KR20210123450A - Balance Management System of Battery Pack Device - Google Patents

Abstract

The present invention provides a balance management system of a battery pack device which can guarantee safety by removing the risk of fire or explosion in advance. According to the present invention, the balance management system of a battery pack device comprises: a battery pack device including M (M≥1) battery modules having N (N≥1) battery cells, a communication module capable of connecting to a designated communication network, and a management module connected to at least one power terminal among +/- pack power terminals for charging or discharging a battery pack, collecting voltage values for (M*N) battery cells from the M battery modules, and performing a procedure for transferring state management information including balance state information including the voltage values for the (M*N) battery cells to a designated management server through the communication module; and a management server receiving the state management information from the battery pack device via a designated communication network to store the state management information in a designated storage medium.

Description

Balance Management System of Battery Pack Device

According to the present invention, a management module provided inside a battery pack having M (M ≥ 1) battery modules interworks with the M battery modules and at the same time manages the balance state inside the battery pack by interworking with a management server through a communication network. to provide a system that

Recently, eco-friendly vehicles such as electric vehicles and hydrogen vehicles are gradually being distributed. Considering the replacement cycle of such eco-friendly vehicles, it is predicted that waste batteries for vehicles will be collected from about 10,000 electric vehicles per year in 2024, 2031 It is predicted that the vehicle waste batteries will be recovered from about 100,000 electric vehicles annually in 2018 (refer to the study on recycling methods and standards for electric vehicle waste batteries (Ministry of Environment, 2018. 10)).

However, in the case of a vehicle battery mounted in an eco-friendly vehicle, the battery manufacturer tests and guarantees the safety of the vehicle battery for a certain period (or a certain mileage) after manufacturing, but after such vehicle battery is recovered and regenerated from an eco-friendly vehicle and/ Or, when the vehicle battery is used in an application field other than an eco-friendly vehicle (for example, use other than the intended use), there is no basis for guaranteeing the safety of the vehicle battery, and there is a risk of fire or explosion at any time. has a problem with

Accordingly, when a vehicle battery recovered after being used in an eco-friendly vehicle is recycled and used and/or a vehicle battery used in an application other than an eco-friendly vehicle is used, the risk of fire or explosion of the vehicle battery is removed in advance. Although safety must be secured, the method proposed so far has a technically difficult problem in preventing or recognizing and removing the risk of fire or explosion in a vehicle battery before a certain percentage or more progresses.

An object of the present invention, M (M ≥ 1) battery modules having N (N ≥ 2) battery cells, a communication module connectable to a designated communication network, and charging of the battery pack It is connected to at least one power terminal among the +/- pack power terminals for or discharge, and collects (M*N) voltage values for each battery cell from the M battery modules, and collects the (M*N) voltage values for each battery cell through the communication module. A battery pack device (Battery Back) including a management module that performs a procedure for transmitting status management information including balance status information including voltage values for each battery cell to a designated management server, and a communication network designated from the battery pack device An object of the present invention is to provide a balance management system for the battery pack device including a management server for receiving the status management information via a designated storage medium.

The balance management system of the battery pack device according to the present invention includes M (M ≥ 1) battery modules having N (N ≥ 2) battery cells, and communication capable of being connected to a designated communication network. It is connected to at least one power terminal among the module and the +/- pack power terminal for charging or discharging the battery pack, and collects voltage values for each (M * N) battery cells from the M battery modules and connects the communication module to the communication module. A battery pack device (Battery Back) including a management module for performing a procedure for transmitting state management information including balance state information including voltage values for each (M * N) battery cells to a designated management server through the and a management server for receiving the state management information from the battery pack device via a designated communication network and storing the received state management information in a designated storage medium.

In the balance management system of the battery pack device according to the present invention, the battery module separates the case of the battery manufacturer and the management module (BMS) of the battery manufacturer from the waste battery pack for a vehicle recovered after being used in an eco-friendly vehicle. It is characterized in that it includes one state.

In the balance management system of the battery pack device according to the present invention, the battery module includes N battery cells manufactured by a battery manufacturer, and includes a state in which the case and the management module of the battery manufacturer are not mounted or removed. characterized.

In the balance management system of the battery pack device according to the present invention, the battery module further includes s temperature sensors provided in the designated s (s≥1) parts, and the management module is configured for the M battery modules. It is characterized in that it further includes a function of collecting (M * s) temperature values for each sensor from the provided s sensors.

In the balance management system for a battery pack device according to the present invention, the management module includes: connection structure information corresponding to a combination of a cell connection structure of N battery cells provided in the battery module and a module connection structure of the M battery modules and reading the voltage values for each (M*N) battery cells based on the connection structure information to calculate a battery pack voltage value.

In the balance management system of the battery pack device according to the present invention, the management module, when collecting the voltage values for each (M*N) battery cells, reduces an error in the voltage values for each (M*N) battery cells For this purpose, it is characterized in that the battery pack voltage value is not measured through at least one power terminal among the +/- pack power terminals.

In the balance management system of the battery pack device according to the present invention, the management module checks whether the battery pack power is being charged or discharged through the +/- pack power terminal, and the battery pack power is discharged without being charged. In the case of an open circuit state that is not in progress, the battery pack voltage value calculated using the voltage values for each (M*N) battery cells collected in the open circuit state is checked, and the battery pack is fully charged and a function of calculating a remaining amount of an open circuit battery pack corresponding to a relationship between a voltage or a fully discharged voltage and the identified battery pack voltage value, wherein the state management information further includes the calculated remaining amount of the battery pack. characterized in that

In the balance management system of the battery pack device according to the present invention, the management module checks whether the battery pack power is being charged or discharged through the +/- pack power terminal, and when the battery pack power is being charged, the The remaining amount of the open circuit battery pack calculated based on the battery pack voltage value calculated through the voltage values for each (M*N) battery cells collected just before charging the battery pack power is checked as the standard remaining amount before charging, and the battery Check the battery pack voltage value calculated by using the voltage values for each (M*N) battery cells collected for each specified period while the pack power is being charged, and the +/− pack while the battery pack power is being charged Check the battery pack current value measured for each designated unit time through at least one power terminal among the power terminals, and a unit designated based on the checked battery pack voltage value and battery pack current value while the battery pack power is being charged It further includes a function of calculating the amount of power charged by the battery pack for each hour, and calculating the remaining amount of the battery pack during charging by accumulating the ratio of the remaining amount corresponding to the amount of charged power of the battery pack calculated for each specified unit time to the checked standard remaining amount before charging, , the state management information is characterized in that it further includes the calculated remaining amount of the battery pack.

In the balance management system of the battery pack device according to the present invention, the management module checks whether the battery pack power is being charged or discharged through the +/- pack power terminal, and when the battery pack power is being discharged, the The remaining amount of the open circuit battery pack calculated on the basis of the battery pack voltage value calculated through the voltage values for each (M*N) battery cells collected immediately before discharging the battery pack power is checked as the reference remaining amount before discharging, and the battery Check the battery pack voltage value calculated by using the voltage values for each (M*N) battery cells collected for each specified period while the pack power is being discharged, and the +/− pack while the battery pack power is being discharged Check the battery pack current value measured for each designated unit time through at least one power terminal among the power terminals, and in a state in which the battery pack power is being discharged, a unit designated based on the checked battery pack voltage value and battery pack current value It further includes a function of calculating the amount of discharged power of the battery pack for each time, and calculating the remaining amount of the battery pack during discharging by cumulatively subtracting the ratio of the remaining amount corresponding to the amount of discharged power of the battery pack calculated for each specified unit time from the confirmed reference remaining amount before discharging, , the state management information is characterized in that it further includes the calculated remaining amount of the battery pack.

In the balance management system of the battery pack device according to the present invention, the communication module is characterized in that it comprises a wireless communication module for communicating with a designated management server via a designated wireless communication network.

In the balance management system of the battery pack device according to the present invention, the communication module is characterized in that it comprises a wired communication module for communicating with a specified management server via a specified wired communication network.

In the balance management system of the battery pack device according to the present invention, the communication module is characterized in that it comprises a short-range wireless communication module for communicating with the designated management server via the designated short-range wireless communication.

In the balance management system of the battery pack device according to the present invention, it is characterized in that it further comprises a housing for housing the battery pack configuration including the M number of battery modules and the management module.

In the balance management system of the battery pack device according to the present invention, the management module manages the voltage balance state for each (M*N) battery cells by using the collected voltage values for each (M*N) battery cells. It is characterized in that it further comprises a function to

In the balance management system of the battery pack device according to the present invention, the management module senses s temperature values through s temperature sensors provided in s (s≥1) designated portions of the M battery modules. In the case of collection, it further comprises a function of managing the temperature balance state for each (M*s) sensor by using the temperature value for each (M*s) sensor collected from the s sensor for each M battery module. characterized.

In the balance management system of the battery pack device according to the present invention, the management module is configured to collect (M * N) voltage values for each battery cell collected while charging the battery pack power through the +/- pack power terminal. Based on the (M * N) battery cells, a voltage difference during charging between battery cells is calculated, and a balance check is performed to determine whether the calculated voltage difference between the battery cells during charging matches a preset effective balance range during charging. and a function of blocking power charging using the pack power terminal when the voltage difference during charging between the battery cells does not match the effective balance range during charging.

In the balance management system of the battery pack device according to the present invention, the management module, when the voltage difference during charging between the battery cells does not match the effective balance range during charging, charging between the battery cells through the communication module and a function of performing a procedure for transmitting state management information including balance state information corresponding to a state in which the voltage difference does not match the effective balance range during charging to a designated management server.

In the balance management system of the battery pack device according to the present invention, the management module, when the voltage difference between the battery cells during charging matches the effective balance range during charging, the calculated battery pack voltage value is preset charging completion It is characterized in that it comprises a function of maintaining the power charge using the pack power terminal until the voltage is reached.

In the balance management system of the battery pack device according to the present invention, the management module, when the voltage difference during charging between the battery cells matches the effective balance range during charging, the voltage during charging between the battery cells through the communication module The difference is characterized in that it comprises a function of performing a procedure for transmitting the state management information including the balance state information corresponding to the state matched to the effective balance range during the charging to a designated management server.

In the balance management system of the battery pack device according to the present invention, the management module checks whether the battery pack power is switched from the charging state to the open circuit state through the +/- pack power terminal, and the battery pack power is When the charging state is switched to the open circuit state, the (M * N) battery cells are charged between the battery cells based on the voltage values for each (M * N) battery cells collected in the switched open circuit state. After calculating the voltage difference, a balance check is performed to determine whether the calculated voltage difference after charging between the battery cells matches a preset effective balance range after charging, and the voltage difference after charging between the battery cells is the effective balance after charging If it does not match the range, it is assigned to i(1≤i<(N*M)) battery cells outside the effective balance range after charging based on the lowest voltage value among the voltage values for each (M*N) battery cells. It characterized in that it further comprises a function of balancing the voltage values of the i battery cells within an effective balance range after charging based on the lowest voltage value by applying a load.

In the balance management system of the battery pack device according to the present invention, the management module is configured to: After charging between the battery cells through the communication module, when the voltage difference after charging between the battery cells does not match the effective balance range after charging and a function of performing a procedure for transmitting state management information including balance state information corresponding to a state in which the voltage difference does not match the effective balance range after charging to a designated management server.

In the balance management system of the battery pack device according to the present invention, the management module, when the difference in voltage after charging between the battery cells matches the effective balance range after charging, the voltage after charging between the battery cells through the communication module The difference is characterized in that it comprises a function of performing a procedure for transmitting the state management information including the balance state information corresponding to the state matched to the effective balance range after the charging to a designated management server.

In the balance management system of the battery pack device according to the present invention, the management module, when balancing the voltage values of i battery cells out of the effective balance range after the charging, the voltage values of the i battery cells through the communication module It is characterized in that it comprises a function of performing a procedure for delivering the state management information including the balance state information corresponding to the balanced state to a designated management server.

In the balance management system of the battery pack device according to the present invention, the management module is based on the temperature value for each (M*s) sensor collected while charging the battery pack power through the +/- pack power terminal. to calculate the temperature difference during charging between the (M*s) sensors and perform a balance check to determine whether the calculated temperature difference during charging between the sensors matches a preset temperature balance range during charging, and charging between the sensors and a function of blocking power charging using the pack power terminal when the temperature difference does not match the temperature balance range during charging.

In the balance management system of the battery pack device according to the present invention, the management module, when the temperature difference during charging between the sensors does not match the temperature balance range during charging, the temperature difference between the sensors during charging through the communication module is characterized in that it comprises a function of performing a procedure for transmitting the state management information including the balance state information corresponding to the state that does not match the temperature balance range during the charging to a designated management server.

In the balance management system of the battery pack device according to the present invention, the management module, when the temperature difference between the sensors during charging matches the temperature balance range during charging, the calculated battery pack voltage value is a preset charging completion voltage It is characterized in that it comprises a function of maintaining the power charge using the pack power terminal until it is reached.

In the balance management system of the battery pack device according to the present invention, the management module, when the temperature difference during charging between the sensors matches the temperature balance range during charging, the temperature difference between the sensors during charging through the communication module and a function of performing a procedure for transmitting state management information including balance state information corresponding to a state matched to a temperature balance range during charging to a designated management server.

In the balance management system of the battery pack device according to the present invention, the management module checks whether the battery pack power is switched from the charging state to the open circuit state through the +/- pack power terminal, and the battery pack power is When the charging state is switched from the charging state to the open circuit state, the temperature after charging between the sensors for the (M*s) temperature sensors based on the temperature values for each (M*s) sensors collected in the switched open circuit state Calculating the difference, performing a balance check to determine whether the calculated temperature difference after charging between the sensors matches a preset temperature balance range after charging, and the temperature difference after charging between the sensors does not match the post-charging temperature balance range If not, performing a procedure for delivering state management information including balance state information corresponding to a state in which the temperature difference after charging between the sensors does not match the temperature balance range after charging through the communication module to a designated management server It is characterized in that it comprises a function.

In the balance management system of the battery pack device according to the present invention, the management module, when the temperature difference after charging between the sensors matches the temperature balance range after charging, the temperature difference between the sensors after charging through the communication module It characterized in that it comprises a function of performing a procedure for transmitting the state management information including the balance state information corresponding to the state matched to the temperature balance range after the charging to a designated management server.

In the balance management system of the battery pack device according to the present invention, the management module is configured to collect (M*N) voltage values for each battery cell collected while discharging the battery pack power through the +/- pack power terminal. Based on the (M*N) battery cells, a balance test is performed to calculate the voltage difference during discharging between battery cells, and determine whether the calculated voltage difference during discharging between the battery cells matches a preset effective balance range during discharging. and a function of reducing or blocking power discharge using the pack power terminal at a preset rate when the voltage difference during discharging between the battery cells does not match the effective balance range during discharging. .

In the balance management system for a battery pack device according to the present invention, the management module is configured to: when a voltage difference during discharging between the battery cells does not match an effective balance range during discharging, the management module is configured to perform discharging between the battery cells through the communication module and a function of performing a procedure for transmitting state management information including balance state information corresponding to a state in which the voltage difference does not match the effective balance range during the discharging to a designated management server.

In the balance management system of the battery pack device according to the present invention, the management module, when the voltage difference during discharging between the battery cells matches the effective balance range during discharging, the calculated battery pack voltage value is a preset discharge completion It is characterized in that it comprises a function of maintaining the power discharge using the pack power supply terminal until the voltage is reached.

In the balance management system for a battery pack device according to the present invention, the management module is configured to: when a voltage difference during discharging between the battery cells matches an effective balance range during discharging, the voltage during discharging between the battery cells through the communication module and a function of performing a procedure for delivering state management information including balance state information corresponding to a state in which the difference matches the effective balance range during the discharge to a designated management server.

In the balance management system of the battery pack device according to the present invention, the management module checks whether the battery pack power is switched from the discharging state to the open circuit state through the +/- pack power terminal, and the battery pack power supply is When the discharging state is switched to the open circuit state, the (M * N) battery cells are discharged between the battery cells based on the voltage values for each (M * N) battery cells collected in the switched open circuit state. After calculating the voltage difference, a balance check is performed to determine whether the calculated voltage difference after discharging between the battery cells matches a preset effective balance range after discharging, and the voltage difference after discharging between the battery cells is the effective balance after discharging If it does not match the range, it is assigned to j (1≤j<(N*M)) battery cells outside the effective balance range after discharging based on the lowest voltage value among the voltage values for each (M*N) battery cells. It characterized in that it further comprises a function of applying a load and balancing the voltage values of the j battery cells within an effective balance range after discharging based on the lowest voltage value.

In the balance management system of the battery pack device according to the present invention, the management module is configured to: After discharging between the battery cells through the communication module, when the voltage difference after discharging between the battery cells does not match the effective balance range after discharging and a function of performing a procedure for transmitting state management information including balance state information corresponding to a state in which the voltage difference does not match the effective balance range after the discharge to a designated management server.

In the balance management system for a battery pack device according to the present invention, the management module is configured to: When the voltage difference after discharging between the battery cells matches the effective balance range after discharging, the voltage after discharging between the battery cells through the communication module and a function of performing a procedure for transmitting state management information including balance state information corresponding to a state in which the difference is matched to the effective balance range after the discharge to a designated management server.

In the balance management system of the battery pack device according to the present invention, the management module, when balancing the voltage values of j battery cells out of the effective balance range after the discharge, the j battery cell voltage values through the communication module It is characterized in that it comprises a function of performing a procedure for delivering the state management information including the balance state information corresponding to the balanced state to a designated management server.

In the balance management system of the battery pack device according to the present invention, the management module is based on the temperature value for each (M*s) sensor collected while discharging the battery pack power through the +/- pack power terminal. calculates the temperature difference during discharge between the (M*s) sensors, performs a balance check to determine whether the calculated temperature difference during discharge matches a preset temperature balance range during discharge, and discharges between the sensors and a function of reducing or blocking power discharge using the pack power terminal at a preset rate when the temperature difference does not match the temperature balance range during discharging.

In the balance management system of the battery pack device according to the present invention, the management module, when the temperature difference during discharging between the sensors does not match the temperature balance range during discharging, the temperature difference during discharging between the sensors through the communication module is characterized in that it comprises a function of performing a procedure for transmitting state management information including balance state information corresponding to a state not matching the temperature balance range during the discharge to a designated management server.

In the balance management system of the battery pack device according to the present invention, the management module, when the temperature difference during discharging between the sensors matches the temperature balance range during discharging, the calculated battery pack voltage value is a preset discharge completion voltage It is characterized in that it comprises a function of maintaining the power discharge using the pack power supply terminal until it is reached.

In the balance management system of the battery pack device according to the present invention, the management module, when the temperature difference during the discharging between the sensors matches the temperature balance range during the discharging, the temperature difference during the discharging between the sensors through the communication module and a function of performing a procedure for transmitting state management information including balance state information corresponding to a state matched to a temperature balance range during the discharging to a designated management server.

In the balance management system of the battery pack device according to the present invention, the management module checks whether the battery pack power is switched from the discharging state to the open circuit state through the +/- pack power terminal, and the battery pack power supply is In the case of switching from the discharging state to the open circuit state, the voltage after discharging between the sensors for the (M*s) temperature sensors based on the temperature values for each (M*s) sensors collected in the switched open circuit state Calculating the difference, performing a balance check to determine whether the calculated difference in voltage after discharging between the sensors matches a preset temperature balance range after discharging, and the voltage difference after discharging between the sensors does not match the post-discharging temperature balance range If not, performing a procedure for delivering state management information including balance state information corresponding to a state in which the voltage difference after discharging between the sensors does not match the temperature balance range after discharging to a designated management server through the communication module It is characterized in that it comprises a function.

In the balance management system of the battery pack device according to the present invention, the management module, when the voltage difference after discharging between the sensors matches the temperature balance range after discharging, the voltage difference after discharging between the sensors through the communication module and a function of performing a procedure for transmitting state management information including balance state information corresponding to a state matched to a temperature balance range after the discharge to a designated management server.

According to the present invention, a management module provided inside a battery pack having M (M ≥ 1) battery modules interlocks with M battery modules for each (M * N) battery cells provided in the M battery modules. By managing the balance state and/or the temperature balance state for each M battery module, even when the battery pack is recovered and regenerated after being used in an eco-friendly vehicle or used in an application field other than the prescribed purpose, fire or fire or damage through the balance state management There is an advantage in providing a battery pack device that can guarantee safety by removing the risk of explosion in advance.

1 is a diagram illustrating the configuration of a battery pack device 100 according to an embodiment of the present invention.
FIG. 2 is a diagram illustrating a process in which the management module 150 collects information from the M battery modules 105 and registers the information in the management server 195 according to an embodiment of the present invention.
3 is a diagram illustrating a process of managing the balance of the battery cells 110 during charging of the battery pack device 100 according to an embodiment of the present invention.
4 is a diagram illustrating a process of managing a temperature balance during charging of the battery pack device 100 according to an embodiment of the present invention.
5 is a diagram illustrating a process of managing the balance of the battery cells 110 after the battery pack device 100 is charged according to an embodiment of the present invention.
6 is a diagram illustrating a process of managing the temperature balance after charging of the battery pack device 100 according to an embodiment of the present invention.
7 is a diagram illustrating a process of managing the balance of the battery cells 110 during discharging of the battery pack device 100 according to an embodiment of the present invention.
8 is a diagram illustrating a process of managing a temperature balance during discharging of the battery pack device 100 according to an embodiment of the present invention.
9 is a diagram illustrating a process of managing the balance of the battery cells 110 after the battery pack device 100 is discharged according to an embodiment of the present invention.
10 is a diagram illustrating a process of managing the temperature balance after discharging of the battery pack device 100 according to an embodiment of the present invention.

Hereinafter, the principle of operation of the preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings and description. However, the drawings shown below and the following description are for preferred implementation methods among various methods for effectively explaining the features of the present invention, and the present invention is not limited only to the following drawings and description.

That is, the following embodiment corresponds to an embodiment of a preferred union type among numerous embodiments of the present invention, and an embodiment in which a specific configuration (or step) is omitted in the following embodiment, or a specific configuration (or step) An embodiment in which the implemented function is divided into a specific configuration (or step), or an embodiment in which the function implemented in two or more configurations (or step) is integrated into any one configuration (or step), of a specific configuration (or step) Embodiments in which the order of operation is replaced, etc. are clearly stated to be within the scope of the present invention, even if not separately mentioned in the following embodiments. Therefore, it is clearly specified that various embodiments corresponding to a subset or a complement can be divided retroactively from the filing date of the present invention based on the following examples.

In addition, in the following description of the present invention, if it is determined that a detailed description of a related well-known function or configuration may unnecessarily obscure the gist of the present invention, the detailed description thereof will be omitted. And the terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to the intention or custom of the user or operator. Therefore, the definition should be made based on the content throughout the present invention.

As a result, the technical spirit of the present invention is determined by the claims, and the following examples are one means for efficiently explaining the technical spirit of the present invention to those of ordinary skill in the art to which the present invention belongs. only

1 is a diagram illustrating the configuration of a battery pack device 100 according to an embodiment of the present invention.

In more detail, FIG. 1 shows (M * N) batteries from M (M ≥ 1) battery modules 105 (Battery Module) having N (N ≥ 2) battery cells 110 (Battery Cell). A battery pack having a hierarchical management module 150 that collects voltage values for each cell 110 and calculates a battery pack voltage value using the collected voltage values for each (M*N) battery cells 110 . (Battery Back) To provide a device, those of ordinary skill in the art to which the present invention pertains, refer to and/or modify FIG. 1 and various implementation methods for the configuration of the battery pack device 100 ( For example, some components are omitted, subdivided, or combined implementation method) may be inferred, but the present invention is made including all implementation methods inferred above, and only the implementation method shown in FIG. The characteristics are not limited.

Referring to FIG. 1 , the battery pack device 100 according to the present invention includes M (M ≥ 1) battery modules 105 including N (N ≥ 2) battery cells 110, and the battery It is connected to at least one power terminal among the +/- pack power terminals 140 for charging or discharging the pack and collects voltage values for each (M*N) battery cells 110 from the M battery modules 105 . and a management module 150 for calculating a battery pack voltage value by using the collected (M*N) voltage values for each battery cell 110 hierarchically.

The battery module 105 includes N battery cells 110 connected in a specified cell connection structure, and includes a frame 115 for fixing the N battery cells 110 in a specified arrangement structure. Meanwhile, the battery module 105 is charged with the battery module 105 having N cell terminals 120 connected to the N battery cells 110 and N battery cells 110 connected in a specified cell connection structure. or +/− module power terminal 125 for discharging.

According to the first embodiment of the battery module 105, the battery module 105 is used in an eco-friendly vehicle (eg, an electric vehicle, a hydrogen vehicle, etc.) for each reason (eg, inspection, repair, expiration of period, accident). , scrap car, etc.), the battery manufacturer's case installed by the battery manufacturer that manufactured the waste battery pack and the battery manufacturer's management module 150 (Battery Management System; BMS) are separated may include.

Meanwhile, according to the second embodiment of the battery module 105 , the battery module 105 includes N battery cells 110 manufactured by a battery manufacturer, and includes the case and the management module 150 of the battery manufacturer. It may include a state in which the case and the management module 150 not mounted or mounted by the battery manufacturer are removed.

On the other hand, according to the third embodiment of the battery module 105, the battery module 105 may be implemented in a form in which the first to second embodiments are at least partially combined, and the present invention also has the right to this embodiment It is clearly stated that it is included in the scope.

The battery cell 110 is a unit of a minimum unit for charging power in a battery, and the battery module 105 includes a plurality of (=N) battery cells 110 . The N battery cells 110 maintain a fixed arrangement in a designated arrangement structure through the frame 115 in a state connected by a designated cell connection structure.

According to the embodiment of the present invention, the cell connection structure for connecting the N battery cells 110 includes a structure for connecting the N battery cells 110 in series, a structure for connecting the N battery cells 110 in parallel, and N A structure in which some of the battery cells 110 are connected in series and a combination of the series-connected battery cells 110 are connected in parallel, some of the N battery cells 110 are connected in parallel and a combination of the battery cells 110 connected in parallel is connected in series At least one of a structure in which some of the N battery cells 110 are connected in series and some of the remaining parts are connected in parallel, and a structure in which some of the N battery cells 110 are connected in parallel and the remaining parts are connected in series. may include

Meanwhile, according to the embodiment of the present invention, the battery module 105 may further include a ground terminal corresponding to the ground (GND) of the N cell terminals 120 .

The management module 150 is connected to the N number of battery cells 110 provided in the battery module 105 through the N cell terminals 120 provided in the battery module 105, and a cell voltage collection unit 154 for collecting voltage values for each (M*N) battery cells 110 from the M battery modules 105 through the N cell terminals 120 .

The cell voltage collection unit 154 collects voltage values for each N battery cells 110 for each specified period from the M battery modules 105, thereby collecting the voltage values for each of the N battery cells 110 from the M battery modules 105 for each specified period (M). *N) voltage values for each battery cell 110 may be collected. For example, the cell voltage collecting unit 154 may collect N data from the M battery modules 105 for each period of at least one of 1 second, 1.5 second, 2 second, 2.5 second, and 3 second. By collecting voltage values for each battery cell 110 , voltage values for each (M*N) battery cells 110 can be collected from the M battery modules 105 for each designated period.

According to the embodiment of the present invention, when a plurality of battery modules 105 are included, the module connection structure for connecting the M number of battery modules 105 is a structure for connecting the M number of battery modules 105 in series, and M number of battery modules 105 are connected in series. A structure in which the battery modules 105 are connected in parallel, a structure in which some of the M battery modules 105 are connected in series and a combination of the series connected battery modules 105 are connected in parallel, and some of the M battery modules 105 are connected in parallel and a structure in which a combination of the battery modules 105 connected in parallel is connected in series, a structure in which some of the M battery modules 105 are connected in series and some of the remaining parts are connected in parallel, and some of the M battery modules 105 are connected in parallel and the rest It may include at least one structure among structures for connecting parts in series.

According to the implementation method of the present invention, the battery module 105 includes s temperature sensors 130 provided in designated s (s≥1) parts, and corresponding to the s temperature sensors 130 . It may further include s number of sensor terminals 135 , in this case, the management module 150 is provided in the battery module 105 through the s sensor terminals 135 provided in the battery module 105 . It is connected to the temperature sensors 130 and collects voltage values for each (M * s) battery cells 110 from the M battery modules 105 through the s cell terminals 120 for each battery module 105. It further includes a temperature collecting unit 158 .

The temperature collecting unit 158 collects the temperature values for each S sensors for each specified period from the M battery modules 105, thereby collecting (M*s) sensors for each specified period from the M battery modules 105 . You can collect star temperature values. For example, the temperature collecting unit 158 may include S sensors for each period of at least one of 1 second, 1.5 second, 2 second, 2.5 second, and 3 seconds from the M battery modules 105 . By collecting the star temperature values, it is possible to collect (M*s) temperature values for each sensor from the M battery modules 105 for each designated period.

On the other hand, the management module 150 collects the voltage values for each (M*N) battery cells 110 from the M battery modules 105 through the cell voltage collection unit 154, and the collected (M A pack voltage calculator 162 for calculating a battery pack voltage value by using the voltage values for each *N battery cells 110 is included.

The pack voltage calculator 162 includes a cell connection structure of the N battery cells 110 provided in the battery module 105 and a module connection structure of the M battery modules 105 (eg, series and/or parallel, etc.). ) is stored, and voltage values for each (M*N) battery cells 110 are read based on the connection structure information to calculate a battery pack voltage value.

Meanwhile, according to the applicant's experiment, at least one power terminal among the +/− pack power terminals 140 while collecting voltage values for each (M*N) battery cells 110 from the M battery modules 105 . When measuring the battery pack voltage value through Alternatively, an error may occur in voltage values for each of the (M*N) battery cells 110 as the cell terminal 120 and the connected ground terminal) are shared. Accordingly, the present invention provides a battery pack voltage value through at least one of the +/- pack power terminals 140 in order to reduce or block even a minute error in the voltage value for each of the (M * N) battery cells 110 . It is preferable not to measure On the other hand, when the (M*N) battery cells 110 are equipped with a component for blocking or filtering errors during voltage value measurement (however, additional costs may be incurred), the (M*N) battery cells 110 ) In addition to calculating the battery pack voltage value by reading the respective voltage value, it is possible to measure the battery pack voltage value through at least one power terminal among the +/− pack power terminals 140 , whereby the present invention This is not limited.

Meanwhile, the management module 150 may include a pack current measuring unit 166 that measures a battery pack current value through at least one of the +/- pack power terminals 140 .

Meanwhile, the management module 150 controls the (M*N) battery cells 110 based on the voltage values for each (M*N) battery cells 110 collected through the cell voltage collection unit 154 . and a pack remaining amount calculating unit 170 that calculates a remaining battery pack amount corresponding to the charged remaining power.

According to the first embodiment of calculating the remaining battery pack amount, the pack remaining amount calculating unit 170 checks whether the battery pack power is being charged or discharged through the +/− pack power terminal 140 , if the battery When the pack power is in an open circuit state that is neither charging nor discharging, the pack remaining amount calculating unit 170 includes the cell connection structure of the N battery cells 110 provided in the battery module 105 and A battery calculated by reading the voltage values for each (M*N) battery cells 110 collected in the open circuit state based on the connection structure information corresponding to the combination of the module connection structures of the M battery modules 105 . Check the pack voltage value. Meanwhile, the pack remaining amount calculating unit 170 calculates the relationship between the fully charged voltage and the fully discharged voltage of the battery pack and the battery pack voltage value calculated using the voltage values for each (M*N) battery cells 110 . and a residual amount calculation relational expression (or relational table) for calculating the remaining amount of the open circuit battery pack based on the basis, and voltage values for each (M*N) battery cells 110 based on the remaining amount calculating relational (or relational table). By reading the battery pack voltage value calculated using , the remaining amount of the open circuit battery pack corresponding to the relationship between the fully charged voltage and the fully discharged voltage of the battery pack and the confirmed battery pack voltage value may be calculated.

Meanwhile, according to the second embodiment of calculating the remaining amount of the battery pack, the pack remaining amount calculating unit 170 checks whether the battery pack power is being charged or discharged through the +/- pack power terminal 140 . If the battery pack power is being charged, the pack remaining amount calculating unit 170 connects the cell connection structure of the N battery cells 110 provided in the battery module 105 and the module connection of the M battery modules 105 . Based on the connection structure information corresponding to the combination of structures, calculated based on the battery pack voltage value calculated through the voltage values for each (M*N) battery cells 110 collected just before charging the battery pack power. Check the remaining amount of the open circuit battery pack as the standard level before charging. Meanwhile, the pack remaining amount calculating unit 170 checks the battery pack voltage value calculated by using the voltage value for each (M * N) battery cells 110 collected for each specified period while the battery pack power is being charged, and , while the battery pack power is being charged, the battery pack current value measured for each designated unit time is checked through at least one power terminal among the +/− pack power terminals 140 , and the battery pack power is being charged. calculates the amount of charging power of the battery pack for each designated unit time based on the battery pack voltage value checked for each designated period and the battery pack current value checked for each designated unit time. Meanwhile, the pack remaining amount calculation unit 170 includes a remaining amount ratio calculation relational expression (or relational table) for calculating a remaining amount ratio corresponding to the amount of charged power of the battery pack calculated for each designated unit time, and the remaining amount ratio calculation relational expression (or relational table) ) based on the remaining power ratio corresponding to the battery pack charging power calculated for each unit time, and accumulatively summing the checked remaining power ratio to the checked standard residual power before charging to calculate the remaining battery pack power during charging.

On the other hand, when the battery pack power is switched from the charging state to the open circuit state, the pack remaining amount calculating unit 170 calculates the remaining amount of the battery pack in the open circuit corresponding to the open circuit state based on the first exemplary embodiment. to calculate the remaining battery pack capacity.

Meanwhile, according to the third embodiment of calculating the remaining amount of the battery pack, the pack remaining amount calculating unit 170 checks whether the battery pack power is being charged or discharged through the +/- pack power terminal 140 . If the battery pack power is being discharged, the pack remaining amount calculating unit 170 connects the cell connection structure of the N battery cells 110 provided in the battery module 105 and the module connection of the M battery modules 105 . Based on the connection structure information corresponding to the combination of structures, calculated based on the battery pack voltage value calculated through the voltage value for each (M*N) battery cells 110 collected just before discharging the battery pack power. Check the remaining amount of the open circuit battery pack as the standard level before discharging. On the other hand, the pack remaining amount calculating unit 170 checks the battery pack voltage value calculated by using the voltage value for each (M * N) battery cells 110 collected for each specified period in a state in which the battery pack power is being discharged, and , in a state in which the battery pack power is being discharged, the battery pack current value measured for each designated unit time is checked through at least one power terminal among the +/− pack power terminals 140 , and the battery pack power is being discharged. calculates the amount of discharging power of the battery pack for each designated unit time based on the identified battery pack voltage value and the battery pack current value. Meanwhile, the pack remaining amount calculation unit 170 includes a remaining amount ratio calculation relational expression (or relational table) for calculating a remaining amount ratio corresponding to the amount of discharged power of the battery pack calculated for each designated unit time, and the remaining amount ratio calculation relational expression (or relational table) ) based on the remaining power ratio corresponding to the amount of discharged power of the battery pack calculated for each designated unit time, and accumulatively summing the checked residual power ratio to the confirmed standard residual amount before discharging to calculate the remaining amount of the battery pack during discharging.

On the other hand, when the battery pack power is discharged from the state of discharging to the open circuit state, the pack remaining amount calculating unit 170 calculates the remaining amount of the battery pack in the open circuit corresponding to the open circuit state based on the first exemplary embodiment. to calculate the remaining battery pack capacity.

Referring to FIG. 1 , the battery pack device 100 is connectable to a designated communication network and includes a communication module 145 for communicating with a designated management server 195 via a designated communication path. On the other hand, the management module 150, a procedure for transmitting the state management information including the balance state information including the voltage values for each of the collected (M * N) battery cells 110 to the designated management server 195 . It includes a communication processing unit 182 that performs the.

The communication module 145 is a generic name of a configuration that connects communication via a designated communication path between the management module 150 and the designated management server 195, and is provided as an internal component of the management module 150 or and/or may be provided in the form of a separate module interworking with the management module 150 .

According to the first embodiment of the communication module 145, the communication module 145 is a wireless communication module 145 for communicating with the specified management server 195 via a specified wireless communication network (eg, mobile communication network, etc.) may include. In this case, the management module 150 may communicate with the management server 195 via a wireless communication network designated through the wireless communication module 145 .

Meanwhile, according to the second embodiment of the communication module 145, the communication module 145 is a wired communication module 145 for communicating with the specified management server 195 via a specified wired communication network (eg, wired Internet, etc.). ) may be included. In this case, the management module 150 may communicate with the management server 195 via a designated wired communication network through the wired communication module 145 .

Meanwhile, according to the third embodiment of the communication module 145, the communication module 145 is configured to communicate with the designated management server 195 via a designated short-range wireless communication (eg, Wi-Fi, Bluetooth, Zigbee, etc.). It may include a wireless communication module 145 . In this case, the management module 150 via a designated communication network through a designated short-distance wireless communication (eg, via a wired Internet via a wireless LAN between the Wi-Fi-based short-range wireless communication module 145 and a Wi-Fi-based wireless AP, or Bluetooth Through Bluetooth communication between the base short-range wireless communication module 145 and the short-range Bluetooth-enabled device, the Bluetooth-enabled device may communicate with the management server 195 via a wireless communication network or a wireless communication network).

On the other hand, according to the fourth embodiment of the communication module 145 , when a communication terminal for data communication is included in the battery pack terminal including the pack power terminal 140 , the communication module 145 is the battery pack Through a communication terminal included in the terminal unit, the device including the battery pack device 100 may communicate with the management server 195 via a wireless communication network or a wireless communication network to which the device is connected.

On the other hand, according to the fifth embodiment of the communication module 145, the communication module 145 may be implemented in a form in which at least two or more of the first to fourth embodiments are at least partially combined. It is clear that these embodiments are also included in the scope of the rights.

On the other hand, when voltage values for each (M*N) battery cells 110 are collected through the cell voltage collection unit 154 , the communication processing unit 182 is configured for each designated information registration period and/or balance state change or abnormality. According to the occurrence, a procedure for transmitting the state management information including the balance state information including the voltage values for each (M*N) battery cells 110 to the designated management server 195 may be performed. Meanwhile, when temperature values for each (M*s) sensors are collected through the temperature collecting unit 158 , the balance state information may further include the collected temperature values for each (M*s) sensors. Meanwhile, when the remaining amount of the battery pack is calculated through the pack remaining amount calculating unit 170 , the state management information may further include the remaining amount of the battery pack.

Referring to FIG. 1 , the battery pack device 100 includes a housing unit 190 housing a battery pack configuration including the M battery modules 105 and a management module 150 .

The housing unit 190 is a device on which the battery pack device 100 is mounted or provided (eg, an electric mobile device using the power of the battery pack device 100 as a power power source and/or an Energy Storage System (ESS), etc.). ), including a housing structure that can be mounted on Meanwhile, the housing unit 190 may further include a structure for discharging (or discharging) heat generated inside to the outside. Alternatively, the housing unit 190 is the battery pack device 100 when the waterproof function of the battery pack device 100 is not considered (eg, when the battery pack device 100 is mounted in an ESS, etc.) of the battery pack device 100 . It may further include a structure for circulating air between the inside and outside.

Referring to FIG. 1 , the management module 150 uses (M*N) voltage values for each (M*N) battery cells 110 collected from the M battery modules 105 to (M*N) battery cells ( 110) A management server designated for state management information including a cell balance management unit 174 that manages each voltage balance state, and balance state information including voltage values for each (M*N) battery cells 110 collected and a communication processing unit 182 that performs a procedure for forwarding to 195 .

According to the first embodiment of managing the voltage balance for each (M*N) battery cells 110 , the cell balance management unit 174 charges the battery pack power through the +/- pack power terminal 140 . In the medium state, it is possible to manage the voltage balance state for each (M*N) battery cells 110 .

The cell balance management unit 174 checks whether the battery pack power is being charged through the +/- pack power terminal 140, and when the battery pack power is being charged, the +/- pack power terminal 140 ) between the battery cells 110 for the (M * N) battery cells 110 based on the voltage values for each (M * N) battery cells 110 collected while charging the battery pack power through Calculate the voltage difference during charging.

According to the first embodiment of calculating the voltage difference during charging between the battery cells 110 , the cell balance management unit 174 is a voltage value for each (M*N) battery cells 110 collected in the charging state. The lowest voltage value may be checked, and a voltage difference between the battery cells 110 during charging may be calculated based on the lowest voltage value.

Meanwhile, according to the second embodiment of calculating the voltage difference during charging between the battery cells 110 , the cell balance management unit 174 collects the voltage for each (M*N) battery cells 110 in the charging state. The highest voltage value among the values may be checked, and a voltage difference between the battery cells 110 during charging may be calculated based on the highest voltage value.

Meanwhile, according to the third embodiment of calculating the voltage difference during charging between the battery cells 110 , the cell balance management unit 174 collects the voltage for each (M*N) battery cells 110 in the charging state. A voltage difference during charging between the battery cells 110 may be calculated based on a specified voltage value among the values.

Meanwhile, according to the fourth embodiment of calculating the voltage difference during charging between the battery cells 110 , the cell balance management unit 174 is configured to at least partially combine at least two or more of the first to third embodiments. It can be practiced, and the present invention clearly discloses that these embodiments are also included in the scope of the rights.

Meanwhile, the cell balance management unit 174 performs a balance check to determine whether the calculated voltage difference during charging between the battery cells 110 matches a preset effective balance range during charging. If the voltage difference between the battery cells 110 during charging does not match the effective balance range during charging, the cell balance management unit 174 may block power charging using the pack power terminal 140 .

On the other hand, when the voltage difference during charging between the battery cells 110 does not match the effective balance range during charging, the communication processing unit 182 controls the charging voltage between the battery cells 110 through the designated communication module 145 . A procedure for transmitting state management information including balance state information corresponding to a state in which the difference does not match the effective balance range during charging to the designated management server 195 may be performed. Meanwhile, the management server 195 receives the status management information through a designated communication network and stores and manages it in a designated storage medium.

According to the implementation method of the present invention, the state management information includes unique identification information set not to be overlapped with the battery pack or the management module 150 .

According to the embodiment of the present invention, the balance state information may include voltage values for each of the (M*N) battery cells 110 , and/or the voltage difference between the battery cells 110 during charging is the It may include state identification information for identifying a state that does not match the effective balance range during charging or a state in which the power charging is cut off. Meanwhile, the balance state information may further include date and time information corresponding to a date and time when the voltage difference between the battery cells 110 during charging does not match the effective balance range during charging or when the power charging is cut off.

Meanwhile, according to the embodiment of the present invention, the state management information is based on the battery pack voltage value calculated through the voltage values for each (M*N) battery cells 110 collected in the open circuit state of the battery pack power supply. The open circuit battery pack calculated based on the calculated remaining amount of the open circuit battery pack and the battery pack voltage value calculated through the voltage values for each (M*N) battery cells 110 collected just before charging the battery pack power. The remaining amount of the battery pack during charging calculated by using the battery pack charging power for each unit time based on the remaining amount, and the voltage value for each (M*N) battery cells 110 collected just before discharging the battery pack power. The battery pack may further include a remaining amount of at least one of the remaining amounts of the battery pack during discharging calculated using the amount of discharged power of the battery pack for each unit time based on the remaining amount of the open circuit battery pack calculated based on the battery pack voltage value.

Meanwhile, according to the extended implementation method of the present invention, the state management information includes the battery pack voltage value calculated through the voltage value for each (M*N) battery cells 110 and the +/- pack power supply terminal 140 . may further include at least one of a battery pack current value measured through at least one power terminal of If s temperature values are measured through s temperature sensors 130 provided in s (s≥1) designated portions of the M battery modules 105, the state management information is (M*s) ) temperature sensors 130 may further include temperature values for each (M*s) sensors.

Meanwhile, according to the embodiment of the present invention, the management server 195 checks whether the balance state of each battery pack device 100 matches a preset effective balance range using the battery state information included in the state management information. . If it is confirmed that the balance state is out of the preset effective balance range, the management server 195 preemptively causes the battery pack device 100 out of the balance range to have a problem. A procedure for recovering the battery pack device 100 out of the balance range may be performed.

On the other hand, when the voltage difference during charging between the battery cells 110 matches the effective balance range during charging, the cell balance management unit 174 waits until the calculated battery pack voltage value reaches a preset charging completion voltage. It is preferable to maintain power charging using the pack power terminal 140 .

On the other hand, when the voltage difference during charging between the battery cells 110 matches the effective balance range during charging, the communication processing unit 182 is configured to control the voltage difference between the battery cells 110 during charging through the designated communication module 145 . may perform a procedure for transmitting state management information including balance state information corresponding to a state matched to an effective balance range during charging to the designated management server 195 . Meanwhile, the management server 195 receives the status management information through a designated communication network and stores and manages it in a designated storage medium.

According to the implementation method of the present invention, the state management information includes unique identification information set not to be overlapped with the battery pack or the management module 150 .

According to the embodiment of the present invention, the balance state information may include voltage values for each of the (M*N) battery cells 110 , and/or the voltage difference between the battery cells 110 during charging is the It may include state identification information for identifying a state matched to the effective balance range during charging. Meanwhile, the balance state information includes time information in which a voltage difference between the battery cells 110 during charging matches the effective balance range during charging. may further include.

According to the embodiment of the present invention, the state management information is calculated based on the battery pack voltage value calculated through the voltage value for each (M*N) battery cells 110 collected in the open circuit state of the battery pack power supply. The remaining amount of the open circuit battery pack calculated based on the battery pack voltage value calculated through the voltage value of each (M*N) battery cells 110 collected just before the battery pack power is charged. The remaining amount of the battery pack during charging calculated using the battery pack charging power for each unit time based on The battery pack may further include a remaining amount of at least one of the remaining amounts of the battery pack during discharging calculated using the amount of discharged power of the battery pack for each unit time based on the remaining amount of the open circuit battery pack calculated based on the battery pack voltage value.

Meanwhile, according to the extended implementation method of the present invention, the state management information includes the battery pack voltage value calculated through the voltage value for each (M*N) battery cells 110 and the +/- pack power supply terminal 140 . may further include at least one of a battery pack current value measured through at least one power terminal of If s temperature values are measured through s temperature sensors 130 provided in s (s≥1) designated portions of the M battery modules 105, the state management information is (M*s) It may further include temperature values for each (M*s) sensors measured by the temperature sensors 130 .

Meanwhile, according to the embodiment of the present invention, the management server 195 checks whether the balance state of each battery pack device 100 matches a preset effective balance range using the battery state information included in the state management information. . If it is confirmed that the balance state is out of the preset effective balance range, the management server 195 preemptively causes the battery pack device 100 out of the balance range to have a problem. A procedure for recovering the battery pack device 100 out of the balance range may be performed.

Meanwhile, according to the second embodiment of managing the voltage balance for each (M*N) battery cells 110 , the cell balance management unit 174 supplies battery pack power through the +/- pack power terminal 140 . When the battery pack power is switched to the open circuit state in which the battery pack power is neither charging nor discharging in the charging state, the voltage balance state for each (M*N) battery cells 110 is managed in the open circuit state. can do.

The cell balance management unit 174 checks whether the battery pack power is being switched from a charging state to an open circuit state in which the battery pack power is neither charging nor discharging through the +/- pack power terminal 140, When the battery pack power is switched from the charging state to the open circuit state, the (M * N) A voltage difference between the battery cells 110 and the battery cells 110 after charging is calculated.

According to the first embodiment of calculating the voltage difference after charging between the battery cells 110 , the cell balance management unit 174 is configured for each (M*N) battery cells 110 collected in the switched open circuit state. The lowest voltage value among the voltage values may be checked, and the voltage difference after charging between the battery cells 110 may be calculated based on the lowest voltage value.

Meanwhile, according to the second embodiment of calculating the voltage difference after charging between the battery cells 110 , the cell balance management unit 174 includes (M*N) battery cells 110 collected in the switched open circuit state. The highest voltage value among the respective voltage values may be checked, and the voltage difference after charging between the battery cells 110 may be calculated based on the highest voltage value.

Meanwhile, according to the third embodiment of calculating the voltage difference after charging between the battery cells 110 , the cell balance management unit 174 includes (M*N) battery cells 110 collected in the switched open circuit state. A voltage difference after charging between the battery cells 110 may be calculated based on a specified voltage value among the respective voltage values.

Meanwhile, according to the fourth embodiment of calculating the voltage difference after charging between the battery cells 110 , the cell balance management unit 174 is configured to at least partially combine at least two or more of the first to third embodiments. It can be practiced, and the present invention clearly discloses that these embodiments are also included in the scope of the rights.

Meanwhile, the cell balance management unit 174 performs a balance check to determine whether the calculated voltage difference between the battery cells 110 after charging matches a preset effective balance range after charging. If the voltage difference after charging between the battery cells 110 does not match the effective balance range after charging, the cell balance management unit 174 is the lowest among the voltage values for each of the (M*N) battery cells 110 . Based on the voltage value, a specified load (eg, resistor, etc.) is applied to the i (1≤i<(N*M)) battery cells 110 that are out of the effective balance range after charging the i battery cells 110 . A voltage value may be balanced within an effective balance range after the charging based on the lowest voltage value. For example, when the rated voltage of each battery cell 110 is 3.7V, the cell balance management unit 174 may balance the voltage values of the i battery cells 110 within 30mV based on the lowest voltage value. .

On the other hand, when the difference in voltage after charging between the battery cells 110 does not match the effective balance range after charging, the communication processing unit 182 may charge the voltage between the battery cells 110 through the designated communication module 145 . A procedure for transmitting the state management information including the balance state information corresponding to the state in which the difference does not match the effective balance range after charging to the designated management server 195 may be performed. Meanwhile, the management server 195 receives the status management information through a designated communication network and stores and manages it in a designated storage medium.

According to the implementation method of the present invention, the state management information includes unique identification information set not to be overlapped with the battery pack or the management module 150 .

According to the embodiment of the present invention, the balance state information may include voltage values for each of the (M*N) battery cells 110 , and/or the voltage difference between the battery cells 110 after charging is the It may include state identification information for identifying a state that does not match the effective balance range after charging. Meanwhile, the balance state information may further include time information confirming that the voltage difference between the battery cells 110 after charging does not match the effective balance range after charging.

Meanwhile, according to the embodiment of the present invention, the state management information is based on the battery pack voltage value calculated through the voltage values for each (M*N) battery cells 110 collected in the open circuit state of the battery pack power supply. The open circuit battery pack calculated based on the calculated remaining amount of the open circuit battery pack and the battery pack voltage value calculated through the voltage values for each (M*N) battery cells 110 collected just before charging the battery pack power. The remaining amount of the battery pack during charging calculated by using the battery pack charging power for each unit time based on the remaining amount, and the voltage value for each (M*N) battery cells 110 collected just before discharging the battery pack power. The battery pack may further include a remaining amount of at least one of the remaining amounts of the battery pack during discharging calculated using the amount of discharged power of the battery pack for each unit time based on the remaining amount of the open circuit battery pack calculated based on the battery pack voltage value.

Meanwhile, according to the extended implementation method of the present invention, the state management information includes the battery pack voltage value calculated through the voltage value for each (M*N) battery cells 110 and the +/- pack power supply terminal 140 . may further include at least one of a battery pack current value measured through at least one power terminal of If s temperature values are measured through s temperature sensors 130 provided in s (s≥1) designated portions of the M battery modules 105, the state management information is (M*s) It may further include temperature values for each (M*s) sensors measured by the temperature sensors 130 .

Meanwhile, according to the embodiment of the present invention, the management server 195 checks whether the balance state of each battery pack device 100 matches a preset effective balance range using the battery state information included in the state management information. . If it is confirmed that the balance state is out of the preset effective balance range, the management server 195 preemptively causes the battery pack device 100 out of the balance range to have a problem. A procedure for recovering the battery pack device 100 out of the balance range may be performed.

On the other hand, when the voltage difference after charging between the battery cells 110 matches the effective balance range after charging, the communication processing unit 182 is the voltage difference between the battery cells 110 after charging through the designated communication module 145 . may perform a procedure for transmitting the state management information including the balance state information corresponding to the state matched to the effective balance range after the charging to the designated management server 195 . Meanwhile, the management server 195 receives the status management information through a designated communication network and stores and manages it in a designated storage medium.

According to the implementation method of the present invention, the state management information includes unique identification information set not to be overlapped with the battery pack or the management module 150 .

According to the embodiment of the present invention, the balance state information may include voltage values for each of the (M*N) battery cells 110 , and/or the voltage difference between the battery cells 110 after charging is the It may include state identification information for identifying a state matched to the effective balance range after charging. Meanwhile, the balance state information may further include time information confirming that the voltage difference between the battery cells 110 after charging matches the effective balance range after charging.

Meanwhile, according to the embodiment of the present invention, the state management information is based on the battery pack voltage value calculated through the voltage values for each (M*N) battery cells 110 collected in the open circuit state of the battery pack power supply. The open circuit battery pack calculated based on the calculated remaining amount of the open circuit battery pack and the battery pack voltage value calculated through the voltage values for each (M*N) battery cells 110 collected just before charging the battery pack power. The remaining amount of the battery pack during charging calculated by using the battery pack charging power for each unit time based on the remaining amount, and the voltage value for each (M*N) battery cells 110 collected just before discharging the battery pack power. The battery pack may further include a remaining amount of at least one of the remaining amounts of the battery pack during discharging calculated using the amount of discharged power of the battery pack for each unit time based on the remaining amount of the open circuit battery pack calculated based on the battery pack voltage value.

Meanwhile, according to the extended implementation method of the present invention, the state management information includes the battery pack voltage value calculated through the voltage value for each (M*N) battery cells 110 and the +/- pack power supply terminal 140 . may further include at least one of a battery pack current value measured through at least one power terminal of If s temperature values are measured through s temperature sensors 130 provided in s (s≥1) designated portions of the M battery modules 105, the state management information is (M*s) It may further include temperature values for each (M*s) sensors measured by the temperature sensors 130 .

Meanwhile, according to the embodiment of the present invention, the management server 195 checks whether the balance state of each battery pack device 100 matches a preset effective balance range using the battery state information included in the state management information. . If it is confirmed that the balance state is out of the preset effective balance range, the management server 195 preemptively causes the battery pack device 100 out of the balance range to have a problem. A procedure for recovering the battery pack device 100 out of the balance range may be performed.

On the other hand, when balancing the voltage values of the i number of battery cells 110 out of the effective balance range after charging, the communication processing unit 182 balances the voltage values of the i number of battery cells 110 through the designated communication module 145 A procedure for transferring the state management information including the balance state information corresponding to one state to the designated management server 195 may be performed. Meanwhile, the management server 195 receives the status management information through a designated communication network and stores and manages it in a designated storage medium.

According to the implementation method of the present invention, the state management information includes unique identification information set not to be overlapped with the battery pack or the management module 150 .

According to the embodiment of the present invention, the balance state information may include voltage values for each (M*N) battery cells 110 including the balanced voltage values of the i battery cells 110 , and/ Alternatively, it may include state identification information for identifying a state in which the voltage values of the i battery cells 110 are balanced. Meanwhile, the balance state information may further include time information obtained by balancing the voltage values of the i battery cells 110 .

Meanwhile, according to the embodiment of the present invention, the state management information is based on the battery pack voltage value calculated through the voltage values for each (M*N) battery cells 110 collected in the open circuit state of the battery pack power supply. The open circuit battery pack calculated based on the calculated remaining amount of the open circuit battery pack and the battery pack voltage value calculated through the voltage values for each (M*N) battery cells 110 collected just before charging the battery pack power. The remaining amount of the battery pack during charging calculated by using the battery pack charging power for each unit time based on the remaining amount, and the voltage value for each (M*N) battery cells 110 collected just before discharging the battery pack power. The battery pack may further include a remaining amount of at least one of the remaining amounts of the battery pack during discharging calculated using the amount of discharged power of the battery pack for each unit time based on the remaining amount of the open circuit battery pack calculated based on the battery pack voltage value.

Meanwhile, according to the extended implementation method of the present invention, the state management information includes the battery pack voltage value calculated through the voltage value for each (M*N) battery cells 110 and the +/- pack power supply terminal 140 . may further include at least one of a battery pack current value measured through at least one power terminal of If s temperature values are measured through s temperature sensors 130 provided in s (s≥1) designated portions of the M battery modules 105, the state management information is (M*s) It may further include temperature values for each (M*s) sensors measured by the temperature sensors 130 .

Meanwhile, according to the embodiment of the present invention, the management server 195 checks whether the balance state of each battery pack device 100 matches a preset effective balance range using the battery state information included in the state management information. . If it is confirmed that the balance state is out of the preset effective balance range, the management server 195 preemptively causes the battery pack device 100 out of the balance range to have a problem. A procedure for recovering the battery pack device 100 out of the balance range may be performed.

Meanwhile, according to the third embodiment of managing the voltage balance for each (M*N) battery cells 110 , the cell balance management unit 174 supplies battery pack power through the +/- pack power terminal 140 . In the discharging state, it is possible to manage the voltage balance state for each (M*N) battery cells 110 .

The cell balance management unit 174 checks whether the battery pack power is being discharged through the +/- pack power terminal 140, and when the battery pack power is being discharged, the +/- pack power terminal 140 ) between the battery cells 110 for the (M * N) battery cells 110 based on the voltage values for each (M * N) battery cells 110 collected in the state of discharging the battery pack power through Calculate the voltage difference during discharge.

According to the first embodiment of calculating the voltage difference during discharging between the battery cells 110 , the cell balance management unit 174 is a voltage value for each (M*N) battery cells 110 collected in the discharging state. The lowest voltage value may be checked, and a voltage difference during discharging between the battery cells 110 may be calculated based on the lowest voltage value.

Meanwhile, according to the second embodiment of calculating the voltage difference during discharging between the battery cells 110 , the cell balance management unit 174 collects the voltage for each (M*N) battery cells 110 in the discharging state. The highest voltage value among the values may be checked, and a voltage difference during discharging between the battery cells 110 may be calculated based on the highest voltage value.

Meanwhile, according to the third embodiment of calculating the voltage difference during discharging between the battery cells 110 , the cell balance management unit 174 may control the voltage for each (M*N) battery cells 110 collected in the discharging state. A voltage difference during discharging between the battery cells 110 may be calculated based on a specified voltage value among the values.

Meanwhile, according to the fourth embodiment of calculating the voltage difference during discharging between the battery cells 110 , the cell balance management unit 174 is configured to at least partially combine at least two or more of the first to third embodiments. It can be practiced, and the present invention clearly discloses that these embodiments are also included in the scope of the rights.

Meanwhile, the cell balance management unit 174 performs a balance check to determine whether the calculated voltage difference during discharging between the battery cells 110 matches a preset effective balance range during discharging. If the voltage difference during discharging between the battery cells 110 does not match the effective balance range during discharging, the cell balance management unit 174 reduces power discharging using the pack power terminal 140 at a preset rate. can be enabled or blocked.

Meanwhile, when the voltage difference during discharging between the battery cells 110 does not match the effective balance range during discharging, the communication processing unit 182 controls the voltage during discharging between the battery cells 110 through the designated communication module 145 . A procedure for transmitting state management information including balance state information corresponding to a state in which the difference does not match the effective balance range during discharging to the designated management server 195 may be performed. Meanwhile, the management server 195 receives the status management information through a designated communication network and stores and manages it in a designated storage medium.

According to the implementation method of the present invention, the state management information includes unique identification information set not to be overlapped with the battery pack or the management module 150 .

According to the embodiment of the present invention, the balance state information may include voltage values for each of the (M*N) battery cells 110 , and/or the voltage difference between the battery cells 110 during discharging is the It may include state identification information for identifying a state that does not match the effective balance range during discharge or a state in which the power discharge is reduced or blocked at a preset rate. On the other hand, the balance state information is a date and time corresponding to a date and time when the voltage difference during discharging between the battery cells 110 does not match the effective balance range during discharging or when the power discharging is reduced or blocked at a preset rate. It may include more information.

Meanwhile, according to the embodiment of the present invention, the state management information is based on the battery pack voltage value calculated through the voltage values for each (M*N) battery cells 110 collected in the open circuit state of the battery pack power supply. The open circuit battery pack calculated based on the calculated remaining amount of the open circuit battery pack and the battery pack voltage value calculated through the voltage values for each (M*N) battery cells 110 collected just before charging the battery pack power. The remaining amount of the battery pack during charging calculated by using the battery pack charging power for each unit time based on the remaining amount, and the voltage value for each (M*N) battery cells 110 collected just before discharging the battery pack power. The battery pack may further include a remaining amount of at least one of the remaining amounts of the battery pack during discharging calculated using the amount of discharged power of the battery pack for each unit time based on the remaining amount of the open circuit battery pack calculated based on the battery pack voltage value.

Meanwhile, according to the extended implementation method of the present invention, the state management information includes the battery pack voltage value calculated through the voltage value for each (M*N) battery cells 110 and the +/- pack power supply terminal 140 . may further include at least one of a battery pack current value measured through at least one power terminal of If s temperature values are measured through s temperature sensors 130 provided in s (s≥1) designated portions of the M battery modules 105, the state management information is (M*s) It may further include temperature values for each (M*s) sensors measured by the temperature sensors 130 .

Meanwhile, according to the embodiment of the present invention, the management server 195 checks whether the balance state of each battery pack device 100 matches a preset effective balance range using the battery state information included in the state management information. . If it is confirmed that the balance state is out of the preset effective balance range, the management server 195 preemptively causes the battery pack device 100 out of the balance range to have a problem. A procedure for recovering the battery pack device 100 out of the balance range may be performed.

On the other hand, when the voltage difference during discharging between the battery cells 110 matches the effective balance range during discharging, the cell balance management unit 174 operates until the calculated battery pack voltage value reaches a preset discharging completion voltage. It is preferable to maintain power discharge using the pack power terminal 140 .

On the other hand, when the voltage difference during discharging between the battery cells 110 matches the effective balance range during discharging, the communication processing unit 182 controls the voltage difference during discharging between the battery cells 110 through the designated communication module 145 . may perform a procedure for transmitting the state management information including the balance state information corresponding to the state matched to the effective balance range during the discharge to the designated management server 195 . Meanwhile, the management server 195 receives the status management information through a designated communication network and stores and manages it in a designated storage medium.

According to the implementation method of the present invention, the state management information includes unique identification information set not to be overlapped with the battery pack or the management module 150 .

According to the embodiment of the present invention, the balance state information may include voltage values for each of the (M*N) battery cells 110 , and/or the voltage difference between the battery cells 110 during discharging is the It may include state identification information for identifying a state matched to the effective balance range during discharge. Meanwhile, the balance state information may further include time information in which a voltage difference during discharging between the battery cells 110 matches an effective balance range during discharging.

Meanwhile, according to the embodiment of the present invention, the state management information is based on the battery pack voltage value calculated through the voltage values for each (M*N) battery cells 110 collected in the open circuit state of the battery pack power supply. The open circuit battery pack calculated based on the calculated remaining amount of the open circuit battery pack and the battery pack voltage value calculated through the voltage values for each (M*N) battery cells 110 collected just before charging the battery pack power. The remaining amount of the battery pack during charging calculated by using the battery pack charging power for each unit time based on the remaining amount, and the voltage value for each (M*N) battery cells 110 collected just before discharging the battery pack power. The battery pack may further include a remaining amount of at least one of the remaining amounts of the battery pack during discharging calculated using the amount of discharged power of the battery pack for each unit time based on the remaining amount of the open circuit battery pack calculated based on the battery pack voltage value.

Meanwhile, according to the extended implementation method of the present invention, the state management information includes the battery pack voltage value calculated through the voltage value for each (M*N) battery cells 110 and the +/- pack power supply terminal 140 . may further include at least one of a battery pack current value measured through at least one power terminal of If s temperature values are measured through s temperature sensors 130 provided in s (s≥1) designated portions of the M battery modules 105, the state management information is (M*s) It may further include temperature values for each (M*s) sensors measured by the temperature sensors 130 .

Meanwhile, according to the embodiment of the present invention, the management server 195 checks whether the balance state of each battery pack device 100 matches a preset effective balance range using the battery state information included in the state management information. . If it is confirmed that the balance state is out of the preset effective balance range, the management server 195 preemptively causes the battery pack device 100 out of the balance range to have a problem. A procedure for recovering the battery pack device 100 out of the balance range may be performed.

Meanwhile, according to the fourth embodiment of managing the voltage balance for each (M*N) battery cells 110 , the cell balance management unit 174 supplies battery pack power through the +/- pack power terminal 140 . When the battery pack power is converted to an open circuit state in which the battery pack power is neither charging nor discharging in the discharging state, the voltage balance state for each (M*N) battery cells 110 is managed in the state switched to the open circuit state. can do.

The cell balance management unit 174 checks whether the battery pack power is switched from the state of discharging the battery pack power to the open circuit state in which the battery pack power is neither charging nor discharging through the +/- pack power terminal 140, When the battery pack power is switched from the discharging state to the open circuit state, based on the voltage values for each (M*N) battery cells 110 collected in the switched open circuit state, A voltage difference between the battery cells 110 and the battery cells 110 after discharging is calculated.

According to the first embodiment of calculating the voltage difference after discharging between the battery cells 110 , the cell balance management unit 174 is configured for each (M*N) battery cells 110 collected in the switched open circuit state. The lowest voltage value among the voltage values may be checked, and the voltage difference after discharging between the battery cells 110 may be calculated based on the lowest voltage value.

According to the second embodiment of calculating the voltage difference after discharging between the battery cells 110 , the cell balance management unit 174 is configured for each (M*N) battery cells 110 collected in the switched open circuit state. The highest voltage value among the voltage values may be checked, and the voltage difference after discharging between the battery cells 110 may be calculated based on the highest voltage value.

According to the third embodiment of calculating the voltage difference after discharging between the battery cells 110 , the cell balance management unit 174 is configured for each (M*N) battery cells 110 collected in the switched open circuit state. A voltage difference after discharging between the battery cells 110 may be calculated based on a specified voltage value among the voltage values.

Meanwhile, according to the fourth embodiment of calculating the voltage difference after charging between the battery cells 110 , the cell balance management unit 174 is configured to at least partially combine at least two or more of the first to third embodiments. It can be practiced, and the present invention clearly discloses that these embodiments are also included in the scope of the rights.

Meanwhile, the cell balance management unit 174 performs a balance check to determine whether the calculated difference in voltage between the battery cells 110 after discharging matches a preset effective balance range after discharging. If the voltage difference after discharging between the battery cells 110 does not match the effective balance range after discharging, the cell balance management unit 174 sets the lowest value among the voltage values for each (M*N) battery cells 110 . The voltage of the j battery cells 110 by applying a specified load, such as a resistor, to j (1≤j<(N*M)) battery cells 110 that are out of the effective balance range after discharging based on the voltage value Values may be balanced within an effective balance range after the discharge based on the lowest voltage value. For example, when the rated voltage of each battery cell 110 is 3.7V, the cell balance management unit 174 may balance the voltage values of the i battery cells 110 within 30mV based on the lowest voltage value. .

On the other hand, when the voltage difference after discharging between the battery cells 110 does not match the effective balance range after discharging, the communication processing unit 182 controls the voltage after discharging between the battery cells 110 through the designated communication module 145 . A procedure for transmitting the state management information including the balance state information corresponding to the state in which the difference does not match the effective balance range after the discharge to the designated management server 195 may be performed. Meanwhile, the management server 195 receives the status management information through a designated communication network and stores and manages it in a designated storage medium.

According to the implementation method of the present invention, the state management information includes unique identification information set not to be overlapped with the battery pack or the management module 150 .

According to the embodiment of the present invention, the balance state information may include voltage values for each of the (M*N) battery cells 110 , and/or the voltage difference between the battery cells 110 after discharging is the It may include state identification information for identifying a state that does not match the effective balance range after discharging. Meanwhile, the balance state information may further include time information confirming that the voltage difference between the battery cells 110 after discharging does not match the effective balance range after discharging.

Meanwhile, according to the embodiment of the present invention, the state management information is based on the battery pack voltage value calculated through the voltage values for each (M*N) battery cells 110 collected in the open circuit state of the battery pack power supply. The open circuit battery pack calculated based on the calculated remaining amount of the open circuit battery pack and the battery pack voltage value calculated through the voltage values for each (M*N) battery cells 110 collected just before charging the battery pack power. The remaining amount of the battery pack during charging calculated by using the battery pack charging power for each unit time based on the remaining amount, and the voltage value for each (M*N) battery cells 110 collected just before discharging the battery pack power. The battery pack may further include a remaining amount of at least one of the remaining amounts of the battery pack during discharging calculated using the amount of discharged power of the battery pack for each unit time based on the remaining amount of the open circuit battery pack calculated based on the battery pack voltage value.

Meanwhile, according to the extended implementation method of the present invention, the state management information includes the battery pack voltage value calculated through the voltage value for each (M*N) battery cells 110 and the +/- pack power supply terminal 140 . may further include at least one of a battery pack current value measured through at least one power terminal of If s temperature values are measured through s temperature sensors 130 provided in s (s≥1) designated portions of the M battery modules 105, the state management information is (M*s) It may further include temperature values for each (M*s) sensors measured by the temperature sensors 130 .

Meanwhile, according to the embodiment of the present invention, the management server 195 checks whether the balance state of each battery pack device 100 matches a preset effective balance range using the battery state information included in the state management information. . If it is confirmed that the balance state is out of the preset effective balance range, the management server 195 preemptively causes the battery pack device 100 out of the balance range to have a problem. A procedure for recovering the battery pack device 100 out of the balance range may be performed.

On the other hand, when the voltage difference after discharging between the battery cells 110 matches the effective balance range after discharging, the communication processing unit 182 controls the voltage difference after discharging between the battery cells 110 through the designated communication module 145 . may perform a procedure for transmitting the state management information including the balance state information corresponding to the state matched to the effective balance range after the discharge to the designated management server 195 . Meanwhile, the management server 195 receives the status management information through a designated communication network and stores and manages it in a designated storage medium.

According to the implementation method of the present invention, the state management information includes unique identification information set not to be overlapped with the battery pack or the management module 150 .

According to the embodiment of the present invention, the balance state information may include voltage values for each of the (M*N) battery cells 110 , and/or the voltage difference between the battery cells 110 after discharging is the It may include state identification information for identifying a state matched to the effective balance range after discharging. Meanwhile, the balance state information may further include time information confirming that the voltage difference between the battery cells 110 after discharging matches the effective balance range after discharging.

Meanwhile, according to the embodiment of the present invention, the state management information is based on the battery pack voltage value calculated through the voltage values for each (M*N) battery cells 110 collected in the open circuit state of the battery pack power supply. The open circuit battery pack calculated based on the calculated remaining amount of the open circuit battery pack and the battery pack voltage value calculated through the voltage values for each (M*N) battery cells 110 collected just before charging the battery pack power. The remaining amount of the battery pack during charging calculated by using the battery pack charging power for each unit time based on the remaining amount, and the voltage value for each (M*N) battery cells 110 collected just before discharging the battery pack power. The battery pack may further include a remaining amount of at least one of the remaining amounts of the battery pack during discharging calculated using the amount of discharged power of the battery pack for each unit time based on the remaining amount of the open circuit battery pack calculated based on the battery pack voltage value.

Meanwhile, according to the extended implementation method of the present invention, the state management information includes the battery pack voltage value calculated through the voltage value for each (M*N) battery cells 110 and the +/- pack power supply terminal 140 . may further include at least one of a battery pack current value measured through at least one power terminal of If s temperature values are measured through s temperature sensors 130 provided in s (s≥1) designated portions of the M battery modules 105, the state management information is (M*s) It may further include temperature values for each (M*s) sensors measured by the temperature sensors 130 .

Meanwhile, according to the embodiment of the present invention, the management server 195 checks whether the balance state of each battery pack device 100 matches a preset effective balance range using the battery state information included in the state management information. . If it is confirmed that the balance state is out of the preset effective balance range, the management server 195 preemptively causes the battery pack device 100 out of the balance range to have a problem. A procedure for recovering the battery pack device 100 out of the balance range may be performed.

On the other hand, when balancing the voltage values of the j number of battery cells 110 out of the effective balance range after the discharge, the communication processing unit 182 balances the voltage values of the j number of battery cells 110 through the designated communication module 145 A procedure for transferring the state management information including the balance state information corresponding to one state to the designated management server 195 may be performed. Meanwhile, the management server 195 receives the status management information through a designated communication network and stores and manages it in a designated storage medium.

According to the implementation method of the present invention, the state management information includes unique identification information set not to be overlapped with the battery pack or the management module 150 .

According to the embodiment of the present invention, the balance state information may include voltage values for each (M*N) battery cells 110 including the balanced voltage values of j battery cells 110 , and/ Alternatively, it may include state identification information for identifying a state in which the voltage values of the j battery cells 110 are balanced. Meanwhile, the balance state information may further include time information obtained by balancing the voltage values of the j battery cells 110 .

Meanwhile, according to the embodiment of the present invention, the state management information is based on the battery pack voltage value calculated through the voltage values for each (M*N) battery cells 110 collected in the open circuit state of the battery pack power supply. The open circuit battery pack calculated based on the calculated remaining amount of the open circuit battery pack and the battery pack voltage value calculated through the voltage values for each (M*N) battery cells 110 collected just before charging the battery pack power. The remaining amount of the battery pack during charging calculated by using the battery pack charging power for each unit time based on the remaining amount, and the voltage value for each (M*N) battery cells 110 collected just before discharging the battery pack power. The battery pack may further include a remaining amount of at least one of the remaining amounts of the battery pack during discharging calculated using the amount of discharged power of the battery pack for each unit time based on the remaining amount of the open circuit battery pack calculated based on the battery pack voltage value.

Meanwhile, according to the extended implementation method of the present invention, the state management information includes the battery pack voltage value calculated through the voltage value for each (M*N) battery cells 110 and the +/- pack power supply terminal 140 . may further include at least one of a battery pack current value measured through at least one power terminal of If s temperature values are measured through s temperature sensors 130 provided in s (s≥1) designated portions of the M battery modules 105, the state management information is (M*s) It may further include temperature values for each (M*s) sensors measured by the temperature sensors 130 .

Meanwhile, according to the embodiment of the present invention, the management server 195 checks whether the balance state of each battery pack device 100 matches a preset effective balance range using the battery state information included in the state management information. . If it is confirmed that the balance state is out of the preset effective balance range, the management server 195 preemptively causes the battery pack device 100 out of the balance range to have a problem. A procedure for recovering the battery pack device 100 out of the balance range may be performed.

Referring to FIG. 1 , the management module 150 senses s temperature values through s temperature sensors 130 provided in s (s≥1) designated portions of the M battery modules 105 . to collect, using the temperature value for each (M*s) sensor collected from the M battery modules 105, a temperature balance management unit 178 that manages the temperature balance state for each (M*s) sensor. A management server designated for state management information including balance state information including the collected (M * N) voltage values for each battery cell 110 and the collected (M * s) temperature values for each sensor and a communication processing unit 182 that performs a procedure for forwarding to 195 .

According to the first embodiment of managing the temperature balance for each (M*s) sensor, the temperature balance management unit 178 is configured to charge the battery pack power through the +/- pack power terminal 140 ( It is possible to manage the temperature balance status for each M*s) sensor.

The temperature balance management unit 178 checks whether the battery pack power is being charged through the +/- pack power terminal 140, and when the battery pack power is being charged, the +/- pack power terminal 140 ) to calculate the temperature difference during charging between the sensors for the (M*s) sensors based on the temperature values for each (M*s) sensors collected while charging the battery pack power.

According to the first embodiment of calculating the temperature difference between the sensors during charging, the temperature balance management unit 178 checks the lowest temperature value among the temperature values for each (M*s) sensor collected in the charging state, Based on the minimum temperature value, a temperature difference between sensors during charging may be calculated.

Meanwhile, according to the second embodiment of calculating the temperature difference between the sensors during charging, the temperature balance management unit 178 checks the highest temperature value among the temperature values for each (M*s) sensor collected in the charging state, and , it is possible to calculate a temperature difference during charging between sensors based on the highest temperature value.

Meanwhile, according to the third embodiment of calculating the temperature difference between the sensors during charging, the temperature balance management unit 178 is based on a specified temperature value among (M*s) temperature values for each sensor collected in the charging state. The temperature difference during charging between the sensors can be calculated.

Meanwhile, according to the fourth embodiment for calculating the temperature difference between the sensors during charging, the temperature balance management unit 178 may be implemented in a form that at least partially combines at least two or more of the first to third embodiments. , the present invention clearly discloses that these embodiments are also included in the scope of the rights.

Meanwhile, the temperature balance management unit 178 performs a balance test to determine whether the calculated temperature difference between the sensors during charging matches a preset temperature balance range during charging. If the temperature difference between the sensors during charging does not match the temperature balance range during charging, the temperature balance management unit 178 may block power charging using the pack power terminal 140 .

Meanwhile, according to another implementation method of the present invention, in the management module 150, in addition to the temperature balance management unit 178, at least one temperature value among the (M*s) sensor-specific temperature values exceeds a preset limit temperature. It may further include a temperature management unit (not shown) for performing a threshold temperature check to determine whether the In the case of exceeding , power charging using the pack power terminal 140 may be blocked. However, when at least one of the (M*s) temperature values for each sensor exceeds a preset limit temperature, at least one of the (M*N) battery cells 110 is fatal to the battery cell 110 . The problem may have already occurred, and in this case, even if the power charging is cut off, the problem occurring in the battery cell 110 gradually (or rapidly) escalates, and contains a risk of fire or explosion. On the other hand, the temperature balance management unit 178 predicts a sign of the occurrence of a problem in advance before a problem occurs in at least one of the (M * N) battery cells 110 through the balance check, and Since the charging is cut off, it has a feature of preventing the occurrence of a problem in the battery cell 110 in advance more safely than when performing the limit temperature test.

On the other hand, if the temperature difference during charging between the sensors does not match the temperature balance range during charging, the communication processing unit 182 determines the temperature difference between the sensors during charging through the designated communication module 145 to determine the temperature balance range during charging. A procedure for transmitting the state management information including the balance state information corresponding to the state that is not matched to the designated management server 195 may be performed. Meanwhile, the management server 195 receives the status management information through a designated communication network and stores and manages it in a designated storage medium.

According to the implementation method of the present invention, the state management information includes unique identification information set not to be overlapped with the battery pack or the management module 150 .

According to the embodiment of the present invention, the balance state information may include a voltage value for each (M*N) battery cells 110 and a temperature value for each (M*s) sensor, and/or the sensor It may include state identification information for identifying a state in which the temperature difference during charging does not match the temperature balance range during charging or a state in which the power charging is cut off. Meanwhile, the balance state information may further include date and time information corresponding to a date and time when the temperature difference between the sensors during charging does not match the temperature balance range during charging or when the power charging is cut off.

Meanwhile, according to the embodiment of the present invention, the state management information is based on the battery pack voltage value calculated through the voltage values for each (M*N) battery cells 110 collected in the open circuit state of the battery pack power supply. The open circuit battery pack calculated based on the calculated remaining amount of the open circuit battery pack and the battery pack voltage value calculated through the voltage values for each (M*N) battery cells 110 collected just before charging the battery pack power. The remaining amount of the battery pack during charging calculated by using the battery pack charging power for each unit time based on the remaining amount, and the voltage value for each (M*N) battery cells 110 collected just before discharging the battery pack power. The battery pack may further include a remaining amount of at least one of the remaining amounts of the battery pack during discharging calculated using the amount of discharged power of the battery pack for each unit time based on the remaining amount of the open circuit battery pack calculated based on the battery pack voltage value.

Meanwhile, according to the extended implementation method of the present invention, the state management information includes the battery pack voltage value calculated through the voltage value for each (M*N) battery cells 110 and the +/- pack power supply terminal 140 . may further include at least one of a battery pack current value measured through at least one power terminal of

Meanwhile, according to the embodiment of the present invention, the management server 195 checks whether the balance state of each battery pack device 100 matches a preset effective balance range using the battery state information included in the state management information. . If it is confirmed that the balance state is out of the preset effective balance range, the management server 195 preemptively causes the battery pack device 100 out of the balance range to have a problem. A procedure for recovering the battery pack device 100 out of the balance range may be performed.

On the other hand, when the temperature difference between the sensors during charging matches the temperature balance range during charging, the temperature balance management unit 178 controls the pack power terminal until the calculated battery pack voltage reaches a preset charging completion voltage. It is desirable to maintain power charging using 140.

On the other hand, when the temperature difference during charging between the sensors matches the temperature balance range during charging, the communication processing unit 182 determines that the temperature difference between the sensors during charging through the designated communication module 145 is in the temperature balance range during charging. A procedure for transmitting the state management information including the balance state information corresponding to the matched state to the designated management server 195 may be performed. Meanwhile, the management server 195 receives the status management information through a designated communication network and stores and manages it in a designated storage medium.

According to the implementation method of the present invention, the state management information includes unique identification information set not to be overlapped with the battery pack or the management module 150 .

According to the embodiment of the present invention, the balance state information may include a voltage value for each (M*N) battery cells 110 and a temperature value for each (M*s) sensor, and/or the sensor It may include state identification information for identifying a state in which the temperature difference during charging is matched to the temperature balance range during charging. Meanwhile, the balance state information may further include time information in which a temperature difference between the sensors during charging is matched to a temperature balance range during charging.

Meanwhile, according to the embodiment of the present invention, the state management information is based on the battery pack voltage value calculated through the voltage values for each (M*N) battery cells 110 collected in the open circuit state of the battery pack power supply. The open circuit battery pack calculated based on the calculated remaining amount of the open circuit battery pack and the battery pack voltage value calculated through the voltage values for each (M*N) battery cells 110 collected just before charging the battery pack power. The remaining amount of the battery pack during charging calculated by using the battery pack charging power for each unit time based on the remaining amount, and the voltage value for each (M*N) battery cells 110 collected just before discharging the battery pack power. The battery pack may further include a remaining amount of at least one of the remaining amounts of the battery pack during discharging calculated using the amount of discharged power of the battery pack for each unit time based on the remaining amount of the open circuit battery pack calculated based on the battery pack voltage value.

Meanwhile, according to the extended implementation method of the present invention, the state management information includes the battery pack voltage value calculated through the voltage value for each (M*N) battery cells 110 and the +/- pack power supply terminal 140 . may further include at least one of a battery pack current value measured through at least one power terminal of

Meanwhile, according to the embodiment of the present invention, the management server 195 checks whether the balance state of each battery pack device 100 matches a preset effective balance range using the battery state information included in the state management information. . If it is confirmed that the balance state is out of the preset effective balance range, the management server 195 preemptively causes the battery pack device 100 out of the balance range to have a problem. A procedure for recovering the battery pack device 100 out of the balance range may be performed.

Meanwhile, according to the second embodiment of managing the temperature balance for each (M*s) number of sensors, the temperature balance management unit 178 is in a state of charging the battery pack power through the +/- pack power terminal 140 . When the battery pack power supply is switched to an open circuit state that is neither charging nor discharging, the temperature balance state for each (M*s) sensor is managed while the battery pack power supply is switched from the charging state to the open circuit state. can do.

The temperature balance management unit 178 checks whether the battery pack power is switched from the charging state to the battery pack power supply through the +/− pack power terminal 140 to the open circuit state in which the battery pack power is neither charging nor discharging; When the battery pack power is switched from the charging state to the open circuit state, the (M*s) temperature sensors 130 based on the temperature values for each (M*s) sensors collected in the switched open circuit state ), calculate the temperature difference after charging between the sensors.

According to the first embodiment of calculating the temperature difference between the sensors after charging, the temperature balance management unit 178 checks the lowest temperature value among the temperature values for each (M*s) sensor collected in the switched open circuit state. and the temperature difference after charging between the sensors may be calculated based on the lowest temperature value.

Meanwhile, according to the second embodiment of calculating the temperature difference between the sensors after charging, the temperature balance management unit 178 selects the highest temperature value among the temperature values for each (M*s) sensor collected in the switched open circuit state. Check and calculate the temperature difference after charging between the sensors based on the highest temperature value.

Meanwhile, according to the third embodiment of calculating the temperature difference after charging between the sensors, the temperature balance management unit 178 selects a specified temperature value among (M*s) temperature values for each sensor collected in the switched open circuit state. As a reference, the temperature difference after charging between the sensors can be calculated.

Meanwhile, according to the fourth embodiment of calculating the temperature difference between the sensors after charging, the temperature balance management unit 178 may be implemented in a form that at least partially combines at least two or more of the first to third embodiments. , the present invention clearly discloses that these embodiments are also included in the scope of the rights.

Meanwhile, the temperature balance management unit 178 performs a balance check to determine whether the calculated temperature difference between the sensors after charging matches a preset temperature balance range after charging. If the temperature difference between the sensors after charging does not match the post-charging temperature balance range, the communication processing unit 182 determines whether the temperature difference between the sensors after charging through the designated communication module 145 is within the post-charging temperature balance range. A procedure for transmitting the state management information including the balance state information corresponding to the state that is not matched to the designated management server 195 may be performed. Meanwhile, the management server 195 receives the status management information through a designated communication network and stores and manages it in a designated storage medium.

According to the implementation method of the present invention, the state management information includes unique identification information set not to be overlapped with the battery pack or the management module 150 .

According to the embodiment of the present invention, the balance state information may include a voltage value for each (M*N) battery cells 110 and a temperature value for each (M*s) sensor, and/or the sensor It may include state identification information for identifying a state in which the temperature difference after inter-charging does not match the post-charging temperature balance range. Meanwhile, the balance state information may further include time information confirming that the temperature difference between the sensors after charging does not match the post-charging temperature balance range.

Meanwhile, according to the embodiment of the present invention, the state management information is based on the battery pack voltage value calculated through the voltage values for each (M*N) battery cells 110 collected in the open circuit state of the battery pack power supply. The open circuit battery pack calculated based on the calculated remaining amount of the open circuit battery pack and the battery pack voltage value calculated through the voltage values for each (M*N) battery cells 110 collected just before charging the battery pack power. The remaining amount of the battery pack during charging calculated by using the battery pack charging power for each unit time based on the remaining amount, and the voltage value for each (M*N) battery cells 110 collected just before discharging the battery pack power. The battery pack may further include a remaining amount of at least one of the remaining amounts of the battery pack during discharging calculated using the amount of discharged power of the battery pack for each unit time based on the remaining amount of the open circuit battery pack calculated based on the battery pack voltage value.

Meanwhile, according to the extended implementation method of the present invention, the state management information includes the battery pack voltage value calculated through the voltage value for each (M*N) battery cells 110 and the +/- pack power supply terminal 140 . may further include at least one of a battery pack current value measured through at least one power terminal of

Meanwhile, according to the embodiment of the present invention, the management server 195 checks whether the balance state of each battery pack device 100 matches a preset effective balance range using the battery state information included in the state management information. . If it is confirmed that the balance state is out of the preset effective balance range, the management server 195 preemptively causes the battery pack device 100 out of the balance range to have a problem. A procedure for recovering the battery pack device 100 out of the balance range may be performed.

On the other hand, when the temperature difference between the sensors after charging matches the post-charging temperature balance range, the communication processing unit 182 determines that the temperature difference between the sensors after charging through the designated communication module 145 is within the post-charging temperature balance range. A procedure for transmitting the state management information including the balance state information corresponding to the matched state to the designated management server 195 may be performed. Meanwhile, the management server 195 receives the status management information through a designated communication network and stores and manages it in a designated storage medium.

According to the implementation method of the present invention, the state management information includes unique identification information set not to be overlapped with the battery pack or the management module 150 .

According to the embodiment of the present invention, the balance state information may include a voltage value for each (M*N) battery cells 110 and a temperature value for each (M*s) sensor, and/or the sensor It may include state identification information for identifying a state in which the temperature difference after charging is matched to the temperature balance range after charging. Meanwhile, the balance state information may further include time information confirming that the temperature difference between the sensors after charging matches the temperature balance range after charging.

Meanwhile, according to the embodiment of the present invention, the state management information is based on the battery pack voltage value calculated through the voltage values for each (M*N) battery cells 110 collected in the open circuit state of the battery pack power supply. The open circuit battery pack calculated based on the calculated remaining amount of the open circuit battery pack and the battery pack voltage value calculated through the voltage values for each (M*N) battery cells 110 collected just before charging the battery pack power. The remaining amount of the battery pack during charging calculated by using the battery pack charging power for each unit time based on the remaining amount, and the voltage value for each (M*N) battery cells 110 collected just before discharging the battery pack power. The battery pack may further include a remaining amount of at least one of the remaining amounts of the battery pack during discharging calculated using the amount of discharged power of the battery pack for each unit time based on the remaining amount of the open circuit battery pack calculated based on the battery pack voltage value.

Meanwhile, according to the extended implementation method of the present invention, the state management information includes the battery pack voltage value calculated through the voltage value for each (M*N) battery cells 110 and the +/- pack power supply terminal 140 . may further include at least one of a battery pack current value measured through at least one power terminal of

Meanwhile, according to the embodiment of the present invention, the management server 195 checks whether the balance state of each battery pack device 100 matches a preset effective balance range using the battery state information included in the state management information. . If it is confirmed that the balance state is out of the preset effective balance range, the management server 195 preemptively causes the battery pack device 100 out of the balance range to have a problem. A procedure for recovering the battery pack device 100 out of the balance range may be performed.

Meanwhile, according to the third embodiment of managing the temperature balance for each (M*s) sensor, the temperature balance management unit 178 is configured to discharge the battery pack power through the +/- pack power terminal 140 in a state of discharging. It is possible to manage the temperature balance status for each (M*s) sensor.

The temperature balance management unit 178 checks whether the battery pack power is being discharged through the +/- pack power terminal 140, and when the battery pack power is being discharged, the +/- pack power terminal 140 ) to calculate the temperature difference during discharging between the sensors for the (M*s) sensors based on the temperature values for each (M*s) sensors collected while discharging the battery pack power.

According to the first embodiment of calculating the temperature difference during discharging between the sensors, the temperature balance management unit 178 checks the lowest temperature value among the temperature values for each (M*s) sensor collected in the discharging state, A temperature difference during discharge between the sensors may be calculated based on the lowest temperature value.

Meanwhile, according to the second embodiment of calculating the temperature difference during discharging between the sensors, the temperature balance management unit 178 checks the highest temperature value among the temperature values for each (M*s) sensor collected in the discharging state, , it is possible to calculate a temperature difference during discharge between the sensors based on the highest temperature value.

Meanwhile, according to the third embodiment of calculating the temperature difference between the sensors during discharging, the temperature balance management unit 178 is based on a specified temperature value among (M*s) temperature values for each sensor collected in the discharging state. The temperature difference during discharge between the sensors can be calculated.

Meanwhile, according to the fourth embodiment for calculating the temperature difference during discharge between the sensors, the temperature balance management unit 178 may be implemented in a form that at least partially combines at least two or more of the first to third embodiments. , the present invention clearly discloses that these embodiments are also included in the scope of the rights.

Meanwhile, the temperature balance management unit 178 performs a balance check to determine whether the calculated temperature difference during discharge matches a preset temperature balance range during discharge. If the temperature difference during discharging between the sensors does not match the temperature balance range during discharging, the temperature balance management unit 178 may reduce or block power discharge using the pack power terminal 140 at a preset rate. have.

Meanwhile, according to another implementation method of the present invention, in the management module 150, in addition to the temperature balance management unit 178, at least one temperature value among the (M*s) sensor-specific temperature values exceeds a preset limit temperature. It may further include a temperature management unit (not shown) for performing a threshold temperature check to determine whether the In the case of exceeding , power discharge using the pack power terminal 140 may be reduced or blocked at a preset rate. However, when at least one of the (M*s) temperature values for each sensor exceeds a preset limit temperature, at least one of the (M*N) battery cells 110 is fatal to the battery cell 110 . The problem may have already occurred, and in this case, even if the power discharge is reduced or blocked at a preset rate, the problem occurring in the battery cell 110 gradually (or rapidly) expands, implying a risk of fire or explosion. are doing On the other hand, the temperature balance management unit 178 predicts a sign of the occurrence of a problem in advance before a problem occurs in at least one of the (M * N) battery cells 110 through the balance check, and Since the discharge is reduced or blocked at a preset rate, it has a feature of preventing the occurrence of a problem in the battery cell 110 in advance more safely than when the limit temperature test is performed.

On the other hand, when the temperature difference during discharging between the sensors does not match the temperature balance range during discharging, the communication processing unit 182 determines whether the temperature difference during discharging between the sensors is within the temperature balance range during discharging through a designated communication module 145 . A procedure for transmitting the state management information including the balance state information corresponding to the state that is not matched to the designated management server 195 may be performed. Meanwhile, the management server 195 receives the status management information through a designated communication network and stores and manages it in a designated storage medium.

According to the implementation method of the present invention, the state management information includes unique identification information set not to be overlapped with the battery pack or the management module 150 .

According to the embodiment of the present invention, the balance state information may include a voltage value for each (M*N) battery cells 110 and a temperature value for each (M*s) sensor, and/or the sensor It may include state identification information for identifying a state in which the temperature difference during discharging does not match the temperature balance range during discharging or a state in which the power discharging is reduced or blocked by a preset ratio. On the other hand, the balance state information further includes date and time information corresponding to the date and time when the temperature difference during the discharging between the sensors does not match the temperature balance range during the discharging or when the power discharging is reduced or blocked at a preset rate. can do.

Meanwhile, according to the embodiment of the present invention, the state management information is based on the battery pack voltage value calculated through the voltage values for each (M*N) battery cells 110 collected in the open circuit state of the battery pack power supply. The open circuit battery pack calculated based on the calculated remaining amount of the open circuit battery pack and the battery pack voltage value calculated through the voltage values for each (M*N) battery cells 110 collected just before charging the battery pack power. The remaining amount of the battery pack during charging calculated by using the battery pack charging power for each unit time based on the remaining amount, and the voltage value for each (M*N) battery cells 110 collected just before discharging the battery pack power. The battery pack may further include a remaining amount of at least one of the remaining amounts of the battery pack during discharging calculated using the amount of discharged power of the battery pack for each unit time based on the remaining amount of the open circuit battery pack calculated based on the battery pack voltage value.

Meanwhile, according to the extended implementation method of the present invention, the state management information includes the battery pack voltage value calculated through the voltage value for each (M*N) battery cells 110 and the +/- pack power supply terminal 140 . may further include at least one of a battery pack current value measured through at least one power terminal of

Meanwhile, according to the embodiment of the present invention, the management server 195 checks whether the balance state of each battery pack device 100 matches a preset effective balance range using the battery state information included in the state management information. . If it is confirmed that the balance state is out of the preset effective balance range, the management server 195 preemptively causes the battery pack device 100 out of the balance range to have a problem. A procedure for recovering the battery pack device 100 out of the balance range may be performed.

Meanwhile, when the temperature difference during discharging between the sensors matches the temperature balance range during discharging, the temperature balance management unit 178 controls the pack power terminal until the calculated battery pack voltage reaches a preset discharging voltage. It is desirable to maintain the power discharge using 140.

On the other hand, when the temperature difference during discharging between the sensors matches the temperature balance range during discharging, the communication processing unit 182 determines that the temperature difference during discharging between the sensors is within the temperature balance range during discharging through a designated communication module 145 . A procedure for transmitting the state management information including the balance state information corresponding to the matched state to the designated management server 195 may be performed. Meanwhile, the management server 195 receives the status management information through a designated communication network and stores and manages it in a designated storage medium.

According to the implementation method of the present invention, the state management information includes unique identification information set not to be overlapped with the battery pack or the management module 150 .

According to the embodiment of the present invention, the balance state information may include a voltage value for each (M*N) battery cells 110 and a temperature value for each (M*s) sensor, and/or the sensor It may include state identification information for identifying a state in which the temperature difference during inter-discharge matches the temperature balance range during the discharging. Meanwhile, the balance state information may further include time information in which a temperature difference during discharging between the sensors is matched to a temperature balance range during discharging.

Meanwhile, according to the embodiment of the present invention, the state management information is based on the battery pack voltage value calculated through the voltage values for each (M*N) battery cells 110 collected in the open circuit state of the battery pack power supply. The open circuit battery pack calculated based on the calculated remaining amount of the open circuit battery pack and the battery pack voltage value calculated through the voltage values for each (M*N) battery cells 110 collected just before charging the battery pack power. The remaining amount of the battery pack during charging calculated by using the battery pack charging power for each unit time based on the remaining amount, and the voltage value for each (M*N) battery cells 110 collected just before discharging the battery pack power. The battery pack may further include a remaining amount of at least one of the remaining amounts of the battery pack during discharging calculated using the amount of discharged power of the battery pack for each unit time based on the remaining amount of the open circuit battery pack calculated based on the battery pack voltage value.

Meanwhile, according to the extended implementation method of the present invention, the state management information includes the battery pack voltage value calculated through the voltage value for each (M*N) battery cells 110 and the +/- pack power supply terminal 140 . may further include at least one of a battery pack current value measured through at least one power terminal of

Meanwhile, according to the embodiment of the present invention, the management server 195 checks whether the balance state of each battery pack device 100 matches a preset effective balance range using the battery state information included in the state management information. . If it is confirmed that the balance state is out of the preset effective balance range, the management server 195 preemptively causes the battery pack device 100 out of the balance range to have a problem. A procedure for recovering the battery pack device 100 out of the balance range may be performed.

Meanwhile, according to the fourth embodiment of managing the temperature balance for each of the (M*s) sensors, the temperature balance management unit 178 is configured to discharge the battery pack power through the +/- pack power terminal 140 in a state of discharging. When the battery pack power is switched to an open circuit state that is neither charging nor discharging, the temperature balance state for each (M*s) sensor is managed while the battery pack power is switched from the discharging state to the open circuit state. can do.

The temperature balance management unit 178 checks whether the battery pack power is switched from the state of discharging the battery pack power to the open circuit state in which the battery pack power is neither charging nor discharging through the +/- pack power terminal 140, When the battery pack power is switched from the discharging state to the open circuit state, the (M*s) temperature sensors 130 based on the temperature values for each (M*s) sensors collected in the switched open circuit state ) to calculate the temperature difference after discharging between the sensors.

According to the first embodiment of calculating the temperature difference after discharging between the sensors, the temperature balance management unit 178 checks the lowest temperature value among the temperature values for each (M*s) sensor collected in the switched open circuit state. and the voltage difference after discharging between the sensors may be calculated based on the lowest temperature value.

Meanwhile, according to the second embodiment of calculating the temperature difference after discharging between the sensors, the temperature balance management unit 178 selects the highest temperature value among the temperature values for each (M*s) sensor collected in the switched open circuit state. Check and calculate the voltage difference after discharging between the sensors based on the highest temperature value.

Meanwhile, according to the third embodiment of calculating the temperature difference between the sensors after discharging, the temperature balance management unit 178 selects a specified temperature value among (M*s) temperature values for each sensor collected in the switched open circuit state. As a reference, the voltage difference after discharging between the sensors can be calculated.

On the other hand, according to the fourth embodiment for calculating the temperature difference between the sensors after the discharge, the temperature balance management unit 178 may be implemented in a form that at least partially combines at least two or more of the first to third embodiments, , the present invention clearly discloses that these embodiments are also included in the scope of the rights.

Meanwhile, the temperature balance management unit 178 performs a balance test to determine whether the calculated difference in voltage after discharging between the sensors matches a preset temperature balance range after discharging. If the voltage difference after discharging between the sensors does not match the post-discharging temperature balance range, the communication processing unit 182 determines whether the voltage difference between the sensors after discharging through the designated communication module 145 is within the post-discharging temperature balance range. A procedure for transmitting the state management information including the balance state information corresponding to the state that is not matched to the designated management server 195 may be performed. Meanwhile, the management server 195 receives the status management information through a designated communication network and stores and manages it in a designated storage medium.

According to the implementation method of the present invention, the state management information includes unique identification information set not to be overlapped with the battery pack or the management module 150 .

According to the embodiment of the present invention, the balance state information may include a voltage value for each (M*N) battery cells 110 and a temperature value for each (M*s) sensor, and/or the sensor It may include state identification information for identifying a state in which the voltage difference after inter-discharge does not match the post-discharge temperature balance range. Meanwhile, the balance state information may further include time information confirming that the voltage difference after discharging between the sensors does not match the temperature balance range after discharging.

Meanwhile, according to the embodiment of the present invention, the state management information is based on the battery pack voltage value calculated through the voltage values for each (M*N) battery cells 110 collected in the open circuit state of the battery pack power supply. The open circuit battery pack calculated based on the calculated remaining amount of the open circuit battery pack and the battery pack voltage value calculated through the voltage values for each (M*N) battery cells 110 collected just before charging the battery pack power. The remaining amount of the battery pack during charging calculated by using the battery pack charging power for each unit time based on the remaining amount, and the voltage value for each (M*N) battery cells 110 collected just before discharging the battery pack power. The battery pack may further include a remaining amount of at least one of the remaining amounts of the battery pack during discharging calculated using the amount of discharged power of the battery pack for each unit time based on the remaining amount of the open circuit battery pack calculated based on the battery pack voltage value.

Meanwhile, according to the extended implementation method of the present invention, the state management information includes the battery pack voltage value calculated through the voltage value for each (M*N) battery cells 110 and the +/- pack power supply terminal 140 . may further include at least one of a battery pack current value measured through at least one power terminal of

Meanwhile, according to the embodiment of the present invention, the management server 195 checks whether the balance state of each battery pack device 100 matches a preset effective balance range using the battery state information included in the state management information. . If it is confirmed that the balance state is out of the preset effective balance range, the management server 195 preemptively causes the battery pack device 100 out of the balance range to have a problem. A procedure for recovering the battery pack device 100 out of the balance range may be performed.

On the other hand, when the voltage difference after discharging between the sensors matches the temperature balance range after discharging, the communication processing unit 182 determines whether the voltage difference between the sensors after discharging through the designated communication module 145 is within the temperature balance range after discharging. A procedure for transmitting the state management information including the balance state information corresponding to the matched state to the designated management server 195 may be performed. Meanwhile, the management server 195 receives the status management information through a designated communication network and stores and manages it in a designated storage medium.

According to the implementation method of the present invention, the state management information includes unique identification information set not to be overlapped with the battery pack or the management module 150 .

According to the embodiment of the present invention, the balance state information may include a voltage value for each (M*N) battery cells 110 and a temperature value for each (M*s) sensor, and/or the sensor It may include state identification information for identifying a state in which the voltage difference after inter-discharge matches the post-discharge temperature balance range. Meanwhile, the balance state information may further include time information confirming a state in which a voltage difference after discharging between the sensors matches a temperature balance range after discharging.

Meanwhile, according to the embodiment of the present invention, the state management information is based on the battery pack voltage value calculated through the voltage values for each (M*N) battery cells 110 collected in the open circuit state of the battery pack power supply. The open circuit battery pack calculated based on the calculated remaining amount of the open circuit battery pack and the battery pack voltage value calculated through the voltage values for each (M*N) battery cells 110 collected just before charging the battery pack power. The remaining amount of the battery pack during charging calculated by using the battery pack charging power for each unit time based on the remaining amount, and the voltage value for each (M*N) battery cells 110 collected just before discharging the battery pack power. The battery pack may further include a remaining amount of at least one of the remaining amounts of the battery pack during discharging calculated using the amount of discharged power of the battery pack for each unit time based on the remaining amount of the open circuit battery pack calculated based on the battery pack voltage value.

Meanwhile, according to the extended implementation method of the present invention, the state management information includes the battery pack voltage value calculated through the voltage value for each (M*N) battery cells 110 and the +/- pack power supply terminal 140 . may further include at least one of a battery pack current value measured through at least one power terminal of

Meanwhile, according to the embodiment of the present invention, the management server 195 checks whether the balance state of each battery pack device 100 matches a preset effective balance range using the battery state information included in the state management information. . If it is confirmed that the balance state is out of the preset effective balance range, the management server 195 preemptively causes the battery pack device 100 out of the balance range to have a problem. A procedure for recovering the battery pack device 100 out of the balance range may be performed.

FIG. 2 is a diagram illustrating a process in which the management module 150 collects information from the M battery modules 105 and registers the information in the management server 195 according to an embodiment of the present invention.

In FIG. 2 in more detail, the management module 150 collects the voltage value for each (M * N) battery cells 110 and the temperature value for each (M * s) sensor from the M battery modules 105, The process of registering the state management information including the balance state information including the collected (M * N) voltage values for each battery cell 110 and the (M * s) temperature values for each sensor in the management server 195 . As shown in the figure, those of ordinary skill in the art to which the present invention pertains, refer to and/or modify this figure 2 to see various implementation methods for the process (eg, some steps are omitted or the order is changed) implementation method) can be inferred, but the present invention includes all of the inferred implementation methods, and the technical characteristics are not limited only to the implementation method illustrated in FIG. 2 . However, for convenience, in this figure 2, the management module 150 collects the voltage value for each (M*N) battery cells 110 and the temperature value for each (M*s) sensor from the M battery modules 105 together. An example will be illustrated and described, but the present invention is not limited thereto, and an embodiment in which only one of a voltage value for each battery cell 110 and a temperature value for each sensor is collected or a voltage value for each battery cell 110 and each sensor Embodiments in which temperature values are collected at different periods are all possible, and the present invention clearly discloses that these embodiments are also included in the scope of the rights.

Referring to FIG. 2 , the management module 150 provided in the battery pack device 100 periodically includes (M*N) voltage values for each battery cell 110 and (M*s) from the M battery modules 105 . ) temperature values for each sensor are collected ( 200 ). Thereafter, a balancing process is performed using at least one of a voltage value for each (M*N) battery cells 110 and a temperature value for each (M*s) sensor, and/or (M*N) battery cells A process of registering state management information including balance state information including voltage values for each (110) and temperature values for each (M*s) sensor in the management server 195 may be performed.

Meanwhile, when calculating the remaining amount of the battery pack or registering the state management information in the management server 195, the management module 150 uses the voltage values for each (M*N) battery cells 110 collected. to calculate the battery pack voltage value (205), and check whether the battery pack is being charged, discharged, or in an open circuit state through at least one power terminal among the +/- pack power terminals 140 of the battery pack (210) .

If the battery pack is in the open circuit state, the management module 150 checks the battery pack voltage value calculated by using the voltage values for each (M*N) battery cells 110 collected in the open circuit state. Then, the remaining amount of the open circuit battery pack corresponding to the relationship between the fully charged voltage or fully discharged voltage of the battery pack and the confirmed battery pack voltage value is calculated ( 215 ).

Alternatively, when the battery pack is in the charging state, the management module 150 calculates the battery pack voltage based on the voltage values for each (M*N) battery cells 110 collected just before charging the battery pack power. Check the remaining amount of the open circuit battery pack calculated based on the value as the reference remaining amount before charging, and use the voltage values for each (M*N) battery cells 110 collected for each specified period while the battery pack power is being charged. to check the calculated battery pack voltage value, and check the battery pack current value measured for each unit time specified through at least one power terminal among the +/- pack power terminals 140 while the battery pack power is being charged and calculates the battery pack charging power for each designated unit time based on the confirmed battery pack voltage value and the battery pack current value while the battery pack power is being charged, and corresponds to the battery pack charging power calculated for each designated unit time The remaining amount of the battery pack during charging is calculated by accumulatively adding the ratio of the remaining amount to the checked remaining amount before charging ( 215 ).

Alternatively, when the battery pack is in a discharging state, the management module 150 calculates the battery pack voltage based on the voltage values for each (M*N) battery cells 110 collected just before discharging the battery pack power. Check the remaining amount of the open circuit battery pack calculated based on the value as the reference remaining amount before discharging, and use the voltage value for each (M*N) battery cells 110 collected for each specified period while the battery pack power is being discharged to check the calculated battery pack voltage value, and check the battery pack current value measured for each unit time specified through at least one power terminal among the +/- pack power terminals 140 while the battery pack power is being discharged and, in a state in which the battery pack power is being discharged, calculates the battery pack discharge power amount for each designated unit time based on the confirmed battery pack voltage value and the battery pack current value, and corresponds to the battery pack discharge power amount calculated for each designated unit time The remaining amount of the battery pack during discharging is calculated by accumulatively subtracting the ratio of the remaining amount of the battery pack from the checked remaining amount before discharging ( 215 ).

On the other hand, the management module 150 collects the battery state information including the voltage value for each (M * N) battery cells 110 and the temperature value for each (M * s) sensor and the calculated remaining amount of the battery pack. A procedure of transmitting the included state management information to the management server 195 through the designated communication module 145 is performed (220).

Meanwhile, the management server 195 receives the state management information from the battery pack device 100 through a communication network ( 225 ), and stores and manages the state management information in a designated storage medium ( 230 ).

3 is a diagram illustrating a process of managing the balance of the battery cells 110 during charging of the battery pack device 100 according to an embodiment of the present invention.

In more detail, FIG. 3 shows that the management module 150 uses the voltage values for each (M*N) battery cells 110 collected from the M battery modules 105 while charging the battery in the battery pack device 100 . As showing the process of managing the balance state for each cell 110, those of ordinary skill in the art to which the present invention pertains may refer to and/or modify this FIG. 3 to see various implementation methods for the process (eg, , some steps are omitted, or the order of which is changed) may be inferred, but the present invention includes all the inferred implementation methods, and the technical characteristics are limited only to the implementation method shown in FIG. 3 doesn't happen

Referring to FIG. 3 , the management module 150 provided in the battery pack device 100 checks whether the battery pack is in a charging state through at least one power terminal among the +/- pack power terminals 140 of the battery pack. do (300).

If the battery pack is in the charging state, the management module 150 determines the (M*N) voltage values for each (M*N) battery cells 110 collected in the charging state of the battery pack. Calculate the voltage difference during charging between the battery cells 110 for the battery cells 110 ( 305 ), and determine whether the calculated voltage difference between the battery cells 110 during charging matches a preset effective balance range during charging A balance check is performed ( 310 ).

If the voltage difference during charging between the battery cells 110 matches the effective balance range during charging, the management module 150 maintains the charging state of the power of the battery pack (315), and the designated communication module 145 ) through which the state management information including the balance state information corresponding to the state in which the voltage difference between the battery cells 110 is matched to the effective balance range during charging to the designated management server 195 can be performed. There is (320). In this case, the management server 195 receives the state management information from the battery pack device 100 through a communication network ( 335 ), and stores and manages the state management information in a designated storage medium ( 340 ).

On the other hand, when the voltage difference during charging between the battery cells 110 does not match the effective balance range during charging, the management module 150 cuts off power charging of the battery pack (325), and/or designated communication Management server ( 195), a procedure of forwarding may be performed (330). In this case, the management server 195 receives the state management information from the battery pack device 100 through a communication network ( 335 ), and stores and manages the state management information in a designated storage medium ( 340 ).

4 is a diagram illustrating a process of managing the temperature balance during charging of the battery pack device 100 according to an embodiment of the present invention.

In more detail, FIG. 4 shows that the management module 150 manages the temperature balance state during charging of the battery pack device 100 by using the temperature values for each (M*s) sensors collected from the M battery modules 105 . As an illustration of the process, those skilled in the art will The modified implementation method) can be inferred, but the present invention is made including all the inferred implementation methods, and the technical characteristics are not limited to the implementation method shown in FIG. 4 alone.

Referring to FIG. 4 , the management module 150 provided in the battery pack device 100 checks whether the battery pack is in a charging state through at least one power terminal among the +/- pack power terminals 140 of the battery pack. do (400).

If the battery pack is in the charging state, the management module 150 performs the (M*s) temperature sensors (M*s) based on the temperature values for each (M*s) sensors collected in the charging state of the battery pack. 130), calculates a temperature difference between sensors during charging (405), and performs a balance check to determine whether the calculated temperature difference between sensors during charging matches a preset effective balance range during charging (410).

If the temperature difference during charging between the sensors matches the effective balance range during charging, the management module 150 maintains the charging state of the power of the battery pack (415), and the sensor through the designated communication module 145 A procedure of transferring state management information including balance state information corresponding to a state in which the temperature difference during charging matches the effective balance range during charging to the designated management server 195 may be performed ( 420 ). In this case, the management server 195 receives the state management information from the battery pack device 100 through a communication network ( 435 ), and stores and manages the state management information in a designated storage medium ( 440 ).

On the other hand, if the temperature difference during charging between the sensors does not match the effective balance range during charging, the management module 150 cuts off power charging of the battery pack (425), and/or a designated communication module (145) A procedure of transferring the state management information including the balance state information corresponding to the state in which the temperature difference between the sensors during charging does not match the effective balance range during charging to the management server 195 to the designated management server 195 through may (430). In this case, the management server 195 receives the state management information from the battery pack device 100 through a communication network ( 435 ), and stores and manages the state management information in a designated storage medium ( 440 ).

5 is a diagram illustrating a process of managing the balance of the battery cells 110 after the battery pack device 100 is charged according to an embodiment of the present invention.

In more detail, FIG. 5 shows that the management module 150 uses the voltage values for each (M*N) battery cells 110 collected from the M battery modules 105 after charging the battery pack device 100 . As showing the process of managing the balance state for each cell 110, those skilled in the art to which the present invention pertains may refer to and/or modify this FIG. 5 to see various implementation methods for the process (eg, , an implementation method in which some steps are omitted or the order is changed), but the present invention is made including all implementation methods inferred above, and the technical characteristics are limited only to the implementation method shown in FIG. 5 doesn't happen

Referring to FIG. 5 , the management module 150 provided in the battery pack device 100 has an open circuit when the battery pack is in a charged state through at least one power terminal among the +/- pack power terminals 140 of the battery pack. It is checked whether the state is changed (500).

If the battery pack is switched from the charged state to the open-circuit state, the management module 150 is configured to perform the above-mentioned voltage values for each (M*N) battery cells 110 collected in the switched open-circuit state. Calculate the voltage difference after charging between the battery cells 110 for (M * N) battery cells 110 ( 505 ), and the calculated voltage difference between the battery cells 110 after charging is a preset effective balance after charging A balance check is performed to determine whether the range is matched ( 510 ).

If the voltage difference after charging between the battery cells 110 matches the effective balance range after charging, the management module 150 determines the voltage difference between the battery cells 110 after charging through the designated communication module 145 . After charging, a procedure of transferring the state management information including the balance state information corresponding to the state matched to the effective balance range to the designated management server 195 may be performed (515). In this case, the management server 195 receives the state management information from the battery pack device 100 through a communication network ( 530 ), and stores and manages the state management information in a designated storage medium ( 535 ).

On the other hand, when the voltage difference between the battery cells 110 after charging does not match the effective balance range after charging, the management module 150 sets the lowest voltage among the voltage values for each (M*N) battery cells 110 . Based on the value, a specified load is applied to i(1≤i<(N*M)) battery cells 110 that are out of the effective balance range after charging, and the voltage value of the i battery cells 110 is set to the lowest voltage value After the charging based on the balancing within the effective balance range (520).

If the process of balancing the voltage values of the i battery cells 110 is completed or stopped (eg, when the battery pack is switched to a charged state or a discharged state during balancing), the management module 150 is The procedure of transferring the state management information including the state management information including the balance state information corresponding to the state in which the voltage values of the i battery cells 110 is balanced through the communication module 145 to the designated management server 195 can be performed (525). In this case, the management server 195 receives the state management information from the battery pack device 100 through a communication network ( 530 ), and stores and manages the state management information in a designated storage medium ( 535 ).

6 is a diagram illustrating a process of managing the temperature balance after charging of the battery pack device 100 according to an embodiment of the present invention.

In more detail, FIG. 6 shows the temperature balance state for each sensor after the battery pack device 100 is charged by the management module 150 using the (M*s) temperature values for each sensor collected from the M battery modules 105 . As an illustration of a process for managing a , those of ordinary skill in the art to which the present invention pertains, refer to and/or modify this figure 6 to various implementation methods for the process (eg, some steps are omitted, or or an implementation method in which the order is changed) may be inferred, but the present invention includes all of the inferred implementation methods, and the technical characteristics are not limited only to the implementation method illustrated in FIG. 6 .

Referring to FIG. 6 , the management module 150 provided in the battery pack device 100 has an open circuit when the battery pack is in a charged state through at least one power terminal among the +/- pack power terminals 140 of the battery pack. It is checked whether the state is changed (600).

If the battery pack is switched from the charged state to the open circuit state, the management module 150 is configured to perform the (M*s) temperature values for each (M*s) sensor collected in the switched open circuit state. ) calculates the temperature difference between the sensors after charging for the temperature sensors 130 ( 605 ), and performs a balance check to determine whether the calculated temperature difference between the sensors after charging matches a preset effective balance range after charging ( 610).

If the temperature difference between the sensors after charging matches the effective balance range after charging, the management module 150 sets the temperature difference between the sensors after charging through the designated communication module 145 to match the effective balance range after charging. A procedure of transferring the state management information including the balance state information corresponding to the state to the designated management server 195 may be performed (615). In this case, the management server 195 receives the state management information from the battery pack device 100 through a communication network (625), and stores and manages the state management information in a designated storage medium (630).

On the other hand, if the temperature difference after charging between the sensors does not match the effective balance range after charging, the management module 150 matches the temperature difference between the sensors after charging through the designated communication module 145 to the temperature balance range after charging A procedure of transferring the state management information including the balance state information corresponding to the not-noted state to the designated management server 195 may be performed (620). In this case, the management server 195 receives the state management information from the battery pack device 100 through a communication network (625), and stores and manages the state management information in a designated storage medium (630).

7 is a diagram illustrating a process of managing the balance of the battery cells 110 during discharging of the battery pack device 100 according to an embodiment of the present invention.

In more detail, FIG. 7 shows that the management module 150 uses the voltage values for each (M*N) battery cells 110 collected from the M battery modules 105 during discharging of the battery pack device 100 . As showing the process of managing the balance state for each cell 110, those of ordinary skill in the art to which the present invention pertains may refer to and/or modify this FIG. 7 to see various implementation methods for the process (eg, , an implementation method in which some steps are omitted or the order is changed), but the present invention is made including all the implementation methods inferred above, and the technical characteristics are limited only to the implementation method shown in FIG. 7 doesn't happen

Referring to FIG. 7 , the management module 150 provided in the battery pack device 100 checks whether the battery pack is in a discharging state through at least one power terminal among the +/- pack power terminals 140 of the battery pack. do (700).

If the battery pack is in the discharging state, the management module 150 determines (M*N) based on the voltage values for each (M*N) battery cells 110 collected in the discharging state of the battery pack. Calculating the voltage difference during discharging between the battery cells 110 for the battery cells 110 ( 705 ), and determining whether the calculated voltage difference during discharging between the battery cells 110 matches a preset effective balance range during discharging A balance check is performed (710).

If the voltage difference during discharging between the battery cells 110 matches the effective balance range during discharging, the management module 150 maintains the power discharging state of the battery pack (715), and the designated communication module 145 ) through which the state management information including the balance state information corresponding to the state in which the voltage difference during discharging between the battery cells 110 matches the effective balance range during discharging to the designated management server 195 can be performed. There is (720). In this case, the management server 195 receives the status management information from the battery pack device 100 through a communication network ( 735 ), and stores and manages the status management information in a designated storage medium ( 740 ).

On the other hand, when the voltage difference during discharging between the battery cells 110 does not match the effective balance range during discharging, the management module 150 reduces or blocks the discharging of the power of the battery pack at a preset rate (725). ), and/or through the designated communication module 145, the voltage difference between the battery cells 110 during discharging does not match the effective balance range during discharging. A procedure of transferring the information to the management server 195 may be performed at ( 195 ) ( 730 ). In this case, the management server 195 receives the status management information from the battery pack device 100 through a communication network ( 735 ), and stores and manages the status management information in a designated storage medium ( 740 ).

8 is a diagram illustrating a process of managing the temperature balance during discharging of the battery pack device 100 according to an embodiment of the present invention.

In more detail, FIG. 8 shows that the management module 150 manages the temperature balance state during discharging of the battery pack device 100 by using the temperature values for each (M*s) sensors collected from the M battery modules 105 . As an illustration of the process of the present invention, those of ordinary skill in the art to which the present invention pertains may refer to and/or modify this figure 8 to see various implementation methods for the process (eg, some steps are omitted, or order The changed implementation method) can be inferred, but the present invention includes all the inferred implementation methods, and the technical characteristics are not limited only to the implementation method illustrated in FIG. 8 .

Referring to FIG. 8 , the management module 150 provided in the battery pack device 100 checks whether the battery pack is in a discharging state through at least one power terminal among the +/- pack power terminals 140 of the battery pack. do (800).

If the battery pack is in the discharging state, the management module 150 is configured to use the (M*s) temperature sensors ( 130), a temperature difference during discharge between the sensors is calculated (805), and a balance check is performed to determine whether the calculated temperature difference during discharge between the sensors matches a preset effective balance range during discharge (810).

If the temperature difference during discharging between the sensors matches the effective balance range during discharging, the management module 150 maintains the power discharging state of the battery pack (815), and the sensor through the designated communication module 145 A procedure of transferring state management information including balance state information corresponding to a state in which the temperature difference during discharging matches the effective balance range during discharging to the designated management server 195 may be performed ( 820 ). In this case, the management server 195 receives the state management information from the battery pack device 100 through a communication network ( 835 ), and stores and manages the state management information in a designated storage medium ( 840 ).

On the other hand, when the temperature difference during discharging between the sensors does not match the effective balance range during discharging, the management module 150 reduces or blocks power discharging of the battery pack at a preset rate (825), and/ Alternatively, the state management information including the balance state information corresponding to the state in which the temperature difference during discharge between the sensors does not match the effective balance range during discharge through the designated communication module 145 is transferred to the designated management server 195 by the management server 195 ) to perform a procedure for transferring (830). In this case, the management server 195 receives the state management information from the battery pack device 100 through a communication network ( 835 ), and stores and manages the state management information in a designated storage medium ( 840 ).

9 is a diagram illustrating a process of managing the balance of the battery cells 110 after the battery pack device 100 is discharged according to an embodiment of the present invention.

In more detail, FIG. 9 shows that the management module 150 uses the voltage values for each (M*N) battery cells 110 collected from the M battery modules 105 after discharging the battery pack device 100 . As showing a process of managing the balance state for each cell 110, those of ordinary skill in the art to which the present invention pertains may refer to and/or modify this FIG. 9 to perform various implementation methods (eg, , some steps are omitted, or the order of which is changed) may be inferred, but the present invention is made including all the inferred implementation methods, and the technical characteristics are limited only to the implementation method shown in FIG. 9 doesn't happen

Referring to FIG. 9 , the management module 150 provided in the battery pack device 100 is an open circuit when the battery pack is discharged through at least one power terminal among the +/- pack power terminals 140 of the battery pack. It is checked whether the state is changed (900).

If the battery pack is switched from the discharged state to the open circuit state, the management module 150 is configured based on the voltage values for each (M*N) battery cells 110 collected in the switched open circuit state. Calculate the voltage difference after discharging between the battery cells 110 for (M*N) battery cells 110 ( 905 ), and the calculated voltage difference between the battery cells 110 after discharging is a preset effective balance after discharging A balance check is performed to determine whether the range is matched ( 910 ).

If the voltage difference after discharging between the battery cells 110 matches the effective balance range after discharging, the management module 150 determines the voltage difference between the battery cells 110 after discharging through the designated communication module 145 . After discharging, a procedure of transferring the state management information including the balance state information corresponding to the state matched to the effective balance range to the designated management server 195 may be performed (915). In this case, the management server 195 receives the state management information from the battery pack device 100 through a communication network ( 930 ), and stores and manages the state management information in a designated storage medium ( 935 ).

On the other hand, when the voltage difference after discharging between the battery cells 110 does not match the effective balance range after discharging, the management module 150 sets the lowest voltage among the voltage values for each (M*N) battery cells 110 . After discharging based on the value, a specified load is applied to j (1≤j<(N*M)) battery cells 110 that are out of the effective balance range, and the voltage value of the j battery cells 110 is set to the lowest voltage value. After the discharge based on the balancing within the effective balance range (920).

If the process of balancing the voltage values of the j battery cells 110 is completed or stopped (eg, when the battery pack is switched to a charged state or a discharged state during balancing), the management module 150 is The procedure of transferring the state management information including the state management information including the balance state information corresponding to the state in which the voltage values of the j battery cells 110 is balanced through the communication module 145 to the designated management server 195 can be performed (92). In this case, the management server 195 receives the state management information from the battery pack device 100 through a communication network ( 930 ), and stores and manages the state management information in a designated storage medium ( 935 ).

10 is a diagram illustrating a process of managing the temperature balance after discharging of the battery pack device 100 according to an embodiment of the present invention.

In more detail, FIG. 10 shows the temperature balance state for each sensor after the management module 150 discharges the battery pack device 100 using (M*s) temperature values for each sensor collected from the M battery modules 105 . As an illustration of the process of managing the , those of ordinary skill in the art to which the present invention pertains, refer to and/or modify this figure 10 to various implementation methods for the process (eg, some steps are omitted, Or the implementation method in which the order is changed) may be inferred, but the present invention includes all the inferred implementation methods, and the technical characteristics are not limited only to the implementation method illustrated in FIG. 10 .

Referring to FIG. 10 , the management module 150 provided in the battery pack device 100 is an open circuit when the battery pack is discharged through at least one power terminal among the +/- pack power terminals 140 of the battery pack. It is checked whether the state is changed (1000).

If the battery pack is switched from the discharged state to the open circuit state, the management module 150 performs the (M*s) temperature values for each (M*s) sensor collected in the switched open circuit state. ) calculates the temperature difference after discharging between the sensors for the temperature sensors 130 ( 1005 ), and performs a balance check to determine whether the calculated temperature difference between the sensors after discharging matches a preset effective balance range after discharging ( 1010).

If the temperature difference after discharging between the sensors matches the effective balance range after discharging, the management module 150 determines that the temperature difference after discharging between the sensors is matched to the effective balance range after discharging through the designated communication module 145 A procedure of transferring the state management information including the balance state information corresponding to the state to the designated management server 195 may be performed (1015). In this case, the management server 195 receives the state management information from the battery pack device 100 through a communication network (1025), and stores and manages the state management information in a designated storage medium (1030).

On the other hand, if the temperature difference after discharging between the sensors does not match the effective balance range after discharging, the management module 150 matches the temperature difference between the sensors after discharging through the designated communication module 145 to the temperature balance range after discharging A procedure of transferring the state management information including the balance state information corresponding to the not-noted state to the designated management server 195 may be performed (1020). In this case, the management server 195 receives the state management information from the battery pack device 100 through a communication network (1025), and stores and manages the state management information in a designated storage medium (1030).

100: battery pack device 105: banner Lee module
110: battery cell 115: frame
120: cell terminal 125: module power terminal
130: temperature sensor 135: sensor terminal
140: pack power terminal 145: communication module
150: management module 154: cell voltage collection unit
158: temperature collection unit 162: pack voltage calculation unit
166: pack current measurement unit 170: pack remaining amount calculation unit
174: cell balance management unit 178: temperature balance management unit
182: communication processing unit 190: housing unit
195: management server

Claims (43)

M (M ≥ 1) battery modules having N (N ≥ 2) battery cells,
A communication module that can be connected to a designated communication network;
It is connected to at least one power terminal among the +/- pack power terminals for charging or discharging the battery pack, and collects (M*N) voltage values for each battery cell from the M battery modules, and collects the (M*N) voltage values for each battery cell through the communication module. A battery pack device (Battery Back) including a management module for performing a procedure for transferring state management information including balance state information including voltage values for each M*N battery cells to a designated management server; and
A balance management system for a battery pack device including a;
According to claim 1, wherein the battery module,
A balance management system for a battery pack device, characterized in that it includes a state in which the battery manufacturer's case and the battery manufacturer's management module (BMS) are separated from the vehicle waste battery pack recovered after being used in an eco-friendly vehicle.
According to claim 1, wherein the battery module,
A balance management system for a battery pack device comprising N battery cells manufactured by a battery manufacturer, and including a state in which the case and the management module of the battery manufacturer are not mounted or removed.
The method of claim 1,
The battery module further includes s temperature sensors provided in the specified s (s ≥ 1) parts,
The management module, the balance management system of the battery pack device, characterized in that it further comprises a function of collecting (M * s) temperature values for each sensor from the s sensors provided in the M battery modules.
According to claim 1, wherein the management module,
Connection structure information corresponding to a combination of the cell connection structure of the N battery cells provided in the battery module and the module connection structure of the M battery modules is stored, and based on the connection structure information, the (M*N) batteries A balance management system for a battery pack device, characterized in that it further comprises a function of calculating a battery pack voltage value by reading a voltage value for each cell.
According to claim 1, wherein the management module,
In the case of collecting the voltage values for each of the (M*N) battery cells, the battery pack is connected through at least one power terminal among the +/- pack power terminals in order to reduce the error of the voltage values for each of the (M*N) battery cells. A balance management system for a battery pack device, characterized in that it does not measure the voltage value.
According to claim 1, wherein the management module,
Check whether the battery pack power is being charged or discharged through the +/- pack power terminal,
When the battery pack is in an open circuit state that is neither charging nor discharging power,
Checking the battery pack voltage value calculated using the voltage values for each (M * N) battery cells collected in the open circuit state,
Further comprising a function of calculating the remaining amount of the open circuit battery pack corresponding to the relationship between the fully charged voltage or fully discharged voltage of the battery pack and the identified battery pack voltage value,
The state management information, the balance management system of the battery pack device, characterized in that it further comprises the calculated remaining amount of the battery pack.
According to claim 1, wherein the management module,
Check whether the battery pack power is being charged or discharged through the +/- pack power terminal,
When charging the battery pack power,
Checking the remaining amount of the open circuit battery pack calculated based on the battery pack voltage value calculated through the voltage values for each (M * N) battery cells collected immediately before charging the battery pack power as the reference remaining amount before charging,
Checking the battery pack voltage value calculated by using the voltage value for each (M * N) battery cells collected for each specified period while the battery pack power is being charged,
Checking the battery pack current value measured for each unit time specified through at least one power terminal among the +/− pack power terminals in a state in which the battery pack power is being charged,
Calculating the amount of battery pack charging power for each designated unit time based on the identified battery pack voltage value and battery pack current value in a state in which the battery pack power is being charged,
The method further includes a function of calculating the remaining amount of the battery pack during charging by accumulatively adding up the ratio of the remaining amount corresponding to the amount of charging power of the battery pack calculated for each designated unit time to the checked reference remaining amount before charging,
The state management information, the balance management system of the battery pack device, characterized in that it further comprises the calculated remaining amount of the battery pack.
According to claim 1, wherein the management module,
Check whether the battery pack power is being charged or discharged through the +/- pack power terminal,
When the battery pack power is being discharged,
Check the remaining amount of the open circuit battery pack calculated based on the battery pack voltage value calculated through the voltage values for each (M * N) battery cells collected immediately before discharging the battery pack power as the reference remaining amount before discharging,
Checking the battery pack voltage value calculated by using the voltage value for each (M*N) battery cells collected for each specified period in a state in which the battery pack power is being discharged,
Checking the battery pack current value measured for each designated unit time through at least one power terminal among the +/- pack power terminals in a state in which the battery pack power is being discharged,
Calculating the amount of discharging power of the battery pack for each designated unit time based on the confirmed battery pack voltage value and the battery pack current value in a state in which the battery pack power is being discharged,
The method further includes a function of calculating the remaining amount of the battery pack during discharging by cumulatively subtracting the ratio of the remaining amount corresponding to the amount of discharged power of the battery pack calculated for each designated unit time from the confirmed reference remaining amount before discharging,
The state management information is a balance management system for a battery pack device, characterized in that it further comprises the calculated remaining amount of the battery pack.
According to claim 1, wherein the communication module,
Balance management system of the battery pack device, characterized in that it comprises a wireless communication module for communicating with the designated management server via the designated wireless communication network.
According to claim 1, wherein the communication module,
Balance management system of the battery pack device, characterized in that it comprises a wired communication module for communicating with the specified management server via the specified wired communication network.
According to claim 1, wherein the communication module,
Balance management system of the battery pack device, characterized in that it comprises a short-range wireless communication module for communicating with the designated management server via the designated short-distance wireless communication.
The method of claim 1,
The balance management system for a battery pack device, characterized in that it further comprises a housing for housing the battery pack configuration including the M number of battery modules and the management module.
According to claim 1, wherein the management module,
The balance management system for a battery pack device, characterized in that it further comprises a function of managing the voltage balance state for each (M*N) battery cells by using the collected voltage values for each (M*N) battery cells.
According to claim 1, wherein the management module,
When s temperature values are sensed and collected through s temperature sensors provided in s (s≥1) specified parts of the M battery modules,
The battery, characterized in that it further comprises a function of managing the temperature balance state for each (M*s) sensor using the temperature value for each (M*s) sensor collected from the s sensor for each M battery module. The balance management system of the RickPak device.
15. The method of claim 14, wherein the management module,
Based on the voltage values for each (M*N) battery cells collected while the battery pack power is being charged through the +/- pack power terminal, the voltage during charging between the (M*N) battery cells calculate the difference,
performing a balance check to determine whether the calculated voltage difference during charging between the battery cells matches a preset effective balance range during charging;
and a function of blocking power charging using the pack power terminal when the voltage difference during charging between the battery cells does not match the effective balance range during charging.
The method of claim 16, wherein the management module,
When the voltage difference during charging between the battery cells does not match the effective balance range during charging, a balance state corresponding to a state in which the voltage difference between the battery cells during charging through the communication module does not match the effective balance range during charging A balance management system for a battery pack device, characterized in that it includes a function of performing a procedure for transferring the state management information including the information to a designated management server.
The method of claim 16, wherein the management module,
When the voltage difference during charging between the battery cells matches the effective balance range during charging, the function of maintaining power charging using the pack power terminal until the calculated battery pack voltage reaches a preset charging completion voltage The balance management system of the battery pack device, characterized in that it comprises.
The method of claim 16, wherein the management module,
When the voltage difference during charging between the battery cells matches the effective balance range during charging, balance state information corresponding to a state in which the voltage difference between the battery cells during charging matches the effective balance range during charging through the communication module A balance management system for a battery pack device, characterized in that it includes a function of performing a procedure for transferring the included state management information to a designated management server.
15. The method of claim 14, wherein the management module,
Check that the battery pack power is switched from charging state to open circuit state through the +/- pack power terminal,
When the battery pack power is switched from the charging state to the open circuit state, the (M*N) battery cells are stored based on the voltage values for each (M*N) battery cells collected in the switched open circuit state. Calculate the voltage difference after charging between battery cells for
performing a balance check to determine whether the calculated voltage difference after charging between the battery cells matches a preset effective balance range after charging;
If the voltage difference after charging between the battery cells does not match the effective balance range after charging, i(1) out of the effective balance range after charging based on the lowest voltage value among the voltage values for each (M*N) battery cells ≤ i<(N*M)) by applying a specified load to the battery cells, and balancing the voltage values of the i battery cells within an effective balance range after charging based on the lowest voltage value. A balance management system for battery pack devices.
The method of claim 20, wherein the management module,
If the voltage difference after charging between the battery cells does not match the effective balance range after charging, the balance state corresponding to the state in which the voltage difference between the battery cells after charging through the communication module does not match the effective balance range after charging A balance management system for a battery pack device, characterized in that it includes a function of performing a procedure for transferring the state management information including the information to a designated management server.
The method of claim 20, wherein the management module,
When the voltage difference after charging between the battery cells matches the effective balance range after charging, the balance state information corresponding to the state in which the voltage difference after charging between the battery cells matches the effective balance range after charging through the communication module A balance management system for a battery pack device, characterized in that it includes a function of performing a procedure for transferring the included state management information to a designated management server.
The method of claim 20, wherein the management module,
When balancing the voltage values of the i battery cells out of the effective balance range after charging, a management server designated with state management information including balance state information corresponding to a state in which the voltage values of the i battery cells are balanced through the communication module Balance management system of the battery pack device, characterized in that it comprises a function to perform the procedure for delivering to.
The method of claim 15, wherein the management module,
Calculate the temperature difference during charging between the (M*s) sensors based on the temperature values for each (M*s) sensors collected while charging the battery pack power through the +/- pack power terminal,
A balance check is performed to determine whether the calculated temperature difference during charging between the sensors matches a preset temperature balance range during charging,
and a function of blocking power charging using the pack power terminal when the temperature difference during charging between the sensors does not match the temperature balance range during charging.
The method of claim 24, wherein the management module,
When the temperature difference during charging between the sensors does not match the temperature balance range during charging, balance state information corresponding to the state in which the temperature difference between the sensors during charging does not match the temperature balance range during charging through the communication module A balance management system for a battery pack device, characterized in that it includes a function of performing a procedure for transferring the included state management information to a designated management server.
The method of claim 24, wherein the management module,
When the temperature difference during charging between the sensors matches the temperature balance range during charging, it includes a function of maintaining power charging using the pack power terminal until the calculated battery pack voltage reaches a preset charging completion voltage. The balance management system of the battery pack device, characterized in that made by.
The method of claim 24, wherein the management module,
When the temperature difference during charging between the sensors matches the temperature balance range during charging, the communication module includes balance state information corresponding to the state in which the temperature difference between the sensors during charging matches the temperature balance range during charging A balance management system for a battery pack device, characterized in that it includes a function of performing a procedure for transferring the state management information to a designated management server.
The method of claim 15, wherein the management module,
Check that the battery pack power is switched from charging state to open circuit state through the +/- pack power terminal,
When the battery pack power is switched from the charging state to the open circuit state, the temperature values for the (M*s) temperature sensors are based on the temperature values for each (M*s) sensors collected in the switched open circuit state. Calculate the temperature difference between the sensors after charging,
A balance check is performed to determine whether the calculated temperature difference after charging between the sensors matches a preset temperature balance range after charging,
If the temperature difference after charging between the sensors does not match the temperature balance range after charging, balance state information corresponding to the state in which the temperature difference between the sensors after charging does not match the temperature balance range after charging through the communication module A balance management system for a battery pack device, characterized in that it includes a function of performing a procedure for transferring the included state management information to a designated management server.
The method of claim 28, wherein the management module,
When the temperature difference after charging between the sensors matches the temperature balance range after charging, the temperature difference after charging between the sensors through the communication module includes balance state information corresponding to a state matching the temperature balance range after charging A balance management system for a battery pack device, characterized in that it includes a function of performing a procedure for transferring the state management information to a designated management server.
15. The method of claim 14, wherein the management module,
The voltage during discharging between battery cells for the (M*N) battery cells based on the voltage values for each (M*N) battery cells collected while discharging the battery pack power through the +/- pack power terminal calculate the difference,
performing a balance check to determine whether the calculated voltage difference during discharging between the battery cells matches a preset effective balance range during discharging;
and a function of reducing or blocking power discharge using the pack power terminal at a preset rate when the voltage difference during discharging between the battery cells does not match the effective balance range during discharging. 's balance management system.
The method of claim 30, wherein the management module,
When the voltage difference during discharging between the battery cells does not match the effective balance range during discharging, the balance state corresponding to the state in which the voltage difference during discharging between the battery cells does not match the effective balance range during discharging through the communication module A balance management system for a battery pack device, characterized in that it includes a function of performing a procedure for transferring the state management information including the information to a designated management server.
The method of claim 30, wherein the management module,
When the voltage difference during discharging between the battery cells matches the effective balance range during discharging, the function of maintaining power discharging using the pack power terminal until the calculated battery pack voltage reaches a preset discharging voltage. The balance management system of the battery pack device, characterized in that it comprises.
The method of claim 30, wherein the management module,
When the voltage difference during discharging between the battery cells matches the effective balance range during discharging, balance state information corresponding to the state in which the voltage difference during discharging between the battery cells matches the effective balance range during discharging through the communication module A balance management system for a battery pack device, characterized in that it includes a function of performing a procedure for transferring the included state management information to a designated management server.
15. The method of claim 14, wherein the management module,
Check whether the battery pack power is switched from discharging to open circuit through the +/- pack power terminal,
When the battery pack power is switched from the discharging state to the open circuit state, the (M*N) battery cells are stored on the basis of the voltage values for each (M*N) battery cells collected in the switched open circuit state. Calculate the voltage difference after discharging between battery cells for
performing a balance check to determine whether the calculated voltage difference after discharging between the battery cells matches a preset effective balance range after discharging;
If the voltage difference after discharging between the battery cells does not match the effective balance range after discharging, j(1) out of the effective balance range after discharging based on the lowest voltage value among the voltage values for each (M*N) battery cells ≤j<(N*M)) by applying a specified load to the battery cells, and balancing the voltage values of the j battery cells within an effective balance range after discharging based on the lowest voltage value. A balance management system for battery pack devices.
35. The method of claim 34, wherein the management module,
When the voltage difference after discharging between the battery cells does not match the effective balance range after discharging, the balance state corresponding to the state in which the voltage difference after discharging between the battery cells through the communication module does not match the effective balance range after discharging A balance management system for a battery pack device, characterized in that it includes a function of performing a procedure for transferring the state management information including the information to a designated management server.
35. The method of claim 34, wherein the management module,
When the voltage difference after discharging between the battery cells matches the effective balance range after discharging, the balance state information corresponding to the state in which the voltage difference after discharging between the battery cells matches the effective balance range after discharging through the communication module A balance management system for a battery pack device, characterized in that it includes a function of performing a procedure for transferring the included state management information to a designated management server.
35. The method of claim 34, wherein the management module,
When the voltage values of j battery cells out of the effective balance range are balanced after the discharge, state management information including balance state information corresponding to the state in which the voltage values of the j battery cells are balanced through the communication module is designated by a management server Balance management system of the battery pack device, characterized in that it comprises a function to perform the procedure for delivering to.
The method of claim 15, wherein the management module,
Calculate the temperature difference during discharging between the (M*s) sensors based on the temperature values for each (M*s) sensors collected while discharging the battery pack power through the +/- pack power terminal,
performing a balance check to determine whether the calculated temperature difference during discharge between the sensors matches a preset temperature balance range during discharge;
When the temperature difference during discharging between the sensors does not match the temperature balance range during discharging, the battery pack device, characterized in that it comprises a function of reducing or blocking power discharge using the pack power terminal at a preset rate. balance management system.
The method of claim 38, wherein the management module,
When the temperature difference during discharging between the sensors does not match the temperature balance range during discharging, balance state information corresponding to the state in which the temperature difference during discharging between the sensors does not match the temperature balance range during discharging through the communication module A balance management system for a battery pack device, characterized in that it includes a function of performing a procedure for transferring the included state management information to a designated management server.
The method of claim 38, wherein the management module,
When the temperature difference during discharging between the sensors matches the temperature balance range during discharging, it includes a function of maintaining power discharging using the pack power terminal until the calculated battery pack voltage reaches a preset discharging completion voltage. The balance management system of the battery pack device, characterized in that made by.
The method of claim 38, wherein the management module,
When the temperature difference during discharging between the sensors matches the temperature balance range during discharging, the communication module includes balance state information corresponding to the state in which the temperature difference during discharging between the sensors matches the temperature balance range during discharging A balance management system for a battery pack device, characterized in that it includes a function of performing a procedure for transferring the state management information to a designated management server.
The method of claim 15, wherein the management module,
Check whether the battery pack power is switched from discharging to open circuit through the +/- pack power terminal,
When the battery pack power is switched from the discharging state to the open circuit state, the temperature values for the (M*s) temperature sensors are measured based on the temperature values for each (M*s) sensors collected in the switched open circuit state. Calculate the voltage difference after discharging between the sensors,
A balance test is performed to determine whether the calculated voltage difference after discharging between the sensors matches a preset temperature balance range after discharging,
When the voltage difference after the discharging between the sensors does not match the temperature balance range after discharging, the balance state information corresponding to the state in which the voltage difference after discharging between the sensors does not match the post-discharging temperature balance range through the communication module A balance management system for a battery pack device, characterized in that it includes a function of performing a procedure for transferring the included state management information to a designated management server.
43. The method of claim 42, wherein the management module,
When the voltage difference after discharging between the sensors matches the temperature balance range after discharging, the voltage difference after discharging between the sensors through the communication module includes balance state information corresponding to a state matching the temperature balance range after discharging A balance management system for a battery pack device, characterized in that it includes a function of performing a procedure for transferring the state management information to a designated management server.

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