CN113246798A - Battery pack management system and battery pack management method - Google Patents
Battery pack management system and battery pack management method Download PDFInfo
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- CN113246798A CN113246798A CN202110544186.7A CN202110544186A CN113246798A CN 113246798 A CN113246798 A CN 113246798A CN 202110544186 A CN202110544186 A CN 202110544186A CN 113246798 A CN113246798 A CN 113246798A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a battery pack management system and a battery pack management method, wherein the battery pack management system comprises at least one battery pack management unit and a battery cluster management unit, wherein the battery pack management unit communicates with a battery manager of any one power battery pack to acquire battery information of the power battery pack, allocates a communication address according to the battery information, converts the battery information into standard format data, and sends the communication address and the standard format data to the battery cluster management unit; and the battery cluster management unit generates a corresponding control instruction according to the standard format data and sends the control instruction to the battery pack management unit according to the communication address. From this, through using battery package management system in trading the power station, compare with prior art, battery package management system can be connected with the different model power battery package communication of different producers to can trade the electric process to manage to different power battery package, thereby can realize trading the high-efficient operation of power station.
Description
Technical Field
The invention relates to the field of batteries, in particular to a battery pack management system and a battery pack management method corresponding to the battery pack management system.
Background
For a vehicle using the quick-change power battery pack, the power battery pack of the vehicle can be replaced in the battery replacement station, the battery replacement station can replace the power battery pack with low electric quantity on the vehicle, the power battery pack with high electric quantity can be replaced on the vehicle, and meanwhile, the replaced power battery pack can be charged or discharged.
In the related technology, the existing power battery pack is manufactured by different manufacturers, the power battery packs of different models of different manufacturers are provided with different control architectures and communication protocols, the existing battery pack management system is not easy to be in communication connection with the power battery pack, the power battery pack management difficulty can be caused, the power battery pack can not be matched with proper charging or discharging power, the service life of the power battery pack can be influenced, and the management efficiency of the power battery pack can be reduced.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, an object of the present invention is to provide a battery pack management system, which can realize efficient operation of a battery replacement station.
According to the battery pack management system, the battery pack management system comprises at least one battery pack management unit and a battery cluster management unit, wherein the battery pack management unit is communicated with a battery manager of any one power battery pack to acquire battery information of the power battery pack, allocates a communication address according to the battery information, converts the battery information into standard format data, and sends the communication address and the standard format data to the battery cluster management unit; and the battery cluster management unit generates a corresponding control instruction according to the standard format data and sends the control instruction to the battery pack management unit according to the communication address so that the battery pack management unit can control the power battery pack according to the control instruction.
According to the battery pack management system, the battery pack management system is used in the battery changing station, compared with the prior art, the battery pack management system can be in communication connection with power battery packs of different models of different manufacturers, and can manage the battery changing process of different power battery packs, so that the efficient operation of the battery changing station can be realized.
In some examples of the present invention, the battery pack management unit communicates with the battery manager of any one of the power battery packs using different communication methods, and communicates with the battery cluster management unit using a unified standard communication method.
In some examples of the present invention, the battery pack management unit is further configured to determine identity information of the power battery pack according to the battery information, and assign the communication address according to the identity information of the power battery pack.
In some examples of the present invention, the battery pack management unit is further configured to determine physical location information of the power battery pack according to the battery information, and assign the communication address according to the physical location information of the power battery pack.
In some examples of the invention, the battery pack management unit is further configured to cut off the power supply of the battery manager to disconnect the power battery pack from an electrical system when an abnormality occurs in the battery pack management system.
In some examples of the present invention, the battery pack management unit is further configured to reset the charge/discharge protection threshold of the power battery pack according to the control instruction, and send the reset charge/discharge protection threshold of the power battery pack to the battery manager.
The battery pack management method according to the present invention includes: the method comprises the steps that communication is carried out through a battery manager of any one power battery pack to obtain battery information of the power battery pack, a communication address is distributed according to the battery information, and the battery information is converted into standard format data; sending the communication address and the standard format data to a battery cluster management unit so that the battery cluster management unit generates a corresponding control instruction according to the standard format data and issues the control instruction according to the communication address; and receiving the control instruction, and controlling the power battery pack according to the control instruction.
According to the battery pack management method, the battery pack management method is used on the battery pack management system, compared with the prior art, the battery pack management method can enable the battery pack management system to be in communication connection with power battery packs of different models of different manufacturers, and can manage the battery replacement process of different power battery packs, so that the efficient operation of a battery replacement station can be realized.
In some examples of the invention, assigning a communication address based on the battery information comprises: and determining the identity information of the power battery pack according to the battery information, and distributing the communication address according to the identity information of the power battery pack.
In some examples of the invention, assigning a communication address based on the battery information comprises: and determining the physical position information of the power battery pack according to the battery information, and distributing the communication address according to the physical position information of the power battery pack.
In some examples of the invention, the power supply of the battery manager is cut off when the battery pack management system is abnormal, so that the power battery pack is disconnected from an electrical system.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a block diagram of a battery pack management system in connection with a battery manager according to an embodiment of the present invention;
fig. 2 is a flowchart of a battery pack management method according to an embodiment of the present invention.
Reference numerals:
a battery pack management system 100;
a battery pack management unit 10; a battery cluster management unit 20; a battery manager 30.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
A battery pack management system 100 according to an embodiment of the present invention is described below with reference to fig. 1 and 2.
As shown in fig. 1 and 2, according to the battery pack management system 100 of the embodiment of the present invention, the battery pack management system 100 includes at least one battery pack management unit 10 and a battery cluster management unit 20, wherein, the battery pack management unit 10 communicates with the battery manager 30 of any power battery pack to acquire the battery information of the power battery pack, and the battery pack management unit 10 assigns a communication address according to the battery information, and the battery pack management unit 10 converts the battery information into standard format data, and the battery pack management unit 10 transmits the communication address and the standard format data to the battery cluster management unit 20, the battery cluster management unit 20 generates a corresponding control instruction according to the standard format data, and the battery cluster management unit 20 sends a control instruction to the battery pack management unit 10 according to the communication address so that the battery pack management unit 10 controls the power battery pack according to the control instruction.
In order to ensure that the battery replacement station provides a battery replacement service for a plurality of power battery packs simultaneously and to reduce the management and construction cost of the battery replacement station, preferably, the battery pack management system 100 may be provided with a plurality of battery pack management units 10 and a battery cluster management unit 20, the plurality of battery pack management units 10 may respectively establish communication connection with the plurality of power battery packs, and the battery cluster management unit 20 may control the plurality of battery pack management units 10, so as to improve the battery replacement efficiency of the battery replacement station, for example, as shown in fig. 1, the battery pack management system 100 may include a battery cluster management unit 20 and n battery pack management units 10, the n battery pack management units 10 may be respectively numbered as a first battery pack management unit 10 to an nth battery pack management unit 10, the n battery pack management units 10 may be respectively in communication connection with the battery managers 30 of the n power battery packs, a battery manager 30 is communicatively coupled to a battery pack management unit 10. When the power battery pack is connected to the battery swapping interface of the battery swapping station, the battery pack management unit 10 may turn on the control circuit of the battery manager 30 of the power battery pack, and may wake up the battery manager 30. After the battery manager 30 is awakened, the battery pack management unit 10 may establish a communication with the battery manager 30, the battery pack management unit 10 may obtain battery information of the power battery pack through the battery manager 30, and the battery pack management unit 10 may convert the obtained battery information into standard format data used by the battery pack management system 100, which may facilitate the unified collection and management of the battery cluster management unit 20. The battery information may include: the method comprises the following steps of production information of the power battery pack, rated battery replacement power of the power battery pack, battery electric quantity of the power battery pack, a control mode of the power battery pack, a communication protocol of the power battery pack and the like.
Moreover, the battery pack management unit 10 may assign a communication address to the power battery pack according to the battery information, so as to facilitate the management of the power battery pack by the battery pack management system 100. Meanwhile, the battery pack management unit 10 sends the communication address and the standard format data to the battery pack management unit 20, and after the battery pack management unit 20 receives the information acquired by different battery pack management units 10, the battery pack management unit 20 may send different control instructions to different battery pack management units 10, so that the battery pack management unit 10 controls the battery manager 30 to conduct a high-voltage circuit between the power battery pack and the power change station, and thus the power change between the power battery pack and the power change station may be completed, wherein the power change process between the power battery pack and the power change station includes discharging the power battery pack to the power change station and/or charging the power battery pack by the power change station.
Compared with the prior art, by using the battery pack management system 100 in the battery replacement station, the battery pack management system 100 can be in communication connection with power battery packs of different models of different manufacturers, thereby improving the service range of the battery replacement station, the battery pack management system 100 can also allocate communication addresses to the power battery packs, and the acquired battery information can be converted into the standard format data used by the battery pack management system 100, so that the management difficulty of the battery pack management system 100 on the power battery packs of different users is reduced, thereby reducing the maintenance cost of the battery pack management system 100, and the battery pack management system 100 can generate different control commands according to the battery information, therefore, the battery replacement efficiency of the battery replacement station can be improved, and the influence of unmatched battery replacement power of the power battery pack on the performance of the power battery pack can be reduced.
Therefore, by using the battery pack management system 100 in the battery replacement station, compared with the prior art, the battery pack management system 100 can be in communication connection with power battery packs of different models of different manufacturers, and can manage the battery replacement process of different power battery packs, so that the efficient operation of the battery replacement station can be realized.
In some embodiments of the present invention, the battery pack management unit 10 may communicate with the battery manager 30 of any one of the power battery packs using different communication methods, and communicate with the battery cluster management unit 20 using a unified standard communication method. Specifically, the battery pack management unit 10 may be provided with a plurality of toggle switches, the plurality of toggle switches correspond to a plurality of communication modes, the plurality of toggle switches may respectively attempt communication connection with the power battery pack, when the toggle switches are turned on, the battery pack management unit 10 may adopt the communication mode corresponding to the turned on toggle switches to be in communication connection with the battery manager 30, so that the technical effects of communication between the battery pack management unit 10 and power battery packs of different manufacturers and different models may be achieved. Moreover, the unified standard communication mode is adopted between the plurality of battery pack management units 10 and the battery cluster management unit 20, so that the battery cluster management unit 20 can conveniently control the battery pack management units 10, the management difficulty of the battery cluster management unit 20 on the plurality of battery pack management units 10 can be reduced, and the communication efficiency inside the battery pack management system 100 can also be improved.
In some embodiments of the present invention, the battery pack management unit 10 may be further configured to determine identity information of the power battery pack according to the battery information, and may assign a communication address according to the identity information of the power battery pack. The identity information of the power battery pack can be obtained through the production information of the power battery pack in the battery information, the identity information of the power battery pack can include a manufacturer of the power battery pack, a model of the power battery pack, a production number of the power battery pack and the like, the battery pack management unit 10 can allocate a communication address for the power battery pack according to the identity information of the power battery pack, the communication address can be recorded by the battery pack management system 100, and when the power battery pack enters the switching point station again for switching, the battery pack management system 100 can arrange a proper switching strategy for the power battery pack through the communication address, so that the management efficiency of the battery pack management system 100 can be further improved.
In some embodiments of the present invention, the battery pack management unit 10 may be further configured to determine physical location information of the power battery pack according to the battery information, and assign a communication address according to the physical location information of the power battery pack. The physical location information of the power battery pack may be an IP address of battery manager 30, or the physical location information of the power battery pack may also be a gateway address of battery manager 30. Under the condition that the battery pack management unit 10 cannot acquire the identity information of the power battery pack, the battery pack management unit 10 may allocate a communication address to the power battery pack through the physical location information of the battery pack, so that it may be ensured that the power battery packs in the battery replacement station all have separate communication addresses, and further management confusion of the battery pack management system 100 is prevented.
In some embodiments of the present invention, the battery pack management unit 10 may be further configured to cut off the power supply of the battery manager 30 when an abnormality occurs in the battery pack management system 100, so as to disconnect the power battery pack from the electrical system. The battery pack management unit 10 may supply current to the control circuit of the battery manager 30. When the control circuit of the battery manager 30 is turned on, the battery manager 30 may be awakened, and the battery pack management unit 10 may close the relay in the battery pack through the battery manager 30, so as to communicate the high-voltage circuit of the power battery pack with the electrical system of the power conversion station, thereby achieving a working effect of performing power conversion between the power battery pack and the power conversion station. When the battery manager 30 fails or the battery pack management system 100 fails, for example, when the battery manager 30 reports a failure, the temperature of the battery pack abnormally rises or the electric quantity of the battery pack abnormally changes, the battery pack management unit 10 may cut off the power supply of the battery manager 30 to disconnect the power battery pack from the electric system, so that the safety of devices in the power conversion station may be ensured and the power battery pack may be prevented from being damaged.
In some embodiments of the present invention, the battery pack management unit 10 may be further configured to reset the charge/discharge protection threshold of the power battery pack according to the control instruction, and send the reset charge/discharge protection threshold of the power battery pack to the battery manager 30. Wherein, the battery pack management unit 10 can determine the model of the power battery pack according to the battery information, the power changing strategy suitable for the power battery pack can be formulated according to the model of the power battery pack, the power changing strategy of the power battery pack comprises setting of a charging and discharging protection threshold value of the power battery pack, including a charging and discharging current threshold value of the power battery pack, a charging and discharging voltage threshold value of the power battery pack and a charging and discharging power of the power battery pack, the charging and discharging protection threshold value of the power battery pack can be set according to the using condition of the power battery pack, and can also be uniformly set according to the model of the power battery pack, and the power battery pack can be more easily adapted to different application scenes after the charging and discharging protection threshold value of the power battery pack is reset, therefore, the battery replacement efficiency of the battery pack management system 100 can be improved, the service life of the power battery pack can be prolonged, and the battery performance can be improved.
A battery pack management method according to an embodiment of the present invention, which can be implemented by the battery pack management system of the above-described embodiment, is described below with reference to fig. 2.
As shown in fig. 2, a battery pack management method according to an embodiment of the present invention includes:
and S1, acquiring the battery information of the power battery pack by communicating with the battery manager of any power battery pack, allocating a communication address according to the battery information, and converting the battery information into standard format data. The battery pack management unit is suitable for communicating with a battery manager of any power battery pack, can communicate with the battery manager of any power battery pack in different communication modes to acquire battery information of the power battery pack, and allocates a communication address according to the battery information and converts the battery information into data in a standard format.
And S2, sending the communication address and the standard format data to the battery cluster management unit so that the battery cluster management unit can generate a corresponding control instruction according to the standard format data and issue the control instruction according to the communication address. It should be noted that the battery pack management unit communicates with the battery cluster management unit in a unified standard communication manner, and sends the communication address and the standard format data to the battery cluster management unit, and the battery cluster management unit generates a corresponding control instruction according to the standard format data.
And S3, receiving the control command and controlling the power battery pack according to the control command. Specifically, the battery cluster management unit sends a control instruction to the battery pack management unit according to the communication address, so that the battery pack management unit controls the power battery pack according to the control instruction.
The battery pack management system can be provided with at least one battery pack management unit and a battery cluster management unit, in order to ensure that the battery replacement station provides battery replacement service for a plurality of power battery packs simultaneously, and in order to reduce the management and construction cost of the battery replacement station, preferably, the battery pack management system can be provided with a plurality of battery pack management units and one battery cluster management unit, the plurality of battery pack management units can be respectively in communication connection with the plurality of power battery packs, and one battery cluster management unit can control the plurality of battery pack management units, so that the battery replacement efficiency of the battery replacement station can be improved. When the power battery pack is connected with the battery replacing interface of the battery replacing station, the battery pack management unit can conduct the control circuit of the battery manager of the power battery pack and can wake up the battery manager. When the battery manager is awakened, the battery pack management unit can establish communication with the battery manager, the battery pack management unit can acquire battery information of the power battery pack through the battery manager, the battery pack management unit can convert the acquired battery information into standard format data used by a battery pack management system, and unified collection and management of the battery cluster management unit can be facilitated. The battery information may include: the method comprises the following steps of production information of the power battery pack, rated battery replacement power of the power battery pack, battery electric quantity of the power battery pack, a control mode of the power battery pack, a communication protocol of the power battery pack and the like. Moreover, the battery pack management unit can allocate a communication address to the power battery pack according to the battery information, and a battery pack management system can manage the power battery pack conveniently. Meanwhile, the battery pack management unit sends the communication address and the standard format data to the battery pack management unit, and after the battery pack management unit receives the information acquired by different battery pack management units, the battery pack management unit can send different control instructions to different battery pack management units so that the battery pack management unit controls the battery manager to conduct a high-voltage circuit between the power battery pack and the battery changing station, and therefore battery changing between the power battery pack and the battery changing station can be completed.
Compared with the prior art, by using the battery pack management method in the battery changing station, the battery pack management method can be in communication connection with power battery packs of different models of different manufacturers, so that the service range of the battery changing station can be enlarged, communication addresses can be allocated to the power battery packs, the acquired battery information can be converted into standard format data used by a battery pack management system, the management difficulty of the battery pack management system on the power battery packs of different users is reduced, the maintenance cost of the battery pack management system can be reduced, the battery pack management system can also generate different control instructions according to the battery information, the battery changing efficiency of the battery changing station can be improved, and the influence of unmatched battery changing power of the power battery packs on the performance of the power battery packs can be reduced.
Therefore, compared with the prior art, the battery pack management method can be in communication connection with power battery packs of different models of different manufacturers, and can manage the battery replacement process of different power battery packs, so that efficient operation of a battery replacement station can be realized.
It should be noted that the battery pack management unit can be provided with a plurality of toggle switches, the plurality of toggle switches correspond to a plurality of communication modes, the plurality of toggle switches can respectively try communication connection with the power battery pack, when the toggle switches are switched on, the battery pack management unit can adopt the communication mode corresponding to the switched-on toggle switches to be in communication connection with the battery manager, and therefore the technical effects of communication between the battery pack management unit and the power battery packs of different manufacturers and different models can be achieved. Moreover, the plurality of battery pack management units and the battery cluster management unit are all in a unified standard communication mode, so that the battery cluster management unit can conveniently control the battery pack management units, the management difficulty of the battery cluster management units on the plurality of battery pack management units can be reduced, and the communication efficiency of the battery pack management system can also be improved.
In some embodiments of the invention, assigning the communication address based on the battery information comprises: and determining the identity information of the power battery pack according to the battery information, and allocating a communication address according to the identity information of the power battery pack. The identity information of the power battery pack can be obtained through the production information of the power battery pack in the battery information, the identity information of the power battery pack can comprise a manufacturer of the power battery pack, the model of the power battery pack, the production number of the power battery pack and the like, the battery pack management unit can allocate a communication address for the power battery pack according to the identity information of the power battery pack, the communication address can be recorded by a battery pack management system, and when the power battery pack enters the point-changing station again for changing the power, the battery pack management method can arrange a proper power changing strategy for the power battery pack through the communication address, so that the management efficiency of the battery pack management system can be further improved.
In some embodiments of the invention, assigning the communication address based on the battery information comprises: and determining the physical position information of the power battery pack according to the battery information, and allocating a communication address according to the physical position information of the power battery pack. The physical location information of the power battery pack may be an IP address of the battery manager, and the physical location information of the power battery pack may also be a gateway address of the battery manager. Under the condition that the battery pack management unit cannot acquire the identity information of the power battery pack, the battery pack management unit can allocate communication addresses to the power battery pack through the physical position information of the battery pack, so that the power battery packs in the battery replacement station can be guaranteed to have independent communication addresses, and management confusion of a battery pack management system according to the battery pack management method can be prevented.
In some embodiments of the invention, the power supply of the battery manager is switched off when an abnormality occurs in the battery pack management system to disconnect the power battery pack from the electrical system. The battery pack management unit can supply current to the control circuit of the battery manager. When the control circuit of the battery manager is conducted, the battery manager can be awakened, and the battery pack management unit can close the relay in the battery pack through the battery manager so as to communicate the high-voltage loop of the power battery pack with the electric system of the power conversion station, so that the working effect of power conversion of the power battery pack and the power conversion station can be achieved. When a problem occurs in the battery manager or the battery pack management system, for example, the battery manager reports a fault, the temperature of the battery pack abnormally rises or the electric quantity of the battery pack does not change, the battery pack management method can cut off the power supply of the battery manager through the battery pack management unit so as to disconnect the power battery pack from the electric system, thereby ensuring the safety of equipment in the power conversion station and preventing the power battery pack from being damaged.
As some embodiments of the present application, the battery pack management method of the present invention may further include: and resetting the charge and discharge protection threshold value of the power battery pack according to the control instruction, and sending the reset charge and discharge protection threshold value of the power battery pack to the battery manager. The battery pack management unit can determine the model of the power battery pack according to the battery information, and can formulate a battery replacement strategy suitable for the power battery pack according to the model of the power battery pack, the battery replacement strategy of the power battery pack comprises setting a charge-discharge protection threshold of the power battery pack, including a charge-discharge current threshold of the power battery pack, a charge-discharge voltage threshold of the power battery pack and a charge-discharge power of the power battery pack, the charge-discharge protection threshold of the power battery pack can be set according to the service condition of the power battery pack, and can also be uniformly set according to the model of the battery pack, and the power battery pack can be more easily adapted to different application scenes after resetting the charge-discharge protection threshold of the power battery pack, therefore, the battery replacement efficiency of the battery pack management system can be improved, the service life of the power battery pack can be prolonged, and the battery performance can be improved.
In the description of the present invention, "a plurality" means two or more.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A battery pack management system (100) comprising at least one battery pack management unit (10) and a battery cluster management unit (20), wherein,
the battery pack management unit (10) is communicated with a battery manager (30) of any power battery pack to acquire battery information of the power battery pack, allocates a communication address according to the battery information, converts the battery information into standard format data, and sends the communication address and the standard format data to the battery cluster management unit (20);
the battery cluster management unit (20) generates a corresponding control instruction according to the standard format data, and sends the control instruction to the battery pack management unit (10) according to the communication address, so that the battery pack management unit (10) controls the power battery pack according to the control instruction.
2. The battery pack management system (100) of claim 1, wherein the battery pack management unit (10) communicates with the battery manager (30) of any one of the power battery packs using a different communication scheme and communicates with the battery cluster management unit (20) using a unified standard communication scheme.
3. The battery pack management system (100) according to claim 1 or 2, wherein the battery pack management unit (10) is further configured to determine identity information of the power battery pack according to the battery information, and to assign the communication address according to the identity information of the power battery pack.
4. The battery pack management system (100) according to claim 1 or 2, wherein the battery pack management unit (10) is further configured to determine physical location information of the power battery pack based on the battery information and to assign the communication address based on the physical location information of the power battery pack.
5. The battery pack management system (100) according to claim 1 or 2, wherein the battery pack management unit (10) is further configured to cut off the power supply of the battery manager (30) to disconnect the power battery pack from the electrical system when an abnormality occurs in the battery pack management system (100).
6. The battery pack management system (100) according to claim 1 or 2, wherein the battery pack management unit (10) is further configured to reset the charge/discharge protection threshold of the power battery pack according to the control instruction and send the reset charge/discharge protection threshold of the power battery pack to the battery manager (30).
7. A battery pack management method, comprising:
the method comprises the steps that battery information of any power battery pack is obtained through communication with a battery manager (30) of the power battery pack, a communication address is distributed according to the battery information, and the battery information is converted into standard format data;
sending the communication address and the standard format data to a battery cluster management unit (20), so that the battery cluster management unit (20) generates a corresponding control instruction according to the standard format data and issues the control instruction according to the communication address;
and receiving the control instruction, and controlling the power battery pack according to the control instruction.
8. The battery pack management method according to claim 7, wherein assigning a communication address based on the battery information comprises:
and determining the identity information of the power battery pack according to the battery information, and distributing the communication address according to the identity information of the power battery pack.
9. The battery pack management method according to claim 7, wherein assigning a communication address based on the battery information comprises:
and determining the physical position information of the power battery pack according to the battery information, and distributing the communication address according to the physical position information of the power battery pack.
10. The battery pack management method according to any one of claims 7 to 9, wherein the power supply of the battery manager (30) is cut off to disconnect the power battery pack from an electrical system when an abnormality occurs in the battery pack management system (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110544186.7A CN113246798A (en) | 2021-05-19 | 2021-05-19 | Battery pack management system and battery pack management method |
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Application publication date: 20210813 |