CN114301135B - Charging and discharging control method and device for charging and discharging pile, main control unit and storage medium - Google Patents
Charging and discharging control method and device for charging and discharging pile, main control unit and storage medium Download PDFInfo
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Abstract
The application provides a charge-discharge control method and device of a charge-discharge pile, a main control unit and a storage medium, and relates to the technical field of new energy automobile charging. The method comprises the following steps: receiving battery parameter information of charging and discharging equipment connected to a charging and discharging pile; determining the number of expected charge and discharge modules and the residual charge and discharge duration of the battery of the charge and discharge equipment according to the battery parameter information; acquiring a noise value of the charging and discharging pile when the charging and discharging pile works currently, wherein the noise value is detected by a sound detection unit arranged in the charging and discharging pile; determining the number of actual charge and discharge modules according to the noise value, the number of expected charge and discharge modules and the remaining charge and discharge time length of the battery; and controlling the charge and discharge modules in the actual charge and discharge module number to charge and discharge the battery of the charge and discharge equipment. According to the scheme, the number of actual charging and discharging modules is flexibly adjusted, the noise generated by the charging and discharging pile during working is effectively reduced, and meanwhile, the charging and discharging efficiency of the charging and discharging equipment is ensured.
Description
Technical Field
The application relates to the technical field of charging of new energy automobiles, in particular to a charging and discharging control method and device of a charging and discharging pile, a main control unit and a storage medium.
Background
In recent years, along with the increasing popularization of new energy electric vehicles, more and more high-power charging and discharging piles are widely applied to living areas, industrial areas and special parking lots distributed in cities, and provide convenient charging services for electric vehicles of different brands.
However, when the charging and discharging pile works, the charging and discharging module inside the charging and discharging pile can generate loud noise, so that the life of people can be puzzled.
Accordingly, there is a need to provide a method for solving the noise generated by the charge-discharge piles.
Disclosure of Invention
The application aims to overcome the defects in the prior art and provide a charge-discharge control method and device for a charge-discharge pile, a main control unit and a storage medium, so as to solve the problem of noise generated by the charge-discharge pile.
In order to achieve the above purpose, the technical scheme adopted by the embodiment of the application is as follows:
in a first aspect, an embodiment of the present application provides a charge-discharge control method for a charge-discharge pile, where the method includes:
receiving battery parameter information of charging and discharging equipment connected to a charging and discharging pile;
determining the number of expected charge and discharge modules and the residual charge and discharge duration of the battery of the charge and discharge equipment according to the battery parameter information;
Acquiring a noise value of the charging and discharging pile when the charging and discharging pile works currently, wherein the noise value is detected by a sound detection unit arranged in the charging and discharging pile;
determining the number of actual charge and discharge modules according to the noise value, the number of expected charge and discharge modules and the remaining charge and discharge time length of the battery;
and controlling the charge and discharge modules in the number of the actual charge and discharge modules to charge and discharge the battery of the charge and discharge equipment.
Optionally, the determining the number of actual charge and discharge modules according to the noise value, the number of expected charge and discharge modules, and the remaining charge and discharge duration of the battery includes:
and if the noise value is smaller than or equal to a preset noise threshold value, determining that the actual number of the charge and discharge modules is the expected number of the charge and discharge modules.
Optionally, the determining the number of actual charge and discharge modules according to the noise value, the number of expected charge and discharge modules, and the remaining charge and discharge duration of the battery further includes:
if the noise value is larger than the preset noise threshold, judging whether the residual charge-discharge duration of the battery is larger than a preset residual charge-discharge duration threshold;
if yes, determining the number of the actual charge and discharge modules as the number obtained by subtracting 1 from the number of the expected charge and discharge modules.
Optionally, the method further comprises:
acquiring a noise update value of the charging and discharging pile when the charging and discharging modules of the actual number of the charging and discharging modules are charged and discharged;
if the noise updating value is larger than the preset noise threshold value and the remaining charge-discharge time length of the battery is larger than the remaining charge-discharge time length threshold value, subtracting 1 from the actual charge-discharge module number to obtain a new actual charge-discharge module number;
and controlling the charge and discharge modules of the new actual charge and discharge module number to charge and discharge the battery of the charge and discharge equipment.
Optionally, the determining the number of the expected charge and discharge modules according to the battery parameter information includes:
calculating to obtain the power value required by the battery according to rated voltage and rated current;
and calculating the number of expected charge and discharge modules according to the power value required by the battery and the power value of each charge and discharge module.
Optionally, the determining the remaining charge-discharge duration of the battery according to the battery parameter information includes:
and calculating the residual charge and discharge duration of the battery according to the rated capacity, the current battery capacity and the power value required by the battery.
Optionally, the battery parameter information includes at least one of: rated capacity, current battery capacity, rated voltage, rated current.
In a second aspect, an embodiment of the present application further provides a charging and discharging control device for a charging and discharging pile, where the device includes:
the receiving module is used for receiving the battery parameter information of the charging and discharging equipment connected to the charging and discharging pile;
the determining module is used for determining the number of expected charging and discharging modules and the remaining charging and discharging duration of the battery of the charging and discharging equipment according to the battery parameter information;
the acquisition module is used for acquiring the noise value of the charging and discharging pile when the charging and discharging pile works currently, which is detected by the sound detection unit arranged in the charging and discharging pile;
the determining module is further configured to determine the number of actual charging and discharging modules according to the noise value, the number of expected charging and discharging modules, and the remaining charging and discharging duration of the battery;
and the control module is used for controlling the charge and discharge modules of the actual charge and discharge module number to charge and discharge the battery of the charge and discharge equipment.
Optionally, the determining module is further configured to:
and if the noise value is smaller than or equal to a preset noise threshold value, determining that the actual number of the charge and discharge modules is the expected number of the charge and discharge modules.
Optionally, the determining module is further configured to:
if the noise value is larger than the preset noise threshold, judging whether the residual charge-discharge duration of the battery is larger than a preset residual charge-discharge duration threshold;
If yes, determining the number of the actual charge and discharge modules as the number obtained by subtracting 1 from the number of the expected charge and discharge modules.
Optionally, the acquiring module is further configured to acquire a noise update value of the charge-discharge pile when the charge-discharge pile is charged and discharged by the charge-discharge modules with the actual number of charge-discharge modules;
the determining module is further configured to subtract 1 from the number of actual charge/discharge modules if the noise update value is greater than the preset noise threshold and the remaining charge/discharge time of the battery is greater than the remaining charge/discharge time threshold, so as to obtain a new number of actual charge/discharge modules;
the control module is also used for controlling the charge and discharge modules of the new actual charge and discharge module number to charge and discharge the battery of the charge and discharge equipment.
Optionally, the determining module is further configured to:
calculating to obtain a power value required by the battery according to the rated voltage and the rated current;
and calculating the number of expected charge and discharge modules according to the power value required by the battery and the power value of each charge and discharge module.
Optionally, the determining module is further configured to:
and calculating the residual charge-discharge duration of the battery according to the rated capacity, the current battery capacity and the power value required by the battery.
Optionally, the battery parameter information includes at least one of: rated capacity, current battery capacity, rated voltage, rated current.
In a third aspect, an embodiment of the present application further provides a master control unit, including: a processor, a storage medium and a bus, said storage medium storing machine-readable instructions executable by said processor, said processor and said storage medium communicating over the bus when the main control unit is running, said processor executing said machine-readable instructions to perform the steps of the method as provided in the first aspect above.
In a fourth aspect, embodiments of the present application also provide a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, performs the steps of the method as provided in the first aspect above.
The beneficial effects of the application are as follows:
the embodiment of the application provides a charge-discharge control method and device of a charge-discharge pile, a main control unit and a storage medium, wherein the method comprises the following steps: receiving battery parameter information of charging and discharging equipment connected to a charging and discharging pile; determining the number of expected charge and discharge modules and the residual charge and discharge duration of the battery of the charge and discharge equipment according to the battery parameter information; acquiring a noise value of the charging and discharging pile when the charging and discharging pile works currently, wherein the noise value is detected by a sound detection unit arranged in the charging and discharging pile; determining the number of actual charge and discharge modules according to the noise value, the number of expected charge and discharge modules and the remaining charge and discharge time length of the battery; and controlling the charge and discharge modules in the actual charge and discharge module number to charge and discharge the battery of the charge and discharge equipment. In the scheme, the number of actual charge and discharge modules is flexibly adjusted mainly by combining three measurement indexes of the noise value of the charge and discharge pile in the current working process, the expected number of charge and discharge modules and the remaining charge and discharge duration of the battery, so that the noise value of the charge and discharge pile in the working process can be effectively reduced, meanwhile, the charge and discharge efficiency of charge and discharge equipment can be ensured, and the noise problem of the charge and discharge pile is effectively solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a charge-discharge control system according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of an electronic device according to an embodiment of the present application;
fig. 3 is a schematic flow chart of a charge-discharge control method of a charge-discharge pile according to an embodiment of the present application;
fig. 4 is a schematic flow chart of another charge-discharge control method of a charge-discharge pile according to an embodiment of the present application;
fig. 5 is a schematic flow chart of a charge-discharge control method of a charge-discharge pile according to another embodiment of the present application;
fig. 6 is a schematic flow chart of another charge-discharge control method of a charge-discharge pile according to an embodiment of the present application;
fig. 7 is an overall flow chart of a charge-discharge control method of a charge-discharge pile according to an embodiment of the present application;
Fig. 8 is a schematic structural diagram of a charge-discharge control device for a charge-discharge pile according to an embodiment of the present application.
Icon: 100-a charge-discharge control system; 110-charging and discharging piles; 120-a charge-discharge device; 111-a master control unit; 112-a control unit; 113-a charge-discharge module; 114-a sound detection unit; 121-a battery management system; 122-battery.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present application, and it should be understood that the drawings in the present application are for the purpose of illustration and description only and are not intended to limit the scope of the present application. In addition, it should be understood that the schematic drawings are not drawn to scale. A flowchart, as used in this disclosure, illustrates operations implemented according to some embodiments of the present application. It should be understood that the operations of the flow diagrams may be implemented out of order and that steps without logical context may be performed in reverse order or concurrently. Moreover, one or more other operations may be added to or removed from the flow diagrams by those skilled in the art under the direction of the present disclosure.
In addition, the described embodiments are only some, but not all, embodiments of the application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present application.
It should be noted that the term "comprising" will be used in embodiments of the application to indicate the presence of the features stated hereafter, but not to exclude the addition of other features.
First, before developing a specific description of the technical solution provided by the present application, a brief description will be given of a related background related to the present application.
At present, when the charging and discharging pile is in a working state, the power module in the charging and discharging pile can generate larger noise, and then the life of people can be puzzled.
In order to solve the technical problems, the application provides a charge-discharge control method of a charge-discharge pile, so as to reduce noise pollution caused by the charge-discharge pile during operation.
The structure of a charge-discharge control system provided by the embodiment of the application is described by the following embodiment.
Referring to fig. 1, the charge and discharge control system provided by the application is mainly aimed at an application scenario of electric vehicle charging or electric vehicle discharging to a power grid (namely electric vehicle discharging).
Wherein, the charge and discharge control system 100 includes: inside the charge and discharge pile 110 are provided a main control unit 111, a control unit 112, a charge and discharge module 113, a sound detection unit 114, and a battery management system (Battery Management System, abbreviated as BMS) 121 and a battery 122 in the charge and discharge device 120.
For example, the charge and discharge device 120 may refer to a new energy electric vehicle. That is, the electric vehicle may be supplied with electric power through the "charge-discharge pile 110", or discharged to the power grid through the "charge-discharge pile 110".
The main control unit 111 is respectively connected to the control unit 112 and the sound detection unit 114 in a communication manner, and the control unit 112 is also connected to the charge/discharge module 113.
The main control unit 111 includes a user interface, charge and discharge logic management, and a BMS data processing module. The BMS data processing module is mainly used for calculating the remaining charge and discharge time of the battery.
The control unit 112 mainly monitors the operation state of the charge and discharge module 113 and analyzes BMS information in real time to ensure the safety of the battery during the charge and discharge process.
The sound detection unit 114 is mainly used for detecting a noise value generated inside the charging and discharging pile 101 during operation, and transmitting the detected noise value to the main control unit 111.
Specifically, the battery management system 121 in the charging and discharging device 120 is communicatively connected to the "main control unit 111 in the charging and discharging pile" through a controller area network (Controller Area Network, abbreviated as CAN) bus.
When the charge and discharge device 120 starts a charge and discharge operation, the battery management system 121 periodically transmits basic parameter information of the battery 122 to the main control unit 111 in the charge and discharge stake 110, the parameter information including: the rated capacity of the battery, the rated voltage, the current battery capacity, and the like.
Meanwhile, the sound detection unit 114 sends the detected noise value generated by the charging and discharging pile 101 during operation to the main control unit 111, and the main control unit 111 flexibly schedules the charging and discharging modules 113 required by the charging and discharging equipment 120 according to the received basic parameter information and the received noise value of the battery, so that the charging and discharging efficiency of the charging and discharging equipment 120 can be ensured, and the noise pollution caused by the charging and discharging pile 110 during operation can be effectively reduced.
It will be appreciated that the charge and discharge control system configuration described in fig. 1 is merely illustrative, and that the charge and discharge control system may also include more or fewer components than shown in fig. 1, or have a different configuration than shown in fig. 1. The components shown in fig. 1 may be implemented in hardware, software, or a combination thereof.
The main control unit structure in fig. 1 will be described as follows.
Fig. 2 is a schematic structural diagram of a main control unit according to an embodiment of the present application; the main control unit 111 may be a control device or a chip of the control device, for example, to implement the charge-discharge control method of the charge-discharge pile provided by the present application. As shown in fig. 2, the main control unit 111 includes: a processor 201, a memory 202, and a bus 203.
The processor 201 and the memory 202 are directly or indirectly electrically connected to each other to realize data transmission or interaction. For example, electrical connection may be made through one or more communication buses 203 or signal lines.
The processor 201 may be an integrated circuit chip with signal processing capability. The processor 201 may be a general-purpose processor including a central processing unit (Central Processing Unit, CPU), a network processor (Network Processor, NP), and the like. The disclosed methods, steps, and logic blocks in the embodiments of the present application may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The Memory 202 may be, but is not limited to, random access Memory (Random Access Memory, RAM), read Only Memory (ROM), programmable Read Only Memory (Programmable Read-Only Memory, PROM), erasable Read Only Memory (Erasable Programmable Read-Only Memory, EPROM), electrically erasable Read Only Memory (Electric Erasable Programmable Read-Only Memory, EEPROM), etc.
The memory 202 is used for storing a program, and the processor 201 calls the program stored in the memory 202 to execute the charge-discharge control method of the charge-discharge pile provided in the following embodiment.
The charge and discharge control method of the charge and discharge pile and the corresponding beneficial effects provided by the application are described below through a plurality of embodiments.
Fig. 3 is a schematic flow chart of a charge-discharge control method for a charge-discharge pile according to an embodiment of the present application, and optionally, an execution body of the method may be a control device such as the main control unit shown in fig. 1 and has a data processing function. It should be understood that in other embodiments, the sequence of some steps in the charge-discharge control method of the charge-discharge pile may be interchanged according to actual needs, or some steps may be omitted or deleted. As shown in fig. 3, the method includes:
S301, receiving battery parameter information of charging and discharging equipment connected to the charging and discharging pile.
Optionally, when the "charge-discharge device" needs to start charge-discharge operation, the charging gun on the side of the charge-discharge pile CAN be inserted into the charging interface of the "charge-discharge device", and at this time, the BMS in the "charge-discharge device" is connected with the charge-discharge pile through the CAN bus, and the BMS periodically transmits the basic parameter information of the battery to the main control unit in the charge-discharge pile.
S302, determining the number of expected charge and discharge modules and the remaining charge and discharge duration of the battery of the charge and discharge equipment according to the battery parameter information.
The number of the expected charge and discharge modules refers to the number of the charge and discharge modules which should be provided on the charge and discharge pile side according to the charge and discharge power required by the charge and discharge equipment. It is also understood that the greater the number of charge and discharge modules provided on the charge and discharge pile side, the higher the efficiency of the "charge and discharge device" to complete the charge and discharge operation when the charge power required for the "charge and discharge device" is fixed.
The remaining charge-discharge time period of the battery of the charge-discharge apparatus refers to a charge-discharge time period remaining when the battery of the current charge-discharge apparatus completes the charge-discharge operation.
In this embodiment, the main control unit may calculate, according to the battery parameter information, the number of the expected charge and discharge modules and the remaining charge and discharge duration of the battery of the charge and discharge device.
S303, acquiring a noise value of the charging and discharging pile when the charging and discharging pile currently works, wherein the noise value is detected by a sound detection unit arranged in the charging and discharging pile.
When the charging and discharging pile works, the charging and discharging module inside the charging and discharging pile can generate larger noise. For example, when the number of "charge and discharge modules" in the charge and discharge pile in an operating state is increased, the generated noise is correspondingly increased.
For example, the sound detection unit may be a device such as a noise meter, and may be used to detect a noise value generated when the charge-discharge pile is operated.
Therefore, in this embodiment, the main control unit also needs to obtain the noise value of the current working state of the charge-discharge pile detected by the sound detection unit in real time, so that the number of actual charge-discharge modules can be flexibly adjusted by combining the noise value of the current working state of the charge-discharge pile.
S304, determining the number of actual charge and discharge modules according to the noise value, the number of expected charge and discharge modules and the remaining charge and discharge duration of the battery.
In this embodiment, the main control unit needs to combine the noise value of the current working of the charging and discharging pile, the number of expected charging and discharging modules and the remaining charging and discharging time of the battery at the same time to flexibly adjust the number of actual charging and discharging modules, so that the noise value generated by the charging and discharging pile in working can be effectively reduced, and meanwhile, the charging and discharging efficiency of the charging and discharging equipment can be ensured.
It should be noted that, in one implementation, if the number of the expected charge and discharge modules required by the "charge and discharge device" is directly used, the battery of the charge and discharge device is charged and discharged, so that the maximum charge and discharge efficiency of the charge and discharge device can be ensured, but this also easily causes greater noise generated by the "charge and discharge pile".
Therefore, in this embodiment, it is proposed to combine the "noise value of the current working of the charge-discharge pile", "the number of expected charge-discharge modules", and "the remaining charge-discharge duration of the battery" simultaneously to determine the number of actual charge-discharge modules, so as to effectively reduce the noise caused by the "charge-discharge pile" during working.
S305, controlling the charge and discharge modules in the number of the actual charge and discharge modules to charge and discharge the battery of the charge and discharge equipment.
On the basis of the embodiment, after the number of the actual charge and discharge modules is determined, the main control unit of the charge and discharge pile sends a charge and discharge working instruction to the charge and discharge modules with the number of the actual charge and discharge modules through the control unit, so that the charge and discharge can be carried out to the battery of the charge and discharge equipment through the charge and discharge modules with the number of the actual charge and discharge modules, noise value generated by the charge and discharge pile during working can be effectively reduced, and meanwhile, the charge and discharge efficiency of the charge and discharge equipment can be ensured.
In summary, an embodiment of the present application provides a charge-discharge control method for a charge-discharge pile, including: receiving battery parameter information of charging and discharging equipment connected to a charging and discharging pile; determining the number of expected charge and discharge modules and the residual charge and discharge duration of the battery of the charge and discharge equipment according to the battery parameter information; acquiring a noise value of the charging and discharging pile when the charging and discharging pile works currently, wherein the noise value is detected by a sound detection unit arranged in the charging and discharging pile; determining the number of actual charge and discharge modules according to the noise value, the number of expected charge and discharge modules and the remaining charge and discharge time length of the battery; and controlling the charge and discharge modules in the actual charge and discharge module number to charge and discharge the battery of the charge and discharge equipment. In the scheme, the number of actual charge and discharge modules is flexibly adjusted mainly by combining three measurement indexes of the noise value of the charge and discharge pile in the current working process, the expected number of charge and discharge modules and the remaining charge and discharge duration of the battery, so that the noise value of the charge and discharge pile in the working process can be effectively reduced, meanwhile, the charge and discharge efficiency of charge and discharge equipment can be ensured, and the noise problem of the charge and discharge pile is effectively solved.
The following will be combined with three cases, and specifically explain how to determine the number of actual charge and discharge modules according to the noise value, the number of expected charge and discharge modules and the remaining charge and discharge duration of the battery.
Wherein the detected current noise value is noted as ADv; the preset noise threshold is denoted as ADset.
The remaining charge and discharge time of the battery is recorded as Tcharge; and recording a preset residual charge and discharge duration threshold as Tset.
The first case, when the detected current noise value is less than or equal to the preset noise threshold (ADv < = ADset), is specifically as follows:
optionally, determining the number of actual charge and discharge modules according to the noise value, the number of expected charge and discharge modules and the remaining charge and discharge duration of the battery includes:
if the noise value is smaller than or equal to the preset noise threshold value, determining the number of the actual charge and discharge modules as the number of the expected charge and discharge modules.
In this embodiment, the main control unit compares the noise value ADv of the current working state of the charging and discharging pile detected by the sound detection unit in real time with the preset noise threshold value ADset, and if the current detected noise value ADv is smaller than or equal to the preset noise threshold value ADset, that is ADv < = ADset, the main control unit can consider that the noise value ADv generated by the current charging and discharging pile is within an acceptable range, and the main control unit does not need to adjust the number of the charging and discharging modules in the charging and discharging pile. At this time, the number of actual charge and discharge modules, that is, the number of actual charge and discharge modules is the number of expected charge and discharge modules, can be further determined according to the number of expected charge and discharge modules required by the charge and discharge equipment.
The second case, when the detected current noise value is greater than the preset noise threshold (ADv > ADset), is specifically as follows:
as shown in fig. 4, the determining the number of actual charge and discharge modules according to the noise value, the number of expected charge and discharge modules, and the remaining charge and discharge time of the battery further includes:
s401, if the noise value is larger than a preset noise threshold, judging whether the residual charge-discharge duration of the battery is larger than a preset residual charge-discharge duration threshold.
In this embodiment, if the current detected noise value ADv is greater than the preset noise threshold ADset, that is ADv > ADset, the remaining charge-discharge duration of the battery needs to be further determined, and the remaining charge-discharge duration of the battery is compared with the preset remaining charge-discharge duration threshold, so that the number of actual charge-discharge modules is further determined according to the comparison result of the remaining charge-discharge duration of the battery and the preset remaining charge-discharge duration threshold.
And S402, if yes, determining that the number of the actual charge and discharge modules is the number obtained by subtracting 1 from the number of the expected charge and discharge modules.
Optionally, if the current detected noise value ADv is greater than the preset noise threshold ADset and the remaining charge-discharge duration tcarges of the battery is also greater than the preset remaining charge-discharge duration threshold Tset, that is, the current detected noise value ADv and the remaining charge-discharge duration tcarges of the battery are both greater than the respective preset thresholds, the number of charge-discharge modules in the charge-discharge pile that are in operation needs to be adjusted, and at this time, the actual number of charge-discharge modules Ract is the value obtained by subtracting 1 from the number of expected charge-discharge modules Rcau.
After the number of the actual charge and discharge modules is obtained in the step S402, the charge and discharge modules of the actual number of the charge and discharge modules are controlled to be started for charge and discharge. While these charge and discharge modules are in operation, the following embodiments are continued.
Specifically, after the actual number of charge/discharge modules (i.e., the value obtained by subtracting 1 from the expected number of charge/discharge modules Rcau) is obtained and the charge/discharge modules of the actual number of charge/discharge modules are started, the current detected noise value ADv and the remaining charge/discharge time length tcarget of the battery are continuously determined, so as to determine whether the current obtained actual number of charge/discharge modules is reasonable. The specific judging process is as follows:
as shown in fig. 5, after step S402, the method further includes:
s501, acquiring a noise update value of the charge-discharge pile when the charge-discharge pile is charged and discharged by the charge-discharge modules with the number of actual charge-discharge modules.
On the basis of the above embodiment, after the number of the actual charge and discharge modules is determined, the main control unit further needs to continuously read the noise update value of the charge and discharge piles detected by the sound detection unit when the charge and discharge piles are charged and discharged by the charge and discharge modules with the number of the actual charge and discharge modules, so as to determine whether the noise generated when the charge and discharge piles are charged and discharged by the charge and discharge modules with the number of the actual charge and discharge modules is within an acceptable range.
S502, judging whether the noise update value is larger than a noise threshold value.
S503, judging whether the residual charge-discharge time length of the battery is greater than a residual charge-discharge time length threshold value.
S504, if the noise updating value is larger than the noise threshold value and the remaining charge and discharge time length of the battery is larger than the remaining charge and discharge time length threshold value, subtracting 1 from the number of actual charge and discharge modules to obtain the new number of actual charge and discharge modules.
In one implementation manner, for example, if the detected noise update value is greater than the noise threshold and the remaining charge-discharge duration of the battery is also greater than the remaining charge-discharge duration threshold, this indicates that the noise generated when the charge-discharge pile charges and discharges with the charge-discharge modules of the actual charge-discharge module number has exceeded the acceptable range, and the remaining charge-discharge duration of the battery also exceeds the remaining charge-discharge duration threshold, that is, the main control unit still needs to continuously adjust the actual charge-discharge modules, reduce the actual charge-discharge module number by 1, obtain the new actual charge-discharge module number, until the noise update value when the charge-discharge pile charges and discharges with the charge-discharge modules of the "new actual charge-discharge module number" is less than the noise threshold, then the charge-discharge modules of the "new actual charge-discharge module number" are used to charge and discharge the battery of the charge-discharge device, so as to implement flexible adjustment of the actual charge-discharge module number in the charge-discharge pile, and effectively reduce the noise value generated when the charge-discharge pile works.
S505, the charge and discharge modules controlling the number of the new actual charge and discharge modules charge and discharge the battery of the charge and discharge equipment.
It should be noted that, the steps S501-S504 are loop execution processes. Specifically, after the main control unit controls the charge and discharge modules of the new actual number of charge and discharge modules to charge and discharge the battery of the charge and discharge equipment, the steps S501-S504 are circularly executed until the acquired noise update value of the charge and discharge pile when the charge and discharge modules of the actual number of charge and discharge modules are charged and discharged is smaller than the noise threshold value, and the steps S501-S504 are not required to be circularly executed.
In a third case, when the detected current noise value is greater than a preset noise threshold and the remaining charge-discharge duration of the battery is less than or equal to a remaining charge-discharge duration threshold (ADv > ADset, tcharge < =tset), the following is specific:
Optionally, in another implementation manner, if the noise value is greater than a preset noise threshold and the remaining charge-discharge duration of the battery is less than or equal to the remaining charge-discharge duration threshold, determining the number of actual charge-discharge modules as the number of expected charge-discharge modules.
In this embodiment, if the currently detected noise value ADv is greater than the set value ADset and the remaining charge-discharge duration tcarges of the battery is less than the remaining charge-discharge duration threshold Tset, the main control unit does not need to adjust the number of charge-discharge modules in the charge-discharge pile to work in order to save the charge-discharge time of the user and ensure the charge-discharge efficiency of the charge-discharge device. At this time, the actual number of the charge and discharge modules, that is, the actual number of the charge and discharge modules is the expected number of the charge and discharge modules, can be determined according to the expected number of the charge and discharge modules required by the charge and discharge equipment.
How to determine the number of expected charge and discharge modules and the remaining charge and discharge duration of the battery of the charge and discharge device according to the battery parameter information will be specifically explained by the following embodiments.
Optionally, the battery parameter information includes at least one of: rated capacity, current battery capacity, rated voltage, rated current.
Optionally, as shown in fig. 6, determining the number of expected charge and discharge modules according to the battery parameter information in the step S302 includes:
s302a, calculating the power value required by the battery according to the rated voltage and the rated current.
S302b, calculating the number of expected charge and discharge modules according to the power value required by the battery and the power value of each charge and discharge module.
In the present embodiment, the rated voltage U of the battery can be used Forehead (forehead) Rated current I Forehead (forehead) Calculating the power value required by the battery, i.e. P Forehead (forehead) ＝U Forehead (forehead) *I Forehead (forehead) 。
Assuming that the power values of the charge and discharge modules are P1, the number of charge and discharge modules rcau=p is expected Forehead (forehead) /P1。
In this embodiment, in order to ensure that the calculated number of expected charge and discharge modules is an integer, the result of the ratio of the "power value required by the battery" to the "power value of each charge and discharge module" is rounded, and then a value obtained by rounding and adding 1 is taken as the number of expected charge and discharge modules.
For example, the power required by the battery is 25KW, and the power of each charge/discharge module is 10KW, the ratio of "power required by the battery 25KW" to "power of each charge/discharge module 10KW" can be calculated to be 2.5, and then the value obtained by rounding 2.5 and adding 1 is 3. Therefore, the number of charge and discharge modules is expected to be 3.
Optionally, in step S302, determining the remaining charge-discharge duration of the battery according to the battery parameter information includes:
and calculating the residual charge and discharge duration of the battery according to the rated capacity, the current battery capacity and the power value required by the battery.
In the present embodiment, the remaining charge-discharge period tcharge= (1-current battery capacity) of the battery is rated capacity/power value required for the battery.
The following describes the overall flow of a charge-discharge control method for a charge-discharge pile according to an embodiment of the present application.
Fig. 7 is an overall flow chart of a charge-discharge control method of a charge-discharge pile according to an embodiment of the present application; alternatively, as shown in fig. 7, the method may include:
s701, receiving battery parameter information of charging and discharging equipment connected to the charging and discharging pile.
S702, determining the number of expected charge and discharge modules and the remaining charge and discharge duration of the battery of the charge and discharge equipment according to the battery parameter information.
S703, acquiring a noise value of the charging and discharging pile detected by the sound detection unit when the charging and discharging pile works currently.
S704, judging whether the noise value (or the noise update value) is larger than a noise threshold value, if so, executing step S705; if not, step S710 is performed.
Specifically, when the first cycle of entering is judged, whether the noise value is larger than the noise threshold value is judged; and when the main control unit performs subsequent loop judgment processing, judging whether the noise updating value is larger than a noise threshold value.
S705, judging whether the residual charge-discharge time length of the battery is greater than a residual charge-discharge time length threshold value, if yes, executing step S706; if not, step S709 is performed.
S706, subtracting 1 from the number of actual charge and discharge modules to obtain a new number of actual charge and discharge modules.
And S707, controlling the number of the new charging and discharging modules to charge and discharge the battery of the charging and discharging equipment.
S708, acquiring a noise update value of the charge-discharge pile when the charge-discharge pile is charged and discharged by the charge-discharge modules with the number of the actual charge-discharge modules, and jumping to step S704 to continuously judge whether the noise update value is larger than a noise threshold.
S709, the number of actual charge and discharge modules is the number of expected charge and discharge modules (or the new number of actual charge and discharge modules).
Specifically, when the first cycle is entered, if the noise value received by the main control unit for the first time is greater than the noise threshold, and the remaining charge-discharge duration of the battery is less than or equal to the remaining charge-discharge duration threshold, the number of actual charge-discharge modules is "the number of expected charge-discharge modules is determined according to the battery parameter information", that is, the number of actual charge-discharge modules is the number of expected charge-discharge modules.
If the first time of the cycle judgment is entered, if the noise value received by the main control unit is greater than the noise threshold value and the remaining charge and discharge time length of the battery is greater than the remaining charge and discharge time length threshold value, the number of new actual charge and discharge modules is obtained again, and the "noise update value" and the "remaining charge and discharge time length of the battery" are judged in a cycle until any condition that the "noise update value" is less than the noise threshold value or the "remaining charge and discharge time length of the battery" is less than or equal to the remaining charge and discharge time length threshold value is satisfied, and the number of actual charge and discharge modules is the "new actual charge and discharge module number" obtained by the final cycle judgment.
S710, the number of the actual charge and discharge modules is the number of the expected charge and discharge modules (or the number of new charge and discharge modules).
Specifically, when the cycle is judged for the first time, if the noise value received by the main control unit for the first time is smaller than or equal to the noise threshold value, the number of the actual charge and discharge modules is the number of the expected charge and discharge modules.
If the first time of the cycle judgment is entered, if the noise value received by the main control unit for the first time is greater than or equal to the noise threshold value and the remaining charge and discharge time length of the battery is greater than the remaining charge and discharge time length threshold value, the number of new actual charge and discharge modules is obtained again, and the "noise update value" and the "remaining charge and discharge time length of the battery" are judged in a cycle until any condition that the "noise update value" is less than the noise threshold value or the "remaining charge and discharge time length of the battery" is less than or equal to the remaining charge and discharge time length threshold value is satisfied, and the number of actual charge and discharge modules is the "new actual charge and discharge module number" obtained by the final cycle judgment.
S711, controlling the number of the charging and discharging modules to charge and discharge the battery of the charging and discharging equipment.
Optionally, the specific implementation steps and the beneficial effects of the method have been described in detail in the foregoing embodiments, which are not described in detail herein.
The following describes a charging and discharging control device, a storage medium, etc. for executing the charging and discharging pile provided by the present application, and specific implementation processes and technical effects thereof are referred to above, and are not described in detail below.
Fig. 8 is a schematic structural diagram of a charge-discharge control device for a charge-discharge pile according to an embodiment of the present application; as shown in fig. 8, the apparatus includes:
a receiving module 801, configured to receive battery parameter information of a charging and discharging device connected to the charging and discharging pile;
a determining module 802, configured to determine, according to the battery parameter information, the number of expected charge and discharge modules and a remaining charge and discharge duration of the battery of the charge and discharge device;
an obtaining module 803, configured to obtain a noise value of the charging and discharging pile when the charging and discharging pile currently works, where the noise value is detected by a sound detecting unit disposed in the charging and discharging pile;
the determining module 801 is further configured to determine the number of actual charging and discharging modules according to the noise value, the number of expected charging and discharging modules, and the remaining charging and discharging duration of the battery;
The control module 804 is configured to control the charge and discharge modules in the actual number of charge and discharge modules to charge and discharge the battery of the charge and discharge device.
Optionally, the determining module 802 is further configured to:
if the noise value is smaller than or equal to the preset noise threshold value, determining the number of the actual charge and discharge modules as the number of the expected charge and discharge modules.
Optionally, the determining module 802 is further configured to:
if the noise value is greater than a preset noise threshold, judging whether the residual charge-discharge duration of the battery is greater than a preset residual charge-discharge duration threshold;
if yes, determining that the number of the actual charge and discharge modules is the number obtained by subtracting 1 from the number of the expected charge and discharge modules.
Optionally, the obtaining module 803 is further configured to obtain a noise update value of the charge-discharge pile when the charge-discharge pile is charged and discharged by the charge-discharge modules with the actual number of charge-discharge modules;
the determining module 802 is further configured to decrease the number of actual charge and discharge modules by 1 if the noise update value is greater than the noise threshold and the remaining charge and discharge time length of the battery is greater than the remaining charge and discharge time length threshold, to obtain a new number of actual charge and discharge modules;
the control module 804 is further configured to control the charge and discharge modules of the new actual number of charge and discharge modules to charge and discharge the battery of the charge and discharge device.
Optionally, the determining module 802 is further configured to:
calculating to obtain a power value required by the battery according to rated voltage and rated current;
and calculating the number of the expected charge and discharge modules according to the power value required by the battery and the power value of each charge and discharge module.
Optionally, the determining module 802 is further configured to:
and calculating the residual charge and discharge duration of the battery according to the rated capacity, the current battery capacity and the power value required by the battery.
Optionally, the battery parameter information includes at least one of: rated capacity, current battery capacity, rated voltage, rated current.
The foregoing apparatus is used for executing the method provided in the foregoing embodiment, and its implementation principle and technical effects are similar, and are not described herein again.
The above modules may be one or more integrated circuits configured to implement the above methods, for example: one or more application specific integrated circuits (Application Specific Integrated Circuit, abbreviated as ASIC), or one or more microprocessors (digital singnal processor, abbreviated as DSP), or one or more field programmable gate arrays (Field Programmable Gate Array, abbreviated as FPGA), or the like. For another example, when a module above is implemented in the form of a processing element scheduler code, the processing element may be a general-purpose processor, such as a central processing unit (Central Processing Unit, CPU) or other processor that may invoke the program code. For another example, the modules may be integrated together and implemented in the form of a system-on-a-chip (SOC).
Optionally, the present invention also provides a program product, such as a computer readable storage medium, comprising a program for performing the above-described method embodiments when being executed by a processor.
In the several embodiments provided by the present invention, it should be understood that the disclosed apparatus and method may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in hardware plus software functional units.
The integrated units implemented in the form of software functional units described above may be stored in a computer readable storage medium. The software functional unit is stored in a storage medium, and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor (english: processor) to perform some of the steps of the methods according to the embodiments of the invention. And the aforementioned storage medium includes: u disk, mobile hard disk, read-Only Memory (ROM), random access Memory (Random Access Memory, RAM), magnetic disk or optical disk, etc.
Claims (7)
1. The method for controlling the charge and discharge of the charge and discharge pile is characterized by comprising the following steps of:
Receiving battery parameter information of charging and discharging equipment connected to a charging and discharging pile;
determining the number of expected charge and discharge modules and the residual charge and discharge duration of the battery of the charge and discharge equipment according to the battery parameter information;
acquiring a noise value of the charging and discharging pile when the charging and discharging pile works currently, wherein the noise value is detected by a sound detection unit arranged in the charging and discharging pile;
determining the number of actual charge and discharge modules according to the noise value, the number of expected charge and discharge modules and the remaining charge and discharge time length of the battery;
controlling the charge and discharge modules of the actual charge and discharge module number to charge and discharge the battery of the charge and discharge equipment;
wherein the battery parameter information includes: rated capacity, current battery capacity; the remaining charge-discharge duration of the battery= (1-the current battery capacity) = the rated capacity/the power value required by the battery;
the determining the number of actual charge and discharge modules according to the noise value, the number of expected charge and discharge modules and the remaining charge and discharge duration of the battery includes:
if the noise value is smaller than or equal to a preset noise threshold value, determining that the actual charge and discharge module number is the expected charge and discharge module number;
The determining the number of the actual charging and discharging modules according to the noise value, the number of the expected charging and discharging modules and the remaining charging and discharging duration of the battery further includes:
if the noise value is larger than the preset noise threshold, judging whether the residual charge-discharge duration of the battery is larger than a preset residual charge-discharge duration threshold;
if yes, determining the number of the actual charge and discharge modules as the number obtained by subtracting 1 from the number of the expected charge and discharge modules;
wherein the method further comprises:
acquiring a noise update value of the charging and discharging pile when the charging and discharging modules of the actual number of the charging and discharging modules are charged and discharged;
if the noise updating value is larger than the preset noise threshold value and the remaining charge-discharge time length of the battery is larger than the remaining charge-discharge time length threshold value, subtracting 1 from the actual charge-discharge module number to obtain a new actual charge-discharge module number;
and controlling the charge and discharge modules of the new actual charge and discharge module number to charge and discharge the battery of the charge and discharge equipment.
2. The method of claim 1, wherein determining the number of expected charge and discharge modules based on the battery parameter information comprises:
Calculating to obtain the power value required by the battery according to rated voltage and rated current;
and calculating the number of expected charge and discharge modules according to the power value required by the battery and the power value of each charge and discharge module.
3. The method of claim 2, wherein determining the remaining charge-discharge time period of the battery based on the battery parameter information comprises:
and calculating the residual charge and discharge duration of the battery according to the rated capacity, the current battery capacity and the power value required by the battery.
4. The method of claim 1, wherein the battery parameter information comprises at least one of: rated voltage, rated current.
5. A charge-discharge control device for a charge-discharge pile, the device comprising:
the receiving module is used for receiving the battery parameter information of the charging and discharging equipment connected to the charging and discharging pile; wherein the battery parameter information includes: rated capacity, current battery capacity;
the determining module is used for determining the number of expected charging and discharging modules and the remaining charging and discharging duration of the battery of the charging and discharging equipment according to the battery parameter information; the remaining charge-discharge duration of the battery= (1-the current battery capacity) = the rated capacity/the power value required by the battery;
The acquisition module is used for acquiring the noise value of the charging and discharging pile when the charging and discharging pile works currently, which is detected by the sound detection unit arranged in the charging and discharging pile;
the determining module is further configured to determine the number of actual charging and discharging modules according to the noise value, the number of expected charging and discharging modules, and the remaining charging and discharging duration of the battery;
the control module is used for controlling the charge and discharge modules of the actual charge and discharge module number to charge and discharge the battery of the charge and discharge equipment;
wherein, the determining module is further configured to:
if the noise value is smaller than or equal to a preset noise threshold value, determining that the actual charge and discharge module number is the expected charge and discharge module number;
wherein, the determining module is further configured to:
if the noise value is larger than the preset noise threshold, judging whether the residual charge-discharge duration of the battery is larger than a preset residual charge-discharge duration threshold;
if yes, determining the number of the actual charge and discharge modules as the number obtained by subtracting 1 from the number of the expected charge and discharge modules;
wherein, the acquisition module is further used for:
acquiring a noise update value of the charging and discharging pile when the charging and discharging modules of the actual number of the charging and discharging modules are charged and discharged;
If the noise updating value is larger than the preset noise threshold value and the remaining charge-discharge time length of the battery is larger than the remaining charge-discharge time length threshold value, subtracting 1 from the actual charge-discharge module number to obtain a new actual charge-discharge module number;
and controlling the charge and discharge modules of the new actual charge and discharge module number to charge and discharge the battery of the charge and discharge equipment.
6. A master control unit, comprising: a processor, a storage medium and a bus, said storage medium storing machine-readable instructions executable by said processor, said processor and said storage medium communicating over the bus when the main control unit is running, said processor executing said machine-readable instructions to perform the steps of the method according to any one of claims 1-4.
7. A computer-readable storage medium, characterized in that the storage medium has stored thereon a computer program which, when executed by a processor, performs the steps of the method according to any of claims 1-4.
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