CN108336793A - A kind of battery management system and its battery pack address recognition circuit - Google Patents
A kind of battery management system and its battery pack address recognition circuit Download PDFInfo
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- CN108336793A CN108336793A CN201810245284.9A CN201810245284A CN108336793A CN 108336793 A CN108336793 A CN 108336793A CN 201810245284 A CN201810245284 A CN 201810245284A CN 108336793 A CN108336793 A CN 108336793A
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- H02J7/0022—
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The invention belongs to battery detecting technical field, a kind of battery management system and its battery pack address recognition circuit are provided, including：The cell address identification module of N number of parallel connection；The cell address identification module includes from control module and identification resistance；The identification resistance connection is described from control module, and the power supply of the ground terminal ground connection from control module, the identification resistance terminates power supply；The resistance value that the identification resistance is calculated from control module, and the corresponding address of the cell address identification module is identified according to the resistance value.Pass through the resistance value for identifying resistance of the cell address identification module of N number of parallel connection calculated from control module and should be connect from control module, the address of the corresponding battery pack of cell address identification module is identified according to resistance value, circuit is simple and reliable, realize effective identification of battery packet address, the prior art is efficiently solved when identifying the address of battery pack, there are problems that circuit is complicated, reliability is low and there are security risks.
Description
Technical field
The invention belongs to battery detecting technical field more particularly to a kind of battery management system and its battery packet address recognitions
Circuit.
Background technology
With the progress of battery and battery management technique, electric vehicle is gradually popularized.In order to improve course continuation mileage, battery
System would generally be by the cascade or parallel connection of multiple battery packs.Battery management system needs to obtain the state of multiple battery packs at any time
(state-of-charge, monomer battery voltage, discharge current etc.), it is therefore desirable to accurately identify the address of each battery pack.Usual feelings
Condition is by the multiple battery packs of master control module controls from control module, and (CAN is logical by controller local area network for main control module
News) send out comprising the data from control module's address, from control module judge address that the data include whether with itself it is consistent certainly
It is fixed whether to respond.That is, each a corresponding address must be distributed from control module.
In order to identify that, each from the address of the corresponding battery pack of control module, existing battery pack address recognition circuit is typically
By toggle switch and interlock circuit, low and high level is generated, the ports I/O of main control module is inputed to, I/O is read by main control module
Port status as this from control module address.Or a stable DC source is provided, it connects to form difference by resistance
Voltage, each read corresponding voltage from control module, each voltage corresponds to an address.Or by manually passing through the interfaces UI
Battery pack slave storage unit is simultaneously write into manual configuration address.However above-mentioned battery pack address recognition circuit needs to provide stabilization
DC power supply, and multiple ports I/O are needed, circuit is complicated and reliability is low.The configuration address by way of being manually arranged is changing
It needs manually every time the location information of battery pack confirm and according to location information manual configuration address, be deposited under power mode
In security risk and poor reliability.
In conclusion the prior art, when identifying the address of battery pack, there are circuit complexity, reliability is low and there is safety
The problem of hidden danger.
Invention content
The purpose of the present invention is to provide a kind of battery management system and its battery pack address recognition circuits, it is intended to solve existing
There is technology when identifying the address of battery pack, there are problems that circuit is complicated, reliability is low and there are security risks.
First aspect present invention provides a kind of battery pack address recognition circuit, is applied to battery management system, including：N
The cell address identification module of a parallel connection, wherein N is the integer more than 1；
The cell address identification module includes from control module and identification resistance；
The identification resistance connection is described from control module, and the ground terminal from control module is grounded, the identification resistance
Power supply terminates power supply；
It is described that the resistance value of the identification resistance is calculated from control module, and the cell address is identified according to the resistance value
The corresponding address of identification module.
Second aspect of the present invention provides a kind of battery management system, including main control module, further includes above-mentioned battery pack
Location identification circuit；The battery pack address recognition circuit is electrically connected with the main control module.
Battery management system provided by the invention and its battery pack address recognition circuit pass through the cell address of N number of parallel connection
Identification module is calculated and is somebody's turn to do from control module from the resistance value for controlling the identification resistance that module be connect, with identifying battery according to resistance value
The address of the corresponding battery pack of location identification module, circuit is simple and reliable, realizes effective identification of battery packet address, efficiently solves
The prior art has that circuit is complicated, reliability is low and there are security risks when identifying the address of battery pack.
Description of the drawings
Fig. 1 is a kind of function structure chart of battery pack address recognition circuit provided in an embodiment of the present invention；
Fig. 2 is the electrical block diagram of cell address identification module 110 provided in an embodiment of the present invention；
Fig. 3 is a kind of physical circuit figure of cell address identification module 110 provided in an embodiment of the present invention；
Fig. 4 is another physical circuit figure of cell address identification module 110 provided in an embodiment of the present invention；
Fig. 5 is another physical circuit figure of cell address identification module 110 provided in an embodiment of the present invention；
Fig. 6 is the function structure chart of battery management system provided in an embodiment of the present invention.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
It should be noted that the term " comprising " in description and claims of this specification and their any changes
Shape, it is intended that cover and non-exclusive include.Such as process, method or system comprising series of steps or unit, product or
Equipment is not limited to the step of having listed or unit, but further includes the steps that optionally not listing or unit or optional
Ground further includes for the intrinsic other steps of these processes, method, product or equipment or unit.In addition, term " first ", " the
Two " and " third " etc. are for distinguishing different objects, not for description particular order.
In order to illustrate technical solutions according to the invention, illustrated below by specific embodiment.
Fig. 1 shows a kind of battery pack address recognition circuit 100 provided in this embodiment, is applied to battery management system
10, as shown in Figure 1, battery pack address recognition circuit includes the cell address identification module 110 of N number of parallel connection, wherein N is more than 1
Integer.
Cell address identification module 110 includes from control module 111 and identification resistance RX.
Resistance RX connections are identified from control module 111, from the ground terminal ground connection of control module 111, the power end of identification resistance RX
Meet power supply VB.
The resistance value of identification resistance RX is calculated from control module 111, and cell address identification module 110 is identified according to resistance value
Corresponding address.
In a particular application, 110 circuit structure having the same of cell address identification module of N number of parallel connection, each battery
Address Recognition module 110 is connected respectively a battery pack.In practical applications, the corresponding address of each battery pack according to
The resistance value of identification resistance RX distinguishes.Illustratively, from the resistance value of the calculated identification resistance RX of control module 111 and certain
The resistance value of the slave resistance of one battery pack is identical, and mould is identified as the corresponding address of the battery pack is assigned as the cell address
110 corresponding address of block.And so on, the resistance value of N number of identification resistance RX by calculating N number of cell address identification module,
It just can recognize that the corresponding address of N number of cell address identification module.
In a particular application, the voltage parameter and current parameters for identifying resistance RX by acquisition from control module 111, according to this
Voltage parameter and current parameters calculate the resistance value of identification resistance RX.The identification resistance RX that will be calculated from control module 111
Resistance value stored, and lookup matching is carried out according to the resistance value of identification resistance RX, searched with identification resistance RX's
The corresponding battery pack of the identical slave resistance of resistance value, and the address of the battery pack is assigned as the cell address identification module 10
Address.Illustratively, the resistance value of the slave resistance of No. 1 battery pack is 5 Ω, the resistance value of the slave resistance of No. 2 battery packs
For 8 Ω, the resistance value by the identification resistance RX being calculated from control module 111 is 5 Ω, then by the address of No. 1 battery pack
With the address for the cell address identification module 10.
In a particular application, the resistance value list that the slave resistance of each battery pack is prestored from control module 111, is being counted
After the resistance value for calculating the identification resistance RX being attached thereto, by the resistance value of identification resistance RX and resistance value list from
The resistance value of electromechanics resistance carries out lookup matching, specifically, when the resistance value of the two is identical, that is, realizes matching.It needs to illustrate
It is that the resistance value of the slave resistance of each battery pack is all different.
In a particular application, power supply VB is directly provided by battery, and stabilization is generated without special setting Voltage stabilizing module
Voltage.
Fig. 2 is the electrical block diagram of cell address identification module 110 in the present embodiment, as shown in Fig. 2, in a reality
It applies in example, the first end of identification resistance RX is to identify the power end of resistance RX.
Include from control module 111：First resistor R1, second resistance R2, switch S, modulus transition element U1 and from control core
Piece U2.
The first end of first resistor R1 is connect with the second end of identification resistance RX, the second end of first resistor R1 and the second electricity
The first end connection of R2 is hindered, the second end of second resistance R2 is from the ground terminal of control module 111, the first end of switch S1 and first
The first end of resistance R1 connects, and the second end of switch S1 is connect with the second end of first resistor R1, the controlled end of switch S1 and from
The ports the I/O connection of chip U2 is controlled, the first input end of modulus transition element U1 is connect with the first end of first resistor R1, modulus
The second input terminal of conversion element U1 is connect with the second end of second resistance R2, the output end of modulus transition element U1 with from control core
The analog-to-digital conversion port ADC connections of piece U2.
In a particular application, above-mentioned switch S1 is electromagnetic relay or light coupling relay.Above-mentioned modulus transition element U1 is
Difference amplifier or precision photoelectric coupler.
The operation principle of above-mentioned cell address identification module 110 is illustrated in conjunction with Fig. 2：
From control open and closes of the chip U2 by I/O port controlling switches S1.First, it is switched by I/O port controllings
S1 is disconnected, and measures first resistor R1 at this time and the voltage value at the both ends second resistance R2 obtains first voltage V1, and turned by modulus
It changes element U1 the voltage value measured is converted into digital signal and be input to from control chip U2, then opened by I/O port controllings
It closes S1 to be closed, measures first resistor R1 at this time and the voltage value at the both ends second resistance R2 obtains second voltage V2, and pass through modulus
The voltage value measured is converted into digital signal and is input to from control chip U2 by conversion element U1, from control chip according to the first electricity
The resistance value of identification resistance RX is calculated in pressure V1, second voltage V2, first resistor R1 and second resistance R2.
Specific formula for calculation is as follows：
Therefore, the resistance value of identification resistance RX can be calculated by above-mentioned formula (1), and then identify cell address
110 corresponding address of identification module.
Fig. 3 shows a kind of physical circuit of above-mentioned cell address identification module 110, as shown in figure 3, identification resistance RX
First end is to identify the power end of resistance RX.
Include from control module 111：First resistor R1, second resistance R2, switch S1, modulus transition element U1 and from control core
Piece U2.
The first end of first resistor R1 is connect with the second end of identification resistance RX, the second end of first resistor R1 and the second electricity
The first end connection of R2 is hindered, the second end of second resistance R2 is from the ground terminal of control module 111, the first end of switch S1 and first
The first end of resistance R1 connects, and the second end of switch S1 is connect with the second end of first resistor R1, the controlled end of switch S1 and from
The ports the I/O connection of chip U2 is controlled, the first input end of modulus transition element U1 is connect with the first end of second resistance R2, modulus
The second input terminal of conversion element U1 is connect with the second end of second resistance R2, the output end of modulus transition element U1 with from control core
The analog-to-digital conversion port ADC connections of piece U2.
In a particular application, above-mentioned switch S1 is electromagnetic relay or light coupling relay.Above-mentioned modulus transition element U1 is
Difference amplifier or precision photoelectric coupler.
The operation principle of above-mentioned cell address identification module 110 is illustrated in conjunction with Fig. 3：
From control open and closes of the chip U2 by I/O port controlling switches S1.First, it is switched by I/O port controllings
S1 is disconnected, and measures first resistor R1 at this time and the voltage value at the both ends second resistance R2 obtains first voltage V1, and turned by modulus
It changes element U1 the voltage value measured is converted into digital signal and be input to from control chip U2, then opened by I/O port controllings
It closes S1 to be closed, measures first resistor R1 at this time and the voltage value at the both ends second resistance R2 obtains second voltage V2, and pass through modulus
The voltage value measured is converted into digital signal and is input to from control chip U2 by conversion element U1, from control chip according to the first electricity
The resistance value of identification resistance RX is calculated in pressure V1, second voltage V2, first resistor R1 and second resistance R2.
Specific formula for calculation is as follows：
Therefore, the resistance value of identification resistance RX can be calculated by above-mentioned formula (2), and then identify cell address
110 corresponding address of identification module.
Fig. 4 shows another physical circuit of above-mentioned cell address identification module 110, as shown in figure 4, identification resistance RX
First end be to identify the power end of resistance RX.
Include from control module 111：First resistor R1, second resistance R2, switch S1, modulus transition element U1 and from control core
Piece U2.
The first end of first resistor R1 is connect with the second end of identification resistance RX, the second end of first resistor R1 and the second electricity
The first end connection of R2 is hindered, the second end of second resistance R2 is from the ground terminal of control module 111, the first end of switch S1 and second
The first end of resistance R2 connects, and the second end of switch S1 is connect with the second end of second resistance R2, the controlled end of switch S1 and from
The ports the I/O connection of chip U2 is controlled, the first input end of modulus transition element U1 is connect with the first end of first resistor R1, modulus
The second input terminal of conversion element U1 is connect with the second end of second resistance R2, the output end of modulus transition element U1 with from control core
The analog-to-digital conversion port ADC connections of piece U1.
The operation principle of above-mentioned cell address identification module 110 is illustrated in conjunction with Fig. 4：
From control open and closes of the chip U2 by I/O port controlling switches S1.First, it is switched by I/O port controllings
S1 is disconnected, and measures first resistor R1 at this time and the voltage value at the both ends second resistance R2 obtains first voltage V1, and turned by modulus
It changes element U1 the voltage value measured is converted into digital signal and be input to from control chip U2, then opened by I/O port controllings
It closes S1 to be closed, measures first resistor R1 at this time and the voltage value at the both ends second resistance R2 obtains second voltage V2, and pass through modulus
The voltage value measured is converted into digital signal and is input to from control chip U2 by conversion element U1, from control chip according to the first electricity
The resistance value of identification resistance RX is calculated in pressure V1, second voltage V2, first resistor R1 and second resistance R2.
Specific formula for calculation is as follows：
Therefore, the resistance value of identification resistance RX can be calculated by above-mentioned formula (3), and then identify cell address
110 corresponding address of identification module.
Fig. 5 shows another physical circuit of above-mentioned battery identification module 110, as shown in figure 5, the of identification resistance RX
One end is the power end for identifying resistance RX.
Include from control module 111：First resistor R1, second resistance R2, switch S1, modulus transition element U1 and from control core
Piece U2.
The first end of first resistor R1 is connect with the second end of identification resistance RX, the second end of first resistor R1 and the second electricity
The first end connection of R2 is hindered, the second end of second resistance R2 is from the ground terminal of control module 111, the first end of switch S1 and second
The first end of resistance R2 connects, and the second end of switch S1 is connect with the second end of second resistance R2, the controlled end of switch S2 and from
The ports the I/O connection of chip U2 is controlled, the first input end of modulus transition element U1 is connect with the first end of first resistor R1, modulus
The second input terminal of conversion element U1 is connect with the second end of first resistor R1, the output end of modulus transition element U1 with from control core
The analog-to-digital conversion port ADC connections of piece U2.
The operation principle of above-mentioned cell address identification module 110 is illustrated in conjunction with Fig. 5：
From control open and closes of the chip U2 by I/O port controlling switches S1.First, it is switched by I/O port controllings
S1 is disconnected, and measures first resistor R1 at this time and the voltage value at the both ends second resistance R2 obtains first voltage V1, and turned by modulus
It changes element U1 the voltage value measured is converted into digital signal and be input to from control chip U2, then opened by I/O port controllings
It closes S1 to be closed, measures first resistor R1 at this time and the voltage value at the both ends second resistance R2 obtains second voltage V2, and pass through modulus
The voltage value measured is converted into digital signal and is input to from control chip U2 by conversion element U1, from control chip according to the first electricity
The resistance value of identification resistance RX is calculated in pressure V1, second voltage V2, first resistor R1 and second resistance R2.
Specific formula for calculation is as follows：
Therefore, the resistance value of identification resistance RX can be calculated by above-mentioned formula (4), and then identify
Go out 110 corresponding address of cell address identification module.
Fig. 6 shows battery management system 10 provided in an embodiment of the present invention, as shown in fig. 6, battery management system 10 wraps
It includes：Including main control module 200 and battery pack address recognition circuit 100.
Battery pack address recognition circuit 100 is electrically connected with main control module 200.
The battery pack that in a particular application, main control module 200 is obtained according to the identification of battery pack address recognition circuit 100
Behind 100 corresponding address of location identification circuit, the state of multiple battery packs is obtained at any time according to the address.
Battery management system provided in an embodiment of the present invention and its battery pack address recognition circuit pass through the electricity of N number of parallel connection
Pool address identification module is calculated and should be identified from the resistance value for controlling the identification resistance that module be connect according to resistance value from control module
The address of the corresponding battery pack of cell address identification module, circuit is simple and reliable, realizes effective identification of battery packet address, effectively
Ground solves the prior art when identifying the address of battery pack, and that there are circuits is complicated, reliability is low and asking there are security risk
Topic.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
All any modification, equivalent and improvement made by within principle etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of battery pack address recognition circuit is applied to battery management system, which is characterized in that including：The battery of N number of parallel connection
Address Recognition module, wherein N is the integer more than 1；
The cell address identification module includes from control module and identification resistance；
The identification resistance connection is described from control module, the ground terminal ground connection from control module, the power supply of the identification resistance
Terminate power supply；
The resistance value that the identification resistance is calculated from control module, and identify that the cell address identifies according to the resistance value
The corresponding address of module.
2. battery pack address recognition circuit according to claim 1, which is characterized in that
The first end of the identification resistance is the power end of the identification resistance；
It is described to include from control module：First resistor, second resistance, switch, modulus transition element and from control chip；
The first end of the first resistor with it is described identification resistance second end connect, the second end of the first resistor with it is described
The first end of second resistance connects, and the second end of the second resistance is the ground terminal from control module, and the of the switch
One end is connect with the first end of the first resistor, and the second end of the switch is connect with the second end of the first resistor, institute
The controlled end of switch is stated to connect with the ports I/O from control chip, the first input end of the modulus transition element with it is described
The first end of first resistor connects, and the second input terminal of the modulus transition element is connect with the second end of the second resistance,
The output end of the modulus transition element is connect with the analog-to-digital conversion port from control chip.
3. battery pack address recognition circuit according to claim 1, which is characterized in that
The first end of the identification resistance is the power end of the identification resistance；
It is described to include from control module：First resistor, second resistance, switch, modulus transition element and from control chip；
The first end of the first resistor with it is described identification resistance second end connect, the second end of the first resistor with it is described
The first end of second resistance connects, and the second end of the second resistance is the ground terminal from control module, and the of the switch
One end is connect with the first end of the first resistor, and the second end of the switch is connect with the second end of the first resistor, institute
The controlled end of switch is stated to connect with the ports I/O from control chip, the first input end of the modulus transition element with it is described
The first end of second resistance connects, and the second input terminal of the modulus transition element is connect with the second end of the second resistance,
The output end of the modulus transition element is connect with the analog-to-digital conversion port from control chip.
4. battery pack address recognition circuit according to claim 1, which is characterized in that
The first end of the identification resistance is the power end of the identification resistance；
It is described to include from control module：First resistor, second resistance, switch, modulus transition element and from control chip；
The first end of the first resistor with it is described identification resistance second end connect, the second end of the first resistor with it is described
The first end of second resistance connects, and the second end of the second resistance is the ground terminal from control module, and the of the switch
One end is connect with the first end of the second resistance, and the second end of the switch is connect with the second end of the second resistance, institute
The controlled end of switch is stated to connect with the ports I/O from control chip, the first input end of the modulus transition element with it is described
The first end of first resistor connects, and the second input terminal of the modulus transition element is connect with the second end of the second resistance,
The output end of the modulus transition element is connect with the analog-to-digital conversion port from control chip.
5. battery pack address recognition circuit according to claim 1, which is characterized in that
The first end of the identification resistance is the power end of the identification resistance；
It is described to include from control module：First resistor, second resistance, switch, modulus transition element and from control chip；
The first end of the first resistor with it is described identification resistance second end connect, the second end of the first resistor with it is described
The first end of second resistance connects, and the second end of the second resistance is the ground terminal from control module, and the of the switch
One end is connect with the first end of the second resistance, and the second end of the switch is connect with the second end of the second resistance, institute
The controlled end of switch is stated to connect with the ports I/O from control chip, the first input end of the modulus transition element with it is described
The first end of first resistor connects, and the second input terminal of the modulus transition element is connect with the second end of the first resistor,
The output end of the modulus transition element is connect with the analog-to-digital conversion port from control chip.
6. the battery pack address recognition circuit according to claim 2 to 4 any one, which is characterized in that the switch is
Electromagnetic relay.
7. the battery pack address recognition circuit according to claim 2 to 4 any one, which is characterized in that the switch is
Light coupling relay.
8. the battery pack address recognition circuit according to claim 2 to 4 any one, which is characterized in that analog-to-digital conversion member
Part is difference amplifier.
9. the battery pack address recognition circuit according to claim 2 to 4 any one, which is characterized in that the modulus turns
It is precision photoelectric coupler to change element.
10. a kind of battery management system, including main control module, which is characterized in that the battery management system further includes such as right
It is required that the battery pack address recognition circuit described in 1 to 9 any one；
The battery pack address recognition circuit is electrically connected with the main control module.
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| CN201810245284.9A CN108336793A (en) | 2018-03-23 | 2018-03-23 | A kind of battery management system and its battery pack address recognition circuit |
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|---|---|---|---|
| CN201810245284.9A CN108336793A (en) | 2018-03-23 | 2018-03-23 | A kind of battery management system and its battery pack address recognition circuit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111354993A (en) * | 2020-04-03 | 2020-06-30 | 天合光能股份有限公司 | Battery management system for energy storage batteries capable of being connected in parallel and connected in series |
| CN112148648A (en) * | 2020-08-28 | 2020-12-29 | 小犇（苏州）新能源科技有限公司 | Automatic address assignment system and method in battery replacement cabinet charging module |
| CN112327690A (en) * | 2020-10-30 | 2021-02-05 | 科华恒盛股份有限公司 | Multi-module physical address sampling system |
| CN113147434A (en) * | 2021-04-26 | 2021-07-23 | 深圳市优优绿能电气有限公司 | Circuit for automatically identifying address of charging module |
| CN114899927A (en) * | 2022-07-14 | 2022-08-12 | 广东首航智慧新能源科技有限公司 | Battery port identification method, inverter and energy storage system |
| CN117388728A (en) * | 2023-12-12 | 2024-01-12 | 荣耀终端有限公司 | Battery detection circuit, method and electronic equipment |
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2018
- 2018-03-23 CN CN201810245284.9A patent/CN108336793A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111354993A (en) * | 2020-04-03 | 2020-06-30 | 天合光能股份有限公司 | Battery management system for energy storage batteries capable of being connected in parallel and connected in series |
| CN112148648A (en) * | 2020-08-28 | 2020-12-29 | 小犇（苏州）新能源科技有限公司 | Automatic address assignment system and method in battery replacement cabinet charging module |
| CN112327690A (en) * | 2020-10-30 | 2021-02-05 | 科华恒盛股份有限公司 | Multi-module physical address sampling system |
| CN112327690B (en) * | 2020-10-30 | 2022-08-09 | 科华恒盛股份有限公司 | Multi-module physical address sampling system |
| CN113147434A (en) * | 2021-04-26 | 2021-07-23 | 深圳市优优绿能电气有限公司 | Circuit for automatically identifying address of charging module |
| CN113147434B (en) * | 2021-04-26 | 2022-02-01 | 深圳市优优绿能电气有限公司 | Circuit for automatically identifying address of charging module |
| CN114899927A (en) * | 2022-07-14 | 2022-08-12 | 广东首航智慧新能源科技有限公司 | Battery port identification method, inverter and energy storage system |
| CN114899927B (en) * | 2022-07-14 | 2022-10-14 | 广东首航智慧新能源科技有限公司 | Battery port identification method, inverter and energy storage system |
| CN117388728A (en) * | 2023-12-12 | 2024-01-12 | 荣耀终端有限公司 | Battery detection circuit, method and electronic equipment |
| CN117388728B (en) * | 2023-12-12 | 2024-06-07 | 荣耀终端有限公司 | Battery detection circuit, method and electronic equipment |
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Application publication date: 20180727 |