CN206412814U - A kind of batteries management of charging and discharging device and system - Google Patents
A kind of batteries management of charging and discharging device and system Download PDFInfo
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- CN206412814U CN206412814U CN201720111757.7U CN201720111757U CN206412814U CN 206412814 U CN206412814 U CN 206412814U CN 201720111757 U CN201720111757 U CN 201720111757U CN 206412814 U CN206412814 U CN 206412814U
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Abstract
The utility model discloses a kind of batteries management of charging and discharging device and system, the device includes controller, charger, controller includes controller mainboard, battery terminal wire harness, load socket, charging socket, set on controller mainboard and detect circuit and a control circuit with battery quantity identical, charger includes charger mainboard, circumscripted power line, charging plug, set and battery quantity identical charge circuit and a temperature-compensation circuit on the charger mainboard, system including the device, provided with control module, detection module, temperature compensation module, warning module.The utility model ensures not overcharge dehydration again while battery full charge; and discharge prevention can be provided to battery; plate vulcanizing caused by overdischarge and undercharge is prevented, and prevents battery dehydration thermal runaway caused by overcharge, so as to reach the purpose of extension batteries service life.
Description
Technical field
The utility model is related to a kind of batteries management of charging and discharging device and system, belongs to accumulator cell charging and discharging technology neck
Domain.
Background technology
At present, the electric automobiles such as electric bicycle, electro-tricycle, electric road vehicle and communication, energy storage, movement
The batteries that the fields such as power supply, photovoltaic generation, solar energy storage power supply are used all are to exempt from dimension by the valve-control sealed of same size
Many of battery of shield is in series and carries out discharge and recharge using overall series system, reaches that the charging of batteries highest is limited during charging
Charged after pressure value with highest charging voltage limiting value constant voltage, reach that switching current value switchs to floating charging.Batteries are reached during electric discharge
Batteries output is cut off after minimum under-voltage value.Because batteries discharge and recharge voltage limiting value is all set by total voltage, and store
Inconsistency is there is again between every battery of series connection in battery pack, so the problem of existing as described below.
The problem of existing during charging：At present generally using three-step charger to battery serial connection charge, first stage constant current
Pressure limiting is charged, second stage constant-voltage charge, and phase III, phase III floating charge are gone to after the charging switching current for being charged to setting
Electricity.It is known that the electric current that every battery passes through in serial connection charge circuit is consistent, cell voltage is with the change of internal resistance
Change, due to the manufacturing process problem of battery, it is impossible to accomplish that the internal resistance of battery is identical（Even if passing through when battery dispatches from the factory
Combo, in use internal resistance can also change）, so there is height according to the different of its internal resistance in the voltage of every battery
The number of batteries connected in the problem of differing, and circuit is more, produces inconsistency bigger.With 48V electromobile battery groups
Exemplified by the inconsistent generation of explanation charging harm：Between the pressure limiting of charger highest is 58.4V-58.8V during charging, every battery is put down
Bulk charge voltage 14.6V-14.7V, this average voltage is both the critical voltage for ensureing battery full charge for every battery
It is also the critical voltage that battery starts dehydration, because every battery tension in charging process in batteries is incomplete one
Cause, so occurring Individual cells higher than charging critical voltage dehydration Individual cells again less than charging critical voltage undercharge
Phenomenon, with regard to the characteristic of battery in itself, dehydration easily cause accumulator capacity decline and thermal runaway, frequent undercharge is easily
Cause accumulator plate to vulcanize capacity to decline.
The problem of existing during electric discharge：Current batteries under-voltage protection point is set with batteries total voltage, with 48V
The harm of the inconsistent generation of explanation electric discharge exemplified by electromobile battery group：During electric discharge the under-voltage protection point of controller be 42 ±
0.5V, average every cell discharge voltage is 10.5V, and this 10.5V voltage protection point is prevent battery over-discharge critical
Voltage, because every battery tension in discharge process in batteries is not quite identical, so occurring during electric discharge
The relatively low cell voltage of voltage first produces overdischarge less than the critical voltage of anti-overdischarge in group, with regard to the spy of battery in itself
Property, performance of the overdischarge on accumulator property can produce influence, if overdischarge often occur is easily caused accumulator plate vulcanization
Damage.
The problem of being brought with regard to battery is inconsistent in above series-connection charge-discharge, through understanding, differs for battery serial connection charge
Cause situation, in the market is proposed a kind of battery manager, and main function is electromobile battery is equalized charging, is subtracted
Individual cells charging voltage height is caused during few serial connection charge dehydration thermal runaway and the low charge less caused of Individual cells charging voltage
Electricity, it is ensured that battery fills not bulging, pole plate and do not vulcanized, and makes battery normally use 5 years.According to being linked up with its manufacturer and I am close
Learnt from purchase is on probation, the battery manager is a kind of by-pass flow regulation circuit voltage stabilizer for not possessing charge function itself, its work
It is, by battery manager on every battery all parallel connection, every battery to be detected by manager in original serial connection charge circuit as mode
Charging voltage, when cell voltage reaches the operational voltage value of setting to battery carry out bypass electric discharge, make to be passed through filling for battery
Electric current reduces the purpose for reaching reduction cell voltage, balances the charging voltage of every battery with this, but through using learning this
The smaller effect to reducing cell voltage of battery manager by-pass flow electric current is limited, and the charging voltage of every battery of actual measurement is not
Unanimously, the effect of equalizaing charge is not reached, and the problem of presence manager heating excess loss electric energy.
For the inconsistent situation of battery discharged in series, it can play deficient to every battery of battery pack there is presently no a kind of
The controller of protective effect is pressed, each application field all carries out the under-voltage guarantor of electric discharge to batteries in the point by under-voltage protection of total voltage
Shield, it can not protect every battery not overdischarge of batteries.Particularly battery of electric vehicle, its under-voltage protection also simply by
The battery undervoltage produced when the under-voltage protection function of controller for electric vehicle is to motor running is protected, and other loads are caused
Battery undervoltage do not shield, have been recognized that electric car industry occurred many because user forgets to turn off electric door lock or vehicle
The batteries overdischarge that circuit leaks electricity and caused, causes whole group battery to be scrapped.
In summary, the series-connection charge-discharge protected mode generally used at present all can not farthest extend batteries
Service life, finally can all vulcanize because of Individual cells or dehydration causes battery life to terminate in advance, or even cause because of battery
The fire that the thermal runaway that charges triggers.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of batteries management of charging and discharging device and system, protects
It can guarantee that battery does not overcharge dehydration while card battery full charge again, and discharge prevention can be provided to battery, prevented
Electric discharge and plate vulcanizing caused by undercharge, and battery dehydration thermal runaway caused by overcharge is prevented, so as to reach extension
The purpose of batteries service life.
Integral Thought of the present utility model is：By equalizing charge device for storage battery pack and batteries under-voltage protection controller
Integrated, constitute the management system and device that equalizaing charge and discharge prevention are provided to batteries.It is equal by batteries
Weigh charging device（Hereinafter referred to as charger）Batteries are provided with single equalizing charge of battery, battery pack serial connection charge electricity is prevented
Dehydration and charge less plate vulcanizing problem are overcharged caused by cell voltage is inconsistent.Pass through batteries under-voltage protection controller（Below
Abbreviation controller）Discharge prevention is provided to battery, prevents that single battery over-discharge causes plate vulcanizing problem in battery pack.Will control
Device processed is series between batteries and external loading provides discharge prevention for batteries, and controller is detected in batteries
When any battery first reaches the low-voltage protection point of setting, controller automatically cuts off output, disconnects batteries and outside
The connection of load, when detecting each cell voltage in batteries and all reaching the extensive value of the electric discharge of setting, controller is automatic
Connect output.During charging, charger charging plug is inserted on controller charging socket, to every battery in batteries
Carry out independent equalizaing charge and temperature-compensating and charge protection are provided.
Charging method：Every battery is individually charged simultaneously, every battery is as a charge circuit, using quadravalence
Section charge mode, first stage onstant current voltage limiting to charge, second stage constant-voltage charge, phase III pulse charge, fourth stage is floated
Charging 1 hour, the charging stage is successive, is automatically finished whole charging process, and charging process detects battery temperature, root simultaneously
Temperature-compensating is carried out according to battery temperature charger adjust automatically charging voltage limiting value, when the battery temperature is low, voltage limiting value is accordingly improved,
When battery temperature is high, voltage limiting value is accordingly reduced.When battery temperature reaches the protection temperature of setting, charger automatically cuts off defeated
Go out, when battery temperature drops to the charging extensive value of setting, the output of charger turn on automatically.
The technical scheme that the utility model solves above-mentioned technical problem is as follows：A kind of batteries management of charging and discharging device,
Including controller, charger；The controller includes controller mainboard, battery terminal wire harness, loads socket, charges and insert
Mouthful, set on the controller mainboard and detect circuit and a control circuit with battery quantity identical, it is further each to store
The both positive and negative polarity of battery is parallel-connected to each detection circuit and the corresponding storage of charging socket by battery terminal wire harness correspondence
On the both positive and negative polarity of battery charging contacts；The electric power storage pool surface is connected with temperature sensor, further temperature sensor signal line
The temperature sensor signal contact of charging socket is connected to, the both positive and negative polarity correspondence of batteries bus is connected to control circuit input end
Both positive and negative polarity, detection circuit with control circuit connect circuit to control provide voltage signal, control circuit output end correspondence connects
Connect the both positive and negative polarity of load socket；
The charger includes setting with storing on charger mainboard, circumscripted power line, charging plug, the charger mainboard
Number of batteries identical charge circuit and a temperature-compensation circuit, further each charge circuit passes through the storage on charging plug
Battery charging contacts correspondence each battery of connection, temperature-compensation circuit is connected by the temperature sensor signal contact on charging plug
Battery temperature sensor is connect, temperature-compensation circuit is connected with charge circuit and provides control signal to charge circuit.
Preferably, the controller is connected through battery terminal wire harness with batteries, further inserted by load
Load is connected by mouth with controller, is connected charger with controller to inserting by charging plug and charging socket.
Preferably, the charge circuit is connected with charge status indicating light.
Preferably, the temperature-compensation circuit is connected with battery thermal light.
Preferably, the controller further comprises voltage display.
The utility model also provides a kind of batteries management of charging and discharging system, using above-mentioned batteries charge and discharge fulgurite
Device is managed, further comprises control module, detection module, temperature compensation module, warning module；
The control module is used for the discharge and recharge for controlling battery；
The detection module is used for the voltage for detecting every battery in batteries;
The temperature compensation module is used to adjust battery charging voltage；
The warning module is used for controller reverse polarity connection and alarmed and accumulator electric-quantity deficiency prompting.
Further, in addition to display module, the display module is used for the voltage for showing battery.
Further, in addition to time block, the time block is used to carry out reservation charging to charger.
In more detail, the detection module detects any battery tension in batteries and reaches the under-voltage of setting
During protection point, control module cuts off output immediately, any battery over-discharge in battery pack is prevented, when detection module is detected
When each battery all reaches the recovery value of setting in batteries, control module connects output immediately.
In more detail, the temperature compensation module charges according to temperature-compensation circuit signal and default threshold values adjust automatically
Voltage, when temperature sensor detects battery temp higher than the protection temperature set, temperature-compensation circuit automatically cuts off institute
There is the output of charge circuit.
The beneficial effects of the utility model are：Charger and controller are integrated, while provided with detection circuit, control
Circuit, charge circuit, temperature-compensation circuit etc., it is ensured that do not overcharge dehydration again while battery full charge, and can be to battery
Discharge prevention is provided, plate vulcanizing caused by overdischarge and undercharge is prevented, and prevent battery dehydration caused by overcharge
Thermal runaway, so as to reach the purpose of extension batteries service life.
Brief description of the drawings
Fig. 1 is batteries management of charging and discharging Setup Controller schematic diagram；
Fig. 2 is batteries management of charging and discharging device charger schematic diagram；
Fig. 3 is batteries management of charging and discharging system architecture diagram.
Embodiment
Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality
It is new, it is not intended to limit scope of the present utility model.
As shown in Figure 1 and Figure 2, the batteries management of charging and discharging device, including controller（1）, charger（2）, wherein,
Controller（1）Including controller mainboard（3）, battery terminal（4）Wire harness, load socket（5）, charging socket（6）And voltage
Display（17）, controller mainboard（3）Upper setting detects circuit with battery quantity identical（7）With a control circuit（8）,
Further the both positive and negative polarity of each battery passes through battery terminal（4）Wire harness correspondence is parallel-connected to each detection circuit（7）
And charging socket（6）On the both positive and negative polarity of corresponding battery charging contacts；Electric power storage pool surface is connected with temperature sensor（9）, enter
One step temperature sensor（9）Signal wire is connected to charging socket（6）Temperature sensor signal contact, batteries bus it is positive and negative
Extremely correspond to and be connected to control circuit（8）The both positive and negative polarity of input, detects circuit（7）With control circuit（8）Connect and give control circuit
（8）Voltage signal is provided, circuit is controlled（8）Output end correspondence connection load socket（5）Both positive and negative polarity；
Charger（2）Including charger mainboard（10）, circumscripted power line（11）, charging plug（12）, charger mainboard
（10）Upper setting and battery quantity identical charge circuit（13）With a temperature-compensation circuit（14）, further each charging
Loop（13）Pass through charging plug（12）On battery charging contacts correspondence connection each battery, temperature-compensation circuit（14）
Pass through charging plug（12）On temperature sensor signal contact connection Battery temperature probe（9）, temperature-compensation circuit（14）
With charge circuit（13）Connect to charge circuit（13）Control signal is provided.
Controller（1）Through battery terminal（4）Wire harness is connected with batteries, further by loading socket（5）Will
Load and controller（1）Connection, passes through charging plug（12）And charging socket（6）To inserting charger（2）With controller（1）Even
Connect.
In one embodiment of the present apparatus, charge circuit（13）It is connected with charge status indicating light（15）.
In one embodiment of the present apparatus, temperature-compensation circuit（14）It is connected with battery thermal light（16）.
When the present apparatus is discharged, load, controller are opened（1）In detection circuit（7）Start in detection batteries every
The voltage of battery, and the voltage of every battery is shown to controller（1）Voltage display（17）On, according to control circuit
（8）The under-voltage protection point and recovery point of setting come be switched off and on output, i.e., when detection circuit（7）Detect in batteries
Any cell voltage controls circuit when reaching the under-voltage protection point of setting（8）Cut-out output immediately, prevents to appoint in battery pack
What battery over-discharge, when detection circuit（7）When detecting that each battery all reaches the recovery value of setting in batteries,
Control circuit（8）Output is connected immediately.
During charging, power supply, each charge circuit are opened（13）Start individually to charge to every battery and monitor it and fill
Electricity condition, charged state is by being installed on charge circuit（13）On charge status indicating light（15）It has been shown that, each indicator lamp is represented
One battery, identifies " battery 1 ", " battery 2 ", " battery 3 ", " battery 4 " ..., charge status indicating light（15）Green light dodges
Bright to indicate no output, red light often charge by bright expression, and alternately flicker expression reaches 95% electricity to traffic lights, and green light is often bright to be represented
Battery is full of.Then represent that battery pack has been filled with electricity when all charge status indicating lights all often give a green light.In charging process, paste
Temperature sensor on battery surface（9）The temperature signal detected is fed back into temperature-compensation circuit（14）, respectively charge back
Road（13）According to temperature-compensation circuit（14）Signal and default threshold values adjust automatically charging voltage, work as temperature sensor（9）Inspection
When measuring battery temperature higher than the protection temperature set, temperature-compensation circuit（14）Automatically cut off all charge circuits（13）It is defeated
Go out, now charger（2）Battery overtemperature yellow indicator lamp（16）Light, when the charging that battery temperature drops to setting recovers temperature
When spending, charger（2）All charge circuits of turn on automatically（13）Output, now battery overtemperature warning lamp（16）Extinguish.
Charge parameter is illustrated by taking single 12V battery of electric vehicle as an example：First stage is charged with 0.1~0.15C electric currents
It is 14.4 ± 0.05V to cell voltage；Second stage with 14.4 ± 0.05V voltages be charged to electric current drop to 0.025~
0.035C；Phase III is with 0.02~0.03C current impulses（Fill and stop within 2 seconds 1 second）Cell voltage is charged to for 14.7 ± 0.05V；
Fourth stage stops filling for 1 hour with 13.75 ± 0.05V voltages floating charging；C is battery nominal capacity.Temperature-compensating is is with 25 DEG C
Fiducial temperature, often reduces by 1 DEG C of charging pressure limiting increase 0.005V, often improves 1 DEG C of charging pressure limiting and reduce 0.005V.Battery temperature reaches
Protect temperature 45 C to stop charging, drop to charging recovery temperature≤40 DEG C and recover charging.
Discharge prevention parameter is illustrated by taking single 12V battery of electric vehicle as an example：Any battery discharge be to terminal voltage
During 10.8 ± 0.1V for batteries final discharging voltage, all batteries terminal voltage all >=13.0V when for batteries electric discharge
Recover voltage.
Controller voltage display can show every cell voltage in real time, and being such as not required to display can be closed by monitor switch
It is disconnected.Controller is also equipped with reverse polarity connection alarm and protection and not enough power supply prompting function, if the total both positive and negative polarity of controller and inspection
Slowdown monitoring circuit both positive and negative polarity and batteries and every battery plus-negative plate are reversed, alarm and protect, any battery in batteries
Discharge voltage is less than 11.5V then voice reminder " dump energy deficiency please charges in time ".
This batteries management of charging and discharging system, using above-mentioned batteries management of charging and discharging device, further comprises
Control module（18）, detection module（23）, temperature compensation module（21）, warning module（20）, wherein, control module（18）For
Control the discharge and recharge of battery；Detection module（23）Voltage for detecting every battery in batteries;Temperature-compensating mould
Block（21）For adjusting battery charging voltage；Warning module（20）For the alarm of controller reverse polarity connection and accumulator electric-quantity
Deficiency is reminded.
Detection module（23）When detecting that any battery tension reaches the under-voltage protection point of setting in batteries,
Control module（18）Cut-out output immediately, prevents any battery over-discharge in battery pack, works as detection module（23）Detect
When each battery all reaches the recovery value of setting in batteries, control module（18）Output is connected immediately.
Temperature compensation module（21）According to temperature-compensation circuit signal and default threshold values adjust automatically charging voltage, work as temperature
Spend sensor（9）When detecting battery temp higher than the protection temperature set, temperature-compensation circuit automatically cuts off all chargings
The output in loop.
In one embodiment of the system, in addition to display module（22）, display module（22）For showing battery
Voltage.
In one embodiment of the system, in addition to time block（19）, time block（19）For being carried out to charger
Reservation charging.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (10)
1. a kind of batteries management of charging and discharging device, it is characterised in that：Including controller, charger；
The controller includes controller mainboard, battery terminal wire harness, load socket, charging socket, the controller master
Set on plate and detect circuit and a control circuit with battery quantity identical, further the both positive and negative polarity of each battery passes through
Battery terminal wire harness correspondence is being parallel-connected to each detection circuit and the corresponding battery charging contacts of charging socket just
On negative pole；The electric power storage pool surface is connected with temperature sensor, and further temperature sensor signal line is connected to charging socket
Temperature sensor signal contact, the both positive and negative polarity correspondence of batteries bus is connected to the both positive and negative polarity of control circuit input end, detection electricity
Road is connected to controlling circuit to provide voltage signal with control circuit, and the output end correspondence connection of control circuit loads the positive and negative of socket
Pole；
The charger includes setting and battery on charger mainboard, circumscripted power line, charging plug, the charger mainboard
Quantity identical charge circuit and a temperature-compensation circuit, further each charge circuit passes through the battery on charging plug
Charging contacts correspondence each battery of connection, temperature-compensation circuit connects electricity by the temperature sensor signal contact on charging plug
Pond temperature sensor, temperature-compensation circuit is connected with charge circuit and provides control signal to charge circuit.
2. a kind of batteries management of charging and discharging device according to claim 1, it is characterised in that：The controller is through storing
Cell terminal wire harness is connected with batteries, and further load is connected with controller by loading socket, is inserted by charging
Charger is connected by head and charging socket to inserting with controller.
3. a kind of batteries management of charging and discharging device according to claim 1, it is characterised in that：The charge circuit connects
It is connected to charge status indicating light.
4. a kind of batteries management of charging and discharging device according to claim 1, it is characterised in that：The temperature-compensating electricity
Road is connected with battery thermal light.
5. a kind of batteries management of charging and discharging device according to claim 1, it is characterised in that：The controller enters one
Step includes voltage display.
6. a kind of batteries management of charging and discharging system, it is characterised in that：Including the storage as described in claim 1-5 any one
Battery set charge/discharge managing device, further comprises control module, detection module, temperature compensation module, warning module；
The control module is used for the discharge and recharge for controlling battery；
The detection module is used for the voltage for detecting every battery in batteries;
The temperature compensation module is used to adjust battery charging voltage；
The warning module is used for controller reverse polarity connection and alarmed and accumulator electric-quantity deficiency prompting.
7. a kind of batteries management of charging and discharging system according to claim 6, it is characterised in that：Also include display mould
Block, the display module is used for the voltage for showing battery.
8. a kind of batteries management of charging and discharging system according to claim 6, it is characterised in that：Also include timing mould
Block, the time block is used to carry out reservation charging to charger.
9. a kind of batteries management of charging and discharging system according to claim 6, it is characterised in that：The detection module inspection
When measuring that any battery tension reaches the under-voltage protection point of setting in batteries, control module cuts off output immediately,
Any battery over-discharge in battery pack is prevented, setting is all reached when detection module detects each battery in batteries
Recovery value when, control module connects output immediately.
10. a kind of batteries management of charging and discharging system according to claim 6, it is characterised in that：The temperature-compensating
Module is according to temperature-compensation circuit signal and default threshold values adjust automatically charging voltage, when temperature sensor detects battery
When temperature is higher than the protection temperature set, temperature-compensation circuit automatically cuts off the output of all charge circuits.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720111757.7U CN206412814U (en) | 2017-02-07 | 2017-02-07 | A kind of batteries management of charging and discharging device and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720111757.7U CN206412814U (en) | 2017-02-07 | 2017-02-07 | A kind of batteries management of charging and discharging device and system |
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| CN206412814U true CN206412814U (en) | 2017-08-15 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112039148A (en) * | 2020-08-21 | 2020-12-04 | 缙云县锐普电子科技有限公司 | Battery charging cabinet protection system and battery charging cabinet |
| CN112260384A (en) * | 2020-10-20 | 2021-01-22 | 深圳市马汀科技有限公司 | Solar cell charging system based on Internet of things |
| CN113721155A (en) * | 2021-11-03 | 2021-11-30 | 深圳市云鼠科技开发有限公司 | Method, device, equipment and storage medium for determining residual capacity of battery |
| CN113928855A (en) * | 2021-10-22 | 2022-01-14 | 西安热工研究院有限公司 | A sucker-type photovoltaic module carrier utilizing solar energy |
| CN114994548A (en) * | 2022-04-29 | 2022-09-02 | 智洋创新科技股份有限公司 | Battery Test System |
| CN119401626A (en) * | 2025-01-06 | 2025-02-07 | 交通运输部科学研究院 | Intelligent regulation control method for photovoltaic module of power exchange station |
-
2017
- 2017-02-07 CN CN201720111757.7U patent/CN206412814U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112039148A (en) * | 2020-08-21 | 2020-12-04 | 缙云县锐普电子科技有限公司 | Battery charging cabinet protection system and battery charging cabinet |
| CN112260384A (en) * | 2020-10-20 | 2021-01-22 | 深圳市马汀科技有限公司 | Solar cell charging system based on Internet of things |
| CN113928855A (en) * | 2021-10-22 | 2022-01-14 | 西安热工研究院有限公司 | A sucker-type photovoltaic module carrier utilizing solar energy |
| CN113721155A (en) * | 2021-11-03 | 2021-11-30 | 深圳市云鼠科技开发有限公司 | Method, device, equipment and storage medium for determining residual capacity of battery |
| CN114994548A (en) * | 2022-04-29 | 2022-09-02 | 智洋创新科技股份有限公司 | Battery Test System |
| CN119401626A (en) * | 2025-01-06 | 2025-02-07 | 交通运输部科学研究院 | Intelligent regulation control method for photovoltaic module of power exchange station |
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