CN106785142A - A kind of battery of electric vehicle fills method and device soon - Google Patents
A kind of battery of electric vehicle fills method and device soon Download PDFInfo
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- CN106785142A CN106785142A CN201611248858.5A CN201611248858A CN106785142A CN 106785142 A CN106785142 A CN 106785142A CN 201611248858 A CN201611248858 A CN 201611248858A CN 106785142 A CN106785142 A CN 106785142A
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- charging
- battery
- threshold
- dump energy
- quickly road
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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
- H01M10/44—Methods for charging or discharging
-
- 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
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
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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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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The present invention provides a kind of battery of electric vehicle and fills method soon, and the method includes：Monitoring is charged and is input into；Obtain the dump energy percentage of battery to be charged；One corresponding charging quickly road is generated according to the dump energy percentage information；The battery is performed using the charging quickly road is filled soon.Fill method soon using the battery of electric vehicle, can be different to battery dump energy and use and different fill scheme soon to take into account charge efficiency with protection battery.
Description
Technical field
Method and device is filled soon the present invention relates to battery charging field, more particularly to a kind of battery of electric vehicle.
Background technology
Electric motor car with its environmental protection, energy-conservation, it is light, save money, save trouble, people are a kind of important to go out gradually to replace motorcycle to be referred to as
Row instrument.
The battery that current electric motor car is used is generally lead-acid battery.Lead-acid battery has had more than the history of 100 years, with property
Can be reliable, mature production technology.
Current electric motor car is used mostly sealing-type lead-acid battery.When battery charges, the lead plaster of positive plate changes into dioxy
Change lead, the lead plaster on negative plate changes into spongy lead, and when the cell is discharged, positive plate active material changes into lead sulfate, bears plate and lives
Property material be also translated into lead sulfate, therefore the electrochemistry that the cycle charge-discharge of lead-acid battery is electric energy with the continuous conversion of chemical energy
Change procedure, finally realizes the storage and release of energy.
The lead-acid battery usual discharge time that current electric motor car is used was at 3-4 hours, and the full charge time is then up to 10-
12 hours.Therefore its travel requirement under emergency conditions can be limited.In the case of electric motor car not enough power supply, it is impossible to realize fast
The demand of speed trip.
The electric motor car fast charging device that occurs on the market at present, is all uniquely to fill scheme pair soon so that constant high current is this
All of battery is filled soon, and when battery electric quantity is very low, user wishes to be charged with most fast efficiency, relative in battery electric quantity
When sufficient, user wishes to protect battery to greatest extent.Therefore single fast charge mode cannot take into account charge efficiency with protection battery.
The content of the invention
In order to solve the above-mentioned technical problem, method and device is filled soon the invention provides a kind of battery of electric vehicle, can be right
Battery dump energy is different and use and different fill scheme soon to take into account charge efficiency with protection battery.
Specifically, the present invention proposes a kind of battery of electric vehicle and fills method soon, and the method includes：
Monitoring is charged and is input into；
Obtain the dump energy percentage of battery to be charged；
One corresponding charging quickly road is generated according to the dump energy percentage；
The battery is performed using the charging quickly road is filled soon.
Further, when the dump energy percentage is less than first threshold, using the pulse charging quickly with negative pulse
Road；When the dump energy percentage is higher than Second Threshold, constant current charging quickly road of being successively decreased step by step using the multistage；When described surplus
When remaining electricity percentage is between first threshold and Second Threshold, using high current constant current charging quickly road.
Further, the first threshold is 20%, and the Second Threshold is 50%.
Further, the pulse charging quickly road with negative pulse is that charging current is 10CA, and charging pulse width is
45ms, discharge pulse width is 2ms, and interval width is 5ms before electric discharge, and interval width is 8ms after electric discharge；The multistage is step by step
Constant current charging quickly road successively decrease to start to charge up electric current for 4CA, 0.5CA is reduced at interval of 5 minutes charging currents, the high current is permanent
Stream charging quickly road is that charging current is 6CA.
Further, timing is started while the battery being performed and filled soon, when timing reaches the default charging interval,
Complete charge.
The invention allows for a kind of battery of electric vehicle fast charging device, including：
Monitoring modular, for monitoring input of charging；
Acquisition module, the dump energy percentage for obtaining battery to be charged；
Decision-making module, for generating a corresponding charging quickly road according to the dump energy percentage information；
Charging module, is filled soon for being performed to the battery using the charging quickly road.
Further, the decision-making of the decision-making module includes：When the dump energy percentage is less than first threshold, adopt
With the pulse charging quickly road with negative pulse；When the dump energy percentage is higher than Second Threshold, passed step by step using the multistage
Subtract constant current charging quickly road；When the dump energy percentage is between first threshold and Second Threshold, using high current constant current
Charging quickly road.
Further, the first threshold is 20%, and the Second Threshold is 50%.
Further, the pulse charging quickly road with negative pulse is that charging current is 10CA, and charging pulse width is
45ms, discharge pulse width is 2ms, and interval width is 5ms before electric discharge, and interval width is 8ms after electric discharge；The multistage is step by step
Constant current charging quickly road successively decrease to start to charge up electric current for 4CA, 0.5CA is reduced at interval of 5 minutes charging currents, the high current is permanent
Stream charging quickly road is that charging current is 6CA.
Further, the battery of electric vehicle fast charging device also includes timing control module, fast for being performed to the battery
Start timing while filling, when reaching the default charging interval to timing, complete charge.
Compared with prior art, the present invention proposes a kind of battery of electric vehicle and fills method soon, and the method includes：Monitoring is charged
Input；Obtain the dump energy percentage of battery to be charged；One corresponding charging quickly is generated according to the dump energy percentage
Road；The battery is performed using the charging quickly road is filled soon.The present invention also provides a kind of battery of electric vehicle fast charging device.This hair
It is bright different to battery dump energy and fill scheme soon and can take into account charge efficiency with protection battery using different.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be attached to what is used needed for embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, thus be not construed as it is right
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is that a kind of battery of electric vehicle that the embodiment of the present invention is proposed fills method flow schematic diagram soon.
Fig. 2 is that a kind of battery of electric vehicle that the specific embodiment of the invention is proposed fills method flow schematic diagram soon.
Fig. 3 is a kind of battery of electric vehicle fast charging device structural representation that one embodiment of the invention is proposed.
Fig. 4 is a kind of battery of electric vehicle fast charging device structural representation that another embodiment of the present invention is proposed.
Main element symbol description：
20- battery of electric vehicle fast charging devices；201- monitoring modulars；202- acquisition modules；203- decision-making modules；204- charges
Module；205- timing control modules.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Generally
Can arrange and design with a variety of configurations with the component of the embodiment of the present invention shown described in accompanying drawing herein.Cause
This, the detailed description of the embodiments of the invention to providing in the accompanying drawings is not intended to limit claimed invention below
Scope, but it is merely representative of selected embodiment of the invention.Based on embodiments of the invention, those skilled in the art are not doing
The every other embodiment obtained on the premise of going out creative work, belongs to the scope of protection of the invention.
Embodiment 1
As shown in figure 1, one embodiment of the invention proposes a kind of battery of electric vehicle fills method soon, including：
S10, monitoring is charged and is input into.
Specifically, monitoring is charged and is input into whether the charging inlet for being exactly to monitor electric motor car is connected on charging device.
How to judge whether the charging inlet of electric motor car is connected on charging device, we can by monitoring resistor or
Magnitude of voltage judges.
Specifically, voltage difference can be whether there is by real-time monitoring external circuit, if there is voltage difference, has illustrated electronic
Car is connected on charging device.
Because electric motor car is before charging, as long as rechargeable battery is not damaged completely, the positive and negative two-stage of battery can maintain one all the time
Fixed voltage difference.
After the charging inlet of electric motor car is connected with charging device, charging device will not charge to electric motor car immediately.This is
It is different from current charging device.
S11, obtains the dump energy percentage of battery to be charged.
The dump energy percentage of battery to be charged is obtained, to take the different sides of filling soon according to battery dump energy
Case.
Obtaining the dump energy percentage of battery to be charged can be in response to the dump energy percentage information of user input
Obtain.
After charging input is monitored, charging device can point out user input battery of electric vehicle dump energy percentage to believe
Breath, user can be input into the dump energy percentage according to the dump energy information shown on electric motor car battery capacity indication panel
Information.
User can also be input into the brand and type information of electric motor car to be charged, charging device according to the brand of electric motor car and
Type information obtains the capacity information and rated voltage information of battery, according to this information same charging device can be realized to not
The battery of same specification is filled soon.
The dump energy percentage for obtaining battery to be charged can also be that charging electric vehicle sets up communication link with charging device
Connect, the information of battery is sent to charging device by charging electric vehicle.The battery information includes dump energy percentage, the appearance of battery
The information such as amount information and rated voltage.
Setting up communication connection can be using wired or wirelessly.
Can be transformed on the basis of existing charging wire by the way of wired, be increased communication line.Make charging wire one
Charging is responsible on route road, and circuit is responsible for communication all the way.
Using can be wirelessly bluetooth, the connected mode such as WiFi.
S12, a corresponding charging quickly road is generated according to the dump energy percentage.
After getting the dump energy percentage of battery, a corresponding charging quickly is generated according to the dump energy percentage
Road.
Method of filling soon common at present mainly has following several：
High current constant current method, multistage constant current method, high current current limliting constant-voltage method, the without hindrance constant-voltage method of current limliting and arteries and veins
Rush charging method.
When the dump energy of battery is relatively low, to be filled operation soon be exactly to expect efficiency high to user, in most short time time
The interior more electric energy of storage, it is therefore desirable to use large current charge.When being charged using high current, due to the speed for chemically reacting
Degree is slow compared with electronic movement velocity, and battery pole plates surface produces charge accumulated and forms barrier potential barrier layer, prevent electrochemical reaction from
Go deep into pole plate inside again and only carried out on surface, the active material of pole plate is unable to full entry reaction, produces polarization phenomena.Charge
Electric current is bigger, and polarization phenomena are more serious, so that additional electric energy can only be in electrolysis water and internal resistance heating.Substrate can so sent out
Change shape, damages battery.In order to solve polarization reversely pole can be gone to direct impulse electric current charging gap insertion one is of short duration
Change pulse, to remove the barrier potential barrier layer of pole plate, so as to realize that high current is quickly filled in the case of protection battery to greatest extent
Electricity.Therefore, when the dump energy percentage of battery is relatively low, using the pulse charging quickly road with negative pulse.
When the dump energy of battery is higher, user is filled operation and is not only completion quick charge soon, it is also desirable to can be maximum
The protection battery of limit, can control charging current to successively decrease step by step.Therefore, when the dump energy percentage of battery is higher, adopt
Successively decreased step by step with the multistage constant current charging quickly road.
When the dump energy of battery is medium, charging current can be controlled to be always a fixed value.Therefore, when the residue of battery
When electricity percentage is medium, using high current constant current charging quickly road.
Specifically, the dump energy percentage information according to battery, three below grade is divided into by the dump energy of battery.
When dump energy percentage is less than first threshold, the first threshold is 20%, using the pulse with negative pulse
Charging quickly road.
When dump energy percentage is higher than Second Threshold, the Second Threshold is 50%, is successively decreased step by step using the multistage
Constant current charging quickly road.
It is fast using high current constant current when dump energy percentage is located between the first threshold and the Second Threshold
Charging circuit.
More specifically, it is 10CA that the pulse charging quickly road with negative pulse is charging current, charging pulse width is
45ms, discharge pulse width is 2ms, and interval width is 5ms before electric discharge, and interval width is 8ms after electric discharge；The multistage is step by step
Constant current charging quickly road successively decrease to start to charge up electric current for 4CA, 0.5CA is reduced at interval of 5 minutes charging currents, the high current is permanent
Stream charging quickly road is that charging current is 6CA.
S13, is performed to the battery using the charging quickly road and filled soon.
The battery of charging vehicle is filled soon using the charging quickly road for being generated.When battery is full of or charging interval arrival
Complete charge during Preset Time.
Embodiment 2
As shown in Fig. 2 another embodiment of the present invention proposes a kind of battery of electric vehicle fills method soon, including：
S20, monitoring is charged and is input into.
Wherein, step S20 is identical with step S10 contents.
S21, obtains the dump energy percentage of battery to be charged.
Wherein, step S21 is identical with step S11 contents.
S22, a corresponding charging quickly road is generated according to the dump energy percentage.
Wherein, step S22 is identical with step S12 contents.
S23, is performed to the battery using the charging quickly road and fills soon and start timing.
When starting chargometer while battery of electric vehicle is started to perform and filled soon.
S24, when timing reaches the default charging interval, complete charge.
After reaching Preset Time when the timer, control is charged and terminates to fill soon.The Preset Time can be 10
Minute or 15 minutes.
Embodiment 3
As shown in figure 3, one embodiment of the invention proposes a kind of battery of electric vehicle fast charging device 20, including：
Monitoring modular 201, for monitoring input of charging.
Acquisition module 202, the dump energy percentage for obtaining battery to be charged.
Decision-making module 203, for generating a corresponding charging quickly road according to the dump energy percentage information.
Further, the decision-making of the decision-making module 203 includes：When the dump energy percentage is less than first threshold
When, using the pulse charging quickly road with negative pulse；When the dump energy percentage be higher than Second Threshold when, using the multistage by
Level is successively decreased constant current charging quickly road；When the dump energy percentage is between first threshold and Second Threshold, using high current
Constant current charging quickly road.
Specifically, the first threshold is 20%, and the Second Threshold is 50%.The pulse charging quickly with negative pulse
Road is that charging current is 10CA, and charging pulse width is 45ms, and discharge pulse width is 2ms, and interval width is 5ms before electric discharge,
Interval width is 8ms after electric discharge；The multistage successively decreases constant current charging quickly road to start to charge up electric current for 4CA, at interval of 5 step by step
Minute charging current reduces 0.5CA, and the high current constant current charging quickly road is that charging current is 6CA.
Charging module 204, is filled soon for being performed to the battery using the charging quickly road.
Embodiment 4
As shown in figure 4, another embodiment of the present invention proposes a kind of battery of electric vehicle fast charging device 20, including：
Monitoring modular 201, for monitoring input of charging.
Acquisition module 202, the dump energy percentage for obtaining battery to be charged.
Decision-making module 203, for generating a corresponding charging quickly road according to the dump energy percentage information.
Further, the decision-making of the decision-making module 203 includes：When the dump energy percentage is less than first threshold
When, using the pulse charging quickly road with negative pulse；When the dump energy percentage be higher than Second Threshold when, using the multistage by
Level is successively decreased constant current charging quickly road；When the dump energy percentage is between first threshold and Second Threshold, using high current
Constant current charging quickly road.
Specifically, the first threshold is 20%, and the Second Threshold is 50%.The pulse charging quickly with negative pulse
Road is that charging current is 10CA, and charging pulse width is 45ms, and discharge pulse width is 2ms, and interval width is 5ms before electric discharge,
Interval width is 8ms after electric discharge；The multistage successively decreases constant current charging quickly road to start to charge up electric current for 4CA, at interval of 5 step by step
Minute charging current reduces 0.5CA, and the high current constant current charging quickly road is that charging current is 6CA.
Charging module 204, is filled soon for being performed to the battery using the charging quickly road.
Timing control module 205, timing is started while for the battery to be performed and filled soon, reaches default to timing
During the charging interval, complete charge.
A kind of electric motor car provided in an embodiment of the present invention fills method and device soon, and the method includes：Monitoring is charged and is input into；Obtain
Take the dump energy percentage of battery to be charged；One corresponding charging quickly road is generated according to the dump energy percentage；Using
The charging quickly road performs to the battery to be filled soon.The present invention can using different schemes of filling soon to battery dump energy difference
To take into account charge efficiency with protection battery.
The technique effect and preceding method embodiment phase of the system that the embodiment of the present invention is provided, its realization principle and generation
Together, to briefly describe, system embodiment part does not refer to part, refers to corresponding contents in preceding method embodiment.
In all examples being illustrated and described herein, any occurrence should be construed as merely exemplary, without
It is limitation to be, therefore, other examples of exemplary embodiment can have different values.It should be noted that：Similar label and word
Mother represents similar terms in following accompanying drawing, therefore, once be defined in a certain Xiang Yi accompanying drawing, then in subsequent accompanying drawing
It need not further be defined and is explained.
In several embodiments provided herein, it should be understood that disclosed device can be by other sides
Formula is realized.Device embodiment described above is only schematical, for example, the division of the unit, only one kind are patrolled
Collect function to divide, there can be other dividing mode when actually realizing, but for example, multiple units or component can combine or can
To be integrated into another system, or some features can be ignored, or not perform.It is another, it is shown or discussed each other
Coupling or direct-coupling or communication connection can be the INDIRECT COUPLING or communication link of device or unit by some communication interfaces
Connect, can be electrical, mechanical or other forms.
The unit for separating component explanation can be or may not be physically separate, be what unit showed
Part can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple networks
On unit.Some or all of unit therein can be according to the actual needs selected to realize the purpose of this embodiment scheme.
In addition, during each functional unit in each embodiment of the invention can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to which two or more units are integrated in a unit.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (10)
1. a kind of battery of electric vehicle fills method soon, it is characterised in that：The method includes：
Monitoring is charged and is input into；
Obtain the dump energy percentage of battery to be charged；
One corresponding charging quickly road is generated according to the dump energy percentage；
The battery is performed using the charging quickly road is filled soon.
2. a kind of battery of electric vehicle as claimed in claim 1 fills method soon, it is characterised in that：It is described " electric according to the residue
Amount percentage generates a corresponding charging quickly road " include：It is negative using band when the dump energy percentage is less than first threshold
The pulse charging quickly road of pulse；When the dump energy percentage is higher than Second Threshold, successively decreased step by step constant current using the multistage
Charging quickly road；When the dump energy percentage is between first threshold and Second Threshold, using high current constant current charging quickly
Road.
3. a kind of battery of electric vehicle as claimed in claim 2 fills method soon, it is characterised in that：The first threshold is 20%,
The Second Threshold is 50%.
4. a kind of battery of electric vehicle as claimed in claim 2 fills method soon, it is characterised in that：The pulse with negative pulse is fast
Charging circuit is that charging current is 10CA, and charging pulse width is 45ms, and discharge pulse width is 2ms, and interval width is before electric discharge
5ms, interval width is 8ms after electric discharge；The multistage successively decreases constant current charging quickly road to start to charge up electric current for 4CA, often step by step
The 5 minutes charging currents in interval reduce 0.5CA, and the high current constant current charging quickly road is that charging current is 6CA.
5. a kind of battery of electric vehicle as claimed in claim 1 fills method soon, it is characterised in that described " to use the charging quickly
Road performs to the battery to be filled soon " include：Start timing while the battery is performed and filled soon, when timing reaches default filling
During the electric time, complete charge.
6. a kind of battery of electric vehicle fast charging device, it is characterised in that including：
Monitoring modular, for monitoring input of charging；
Acquisition module, the dump energy percentage for obtaining battery to be charged；
Decision-making module, for generating a corresponding charging quickly road according to the dump energy percentage information；
Charging module, is filled soon for being performed to the battery using the charging quickly road.
7. a kind of battery of electric vehicle fast charging device as claimed in claim 6, it is characterised in that the decision package of the decision-making module
Include：When the dump energy percentage is less than first threshold, using the pulse charging quickly road with negative pulse；When the remaining electricity
When amount percentage is higher than Second Threshold, constant current charging quickly road of being successively decreased step by step using the multistage；When the dump energy percentage exists
When between first threshold and Second Threshold, using high current constant current charging quickly road.
8. a kind of battery of electric vehicle fast charging device as claimed in claim 7, it is characterised in that the first threshold is 20%,
The Second Threshold is 50%.
9. a kind of battery of electric vehicle fast charging device as claimed in claim 7, it is characterised in that the pulse with negative pulse is fast
Charging circuit is that charging current is 10CA, and charging pulse width is 45ms, and discharge pulse width is 2ms, and interval width is before electric discharge
5ms, interval width is 8ms after electric discharge；The multistage successively decreases constant current charging quickly road to start to charge up electric current for 4CA, often step by step
The 5 minutes charging currents in interval reduce 0.5CA, and the high current constant current charging quickly road is that charging current is 6CA.
10. a kind of battery of electric vehicle fast charging device as claimed in claim 6, it is characterised in that also including timing control module,
Start timing while for the battery to be performed and filled soon, when reaching the default charging interval to timing, complete charge.
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| CN201611248858.5A CN106785142B (en) | 2016-12-29 | 2016-12-29 | A kind of battery of electric vehicle fast charge method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020259181A1 (en) * | 2019-06-27 | 2020-12-30 | Oppo广东移动通信有限公司 | Quick charging method, charging apparatus, electronic device and charging system |
| CN112803513A (en) * | 2020-12-18 | 2021-05-14 | 武汉格罗夫氢能汽车有限公司 | 12V storage battery quick charging system of fuel cell hydrogen energy automobile |
| CN113581008A (en) * | 2021-09-28 | 2021-11-02 | 深圳万甲荣实业有限公司 | Stage type power distribution power supply system for new energy automobile |
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