CN103022548B - Queue type battery pack of electric vehicle - Google Patents

Queue type battery pack of electric vehicle Download PDF

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Publication number
CN103022548B
CN103022548B CN201210577017.4A CN201210577017A CN103022548B CN 103022548 B CN103022548 B CN 103022548B CN 201210577017 A CN201210577017 A CN 201210577017A CN 103022548 B CN103022548 B CN 103022548B
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China
Prior art keywords
battery cell
electric
battery
full
guide rail
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CN201210577017.4A
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Chinese (zh)
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CN103022548A (en
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王雪飞
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王雪飞
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Priority to CN201210577017.4A priority patent/CN103022548B/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage for electromobility
    • Y02T10/7005Batteries

Abstract

The invention provides a queue type battery pack of an electric vehicle. The queue type battery pack of the electric vehicle is characterized by comprising more than two battery single bodies capable of individually working; the battery single bodies are arranged on a guide rail according to a certain sequence, and only can be pushed into from one end of the guide rail and taken out from the other end, so that the electric conversion can be completed. A power supply management system controls the battery single bodies to be charged and discharged, and only switches on one battery single body once. In a discharge process, the battery single bodies are sequentially discharged from front to back; and in a charge process, the battery single bodies are sequentially charged from back to front. Electricity indicator lamps respectively indicate electricity states of the battery single bodies. The battery pack has the following characteristics in that 'conversion electricity' can be selected according to demands, and a user has no need of considering residual electricity of batteries; the battery single bodies alternatively work, so that the service life can be prolonged; if one of the battery single bodies has a fault, the battery pack still can normally work; and the quantity of the vehicular battery single bodies can be randomly selected according to the demands, so that a part of the battery single bodies can be discharged, and the vehicle load can be reduced.

Description

A kind of queue-type battery pack of electric motor car

Technical field

The present invention relates to a kind of queue-type battery pack of electric motor car.

Background technology

The growing tension of petroleum resources, with and the air pollution that causes, force people to remove to seek new cleaning fuel as the power source of future automobile.With regard to current technical conditions, driven by power is the feasible method that replacing fuel oil drives.Development pure electric vehicle has been listed country's 12 planning in.According to the object of planning of Chinese electric motor car, to the year two thousand twenty China electric motor car recoverable amount, will reach 1,000,000.

At present, although electrokinetic cell can meet the needs of automobile to a certain extent, some general problems still have much room for improvement, as long in the charging interval, finite capacity, and weight is too high, oversize, and cost is high, fail safe and environmental impact etc.Prior art, small-sized electric charging once consuming time 10 minutes to a few hours not etc.So the long charging interval certainly will affect the universal of electric automobile.One comes car owner to be reluctant to wait as long for; The 2nd, increase the weight of city and block up.So national grid proposes ' changing electricity ' pattern: vehicle takes out battery to insert in fixed location and is full of electric battery, and battery is concentrated charging at charging station.Change power mode and in some public transports, adopt, as bus, sanitation cart.

Change power mode and really can very might as well solve the continuous electric problem of electric motor car in ground.But also have a lot of weak points.Wherein one is exactly the problem of battery dump energy.Adopt charge mode, be filled with the total electric weight-dump energy of electric weight=battery, increase thus course continuation mileage, with according to being filled with electric energy tariff, can also select to be as required filled with electric weight.But change power mode, be difficult to quantize charging, change each time electricity, battery will be by integral replacing, and the dump energy in battery is retracted, and changes the battery completely filling.In patent 200510084301.8 and 200610057995.0, propose to calculate cost difference by network management and dump energy measurement.But all will change and be full of electric battery at every turn, being still forced to property consumption of user, like disposable top off.Obviously, the more cost saving of self-service charging after parking.Once and battery breaks down, vehicle cannot move.Patent 01101414.8 and 03239294.X propose to adopt segmented battery independently-powered, but its battery structure and management mode still cannot effectively address the above problem.For the civil nature of following electric motor car, need to design more scientific vehicle power especially.

Summary of the invention

The invention provides a kind of queue-type battery pack of electric motor car.

An electric motor car queue formula battery pack, comprises 2 above battery cells, it is characterized in that, also comprises for arranging the guide rail of battery cell; Power-supply management system; Battery capacity indication lamp.

As of the present invention preferred, described battery cell is arranged and is placed in order on described guide rail; Battery cell can be along the unidirectional slip of guide rail, and can only push from the entrance of guide rail one end, from the outlet of the other end, takes out; Described power-supply management system is controlled described battery cell, makes it by permanent order charge or discharge, and only opens one of them battery cell at every turn.

Preferably battery cell is arranged in order on guide rail as of the present invention, by guide rail entrance to Way out, is followed successively by full electric battery cell, non-full electric battery cell and without electric battery cell.

As of the present invention preferred, but the number of this change on-vehicle battery monomer of user.

Preferably described guide rail is provided with buckle as of the present invention, battery cell can be fixed on to corresponding position on guide rail after pressing buckle; When battery cell is fixed up on guide rail, its positive and negative electrode just in time docks with the corresponding pin of battery management system.

Preferably described guide rail is provided with buckle as of the present invention, battery cell can be fixed on to corresponding position on guide rail after pressing buckle; When battery cell is fixed up on guide rail, its positive and negative electrode just in time docks with the corresponding pin of battery management system.

As of the present invention preferably, described battery cell can be along the unidirectional slip of described guide rail, and can only push from guide rail one end, from the other end, takes out.

As more preferred mode of the present invention, the entrance of guide rail one end is full of electric battery cell for pushing, and the outlet of the guide rail other end is for taking out without electric battery cell.

As of the present invention preferred, power-supply management system can cycle detection and is obtained each battery cell state, be respectively full electricity, non-full electricity or electroless state, and regulate in real time the color of the battery capacity indication lamp of corresponding battery cell, the full electricity of green indication, yellow is indicated non-full electricity, and red indication is without electric, and lamp does not work and indicates vacancy or battery cell to break down; The cycle period that power-supply management system detects battery pack is lower than 1 second.

As of the present invention preferred, each battery cell is identical, can work independently, and by permanent order charge or discharge, only opens one of them battery cell at every turn, by described power-supply management system, is controlled; Described power-supply management system comprises a set of electronics control original paper, one group of pin docking with battery cell electrode, a charging inlet and an electric energy output interface.

As of the present invention preferred, described power-supply management system passes through to detect in real time the electric weight of each battery cell, and controls the operating state of each battery cell; Described power-supply management system, by charging inlet and extraneous power supply UNICOM, completes charging; By electric energy output interface, be that vehicle is powered.

The present invention also provides a kind of electric motor car, it is characterized in that, has the electric motor car queue formula battery pack described in above-mentioned any one.

What the present invention also provided above-mentioned electric motor car queue formula battery pack changes method for electrically, charging method and charging method.

Battery of electric vehicle group described in above-mentioned any one change a method for electrically, it is characterized in that, from guide rail outlet, take out without electric battery cell, and push and be full of electric full electric battery cell from guide rail entrance.

A charging method for electric motor car queue formula battery pack described in above-mentioned any one, the method comprises the following steps:

Setting up procedure, power-supply management system detects and obtains each battery cell state, is respectively full electricity, non-full electricity or electroless state; First open non-full battery cell, output electric energy; If the full electric monomer that non-full electric battery cell is just opened the most close guide rail outlet do not detected, output electric energy;

Switch step, power-supply management system is the current unlatching battery cell of cycle detection electric weight periodically, when finding that this battery cell electric weight is electroless state, first opens adjacent full electric battery cell, then disconnects current battery cell, uninterruptedly exports electric energy; When finding fail battery monomer or pin vacancy, skip this battery cell or pin, open next battery cell, continue above-mentioned discharge step.

A charging method for electric motor car queue formula battery pack described in above-mentioned any one, the method comprises the following steps:

Setting up procedure, power-supply management system detects and obtains each battery cell state, is respectively full electricity, non-full electricity or electroless state; First open non-full battery cell, charge; If there is no non-full electric battery cell, just open the most close guide rail entrance without electric battery cell, charge;

Switch step, power-supply management system is the current unlatching battery cell of cycle detection electric weight periodically, after it is full of electricity, automatically disconnects, and then opens adjacently without electric battery cell, successively had or not electric battery cell is charged; When running into fail battery monomer or pin vacancy, skip this battery cell or pin, open next battery cell, continue above-mentioned charge step.

In the present invention, several battery cells are arranged in sequence in on-vehicle battery, and each monomer can charge independence, discharge, change electricity, and is undertaken by fixing order, by vehicle-mounted power management system, automatically completes.While changing electricity, the queue-type order by ' first in first out, last-in, last-out ', guarantees that each monomer changes motor meeting.This technology can solve the series of problems in electric motor car use:

1. several battery cells are separate, and user can select ' changing electricity ' amount as required;

2. the dump energy charging problem in electric process is changed in basic elimination;

3. battery pack adopts the charge/discharge cycle pattern of queue-type, is conducive to extend the battery cell life-span;

4. certain battery cell breaks down, and battery pack still can normal power supply, guarantees vehicle operating, changes fault monomer than few many of the whole battery expense of replacing;

5. can unload part battery cell according to the needs of the distance of travelling, alleviate vehicle load, save the energy.

In a word, electric motor car adopts popularization and the commercial operation that queue-type battery pack is very beneficial for changing power mode.

Accompanying drawing explanation

Accompanying drawing 1 is battery pack structure schematic diagram.

Accompanying drawing 2 is power-supply management system workflow diagrams.

Embodiment

Embodiments of the present invention are below described with reference to the accompanying drawings.

Embodiment 1

Electric motor car queue formula battery pack as shown in Figure 1, comprises 2 above battery cells 1, characterized by further comprising for arranging the guide rail 2 of battery cell; Power-supply management system 3; Battery capacity indication lamp 4.

Battery cell is arranged and is placed in order on guide rail, and battery cell can be along the unidirectional slip of guide rail.

Battery capacity indication lamp 4 is turn colors in real time, indicates the state of charge of corresponding battery cell to be: full electric 1a, and non-full 1b, or without electric 1c.

While changing electricity, be full of electric battery cell and push from the entrance of guide rail one end, without electric battery cell, from the outlet of the guide rail other end, take out.For ease of description, push end and be defined as the place ahead, battery cell takes out end and is defined as rear.That is, from guide rail the place ahead, push and be full of electric battery cell, from guide rail rear by all or part of extraction of the battery cell without electric.

As depicted in figs. 1 and 2, under discharge mode, power-supply management system is first connected non-full battery cell 1b, and periodic cycle detects this battery cell electric weight, find that this battery cell electric weight is lower than threshold values, i.e. electroless state, just connect adjacent full electric battery cell 1a, then disconnect current battery cell, continue output electric energy, connect successively from back to front the electric battery cell that has in front.

Under charge mode, power-supply management system is first connected non-full battery cell 1b and is charged, and is full of automatically to be disconnected afterwards, then connects adjacently without electric battery cell 1c, continues charging, from front to back successively to rear without electric battery cell charging.

If battery cell breaks down, power-supply management system is skipped this battery cell, connects next battery cell and completes electric discharge or charging.

In use procedure, user can reduce the battery cell quantity that packs vehicle into as required, alleviates vehicle load.

Embodiment 2

Execution mode can be more specifically:

As shown in Figure 1, battery is comprised of four parts: battery cell 1, guide rail 2, power-supply management system 3 and indicator light 4.Battery is comprised of 2 above battery cells, and each battery cell is identical, can work independently, and by permanent order charge or discharge, only opens one of them battery cell at every turn, by power-supply management system, is controlled.Power-supply management system is that a set of electronics is controlled original paper, and its operation principle sees below.

As shown in Figure 1, battery cell is arranged on guide rail with card form, can be along the unidirectional slip of guide rail, and can only push from the entrance 2b of guide rail one end, from the outlet 2c of the guide rail other end, take out.Guide rail is provided with buckle 2a, after under buckle, battery cell can be fixed on to corresponding position on guide rail.When battery cell is fixed up on guide rail, its positive and negative electrode 1d just in time docks with the corresponding interface 3a of battery management system.

As shown in Figure 1, on guide rail, the corresponding positions of the battery cell is equipped with an indicator light, by power-supply management system, is controlled, and red, yellow and green indicating lamp be the state of charge of corresponding battery cell respectively: full electric 1a, non-full 1b and without electric 1c.Indicator light does not work, and represents that this position vacancy or this monomer break down.Bridge control console has one group of identical indicator light, is convenient to driver and understands current battery pack state.

As shown in Figure 1, power-supply management system passes through to detect in real time the electric weight of each battery cell, and controls the operating state of each battery cell.Power-supply management system, by charging inlet 3b and extraneous power supply UNICOM, completes charging; By electric energy output interface 3c, be that vehicle is powered.

As shown in Figure 2, according to the working method of electric motor car, battery pack has three mode of operations: charge mode, discharge mode and change power mode, by driver by the button preference pattern on bridge control console.

As shown in Figure 2, under discharge mode, power-supply management system detects and obtains each battery cell state: full electricity, and non-full, without electricity, then connect non-full monomer, if do not have non-full monomer just to connect the full electric monomer of the most close guide rail outlet 2c, output electric energy.Meanwhile, power-supply management system periodic cycle detects this monomer electric weight, and when finding that this battery cell electric weight is lower than threshold values, electroless state is just connected adjacent full electric monomer, then automatically disconnects current monomer, continues output electric energy.Cycle period was controlled in 1 second herein, to guarantee the continuity of power supply output.Here point out, very ripe to the detection technique of battery electric quantity, and extensive use.

As shown in Figure 2, under charge mode, power-supply management system detects and obtains each battery cell state: full electricity, non-full, without electricity, then connect non-full monomer, if there is no non-full monomer, connect the most close guide rail entrance 2b without electric monomer, at this moment external power supply is this monomer charging.Meanwhile, power-supply management system is this monomer electric weight of cycle detection ceaselessly, if be full of, is just automatically disconnected, then connects adjacently without electric monomer, continues to charge.To the last a monomer-free is full of electricity, by its disconnection.

As shown in Figure 2, change under power mode, power-supply management system detects and obtains each battery cell state: full electricity, and non-full, nothing is electric, opens the indicator light of corresponding monomer, the full electricity of green light indication, amber light refers to non-full, and red light is without electricity, and lamp does not work and indicates vacancy or break down.At this moment can extract out without electric monomer from guide rail outlet, also can push and be full of electric monomer from guide rail entrance.Battery status on power-supply management system cycle detection guide rail, and change in real time the color of indicator light.

By above design, battery pack is comprised of several independently battery cells, only connects one of them at every turn, by power-supply management system, is automatically switched, and partial monosomy breaks down, and other monomer can normal power supply.Meanwhile, change fault monomer than few many of the whole battery pack expense of replacing.

By above design, user can freely select on-vehicle battery monomer number as required, unloads part battery cell, alleviates vehicle load, saves the energy.

Embodiment 3

Further improvement on the basis of embodiment 2 can be:

As shown in Figure 1, battery cell 1 both sides are provided with groove 1e, and battery cell is stuck on guide rail.Guide rail 2 one end are that entrance 2b and the other end are outlet 2c, are respectively equipped with one-way interfaces, and limiting battery cell can only push from guide rail entrance 2b, and from guide rail outlet, 2c takes out; Battery cell 1 is arranged in order at guide rail 2, by guide rail entrance 2b to exporting that 2c direction is followed successively by full electric battery cell 1a, non-full electric battery cell 1b and without electric battery cell 1c.

Guide rail 2 is provided with row's buckle 2a, for battery cell being fixed on guide rail to specific position, in the just in time pin 3a docking corresponding with power-supply management system of this position cells monomer positive and negative electrode 1b, the corresponding pair of pins of each battery cell.

Under arbitrary patterns, power-supply management system 3 cycle detection are also obtained each battery cell state, and regulate in real time the color of the battery capacity indication lamp 4 of corresponding battery cell, as: the full electricity of green indication, yellow is indicated non-full electricity, and red indication is without electric, and lamp does not work and indicates vacancy or battery cell to break down; The cycle period that power-supply management system detects battery pack can be lower than 1 second.

Embodiment 4

Electric motor car queue formula battery pack of the present invention change a method for electrically, from the outlet of guide rail one end, take out without electric battery cell, and push and be full of electric full electric battery cell from the entrance of the guide rail other end.

By design of the present invention, can realize the puzzlement of freely selecting and eliminate ' dump energy ' of ' changing electricity ' amount.For example, battery pack is comprised of 10 battery cells, owing to only opening a battery cell at every turn, so only have a non-full battery cell.All battery cells of non-full electric battery cell one side are all electroless state, and all monomers of opposite side are all full power state.While changing electricity, only need will, without all or part of extraction of electric monomer, from guide rail entrance, push and be full of electric monomer from guide rail outlet.User can freely select to change amount of monomer.A battery cell at most only stores the electric weight of battery pack 10%.Therefore, select to retain non-full electric battery cell, little on the total electric weight impact of battery pack, also little on the course continuation mileage impact of vehicle; This monomer is changed in selection, and electric quantity loss is also super only 10%, and also can be by dump energy, measurement deducts the fee.

By above design, adopt the queue-type of ' first in first out, last-in, last-out ' to change electric order, each battery cell can obtain the chance of electric discharge, extending battery life.

Embodiment 5

A charging method for electric motor car queue formula battery pack of the present invention, the method comprises the following steps:

Setting up procedure, power-supply management system detects and obtains the state of charge of each battery cell, is respectively full electricity, non-full electricity or electroless state; First open non-full electric battery cell, output electric energy; If the full electric battery cell that non-full electric battery cell is just opened the most close guide rail outlet do not detected, output electric energy;

Switch step, power-supply management system is the electric weight of the current unlatching battery cell of cycle detection periodically, when finding that this battery cell electric weight is electroless state, first opens adjacent full electric battery cell, then disconnects current battery cell, uninterruptedly exports electric energy; When running into fail battery monomer or vacancy, skip this battery cell or room, open next full electric battery cell, continue above-mentioned discharge step.

Embodiment 6

A charging method for electric motor car queue formula battery pack of the present invention, the method comprises the following steps:

Setting up procedure, power-supply management system detects all battery cell electric weight, and obtains each battery cell state and be: full electric, non-full or electroless state; First open non-full electric battery cell, charge; If there is no non-full electric battery cell, just open the most close guide rail entrance without electric battery cell, charge;

Switch step, power-supply management system is the electric weight of the current unlatching battery cell of cycle detection periodically, after it is full of electricity, automatically disconnects, and then opens adjacently without electric battery cell, successively had or not electric battery cell is charged; When running into fail battery monomer or vacancy, skip this battery cell or room, open the next one without electric battery cell, continue above-mentioned charge step.

Claims (8)

1. an electric motor car queue formula battery pack, comprises 2 above battery cells, it is characterized in that, also comprises for arranging the guide rail of battery cell; Power-supply management system; Battery capacity indication lamp; Described battery cell is arranged and is placed in order on described guide rail; Battery cell can be along the unidirectional slip of guide rail, and can only push from the entrance of guide rail one end, from the outlet of the other end, takes out.
2. electric motor car queue formula battery pack according to claim 1, is characterized in that, battery cell is arranged in order on guide rail, by guide rail entrance to Way out, is followed successively by full electric battery cell, non-full electric battery cell and without electric battery cell.
3. electric motor car queue formula battery pack according to claim 1 and 2, is characterized in that, user can change the number of on-vehicle battery monomer.
4. electric motor car queue formula battery pack according to claim 1 and 2, is characterized in that, described power-supply management system is controlled described battery cell, makes it by permanent order charge or discharge, and only opens one of them battery cell at every turn; Power-supply management system can cycle detection and is obtained each battery cell state, be respectively full electricity, non-full electricity or electroless state, and regulate in real time the color of the battery capacity indication lamp of corresponding battery cell, the full electricity of green indication, the non-full electricity of yellow indication, red indication is without electricity, and lamp does not work and indicates vacancy or battery cell to break down.
5. an electric motor car, is characterized in that, has the electric motor car queue formula battery pack described in any one in claim 1 to 4.
Electric motor car queue formula battery pack described in claim 1 to 4 any one change a method for electrically, it is characterized in that, from guide rail outlet, take out without electric battery cell, and push and be full of electric full electric battery cell from guide rail entrance.
7. a charging method for the electric motor car queue formula battery pack described in claim 1 to 4 any one, the method comprises the following steps:
Setting up procedure, power-supply management system detects and obtains each battery cell state, is respectively full electricity, non-full electricity or electroless state; First open non-full electric battery cell, output electric energy, if non-full electric battery cell do not detected, just opens the full electric battery cell of the most close guide rail outlet, output electric energy;
Switch step, power-supply management system is the electric weight of the current unlatching battery cell of cycle detection periodically, and cycle period is lower than 1 second, when finding that this battery cell electric weight reaches electroless state, first open adjacent full electric battery cell, then disconnect current battery cell, uninterruptedly export electric energy; When running into fail battery monomer or vacancy, skip this battery cell or room, open next battery cell, continue above-mentioned discharge step.
8. a charging method for the electric motor car queue formula battery pack described in claim 1 to 4 any one, the method comprises the following steps:
Setting up procedure, power-supply management system detects and obtains each battery cell state, is respectively full electricity, non-full electricity or electroless state; First open non-full electric battery cell, charge, if non-full electric battery cell do not detected, just open the most close guide rail entrance without electric battery cell, charge;
Switch step, power-supply management system is the electric weight of the current unlatching battery cell of cycle detection periodically, when finding first to be disconnected when this battery cell is full of electricity, then opens adjacently without electric battery cell, successively had or not electric battery cell is charged; When running into fail battery monomer or vacancy, skip this battery cell or room, open next battery cell, continue above-mentioned charge step.
CN201210577017.4A 2012-05-06 2012-12-27 Queue type battery pack of electric vehicle CN103022548B (en)

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CN201220198082 2012-05-06
CN201210577017.4A CN103022548B (en) 2012-05-06 2012-12-27 Queue type battery pack of electric vehicle

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CN103022548B (en) * 2012-05-06 2014-11-05 王雪飞 Queue type battery pack of electric vehicle
CN105610215B (en) * 2015-12-01 2018-10-02 深圳市大疆创新科技有限公司 For electric installation, method for controlling power supply and using the movable fixture for electric installation

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CN1605514A (en) * 2004-11-11 2005-04-13 兰州开创科技有限公司 Electric public transport system
CN101640430A (en) * 2009-09-07 2010-02-03 清华大学 Dynamic balancing device for vehicle power battery
CN203046925U (en) * 2012-05-06 2013-07-10 王雪飞 Queue type battery pack of electrombile and electrombile provided with queue type battery pack

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JP5193660B2 (en) * 2008-04-03 2013-05-08 株式会社日立製作所 Battery module, power storage device including the same, and electric system
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Publication number Priority date Publication date Assignee Title
CN1605514A (en) * 2004-11-11 2005-04-13 兰州开创科技有限公司 Electric public transport system
CN101640430A (en) * 2009-09-07 2010-02-03 清华大学 Dynamic balancing device for vehicle power battery
CN203046925U (en) * 2012-05-06 2013-07-10 王雪飞 Queue type battery pack of electrombile and electrombile provided with queue type battery pack

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