CN204216603U - A kind of battery pack structure of electric automobile - Google Patents
A kind of battery pack structure of electric automobile Download PDFInfo
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- CN204216603U CN204216603U CN201420603996.0U CN201420603996U CN204216603U CN 204216603 U CN204216603 U CN 204216603U CN 201420603996 U CN201420603996 U CN 201420603996U CN 204216603 U CN204216603 U CN 204216603U
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- 238000011161 development Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000007613 environmental effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
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Abstract
The utility model relates to electric automobile field, particularly a kind of battery pack structure of electric automobile.Electric automobile there are at least one charging inlet and quick charge interface corresponding with battery assembly module quantity at a slow speed, the fast charge switch for controlling battery assembly module quick charge is provided with between each quick charge interface and each battery assembly module, can charge to several battery assembly module simultaneously, shorten the charging interval.Battery assembly module and be provided with at a slow speed charge/discharge master switch and at a slow speed charge/discharge switch at a slow speed between charging inlet, at a slow speed charge/discharge master switch and at a slow speed each battery assembly module of charge/discharge switch co-controlling electric discharge and charge at a slow speed, the charge and discharge process of several battery assembly module is independent, avoid " short-board effect ", reduce the too high required a large amount of production costs of internal battery pack battery assembly module coherence request.
Description
Technical field
The utility model relates to electric automobile field, particularly a kind of battery pack structure of electric automobile.
Background technology
The advantage of electric automobile in economy and environmental protection becomes the direction of automobile future development, and pure electric automobile is then the ultimate aim of development of automobile, but pure electric automobile technology is limited by the development of battery technology at present, also has a lot of weak point.These shortcomings can summary and induction be 2 points from technical standpoint: one is that continual mileage is not long, and namely the specific energy of battery is not high; Two is that the charging interval is long, and namely the high power charging performance of energy-type cells is bad.These two shortcomings limit the development of pure electric automobile from technological layer.Simultaneously, the arrangement that the battery assembly module of current batteries of electric automobile group charges simultaneously makes the energy of battery pack large, add the security risk of battery pack, and this mode in use exists " short-board effect " due to battery assembly module, high to the coherence request of battery assembly module, indirectly add research and development and the production cost of battery, be unfavorable for the extensive industrialization of electric automobile in the current generation.
Utility model content
The purpose of this utility model is the battery pack structure providing a kind of electric automobile.The battery assembly module of this battery pack can quick charge simultaneously, solve the problem of charging electric vehicle time length, several battery assembly module provides electric energy jointly, reduce the requirement for single battery group unit electricity, solve security risk, the charge and discharge process of battery assembly module is independent of one another simultaneously, avoids " short-board effect ", reduces the too high required a large amount of production costs of internal battery pack coherence request.
The technical solution of the utility model is: a kind of battery pack structure of electric automobile, the battery pack of electric automobile is made up of the battery assembly module of multiple Parallel opertation, described each battery assembly module is all electrically connected with fast charge switch and charge/discharge switch at a slow speed, the described switch of the charge/discharge at a slow speed other end is connected to one at a slow speed on charge/discharge master switch jointly.
Further, described electric automobile is provided with the quick charge interface corresponding with battery assembly module quantity, described fast charge switch is connected between corresponding battery assembly module and corresponding quick charge interface.
Further, described electric automobile is provided with at least one charge/discharge interface at a slow speed, the described master switch of charge/discharge is at a slow speed connected to battery assembly module and at a slow speed between charge/discharge interface, each is connected with charge/discharge master switch at a slow speed charge/discharge switch one end at a slow speed, and the other end connects with corresponding battery assembly module.
Further, described battery assembly module to be arranged in the middle part of generation automotive underbody and a back seat place of these two positions or two places behind.
The beneficial effects of the utility model are: the battery assembly module of each Parallel opertation provides electric energy jointly, require to reduce, reduce the security risk of battery pack to the electricity of battery pack.Each battery assembly module all arranges quick charge interface, quick charge is carried out to each battery assembly module simultaneously, the charging interval can be controlled, within 5 minutes, to substantially reduce the charging interval.Each battery assembly module all arranges charge/discharge switch at a slow speed, at charging inlet place at a slow speed, charge/discharge master switch is at a slow speed set, by the acting in conjunction of charge/discharge switch at a slow speed and charge/discharge master switch at a slow speed, charging and discharging at a slow speed can be carried out separately to each battery assembly module, be independent of each other each other between battery assembly module, avoid the discharge and recharge problem that " short-board effect " causes.Meanwhile, battery assembly module is arranged in the behind with back seat in the middle part of car floor, has saved arrangement space, avoided driving process simultaneously and damaged in collision is caused to battery assembly module.
Accompanying drawing explanation
Fig. 1 is the utility model arrangement figure;
Fig. 2 is battery assembly module circuit catenation principle figure;
In figure: 1-electric automobile, 2-battery assembly module, 3-quick charge interface, 4-charging inlet at a slow speed, 5-the first battery assembly module, the 6-the second battery assembly module, the 7-the three battery assembly module, 8-the first quick charge interface, 9-the second quick charge interface, the 10-the three quick charge interface, 11-charge/discharge master switch at a slow speed, 12-the first fills relay soon, 13-the second fills relay soon, and 14-the three fills relay soon, the 15-the first trickle charge relay, 16-the second trickle charge relay, the 17-the three trickle charge relay.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Specific embodiment described herein only in order to explain the utility model, and is not used in restriction the utility model.In addition, if below in described each execution mode of the utility model involved technical characteristic do not form conflict each other and just can mutually combine.
Battery assembly module of the present utility model can use many groups as required, and its quantity is not limit, and the present embodiment adopts three Battery pack group unit to be described.As shown in Figure 1, the present embodiment comprises the battery assembly module 2 of 3 Parallel opertation, be respectively the first battery assembly module 5, second battery assembly module 6 and the 3rd battery assembly module 7, wherein T-shaped setting between the first battery cell 5 and the second battery cell 6, in the middle part of the base plate that they are arranged on electric automobile 1, and the 3rd battery assembly module 7 is arranged on the back of electric automobile 1 back seat.Such layout reduces the probability that battery assembly module and external object collide, multiple battery assembly module provides the setting of electric energy to make the electricity of electric automobile 1 to each battery assembly module require to reduce jointly, improve the security performance of battery pack, and save cost.Electric automobile 1 is provided with quick charge interface 3 and charging inlet 4 at a slow speed, they are all connected with battery assembly module 2.Quick charge interface 3 is made up of the first quick charge interface 8, second quick charge interface 9 and the 3rd quick charge interface 10, wherein the first quick charge interface 8 is arranged on the body structure of electric automobile 1, second quick charge interface 9 and the 3rd quick charge interface 10 are arranged on body rear end, charging inlet 4 is arranged on the second quick charge interface 9 side at a slow speed, it is connected with the motor of electric automobile 1, for making each battery assembly module to feeding electric motors, drive the use of electric automobile 1.
Be illustrated in figure 2 battery assembly module circuit catenation principle figure.Each battery assembly module 2 is all electrically connected with fast charge switch and charge/discharge switch at a slow speed, the charge/discharge switch other end is connected to one at a slow speed on charge/discharge master switch 11 jointly at a slow speed.Wherein in the present embodiment, all switches all adopt relay.Fast charge switch comprises first and fills relay 12 soon, and second fills relay 13 and the 3rd soon fills relay 14 soon.First fills relay 12 is soon connected between the first battery assembly module 5 and the first quick charge interface 8, second fills relay 13 is soon connected between the second battery assembly module 6 and the second quick charge interface 9, and the 3rd fills relay 14 is soon connected between the 3rd battery assembly module 7 and the 3rd quick charge interface 10.Charge/discharge switch comprises the first trickle charge relay 15, second trickle charge relay 16 and the 3rd trickle charge relay 17 at a slow speed.Charging inlet 4 place is at a slow speed provided with a charge/discharge master switch 11 at a slow speed, first trickle charge relay 15 is connected to the first battery assembly module 5 and at a slow speed between charge/discharge master switch 11, second trickle charge relay 16 is connected to the second battery assembly module 6 and at a slow speed between charge/discharge master switch 11, and the 3rd trickle charge relay 17 is connected to the 3rd battery assembly module 7 and at a slow speed between charge/discharge master switch 11.
Closed first fills relay 12 soon, can carry out quick charge to the first battery assembly module 5, closed second fills relay 13 soon, can carry out quick charge to the second battery assembly module 6, closed 3rd fills relay 14 soon, can carry out quick charge to the 3rd battery assembly module 7.Closed first fills relay 12, second soon and fills relay 13 and the 3rd soon and fill 14, relay soon can carry out quick charge to three battery assembly modules simultaneously simultaneously.Power and energy can be had concurrently the state-of-charge of type batteries charging to 80% by this arrangement in 5 minutes, significantly shortened current 30 minutes by the charging interval of the state-of-charge of batteries charging to 80%.
Charging inlet 4 can respectively to one or several charging in three battery assembly modules at a slow speed.Wherein the first trickle charge relay 15 and charge/discharge master switch 11 can control charging at a slow speed and travelling of the first battery assembly module 5 at a slow speed time whether use this battery cell to the electric discharge of electric automobile 1 motor; Whether the second trickle charge relay 16 and at a slow speed charge/discharge master switch 11 use this battery assembly module to the electric discharge of electric automobile 1 motor when can control charging at a slow speed and travelling of the second battery assembly module 6; Whether the 3rd trickle charge relay 16 and at a slow speed charge/discharge master switch 11 use this battery assembly module to the electric discharge of electric automobile 1 motor when can control charging at a slow speed and travelling of the 3rd battery assembly module 7.The charge and discharge process of three battery assembly modules can be controlled separately by three trickle charge relays, make to be independent of each other each other.
Before supposing charging at a slow speed, the sequence of the state-of-charge of three battery assembly modules is: the state-of-charge of state-of-charge > the 3rd battery assembly module 7 of state-of-charge > second battery assembly module 6 of the first battery assembly module 5, first closed 3rd trickle charge relay 16 and charge/discharge master switch 11 at a slow speed during charging, 3rd battery assembly module 7 is charged, when the state-of-charge of the 3rd battery assembly module 7 is equal with the state-of-charge of the second battery assembly module 6, then closed second trickle charge relay 16, continue to charge to the second battery assembly module 6 and the 3rd battery assembly module 7 simultaneously, when the state-of-charge of the second battery assembly module 6 and the 3rd battery assembly module 7 is equal with the state-of-charge of the first battery assembly module 5, then closed first trickle charge relay 15, continue the first battery assembly module 5, second battery assembly module 6 and the 3rd battery assembly module 7 charge simultaneously.
Suppose that charging terminates latter stage, first first battery assembly module 5 reaches charge cutoff condition, then first disconnect the first trickle charge relay 15, continue to charge to the second battery assembly module 6 and the 3rd battery assembly module 7, if the second battery assembly module 6 reaches again charge cutoff condition subsequently, then disconnect the second trickle charge relay 16, continue to charge to the 3rd battery assembly module 7, until the 3rd battery assembly module 7 also reaches charge cutoff condition, then charging complete at a slow speed.So, then can be full of by the maximized electricity by battery pack, reduce the impact that " short-board effect " due to certain battery assembly module causes whole batteries charging.In addition, in three battery assembly modules any one or several electric quantity consumption is complete time, can electrical changing station to wherein any one or severally carry out fast quick change electric treatment.
Before supposing that electric automobile 1 travels, the sequence of the state-of-charge of three battery assembly modules is: the state-of-charge of state-of-charge > the 3rd battery assembly module 7 of state-of-charge > second battery assembly module 6 of the first battery assembly module 5.First closed first trickle charge relay 15 and at a slow speed charge/discharge master switch 11, the first battery assembly module 5 is used to drive automobile, when the state-of-charge of the first battery assembly module 5 is equal with the state-of-charge of the second battery assembly module 6, then closed second trickle charge relay 16, use the first battery assembly module 5 and the second battery assembly module 6 to drive automobile simultaneously, when the state-of-charge of the first battery assembly module 5 and the second battery assembly module 6 is equal with the state-of-charge of the 3rd battery assembly module 7, then closed 3rd trickle charge relay 16, use the first battery assembly module 5 simultaneously, second battery assembly module 6 and the 3rd battery assembly module 7 drive automobile.Suppose that electric discharge terminates latter stage, first first battery assembly module 5 reaches electric discharge cut-off condition, then first disconnect the first trickle charge relay 15, continue to use the second battery assembly module 6 and the 3rd battery assembly module 7 to drive automobile simultaneously, if the second battery assembly module 6 also reaches electric discharge cut-off condition subsequently, then disconnect the second trickle charge relay 16, continue use the 3rd battery assembly module 7 and drive automobile, until the 3rd battery assembly module 7 also reaches electric discharge cut-off condition.Like this then can the energy of maximized use battery pack, reduce because " short-board effect " of certain battery cell is on the impact using battery driven automobile to cause.
Battery cell of the present utility model mode freely can combine as shown in form below:
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection range that all should belong to the utility model claims.
Claims (4)
1. the battery pack structure of an electric automobile, it is characterized in that: the battery pack of electric automobile (1) is made up of the battery assembly module (2) of multiple Parallel opertation, described each battery assembly module (2) is all electrically connected with fast charge switch and charge/discharge switch at a slow speed, the described switch of the charge/discharge at a slow speed other end is connected to one at a slow speed on charge/discharge master switch (11) jointly.
2. the battery pack structure of a kind of electric automobile as claimed in claim 1, it is characterized in that: described electric automobile (1) is provided with the quick charge interface (3) corresponding with battery assembly module (2) quantity, described fast charge switch is connected between corresponding battery assembly module (2) and corresponding quick charge interface (3).
3. the battery pack structure of a kind of electric automobile as claimed in claim 1, it is characterized in that: described electric automobile (1) is provided with at least one charge/discharge interface (4) at a slow speed, the described master switch of charge/discharge at a slow speed (11) is connected to battery assembly module (2) and at a slow speed between charge/discharge interface (4), each is connected with charge/discharge master switch (11) at a slow speed charge/discharge switch one end at a slow speed, and the other end connects with corresponding battery assembly module (2).
4. the battery pack structure of a kind of electric automobile as claimed in claim 1, is characterized in that: described battery assembly module (2) to be arranged in the middle part of electric automobile (1) base plate and a back seat place of these two positions or two places behind.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420603996.0U CN204216603U (en) | 2014-10-17 | 2014-10-17 | A kind of battery pack structure of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420603996.0U CN204216603U (en) | 2014-10-17 | 2014-10-17 | A kind of battery pack structure of electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204216603U true CN204216603U (en) | 2015-03-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420603996.0U Expired - Lifetime CN204216603U (en) | 2014-10-17 | 2014-10-17 | A kind of battery pack structure of electric automobile |
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| Country | Link |
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| CN (1) | CN204216603U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319837A (en) * | 2014-10-17 | 2015-01-28 | 东风电动车辆股份有限公司 | Battery pack structure of electric automobile and charging and discharging method of battery pack |
| CN109274149A (en) * | 2018-09-30 | 2019-01-25 | 北京朗正智能科技有限公司 | Electric flux switching equipment, cell apparatus and battery maintenance system |
| US10259336B2 (en) | 2016-10-18 | 2019-04-16 | Ford Global Technologies, Llc | Charging a battery using interpack switch |
| CN110843599A (en) * | 2019-11-26 | 2020-02-28 | 安徽合力股份有限公司 | High-capacity lithium battery pack charging and discharging control system and control method thereof |
-
2014
- 2014-10-17 CN CN201420603996.0U patent/CN204216603U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319837A (en) * | 2014-10-17 | 2015-01-28 | 东风电动车辆股份有限公司 | Battery pack structure of electric automobile and charging and discharging method of battery pack |
| US10259336B2 (en) | 2016-10-18 | 2019-04-16 | Ford Global Technologies, Llc | Charging a battery using interpack switch |
| CN109274149A (en) * | 2018-09-30 | 2019-01-25 | 北京朗正智能科技有限公司 | Electric flux switching equipment, cell apparatus and battery maintenance system |
| CN110843599A (en) * | 2019-11-26 | 2020-02-28 | 安徽合力股份有限公司 | High-capacity lithium battery pack charging and discharging control system and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200114 Address after: 430056 No. 339 Chaoyang Avenue, Wuhan Economic and Technological Development Zone, Wuhan City, Hubei Province Patentee after: Zhixin Technology Co., Ltd Address before: 430056 No. 108 Dongfeng Avenue, Wuhan economic and Technological Development Zone, Wuhan, Hubei, Hubei Patentee before: Dongfeng Electric Vehicles Co., Ltd. |