CN204029956U - Electric automobile power battery - Google Patents
Electric automobile power battery Download PDFInfo
- Publication number
- CN204029956U CN204029956U CN201420386080.4U CN201420386080U CN204029956U CN 204029956 U CN204029956 U CN 204029956U CN 201420386080 U CN201420386080 U CN 201420386080U CN 204029956 U CN204029956 U CN 204029956U
- Authority
- CN
- China
- Prior art keywords
- battery
- management system
- cover plate
- battery pack
- electric automobile
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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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
Abstract
The utility model belongs to electric automobile manufacturing technology field, refer in particular to a kind of electric automobile power battery, comprise box body and lid, described box body bottom is provided with the parting bead that box body inner chamber is divided into several battery installation rooms and a master-control room, in described battery installation room, be provided with battery pack, in described master-control room, battery management system is installed, punching is installed on the box body wall of master-control room one side and puts interface; Described battery pack series connection is integrated and is connected with battery management system, and battery management system is put interface with punching and is connected; The lithium battery that described battery pack is connected mutually by several forms; On series circuit between adjacent lithium battery, draw respectively a voltage acquisition line to battery management system.Battery pack long service life of the present utility model, perfect heat-dissipating, anti seismic efficiency is better, safe and reliable; Wiring of the present utility model is succinct, is easy to I& M, and battery, in long-term use procedure, if there is certain batteries performance excessively poor, needs to change, and dismantles easy.
Description
Technical field
The utility model belongs to electric automobile manufacturing technology field, refers in particular to a kind of electric automobile power battery.
Background technology
Hybrid power and pure electric automobile have better effects of energy conservation and environmental protection because of it compared to traditional power automobile, are therefore more and more subject to the favor in market.Electric automobile power battery is the key point that hybrid power and pure electric automobile are achieved, at present, there is following problem in the electric automobile power battery (taking the disclosed electric automobile power battery of ZL201010600536.9 as example) on market: 1, battery pack is short useful life, heat dispersion is poor, anti seismic efficiency is general, and fail safe is lower; 2, maintainability is poor, and battery, in long-term use procedure, if there is certain batteries performance excessively poor, needs to change, and dismounting is very inconvenient; 3, the wiring complexity in battery, safeguards inconvenience.
Summary of the invention
It is simple that the purpose of this utility model is to provide a kind of wiring, perfect heat-dissipating, the electric automobile power battery that is easy to administer and maintain.
The purpose of this utility model is achieved in that
Electric automobile power battery, comprise box body and lid, described box body bottom is provided with the parting bead that box body inner chamber is divided into several battery installation rooms and a master-control room, in described battery installation room, be provided with battery pack, in described master-control room, battery management system is installed, punching is installed on the box body wall of master-control room one side and puts interface; Described battery pack series connection is integrated and is connected with battery management system, and battery management system is put interface with punching and is connected; The lithium battery that described battery pack is connected mutually by several forms; On series circuit between adjacent lithium battery, draw respectively a voltage acquisition line to battery management system.
Preferably, described battery installation room is provided with stabilizing bracket, stabilizing bracket by spacing battery pack in battery installation room; Described stabilizing bracket is the framework being sleeved in battery pack, and framework upside forms the crossbeam that is against battery pack middle part, and the middle part of crossbeam is provided with the bar hole for battery pack liquid feeding.
Preferably, the both sides of described crossbeam are respectively arranged with the cover fillet of specification configuration; Described voltage acquisition line all stretches in the metallic channel between cover fillet and crossbeam, then extends to the wiring groove between stabilizing bracket and box side wall; Voltage acquisition line stretches out wiring groove and is connected with battery management system.
Preferably, the both sides that interface is put in described punching are provided with positioning guide column.
Preferably, described battery management system connects described lithium battery by temperature acquisition line respectively.
Preferably, described lithium battery comprises the square column type housing that upper end is uncovered, and the upper port of housing is provided with cover plate assembly, and cover plate assembly is made up of cover plate and strutting piece; In housing, be provided with both positive and negative polarity pole piece, barrier film and electrolyte, described pole piece is provided with lug, and the arranged on left and right sides of described cover plate assembly is respectively arranged with the electrode deriving structure that connects corresponding lug;
Described electrode deriving structure comprises a cylindrical electrode column, the inner of this electrode column has for increasing and the connecting portion of the connection area of described lug, one end that this electrode column passes cover plate assembly is arranged with locking nut, and electrode column and cover plate assembly described under the effect of this locking nut are connected; Described connecting portion is bar shaped and arrange vertical with electrode column, described lug is laterally connected with this bar shaped connecting portion, above-mentioned strutting piece is between connecting portion and cover plate, and a side of described strutting piece is resisted against on this connecting portion, and its opposite side is against on the cover board;
In the liquid injection hole at cover plate assembly middle part, be provided with fluid injection assembly, fluid injection assembly comprises the stainless steel nut being screwed in liquid injection hole, in described stainless steel nut, be provided with burst disk and prevent the seal plug that burst disk comes off, described seal plug is fixed in described stainless steel nut by engage thread;
Two described electric conductors that electrode column is different colours.
The utility model compared to existing technology outstanding and useful technique effect is:
Battery pack long service life of the present utility model, perfect heat-dissipating, anti seismic efficiency is better, safe and reliable;
Wiring of the present utility model is succinct, is easy to I& M, and battery, in long-term use procedure, if there is certain batteries performance excessively poor, needs to change, and dismantles easy;
Lithium battery casing of the present utility model is the uncovered square column type housing in upper end, the upper port of housing is provided with cover plate assembly, the arranged on left and right sides of cover plate assembly is respectively arranged with electrode deriving structure, traditional design of setting up electrode deriving structure separately at the upper and lower two ends of housing is compared in this design, it is simple in structure, easy to assembly, good stability.
The electric conductor that two electrode columns of lithium battery of the present utility model are different colours, when this design makes as lithium battery electric discharge or charging, is easier to differentiate both positive and negative polarity, has improved fail safe.
Brief description of the drawings
Fig. 1 is the schematic diagram of box body of the present utility model.
Fig. 2 is that interface schematic diagram is put in punching of the present utility model.
Fig. 3 is internal structure sketch of the present utility model.
Fig. 4 is the structure diagram of stabilizing bracket of the present utility model.
Fig. 5 is the schematic diagram of insulating lid of the present utility model.
Fig. 6 is the exploded view of lithium battery of the present utility model.
In figure: 1-locking nut; 2-through hole; 3-through hole; 5-plastic spacer; 6-electrode column; 7-limiting section; 8-connecting portion; 9-housing; 10-seal plug; 11-stainless steel gasket; 12-burst disk; 13-stainless steel nut; 14-plastic spacer; 15-liquid injection hole; 16-inlet opening; 17-strutting piece; 18-locking nut; 19-through hole; 20-through hole; 21-plastic spacer; 22-electrode column; 23-limiting section; 24-connecting portion;
30-box body; 31-parting bead; 32-battery installation room; Interface installation position is put in 33-punching; 34-master-control room; 35-battery installation room; 36-battery installation room; 37-lid; 38-wiring groove; 39-positioning guide column; Interface is put in 40-punching; 41-positioning guide column; 42-lithium battery; 43-voltage acquisition line; 44-cover fillet; The 45-bar of connecting; 46-lithium battery; 47-voltage acquisition line; 48-battery management system; 49-stabilizing bracket; 50-crossbeam; 51-bar hole; 52-insulating lid; 53-dust-proof radiating hole; 54-louvre.
Embodiment
The utility model is further described with specific embodiment below in conjunction with accompanying drawing:
Electric automobile power battery, comprise box body 30 and lid 37, described box body 30 bottoms are provided with box body 30 inner chambers are divided into several battery installation rooms 32,35,36 and the parting bead 31 of a master-control room 34, in described battery installation room, be provided with battery pack, in described master-control room, battery management system is installed, battery management system is prior art, and it is open in ZL20100600536.9, punching is installed on box body 30 walls of master-control room one side and puts interface 40; Described battery pack series connection is integrated and is connected with battery management system 48, and battery management system is put interface with punching and is connected; The lithium battery that described battery pack is connected mutually by several forms; On series circuit between adjacent lithium battery, draw respectively a voltage acquisition line 43,47 to battery management system 48.
Preferably, described battery installation room is provided with stabilizing bracket 49, stabilizing bracket 49 by spacing battery pack in battery installation room; Described stabilizing bracket is the framework being sleeved in battery pack, framework upside forms the crossbeam 50 that is against battery pack middle part, the middle part of crossbeam 50 is provided with the bar hole 51 for battery pack liquid feeding, the profile of stabilizing bracket 49 and battery installation room adapt, same, the number of crossbeam 50 is also identical with the number of battery pack.The wing plate of stabilizing bracket 49 sidepieces is arranged on parting bead by bolt, and stabilizing bracket 49 guarantees that battery pack can not produce movement in box body.
Between the top of described stabilizing bracket and lid, be provided with insulating lid 52, insulating lid is screwed on stabilizing bracket by bolt, and the middle part of insulating lid is provided with above together dust-proof radiating hole 53, and dust-proof radiating hole 53 is positioned at bar hole 51 tops of described crossbeam; All sides at insulating lid 52 middle parts are provided with louvre 54.Insulating lid 52 can be protected battery pack, makes the longer service life of battery pack.
Preferably, the both sides of described crossbeam 50 are respectively arranged with the cover fillet 44 of specification configuration; Described voltage acquisition line all stretches in the metallic channel between cover fillet and crossbeam, then extends to the wiring groove 38 between stabilizing bracket and box body 30 sidewalls; Voltage acquisition line stretches out wiring groove and is connected with battery management system 48.
Preferably, the both sides that interface 40 is put in described punching are provided with positioning guide column 39,41, the outer end of positioning guide column 39,41 exceed punching put interface 40 end face, this design makes punching put interface 40 and be more easily connected with the parts on automobile.
Preferably, described battery management system 48 connects described lithium battery 42 by temperature acquisition line (not shown) respectively, that is, and and the temperature of battery management system 48 each lithium battery of monitoring.
Preferably, described lithium battery comprises the square column type housing 9 that upper end is uncovered, and the upper port of housing 9 is provided with cover plate assembly, and cover plate assembly is made up of cover plate and strutting piece; In housing, be provided with both positive and negative polarity pole piece, barrier film and the electrolyte (core component of both positive and negative polarity pole piece, barrier film and electrolyte composition lithium battery, it is prior art, no longer describe in detail), described pole piece is provided with lug, and the arranged on left and right sides of described cover plate assembly is respectively arranged with the electrode deriving structure that connects corresponding lug;
Described electrode deriving structure comprises a cylindrical electrode column 6,22, the inner of this electrode column has for increasing and the connecting portion of the connection area of described lug, one end that this electrode column passes cover plate assembly is arranged with locking nut 1,18, electrode column and cover plate assembly described under the effect of this locking nut are connected; Described connecting portion is bar shaped and arrange vertical with electrode column, described lug is laterally connected with this bar shaped connecting portion, above-mentioned strutting piece is between connecting portion and cover plate, and a side of described strutting piece is resisted against on this connecting portion, and its opposite side is against on the cover board;
In the liquid injection hole at cover plate assembly middle part, be provided with fluid injection assembly, fluid injection assembly comprises the stainless steel nut 13 being screwed in liquid injection hole 15, in described stainless steel nut, be provided with burst disk 12 and prevent the seal plug 10 that burst disk comes off, described seal plug is fixed in described stainless steel nut 13 by engage thread;
The electric conductor that described two electrode columns 6,22 are different colours.
Strutting piece 17 is made up of plastic material, and the strutting piece of being made up of plastic material, except firm in structure, also plays insulating effect, low cost of manufacture.In the time that electrode column uses as positive pole, adopt and be formed from aluminium; In the time that electrode column uses as negative pole, be made of copper.
Preferably, described connecting portion is bar shaped and arrange vertical with electrode column, and described lug is laterally connected with this bar shaped connecting portion, and above-mentioned strutting piece is between connecting portion and cover plate, and a side of described strutting piece is resisted against on this connecting portion, and its opposite side is against on the cover board.The contact area of bar shaped connecting portion and lug is large, and manufacture and easy to process, and electric current is less through the heat of out-of-date resistance decreasing, generation.
Preferably, described strutting piece is and similar tabular of housing shape of cross section, the middle part of described strutting piece has the through hole matching with above-mentioned electrode column, and above-mentioned electrode column is arranged in this through hole, is also provided with the inlet opening being communicated with above-mentioned liquid injection hole on described strutting piece; The edge of described strutting piece has the extension extending internally along housing sidewall, and described extension abuts on the inwall of described housing.
Preferably, have limiting section 7,23 on described electrode column, have the limit chamber that holds this limiting section on described strutting piece, the electrode column described in the time that described limiting section is positioned at this limit chamber and strutting piece are circumferentially fixing.
Preferably, between described connecting portion and strutting piece, be provided with the plastic spacer being sheathed on electrode column, between described locking nut and cover plate, be also provided with the plastic spacer being sheathed on electrode column; Described strutting piece is made up of plastic material.
Preferably, in described stainless steel nut, have ring-shaped step, a side of above-mentioned burst disk is resisted against on this ring-shaped step, and its opposite side and above-mentioned seal plug lean.
Preferably, between described stainless steel nut and cover plate, be also provided with plastic spacer 14.
Preferably, between described burst disk and seal plug, be provided with stainless steel gasket.
In this square lithium battery, cover plate is connected by mode and the housing of laser welding.By increasing the connection area between electrode column and lug, make resistance decreasing, electric current is less through the heat of out-of-date generation, has stopped to a certain extent the problem of lithium battery excess Temperature, security performance increases substantially, and has extended the useful life of this quadrate lithium battery simultaneously.In housing, be also provided with the passive strutting piece of electrode column, during as electrokinetic cell, in the process with automobile vibration, the position between electrode column and cover plate is difficult for changing, and structure is more firm.
Although more used the terms such as housing, cover plate, through hole, liquid injection hole, electrode column, connecting portion, limiting section, locking nut, strutting piece, through hole, inlet opening, extension, plastic spacer, stainless steel nut, burst disk, seal plug, stainless steel gasket herein, do not got rid of the possibility that uses other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Above-described embodiment is only preferred embodiment of the present utility model, not limits according to this protection range of the present utility model, therefore: all equivalences of doing according to structure of the present utility model, shape, principle change, within all should being covered by protection range of the present utility model.
Claims (6)
1. electric automobile power battery, comprise box body and lid, it is characterized in that, described box body bottom is provided with the parting bead that box body inner chamber is divided into several battery installation rooms and a master-control room, in described battery installation room, be provided with battery pack, in described master-control room, battery management system is installed, punching is installed on the box body wall of master-control room one side and puts interface; Described battery pack series connection is integrated and is connected with battery management system, and battery management system is put interface with punching and is connected; The lithium battery that described battery pack is connected mutually by several forms; On series circuit between adjacent lithium battery, draw respectively a voltage acquisition line to battery management system.
2. electric automobile power battery according to claim 1, is characterized in that, described battery installation room is provided with stabilizing bracket, stabilizing bracket by spacing battery pack in battery installation room; Described stabilizing bracket is the framework being sleeved in battery pack, and framework upside forms the crossbeam that is against battery pack middle part, and the middle part of crossbeam is provided with the bar hole for battery pack liquid feeding.
3. electric automobile power battery according to claim 2, is characterized in that, the both sides of described crossbeam are respectively arranged with the cover fillet of specification configuration; Described voltage acquisition line all stretches in the metallic channel between cover fillet and crossbeam, then extends to the wiring groove between stabilizing bracket and box side wall; Voltage acquisition line stretches out wiring groove and is connected with battery management system.
4. electric automobile power battery according to claim 1, is characterized in that, the both sides that interface is put in described punching are provided with positioning guide column.
5. electric automobile power battery according to claim 1, is characterized in that, described battery management system connects described lithium battery by temperature acquisition line respectively.
6. according to the electric automobile power battery described in claim 1-5 any one, it is characterized in that, described lithium battery comprises the square column type housing that upper end is uncovered, and the upper port of housing is provided with cover plate assembly, and cover plate assembly is made up of cover plate and strutting piece; In housing, be provided with both positive and negative polarity pole piece, barrier film and electrolyte, described pole piece is provided with lug, and the arranged on left and right sides of described cover plate assembly is respectively arranged with the electrode deriving structure that connects corresponding lug;
Described electrode deriving structure comprises a cylindrical electrode column, the inner of this electrode column has for increasing and the connecting portion of the connection area of described lug, one end that this electrode column passes cover plate assembly is arranged with locking nut, and electrode column and cover plate assembly described under the effect of this locking nut are connected; Described connecting portion is bar shaped and arrange vertical with electrode column, described lug is laterally connected with this bar shaped connecting portion, above-mentioned strutting piece is between connecting portion and cover plate, and a side of described strutting piece is resisted against on this connecting portion, and its opposite side is against on the cover board;
In the liquid injection hole at cover plate assembly middle part, be provided with fluid injection assembly, fluid injection assembly comprises the stainless steel nut being screwed in liquid injection hole, in described stainless steel nut, be provided with burst disk and prevent the seal plug that burst disk comes off, described seal plug is fixed in described stainless steel nut by engage thread;
Two described electric conductors that electrode column is different colours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420386080.4U CN204029956U (en) | 2014-07-14 | 2014-07-14 | Electric automobile power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420386080.4U CN204029956U (en) | 2014-07-14 | 2014-07-14 | Electric automobile power battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204029956U true CN204029956U (en) | 2014-12-17 |
Family
ID=52069787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420386080.4U Expired - Fee Related CN204029956U (en) | 2014-07-14 | 2014-07-14 | Electric automobile power battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204029956U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105261807A (en) * | 2014-07-14 | 2016-01-20 | 张荣华 | Power battery of electric vehicle |
| DE102015224967A1 (en) | 2015-12-11 | 2017-06-14 | Robert Bosch Gmbh | Battery module housing, battery module, battery pack, battery and vehicle, and method of making a battery module, a battery pack and a battery |
| CN107958969A (en) * | 2016-10-18 | 2018-04-24 | 南京金邦动力科技有限公司 | A kind of automobile lithium battery group |
-
2014
- 2014-07-14 CN CN201420386080.4U patent/CN204029956U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105261807A (en) * | 2014-07-14 | 2016-01-20 | 张荣华 | Power battery of electric vehicle |
| CN105261807B (en) * | 2014-07-14 | 2017-08-29 | 张荣华 | Electric automobile power battery |
| DE102015224967A1 (en) | 2015-12-11 | 2017-06-14 | Robert Bosch Gmbh | Battery module housing, battery module, battery pack, battery and vehicle, and method of making a battery module, a battery pack and a battery |
| WO2017097644A1 (en) | 2015-12-11 | 2017-06-15 | Robert Bosch Gmbh | Battery module housing, battery module, battery pack, battery and vehicle, and also method for producing a battery module, a battery pack and a battery |
| US10930908B2 (en) | 2015-12-11 | 2021-02-23 | Robert Bosch Gmbh | Battery module housing, battery module, battery pack, battery and vehicle, and also method for producing a battery module, a battery pack and a battery |
| CN107958969A (en) * | 2016-10-18 | 2018-04-24 | 南京金邦动力科技有限公司 | A kind of automobile lithium battery group |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20160714 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |