CN105261807B - Electric automobile power battery - Google Patents
Electric automobile power battery Download PDFInfo
- Publication number
- CN105261807B CN105261807B CN201410332570.0A CN201410332570A CN105261807B CN 105261807 B CN105261807 B CN 105261807B CN 201410332570 A CN201410332570 A CN 201410332570A CN 105261807 B CN105261807 B CN 105261807B
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- China
- Prior art keywords
- battery
- management system
- cover plate
- battery pack
- box body
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- 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.)
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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 invention belongs to electric automobile manufacturing technology field, refer in particular to a kind of electric automobile power battery, including box body and lid, the box body bottom is provided with the parting bead for being divided into several batteries to install room and a master control room box body inner chamber, the battery installs interior and is provided with battery pack, it is provided with the master control room and punching is installed on battery management system, the box body wall of master control room side puts interface；The 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 group that the battery pack is mutually in series by several into；A voltage acquisition line is drawn on series circuit between adjacent lithium battery respectively to battery management system.The battery pack service life of the present invention is long, and perfect heat-dissipating, anti seismic efficiency is more preferably, safe and reliable；The wiring of the present invention is succinct, it is easy to I＆ M, and battery is during long-term use, and if certain batteries performance is excessively poor, it is necessary to change, then dismounting is easy.
Description
Technical field
The invention belongs to electric automobile manufacturing technology field, a kind of electric automobile power battery is refered in particular to.
Background technology
Hybrid power and pure electric automobile compared to traditional power automobile have more preferable effects of energy conservation and environmental protection because of it, therefore
Increasingly favored by market.Electric automobile power battery is the key point that hybrid power and pure electric automobile are achieved,
At present, the electric automobile power battery (by taking electric automobile power battery disclosed in ZL201010600536.9 as an example) of in the market is deposited
In following problem：1st, battery pack service life is short, and heat dispersion is poor, and anti seismic efficiency is general, and security is relatively low；2nd, maintainability
Difference, battery is during long-term use, and if certain batteries performance is excessively poor, it is necessary to change, then it is very inconvenient to dismantle；3rd, it is electric
Wiring in pond is complicated, safeguards inconvenience.
The content of the invention
It is an object of the invention to provide one kind wiring simply, perfect heat-dissipating, it is easy to which management and the electric automobile safeguarded are moved
Power battery.
The object of the present invention is achieved like this：
Box body inner chamber, is divided into by electric automobile power battery, including box body and lid if the box body bottom is provided with
Dry battery installs the parting bead of room and a master control room, and the battery, which is installed interior and is provided with battery pack, the master control room, pacifies
Equipped with battery management system, charge and discharge interface is installed on the box body wall of master control room side；The battery pack series connection is integrated simultaneously
It is connected with battery management system, battery management system is connected with charge and discharge interface；The lithium that the battery pack is mutually in series by several
Battery is constituted；A voltage acquisition line is drawn on series circuit between adjacent lithium battery respectively to battery management system.
Preferably, the battery installs room and is provided with stabilizing bracket, and stabilizing bracket is spacing indoor in battery installation by battery pack；Institute
State and form the crossbeam being against in the middle part of battery pack, the middle part of crossbeam on the upside of the framework of stabilizing bracket for suit on the battery pack, framework
It is provided with the bar hole for battery pack liquid feeding.
Preferably, the both sides of the crossbeam are respectively arranged with the cover fillet of specification configuration；The voltage acquisition line is stretched
Enter in the metallic channel between cover fillet and crossbeam, re-extend to the wiring groove between stabilizing bracket and box side wall；Voltage acquisition line is stretched
Go out wiring groove to be connected with battery management system.
Preferably, the both sides of the charge and discharge interface are provided with positioning guide column.
Preferably, described battery management system connects described lithium battery by temperature acquisition line respectively.
Preferably, the lithium battery includes the open square column type housing in upper end, and the upper port of housing is provided with cover plate assembly,
Cover plate assembly is made up of cover plate and support member；It is provided with both positive and negative polarity pole piece, barrier film and electrolyte, described pole piece and sets in housing
There is lug, the arranged on left and right sides of the cover plate assembly is respectively arranged with the electrode lead-out structure for connecting corresponding lug；
Described electrode lead-out structure includes a cylindrical electrode column, the inner of the electrode column have be used to increasing with
The connecting portion of the connection area of the lug, one end that the electrode column passes cover plate assembly is arranged with locking nut, in the locking
Described electrode column is connected with cover plate assembly in the presence of nut；Described connecting portion is vertically arranged in bar shaped and with electrode column,
Described lug and the bar shaped connecting portion lateral connection, above-mentioned support member are located between connecting portion and cover plate, and the support
The side of part is resisted against on the connecting portion, and its opposite side is against on the cover board；
Fluid injection component is provided with liquid injection hole in the middle part of cover plate assembly, fluid injection component is stainless in liquid injection hole including being screwed in
Provided with burst disk and the seal plug for preventing that burst disk from coming off, described seal plug in steel nut, described stainless steel nut
Threadedly it is fixed in described stainless steel nut；
Two described electrode columns are the electric conductor of different colours.
The present invention is prominent and beneficial compared with prior art to be had the technical effect that：
The battery pack service life of the present invention is long, and perfect heat-dissipating, anti seismic efficiency is more preferably, safe and reliable；
The wiring of the present invention is succinct, it is easy to which I＆ M, battery is during long-term use, if certain batteries
Performance is excessively poor, it is necessary to change, then dismounting is easy；
The lithium battery casing of the present invention is the open square column type housing in upper end, and 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 lead-out structure, and the design sets up separately compared to traditional in housing upper and lower ends
The design of electrode lead-out structure, its is simple in construction, easy to assembly, and stability is good.
Two electrode columns of lithium battery of the present invention are the electric conductor of different colours, and the design to discharge or fill for lithium battery
When electric, it is easier to differentiate both positive and negative polarity, security is improved.
Brief description of the drawings
Fig. 1 is the schematic diagram of the box body of the present invention.
Fig. 2 is the charge and discharge interface schematic diagram of the present invention.
Fig. 3 is the internal structure sketch of the present invention.
Fig. 4 is the structure diagram of the stabilizing bracket of the present invention.
Fig. 5 is the schematic diagram of the insulating lid of the present invention.
Fig. 6 is the exploded view of the lithium battery of the present invention.
In figure：1- locking nuts；2- through holes；3- through holes；5- plastic spacers；6- electrode columns；7- limiting sections；8- connections
Portion；9- housings；10- seal plugs；11- stainless steel gaskets；12- burst disks；13- stainless steel nuts；14- plastic spacers；15- is noted
Fluid apertures；16- inlet openings；17- support members；18- locking nuts；19- through holes；20- through holes；21- plastic spacers；22- electrode columns；
23- limiting sections；24- connecting portions；
30- box bodys；31- parting beads；32- batteries install room；33- charge and discharge interfaces installation position；34- master control rooms；35- batteries are installed
Room；36- batteries install room；37- lids；38- wiring grooves；39- positioning guide columns；40- charge and discharge interfaces；41- positioning guide columns；
42- lithium batteries；43- voltage acquisition lines；44- cover fillets；45- series connection bars；46- lithium batteries；47- voltage acquisition lines；48- battery managements
System；49- stabilizing brackets；50- crossbeams；51- bar holes；52- insulating lids；53- dust-proof radiatings hole；54- heat emission holes.
Embodiment
With specific embodiment, the invention will be further described below in conjunction with the accompanying drawings：
Electric automobile power battery, including box body 30 and lid 37, the bottom of box body 30 are provided with the inner chamber of box body 30
It is divided into several batteries that the parting bead 31 of 32,35,36 and one master control rooms 34 in room is installed, the battery installs interior and is provided with electricity
Battery management system is installed, battery management system is prior art in pond group, the master control room, its
Disclosed in ZL20100600536.9, charge and discharge interface 40 is installed on the wall of box body 30 of master control room side；The battery pack
Series connection is integrated and is connected with battery management system 48, and battery management system is connected with charge and discharge interface；The battery pack is by some
The individual lithium battery group being mutually in series into；A voltage acquisition line 43,47 is drawn on series circuit between adjacent lithium battery respectively
To battery management system 48.
Preferably, the battery installs room and is provided with stabilizing bracket 49, and stabilizing bracket 49 is spacing in battery installation room by battery pack
It is interior；The crossbeam 50 being against in the middle part of battery pack, crossbeam are formed on the upside of framework of the stabilizing bracket for suit on the battery pack, framework
50 middle part is provided with the bar hole 51 for battery pack liquid feeding, and the profile and battery of stabilizing bracket 49 are installed room and be adapted, likewise,
The number of crossbeam 50 is also identical with the number of battery pack.The wing plate of the sidepiece of stabilizing bracket 49 is arranged on parting bead by bolt, is consolidated
Frame 49 ensures that battery pack will not produce movement in box body.
Insulating lid 52 is provided between the top of the stabilizing bracket and lid, insulating lid is screwed in stabilizing bracket by bolt
On, more than one of dust-proof radiating hole 53 is provided with the middle part of insulating lid, dust-proof radiating hole 53 is located at the bar hole of the crossbeam
51 tops；The week side of boss at the middle part of insulating lid 52 is provided with heat emission hole 54.Insulating lid 52 can protect battery pack so that battery pack makes
It is longer with the life-span.
Preferably, the both sides of the crossbeam 50 are respectively arranged with the cover fillet 44 of specification configuration；The voltage acquisition line
Stretch into the metallic channel between cover fillet and crossbeam, re-extend to the wiring groove 38 between stabilizing bracket and the side wall of box body 30；Voltage
Gathering line is stretched out wiring groove and is connected with battery management system 48.
Preferably, the both sides of the charge and discharge interface 40 are provided with outside positioning guide column 39,41, positioning guide column 39,41
End exceeds the end face of charge and discharge interface 40, and the design causes charge and discharge interface 40 to be more easy to be connected with the part on automobile.
Preferably, described battery management system 48 connects described lithium battery by temperature acquisition line (not shown) respectively
42, i.e. battery management system 48 monitors the temperature of each lithium battery.
Preferably, the lithium battery includes the open square column type housing 9 in upper end, and the upper port of housing 9 is provided with cover plate group
Part, cover plate assembly is made up of cover plate and support member；Be provided with housing both positive and negative polarity pole piece, barrier film and electrolyte (both positive and negative polarity pole piece,
Barrier film and electrolyte constitute the core component of lithium battery, and it is prior art, are no longer described in detail), described pole piece is provided with lug,
The arranged on left and right sides of the cover plate assembly is respectively arranged with the electrode lead-out structure for connecting corresponding lug；
Described electrode lead-out structure includes a cylindrical electrode column 6,22, and the inner of the electrode column, which has, to be used to increase
Greatly with the connecting portion of the connection area of the lug, one end that the electrode column passes cover plate assembly is arranged with locking nut 1,18,
Described electrode column is connected with cover plate assembly in the presence of the locking nut；Described connecting portion hangs down in bar shaped and with electrode column
Straight to set, described lug and the bar shaped connecting portion lateral connection, above-mentioned support member is located between connecting portion and cover plate, and institute
The side for stating support member is resisted against on the connecting portion, and its opposite side is against on the cover board；
Fluid injection component is provided with liquid injection hole in the middle part of cover plate assembly, fluid injection component includes being screwed in liquid injection hole 15 not
Become rusty steel nut 13, described provided with burst disk 12 and the seal plug 10 for preventing burst disk from coming off in described stainless steel nut
Seal plug is threadedly fixed in described stainless steel nut 13；
Described two electrode columns 6,22 are the electric conductor of different colours.
Support member 17 is made up of plastic material, and the support member being made up of plastic material is also acted as absolutely in addition to firm in structure
Edge is acted on, and manufacturing cost is low.When electrode column is formed from aluminium as positive pole in use, adopting；When electrode column as negative pole in use, adopting
It is made of copper.
Preferably, described connecting portion is vertically arranged in bar shaped and with electrode column, described lug and the bar shaped connecting portion
Lateral connection, above-mentioned support member is located between connecting portion and cover plate, and the side of the support member is resisted against on the connecting portion,
Its opposite side is against on the cover board.The contact area of bar shaped connecting portion and lug is big, and manufactures and easy to process, when electric current passes through
Resistance diminish, the heat that produces it is less.
Preferably, described support member is in the tabular similar with housing cross-sectional shape, and the middle part of the support member has
The through hole matched with above-mentioned electrode column, above-mentioned electrode column is arranged in the through hole, is also set on described support member
There is the inlet opening connected with above-mentioned liquid injection hole；The edge of the support member has the extension extended internally along housing sidewall, institute
The extension stated is abutted on the inwall of the housing.
Preferably, there is limiting section 7,23 on described electrode column, have on described support member and accommodate the limiting section
Limit chamber, when described limiting section be located at the limit chamber in when described in electrode column and support member it is circumferentially fixed.
Preferably, provided with the plastic spacer being sheathed on electrode column, described lock between described connecting portion and support member
The tight plastic spacer for also being provided with being sheathed on electrode column between nut and cover plate；Described support member is made up of plastic material.
Preferably, there is ring-shaped step, the side of above-mentioned burst disk is resisted against the annular table in described stainless steel nut
On rank, its opposite side leans with above-mentioned seal plug.
Preferably, it also is provided with plastic spacer 14 between described stainless steel nut and cover plate.
Preferably, stainless steel gasket is provided between described burst disk and seal plug.
In this square lithium battery, cover plate is connected by way of laser welding with housing.By increasing electrode column and pole
Connection area between ear, makes resistance diminish, and the heat produced when electric current passes through is less, has prevented lithium battery to a certain extent
The problem of temperature is too high, security performance is increased substantially, while extending the service life of this quadrate lithium battery.In housing also
Provided with the support member played a supportive role to electrode column, during as electrokinetic cell, during with automobile vibration, electrode column and lid
Position between plate is not susceptible to change, and structure is more firm.
Although more having used housing, cover plate, through hole, liquid injection hole, electrode column, connecting portion, limiting section, locking screw herein
Mother, support member, through hole, inlet opening, extension, plastic spacer, stainless steel nut, burst disk, seal plug, stainless steel gasket
Deng term, but it is not precluded from the possibility using other terms.Conciliate using these terms just for the sake of more easily description
Release the essence of the present invention；Any additional limitation is construed as all to disagree with spirit of the present invention.
Above-described embodiment is only presently preferred embodiments of the present invention, is not limited the scope of the invention according to this, therefore：It is all according to
The equivalence changes that structure, shape, the principle of the present invention is done, all should be covered by within protection scope of the present invention.
Claims (2)
1. electric automobile power battery, including box body and lid, it is characterised in that the box body bottom is provided with box body inner chamber
It is divided into several batteries that the parting bead of room and a master control room is installed, the battery installs interior and is provided with battery pack, the master
Control indoor location has is provided with charge and discharge interface on battery management system, the box body wall of master control room side；The battery pack series connection
It is integrated and is connected with battery management system, battery management system is connected with charge and discharge interface；The battery pack is mutual by several
The lithium battery group of series connection into；A voltage acquisition line is drawn on series circuit between adjacent lithium battery respectively to battery management system
System；
The battery installs room and is provided with stabilizing bracket, and stabilizing bracket is spacing indoor in battery installation by battery pack；The stabilizing bracket is
Formed on the upside of the framework of suit on the battery pack, framework and power supply is provided with the middle part of the crossbeam being against in the middle part of battery pack, crossbeam
The bar hole of pond group liquid feeding；
The both sides of the crossbeam are respectively arranged with the cover fillet of specification configuration；The voltage acquisition line stretches into cover fillet and crossbeam
Between metallic channel in, re-extend to the wiring groove between stabilizing bracket and box side wall；Voltage acquisition line stretches out wiring groove and electricity
Pond management system connection；
The lithium battery includes the open square column type Sales bodies in upper end, and the upper ports of Sales bodies is provided with cover plate assembly, cover plate assembly by
Cover plate and support member composition；Both positive and negative polarity pole piece, barrier film and electrolyte are provided with Sales bodies, described pole piece is provided with lug, institute
The arranged on left and right sides for stating cover plate assembly is respectively arranged with the electrode lead-out structure for connecting corresponding lug；
Described electrode lead-out structure includes a cylindrical electrode column, the inner of the electrode column have be used to increasing with it is described
The connecting portion of the connection area of lug, one end that the electrode column passes cover plate assembly is arranged with locking nut, in the locking nut
In the presence of described electrode column be connected with cover plate assembly；Described connecting portion is vertically arranged in bar shaped and with electrode column, described
Lug and the bar shaped connecting portion lateral connection, above-mentioned support member is located between connecting portion and cover plate, and the support member
Side is resisted against on the connecting portion, and its opposite side is against on the cover board；
Fluid injection component is provided with liquid injection hole in the middle part of cover plate assembly, fluid injection component includes the stainless steel spiral shell being screwed in liquid injection hole
Pass through in mother, described stainless steel nut provided with burst disk and the seal plug for preventing that burst disk from coming off, described seal plug
Engagement thread is fixed in described stainless steel nut；
Two electrode columns are the electric conductor of different colours；
Described battery management system connects described lithium battery by temperature acquisition line respectively.
2. electric automobile power battery according to claim 1, it is characterised in that the both sides of the charge and discharge interface are provided with
Positioning guide column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410332570.0A CN105261807B (en) | 2014-07-14 | 2014-07-14 | Electric automobile power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410332570.0A CN105261807B (en) | 2014-07-14 | 2014-07-14 | Electric automobile power battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105261807A CN105261807A (en) | 2016-01-20 |
| CN105261807B true CN105261807B (en) | 2017-08-29 |
Family
ID=55101378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410332570.0A Active CN105261807B (en) | 2014-07-14 | 2014-07-14 | Electric automobile power battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105261807B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108832039B (en) * | 2018-06-20 | 2023-11-14 | 北京联动天翼科技股份有限公司 | Aluminum shell cell fixing support |
| EP4178018A1 (en) | 2021-11-04 | 2023-05-10 | Samsung SDI Co., Ltd. | A battery module, a battery pack, an electric vehicle, and a method for assembling a battery module |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1727223A1 (en) * | 2004-01-20 | 2006-11-29 | Matsushita Electric Industries Co., Ltd. | Battery pack |
| CN201508859U (en) * | 2009-09-28 | 2010-06-16 | 廖茂祥 | Battery box for power battery |
| CN102376916A (en) * | 2010-07-12 | 2012-03-14 | 科达汽车公司 | Battery assembly |
| CN102637893A (en) * | 2012-04-09 | 2012-08-15 | 温岭市恒泰电池有限公司 | Square lithium battery |
| CN204029956U (en) * | 2014-07-14 | 2014-12-17 | 张荣华 | Electric automobile power battery |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9198292B2 (en) * | 2012-05-08 | 2015-11-24 | Samsung Sdi Co., Ltd. | Battery pack including circuit board assembly having first circuit board connected to terminals and second circuit board connected to first circuit board |
-
2014
- 2014-07-14 CN CN201410332570.0A patent/CN105261807B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1727223A1 (en) * | 2004-01-20 | 2006-11-29 | Matsushita Electric Industries Co., Ltd. | Battery pack |
| CN201508859U (en) * | 2009-09-28 | 2010-06-16 | 廖茂祥 | Battery box for power battery |
| CN102376916A (en) * | 2010-07-12 | 2012-03-14 | 科达汽车公司 | Battery assembly |
| CN102637893A (en) * | 2012-04-09 | 2012-08-15 | 温岭市恒泰电池有限公司 | Square lithium battery |
| CN204029956U (en) * | 2014-07-14 | 2014-12-17 | 张荣华 | Electric automobile power battery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105261807A (en) | 2016-01-20 |
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