CN105206768A - Lithium battery pack for electric vehicle - Google Patents
Lithium battery pack for electric vehicle Download PDFInfo
- Publication number
- CN105206768A CN105206768A CN201510608604.9A CN201510608604A CN105206768A CN 105206768 A CN105206768 A CN 105206768A CN 201510608604 A CN201510608604 A CN 201510608604A CN 105206768 A CN105206768 A CN 105206768A
- Authority
- CN
- China
- Prior art keywords
- battery pack
- blind hole
- section
- hinged
- cover plate
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a lithium battery pack for an electric vehicle. The lithium battery pack for the electric vehicle comprises a case body with the upper end opened and a cover plate which is matched with the case body in a hinged mode, a T-shaped blind hole is formed in the side wall of one end of the case body, a sliding block which is matched with the T-shaped blind hole is arranged on the T-shaped blind hole in a sliding mode, the cover plate is composed of a support section and a clamping section, one end of the support section is hinged to the sliding block, the other end of the support section is hinged to one end of the clamping section, a buckle is installed at the other end of the clamping section through an elastic connecting piece, a clamping groove which is matched with the buckle is formed in the side wall of the case body, the battery pack is fixed in the case body, and an equalization system is installed on the battery pack. The local part of the support section enters the T-shaped blind hole till the sliding block makes contact with the bottom of the T-shaped blind hole, and the clamping section which is hinged to the end of the support section is changed from the horizontal putting position to the vertical putting position, that is to say, the support section makes contact with the bottom face of the clamping section; meanwhile, on one hand, normal connection of the cover plate and the case body is guaranteed; one the other hand, the best observation angle can be provided for operators.
Description
Technical field
The present invention relates to the battery pack of electric automobile, specifically refer to a kind of lithium battery group used for electric vehicle.
Background technology
In order to protection of the environment energy-conserving and environment-protective and green energy resource promotion and application come into existence as the situation requires; wherein one of mode making protection of the environment is the use amount expanding power type automobile; reduce the use amount of oil consumption type automobile; but power type automobile state at a low ebb always now, the Main Bottleneck of restriction Development of Electric Vehicles is the life-span of electrokinetic cell.Generally speaking, need 75 joint lithium ion battery series-feds to reach 200AH/300V in the battery case of electrocar, each lithium ion battery is composed in series battery pack, because the degree of aging of each lithium ion battery in battery pack exists very large difference, to in batteries charging process, voltage differences is there is between the lithium ion battery of different degree of aging, voltage differences very easily causes the battery in battery pack to occur the problem overcharged, overcharge and can shorten the life-span of lithium ion battery, and then cause the capacity of battery pack to decline, the lost of life of battery pack.
In order to balance and improve the voltage differences between Li-ion batteries piles, need, for battery case increases equalizing system, in charging process, to adopt balancing technique, thus ensure that the maximization in lithium ion battery pool-size and useful life.After but battery case loads battery pack, space between battery pack and battery case upper cover is less, existing equalizing system volume is general larger, can not be positioned over battery case inside, therefore existing equalizing system is generally positioned over battery case outside, occupies the large quantity space of automobile external, under the prerequisite that motor space is so compact, market is urgently wished under the prerequisite not changing original battery case size, equalizing system is positioned over battery case inside, to save the space of automobile.
Summary of the invention
The object of the present invention is to provide a kind of lithium battery group used for electric vehicle, while ensureing the space that lithium ion battery pool-size and the maximization in useful life, reduction equalizing system take, the rapidly opened and closed of battery case can be realized.
For object of the present invention is achieved through the following technical solutions:
A kind of lithium battery group used for electric vehicle, the cover plate comprising the open casing in upper end and coordinate with it, T-shaped blind hole is had in the sidewall of described casing one end, slide in T-shaped blind hole and be provided with slide block with matching, described cover plate is made up of supporting section and clamping section, one end of supporting section and slide block is hinged and its other end and clamping section one end is hinged, and by Flexible Connector, buckle is installed in described clamping section other end end, described wall box has and the draw-in groove be clasped, battery pack is fixed in casing, described battery pack is provided with equalizing system.Existing equalizing system is directly installed on box house by the present invention, and then realizes the space hold reducing automotive interior, makes the maximization in useful life while ensureing lithium ion battery pool-size; The wherein cover plate of battery case and the hinged setting of casing, and be connected with buckle by Flexible Connector in the end of cover plate, and buckle coordinates with the draw-in groove that wall box is offered, what can realize casing is rapidly opened and closed, with the Real Time Observation of handled easily personnel, avoid battery pack to be directly subject to the impact of external environmental factor simultaneously, improve the working stability performance of battery pack.When operating personnel carry out Measuring error to battery pack, directly intermeshing buckle and draw-in groove are separated, now, it is vertical display position that the supporting section of cover plate puts evolution by level, utilize cover plate self gravitation simultaneously, the slide block hinged with supporting section is made to start to move down in T-shaped blind hole, now the local of supporting section enters in T-shaped blind hole, until slide block contacts with the bottom of T-shaped blind hole, and the clamping Duan Ze hinged with supporting section end puts evolution by level is vertical display position, namely the bottom surface of supporting section and clamping section contacts with each other, now both ensure that cover plate was connected with the normal of casing, can can improve best observation visual angle for operating personnel again simultaneously, avoid accidental damage and the loss of cover plate.
Described equalizing system comprises the equalizing circuit plate being arranged on battery pack upper surface, multiple balancing chip group and multiple stacked crimping plate, described equalizing circuit plate is arranged on crimping plate by block, balancing chip group is electrically connected with equalizing circuit plate, also comprise multiple metal bolts, described metal bolts is electrically connected with battery pack after running through equalizing circuit plate, block and multiple crimping plate respectively.Existing equalizing system volume is all larger, therefore the present invention adopts balancing chip group and circuit board composition equalizing system, major function because of equalizing system concentrates in balancing chip group, the volume of the balancing chip in balancing chip group is relatively little, and multiple balancing chip group and equalizing circuit plate are communicated with each battery one by one by multiple metal bolts, and then realize balance and the improvement of the voltage differences between multiple Li-ion batteries piles, to ensure that battery pack has longer useful life; The height of the balancing chip wherein adopted in the present invention is 8.6mm, the volume of circuit board itself is less, the height of circuit board is generally 4mm, the superposition of circuit board and balancing chip is highly only 12.6mm, the small volume of the equalizing system be therefore made up of balancing chip group and circuit board, be arranged in battery case by lithium battery equalizing system of the prior art, reduce equalizing system while the space hold of automotive interior, ensure lithium ion battery pool-size and the maximization in useful life.When running car to jolt or muddy section time, multiple stacked crimping plate also can play certain shock absorbing effect, makes the connection between equalizing system and battery pack and the effect that influences each other keep stable.
The cross section of described Flexible Connector is L shape, and described Flexible Connector adopts fibre reinforced plastics.Flexible Connector is as the crucial tie point between buckle and cover plate, its frequency used is higher, namely when cover plate opening and closing, all can there is deformation distortion in this Flexible Connector, and the present invention adopts fibre reinforced plastics, while himself intensity of guarantee, also there is certain flexural property, can effectively avoid, under the condition of the frequent opening and closing of casing, impaired destruction occurs.
The present invention compared with prior art, has following advantage and beneficial effect:
1, the present invention is when operating personnel carry out Measuring error to battery pack, directly intermeshing buckle and draw-in groove are separated, now, it is vertical display position that the supporting section of cover plate puts evolution by level, utilize cover plate self gravitation simultaneously, the slide block hinged with supporting section is made to start to move down in T-shaped blind hole, now the local of supporting section enters in T-shaped blind hole, until slide block contacts with the bottom of T-shaped blind hole, and the clamping Duan Ze hinged with supporting section end puts evolution by level is vertical display position, namely the bottom surface of supporting section and clamping section contacts with each other, now both ensure that cover plate was connected with the normal of casing, can can improve best observation visual angle for operating personnel again simultaneously, avoid accidental damage and the loss of cover plate,
2, the present invention adopts fibre reinforced plastics, while himself intensity of guarantee, also has certain flexural property, can effectively avoid, under the condition of the frequent opening and closing of casing, impaired destruction occurs;
3, the small volume of the equalizing system of balancing chip group of the present invention and circuit board composition, be arranged in battery case by lithium battery equalizing system of the prior art, reduce equalizing system while the space hold of automotive interior, ensure lithium ion battery pool-size and the maximization in useful life.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide the further understanding to the embodiment of the present invention, forms a application's part, does not form the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is structural representation of the present invention;
Mark and corresponding parts title in accompanying drawing:
1-casing, 2-equalizing circuit plate, 3-balancing chip group, 4-crimp plate, 5-battery pack, 6-metal bolts, 7-supporting section, 8-Flexible Connector, 9-buckle, 10-clamping section, 11-block, 12-slide block, 13-T shape blind hole.
Embodiment
Clearly understand for making the object, technical solutions and advantages of the present invention, below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, and exemplary embodiment of the present invention and explanation thereof are only for explaining the present invention, not as a limitation of the invention.
Embodiment 1
As shown in Figure 1, the present embodiment comprises the cover plate of the open casing 1 in upper end and hinged cooperation with it, T-shaped blind hole 13 is had in the sidewall of described casing 1 one end, slide in T-shaped blind hole 13 and be provided with slide block 12 with matching, described cover plate is made up of supporting section 7 and clamping section 10, one end of supporting section 7 and slide block 12 is hinged and its other end and clamping section 10 one end is hinged, and by Flexible Connector 8, buckle 9 is installed in described clamping section 10 other end end, described casing 1 sidewall has the draw-in groove coordinated with buckle 9, battery pack 5 is fixed in casing 1, described battery pack 5 is provided with equalizing system.
During use, existing equalizing system is directly installed on casing 1 inner, and then realizes the space hold reducing automotive interior, while ensureing Li-ion batteries piles 5 capacity, make the maximization in useful life; The wherein cover plate of battery case and the hinged setting of casing 1, and be connected with buckle 9 by Flexible Connector 8 in the end of cover plate, and buckle 9 coordinates with the draw-in groove that casing 1 sidewall is offered, what can realize casing 1 is rapidly opened and closed, with the Real Time Observation of handled easily personnel, avoid battery pack 5 to be directly subject to the impact of external environmental factor simultaneously, improve the working stability performance of battery pack 5.When operating personnel carry out Measuring error to battery pack, directly intermeshing buckle 9 is separated with draw-in groove, now, it is vertical display position that the supporting section 7 of cover plate puts evolution by level, utilize cover plate self gravitation simultaneously, the slide block 12 hinged with supporting section 7 is made to start to move down in T-shaped blind hole 13, now the local of supporting section 7 enters in T-shaped blind hole 12, until slide block 12 contacts with the bottom of T-shaped blind hole 13, it is vertical display position that the clamping section 10 hinged with supporting section 7 end then puts evolution by level, namely supporting section 7 contacts with each other with the bottom surface of clamping section 10, now both ensure that cover plate was connected with the normal of casing 1, can can improve best observation visual angle for operating personnel again simultaneously, avoid accidental damage and the loss of cover plate.
Wherein, described equalizing system comprises the equalizing circuit plate 2 being arranged on battery pack 5 upper surface, multiple balancing chip group 3 and multiple stacked crimping plate 4, described equalizing circuit plate 2 is arranged on crimping plate 4 by block 11, balancing chip group 3 is electrically connected with equalizing circuit plate 2, also comprise multiple metal bolts 6, described metal bolts 6 is electrically connected with battery pack 5 after running through equalizing circuit plate 2, block 11 and multiple crimping plate 4 respectively.Existing equalizing system volume is all larger, therefore the present embodiment adopts balancing chip group 3 and circuit board composition equalizing system, major function because of equalizing system concentrates in balancing chip group 3, the volume of the balancing chip in balancing chip group 3 is relatively little, and multiple balancing chip group 3 and equalizing circuit plate 2 are communicated with each battery one by one by multiple metal bolts 6, and then realize balance and the improvement of the voltage differences between multiple Li-ion batteries piles 5, to ensure that battery pack 5 has longer useful life; The height of the balancing chip wherein adopted in the present embodiment is 8.6mm, the volume of circuit board itself is less, the height of circuit board is generally 4mm, the superposition of circuit board and balancing chip is highly only 12.6mm, the small volume of the equalizing system be therefore made up of balancing chip group 3 and circuit board, be arranged in battery case by lithium battery equalizing system of the prior art, reduce equalizing system while the space hold of automotive interior, ensure Li-ion batteries piles 5 capacity and the maximization in useful life.When running car to jolt or muddy section time, multiple stacked crimping plate 4 also can play certain shock absorbing effect, makes the connection between equalizing system and battery pack 5 and the effect that influences each other keep stable.
As preferably, the cross section of described Flexible Connector 8 is L shape, and described Flexible Connector 8 adopts fibre reinforced plastics.Flexible Connector 8 is as the crucial tie point between buckle 9 and cover plate, its frequency used is higher, namely when cover plate opening and closing, all can there is deformation distortion in this Flexible Connector 8, and the present embodiment adopts fibre reinforced plastics, while himself intensity of guarantee, also there is certain flexural property, can effectively avoid, under the condition of the frequent opening and closing of casing 1, impaired destruction occurs.
Above-described embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; the protection range be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. a lithium battery group used for electric vehicle, the cover plate comprising the open casing (1) in upper end and coordinate with it, it is characterized in that: in the sidewall of described casing (1) one end, have T-shaped blind hole (13), slide in T-shaped blind hole (13) and be provided with slide block with matching (12), described cover plate is made up of supporting section (7) and clamping section (10), one end of supporting section (7) and slide block (12) is hinged and its other end and clamping section (10) one end is hinged, and by Flexible Connector (8), buckle (9) is installed in described clamping section (10) other end end, described casing (1) sidewall has the draw-in groove coordinated with buckle (9), battery pack (5) is fixed in casing (1), described battery pack (5) is provided with equalizing system.
2. one according to claim 1 lithium battery group used for electric vehicle, it is characterized in that: described equalizing system comprises the equalizing circuit plate (2) being arranged on battery pack (5) upper surface, multiple balancing chip group (3) and multiple stacked crimping plate (4), described equalizing circuit plate (2) is arranged in crimping plate (4) by block (11), balancing chip group (3) is electrically connected with equalizing circuit plate (2), also comprise multiple metal bolts (6), described metal bolts (6) runs through equalizing circuit plate (2) respectively, block (11) and multiple crimping plate (4) are electrically connected with battery pack (5) afterwards.
3. one according to claim 1 lithium battery group used for electric vehicle, is characterized in that: the cross section of described Flexible Connector (8) is L shape, and described Flexible Connector (8) adopts fibre reinforced plastics.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510608604.9A CN105206768A (en) | 2015-09-23 | 2015-09-23 | Lithium battery pack for electric vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510608604.9A CN105206768A (en) | 2015-09-23 | 2015-09-23 | Lithium battery pack for electric vehicle |
Publications (1)
Publication Number | Publication Date |
---|---|
CN105206768A true CN105206768A (en) | 2015-12-30 |
Family
ID=54954315
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510608604.9A Pending CN105206768A (en) | 2015-09-23 | 2015-09-23 | Lithium battery pack for electric vehicle |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105206768A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105855006A (en) * | 2016-05-03 | 2016-08-17 | 季建国 | Sweet potato crusher easy to clean |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012160375A (en) * | 2011-02-01 | 2012-08-23 | Komatsulite Mfg Co Ltd | Thermal protector |
CN203412919U (en) * | 2013-08-05 | 2014-01-29 | 创正防爆电器有限公司 | Box body connecting piece |
CN104282856A (en) * | 2013-07-08 | 2015-01-14 | 国家电网公司 | Battery box of electric automobile |
CN204966549U (en) * | 2015-09-23 | 2016-01-13 | 成都云科新能汽车技术有限公司 | Fast open lithium cell case |
-
2015
- 2015-09-23 CN CN201510608604.9A patent/CN105206768A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012160375A (en) * | 2011-02-01 | 2012-08-23 | Komatsulite Mfg Co Ltd | Thermal protector |
CN104282856A (en) * | 2013-07-08 | 2015-01-14 | 国家电网公司 | Battery box of electric automobile |
CN203412919U (en) * | 2013-08-05 | 2014-01-29 | 创正防爆电器有限公司 | Box body connecting piece |
CN204966549U (en) * | 2015-09-23 | 2016-01-13 | 成都云科新能汽车技术有限公司 | Fast open lithium cell case |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105855006A (en) * | 2016-05-03 | 2016-08-17 | 季建国 | Sweet potato crusher easy to clean |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP3093908B1 (en) | Battery pack | |
CN107742811B (en) | Novel electric automobile mouth that charges | |
CN204966613U (en) | Electric automobile's group battery case | |
CN204966549U (en) | Fast open lithium cell case | |
CN105206768A (en) | Lithium battery pack for electric vehicle | |
CN104578304A (en) | Explosive-proof and intrinsic safe type lithium ion battery power for mine | |
CN107732059A (en) | A kind of Novel square lithium battery standardization module packaging housing and PACK methods | |
CN204966608U (en) | Group battery for new energy automobile | |
CN204966563U (en) | Lithium cell case with function of dispelling heat fast | |
CN205081501U (en) | Portable lithium ion power portable power source | |
CN105280857B (en) | A kind of battery for electric automobile case | |
CN204966610U (en) | Automatically, radiating automobile -used lithium cell | |
CN207398192U (en) | A kind of power lithium-ion battery cover board positive end plate boss integral structure | |
CN105280858A (en) | Lithium battery box with automatic heat dissipation | |
CN205882003U (en) | Lithium cell case that dispels heat for car | |
CN105185931A (en) | Battery box with fast heat dissipation function | |
CN201804941U (en) | Part capable of repeatedly charging and discharging lithium battery | |
CN104103853A (en) | Rechargeable battery | |
CN103531851B (en) | Cylinder-type lead-acid bipolar battery | |
CN209592103U (en) | A kind of lithium battery protection cabinet structure | |
CN105280856A (en) | Power battery applied to new energy vehicles | |
CN207651548U (en) | A kind of automobile-used startup power supply device | |
CN105752227A (en) | Charging case for storage box of electric vehicle | |
CN205016585U (en) | Adopt rack subrack of lithium ion battery group | |
CN202601759U (en) | Corrosion preventing cloud management battery |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151230 |