CN104538571A - Electric automobile and fixing device for power battery of electric automobile - Google Patents
Electric automobile and fixing device for power battery of electric automobile Download PDFInfo
- Publication number
- CN104538571A CN104538571A CN201510018352.4A CN201510018352A CN104538571A CN 104538571 A CN104538571 A CN 104538571A CN 201510018352 A CN201510018352 A CN 201510018352A CN 104538571 A CN104538571 A CN 104538571A
- Authority
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- China
- Prior art keywords
- fixture
- support
- top board
- upper bracket
- lower platen
- 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.)
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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
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- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a fixing device for a power battery. The fixing device comprises supports for fixing a cell. The supports comprise the upper support and the lower support, wherein the upper support and the lower support are overlapped and located on the two sides of the cell respectively. One of the upper support and the lower support is provided with a buckle, and the other one of the upper support and the lower support is provided with a clamping groove matched with the buckle. Due to the fact that pressing force is mainly received by the upper support and the lower support in the cell fixing process, the situation that the cell is damaged due to the fact that the cell is forcedly pressed can be avoided. Due to the fact that the upper support and the lower support are clamped together through the buckle and the clamping groove, when the cell is fixed by the supports, installation can be finished only through simple pressing operation, installation is easy and convenient, and accordingly disconnection of the upper support and the lower support is convenient. The fixing device effectively solves the problems that the cell is difficultly installed in the supports and prone to damage. The invention further discloses an electric automobile with the fixing device for the power battery.
Description
Technical field
The present invention relates to motor machine field, more particularly, relate to a kind of fixture of electrokinetic cell, also relate to a kind of electric automobile comprising the fixture of above-mentioned electrokinetic cell.
Background technology
For alleviating the pollution pressure of city automobile tail gas, the electric automobile new lover becoming city gradually, it is power that electric automobile refers to vehicle power, drives wheels travel with motor.For ensureing the driveability of electric automobile, so can be very high for the requirement of the battery of electric automobile.Such as in order to ensure the flying power of pure electric automobile, higher requirement is had to the electricity of electrokinetic cell, but the capacity of the battery of unit volume is conditional, prior art is generally the quantity of the battery core by increasing electrokinetic cell, improves the electricity of the battery pack that electric automobile carries.
In order to can better multiple battery core be linked together, in prior art, the battery of electric automobile is fixed into a module by conventional cell fixing device, and battery modules is arranged on the mounting panel of the lower box of Battery case.This fixture comprises metal top board and metal lower platen, and is placed on the support between metal top board and metal lower platen, and support generally in frame-type, in battery core placing rack, protects battery core by support.Support of the prior art is general thicker, and the framework be formed in one due to support again and causing to place battery core inconvenient, generally need battery core to be forced to press from side compress into, and easily cause battery core to damage.
In sum, how effectively solving battery core and be arranged on difficulty in support and easy impaired problem, is current those skilled in the art's urgent problem.
Summary of the invention
In view of this, first object of the present invention is the fixture providing a kind of electrokinetic cell, the fixture of this electrokinetic cell effectively can solve battery core and be arranged on difficulty in support and easy impaired problem, and second object of invention is to provide a kind of electric automobile comprising the fixture of above-mentioned electrokinetic cell.
In order to reach above-mentioned first object, the invention provides following technical scheme:
A fixture for electrokinetic cell, comprises the support for fixing battery core, and described support comprises mutually stacked and lays respectively at upper bracket and the lower carriage of described battery core both sides; In described upper bracket and described lower carriage, one is provided with buckle, and another one is provided with the draw-in groove matched with described buckle.
Preferably, the horizontal relative position of described upper bracket and described lower carriage is by alignment pin and location hole location.
Preferably, at least two described supports are stacked and be provided with fin between adjacent described support, and the horizontal relative position of support described in adjacent two and described fin is between the two by alignment pin and location hole location.
Preferably, described fin comprises the main part for fitting with described battery core, and is only connected to described main part one side and is exposed to the radiating part of described stent outer.
Preferably, all the other side indentions of described fin.
Preferably, described fixture comprises top board and lower platen, stacked and the described Bracket setting of described top board, described lower platen and described support between described top board and described lower platen, and is all furnished with a meter font gusset in the low stress area of the lower surface of the low stress area of the upper surface of described top board and described lower platen.
Preferably, the material of described top board and described lower platen is nylon.
Preferably, described fixture comprises the connecting screw rod for described top board, described lower platen and described support being fastenedly connected, the tail end of described connecting screw rod can through the mounting panel of lower box, described fixture also has the nut with described connecting screw rod threaded engagement, and described nut is arranged on the lower surface of described mounting panel.
Preferably, the low stress area on four limits of described upper bracket and described lower carriage is provided with the hole for loss of weight.
The fixture that the invention provides a kind of electrokinetic cell comprises the support for fixing battery core, this support comprises upper bracket and lower carriage, upper bracket is mutually stacked with lower carriage and lay respectively at battery core both sides, said stackedly refers to upper bracket and lower carriage is stacked together herein.And in upper bracket and lower carriage, one has buckle, another one has the draw-in groove matched with buckle, and upper bracket and lower carriage are connected together by buckle and draw-in groove.
According to above-mentioned technical scheme, can know, the fixture of electrokinetic cell provided by the invention, the support in this fixture is not integrated, but mutually engaged by upper bracket and lower carriage.When support is used for fixing battery core, can first be placed on lower carriage by battery core, then close upper bracket, close upper bracket time, upper bracket and lower carriage are fastened togather by buckle and draw-in groove, and battery core is fixed in fixture.Due to when fixing battery core primary recipient pressing force be upper bracket and lower carriage, so can avoid causing the damage of battery core because directly forcing to press battery core.Again owing to being fastened togather by bayonet socket and draw-in groove between upper bracket and lower carriage, make to fix in the process of battery core by support, only need simple press to complete installation, so install simple and convenient, corresponding connection of taking upper bracket and lower carriage apart is also very convenient.So this fixture effectively solves battery core be arranged on difficulty in support and easy impaired problem.Meanwhile, support of the present invention is formed by upper bracket and lower carriage engaging, so compare the effect that frame-type support serves loss of weight, meets the light-weighted requirement of fixture.
In order to reach above-mentioned second object, present invention also offers a kind of electric automobile, this electric automobile comprises the fixture of any one electrokinetic cell above-mentioned, fixture due to above-mentioned electrokinetic cell has above-mentioned technique effect, and the electric automobile with the fixture of this electrokinetic cell also should have corresponding technique effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the fixture of the electrokinetic cell that Fig. 1 provides for the embodiment of the present invention;
The supporting structure schematic diagram of the fixture that Fig. 2 provides for the embodiment of the present invention;
The lower support structure schematic diagram of the fixture that Fig. 3 provides for the embodiment of the present invention;
The top board structural representation of the fixture that Fig. 4 provides for the embodiment of the present invention;
The lower platen structural representation of the fixture that Fig. 5 provides for the embodiment of the present invention;
The heat radiating fin structure schematic diagram of the fixture that Fig. 6 provides for the embodiment of the present invention;
The connecting screw rod structural representation of the fixture that Fig. 7 provides for the embodiment of the present invention.
In accompanying drawing, mark is as follows:
Support 1, top board 2, lower platen 3, fin 4, connecting screw rod 5, upper bracket 11, lower carriage 12.
Embodiment
The embodiment of the invention discloses a kind of fixture of electrokinetic cell, be arranged on difficulty in support and easy impaired problem to realize effectively solving battery core.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1-Fig. 7, in a kind of specific embodiment, the fixture of the electrokinetic cell that the present embodiment provides, this fixture is used for multiple battery core to form a battery modules.Fixture comprises the support 1 of fixing battery core, support 1 comprises mutually stacked and lays respectively at upper bracket 11 and the lower carriage 12 of battery core both sides, herein it is emphasized that, upper bracket 11 and lower carriage 12 stack together mutually, middle should have the cavity that is held battery core, and battery core is placed between upper bracket 11 and lower carriage 12.Snap fastener by having buckle and draw-in groove between upper bracket 11 and lower carriage 12 is connected together, concrete in upper bracket 11 and lower carriage 12, one is provided with buckle, another one is provided with the draw-in groove matched with buckle, general upper bracket 11 is provided with draw-in groove and lower carriage 12 is provided with buckle, and upper bracket 11 and lower carriage 12 can be made when making to press upper bracket 11 from the top down to be fast fastened togather.Herein it is emphasized that, the snap fastener with buckle and draw-in groove can with reference to prior art, and general buckle is hook, when buckle and draw-in groove clamping, snap under being buckled in the effect of elastic deformation force in the groove of draw-in groove, only provide buckle elastic deformation force that buckle just can be made to depart from draw-in groove.When support 1 is for fixing battery core, can first battery core be placed on lower carriage 12, then close upper bracket 11, close upper bracket 11 time, upper bracket 11 and lower carriage 12 are fastened togather by buckle and draw-in groove, and battery core is fixed in support 1.Due to when fixing battery core primary recipient pressing force be upper bracket 11 and lower carriage 12, so can avoid causing the damage of battery core because directly forcing to press battery core.Again owing to being fastened togather by bayonet socket and draw-in groove between upper bracket 11 and lower carriage 12, make to fix in the process of battery core by support 1, only need simple press to complete installation, so install simple and convenient, corresponding to take upper bracket 11 apart also very convenient with the connection of lower carriage 12.
In order to make between upper bracket 11 and lower carriage 12 becoming of assembling simple efficient, can be located by alignment pin and location hole at the horizontal relative position of upper bracket 11 and lower carriage 12, namely representing can also can on lower carriage 12 on upper bracket 11 at alignment pin, if alignment pin is on upper bracket 11, the corresponding position of lower carriage 12 has the location hole with detent fit, if alignment pin is on lower carriage 12, the corresponding position of upper bracket 11 has the location hole with detent fit, in order to can more accurate positioning be made, the location hole that general employing eight groups matches and alignment pin position.
The fixture of a general electrokinetic cell fixes multiple battery core, so need at least two supports 1 mutually to stack together to form a large-scale battery modules.In use, heat dissipation capacity is larger for electrokinetic cell, if can not dispel the heat in time, can shorten the useful life of battery core, even can cause the phenomenon such as cells burst and blast.So the heat radiation in order to accelerate battery, generally fin 4 can be provided with between adjacent support 1.For the ease of installing, the horizontal relative position of adjacent two stands 1 and fin 4 is between the two by alignment pin and location hole location, namely represent, when on one of them support 1 of layout of pins, then on another support 1, corresponding position has location hole, and alignment pin matches with another support 1 through the location hole on fin 4.In order to can the weight of less fixture, preferably appropriate design be done to fin 4.Main part in the middle of fin 4 and battery core are fitted the heat distributed for absorbing battery core, only on a side of main part, be connected with radiating part, this radiating part is exposed to the outside of support 1, the radiating part of heat conduction to support 1 that main part gives out battery core, and radiating part dispels the heat.Fin 4 is not that both sides have radiating part, side is only needed to be connected with radiating part, because find that main part both sides all have the radiating effect of the fin 4 of radiating part and only have side to have the fin 4 radiating effect gap of radiating part not quite, so only arrange a fin 4 can not only ensure that radiating effect can also alleviate the weight of whole fin 4 through long-term experiment research.Further, the side namely other side of fin 4 to without radiating part hollows out process, makes remaining side indention, can not only increase heat conduction rate and can further reduce the weight of fin 4.The heat dispersion of common metal can be very strong, so fin 4 generally all selects sheet metal, fin 4 preferably adopts radiating aluminium sheet, not only have good heat dispersion, and density is less.
In order to support 1 can be prevented because to be deformed by colliding or damaged, fixture can increase top board 2 and lower platen 3, and top board 2, lower platen 3 and support 1 stack together and support 1 is arranged between top board 2 and lower platen 3.Not by means of only the intensity protective cradle 1 of top board 2 and lower platen 3, also by top board 2 and lower platen 3 so that support 1 is arranged on the mounting panel of the lower box of Battery case.In order to the weight of top board 2 and lower platen 3 can be alleviated, can continue to do thinning design to lower platen 2 and lower platen 3, before thinning design, first stress analysis is done to top board 2 and lower platen 3, find out the low stress area of top board 2 and lower platen 3, generally, the low stress area of top board 2 and lower platen 3 is at its plate face zone line.To the thinning design in low stress area of top board 2 and lower platen 3, specifically there are two kinds of methods: a kind of method is, just allow when moulding shaping the thickness of slab of the low stress area of the low stress area of top board 2 and lower platen 3 all thinner than non-low stress area, and strengthen gusset in low stress area punching press; Another kind method is, all arranges multiple right-angled triangle shallow bore hole in the low stress area of original top board 2 and the low stress area of lower platen 3, and remaining part forms gusset.It is emphasized that herein; in order to better protect battery; the lower surface of top board 2 and the upper surface of lower platen 3 usually need to ensure its flatness, so be preferably all furnished with gusset in the low stress area of the lower surface of the low stress area of the upper surface of top board 2 and lower platen 3.Gusset can strengthen service behaviour, just because of this performance of gusset, so just can do thinning design to top board 2 and lower platen 3 to low stress area part.Because top board 2 and lower platen 3 are tabular, so the gusset strengthened the service behaviour in plate face is preferably the gusset that rice font is arranged, the bending resistance of the gusset of rice font is stronger.So be preferably all furnished with a meter font gusset to the low stress area of the low stress area of the upper surface of top board 2 and the lower surface of described lower platen 3.
In order to alleviate the weight of the fixture of electrokinetic cell further, can change the material of the top board 2 in fixture and lower platen 3 into density smaller material, under same volume requirement, the weight of the material that density is little can be smaller.But will consider under same volume, the intensity of top board 2 and lower platen 3 should be too not low, based on this simultaneously, the material of top board 2 and lower platen 3 all can be adopted nylon, nylon has good mechanical property, can ensure the hardness requirement of top board 2 and lower platen 3, and density is lower.
Simple and convenient in order to install, generally top board 2, lower platen 3 and support 1 are fastenedly connected by connecting screw rod 5, other connecting rod convenient disassembly compared by connecting screw rod 5.The aluminum alloy materials that connecting screw rod 5 adopts density lower, to alleviate the quality of whole fixture.Aluminum alloy materials can not only ensure the intensity of connecting screw rod 5, and density is less, can reduce the weight of whole fixture greatly.For the ease of the installation of other parts, generally the termination of connecting screw rod 5 is provided with screw, it is 70 millimeters that the degree of depth of screw measures maximum according to measuring instrument, and in 70 millimeters, does not affect the intensity of connecting screw rod 5, so preferably the degree of depth of screw is decided to be 70 millimeters.Have the hexagon type convexed to form at the location hole edge at four angles of the upper surface of top board 2, and the hexagon end head shape of connecting screw rod 5 is agreed with, connecting screw rod 5 can be helped to locate and make its not easily turn.Four connecting screw rods 5 are each passed through top board 2, support 1 and lower platen 3 and are fastened together by above-mentioned each parts.The screw thread tail end extended length of connecting screw rod 5, the location hole on the mounting panel of Battery case can be continued across after fixing whole parts, fix with nut, whole battery module structure is made to be fixed on Battery case mounting panel, can save like this and use extra parts to be fixed on Battery case by battery modules, further can reduce the weight of Battery case.
Support 1 in a fixture generally has multiple, so do loss of weight design on support 1, and can effectively to whole fixture loss of weight.Can be as follows to the design of the loss of weight of support 1, first all force analysis is done to four limits of upper bracket 11 and four limits of lower carriage 12, and do stress analysis, find out the low stress area on four limits of upper bracket 11 and four limits of lower carriage 12, then loss of weight design is all done to the low stress area on four limits of upper bracket 11 and lower carriage 12, the concrete grammar of loss of weight design is the hole all arranged in the low stress area on four limits of upper bracket 11 and lower carriage 12 for loss of weight, the size shape in hole should to ensure that the basis that the stress of support 1 requires reach volume maximum, the weight alleviating whole fixture that such ability is maximum.In order to alleviate the weight of the fixture of electrokinetic cell further, the material of support 1 can be changed into plastics, as nylon.
Based on the fixture of the electrokinetic cell provided in above-described embodiment, present invention also offers a kind of electric automobile, this electric automobile comprises the fixture of any one electrokinetic cell in above-described embodiment.Because this electric automobile have employed the fixture of the electrokinetic cell in above-described embodiment, so the beneficial effect of this electric automobile please refer to above-described embodiment.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. the fixture of an electrokinetic cell, comprise the support (1) for fixing battery core, it is characterized in that, described support (1) comprises mutually stacked and lays respectively at upper bracket (11) and the lower carriage (12) of described battery core both sides; In described upper bracket (11) and described lower carriage (12), one is provided with buckle, and another one is provided with the draw-in groove matched with described buckle.
2. fixture according to claim 1, is characterized in that, the horizontal relative position of described upper bracket (11) and described lower carriage (12) is by alignment pin and location hole location.
3. fixture according to claim 1, it is characterized in that, at least two described supports (1) are stacked and be provided with fin (4) between adjacent described support (1), and the horizontal relative position of support (1) described in adjacent two and described fin (4) is between the two by alignment pin and location hole location.
4. fixture according to claim 3, it is characterized in that, described fin (4) comprises the main part for fitting with described battery core, and is only connected to described main part one side and is exposed to the radiating part in described support (1) outside.
5. fixture according to claim 4, is characterized in that, all the other side indentions of described fin (4).
6. fixture according to claim 1, it is characterized in that, described fixture comprises top board (2) and lower platen (3), stacked and the described support (1) of described top board (2), described lower platen (3) and described support (1) is arranged between described top board (2) and described lower platen (3), and is all furnished with a meter font gusset in the low stress area of the lower surface of the low stress area of the upper surface of described top board (2) and described lower platen (3).
7. fixture according to claim 6, is characterized in that, the material of described top board (2) and described lower platen (3) is nylon.
8. fixture according to claim 6, it is characterized in that, described fixture comprises the connecting screw rod (5) for described top board (2), described lower platen (3) and described support (1) being fastenedly connected, the tail end of described connecting screw rod (5) can through the mounting panel of lower box, described fixture also has the nut with described connecting screw rod (5) threaded engagement, and described nut is arranged on the lower surface of described mounting panel.
9. the fixture according to any one of claim 1-8, is characterized in that, the low stress area on four limits of described upper bracket (11) and described lower carriage (12) is provided with the hole for loss of weight.
10. an electric automobile, comprise vehicle body main part and be installed on the electrokinetic cell of described vehicle body main part by fixture, it is characterized in that, described fixture is the fixture described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510018352.4A CN104538571A (en) | 2015-01-14 | 2015-01-14 | Electric automobile and fixing device for power battery of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510018352.4A CN104538571A (en) | 2015-01-14 | 2015-01-14 | Electric automobile and fixing device for power battery of electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104538571A true CN104538571A (en) | 2015-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510018352.4A Pending CN104538571A (en) | 2015-01-14 | 2015-01-14 | Electric automobile and fixing device for power battery of electric automobile |
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| Country | Link |
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| CN (1) | CN104538571A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104795524A (en) * | 2015-04-30 | 2015-07-22 | 重庆长安汽车股份有限公司 | Battery module fixing device |
| CN106025129A (en) * | 2016-06-22 | 2016-10-12 | 重庆长安汽车股份有限公司 | Power battery system and power battery module connecting structure |
| CN106252539A (en) * | 2016-08-30 | 2016-12-21 | 山东胜伟园林科技有限公司 | A kind of solar recharging secondary battery jar |
| CN106784510A (en) * | 2017-03-15 | 2017-05-31 | 安徽江淮汽车集团股份有限公司 | Battery fixed mechanism, battery module assembly and automobile |
| CN109962188A (en) * | 2017-12-25 | 2019-07-02 | 河南森源重工有限公司 | Battery modules and its battery core retainer |
| CN110447124A (en) * | 2016-09-12 | 2019-11-12 | 超驱创新有限公司 | Battery-pack exterior casing |
-
2015
- 2015-01-14 CN CN201510018352.4A patent/CN104538571A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104795524A (en) * | 2015-04-30 | 2015-07-22 | 重庆长安汽车股份有限公司 | Battery module fixing device |
| CN106025129A (en) * | 2016-06-22 | 2016-10-12 | 重庆长安汽车股份有限公司 | Power battery system and power battery module connecting structure |
| CN106025129B (en) * | 2016-06-22 | 2018-11-27 | 重庆长安汽车股份有限公司 | A kind of electrokinetic cell system and power battery module connection structure |
| CN106252539A (en) * | 2016-08-30 | 2016-12-21 | 山东胜伟园林科技有限公司 | A kind of solar recharging secondary battery jar |
| CN110447124A (en) * | 2016-09-12 | 2019-11-12 | 超驱创新有限公司 | Battery-pack exterior casing |
| CN106784510A (en) * | 2017-03-15 | 2017-05-31 | 安徽江淮汽车集团股份有限公司 | Battery fixed mechanism, battery module assembly and automobile |
| CN106784510B (en) * | 2017-03-15 | 2019-04-16 | 安徽江淮汽车集团股份有限公司 | Battery fixed mechanism, battery mould group assembly and automobile |
| CN109962188A (en) * | 2017-12-25 | 2019-07-02 | 河南森源重工有限公司 | Battery modules and its battery core retainer |
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Application publication date: 20150422 |
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