CN206163559U - Bearing structure and power battery package - Google Patents
Bearing structure and power battery package Download PDFInfo
- Publication number
- CN206163559U CN206163559U CN201621056267.3U CN201621056267U CN206163559U CN 206163559 U CN206163559 U CN 206163559U CN 201621056267 U CN201621056267 U CN 201621056267U CN 206163559 U CN206163559 U CN 206163559U
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- Prior art keywords
- shell fragment
- cooled plate
- supporting construction
- support
- limiting section
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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
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Abstract
The utility model relates to a support technique field especially relates to a bearing structure and power battery package. Bearing structure is used for supporting the water -cooling board, and it includes supporting body and shell fragment, the shell fragment install in supporting body is last, one side of shell fragment has the press surface that is used for applying the pressing force to the water -cooling board, supporting body with form between the shell fragment and supply the space that the shell fragment warp. The shell fragment has deformability, therefore it can apply the pressing force to the water -cooling board for the water -cooling board is effectively laminated with the lower surface of battery module reliably. Because elastic deformation can be realized through the structure of self to this shell fragment, and need not to realize through the material of self, the rubber pad consequently comparing in the conventional art to adopt, the deformability of this shell fragment is difficult to receive influence of temperature to apply the effort to the water -cooling board more reliably, with this radiating effect that improves the power battery package.
Description
Technical field
The application is related to support technology field, more particularly to a kind of supporting construction and electrokinetic cell bag.
Background technology
With the continuous progressive and development of new forms of energy industry, the demand of electrokinetic cell bag is increasing, use range
It is more and more wider.And it is the important means for improving battery performance and service life that good heat management is carried out to electrokinetic cell bag.It is logical
Often, it is the common methods for promoting inside battery radiating cooled plate to be installed in electrokinetic cell bag, and cooled plate is in electrokinetic cell bag
Battery case in mounting means larger is affected on its cooling effect.
Traditional cooled plate is directly lain in power battery box, in order to ensure cooled plate can reliably with battery modules
Lower surface effectively fit, rubber blanket can be installed between cooled plate and battery case, by the rubber blanket to cooled plate apply
Active force so that cooled plate effectively can fit with the lower surface of battery modules.
However, the operating temperature in battery case is higher, cause the aging speed of rubber blanket very fast, or even easily produce cracking
The problems such as, therefore the rubber blanket is easy to occur failure within the life-span of electrokinetic cell bag, and cooled plate and mould are directly affected then
The laminating degree of group, causes the radiating effect of electrokinetic cell bag poor.
Utility model content
This application provides a kind of supporting construction and electrokinetic cell bag, with this radiating effect of electrokinetic cell bag is improved.
The first aspect of the application provides a kind of supporting construction, and for supporting cooled plate, it includes supporting body and bullet
Piece, the shell fragment is installed on the support body, and the side of the shell fragment has for applying pressing for pressing force to cooled plate
Pressure surface, forms the space for shell fragment deformation between the support body and the shell fragment.
Preferably, also including the shell fragment limiting section being fixed on the support body, the shell fragment limiting section can be with institute
State shell fragment to contact, to stop the motion of the shell fragment.
Preferably, the shell fragment limiting section includes the first positive stop strip, the second positive stop strip and positive stop lug boss, and described first is spacing
The bearing of trend of bar and second positive stop strip is consistent, and shell fragment receiving space is formed between the two, and the shell fragment is located at described
In shell fragment receiving space, the positive stop lug boss is engaged with the fixing hole on the shell fragment.
Preferably, the support body includes shell fragment installing plate, and the shell fragment installing plate to the direction of cooled plate is protruded.
Preferably, the shell fragment includes protuberance and depressed part, and the protuberance is to the direction away from the support body
Protrusion, the depressed part to the direction depression near the support body, the protuberance are fixedly connected with the depressed part.
Preferably, the protuberance and the depressed part equal at least two, each protuberance and each depressed part
Alternately fix successively, fixing hole is opened up on depressed part described at least one, the shell fragment is by the fixing hole and the support
Body is fixedly connected.
Preferably, opening up the depressed part of the fixing hole includes plate part, and the fixing hole is opened in described flat
In plate part.
Preferably, the depressed part for not opening up the fixing hole is arc.
Preferably, at least one end of the shell fragment is hook formation, and the hook formation is located at the inner side of the protuberance
In space, the inner space is the space between the protuberance and the support body.
Preferably, also including the cooled plate limiting section being fixed on the support body, the cooled plate limiting section is relative
It is used to be touched with the side edge of cooled plate in the surface protrusion of the support body, and the cooled plate limiting section, to limit
State the position of cooled plate.
Preferably, the cooled plate limiting section at least two, each cooled plate limiting section is relative two-by-two, to form water
Cold drawing receiving space.
Preferably, the top of the cooled plate limiting section has spigot surface, and the guiding is held away from the cooled plate
Receive space direction bending.
Preferably, module installing hole is opened up on the support body, the support body is used to be installed by the module
Hole is fixedly connected with battery modules, and the module mounting hole site is outside the cooled plate receiving space.
Preferably, the support body includes support stringer and support beam, the support stringer and the support beam
Equal at least two, the bearing of trend of each support stringer is consistent, and the support beam is fixed on described in adjacent two
Between support stringer, the shell fragment is installed in the support beam.
The second aspect of the application provides a kind of electrokinetic cell bag, and it includes cooled plate and supports the cooled plate
Supporting construction, the supporting construction is the supporting construction described in any of the above-described.
The technical scheme that the application is provided can reach following beneficial effect：
Supporting construction provided herein includes shell fragment, and the shell fragment has deformability, therefore it can be to cooled plate
Apply pressing force so that cooled plate is reliably effectively fitted with the lower surface of battery modules.Because the shell fragment can pass through itself
Structure realize elastic deformation, and without the need for be realized by the material of itself, therefore compared to the rubber employed in conventional art
Rubber cushion, the deformability of the shell fragment is not readily susceptible to the impact of temperature, so as to more reliably to cooled plate applying active force, with this
Improve the radiating effect of electrokinetic cell bag.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary, this can not be limited
Application.
Description of the drawings
The schematic diagram of the supporting construction that Fig. 1 is provided by the embodiment of the present application；
The installation diagram of the supporting construction that Fig. 2 is provided by the embodiment of the present application；
Another installation diagram of the supporting construction that Fig. 3 is provided by the embodiment of the present application；
The structural representation of the support body of the supporting construction that Fig. 4 is provided by the embodiment of the present application；
Fig. 5 is the front view of structure shown in Fig. 4；
The structural representation of the shell fragment of the supporting construction that Fig. 6 is provided by the embodiment of the present application；
Fig. 7 is the front view of structure shown in Fig. 6；
The structural representation of the support stringer of the supporting construction that Fig. 8 is provided by the embodiment of the present application；
The structural representation of another support stringer of the supporting construction that Fig. 9 is provided by the embodiment of the present application；
The structural representation of the another support stringer of the supporting construction that Figure 10 is provided by the embodiment of the present application.
Reference：
10- cooled plates；
11- battery cases；
12- battery modules；
20- supports body；
200- shell fragment installing plates；
201- module installing holes；
202- support stringers；
203- support beams；
21- shell fragments；
210- protuberances；
211- depressed parts；
211a- fixing holes；
The positive stop strips of 22- first；
The positive stop strips of 23- second；
24- cooled plate limiting sections；
25- positive stop lug boss.
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows the enforcement for meeting the application
Example, and be used to explain the principle of the application together with specification.
Specific embodiment
Below by specific embodiment and combine accompanying drawing the application is described in further detail.
As Figure 1-10 shows, the embodiment of the present application provides a kind of supporting construction, and the supporting construction is used to support cooled plate
10, it includes supporting body 20 and shell fragment 21, shell fragment 21 to be installed on support body 20.Support body 20 can be with battery case 11
Inwall contacts, and it can adopt flat board, and shell fragment 21 can then adopt v-shaped structure, and its middle part can be by threaded fastener, welding
Nut is fixed on support body 20.The side of shell fragment has the press surface for applying pressing force to cooled plate, supports body
The space for the deformation of shell fragment 21 is formed between 20 and shell fragment 21.For example, the opposite end of shell fragment 21 is free end, this two ends and water
Cold drawing 10 contacts, now the stress deformation of shell fragment 21, and shell fragment 21 at least slides relative to cooled plate 10, and then carries to cooled plate 10
For pressing force so that cooled plate 10 reliably can fit with battery modules 12.
Because above-mentioned shell fragment 21 can realize elastic deformation by the structure of itself, and need not be by the material of itself come real
It is existing, therefore compared to the rubber blanket employed in conventional art, the deformability of the shell fragment 21 is not readily susceptible to the impact of temperature,
, to the applying active force of cooled plate 10, the radiating effect of electrokinetic cell bag is improved with this so as to more reliably.In addition, the shell fragment 21 is also
Cushioning effect can be played, the service life of electrokinetic cell bag is extended with this.
Although above-mentioned shell fragment 21 can be installed on support body 20, in order to enter one by fixed forms such as threaded fasteners
Step lifts the installation strength of shell fragment 21, and with this shock-absorbing capacity of shell fragment 21 is improved, and the supporting construction that the embodiment of the present application is provided is also
May include to be fixed on the shell fragment limiting section supported on body 20, the shell fragment limiting section can mutually keep off with shell fragment 21 and connect.That is,
The motion of shell fragment 21 can be stopped by shell fragment limiting section, and then reach object defined above.
It is to be appreciated that above-mentioned shell fragment limiting section can be affixed to support body 20 on bulge-structure, or
Following structure：As shown in figure 4, this shell fragment limiting section include the first positive stop strip 22, the second positive stop strip 23 and positive stop lug boss 25, first
The bearing of trend of the positive stop strip 23 of positive stop strip 22 and second is consistent, and forms shell fragment receiving space between the two, and shell fragment 21 is located at
In the shell fragment receiving space.And positive stop lug boss 25 then can be engaged with the fixing hole 211a on shell fragment 21.First, the first positive stop strip
22 and second positive stop strip 23 can simultaneously limit motion (such as right and left Fig. 4 shown in of the shell fragment 21 in more direction
To)；Secondly, once shell fragment 21 is moved and contacts with the first positive stop strip 22 and the second positive stop strip 23, both and shell fragment 21
Contact area is larger, and then more securely limits the continuation motion of shell fragment 21, the reliability of shell fragment limiting section is improved with this, while anti-
Only shell fragment limiting section occurs breakage because local pressure is excessive.And after positive stop lug boss 25 is engaged with fixing hole 211a, then may be used
To limit displacement of the shell fragment 21 on fore-and-aft direction as shown in Figure 4.
In view of the aforementioned effect for supporting body 20 that there is mounting elastic sheet 21, therefore the support body 20 is including at least shell fragment peace
Dress plate 200, the shell fragment installing plate 200 can protrude to the direction of cooled plate, and shell fragment 21 is directly fixed on the shell fragment installing plate 200
It is upper.After being arranged such, shell fragment 21 can be closer to cooled plate 10 so that shell fragment 21 can provide bigger for cooled plate 10
Pressing force, with this radiating effect of electrokinetic cell bag is strengthened.
For the structure of shell fragment 21, following improvement can also be made：As shown in Figures 6 and 7, shell fragment 21 may include protuberance 210
With depressed part 211, to away from the direction protrusion for supporting body 20, depressed part 211 is near support body 20 for the protuberance 210
Direction is recessed, and protuberance 210 is fixedly connected with depressed part 211.The internal stress of this kind of shell fragment 21 is relatively large, therefore shell fragment
21 can keep larger elasticity so that shell fragment 21 more be enough to order about the reliability of cooled plate 10 to the active force that cooled plate 10 applies
Ground fits with the surface of battery modules 12.
Specifically, above-mentioned protuberance 210 and depressed part 211 can only be set to one, but in order to increase shell fragment 21 with
The active area of cooled plate 10, can be disposed as at least two by protuberance 210 and depressed part 211, each protuberance 210 and each recessed
Sunken portion 211 is alternately fixed successively, ultimately forms wavy shaped configuration.On this basis, can open up at least one depressed part 211
Fixing hole 211a, shell fragment 21 is connected by fixing hole 211a with body 20 is supported.Fixing hole 211a is opened in into depressed part 211
On benefit be sky that the securing member inserted in fixing hole 211a can be housed inside between depressed part 211 and cooled plate 10
In gap, therefore the securing member is not easy to cause cooled plate 10 infringement such as scuffing, while will not also take additional space.Herein
Securing member can be previously mentioned positive stop lug boss 25.
When above-mentioned fixing hole 211a is arranged, the depressed part 211 in the end positioned at shell fragment 21 can be selected to open up fixation
Hole 211a, it is also possible to select to open up fixing hole 211a on the depressed part 211 positioned at the middle part of shell fragment 21.Comparatively speaking, will
After fixing hole 211a is opened on the depressed part 211 at the middle part of shell fragment 21, the deformation of shell fragment 21 can more flexibly and
Do not limited by excessive, therefore the application preferably this kind of set-up mode.
The concrete structure of above-mentioned protuberance 210 and depressed part 211 can be rectangular configuration, but in order to prevent stress concentration
Situation occurs, and protuberance 210 and depressed part 211 can be disposed as into arcuate structure.But if fixing hole 211a will be opened up
Depressed part 211 be also configured as arcuate structure, the cooperation between securing member and fixing hole 211a will be unfavorable for.Therefore, open up solid
Determining the depressed part of hole 211a may include plate part and arc plate part, and now fixing hole 211a is opened on plate part, with
It is easy to that securing member is screwed in fixing hole 211a, arc plate part is then connected between plate part and protuberance 210.
In actual use, if the end of shell fragment 21 is than sharp, then the end will make to other structures
Into the infringement such as scuffing, in order to prevent this kind of situation from occurring, at least one end of shell fragment 21 can be set to hook formation, the hook-shaped knot
Structure is located in the inner space of protuberance 210.The inner space of protuberance 210 refers to the protuberance 210 and supports body 20
Between space, the end of shell fragment 21 can suitably alleviate the damage that the end of shell fragment 21 is caused to other structures using hook-shaped,
The end be located at protuberance 210 inner space in, then the end of the hidden elasticity slice 21 that can try one's best so that the end be not easy with
Other structures contact, and then reach object defined above.
Cooled plate 10 can be directly placed in the supporting construction of the embodiment of the present application offer, and the cooled plate 10 is in battery case
The side wall for being located through battery case 11 in 11 is realized.However, once cooled plate 10 collides with battery case 11, then
The structure of battery case 11 is highly susceptible to destruction, and failure occurs in the structure for ultimately resulting in whole electrokinetic cell bag.In view of this, join
According to Fig. 8-10, the supporting construction that the embodiment of the present application is provided may also include and be fixed on the cooled plate limiting section supported on body 20
24, the cooled plate limiting section 24 is used for and cooled plate relative to the surface protrusion for supporting body 20, and cooled plate limiting section 24
Edge mutually keeps off and connecing.Specifically, the cooled plate limiting section 24 can be the limiting plate directly gone out from support body 20, carry then
The structural strength of high cooled plate limiting section 24, and simplify the processing technology of the cooled plate limiting section 24.Obviously, by the cooled plate
Limiting section 24 limits the position of cooled plate 10, can reduce cooled plate more than 10 with what the other parts of electrokinetic cell bag collided
Rate.
In order to improve the limit effect of cooled plate limiting section 24, cooled plate limiting section 24 can be set at least two, respectively
Cooled plate limiting section 24 is relative two-by-two, to form cooled plate receiving space.That is, cooled plate 10 is limited in adjacent two water-cooled
In plate limiting section 24, and two adjacent cooled plates 10 are then separated by two other adjacent cooled plate limiting sections 24.Enter one
Step ground, can arrange spigot surface, direction of the guiding away from cooled plate receiving space on the top of cooled plate limiting section 24
Bending, so that the top of cooled plate receiving space has a larger space, and then under the guide effect of spigot surface more quickly
Cooled plate 10 is attached in whole supporting construction.
Alternatively, supporting can open up module installing hole 201 on body 20, support body 20 to pass through the module installing hole
201 are fixedly connected with battery modules 12.Specifically, battery modules 12 can be passed through using threaded fastener, and inserts module installation
In hole 201, the fixation between battery modules 12 and supporting construction is realized successively.In this kind of embodiment, threaded fastener can be located at
The inside of battery case 11, and then the burn into collision of external environment condition for threaded fastener etc. is reduced, while so that whole power electric
The structure of Chi Bao is compacter.
In order to weaken the negative effect that installation of the module installing hole 201 to cooled plate 10 is produced, can be by the module installing hole
201 are arranged at outside aforementioned cooled plate receiving space, for example, not necessarily form the two neighboring cooled plate limit of cooled plate receiving space
Between position portion 24.In addition, the quantity of the module installing hole 201 can be one, two it is even more many, specific quantity and its
The distributing position on body 20 is supported to be selected according to the installation requirement of battery modules 12.
In another embodiment, as seen in figs. 8-10, body 20 is supported to may include support stringer 202 and support beam 203, should
Support stringer 202 and support beam 203 equal at least two, the bearing of trend of each support stringer 202 is consistent, support beam
203 are fixed between adjacent two support stringer 202, and shell fragment 21 is installed in support beam 203, i.e., shell fragment hereinbefore is pacified
Dress plate 200 is a part of structure of support beam 203.The fixed body 20 that supports of arranging in length and breadth has higher structure strong
Degree.It should be noted that the concrete structure of each support stringer 202 and support beam 203 can be with different, such as Fig. 8-10 institutes
The three kinds of support stringers 202 for showing, are respectively the structures of the support stringer 202 of various location.Therefore, the He of each support stringer 202
The structure of support beam 203 is not limited according to the concrete structure flexible design of electrokinetic cell bag by the application.
The embodiment of the present application additionally provides a kind of electrokinetic cell bag, and the electrokinetic cell bag includes cooled plate 10 and support to be somebody's turn to do
The supporting construction of cooled plate 10, the supporting construction is the supporting construction described by any of the above-described technical scheme.
The preferred embodiment of the application is the foregoing is only, the application is not limited to, for the skill of this area
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent, improvement etc., should be included within the protection domain of the application.
Claims (15)
1. a kind of supporting construction, for supporting cooled plate, it is characterised in that install including body and shell fragment, the shell fragment is supported
On the support body, the side of the shell fragment has the press surface for applying pressing force to cooled plate, the support sheet
The space for shell fragment deformation is formed between body and the shell fragment.
2. supporting construction according to claim 1, it is characterised in that also including the shell fragment being fixed on the support body
Limiting section, the shell fragment limiting section can contact with the shell fragment, to stop the motion of the shell fragment.
3. supporting construction according to claim 2, it is characterised in that the shell fragment limiting section include the first positive stop strip, the
The bearing of trend of two positive stop strips and positive stop lug boss, first positive stop strip and second positive stop strip is consistent, between the two shape
Into shell fragment receiving space, the shell fragment is located in the shell fragment receiving space, the fixation on the positive stop lug boss and the shell fragment
Hole is engaged.
4. supporting construction according to claim 1, it is characterised in that the support body includes shell fragment installing plate, described
Protrude in shell fragment installing plate to the direction of cooled plate.
5. supporting construction according to claim 1, it is characterised in that the shell fragment includes protuberance and depressed part, described
, to the direction protrusion away from the support body, the depressed part is to the direction depression near the support body, institute for protuberance
State protuberance to be fixedly connected with the depressed part.
6. supporting construction according to claim 5, it is characterised in that the protuberance and the depressed part are at least two
Individual, each protuberance and each depressed part are alternately fixed successively, and fixing hole is opened up on depressed part described at least one, described
Shell fragment is fixedly connected by the fixing hole with the support body.
7. supporting construction according to claim 6, it is characterised in that open up the depressed part of the fixing hole include it is flat
Plate part, the fixing hole is opened on the plate part.
8. supporting construction according to claim 6, it is characterised in that the depressed part for not opening up the fixing hole is arc
Shape plate.
9. supporting construction according to claim 5, it is characterised in that at least one end of the shell fragment is hook formation, institute
State hook formation positioned at the protuberance inner space in, the inner space be the protuberance and it is described support body it
Between space.
10. the supporting construction according to any one of claim 1-9, it is characterised in that also including being fixed on the support
Cooled plate limiting section on body, the cooled plate limiting section protrudes relative to the surface of the support body, and the water-cooled
Plate limiting section is used to be touched with the side edge of cooled plate, to limit the position of the cooled plate.
11. supporting constructions according to claim 10, it is characterised in that the cooled plate limiting section at least two, respectively
The cooled plate limiting section is relative two-by-two, to form cooled plate receiving space.
12. supporting constructions according to claim 11, it is characterised in that the top of the cooled plate limiting section has guiding
Face, the guiding bends away from the direction of the cooled plate receiving space.
13. supporting constructions according to claim 11, it is characterised in that open up module installing hole on the support body,
The support body is used to be fixedly connected with battery modules by the module installing hole, and the module mounting hole site is in the water
Outside cold drawing receiving space.
14. supporting constructions according to any one of claim 1-9, it is characterised in that the support body includes supporting
Longeron and support beam, the support stringer and the support beam equal at least two, the extension side of each support stringer
To consistent, the support beam is fixed between adjacent two support stringer, and the shell fragment is installed on the support
On crossbeam.
15. a kind of electrokinetic cell bags, it is characterised in that described including cooled plate and the supporting construction of the support cooled plate
Supporting construction is the supporting construction any one of claim 1-14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621056267.3U CN206163559U (en) | 2016-09-14 | 2016-09-14 | Bearing structure and power battery package |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621056267.3U CN206163559U (en) | 2016-09-14 | 2016-09-14 | Bearing structure and power battery package |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206163559U true CN206163559U (en) | 2017-05-10 |
Family
ID=58650333
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621056267.3U Active CN206163559U (en) | 2016-09-14 | 2016-09-14 | Bearing structure and power battery package |
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| CN (1) | CN206163559U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109449338A (en) * | 2018-12-10 | 2019-03-08 | 广州市垠瀚能源科技有限公司 | A kind of the battery core fixed structure and electric vehicle of electric car |
| CN110233216A (en) * | 2019-05-27 | 2019-09-13 | 蜂巢能源科技有限公司 | Battery pack and vehicle |
| CN111531243A (en) * | 2020-05-09 | 2020-08-14 | 苏州三体智能科技有限公司 | Accurate safe maintenance device and method for PCB |
| CN111668420A (en) * | 2020-06-24 | 2020-09-15 | 蜂巢能源科技有限公司 | Elastic support, power battery cooling system and vehicle |
-
2016
- 2016-09-14 CN CN201621056267.3U patent/CN206163559U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109449338A (en) * | 2018-12-10 | 2019-03-08 | 广州市垠瀚能源科技有限公司 | A kind of the battery core fixed structure and electric vehicle of electric car |
| CN109449338B (en) * | 2018-12-10 | 2024-05-07 | 广州市垠瀚能源科技有限公司 | Battery core fixing structure of electric automobile and electric automobile |
| CN110233216A (en) * | 2019-05-27 | 2019-09-13 | 蜂巢能源科技有限公司 | Battery pack and vehicle |
| CN110233216B (en) * | 2019-05-27 | 2022-08-19 | 蜂巢能源科技有限公司 | Battery pack and vehicle |
| CN111531243A (en) * | 2020-05-09 | 2020-08-14 | 苏州三体智能科技有限公司 | Accurate safe maintenance device and method for PCB |
| CN111531243B (en) * | 2020-05-09 | 2021-08-24 | 深圳市前海新丝路科技有限公司 | Accurate safe maintenance device and method for PCB |
| CN111668420A (en) * | 2020-06-24 | 2020-09-15 | 蜂巢能源科技有限公司 | Elastic support, power battery cooling system and vehicle |
| CN111668420B (en) * | 2020-06-24 | 2022-05-17 | 蜂巢能源科技股份有限公司 | Elastic support, power battery cooling system and vehicle |
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