CN209389082U - A kind of battery pack, power battery and electric vehicle - Google Patents

A kind of battery pack, power battery and electric vehicle Download PDF

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Publication number
CN209389082U
CN209389082U CN201821942703.6U CN201821942703U CN209389082U CN 209389082 U CN209389082 U CN 209389082U CN 201821942703 U CN201821942703 U CN 201821942703U CN 209389082 U CN209389082 U CN 209389082U
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CN
China
Prior art keywords
coldplate
connecting column
bottom plate
elastic component
battery pack
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Active
Application number
CN201821942703.6U
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Chinese (zh)
Inventor
张越
周燕飞
张中林
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Chongqing Fudi Battery Research Institute Co ltd
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BYD Co Ltd
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Priority to CN201821942703.6U priority Critical patent/CN209389082U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Battery Mounting, Suspending (AREA)

Abstract

The utility model discloses a kind of battery packs, including battery modules, pallet, coldplate, connecting column, elastic component;Pallet includes bottom plate, and the lower end of connecting column is fixedly connected with the bottom plate;Coldplate is located above the bottom plate, is equipped with free gap between coldplate and bottom plate, coldplate can the relatively described bottom plate it is up and down;Elastic component is set on the connecting column, and the upper end of elastic component is only butted on coldplate, and the lower end of elastic component is only butted on the bottom plate, and elastic component is in compression shape and upward elastic force is provided to coldplate.By battery pack provided by the present application be applied to electric vehicle when, it is ensured that under bad working environments, coldplate is flexibly supported by elastic component, make coldplate be bonded with battery modules bottom and.In addition, elastic component is set on connecting column, connecting column plays the role of guiding to elasticity, can be realized simultaneously elastic component in the limit of X-axis, Y-axis and Z-direction.

Description

A kind of battery pack, power battery and electric vehicle
Technical field
This application involves a kind of power battery field more particularly to a kind of battery pack, power battery and electric vehicles.
Background technique
In battery pack, coldplate is usually directly or indirectly fixed on on the inside of pallet the cooling for realizing battery or is added Heat, coldplate be bonded with battery core bottom it is closer, it is more preferable to the heat dissipation or cooling effect of battery.When coldplate is directly anchored to On the inside of pallet, pallet and coldplate are directly contacted, are used under the long-term bad working environments of automobile, and vehicle frame and pallet occur to a certain degree When deformation, tray upper surface flatness can change, and cause to generate gap between coldplate and battery core, and thermal resistance increases even cooling Liquid leakage;Therefore higher to the planarity requirements of the tray upper surface contacted with coldplate, processing cost is high, this outer tray with it is cold When night plate directly contacts, heat exchange is more, the cooling of battery core or heating effect decline;When coldplate is indirectly fixed on the inside of pallet When, heat-barrier material is equipped between pallet and coldplate, in the long-term use, heat-barrier material has the possibility of conquassation deformation Property, cause coldplate and battery core part to generate gap, thermal resistance increases, therefore to the resistance to compression force request of heat-barrier material.
The patent application text of Publication No. CN105552272A discloses a kind of power battery pack, passes through the support of plate Part is connected with the elastic component of sheet provides support force jointly for coldplate, so that coldplate is fitted closely with battery, and energy Cushion effect enough is provided for coldplate, when being shaken impact, makes coldplate from impact.But the program exist the disadvantage is that, should It is connected by the way of buckle and card hole cooperation between supporting element and elastic component in scheme, is equally adopted between supporting element and coldplate Be fixedly connected with buckle with the mode of the cooperation of card hole, the fixed form of this buckle and card hole cooperation can only constrain supporting element with In battery modules in the displacement of Z-direction and X-direction, in Y direction position still can occur elastic component for supporting element and elastic component It moves, meeting after supporting element is subjected to displacement is so that coldplate entirety influences coldplate and battery modules heat in Z-direction discontinuity The laminating degree of bottom reduces exchange rate, further, since using the side of buckle card hole cooperation between supporting element and coldplate Formula connection, coldplate are formed by the way of punching press, and production cost is higher.
Utility model content
For above at least one problem, this application provides a kind of battery pack, the battery pack includes battery modules, support Disk, coldplate, connecting column, elastic component;The pallet includes bottom plate, and the lower end of the connecting column is fixedly connected with the bottom plate; The coldplate is located above the bottom plate, free gap is equipped between the coldplate and the bottom plate, the coldplate can The relatively described bottom plate is up and down;The elastic component is set on the connecting column, and the upper end of the elastic component is only butted on institute Coldplate is stated, the lower end of the elastic component is only butted on the bottom plate, and the elastic component is provided in compression shape and to the coldplate Upward elastic force.
Optionally, be provided with first through hole on the coldplate, the connecting column pass through the first through hole and with it is described Bottom plate is fixedly connected, and the coldplate can be up and down along the relatively described bottom plate of the connecting column.
Optionally, the coldplate includes coldplate main body and connects relative to the first of coldplate body depression formation Column installation space is connect, the first through hole is arranged in the first connecting column installation space.
Optionally, the side of the coldplate is equipped at intervals with multiple first connecting column installation spaces.
Optionally, the middle position of the coldplate is equipped with the first connecting column installation space.
Optionally, the top of the connecting column is located in the first connecting column installation space.
Optionally, the coldplate lower surface, which is sticked, supporting element, and the supporting element is equipped with the second through-hole, the connecting column It is fixedly connected across second through-hole and with the bottom plate, the supporting element can be above and below the relatively described bottom plate of the connecting column Activity.
Optionally, the supporting element includes supporting element main body and connects relative to the second of supporting element body depression formation Column installation space is connect, second through-hole is arranged in the second connecting column installation space.
Optionally, the side of the supporting element is equipped at intervals with multiple second connecting column installation spaces.
Optionally, the middle position of the supporting element is equipped with the second connecting column installation space.
Optionally, the top of the connecting column is located in the second connecting column installation space.
Optionally, gasket is provided between the upper end of the elastic component and the coldplate, the upper end of the elastic component is logical It crosses the gasket and is only butted on the coldplate.
Optionally, the connecting column is screw, and the upper end of the connecting column is nut, and the lower end of the connecting column is provided with External screw thread is provided with the internal thread hole with the cooperation of the lower end of the connecting column, the lower end of the connecting column and institute on the bottom plate State base thread connection.
Optionally, the elastic component is spring.
Optionally, the upper surface of the coldplate, which is sticked, heat-conducting glue or heat conductive pad.
Optionally, the lower surface of the coldplate is equipped with thermal insulation material.
Second purpose of the utility model provides a kind of power battery, and the power battery includes the electricity of above-mentioned offer Chi Bao.
The third purpose of the utility model provides a kind of electric vehicle, and the electric vehicle includes the power electric Pond.
Compared with prior art, the application has the beneficial effect that is arranged elastic component below coldplate, and elastic component It is set on connecting column, coldplate is flexibly supported by elastic component, is bonded coldplate with battery modules bottom.By this Shen When the battery pack that please be provided is applied to electric vehicle, when electric vehicle is under bad working environments or leads to vehicle frame due to being used for a long time And battery tray deform when, elastic component can servo support, still can guarantee coldplate be bonded with the reliable of battery modules, it is possible thereby to Reduction is because of the problem of gap generated between coldplate and battery core causes thermal resistance to increase, and cooling effect is deteriorated.Because of coldplate and pallet It is not directly contacted with, therefore the requirement on machining accuracy of the upper surface of pallet is lower, reduces manufacturing cost;In addition, elastic component is arranged On connecting column, connecting column plays the role of guiding to elasticity, can be realized simultaneously elastic component in X-axis, Y-axis and Z-direction Limit is reduced because under bad working environments, and battery pack vibration causes between coldplate and battery modules, the dislocation of coldplate and elastic component The bad problem of bring coldplate cooling effect.
Detailed description of the invention
Fig. 1 is the explosive view of the screw of the utility model one embodiment, coldplate and elastic component;
The coldplate and the structural schematic diagram after pallet assembly that Fig. 2 is the utility model one embodiment;
Fig. 3 is the explosive view of the screw of another embodiment of the utility model, coldplate and elastic component;
Fig. 4 is the utility model in explosive view of the coldplate lower surface equipped with supporting element;
Front view after the structural member assembly that Fig. 5 is Fig. 4;
Fig. 6 is schematic diagram of the utility model further embodiment in coldplate following settings supporting element;
Fig. 7 is the schematic diagram in the utility model further embodiment after the assembly of coldplate following settings supporting element;
Fig. 8 is the structural schematic diagram of supporting element.
Appended drawing reference:
1 connecting column, 11 shaft shoulders, 2 gaskets, 3 elastic components, 4 coldplates, 41 coldplate main bodys, the installation of 42 first connecting columns are empty Between, 43 first through hole, 5 battery modules, 6 pallets, 61 internal thread holes, 62 bottom plates, 7 supporting elements, 71 supporting element main bodys, 72 second is logical Hole, 73 grooves, 8 sleeves.
Specific embodiment
The application is described in further detail below by specific embodiment and in conjunction with attached drawing." inside " is in text Refer to that the side for closing on battery modules, " outside " refer to the side far from battery modules.
As Figure 1-Figure 4, the embodiment of the present application provides a kind of battery pack, including battery modules 5, pallet 6, coldplate 4, connecting column 1, elastic component 3;The pallet 6 includes bottom plate 62, and the lower end of the connecting column 1 is fixedly connected with the bottom plate 62; The coldplate 4 is located at 62 top of bottom plate, and free gap is equipped between the coldplate 4 and the bottom plate 62, described cold But plate 4 can the relatively described bottom plate 62 it is up and down;Described elastic 3 are set on the connecting column 1, and the elastic component 3 Upper end is only butted on the coldplate 4, and the lower end of the elastic component 3 is only butted on the bottom plate 62, and the elastic component 3 is in compress shape simultaneously Upward elastic force is provided to the coldplate 4.
Coldplate 4 is bonded closer with 5 bottom of battery modules, and thermal conduction effect is better, if coldplate 4 directly pacified Higher to the planarity requirements of 6 upper surface of pallet mounted in 6 upper surface of pallet, processing cost is high, and coldplate 4 and pallet 6 are direct Contact, heat exchange is more, the cooling of battery modules 5 or heating effect decline;Furthermore when under the long-term bad working environments of automobile using leading When vehicle frame and pallet 6 being caused to occur to deform to a certain degree, 6 top surface plane degree of pallet can change, and lead to coldplate 5 and battery Gap is generated between mould group 5, thermal resistance increases even coolant liquid leakage.To solve the above-mentioned problems, the application is in coldplate 5 and support It is provided with elastic component 3 between disk 6, free gap is equipped between coldplate 4 and bottom plate 62, when battery pack is under bad working environments, As more severe in shaken, coldplate 4 can be up and down relative to the bottom plate 62 in free gap, on the cooling plate lower activity During, elastic component 3 flexibly supports coldplate 4, protects the good fit of sign coldplate 4 and 5 bottom of battery modules, avoids Gap is generated between battery modules 5 and coldplate 4 causes thermal resistance to increase, and cooling effect is deteriorated.Elastic component 3 is set in connecting column 1 On, connecting column 1 plays the role of guide and limit to elastic component 3, prevents elastic component 3 from positioning occurs.1 lower end of connecting column and bottom plate 62 It is fixedly connected, is activity between the upper end and coldplate 4 of connecting column 1 to guarantee that coldplate 4 can be up and down relative to bottom plate 62 Connection, under normal circumstances, elastic component is at compressive state, so as to provide upward elastic force for coldplate 4.
The application is not construed as limiting connecting column 1 and the connection type of bottom plate 62.The lower end of connecting column 1 can with bottom plate 62 Disassembly is fixedly connected, or is welded directly together, the application to the connection type of the upper end of connecting column 1 and coldplate 4 not yet It limits, as long as guaranteeing that the relatively described bottom plate of coldplate 4 can be up and down.
According to battery pack provided by the present application, the coldplate is equipped with first through hole 43;The connecting column 1 passes through described the One through-hole 43 is simultaneously fixedly connected with the bottom plate 62, and the coldplate 4 can be living along relatively described about 62 bottom plate of the connecting column 1 It is dynamic.Connecting column 1 can play the role of limit to elastic component 3 and coldplate 4 simultaneously as a result, can be realized simultaneously coldplate 4 and bullet Property part 3 in the fixation of X-axis, Y-axis and Z-direction, reduce because under bad working environments, battery pack vibration leads to coldplate 4 and battery mould Between group 5, the problem that dislocation bring 4 cooling effects of coldplate of coldplate 4 and elastic component 3 are bad, it is relatively simple for structure, surely It is qualitative higher.
Preferably, the coldplate 4 includes coldplate main body 41 and is formed relative to the coldplate main body 41 recess First connecting column installation space 42, the first through hole 43 are arranged in the first connecting column installation space 42.Coldplate 4 Material is usually thin-walled aluminium, and intensity is poor, which can be improved the local stiffness of coldplate 4, separately Outside, battery pack internal component arrangement is typically more compact, and when necessary, 42 structure of the first connecting column installation space can realize top The evacuation function in space, when coldplate 4 is along the activity upwards of connecting column 1, the first connecting column installation space 42 can be provided Cushion space.
The application is not construed as limiting the quantity of the first connecting column installation space 42 and position, can be according to actual need It will be in the first connecting column installation space 42 of the different location of coldplate 4 setting different number.First connecting column installation space 42 Top might have battery modules 5 or other structures part, in order to facilitate the installation of battery modules 5 or other structures part, it is preferred that The first connecting column installation space 42 is arranged in the side of coldplate 4, avoids the first connecting column installation space as far as possible as a result, 42 settings are made troubles to the installation of battery modules 5.In order to enable coldplate 4 is more uniformly stressed, preferred four in coldplate 4 A side is provided with the first connecting column installation space 42 and two opposite sides is either provided with the installation of the first connecting column Space 42, and the setting of the first connecting column installation space 42 interval.
In order to further increase coldplate 4 installation stabilization and reliability and facilitate coldplate 4 and battery modules 5 What is be bonded is closer, and the middle position of the coldplate 4 is equipped with the first connecting column installation space 42.
Further, in order to reduce connecting column 1 to the greatest extent in up and down process to the battery modules 5 above coldplate 4 Or the influence of other structures, the top of the connecting column 1 are located at 42 in the first connecting column installation space.
The application is not construed as limiting the specific structure of coldplate 4, can be made of panel and substrate, and flow passage structure is located at face In the cavity that plate and substrate limit, or flow passage structure directly is stamped and formed out inside coldplate 4.
In order to reinforce the overall stiffness of coldplate 4, avoid elastic support points because of 4 local deformation of coldplate caused by dispersion, 4 lower surface of coldplate is sticked and has supporting element 7.
Battery modules 5 are directly installed on 4 top of coldplate, if the first connecting column installation space is arranged on coldplate 4 42, connecting column 1 is located in the first connecting column installation space 42, may bring to the installation of battery modules 5 or other structures part Inconvenience, because being equipped with the second through-hole 72 in the support in order to avoid such problem, the connecting column 1 passes through described second Through-hole 72 is simultaneously fixedly connected with the bottom plate 62, and the supporting element 7 can be living along relatively described about 62 bottom plate of the connecting column 1 It is dynamic.That is connecting column 1 is not direct connect with coldplate 4, but is connect by supporting element 7 with coldplate 4, due to connecting column 1 is not directly connected to coldplate 4, and 4 surface of coldplate can not have to setting first through hole 43 and the first connecting column installation space 42, The installation of battery modules 5 or other structures part is just no longer influenced by first through hole 43, connecting column 1 and the first connecting column installation space 42 limit.The assembling of entire battery pack is also more easier.
Coldplate 4 and the connection type of supporting element 7 are not construed as limiting, it is preferred that are welded between coldplate 4 and supporting element 7 solid Fixed, structure can be more stable.
The application is not construed as limiting the setting position of second through-hole 72 and quantity, to facilitate installation, supporting element 7 Side exceeds the side of coldplate 4, and second through-hole 72 is arranged at intervals on side position of the supporting element 7 beyond coldplate 4 It sets.
Alternatively, the supporting element 7 include supporting element main body 71 and formed relative to the supporting element main body 71 recess the Two connecting column installation spaces, second through-hole 72 are arranged in the second connecting column installation space.The installation of second connecting column Space structure can realize the evacuation function of headspace, when supporting element 7 is along the activity upwards of connecting column 1, the second connecting column Installation space can provide cushion space.Be arranged 1 installation part of the second connecting column can make the installation of connecting column 1 it is more flexible and It is convenient.
The application is not construed as limiting the quantity of the second connecting column installation space and position, can be according to the actual needs In the second connecting column installation space of the different location setting different number of supporting element 7.In order to reduce connecting column 1 to coldplate 4 4 stress of influence and branch coldplate it is more uniform, it is preferred that by the second connecting column installation space be arranged in supporting element 7 side is further preferably provided with the second connecting column installation space either two in four sides of supporting element 7 A opposite side is provided with the second connecting column installation space, and the second connecting column installation space interval is arranged.
In order to further increase coldplate 4 installation stabilization and reliability and facilitate coldplate 4 and battery modules 5 What is be bonded is closer, and the middle position of the coldplate 4 is equipped with the second connecting column installation space.
Further, in order to reduce connecting column 1 to the greatest extent during up and down to the battery modules above coldplate 4 5 or other structures influence, the top of the connecting column 1 is located in the second connecting column installation space.
In order to reduce the weight of support plate, the support plate is equipped with groove 73.Reinforce simultaneously in order to play as a result, described The marginal position of support plate and/or the edge of groove 73 are equipped with flange reinforcement structure.
The application is to the shape of flange reinforcement structure, size and is not particularly limited.
The application is not construed as limiting the material of support plate, can be thin metal blank, or intensity is higher compound Material, such as carbon fibre material, support plate can use punch forming, and the plate structure that support plate can be integrally formed can also Think seperated multi-blocked structure, the application is not construed as limiting, and the application is also not construed as limiting the position of groove 73 and shape.
According to battery pack provided by the present application, it is provided with gasket 2 between the upper end and the coldplate 4 of the elastic component 3, The upper end of the elastic component 3 is only butted on the coldplate 4 by the gasket 2.The gasket 2 for increase elastic component 3 with it is cold But the contact area of plate 4 improves the reliability of resilient support, and the application is not construed as limiting the specific structure of gasket 2, can be pad Circle or other structure types.
The application is not construed as limiting the specific structure of connecting column 1.As long as guiding role can be played.
Preferably, the connecting column 1 is screw, and the upper end of the connecting column 1 is nut, and the lower end of the connecting column 1 is set It is equipped with external screw thread, the internal thread hole 61 with the cooperation of the lower end of the connecting column 1, the connecting column 1 are provided on the bottom plate 62 Lower end be threadedly coupled with the bottom plate 62.Connecting column 1 is detachably secured on bottom plate 62 by screw, practical operation is got up It is more convenient.The position-limiting action of Z-direction is played to coldplate 4 in the upper surface that nut is stuck in coldplate 4, or is stuck in branch The position-limiting action in the direction of Z axis is played to supporting element 7 in the upper surface of support member 7.
The application is not particularly limited the specification of screw.The internal thread hole 61 of pallet 6 during processing, Wu Fajing The true pore structure for processing certain size can be selected when the internal thread hole 61 that screw is mounted on to pallet 6 with the shaft shoulder 11 The screw of feature, such as interior 11 screw of the hexagonal cylindrical head shaft shoulder, the upper surface of the shaft shoulder 11 is stuck in the upper surface of bottom plate 62, for real The positioning of existing screw screw-in depth and the holding of screw pretightning force, or it is arranged with sleeve 8 in plain screw outer surface, it is described The lower surface of sleeve 8 is stuck in be contacted with the upper surface of bottom plate 62, positioning and spiral shell of the sleeve 8 for realizing the screw-in depth of screw Follow closely the holding of pretightning force.Material the application of sleeve 8 is not construed as limiting, in order to make sleeve 8 have certain compressive property, to guarantee The material of screw pretightning force, sleeve 8 can be the higher metal of intensity or the higher composite material of compression strength, by spiral shell It nails on and is equipped with location structure, it is possible to reduce the machining accuracy of pallet 6 reduces production cost.
In this application, the specific structure of elastic component 3 is not construed as limiting, only there is certain elasticity, coldplate 4 can be given The structural member flexibly supported is done, can be spring or plastics elastic component 3, for example, can be cylindrically coiled spring, variable diameter The standard components such as helical spring, linearly or nonlinearly flat spring, rubber spring can also be nonstandard customization elastic component 3 etc..
Further, the elastic component 3 is preferably spring, and spring is standard component mature in the market, and interchangeability is strong, convenient Buying and control, are conducive to cost control.
Further, in order to improve the heat-conducting effect between coldplate 44 and battery modules 55, the coldplate 44 it is upper Surface is equipped with Heat Conduction Material (being not drawn into figure), and the Heat Conduction Material and the bottom of the battery modules 55 fit.The application The type of Heat Conduction Material is not construed as limiting, can be heat-conducting glue, heat conductive pad.
In this application, it is flexibly supported below coldplate 44 using elastic component 33, is stayed between coldplate 44 and pallet 66 There is gap, which may be used as air heat-insulation layer, solve the problems, such as the heat loss between coldplate 4 and pallet 6., in order into one The heat insulation effect of the raising battery pack of step reduces heat loss, and 4 lower surface of coldplate is equipped with thermal insulation material or directly in cooling 4 lower surface spray coating heat preservation coating of plate, the application are not construed as limiting the type of thermal insulation material, can be foaming kind thermal insulation material, example Such as foam or polyurethane coating thermal insulation material.In traditional battery pack structure, heat preservation is set between coldplate 4 and bottom plate 62 Material, thermal insulation material often also act as the effect of support weighing, and higher to the intensity of thermal insulation material, in addition coldplate 4 is pressed in guarantor On adiabator, be used for a long time rear thermal insulation material be easily crushed it is thinning cause thermal resistance to increase, cooling effect is deteriorated, in the application, by It can provide more longlasting reliable elasticity support force in elastic component 3, avoid the above problem.
Present invention also provides a kind of power battery, the battery pack containing above-mentioned offer, the utility model relates to battery Packet designs advantages of simple in structure, uses easy to operate, and practicability is very high, lower production costs.Contain the electricity The power battery of Chi Bao, reliability and stabilization are higher, and the service life of power battery extends.
Present invention also provides a kind of electric vehicles containing the power battery.
The above is only the application more preferred embodiments, are not intended to limit this application, for the skill of this field For art personnel, the application can be by various modifications and variations.Within the spirit and principles of this application, that is done any repairs Change, equivalent replacement, improvement should be included within the scope of protection of this application.

Claims (18)

1. a kind of battery pack, which is characterized in that including battery modules, pallet, coldplate, connecting column, elastic component;The pallet packet Bottom plate is included, the lower end of the connecting column is fixedly connected with the bottom plate;The coldplate is located above the bottom plate, the cooling Between plate and the bottom plate be equipped with free gap, the coldplate can the relatively described bottom plate it is up and down;The elastic component is arranged On the connecting column, and the upper end of the elastic component is only butted on the coldplate, and the lower end of the elastic component is only butted on described Bottom plate, the elastic component is in compression shape and upward elastic force is provided to the coldplate.
2. battery pack according to claim 1, which is characterized in that be provided with first through hole, the company on the coldplate Column is connect across the first through hole and is fixedly connected with the bottom plate, the coldplate can be along the relatively described bottom plate of the connecting column It is up and down.
3. battery pack according to claim 2, which is characterized in that the coldplate includes coldplate main body and relative to institute The first connecting column installation space of coldplate body depression formation is stated, the first through hole setting is installed in first connecting column In space.
4. battery pack according to claim 3, which is characterized in that the side of the coldplate is equipped at intervals with multiple described One connecting column installation space.
5. battery pack according to claim 3, which is characterized in that the middle position of the coldplate is equipped with described first and connects Connect column installation space.
6. according to battery pack described in claim 3 to 5 any one, which is characterized in that the top of the connecting column is located at institute It states in the first connecting column installation space.
7. battery pack according to claim 1, which is characterized in that the coldplate lower surface is sticked and has supporting element, described Supporting element is equipped with the second through-hole, and the connecting column passes through second through-hole and is fixedly connected with the bottom plate, the supporting element It can be up and down along the relatively described bottom plate of the connecting column.
8. battery pack according to claim 7, which is characterized in that the supporting element includes supporting element main body and relative to institute The second connecting column installation space of supporting element body depression formation is stated, the second through-hole setting is installed in second connecting column In space.
9. battery pack according to claim 8, which is characterized in that the side of the supporting element is equipped at intervals with multiple described Two connecting column installation spaces.
10. battery pack according to claim 8, which is characterized in that the middle position of the supporting element is equipped with described second Connecting column installation space.
11. according to battery pack described in claim 8 to 10 any one, which is characterized in that the top of the connecting column is located at In the second connecting column installation space.
12. battery pack according to claim 1, which is characterized in that between the upper end of the elastic component and the coldplate It is provided with gasket, the upper end of the elastic component is only butted on the coldplate by the gasket.
13. battery pack according to claim 1, which is characterized in that the connecting column is screw, the upper end of the connecting column For nut, the lower end of the connecting column is provided with external screw thread, is provided on the bottom plate and the cooperation of the lower end of the connecting column Internal thread hole, the lower end of the connecting column are connect with the base thread.
14. battery pack according to claim 1, which is characterized in that the elastic component is spring.
15. the upper battery pack according to claim 1, which is characterized in that the upper surface of the coldplate is sticked and has heat-conducting glue Or heat conductive pad.
16. battery pack according to claim 1, which is characterized in that the lower surface of the coldplate is equipped with thermal insulation material.
17. a kind of power battery, which is characterized in that the power battery includes the described in any item batteries of claim 1-16 Packet.
18. a kind of electric vehicle, which is characterized in that the electric vehicle includes power battery described in claim 17.
CN201821942703.6U 2018-11-23 2018-11-23 A kind of battery pack, power battery and electric vehicle Active CN209389082U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821942703.6U CN209389082U (en) 2018-11-23 2018-11-23 A kind of battery pack, power battery and electric vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821942703.6U CN209389082U (en) 2018-11-23 2018-11-23 A kind of battery pack, power battery and electric vehicle

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Publication Number Publication Date
CN209389082U true CN209389082U (en) 2019-09-13

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114256532A (en) * 2021-11-30 2022-03-29 江铃汽车股份有限公司 Cooling plate support and battery pack

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114256532A (en) * 2021-11-30 2022-03-29 江铃汽车股份有限公司 Cooling plate support and battery pack
CN114256532B (en) * 2021-11-30 2023-12-01 江铃汽车股份有限公司 Cooling plate support and battery pack

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