CN209119275U - Heat-radiation dynamic cell mould group - Google Patents
Heat-radiation dynamic cell mould group Download PDFInfo
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- CN209119275U CN209119275U CN201822092207.2U CN201822092207U CN209119275U CN 209119275 U CN209119275 U CN 209119275U CN 201822092207 U CN201822092207 U CN 201822092207U CN 209119275 U CN209119275 U CN 209119275U
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- bracket
- heat
- thermally conductive
- conductive sheet
- liquid cooling
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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 discloses a kind of heat-radiation dynamic cell mould group, including module group, silicagel pad and liquid cooling plate, module group is stacked gradually by multiple monomer modules and is constituted, the monomer module include bracket, the thermally conductive sheet in bracket, in bracket thermally conductive sheet two sides battery core, the thermally conductive sheet is stretched out from at least side of bracket, and it has been bent to form bending part along the thickness direction of bracket, at least side of the bracket includes the bottom side of bracket；The upper surface of silicagel pad is bonded with the bottom of the module group；Liquid cooling plate is set to the lower section of the silicagel pad, and the liquid cooling plate is bonded with the lower surface of the silicagel pad.It has been bent to form bending part on the utility model thermally conductive sheet, and has been coated with radiation paint, and liquid cooling plate is made of cover board and bottom plate, the space between cover board and bottom plate forms runner, can effectively improve the heat dissipation effect of mould group.
Description
Technical field
The utility model belongs to power battery technology field, and in particular to a kind of heat-radiation dynamic cell mould group.
Background technique
Power battery module radiates current mainstream technology are as follows: 1, coolant liquid cooling system.2, air cooling system.3, straight
Cooling system.Different cooling systems, the structure of constituent parts is different, vary in weight and the cost of system is different and controlling party
Formula is different, so that system performance achieved is not also identical.1, coolant liquid cooling system: coolant liquid cooling system has system tight
It gathers, the advantages that cooling performance is good and industrial applicability is wide, but this system parts is more, system complex and compressor load
It is high.2, air cooling system: air cooling system has many advantages, such as that system is simple, at low cost, but this system radiating is uneven.
3, direct-cooled system: direct-cooled system has the advantages that system compact, light-weight and performance are good, but this system is a double evaporation
Device system does not condense water conservation, and refrigerant temperature is not easy to control and the refrigerant system service life is short.The heat dissipating method of these systems
Though radiating requirements can be realized to a certain extent, the efficiency realized is too low or ideal effect is not achieved.If battery modules dissipate
Thermal effect is bad, and the temperature difference is big in mould group and temperature increases, and battery core internal resistance, voltage capacity can be caused inconsistent, damages power battery mould
The service life cycle of group.
Application No. is 201720060406.8 patent documents to disclose a kind of power supply device and power supply system, power supply device
Including liquid cooling plate, heat sink and battery modules, liquid cooling plate includes the channel flowed through for liquid, channel through liquid cooling plate it is opposite the
One side and second side, heat sink spaced set is on the third side of liquid cooling plate；Battery modules include multiple battery lists
Body, each battery cell are arranged between the heat sink of spaced set, and battery cell is carried out quick by heat sink and liquid cooling plate
Heat dissipation.Battery core in the program in battery modules is square electric cell, heat sink be only simply located at adjacent two battery cell it
Between, and cavity is equipped in liquid cooling plate, the fluid passage passed through for fluid is located in cavity, and liquid will be taken away again after cavity
The heat dissipation performance of battery modules heat, heat sink and liquid cooling plate is poor.
Summary of the invention
The main purpose of the utility model is to provide a kind of heat-radiation dynamic cell mould group, it is intended to solve existing power battery
The bad problem of mould group heat dissipation effect.
To achieve the above object, the utility model proposes a kind of heat-radiation dynamic cell mould groups, comprising:
Module group is stacked gradually by multiple monomer modules and is constituted, and the monomer module includes bracket, leading in bracket
Backing, in bracket thermally conductive sheet two sides battery core, the thermally conductive sheet is stretched out from at least side of bracket, and along the thickness of bracket
Direction has been bent to form bending part, and at least side of the bracket includes the bottom side of bracket；
Silicagel pad, the upper surface of the silicagel pad are bonded with the bottom of the module group；
Liquid cooling plate, set on the lower section of the silicagel pad, the liquid cooling plate is bonded with the lower surface of the silicagel pad.
Preferably, the bracket is rectangular frame, and four sides of the bracket are provided with thermally conductive sheet across mouth, the thermally conductive sheet from
Four thermally conductive sheets pass through mouth and are pierced by and bend, and four bending parts are fitted in the bracket periphery.
Preferably, the upside of the thermally conductive sheet, radiation paint is coated on the bending part of left and right side.
Preferably, the one side away from the thermally conductive sheet of the battery core is equipped with heat-conducting glue.
Preferably, the liquid cooling plate includes the cover board and bottom plate being connected together against, and is set between the cover board and bottom plate
There is runner, the cover board is equipped with the inlet tube and outlet tube for being connected to the runner.
Preferably, it is recessed inwardly to form the runner on the bottom plate, the cover board is tabular, and the bottom plate removes stream
Part other than road is fitted and connected with the cover board.
Preferably, the liquid cooling plate includes the shape main part identical with the silicagel pad, is set to main part both ends
End sections, the inlet tube and outlet tube are respectively arranged on two end sections.
Preferably, the heat-radiation dynamic cell mould group further includes end plate, and the end plate is set on the module group along described
The both ends of monomer module stacking direction.
Compared with prior art, technical solutions of the utility model the utility model has the advantages that
One, at it, at least side has been bent to form bending part to the utility model thermally conductive sheet, and bending part stretches out bracket and coats
In bracket periphery, the bottom of bracket connects liquid cooling plate by silicagel pad, as a result, the bending part and silicagel pad of the bottom of monomer module
Contact, silicagel pad are close to liquid cooling plate, and the heat that battery core generates quickly can pass to silicagel pad and liquid cooling plate by bending part
It radiates, the heat of battery core is made to distribute much sooner, guarantee that module group will not overheat in the long-term use, heat dissipation effect
Fruit is improved.
Two, the utility model is coated with radiation paint on bending part, can further improve the heat dissipation effect of thermally conductive sheet.
Three, the utility model liquid cooling plate is made of cover board and bottom plate, constitutes the space between the cover board of liquid cooling plate and bottom plate
The runner is formd, the heat passed on cover board from thermally conductive sheet in this way can be taken away by the coolant liquid in runner immediately, heat dissipation
Effect is significantly improved.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram for the heat-radiation dynamic cell mould group that an embodiment of the present invention proposes；
Fig. 2 is the explosive view of Fig. 1；
Fig. 3 is the structure chart of liquid cooling plate in the heat-radiation dynamic cell mould group of Fig. 1 proposition；
Fig. 4 is the flow passage structure schematic diagram of liquid cooling plate in the heat-radiation dynamic cell mould group of Fig. 1 proposition；
Fig. 5 is the sectional view of Fig. 3；
Fig. 6 is the structural schematic diagram of monomer module in the heat-radiation dynamic cell mould group of Fig. 1 proposition；
Fig. 7 is the structure chart of thermally conductive sheet in monomer module in the heat-radiation dynamic cell mould group of Fig. 1 proposition；
Fig. 8 is the explosive view of Fig. 6；
Fig. 9 is the structure chart of bracket in monomer module in the heat-radiation dynamic cell mould group of Fig. 1 proposition.
The drawing reference numeral of the utility model illustrates:
| Label | Title | Label | Title |
| 1 | Monomer module | 15 | End plate |
| 11 | Bracket | 2 | Silicagel pad |
| 111 | Thermally conductive sheet passes through mouth | 3 | Liquid cooling plate |
| 12 | Thermally conductive sheet | 31 | Cover board |
| 121 | Bending part | 32 | Bottom plate |
| 122 | Radiation paint | 33 | Runner |
| 13 | Liquid cooling plate | 34 | Inlet tube |
| 14 | Heat-conducting glue | 35 | Outlet tube |
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and cannot manage
Solution is its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include at least one of the features.It is " more in the description of the present invention,
It is a " it is meant that at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. should do broad sense reason
Solution, for example, " fixation " may be a fixed connection, may be a detachable connection, or integral；It can be mechanical connection, it can also
To be electrical connection；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary
Or the interaction relationship of two elements, unless otherwise restricted clearly.It for the ordinary skill in the art, can be with
The concrete meaning of above-mentioned term in the present invention is understood as the case may be.
It in addition, the technical solution between each embodiment of the utility model can be combined with each other, but must be with ability
Based on domain those of ordinary skill can be realized, it will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of this technical solution is not present, also not within the protection scope of the requires of the utility model.
The utility model proposes a kind of heat-radiation dynamic cell mould groups.
Please refer to Fig. 1 to Fig. 8, heat-radiation dynamic cell mould group, comprising:
Module group is stacked gradually by multiple monomer modules 1 and is constituted, and the monomer module 1 includes bracket 11, is set in bracket
Thermally conductive sheet 12, in bracket 11 thermally conductive sheet two sides battery core 13, the thermally conductive sheet 12 from at least side of bracket 11 stretch out,
And it has been bent to form bending part 121 along the thickness direction of bracket 11, at least side of the bracket 11 includes the bottom side of bracket 11；
Silicagel pad 2, the upper surface of the silicagel pad 2 are bonded with the bottom of the module group；
Liquid cooling plate 3, set on the lower section of the silicagel pad 2, the liquid cooling plate 3 is bonded with the lower surface of the silicagel pad 2.
Multiple monomer modules 1 are arranged successively in the module group, the inside of bracket 11 in each monomer module 1, in bracket
Middle part on 11 thickness directions is equipped with thermally conductive sheet 12, and thermally conductive sheet 12 is usually thermally conductive aluminium flake, and bracket 11 is made of insulating material, leads
The inner space that bracket 11 is surrounded is divided into former and later two battery core mounting grooves by backing 12, and two battery cores 13 are separately mounted to two electricity
In core mounting groove.
In conventional embodiment, thermally conductive sheet 12 is only simply to be inlaid in mid-stent, and in the present embodiment,
At it, at least side has been bent to form bending part 121 to thermally conductive sheet 12, and bending part 121 stretches out bracket and is coated on 11 periphery of bracket,
The bottom of bracket 11 connects liquid cooling plate 3 by silicagel pad 2, and the bending part 121 of the bottom of monomer module 1 connects with silicagel pad 2 as a result,
Touching, silicagel pad 2 be close to liquid cooling plate 3, battery core 13 generate heat can quickly by bending part 121 pass to silicagel pad 2 and
Liquid cooling plate 3 radiates, and the heat of battery core 13 is made to distribute much sooner, guarantees that module group in the long-term use will not mistake
Heat, heat dissipation effect improve.In addition, silicagel pad 2 is soft, additionally it is possible to absorb the rigging error or system of liquid cooling plate 3 Yu thermally conductive sheet 12
Error is made, keeps its fitting closer, to reduce accuracy of manufacture requirement, reduces assembly cost.
Further, the bracket 11 is rectangular frame, and four sides of the bracket 11 are provided with thermally conductive sheet across mouth 111, institute
It states thermally conductive sheet 12 and is pierced by and bends across mouth 111 from four thermally conductive sheets, four bending parts 121 are fitted in the bracket
11 peripheries.
The thermally conductive sheet pass through mouth 111 be straight line gap-like, thermally conductive sheet pass through mouth 111 be opened in bracket 11 along its thickness side
To centre, thereby guarantee that space in bracket 11 is divided into two battery core mounting grooves of same size by thermally conductive sheet 12.Thermally conductive sheet 12
It not only has been bent to form bending part 121 in its bottom, also has been provided with bending part 121, such battery core 13 with the left and right sides on it
The heat distributed can be dissipated by thermally conductive sheet surrounding, have better heat dissipation effect.
Further, the upside of the thermally conductive sheet 12, radiation paint 122 is coated on the bending part 121 of left and right side.
Radiation paint 122 is a kind of heat sink material, such as heat dissipation ink PITT IC-200 (PITT, Phase-change
Integration Thermal-management Technology, composite phase-change heat treatment technics), it is a kind of heat treatment painting
Material is specifically applied to metal object surface heat dissipation, is painted on the bending part for wanting radiating and cooling, thermally conductive sheet can be effectively reduced
Surface and internal accumulated heat, achieve the purpose that high efficient radiation cooling and insulating.It, can be further after being coated with radiation paint on bending part
Improve the heat dissipation effect of thermally conductive sheet.
Further, the one side away from the thermally conductive sheet of the battery core 13 is equipped with heat-conducting glue 14.
Heat-conducting glue 14 has excellent heating conduction can in the gap that it is filled between adjacent two battery core 13
The heat-conducting area for increasing battery core 13, improves the heat dissipation effect of battery core.
Further, the liquid cooling plate 3 includes the cover board 31 and bottom plate 32 being connected together against, the cover board 31 and bottom
Runner 33 is equipped between plate 32, the cover board 31 is equipped with the inlet tube 34 and outlet tube 35 for being connected to the runner 33.
In order to maintain module group in the working environment of constant temperature, the heat that is transferred out thermally conductive sheet by liquid cooling plate 3 and
When take away, liquid cooling plate 3 work when, coolant liquid from inlet tube 34 enter runner 33 in, take away the heat that thermally conductive sheet gives out, especially
It is the bending part bring heat of thermally conductive sheet bottom, then is flowed out from outlet tube 35.
Further, it is recessed inwardly to form the runner 33 on the bottom plate 32, the cover board 31 is tabular, the bottom
The part in addition to runner 33 of plate 32 is fitted and connected with the cover board 31.
In conventional embodiment, liquid cooling plate is usually utilized in the side of additionally mounted fluid line in liquid cooling plate main body
Formula, structure is complicated, and there are spaces between fluid and liquid cooling plate outside, and heat dissipation is not in time.And in the present embodiment, constitute liquid
Space between the cover board 31 and bottom plate 32 of cold plate forms the runner 33, passes on cover board 31 from thermally conductive sheet 12 in this way
Heat can be taken away by the coolant liquid in runner 33 immediately, and heat dissipation effect is significantly improved.
Further, the liquid cooling plate 3 includes the shape main part identical with the silicagel pad, is set to main part two
The end sections at end, the inlet tube 34 and outlet tube 35 are respectively arranged on two end sections.
Specifically in the present embodiment, cover board 31 and bottom plate 32 use cold welding to be connected as close one, the beginning of runner 33
End is since inlet tube 34, in the centre of cover board 31 and bottom plate 32 with two symmetrical S type arrangements, then at close to outlet tube 35
Converge side.It will of course be understood that, in some other embodiment, the shape of runner is also possible to any other shape,
As long as can be evenly arranged between cover board and bottom plate, effectively heat dissipation comprehensively is realized to module group bottom, is not limited thereto.
Further, the heat-radiation dynamic cell mould group further includes end plate 15, and the end plate 15 is set to the module group
Along the both ends of 1 stacking direction of monomer module.
When installation, thermally conductive sheet 12 is among bracket 11, the bracket 11 of four ends stretching up and down, and each bending part 121
Inner surface is bonded with the outer surface of bracket 11, is painted radiation respectively in the outer surface of the bending part 121 of upside and the left and right sides and is applied
Material 122.By battery core 13 in bracket 11, heat-conducting glue 14 is coated on one side, and another side abuts thermally conductive sheet 12, and what is be closely packed together leads
Hot glue 14, battery core 13, bracket 11, thermally conductive sheet 12 and radiation paint 122 form a monomer module 1.Again with the end of left and right two
Plate 15 is fixed several monomer modules 1, is placed on above silicagel pad 2.Inlet tube 34, cover board 31, outlet tube 35, bottom plate 32 are welded on
Together, a liquid cooling plate 3 is formed, the outer surface of the bending part 121 of 12 downside of thermally conductive sheet is bonded with the upper surface of silicagel pad 2, silicon
The lower surface of rubber mat 2 is bonded with the upper surface of liquid cooling plate 3, forms a heat-radiation dynamic cell mould group.
When power battery module work, the heat of battery core 13 is transmitted to outside bracket 11 by the thermally conductive sheet 12 of contact to be bent
Bending part 121.Since the outer surface of three bending parts 121 in upside and left and right sides is brushed with radiation paint 122, so a part heat
Amount can be transmitted in the air of surrounding by heat radiation mode.Meanwhile having the coolant liquid of flowing in liquid cooling plate 3, a part of heat
It is transmitted on liquid cooling plate 3 after the outer surface of the bending part 121 of 12 downside of thermally conductive sheet, silicagel pad 2 by the mode of heat transfer, from
And coolant liquid takes away heat, reaches and efficiently meets power battery module heat dissipation effect, meets power battery module heat dissipation regulation
Technical indicator.
Through testing, the power battery module of the utility model is by 2,29 liquid cooling plate 3 with runner, silicagel pad monomer modules
1,2 end plates 15 form, can be efficiently by the maximum temperature control of battery core at≤45 DEG C, and the temperature difference is controlled at≤5 DEG C.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
Under all utility models in the utility model are conceived, equivalent structure made based on the specification and figures of the utility model
Transformation, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (8)
1. a kind of heat-radiation dynamic cell mould group characterized by comprising
Module group is stacked gradually by multiple monomer modules and is constituted, and the monomer module includes bracket, thermally conductive in bracket
Piece, in bracket thermally conductive sheet two sides battery core, the thermally conductive sheet is stretched out from at least side of bracket, and along the thickness side of bracket
To bending part has been bent to form, at least side of the bracket includes the bottom side of bracket；
Silicagel pad, the upper surface of the silicagel pad are bonded with the bottom of the module group；
Liquid cooling plate, set on the lower section of the silicagel pad, the liquid cooling plate is bonded with the lower surface of the silicagel pad.
2. heat-radiation dynamic cell mould group as described in claim 1, which is characterized in that the bracket is rectangular frame, the branch
Four sides of frame are provided with thermally conductive sheet across mouth, and the thermally conductive sheet is pierced by and bends across mouth from four thermally conductive sheets, described in four
Bending part is fitted in the bracket periphery.
3. heat-radiation dynamic cell mould group as claimed in claim 1 or 2, which is characterized in that the upside of the thermally conductive sheet, left side and
Radiation paint is coated on the bending part on right side.
4. heat-radiation dynamic cell mould group as described in claim 1, which is characterized in that the battery core away from the thermally conductive sheet
It is equipped with heat-conducting glue on one side.
5. heat-radiation dynamic cell mould group as described in claim 1, which is characterized in that the liquid cooling plate includes being connected to one relatively
The cover board and bottom plate risen, is equipped with runner between the cover board and bottom plate, the cover board is equipped with the inlet tube for being connected to the runner
And outlet tube.
6. heat-radiation dynamic cell mould group as claimed in claim 5, which is characterized in that being recessed inwardly on the bottom plate, it is described to be formed
Runner, the cover board are tabular, and the part in addition to runner of the bottom plate is fitted and connected with the cover board.
7. heat-radiation dynamic cell mould group as claimed in claim 6, which is characterized in that the liquid cooling plate includes shape and the silicon
The identical main part of rubber mat, the end sections set on main part both ends, the inlet tube and outlet tube are respectively arranged on two institutes
State end sections.
8. heat-radiation dynamic cell mould group as described in claim 1, which is characterized in that further include end plate, the end plate is set to institute
State the both ends along the monomer module stacking direction of module group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822092207.2U CN209119275U (en) | 2018-12-13 | 2018-12-13 | Heat-radiation dynamic cell mould group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822092207.2U CN209119275U (en) | 2018-12-13 | 2018-12-13 | Heat-radiation dynamic cell mould group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209119275U true CN209119275U (en) | 2019-07-16 |
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ID=67208078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822092207.2U Active CN209119275U (en) | 2018-12-13 | 2018-12-13 | Heat-radiation dynamic cell mould group |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111082183A (en) * | 2019-11-18 | 2020-04-28 | 欣旺达电子股份有限公司 | Battery module |
| CN111641005A (en) * | 2020-07-21 | 2020-09-08 | 苏州臻迪智能科技有限公司 | Battery pack module |
| CN112397806A (en) * | 2019-08-19 | 2021-02-23 | 格朗吉斯铝业（上海）有限公司 | Battery cold plate integrating heating function, power battery system and new energy vehicle |
| CN112770612A (en) * | 2021-01-25 | 2021-05-07 | 深圳市飞荣达科技股份有限公司 | Edge-folded heat dissipation plate and machining method thereof |
| CN114026732A (en) * | 2020-04-22 | 2022-02-08 | 株式会社Lg新能源 | Battery module and battery pack including the same |
| CN114424385A (en) * | 2020-04-09 | 2022-04-29 | 株式会社Lg新能源 | Battery module and battery pack including the same |
-
2018
- 2018-12-13 CN CN201822092207.2U patent/CN209119275U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112397806A (en) * | 2019-08-19 | 2021-02-23 | 格朗吉斯铝业（上海）有限公司 | Battery cold plate integrating heating function, power battery system and new energy vehicle |
| CN111082183A (en) * | 2019-11-18 | 2020-04-28 | 欣旺达电子股份有限公司 | Battery module |
| CN114424385A (en) * | 2020-04-09 | 2022-04-29 | 株式会社Lg新能源 | Battery module and battery pack including the same |
| CN114026732A (en) * | 2020-04-22 | 2022-02-08 | 株式会社Lg新能源 | Battery module and battery pack including the same |
| CN111641005A (en) * | 2020-07-21 | 2020-09-08 | 苏州臻迪智能科技有限公司 | Battery pack module |
| CN111641005B (en) * | 2020-07-21 | 2021-06-15 | 苏州臻迪智能科技有限公司 | Battery pack module |
| CN112770612A (en) * | 2021-01-25 | 2021-05-07 | 深圳市飞荣达科技股份有限公司 | Edge-folded heat dissipation plate and machining method thereof |
| CN112770612B (en) * | 2021-01-25 | 2022-09-16 | 深圳市飞荣达科技股份有限公司 | Edge-folded heat dissipation plate and machining method thereof |
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