CN209029505U - A kind of heat-conducting plate and battery core conductive structure - Google Patents
A kind of heat-conducting plate and battery core conductive structure Download PDFInfo
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- CN209029505U CN209029505U CN201821626241.7U CN201821626241U CN209029505U CN 209029505 U CN209029505 U CN 209029505U CN 201821626241 U CN201821626241 U CN 201821626241U CN 209029505 U CN209029505 U CN 209029505U
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000003447 ipsilateral effect Effects 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 description 13
- 230000005611 electricity Effects 0.000 description 9
- 238000001816 cooling Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000011900 installation process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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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 provides a kind of heat-conducting plate and battery core conductive structure, wherein the heat-conducting plate includes: thermally conductive panel, the first clamping part and the second clamping part, and the first clamping part is connected to thermally conductive panel upper end, is used to mutually be clamped with battery frame；Second clamping part is connected to thermally conductive panel lower end, with the setting of the first clamping part ipsilateral, be used to mutually be clamped with battery core, so that battery core is mutually compressed with thermally conductive panel.In the utility model, by the way that the first clamping part and the second clamping part is respectively set in the upper and lower end of thermally conductive panel, the fixation of battery frame and heat-conducting plate upper end is realized by the first clamping part, realize that battery core edge is mutually compressed with thermally conductive panel lower end by the second clamping part, limit the displacement of battery core, heat-conducting plate is more fully contacted with battery core, significantly reduce the thermal resistance between heat-conducting plate and battery core, increase the capacity of heat transmission of heat-conducting plate, and then battery core can be made to work within the scope of suitable temperature, and can guarantee the uniformity of battery core Temperature Distribution.
Description
Technical Field
The utility model relates to an electric automobile technical field particularly, relates to a heat-conducting plate and electric core heat conduction structure.
Background
Along with the development of electric automobile technology, battery thermal management system also receives more and more attention from everyone, and thermal management system's purpose makes the battery work under suitable temperature, keeps the homogeneity of electric core temperature simultaneously, and the most commonly used thermal management mode is liquid cooling now, and liquid passes through water cooling board, and rethread heat-conducting plate passes heat or cold volume to electric core, therefore the size of the thermal contact resistance between heat-conducting plate and the electric core has directly decided battery thermal management system's efficiency and reliability can influence the life of battery even. In the prior art, as no part for fixing or connecting is arranged between the heat conducting plate and the battery core, the pressing force between the heat conducting plate and the battery core is insufficient, so that the heat conducting plate and the battery core are in poor contact, the thermal resistance is too large, the heat of the battery core is not transferred, and the phenomenon of too high or too low temperature occurs; if N electric cores are arranged together, the contact degree of the heat-conducting plate and each electric core can not be ensured to be consistent, and the uniformity of the temperature of each electric core can not be ensured.
Disclosure of Invention
In view of this, the utility model provides a heat-conducting plate and electric core heat conduction structure aims at solving because the too big problem of thermal resistance that contact failure leads to between current heat-conducting plate and the electric core.
In one aspect, the present invention provides a heat-conducting plate, comprising: a heat conductive panel; the first clamping part is connected to the upper end of the heat conducting panel and is used for being clamped with the battery frame; and the second clamping part is connected to the lower end of the heat-conducting panel and arranged at the same side as the first clamping part and is used for being clamped with the battery cell so as to tightly press the battery cell and the heat-conducting panel.
Further, in the above heat conductive plate, the second engaging portion includes: the device comprises a flanging structure and horizontal connecting plates connected to two sides of the flanging structure; the flanging structure is bent towards the inner side of the heat-conducting panel and used for fixing the battery cell; the horizontal connecting plate is coplanar with the heat-conducting panel and used for fixing the heat-conducting panel and the battery frame.
Furthermore, in the above heat-conducting plate, the free end of the flanging structure is provided with a blocking plate for limiting the displacement of the battery core along the thickness direction.
Furthermore, in the above heat-conducting plate, a chamfer matched with the edge of the battery cell is arranged between the baffle and the flanging structure.
Furthermore, in the heat conducting plate, one side of one of the horizontal connecting plates, which is far away from the flanging structure, is provided with a second clamping interface matched with the battery frame.
Further, in the above heat conducting plate, the first fastening portion is a fastening baffle bent toward the inner side of the heat conducting panel, and a fastening groove matched with the fastening hook of the battery frame is formed in the fastening baffle.
Further, in the heat conducting plate, the clamping groove is trapezoidal.
Furthermore, in the heat conducting plate, first clamping interfaces are respectively formed at the upper end edge of the heat conducting panel close to the two ends of the first clamping portion.
Further, in the heat conducting plate, the two first clamping interfaces are symmetrically distributed at two ends of the first clamping portion.
The utility model provides a heat-conducting plate, through on the heat conduction panel, the lower extreme sets up first card respectively and establishes the portion and the second card portion of establishing, establish the portion through first card and realize the battery frame fixed with the heat-conducting plate upper end, establish the portion through the second card and realize that electric core edge and heat conduction panel lower extreme compress tightly, the displacement of electric core has been restricted, make heat-conducting plate and more abundant contact of electric core ability, the thermal resistance between heat-conducting plate and electric core has obviously been reduced, the heat conductivity of heat-conducting plate has been increased, and then enable electric core work at suitable temperature range, and can guarantee electric core temperature distribution's homogeneity.
On the other hand, the utility model provides an electric core heat conduction structure, which comprises an electric core, a battery frame and the heat conduction plate; the heat conducting plate is clamped on one surface of the battery frame through the first clamping portion, the battery core is embedded on the other surface of the battery frame, and the battery core is tightly pressed with the heat conducting plate through the second clamping portion.
The utility model provides an electricity core heat conduction structure establishes the one side that the portion fixes the heat-conducting plate at the battery frame through first card, places electric core behind the another side of battery frame, establishes the edge card of portion with electric core and locates the second card through the second card and establishes the portion, has realized the rigidity between battery frame and heat-conducting plate, heat-conducting plate and electric core and the battery frame. The operability of installing and disassembling the battery box is increased while the heat conducting plate is ensured to be in full contact with the battery core and the heat conducting rate of the heat conducting plate is improved, and the phenomenon of 'scattering' in the installation process caused by unfixed battery position is avoided.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural diagram of a heat conducting plate according to an embodiment of the present invention;
fig. 2 is a side view of a heat-conducting plate according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
fig. 4 is an assembly schematic diagram of a heat conducting plate and a battery cell provided in an embodiment of the present invention;
FIG. 5 is a partial enlarged view of the portion B in FIG. 4;
fig. 6 is a schematic structural diagram of a battery frame according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1, 4, 5 and 6, the heat-conducting plate according to the embodiment of the present invention includes: the heat conducting panel comprises a heat conducting panel 1, a first clamping part 2 and a second clamping part 3; the first clamping part 2 is connected to the upper end of the heat conducting panel 1 and is used for being clamped with the battery frame 5; the second clamping part 2 is connected to the lower end of the heat-conducting panel 1 and arranged at the same side as the first clamping part 2, and is used for being clamped with the battery cell 4, so that the battery cell 4 is tightly pressed with the heat-conducting panel 1.
Specifically, the heat conducting panel 1 may have a rectangular plate-like structure, and may be made of a metal material having good heat conductivity, such as aluminum. The first clamping portion 2 and the second clamping portion 3 are respectively arranged at the upper end and the lower end of the heat conducting panel 1, the first clamping portion 2 and the second clamping portion 3 are arranged at the same side of the heat conducting panel 1, and the first clamping portion 2, the second clamping portion 3 and the heat conducting panel 1 can be integrally formed.
The first engaging portion 2 may be in a plate-like or column-like structure, and may be engaged with the battery frame. Preferably, the first fastening portion 2 is a fastening baffle bent toward the inner side of the heat conducting panel 1, and a fastening groove matched with the fastening hook of the battery frame is formed in the fastening baffle. The first clamping part 2 can fix the position between the battery frame 5 and the heat conducting panel 1.
More specifically, the blocking plate may be vertically connected to the heat conducting panel 1 on the inner side, and the height of the blocking plate extending to the inner side may be determined according to the actual situation, where the inner side is relative to the direction in which the heat conducting panel 1 is fastened to the battery frame 5. The blocking plate can be made of the same heat conducting material as the heat conducting panel. The positions of the blocking plate corresponding to the two hooks 51 at the upper end of the battery frame 5 are respectively provided with a blocking groove 21 to respectively block the two hooks 51 therein, that is, the upper end of the heat-conducting panel 1 is bent to be provided with a blocking plate, and the blocking plate blocks the hooks 51 on the battery frame 5 in the blocking grooves 21 while buckling the frame at the upper end of the battery frame 5, so that the relative fixation of the upper end of the heat-conducting panel 1 and the upper end of the battery frame 5 is ensured. The shape, opening depth, and the like of the engaging groove 21 can be determined according to the shape and size of the engaging hook 51 on the battery frame 5, and preferably, the engaging groove is trapezoidal, so that the battery frame is convenient to process and is suitable for different types of battery frames.
In order to fix the heat conducting plate and the battery frame 5 better, first clamping interfaces 22 are respectively arranged at the upper end edge of the heat conducting panel 1 near the two ends of the first clamping part 2. The first engaging opening 22 may be an "L" shaped notch, which can engage with a corresponding component on the battery frame. Preferably, the two first card interfaces 22 are symmetrically distributed at two ends of the first clamping portion 2, which is beneficial to maintaining the connection stability of the whole structure.
The second catching portion 3 may include: the device comprises a flanging structure 31 and horizontal connecting plates 32 connected to two sides of the flanging structure 31; the flanging structure 31 is bent towards the inner side of the heat conducting panel 1 and is used for fixing the battery core 4; the horizontal connecting plate 32 is coplanar with the heat conducting panel 1, and is used for fixing the heat conducting panel 1 and the battery frame 5.
Specifically, the flange structure 31 may be vertically connected to the heat conducting panel 1 inward, and a height of the flange structure 31 extending inward of the heat conducting panel 1 may be determined according to a thickness of the battery cell 4. The flange structure 31 may be made of the same heat conductive material as the heat conductive panel 1. The horizontal connecting plates 32 on both sides of the flanging structure 31 may be coplanar with the heat-conducting panel 1, that is, the horizontal connecting plates 32 on both sides are perpendicular to the plane of the flanging structure 31. The horizontal connection plate 32 may be a portion of the heat conductive panel 1 protruding outward along a plane thereof. One side of one of the horizontal connecting plates 32, which is far away from the flanging structure 31, is provided with a second clamping interface 33 which is matched with the battery frame 5. The second engaging interface 33 can be an "L" shaped notch, which can engage with the corresponding component on the battery frame 5. In actual installation, the horizontal connecting plate 32 may be closely attached to the battery frame 5 to fix the position between the battery frame 5 and the heat conductive panel 1. The flanging structure 31 may fix the edge of the battery cell 5 at the lower end of the heat conducting panel.
Referring to fig. 2 and 3, preferably, the free end of the flanging structure 31 is provided with a blocking plate 311, and the blocking plate 311 is used for limiting the displacement of the battery cell 4 along the thickness direction. The free end of the flange structure 31 is the end of the flange structure that is not connected to the heat conducting panel, i.e. the tail end. That is to say, the tail end of flanging structure 31 is provided with the overhead kick, and this overhead kick can restrict the displacement of electric core along thickness direction, can chucking electric core 4 to can guarantee that the area of contact between electric core 4 and the heat conduction panel 1 can reach the biggest, help reducing the thermal resistance between heat-conducting plate and electric core 4, increase the heat conductivility of heat-conducting plate, make electric core 4 work in suitable temperature range, and can guarantee the homogeneity of electric core 4 temperature distribution.
More preferably, a chamfer matched with the edge of the battery cell 4 is arranged between the blocking plate 311 and the flanging structure 31. That is to say, the radian of the chamfer is consistent with the edge of the battery, so that the edge of the battery cell 4 is just tightly attached to the joint of the baffle plate 311 and the flanging structure 31, and the battery cell 4 is better fixed on the second clamping part 3. It can be seen that the second engaging portion 3 can fix the position between the battery cell 4 and the heat conducting panel 1, and correspondingly, the position between the battery cell 4 and the battery frame 5 is also fixed. Meanwhile, the battery cell 4 cannot move along the thickness direction, so that the operability of installing and disassembling the battery box is improved, and the phenomenon of 'rack scattering' caused by unfixed battery cell position is avoided.
Referring to fig. 1, fig. 4 and fig. 6, the actual installation process of the heat conducting plate in this embodiment is as follows: firstly, the heat-conducting panel 1 is clamped with the clamping hook 51 on the battery frame 5 through the clamping groove 21 on the first clamping part 2, so that the heat-conducting panel 1 is fixed on one surface of the battery frame 5; then, placing the battery cell 4 on the other surface of the battery frame 5 according to a preset requirement; then, the position of the battery cell 4 is adjusted, so that a part of the edge of the battery cell 4 is clamped in the structure formed by the flanging structure 31 and the blocking plate 311, and the battery cell is completely fixed by the heat conducting plate and the battery frame 5 along the thickness direction. The good contact of electric core 4 and heat-conducting plate has been realized through the chucking of pressing force and the second card portion of establishing 3 to electric core 4 between 5 two faces of battery frame promptly to transmit electric core 4's energy to the liquid cooling board with higher speed through the heat-conducting plate, thereby realize the regulation to electric core 4 temperature, guaranteed that it can work in suitable temperature range.
The aforesaid obviously can reach, the heat-conducting plate that provides in this embodiment, through on the heat conduction panel, the lower extreme sets up first card respectively and establishes portion and second card and establishes the portion, establish the portion through first card and realize that the battery frame is fixed with the heat-conducting plate upper end, establish the portion through the second card and realize that electricity core edge and heat conduction panel lower extreme compress tightly, the displacement of electricity core has been restricted, make heat-conducting plate and more abundant contact of electricity core ability, the thermal resistance between heat-conducting plate and electricity core has obviously been reduced, the heat conductivity of heat-conducting plate has been increased, and then enable electricity core work at suitable temperature range, and can guarantee the homogeneity of electricity core temperature distribution.
The utility model also provides an electricity core heat conduction structure, include: the battery core 4, the battery frame 5 and the heat conducting plate; the heat conducting plate is clamped on one surface of the battery frame 5 through the first clamping portion 2, the battery core 4 is embedded on the other surface of the battery frame 5, and the heat conducting plate is tightly pressed with the heat conducting plate through the second clamping portion 3.
Specifically, the battery cell 4 and the battery frame 5 may be any one of the structures in the related art. The specific structure of the heat conducting plate is described in the above embodiments, and is not described herein again. During actual work, the heat conducting plate is connected with the liquid cooling plate, so that the energy of the battery cell 4 can be transferred to the liquid cooling plate, and the purpose of heating or cooling the battery cell 4 is achieved.
It can be seen that the heat-conducting plate is fixed on one surface of the battery frame through the first clamping part, the battery cell is placed on the other surface of the battery frame, and the edge of the battery cell is clamped in the second clamping part through the second clamping part, so that the battery frame is fixed to the heat-conducting plate, the heat-conducting plate is fixed to the battery cell and the battery cell is fixed to the battery frame. The operability of installing and disassembling the battery box is increased while the heat conducting plate is ensured to be in full contact with the battery core and the heat conducting rate of the heat conducting plate is improved, and the phenomenon of 'loose rack' in the installation process caused by unfixed position of the battery core is avoided.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A heat-conducting plate, comprising:
a heat conductive panel (1);
the first clamping part (2) is connected to the upper end of the heat-conducting panel (1) and is used for being clamped with the battery frame (5);
connect in heat conduction panel (1) lower extreme, with first card portion of establishing (2) sets up second card portion of establishing (3) at the homonymy, and it is used for with electric core (4) looks joint, so that electric core (4) with heat conduction panel (1) compresses tightly mutually.
2. The heat-conducting plate according to claim 1, characterized in that said second snapping portion (3) comprises: the device comprises a flanging structure (31) and horizontal connecting plates (32) connected to two sides of the flanging structure (31); wherein,
the flanging structure (31) is bent towards the inner side of the heat-conducting panel (1) and is used for fixing the battery core (4);
the horizontal connecting plate (32) is coplanar with the heat-conducting panel (1) and is used for fixing the heat-conducting panel (1) and the battery frame (5).
3. The heat-conducting plate according to claim 2, characterized in that the free end of the flanging structure (31) is provided with a stop plate (311) for limiting the displacement of the cell in the thickness direction.
4. The heat-conducting plate according to claim 3, characterized in that a chamfer matching with the edge of the electrical core (4) is provided between the baffle (311) and the flanging structure (31).
5. The heat-conducting plate according to claim 2, characterized in that one of the sides of the horizontal webs (32) remote from the flanging structure (31) is provided with a second snap-in interface (33) cooperating with the battery frame (5).
6. The heat-conducting plate according to any of claims 1 to 5, characterized in that the first snapping portion (2) is a snap flap bent towards the inside of the heat-conducting panel (1), on which snap grooves (21) are provided that cooperate with snap hooks (51) of the battery frame (5).
7. A plate according to claim 6, characterised in that the slots (21) are trapezoidal.
8. The heat-conducting plate according to claim 6, characterized in that the upper edge of the heat-conducting panel (1) is provided with first snap-in interfaces (22) respectively near the two ends of the first snap-in portion (2).
9. The plate according to claim 8, characterised in that the two first snap interfaces (22) are symmetrically distributed at the two ends of the first snap portion (2).
10. An electrical core heat conducting structure, comprising: -a battery cell (4), a battery frame (5) and a heat-conducting plate according to any of claims 1 to 9; wherein,
the heat-conducting plate is clamped on one surface of the battery frame (5) through the first clamping part (2), the battery core (4) is embedded on the other surface of the battery frame (5), and the heat-conducting plate is tightly pressed through the second clamping part (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821626241.7U CN209029505U (en) | 2018-10-08 | 2018-10-08 | A kind of heat-conducting plate and battery core conductive structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821626241.7U CN209029505U (en) | 2018-10-08 | 2018-10-08 | A kind of heat-conducting plate and battery core conductive structure |
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| Publication Number | Publication Date |
|---|---|
| CN209029505U true CN209029505U (en) | 2019-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821626241.7U Active CN209029505U (en) | 2018-10-08 | 2018-10-08 | A kind of heat-conducting plate and battery core conductive structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113851755A (en) * | 2021-09-18 | 2021-12-28 | 东软睿驰汽车技术（沈阳）有限公司 | Method and device for determining coefficient of heat conducting pad of battery pack and electronic equipment |
-
2018
- 2018-10-08 CN CN201821626241.7U patent/CN209029505U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113851755A (en) * | 2021-09-18 | 2021-12-28 | 东软睿驰汽车技术（沈阳）有限公司 | Method and device for determining coefficient of heat conducting pad of battery pack and electronic equipment |
| CN113851755B (en) * | 2021-09-18 | 2023-09-22 | 东软睿驰汽车技术（沈阳）有限公司 | Battery pack heat conduction pad coefficient determination method and device and electronic equipment |
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