CN210926231U - A heat radiation structure and car for battery package - Google Patents
A heat radiation structure and car for battery package Download PDFInfo
- Publication number
- CN210926231U CN210926231U CN201922327668.8U CN201922327668U CN210926231U CN 210926231 U CN210926231 U CN 210926231U CN 201922327668 U CN201922327668 U CN 201922327668U CN 210926231 U CN210926231 U CN 210926231U
- Authority
- CN
- China
- Prior art keywords
- heat dissipation
- battery pack
- distribution box
- heat
- dissipation unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
Abstract
The utility model relates to the technical field of automobile parts, and discloses a heat dissipation structure for a battery pack and an automobile, wherein the heat dissipation structure comprises a battery pack distribution box (1) and a battery pack shell (2) for accommodating the battery pack distribution box (1); the battery pack distribution box (1) comprises a distribution box shell (11) and a heating source accommodated in the distribution box shell (11); the heating source comprises a flat cable (12) and a relay (13), and the heat dissipation structure comprises a heat dissipation unit arranged between the heating source and the battery pack shell (2). The problems of slow heat dissipation and heat accumulation of an internal heating source of the battery pack distribution box are effectively solved, so that the components in the battery pack distribution box can be quickly and effectively dissipated when working, and the conditions that the safety of a battery pack is affected by temperature accumulation and the service life of components such as a relay and a fuse is shortened due to poor heat dissipation are avoided.
Description
Technical Field
The utility model relates to an automobile parts technical field specifically relates to a heat radiation structure and car for battery package.
Background
At present, a battery pack of a new energy automobile is one of the most critical parts in the whole automobile and the parts with the highest requirement on safety. The Battery pack distribution box is a Battery Disconnect Unit, which is abbreviated as BDU. The high-voltage power distribution unit is a high-voltage power distribution unit in a new energy automobile high-voltage system solution, and is used as a core component of a battery control system, and a battery pack distribution box plays a vital role in the safety of a battery pack.
Due to the space limitation of the battery pack, the arrangement of parts in the battery pack distribution box is compact, the structure of each part is optimized in the limited space, and the performance of the battery pack is improved, so that the battery pack is safer and more reliable. The parts in the battery pack distribution box generally comprise a relay, a current sensor, a pre-charging resistor, a flat cable and the like, the parts are sequentially arranged in a plastic high-voltage box, all the parts are connected by generally using a wire harness according to a circuit schematic diagram, and a circuit with larger partial current is connected by using the flat cable. However, for the heat generated by the flat cable and the relay, the heat is generally dissipated only by natural cooling in the battery pack with the sealing and waterproof level required to meet the requirement of IP67, and the heat dissipation efficiency is low. Therefore, the service life of components such as relays and fuses can be influenced by long-time work, the safety of the battery pack can be influenced, and great potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the problem that prior art exists, providing a heat radiation structure for battery package, this heat radiation structure heat dissipation is quick, can play the effect of the life of components and parts such as extension relay, fuse, avoids rising the safety that influences the battery package because of the temperature gathering.
In order to achieve the above object, an aspect of the present invention provides a heat dissipation structure for a battery pack, the heat dissipation structure including a battery pack distribution box and a battery pack case for accommodating the battery pack distribution box; the battery pack distribution box comprises a distribution box shell and a heating source accommodated in the distribution box shell; the heating source comprises a flat cable and a relay, and the heat dissipation structure comprises a heat dissipation unit arranged between the heating source and the battery pack shell.
Further, the heat dissipation unit is disposed between the flat cable and the battery pack case and/or between the relay and the battery pack case.
Further, the heat dissipation structure includes a first structure groove formed on the distribution box housing for exposing the bus bar; the heat dissipation unit comprises a first heat dissipation unit; a portion of the ribbon cable extends from the distribution box housing through the first structural slot to outside the distribution box housing and within the battery enclosure; the first heat dissipation unit is installed between the flat cable and the battery pack case.
Furthermore, the first heat dissipation unit comprises a first heat conduction pad, and two opposite side surfaces of the first heat conduction pad are respectively attached to the flat cable and the battery pack shell.
Further, the distribution box housing includes a second structural slot formed on the distribution box housing for exposing the relay; the heat dissipation unit comprises a second heat dissipation unit which is arranged in the second structure groove (112) in a penetrating mode; the second heat dissipation units are respectively located at the inner end and the outer end of the power distribution box shell and are respectively connected with the relay and the battery pack shell.
Further, the second heat dissipation unit includes a metal heat conduction block installed in the second structural groove.
Further, the metal heat conduction block comprises a heat conduction block body and support lugs protruding outwards from the heat conduction block body; the metal heat conduction block is arranged in the second structural groove in a mode that the support lug is supported on the inner surface of the distribution box shell, and the heat conduction block body is arranged in the second structural groove in a penetrating mode.
Further, the second heat dissipation unit includes a second heat conduction pad compressed between the relay and the metal heat conduction block.
Further, the second heat dissipation unit includes a third thermal pad compressed between the battery pack case and the metal thermal conductive block.
The utility model discloses the second aspect provides an automobile, the automobile includes above heat radiation structure.
Through above-mentioned technical scheme, through set up the radiating element between the source and the battery package casing that generate heat including winding displacement and relay, it is slow to have overcome the inside source heat dissipation that generates heat of block terminal effectively, and the problem of heat gathering makes the inside spare part during operation of block terminal can effectively dispel the heat fast, has avoided the condition that the temperature gathering risees to produce the influence and dispel the heat the bad life shortening of components and parts such as relay, fuse that cause of safety of battery package to take place.
Drawings
Fig. 1 is a sectional view of a battery pack of a heat dissipation structure according to an embodiment of the present application;
fig. 2 is a schematic external view of the battery pack of fig. 1 when installed in an automobile;
fig. 3 is a schematic cross-sectional view of the second heat dissipating unit of fig. 1;
fig. 4 is a schematic cross-sectional view of the metal heat-conducting block of fig. 3.
Description of the reference numerals
1-a battery pack distribution box; 2-a battery pack housing; 11-a distribution box housing; 12-a flat cable; 13-a relay; 111-a first structural groove; 14-a first heat dissipation unit; 121-a flex first outer surface; 141-a first thermally conductive pad; 112-a second structural groove; 15-a second heat dissipation unit; 151-metal heat conducting block; 1511-heat conduction block body; 1512-support ears; 152-a second thermal pad; 153-third thermally conductive pad.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. In the present invention, it is to be understood that the terms "away", "toward", "up", "down", "front", "back", "left", "right", and the like indicate orientations or positional relationships corresponding to orientations or positional relationships actually used; "inner and outer" refer to the inner and outer relative to the profile of the components themselves; this is for convenience in describing the invention and for simplicity in description, and is not intended to indicate that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
The present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments.
An aspect of the present invention provides a heat dissipation structure for a battery pack, as shown in fig. 1: the heat dissipation structure comprises a battery pack distribution box 1 and a battery pack shell 2 for accommodating the battery pack distribution box 1; the battery pack distribution box 1 includes a distribution box housing 11 and a heat generation source accommodated in the distribution box housing 11; the heat source comprises a flat cable 12 and a relay 13, and the heat dissipation structure comprises a heat dissipation unit arranged between the heat source and the battery pack housing 2.
Through including winding displacement 12 with relay 13 generate heat the source with set up between the battery package casing 2 the radiating element, it is slow to have overcome the heat dissipation of the inside source that generates heat of battery package block terminal 1 effectively, and the problem of heat gathering makes the inside spare part during operation of block terminal can effectively dispel the heat fast, has avoided the condition that the temperature gathering risees to produce the influence and dispel the heat the life shortening of components and parts such as relay, fuse that bad cause to the safety of battery package to shorten takes place.
Wherein the heat dissipation unit is mounted at the lower part of the battery pack and located in the battery pack case 2 as shown in fig. 1. When the battery pack distribution box 1 is installed in the battery pack case 2, the heat dissipating unit is not seen from the external appearance, as shown in fig. 2.
Preferably, the heat dissipation unit is disposed between the flat cable 12 and the battery pack case 2 and/or between the relay 13 and the battery pack case 2. Therefore, the heat dissipation unit can be in direct contact with the heating source and can dissipate heat quickly.
Preferably, the heat dissipation structure includes a first structure groove 111 formed on the distribution box housing 11 for exposing the bus bar 12; the heat dissipation unit includes a first heat dissipation unit 14; a part of the flat cable 12 extends from the power distribution box housing 11 to the outside of the power distribution box housing 11 through the first structure groove 111 and is located in the battery pack housing 2; the first heat dissipation unit 14 is installed between the flat cable 12 and the battery pack case 2.
The flat cable 12 is made of a metal material with a strong heat conducting property, preferably, a copper bar with a small resistance and a good heat conducting property is used, the distribution box shell 11 is usually made of a plastic shell, the flat cable 12 can be exposed from the distribution box shell 11 by arranging the first structural groove 111 on the distribution box shell 11, necessary conditions are provided for installing the heat dissipation unit between the flat cable 12 and the battery pack shell 2, and in addition, a larger space can be provided for installing the first heat dissipation unit 14 by arranging the first structural groove 111 on the distribution box shell 11, and meanwhile, the space for accommodating the flat cable 12 is also increased; as shown in fig. 1: the flat cable 12 extends out of the distribution box shell 11 and even is close to the battery pack shell 2, so that the thickness of the first heat dissipation unit 14 can be reduced and the contact area between the first heat dissipation unit 14 and the flat cable 12 is increased by keeping the flat cable 12 close to the battery pack shell 2 while accommodating a larger flat cable 12, and heat dissipation is facilitated.
Preferably, the first heat dissipation unit 14 includes a first thermal pad 141, and two opposite side surfaces of the first thermal pad 141 are respectively attached to the flat cable 12 and the battery pack case 2.
Wherein, the first thermal pad 141 adopts the elastic material with better insulating and heat-conducting properties: for example, an insulating thermally conductive silicone pad; the heat conducting pad with the property can ensure that the heat conducting pad is tightly attached to an object needing heat conduction so as to conduct heat out. As shown in fig. 1, two opposite side surfaces of the first thermal pad 141 are respectively attached to the flat cable 12 and the battery pack case 2; therefore, the heat generated by the flat cable 12 can be quickly and effectively diffused to the outside through the first heat conducting pad 141 and the battery pack shell 2, and a quick and effective heat dissipation effect is achieved.
Further preferably, the flat cable 12 includes a flat cable first outer surface 121 facing the battery pack case 2; the flat cable first outer surface 121 is provided with an insulating layer to prevent electric leakage; as shown in fig. 1, the flat cable first outer surface 121 protrudes out of the power distribution box housing 11 and is located inside the battery pack housing 2, the flat cable 12 is attached to the first heat conduction pad 141 through the flat cable first outer surface 121, and the insulating layer disposed on the flat cable first outer surface 121 can prevent the first heat conduction pad 141 from being damaged and causing current leakage of the flat cable 12, which may further cause accidents.
Furthermore, the insulating layer is a powder insulating layer, so that the limited space can be utilized, heat dissipation is not hindered, and the purpose of insulation can be achieved.
Preferably, the distribution box housing 11 includes a second structure slot 112 formed on the distribution box housing 11 for exposing the relay 13; the heat dissipation unit comprises a second heat dissipation unit 15 arranged in the second structure groove 112 in a penetrating manner; the second heat dissipation units 15 are respectively located at the two ends inside and outside the distribution box housing 11 and are respectively connected to the relay 13 and the battery pack housing 2.
The distribution box housing 11 is generally made of a plastic housing, and the second structure groove 112 on the distribution box housing 11 can provide more space for installing the second heat dissipation unit 15 and can expose the relay 13 between the battery pack housing 2 and the distribution box housing 11, thereby facilitating the heat dissipation of the relay 13 through the second heat dissipation unit 15.
Preferably, the second heat dissipating unit 15 includes a metal heat conduction block 151 mounted in the second structure groove 112.
After the second structural groove 112 is formed, a larger gap is formed between the relay 13 and the battery pack case 2 to accommodate the second heat dissipation unit 15, and the metal heat conduction block 151 is arranged to achieve the requirement of rapid heat dissipation because the metal heat dissipation effect is generally good. Further preferably, the metal heat conduction block 151 is an aluminum block with excellent heat conduction performance, low cost and easy purchase. The structure of the aluminum block may take various forms.
Preferably, as shown in fig. 4: the metal heat conduction block 151 comprises a heat conduction block body 1511 and support lugs 1512 protruding outwards from the heat conduction block body 1511; the metal heat conduction block 151 is mounted in the second structure groove 112 in such a manner that the support lug 1512 is supported on the inner surface of the distribution box housing 11 and the heat conduction block body 1511 is inserted into the second structure groove 112.
By providing the supporting lug 1512, the metal heat conduction block 151 can be easily installed in the second structural groove 112 from the distribution box housing 11 toward the battery pack housing 2, and the metal heat conduction block 151 does not fall out of the second structural groove 112 when the battery pack distribution box 1 is carried.
Preferably, as shown in fig. 3: the second heat dissipating unit 15 includes a second heat conduction pad 152 compressed between the relay 13 and the metal heat conduction block 151.
The second thermal pad 152 is made of an elastic material with good insulating and thermal-conducting properties: for example, an insulating thermally conductive silicone pad; the heat conducting pad with the property can ensure that the heat conducting pad is tightly attached to an object needing heat conduction so as to conduct heat out.
Through the arrangement of the second heat conduction pad 152, two opposite side surfaces of the second heat conduction pad 152 are respectively tightly attached to the metal heat conduction block 151 and the relay 13, so that the heat generated by the relay 13 can be effectively transmitted to the metal heat conduction block 151.
Preferably, the second heat dissipation unit 15 includes a third thermal pad 153 compressed between the battery pack case 2 and the metal thermal conductive block 151.
The third thermal pad 153 is made of an elastic material with good insulating and thermal-conducting properties: for example, an insulating thermally conductive silicone pad; the heat conducting pad with the property can ensure that the heat conducting pad is tightly attached to an object needing heat conduction so as to conduct heat out.
Two opposite side surfaces of the third heat conduction pad 153 are respectively tightly attached to the metal heat conduction block 151 and the battery pack case 2, so that it is ensured that heat generated by the relay 13 is effectively transmitted to the metal heat conduction block 151 through the second heat conduction pad 152 and then is effectively transmitted to the battery pack case 2 through the third heat conduction pad 153, and then is dissipated.
Further preferably, a plurality of the relays 13 are installed in the distribution box housing 11, and one of the second heat dissipation units 15 is installed between each of the relays 13 and the battery pack housing 2.
The utility model discloses the second aspect provides an automobile, the automobile includes above heat radiation structure.
The technical advantages of the automobile are the same as those of the heat dissipation structure, and are not described herein again.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. The technical scheme of the utility model in the technical conception scope, can be right carry out multiple simple variant. Including any combination of specific features, which is not otherwise described herein, in order to avoid unnecessary repetition. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.
Claims (10)
1. A heat dissipation structure for a battery pack, the heat dissipation structure comprising a battery pack distribution box (1) and a battery pack case (2) for accommodating the battery pack distribution box (1); the battery pack distribution box (1) comprises a distribution box shell (11) and a heating source accommodated in the distribution box shell (11); the heating source comprises a flat cable (12) and a relay (13), and is characterized in that the heat dissipation structure comprises a heat dissipation unit arranged between the heating source and the battery pack shell (2).
2. The heat dissipation structure according to claim 1, wherein the heat dissipation unit is provided between the bus cable (12) and the battery pack case (2) and/or between the relay (13) and the battery pack case (2).
3. The heat dissipation structure according to claim 1, wherein the heat dissipation structure includes a first structure groove (111) formed on the distribution box housing (11) for exposing the bus bar (12); the heat dissipation unit comprises a first heat dissipation unit (14); a part of the flat cable (12) extends out of the power distribution box shell (11) through the first structural groove (111) from the power distribution box shell (11) and is positioned in the battery pack shell (2); the first heat dissipation unit (14) is installed between the flat cable (12) and the battery pack case (2).
4. The heat dissipation structure of claim 3, wherein the first heat dissipation unit (14) comprises a first thermal pad (141), and opposite sides of the first thermal pad (141) respectively abut against the flat cable (12) and the battery pack case (2).
5. The heat dissipation structure according to claim 1, wherein the distribution box housing (11) includes a second structure groove (112) formed on the distribution box housing (11) for exposing the relay (13); the heat dissipation unit comprises a second heat dissipation unit (15) arranged in the second structure groove (112) in a penetrating mode; the second heat dissipation unit (15) is respectively located at the inner end and the outer end of the distribution box shell (11) and is respectively connected with the relay (13) and the battery pack shell (2).
6. The heat dissipation structure according to claim 5, wherein the second heat dissipation unit (15) includes a metal heat conduction block (151) mounted in the second structure groove (112).
7. The heat dissipation structure according to claim 6, wherein the metal heat conduction block (151) includes a heat conduction block body (1511) and support lugs (1512) protruding outward from the heat conduction block body (1511); the metal heat conduction block (151) is mounted in the second structural groove (112) in a manner that the support lug (1512) is supported on the inner surface of the distribution box shell (11) and the heat conduction block body (1511) is arranged in the second structural groove (112) in a penetrating manner.
8. The heat dissipation structure according to claim 7, wherein the second heat dissipation unit (15) includes a second heat conduction pad (152) compressed between the relay (13) and the metal heat conduction block (151).
9. The heat dissipation structure according to claim 8, wherein the second heat dissipation unit (15) includes a third heat conduction pad (153) compressed between the battery pack case (2) and the metal heat conduction block (151).
10. An automobile, characterized in that it comprises at least one heat dissipation structure according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922327668.8U CN210926231U (en) | 2019-12-20 | 2019-12-20 | A heat radiation structure and car for battery package |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922327668.8U CN210926231U (en) | 2019-12-20 | 2019-12-20 | A heat radiation structure and car for battery package |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210926231U true CN210926231U (en) | 2020-07-03 |
Family
ID=71344949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922327668.8U Active CN210926231U (en) | 2019-12-20 | 2019-12-20 | A heat radiation structure and car for battery package |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210926231U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023087643A1 (en) * | 2021-11-22 | 2023-05-25 | 宁德时代新能源科技股份有限公司 | High-voltage box, battery and electrical device |
| WO2023185244A1 (en) * | 2022-03-28 | 2023-10-05 | 宁德时代新能源科技股份有限公司 | Heat dissipation structure, high voltage box, battery, and electrical device |
-
2019
- 2019-12-20 CN CN201922327668.8U patent/CN210926231U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023087643A1 (en) * | 2021-11-22 | 2023-05-25 | 宁德时代新能源科技股份有限公司 | High-voltage box, battery and electrical device |
| WO2023185244A1 (en) * | 2022-03-28 | 2023-10-05 | 宁德时代新能源科技股份有限公司 | Heat dissipation structure, high voltage box, battery, and electrical device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101750092B1 (en) | Power conversion device and power conversion assembly | |
| CN108496287B (en) | Bus module | |
| JP7235221B2 (en) | Busbar with excellent insulation and heat dissipation performance and battery module with the same | |
| CN210926231U (en) | A heat radiation structure and car for battery package | |
| CN115552695A (en) | Cooling system for a busbar | |
| CN212587616U (en) | High-voltage box, battery package and electric automobile | |
| CN115989158A (en) | Vehicle charging station | |
| CN114916160A (en) | Power adapter | |
| BR102012029157A2 (en) | ELECTRIC POWER DISTRIBUTION BOARD AND BOX | |
| CN112055668A (en) | Protective grounding and cooling system for a charging plug, charging plug and charging station for delivering electrical energy to a power receiver | |
| CN116528535B (en) | Electric connector assembly structure, distribution box and preparation method of distribution box | |
| JP2009290976A (en) | Power distribution box | |
| CN216391916U (en) | Adapter and lighting lamp | |
| KR20200138885A (en) | Charger with improved heat radiation | |
| JP6117013B2 (en) | Shield connector | |
| CN115663347A (en) | Busbar subassembly and battery package | |
| CN216145746U (en) | Battery pack circuit breaking unit device and battery pack | |
| CN211671135U (en) | High-pressure box for electric automobile | |
| CN211957230U (en) | Wire and cable convenient to heat dissipation | |
| CN213093051U (en) | Bus capacitor heat radiation structure and electric automobile controller | |
| CN217444495U (en) | Liquid-cooled battery circuit breaking unit and battery pack | |
| CN218586108U (en) | Battery module structure and electric vehicle | |
| CN216981584U (en) | Distribution box of battery device and battery device | |
| CN210805903U (en) | Battery pack | |
| CN219554921U (en) | Electric conduction heat conduction piece and photovoltaic terminal box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |