CN205069719U - Battery box - Google Patents
Battery box Download PDFInfo
- Publication number
- CN205069719U CN205069719U CN201520890830.6U CN201520890830U CN205069719U CN 205069719 U CN205069719 U CN 205069719U CN 201520890830 U CN201520890830 U CN 201520890830U CN 205069719 U CN205069719 U CN 205069719U
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- Prior art keywords
- heat
- base plate
- groove
- battery case
- conducting plate
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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
Abstract
The utility model relates to an energy storage device field, especially, relate to a battery box, which comprises an upper cover, lower box, battery module and radiating component, the upper cover encloses into a cavity that is used for holding the battery module with lower box, the box includes curb plate and bottom plate down, the battery module is located the cavity, and placed on the bottom plate, the radiating component includes radiating fin, it has seted up logical groove to correspond the battery module on the bottom plate, the radiating component sets up and is leading to the inslot, and contact heat conduction with the battery module, and radiating fin stretches out towards the outside of cavity. Battery box that this application provided offers logical groove on through box under to wherein setting up the radiating component including radiating fin, heat fast transferring that mode through contact heat conduction can produce the battery module and through the outside that radiating fin disperses battery box, has consequently improved battery box's radiating efficiency to the radiating fin on by a wide margin, has promoted battery box's safety in utilization.
Description
Technical field
The application relates to energy storage device field, particularly relates to a kind of battery case.
Background technology
Composite material application is more and more extensive, especially receives much attention in electric automobiles.At present, composite material Battery case mainly considers light-weight design.
Generally adopting with resin in correlation technique is matrix, and fiber is the composite material electrokinetic cell casing of reinforcement, but this composite material exists the low problem of conductive coefficient.
Electrokinetic cell system is under high magnification charged state, battery system can produce a large amount of heats, but this composite material electrokinetic cell casing is due to poor heat conductivity, heat exchange effectively cannot be carried out, the heat of battery case inside can not be distributed fast, battery system cycle-index can be caused greatly to reduce, affect useful life, battery even can be made to produce thermal runaway, make electrokinetic cell produce safety problem.
Utility model content
This application provides a kind of battery case, can radiating efficiency be improved.
The battery case that the application provides, comprises upper cover, lower box, battery modules and radiating component,
Described upper cover and described lower box surround one for holding the cavity of described battery modules, described lower box comprises side plate and base plate, described battery modules is positioned at cavity, and be placed on described base plate, described radiating component comprises radiating fin, and on described base plate, corresponding described battery modules offers groove, and described radiating component is arranged in described groove, and with described battery modules thermal contact conductance, and described radiating fin stretches out towards the outside of described cavity.
Preferably, described radiating component also comprises heat-conducting plate, and described radiating fin is vertically set on a side of described heat-conducting plate, described heat-conducting plate to be horizontally installed in described cavity and with described battery modules thermal contact conductance.
Preferably, also comprise seal, the area of described heat-conducting plate is greater than the area of described groove, on the edge card of the described heat-conducting plate described base plate outside described groove edge, described seal is arranged around described groove, and between described base plate and described heat-conducting plate.
Preferably, described base plate is also provided with seal groove, described seal groove between described base plate and described heat-conducting plate, and is arranged around described groove, and described seal is arranged in described seal groove.
Preferably, adhesive linkage is provided with between described heat-conducting plate and described base plate.
Preferably, described base plate or described heat-conducting plate are also provided with convex tendon, and described convex tendon is between described base plate and described heat-conducting plate.
Preferably, relative to described groove, described convex tendon is arranged on the outside of described seal.
Preferably, also comprise screw, described heat-conducting plate and described base plate are by described screw fastening.
Preferably, sealant sealing is passed through between described radiating component and described groove.
Preferably, also comprise elastic conducting thermosphere, described elastic conducting thermosphere is arranged between described radiating component and described battery modules, and described radiating component is by described elastic conducting thermosphere and described battery modules heat conduction.
The technical scheme that the application provides can reach following beneficial effect:
The battery case that the application provides by offering groove on lower box, and the radiating component comprising radiating fin is set wherein, the heat that battery modules produces can be passed on radiating fin fast by the mode of thermal contact conductance, and the outside of battery case is diffused to by radiating fin, therefore significantly improve the radiating efficiency of battery case, improve the safety in utilization of battery case.
Should be understood that, it is only exemplary that above general description and details hereinafter describe, and can not limit the application.
Accompanying drawing explanation
The sectional structure schematic diagram of the battery case that Fig. 1 provides for the embodiment of the present application;
Fig. 2 is the close-up schematic view of part A in Fig. 1;
The sectional structure schematic diagram of the lower box that Fig. 3 provides for the embodiment of the present application;
The detonation configuration schematic diagram of each layer in the lower box that Fig. 4 provides for the embodiment of the present application.
Reference numeral:
10-upper cover;
11-lower box;
110-base plate;
110a-groove;
110b-seal groove;
110c-convex tendon;
112-side plate;
12-battery modules;
13-radiating component;
130-radiating fin;
132-heat-conducting plate;
14-seal;
15-screw;
16-adhesive linkage;
17-elastic conducting thermosphere.
Accompanying drawing to be herein merged in specification and to form the part of this specification, shows the embodiment meeting the application, and is used from specification one principle explaining the application.
Embodiment
Also by reference to the accompanying drawings the application is described in further detail below by specific embodiment."front", "rear" described in literary composition, "left", "right", " on ", D score all with the laying state of the battery case in accompanying drawing for reference.
As shown in Figure 1 and Figure 2, the embodiment of the present application provides a kind of battery case, comprises upper cover 10, lower box 11, battery modules 12, radiating component 13, seal 14, screw 15, adhesive linkage 16 and elastic conducting thermosphere 17.Wherein, upper cover 10 and lower box 11 are the agent structure of battery case, and the material of the two is the poor light composite material of thermal conductivity.Upper cover 10 and lower box 11 surround one for holding the cavity of battery modules 12.The quantity of the battery modules 12 had in a battery case is more, neat being arranged in cavity of these battery modules 12.Particularly, lower box 11 comprises base plate 110 and side plate 112, and wherein, as shown in Figure 2, on base plate 110, the position of corresponding battery modules 12 also offers groove 110a, and battery modules 12 is placed on base plate 110, and bottom is relative with groove 110a.Radiating component 13 is provided with radiating fin 130, radiating component 13 is arranged in groove 110a, and with battery modules 12 thermal contact conductance, radiating fin 130 outsides towards cavity are stretched out, but preferably not more than the lower surface of base plate 110, in order to avoid frequent and other object contact and damaging.
Like this, radiating component 13 can by groove 110a that base plate 110 is offered directly with inner battery modules 12 thermal contact conductance, heat conductivility due to radiating component is obviously better than top cover 10 that composite material makes and lower box 11, heat can be derived by inside cavity fast by radiating component 13, and be discharged into surrounding space fast by the radiating fin stretched out outside cavity, thus the temperature of battery case inside is declined fast, improve the safety in utilization of battery.
As shown in Figure 2, in the present embodiment, in order to improve heat transfer efficiency and stationarity, radiating component 13 carries out thermal contact conductance by one piece of heat-conducting plate 132 and battery modules 12, heat-conducting plate 132 is horizontally installed within groove 110a, radiating fin 130 is vertically set on the side of heat-conducting plate 132, and the heat of each position bottom battery modules 12 can be concentrated and pass to radiating fin 130 by heat-conducting plate 132, and therefore radiating efficiency is higher.
Because the present embodiment has offered groove 110a on base plate 110, break the original hermetically-sealed construction of battery case, and the inside of battery case needs to keep dry at any time, otherwise be easy to cause the problems such as short circuit, therefore need to prevent extraneous steam from entering into the inside of cavity by groove 110a.In the present embodiment, sealed by fluid sealant between radiating component 13 and groove 110a, can tentatively seal like this, possesses certain anti-infiltration effect, but because fluid sealant easily comes off, and be easily subject to the impact of coating thickness, therefore effect is undesirable.
Seal mainly through seal 14 in the present embodiment.Particularly, first the area of heat-conducting plate 132 will be increased, its area is made to be greater than the area of groove 110a, heat-conducting plate 132 is placed on base plate 110, radiating fin 130 is stretched out by groove 110a, the edge of heat-conducting plate 132 is then stuck on the base plate 110 outside groove 110a edge, seal 14, such as sealing strip, sealing ring etc. are arranged around groove 110a, and between base plate 110 and heat-conducting plate 132, to the sealing gap between base plate 110 and heat-conducting plate 132, thus stop steam is invaded battery case inside by groove 110a.Arbitrarily be moved to prevent the position of seal 14, cause sealing effectiveness to decline, also on base plate 110, be provided with seal groove 110b in the present embodiment, seal groove 110b is between base plate 110 and heat-conducting plate 132, and arrange around groove 110a, seal 14 is arranged in seal groove 110b.
As shown in Figure 2, Figure 4 shows, keep fixing to make the relative position between heat-conducting plate 132 and base plate 110, the present embodiment utilizes screw 15 to be fastened on base plate 110 by heat-conducting plate 132, screw 15 is through heat-conducting plate 132, the head of screw 15 blocks heat-conducting plate 132, and the inside that the afterbody of screw 15 then screws in base plate 110 is formed fixing.In addition, in the present embodiment, also adhesive linkage 16 can be set between heat-conducting plate 132 and base plate 110, utilize the sticky stickiness of adhesive linkage 16 heat-conducting plate 132 and base plate 110 to be bonded together.Consider the sealing property of seal 14, the thickness of adhesive linkage 16 can not be excessive, and seal 14 so just can be made to be subject to enough extruding forces and to produce sealing effectiveness.In the present embodiment, pressure can be applied to heat-conducting plate 132 and base plate 110 by outside fixture, force the two to press close to, extruding adhesive linkage 16, its thickness is reduced, when being provided with screw 15, can also directly be adjusted by the thickness of screw-in degree to adhesive linkage 16 adjusting screw 15.
Because adhesive linkage 16 is positioned at inside, no matter be therefore adjusted by fixture or adjusted by screw 15, be all faced with unmanageable problem.To this, the present embodiment is also provided with convex tendon 110c in the position that base plate 110 is relative with heat-conducting plate 132, when gap between heat-conducting plate 132 and base plate 110 narrows down to a certain degree, convex tendon 110c can prop up heat-conducting plate 132, stop it to continue to press close to, now the thickness of adhesive linkage 16 is just consistent with the height of convex tendon 110c.Therefore, deposit in case at convex tendon 110c, operating personnel, without the need to considering the thickness adjustment problem of adhesive linkage 16, as long as ensure that convex tendon 110c contacts with heat-conducting plate 132, just can ensure the thickness of adhesive linkage 16 in the reasonable scope.
Convex tendon 110c can be arranged on base plate 110, also can be arranged on heat-conducting plate 132, consider material hardness and convenient formation etc., preferably convex tendon 110c is arranged on (see Fig. 3) on base plate 110.Convex tendon 110c can be a complete circle, also can be to be made up of several sections of independent sections, and in order to make the surrounding uniform force of heat-conducting plate 132, convex tendon 110c preferably distributes round the surrounding regular symmetric of groove 110a.
In order to the contention effect preventing convex tendon 110c from hindering heat-conducting plate 132 and base plate 110 pairs of seals 14, preferably convex tendon 110c is arranged on the outside of seal 14 relative to groove 110a, position residing for such seal 14 can have more deformation quantity, forms larger extruding force to seal 14.
In the present embodiment, battery modules 12 and heat-conducting plate 132 are generally formed by hard material, but hard material is owing to lacking flexibility, the gap between self-deformation elimination contact-making surface cannot be utilized when the surface of other hard material contacts, and then cause heat conductivility to reduce.In order to solve this problem, as shown in Figure 2, Figure 4 shows, be also provided with elastic conducting thermosphere 17 in the present embodiment, elastic conducting thermosphere 17 is arranged between heat-conducting plate 132 and battery modules 12, makes heat-conducting plate 132 by elastic conducting thermosphere 17 and battery modules 12 heat conduction.Because soft material can realize fitting tightly between other body surface by changing shape, greatly eliminate gap therebetween, therefore, it is possible to improve the heat conductivility between contact-making surface.Elastic conducting thermosphere 17 can select heat conductivility better and the material that elasticity is moderate, such as heat conductive silica gel etc.
The battery case that the application provides significantly improves the radiating efficiency of battery case, improves the safety in utilization of battery case.
The foregoing is only the preferred embodiment of the application, be not limited to the application, for a person skilled in the art, the application can have various modifications and variations.Within all spirit in the application and principle, any amendment done, equivalent replacement, improvement etc., within the protection range that all should be included in the application.
Claims (10)
1. a battery case, is characterized in that, comprises upper cover, lower box, battery modules and radiating component,
Described upper cover and described lower box surround one described lower box comprise side plate and base plate for holding the cavity of described battery modules, and described battery modules is positioned at cavity, and is placed on described base plate,
Described radiating component comprises radiating fin, and on described base plate, corresponding described battery modules offers groove, and described radiating component is arranged in described groove, and with described battery modules thermal contact conductance, and described radiating fin stretches out towards the outside of described cavity.
2. battery case according to claim 1, it is characterized in that, described radiating component also comprises heat-conducting plate, and described radiating fin is vertically set on a side of described heat-conducting plate, described heat-conducting plate to be horizontally installed in described cavity and with described battery modules thermal contact conductance.
3. battery case according to claim 2, it is characterized in that, also comprise seal, the area of described heat-conducting plate is greater than the area of described groove, on the edge card of the described heat-conducting plate described base plate outside described groove edge, described seal is arranged around described groove, and between described base plate and described heat-conducting plate.
4. battery case according to claim 3, is characterized in that, described base plate is also provided with seal groove, and described seal groove between described base plate and described heat-conducting plate, and is arranged around described groove, and described seal is arranged in described seal groove.
5. battery case according to claim 3, is characterized in that, is provided with adhesive linkage between described heat-conducting plate and described base plate.
6. battery case according to claim 5, is characterized in that, described base plate or described heat-conducting plate are also provided with convex tendon, and described convex tendon is between described base plate and described heat-conducting plate.
7. battery case according to claim 6, is characterized in that, relative to described groove, described convex tendon is arranged on the outside of described seal.
8. battery case according to claim 5, is characterized in that, also comprises screw, and described heat-conducting plate and described base plate are by described screw fastening.
9. the battery case according to any one of claim 1 to 8, is characterized in that, passes through sealant sealing between described radiating component and described groove.
10. the battery case according to any one of claim 1 to 8, it is characterized in that, also comprise elastic conducting thermosphere, described elastic conducting thermosphere is arranged between described radiating component and described battery modules, and described radiating component is by described elastic conducting thermosphere and described battery modules heat conduction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520890830.6U CN205069719U (en) | 2015-11-10 | 2015-11-10 | Battery box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520890830.6U CN205069719U (en) | 2015-11-10 | 2015-11-10 | Battery box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205069719U true CN205069719U (en) | 2016-03-02 |
Family
ID=55396232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520890830.6U Active CN205069719U (en) | 2015-11-10 | 2015-11-10 | Battery box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205069719U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107579179A (en) * | 2017-08-28 | 2018-01-12 | 长兴遥米新能源科技有限公司 | A kind of quick cooling lithium battery module |
| CN108583337A (en) * | 2018-05-04 | 2018-09-28 | 潍坊科技学院 | A kind of new energy Mechano-electrically integrated control unit |
| CN109728211A (en) * | 2017-10-27 | 2019-05-07 | 银隆新能源股份有限公司 | A kind of lower box for battery case |
| WO2020135153A1 (en) * | 2018-12-29 | 2020-07-02 | 宁德时代新能源科技股份有限公司 | Battery box |
-
2015
- 2015-11-10 CN CN201520890830.6U patent/CN205069719U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107579179A (en) * | 2017-08-28 | 2018-01-12 | 长兴遥米新能源科技有限公司 | A kind of quick cooling lithium battery module |
| CN109728211A (en) * | 2017-10-27 | 2019-05-07 | 银隆新能源股份有限公司 | A kind of lower box for battery case |
| CN108583337A (en) * | 2018-05-04 | 2018-09-28 | 潍坊科技学院 | A kind of new energy Mechano-electrically integrated control unit |
| WO2020135153A1 (en) * | 2018-12-29 | 2020-07-02 | 宁德时代新能源科技股份有限公司 | Battery box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 352100 Jiaocheng District of Ningde City, Fujian Province Zhang Wan Zhen Xingang Road No. 1 Patentee after: Contemporary Amperex Technology Co.,Ltd. Address before: 352100 Jiaocheng District of Ningde City, Fujian Province Zhang Wan Zhen Xingang Road No. 1 Patentee before: CONTEMPORARY AMPEREX TECHNOLOGY Ltd. |