CN205911338U - Battery box - Google Patents

Battery box Download PDF

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Publication number
CN205911338U
CN205911338U CN201620785982.4U CN201620785982U CN205911338U CN 205911338 U CN205911338 U CN 205911338U CN 201620785982 U CN201620785982 U CN 201620785982U CN 205911338 U CN205911338 U CN 205911338U
Authority
CN
China
Prior art keywords
box
battery
cover plate
fans
battery box
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.)
Expired - Fee Related
Application number
CN201620785982.4U
Other languages
Chinese (zh)
Inventor
赵亚飞
梁铨
邓华才
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Poly (hangzhou) Amperex Technology Ltd
Original Assignee
China Poly (hangzhou) Amperex Technology Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Poly (hangzhou) Amperex Technology Ltd filed Critical China Poly (hangzhou) Amperex Technology Ltd
Priority to CN201620785982.4U priority Critical patent/CN205911338U/en
Application granted granted Critical
Publication of CN205911338U publication Critical patent/CN205911338U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)

Abstract

The utility model provides a battery box. It includes the box and sets up a plurality of battery modules in the box, and the inner wall of box and the bottom surface subsides in the box are equipped with and keep warm cottonly, and battery box still includes heating element, apron subassembly and radiator unit. Heating element is located the bottom surface of box, and the battery module is pressed and is located heating element, lap subassembly sealing connection in the top of box for make the box be seal structure, radiator unit has a plurality of fans, and a plurality of fans are located between apron subassembly and the battery module, and a plurality of fans are used for forming the circulation wind path. Box among this battery box is seal structure, has better sealed effect, radiator unit among this battery box forms the circulation wind path through a plurality of fans, and through circulation wind path and heating element's cooperation, this battery box's inside has better thermal balance nature.

Description

Battery box
Technical Field
The utility model relates to a battery box.
Background
The environment has important influence on the normal use and performance of the battery box, for example, the battery box is required to have high waterproof sealing performance in some places, and the temperature inside the battery box is required in some places. However, in the heating and heat-preserving method for the battery box in the market, the use occasion of the battery box is usually limited due to poor sealing performance, and the use of the battery box is influenced; the internal temperature can not meet the requirement, such as poor thermal balance performance, and the service performance of the battery box can be affected. For example, chinese patent application CN104037365A discloses a power Pack for an electric bus, which also has a heat-preservation and constant-temperature function, but the vent of the power Pack is still outside and cannot be completely sealed, and if wading into water or a malignant environment, the battery box is damaged; meanwhile, the lithium battery is most dangerous, the temperature is not high, heat dissipation is needed, the heat balance of the inner space of the lithium battery is more important, the power Pack has a ventilation and heat dissipation function but does not have a heat balance function, and if the temperature difference of the electric core in the box body exceeds about 15 degrees, the performance of the battery is affected. Therefore, the power Pack has poor sealing effect and thermal balance performance.
In conclusion, the battery box in the prior art has the defects of poor sealing effect and poor thermal balance performance.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a battery box in order to overcome the relatively poor defect of sealed effect and the thermal balance performance of battery box among the prior art.
The utility model discloses an above-mentioned technical problem is solved through following technical scheme:
the utility model provides a battery box, include a box and set up in a plurality of battery module in the box, the inner wall of box and bottom surface subsides in the box are equipped with the heat preservation cotton, its characterized in that, the battery box still includes:
the heating assembly is positioned in the box body and attached to the bottom surface of the box body, and the plurality of battery modules are arranged in the heating assembly in a pressing mode;
the cover plate assembly is connected to the top of the box body in a sealing mode and is used for enabling the box body to be a sealing structure;
and the heat dissipation assembly is provided with a plurality of fans, the plurality of fans are arranged between the cover plate assembly and the plurality of battery modules, and the plurality of fans are used for forming a circulating air path.
In the technical scheme, the box body of the battery box is of a sealing structure, so that a better sealing effect is achieved; the circulation air path formed by the fans enables the purpose of heat balance to be achieved through circulation of air in the box body. Therefore, the battery box has better sealing effect and thermal equilibrium performance.
Preferably, the heating assembly has a heating element, a power supply and a temperature sensor, the heating element is attached to the bottom surface of the box body, and the heating element is connected to the power supply and the temperature sensor.
Preferably, the heating element is provided with a supporting layer, an intermediate layer and a protective layer, the supporting layer is attached to the bottom surface of the box body, the intermediate layer is laid on the supporting layer, the protective layer is laid on the intermediate layer, and the plurality of battery modules are pressed on the protective layer; wherein,
the supporting layer and the protective layer are both made of silicon rubber high-temperature insulating cloth, the middle layer is a nickel-chromium alloy heating wire, and the nickel-chromium alloy heating wire is connected with the power supply and the temperature sensor.
The silicon rubber high-temperature insulating cloth has thermal uniformity, the nickel-chromium alloy heating wire is used for heating, the thermal uniformity is realized through the silicon rubber high-temperature insulating cloth, and a heat source is not only fixed on the nickel-chromium alloy heating wire. In addition, the silicon rubber high-temperature insulating cloth used as the protective layer can also protect the nickel-chromium alloy heating wire.
The heating element is connected to the power supply, and when the power supply adopts a constant voltage power supply, the heating component can be heated at a constant temperature. In addition, when the temperature sensor detects that the ambient temperature in the box body is lower than the specified temperature, the heating assembly starts to work and can provide a constant temperature.
Preferably, the heating element further comprises a reinforcing layer, the reinforcing layer is arranged between the bottom surface of the box body and the supporting layer, and the reinforcing layer is an epoxy plate or an acrylic plate.
The reinforcing layer has insulation and certain strength, and can further improve the strength of the heating assembly.
Preferably, the heat dissipation assembly further comprises a supporting plate, the supporting plate is disposed on the top of at least one of the battery modules, and the plurality of fans are disposed on the supporting plate at intervals.
In the technical scheme, the plurality of fans are arranged at the top of the battery module through the supporting plate, on one hand, the plurality of fans are not directly arranged on the battery module and can protect the battery module; on the other hand, a plurality of fans can be pre-installed on the supporting plate, and the heat dissipation assembly and the battery module can be conveniently installed or detached through the installation or detachment of the supporting plate and the battery module.
Preferably, the support plate is arranged in the middle of the battery box, the heat dissipation assembly comprises two fans, and the wind directions of the two fans are opposite.
In this embodiment, the two fans can form the circulation air path. When the temperature in the box body exceeds the specified temperature, the fan starts to work, so that the heat balance in the box body is realized through the circulation of wind.
Preferably, the cover plate assembly has:
the bottom cover plate is erected at the top of the box body;
the waterproof gasket is sleeved at the top of the bottom cover plate;
and the top cover plate is covered on the bottom cover plate through the waterproof gasket.
Preferably, the waterproof gasket is connected with the top of the bottom cover plate in an adhesive mode.
Preferably, the top cover plate is made of aluminum alloy.
The top cover plate is made of aluminum alloy, so that heat in the box body can be diffused to the outside of the box body through heat conduction of the top cover plate, and the heat balance performance of the battery box can be further improved.
On the basis of the common knowledge in the field, the above preferred conditions can be combined at will to obtain the preferred embodiments of the present invention.
The utility model discloses an actively advance the effect and lie in:
the box body in the battery box of the utility model is a sealing structure, which has better sealing effect; the heat dissipation assembly in the battery box forms a circulation air path through a plurality of fans, and the inside of the battery box has better heat balance through the cooperation of the circulation air path and the heating assembly in the battery box.
Drawings
Fig. 1 is a schematic view of an overall structure of a battery box according to a preferred embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a battery box according to a preferred embodiment of the present invention without a cover plate assembly.
Fig. 3 is a schematic view of a connection structure between a box body and a heating element in a battery box according to a preferred embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a heating element in a battery box according to a preferred embodiment of the present invention.
Description of reference numerals:
1: box body
2: battery module
3: cover plate assembly
31: bottom cover plate
32: waterproof gasket
33: top cover plate
4: heat radiation assembly
41: fan with cooling device
42: supporting plate
5: heating element
51: locating hole
Detailed Description
The present invention will be more clearly and completely described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the battery box includes a box body 1 and four battery modules 2 arranged in the box body 1, and heat insulation cotton (not shown) is attached to the inner wall of the box body 1 and the bottom surface in the box body 1. In addition, the battery box also comprises a heating component, a cover plate component 3 and a heat dissipation component 4. The heating assembly is positioned in the box body 1 and attached to the bottom surface of the box body 1, and the four battery modules 2 are pressed on the heating assembly; the cover plate component 3 is hermetically connected to the top of the box body 1 and is used for enabling the box body 1 to be a sealed structure; the heat dissipation assembly 4 has two fans 41, and the wind directions of the two fans 41 are opposite, the two fans 41 are disposed between the cover assembly 3 and the four battery modules 2, and the two fans 41 are used for forming a circulation wind path.
In other embodiments, the heat dissipation assembly 4 may also be provided with another number of fans 41, such as three, four, etc., as long as the arrangement positions and wind directions of the fans 41 are changed by reasonable arrangement, so that the circulation wind path can be formed among the fans 41.
As shown in fig. 2, the heat dissipation assembly 4 further has a support plate 42, the support plate 42 is disposed on the top of the middle two battery modules 2 of the four battery modules 2, such that the support plate 42 is located in the middle of the case 1, and the two fans 41 are disposed on the support plate 42 at intervals.
The two fans 41 are disposed on the top of the battery module 2 through the support plate 42, so that the battery module 2 can be protected, and the heat dissipation assembly 4 and the battery module 2 can be conveniently mounted or dismounted.
As shown in fig. 1, the cover plate assembly 3 has a bottom cover plate 31, a waterproof gasket 32 and a top cover plate 33, wherein the bottom cover plate 31 is erected on the top of the box body 1; the waterproof gasket 32 is sleeved on the top of the bottom cover plate 31; the top cover plate 33 is covered on the bottom cover plate 31 by a waterproof gasket 32. In the present embodiment, the waterproof gasket 32 is bonded to the top of the bottom cover plate 31; the top cover plate 33 is made of aluminum alloy.
The top cover plate 33 is made of aluminum alloy, so that heat in the box body 1 can be diffused to the outside of the box body 1 through heat conduction of the top cover plate 33, and the thermal balance performance of the battery box can be further improved.
In the present embodiment, as shown in fig. 3 and 4, the heating assembly has a heating element 5, a power source (not shown), and a temperature sensor (not shown), the heating element 5 is attached to the bottom surface of the case 1, and the heating element 5 is connected to the power source and the temperature sensor. Wherein the heating element 5 has a support layer (not shown), an intermediate layer (not shown), a protective layer (not shown) and a reinforcing layer (not shown), the reinforcing layer is provided on the bottom surface of the case body, the support layer is laid on the reinforcing layer, the intermediate layer is laid on the support layer, the protective layer is laid on the intermediate layer, and the four battery modules 2 in fig. 2 are pressed on the protective layer; the supporting layer with the material of protective layer is silicon rubber high temperature insulation cloth, the intermediate level is the nichrome heating wire, the back up coat is the epoxy board, the nichrome heating wire connect in the power with temperature sensor. In addition, as shown in fig. 4, the heating element 5 has a positioning hole 51, and the positioning hole 51 allows the heating element 5 to be better attached to the bottom surface of the box 1 in fig. 3.
The silicon rubber high-temperature insulating cloth has thermal uniformity, the nickel-chromium alloy heating wire is used for heating, the thermal uniformity is realized through the silicon rubber high-temperature insulating cloth, and a heat source is not only fixed on the nickel-chromium alloy heating wire. In addition, the silicon rubber high-temperature insulating cloth used as the protective layer can also protect the nickel-chromium alloy heating wire. The reinforcing layer has insulation and certain strength, and can further improve the strength of the heating assembly.
The heating element is connected to the power, when the power adopts the constant voltage power, can make heating element can the constant temperature heating. In addition, when the temperature sensor detects that the ambient temperature in the cabinet 1 is lower than a predetermined temperature, the heating unit starts to operate, and a constant temperature can be provided. Meanwhile, when the temperature inside the cabinet 1 exceeds a prescribed temperature, the fan 41 starts to operate, thereby achieving heat equalization inside the cabinet 1 by the circulation of wind.
In the embodiment, the box body 1 of the battery box is a sealing structure, so that a better sealing effect is achieved; the circulation air passage formed by the two fans 41 allows the heat balance to be achieved by the circulation of air in the case 1. Therefore, the battery box has better sealing effect and thermal equilibrium performance.
Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.

Claims (9)

1. The utility model provides a battery box, include a box and set up in a plurality of battery module in the box, the inner wall of box and bottom surface subsides in the box are equipped with the heat preservation cotton, its characterized in that, the battery box still includes:
the heating assembly is positioned in the box body and attached to the bottom surface of the box body, and the plurality of battery modules are arranged in the heating assembly in a pressing mode;
the cover plate assembly is connected to the top of the box body in a sealing mode and is used for enabling the box body to be a sealing structure;
and the heat dissipation assembly is provided with a plurality of fans, the plurality of fans are arranged between the cover plate assembly and the plurality of battery modules, and the plurality of fans are used for forming a circulating air path.
2. The battery box of claim 1, wherein the heating assembly has a heating element, a power source and a temperature sensor, the heating element is attached to the bottom surface of the box body, and the heating element is connected to the power source and the temperature sensor.
3. The battery box according to claim 2, wherein the heating element has a supporting layer, an intermediate layer and a protective layer, the supporting layer is attached to the bottom surface of the box body, the intermediate layer is laid on the supporting layer, the protective layer is laid on the intermediate layer, and a plurality of battery modules are pressed on the protective layer; wherein,
the supporting layer and the protective layer are both made of silicon rubber high-temperature insulating cloth, the middle layer is a nickel-chromium alloy heating wire, and the nickel-chromium alloy heating wire is connected with the power supply and the temperature sensor.
4. The battery box of claim 3, wherein the heating element further comprises a reinforcing layer disposed between the bottom surface of the box body and the support layer, the reinforcing layer being an epoxy plate or an acrylic plate.
5. The battery box of claim 1, wherein the heat dissipation assembly further comprises a supporting plate disposed on the top of at least one of the battery modules, and a plurality of the fans are disposed on the supporting plate at intervals.
6. The battery box of claim 5, wherein the supporting plate is disposed in the middle of the battery box, and the heat dissipation assembly comprises two fans, and the two fans are opposite in direction.
7. The battery box of claim 1, wherein the cover plate assembly has:
the bottom cover plate is erected at the top of the box body;
the waterproof gasket is sleeved at the top of the bottom cover plate;
and the top cover plate is covered on the bottom cover plate through the waterproof gasket.
8. The battery box of claim 7, wherein the waterproof gasket is adhesively attached to the top of the bottom cover plate.
9. The battery box of claim 7, wherein the top cover plate is made of aluminum alloy.
CN201620785982.4U 2016-07-25 2016-07-25 Battery box Expired - Fee Related CN205911338U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620785982.4U CN205911338U (en) 2016-07-25 2016-07-25 Battery box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620785982.4U CN205911338U (en) 2016-07-25 2016-07-25 Battery box

Publications (1)

Publication Number Publication Date
CN205911338U true CN205911338U (en) 2017-01-25

Family

ID=57805058

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620785982.4U Expired - Fee Related CN205911338U (en) 2016-07-25 2016-07-25 Battery box

Country Status (1)

Country Link
CN (1) CN205911338U (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106784498A (en) * 2017-02-20 2017-05-31 江苏峰谷源储能技术研究院有限公司 A kind of energy storage battery of strong applicability
CN106848114A (en) * 2017-02-10 2017-06-13 沧州艾诺威电子设计有限公司 A kind of battery heating device and its control method
CN107170931A (en) * 2017-06-13 2017-09-15 华南理工大学 A kind of non-fold type case lid assembly of electrokinetic cell casing
CN107871831A (en) * 2017-12-08 2018-04-03 华霆(合肥)动力技术有限公司 Battery case and battery modules
CN107895824A (en) * 2017-11-27 2018-04-10 安徽欧鹏巴赫新能源科技有限公司 Battery modules radiator structure
CN107946692A (en) * 2017-11-27 2018-04-20 安徽欧鹏巴赫新能源科技有限公司 Radiator structure for battery modules
CN107994293A (en) * 2017-11-27 2018-05-04 安徽欧鹏巴赫新能源科技有限公司 Battery core heat radiating installation construction for battery modules
CN109873242A (en) * 2019-03-05 2019-06-11 重庆长安新能源汽车科技有限公司 A kind of battery thermal management arragement construction and electric car
CN112234290A (en) * 2020-11-02 2021-01-15 南京霍考兹电子科技有限公司 Battery pack for unmanned aerial vehicle with good waterproof performance
CN112640192A (en) * 2018-08-30 2021-04-09 罗伯特·博世有限公司 Battery system with at least one ventilation device

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106848114A (en) * 2017-02-10 2017-06-13 沧州艾诺威电子设计有限公司 A kind of battery heating device and its control method
CN106784498A (en) * 2017-02-20 2017-05-31 江苏峰谷源储能技术研究院有限公司 A kind of energy storage battery of strong applicability
CN107170931A (en) * 2017-06-13 2017-09-15 华南理工大学 A kind of non-fold type case lid assembly of electrokinetic cell casing
CN107895824A (en) * 2017-11-27 2018-04-10 安徽欧鹏巴赫新能源科技有限公司 Battery modules radiator structure
CN107946692A (en) * 2017-11-27 2018-04-20 安徽欧鹏巴赫新能源科技有限公司 Radiator structure for battery modules
CN107994293A (en) * 2017-11-27 2018-05-04 安徽欧鹏巴赫新能源科技有限公司 Battery core heat radiating installation construction for battery modules
CN107871831A (en) * 2017-12-08 2018-04-03 华霆(合肥)动力技术有限公司 Battery case and battery modules
CN107871831B (en) * 2017-12-08 2024-05-07 华霆(合肥)动力技术有限公司 Battery box and battery module
CN112640192A (en) * 2018-08-30 2021-04-09 罗伯特·博世有限公司 Battery system with at least one ventilation device
CN109873242A (en) * 2019-03-05 2019-06-11 重庆长安新能源汽车科技有限公司 A kind of battery thermal management arragement construction and electric car
CN112234290A (en) * 2020-11-02 2021-01-15 南京霍考兹电子科技有限公司 Battery pack for unmanned aerial vehicle with good waterproof performance

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170125

Termination date: 20200725

CF01 Termination of patent right due to non-payment of annual fee