CN214099693U - Lithium battery capable of realizing multi-module cascade based on direct current contactor control - Google Patents
Lithium battery capable of realizing multi-module cascade based on direct current contactor control Download PDFInfo
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- CN214099693U CN214099693U CN202022047893.9U CN202022047893U CN214099693U CN 214099693 U CN214099693 U CN 214099693U CN 202022047893 U CN202022047893 U CN 202022047893U CN 214099693 U CN214099693 U CN 214099693U
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- Prior art keywords
- explosion
- box
- proof box
- direct current
- cooling
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- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 59
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 238000001816 cooling Methods 0.000 claims abstract description 63
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 claims description 12
- 230000017525 heat dissipation Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 2
- 208000027418 Wounds and injury Diseases 0.000 abstract description 5
- 239000002131 composite material Substances 0.000 abstract description 5
- 230000006378 damage Effects 0.000 abstract description 5
- 208000014674 injury Diseases 0.000 abstract description 5
- 230000001681 protective effect Effects 0.000 abstract description 5
- 229920000049 Carbon (fiber) Polymers 0.000 abstract description 2
- 239000004917 carbon fiber Substances 0.000 abstract description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 2
- 239000000835 fiber Substances 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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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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- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The utility model discloses a lithium battery which belongs to the technical field of lithium batteries, in particular to a lithium battery which can be cascaded by a plurality of modules and is based on the control of a direct current contactor, comprising an explosion-proof box, wherein the inner side wall of the explosion-proof box is divided into a three-cavity mounting cavity, a lithium battery fixing box and a water cooling box by two clapboards, a control component is arranged in the mounting cavity, a curved water cooling pipe is arranged in the inner side wall of the water cooling box, the top of the outer side wall of the explosion-proof box is provided with an air cooling group, the explosion-proof box made of carbon fiber composite materials is used as a protective box, the injury to users is prevented when the lithium battery explodes, in addition, the curved water cooling pipe is matched with an external water cooling machine to carry out auxiliary water cooling on the interior of the explosion-proof box, meanwhile, the setting of a cooling fan can carry out auxiliary air cooling on the interior of the explosion-proof box, and the cooling fan can send the cold air generated by the curved water cooling pipe into the explosion-proof box, further cool down explosion-proof incasement portion, increased the security that the lithium cell used.
Description
Technical Field
The utility model relates to a lithium battery technology field specifically is but lithium cell that multi-module cascades based on direct current contactor control.
Background
Lithium batteries are batteries using a nonaqueous electrolyte solution and lithium metal or a lithium alloy as an anode material.
Because the chemical characteristics of lithium metal are very active, the requirements on the environment are very high, the working current of the battery is too large due to overcharge, overdischarge or internal short circuit of the lithium battery, the temperature of the battery is too high, high-temperature and high-pressure gas is generated, the pressure and the temperature inside the battery are very high, when the pressure and the temperature inside the battery exceed the bearing capacity of a battery packaging container, the packaging container is exploded, inflammable and explosive substances inside the battery flow outwards, and serious accidents such as explosion, fire and the like are caused.
When the existing lithium battery is used, a certain explosion-proof device is lacked, the real-time temperature control can not be carried out on the lithium battery, and certain potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above and/or other problems with existing lithium batteries.
Therefore, the utility model aims at providing a but lithium cell that multi-module cascades based on direct current contactor control can solve current lithium cell and lack certain explosion-proof equipment when using, and can not carry out real-time temperature control to the lithium cell, has the problem of certain potential safety hazard.
For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme:
but lithium cell that multi-module cascaded based on direct current contactor control, it includes: explosion-proof case, lithium cell, control assembly, bent shape water-cooling tube and forced air cooling group, explosion-proof incasement lateral wall separates for three cavity installation cavity, lithium cell fixing box and water-cooling box through two baffles, lithium cell fixing box inside wall bottom joint the lithium cell, control assembly locates in the installation cavity, control assembly includes controller and direct current contactor, the controller embedding install in installation cavity inside wall bottom central point puts, direct current contactor locates installation cavity inside wall top, the controller with direct current contactor electric connection, bent shape water-cooling tube install in water-cooling box inside wall, just the water-cooling box with a plurality of through-holes have been seted up between the explosion-proof case, explosion-proof case lateral wall top sets up forced air cooling group.
As a preferred scheme of the lithium cell that can the multi-module cascade based on direct current contactor control, wherein: the air cooling set comprises a connecting frame and a cooling fan, an air opening is formed in the top of the outer side wall of the explosion-proof box, the connecting frame corresponds to the air opening, and the cooling fan is installed in the connecting frame.
As a preferred scheme of the lithium cell that can the multi-module cascade based on direct current contactor control, wherein: a plurality of bleeder vents have all been seted up to the explosion-proof box lateral wall left and right sides, and are a plurality of the bleeder vent is followed the explosion-proof box lateral wall is from last to being linear equidistance range setting down.
As a preferred scheme of the lithium cell that can the multi-module cascade based on direct current contactor control, wherein: the control assembly further comprises a safety relay, the safety relay is installed at the bottom of the rear side wall of the explosion-proof box, and the safety relay is electrically connected with the controller.
As a preferred scheme of the lithium cell that can the multi-module cascade based on direct current contactor control, wherein: the controller is electrically connected with the remote terminal through the wireless transmission module.
As a preferred scheme of the lithium cell that can the multi-module cascade based on direct current contactor control, wherein: the output end and the input end of the curved water-cooling pipe are respectively communicated with the inlet and outlet ports of the external water-cooling machine.
Compared with the prior art: through being regarded as the protective housing by the explosion-proof box who makes for carbon-fibre composite, when preventing that the lithium cell from exploding, cause the injury to the user, and safety relay can make regular action when the lithium cell breaks down, it has the compulsory direction contact structure, as safety protection ware, ensure operating personnel safety, and, bent shape water-cooling pipe and outside water-cooling machine cooperation are to the inside water-cooling that assists of explosion-proof box, and simultaneously, radiator fan's setting can assist the forced air cooling to explosion-proof box inside, and in radiator fan can send into explosion-proof box with the cold air that bent shape water-cooling pipe produced, further cool down to explosion-proof box inside, the security that the lithium cell used has been increased.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor. Wherein:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a part of the structure of the present invention;
in the figure: 100 explosion-proof boxes, 110 air vents, 120 separators, 130 installation cavities, 140 lithium battery fixing boxes, 150 water cooling boxes, 200 lithium batteries, 300 control components, 310 controllers, 320 direct current contactors, 330 safety relays, 400 curved water cooling pipes, 500 air cooling sets, 510 connecting frames and 520 cooling fans.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways than those specifically described herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of explanation, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
The utility model provides a but lithium cell that multi-module cascades based on direct current contactor control, through by the explosion-proof box who makes for carbon-fibre composite as the protective housing, when preventing that the lithium cell from exploding, cause the injury to the user of service to, bent shape water-cooled tube and outside water-cooled machine cooperation are assisted the water-cooling to explosion-proof incasement portion, please refer to FIG 1, include explosion-proof box 100, lithium cell 200, control assembly 300, bent shape water-cooled tube 400 and forced air cooling group 500.
With reference to fig. 1-2, the explosion-proof box 100 is made of a carbon fiber composite material, the explosion-proof box 100 is used as a protective box to prevent injury to users when a lithium battery explodes, the left side and the right side of the outer side wall of the explosion-proof box 100 are respectively provided with twenty air vents 110, the twenty air vents 110 are linearly arranged at equal intervals along the outer side wall of the explosion-proof box 100 from top to bottom, the air vents 110 are used for assisting heat dissipation and ventilation inside the explosion-proof box 100, the inner side wall of the explosion-proof box 100 is divided into three cavity mounting cavities 130, a lithium battery fixing box 140 and a water cooling box 150 through two partition plates 120, the mounting cavity 130 is used for mounting a control assembly 300, the lithium battery fixing box 140 is used for placing the lithium battery 200, and the water cooling box 150 is used for arranging a curved water cooling tube 400;
referring to fig. 1, the bottom of the inner sidewall of the lithium battery fixing box 140 is provided with a clamping groove for clamping the lithium battery 200;
referring to fig. 1-2, the control assembly 300 is disposed in the installation cavity 130, and specifically, the control assembly 300 includes a controller 310 and a dc contactor 320, the controller 310 is embedded in the central position of the bottom of the inner sidewall of the installation cavity 130, the controller 310 is used as an operation core and a control core of the device, and is a final execution unit for information processing and program operation, the dc contactor 320 is screwed on the top of the inner sidewall of the installation cavity 130, the controller 310 is electrically connected to the dc contactor 320, the dc contactor 320 is used to connect or disconnect an automation switch of a main dc circuit with a load or a large-capacity control circuit, and has a low voltage release protection function, the control assembly 300 further includes a safety relay 330, the safety relay 330 is screwed on the bottom of the rear sidewall of the explosion-proof box 100 through a fastening screw, the safety relay 330 is electrically connected to the controller 310, the safety relay 330 is used to perform a regular action when a lithium battery fails (open circuit or short circuit), the safety protection device is provided with a forced guide contact structure and is used as a safety protector to ensure the safety of operators;
referring to fig. 1, the curved water cooling tube 400 is sleeved on the inner side wall of the water cooling box 150, the output end and the input end of the curved water cooling tube 400 are respectively communicated with the inlet and outlet ports of the external water cooling machine, and the curved water cooling tube 400 is matched with the external water cooling machine to perform auxiliary water cooling on the interior of the explosion-proof box 100;
referring to fig. 1-2, the top of the outer sidewall of the explosion-proof box 100 is provided with an air cooling set 500, specifically, the air cooling set 500 includes a connecting frame 510 and a heat dissipation fan 520, an air inlet (not shown) is formed in the central position of the top of the outer sidewall of the explosion-proof box 100, the connecting frame 510 is screwed on the outer sidewall of the explosion-proof box 100 corresponding to the air inlet, the heat dissipation fan 520 is screwed in the connecting frame 510 through a fastening screw, the heat dissipation fan 520 is used for performing auxiliary air cooling on the inside of the explosion-proof box 100, and the heat dissipation fan 520 can send cold air generated by the curved water-cooling tube 400 into the explosion-proof box 100, so as to further cool the inside of the explosion-proof box 100, thereby increasing the safety of the lithium battery.
The working principle is as follows: the utility model discloses a when using, through being regarded as the protective housing by the explosion-proof box 100 who makes for carbon-fibre composite, when preventing that the lithium cell from exploding, cause the injury to the user, and safety relay 330 can make regular action when the lithium cell breaks down, it has the forced direction contact structure, as safety protector, ensure operating personnel safety, and, bent shape water-cooling pipe 400 and outside water-cooling machine cooperation are assisted the water-cooling to explosion-proof box 100 inside, and simultaneously, the air-cooling can be assisted to explosion-proof box 100 inside to the setting of radiator fan 520, and in radiator fan 520 can send into explosion-proof box 100 with the cold air that bent shape water-cooling pipe 400 produced, further cool down to explosion-proof box 100 inside, the security that the lithium cell used has been increased.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (6)
1. But lithium cell that multi-module cascaded based on direct current contactor control, its characterized in that includes: explosion-proof box (100), lithium cell (200), control assembly (300), bent shape water-cooling pipe (400) and forced air cooling group (500), explosion-proof box (100) inside wall separates for three cavity installation cavity (130), lithium cell fixing box (140) and water-cooling box (150) through two baffle (120), lithium cell fixing box (140) inside wall bottom joint lithium cell (200), control assembly (300) are located in installation cavity (130), control assembly (300) include controller (310) and direct current contactor (320), controller (310) embedding install in installation cavity (130) inside wall bottom central point puts, direct current contactor (320) are located installation cavity (130) inside wall top, controller (310) with direct current contactor (320) electric connection, bent shape water-cooling pipe (400) install in water-cooling box (150) inside wall, and a plurality of through holes are formed between the water cooling box (150) and the explosion-proof box (100), and the air cooling group (500) is arranged at the top of the outer side wall of the explosion-proof box (100).
2. The direct current contactor control-based multi-module cascading lithium battery as claimed in claim 1, wherein the air cooling unit (500) comprises a connecting frame (510) and a heat dissipation fan (520), an air opening is formed in the top of the outer side wall of the explosion-proof box (100), the connecting frame (510) is arranged corresponding to the air opening, and the heat dissipation fan (520) is installed in the connecting frame (510).
3. The direct current contactor control-based multi-module cascading lithium battery as claimed in claim 1, wherein a plurality of air holes (110) are formed in both left and right sides of the outer side wall of the explosion-proof box (100), and the air holes (110) are linearly and equidistantly arranged along the outer side wall of the explosion-proof box (100) from top to bottom.
4. The direct current contactor control-based multi-module cascading lithium battery as claimed in claim 1, wherein the control assembly (300) further comprises a safety relay (330), the safety relay (330) is installed at the bottom of the rear sidewall of the explosion-proof box (100), and the safety relay (330) is electrically connected with the controller (310).
5. The direct current contactor control-based lithium battery capable of being cascaded by multiple modules as claimed in claim 1, wherein the controller (310) is electrically connected with a remote terminal through a wireless transmission module.
6. The direct current contactor control-based lithium battery capable of realizing multi-module cascade connection according to claim 1, wherein the output end and the input end of the curved water-cooling tube (400) are respectively communicated with the inlet and the outlet of an external water-cooling machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022047893.9U CN214099693U (en) | 2020-09-18 | 2020-09-18 | Lithium battery capable of realizing multi-module cascade based on direct current contactor control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022047893.9U CN214099693U (en) | 2020-09-18 | 2020-09-18 | Lithium battery capable of realizing multi-module cascade based on direct current contactor control |
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| Publication Number | Publication Date |
|---|---|
| CN214099693U true CN214099693U (en) | 2021-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022047893.9U Expired - Fee Related CN214099693U (en) | 2020-09-18 | 2020-09-18 | Lithium battery capable of realizing multi-module cascade based on direct current contactor control |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113793779A (en) * | 2021-09-13 | 2021-12-14 | 安徽中骄智能科技有限公司 | High-voltage direct-current relay's protective structure based on new energy automobile fills electric pile |
-
2020
- 2020-09-18 CN CN202022047893.9U patent/CN214099693U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113793779A (en) * | 2021-09-13 | 2021-12-14 | 安徽中骄智能科技有限公司 | High-voltage direct-current relay's protective structure based on new energy automobile fills electric pile |
| CN113793779B (en) * | 2021-09-13 | 2023-09-19 | 深圳市点蓝新能源技术有限公司 | Protective structure of high-voltage direct-current relay based on new energy automobile fills electric pile |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210831 |