CN210926071U - Air replacement type condensation water prevention battery pack and humidity detection system thereof - Google Patents
Air replacement type condensation water prevention battery pack and humidity detection system thereof Download PDFInfo
- Publication number
- CN210926071U CN210926071U CN201921917642.2U CN201921917642U CN210926071U CN 210926071 U CN210926071 U CN 210926071U CN 201921917642 U CN201921917642 U CN 201921917642U CN 210926071 U CN210926071 U CN 210926071U
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- air
- battery pack
- box body
- valve
- gas
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to an air replacement type anti-condensation battery pack and a humidity detection system thereof, which are provided with a battery pack body; the battery pack body comprises an upper cover and a box body; the upper cover is connected with the box body in an airtight manner; the method is characterized in that: a gas replacement valve and a gas pressure balance valve are arranged on one side of the box body of the battery pack body; the air pressure balance valve is an air inlet and is in air-tight connection with the box body; the gas replacement valve is a gas outlet and is connected with the box body in an airtight mode. The utility model adopts the mode of eliminating the water vapor in the box body to destroy the production condition of the condensed water, thereby realizing the reduction of the environmental temperature and humidity control requirement of the battery pack assembly workshop and reducing the investment of the manufacturing cost; the scheme process can be repeatedly operated, and the situation that moisture in the air enters the box body to cause the water vapor isolation measure to lose efficacy is avoided after the box body is opened for a plurality of times due to the reasons of unpacking, maintenance and the like of the battery pack, so that the failure risk of the irreversible process is avoided.
Description
Technical Field
The utility model relates to a battery package makes technical field, in particular to battery package and humidity detecting system of comdenstion water are prevented to air replacement formula.
Background
The liquid cooling technology of the battery pack heat management system is the most popular mode at present, the mode is that a cooling plate or a cooling pipeline filled with flowing cooling liquid is adopted in a battery box for cooling, and the cooling plate/pipe material is generally made of high-thermal-conductivity aluminum materials. The application of this solution has an important drawback that when the air humidity inside the battery pack is too high, and the cooling system is started, the outer wall of the cooling plate/tube is very likely to generate condensed water, especially at the inlet of the cooling liquid, which is more serious, and the generation of the condensed water will affect the service life of the battery pack and increase the adverse risk of the use safety thereof.
When the battery package is affected with the invasion of damp, lead to incasement damp gathering, the temperature risees at the during operation incasement, and unusual sultriness in the battery box, and cooling system starts the back this moment, and incasement cooling plate/tub outer wall will condense into the drop of water. Therefore, insulation of electrical connectors, modules and the like is easily reduced, and direct current grounding or short circuit can be caused finally, so that the battery pack stops running due to safety failure. Therefore, it is very important to better solve the problem of the condensed water induced by the cooling system.
At present, a battery PACK PACK workshop is not matched with a strict temperature and humidity control system like a cell manufacturing workshop to control the air humidity in a box body, and the strict temperature and humidity control system undoubtedly greatly increases the workshop construction and operation investment as the battery box adapts to the environmental conditions and is not as harsh as a cell; in addition, after the battery pack is subjected to failure and unpacking maintenance, the humidity of air in the battery box is irreversibly damaged.
Disclosure of Invention
The utility model aims at overcoming the defect that prior art exists, provide one kind only need be equipped with simple and easy frock alright completion, do not receive operating space and environmental constraint, even if at battery package maintenance site also can be accomplished on the spot air replacement formula prevent the battery package of comdenstion water and humidity detecting system thereof.
Realize the utility model discloses the technical scheme of purpose is: an air replacement type anti-condensation battery pack is provided with a battery pack body; the battery pack body comprises an upper cover and a box body; the upper cover is connected with the box body in an airtight manner; the method is characterized in that: a gas replacement valve and a gas pressure balance valve are arranged on one side of the box body of the battery pack body; the air pressure balance valve is an air inlet and is in air-tight connection with the box body; the gas replacement valve is a gas outlet and is connected with the box body in an airtight mode.
According to the technical scheme, dry nitrogen or air is filled in the box body.
The technical scheme comprises an air tightness detection mechanism, an inflation tool and a humidity detection mechanism; the air outlet end of the air tightness detection mechanism is detachably connected with the air pressure balance valve, and the air replacement valve is in a closed state at the moment; the air outlet end of the inflation tool is detachably connected with the air pressure balance valve, the air replacement valve is in an open state, and meanwhile the humidity detection mechanism is arranged close to a valve port of the air replacement valve.
After the technical scheme is adopted, the utility model discloses following positive effect has:
(1) the utility model adopts the mode of eliminating the water vapor in the box body to destroy the production condition of the condensed water, thereby realizing the reduction of the environmental temperature and humidity control requirement of the battery pack assembly workshop and reducing the investment of the manufacturing cost; the scheme process can be repeatedly operated, so that the situation that moisture in the air enters the box body to cause the failure of a water vapor isolation measure after the box body is opened for multiple times due to the reasons of box opening maintenance and the like of the battery pack is avoided, and the failure risk of the irreversible process is avoided;
(2) the utility model can be completed only by equipping a simple tool, is not limited by the operation space and the environment, and can be completed on the spot even if the maintenance site of the battery pack is provided;
(3) the utility model adds a step of replacing air in the box in the step of PACK process of the prior battery PACK, discharges water vapor in the box in a replacement or cleaning mode, and destroys the generating condition of condensed water in a mode of eliminating the water vapor in the box; the dry gas for replacement is nitrogen, the gas is necessary gas for the conventional PACK workshop, a gas preparation device is not additionally arranged, or gas is purchased additionally, and the use cost of the newly arranged gas is not increased;
(4) the air replacement valve is added to the battery pack box body, the replacement valve can be flexibly opened and closed and can be repeatedly operated, and the situation that moisture in the air enters the box body to cause water vapor isolation measures to lose efficacy after the box body is opened for many times due to the reasons of unpacking, maintenance and the like of the battery pack is avoided; the replacement valve can be opened, the air replacement operation steps are repeated, the environment in the box is maintained again, the condition is superior to the irreversible product condition after the environment of the existing battery pack is damaged, and the failure risk of the irreversible process is avoided;
(5) the nitrogen used by the utility model can be replaced by a bottled movable nitrogen device, and the operation process can be completed only by equipping an inflating tool, is not limited by space environment, and can be completed on site in the maintenance site of the battery pack; the displacement gas may be dry nitrogen or air;
(6) the utility model has the advantages that the original design of the battery pack is not damaged, the key functions are not influenced, and the applicability is wide;
(7) the utility model discloses use with current dampproofing water barrier material of box, the moisture-proof technology of incasement such as drier and humidity monitoring system does not have the complete difference of assembly structure or technological principle, can realize the all-round management and control of the isolated, dampproofing control prevention of comdenstion water.
Drawings
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is a schematic view of the air exchange process of the present invention.
Detailed Description
(example 1)
Referring to fig. 2 and 3, the present invention has a battery pack body 1; the battery pack body 1 comprises an upper cover and a box body; the upper cover is connected with the box body in an airtight way; the method is characterized in that: a gas replacement valve 2 and a gas pressure balance valve 3 are arranged on one side of the box body of the battery pack body 1; the air pressure balance valve 3 is an air inlet, and the air pressure balance valve 3 is connected with the box body in an air-tight manner; the gas replacement valve 2 is a gas outlet, and the gas replacement valve 2 is connected with the box body in an airtight mode. The box body is filled with dry nitrogen or air.
(example 2)
Referring to fig. 1, a humidity detection system for an air replacement type condensation water prevention battery pack includes an air tightness detection mechanism, an inflation tool, and a humidity detection mechanism; the air outlet end of the air tightness detection mechanism is detachably connected with the air pressure balance valve 3, and the air replacement valve 2 is in a closed state at the moment; the end of giving vent to anger of aerifing the frock can be dismantled and be connected with atmospheric pressure balanced valve 3, and gaseous replacement valve 2 is the open mode this moment, and humidity detection mechanism is close to the valve port setting of gaseous replacement valve 2 simultaneously.
The utility model discloses a theory of operation does: firstly, a new design is carried out on a battery pack structure, an air replacement valve is added, as shown in figure 2, on the premise of realizing the improvement of the structure design, a step of replacing gas in a box is added on the basis of the existing battery pack assembly process, as shown in figure 1. When the battery pack is subjected to sealed assembly of the box body and qualified air tightness detection, the battery pack enters an air replacement process step in the box, an air replacement valve is opened, dry nitrogen or air is introduced into the balance valve, dry air outside the box enters the box through the balance valve, water vapor in the box is discharged from one end of the replacement valve along with the air, as shown in fig. 3, a replacement process is started after a humidity detection device is installed at a replacement valve port, when a detection value of the humidity detection device reaches a preset standard value, the air and the replacement valve are closed, operation is completed, and the battery pack is transferred to a final packaging link.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (3)
1. An air replacement type condensed water prevention battery pack has a battery pack body (1); the battery pack body (1) comprises an upper cover and a box body; the upper cover is connected with the box body in an airtight manner; the method is characterized in that: a gas replacement valve (2) and a gas pressure balance valve (3) are arranged on one side of the box body of the battery pack body (1); the air pressure balance valve (3) is an air inlet, and the air pressure balance valve (3) is connected with the box body in an air-tight manner; the gas replacement valve (2) is a gas outlet, and the gas replacement valve (2) is connected with the box body in an airtight mode.
2. The air replacement type condensation water prevention battery pack according to claim 1, wherein: and the box body is filled with dry nitrogen or air.
3. A humidity detecting system for an air replacement type condensation preventing battery pack according to claim 1, characterized in that: the device comprises an air tightness detection mechanism, an inflation tool and a humidity detection mechanism; the air outlet end of the air tightness detection mechanism is detachably connected with the air pressure balance valve (3), and the air replacement valve (2) is in a closed state at the moment; the air outlet end of the inflation tool is detachably connected with the air pressure balance valve (3), the air replacement valve (2) is in an open state, and meanwhile the humidity detection mechanism is arranged close to the valve port of the air replacement valve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921917642.2U CN210926071U (en) | 2019-11-08 | 2019-11-08 | Air replacement type condensation water prevention battery pack and humidity detection system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921917642.2U CN210926071U (en) | 2019-11-08 | 2019-11-08 | Air replacement type condensation water prevention battery pack and humidity detection system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210926071U true CN210926071U (en) | 2020-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921917642.2U Expired - Fee Related CN210926071U (en) | 2019-11-08 | 2019-11-08 | Air replacement type condensation water prevention battery pack and humidity detection system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210926071U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112216880A (en) * | 2020-09-24 | 2021-01-12 | 中国电子科技集团公司第十八研究所 | Zinc-silver reserve battery manufacturing method based on humidity control and zinc-silver reserve battery |
| CN115458852A (en) * | 2021-06-09 | 2022-12-09 | 宇通客车股份有限公司 | Condensation inhibition battery system and vehicle |
-
2019
- 2019-11-08 CN CN201921917642.2U patent/CN210926071U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112216880A (en) * | 2020-09-24 | 2021-01-12 | 中国电子科技集团公司第十八研究所 | Zinc-silver reserve battery manufacturing method based on humidity control and zinc-silver reserve battery |
| CN115458852A (en) * | 2021-06-09 | 2022-12-09 | 宇通客车股份有限公司 | Condensation inhibition battery system and vehicle |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200703 Termination date: 20201108 |