CN218385626U - Moisture absorption and moisture removal valve for battery system - Google Patents
Moisture absorption and moisture removal valve for battery system Download PDFInfo
- Publication number
- CN218385626U CN218385626U CN202222141721.7U CN202222141721U CN218385626U CN 218385626 U CN218385626 U CN 218385626U CN 202222141721 U CN202222141721 U CN 202222141721U CN 218385626 U CN218385626 U CN 218385626U
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- CN
- China
- Prior art keywords
- moisture
- valve body
- valve
- moisture absorption
- opening
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- 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.)
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 44
- 230000000903 blocking effect Effects 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 7
- 238000013022 venting Methods 0.000 claims description 2
- 238000009833 condensation Methods 0.000 abstract description 3
- 230000005494 condensation Effects 0.000 abstract description 3
- 238000009423 ventilation Methods 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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 a ventilation valve technical field specifically provides a moisture absorption hydrofuge valve of battery system, include: the valve body is provided with an air inlet; the shaft body is movably arranged in the valve body, a moisture circulation cavity is formed between the shaft body and the valve body, and the valve body and the shaft body are also connected with a spring device; the moisture absorption expansion part is sleeved on the shaft body and is positioned in the moisture circulation cavity; the shaft body comprises a blocking part and a resetting part which are arranged in parallel, and also comprises a connecting part arranged at the axis of the valve body, and the blocking part is connected with the resetting part through the connecting part; the utility model discloses a moisture absorption inflation portion absorbs the moisture in the battery package, and then discharges, guarantees that the humidity in the package maintains lower level, lowers the condensation risk in the battery package.
Description
Technical Field
The utility model relates to a ventilation valve technical field, concretely relates to moisture absorption hydrofuge valve structure of battery system.
Background
The existing explosion-proof valve/vent valve for the power battery pack maintains the balance between the pressure inside the pack and the pressure outside the pack, although the existing explosion-proof valve/vent valve is impermeable, the existing explosion-proof valve/vent valve cannot completely isolate water vapor and cannot remove moisture in the humid air inside the battery pack, and when the humidity in the battery pack is maintained at a high level, condensation can be generated to influence the normal work of the battery pack.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a moisture absorption and moisture removal valve of a battery system, which solves the technical problems;
a battery system moisture absorbing and venting valve comprising:
the valve body is provided with an air inlet;
the shaft body is movably arranged in the valve body, a moisture circulation cavity is formed between the shaft body and the valve body, and the valve body and the shaft body are also connected with a spring device;
and the moisture absorption expansion part is sleeved on the shaft body and is positioned in the moisture circulation cavity.
Preferably, the shaft body includes a separation portion and a reset portion that parallel arrangement, still includes one and locates the connecting portion of the axle center department of valve body, separation portion with reset portion passes through connecting portion connect.
Preferably, a first opening and a second opening are formed in the valve body, the blocking portion is arranged at the first opening, the blocking portion is matched with the first opening in shape, one end of the connecting portion is located in the valve body, and the other end of the connecting portion extends out of the second opening to be connected with the reset portion located outside the valve body.
Preferably, a first sealing ring connected with the valve body is arranged on the blocking part.
Preferably, the moisture absorption expansion part is a circular cylindrical structure sleeved on the connecting part, and the moisture absorption expansion part is formed by overlapping a plurality of circular moisture absorption expansion rings.
Preferably, the valve body includes a shoulder portion, one end of the moisture absorption expansion portion is connected to the blocking portion, and the other end of the moisture absorption expansion portion is connected to the shoulder portion.
Preferably, one end of the spring device is connected to the shoulder, and the other end of the spring device is connected to the reset portion.
Preferably, the valve body further comprises a neck portion, the neck portion is connected with the shoulder portion, the second opening is formed in one end of the neck portion, and the other end of the neck portion is communicated with the moisture circulation cavity.
Preferably, the side wall of the neck is provided with the air inlet hole.
Preferably, the connecting portion is disposed to penetrate through the neck portion, and a second sealing ring connected to the neck portion is disposed on the connecting portion.
The utility model has the advantages that: due to the adoption of the technical scheme, the utility model discloses absorb the moisture in the battery package, then discharge, guarantee that the humidity in the package maintains lower level, reduce the condensation risk in the battery package.
Drawings
FIG. 1 is a sectional view showing the structure of a moisture absorption and discharge valve according to an embodiment of the present invention;
fig. 2 is a sectional view showing a moisture-discharging state of the moisture-absorbing moisture-discharging valve according to the embodiment of the present invention.
In the drawings: 1. a valve body; 11. an air intake; 12. a first opening; 13. a second opening; 14. a shoulder portion; 15. a neck portion; 2. a shaft body; 21. a blocking section; 22. a connecting portion; 23. a reset section; 3. a spring device; 4. a moisture-absorbing expansion section; 5. a first seal ring; 6. and a second seal ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
A moisture absorption and discharge valve for a battery system, as shown in fig. 1, comprising:
the valve body 1, the valve body 1 is equipped with the inlet port 11;
the shaft body 2 can be movably arranged in the valve body 1, a moisture circulation cavity is formed by the shaft body 2 and the valve body 1, and the valve body 1 and the shaft body 2 are further connected with a spring device 3;
and a moisture absorption expansion part 4 which is sleeved on the shaft body 2 and is positioned in the moisture circulation cavity.
Specifically, the utility model provides a moisture absorption hydrofuge valve is applicable to battery package equipment, and valve body 1 sets up on the shell of a battery package, the outside of first opening 12 intercommunication battery package of valve body 1, the inside of second opening 13 intercommunication battery package of valve body 1.
Specifically, the utility model discloses by inlet port 11, moisture circulation chamber, moisture absorption inflation portion 4 and valve body 1 constitute the route of hydrofuge jointly, and the moisture gets into the moisture circulation chamber through inlet port 11, and the valve body 1 outside of discharging after being adsorbed by moisture absorption inflation portion 4.
In a preferred embodiment, the cross section of the shaft body 2 is "H" shaped, and includes a blocking portion 21 and a resetting portion 23 which are arranged in parallel, and further includes a connecting portion 22 arranged at the axis of the valve body 1, and the blocking portion 21 and the resetting portion 23 are connected through the connecting portion 22.
Specifically, a first opening 12 and a second opening 13 are formed in the valve body 1, the blocking portion 21 is arranged at the first opening 12, the shape of the blocking portion 21 is matched with that of the first opening 12, one end of the connecting portion 22 is located in the valve body 1, and the other end of the connecting portion 22 extends out of the second opening 13 and is connected with a resetting portion 23 located outside the valve body 1; preferably, the blocking portion 21 is used for blocking external moisture from entering the battery pack, and the reset portion 23 drives the blocking portion 21 to reset under the elastic force of the spring device 3 after the moisture is discharged, so that the interior of the valve body 1 is disconnected from the exterior of the battery pack.
Furthermore, a first sealing ring 5 connected with the valve body 1 is arranged on the blocking part 21; specifically, the first seal ring 5 serves to block moisture and moves along with the blocking portion 21.
In a preferred embodiment, the valve body 1 comprises a shoulder portion 14, one end of the moisture absorption expansion portion 4 is connected with the blocking portion 21, and the other end of the moisture absorption expansion portion 4 is connected with the shoulder portion 14; specifically, the utility model discloses a moisture absorption inflation portion 4 is ring shape tubular structure, the moisture absorption inflation material expansion rate that moisture absorption inflation portion adopted can reach 1.5 ~ 2 times, moisture absorption inflation portion 4 comprises the stack of the flaky small-size moisture absorption inflation material of a plurality of rings, its inflation direction is preferred to be the inflation on the thickness, it is more excellent in this embodiment, moisture absorption inflation portion 4 is whole to overlap on connecting portion 22, can make moisture absorption inflation portion 4 only follow the production inflation deformation of the axis direction of valve body 1 under the limiting displacement of axis body 2 and valve body 1.
Specifically, one end of the spring device 3 is connected to the shoulder 14, and the other end of the spring device 3 is connected to the reset portion 23.
In a preferred embodiment, the valve body 1 further comprises a neck portion 15, the neck portion 15 is connected to the shoulder portion 14, one end of the neck portion 15 is provided with the second opening 13, and the other end of the neck portion 15 is communicated with the moisture circulation chamber.
Specifically, an air inlet 11 is opened on the side wall of the neck portion 15, the connecting portion 22 is disposed through the neck portion 15, and the second sealing ring 6 connected with the neck portion 15 is disposed on the connecting portion 22.
In a preferred embodiment, as shown in fig. 1 and fig. 2, the specific working process of the present invention is as follows: moisture in the battery pack enters the moisture circulation cavity through the air inlet hole 11, the moisture absorption expansion part 4 expands after absorbing the moisture and drives the shaft body 2 to move towards the outside of the battery pack, the first sealing ring 5 is pushed out of the pack along with the blocking part 21, and the moisture absorption expansion part 4 is communicated with the outside of the battery pack so as to discharge the moisture; preferably, in the process that axis body 2 removed, inlet port 11 can be plugged up to second sealing washer 6, and moisture can't get into the moisture circulation intracavity this moment, and the moisture inflation portion 4 relies on the remaining moisture in the moisture circulation intracavity to continue the inflation, and second sealing washer 6 continues to remove to the battery package outside, prevents moisture entering moisture circulation intracavity simultaneously.
Further, when moisture absorption expansion portion 4 is pushed out the separation portion 21 in the package, drive the direction of reset portion 23 towards the battery package outside and remove, reset portion 23 extrusion spring assembly 3 this moment, spring assembly 3 contracts, provide the elasticity that is used for the axis body 2 to reset to resetting means, after moisture discharges, moisture absorption expansion portion 4 contracts, spring assembly 3's elasticity drives axis body 2 and moves towards the inside direction of battery package, separation portion 21 and first sealing washer 5 return to first exit, disconnection moisture absorption expansion portion 4 and outside intercommunication, reset portion 23 returns to initial position, make valve body 1 and the inside intercommunication of battery package, a duty cycle execution of moisture absorption hydrofuge valve is accomplished this moment.
Specifically, in the present embodiment, the moisture absorption expansion portion 4 discharges moisture by evaporation, but in other embodiments, a heating device may be added outside the battery pack to increase the moisture discharge speed as needed.
The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.
Claims (10)
1. A battery system moisture absorption and discharge valve comprising:
the valve body is provided with an air inlet;
the shaft body is movably arranged in the valve body, a moisture circulation cavity is formed between the shaft body and the valve body, and the valve body and the shaft body are also connected with a spring device;
and the moisture absorption expansion part is sleeved on the shaft body and is positioned in the moisture circulation cavity.
2. The moisture absorption and discharge valve as claimed in claim 1, wherein the shaft body comprises a blocking portion and a resetting portion which are arranged in parallel, and further comprises a connecting portion arranged at the axis of the valve body, and the blocking portion and the resetting portion are connected through the connecting portion.
3. The moisture absorbing and discharging valve according to claim 2, wherein said valve body has a first opening and a second opening, said blocking portion is disposed at said first opening, said blocking portion has a shape adapted to the shape of said first opening, one end of said connecting portion is located in said valve body, and the other end of said connecting portion extends out of said second opening and is connected to said reset portion located outside said valve body.
4. The moisture absorption and discharge valve as claimed in claim 3, wherein the blocking portion is provided with a first sealing ring connected to the valve body.
5. The moisture absorption and discharge valve according to claim 2, wherein said moisture absorption and expansion portion is a circular cylindrical structure sleeved on said connecting portion, and said moisture absorption and expansion portion is formed by stacking a plurality of circular sheet-shaped moisture absorption and expansion rings.
6. The moisture absorbing and discharging valve as claimed in claim 3, wherein said valve body includes a shoulder portion, one end of said moisture absorbing and expanding portion is connected to said blocking portion, and the other end of said moisture absorbing and expanding portion is connected to said shoulder portion.
7. The moisture absorbing and discharging valve as recited in claim 6, wherein one end of said spring means is connected to said shoulder portion and the other end of said spring means is connected to said reset portion.
8. The moisture absorbing and venting valve as claimed in claim 6, further comprising a neck portion connected to the shoulder portion, wherein one end of the neck portion is opened with the second opening, and the other end of the neck portion is connected to the moisture passage chamber.
9. The moisture absorption and release valve as recited in claim 8, wherein said air inlet hole is opened on a side wall of said neck portion.
10. The moisture absorbing and discharging valve as claimed in claim 8, wherein said connecting portion is disposed through said neck portion, and a second sealing ring is disposed on said connecting portion and connected to said neck portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222141721.7U CN218385626U (en) | 2022-08-15 | 2022-08-15 | Moisture absorption and moisture removal valve for battery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222141721.7U CN218385626U (en) | 2022-08-15 | 2022-08-15 | Moisture absorption and moisture removal valve for battery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218385626U true CN218385626U (en) | 2023-01-24 |
Family
ID=84967557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222141721.7U Active CN218385626U (en) | 2022-08-15 | 2022-08-15 | Moisture absorption and moisture removal valve for battery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218385626U (en) |
-
2022
- 2022-08-15 CN CN202222141721.7U patent/CN218385626U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20240313 Granted publication date: 20230124 |
|
| PP01 | Preservation of patent right |