CN114300697A - Zinc-silver reserve battery air pressure balancing device - Google Patents
Zinc-silver reserve battery air pressure balancing device Download PDFInfo
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- CN114300697A CN114300697A CN202111645332.1A CN202111645332A CN114300697A CN 114300697 A CN114300697 A CN 114300697A CN 202111645332 A CN202111645332 A CN 202111645332A CN 114300697 A CN114300697 A CN 114300697A
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- gas
- liquid separator
- liquid
- zinc
- balancing device
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- BSWGGJHLVUUXTL-UHFFFAOYSA-N silver zinc Chemical compound [Zn].[Ag] BSWGGJHLVUUXTL-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 98
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract description 5
- 230000000717 retained effect Effects 0.000 abstract description 3
- 239000003792 electrolyte Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Filling, Topping-Up Batteries (AREA)
Abstract
A zinc-silver reserve battery air pressure balancing device comprises a battery stack, a gas-liquid separator and a one-way pressure control valve; the gas-liquid separator is arranged on the shell of the cell stack and is communicated with the exhaust hole of the cell stack; the one-way pressure control valve is arranged in an air outlet of the gas-liquid separator. The gas-liquid separator is arranged on the cell stack and communicated with the exhaust hole on the cell stack, so that mixed gas-liquid flow in the cell is separated, liquid is retained in the gas-liquid separator, and gas is exhausted; the one-way pressure control valve is arranged in the gas outlet of the gas-liquid separator, so that the gas in the gas-liquid separator can be discharged, and the pressure in the battery pack is balanced. The device has the advantages of ensuring the normal output of the voltage of the zinc-silver reserve battery, improving the insulation performance of the battery and the working reliability of the battery, along with simple structure, convenient processing and wide application prospect.
Description
Technical Field
The invention relates to the technical field of zinc-silver reserve batteries, in particular to a zinc-silver reserve battery air pressure balancing device.
Background
The zinc-silver reserve battery is a chemical power supply with high specific energy and specific power, has the advantages of large current long-time discharge, long storage life, small internal resistance, stable discharge voltage, stable electrical property, high safety, high reliability, no maintenance and the like, and is widely applied to weaponry. The reliability of the battery is directly related to the success or failure of the weapon equipment test.
When the zinc-silver reserve battery is activated, the electrolyte stored in the liquid storage tank is pushed into the battery stack by high-pressure gas, the electrolyte is distributed to each single battery through an electrolyte distribution system in the battery stack, once the internal pressure is too high, the electrolyte cannot be rapidly distributed, the voltage output is abnormal, the battery cannot normally work, and if redundant liquid is thrown out of the battery stack, the insulation performance of the battery can be influenced. The air pressure balancing device of the zinc-silver reserve battery needs to be reasonably designed, so that the battery can work normally effectively, and the reliability of the battery is improved.
Disclosure of Invention
The invention mainly aims to provide a zinc-silver reserve battery air pressure balancing device, and aims to solve the technical problems.
In order to achieve the purpose, the invention provides a zinc-silver reserve battery air pressure balancing device, which comprises a battery stack, a gas-liquid separator and a one-way pressure control valve; the gas-liquid separator is arranged on the shell of the cell stack and is communicated with the exhaust hole of the cell stack; the one-way pressure control valve is arranged in an air outlet of the gas-liquid separator.
Preferably, the air pressure balancing device further comprises a liquid collector; the liquid collector is communicated with the air outlet of the gas-liquid separator.
Preferably, the liquid collector has an open cavity, and the interior of the cavity is filled with a liquid-absorbing porous medium.
Preferably, the liquid collector is adhesively mounted to the top surface of the stack.
Preferably, the gas-liquid separator is mounted on a side surface of the cell stack by bonding.
Preferably, the one-way pressure control valve is installed in the air outlet of the gas-liquid separator in a threaded connection manner.
Preferably, the gas-liquid separator is internally provided with a zigzag special-shaped cavity structure.
Preferably, a plurality of transverse division bars are arranged in the inner cavity of the gas-liquid separator, and the transverse division bars divide the inner cavity of the gas-liquid separator into a zigzag channel structure.
Preferably, the number of the gas-liquid separator is one or more.
Preferably, the number of the air outlets on the gas-liquid separator is one or more, and each air outlet is provided with a one-way pressure control valve.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
(1) the gas-liquid separator is arranged on the cell stack and communicated with the exhaust hole on the cell stack, so that mixed gas-liquid flow in the cell is separated, liquid is retained in the gas-liquid separator, and gas is exhausted; the one-way pressure control valve is arranged in the gas outlet of the gas-liquid separator, so that the gas in the gas-liquid separator can be discharged, and the pressure in the battery pack is balanced.
(2) According to the invention, the liquid collector is arranged, and the liquid-absorbing porous medium is filled in the liquid collector, so that a small amount of liquid carried out from the gas discharged by the gas-liquid separator can be collected, and further, the phenomenon that the insulation performance of the battery is influenced by the fact that redundant liquid is pumped out of the battery pile is avoided.
(3) The balancing device provided by the invention can effectively balance the internal pressure of the battery stack, ensure the normal output of the voltage of the zinc-silver reserve battery, improve the insulating property of the battery and improve the working reliability of the battery. The device has the advantages of simple structure, convenient processing and wide application prospect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a zinc-silver reserve battery air pressure balancing device provided by the invention;
FIG. 2 is a schematic view showing the structure of a gas-liquid separator according to the present invention;
FIG. 3 is a schematic structural view of a one-way pressure control valve according to the present invention;
FIG. 4 is a front view of a liquid collector of the present invention;
FIG. 5 is a top view of a liquid collector according to the present invention;
the reference numbers illustrate: 1-a cell stack; 2-a gas-liquid separator; 201-transverse parting strip; 3-one-way pressure control valve; 4-liquid collector.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
As shown in fig. 1, the zinc-silver reserve battery air pressure balancing device comprises a battery stack 1, a gas-liquid separator 2 and a one-way pressure control valve 3; the gas-liquid separator 2 is arranged on the shell of the cell stack 1, and the gas-liquid separator 2 is communicated with the exhaust hole of the cell stack 1; the one-way pressure control valve 3 is arranged in the air outlet of the gas-liquid separator 2. The air pressure balancing device also comprises a liquid collector 4; the liquid collector 4 is communicated with the air outlet of the gas-liquid separator 2. The liquid collector 4 is mounted on the top surface of the stack 1 by means of adhesive bonding. The gas-liquid separator 2 is mounted on the side surface of the cell stack 1 by means of bonding. The one-way pressure control valve 3 is installed in the air outlet of the gas-liquid separator 2 in a threaded connection mode.
The gas-liquid separator 2 can separate mixed gas-liquid flow in the battery, liquid is left in the separator, and gas is discharged. The one-way pressure control valve 3 can discharge the gas in the gas-liquid separator 2 to equalize the pressure in the battery pack.
As shown in fig. 4 and 5, the liquid collector 4 has an open cavity, and the inside of the cavity is filled with a liquid-absorbing porous medium (the liquid-absorbing porous medium is not shown in the figure). The shape of the open cavity is adopted, so that the liquid-absorbing porous medium can be conveniently put in or taken out. As shown in connection with fig. 1, the liquid collector 4 covers the one-way pressure control valve 3 for collecting a small amount of liquid following the gas.
As shown in fig. 2, the inside of the gas-liquid separator 2 is provided with a zigzag shaped cavity structure. Specifically, a plurality of transverse division bars 201 are arranged in the inner cavity of the gas-liquid separator 2, and the transverse division bars 201 divide the inner cavity of the gas-liquid separator 2 into a zigzag channel structure. The special-shaped cavity structure can increase the surface area of the inner cavity of the gas-liquid separator 2 and is used for improving the gas-liquid separation efficiency.
The number of the gas-liquid separator 2 is one or more, and can be set according to the actual situation of the cell stack 1. The number of the air outlets on the gas-liquid separator 2 is one or more, and each air outlet is provided with a one-way pressure control valve 3.
The working principle of the invention is as follows: the zinc-silver reserve battery pack can generate high-pressure gas when activated, gas-liquid mixed flow is formed after the high-pressure gas passes through a liquid storage tank, the pressure in the battery stack 1 can be increased after the gas-liquid mixed flow enters the gas-liquid separator 2 through an exhaust hole in the battery stack 1 for separation, the liquid is retained in the gas-liquid separator 2, the one-way pressure control valve 3 is arranged in an air outlet of the gas-liquid separator 2, the gas in the gas-liquid separator 2 is exhausted, and the pressure in the battery pack is balanced. The gas discharged from the gas-liquid separator 2 enters the liquid collector 4, and a small amount of liquid carried out by the gas discharged from the gas-liquid separator 2 can be collected through the rapid liquid absorption porous medium in the gas collector, so that the phenomenon that the insulation performance of the battery is influenced when the redundant liquid is discharged out of the battery pile is further avoided. The air pressure balancing device provided by the invention can quickly and effectively balance the internal pressure of the cell stack 1, so that the liquid in the cell stack 1 is quickly and uniformly distributed, the redundant liquid can be effectively absorbed, the redundant gas is discharged, the voltage output capability of the cell is improved, and the insulation reliability of the cell is ensured.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents made by the contents of the present specification and drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A zinc-silver reserve battery air pressure balancing device is characterized in that: comprises a cell stack (1), a gas-liquid separator (2) and a one-way pressure control valve (3); the gas-liquid separator (2) is arranged on the shell of the cell stack (1), and the gas-liquid separator (2) is communicated with the exhaust hole of the cell stack (1); the one-way pressure control valve (3) is arranged in the air outlet of the gas-liquid separator (2).
2. The zinc-silver reserve cell air pressure balancing device of claim 1, wherein: also comprises a liquid collector (4); the liquid collector (4) is communicated with the air outlet of the gas-liquid separator (2).
3. The zinc-silver reserve cell air pressure balancing device of claim 2, wherein: the liquid collector (4) is provided with an open cavity, and the inside of the cavity is filled with a liquid-absorbing porous medium.
4. The zinc-silver reserve cell air pressure balancing device of claim 2, wherein: the liquid collector (4) is mounted on the top surface of the cell stack (1) in an adhesive manner.
5. The zinc-silver reserve cell air pressure balancing device of claim 1, wherein: the gas-liquid separator (2) is arranged on the side surface of the cell stack (1) in an adhesion mode.
6. The zinc-silver reserve cell air pressure balancing device of claim 1, wherein: the one-way pressure control valve (3) is installed in the air outlet of the gas-liquid separator (2) in a threaded connection mode.
7. The zinc-silver reserve cell air pressure balancing device of claim 1, wherein: the gas-liquid separator (2) is internally provided with a zigzag special-shaped cavity structure.
8. The zinc-silver reserve cell air pressure balancing device of claim 7, wherein: the inner cavity of the gas-liquid separator (2) is internally provided with a plurality of transverse division bars (201), and the transverse division bars (201) divide the inner cavity of the gas-liquid separator (2) into zigzag channel structures.
9. The zinc-silver reserve cell air pressure balancing device of claim 1, wherein: the number of the gas-liquid separators (2) is one or more.
10. The zinc-silver reserve cell air pressure balancing device of claim 1, wherein: the number of the air outlets on the gas-liquid separator (2) is one or more, and each air outlet is provided with a one-way pressure control valve (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111645332.1A CN114300697A (en) | 2021-12-29 | 2021-12-29 | Zinc-silver reserve battery air pressure balancing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111645332.1A CN114300697A (en) | 2021-12-29 | 2021-12-29 | Zinc-silver reserve battery air pressure balancing device |
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| Publication Number | Publication Date |
|---|---|
| CN114300697A true CN114300697A (en) | 2022-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111645332.1A Pending CN114300697A (en) | 2021-12-29 | 2021-12-29 | Zinc-silver reserve battery air pressure balancing device |
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| CN (1) | CN114300697A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114937776A (en) * | 2022-05-30 | 2022-08-23 | 九环储能科技有限公司 | Safety barrier blasting method for thermal runaway of immersed chemical energy storage device |
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|---|---|---|---|---|
| CN201877521U (en) * | 2010-11-29 | 2011-06-22 | 北京临近空间飞行器系统工程研究所 | Automatic activation type lithium-sulphur battery pack |
| JP2014049340A (en) * | 2012-08-31 | 2014-03-17 | Daihatsu Motor Co Ltd | Fuel cell system |
| CN206063834U (en) * | 2016-09-13 | 2017-04-05 | 北汽福田汽车股份有限公司 | Separate System of Water-jet and vehicle |
| JP2019217895A (en) * | 2018-06-19 | 2019-12-26 | 本田技研工業株式会社 | Fuel cell vehicle |
| CN113594500A (en) * | 2021-06-18 | 2021-11-02 | 东风汽车集团股份有限公司 | Fuel cell system, control method, control device, and fuel cell |
| CN215184091U (en) * | 2021-06-04 | 2021-12-14 | 广东喜玛拉雅氢能科技有限公司 | Fuel cell system with long service life |
-
2021
- 2021-12-29 CN CN202111645332.1A patent/CN114300697A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201877521U (en) * | 2010-11-29 | 2011-06-22 | 北京临近空间飞行器系统工程研究所 | Automatic activation type lithium-sulphur battery pack |
| JP2014049340A (en) * | 2012-08-31 | 2014-03-17 | Daihatsu Motor Co Ltd | Fuel cell system |
| CN206063834U (en) * | 2016-09-13 | 2017-04-05 | 北汽福田汽车股份有限公司 | Separate System of Water-jet and vehicle |
| JP2019217895A (en) * | 2018-06-19 | 2019-12-26 | 本田技研工業株式会社 | Fuel cell vehicle |
| CN215184091U (en) * | 2021-06-04 | 2021-12-14 | 广东喜玛拉雅氢能科技有限公司 | Fuel cell system with long service life |
| CN113594500A (en) * | 2021-06-18 | 2021-11-02 | 东风汽车集团股份有限公司 | Fuel cell system, control method, control device, and fuel cell |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114937776A (en) * | 2022-05-30 | 2022-08-23 | 九环储能科技有限公司 | Safety barrier blasting method for thermal runaway of immersed chemical energy storage device |
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