CN221007119U - Novel gas circuit detection mechanism - Google Patents
Novel gas circuit detection mechanism Download PDFInfo
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- CN221007119U CN221007119U CN202322862591.0U CN202322862591U CN221007119U CN 221007119 U CN221007119 U CN 221007119U CN 202322862591 U CN202322862591 U CN 202322862591U CN 221007119 U CN221007119 U CN 221007119U
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- 238000001514 detection method Methods 0.000 title claims abstract description 43
- 230000007246 mechanism Effects 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000004880 explosion Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
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- 230000008569 process Effects 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
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- 238000002474 experimental method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- Gas Exhaust Devices For Batteries (AREA)
Abstract
The utility model discloses a novel gas path detection mechanism, which relates to the technical field of detection mechanisms, and comprises a battery cover plate to be detected, wherein the battery cover plate is arranged between a first gas outlet pipe and a third gas outlet pipe, the top surface and the bottom surface of a rupture disk are used for plugging the first gas outlet pipe and the third gas outlet pipe respectively, a second valve and a third valve are opened, the first valve and a fourth valve are closed, gas is led into the third gas outlet pipe through a gas supply assembly, the gas pressure presses the bottom surface of the rupture disk on the battery cover plate, if the rupture disk is undamaged, the battery cover plate meets the use requirement, when the rupture disk cannot bear the pressure and is damaged, the gas in the third gas outlet pipe passes through the battery cover plate and then enters the first gas outlet pipe, and finally flows out through the second gas outlet pipe, so that the trouble that the rupture disk on the battery cover plate is assembled on a battery box to be detected and disassembled is avoided, the time is saved, and the detection efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of detection mechanisms, in particular to a novel gas circuit detection mechanism.
Background
In order to prevent the new energy battery from unexpected explosion event, the damage to the user caused by unexpected explosion of the battery is reduced, an explosion-proof piece is generally required to be installed on a battery cover plate, the damage to human body caused by explosion of the battery is reduced, and during the production and processing of the explosion-proof piece, the pressure detection of the explosion-proof piece is required to be carried out so as to ensure the qualification rate of the explosion-proof piece.
At present, the detection mode of the explosion-proof piece is generally that a battery cover plate is assembled on a battery box at first, the top surface of the explosion-proof piece is directly used for simulating external air pressure, the bottom surface of the explosion-proof piece inside the battery box cannot be detected through the direct air supply mode, the battery is usually detected through short circuit in the simulation actual use process, the internal air pressure of the battery box is increased through short circuit of the battery, the bottom surface of the explosion-proof piece on the battery cover plate is detected, the detection mode of the bottom surface of the explosion-proof piece is complex, the battery cover plate is required to be disassembled and assembled, the time is long, and the detection efficiency is low.
Disclosure of utility model
In order to overcome the defects of the prior art, the utility model provides a novel gas circuit detection mechanism, which aims to solve the problems that the existing bottom surface detection mode of a explosion-proof piece is complex, a battery cover plate needs to be disassembled and assembled, the consumed time is long, and the detection efficiency is low.
In order to solve the technical problems, the utility model provides the following technical scheme: the novel gas circuit detection mechanism is used for detecting explosion-proof pieces on a battery cover plate and comprises a gas feeding component, wherein the gas feeding component is connected with at least one group of detection components, each group of detection components comprises a first gas outlet pipe and a third gas outlet pipe, one end of each detection component is connected with the corresponding first gas outlet pipe, a first valve and a second gas outlet pipe are sequentially arranged on the first gas outlet pipe along the gas flow direction, a third valve and a fourth gas outlet pipe are sequentially arranged on the third gas outlet pipe along the gas flow direction, a second valve is arranged on the second gas outlet pipe, and a fourth valve is arranged on the fourth gas outlet pipe;
The other ends of the first air outlet pipe and the third air outlet pipe are respectively abutted against two sides of the explosion-proof sheet, and projection parts or complete superposition of the air outlet end ports of the first air outlet pipe and the third air outlet pipe on the explosion-proof sheet.
Preferably, the gas supply assembly is connected with at least one connecting pipe, one end of each connecting pipe is connected with a first gas outlet pipe and a third gas outlet pipe, and a pressure sensor is arranged on each connecting pipe.
Preferably, a fifth valve is arranged on the connecting pipe, and the fifth valve and the pressure sensor are sequentially arranged on the connecting pipe along the gas flowing direction.
Preferably, the connecting pipe is provided with a proportional valve.
Preferably, the gas supply assembly comprises a gas storage tank and a booster pump, and at least one connecting pipe is arranged on the gas storage tank.
Preferably, the first valve, the second valve, the third valve, the fourth valve and the fifth valve are all explosion-proof electromagnetic valves.
Compared with the prior art, the utility model has the following beneficial effects:
According to the utility model, the battery cover plate with the explosion-proof piece to be detected is arranged between the first air outlet pipe and the third air outlet pipe, the top surface and the bottom surface of the explosion-proof piece are respectively used for plugging the first air outlet pipe and the third air outlet pipe, the second valve and the third valve are opened, the first valve and the fourth valve are closed, gas is led into the third air outlet pipe through the gas supply component, the gas pressure presses the bottom surface of the explosion-proof piece on the battery cover plate, if the explosion-proof piece is undamaged, the battery cover plate meets the use requirement in production, when the explosion-proof piece cannot bear the pressure and is damaged, the gas in the third air outlet pipe passes through the battery cover plate and then enters the first air outlet pipe, and finally flows out through the second air outlet pipe, so that the gas pressure can be reduced, and particularly, whether the second air outlet pipe is ventilated or not can be sensed manually, thereby the explosion-proof piece on the battery cover plate can be quickly judged to be damaged, the trouble that the battery cover plate is assembled on the battery box to be detected and disassembled is avoided, the time is saved, and the detection efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of the structures of the connecting pipe, the first detecting unit, the second detecting unit, the fifth valve, the proportional valve and the pressure sensor according to the present utility model;
FIG. 3 is a schematic view of the battery cover plate and rupture disc structure of the present utility model;
Wherein: 1. a gas feed assembly; 11. a gas storage tank; 12. a booster pump; 2. a connecting pipe; 3. a first detection unit; 31. a first air outlet pipe; 32. a first valve; 33. a second air outlet pipe; 34. a second valve; 4. a second detection unit; 41. a third air outlet pipe; 42. a third valve; 43. a fourth air outlet pipe; 44. a fourth valve; 5. a fifth valve; 6. a proportional valve; 7. a pressure sensor; 8. a battery cover plate; 81. explosion-proof sheet.
Detailed Description
In order to make the technical means, creation characteristics, achievement purposes and effects achieved by the present utility model easy to understand, the present utility model will be further described with reference to specific examples, but the following examples are only preferred examples of the present utility model, not all examples are based on the embodiments, and other examples obtained by a person skilled in the art without making creative efforts are all within the scope of the present utility model, and experimental methods in the following examples, if not specifically described, are all conventional methods, and materials, reagents, etc. used in the following examples, if not specifically described, may be obtained from commercial sources.
As shown in fig. 1-3, the present utility model provides a novel gas path detection mechanism, which is used for detecting an explosion-proof piece 81 on a battery cover plate 8, wherein the detection mechanism comprises a gas feeding component 1 (the gas feeding component 1 comprises a gas storage tank 11 and a booster pump 12, which are the prior art, not described in detail herein, at least one connecting pipe 2 is arranged on the gas storage tank 11), the gas feeding component 1 is connected with at least one group of detection components, each group of detection components comprises a first detection unit 3 and a second detection unit 4, the first detection unit 3 comprises a first gas outlet pipe 31, the second detection unit 4 comprises a third gas outlet pipe 41, one end of the first gas outlet pipe 31 is connected with one end of the third gas outlet pipe 41, a first valve 32 and a second gas outlet pipe 33 are sequentially arranged on the first gas outlet pipe 31 along the gas flow direction, a third valve 42 and a fourth gas outlet pipe 43 are sequentially arranged on the third gas outlet pipe 41, a second valve 34 is arranged on the second gas outlet pipe 33, and a fourth valve 44 is arranged on the fourth gas outlet pipe 43;
The other ends of the first air outlet pipe 31 and the third air outlet pipe 41 are respectively abutted against two sides of the explosion-proof piece 81, and the projection parts or the complete coincidence of the air outlet end ports of the first air outlet pipe 31 and the third air outlet pipe 41 on the explosion-proof piece 81 (preferably, the air outlet end ports of the first air outlet pipe 31 and the third air outlet pipe 41 are symmetrically arranged on the explosion-proof piece 81 and are in a complete coincidence state at the moment);
As shown in fig. 1 and 2, at least one connecting pipe 2 is connected to the air supply assembly 1, first outlet duct 31 and third outlet duct 41 are all connected to every connecting pipe 2 one end, be equipped with pressure sensor 7 on the connecting pipe 2, can know whether the atmospheric pressure in the connecting pipe 2 changes through pressure sensor 7, thereby judge whether explosion-proof piece 81 appears damaging fast, need not to judge whether explosion-proof piece 81 appears damaging through the whether outlet duct of artificial perception second outlet duct 33 and fourth outlet duct 43 is given vent to anger, and can avoid traditional detecting means unable to confirm the inside atmospheric pressure size of battery case through setting up pressure sensor 7, thereby can confirm that explosion-proof piece 81 of battery apron 8 can bear how big pressure.
When the battery cover plate 8 to be tested is placed between the first air outlet pipe 31 and the third air outlet pipe 41, the air outlet ends of the first air outlet pipe 31 and the third air outlet pipe 41 are respectively abutted with the top surface and the bottom surface of the explosion-proof piece 81 on the battery cover plate 8 (the first air outlet pipe 31 and the third air outlet pipe 41 can be connected with the first air outlet pipe 31 and the third air outlet pipe 41 through the handheld first air outlet pipe 31 and the third air outlet pipe 41 or the lifting mechanism, so that the first air outlet pipe 31 and the third air outlet pipe 41 are respectively abutted with the top surface and the bottom surface of the explosion-proof piece 81), and the lifting mechanism (not shown in the drawing, can be a common cylinder and other structures) is selected to connect the first air outlet pipe 31 and the third air outlet pipe 41;
When the influence of the air pressure generated in the battery on the explosion-proof piece 81 is simulated, namely, the bottom surface of the explosion-proof piece 81 is detected, the second valve 34, the third valve 42 and the fifth valve 5 are opened, the first valve 32 and the fourth valve 44 are closed, the air in the air storage tank 11 is led into the connecting pipe 2 through the booster pump 12, after a certain air pressure is given (the specific air pressure in the connecting pipe 2 can be specifically sensed through the pressure sensor 7), the fifth valve 5 is closed, the air supply to the connecting pipe 2 is stopped, at the moment, the connecting pipe 2 and the third air outlet pipe 41 are in a constant pressure state, and the air pressure presses the bottom surface of the explosion-proof piece 81 on the battery cover plate 8;
If the explosion-proof piece 81 is not damaged, the production of the battery cover plate 8 meets the use requirement, meanwhile, in the ventilation process, whether the production of the explosion-proof piece 81 is qualified or not can be judged by sensing whether the second air outlet pipe 33 leaks or not, if the explosion-proof piece 81 leaks just after ventilation, the explosion-proof piece 81 is damaged, and is an unqualified product, and the subsequent continuous ventilation and pressurization work is not needed at the moment;
When the explosion-proof piece 81 can not bear pressure and breakage occurs or the production and processing quality of the explosion-proof piece 81 is unqualified, gas in the third gas outlet pipe 41 can pass through the battery cover plate 8 and then enter the first gas outlet pipe 31, and finally flows out through the second gas outlet pipe 33, so that the gas pressure can be reduced, and whether the second gas outlet pipe 33 is in gas outlet or not can be sensed manually, preferably, the pressure sensor 7 senses the pressure reduction, so that the situation that the explosion-proof piece 81 on the battery cover plate 8 is damaged and the production quality of the explosion-proof piece 81 is qualified can be rapidly judged, the traditional trouble that the battery cover plate 8 is assembled on a battery box to be detected and disassembled is avoided, the time is saved, and the detection efficiency is improved.
On the contrary, when the external air pressure of the battery is simulated to influence the explosion-proof piece 81 or not, namely, when the top surface of the explosion-proof piece 81 is detected, the air needs to be re-supplied, the first valve 32, the fourth valve 44 and the fifth valve 5 are opened, the second valve 34 and the third valve 42 are closed, the air in the air storage tank 11 is led into the connecting pipe 2 through the booster pump 12, the air pressure in the connecting pipe 2 is sensed through the pressure sensor 7, when a certain air pressure is given (specifically, according to the model selection of the battery cover plate 8 (namely, the explosion-proof piece 81)), the fifth valve 5 is closed, the air supply to the connecting pipe 2 is stopped, at the moment, the constant pressure state is formed between the connecting pipe 2 and the first air outlet pipe 31, and the air pressure presses the top surface of the explosion-proof piece 81 on the battery cover plate 8;
as shown in fig. 1 and 2, a fifth valve 5 is provided on the connection pipe 2, and the fifth valve 5 and the pressure sensor 7 are sequentially provided on the connection pipe 2 along the gas flow direction;
Through setting up fifth valve 5, can make every group detection component carry out the detection work that detects the rupture disk 81 on the battery apron 8 of different models alone, when letting in the gaseous of certain atmospheric pressure to the connecting pipe 2 on a set of detection component, close the fifth valve 5 on this detection component, then this connecting pipe 2 is the same to the atmospheric pressure in this section of first outlet duct 31 or third outlet duct 41, can follow-up to let in the connecting pipe 2 of other group detection components other atmospheric pressures gas, simultaneously also can detect the rupture disk 81 on a plurality of battery laps 8 of same model simultaneously, only need synchronous opening a plurality of fifth valves 5 can, so make the suitability of device wider.
If the explosion-proof piece 81 is not damaged, the production of the battery cover plate 8 meets the use requirement;
When the explosion-proof sheet 81 cannot bear the pressure and is damaged, the gas in the first air outlet pipe 31 passes through the battery cover plate 8 and then enters the third air outlet pipe 41, and finally flows out through the fourth air outlet pipe 43, so that the air pressure can be reduced, and whether the second air outlet pipe 33 is out or not can be sensed manually, preferably, the pressure sensor 7 senses the pressure reduction, and the explosion-proof sheet 81 on the battery cover plate 8 can be rapidly judged to be damaged.
As shown in fig. 1 and 2, a proportional valve 6 is arranged on the connecting pipe 2;
The flow of the gas can be controlled through the proportional valve 6 to enable the gas to slowly reach the required air pressure, so that accurate air pressure supply is realized.
The first valve 32, the second valve 34, the third valve 42, the fourth valve 44 and the fifth valve 5 are here chosen to be explosion-proof solenoid valves.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The novel gas circuit detection mechanism is used for detecting an explosion-proof piece (81) on a battery cover plate (8), and comprises a gas feeding component (1), and is characterized in that the gas feeding component (1) is connected with at least one group of detection components, each group of detection components comprises a first gas outlet pipe (31) and a third gas outlet pipe (41) which are connected at one end, a first valve (32) and a second gas outlet pipe (33) are sequentially arranged on the first gas outlet pipe (31) along the gas flow direction, a third valve (42) and a fourth gas outlet pipe (43) are sequentially arranged on the third gas outlet pipe (41) along the gas flow direction, a second valve (34) is arranged on the second gas outlet pipe (33), and a fourth valve (44) is arranged on the fourth gas outlet pipe (43);
The other ends of the first air outlet pipe (31) and the third air outlet pipe (41) are respectively abutted to two sides of the explosion-proof piece (81), and projection parts or complete superposition of air outlet end ports of the first air outlet pipe (31) and the third air outlet pipe (41) on the explosion-proof piece (81) are achieved.
2. The novel gas circuit detection mechanism of claim 1, wherein: the air supply assembly (1) is connected with at least one connecting pipe (2), one end of each connecting pipe (2) is connected with a first air outlet pipe (31) and a third air outlet pipe (41), and a pressure sensor (7) is arranged on each connecting pipe (2).
3. The novel gas circuit detection mechanism according to claim 2, wherein: the connecting pipe (2) is provided with a fifth valve (5), and the fifth valve (5) and the pressure sensor (7) are sequentially arranged on the connecting pipe (2) along the gas flowing direction.
4. A novel gas circuit detection mechanism according to claim 3, wherein: the connecting pipe (2) is provided with a proportional valve (6).
5. The novel gas circuit detection mechanism according to claim 2, wherein: the air supply assembly (1) comprises an air storage tank (11) and a booster pump (12), and at least one connecting pipe (2) is arranged on the air storage tank (11).
6. A novel gas circuit detection mechanism according to claim 3, wherein: the first valve (32), the second valve (34), the third valve (42), the fourth valve (44) and the fifth valve (5) are all explosion-proof electromagnetic valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322862591.0U CN221007119U (en) | 2023-10-25 | 2023-10-25 | Novel gas circuit detection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322862591.0U CN221007119U (en) | 2023-10-25 | 2023-10-25 | Novel gas circuit detection mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN221007119U true CN221007119U (en) | 2024-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322862591.0U Active CN221007119U (en) | 2023-10-25 | 2023-10-25 | Novel gas circuit detection mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN221007119U (en) |
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2023
- 2023-10-25 CN CN202322862591.0U patent/CN221007119U/en active Active
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