CN221325825U - Helium detection gas circuit main pumping control system - Google Patents
Helium detection gas circuit main pumping control system Download PDFInfo
- Publication number
- CN221325825U CN221325825U CN202323354318.3U CN202323354318U CN221325825U CN 221325825 U CN221325825 U CN 221325825U CN 202323354318 U CN202323354318 U CN 202323354318U CN 221325825 U CN221325825 U CN 221325825U
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- China
- Prior art keywords
- helium
- gas
- air
- pipeline
- recovery
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- 239000001307 helium Substances 0.000 title claims abstract description 100
- 229910052734 helium Inorganic materials 0.000 title claims abstract description 100
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 title claims abstract description 97
- 239000007789 gas Substances 0.000 title claims abstract description 47
- 238000001514 detection method Methods 0.000 title claims abstract description 29
- 238000005086 pumping Methods 0.000 title claims abstract description 15
- 238000007599 discharging Methods 0.000 claims abstract description 7
- 238000004064 recycling Methods 0.000 claims abstract description 6
- 238000011084 recovery Methods 0.000 claims description 38
- 238000007789 sealing Methods 0.000 claims description 20
- 238000012544 monitoring process Methods 0.000 claims 2
- 230000001105 regulatory effect Effects 0.000 abstract 2
- 238000000605 extraction Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002371 helium Chemical class 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses a main pumping control system of a helium detection gas path, which comprises a helium tank, a compressor, a helium filling pipeline, a gas filling interface, a vacuum interface, a gas exhaust pipeline, a vacuum pump, a gas breaking valve, a gas exhaust valve and a helium discharging valve, wherein the vacuum pump is connected with the vacuum interface through the gas exhaust pipeline, the vacuum interface is communicated with a sealed box of a product to be detected, the gas exhaust pipeline is started to exhaust air in the sealed box, the helium tank stores helium gas which is introduced by the compressor at high pressure, the helium tank is communicated with the helium filling pipeline, the system adopts the compressor to reserve high-pressure helium gas for the gas tank, so that the high-pressure helium gas can be conveniently and rapidly introduced into the product to be detected, the sealed box of the product to be detected is vacuumized by adopting the vacuum pump, the gas filling pressure can be regulated through a plurality of gas valves, the gas exhaust pressure can be regulated, and the gas recycling module is used for recycling the helium gas, and the system is energy-saving, environment-friendly, and suitable for the gas tightness detection of the product with various performance requirements, practical and convenient.
Description
Technical Field
The utility model relates to the technical field of detection equipment, in particular to a helium detection gas circuit main pumping control system.
Background
The air tightness detection is very suitable for products with extremely high requirements on sealing performance, and is realized by carrying out omnibearing sealing on the product to be detected, forming a closed cavity, vacuumizing the space on one side, filling detection gas on the other side, and detecting the change of air pressure, so that the detection of the sealing performance is realized, and the accurate air tightness detection operation flow is just the same after all, referring to fig. 3. At present, no modularized and standardized airtight gas circuit control module exists in the market, and no control system capable of carrying out adaptive vacuumizing and gas filling on various products exists, so that a device capable of being widely applicable is specially designed.
Disclosure of utility model
The purpose of the utility model is that: in view of the technical requirements of implementing air tightness detection on various products in the background technology, in using a standardized gas circuit control system with adjustable and controllable technical parameters, completing a series of air tightness detection on vacuumizing, filling detection gas and air pressure detection, we design a helium detection gas circuit main pumping control system, using a compressor to store high-pressure helium gas for a gas tank, conveniently and rapidly introducing the high-pressure helium gas into a product to be detected, using a vacuum pump to vacuumize a sealed box of the product to be detected, implementing adjustable inflation pressure through various air valves, adjustable air suction pressure and air pressure control on recycling helium gas, and using a equipped helium recovery module to recycle the helium gas, thereby saving energy, protecting the environment, adapting to air tightness detection on products with various performance requirements, and being practical and convenient.
The technical scheme adopted for solving the problems is as follows:
The main pumping control system of the helium detection gas circuit comprises a helium tank, a compressor, a helium filling pipeline, an air filling interface, a vacuum interface, an air suction pipeline, a vacuum pump, a breaking valve, an evacuating valve and a helium discharging valve, and also comprises a helium recovery module, wherein the helium recovery module comprises a recovery air pump, a recovery tank and a recovery valve,
The vacuum pump is connected with a vacuum interface through an air extraction pipeline, the vacuum interface is communicated with a sealed box of a product to be detected, an air extraction valve is started to extract air in the sealed box, the air is discharged outside through an exhaust pipe, the negative pressure value between the sealed box and the air extraction pipeline is kept balanced, or the air is monitored through a barometer,
The helium tank stores helium which is introduced by a compressor at high pressure, the helium tank is communicated with a helium filling pipeline, and is matched with a helium discharging valve to fill the high-pressure helium into a sealing box of a product to be detected from an inflating interface through the helium filling pipeline, the air pressure value between the sealing box and the helium filling pipeline is kept at a set value, or the pressure of the high-pressure helium is monitored,
After helium detection of the product is completed, the vacuum negative pressure environment in the sealing box is removed by the air breaking valve, air is externally connected with an exhaust pump to be filled into the sealing box, the sealing box is conveniently opened to take down the product,
And the helium recovery module pumps the helium outwards from the air cavity filled with helium in the sealing box, and starts the recovery air pump and the recovery valve to inject the helium into the recovery tank in a pressurizing manner through the recovery pipeline.
Further, the helium filling pipeline, the inflating interface, the air extracting pipeline and the vacuum interface are correspondingly provided with a plurality of groups so as to adapt to the air tightness detection of a plurality of sets of products and improve the detection efficiency.
Further, the recovery tank is communicated with the compressor, and is pressurized again by the compressor to be filled into the helium tank for recycling.
The beneficial effects of the utility model are as follows:
This helium is examined gas circuit owner and is taken out control system adopts the compressor to reserve high-pressure helium for the gas tank, conveniently lets in high-pressure helium for the product that awaits measuring fast, adopts the vacuum pump to take out the seal box of the product that awaits measuring to implement through multiple pneumatic valve and aerify the atmospheric pressure and adjust, the atmospheric pressure of bleeding is adjustable, and retrieve helium atmospheric pressure control, the helium recovery module of being equipped can let helium recycle, and is energy-concerving and environment-protective, the gas tightness of the product of adaptation multiple performance requirement detects, practicality is convenient.
Drawings
FIG. 1 is a perspective view of a main pump control system of a helium test gas circuit according to the present embodiment;
FIG. 2 is a schematic diagram of a main pumping control system of a helium test gas circuit according to the embodiment;
FIG. 3 is a schematic diagram of the overall process flow of performing helium testing;
The device comprises a 1-helium tank, a 2-first inflation interface, a 3-control panel, a 4-second inflation interface, a 5-electric control box, a 6-second vacuum pump, a 7-exhaust pipe, an 8-recovery tank, a 9-helium charging pipeline, a 10-recovery pipeline, an 11-compressor, a 12-first vacuum pump, a 13-control valve group, a 14-standby gas tank, a 15-exhaust pump and a 16-recovery gas pump.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Referring to fig. 1 to 2, the present embodiment provides a helium detection gas circuit main pumping control system, which comprises a helium tank 1, a compressor 11, a helium filling pipeline 9, an inflating interface, a vacuum interface, an air pumping pipeline, a vacuum pump, a vacuum breaking valve, an air pumping valve, a helium discharging valve, and a helium recovery module, wherein the helium recovery module comprises a recovery air pump 16, a recovery tank 8 and a recovery valve.
Referring to fig. 1, the vacuum pump is connected with a vacuum interface through an air extraction pipeline, the vacuum interface is communicated with a sealed box of a product to be detected, an air extraction valve is started to extract air in the sealed box, the air is discharged outside through an exhaust pipe 7, and a negative pressure value between the sealed box and the air extraction pipeline is kept balanced, or the air is monitored through a barometer.
Referring to fig. 2, the helium tank 1 stores helium gas introduced at high pressure by the compressor 11, the helium tank 1 is communicated with the helium filling pipe 9, and is matched with the helium discharging valve to fill the high-pressure helium gas into the sealing box of the product to be tested from the inflating interface through the helium filling pipe 9, and the air pressure value between the sealing box and the helium filling pipe 9 is kept at a set value or monitored through the pressure of the sealing box and the helium filling pipe 9.
After helium inspection of the product is completed, the vacuum negative pressure environment in the sealed box is removed by the air breaking valve, and air is externally connected with the exhaust pump 15 to be filled into the sealed box, so that the sealed box is conveniently opened to take down the product.
Referring to fig. 2, the helium recovery module pumps the helium-filled air chamber in the sealed box to the outside, and starts the recovery air pump 16 and the recovery valve to inject the helium into the recovery tank 8 under pressure through the recovery pipe 10.
Referring to fig. 2, the helium filling pipeline 9, the air filling interface, the air extracting pipeline and the vacuum interface are respectively provided with two groups correspondingly, so as to adapt to the air tightness detection of multiple sets of products and improve the detection efficiency.
Referring to fig. 2, the recovery tank 8 is communicated with the compressor 11, and is pressurized again by the compressor 11 to be filled into the helium tank 1 for recycling.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the embodiments described above, and various changes, modifications, substitutions and alterations can be made therein by those having ordinary skill in the art without departing from the spirit of the present utility model, the scope of which is defined by the appended claims and their equivalents.
Claims (5)
1. A helium detection gas circuit main pumping control system is characterized in that: comprises a helium tank, a compressor, a helium filling pipeline, an inflating interface, a vacuum interface, an air suction pipeline, a vacuum pump, a hollow breaking valve, an air suction valve, a helium discharging valve and a helium recovery module, wherein the helium recovery module comprises a recovery air pump, a recovery tank and a recovery valve,
The vacuum pump is connected with a vacuum interface through an exhaust pipeline, the vacuum interface is communicated with a sealed box of a product to be tested, an exhaust valve is started to exhaust air in the sealed box, the air is discharged outside through an exhaust pipe, the negative pressure value between the sealed box and the exhaust pipeline is kept balanced,
The helium tank stores helium which is introduced by a compressor under high pressure, the helium tank is communicated with a helium filling pipeline, and is matched with a helium discharging valve to fill the high-pressure helium into a sealing box of a product to be tested from an inflating interface through the helium filling pipeline, and the air pressure value between the sealing box and the helium filling pipeline is kept at a set value,
After helium detection of the product is completed, the vacuum negative pressure environment in the sealing box is removed by the air breaking valve, air is externally connected with an exhaust pump to be filled into the sealing box, the sealing box is conveniently opened to take down the product,
And the helium recovery module pumps the helium outwards from the air cavity filled with helium in the sealing box, and starts the recovery air pump and the recovery valve to inject the helium into the recovery tank in a pressurizing manner through the recovery pipeline.
2. The helium detection gas circuit main pumping control system according to claim 1, wherein: and monitoring is performed between the sealing box and the air exhaust pipeline through a barometer.
3. The helium detection gas circuit main pumping control system according to claim 1, wherein: and monitoring is carried out between the sealing box and the helium filling pipeline through a barometer.
4. The helium detection gas circuit main pumping control system according to claim 1, wherein: and the helium filling pipeline, the inflating interface, the air extracting pipeline and the vacuum interface are correspondingly provided with a plurality of groups.
5. The helium detection gas circuit main pumping control system according to claim 1, wherein: the recovery tank is communicated with the compressor, and is pressurized and inflated into the helium tank again by the compressor for recycling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323354318.3U CN221325825U (en) | 2023-12-11 | 2023-12-11 | Helium detection gas circuit main pumping control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323354318.3U CN221325825U (en) | 2023-12-11 | 2023-12-11 | Helium detection gas circuit main pumping control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221325825U true CN221325825U (en) | 2024-07-12 |
Family
ID=91788444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323354318.3U Active CN221325825U (en) | 2023-12-11 | 2023-12-11 | Helium detection gas circuit main pumping control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221325825U (en) |
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2023
- 2023-12-11 CN CN202323354318.3U patent/CN221325825U/en active Active
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