CN202024867U - Vacuum arc-extinguishing chamber argon pressurization leak detection device - Google Patents
Vacuum arc-extinguishing chamber argon pressurization leak detection device Download PDFInfo
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- CN202024867U CN202024867U CN2011201237533U CN201120123753U CN202024867U CN 202024867 U CN202024867 U CN 202024867U CN 2011201237533 U CN2011201237533 U CN 2011201237533U CN 201120123753 U CN201120123753 U CN 201120123753U CN 202024867 U CN202024867 U CN 202024867U
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- valve
- control system
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Abstract
Provided is a vacuum arc-extinguishing chamber argon pressurization leak detection device, comprising a pressure vessel, a vacuum pump, electric control valves, a pressure gauge, a vacuum gauge, connecting pipes, and an electric control system, wherein the to-be-detected products are placed inside the pressure vessel which is sequentially connected with the pressure gauge, an inlet valve, the electric control valves, the vacuum gauge, and the vacuum pump via the connecting pipes; the vacuum gauge is connected with a vacuum measurement system; the inlet valve is connected with an argon gas tank via the connecting pipes; an exhaust valve, connected with the argon retrieving device via the connecting pipes, is arranged at the connecting pipes between the electric control valves; and a safety valve is also arranged at the connecting pipes between the electric control valves. The vacuum pump, the electric control valves, the pressure gauge, the vacuum gauge, the inlet valve, and the exhaust valve are connected with the electric control system via a control line. The vacuum arc-extinguishing chamber argon pressurization leak detection device features low cost, short detecting time, simple operation and security.
Description
Technical field
The utility model relates to a kind of gas leak detection equipment technical field, especially with vacuum tank product is carried out the equipment of gas leak detection.
Background technology
In the production of vacuum circuit breaker, it is an important operation that the sealing property of vacuum interrupter is detected.At present, the checkout equipment that adopts is a helium pressurization leak test plant, this equipment mainly is made up of pressure vessel, vacuum pump, diaphragm compressor, helium gas-holder, electric-control system etc., can satisfy production requirement substantially, but the cost height of helium, diaphragm compressor be along with service efficiency can reduce, and do not meet the principles and policies of the energy-saving and emission-reduction that country advocates.
The utility model content
The purpose of this utility model is to provide a kind of vacuum interrupter argon gas pressurization leak test plant, and use cost is low, and detection time is short, the precision height, and can realize the datumization analysis, be the box gas leak detection equipment of a kind of vacuum.
The technical solution of the utility model is: a kind of vacuum interrupter argon gas pressurization leak test plant, comprise pressure vessel, vacuum pump, electrically-controlled valve, tensimeter, vacuum meter, connecting line, electric control system, wherein, place product to be checked in the described pressure vessel, described pressure vessel connects tensimeter successively by connecting line, gas admittance valve, electrically-controlled valve, vacuum meter, vacuum pump, described vacuum meter is connected with the vacuum measurement system, described gas admittance valve is connected with the argon gas gas-holder by connecting line, described tensimeter, connecting line between the electrically-controlled valve is provided with vent valve, and described vent valve is connected with the argon gas retracting device by connecting line; Described vacuum pump, electrically-controlled valve, tensimeter, vacuum meter, gas admittance valve, vent valve are connected with electric control system by operation circuit.
Also be provided with safety valve on the connecting line between described tensimeter, the electrically-controlled valve.
Described electric control system is the PLC control system.
It is simple in structure that the utility model adopts, and the entire equipment compact in design is effectively utilized the work-yard, and is easy to operate, with manual two kinds of operator schemes, reduced labour intensity automatically, improved production efficiency.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Among the figure: 1-pressure vessel, 2-connecting line, 3-tensimeter, 4-vacuum meter, 5-electrically-controlled valve, 6-vent valve, 7-safety valve, 8-gas admittance valve, 9-electric control system, 10-vacuum pump.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
As Fig. 1, the vacuum interrupter argon gas pressurization leak test plant that the utility model provides, comprise pressure vessel 1, vacuum pump 10, electrically-controlled valve 5, tensimeter 3, vacuum meter 4, connecting line 2, electric control system 9, wherein, place product to be checked in the described pressure vessel 1, described pressure vessel 1 connects tensimeter 3 successively by connecting line 2, gas admittance valve 8, electrically-controlled valve 5, vacuum meter 4, vacuum pump 10, described vacuum meter 4 is connected with the vacuum measurement system, described gas admittance valve 8 is connected with the argon gas gas-holder by connecting line, described tensimeter 3, connecting line 2 between the electrically-controlled valve 5 is provided with vent valve 6, and described vent valve 6 is connected with the argon gas retracting device by connecting line; Described vacuum pump 10, electrically-controlled valve 5, tensimeter 3, vacuum meter 4, gas admittance valve 8, vent valve 6 are connected with electric control system 9 by operation circuit.For safety, on the connecting line 2 between tensimeter 3, the electrically-controlled valve 5, also be provided with safety valve 7.
During concrete operation: the vacuum interrupter that at first will need to detect is put into pressure vessel 1, and closes.Start electric control system 9, because electric control system 9 is PLC control system, can select manually or automatic mode according to the actual requirements, two kinds of modes of operation are separate.If adopt " manually " mode of operation, vacuum tightness, container inner pressure, dwell time can directly be imported on the interface of electric control system 9 by the operator.When adopting " automatically " working method, vacuum tightness, container inner pressure, dwell time are moved by pre-set program voluntarily by the PLC control system.Electric control system 9 is sent 5 actions of instruction electrically-controlled valve, vacuum pump 10 work, and when vacuum tightness reached preset value, the signal of vacuum meter 4 was transferred to electric control system 9 by operation circuit; Electric control system 9 is sent 5 actions of instruction electrically-controlled valve, opens gas admittance valve 8, injects argon gas to pressure vessel 1, closes vacuum pump 10 simultaneously; When the pressure in the pressure vessel 1 reached preset value, the signal of tensimeter 3 was transferred to electric control system 9 by operation circuit; Electric control system 9 is sent instruction and is closed gas admittance valve 8, makes equipment be in packing state, and in the dwell time, electric control system 9 is given in the variable signal instantaneous transmission of tensimeter 3 and vacuum meter 4, and it is whether qualified that electric control system 9 is judged automatically; After reaching the stipulated time, electric control system 9 is sent instruction and is opened vent valve 6, and argon gas is discharged to retracting device; When tensimeter 3 indicated values are atmospheric pressure, can open pressure vessel gate, take out the product after detecting.
The utility model also is provided with safety valve 7, and when pressure vessel 1 reached the setting value of safety valve 7, safety valve 7 can be opened automatically, and pressure vessel 1 is carried out pressure release, thereby has guaranteed the safe in utilization of equipment.
It is simple in structure, easy to operate, safe in utilization that the utility model adopts; Adopt argon gas as dielectric gas, reduced production cost, pressurization detects, and has shortened detection time.This equipment adopts a vacuum pump and a control system colleague to control two pressure vessels, has saved the energy greatly.
Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.
Claims (3)
1. vacuum interrupter argon gas pressurization leak test plant, comprise pressure vessel (1), vacuum pump (10), electrically-controlled valve (5), tensimeter (3), vacuum meter (4), connecting line (2), electric control system (9), it is characterized in that: place product to be checked in the described pressure vessel (1), described pressure vessel (1) connects tensimeter (3) successively by connecting line (2), gas admittance valve (8), electrically-controlled valve (5), vacuum meter (4), vacuum pump (10), described vacuum meter (4) is connected with the vacuum measurement system, described gas admittance valve (8) is connected with the argon gas gas-holder by connecting line, described tensimeter (3), connecting line (2) between the electrically-controlled valve (5) is provided with vent valve (6), and described vent valve (6) is connected with the argon gas retracting device by connecting line; Described vacuum pump (10), vacuum meter (4), electrically-controlled valve (5), tensimeter (3), gas admittance valve (8), vent valve (6) are connected with electric control system (9) by operation circuit.
2. vacuum interrupter argon gas pressurization leak test plant according to claim 1 is characterized in that: also be provided with safety valve (7) on the connecting line (2) between described tensimeter (3), the electrically-controlled valve (5).
3. vacuum interrupter argon gas pressurization leak test plant according to claim 1 and 2, it is characterized in that: described electric control system (9) is the PLC control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201237533U CN202024867U (en) | 2011-04-25 | 2011-04-25 | Vacuum arc-extinguishing chamber argon pressurization leak detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201237533U CN202024867U (en) | 2011-04-25 | 2011-04-25 | Vacuum arc-extinguishing chamber argon pressurization leak detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202024867U true CN202024867U (en) | 2011-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201237533U Expired - Lifetime CN202024867U (en) | 2011-04-25 | 2011-04-25 | Vacuum arc-extinguishing chamber argon pressurization leak detection device |
Country Status (1)
| Country | Link |
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| CN (1) | CN202024867U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102520319A (en) * | 2011-11-27 | 2012-06-27 | 天水长城开关厂有限公司 | High altitude simulative pressure test apparatus for railway high voltage vacuum breaker |
| CN102967426A (en) * | 2012-12-13 | 2013-03-13 | 常州博朗低温设备有限公司 | Pressurizing and leakage detection device for vacuum clamping sleeve of tank |
| CN105241619A (en) * | 2015-10-30 | 2016-01-13 | 南京化工特种设备检验检测研究所 | Detection apparatus of leakage of pressure container |
| CN107170635A (en) * | 2017-07-04 | 2017-09-15 | 合肥东玖电气有限公司 | A kind of intelligent arc-control device of breaker |
| CN107505098A (en) * | 2017-08-22 | 2017-12-22 | 珠海大林湾工业气体有限公司 | A kind of device and its operating method for being used to detect low-temperature liquid tank closure |
| PL427779A1 (en) * | 2018-11-15 | 2019-04-08 | Instytut Techniki Budowlanej | Device for testing leak-tightness of installation products |
-
2011
- 2011-04-25 CN CN2011201237533U patent/CN202024867U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102520319A (en) * | 2011-11-27 | 2012-06-27 | 天水长城开关厂有限公司 | High altitude simulative pressure test apparatus for railway high voltage vacuum breaker |
| CN102967426A (en) * | 2012-12-13 | 2013-03-13 | 常州博朗低温设备有限公司 | Pressurizing and leakage detection device for vacuum clamping sleeve of tank |
| CN102967426B (en) * | 2012-12-13 | 2015-12-16 | 常州博朗低温设备有限公司 | The pressurization leakage detection device of tank body vacuum jacket |
| CN105241619A (en) * | 2015-10-30 | 2016-01-13 | 南京化工特种设备检验检测研究所 | Detection apparatus of leakage of pressure container |
| CN107170635A (en) * | 2017-07-04 | 2017-09-15 | 合肥东玖电气有限公司 | A kind of intelligent arc-control device of breaker |
| CN107505098A (en) * | 2017-08-22 | 2017-12-22 | 珠海大林湾工业气体有限公司 | A kind of device and its operating method for being used to detect low-temperature liquid tank closure |
| PL427779A1 (en) * | 2018-11-15 | 2019-04-08 | Instytut Techniki Budowlanej | Device for testing leak-tightness of installation products |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111102 |
|
| CX01 | Expiry of patent term |