CN201662468U - Explosion-proof limit breathe test device - Google Patents
Explosion-proof limit breathe test device Download PDFInfo
- Publication number
- CN201662468U CN201662468U CN2010201487676U CN201020148767U CN201662468U CN 201662468 U CN201662468 U CN 201662468U CN 2010201487676 U CN2010201487676 U CN 2010201487676U CN 201020148767 U CN201020148767 U CN 201020148767U CN 201662468 U CN201662468 U CN 201662468U
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- explosion
- proof
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- cabinet
- vacuum
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- Expired - Lifetime
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Abstract
The utility model relates to an explosion-proof limit breathe test device comprising a cabinet body and a cabinet door arranged on the cabinet body, forming a sealing space with the cabinet body and provided with a handle with a lock, as well as a vacuum pressure gauge, a control button, a manual stop valve, an air course connector, an external bolt and a roller wheel which are fixed outside the cabinet body, and an electric box, a motor, an electromagnetic valve, a vacuum pump, a rubber vacuum pipe, a coupler, and a cable which are fixed inside the cabinet body; the control button, the external bolt, the motor and the electromagnetic valve are respectively connected on the electrical box by cables; the vacuum pressure gauge, the manual stop valve, the air course connector, the electromagnetic valve and the vacuum pump are communicated with one another by the rubber vacuum pipes; and the motor is connected with the vacuum pump by the coupler. The explosion-proof limit breathe test device has the benefits of simple operation, convenient moving, safety and accuracy, and capabilities of being used on fixed-term pressure test to breathe limiting type electrical equipment in explosive dangerous No.1 and No.2 areas, and fast, conveniently and scientifically judging whether the shell of the breathe limiting type electrical equipment is in line with the requirements of explosion-proof performances.
Description
Technical field
The utility model relates to a kind of checkout equipment, relates in particular to a kind of explosion-proof restriction respiratory apparatus.
Background technology
In the production of oil and chemical industry, all can relate to hazardous chemical from raw material, intermediate product to final finished, and hazardous chemical has inflammable and explosive characteristic, and the formed explosive mixture of all inflammable gass and steam and air mixed just can be explosion caused after running into the burning things which may cause a fire disaster of enough energy in the hazardous chemical.This electrical equipment that just requires to use under this environment all should be electrical apparatus for explosive atmospheres, and the restriction breathing electrical equipment is one of numerous explosion-proof dummy devices, is widely used in oil, chemical industry, metallurgy, pharmacy etc. and exists in the industry of inflammable gas.This kind equipment before coming into the market and the cycle all need to carry out the anti-explosion safety test when identifying, whether have hidden peril of explosion to judge it.
The restriction breathing electrical equipment adopts the assembling of explosion-proof device and requires one-piece construction that very strong sealing property is arranged, thus the equipment that prevents under explosive gas atmosphere, there is hidden peril of explosion in extraneous damp access arrangement inside.How fast, whether the shell of judging the restriction breathing electrical equipment convenient, science meets the requirement of explosion-proof performance, the equipment of preventing is lighted, reduce the generation of explosion accident, this is that urgent problem in the restriction breathing electrical equipment is being selected, installed, uses, safeguards to oil, chemical industry.
According to the retrieval, at present, can either finish the detection of the explosion-proof performance of restriction breathing electrical equipment in the laboratory, again can be at the dangerous place with a potential explosion scene, the test unit of execution cycle evaluation is not also found the correlation technique report at home fast.
Summary of the invention
In view of the deficiency that prior art exists, the utility model provides a kind of explosion-proof restriction respiratory apparatus, and purpose is whether to meet the requirement of explosion-proof performance for the sealing of judging the restriction breathing electrical equipment quick, convenient, science.
For achieving the above object, the utility model adopts following technical scheme: a kind of explosion-proof restriction respiratory apparatus, it is characterized in that: comprise cabinet and the cabinet door that handle with lock is installed that is installed on the cabinet, also comprise pressure vacuum gauge, control knob, hand stop valve, gas path joint, external latch, roller that is separately fixed at the cabinet outside and the electric box that is separately fixed at cabinet inside, motor, solenoid valve, vacuum pump, rubber vacuum tube, unitor, cable; Described control knob, external latch, motor, solenoid valve are connected on the electric box by cable, described pressure vacuum gauge, hand stop valve, gas path joint, solenoid valve, vacuum pump are connected by the rubber vacuum tube, and described unitor is connected motor with vacuum pump.
Cabinet, cabinet door adopt steel matter.
Control knob, external latch, electric box, solenoid valve adopt the explosion-proof electric apparatus device.
Motor adopts miniature explosion-proof type three-dimensional asynchronous motor.
The beneficial effect of the explosion-proof restriction respiratory apparatus of the utility model is, and is simple to operate, conveniently moving, and safety and precise, and can use in dangerous place with a potential explosion 1 district and 2 districts in the periodic pressure test to the restriction breathing electrical equipment.
Description of drawings
Fig. 1 is the utility model outward appearance front view.
Fig. 2 is the right view of Fig. 1.
Fig. 3 is the utility model assembly structure cut-away view.
Among the figure: 1. cabinet, 2. cabinet door, handle 3. with lock, 5. pressure vacuum gauge, 6. control knob, 7. hand stop valve, 8. gas path joint, 9. external latch, 10. electric box, 11. motor, 12. solenoid valves, 13. vacuum pump, 15. rubber vacuum tubes, 16. rollers, 17. unitors, 18. cables.
Embodiment
Characteristics based on restriction breathing electrical equipment one-piece construction sealing requirements, this device utilizes the air pipe of sealing to be connected with equipment under test, start negative pressure system, be under the negative pressure state at the pipeline after the connection, monitor variations in line pressure, if the tested device favorable sealing property, then pressure loss should change in specialized range.
Below in conjunction with accompanying drawing the utility model is further described.
Shown in Fig. 1～3, the utility model comprises cabinet 1 and the cabinet door 2 that handle 3 with lock is installed that is installed on the cabinet 1, also comprises pressure vacuum gauge 5, control knob 6, hand stop valve 7, gas path joint 8, external latch 9, roller 16 that is fixed on cabinet 1 outside and the electric box 10 that is fixed on cabinet 1 inside, motor 11, solenoid valve 12, vacuum pump 13, rubber vacuum tube 15, unitor 17, cable 18; Control knob 6, external latch 9, motor 11, solenoid valve 12 are connected on the electric box 10 by cable 18, pressure vacuum gauge 5, hand stop valve 7, gas path joint 8, solenoid valve 12, vacuum pump 13 are connected by rubber vacuum tube 15, and unitor 17 is connected motor 11 with vacuum pump 13.
Be the security of assurance device, control knob 6, external latch 9, electric box 10, solenoid valve 12 all adopt the explosion-proof electric apparatus parts.
Motor 11 adopts miniature explosion-proof type three-dimensional asynchronous motor.For guaranteeing the sealing of air pipe, guarantee reliability of testing result, the air pipe of this device adopts the rubber vacuum tube of favorable sealing property.External latch be provided with can be conveniently in being connected of equipment and power supply box power taking distance place lead far away, its switching function simultaneously, the break-make control of convenient whole device electricity.According to the voltage conditions at present enterprise scene, the input power supply of this device is AC380V.Detecting on-the-spot moving for convenient, this bottom of device is equipped with four rolling;
The course of work of explosion-proof restriction respiratory apparatus is: the external tapping that the gas path joint of this device is inserted restriction breathing electrical equipment to be measured, press control knob, at this moment, solenoid valve and vacuum pump are started working simultaneously, observe pressure vacuum gauge, regulate hand stop valve, make gaseous tension reach-during 3KPa, press control knob, promptly stop the work of solenoid valve and vacuum pump, at this moment, the Devices to test air pressure inside should be-3KPa, the variation of observation vacuum pressure list index, pressure gauge reading is not less than-1.5KPa after 3 minutes, proves that Devices to test meets seal request, and pressure gauge reading is lower than-1.5KPa, the proof Devices to test does not meet seal request, thus the conclusion (of pressure testing) of drawing.
Claims (4)
1. explosion-proof restriction respiratory apparatus, it is characterized in that: comprise cabinet (1) and the cabinet door (2) that handle with lock (3) is installed that is connected with cabinet (1), also comprise being separately fixed at cabinet (1) outside pressure vacuum gauge (5), control knob (6), hand stop valve (7), gas path joint (8), external latch (9), roller (16) and being separately fixed at cabinet (1) inner electric box (10), motor (11), solenoid valve (12), vacuum pump (13), rubber vacuum tube (15), unitor (17), cable (18); Described control knob (6), external latch (9), motor (11), solenoid valve (12) are connected on the electric box (10) by cable (18), described pressure vacuum gauge (5), hand stop valve (7), gas path joint (8), solenoid valve (12), vacuum pump (13) are connected by rubber vacuum tube (15), and described unitor (17) is connected motor (11) with vacuum pump (13).
2. explosion-proof restriction respiratory apparatus as claimed in claim 1 is characterized in that, described cabinet (1), cabinet door (2) adopt steel matter.
3. explosion-proof restriction respiratory apparatus as claimed in claim 1 is characterized in that, described control knob (6), external latch (9), electric box (10), solenoid valve (12) adopt the explosion-proof electric apparatus device.
4. explosion-proof restriction respiratory apparatus as claimed in claim 1 is characterized in that, described motor (11) adopts miniature explosion-proof type three-dimensional asynchronous motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201487676U CN201662468U (en) | 2010-04-02 | 2010-04-02 | Explosion-proof limit breathe test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201487676U CN201662468U (en) | 2010-04-02 | 2010-04-02 | Explosion-proof limit breathe test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201662468U true CN201662468U (en) | 2010-12-01 |
Family
ID=43232887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201487676U Expired - Lifetime CN201662468U (en) | 2010-04-02 | 2010-04-02 | Explosion-proof limit breathe test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201662468U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224631A (en) * | 2016-07-19 | 2016-12-14 | 中国人民解放军总后勤部油料研究所 | A kind of breather valve on-line measuring device and method |
| CN107178450A (en) * | 2017-06-26 | 2017-09-19 | 中国煤炭科工集团太原研究院有限公司 | A kind of logical fuel cut-off control enlarger of mine anti-explosion vehicle |
-
2010
- 2010-04-02 CN CN2010201487676U patent/CN201662468U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224631A (en) * | 2016-07-19 | 2016-12-14 | 中国人民解放军总后勤部油料研究所 | A kind of breather valve on-line measuring device and method |
| CN107178450A (en) * | 2017-06-26 | 2017-09-19 | 中国煤炭科工集团太原研究院有限公司 | A kind of logical fuel cut-off control enlarger of mine anti-explosion vehicle |
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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: 20101201 |
|
| CX01 | Expiry of patent term |