CN105509978A - Testing device and testing method for embedded-mounted check valve - Google Patents
Testing device and testing method for embedded-mounted check valve Download PDFInfo
- Publication number
- CN105509978A CN105509978A CN201511009535.6A CN201511009535A CN105509978A CN 105509978 A CN105509978 A CN 105509978A CN 201511009535 A CN201511009535 A CN 201511009535A CN 105509978 A CN105509978 A CN 105509978A
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- valve
- pressure
- retaining valve
- proving installation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2876—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for valves
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- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a testing device and a testing method for an embedded-mounted check valve. The testing device comprises a high-pressure air cylinder, a decompression valve, a filter, a normally closed electromagnetic valve, a check valve mounting seat and a ball valve. The testing device further comprises an electric control cabinet and a pressure sensor. The pressure sensor is connected with the check valve mounting seat. The electric control cabinet is connected with the pressure sensor and the normally closed electromagnetic valve. The testing device can prevent various adverse effects such as power loss and pressure loss caused by check valve leakage in the field in which the check valve is used.
Description
Technical field
The application belongs to retaining valve technical field of measurement and test, particularly relates to a kind of flush type retaining valve proving installation and method of testing.
Background technology
Retaining valve is that a kind of air-flow can only can not the directional control valve of reversed flow to the flowing of direction.Its principle of work is the same with hydraulically-controlled one-way valve.Retaining valve is applied to the occasion not allowing flow reversal, as air compressor machine inflate to gas tank time, retaining valve is set between air compressor machine and gas tank, when air compressor machine quits work, the pressurized air in gas tank can be prevented to be back to air compressor machine.Retaining valve is also normal and throttling valve, sequence valve etc. are combined into one-way throttle valve, one way sequence valve uses.
Traditional embedded one-way valve leak detection work is all tested by manual hand manipulation, and test fixture is simple, and test result is accurate not, cannot provide retaining valve at the various leakage rate curve be suitable in pressure limit.
Summary of the invention
The object of the present invention is to provide a kind of flush type retaining valve proving installation and method of testing, the unfavorable factor such as various power losses, the pressure loss brought because of the leakage of retaining valve in the field using this retaining valve can be avoided.
For achieving the above object, the invention provides following technical scheme:
The embodiment of the present application discloses a kind of flush type retaining valve proving installation, comprise high pressure air bottle, reduction valve, filtrator, normally closed solenoid valve, retaining valve mount pad and the ball valve of connecting successively, described proving installation also comprises electrical control cubicles and pressure transducer, described pressure transducer is connected to described retaining valve mount pad, and described electrical control cubicles is connected to described pressure transducer and normally closed solenoid valve.
Preferably, in above-mentioned flush type retaining valve proving installation, described electrical control cubicles comprises a display device.
Preferably, in above-mentioned flush type retaining valve proving installation, retaining valve to be tested is tightened on described retaining valve mount pad with the moment of torsion of specifying.
Preferably, in above-mentioned flush type retaining valve proving installation, described automatic testing equipment also comprises a support platform, this support platform has an installed surface, described reduction valve, filtrator, normally closed solenoid valve, retaining valve mount pad, ball valve and electrical control cubicles are fixed on described installed surface, and described high pressure air bottle is fixed on the below of described support platform.
Disclosed herein as well is a kind of method of testing of flush type retaining valve proving installation, comprise step:
(1), first retaining valve to be put in mount pad and is tightened with the moment of torsion of specifying;
(2), by ball valve close, the cylinder valve of high pressure air bottle is opened, and the top hole pressure adjusting reduction valve is to test pressure value;
(3), normally closed solenoid valve energising is opened;
(4), by the atmospheric pressure in switch board panel monitors current system whether with reduction valve to arrange pressure consistent, if inconsistent, the top hole pressure of adjustment reduction valve is until pressure sensor readings meets test pressure value;
(5), normally closed solenoid valve power-off is closed;
(6), control system detection system pressure, the leakage rate of retaining valve can be converted to by obtaining pressure reduction values in the unit interval.
Compared with prior art, the invention has the advantages that:
(1) pressure changing after the monitoring retaining valve ventilation that, this proving installation can be real-time;
(2), this proving installation can accurately to retaining valve input value of pressure;
(3), this proving installation gas that can input any pressure within the scope of transducer range tests retaining valve, can obtain the curve of retaining valve leakage rate at a variety of pressures;
(4), this proving installation can hunt leak to retaining valve completely automatically, do not need artificially to judge that whether retaining valve is qualified;
(5), the security of this proving installation is higher, hunts leak without the need to gases at high pressure.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Figure 1 shows that the principle schematic of flush type retaining valve proving installation in the specific embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be described in detail the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
Shown in ginseng Fig. 1, flush type retaining valve proving installation, comprise high pressure air bottle 1, reduction valve 2, filtrator 3, normally closed solenoid valve 4, retaining valve mount pad 8 and the ball valve 7 of connecting successively, proving installation also comprises electrical control cubicles 5 and pressure transducer 6, pressure transducer 6 is connected to retaining valve mount pad 8, and electrical control cubicles 5 is connected to pressure transducer 6 and normally closed solenoid valve 4.
Further, electrical control cubicles 5 comprises a display device, at least in order to show the curve of retaining valve leakage rate at a variety of pressures.
Further, retaining valve to be tested is tightened on retaining valve mount pad with the moment of torsion of specifying.
Further, automatic testing equipment also comprises a support platform (not shown), this support platform has an installed surface, reduction valve 2, filtrator 3, normally closed solenoid valve 4, retaining valve mount pad 8, ball valve 7 and electrical control cubicles 5 are fixed on installed surface, and high pressure air bottle 1 is fixed on the below of support platform.
The object of said apparatus design is to adopt high-precision sensor and solenoid valve automatically to control the detection of retaining valve leakage rate, and whether can automatically show this retaining valve qualified, and provides the leakage rate value of system residual voltage and retaining valve.
The control method of this device is:
1. first retaining valve 8 to be put in mount pad and is tightened with the moment of torsion of specifying;
2. closed by ball valve 7, the cylinder valve of high pressure air bottle 1 is opened, and the top hole pressure adjusting reduction valve 2 is to test pressure value;
3. normally closed solenoid valve 4 is energized and opens;
4. by the atmospheric pressure in switch board panel monitors current system whether with reduction valve 2 to arrange pressure consistent, if inconsistent, need the top hole pressure adjusting reduction valve 2 until pressure sensor readings meets test pressure value;
5. normally closed solenoid valve 4 power-off is closed;
6. control system detection system pressure, can be converted to the leakage rate of retaining valve by obtaining pressure reduction values in the unit interval.
It should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
The above is only the embodiment of the application; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the application's principle; can also make some improvements and modifications, these improvements and modifications also should be considered as the protection domain of the application.
Claims (5)
1. a flush type retaining valve proving installation, it is characterized in that, comprise high pressure air bottle, reduction valve, filtrator, normally closed solenoid valve, retaining valve mount pad and the ball valve of connecting successively, described proving installation also comprises electrical control cubicles and pressure transducer, described pressure transducer is connected to described retaining valve mount pad, and described electrical control cubicles is connected to described pressure transducer and normally closed solenoid valve.
2. flush type retaining valve proving installation according to claim 1, is characterized in that: described electrical control cubicles comprises a display device.
3. flush type retaining valve proving installation according to claim 1, is characterized in that: retaining valve to be tested is tightened on described retaining valve mount pad with the moment of torsion of specifying.
4. flush type retaining valve proving installation according to claim 1, it is characterized in that: described automatic testing equipment also comprises a support platform, this support platform has an installed surface, described reduction valve, filtrator, normally closed solenoid valve, retaining valve mount pad, ball valve and electrical control cubicles are fixed on described installed surface, and described high pressure air bottle is fixed on the below of described support platform.
5. the method for testing of the arbitrary described flush type retaining valve proving installation of claim 1 to 5, is characterized in that, comprise step:
(1), first retaining valve to be put in mount pad and is tightened with the moment of torsion of specifying;
(2), by ball valve close, the cylinder valve of high pressure air bottle is opened, and the top hole pressure adjusting reduction valve is to test pressure value;
(3), normally closed solenoid valve energising is opened;
(4), by the atmospheric pressure in switch board panel monitors current system whether with reduction valve to arrange pressure consistent, if inconsistent, the top hole pressure of adjustment reduction valve is until pressure sensor readings meets test pressure value;
(5), normally closed solenoid valve power-off is closed;
(6), control system detection system pressure, the leakage rate of retaining valve can be converted to by obtaining pressure reduction values in the unit interval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511009535.6A CN105509978A (en) | 2015-12-29 | 2015-12-29 | Testing device and testing method for embedded-mounted check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511009535.6A CN105509978A (en) | 2015-12-29 | 2015-12-29 | Testing device and testing method for embedded-mounted check valve |
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| Publication Number | Publication Date |
|---|---|
| CN105509978A true CN105509978A (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201511009535.6A Pending CN105509978A (en) | 2015-12-29 | 2015-12-29 | Testing device and testing method for embedded-mounted check valve |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768723A (en) * | 2017-01-13 | 2017-05-31 | 平湖康弗莱尔汽车发动机系统有限公司 | Air flue check valve flow and device for detecting sealability |
| CN107387498A (en) * | 2017-08-23 | 2017-11-24 | 重庆红江机械有限责任公司 | ME Type B marine low-speed machine pressure accumulation block assembly function test methods |
| CN110398353A (en) * | 2019-06-20 | 2019-11-01 | 平湖康弗莱尔汽车发动机系统有限公司 | The combined test stand of vehicle turbine breather cheek valve |
| CN110630589A (en) * | 2019-10-15 | 2019-12-31 | 宁波海宏液压有限公司 | Automatic test system and method for hydraulic check valve |
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| JP2000240847A (en) * | 1999-02-25 | 2000-09-08 | Nippon Vinylon Kk | Function inspecting method of one-way control valve and inspection device thereof |
| CN2676170Y (en) * | 2003-05-09 | 2005-02-02 | 浙江三花股份有限公司 | Integrated test system for one-way valve |
| CN102507109A (en) * | 2011-11-02 | 2012-06-20 | 天津鹏翎胶管股份有限公司 | One-way valve rubber tube positive pressure opening and negative pressure leakage detection device and operation method |
| KR20130047001A (en) * | 2011-10-31 | 2013-05-08 | 대우조선해양 주식회사 | Leakage testing apparatus for double check valve and its testing method |
| CN103940556A (en) * | 2013-01-21 | 2014-07-23 | 中国石油化工股份有限公司 | Sealing detection device and method of one-way valve |
| CN205449414U (en) * | 2015-12-29 | 2016-08-10 | 东方宏海新能源科技发展有限公司 | Flush type check valve testing arrangement |
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2015
- 2015-12-29 CN CN201511009535.6A patent/CN105509978A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2000240847A (en) * | 1999-02-25 | 2000-09-08 | Nippon Vinylon Kk | Function inspecting method of one-way control valve and inspection device thereof |
| CN2676170Y (en) * | 2003-05-09 | 2005-02-02 | 浙江三花股份有限公司 | Integrated test system for one-way valve |
| KR20130047001A (en) * | 2011-10-31 | 2013-05-08 | 대우조선해양 주식회사 | Leakage testing apparatus for double check valve and its testing method |
| CN102507109A (en) * | 2011-11-02 | 2012-06-20 | 天津鹏翎胶管股份有限公司 | One-way valve rubber tube positive pressure opening and negative pressure leakage detection device and operation method |
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| CN205449414U (en) * | 2015-12-29 | 2016-08-10 | 东方宏海新能源科技发展有限公司 | Flush type check valve testing arrangement |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768723A (en) * | 2017-01-13 | 2017-05-31 | 平湖康弗莱尔汽车发动机系统有限公司 | Air flue check valve flow and device for detecting sealability |
| CN107387498A (en) * | 2017-08-23 | 2017-11-24 | 重庆红江机械有限责任公司 | ME Type B marine low-speed machine pressure accumulation block assembly function test methods |
| CN110398353A (en) * | 2019-06-20 | 2019-11-01 | 平湖康弗莱尔汽车发动机系统有限公司 | The combined test stand of vehicle turbine breather cheek valve |
| CN110630589A (en) * | 2019-10-15 | 2019-12-31 | 宁波海宏液压有限公司 | Automatic test system and method for hydraulic check valve |
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Application publication date: 20160420 |