CN103278321A - Portable electropneumatic valve positioner tester - Google Patents
Portable electropneumatic valve positioner tester Download PDFInfo
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- CN103278321A CN103278321A CN2013102162557A CN201310216255A CN103278321A CN 103278321 A CN103278321 A CN 103278321A CN 2013102162557 A CN2013102162557 A CN 2013102162557A CN 201310216255 A CN201310216255 A CN 201310216255A CN 103278321 A CN103278321 A CN 103278321A
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- tester
- valve positioner
- tensimeter
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Abstract
The invention discloses a portable electropneumatic valve positioner tester, and belongs to the field of automation instrumentation testers. The portable electropneumatic valve positioner tester is characterized by comprising a box body and a panel. A pneumatic valuator, a switching switch, an air source connector, an output air pressure connector, a precision pressure gauge, an electric operation device, a digital ammeter, an input current connector, a power source controlling device and a feedback current connector are installed on the panel, a check valve, a high pressure air bottle, an air filtering pressure reducer, a support, a high pressure air pipe, a first closed pipeline, a storage battery, a second closed pipeline and an output pipeline are installed in the box body, and a lifting handle and a second pressure gage are arranged on the upper portion of the box body. The portable electropneumatic valve positioner tester has the advantages of being compact in structure, convenient to carry, simple in operation and rapid and accurate in testing.
Description
Technical field
The present invention relates to a kind of portable electric valve positioner tester, belong to instrument and meter for automation tester field.
Background technology
Electropneumatic valve positioner is mounted in on-the-spot instrument, because environment difference and be subjected to the influence of source of the gas dirt very easily breaks down, its safeguard and maintenance capacity very big, all be it to be pulled down take the instrument check chamber and carry out to the verification of electropneumatic valve positioner and maintenance now, not only efficient is low also very inconvenient.
Summary of the invention
It is a kind of easy to carry that the technical problem to be solved in the present invention is to provide, and is convenient to field-checking and do not need forcing pump, and verification is a kind of portable electric valve positioner tester fast and accurately.
For achieving the above object, the present invention realizes by following technical scheme: portable electric valve positioner tester, it is characterized in that, comprise casing and panel, at described panel pneumatic setter is installed, change-over switch, gas source connector, the output pressure joint, precision pressure gauge, electric operator, digital electronic ammeter, the input current joint, power supply control, the feedback current joint, in described casing, reverse checkvalve is installed, gas cylinder, the air filtration decompressor, support, high-pressure air pipe, the first airtight pipeline, accumulator, the second airtight pipeline, output pipe is provided with handle and second tensimeter on the top of described casing.
Further, the present invention according to the syndeton of gas circuit is, reverse checkvalve, gas cylinder, air filtration decompressor, pneumatic setter connect successively by high-pressure air pipe, gas cylinder is connected with second tensimeter, pneumatic setter is connected with an input end of gas source connector, change-over switch respectively by the second airtight pipeline, the output pressure joint is connected by another input end of the first airtight pipeline and change-over switch, and the output terminal of change-over switch is connected with first tensimeter by output pipe.
Further, the present invention according to the syndeton of circuit is, accumulator is electrically connected with power supply control, electric operator, digital electronic ammeter respectively, and electric operator is electrically connected with the input current joint, and digital electronic ammeter and feedback current joint are electrically connected.
Further, described first tensimeter is precision pressure gauge, and precision is 0.25 grade, measurement range 0-0.16MPa.
Further, described change-over switch is T-valve.
The invention has the beneficial effects as follows that owing to adopt high pressure gas holder as source of the gas, accumulator is as power supply, and proving instrument is rationally integrated, so the present invention has compact conformation, easy to carry, simple to operate, the quick and accurate characteristics of verification.
Description of drawings
Fig. 1 is solid and the panel layout of portable electric valve positioner tester of the present invention;
Fig. 2 is the interior arrangenent diagram of the casing of portable electric valve positioner tester of the present invention;
Fig. 3 is the system architecture connection diagram of portable electric valve positioner tester of the present invention.
The mark implication is as follows in the accompanying drawing:
1, casing 2, panel 3, reverse checkvalve 4, gas cylinder 5, air filtration decompressor 6, pneumatic setter 7, change-over switch 8, gas source connector 9, output pressure joint 10, first tensimeter 11, electric operator 12, digital electronic ammeter 13, input current joint 14, power supply control 15, feedback current joint 16, handle 17, high-pressure air pipe 18, the first airtight pipeline 19, accumulator 20, the second airtight pipeline 21, second tensimeter 22, support 23, output pipe.
Embodiment
The present invention is described in further detail below in conjunction with diagram and specific embodiment.
With reference to Fig. 1, Fig. 2, Fig. 3, portable electric valve positioner tester of the present invention, comprise casing 1 and panel 2, at described panel 2 pneumatic setter 6 is installed, change-over switch 7, gas source connector 8, output pressure joint 9, first tensimeter 10, electric operator 11, digital electronic ammeter 12, input current joint 13, power supply control 14, feedback current joint 15, in described casing 1, reverse checkvalve 3 is installed, gas cylinder 4, air filtration decompressor 5, support 22, high-pressure air pipe 17, the first airtight pipeline 18, accumulator 19, the second airtight pipeline 20, output pipe 23 is provided with handle 16 and second tensimeter 21 on the top of described casing 1.
With reference to Fig. 3, portable electric valve positioner tester of the present invention, syndeton according to gas circuit is, reverse checkvalve 3, gas cylinder 4, air filtration decompressor 5, pneumatic setter 6 connects successively by high-pressure air pipe 17, gas cylinder 4 is connected with second tensimeter 21, pneumatic setter 6 by the second airtight pipeline 20 respectively with gas source connector 8, an input end of change-over switch 7 connects, output pressure joint 9 is connected by another input end of the first airtight pipeline 18 and change-over switch 7, and the output terminal of change-over switch 7 is connected with first tensimeter 10 by output pipe 23.
With reference to Fig. 3, portable electric valve positioner tester of the present invention, syndeton according to circuit is, accumulator 19 is electrically connected with power supply control 14, electric operator 11, digital electronic ammeter 12 respectively, electric operator 11 is electrically connected with input current joint 13, and digital electronic ammeter 12 and feedback current joint 15 are electrically connected.
Further, power supply control 14 comprises power switch and supply socket, and supply socket is three sockets, be used for external civil power to accumulator 19 chargings, need not to carry power lead in use, also need not to use civil power, be convenient to on-the-spot the use, power switch is automatic air-break switch, is used for the control general supply.
Further, described change-over switch 7 is T-valve.
Further, described first tensimeter 10 is precision pressure gauge, and precision is 0.25 grade, measurement range 0-0.16MPa.
Further, described reverse checkvalve 3 and air filtration decompressor 5 are fixedly mounted on the support 22.
Further, described high-pressure air pipe 17 is the high-pressure hose of inner liner metal material, and its withstand voltage scope is 0-6MPa, and the described first airtight pipeline 18, the second airtight pipeline 20, output pipe 23 are the PU pipe, and its withstand voltage scope is 0-1MPa.
The present invention is when the verification electropneumatic valve positioner, close pneumatic setter 6 earlier, then source of the gas is pressurizeed to gas cylinder 4 by reverse checkvalve 3, pressure in the gas cylinder 4 is by 21 indications of second tensimeter, being pressurized to 0.6MPa gets final product, take portable electric valve positioner tester of the present invention to scene then, gas source connector with electropneumatic valve positioner, the output pressure joint, the input current terminal, the valve position feedback current terminal respectively with gas source connector 8 of the present invention, output pressure joint 9, input current joint 13, feedback current joint 15 connects, change-over switch 7 is placed the position of output pipe 23 and second airtight pipeline 20 connections, first tensimeter, 10 indications this moment, second airtight pipeline 20 internal pressures, operate pneumatic setter 6 then, observing first tensimeter 10 makes its indication at 0.14MPa, the position that then change-over switch 7 is placed output pipe 23 and the first airtight pipeline 18 to connect, this moment, 10 indications of first tensimeter were by the output pressure value of school electropneumatic valve positioner, start power supply control 14, operation electric operator 11, make its output current equal the checkpoint electric current, the reometer indication that size of current is carried by electric operator 11, observe simultaneously the indication of first tensimeter 10 by the output pressure value of school electropneumatic valve positioner and digital electronic ammeter 12 indications by the feedback current value of school electropneumatic valve positioner, begin to carry out verification according to the correct checking procedure of electropneumatic valve positioner this moment.
Claims (3)
1. portable electric valve positioner tester, it is characterized in that, comprise casing (1) and panel (2), at described panel (2) pneumatic setter (6) is installed, change-over switch (7), gas source connector (8), output pressure joint (9), first tensimeter (10), electric operator (11), digital electronic ammeter (12), input current joint (13), power supply control (14), feedback current joint (15), reverse checkvalve (3) is installed in described casing (1), gas cylinder (4), air filtration decompressor (5), support (22), high-pressure air pipe (17), the first airtight pipeline (18), accumulator (19), the second airtight pipeline (20), output pipe (23) is provided with handle (16) and second tensimeter (21) on the top of described casing (1);
Comprise above-mentioned parts, syndeton according to gas circuit is, reverse checkvalve (3), gas cylinder (4), air filtration decompressor (5), pneumatic setter (6) connects successively by high-pressure air pipe (17), gas cylinder (4) is connected with second tensimeter (21), pneumatic setter (6) by the second airtight pipeline (20) respectively with gas source connector (8), an input end of change-over switch (7) connects, output pressure joint (9) is connected by another input end of the first airtight pipeline (18) and change-over switch (7), and the output terminal of change-over switch (7) is connected with first tensimeter (10) by output pipe (23);
Comprise above-mentioned parts, syndeton according to circuit is, accumulator (19) is electrically connected with power supply control (14), electric operator (11), digital electronic ammeter (12) respectively, electric operator (11) is electrically connected with input current joint (13), and digital electronic ammeter (12) and feedback current joint (15) are electrically connected.
2. portable electric valve positioner tester according to claim 1, it is characterized in that: described first tensimeter (10) is precision pressure gauge, and precision is 0.25 grade, measurement range 0-0.16MPa.
3. portable electric valve positioner tester according to claim 1 is characterized in that: described change-over switch (7) is T-valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102162557A CN103278321A (en) | 2013-05-29 | 2013-05-29 | Portable electropneumatic valve positioner tester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102162557A CN103278321A (en) | 2013-05-29 | 2013-05-29 | Portable electropneumatic valve positioner tester |
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| CN103278321A true CN103278321A (en) | 2013-09-04 |
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| CN2013102162557A Pending CN103278321A (en) | 2013-05-29 | 2013-05-29 | Portable electropneumatic valve positioner tester |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103913307A (en) * | 2014-04-22 | 2014-07-09 | 中国计量学院 | Tester capable of conducting movable dynamic pressure detection on air conditioning throttle valve under normal temperature operation |
| CN104483572A (en) * | 2014-12-19 | 2015-04-01 | 重庆川仪自动化股份有限公司 | Method, device and system for testing precision of valve positioner |
| CN106358391A (en) * | 2016-11-30 | 2017-01-25 | 江西洪都航空工业集团有限责任公司 | Pneumatic console operation panel |
| CN109298141A (en) * | 2018-11-16 | 2019-02-01 | 徐州江煤科技有限公司 | A kind of methane transducer calibration equipment |
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| US7266986B2 (en) * | 2003-11-19 | 2007-09-11 | The United States Of America As Represented By The Secretary Of The Army | Portable system for measuring dynamic pressure in situ and method of employment therefor |
| CN202229916U (en) * | 2011-09-20 | 2012-05-23 | 天津精通控制仪表技术有限公司 | Testing bench for single pneumatic control intelligent electrical valve positioner |
| CN202229915U (en) * | 2011-09-19 | 2012-05-23 | 天津精通控制仪表技术有限公司 | Dual-pneumatic-control check platform for intelligent electric valve positioner |
| CN202255759U (en) * | 2011-08-29 | 2012-05-30 | 际华三五零二职业装有限公司 | Portable pressure calibrating instrument |
| JP2012220360A (en) * | 2011-04-11 | 2012-11-12 | Chugoku Electric Power Co Inc:The | Calibration apparatus for diaphragm type pressure gauge |
| CN202795043U (en) * | 2012-08-30 | 2013-03-13 | 郑电三 | Charging type valve positioner debugging meter |
| CN203241233U (en) * | 2013-05-29 | 2013-10-16 | 南京化工职业技术学院 | Portable electrical valve positioner calibrator |
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2013
- 2013-05-29 CN CN2013102162557A patent/CN103278321A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7266986B2 (en) * | 2003-11-19 | 2007-09-11 | The United States Of America As Represented By The Secretary Of The Army | Portable system for measuring dynamic pressure in situ and method of employment therefor |
| JP2012220360A (en) * | 2011-04-11 | 2012-11-12 | Chugoku Electric Power Co Inc:The | Calibration apparatus for diaphragm type pressure gauge |
| CN202255759U (en) * | 2011-08-29 | 2012-05-30 | 际华三五零二职业装有限公司 | Portable pressure calibrating instrument |
| CN202229915U (en) * | 2011-09-19 | 2012-05-23 | 天津精通控制仪表技术有限公司 | Dual-pneumatic-control check platform for intelligent electric valve positioner |
| CN202229916U (en) * | 2011-09-20 | 2012-05-23 | 天津精通控制仪表技术有限公司 | Testing bench for single pneumatic control intelligent electrical valve positioner |
| CN202795043U (en) * | 2012-08-30 | 2013-03-13 | 郑电三 | Charging type valve positioner debugging meter |
| CN203241233U (en) * | 2013-05-29 | 2013-10-16 | 南京化工职业技术学院 | Portable electrical valve positioner calibrator |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103913307A (en) * | 2014-04-22 | 2014-07-09 | 中国计量学院 | Tester capable of conducting movable dynamic pressure detection on air conditioning throttle valve under normal temperature operation |
| CN104483572A (en) * | 2014-12-19 | 2015-04-01 | 重庆川仪自动化股份有限公司 | Method, device and system for testing precision of valve positioner |
| CN106358391A (en) * | 2016-11-30 | 2017-01-25 | 江西洪都航空工业集团有限责任公司 | Pneumatic console operation panel |
| CN109298141A (en) * | 2018-11-16 | 2019-02-01 | 徐州江煤科技有限公司 | A kind of methane transducer calibration equipment |
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Application publication date: 20130904 |