CN103278189A - Portable calibration instrument for electrical/pneumatic convertor - Google Patents
Portable calibration instrument for electrical/pneumatic convertor Download PDFInfo
- Publication number
- CN103278189A CN103278189A CN2013101819114A CN201310181911A CN103278189A CN 103278189 A CN103278189 A CN 103278189A CN 2013101819114 A CN2013101819114 A CN 2013101819114A CN 201310181911 A CN201310181911 A CN 201310181911A CN 103278189 A CN103278189 A CN 103278189A
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- pressure
- pneumatic
- valuator
- tensimeter
- electrical
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Abstract
The invention discloses a portable calibration instrument for an electrical/pneumatic convertor and belongs to the field of automatic instrument testers. The portable calibration instrument for the electrical/pneumatic convertor is characterized by comprising a case body and a panel, wherein the panel is provided with a pneumatic valuator, an air source connector, an output air pressure connector, a precision pressure gauge, an electric valuator, a digital display meter, a current signal connector and a power supply controller; a high-pressure air bottle, a check valve, an air filtration pressure reducer, a support, a high-pressure air tube, an output line, a storage battery and an airtight line are arranged in the case body; the upper part of the case body is provided with a lifting handle; and the left side part of the case body is provided with a first pressure gauge and a second pressure gauge. The portable calibration instrument for the electrical/pneumatic convertor disclosed by the invention has the characteristics that the structure is compact, carrying is convenient, the operation is simple, and calibration is rapid and accurate.
Description
Technical field
The present invention relates to a kind of portable electric converter tester, belong to instrument and meter for automation tester field.
Background technology
Electropneumatic transducer 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, now to the verification of electropneumatic transducer with safeguard it all is it to be pulled down take the verification of instrument check chamber, 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 converter tester fast and accurately.
For achieving the above object, the present invention realizes by following technical scheme: portable electric converter tester, it is characterized in that, comprise casing and panel, at described panel pneumatic setter is installed, gas source connector, the output pressure joint, precision pressure gauge, electronic valuator, digital wash, the current signal joint, power supply control, in described casing, gas cylinder is installed, reverse checkvalve, the air filtration decompressor, support, high-pressure air pipe, output pipe, accumulator, airtight pipeline, top at described casing is provided with handle, is provided with first tensimeter and second tensimeter in the left side 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 first tensimeter, pneumatic setter is connected with second tensimeter, gas source connector respectively by airtight pipeline, the output pressure joint is connected with precision pressure gauge by output pipe, and precision pressure gauge is used to indicate by the output pressure of school electropneumatic transducer.
Further, the present invention according to the syndeton of circuit is, power supply control and accumulator electrical connection, and accumulator is electrically connected with electronic valuator, digital wash respectively, and electronic valuator is electrically connected with digital wash, current signal joint respectively.
The invention has the beneficial effects as follows, owing to adopt high pressure gas holder as source of the gas, accumulator is as power supply, checking signal is produced by electronic valuator, and output signal shows by precision pressure gauge, and proving instrument is rationally integrated, therefore 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 converter tester of the present invention;
Fig. 2 is the interior arrangenent diagram of the casing of portable electric converter tester of the present invention;
Fig. 3 is the system architecture connection diagram of portable electric converter tester of the present invention.
The mark implication is as follows in the accompanying drawing:
1, casing 2, panel 3, gas cylinder 4, reverse checkvalve 5, air filtration decompressor 6, pneumatic setter 7, second tensimeter 8, gas source connector 9, output pressure joint 10, precision pressure gauge 11, electronic valuator 12, digital wash 13, current signal joint 14, power supply control 15, handle 16, support 17, high-pressure air pipe 18, output pipe 19, accumulator 20, airtight pipeline 21, first tensimeter.
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 converter tester of the present invention, comprise casing 1 and panel 2, at described panel 2 pneumatic setter 6 is installed, gas source connector 8, output pressure joint 9, precision pressure gauge 10, electronic valuator 11, digital wash 12, current signal joint 13, power supply control 14, in described casing 1, gas cylinder 3 is installed, reverse checkvalve 4, air filtration decompressor 5, support 16, high-pressure air pipe 17, output pipe 18, accumulator 19, airtight pipeline 20, be provided with handle 15 on the top of described casing 1, be provided with first tensimeter 21 and second tensimeter 7 in the left side of described casing 1.
With reference to Fig. 3, portable electric converter tester of the present invention, syndeton according to gas circuit is, reverse checkvalve 4, gas cylinder 3, air filtration decompressor 5, pneumatic setter 6 connect successively by high-pressure air pipe 17, gas cylinder 3 is connected with first tensimeter 21, pneumatic setter 6 is connected with second tensimeter 7, gas source connector 8 respectively by airtight pipeline 20, output pressure joint 9 is connected with precision pressure gauge 10 by output pipe 18, and precision pressure gauge 10 is used to indicate by the output pressure of school electropneumatic transducer.
With reference to Fig. 3, portable electric converter tester of the present invention, syndeton according to circuit is, power supply control 14 and accumulator 19 are electrically connected, accumulator 19 is electrically connected with electronic valuator 11, digital wash 12 respectively, and electronic valuator 11 is electrically connected with digital wash 12, current signal joint 13 respectively.
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 reverse checkvalve 4 and air filtration decompressor 5 are fixedly mounted on the support 16.
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 described airtight pipeline 20, output pipe 18 are the PU pipe, and its withstand voltage scope is 0-1MPa.
Portable electric converter tester of the present invention is when the verification electropneumatic transducer, earlier source of the gas is pressurizeed to gas cylinder 3 by reverse checkvalve 4, pressure in the gas cylinder 3 is by 21 indications of first tensimeter, being pressurized to 0.6MPa gets final product, take portable electric converter tester of the present invention to scene then, gas source connector with electropneumatic transducer, the output pressure joint, input signal terminal respectively with the gas source connector 8 of tester of the present invention, output pressure joint 9, current signal joint 13 connects, operate air filtration decompressor 5 and pneumatic setter 6 then, make airtight pipeline 20 internal pressures be stabilized in 0.14MPa, the airtight pipeline 20 internal gas pressure sizes of second tensimeter, 7 indications, start power supply control 14 then, operate electronic valuator 11, make its output current equal the checkpoint electric current, size of current is by digital wash 12 indications, observe the indication of precision pressure gauge 10 simultaneously, begin to carry out verification according to the correct checking procedure of electropneumatic transducer this moment.
By reference to the accompanying drawings exemplary description is carried out in invention above; obviously specific implementation of the present invention is not subjected to the restriction of aforesaid way; as long as the non-substantial improvement of having adopted method design of the present invention and technical scheme to carry out; perhaps without improving method design of the present invention and technical scheme are applied directly to other occasions, all within protection scope of the present invention.
Claims (1)
1. portable electric converter tester, it is characterized in that, comprise casing (1) and panel (2), at described panel (2) pneumatic setter (6) is installed, gas source connector (8), output pressure joint (9), precision pressure gauge (10), electronic valuator (11), digital wash (12), current signal joint (13), power supply control (14), gas cylinder (3) is installed in described casing (1), reverse checkvalve (4), air filtration decompressor (5), support (16), high-pressure air pipe (17), output pipe (18), accumulator (19), airtight pipeline (20), be provided with handle (15) on the top of described casing (1), be provided with first tensimeter (21) and second tensimeter (7) in the left side of described casing (1);
Comprise above-mentioned parts, syndeton according to gas circuit is, reverse checkvalve (4), gas cylinder (3), air filtration decompressor (5), pneumatic setter (6) connect successively by high-pressure air pipe (17), gas cylinder (3) is connected with first tensimeter (21), pneumatic setter (6) is connected with second tensimeter (7), gas source connector (8) respectively by airtight pipeline (20), and output pressure joint (9) is connected with precision pressure gauge (10) by output pipe (18);
Comprise above-mentioned parts, syndeton according to circuit is, power supply control (14) and accumulator (19) are electrically connected, accumulator (19) is electrically connected with electronic valuator (11), digital wash (12) respectively, and electronic valuator (11) is electrically connected with digital wash (12), current signal joint (13) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101819114A CN103278189A (en) | 2013-05-17 | 2013-05-17 | Portable calibration instrument for electrical/pneumatic convertor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101819114A CN103278189A (en) | 2013-05-17 | 2013-05-17 | Portable calibration instrument for electrical/pneumatic convertor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103278189A true CN103278189A (en) | 2013-09-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101819114A Pending CN103278189A (en) | 2013-05-17 | 2013-05-17 | Portable calibration instrument for electrical/pneumatic convertor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103278189A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5469877A (en) * | 1993-08-04 | 1995-11-28 | Fairchild Industrial Products Company | Electric to pneumatic transducer |
| CN2250535Y (en) * | 1995-11-14 | 1997-03-26 | 鞍山自控仪表(集团)股份有限公司 | Electronic positioner for electric valve |
| CN201650932U (en) * | 2010-03-10 | 2010-11-24 | 双钱集团（如皋）轮胎有限公司 | Precision pneumatic component maintaining and testing device |
| CN203287034U (en) * | 2013-05-17 | 2013-11-13 | 南京化工职业技术学院 | A portable-type calibration instrument for a portable-type electrical pneumatic converter |
-
2013
- 2013-05-17 CN CN2013101819114A patent/CN103278189A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5469877A (en) * | 1993-08-04 | 1995-11-28 | Fairchild Industrial Products Company | Electric to pneumatic transducer |
| CN2250535Y (en) * | 1995-11-14 | 1997-03-26 | 鞍山自控仪表(集团)股份有限公司 | Electronic positioner for electric valve |
| CN201650932U (en) * | 2010-03-10 | 2010-11-24 | 双钱集团（如皋）轮胎有限公司 | Precision pneumatic component maintaining and testing device |
| CN203287034U (en) * | 2013-05-17 | 2013-11-13 | 南京化工职业技术学院 | A portable-type calibration instrument for a portable-type electrical pneumatic converter |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130904 |