CN103267608A - Portable pressure instrument calibrator - Google Patents

Portable pressure instrument calibrator Download PDF

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Publication number
CN103267608A
CN103267608A CN2013102098283A CN201310209828A CN103267608A CN 103267608 A CN103267608 A CN 103267608A CN 2013102098283 A CN2013102098283 A CN 2013102098283A CN 201310209828 A CN201310209828 A CN 201310209828A CN 103267608 A CN103267608 A CN 103267608A
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CN
China
Prior art keywords
pressure
valve
electrically connected
output
tensimeter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2013102098283A
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Chinese (zh)
Inventor
郭凯志
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Nanjing College of Chemical Technology
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Nanjing College of Chemical Technology
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Publication date
Application filed by Nanjing College of Chemical Technology filed Critical Nanjing College of Chemical Technology
Priority to CN2013102098283A priority Critical patent/CN103267608A/en
Publication of CN103267608A publication Critical patent/CN103267608A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a portable pressure instrument calibrator, and belongs to the field of automation instrument calibration instruments. The calibrator is characterized by comprising a box body and a panel, wherein the panel is provided with a pressure regulation valve, an inspection valve, a micrometering valve, a first pressure gauge, an output pressure connector, a digital display meter, an output current connector, a power control, a power connector, a resistor network and a pressure transmitter support. The upper portion of the box body is provided with a handle and a second pressure gauge. A check valve, a high-pressure air cylinder, an air filtering pressure reducer, a storage battery, a support, a high-pressure air pipe and an output pipeline are installed in the box body. An air source connector is arranged on the side of the box body. The portable pressure instrument calibrator has the advantages of being compact in structure, convenient to carry, easy to operate and quick and precise in calibration.

Description

Portable pressure instrument check instrument
Technical field
The present invention relates to a kind of manometer tester, belong to instrument and meter for automation tester field, especially a kind of portable pressure instrument check instrument.
Background technology
Manometer is mounted in on-the-spot instrument, because its quantity is many and easily break down, so its maintenance and maintenance are very big, maintenance one to manometer is on-site maintenance now, be about to check meter such as indicating gauge, stabilized voltage supply, master gauge, pressure validator etc. and take the scene to, because equipment is many and the wiring complexity, and the scene does not often have commercial power socket, make maintenance job not only loaded down with trivial details safe not enough, quality inspection also is difficult to guarantee, the 2nd, take the verification of instrument check chamber after manometer pulled down, 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 pressure instrument check instrument fast and accurately.
For achieving the above object, the present invention realizes by following technical scheme: portable pressure instrument check instrument, it is characterized in that, comprise casing and panel, at described panel pressure regulator valve is installed, return the inspection valve, micrometering valve, first tensimeter, the output pressure joint, digital wash, the output current joint, power supply control, power connection, resistor network, the pressure unit support, be provided with handle and second tensimeter on the top of described casing, in described casing, reverse checkvalve is installed, gas cylinder, the air filtration decompressor, accumulator, support, high-pressure air pipe, output pipe is provided with gas source connector at the sidepiece of described casing.
Further, the present invention according to the syndeton of gas circuit is, gas source connector, reverse checkvalve, gas cylinder, air filtration decompressor, pressure regulator valve connect successively by high-pressure air pipe, gas cylinder is connected with second tensimeter, and pressure regulator valve is connected with time inspection valve, micrometering valve, first tensimeter, output pressure joint respectively by output pipe.
Further, the present invention according to the circuit connection structure of verification pressure unit is, power supply control and accumulator are electrically connected, accumulator is electrically connected with power connection, digital wash respectively, power connection and be electrically connected by the correction power transmitter, be electrically connected by correction power transmitter and output current joint, output current joint and resistor network are electrically connected, and resistor network and digital wash are electrically connected.
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 casing of the present invention and panel layout;
Fig. 2 is arrangenent diagram in the casing of the present invention;
Fig. 3 is gas circuit syndeton synoptic diagram of the present invention;
Fig. 4 is the circuit connection structure synoptic diagram of verification pressure unit 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, pressure regulator valve 7, time inspection valve 8, micrometering valve 9, first tensimeter 10, second tensimeter 11, output pressure joint 12, digital wash 13, output current joint 14, power supply control 15, power connection 16, handle 17, pressure unit support 18, high-pressure air pipe 19, output pipe 20, gas source connector 21, accumulator 22, support 23, resistor network.
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 pressure instrument check instrument of the present invention, comprise casing 1 and panel 2, at described panel 2 pressure regulator valve 6 is installed, return inspection valve 7, micrometering valve 8, first tensimeter 9, output pressure joint 11, digital wash 12, output current joint 13, power supply control 14, power connection 15, resistor network 23, pressure unit support 17, be provided with handle 16 and second tensimeter 10 on the top of described casing 1, in described casing 1, reverse checkvalve 3 is installed, gas cylinder 4, air filtration decompressor 5, accumulator 21, support 22, high-pressure air pipe 18, output pipe 19 is provided with gas source connector 20 at the sidepiece of described casing 1.
With reference to Fig. 3, portable pressure instrument check instrument of the present invention, syndeton according to gas circuit is, gas source connector 20, reverse checkvalve 3, gas cylinder 4, air filtration decompressor 5, pressure regulator valve 6 connect successively by high-pressure air pipe 18, gas cylinder 4 is connected with second tensimeter 10, and pressure regulator valve 6 is connected with time inspection valve 7, micrometering valve 8, first tensimeter 9, output pressure joint 11 respectively by output pipe 19.
With reference to Fig. 4, portable pressure instrument check instrument of the present invention, circuit connection structure according to the verification pressure unit is, power supply control 14 and accumulator 21 are electrically connected, accumulator 21 is electrically connected with power connection 15, digital wash 12 respectively, and power connection 15 and be electrically connected by the correction power transmitter is electrically connected by correction power transmitter and output current joint 13, output current joint 13 and resistor network 23 are electrically connected, and resistor network 23 and digital wash 12 are electrically connected.
Further, described power supply control 14 comprises power switch and supply socket, supply socket is three sockets, be used for external civil power to accumulator 21 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 3 and air filtration decompressor 5 are fixedly mounted on the support 22.
Further, described power connection 15 comprises two-way 24V direct supply.
Further, described resistor network 23 is made up of the resistance of several 250 Ω and 50 Ω.
Further, described high-pressure air pipe 18 is the high-pressure hose of inner liner metal material, and its withstand voltage scope is 0-6MPa, and described output pipe 19 is the PU pipe, and its withstand voltage scope is 0-1MPa.
Portable pressure instrument check instrument of the present invention is when the verification pressure unit, earlier source of the gas is pressurizeed to gas cylinder 4 by gas source connector 20 and reverse checkvalve 3, pressure in the gas cylinder 4 is by 10 indications of second tensimeter, being pressurized to 0.6MPa gets final product, take portable pressure instrument check instrument of the present invention to scene then, to be connected with output pressure joint 11 by the pressure input end of correction power transmitter, by the respective terminal of correction power transmitter respectively with output current joint 13, power connection 15 is electrically connected, start power supply control 14, operation pressure regulator valve 6, return inspection valve 7, micrometering valve 8, make 9 indications of first tensimeter on checkpoint, by digital wash 12 indications, begin to carry out verification according to the correct checking procedure of pressure unit this moment by the output current of correction power transmitter.
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 pressure instrument check instrument, it is characterized in that, comprise casing (1) and panel (2), at described panel (2) pressure regulator valve (6) is installed, return inspection valve (7), micrometering valve (8), first tensimeter (9), output pressure joint (11), digital wash (12), output current joint (13), power supply control (14), power connection (15), resistor network (23), pressure unit support (17), be provided with handle (16) and second tensimeter (10) on the top of described casing (1), reverse checkvalve (3) is installed in described casing (1), gas cylinder (4), air filtration decompressor (5), accumulator (21), support (22), high-pressure air pipe (18), output pipe (19) is provided with gas source connector (20) at the sidepiece of described casing (1);
Comprise above-mentioned parts, syndeton according to gas circuit is, gas source connector (20), reverse checkvalve (3), gas cylinder (4), air filtration decompressor (5), pressure regulator valve (6) connect successively by high-pressure air pipe (18), gas cylinder (4) is connected with second tensimeter (10), and pressure regulator valve (6) is connected with time inspection valve (7), micrometering valve (8), first tensimeter (9), output pressure joint (11) respectively by output pipe (19);
Comprise above-mentioned parts, circuit connection structure according to the verification pressure unit is, power supply control (14) and accumulator (21) are electrically connected, accumulator (21) is electrically connected with power connection (15), digital wash (12) respectively, power connection (15) and be electrically connected by the correction power transmitter, be electrically connected by correction power transmitter and output current joint (13), output current joint (13) and resistor network (23) are electrically connected, and resistor network (23) and digital wash (12) are electrically connected.
CN2013102098283A 2013-05-31 2013-05-31 Portable pressure instrument calibrator Pending CN103267608A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013102098283A CN103267608A (en) 2013-05-31 2013-05-31 Portable pressure instrument calibrator

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Application Number Priority Date Filing Date Title
CN2013102098283A CN103267608A (en) 2013-05-31 2013-05-31 Portable pressure instrument calibrator

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CN103267608A true CN103267608A (en) 2013-08-28

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103712739A (en) * 2013-12-20 2014-04-09 渤海造船厂集团有限公司 3051 intelligent pressure transmitter calibration device
WO2018014790A1 (en) * 2016-07-22 2018-01-25 北京康斯特仪表科技股份有限公司 Fully-automated hand-held pressure calibrator
CN108195508A (en) * 2017-12-11 2018-06-22 西安航天动力测控技术研究所 A kind of Portable negative-pressure sensor field calibration device
CN111256907A (en) * 2020-01-03 2020-06-09 武汉钢铁有限公司 Intelligent line inspection checking device of transmitter
CN112059342A (en) * 2020-09-16 2020-12-11 广东工业大学 Online discharging deposition repairing device for damage of marine equipment parts

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050103092A1 (en) * 2003-11-19 2005-05-19 Chiarito Vincent P. Portable system for measuring dynamic pressure in situ and method of employment therefor
KR20100077268A (en) * 2008-12-29 2010-07-08 한국과학기술원 Each method and device of thrust measurement and calibration for rocket engine
CN201724779U (en) * 2010-03-09 2011-01-26 尚俊毅 Torque measurement marking apparatus
CN202002772U (en) * 2011-02-21 2011-10-05 江苏杰克仪表有限公司 Portable pressure calibrator
CN102252805A (en) * 2011-05-26 2011-11-23 北京康斯特仪表科技股份有限公司 Multi-range field full-automatic pressure and electric signal calibrating instrument
CN203287154U (en) * 2013-05-31 2013-11-13 南京化工职业技术学院 Portable pressure gauge calibrator

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050103092A1 (en) * 2003-11-19 2005-05-19 Chiarito Vincent P. Portable system for measuring dynamic pressure in situ and method of employment therefor
KR20100077268A (en) * 2008-12-29 2010-07-08 한국과학기술원 Each method and device of thrust measurement and calibration for rocket engine
CN201724779U (en) * 2010-03-09 2011-01-26 尚俊毅 Torque measurement marking apparatus
CN202002772U (en) * 2011-02-21 2011-10-05 江苏杰克仪表有限公司 Portable pressure calibrator
CN102252805A (en) * 2011-05-26 2011-11-23 北京康斯特仪表科技股份有限公司 Multi-range field full-automatic pressure and electric signal calibrating instrument
CN203287154U (en) * 2013-05-31 2013-11-13 南京化工职业技术学院 Portable pressure gauge calibrator

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103712739A (en) * 2013-12-20 2014-04-09 渤海造船厂集团有限公司 3051 intelligent pressure transmitter calibration device
WO2018014790A1 (en) * 2016-07-22 2018-01-25 北京康斯特仪表科技股份有限公司 Fully-automated hand-held pressure calibrator
US10976211B2 (en) 2016-07-22 2021-04-13 Beijing Const Instruments Technology Inc. Fully-automated handheld pressure calibrator
CN108195508A (en) * 2017-12-11 2018-06-22 西安航天动力测控技术研究所 A kind of Portable negative-pressure sensor field calibration device
CN111256907A (en) * 2020-01-03 2020-06-09 武汉钢铁有限公司 Intelligent line inspection checking device of transmitter
CN111256907B (en) * 2020-01-03 2021-08-17 武汉钢铁有限公司 Intelligent line inspection checking device of transmitter
CN112059342A (en) * 2020-09-16 2020-12-11 广东工业大学 Online discharging deposition repairing device for damage of marine equipment parts

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Application publication date: 20130828