CN102323006A - Portable pressure calibrator - Google Patents
Portable pressure calibrator Download PDFInfo
- Publication number
- CN102323006A CN102323006A CN201110250203A CN201110250203A CN102323006A CN 102323006 A CN102323006 A CN 102323006A CN 201110250203 A CN201110250203 A CN 201110250203A CN 201110250203 A CN201110250203 A CN 201110250203A CN 102323006 A CN102323006 A CN 102323006A
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- pressure
- gauge
- calibrator
- pressure gauge
- valuator
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Abstract
The invention relates to a portable pressure calibrator which comprises a pressure gauge box, a pressure indicating gauge arranged on the pressure gauge box, a precise pressure gauge in the pressure gauge box, and a high pressure tank arranged at the lower end of the precise pressure gauge, wherein an air inlet check valve is arranged on one side of the high pressure tank; a pressure guiding pipe is arranged on an air inlet pipe and is connected with the pressure indicating gauge; an air source outgoing interface is arranged on an air exhaust pipe on the other side of the high pressure tank; an outgoing valuator is arranged on the air exhaust pipe; and an air exhaust valuator is arranged on a communicating pipe A. The portable pressure calibrator has the advantages that the structure is simple, the carrying is convenient, the operation is flexible, the time wasted on dismounting a transmitter is decreased, and errors caused by bumping and collision during the transportation are reduced; the calibration accuracy of the calibrator can be guaranteed while the calibration efficiency is improved; and in the whole calibration process, any electric pressurized equipment is not needed, and no energy consumption and loss are caused, so by using the portable pressure calibrator, the carbon output is low, the environment is protected, the energy is saved and the efficiency is high.
Description
Technical field
The present invention relates to a kind of portable pressure tester.
Background technology
In the measuring instrument verification; The verification of differential pressure transmitter, pressure unit mostly is to return from detecting field stripping, utilizes testing laboratory's air pump pressurization, standard scale contrast, error check and correction supervisor; Detection finishes to transport back to use again and on-the-spotly installs, starts after connecing electricity, flushing, exhaust; This operation is more loaded down with trivial details, calibrating is low with duration, efficient, transports the vibrations of colliding with when installing and is prone to cause machine error, influences precision; Simultaneously frequent switching electricity is prone to influence the normal operation of miscellaneous equipment, can not satisfy production demand fast and efficiently.
Summary of the invention
Technical matters to be solved by this invention provides a kind of being easy to carry, light and flexible, and verification is time saving and energy saving, does not need dismounting to transport transmitter, increases work efficiency and guarantees the portable pressure tester of instrument check precision.
The present invention adopts following technical scheme:
The present invention includes the tensimeter case, be arranged on pressure indicator on the tensimeter case, be arranged on precision pressure gauge in the tensimeter case and the pressure pan that is arranged on the precision pressure gauge lower end; One side of described pressure pan is provided with the air inlet reverse checkvalve through draft tube, and draft tube is provided with connecting pipe, and the other end of connecting pipe is connected with pressure indicator; Opposite side at pressure pan is provided with gas outlet; The end of gas outlet is provided with the source of the gas output interface, and gas outlet is provided with the output valuator, in the precision pressure gauge lower end communicating pipe A is set; The exhaust valuator is set on the other end of communicating pipe A, and gas outlet is communicated with through communicating pipe B with communicating pipe A.
Good effect of the present invention is following: check meter of the present invention detects the mesohigh jar as source of the gas, according to the range of calibrated meter to the calibrated meter output pressure, the corresponding precision pressure gauge standard value of output valve; According to the output current of constant atmospheric pressure value adjusting transmitter, make transmitter electric current output conformance with standard value, reach the purpose of verification; Apparatus of the present invention are simple in structure; Mounting knob on the tensimeter case, easy to carry, flexible operation; Reduce dismounting transmitter consumed time, reduced the error that the collision of transportation moderately gusty air causes; When improving verification efficient, can guarantee the accuracy of instrument check; Simultaneously, in whole checking procedure, without any need for electronic pressurized equipment, incompetent consume is lost, and uses apparatus of the present invention low-carbon environment-friendly, energy-conservation, efficient.
Description of drawings
Accompanying drawing 1 is the invention structural representation;
Accompanying drawing 2 is structural principle structural representation of the present invention;
Accompanying drawing 3 is faced structural representation for the present invention;
Accompanying drawing 4 is plan structure synoptic diagram of the present invention.
In the accompanying drawings: 1 tensimeter case, 2 precision pressure gauges, 3 air inlet reverse checkvalves, 4 source of the gas output interfaces, 5 output valuators, 6 exhaust valuators, 7 pressure indicators, 8 handles, 9 communicating pipe B, 10 pressure pans, 11 air inlet threeways, 12 output threeways, 13 connecting pipes, 14 communicating pipe A, 15 gas outlets, 16 draft tube.
Embodiment
Like Fig. 1,2,3, shown in 4; The present invention includes tensimeter case 1, be arranged on pressure indicator 1 on the tensimeter case 1, be arranged on precision pressure gauge 2 in the tensimeter case 1 and the pressure pan 10 that is arranged on precision pressure gauge 2 lower ends; One side of described pressure pan 10 is provided with air inlet reverse checkvalve 3 through draft tube 16, and draft tube 16 is provided with air inlet threeway 11, and connecting pipe 13 is set in the air inlet threeway 11; The other end of connecting pipe 13 is connected with pressure pan pressure indicator 7; Opposite side at pressure pan 10 is provided with gas outlet 15, and the end of gas outlet 15 is provided with source of the gas output interface 4, and gas outlet 15 is provided with output valuator 5; In precision pressure gauge 2 lower ends communicating pipe A 14 is set; Exhaust valuator 6 is set on the other end of communicating pipe A 14, output threeway 12 is set on the gas outlet 15, the communicating pipe B 9 that is provided with in the output threeway 12 is communicated with gas outlet 15.
Like Fig. 1,2,3, shown in 4; When pressure testers verification differential pressure transmitter of the present invention and pressure unit, earlier source of the gas is pressurizeed observation pressure pan pressure indicator 7 in the pressure process to pressure pan 10 through air inlet check valve port 3; General differential pressure transmitter pressurization 0.5MPa gets final product; The tester of the present invention that will add pressure then takes the scene to, and instrument power is motionless, and transmitter output connects milliammeter; Source of the gas output interface 4 butt joints with transmitter plemum and tester of the present invention; Open output valuator 5 gently; When having treated a point pressure, close output valuator 5, observe the pointer of precision pressure gauge 2; See to have or not decline whether have air pressure to leak (leaking the precision pressure list index if any air pressure descends) to confirm connection; When confirming that connecting air pressure does not have leakage; Open exhaust valuator 6, emptying plemum air pressure, begin to carry out verification by the correct alignment step of differential pressure transmitter this moment; Verification finishes the behaviour in service that transmitter is recovered in the back, and this is the checking procedure of a differential pressure transmitter and pressure unit; Ten above transmitters of verification but tester pressure pan 10 of the present invention once pressurizes.
Tester of the present invention detects the mesohigh jar as source of the gas, and to the calibrated meter output pressure, the corresponding precision pressure gauge standard value of output valve is regulated the output current of transmitter according to constant atmospheric pressure value according to the range of calibrated meter; Make transmitter electric current output conformance with standard value, reach the purpose of verification, apparatus of the present invention are simple in structure; In light weight, handle 8 is installed on the tester, easy to carry; Flexible operation has reduced dismounting transmitter consumed time, has reduced the error that the collision of transportation moderately gusty air causes; When improving verification efficient, can guarantee the accuracy of instrument check; Simultaneously, in whole checking procedure, without any need for electronic pressurized equipment, incompetent consume is lost, and uses tester low-carbon environment-friendly of the present invention, energy-conservation, efficient, and experiment device of the present invention is simple to operate, and verification is time saving and energy saving.
Claims (1)
1. portable pressure tester; It is characterized in that it comprises tensimeter case (1), is arranged on pressure indicator (7) on the tensimeter case (1), is arranged on precision pressure gauge (2) in the tensimeter case (1) and the pressure pan (10) that is arranged on precision pressure gauge (2) lower end; One side of described pressure pan (10) is provided with air inlet reverse checkvalve (3) through draft tube (16); Draft tube (16) is provided with connecting pipe (13); The other end of connecting pipe (13) is connected with pressure indicator (7), is provided with gas outlet (15) at the opposite side of pressure pan (10), and the end of gas outlet (15) is provided with source of the gas output interface (4); Gas outlet (15) is provided with output valuator (5); In precision pressure gauge (2) lower end communicating pipe A (14) is set, exhaust valuator (6) is set on the other end of communicating pipe A (14), gas outlet (15) is communicated with through communicating pipe B (9) with communicating pipe A (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110250203 CN102323006B (en) | 2011-08-29 | 2011-08-29 | Portable pressure calibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110250203 CN102323006B (en) | 2011-08-29 | 2011-08-29 | Portable pressure calibrator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102323006A true CN102323006A (en) | 2012-01-18 |
| CN102323006B CN102323006B (en) | 2013-06-12 |
Family
ID=45450795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110250203 Expired - Fee Related CN102323006B (en) | 2011-08-29 | 2011-08-29 | Portable pressure calibrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102323006B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103217281A (en) * | 2013-03-26 | 2013-07-24 | 南京化工职业技术学院 | Pneumatic control valve adjustment-calibration device |
| CN103542980A (en) * | 2013-09-30 | 2014-01-29 | 中国人民解放军国防科学技术大学 | Hypersonic aircraft pre-shooting pressure valve calibration method |
| CN103983810A (en) * | 2014-05-21 | 2014-08-13 | 天津大唐国际盘山发电有限责任公司 | Connecting device for verification of oil station differential pressure switch |
| CN109238557A (en) * | 2018-11-27 | 2019-01-18 | 青岛大学 | A kind of intelligent self-diagnosing formula pressure transmitter device |
| CN113483946A (en) * | 2021-06-01 | 2021-10-08 | 广西防城港核电有限公司 | Water filling and exhausting system and method for differential pressure transmitter |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1042990A (en) * | 1988-12-02 | 1990-06-13 | 白龙山 | A kind of portable manometer calibrator |
| US5837881A (en) * | 1996-12-23 | 1998-11-17 | Martin; Scott | Pressure gauge calibrating device |
| CN2577271Y (en) * | 2002-11-08 | 2003-10-01 | 大庆油田有限责任公司 | Portable checking water for metering device |
| 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 |
-
2011
- 2011-08-29 CN CN 201110250203 patent/CN102323006B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1042990A (en) * | 1988-12-02 | 1990-06-13 | 白龙山 | A kind of portable manometer calibrator |
| US5837881A (en) * | 1996-12-23 | 1998-11-17 | Martin; Scott | Pressure gauge calibrating device |
| CN2577271Y (en) * | 2002-11-08 | 2003-10-01 | 大庆油田有限责任公司 | Portable checking water for metering device |
| 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 |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103217281A (en) * | 2013-03-26 | 2013-07-24 | 南京化工职业技术学院 | Pneumatic control valve adjustment-calibration device |
| CN103542980A (en) * | 2013-09-30 | 2014-01-29 | 中国人民解放军国防科学技术大学 | Hypersonic aircraft pre-shooting pressure valve calibration method |
| CN103983810A (en) * | 2014-05-21 | 2014-08-13 | 天津大唐国际盘山发电有限责任公司 | Connecting device for verification of oil station differential pressure switch |
| CN103983810B (en) * | 2014-05-21 | 2017-01-25 | 天津大唐国际盘山发电有限责任公司 | Connecting device for verification of oil station differential pressure switch |
| CN109238557A (en) * | 2018-11-27 | 2019-01-18 | 青岛大学 | A kind of intelligent self-diagnosing formula pressure transmitter device |
| CN113483946A (en) * | 2021-06-01 | 2021-10-08 | 广西防城港核电有限公司 | Water filling and exhausting system and method for differential pressure transmitter |
| CN113483946B (en) * | 2021-06-01 | 2023-04-28 | 广西防城港核电有限公司 | Water filling and exhausting system and method for differential pressure transmitter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102323006B (en) | 2013-06-12 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20160829 |
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| CF01 | Termination of patent right due to non-payment of annual fee |