CN202614465U - Full automatic pressure checking table of high hydrostatic pressure differential pressure transmitter - Google Patents

Full automatic pressure checking table of high hydrostatic pressure differential pressure transmitter Download PDF

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Publication number
CN202614465U
CN202614465U CN 201220302053 CN201220302053U CN202614465U CN 202614465 U CN202614465 U CN 202614465U CN 201220302053 CN201220302053 CN 201220302053 CN 201220302053 U CN201220302053 U CN 201220302053U CN 202614465 U CN202614465 U CN 202614465U
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China
Prior art keywords
pressure
differential
piston
differential pressure
checking
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CN 201220302053
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Chinese (zh)
Inventor
王建武
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HANGZHOU SHILIN AUTOMATION ENGINEERING CO LTD
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HANGZHOU SHILIN AUTOMATION ENGINEERING CO LTD
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Priority to CN 201220302053 priority Critical patent/CN202614465U/en
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Abstract

The utility model discloses a full automatic pressure checking table of a high static pressure differential pressure transmitter. The full automatic pressure checking table comprises a checking table shell and two checked differential pressure transmitter interfaces, wherein the checked differential pressure transmitter interfaces are formed at the upper end of the checking table shell; a controller as well as a static pressure piston and a differential pressure piston are arranged in the checking table shell; the static pressure piston and the differential pressure piston are connected with the checked differential pressure transmitter interfaces; a differential pressure isolation valve is arranged between the static pressure piston and the differential pressure piston; the static pressure piston is connected with a static pressure piston driving device and a static pressure sensor as well as a differential pressure sensor; the differential pressure piston is connected with a differential pressure piston driving device and a differential pressure sensor; and the controller is connected with the static pressure piston driving device, the static pressure sensor, the differential pressure piston driving device and the differential pressure sensor. According to the utility model, through the adoption of an intelligent controller, a pressure generating device can be controlled to automatically generate highest aerostatic pressure of 4 MPa or highest hydrostatic pressure of 40 MPa; meanwhile, differential pressure of each measuring range can be also automatically generated and a differential pressure signal can be protected against overpressure; and the pressure is rapidly and stably controlled.

Description

High differential static pressure pressure transmitter full-automatic pressure checking table
Technical field
The utility model relates to a kind of full-automatic pressure calibration equipment, particularly a kind of high differential static pressure pressure transmitter full-automatic pressure checking table.
Background technology
The manual checking table of high differential static pressure pressure transmitter that has only import at present utilizes gas cylinder to pass through manual adjustments and produces static pressure signal and differential pressure signal, and defencive function can't be set; Adopt two static pressure transducers to measure differential pressure signal, can't carry out high-acruracy survey to differential pressure signal, and verification process is more loaded down with trivial details through two static pressure signal arithmetical differences; To having relatively high expectations of testing person; Also, be difficult for moving, can't arrive on-the-spot the use because gas cylinder is bigger.
Summary of the invention
The purpose of the utility model is, provide a kind of and can produce high static pressure automatically, and controlled pressure is quick, stable, the high differential static pressure pressure transmitter full-automatic pressure checking table of not toning.
For realizing the purpose of the utility model, intend adopting following technical scheme:
High differential static pressure pressure transmitter full-automatic pressure checking table; Two that comprise checking table housing and checking table housing upper end by school differential pressure transmitter interface; It is characterized in that; Be provided with in the said checking table housing controller and with the static pressure piston and the differential piston that are linked to each other by school differential pressure transmitter interface; Be provided with the differential pressure separation valve door between said static pressure piston and the differential piston; Said static pressure piston is connected with static pressure piston driver and static pressure pressure transducer and differential pressure pressure transducer, and said differential piston is connected with differential piston drive unit and differential pressure pressure transducer, and said controller links to each other with static pressure piston driver, static pressure pressure transducer, differential piston drive unit, differential pressure pressure transducer.
As preferably, said controller adopts intelligent controller.
As preferably, said differential pressure pressure transducer adopts high precision differential pressure pressure transducer, and the static pressure pressure transducer adopts the high-precision static pressure pressure transducer, can carry out high-acruracy survey to differential pressure signal.
The utility model adopts intelligent controller, can automatically produce static pressure and differential pressure, automatically examines and determine the differential pressure transmitter under the high static pressure state; Can protect the differential pressure signal can overvoltage, and controlled pressure fast, stable, high-precision static pressure, differential pressure pressure transducer have been installed in inside; Can carry out high-acruracy survey to differential pressure signal; And the utility model is simple in structure, and volume and weight is less, can examine and determine at the scene of taking.
Description of drawings
Fig. 1 is high differential static pressure pressure transmitter full-automatic pressure checking table structural representation.
Among the figure: 1, static pressure piston driver; 2, static pressure piston; 3, differential piston drive unit; 4, differential piston; 5, differential pressure separation valve door; 6, high-precision static pressure pressure transducer; 7, high precision differential pressure pressure transducer; 8, intelligent controller; 9, by school differential pressure transmitter interface; 10, housing.
Embodiment
Further specify the technical scheme of the utility model below in conjunction with accompanying drawing and embodiment.
In conjunction with Fig. 1; A kind of high differential static pressure pressure transmitter full-automatic pressure checking table that present embodiment proposes; Two that comprise checking table housing 10 and checking table housing 10 upper ends by school differential pressure transmitter interface 9; Be provided with in the checking table housing 10 intelligent controller 8 and with static pressure piston that is linked to each other by school differential pressure transmitter interface 92 and differential piston 4; Be provided with differential pressure separation valve door 5 between static pressure piston 2 and the differential piston 4; Static pressure piston 2 is connected with static pressure piston driver 1 and high-precision static pressure pressure transducer 6 and high precision differential pressure pressure transducer 7, and differential piston 4 is connected with differential piston drive unit 3 and high precision differential pressure pressure transducer 7, and intelligent controller 8 links to each other with static pressure piston driver 1, high-precision static pressure pressure transducer 6, differential piston drive unit 3, high precision differential pressure pressure transducer 7.Intelligent controller 8 control differential pressure separation valve doors 5 are opened during beginning, and control static pressure piston driver 1 and differential piston drive unit 3 make two piston resets; Reset after the completion, intelligent controller 8 control static pressure piston drivers 1 produce static pressure, are controlled at static pressure on the setting value; Close differential pressure separation valve door 5; Intelligent controller 8 control differential piston drive units 3 produce differential pressure, are controlled at differential pressure on the setting value.If reasons such as leakage take place; Differential pressure signal is gone beyond the scope, and then intelligent controller 8 control differential piston drive units 3 reset, up to differential pressure signal in specialized range; If differential piston 4 has resetted; Differential pressure signal is also walked toward big direction, then opens differential pressure separation valve door 5, guarantees high precision differential pressure pressure transducer 7 and by the safety of school differential pressure pressure unit.
The utility model adopts intelligent controller 8; Can produce the highest 4MPa (air pressure) or 40MPa (hydraulic pressure) static pressure automatically by the controlled pressure generating means; Simultaneously can also produce the differential pressure of each range automatically, and can protect the differential pressure signal can overvoltage, and controlled pressure fast, stable.
More than show and described the advantage of ultimate principle, principal character and the utility model of the utility model.The technician of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the instructions that the utility model just is described; The utility model also has various changes and modifications under the prerequisite that does not break away from the utility model spirit and scope, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection domain to be defined by appending claims and equivalent thereof.

Claims (3)

1. high differential static pressure pressure transmitter full-automatic pressure checking table; Two that comprise checking table housing and checking table housing upper end by school differential pressure transmitter interface; It is characterized in that; Be provided with in the said checking table housing controller and with the static pressure piston and the differential piston that are linked to each other by school differential pressure transmitter interface; Be provided with the differential pressure separation valve door between said static pressure piston and the differential piston; Said static pressure piston is connected with static pressure piston driver and static pressure pressure transducer and differential pressure pressure transducer, and said differential piston is connected with differential piston drive unit and differential pressure pressure transducer, and said controller links to each other with static pressure piston driver, static pressure pressure transducer, differential piston drive unit, differential pressure pressure transducer.
2. full-automatic pressure checking table according to claim 1 is characterized in that, said controller adopts intelligent controller.
3. full-automatic pressure checking table according to claim 1 is characterized in that, said differential pressure pressure transducer adopts high precision differential pressure pressure transducer, can carry out high-acruracy survey to differential pressure signal.
CN 201220302053 2012-06-19 2012-06-19 Full automatic pressure checking table of high hydrostatic pressure differential pressure transmitter Active CN202614465U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220302053 CN202614465U (en) 2012-06-19 2012-06-19 Full automatic pressure checking table of high hydrostatic pressure differential pressure transmitter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220302053 CN202614465U (en) 2012-06-19 2012-06-19 Full automatic pressure checking table of high hydrostatic pressure differential pressure transmitter

Publications (1)

Publication Number Publication Date
CN202614465U true CN202614465U (en) 2012-12-19

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CN (1) CN202614465U (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103234698A (en) * 2013-04-24 2013-08-07 南京化工职业技术学院 Low-static pressure differential transmitter calibration instrument
CN103234696A (en) * 2013-04-26 2013-08-07 南京化工职业技术学院 Differential pressure transmitter checking instrument
CN103364136A (en) * 2013-06-09 2013-10-23 黄嘉华 Signal generating system and method of touch force sensor measuring pulse
CN103557990A (en) * 2013-10-11 2014-02-05 中国人民解放军63908部队 All-round verifying device for pressure instrument equipment
CN103604560A (en) * 2013-11-06 2014-02-26 苏州贝克微电子有限公司 Pressure sensor with automatic reference
CN104655364A (en) * 2015-03-13 2015-05-27 中国航空工业集团公司北京长城计量测试技术研究所 Pressure division mode high-static-pressure differential pressure generating device and method
CN110514353A (en) * 2019-03-20 2019-11-29 张红刚 Pressure chamber piston manometer
CN112326111A (en) * 2020-11-08 2021-02-05 中国航空工业集团公司北京长城计量测试技术研究所 High-low temperature sine pressure calibration device

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103234698A (en) * 2013-04-24 2013-08-07 南京化工职业技术学院 Low-static pressure differential transmitter calibration instrument
CN103234696A (en) * 2013-04-26 2013-08-07 南京化工职业技术学院 Differential pressure transmitter checking instrument
CN103364136A (en) * 2013-06-09 2013-10-23 黄嘉华 Signal generating system and method of touch force sensor measuring pulse
CN103557990A (en) * 2013-10-11 2014-02-05 中国人民解放军63908部队 All-round verifying device for pressure instrument equipment
CN103557990B (en) * 2013-10-11 2016-04-06 中国人民解放军63908部队 The all-round calibrating installation of a kind of manometer equipment
CN103604560A (en) * 2013-11-06 2014-02-26 苏州贝克微电子有限公司 Pressure sensor with automatic reference
CN104655364A (en) * 2015-03-13 2015-05-27 中国航空工业集团公司北京长城计量测试技术研究所 Pressure division mode high-static-pressure differential pressure generating device and method
CN110514353A (en) * 2019-03-20 2019-11-29 张红刚 Pressure chamber piston manometer
CN112326111A (en) * 2020-11-08 2021-02-05 中国航空工业集团公司北京长城计量测试技术研究所 High-low temperature sine pressure calibration device

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