Automatic pressure transmitter batch measurement and verification system and method

A metrological verification and transmitter technology, applied in the measurement of fluid pressure, instruments, measuring devices, etc., can solve the problems of low metrological verification efficiency of pressure transmitters, inability to realize digitization, and high probability of error introduction, and achieve rich content, The effect of improving labor efficiency and strong adaptability

Inactive Publication Date: 2018-02-23
郑显锋 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The invention provides a batch measurement and verification method and system for automatic pressure transmitters, which solves the problems of low measurement and verification efficiency of existing pressure transmitters, inability to realize digitization, intelligence and batching, and high probability of error introduction. Eliminates the problem of human active intervention in existing verification methods

Method used

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  • Automatic pressure transmitter batch measurement and verification system and method
  • Automatic pressure transmitter batch measurement and verification system and method
  • Automatic pressure transmitter batch measurement and verification system and method

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Embodiment Construction

[0042] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0043] From figure 1 It can be seen that the system of this embodiment includes a preloading device 1, a medium container 2, a digital precision pressure gauge 3, a manual fine-tuning preloading hand pump 4, a pressure relief protection valve 7, and a stop valve 5 connected in sequence on the pressure pipeline. , quick connector 6, DC standard power supply 8, multi-channel number table 9 and control system 10; the joint 6 of the pressure transmitter to be tested is used to connect the pressure transmitter to be tested; each joint 6 of the pressure transmitter to be tested corresponds to a Group stop valve 5;

[0044] The control system 10 includes a control unit, an information input unit, a data acquisition unit and a data processing unit;

[0045] The control unit is connected to the preloading device 1 to control the preloading device 1 to adjust t...

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Abstract

The invention relates to an automatic pressure transmitter batch measurement and verification system and method. The system comprises a pre-pressure device, a medium container, a digital precision pressure gauge, a manual fine-adjustment pre-pressure hand pump, a plurality of stop valves, and a plurality of inspected pressure transmitter connectors, a DC standard power supply, a multi-channel digital meter and a control system. The inspected pressure transmitter connectors are used for connecting inspected pressure transmitters, and each of the inspected pressure transmitter connectors is corresponding to a group of stop valves. The DC standard power supply supplies power to the inspected pressure transmitters. The multi-channel digital meter is used for measuring output signals of the inspected pressure transmitters. The control system comprises a control unit, an information input unit, a data acquisition unit and a data processing unit. According to the automatic pressure transmitter batch measurement and verification system and method, problems of low efficiency, no realization of digitization, intelligentization and batch processing and a large error introduction probability of existing automatic pressure transmitter batch measurement and verification are solved, and a problem of artificial active intervention of an existing verification method is eliminated.

Description

technical field [0001] The invention belongs to the field of measurement verification, and in particular relates to a batch measurement verification system and method for pressure transmitters. Background technique [0002] The existing pressure transmitter measurement verification method is to fill in the information of the pressure transmitter in the original paper record, calculate and fill in the theoretical output value of each verification point of the pressure transmitter, and its maximum allowable error, maximum allowable Return error, etc.; fill in the relevant information of digital precision pressure measurement devices (including piston pressure gauges, digital precision pressure gauges or pressure controllers, etc.) The signal type is connected to a DC standard power supply and a digital meter, or connected to a process instrument calibrator. The pressure transmitter is effectively connected with the digital precision pressure gauge, and the digital precision p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L27/00
CPCG01L27/00
Inventor 郑显锋郑颖
Owner 郑显锋
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