Device for converting pressure calibration data into data tables

A technology of calibration data and data table, which is applied in the directions of measuring devices, calibration/testing of force/torque/power measuring instruments, and measurement of fluid pressure, etc. It can solve the problem of not being able to output multiple pressure calibration data at the same time, and achieve the improvement of measurement accuracy , Wide application prospects

Inactive Publication Date: 2010-09-15
NORTHWESTERN POLYTECHNICAL UNIV
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  • Claims
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Problems solved by technology

[0003] In order to overcome the shortcomings of the prior art that multiple pressure calibration data cannot be simultaneously output and the working environment has high requirements, the invention discloses a device for converting the pressure calibratio

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  • Device for converting pressure calibration data into data tables
  • Device for converting pressure calibration data into data tables
  • Device for converting pressure calibration data into data tables

Examples

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Example Embodiment

[0013] attached figure 1 It is a schematic diagram of a device that converts pressure calibration data into a data table, wherein the incremental setter adopts a pneumatic incremental counter of model PZA and is connected to an incremental controller and a verification calculator. The incremental controller adopts the pneumatic control unit of model FESTO, in which the gas circuit is connected to the pressure stabilization container, the pressure measurement and control instrument, and the circuit is connected to the incremental setter and the data synchronization detection unit. The pressure stabilization vessel adopts the pressure vessel of model jc-3, in which the gas circuit is connected to the pressure feedback device and the incremental controller. The pressure feedback device adopts the pressure control valve model of IMAV to connect the pressure measurement and control instrument and the pressure stabilization container. The verification calculator adopts an intellige...

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Abstract

The invention discloses a device for converting pressure calibration data into data tables. In the device, a progressive setter is connected with a progressive controller, and a gas circuit of the progressive controller is connected with the progressive controller through a pressure measurement and control instrument, a pressure feedback device and a pressure stabilizing container; the progressive setter is connected with a computer through a checking arithmetic unit and a data synchronous detection unit, and the data synchronous detection unit is connected with the progressive controller, the pressure measurement and control instrument, the checking arithmetic unit, the computer and a P-V-C (Pressure-Voltage-Coefficient) data table memory; the pressure measurement and control instrument is connected with the P-V-C data table memory, the checking arithmetic unit and the computer; the computer is connected with a pressure calibration system, a temperature compensation system and multi-channel pressure measurement equipment; the P-V-C data table memory and the pressure calibration system are connected with the temperature compensation system; and the P-V-C data table memory stores P-V-C data tables under different temperature conditions. The invention can provide continuous and stable air pressure and convert the calibration data of the pressure measurement and control instrument into the P-V-C data tables.

Description

technical field [0001] The invention relates to the technical field of pressure calibration and measurement and control, in particular to a device for converting pressure calibration data into a data table. Background technique [0002] Pressure measuring equipment must be calibrated periodically to ensure accurate pressure measurement. The pressure calibration source is a special instrument for calibrating pressure measurement equipment. Generally, the accuracy of the pressure calibration source is an order of magnitude higher than that of the pressure measurement equipment. With the development of pressure calibration and measurement and control technology, the pressure measurement and control instrument has replaced the traditional pressure calibration source and realized automatic control of pressure calibration data output, data measurement, data processing and calibration of pressure measurement equipment and other functions. The pressure measuring and controlling ins...

Claims

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Application Information

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IPC IPC(8): G01L27/02G01L25/00
Inventor 金承信高正红高永卫惠增宏焦予秦
Owner NORTHWESTERN POLYTECHNICAL UNIV
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