Unlock instant, AI-driven research and patent intelligence for your innovation.

Calibration system and method for pressure sensor of flow integrator

A pressure sensor and flow totalizer technology, which is applied in the measurement of fluid pressure, instruments, measuring devices, etc., can solve the problems of low efficiency and error-prone manual calibration, so as to improve work efficiency, avoid inaccurate calibration, and avoid troublesome problems. Effect

Active Publication Date: 2013-02-13
CHENGDU QIANJIA TECH CO LTD
View PDF4 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the shortcomings of manual calibration that is prone to error and low efficiency in the prior art, and provide a calibration system for pressure sensors of flow totalizers, which can improve the calibration accuracy and work efficiency of pressure sensors

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Calibration system and method for pressure sensor of flow integrator
  • Calibration system and method for pressure sensor of flow integrator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] The calibration system for a pressure sensor of a flow totalizer provided in this embodiment includes a flow totalizer, the flow totalizer is connected to a pressure sensor, the pressure sensor is connected to a pressure calibration device, and the pressure calibration device includes a pressure source and a The pressure gauge and the pressure sensor are connected to the pressure source, the pressure source is connected to the pressure gauge, the pressure source and the pressure gauge are both connected to the upper computer through RS232, and the upper computer is connected to the flow totalizer through the RS485 bus.

[0023] Using the calibration system of the flow totalizer pressure sensor listed in this embodiment, when calibrating the pressure sensor, adjust the pressure source so that the pressure of each calibration point of the pressure sensor is the required calibration pressure value, and the upper computer calculates the pressure gauge and the pressure. The d...

Embodiment 2

[0026] refer to figure 1 , The calibration system for the pressure sensor of a flow totalizer provided in this embodiment includes a flow totalizer, the flow totalizer is connected to a pressure sensor, the pressure sensor is connected to a pressure source, and the pressure source is connected to a pressure gauge, so Both the pressure source and the pressure gauge are connected with the upper computer through RS232, and the upper computer is connected with the flow totalizer through the RS485 bus.

[0027] The flow totalizer includes a main board, a pressure sensor pre-processor and a liquid crystal display. The pressure sensor pre-processor is provided with an EEPROM memory, and the main board is provided with a pressure sensor pre-processor general interface. The pressure sensor preprocessor is connected with the main board through the general interface, and the general interface is 1 2 C bus interface, the main board is electrically connected with the liquid crystal displ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a calibration system for a pressure sensor of a flow integrator. The calibration system for the pressure sensor of the flow integrator comprises the flow integrator, wherein the flow integrator is connected with the pressure sensor, the pressure sensor is connected with a pressure source, the pressure source is connected with a pressure gage, the pressure source and the pressure gage are both connected with an upper computer, and the upper computer is connected with the flow integrator. The calibration system is provided with the upper computer which achieves calculating and inputting of data needed to be input into the flow integrator, manual operation is not needed, intelligentized calibration is achieved, inaccurate calibration caused by manual display data observing and data calculating errors is avoided, troubles of manual data inputting by using tiny buttons are removed, and work efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of calibration of a flow totalizer, in particular to a calibration system of a pressure sensor of a flow totalizer and a method for using the system to realize the calibration of the pressure sensor of a flow totalizer. Background technique [0002] Flowmeter is an indispensable device for measuring the amount of liquid, steam, natural gas, etc. A flow meter generally consists of a base meter, various sensors (such as pressure sensors, temperature sensors, speed sensors, etc.) and a flow totalizer for final flow totalization. In order to improve performance indicators such as the accuracy of the flow totalizer, it is necessary to configure and calibrate the sensor output curve during the development, installation, regular calibration and replacement of the flow meter. In the prior art, in the process of calibration and configuration of pressure sensors, manual calibration is usually used for calibration and...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): G01L27/00
Inventor 刘勋赵勇雷新民
Owner CHENGDU QIANJIA TECH CO LTD