Electronic automatic verification device for soap film flow

A verification device and soap film technology, applied in the direction of measurement device, test/calibration device, test/calibration volume flow, etc., can solve the problems of unstable output of the verification device, incomplete output flow range, and inability to automatically verify the flow point, etc. Achieve the effect of improving verification efficiency, low cost of use, and automation of sealing and verification

Pending Publication Date: 2018-12-07
HENAN PROVINCE INST OF METROLOGY
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Problems solved by technology

[0007] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides an automatic electronic soap film flow verification device, which effectively solves the problem that the output of the existing verification device is unstable, the output flow range is not comprehensive, and the flow point cannot be automatically verified. Automatically generate questions to detect original records

Method used

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  • Electronic automatic verification device for soap film flow
  • Electronic automatic verification device for soap film flow
  • Electronic automatic verification device for soap film flow

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Experimental program
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Effect test

Embodiment 1

[0028] Embodiment 1, the present invention is an electronic soap film flow automatic verification device 1 system, which is characterized in that it includes an automatic pressure-stabilizing air source system, a pipeline system, a data acquisition and control system, and a host computer verification software system, wherein the automatic The stabilized air source system is used to provide a stable air source with a comprehensive output range for the device. The pipeline system is used for the verification of active flowmeters and passive flowmeters. The data acquisition and control system is used for Collect and automatically generate original records, and the verification software of the upper computer is used for the inspection and automatic verification of the airtightness of the device;

[0029] Including a gas source 1, the gas source 1 provides compressed gas for the system, one end of the gas source 1 is connected with a gas-liquid separator 2, and the gas-liquid separa...

Embodiment 2

[0030] Embodiment 2. On the basis of Embodiment 1, one end of the gas source 1 is connected to a gas storage tank 8, and the other end of the gas storage tank 8 is connected to a gas-liquid separator 2, that is, the gas storage tank 8 is located at Between the gas source 1 and the gas-liquid separator 2, the gas storage tank 8 is used to store the compressed gas output by the gas source 1, and the gas storage tank 8 is fixedly connected with a barometer so that the operator can read the gas storage tank 8, so that it can be adjusted in time.

Embodiment 3

[0031] Embodiment 3, on the basis of Embodiment 1, the air source 1 is provided by an air compressor, and the air source in this device is provided by an air compressor, which is relatively low in cost, and also conforms to the requirements of the follow-up structure in this device on the air source. basic requirements.

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Abstract

The invention relates to an electronic automatic verification device for soap film flow. The problem that output of an existing verification device is unstable and an original record of detection cannot be automatically generated is effectively solved. According to the technical scheme, the device includes an automatic stabilization gas source system, a pipeline system, a data acquisition and control system, and an upper computer verification software system; the automatic stabilization gas source system includes a gas source, one end of the automatic stabilization gas source system is communicated with a gas-liquid separator, the other end of the gas-liquid separator is communicated with a precise pressure regulating valve, the other end of the precise pressure regulating valve is communicated with a solenoid valve, the other end of the solenoid valve are communicated with three mass flow controllers with different flow ranges respectively, and the three mass flow controllers with different flow ranges refer to the small mass flow controller, the middle mass flow controller and a big mass flow controller. The other ends of the three mass flow controllers are communicated with buffering tanks with different volumes respectively, and the three buffering tanks are communicated with an air outlet. The output of the device is stable and the practicability is high.

Description

technical field [0001] The invention relates to the technical field of gas flow measurement, in particular to an automatic electronic soap film flow verification device. Background technique [0002] The electronic soap film flowmeter uses a photoelectric sensor and a high-precision crystal oscillator to replace the human eye reading and the hand pinch stopwatch timing when the observer observes the soap film flowing through the upper and lower scale lines of the soap film tube, which reduces the reading error and timing error, and improves the quality of life. measurement accuracy. At the same time, the electronic soap film flowmeter adopts advanced high-precision temperature and pressure measurement electronic components, which can realize automatic collection of temperature and pressure parameters and improve measurement efficiency. Therefore, electronic soap film flowmeters have replaced soap film flowmeters and are widely used in various fields such as industrial produ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F25/00
CPCG01F25/10
Inventor 李建鹏闫继伟师恩洁欧阳浩宇刘慧媛杨占旗班继民张朝瑞陈雨马帅吴钢许雪琼刘文思王琳张朋丁腾飞
Owner HENAN PROVINCE INST OF METROLOGY
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