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Valve testing device and testing method

A testing device and testing method technology, applied in mechanical valve testing, by measuring the acceleration and deceleration rates of fluids, and using liquid/vacuum for liquid tightness measurement, etc. Achieve the effect of high measurement accuracy, convenient reading, and remote alarm prompting

Pending Publication Date: 2020-11-03
普联力量流体控制(上海)有限公司
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0002] The pressure test of existing valves is usually done manually. The mechanical pressure gauge is placed on the pipeline, then the water pump is turned on, the frequency converter is manually adjusted, and the flow count value is checked to see if it is the required value. Ideal state, the operation is relatively cumbersome
Manually watch the upstream and downstream pressure and flow rate to manually calculate the pressure difference, the accuracy is low

Method used

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Embodiment Construction

[0028] The specific implementation of the valve testing device and testing method of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0029] See attached figure 1 , The valve test device is installed on the test equipment, the test equipment includes water tank 1, water inlet pipe 2 and water outlet pipe 3 and various necessary pipe fittings, water inlet pump and other components. A butterfly valve 6 is arranged between the water inlet pump 4 of the water inlet pipe 2 and the test valve 5 . One end of the butterfly valve 6 is provided with a backflow preventer 7 and a filter 8, and a flow meter 9 is provided on the outlet pipe.

[0030] The above-mentioned test components are conventional components in the test valve test process, which are expanded in the present invention, see the attached figure 2 , a control unit is set in the test device, a first pressure sensor 10 is set on the water inlet pipe close to the front...

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Abstract

The invention relates to the related technical field of pipeline accessories, and discloses a valve testing device which comprises a testing valve, a control unit; a water inlet pipe at the front endof the testing valve, a water outlet pipe at the rear end of the testing valve, a first pressure sensor arranged on the water inlet pipe close to the testing valve and a second pressure sensor arranged on the water outlet pipe close to the testing valve. The first pressure sensor and the second pressure sensor are connected to a control unit, a water inlet pump on the water inlet pipe is connectedto the control unit, and the control unit adjusts the flow of the water inlet pump according to pressure feedback of the first pressure sensor and the second pressure sensor. The invention further discloses a valve testing method, the pipeline pressure is monitored in real time by arranging the pressure sensor, water supply of the water inlet pump is adjusted, and effective testing of valve parameters is achieved.

Description

technical field [0001] The invention relates to the related technical field of pipeline fittings, in particular to a valve testing device and a testing method. Background technique [0002] The pressure test of existing valves is usually done manually. The mechanical pressure gauge is placed on the pipeline, then the water pump is turned on, the frequency converter is manually adjusted, and the flow count value is checked to see if it is the required value. In an ideal state, the operation is relatively cumbersome. Manually watch the upstream and downstream pressure and flow rate to manually calculate the pressure difference, and the accuracy is low. Contents of the invention [0003] The purpose of the present invention is to solve the above problems and provide a valve testing device and testing method. By setting a pressure sensor to monitor the pipeline pressure in real time and adjusting the water supply and electricity of the water inlet pump, effective testing of v...

Claims

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Application Information

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IPC IPC(8): G01M3/28G01M13/003
CPCG01M3/28G01M13/003
Inventor 李连亮
Owner 普联力量流体控制(上海)有限公司
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