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Optical detection method for sealing performance of inflating valve

A technology of optical detection and valve, applied in the direction of liquid tightness measurement using liquid/vacuum degree, and detecting the appearance of fluid at the leak point, etc., can solve slow sealing needle, eye fatigue, difficult sealing needle observation, etc. question

Pending Publication Date: 2022-01-11
宁波研新工业科技有限公司
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Problems solved by technology

[0002] In the prior art, a 10*10 air valve is usually connected to a sealing needle, and one end of the sealing needle is placed in water, and then the air valve is opened to allow the air valve to ventilate, and the part of the sealing needle in the water is manually observed , to distinguish whether there are bubbles coming out of the part where the sealing needle is located in the water; because the sealing needles are all facing downwards, the human field of vision is limited, it is difficult to observe the situation of each sealing needle at the same time, and the slow leaking seal Needles are difficult to distinguish with the naked eye, and long-term observation can easily lead to eye fatigue

Method used

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Embodiment 1

[0020] The optical inspection method for air valve sealing performance described in this embodiment is divided into the following steps: a. The 10*10 sealing pins arranged on the platform are respectively embedded with the 10*10 air valves; b. Open the air valve of the equipment , so that the 10*10 valves start to ventilate, and at the same time put the platform connected with the valves into the water tank;

[0021] c. Simultaneously capture the bottom of the 10*10 sealing needles in real time through the camera set at the bottom of the water tank;

[0022] d. Transfer the pictures collected by the camera to the processor for automatic comparison and analysis of air tightness;

[0023] e. Display the analysis structure of the airtightness of the valve on the program interface.

[0024] In the step b, between putting the platform connected with the air valve into the water tank and the real-time collection of the bottom of the 10*10 sealing needle in step c, there is a stabil...

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Abstract

The invention relates to an optical detection method for the sealing performance of an inflating valve, and the method mainly comprises the steps: arranging a plurality of sealing needles on a platform, enabling the inflating valve to be connected with the sealing needles disposed on the platform in a downward pressing manner, putting the platform into water, carrying out the ventilation of the inflating valve, and after a period of stabilization time, shooting the state of the sealing needle in water in real time through the high-precision camera arranged below the platform and the light sources arranged on the periphery of the high-precision camera, and if bubbles emerge below the sealing needle, indicating that the sealing performance of the inflating valve is poor, wherein bubbles emerging from the lower part of the sealing needle present a bubble area in a picture shot by the camera; meanwhile, after the camera collects pictures in real time, enabling the processing system to detect the area of a bubble area in the pictures, judging whether bubbles are increased or not, and judging the sealing performance of the inflating valve.

Description

technical field [0001] The invention relates to the detection of air valve sealing performance, in particular to an optical detection method of air valve sealing performance. Background technique [0002] In the prior art, a 10*10 air valve is usually connected to a sealing needle, and one end of the sealing needle is placed in water, and then the air valve is opened to allow the air valve to ventilate, and the part of the sealing needle in the water is manually observed , to distinguish whether there are bubbles coming out of the part where the sealing needle is located in the water; because the sealing needles are all facing downwards, the human field of vision is limited, it is difficult to observe the situation of each sealing needle at the same time, and the slow leaking seal Needles are difficult to distinguish with the naked eye, and long-term observation can easily lead to eye fatigue. Contents of the invention [0003] In order to solve the above problems, the pr...

Claims

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Application Information

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IPC IPC(8): G01M3/06
CPCG01M3/06
Inventor 徐民林群包建刚
Owner 宁波研新工业科技有限公司
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