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A vacuum detection system and method

A technology of vacuum degree and vacuum chamber, which is used in measuring devices, measuring fluid pressure, and electric fluid pressure control. It can solve the problems of labor, low efficiency, and easy misjudgment.

Active Publication Date: 2021-07-06
深圳威思派技术有限公司
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Problems solved by technology

This method is inefficient and requires manual judgment, which is prone to misjudgment

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  • A vacuum detection system and method
  • A vacuum detection system and method

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Embodiment Construction

[0036] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0037] Existing vacuum degree detection is manual detection method, the present invention provides an automatic vacuum degree detection system 100 for detecting the vacuum degree of the vacuum sensor 60, figure 1 It is a schematic structural diagram of a vacuum degree detection system 100 according to an embodiment of the present invention, as figure 1 As shown, the vacuum degree detection system 100 of the present embodiment includes a vacuum chamber 10, a vacuum generator 20, a negative pressure gauge 30, a vacuum sensor 60 to detect the degree of vacuum, a first electromagnetic valve 40 and a controller 70, wherein the vacuum The generator 20 is used to evacuate the vacuum chamber 10 , the negative pressure gauge 30 is used to read the vacuum d...

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Abstract

The invention discloses a vacuum degree detection system, comprising: a vacuum chamber, a vacuum generator used to evacuate the vacuum chamber, a negative pressure gauge used to read the vacuum degree in the vacuum chamber, and a vacuum chamber used to control the deflation of the vacuum chamber The first electromagnetic valve, the vacuum sensor and the controller to detect the vacuum degree; the vacuum generator, the negative pressure gauge, the vacuum sensor and the first electromagnetic valve are all connected to the vacuum chamber, and the negative pressure gauge and the vacuum sensor are also connected to the controller . Based on the vacuum degree detection system, the invention also discloses a vacuum degree detection method. The vacuum degree detection system and method can realize the automatic detection of the vacuum sensor, improve the detection efficiency, shorten the detection time, and the detection time is reduced from the original 18s to 8s; and the feedback signal is judged by the controller, avoiding manual judgment, eliminating Misjudgment.

Description

technical field [0001] The invention relates to the technical field of detection methods, in particular to a vacuum degree detection system and method. Background technique [0002] Vacuum sensor is a commonly used pressure sensor, which is widely used in various industrial automatic control environments, involving oil pipelines, water conservancy and hydropower, railway transportation, intelligent buildings, production automatic control, aerospace, military industry, petrochemical, oil wells, electric power, ships, machine tools , Ventilation pipes and many other industries. The vacuum sensor is that the pressure of the medium directly acts on the diaphragm of the sensor, causing the diaphragm to produce a micro-displacement proportional to the pressure of the medium, causing the resistance of the sensor to change, and detecting this change with an electronic circuit, and converting an output corresponding to This standard signal of stress. [0003] The vacuum degree of t...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01L27/00G05D16/20
CPCG01L27/00G05D16/20
Inventor 唐静涂彬彬
Owner 深圳威思派技术有限公司
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