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Liquid state medium dropping detection method

A liquid medium and detection method technology, applied in the direction of detecting the appearance of fluid at the leakage point, using liquid/vacuum degree for liquid tightness measurement, measuring device, etc., can solve the problems of reducing detection reliability and high labor intensity, etc. Achieve the effect of simple method and high reliability

Inactive Publication Date: 2005-02-16
SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Manual methods are labor-intensive and not the direction of development; quality inspection methods require high-precision balances and shockproof, windproof and other facilities; photoelectric detection methods: due to the change of the detected medium, the light transmittance is affected, and both are extremely susceptible Environmental interference, resulting in false signals or lost signals, reducing the reliability of detection

Method used

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  • Liquid state medium dropping detection method

Examples

Experimental program
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Embodiment Construction

[0012] Cup test detection device such as figure 1 shown.

[0013] There is a leather cup mounting seat (9) on the side wall of the fuel tank (5), an air discharge valve (6) is arranged on the top, an oil discharge valve (11) is arranged on the bottom, and the top is connected with the intake pipe (19). Heater (17) and temperature sensor B (18), there is bracket (12) on the outside of fuel tank (5); pressure sensor (7) and air release valve (8) are equipped on the intake pipe (19), pressure sensor (7) Give the signal of the working pressure in the fuel tank; the bracket (12) is used to fix the temperature sensor A—the thermocouple (1) and the speed sensor (2); the speed sensor (2) gives the signal of the working speed of the rotating shaft (3) .

[0014] During the test, the leather cup (4) is installed on the leather bowl mounting seat (9), and then the oil collector (10) is installed on the leather bowl mounting seat (9). When the oil collector (10) is installed, the oil dr...

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PUM

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Abstract

This is a liquid medium drain leakage testing method. Its features are: On the tested member's lower part is installed the temperature sensor to test the drain leakage liquid medium temperature. It is different to temperature of environment, and sends this electric signal to the computer, then by the curve of the real time to dynamic recording the condition of the drain leakage of liquid medium.

Description

Technical field: [0001] The invention relates to a detection method for trace liquid. Background technique: [0002] The detection method of dripping at present, commonly used is artificial method, also useful quality detection method (promptly with the variation of balance detection quality), photoelectric detection method (promptly intercepts the method for photoelectric signal with droplet). Manual methods are labor-intensive and not the direction of development; quality inspection methods require high-precision balances and shockproof, windproof and other facilities; photoelectric detection methods: due to the change of the detected medium, the light transmittance is affected, and both are extremely susceptible Environmental interference, resulting in false signals or lost signals, reducing the reliability of detection. Invention content: [0003] The purpose of the present invention is to provide a reliable liquid medium detection method suitable for automatic detect...

Claims

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Application Information

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IPC IPC(8): G01K7/02G01M3/04
Inventor 朱志新韩咏梅赵永朝
Owner SHENYANG LIMING AERO-ENGINE GROUP CORPORATION