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Inertia type instrument closed structure internal recycling cleaning device

A technology for inertial instruments and cleaning equipment, which is applied in the field of cleaning equipment and internal circulation cleaning equipment for the airtight structure of inertial instruments. It can solve the problems of incomplete cleaning and large particles, and achieve the effect of diversifying cleaning methods and improving production efficiency.

Active Publication Date: 2013-05-08
北京航天兴华科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The airtight structure of the existing inertial instrument is cleaned by high-pressure blowing with clean air—the gyroscope assembly is placed in a clean cleaning solution, and clean air is introduced from the oil (air) circuit, and the cleaning is repeated. The particles are relatively large, and the method of high pressure blowing cannot be completely cleaned

Method used

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  • Inertia type instrument closed structure internal recycling cleaning device
  • Inertia type instrument closed structure internal recycling cleaning device
  • Inertia type instrument closed structure internal recycling cleaning device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Example 1: Open cleaning method

[0026] Such as image 3 As shown, the oil inlet of the gyro assembly is connected after the second filter G2, the oil outlet of the gyro assembly is disconnected from the third filter G3, and the sealing cover of the gyro assembly at one end is opened to make it an open structure, and the The gyro assembly is placed in a clean container. Set the cleaning time, turn on the centrifugal pump, and start the open cleaning. After cleaning, take out 100ml of cleaning solution, filter it through filter paper into a clean container, check that there are no particles larger than 2 microns on the surface of the filter paper under an ultra-depth-of-field microscope, and repeat the cleaning until there are no particles larger than 2 microns on the filter paper, and determine the final cleaning time.

Embodiment 2

[0027] Example 2: Closed pulse cycle cleaning method

[0028] The pulse solenoid valve is connected in series between the oil inlet of the gyro assembly and the second filter G2, the oil outlet of the gyro assembly is connected to the third filter G3, and the cleaning times and cleaning frequency are set such as pulse width 2s, controlled by the controller The switch of the pulse solenoid valve can realize the alternate operation of continuous cycle cleaning and pulse cycle cleaning. After cleaning, install process plugs at the oil inlet and outlet of the gyro assembly to prevent pollution.

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Abstract

The invention discloses an inertia type instrument closed structure internal recycling cleaning device. According to oil circuit (gas circuit) characteristics, a liquid flow recycling cleaning method is adopted, when cleaning fluid enters the front end of a product, two filters connected in series are used for filtering the cleaning fluid, and the cleaning fluid enters the product after being filtered by the filters and returns to a liquid storage box after being filtered by the filters again. Liquid flows continuously under certain pressure in a cavity, and therefore instrument internal cleaning fluid can achieve turbulent flow effect and clean internal redundancies well, and cleaning time or a cleaning pulse width can be controlled through a controller during cleaning. The inertia type instrument closed structure internal recycling cleaning device can be connected with various inertia type instruments for cleaning through transitional tools, and therefore production efficiency is improved. According to the inertia type instrument closed structure internal recycling cleaning device, an open type cleaning mode and a closed pulse recycling cleaning mode can be selected, when different inertia type instruments are cleaned, cleaning parameters can be confirmed through open type cleaning redundancy detection conditions, closed pulse recycling cleaning can be carried out after assembly according to cleaning parameters, and cleaning modes are diversified.

Description

technical field [0001] The invention relates to a cleaning device, in particular to an internal circulation cleaning device of a closed structure of an inertial instrument, which belongs to the technical field of instruments and meters. Background technique [0002] Inertial instruments have the characteristics of complex structure, small size of parts and components, high processing precision, small movement gap (micron level) between sensitive parts and mating parts, and sensitivity to tiny excess. Function. The problem of redundant matter is the focus and difficulty of quality control in the manufacturing process of inertial instruments, especially in hydrostatic floating instruments, due to the fluidity of the floating liquid inside the instrument, the hazard of redundant matter is more serious. The cleaning object of the present invention is an inertial instrument with the characteristics of an oil (gas) circuit. The structure of this type of instrument is as follows: ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B08B9/00B08B13/00
Inventor 李铮黄炎刘金龙
Owner 北京航天兴华科技有限公司
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