Online gas monitoring control system for gas insulation equipment based on photoelectric sensing principle

A technology of gas-insulated equipment and photoelectric sensing, applied in color/spectral characteristic measurement, measuring devices, material analysis through optical means, etc., can solve problems such as unfavorable practical application and industrialization promotion, and achieve long-term stability monitoring and safety control, fast response time, and the effect of solving online monitoring of airtight problems

Pending Publication Date: 2018-08-28
郑州力创光电技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this utility model patent has a relatively general summary of spectral absorption technology, and does not comprehensively consider the advantages and disadvantages of infrar...

Method used

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  • Online gas monitoring control system for gas insulation equipment based on photoelectric sensing principle
  • Online gas monitoring control system for gas insulation equipment based on photoelectric sensing principle
  • Online gas monitoring control system for gas insulation equipment based on photoelectric sensing principle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] Such as figure 1 , figure 2 , image 3 and Figure 4 As shown, the online gas monitoring and control system for gas-insulated equipment based on the principle of photoelectric sensing includes a gas comprehensive online monitoring mechanism, and a control analysis mechanism that is interconnected with the signal of the gas comprehensive online monitoring mechanism;

[0053] The gas comprehensive online monitoring mechanism includes an automatic valve opening and closing device 1, a filter 2, a first four-way joint 3, an infrared gas purity detection module 4, a laser gas detection module 5, an infrared gas precise measurement module 6 and a second four-way joint. Through the joint 7, the automatic valve opening and closing device 1, the filter 2 and the first four-way joint 3 are connected in sequence through the pipeline, and the automatic valve opening and closing device 1 is jointly realized by combining the mechanical valve and the electric control arm , the inf...

Embodiment 2

[0066] Such as Figure 5 , figure 2 , image 3 and Figure 4 As shown, the online gas monitoring and control system for gas-insulated equipment based on the principle of photoelectric sensing includes a gas comprehensive online monitoring mechanism, and a control analysis mechanism that is interconnected with the signal of the gas comprehensive online monitoring mechanism;

[0067] The gas comprehensive online monitoring mechanism includes an automatic valve opening and closing device 1, a filter 2, a first four-way joint 3, an infrared gas purity detection module 4, a laser gas detection module 5, an infrared gas precise measurement module 6 and a second four-way joint. Through the joint 7, the automatic valve opening and closing device 1, the filter 2 and the first four-way joint 3 are connected in sequence through the pipeline, and the automatic valve opening and closing device 1 is jointly realized by combining the mechanical valve and the electric control arm , the in...

Embodiment 3

[0077] Such as Figure 6 As shown, the difference from Embodiment 2 is that the purification module 13 includes a molecular sieve filter 131 and an activated carbon filter 132 .

[0078] In this embodiment, the purification module includes a molecular sieve filter and an activated carbon filter. These two filters can be used in combination to effectively purify the gas containing corrosive components, thereby avoiding environmental pollution and personnel injury.

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PUM

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Abstract

The invention discloses an online gas monitoring control system for gas insulation equipment based on a photoelectric sensing principle. The online gas monitoring control system comprises an online integrated gas monitoring mechanism, and a control analysis mechanism interconnected with the online integrated gas monitoring mechanism, wherein the online integrated gas monitoring mechanism comprisesan automatic valve opening/closing device, a filter, a first four-way joint, an infrared gas purity detection module, a laser gas detection module, an infrared gas accurate measurement module and a second four-way joint; the automatic valve opening/closing device, the filter and the first four-way joint are communicated in sequence by virtue of pipelines; the infrared gas purity detection module,the laser gas detection module and the infrared gas accurate measurement module are connected in parallel between the first four-way joint and the second four-way joint by virtue of pipelines. The system disclosed by the invention combines a non-dispersed infrared spectrum absorption technology and an adjustable semiconductor laser gas detection technology to analyze and detect gas components, and has the advantages of being high in testing accuracy, small in air intake amount, fast response and long service life.

Description

technical field [0001] The invention belongs to the technical field of on-line monitoring of gas-insulated equipment, and in particular relates to an on-line gas monitoring and control system of gas-insulated equipment based on the principle of photoelectric sensing. Background technique [0002] Sulfur hexafluoride (SF 6 ) gas has excellent insulation and arc extinguishing properties, and as an insulating medium can greatly reduce the size of equipment, so it is widely used in various electrical equipment such as gas insulated circuit breakers, gas insulated substations (GasIusulatedSubStation, GIS), transformers, and transformers . According to incomplete statistics, the national SF 6 There are hundreds of thousands of high-voltage switches and fully enclosed combined electrical appliances GIS, which have become the main equipment of the power system, and their application has played a very good role in improving the safe and economical operation of power production. Pu...

Claims

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Application Information

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IPC IPC(8): G01N21/3518G01N21/39
CPCG01N21/3518G01N21/39
Inventor 刘云峰章欣苏翔云
Owner 郑州力创光电技术有限公司
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