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Transformer oil gas detection device

A transformer oil and detection device technology, applied in the direction of sampling device, test sample preparation, etc., can solve the problems of low detection accuracy, limited diffusion area, sensor damage, etc., and achieve high detection accuracy, large penetration and diffusion area, and difficult damaged effect

Inactive Publication Date: 2012-08-01
大连世有电力科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the transformer oil at the gas filter does not flow, this kind of detection device belongs to the tube-type partial membrane penetration, the diffusion area is very limited, and the uneven force in the oil circuit can easily cause oil leakage and damage the sensor. low precision

Method used

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  • Transformer oil gas detection device
  • Transformer oil gas detection device
  • Transformer oil gas detection device

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Embodiment Construction

[0010] Such as figure 1 , 2 As shown: 2 is an upper casing, a gas sensor 1 is arranged on the inner side of the upper casing 2, and a gas chamber 3 is arranged below the gas sensor 1. A connecting sleeve 4 is welded below the upper casing 2 , and a lower casing 5 is threadedly connected below the connecting sleeve 4 . There is a transformer oil gas filter inside the lower housing 5 , and the transformer oil gas filter includes a metal particle cover 7 and a permeable membrane 10 attached to the inner surface of the metal particle cover 7 . The metal particle cover 7 is made of stainless steel particles by atomization method to produce spherical powder, and then sintered at high temperature in loose packaging. During the manufacturing process, the spherical powder is not affected by external force, and the sintering temperature is strictly controlled within a certain range. Keep the spherical shape, and form pores between the particles, and the porosity and the size between t...

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Abstract

The invention relates to a transformer oil gas detection device, which comprises an upper casing, wherein a gas sensor is arranged above the inside of the upper casing, a transformer oil gas filtration component comprising metal particles and a permeable membrane is arranged below the upper casing, a lower casing is arranged below the upper casing, the transformer oil gas filtration component is arranged in the inner cavity of the lower casing, the transformer oil gas filtration component comprises a metal particle cover and the permeable membrane attached onto the inner surface of the metal particle cover, an oil chamber is formed between the metal particle cover and the lower casing and is communicated with the upper casing through the transformer oil gas filtration component, and an oil inlet port and an oil return port are arranged on the lower casing. During installation, the oil inlet port is connected with the outlets of a valve, an oil pump and a transformer oil tank through pipes in sequence, and the oil return port is connected with the inlet of the transformer oil tank through a pipe and a valve. The transformer oil gas detection device provided by the invention has the advantages of oil flowing, large permeation diffusion area, high strength, low liability of damage, and high detection precision.

Description

technical field [0001] The invention relates to a detection device, in particular to an online transformer oil gas detection device. Background technique [0002] The existing transformer oil gas online detection device includes an upper casing, a gas sensor is arranged above the upper casing, a connection port is provided below the upper casing, and a plate-shaped transformer oil gas sensor is provided between the connection port and the inner cavity of the upper casing. The filter element includes a metal particle layer formed by loose-packing high-temperature sintering of metal particles and a polymer ceramic permeable membrane layer sprayed on its surface. During installation, the connection port communicates with the oil cavity of the transformer through the pipeline. During online detection, there is transformer oil under the transformer oil gas filter, and the gas in the oil rises to the upper casing through the gas filter, and the gas signal is collected by the gas ...

Claims

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Application Information

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IPC IPC(8): G01N1/22G01N1/34
Inventor 王世有
Owner 大连世有电力科技有限公司
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