A ternary gas-insulated switchgear with smell sensing function

A gas-insulated switch and mixed gas technology, which is applied in the setting of switchgear, switchgear, electrical components, etc., can solve the problems of gas pressure drop of gas-insulated equipment, slow injury to human health, and decrease of insulation level, etc., to ensure normal stability. Operation, broad engineering application prospects, the effect of reducing the greenhouse effect
CN110957663BActive Publication Date: 2021-07-02INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
Publication Date
2021-07-02

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Abstract

A ternary mixed gas insulated switchgear with an olfactory perception function, the gas insulated switchgear is a sealed container (1) encapsulated with a ternary mixed gas (2). The ternary mixed gas (2) is composed of warning gas and mixed insulating gas. The warning gas is characterized in that it is colorless, non-toxic, chemically stable, and has a strong pungent odor. The type and mixing ratio of the mixed insulating gas can be reasonably selected according to the actual application scenario. It is recommended but not limited to use C 4 F 7 N / CO 2 mixed composition. The sealed container (1) is a container for holding the ternary mixed gas (2). The sealed container (1) is equipped with a fixed spring (5), a vacuum bubble (6), a spring operating rod (4), a moving contact (8), and a moving contact operating rod (7) for current switch control, A warning gas volatilization container (11) is also provided for storage and volatilization of gas / liquid / solid volatiles.
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Description

technical field

[0001] The invention relates to a gas-insulated switchgear, in particular to a gas-insulated switchgear using a ternary mixed gas as an insulating medium. Background technique

[0002] SF 6 Gas has good insulation performance, arc extinguishing ability and chemical stability, so it is widely used in gas-insulated power transmission and transformation equipment. However, pure SF 6 The gas is very sensitive to the inhomogeneity of the electric field, and requires high processing precision for power transmission and transformation equipment. Meanwhile, SF 6 Discharge decomposition products of gases, such as SO 2 f 2 、SOF 2 、SOF 4 , SF 2 , SF 4 etc., all belong to highly toxic substances, once a leakage occurs, it will pose a great threat to the health of personnel. In addition, pure SF 6 Gas is a kind of asphyxiating gas, which can cause asphyxiation disability or death to humans if inhaled in a certain amount. In addition, the greenhouse effect of S...

Claims

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