A solid insulated switch
A solid insulating switch and housing technology, which is applied in the setting of switchgear with metal casing, etc., can solve the problems of insulating switch failure, moisture intrusion, damage, etc., and achieve the effects of good insulation performance, compact structure and small volume
Active Publication Date: 2016-08-03
CEEPOWER (FUQING) CO LTD
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Problems solved by technology
[0006] Some solid insulated switches have appeared recently, but there is no sealed connection between the operating chamber of these solid insulated switches and the pole unit of the solid insulated switch, which will cause the insulation effect of the solid insulated switch to be greatly affected by the surrounding environment, especially The weather in the southern region is relatively humid, which is very easy to cause moisture intrusion into the insulation switch and cause the insulation switch to fail or even be damaged.
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Embodiment Construction
[0019] Such as Figure 1-3 As shown in one, the present invention includes a metal casing 1 and a busbar chamber 2, a switch chamber 3 and an operating mechanism chamber 4 arranged in the metal casing 1, and the busbar chamber 2 is provided with busbar connection assemblies 21, 22, 23; The switch chamber 3 is provided with a solid-sealed pole unit 5, and the solid-sealed pole unit 5 includes an insulating pole shell 51, a three-station vacuum grounding chamber 52, an insulating rod chamber 53, and a vacuum interrupter chamber for a circuit breaker. 54. The upper conductive seat 55 and the lower conductive seat 56. The middle part of the three-station vacuum grounding chamber 52 is provided with a grounding connection end 57 extending outside the pole housing 51. The three-station vacuum grounding chamber 52 and the circuit breaker The vacuum interrupter 54 is sealed in the two isolated chambers of the pole housing 51 at the same time. The static end of the three-position vacuu...
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The invention discloses a solid insulation switch which comprises a metal shell as well as a busbar chamber, a switch chamber and an operation mechanism chamber which are arranged in the metal shell, wherein a busbar connection component is arranged in the busbar chamber; a solid seal pole unit is arranged in the switch chamber; and a sealing gasket for sealing the solid seal pole unit is arranged between the solid seal pole unit in the switch chamber and an operation mechanism in the operation mechanism chamber. By use of the sealing connection structure between the operation mechanism and the pole unit, the overall insulation sealing of the switch is realized, and the influence of condensation, moisture, dust, dirt and the like in the surrounding environment is avoided when in use. Due to the vacuum arc extinguishing technology, the danger of explosion can be avoided in the case of excessive current caused by short circuit when the switch is turned off. Meanwhile, by adopting solid vacuum insulation, no harmful gas is generated, and environmental pollution and external electromagnetic interference are avoided. With the casting molding of epoxy resin, the insulation performance among the components is better; and the structure is compact, and the volume is small.
Description
technical field [0001] The invention relates to a power insulating switch, in particular to a solid insulating switch. Background technique [0002] The power switch is one of the key equipment in the power supply industry. It is used for the protection of the safe operation of the generator set in the power station, and is also used for the switch of the power transmission and transformation line. It is one of the key components in the relay protection and plays a role in safe power transmission. Function, mines, oil fields, and enterprises are used as equipment for industrial power distribution and electric traction. From this point of view, power switches play an important role in distributing electric energy and protecting power distribution equipment. [0003] The currently used power switches and their supporting switch cabinets are generally large in size, and a large amount of SF6 gas is used, which has brought serious pollution to the environment. Due to the limita...
Claims
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IPC IPC(8): H02B13/02
Inventor 翟鹏飞
Owner CEEPOWER (FUQING) CO LTD