SF6 (sulfur hexafluoride) load switch inflating cabinet (12kV/24kV) with visual windows
A technology of load switch and inflatable cabinet, applied in switchgear, switchgear setting, electrical components and other directions, can solve the problems of reducing the sealing performance of the box body, box body deformation, etc., to solve the problem of box body deformation, easy assembly, and simple structure Effect
Active Publication Date: 2013-05-22
BEIJING HEROSAIL POWER SCI & TECH
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[0003] The present invention provides a SF6 load switch inflatable cabinet with a 12kV / 24kV visible window, which includes multiple load switch circuits in a sealed gas box filled with sulfur hexafluoride (SF6) gas with a certain working pressure, and each circuit A visual window is added to the operation panel, so that the on-site operators can directly observe the relative position of the dynamic and static contacts inside the switch without any external light source, so as to directly judge the closing, opening or grounding status of the switch, so as to avoid The misleading switch state caused by the failure of the operating mechanism will cause personal injury accidents; at the same time, it effectively solves the deformation of the box and the reduction of the sealing performance of the box due to the increase of the visible window on the larger box. the puzzle
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[0029] The embodiments of the present invention will be further described below in conjunction with the drawings.
[0030] A 12kV / 24kV SF6 load switch gas-filled cabinet with a visual window includes a switch cabinet body, the switch cabinet body includes a sealed gas box filled with SF6 gas with a certain working pressure, and the gas box includes one or more One or more switch circuits composed of load switches, the operation surface of each circuit of the air box body is opened with a visual window that can observe the state of the three positions of the load switch, such as figure 1 , 2 As shown, the load switch body 1 of one of the circuits is located in the stainless steel gas box body 2, and the position of the visual window 3 is opened at a position that can display the three station states of the load switch body 1. figure 1 In the middle, the left side of the visible window 3 shows the grounding position 9, the middle shows the closing position 7, the right side shows the...
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The invention provides an SF6 (sulfur hexafluoride) load switch inflating cabinet (12kV / 24kV) with visual windows. The SF6 load switch inflating cabinet comprises a switchgear body, wherein, the switchgear body comprises a sealed gas tank filled with SF6 gas with certain operating pressure, the gas tank is internally provided with one or more than one switch circuit composed of one or more than one load switch, and an operation surface of each circuit is equipped with one visual window through which the status of three stations of the load switches can be observed; visual window reinforcing plates are arranged inside the gas tank body and correspond to the visual windows; and the visual windows are provided with transparent covers, and the transparent covers are hermetically connected with frames of the visual windows. By adopting the SF6 load switch inflating cabinet, a field operator can directly observe the relative position of moving and stationary contacts in the switches by naked eyes without any external light source so as to directly judge the switching on / off or grounding status of the switches; and meanwhile the difficulties such as deformation and tightness reduction ofthe tank body, resulting from the addition of visual windows to the tank body with larger volume, can be solved.
Description
Technical field [0001] The invention relates to a load switch inflatable cabinet, in particular to a 12kV / 24kV SF6 load switch inflatable cabinet with visible windows. Wherein SF6 stands for sulfur hexafluoride. Background technique [0002] With the rapid development of social economy, the electricity load continues to increase, and the requirements for the reliability of the high-voltage power supply system are getting higher and higher. The operation and maintenance of the high-voltage power supply system often brings great dangers, often due to incorrect operation. It will cause injury and death of operators. The SF6 load switch inflatable cabinet is a load switch inflatable cabinet that uses sulfur hexafluoride gas insulation. It is a switchgear widely used in high-voltage power supply systems. In order to ensure the reliable operation of the switch, the operation and maintenance of the high-voltage switch has a certain operation process to protect the personnel During the...
Claims
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IPC IPC(8): H02B13/035H02B13/045
Inventor 刘玉刚王德明
Owner BEIJING HEROSAIL POWER SCI & TECH