Rapidly-installed vacuum load switch used for outage-free task
A vacuum load and switch technology, applied in electric switches, high-voltage/high-current switches, circuits, etc., can solve problems such as low reliability, complex structure, and bulky volume, and achieve good breaking performance, small size, and compact structure simple effect
Active Publication Date: 2013-11-27
ZHUHAI XJ ELECTRIC
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Problems solved by technology
However, most of the existing load switches are often complex in structure, bulky, and low in reliability, which limits their application in distribution networks. 6 Continuing in-depth discussions on environmental issues in SF 6 Before the gas substitute products are available, the fast-installed vacuum load switch for non-stop operation with high reliability, full insulation, maintenance-free, and small size is exactly a clean and environmentally friendly switchgear that is needed in the smart distribution network.
Method used
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[0014] Such as figure 1 As shown, the present invention includes an air box 1, an insulating main shaft 2, a vacuum interrupter 3, a quick socket 4, a protective cover 5, an operating handle 6, a mechanism box 7, a spring operating mechanism 8, a nuclear phase device 9, and an inlet and outlet line sleeve 10 and protective frame 11. The two ends outside the air box 1 are provided with the above-mentioned quick socket 4, and the two sides of the inside of the air box 1 are respectively provided with a vacuum interrupter 3 connected to the external quick socket 4, and an incoming and outgoing line sleeve 10. The vacuum interrupter 3 and the inlet and outlet bushings 10 are connected by a connecting rod 14. Specifically, the connecting rod 14 is connected to one end of the vacuum interrupter 3, and the vacuum interrupter is realized by the axial movement of the connecting rod 14. 3. Closing and separation of internal contacts; the vertical connecting rod 14 of the insulating mai...
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The invention discloses a rapidly-installed vacuum load switch used for an outage-free task, and the switch is high in reliability, convenient in operation, small in volume and stable in property. The switch comprises a mechanism box (7), an air box (1), a spring operating mechanism (8), an insulated main shaft (2) and an operating handle (6), wherein the two external sides of the air box (1) are provided with rapid sockets (4); the two internal sides of the air box (1) are respectively provided with a vacuum arc extinguish chamber (3) and a line incoming and outgoing sleeve (10) which are connected with the external rapid sockets (4), and the vacuum arc extinguish chamber (3) is connected with the line incoming and outgoing sleeve (10) through a connecting pull rod (14); and the insulated main shaft (2) is vertical to the connecting pull rod (14), is arranged in the air box (1) and can rotate freely, and the connecting pull rod (14) is overlapped on the insulated main shaft (2). The switch provided by the invention can be widely applied to the field of intelligent distribution networks.
Description
technical field [0001] The invention relates to a fast-installed vacuum load switch for non-stop operation. Background technique [0002] With the rapid development of the national smart distribution network, higher requirements are put forward for the reliability of power supply and the reduction of losses caused by power outages. Non-stop operation has become the general trend. SF has been developed at home and abroad 6 The switch for non-stop operation of arc extinguishing, when there is a fault in the operation line, through the operation of the quick-installed vacuum load switch for non-stop operation, the power supply is led to the temporary bypass power supply cable line, and the uninterrupted power supply to the user is maintained, and then Disconnect the power supply of the operation line section and enter the operation requirements under the power failure state. However, most of the existing load switches are often complex in structure, bulky, and low in reliabil...
Claims
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IPC IPC(8): H01H33/66H01H33/664H01H33/666
Inventor 钱远驰钟子华吴伟李斐刚
Owner ZHUHAI XJ ELECTRIC