Intelligent cable section cabinet interlocking device
A technology of interlocking device and smart cable, applied in circuits, electrical switches, electrical components, etc., can solve the problems of increased cost, rough interlocking structure, and unsightly appearance.
Active Publication Date: 2020-03-31
BEIJING SOJO ELECTRIC
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Problems solved by technology
The interlocking structure for this product is rough, which is not beautiful and increases the cost; moreover, in the prior art, the opening, closing, grounding interlocking, and tripping devices are complicated, and the connections between the parts are unreliable, resulting in the entire The interlock is unreliable, and even misoperation may cause accidents
Method used
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Embodiment Construction
[0015] Such as figure 1 Shown and combined figure 2 As shown, the interlocking device of the intelligent cable section cabinet of the present invention includes a first interlocking mechanism, a second interlocking mechanism, and a third interlocking mechanism. The first interlocking mechanism includes a first rotating arm 4 and The first interlocking plate 5, the first rotating arm 4 is fixed on the main drive shaft 3 of the circuit breaker. When the circuit breaker is closed, the main drive shaft 3 of the circuit breaker drives the first rotating arm 4 to rotate, The first rotating arm 4 drives the first interlocking plate 5 to block the grounding hole. The second interlocking mechanism includes a second rotating arm 7 and a second interlocking plate 8 connected to each other. The second rotating arm 7 It is fixed on the grounding operating shaft 6. When the switch is grounded, the grounding operating shaft 6 drives the second turning arm 7 to rotate, and the second turning ...
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The invention discloses an interlocking device for an intelligent cable segmented cabinet. The interlocking device comprises a first interlocking mechanism, a second interlocking mechanism and a thirdinterlocking mechanism, wherein the first interlocking mechanism comprises a first rotating connecting lever and a first interlocking plate, the first rotating connecting lever is fixedly arranged onthe main transmission shaft of a circuit breaker, when the circuit breaker is closed, the main transmission shaft of the circuit breaker drives the first rotating connecting lever to rotate, and thefirst rotating connecting lever drives the first interlocking plate to shield a ground hole; the second interlocking mechanism comprises a second rotating connecting lever and a second interlocking plate, the second rotating connecting lever is fixedly arranged on a ground operation shaft, when the switch is grounded, the ground operation shaft drives the second rotating connecting lever to rotate, and the second rotating connecting lever drives the second interlocking plate to shield closing operation of a closing plate; the third interlocking mechanism comprises a tripping column and a transmission device, and when a fuse protector is tripped, the tripping column drives tripping operation of a tripping plate through the transmission device. The invention aims to provide the interlockingdevice for the intelligent cable segmented cabinet which is simple in structure and simple and convenient in operation.
Description
Technical field [0001] The present invention relates to a new type of interlocking device on AC power distribution equipment, in particular to a 12kV smart cable section cabinet for the opening and closing, grounding interlocking and fuse tripping interlocking of a circuit breaker. Misoperation of the device. Background technique [0002] At present, the intelligent cable section cabinet is a new product, which is an automatic protection device used to demarcate and isolate faulty line sections in the power distribution system. When a single-phase ground fault or interphase short-circuit fault occurs on a user branch line, the boundary switch will automatically open, discard the faulty branch line, and only be responsible for the power outage of the user to ensure the safe operation of the substation and other branch users on the feeder. In addition, it can also actively report fault information, so that the power company can quickly identify the point of the accident, timely de...
Claims
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IPC IPC(8): H01H9/20
CPCH01H9/20
Inventor 唐晓鹏孙龙王伟平陶光耀王文焦
Owner BEIJING SOJO ELECTRIC