Intelligent direct-current circuit breaker cabinet

A kind of DC circuit breaker, intelligent technology, applied in the direction of pull-out switchgear, busbar/circuit arrangement, switchgear guards/protection devices, etc. , high safety, the effect of preventing damage

Inactive Publication Date: 2019-03-29
ANHUI ZHONGDIAN XINGFA & XINLONG TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But the current cabinets can't be used well

Method used

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  • Intelligent direct-current circuit breaker cabinet
  • Intelligent direct-current circuit breaker cabinet
  • Intelligent direct-current circuit breaker cabinet

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Embodiment Construction

[0021] In order to deepen the understanding of the present invention, the present invention will be further described below in conjunction with examples, which are only used to explain the present invention and do not constitute a limitation to the protection scope of the present invention.

[0022] Such as Figure 1-6 As shown, this embodiment provides an intelligent DC circuit breaker cabinet, including a cabinet body 1, the front part of the cabinet body 1 is a handcart storage room 2 for a DC circuit breaker handcart, and the front side of the handcart storage room 2 is set There is a door 3; the upper part of the handcart storage room 2 is provided with an instrument room 4, and the instrument room 4 is located above the handcart storage room 2; there are two left and right guide rails 5 at the bottom of the handcart storage room 2; the middle left and right sides of the door 3 are respectively provided with The emergency opening button 6 and the rotating screw socket 7 a...

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Abstract

The invention aims at providing an intelligent direct-current circuit breaker cabinet. A door is opened; and a handcart placing chamber is used for placing a direct-current circuit breaker handcart. Guide rails are arranged to realize feeding of the handcart; and a leading rail is used for guiding feeding. When the handcart enters the handcart placing chamber, the leading rail can be stored for sealing the cabinet body. Ring latches are arranged at an emergency opening button and a rotating lead screw insertion hole and are used for locking cover plates, thereby avoiding random manual operations. Besides, a heavily loaded connector is arranged at the bottom of an instrument room and is used for connecting a contact of a direct-current circuit breaker, thereby realizing connection of the circuit breaker with the instrument room. A metal sealing wire slot plays a role in shielding and preventing the control wire from being damaged by an arc fault of the cabinet. With the cabinet body andan insulating plate of the instrument room, a phenomenon that the cabinet body is put in danger due to electrification is avoided. Since screws are installed at the cabinet in an insulating manner, aphenomenon that the cabinet is affected by dissociative metal ions when the circuit breaker sprays arc light is prevented effectively. The heavily loaded connector is locked by a fixed lock, so thatthe safety operation is ensured. The intelligent direct-current circuit breaker cabinet matches the circuit breaker handcart.

Description

technical field [0001] The invention relates to the field of circuit breakers, in particular to an intelligent DC circuit breaker cabinet. Background technique [0002] At present, my country's urban rail transit system is powered by DC system. However, most of its DC power supplies are provided by high-power silicon rectifier devices. Due to the low overload capacity of silicon rectifier device components, the requirements for DC power grid protection components are higher. Quickly analyze the important components in the rail transit of the DC special circuit breaker. At present, a handcart has been developed. The intelligent DC circuit breaker is set on the handcart, and the handcart is pushed into the intelligent DC circuit breaker cabinet and connected to the cabinet. But present cabinet can't supporting use well. Therefore, it is necessary to solve this problem. Contents of the invention [0003] In order to solve the above problems, the present invention provides...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02B11/167H02B11/02H02B11/24H02B1/28H02B1/20H02B1/30
CPCH02B1/20H02B1/202H02B1/28H02B1/30H02B11/02H02B11/167H02B11/24
Inventor 付强周志国杨进闫涛付春洋
Owner ANHUI ZHONGDIAN XINGFA & XINLONG TECH CO LTD
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