Isolation mechanism of controller for circuit breaker

Patent metadata

Field	Value
Publication number	US-10566716-B2
Application number	US-201715855676-A
Country	US
Kind code	B2
Filing date	Dec 27, 2017
Priority date	Dec 29, 2016
Publication date	Feb 18, 2020
Grant date	Feb 18, 2020

Abstract

The present invention relates to an isolation mechanism of a controller for a direct current circuit breaker, which has a simple structure for isolation and connection manipulation. The isolation mechanism of a controller for a circuit breaker comprises a first connector that has a plurality of output terminals electrically connected to the controller and a plurality of input terminals detached from the output terminals for connecting an input electric power source; and a second connector that has a first connection position connected to the first connector and a second connection position rotated at 180° from the first connection position and connected to the first connector, and has a conductor wiring portion electrically connecting the output terminals with the input terminals at the first connection position and electrically disconnecting the output terminals from the input terminals at the second connection position.

First claim

What is claimed is:

1. A circuit breaker comprising a controller and an isolation mechanism of the controller, comprising:
a first connector that has a plurality of output terminals electrically connected to the controller and a plurality of input terminals detached from the output terminals for connecting an input electric power source; and
a second connector that has a first connection position connected to the first connector and a second connection position rotated at 180° from the first connection position and connected to the first connector, and has a conductor wiring portion electrically connecting the output terminals with the input terminals at the first connection position and electrically disconnecting the output terminals from the input terminals at the second connection position;
wherein the first connector further comprises a plurality of first invalid conductor wiring portions that are formed to be detached from the output terminals and the input terminals, having no electric connection with the output terminals and the input terminals, and the conductor wiring portion of the second connector comprises a plurality of connection wiring portions that connect the output terminals with the input terminals at the first connection position and connect the plurality of first invalid conductor wiring portions at the second connection position; and
wherein the second connector further comprises a plurality of second invalid conductor wiring portions that are connected to the first invalid conductor wiring portions at the first connection position and connected to the output terminals and the input terminals at the second connection position, and formed to be detached from one another.

2. The circuit breaker of claim 1 , wherein the first connector further comprises a pin connector portion for electric connection with the second connector, and
the second connector further comprises a pin hole connector portion provided to correspond to the pin connector portion, capable of being connected to the pin connector portion at a first state or a second state rotated at 180° from the first state and capable of being detached from the pin connector portion.

3. The circuit breaker of claim 1 , wherein the first connector further comprises a first printed circuit board that has a plurality of first wiring portions electrically connected to the output terminals and the input terminals and the plurality of first invalid conductor wiring portions, and
the second connector further comprises a second printed circuit board that has a plurality of connection wiring portions and the plurality of second invalid conductor wiring portions.

4. The circuit breaker of claim 1 , wherein the first connector comprises:
a first printed circuit board that has a plurality of first wiring portions electrically connected to the output terminals and the input terminals, and the plurality of first invalid conductor wiring portions; and
an enclosure including a lower enclosure portion that receives the first printed circuit board and has an opened upper portion, and
an upper enclosure portion that has a plurality of insulating partition walls and covers the lower enclosure portion, and is coupled to the lower enclosure portion.

5. The circuit breaker of claim 1 , wherein the second connector comprises:
a second printed circuit board that has a plurality of connection wiring portions connecting the output terminals with the input terminals at the first connection position and connecting the plurality of first invalid conductor wiring portions with each other at the second connection position, and a plurality of second invalid conductor wiring portions connected to the first invalid conductor wiring portions at the first connection position and connected to the output terminals and the input terminals at the second connection position, and formed to be detached from each other;
a plurality of connector portions that are electrically connected with the second printed circuit board and connected with the first connector; and
a supporting frame that is coupled to the second printed circuit board, outwardly supports an assembly of the second printed circuit board and the connector portions.

6. The circuit breaker of claim 5 , wherein the supporting frame further comprises a pair of hook portions that are formed to be extended from both sides of the supporting frame to the front and thus elastically connected to the first connector.

7. The circuit breaker of claim 5 , wherein the supporting frame further comprises at least a pair of supporting protrusion portions that support the second printed circuit board by interposing the second printed circuit board therebetween.

8. The circuit breaker of claim 5 , wherein the supporting frame further comprises at least one connection protrusion portion that is provided on an inner wall and inserted into the second printed circuit board, and
the second printed circuit board comprises a coupling hole portion that is provided to correspond to the connection protrusion portion and allows insertion of is the connection protrusion portion.

Assignees

• Lsis Co Ltd

Inventors

• Kim Youngkook

Classifications

• H01H71/7409

  Interchangeable elements · CPC title

• H01R29/00

  Coupling parts for selective co-operation with a counterpart in different ways to establish different circuits, e.g. for voltage selection, for series-parallel selection, {programmable connectors} · CPC title

• H01H71/128

  Manual release or trip mechanisms, e.g. for test purposes (two similar push buttons for closing or resetting and opening or tripping H01H71/58; test switches for earth fault circuit breakers H01H83/04) · CPC title

• H01R13/04

  Pins or blades for co-operation with sockets · CPC title

• H01H2071/086

  Low power connections for auxiliary switches, e.g. shunt trip · CPC title