Visible disconnect switch interlock assembly

Patent metadata

Field	Value
Publication number	US-9748053-B2
Application number	US-201615263676-A
Country	US
Kind code	B2
Filing date	Sep 13, 2016
Priority date	Nov 13, 2014
Publication date	Aug 29, 2017
Grant date	Aug 29, 2017

Abstract

A visible disconnect switch (VDS) interlock assembly is provided. The VDS interlock assembly is movable between a CBA, first lockout position, wherein a CBA second contact assembly cannot move when a VDS second contact assembly is in a first position, and a VDS, second lockout position, wherein a VDS second contact assembly cannot move when the CBA second contact assembly is in a second position. Further, the VDS interlock assembly is placed in an open position in between where the CBA, first lockout position and the VDS, second lockout position; from the open position the VDS interlock assembly may be moved into one of the CBA, first lockout position or the VDS, second lockout position.

First claim

What is claimed is:

1. A Visible Disconnect Switch (VDS) interlock assembly for a VDS circuit breaker assembly (CBA), said VDS circuit breaker assembly including a circuit breaker assembly and a visible disconnect switch, said circuit breaker assembly including a mechanical control system, said CBA mechanical control system including an actuating assembly and an interlock assembly, said CBA mechanical control system interlock assembly structured to selectively prevent operation of said CBA mechanical control system actuating assembly a VDS activating assembly operatively coupled to and structured to move a VDS contact assembly contact arm between a first and second position, said VDS activating assembly structured to move between a first position corresponding to the VDS contact assembly contact arm first position, and, a second position corresponding to the VDS contact assembly contact arm second position, said VDS interlock assembly comprising:
an interlock cam assembly, said interlock cam assembly operatively coupled to said VDS activating assembly, said interlock cam assembly structured to move between a first configuration, wherein said VDS activating assembly is free to move between its first and second positions, and a second configuration, wherein said VDS activating assembly is not free to move between its first and second positions;
a mechanical control system interlock interface assembly, said mechanical control system interlock interface assembly operatively coupled to said CBA mechanical control system interlock assembly, said mechanical control system interlock interface assembly structured to move between a first position, wherein said CBA mechanical control system interlock assembly does not prevent operation of said CBA mechanical control system actuating assembly, and a second position, wherein said CBA mechanical control system interlock assembly prevents operation of said CBA mechanical control system actuating assembly;
an interlock drive assembly including a first drive member;
said interlock drive assembly first drive member operatively coupled to said interlock cam assembly;
said interlock drive assembly first drive member operatively coupled to said mechanical control system interlock interface assembly;
said interlock drive assembly first drive member movable between a CBA, first lockout position, wherein said interlock cam assembly is in its first configuration and said mechanical control system interlock interface assembly is in its second position, an open position, wherein said interlock cam assembly is in its first configuration and said mechanical control system interlock interface assembly is in its first position, and a VDS, second lockout position, wherein said interlock cam assembly is in its second configuration and said mechanical control system interlock interface assembly is in its first position.

2. The VDS interlock assembly of claim 1 wherein said interlock drive assembly first drive member translates between said first, open, and second positions.

3. The VDS interlock assembly of claim 1 further comprising:
a contact interface assembly, said contact interface assembly coupled to said CBA second contact assembly whereby said contact interface assembly moves with said CBA second contact assembly between a first position and a second position;
said interlock drive assembly first drive member includes a support portion and a second end;
said interlock drive assembly first drive member body support portion disposed adjacent said contact interface assembly;
said interlock drive assembly includes a first displacement device;
said interlock drive assembly first displacement device coupled to said interlock drive assembly first drive member body support portion; and
said contact interface assembly operatively coupled to said interlock drive assembly first displacement device.

4. The VDS interlock assembly of claim 3 wherein:
said interlock drive assembly first drive member body second end disposed adjacent said CBA mechanical control system interlock assembly;
wherein said interlock drive assembly includes a second displacement device;
said interlock drive assembly second displacement device coupled to said interlock drive assembly first drive member body second end.

5. The VDS interlock assembly of claim 4 wherein:
said contact interface assembly includes a roller;
said mechanical control system interlock interface assembly includes a roller and a link assembly;
said mechanical control system interlock interface assembly link assembly moving along an axis of motion between a first position and a second position;
said interlock drive assembly first displacement device is a first wedge including an engagement surface;
wherein said contact interface assembly roller engages said first wedge engagement surface as said interlock drive assembly first drive member moves between said open position and said second lockout position;
said interlock drive assembly second displacement device is a second wedge including an engagement surface; and
wherein said mechanical control system interlock interface assembly roller engages said second wedge engagement surface as said interlock drive assembly first drive member moves between said first lockout position and said open position.

6. The VDS interlock assembly of claim 1 wherein said VDS activating assembly includes a rotating drive shaft, and wherein:
said interlock cam assembly includes a first cam member and a second cam member;
said interlock cam assembly first cam member fixed to said VDS activating assembly rotating drive shaft, said interlock cam assembly first cam member moveable between a first position, an open position, and a blocking, second position;
said interlock cam assembly second cam member moveable between a first position, an open position, and a blocking, second position;
wherein, when said interlock drive assembly first drive member is in said first position, said interlock cam assembly first cam member is in said first position, and, said interlock cam assembly second cam member is in said first position;
wherein, when said interlock drive assembly first drive member is in said open position, said interlock cam assembly first cam member is in said open position, and, said interlock cam assembly second cam member is in said open position; and
wherein, when said interlock drive assembly first drive member is in said second lockout position, said interlock cam assembly first cam member is in said second position, and, said interlock cam assembly second cam member is in said second position.

7. The VDS interlock assembly of claim 6 wherein:
said interlock cam assembly first cam member includes a cam surface, and a locking surface;
said interlock cam assembly second cam member includes a blocking surface, a cam surface, and a cam follower;
wherein, when said interlock drive assembly first drive member is in said first lockout position, said interlock cam assembly second cam member cam follower engages said interlock cam assembly first cam member cam surface;
wherein, when said interlock drive assembly first drive member is in said second lockout position, said interlock cam assembly second cam member blocking surface is disposed in said interlock cam assembly first cam member locking surface path of travel; and
wherein, as said interlock drive assembly first drive member moves from said open position to said first lockout position, said interlock cam assembly first cam member operatively engages said interlock cam assembly second cam member cam surface.

8. The VDS interlock assembly of claim 6 wherein:
said interlock cam assembly includes an electronic interlock device and a link assembly;
said interlock cam assembly elect

Assignees

• Eaton Corp

Inventors

• Ashtekar Koustubh Dnyandeo
• Benke James Jeffery
• Jenkins Zachary R

Classifications

• H01H33/6661

  Combination with other type of switch, e.g. for load break switches (H01H33/143, H01H33/6662 take precedence) · CPC title

• H01H31/28

  with angularly-movable contact · CPC title

• H01H31/10 Primary

  for interlocking two or more switches · CPC title

• H01H2235/01

  Spiral spring · CPC title

• H01H71/1009

  Interconnected mechanisms (H01H71/1045 takes precedence; operated by excess current and other electrical conditions H01H83/20) · CPC title