Title:
A METHOD FOR CUTTING OFF A POWER SUPPLY PRIOR TO OPEN A COVER AND AN APPARATUS THEREOF
Document Type and Number:
WIPO Patent Application WO/2009/152685
Kind Code:
A1
Abstract:
A method for cutting off a power supply prior to open a cover and an apparatus thereof. The method includes following steps: fixing a bolt shade (2) on a bolt (5), activating a motion sensor (9) to make a safety protection monitor (10) connected, and sending out a command to permit an electrical equipment to transmit electricity; and taking off the bolt shade (2), activating the motion sensor (9) to disconnect a motion sensor rod (8), and sending out a command to cut off the power supply of the electrical equipment or give out an alarm. The apparatus for cutting off the power supply prior to open the cover includes an apparatus with a lock for cutting off the power supply prior to open the cover and an apparatus without a lock for cutting off the power supply prior to open the cover.
Inventors:
GUO CHUNPING (CN)
GUO XIAOYAN (CN)
GUO XIAOPENG (CN)
GUO XIAOYAN (CN)
GUO XIAOPENG (CN)
Application Number:
PCT/CN2009/000428
Publication Date:
December 23, 2009
Filing Date:
April 22, 2009
Export Citation:
Assignee:
SHANXI QUAN AN NEW TECHNOLOGY (CN)
GUO CHUNPING (CN)
GUO XIAOYAN (CN)
GUO XIAOPENG (CN)
GUO CHUNPING (CN)
GUO XIAOYAN (CN)
GUO XIAOPENG (CN)
International Classes:
H02H5/00; H01H9/22; H01H13/18
Foreign References:
| CN101369724A | 2009-02-18 | |||
| CN201188537Y | 2009-01-28 | |||
| CN201226310Y | 2009-04-22 | |||
| CN201007969Y | 2008-01-16 | |||
| CN2825869Y | 2006-10-11 | |||
| CN2526416Y | 2002-12-18 | |||
| CN2166194Y | 1994-05-25 | |||
| US7237412B1 | 2007-07-03 |
Other References:
See also references of EP 2299554A4
None
None
Attorney, Agent or Firm:
SHANXI TAIYUAN KEWEI PATENT OFFICE (Taiyuan, Shanxi 1, CN)
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