Title:
ENERGY-SAVING ELECTROMAGNETIC SWITCH DEVICE
Document Type and Number:
WIPO Patent Application WO/2010/142212
Kind Code:
A1
Abstract:
An energy-saving electromagnetic switch device comprises a casing (7), an electromagnetic device (11,12) and a movable magnetic pole (21,22) positioned within the casing. The movable magnetic pole is connected with an elasticity device (8) that is cooperative with the movable magnetic pole to control switch-on and switch-off of the electromagnetic switch device. At least one lock device (31,32,33), which can enable the electromagnetic switch device to automatically circularly change over between switch-on and switch-off through electrifying the electromagnetic device instantaneously, is arranged between the movable magnetic pole and the casing. The invention has the advantages of convenient operation and low cost.
Inventors:
HAO CHUNGTAI (CN)
Application Number:
PCT/CN2010/073417
Publication Date:
December 16, 2010
Filing Date:
June 01, 2010
Export Citation:
Assignee:
HAO CHUNGTAI (CN)
International Classes:
H01H51/04; H01H50/32; H01H50/58
Foreign References:
| US3914725A | 1975-10-21 | |||
| CN101577194A | 2009-11-11 | |||
| EP0329138A1 | 1989-08-23 |
Attorney, Agent or Firm:
SHENZHEN VIPO INTELLECTUAL PROPERTY OFFICE (South block Cangsong Bldg., Tairan 6th Rd., Chegongmiao, Futian Distric, Shenzhen Guangdong 0, CN)
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