The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 26, 2019
Filed:
Jun. 26, 2014
Control circuit for composite switch with contact protection based on diode and relay control method
Applicant:
Gyrk International Technology Co., Ltd., Beijing, CN;
Inventor:
Hai Wang, Beijing, CN;
Assignee:
Gyrk International Technology Co., Ltd., Beijing, CN;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01H 9/00 (2006.01); H01H 47/00 (2006.01); H01H 47/22 (2006.01); H01H 47/02 (2006.01); H01H 9/54 (2006.01);
U.S. Cl.
CPC ...
H01H 47/22 (2013.01); H01H 9/541 (2013.01); H01H 47/02 (2013.01);
Abstract
A composite switch with diode contact protection based on a diode is disclosed and includes a primary relay contact protection circuit, a primary relay contact and a relay control circuit, where the primary relay contact protection circuit is formed by an auxiliary relay contact and a diode connected in series and is connected with the primary relay contact in parallel, a current capacity of the auxiliary relay contact is 1/10 to 1/1000 of a current capacity of the primary relay contact.