Title:
RELAY DRIVING DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/277455
Kind Code:
A1
Abstract:
The present invention provides a relay driving device comprising: a relay comprising a relay switch and a relay coil magnetically coupled to the relay switch to turn on or off the relay switch; a control unit for outputting a first control signal; a first switch which is turned on or off by reception of the first control signal to provide or block the supply of a first current to the relay coil; a control resistor connected between the relay coil and the first switch; a signal generator for receiving the first control signal to generate a second control signal; and a second switch which is turned on or off by reception of the second control signal to provide or block the supply of a second current higher than the first current to the relay coil.
Inventors:
LEE JAE GEUN (KR)
Application Number:
PCT/KR2022/009000
Publication Date:
January 05, 2023
Filing Date:
June 24, 2022
Export Citation:
Assignee:
HANWHA SOLUTIONS CORP (KR)
International Classes:
H01H50/64; H01H47/00; H01H50/44
Foreign References:
| KR102154635B1 | 2020-09-10 | |||
| KR20160140293A | 2016-12-07 | |||
| KR102142459B1 | 2020-08-10 | |||
| KR20200134976A | 2020-12-02 | |||
| KR20200068375A | 2020-06-15 |
Attorney, Agent or Firm:
ERUUM & LEEON INTELLECTUAL PROPERTY LAW FIRM (KR)
Download PDF: