Title:
VOLTAGE ABSORPTION CIRCUIT
Document Type and Number:
WIPO Patent Application WO/2018/157458
Kind Code:
A1
Abstract:
A voltage absorption circuit, comprising an input circuit (110), an absorption circuit (120), and a control circuit (130). The absorption circuit (120) comprises a resonance circuit (121) and a rectification circuit (122), the resonance circuit (121) and the rectification circuit (122) being connected in parallel; the input end of the input circuit (110) is configured to receive an input voltage; the output end of the input circuit (110) is connected with the input end of the resonance circuit (121), the input end of the rectification circuit (122) and the control end of the control circuit (130); the input circuit (110) is configured to provide the input voltage for the voltage absorption circuit; the resonance circuit (121) is configured to absorb a peak voltage which is generated by the rectification circuit (122) when the control circuit (130) is switched from an off state to an on state; and the resonance circuit (121) is configured to also absorb an peak voltage which is generated when the control circuit (130) is switched from the on state to the off state. By using the voltage absorption circuit, the peak voltages can be absorbed in a lossless manner, and energy conversion efficiency can be improved.
Inventors:
LI WENDONG (CN)
Application Number:
PCT/CN2017/081009
Publication Date:
September 07, 2018
Filing Date:
April 19, 2017
Export Citation:
Assignee:
SHENZHEN CHINA STAR OPTOELECT (CN)
International Classes:
H02H9/04; H04N5/63
Foreign References:
| CN106230246A | 2016-12-14 | |||
| CN204304818U | 2015-04-29 | |||
| CN204131384U | 2015-01-28 | |||
| CN203708105U | 2014-07-09 | |||
| CN204392077U | 2015-06-10 | |||
| US20020154522A1 | 2002-10-24 |
Attorney, Agent or Firm:
SCIHEAD IP LAW FIRM (CN)
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