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Title:
LARGE POWER ELECTROMAGNETIC COOKER CIRCUIT BASED ON SYSTEM-ON-CHIP (SOC)
Document Type and Number:
WIPO Patent Application WO/2010/142190
Kind Code:
A1
Abstract:
A large power electromagnetic cooker circuit based on system-on-chip (SoC) is provided, including a bridge rectifier (1), a filter (2), a power inverter circuit and a control unit (6). The control unit (6) is based on SoC that is integrated with CPU, a plurality of comparators, a second AC-DC converter, a voltage dividing circuit, an integral circuit, an inverter, a zero cross detecting circuit and a communication interface. The power inverter circuit is a half-bridge resonance circuit (3), which is driven by an outer driving circuit (7) to which complemented pulse signal and switch signal outputted by CPU in SoC. The large power electromagnetic cooker circuit based on SoC also includes a self-protective resonance tracking circuit, a pot detecting circuit, a surge detecting circuit and a multi-points temperature detecting circuit (9). The large power electromagnetic cooker circuit based on SoC has advantages of low manufacturing cost, small maintenance complexity, high reliability, and high parching detection sensitivity. A pot body and the cooker can be separated from each other. The cooker with a small volume is applicable to different types of pots, and is convenient to users.

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Inventors:
QIU SHOUQING (CN)
XU SAMSON (CN)
LU ZHEN (CN)
LI PENG (CN)
Application Number:
PCT/CN2010/072819
Publication Date:
December 16, 2010
Filing Date:
May 15, 2010
Export Citation:
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Assignee:
SHENZHEN CHK TECHNOLOGY CO LTD (CN)
QIU SHOUQING (CN)
XU SAMSON (CN)
LU ZHEN (CN)
LI PENG (CN)
International Classes:
H05B6/06
Foreign References:
CN201418166Y2010-03-03
CN1976551A2007-06-06
CN101309529A2008-11-19
CN2859984Y2007-01-17
CN2741309Y2005-11-16
JP2007194006A2007-08-02
Attorney, Agent or Firm:
SHENZHEN HUILITONG PATENT & TRADEMARK AGENT CO., LTD. (CN)
深圳市汇力通专利商标代理有限公司 (CN)
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