CN2938567Y - Explosive-proof compatible safe four-quadrant frequency converter speed regulation system of digital mine hoist - Google Patents
Explosive-proof compatible safe four-quadrant frequency converter speed regulation system of digital mine hoist Download PDFInfo
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- CN2938567Y CN2938567Y CNU2006201323114U CN200620132311U CN2938567Y CN 2938567 Y CN2938567 Y CN 2938567Y CN U2006201323114 U CNU2006201323114 U CN U2006201323114U CN 200620132311 U CN200620132311 U CN 200620132311U CN 2938567 Y CN2938567 Y CN 2938567Y
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Application Number | Priority Date | Filing Date | Title |
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CNU2006201323114U CN2938567Y (en) | 2006-08-15 | 2006-08-15 | Explosive-proof compatible safe four-quadrant frequency converter speed regulation system of digital mine hoist |
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CNU2006201323114U CN2938567Y (en) | 2006-08-15 | 2006-08-15 | Explosive-proof compatible safe four-quadrant frequency converter speed regulation system of digital mine hoist |
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CN2938567Y true CN2938567Y (en) | 2007-08-22 |
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CNU2006201323114U Expired - Lifetime CN2938567Y (en) | 2006-08-15 | 2006-08-15 | Explosive-proof compatible safe four-quadrant frequency converter speed regulation system of digital mine hoist |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101976936A (en) * | 2010-10-25 | 2011-02-16 | 北京中矿华飞科技有限公司 | Explosion-proof and intrinsic safety type high-voltage variable-frequency governor |
WO2012010064A1 (en) * | 2010-07-22 | 2012-01-26 | 荣信电力电子股份有限公司 | Mmc-based transformerless four-quadrant high-voltage variable-frequency power supply topology |
CN101534091B (en) * | 2008-11-19 | 2012-02-08 | 范鑫焱 | Mine flameproof and intrinsic safety type variable frequency speed control device |
CN103051281A (en) * | 2013-01-30 | 2013-04-17 | 秦皇岛国能石油装备有限公司 | High-performance four-quadrant frequency converter |
CN103062023A (en) * | 2013-01-30 | 2013-04-24 | 秦皇岛国能石油装备有限公司 | Intelligent linear-motor oil production system |
CN103259466A (en) * | 2013-04-25 | 2013-08-21 | 北京山潜天恒科技有限公司 | Driving device for downhole belt conveyor |
CN101911463B (en) * | 2008-01-08 | 2013-09-04 | Abb技术有限公司 | A method for controlling a voltage source converter and a voltage converting apparatus |
CN103475194A (en) * | 2013-09-16 | 2013-12-25 | 北京机械设备研究所 | Explosion protection frequency converter for electric locomotive |
CN103595266A (en) * | 2013-11-21 | 2014-02-19 | 青岛威控电气有限公司 | Explosion-proof intrinsically safe variable-frequency drive for mining |
CN103607123A (en) * | 2013-11-21 | 2014-02-26 | 青岛威控电气有限公司 | Combined four-quadrant coal mine explosion-proof frequency converter |
-
2006
- 2006-08-15 CN CNU2006201323114U patent/CN2938567Y/en not_active Expired - Lifetime
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101911463B (en) * | 2008-01-08 | 2013-09-04 | Abb技术有限公司 | A method for controlling a voltage source converter and a voltage converting apparatus |
CN101534091B (en) * | 2008-11-19 | 2012-02-08 | 范鑫焱 | Mine flameproof and intrinsic safety type variable frequency speed control device |
WO2012010064A1 (en) * | 2010-07-22 | 2012-01-26 | 荣信电力电子股份有限公司 | Mmc-based transformerless four-quadrant high-voltage variable-frequency power supply topology |
CN101976936A (en) * | 2010-10-25 | 2011-02-16 | 北京中矿华飞科技有限公司 | Explosion-proof and intrinsic safety type high-voltage variable-frequency governor |
CN103051281A (en) * | 2013-01-30 | 2013-04-17 | 秦皇岛国能石油装备有限公司 | High-performance four-quadrant frequency converter |
CN103062023A (en) * | 2013-01-30 | 2013-04-24 | 秦皇岛国能石油装备有限公司 | Intelligent linear-motor oil production system |
CN103259466A (en) * | 2013-04-25 | 2013-08-21 | 北京山潜天恒科技有限公司 | Driving device for downhole belt conveyor |
CN103475194A (en) * | 2013-09-16 | 2013-12-25 | 北京机械设备研究所 | Explosion protection frequency converter for electric locomotive |
CN103595266A (en) * | 2013-11-21 | 2014-02-19 | 青岛威控电气有限公司 | Explosion-proof intrinsically safe variable-frequency drive for mining |
CN103607123A (en) * | 2013-11-21 | 2014-02-26 | 青岛威控电气有限公司 | Combined four-quadrant coal mine explosion-proof frequency converter |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: TANGSHAN KAI-CHENG ELECTRIC CONTROL EQUIPMENT GROU Free format text: FORMER OWNER: TANGSHAN KAI-CHENG ELECTRIC APPLIANCE CO., LTD. Effective date: 20091113 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20091113 Address after: No. 183 Torch Road, Tangshan City hi tech Zone, Hebei, China: 063020 Patentee after: Tangshan Kaicheng Electronic Control Equipment Group Co., Ltd. Address before: No. 183 Torch Road, hi tech Development Zone, Hebei, Tangshan City Province, China: 063020 Patentee before: Tangshan Kaicheng Electrical Appliances Co., Ltd. |
|
CX01 | Expiry of patent term |
Granted publication date: 20070822 |
|
EXPY | Termination of patent right or utility model |