Patents by Inventor Guo-Dong Yin
Guo-Dong Yin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10001824Abstract: A power system including power devices connected in parallel and an allocation bus is provided. Each power devices includes an allocation signal pin, a power unit and a control unit. The control unit controls a logic level of the allocation signal pin based on an operation status of the power unit. The AND logic operation performed on the logic level of the allocation signal pin of each of the power devices results in the logic level of the allocation bus. One of the power devices is set to a master mode through a first arbitration. The other power devices monitor the operation status of each other and a status of the allocation bus. Through a second arbitration, one of the power devices under a first operation status is set to a standby mode.Type: GrantFiled: May 31, 2016Date of Patent: June 19, 2018Assignee: DELTA ELECTRONICS, INC.Inventors: Hui Huang, Guo-Dong Yin, Tie Chen
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Patent number: 9952649Abstract: A power system including power devices connected in parallel and a wake-up bus is provided. Each power devices includes a wake-up signal pin, a power unit and a control unit. The control unit controls a logic level of the wake-up signal pin based on an operation status of the power unit. The AND logic operation performed on the logic level of the wake-up signal pin of each of the power devices results in the logic level of the wake-up bus. The control unit of each of the power devices monitors the logic level of the wake-up bus. When the logic level of the wake-up bus is at a second logic level, at least one power device under a standby mode is switched to an operation mode.Type: GrantFiled: May 31, 2016Date of Patent: April 24, 2018Assignee: DELTA ELECTRONICS, INC.Inventors: Hui Huang, Guo-Dong Yin, Tie Chen
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Patent number: 9800056Abstract: A multi-power supply system and a control method thereof are disclosed. The multi-power supply system includes a first power-supply unit, a second power-supply unit, a switching unit, and a control unit. The power-supply unit comprises a reverse current prevention circuit, a converter circuit, and an input circuit. The switching unit is electrically coupled to the first power-supply unit and the second power-supply unit. When the first and second input circuits are in normal operation, the control unit controls the switching unit to be turned off to allow the first power-supply unit and the second power-supply unit to supply power to a load. When one of the first and second input circuits is in abnormal operation, the control unit controls the switching unit to be turned on. The switching unit cooperates with the first and second reverse current prevention circuits to achieve the switching of input.Type: GrantFiled: December 29, 2014Date of Patent: October 24, 2017Assignee: DELTA ELECTRONICS (SHANGHAI) CO., LTD.Inventors: Xiu-Feng Yu, Zhi-Jiang Deng, Guo-Dong Yin, Ben Wu
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Patent number: 9608518Abstract: A power supply device includes a master power supply module, a slave power supply module and a control module. The master power supply module is configured to output a master output current and an output voltage according to a master control signal. The slave power supply module is electrically connected in parallel to the master power supply module and configured to output a slave output current and the output voltage according to a slave control signal. The control module is electrically connected to the master power supply module and the slave power supply module and configured to output the master control signal according to the output voltage, generate a current compensation signal according to the master output current and the slave output current, and output the slave control signal according to the output voltage and the current compensation signal which is based on the master output current.Type: GrantFiled: September 17, 2015Date of Patent: March 28, 2017Assignee: DELTA ELECTRONICS, INC.Inventors: Guo-Dong Yin, Ben Wu, Zhi-Wei Liu
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Publication number: 20170038817Abstract: A power system including power devices connected in parallel and a wake-up bus is provided. Each power devices includes a wake-up signal pin, a power unit and a control unit. The control unit controls a logic level of the wake-up signal pin based on an operation status of the power unit. The AND logic operation performed on the logic level of the wake-up signal pin of each of the power devices results in the logic level of the wake-up bus. The control unit of each of the power devices monitors the logic level of the wake-up bus. When the logic level of the wake-up bus is at a second logic level, at least one power device under a standby mode is switched to an operation mode.Type: ApplicationFiled: May 31, 2016Publication date: February 9, 2017Inventors: Hui HUANG, Guo-Dong YIN, Tie CHEN
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Publication number: 20170038809Abstract: A power system including power devices connected in parallel and an allocation bus is provided. Each power devices includes an allocation signal pin, a power unit and a control unit. The control unit controls a logic level of the allocation signal pin based on an operation status of the power unit. The AND logic operation performed on the logic level of the allocation signal pin of each of the power devices results in the logic level of the allocation bus. One of the power devices is set to a master mode through a first arbitration. The other power devices monitor the operation status of each other and a status of the allocation bus. Through a second arbitration, one of the power devices under a first operation status is set to a standby mode.Type: ApplicationFiled: May 31, 2016Publication date: February 9, 2017Inventors: Hui HUANG, Guo-Dong YIN, Tie CHEN
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Publication number: 20160218618Abstract: A power supply device includes a master power supply module, a slave power supply module and a control module. The master power supply module is configured to output a master output current and an output voltage according to a master control signal. The slave power supply module is electrically connected in parallel to the master power supply module and configured to output a slave output current and the output voltage according to a slave control signal. The control module is electrically connected to the master power supply module and the slave power supply module and configured to output the master control signal according to the output voltage, generate a current compensation signal according to the master output current and the slave output current, and output the slave control signal according to the output voltage and the current compensation signal which is based on the master output current.Type: ApplicationFiled: September 17, 2015Publication date: July 28, 2016Inventors: Guo-Dong YIN, Ben WU, Zhi-Wei LIU
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Patent number: 9401658Abstract: A power supply apparatus includes a power source, power converters and an output connector. The power converters are configured for converting an input power from the power source into conversion powers. The output connector is configured for receiving the conversion powers from the power converters and outputting a parallel output power, a serial output power or separate output powers corresponding to the conversion powers from the power converters. A method of generating power by a power supply apparatus is also disclosed herein.Type: GrantFiled: February 19, 2014Date of Patent: July 26, 2016Assignee: DELTA ELECTRONICS (SHANGHAI) CO., LTD.Inventors: Jian-Gang Bao, Tie Chen, Guo-Dong Yin, Gang Chen, Zhong-Wei Ke
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Patent number: 9391522Abstract: A resonant converter apparatus includes a first pre-regulator, a first resonant converter, a second pre-regulator, a second resonant converter and a controller. The first pre-regulator receives a first input voltage and generates a first output voltage. The first resonant converter receives the first output voltage and generates a supply voltage. The second pre-regulator receives a second input voltage and generates a second output voltage. The second resonant converter receives the second output voltage and generates the supply voltage, in which an output of the second resonant converter is electrically connected in parallel with an output of the first resonant converter. The controller controls the first pre-regulator and the second pre-regulator such that the first resonant converter and the second resonant converter generate identical output currents in accordance with controlled operations of the first pre-regulator and the second pre-regulator.Type: GrantFiled: August 13, 2013Date of Patent: July 12, 2016Assignee: DELTA ELECTRONICS, INC.Inventors: Yun-Hui Chen, Zhi-Jiang Deng, Guo-Dong Yin, Zhong-Wei Ke
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Publication number: 20150214742Abstract: A multi-power supply system and a control method thereof are disclosed. The multi-power supply system includes a first power-supply unit, a second power-supply unit, a switching unit, and a control unit. The power-supply unit comprises a reverse current prevention circuit, a converter circuit, and an input circuit. The switching unit is electrically coupled to the first power-supply unit and the second power-supply unit. When the first and second input circuits are in normal operation, the control unit controls the switching unit to be turned off to allow the first power-supply unit and the second power-supply unit to supply power to a load. When one of the first and second input circuits is in abnormal operation, the control unit controls the switching unit to be turned on. The switching unit cooperates with the first and second reverse current prevention circuits to achieve the switching of input.Type: ApplicationFiled: December 29, 2014Publication date: July 30, 2015Inventors: Xiu-Feng YU, Zhi-Jiang DENG, Guo-Dong YIN, Ben WU
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Publication number: 20150168983Abstract: A power conversion device, an isolated driving circuit, and an isolated driving method are disclosed herein. The isolated driving circuit includes a control module, a transformer, a rectifying circuit, and a driving auxiliary circuit. The control module is configured to generate a first pulse width modulation (PWM) signal and a second PWM signal according to the output signal. The transformer is configured to receive the first and second pulse PWM signals to generate a first control signal. The rectifying circuit is configured to generate a second control signal according to the first control signal. The driving auxiliary circuit is configured to generate a driving control signal according to the second control signal to drive the at least one power switch.Type: ApplicationFiled: December 15, 2014Publication date: June 18, 2015Inventors: Yun-Hui CHEN, Guo-Dong YIN, Zhong-Wei KE
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Publication number: 20150155791Abstract: A power supply apparatus includes a power source, power converters and an output connector. The power converters are configured for converting an input power from the power source into conversion powers. The output connector is configured for receiving the conversion powers from the power converters and outputting a parallel output power, a serial output power or separate output powers corresponding to the conversion powers from the power converters. A method of generating power by a power supply apparatus is also disclosed herein.Type: ApplicationFiled: February 19, 2014Publication date: June 4, 2015Applicant: Delta Electronics (Shanghai) Co., Ltd.Inventors: Jian-Gang BAO, Tie CHEN, Guo-Dong YIN, Gang CHEN, Zhong-Wei KE
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Publication number: 20140354057Abstract: A resonant converter apparatus includes a first pre-regulator, a first resonant converter, a second pre-regulator, a second resonant converter and a controller. The first pre-regulator receives a first input voltage and generates a first output voltage. The first resonant converter receives the first output voltage and generates a supply voltage. The second pre-regulator receives a second input voltage and generates a second output voltage. The second resonant converter receives the second output voltage and generates the supply voltage, in which an output of the second resonant converter is electrically connected in parallel with an output of the first resonant converter. The controller controls the first pre-regulator and the second pre-regulator such that the first resonant converter and the second resonant converter generate identical output currents in accordance with controlled operations of the first pre-regulator and the second pre-regulator.Type: ApplicationFiled: August 13, 2013Publication date: December 4, 2014Applicant: Delta Electronics, Inc.Inventors: Yun-Hui Chen, Zhi-Jiang Deng, Guo-Dong Yin, Zhong-Wei Ke
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Patent number: 7692937Abstract: A resonant converter and voltage stabilizing method thereof are provided. The resonant converter includes a converting stage circuit, a diode-rectifying stage circuit, a filter and load stage circuit, a logic circuit, a driving circuit, and an energy-recycling circuit. The method includes steps of recycling an energy from the filter and load stage circuit to the converting stage circuit when the resonant converter is light- or zero-loaded.Type: GrantFiled: May 14, 2007Date of Patent: April 6, 2010Assignee: Delta Electronics, Inc.Inventors: Jian-Hong Zeng, Yi-Qing Ye, Chao Yan, Jian-Ping Ying, Guo-Dong Yin
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Patent number: 7429853Abstract: A series resonant circuit device and a voltage stabilizing method thereof are provided. The series resonant circuit device includes a resonant circuit having at least a resonant capacitor and a resonant inductor, an equivalent capacitor electrically coupled to the resonant circuit, a magnetizing inductor electrically connected to the equivalent capacitor in parallel, a transformer having a primary winding electrically connected to the magnetizing inductor in parallel, and a current impulse circuit electrically coupled to the resonant circuit and synchronized with an input voltage of the series resonant circuit device. The voltage stabilizing method is to provide a current impulse to the equivalent capacitor so as to decrease a current difference between the resonant inductor and the magnetizing inductor when the input voltage varies.Type: GrantFiled: February 21, 2006Date of Patent: September 30, 2008Assignee: Delta Electronics, Inc.Inventors: Qing-You Zhang, Guo-Dong Yin, Zhi-Ying Chen, Jun-Feng Guan, Jian-Ping Ying
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Publication number: 20070285952Abstract: A resonant converter and voltage stabilizing method thereof are provided. The resonant converter includes a converting stage circuit, a diode-rectifying stage circuit, a filter and load stage circuit, a logic circuit, a driving circuit, and an energy-recycling circuit. The method includes steps of recycling an energy from the filter and load stage circuit to the converting stage circuit when the resonant converter is light- or zero-loaded.Type: ApplicationFiled: May 14, 2007Publication date: December 13, 2007Inventors: Jian-Hong Zeng, Yi-Qing Ye, Chao Yan, Jian-Ping Ying, Guo-Dong Yin
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Publication number: 20060186829Abstract: A series resonant circuit device and a voltage stabilizing method thereof are provided. The series resonant circuit device includes a resonant circuit having at least a resonant capacitor and a resonant inductor, an equivalent capacitor electrically coupled to the resonant circuit, a magnetizing inductor electrically connected to the equivalent capacitor in parallel, a transformer having a primary winding electrically connected to the magnetizing inductor in parallel, and a current impulse circuit electrically coupled to the resonant circuit and synchronized with an input voltage of the series resonant circuit device. The voltage stabilizing method is to provide a current impulse to the equivalent capacitor so as to decrease a current difference between the resonant inductor and the magnetizing inductor when the input voltage varies.Type: ApplicationFiled: February 21, 2006Publication date: August 24, 2006Applicant: Delta Electronics, Inc.Inventors: Qing-You Zhang, Guo-Dong Yin, Zhi-Ying Chen, Jun-Feng Guan, Jian-Ping Ying