Patents Assigned to Delta Electronics
  • Apparatus and method for image-distance transformation using bi-directional scans
    Patent number: 10796441
    Abstract: A method of image-distance transformation using bi-directional scans is provided. The method includes the steps of: performing a first scan on each pixel of an input image using a first mask in a first order to generate an intermediate image; and performing a second scan on each pixel of the intermediate image using a second mask in a second order to obtain distance information of each pixel in the input image. A first current pixel in the input image that is not compared with prior pixels in the first order and in a first current segment is used in the first comparison process in the first scan, and a second current pixel that is compared with prior pixels in the second order and in a second segment is used in the second comparison process in the second scan.
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: October 6, 2020
    Assignee: DELTA ELECTRONICS, INC.
    Inventor: Sze-Yeong Tan
  • Power module
    Patent number: 10798842
    Abstract: A power module includes a housing, a support bracket, a sliding member and a resilient recovery member. The housing has a first surface and a second surface. The support bracket is fixed to the first surface. The support bracket has a hook to retain a first side of a support rail. The sliding member is slidably connected to the support bracket. The sliding member has a latch member to retain a second side of the support rail. The resilient recovery member has a first end connected to the support bracket and a second end connected to the sliding member. The resilient recovery member is to push the sliding member to cause the hook member and the latch member to sandwich the support rail. The sliding member has a first unlocking end for applying a force against the resilient recovery member. The first unlocking end projects beyond the second surface.
    Type: Grant
    Filed: January 1, 2020
    Date of Patent: October 6, 2020
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Ping-Hung Wen, Ying-Ping Chen
  • Method and apparatus for controlling a flyback converter
    Patent number: 10797603
    Abstract: The present invention discloses a method and an apparatus for controlling a flyback converter, the flyback converter including a main switch, a transformer and an auxiliary switch. The method includes: obtaining a first voltage signal and a second voltage signal, the first voltage signal representing an input voltage of the flyback converter, and the second voltage signal representing an output voltage of the flyback converter; controlling turn-on of the auxiliary switch, wherein the turn-on time period of the auxiliary switch is determined according to the first voltage signal and the second voltage signal; and turning on the main switch at ZVS condition, wherein the main switch is turned on at the time delayed for a duration of a dead time after turning off of the auxiliary switch.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: October 6, 2020
    Assignee: Delta Electronics (Shanghai) Co., Ltd.
    Inventors: Haibin Song, Daofei Xu, Jinfa Zhang
  • Control circuit and control method for wireless power transmission device
    Patent number: 10797521
    Abstract: A control circuit for a wireless power transmission device is provided. The wireless power transmission device includes a transmitter unit and a receiver unit. The control circuit includes a transmitter detecting unit, a first control unit and a driver unit. The transmitter detecting unit obtains an input power of the transmitter unit and generates an input power signal. The first control unit generates a control signal according to a result of comparing the input power signal with a reference input power signal. The driver unit drives switching devices of the transmitter unit according to the control signal. Consequently, the input power of the transmitter unit is adjusted, and an output ripple or a magnitude of the output of the receiver unit is adjusted.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: October 6, 2020
    Assignee: DELTA ELECTRONICS (THAILAND) PUBLIC COMPANY LIMITED
    Inventors: Shuailin Du, Yongkai Liao
  • Network transformer module
    Patent number: 10796838
    Abstract: A network transformer module includes a first magnetic element and a second magnetic element. The first magnetic element includes a first iron core and a first coil winding. The first coil winding is composed of a first wire and a second wire, and is wrapped 7 to 14 turns around the first iron core. The second magnetic element includes a second iron core and a second coil winding. The second coil winding is composed of a third wire and a fourth wire, and is wrapped 2 to 5 turns around the second iron core.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: October 6, 2020
    Assignee: Delta Electronics, Inc.
    Inventors: Chin-Hsin Lai, Li-O Lee, Chia-Kai Weng
  • Fan failure backup apparatus and method of backing up the same
    Patent number: 10794388
    Abstract: A fan failure backup apparatus includes a first fan module and a second fan module. When a second control unit of the second fan module realizes that the first fan module is failed through a first control unit of the first fan module, and the second control unit realizes that the second fan module is not failed, the second control unit controls the second fan module to additionally enhance a pressure-flow characteristic of a second fan unit of the second fan module.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: October 6, 2020
    Assignee: Delta Electronics, Inc.
    Inventors: Wei-Shuo Tseng, Chia-Feng Wu, Po-Hui Shen, Chia-Huang Wu, Chun-Chieh Tsai, Wen-Chih Wang
  • Voltage detecting circuit
    Patent number: 10794938
    Abstract: A voltage detecting circuit includes a rectifying circuit, a voltage dividing circuit, and a comparing circuit. The rectifying circuit is configured to rectify a plurality of AC phase voltages to output a plurality of rectified voltages respectively. The voltage dividing circuit is configured to divide the plurality of rectified voltages respectively to output a plurality of sampling voltages. The comparing circuit is configured to compare the plurality of sampling voltages with a reference voltage respectively to provide a plurality of corresponding phase failure detecting voltages. On the condition that the AC phase voltages are unbalanced, the phase failure detecting voltage switches between a high level and a low level.
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: October 6, 2020
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Yi-Kai Chou, Yi-Jan Chang
  • Fan rotor
    Patent number: 10797539
    Abstract: A fan rotor includes a rotating shaft, a metal body, at least one rotor magnet and a vane wheel. The metal body has at least one top surface, at least one cylindrical portion and at least one connecting portion. The top surface is disposed at an end of the cylindrical portion, and the rotating shaft is disposed in the cylindrical portion and connected to the top surface of the cylindrical portion. The connecting portion is formed at the other end of the cylindrical portion and extended from an outer wall of the opening in a direction away from the rotating shaft. The rotor magnet is disposed around an inner wall surface of the cylindrical portion. The vane wheel is detachably connected to the metal body through the connecting portion.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: October 6, 2020
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Chao-Hsing Kang, Chien-Ho Lee, Tsung-Yin Lee
  • Wireless power transmission device
    Patent number: 10797533
    Abstract: A wireless power transmission device includes a contactless transmitter unit, a contactless receiver unit and a step-down transformer. The transmitter unit receives an input AC power. A receiver coil of the receiver unit and a transmitter coil of the transmitter coil are electromagnetically coupled with each other. The input AC power is electromagnetically coupled to the receiver coil through the transmitter coil. Consequently, the input AC power is converted into a first output AC power. A first coil and a second coil of the step-down transformer are electromagnetically coupled with each other. The first coil is electrically connected with the receiver coil to receive the first output AC power. A second output AC power is outputted from the second coil. A turn ratio of the first coil to the second coil is larger than a turn ratio of the transmitter coil to the receiver coil.
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: October 6, 2020
    Assignee: DELTA ELECTRONICS (THAILAND) PUBLIC COMPANY, LIMITED
    Inventors: Shuailin Du, Yongkai Liao, Kai Dong, Jinfa Zhang
  • Projection display apparatus and method for controlling the same
    Patent number: 10798354
    Abstract: A projection display apparatus includes a first operating mode, a second operating mode, a processing circuit, a control circuit, an imaging device and a shifting device. The processing circuit receives an input video signal, the input video signal includes an input video feature, the control circuit selectively switches the projection display apparatus to the first operating mode or the second operating mode according to the input video feature or the operating condition, the imaging device receives the first output video signal and outputs a plurality of first output video images corresponding to the first output video signal, and the imaging device is further configured to receive the second output video signal and output a plurality of second output video images corresponding to the second output video signal.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: October 6, 2020
    Assignee: DELTA ELECTRONICS, INC.
    Inventor: Chung-Yi Yang
  • SEMICONDUCTOR CHIP
    Publication number: 20200312792
    Abstract: The present disclosure provides a semiconductor chip including a functional area, a first end, a second end, a third end, and a connecting portion. The functional area has first and second sides opposite to each other. The first end is disposed on the first side and the third end is disposed on the first side, wherein the semiconductor chip is switched on or off according to the drive signal received between the third end and the first end, and the connecting portion is disposed on the first side of the functional area and connected to the first end and the third end, wherein when the temperature rises above the a first temperature, the connecting portion is in a conductive state, and when the temperature drops to be not higher than a third temperature, the connecting portion is in an insulated state.
    Type: Application
    Filed: March 12, 2020
    Publication date: October 1, 2020
    Applicant: Delta Electronics (Shanghai) CO., LTD
    Inventors: Shouyu HONG, Shili WU, Ganyu ZHOU, Yuan GAO, Jinshan SHI, Jianhong ZENG
  • POTTING BOX AND TRANSFORMER
    Publication number: 20200312517
    Abstract: A potting box for assembling a transformer comprises an inner wall and an outer wall. The inner wall is sleeved in the outer wall. A bottom plate connected to a bottom portion of the inner wall and a bottom portion of the outer wall to form a potting space for accommodating a first winding and a second winding. An inner side of the outer wall comprises a first support portion for supporting the first winding and an outer side of the inner wall comprises a second support portion for supporting the second winding. An iron core of the transformer penetrates through an inner side of the inner wall.
    Type: Application
    Filed: March 31, 2020
    Publication date: October 1, 2020
    Applicant: Delta Electronics (Shanghai) CO., LTD
    Inventors: Yong ZENG, Jianxing DONG, Qiang WANG, Teng LIU, Weijun WANG
  • TRANSFORMER AND ASSEMBLING METHOD THEREOF
    Publication number: 20200312547
    Abstract: A transformer comprises at least two windings and each of the at least two windings includes at least one lead-out wire, and a silicone rubber heat-shrinkable sleeve is wrapped around the outer surface of the lead-out wire. The at least two windings and a portion of the silicone rubber heat-shrinkable sleeve are encapsulated in a potting box with a first potting sealant, and another portion of the silicone rubber heat-shrinkable sleeve is exposed outside of the potting box.
    Type: Application
    Filed: March 31, 2020
    Publication date: October 1, 2020
    Applicant: Delta Electronics (Shanghai) CO., LTD
    Inventors: Yong ZENG, Jianxing DONG, Qiang WANG, Weijun WANG, Teng LIU
  • TRANSFORMER
    Publication number: 20200312516
    Abstract: A transformer comprises an iron core, a support module, a winding unit, a potting box. The potting box includes an inner wall, an outer wall and a bottom plate and the inner wall is sleeved in the outer wall. The bottom plate is connected to a bottom portion of the inner wall and a bottom portion of the outer wall and a potting space is defined by the outer wall, the inner wall and the bottom plate. The winding unit is disposed in the potting space and a magnetic pole of the iron core penetrates through an inner side of the inner wall of the potting box. The support module is disposed between at least one end surface of the potting box and a cover of the iron core to form an insulation clearance. The support odule is close to the inner wall of the potting box.
    Type: Application
    Filed: March 31, 2020
    Publication date: October 1, 2020
    Applicant: Delta Electronics (Shanghai) CO., LTD
    Inventors: Yong ZENG, Teng LIU, Jianxing DONG
  • CONVERSION SYSTEM WITH HIGH VOLTAGE SIDE AND LOW VOLTAGE SIDE
    Publication number: 20200313554
    Abstract: The present disclosure provides a conversion system with a high voltage side and a low voltage side, including: a plurality of power units, each power unit including: a plurality of DC/DC converters, when in normal operation, one part of DC/DC converters being in a working state and other DC/DC converters being in a cold backup state; a plurality of bypass circuits connected in parallel to the corresponding DC/DC converters; a detection unit connected to each DC/DC converter, and detects the DC/DC converter; and a control unit coupled to the detection unit and each of the plurality of DC/DC converters; and a main control unit coupled with each control unit and configured to receive the preset signal of respective control unit and outputs a bypass signal and a release signal to the corresponding control unit according to the preset signal.
    Type: Application
    Filed: March 26, 2020
    Publication date: October 1, 2020
    Applicant: Delta Electronics (Shanghai) CO., LTD
    Inventors: Teng LIU, Jianping YING, Yi ZHANG, Guangcheng HU, Xin WANG, Dehai LOU, Yun CAO
  • POWER UNIT
    Publication number: 20200313544
    Abstract: A power unit includes: a DC/DC conversion circuit; a bypass circuit, including a mechanical switch, an impedance network, and a semiconductor switch, wherein the semiconductor switch and the impedance network are connected in series to form a series branch, the series branch, the mechanic switch and the DC/DC conversion circuit are connected in parallel between a positive end and a negative end at one side of the power unit; a detecting unit, configured to detect a working signal of the DC/DC conversion circuit and generate a detection signal according to the working signal; and a controller, configured to, when the fault occurs in the DC/DC conversion circuit, output a first control signal to a control end of the mechanical switch and output a second control signal to a control end of the semiconductor switch.
    Type: Application
    Filed: March 26, 2020
    Publication date: October 1, 2020
    Applicant: Delta Electronics (Shanghai) CO., LTD
    Inventors: Jianping YING, Teng LIU, Dehai LOU, Xin WANG, Yun CAO
  • POWER INTEGRATED MODULE
    Publication number: 20200303326
    Abstract: A power integrated module, including at least one first bridge formed in a chip, wherein the first bridge includes: a first upper bridge switch, formed by a plurality of first sub switches formed in the chip connected in parallel, and including a first, a second and a control end; a first lower bridge switch, formed by a plurality of second sub switches formed in the chip connected in parallel, and including a first, a second and a control end; a first electrode, connected to the first end of the first upper bridge switch; a second electrode, connected to the second end of the first lower bridge switch; and a third electrode, connected to the second end of the first upper bridge switch and the first end of the first lower bridge switch, wherein the first, the second and the third electrode are bar-type electrodes arranged side by side.
    Type: Application
    Filed: March 16, 2020
    Publication date: September 24, 2020
    Applicant: Delta Electronics (Shanghai) CO., LTD
    Inventors: Jianhong ZENG, Yan CHEN, Le LIANG, Xiaoni XIN
  • Method of controlling electrical power system and apparatus using the same
    Patent number: 10784683
    Abstract: The present application provides a method of controlling an electrical power system and an apparatus using the same. The electrical power system includes a DC bus and a DC bus capacitor connected to the DC bus. The method includes: receiving a virtual DC bus capacitance value of the DC bus capacitor; detecting a DC bus voltage; calculating an expected value of a DC bus current based on the virtual DC bus capacitance value and the DC bus voltage; and adjusting the DC bus current, so that the DC bus current reaches the expected value and thus the DC bus capacitor is equivalent to the virtual DC bus capacitance value.
    Type: Grant
    Filed: May 25, 2018
    Date of Patent: September 22, 2020
    Assignee: Delta Electronics (Shanghai) CO., LTD
    Inventors: Mingxuan Dong, Changyong Wang, Aibin Qiu
  • Connector, method for manufacturing connector and signal pin assembly
    Patent number: 10784612
    Abstract: The present disclosure provides a connector which is a combination of at least one power pin, one plastic member, and one signal pin, wherein the power pin includes a columnar metal block, each plastic member is connected to the columnar metal block at side surface, each signal pin is attached to a side surface of the plastic member, and extends to two bottom surfaces of the plastic member to form contact surfaces with predetermined areas on the two bottom surfaces; wherein, the contact surface on first bottom surface of the plastic member is flush with first bottom surface of the metal block, and the contact surface on second bottom surface of the plastic member is flush with second bottom surface of the metal block.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: September 22, 2020
    Assignee: Delta Electronics, Inc.
    Inventors: Shouyu Hong, Qingdong Chen, Ganyu Zhou, Pengkai Ji, Yiqing Ye, Zhenqing Zhao
  • Core structure and magnetic device
    Patent number: 10784034
    Abstract: A core structure includes a first magnetic cover, a second magnetic cover, and at least two winding columns and at least one common side column provided between the first magnetic cover and the second magnetic cover and opposite to each other. The side wall of the common side column towards the at least two winding columns is provided with at least one first protrusion which extends towards the gap formed between the two adjacent winding columns.
    Type: Grant
    Filed: May 22, 2017
    Date of Patent: September 22, 2020
    Assignee: Delta Electronics (Shanghai) CO., LTD
    Inventors: Haijun Yang, Zengyi Lu, Weilong Xia, Guodong Yin, Jinfa Zhang