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1. 发明申请

US20230065347A1 HIGH-VOLTAGE PERMANENT MAGNET FREQUENCY CONVERSION ALL-IN-ONE MACHINE 有权
公开(公告)号：US20230065347A1
公开(公告)日：2023-03-02
申请号：US17796344
申请日：2020-11-10
申请人： QINGDAO CCS ELECTRIC CORPORATION
发明人： Chenglin SONG , Hongbo ZHANG , Xian LIU , Xufeng YANG
IPC分类号： H02K11/30 , H02P27/08 , H02P6/00
摘要： A high-voltage permanent magnet frequency conversion all-in-one machine according to an embodiment of the present disclosure includes a frequency converter configured to perform frequency conversion on a high-voltage alternating current, and output at least three alternating currents, a permanent magnet motor configured to receive the alternating currents subjected to the frequency conversion and output from the frequency converter, to drive the motor to operate, and a controller configured to control the frequency converter to perform the frequency conversion on the high-voltage alternating current, and control an operation state of the permanent magnet motor.

2. 发明申请

US20230008191A1 A CONTAINER TYPE FREQUENCY CONVERSION PRY 有权
公开(公告)号：US20230008191A1
公开(公告)日：2023-01-12
申请号：US17781015
申请日：2020-11-16
申请人： QINGDAO CCS ELECTRIC CORPORATION
发明人： XIANZHOU SUN , YIMIN SHEN , CHENGLIN SONG
IPC分类号： H05K7/20 , H05K7/14 , H01F27/02
摘要： A container type variable-frequency drive skid includes a container body, wherein a containing space is provided in the container body, a wiring unit, a voltage transformation unit and a frequency conversion unit are arranged in the containing space, a first cooling unit and a second cooling unit are further arranged in the containing space, the first cooling unit comprises an air duct and a first heat dissipation fan arranged in the air duct, the voltage transformation unit is located in the air duct, air flows through the air duct under the action of the first heat dissipation fan to cool the voltage transformation unit, the second cooling unit comprises a cold guide assembly and a second heat dissipation fan, and the cold guide assembly abuts against the frequency conversion unit. The first cooling unit cools the voltage transformation unit in an air-cooling manner, and the second cooling unit cools the frequency conversion unit in an air cooling and water-cooling combined manner, such that the situation that the voltage transformation unit and the frequency conversion unit cannot operate normally due to too high a temperature is avoided, and the operation efficiency and reliability of the whole machine are improved.

3. 发明申请

US20230007803A1 A VEHICLE-MOUNTED INVERTER SKID 有权
公开(公告)号：US20230007803A1
公开(公告)日：2023-01-05
申请号：US17781655
申请日：2020-11-16
申请人： QINGDAO CCS ELECTRIC CORPORATION
发明人： CHENGLIN SONG , XIANZHOU SUN , PINGPING SONG , ZHENG DING
IPC分类号： H05K7/14 , H02M5/42 , H02M7/00 , H05K7/20
摘要： A vehicle-mounted inverter skid wherein the bottom plate of a box body (100) is equipped with a plurality of support beams (105), and the height of the support beams (105) is less than the height of a support frame (104), such that the box body (100) is a sunken structure relative to the support frame (104), and the height dimension of the box body (100) is reduced by it being sunken in the direction of the support frame (104); a wire feed-in assembly of a wire feed-in unit (200) comprises a wire feed-in terminal (202) and a wire feed-in bracket (203); the wire feed-in bracket (203) is shaped like the Chinese character for a door, its top plate is provided with an wire feed-in hole (2031), and the wire feed-in terminal (202) is vertically insertedly disposed in the wire feed-in hole (2031) for fixing; the bottom plate of the box body (100) has a wire feed-in port (204) corresponding to the location of the wire feed-in hole (2031), such that the wire feed-in terminal (202) is arranged vertically, reducing the horizontal footprint of the wire feed-in assembly; combined with a magnetic excitation assembly (205) of the wire feed-in unit (200) being separated and arranged in the vacant space on the side of a transformer unit (300), the length and width of the inverter sled are reduced, thus reducing the overall volume of the inverter skid, solving the technical problem of the large size of existing inverter sleds and making it more suitable for vehicle-mounted use.

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