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· The global sales volume of chargers has exceeded 13 million, and UGREEN's IPO has officially begun!

With the popularization of mobile Internet and the rapid development of intelligent devices, charger, as one of the indispensable accessories in consumer electronic products, its market demand also shows a trend of explosive growth.As one of the leading companies in the field of gallium nitride chargers, UGREEN has continuously surged in sales of its charging series products in the global market thanks to its innovative product design, high-quality product quality, and global market layout, and has now entered the final stage of sprinting for IPO. It is reported that the current sales of UGREEN chargers have exceeded 13 million. As early as 2012, UGREEN began to lay out in the charging field and gradually established a product line with a wide coverage. The company's charging products range from basic entry-level chargers to high-end gallium nitride chargers, covering a variety of products with different powers and specifications. Each product has unique highlights and meets the ne...
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03-26
2024
· Honglin Electric Power has obtained a patent for an electric vehicle AC charging gun to improve the efficiency of replacing power lines

Honglin Electric Power has obtained a patent for an electric vehicle AC charging gun, which improves the efficiency of replacing power lines and reduces property losses.On March 25, 2024, the financial sector reported that, according to the announcement of the China National Intellectual Property Administration, Weihai Honglin Electric Power Technology Co., Ltd. had obtained a patent entitled "an AC charging gun for electric vehicles", with the authorization announcement number CN109390708B, and the application date was November 2018.The patent abstract shows that the present invention discloses an electric vehicle AC charging gun, including a charging gun head and a charging interface. A fixed rod is set at the right position of the lower end of the charging gun head, and a threaded connection column is set at the lower end of the fixed rod. A threaded power line is sleeved at the internal position below the threaded connection column. Because a threaded power line and a threaded con...
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03-26
2024
· JWJOULWATT has obtained patents for current detection circuits, control chips, and switching power supplies, improving the power efficiency of switching power supplies

On March 25, 2024, the financial sector reported that, according to the announcement of the China National Intellectual Property Administration, JWJOULWATT Microelectronics Co., Ltd. has obtained a project entitled "Current detection circuit, control chip and switching power supply", with the authorization announcement number of CN114188920B, and the application date of September 2021.The patent abstract shows that a current detection circuit, a control chip, and a switching power supply are disclosed. The main switch tube of the switching power supply is connected to an inductor, and an auxiliary voltage is obtained on the auxiliary winding by setting an auxiliary winding that is mutually inductance with the inductor, providing a first current positively correlated with the auxiliary voltage. The first current charges the capacitor to obtain a capacitor voltage that characterizes the inductor current. Among them, the auxiliary winding and inductor mutual inductance are used for sampl...
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03-25
2024
· Samsung has obtained a patent for semiconductor devices and power-off methods, achieving precise control of power supply on and off operations

On March 25, 2024, according to the announcement of the China National Intellectual Property Administration, Samsung Electronics Co., Ltd. obtained a patent entitled "Semiconductor device and power off method of semiconductor device", with authorization announcement No. CN109428572B and application date of August 2018.The patent abstract shows a method for powering off semiconductor devices and semiconductor devices, wherein the semiconductor device comprises: a first power pack comprising a first power supply and a second power supply; A second power pack, which includes a third power supply; And the power sequence controller. The power sequence controller performs power on and power off operations from the first power source to the third power source. The power sequence controller starts the power-off operation of the first power pack at the first time, and starts the power-off operation of the second power pack when the power voltage of the first power pack becomes the first voltag...
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03-25
2024
· The first pilot project of parallel DC power supply technology for station use in Guangxi has been successfully completed

Yulin, Guangxi News Network, March 25th - (Correspondent Fan Jiahong) On March 18th, the renovation and construction of the 110kV Shikai Station No.1 DC system of Guangxi Yulin Power Supply Bureau of Southern Power Grid was officially completed. This means that the traditional series DC power supply system has successfully solved the problems of low reliability of battery packs, inability to mix old and new batteries, and inability to provide online full capacity nuclear capacity. The power supply reliability and operation efficiency of station DC power supply systems have been greatly improved! The pilot project for the transformation of parallel power supply at the 110 kV Shikai Station of Yulin Power Supply Bureau is the first pilot project of Guangxi Power Grid Co., Ltd. in the application stage of third-generation parallel DC power supply technology. The successful implementation of parallel DC power supply technology at the 110 kV Shikai Station will actively promote the promot...
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03-25
2024

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