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· INOVANCE has been granted a utility model patent:

Securities Star News: According to data from Qichacha, INOVANCE (300124) has recently obtained a utility model patent authorization, titled "Power Function Safety Protection Circuit and Switching Power Supply", with patent application number CN202322554736.0 and authorization date of May 28, 2024.Patent Abstract: This utility model discloses a power supply functional safety protection circuit and a switching power supply. The power supply functional safety protection circuit comprises an overvoltage detection protection circuit, wherein the detection end of the overvoltage detection protection circuit is connected to the output end of the power supply circuit, the control end of the overvoltage detection circuit is connected to the power supply end of the power supply chip, the overvoltage detection protection circuit is used to detect the output voltage of the power supply circuit, and when the output voltage of the power supply circuit is overvoltage, the power supply end of the pow...
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05-29
2024
· The largest medium voltage power supply vehicle in China successfully connected to the grid in Qinghai

High altitude for the first time! The largest medium voltage power supply vehicle in China successfully connected to the grid in QinghaiOn May 20th, State Grid Qinghai Provincial Electric Power Company successfully carried out on-site grid connection operation of a 3000 kW medium voltage power supply vehicle in Xining City. This is the first time in Qinghai Province and also the first time in high-altitude areas across the country that the medium voltage power supply vehicle with the highest power in China has officially settled in Qinghai, helping Qinghai's power distribution network to take uninterrupted operation to a new level.It is understood that the medium voltage power supply vehicle is mainly powered by a 3000 kW gas turbine and uses turboprop aviation engines. It has advantages such as high output power and clean emissions. The vehicle has three working modes: independent power generation, grid connected power generation, and uninterrupted load transfer, which can meet the n...
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05-29
2024
· NARADA has been granted an invention patent authorization: "A continuous cooling system for battery swapping cabinets"

Securities Star News: According to data from Qichacha, NARADA (300068) has obtained a new invention patent authorization, titled "A Continuous Cooling System for Battery Exchange Cabinets", with patent application number CN201910904085.9 and authorization date of March 22, 2024.Patent Abstract: The present invention belongs to the field of charging safety technology for battery swapping cabinets, specifically a continuous cooling system for battery swapping cabinets, including a temperature monitor, controller, reagent bottle, and external pipeline. The external pipeline is equipped with a nozzle corresponding to each battery compartment, and the nozzle extends into the battery compartment; The opening of the drug bottle is equipped with an electric control valve, and an inner tube is set inside the drug bottle. The inner tube is a hard tube, and its axis coincides with the axis of the drug bottle; A guide tube is set at the end of the inner tube, and the lower opening of the guide tu...
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05-28
2024
· European Patent: Rectifier Converter and Control Method for Uninterruptible Power Supply

Vertiv, an American company, has developed a rectifier converter for UPS and its control method. The converter includes a rectifier discharge reuse module, two power switch modules, and a battery switch module. This control method effectively reuses rectifiers and battery discharge devices, thereby reducing the cost and volume of UPS.Attached drawings of patent abstract
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05-28
2024
· SUNGROW announces international patent application: "A power control protection system and control protection method"

Securities Star News: According to data from Qichacha, SUNGROW (300274) has announced an international patent application titled "A Power Control Protection System and Control Protection Method" with patent application number PCT/CN2023/090208. The international publication date is March 7, 2024.The patent abstract is as follows:Image source: World Intellectual Property Organization (WIPO)Since the beginning of this year, SUNGROW has published 7 international patent applications, a decrease of 36.36% compared to the same period last year. Based on the company's mid year financial data for 2023, the company invested 1.049 billion yuan in research and development in the first half of 2023, a year-on-year increase of 45.04%.
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05-28
2024

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