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Haier smart home has obtained utility model patent authorization:

Article Source：Qichacha | Author：Securities Star News | Issuing Time：2024.04.10
Securities Star News: According to data from Qichacha, Haier Smart Home (600690) has newly obtained a utility model patent authorization, titled "Power Supply Group Status Transmission Circuit, Power Supply System and Air Conditioning". The patent application number is CN202321922917.8, and the authorization date is March 26, 2024.



Patent Abstract

This application discloses a power supply group status transmission circuit, a power supply system, and an air conditioner, which relates to the technical field of air conditioning power supply equipment. The power supply power supply group status transmission circuit includes a power supply detection module, which has multiple power supply detection branches for the power supply power supply group. Each power supply detection branch is connected to the corresponding power supply in the power supply power supply group, and is used to detect the power supply status of the corresponding power supply power supply to obtain the corresponding power supply status set; The power carrier transmission module is connected in series to the power supply detection module, and is used to determine the target carrier signal based on the power supply status set, and transmit the target carrier signal through the power line; The power line connects the power carrier transmission module and the air conditioner. Therefore, through the power carrier signal, the air conditioner can quickly sense the power supply status of the power supply group.

Since the beginning of this year, Haier Smart Home has obtained 1869 new patent authorizations, an increase of 11.45% compared to the same period last year. Based on the financial data of the company's 2023 annual report, the company invested 10.221 billion yuan in research and development, a year-on-year increase of 7.51%.
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