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HeT obtained utility model patent authorization: "Power Circuit and Electric Tools"

Article Source：Qichacha | Author：Securities Star | Issuing Time：2024.05.24
Securities Star News: According to data from Qichacha, HeT (002402) has recently obtained a utility model patent authorization, titled "Power Circuit and Electric Tool", with patent application number CN202322551081.1 and authorization date of May 17, 2024.

Patent Abstract: This application belongs to the field of power management technology and relates to a power circuit and electric tool. The power circuit includes a switch main control module, a leakage protection module, a power supply self-locking module, and a power supply voltage stabilizing module; The main control module of the switch is connected to the power supply self-locking module and the leakage protection module respectively. The power supply self-locking module is connected to the power supply stabilizing module, the leakage protection module, and the functional circuit. The leakage protection module is connected to the power supply stabilizing module, and the power supply stabilizing module is connected to the functional circuit. The power supply self-locking module is used to receive low-level signals sent by the functional circuit. The power supply self-locking module is also used to respond to low-level signals and be in a disconnected state. When the power supply self-locking module is disconnected, the leakage protection module disconnects the electrical connection between the power supply and the functional circuit, causing the functional circuit to not be powered on. The above method avoids power leakage caused by short circuit of the power switch, improves the service life of the power supply, improves the convenience of user use, and reduces the maintenance cost of electric tools.


Attached drawings of patent abstract

Since the beginning of this year, HeT has obtained 36 new patent authorizations, an increase of 20% compared to the same period last year. Based on the financial data of the company's 2023 annual report, the company invested 505 million yuan in research and development, a year-on-year increase of 57.18%.
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