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WELGAO has been granted an invention patent authorization: "A corrosion-resistant power circuit board"

Article Source：Qichacha | Author：Securities Star | Issuing Time：2024.05.12
Securities Star News: According to data from Qichacha, WELGAO (301251) has obtained a new invention patent authorization, titled "A corrosion-resistant power circuit board", with patent application number CN202111654774.2 and authorization date of May 10, 2024.

Patent abstract: The present invention relates to a circuit board, in particular to a corrosion-resistant power circuit board. The purpose of the present invention is to provide a corrosion-resistant power supply circuit board that can maintain the circuit board in a dry environment. A corrosion-resistant power circuit board comprising a circuit board body, a first fixing bracket, a fixed heat dissipation plate, connecting wires, and a humidity sensor, etc. The top of the circuit board body is equipped with a first fixing bracket with acid and alkali corrosion resistance and good thermal conductivity. The front and rear sides of the left side of the first fixing bracket are equipped with fixed heat dissipation plates for heat dissipation. There is a connecting wire between the left side of the first fixing bracket and the left side of the circuit board body, and a humidity sensor for monitoring the corrosion-resistant power circuit board is installed on the fixed heat dissipation plate on the front side. The heat emitted by the heating wire is blown onto the circuit board body by the fan, which then uniformly dries the circuit board body, keeping it dry and preventing it from being damp and corroded.


Attached drawings of patent abstract

Since the beginning of this year, WELGAO has obtained 2 new patent authorizations, a decrease of 71.43% compared to the same period last year. Based on the financial data of the company's 2023 annual report, the company invested 37.1497 million yuan in research and development, a year-on-year increase of 5.59%.
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