On December 16, 2024, in the financial industry, according to information from the Intellectual Property Office, Suzhou Laihe Electronic Technology Co., Ltd. has obtained a patent titled "A Detection and Control Device for Differential Pressure Airtightness Tester", with authorization announcement number CN 222144437 U and application date of April 2024.
The patent abstract shows that the present utility model discloses a detection and control device for a differential pressure airtightness detector, comprising a detector, wherein an air source is installed inside the detector, and one end of the air source is equipped with an intake pipe and a second intake pipe, respectively. The exhaust end of the intake pipe is equipped with a detection piece, and the exhaust end of the second intake pipe is equipped with a standard piece. The exhaust ends of the detection piece and the standard piece are both equipped with exhaust pipes, and the exhaust pipes are respectively connected to the detection piece and the standard piece through threaded sealing. A pressure regulating mechanism is installed on the upper side of one end of the exhaust pipe, and a pressure sensor is installed on the other end of the exhaust pipe. A piston is installed inside the pressure regulating mechanism. The lower end of the piston forms a closed chamber for the pressure regulating mechanism, and the upper end of the piston is equipped with an adjusting column, Solved the problem of difficulty in achieving unified air pressure control between the detection and standard parts of the differential pressure airtightness detector.
This article originates from the financial industry
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