(19) China National Intellectual Property Administration, China
(12) utility model patent
(10) application publication number CN203037850U
(43) Date of publication of application: 20 13.07.03.
(2 1) The application number is CN20 1220740970. 1.
(22) Application date: 20 12. 12.30.
(7 1) Applicant Changzhou Wave Speed Sensor Co., Ltd. Address: 2 13022 No.99, Huanghe West Road, Xinbei District, Changzhou City, Jiangsu Province.
(72) Inventor Yang Long; Zou Dongping; Yao Zhang; Li Hongyuan; Yu Fangyun; Ni qingxue
He Xuecheng, agent of Changzhou Wei Yi Patent Office, the patent agency.
(5 1)Int。 CI claim description form
(54) Name of Invention Ultrasonic Sensor for Automatic Parking
(57) The utility model relates to a sensor, in particular to an ultrasonic sensor for automatic parking, which comprises a metal shell with a cavity, a piezoelectric ceramic sheet is arranged in the metal shell, the lower surface of the piezoelectric ceramic sheet is provided with a silver plating layer, and the upper surface comprises a first silver plating area and a second silver plating area, and the first silver plating area and the second silver plating area are separated; The first silver-plated area is connected with the positive lead terminal, the second silver-plated area is connected with the negative lead terminal, and the second silver-plated area is communicated with the silver-plated layer on the lower surface through the side metal body; The silver-plated layer on the lower surface of the piezoelectric ceramic sheet passes through the periodic entrance.
(Photo/Text/Photo: Pacific Auto Network Q&A called Beast)