Antenna self-cleaning mechanism of millimeter wave radar

• Main Authors: ZHANG JIE, ZHU RENFEI, HUANG NING, WANG KAI
• Format: Patent
• Language: Chinese; English
• Published: 03.01.2023
• Subjects: ANTENNAS, i.e. RADIO AERIALS; BASIC ELECTRIC ELEMENTS; CLEANING; CLEANING IN GENERAL; ELECTRICITY; PERFORMING OPERATIONS; PREVENTION OF FOULING IN GENERAL; TRANSPORTING

The utility model discloses a millimeter wave radar antenna self-cleaning mechanism, which comprises a millimeter wave radar level gauge main body, an antenna and a gas distribution ring, the top of the antenna is provided with a first flange attached to the bottom of the millimeter wave radar level gauge main body, and the bottom of the first flange is concavely provided with a second ring groove corresponding to the gas distribution ring. A plurality of second gas guide holes are formed between the first ring groove and the second ring groove, an open type third ring groove is formed in the edge of the top face of the gas distribution ring in an inwards-concave mode, a conical hole is concentrically formed in the inner side of the antenna, and a cone concentric with the conical hole is arranged on the edge of the bottom of the gas distribution ring in an outwards-convex mode; a conical air outlet groove is formed between the outer wall of the cone and the inner wall of the conical hole. According to the ant