SUPERSONIC WAVE SENSOR FOR VEHICLES
SUPERSONIC WAVE SENSOR FOR VEHICLES
The present invention relates to an ultrasonic wave sensor for a vehicle, including: a pillar-shaped guard having each opening at both ends in the longitudinal direction; a matching layer formed on the opening side of one end of the guard, and including an adhesive and a filler; a piezoelectric element disposed on the matching layer at the inner space side of the guard; and a support layer disposed in the inner space of the guard from the opening at the other end of the guard to the matching layer and the piezoelectric element. The present invention does not contain a substance which causes a decrease in sensitivity of transmission and reception, thereby the sensor having excellent performance.
본 발명은 길이 방향의 양단에 각각 개구부를 갖는 기둥 형상의 가드; 상기 가드의 일단의 개구부 측에, 접착제 및 충진제를 포함하여 형성된 매칭층; 상기 가드의 내부 공간측에서의 상기 매칭층 상에 배치된 압전 소자; 및 상기 가드의 타단의 개구부로부터 상기 매칭층 및 상기 압전 소자까지의 상기 가드의 내부 공간에 배치되는 지지층;을 포함하는, 차량용 초음파 센서에 관한 것이다.
Document information
SUPERSONIC WAVE SENSOR FOR VEHICLES
차량용 초음파 센서
2020-07-08
Patent
Electronic Resource
Korean
| IPC: | G01H MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES , Messen von mechanischen Schwingungen oder Ultraschall-, Schall- oder Infraschallwellen / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / C09J ADHESIVES , Klebstoffe |
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