ISU55,5-15,5TRAJ
55.5kHz Waterproof Ultrasonic Transducer for Automotive Reversing Radar Systems
Waterproof, Integrated Transceiver, High Sensitivity, Wide Bandwidth, Reliable Operation, Lightweight, Good Signal-to-Noise Ratio
The 55.5kHz Waterproof Ultrasonic Transducer is engineered specifically for automotive applications and serves as a crucial component in reversing radar systems. This high-performance transducer boasts a robust waterproof design, offering exceptional durability against harsh environmental conditions and ensuring long-term reliability.
By integrating both the transmitter and receiver into a single, compact unit, this transducer simplifies installation while enhancing overall operational efficiency. The high sensitivity combined with a wide bandwidth allows for accurate distance measurements, making it an essential device for effective collision avoidance in vehicles.
The excellent signal-to-noise ratio further guarantees precise readings, significantly minimizing interference from surrounding noise—an essential feature during parking and reversing maneuvers. With its lightweight and compact configuration, the transducer is well-suited for various automotive applications, promoting safer maneuvering in tight spaces.
Especificación
| Elemento de prueba | Testing Conditions | Judgment Criteria |
|---|---|---|
| Frecuencia central (kHz) | Room temperature 25±3(℃) | 55.5±1 |
| Capacitancia (pF) | 1 kHz; Room temperature 25±3(℃) | 1500±20% |
| Ángulo (°) | Room temperature 25±3(℃), using customer-provided circuit board, probe height 80 cm, distance to target 60 cm, target is Ф75 mm PVC pipe, height 1 m, testing environment requires no obstacles within 2 m radius | X-axis: 105±10 Y-axis: 55±10 |
| Vibración residual (ms) | Room temperature 25±3(℃), using customer-provided circuit board, oscilloscope setting: 2V/1ms, reading as shown in Fig. 2, residual vibration branching judgment criteria as per Fig. 3 | 1.08-1.72 |
| Echo Sensitivity (µs) | Room temperature 25±3(℃), using customer-provided circuit board, obstacle: Ф75mm*1000mm PVC pipe, distance 1.5m, oscilloscope setting: 2V/1ms | 280-560 |
| Insulation Resistance (MΩ) | DC Voltage 100V | ≥100 |
| Presión sonora (dB) | Room temperature 25±3(℃), distance: 30 cm, input voltage: 10Vrms, 0dB=2x10-5Pa | ≥108 |
| Temperatura de funcionamiento (℃) | -40~+85 | Cualificado |
| Temperatura de almacenamiento (℃) | -40~+85 | Cualificado |
| Voltaje máximo (Vp-p) | Ancho de pulso 0,8 ms, intervalo 60 ms | 150 |
Dimensiones externas / Diagrama de onda de prueba
Aplicaciones típicas
Utilizing a distinct 55.5kHz frequency and a specialized asymmetric beam pattern (110°/45°), this ultrasonic transducer is engineered for precision in complex environments. In Automotive Reversing Systems, the unique 55.5kHz frequency offers superior immunity to cross-talk interference from standard 40kHz/48kHz sensors. It is also the ideal sensing solution for Smart Waste Management (Trash Can Fill Detection), where its narrower beam angle effectively prevents false triggers from bin walls while accurately measuring waste levels. Combined with an ultra-short ringing time (≤1.2ms) for a minimal 20cm blind zone and a rugged IP67 waterproof housing, it delivers reliable, high-resolution performance for smart home devices, robotics, and industrial automation where minimizing signal clutter is critical.