Application of Ultrasonic Sensors in Contactless Car Wash Machines
Application of Ultrasonic Sensors in Touchless Car Wash Systems
Vehicle Identification: After the vehicle enters the designated area of the car wash machine, the ultrasonic sensor calculates the distance between the emission point and the vehicle body by measuring the time from sound emission to reception. This helps identify the size and contour of different vehicles. This information is essential for adjusting the working parameters of the car wash machine, such as the angle of the nozzles and the position of the brushes, ensuring precise and customized cleaning.
Position Calibration: Ultrasonic sensors can also detect whether the vehicle is parked at the center of the car wash machine. If the vehicle is off-center, the car wash machine automatically adjusts the position of the brushes or nozzles based on the sensor data, ensuring that all parts of the vehicle are cleaned evenly and effectively.
Ultrasonic Sensor Controls the Distance Between the Spray Bar and the Vehicle Body
Real-time Distance Measurement: The ultrasonic sensor is mounted on the spray bar and continuously monitors the distance between the spray bar and the vehicle body. By comparing this with the preset safe distance, the sensor ensures that the spray bar is always within the optimal cleaning range.
Dynamic Adjustment: If the distance between the spray bar and the vehicle body exceeds the set range, the car wash control system receives signals from the ultrasonic sensor and automatically adjusts the position of the spray bar or the working state of the motor to ensure the spray bar remains at the optimal cleaning distance, thus optimizing the cleaning effect.
Customer Case Using CSB30 Series Ultrasonic Sensors
The CSB30 series ultrasonic sensors are installed on a mobile device above the vehicle. Once the device starts moving, the ultrasonic sensors immediately begin working. During the detection process, the sensors transmit the collected data in real time to the car wash system. Based on this data, the car wash can accurately position the nozzles to the areas of the vehicle that need cleaning, ensuring optimal cleaning results for the vehicle.
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Models
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CSB30-2000 |
CSB30-4000
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CSB30-6000
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Detection range | 100 mm - 2000 mm | 200 mm - 4000 mm | 350 mm - 6000 mm |
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Blind zone
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0 mm - 100 mm |
0 mm - 200 mm
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0 mm - 350 mm
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Resolution
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0.17 mm |
0.17-1.5 mm
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0.17-2.5 mm
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Response time | 82 ms | 162 ms | 232 ms |
Switching hysteresis | ±2 mm | ±4 mm | ±5 mm |
Switching frequency | 10 Hz | 5 Hz | 4 Hz |
Repeatability: ±0.15% of full-scale value | |||
Absolute accuracy: ±1 % (built-in temperature drift compensation) | |||
Input type: With synchronization and learning function | |||
Output type: Switch output; IO-Link output; Analog output; Digital output RS485 | |||
Material: Copper nickel plating , plastic fittings , glass filled epoxy resin | |||
Connection type: 5-pin M12 connector | |||
Protection Class: IP67 | |||
Ambient temperature: -25°C~+70°C (248~343K) | |||
The Benefits of Installing Ultrasonic Sensors in Contactless Automatic Car Wash Machines
Enhancing Cleaning Precision: With accurate distance measurement and real-time feedback from the ultrasonic sensor, the car wash machine can precisely clean different parts of the vehicle, reducing blind spots and significantly improving the overall cleaning effect.
Enhancing Safety: The ultrasonic sensor prevents the spray bar or brushes from colliding with or excessively pressing against the vehicle, protecting it from damage. Additionally, when the sensor detects an abnormal situation, it can trigger an alarm or stop the car wash machine, further ensuring the safety of the washing process.
The Environmental Adaptability of Ultrasonic Sensors
Unaffected by Color: As a non-contact long-range measurement device, the working principle of the ultrasonic sensor does not rely on the color or surface material of the vehicle. Therefore, regardless of changes in vehicle color or surface dirt, the ultrasonic sensor can work stably and reliably.
Adapts to Harsh Environments: Car wash environments are often filled with moisture and steam, but ultrasonic sensors are highly adaptable to such conditions. They can operate stably over long periods without being affected by these environmental factors, ensuring measurement accuracy.
