ON Semiconductor and RFMicron have expanded their cooperation to develop a complete vehicle line leak detection solution. The RFM5126 water intrusion detection system uses a battery-free wireless sensor to detect water leakage in the car due to assembly errors. Detecting water leaks and assembly problems before the vehicle leaves the factory is critical to improving the quality of the factory vehicle and avoiding customer warranty issues. The new automatic leak detection system is assembled on the production line and will detect the smallest leaks that can cause damage.
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The system uses a moisture detection sensor that includes RFMicron's Magnus® IC. Magnus-based ICs support a range of innovative ON Semiconductor batteryless wireless sensors, named Smart Passive SensorTM and SPSTM.
The process of car assembly is complex and involves a range of materials, adhesives, replacement components and manual processes. Traditional methods Even with the best efforts, there may be small leaks that are not detected in manual inspection procedures. Over time, water leaking into the car from leaks is enough to cause mold growth and potential damage to expensive electronic modules and components. Statistics show that the factory has a water leakage problem of up to 3%, which will lead to mold growth and expensive warranty. Compared to traditional and less efficient methods, the RFM5126 water intrusion detection system is able to accurately detect these leaks at a lower cost and with less labor.
The inconspicuous battery-free wireless sensor is installed in the car during the bare metal phase before the car interior and seat. After all assembly is completed, the vehicle is tested for high pressure spray and the system will flag any small, hard to find leaks. Cars drive through the portal staTIons that are easy to install on existing car assembly lines, making it easy for port staTIons to communicate with sensors. The portal staTIons have comprehensive sensor monitoring software that reports accurate leak locations and helps speed up the rework process. Over time, the system helped automakers identify problems that caused water leaks at the outset, enhancing process improvement.
RFMicron CEO (CEO) Shahriar Rokhsaz said: “Automotive manufacturers have been able to detect obvious major leaks, but they have difficulty detecting small leaks that cause damage over a long period of time. The RFM5126 water intrusion detection system detects Almost all mold caused by small leaks and most 'micro-leakage'. Our goal is to detect small water leaks before leaving the factory. Our battery-free wireless sensors and related software provide an efficient and cost-effective solution. To achieve this goal."
Gary Straker, vice president of protection and signal division at ON Semiconductor, said: "It is a big problem for automakers to detect leaks. The new system automatically detects small leaks on the assembly line, solves the problem and changes the process. Improve the quality of the vehicle. The added benefit is lower factory maintenance costs, because the right materials and well-trained personnel are on site. Early detection of leaks and handling, greatly reducing maintenance costs and avoiding automakers The reputation of the quality has any impact and provides the industry with an attractive potential return on investment."
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