Brake sensing in an automobile serves as a critical safety feature, signalling to vehicles behind when the vehicle is slowing down. Ensuring that the brake lights illuminate instantly, even before the vehicle begins decelerating, is essential to provide maximum reaction time for following vehicles. To achieve this, a magnet is strategically positioned behind the brake pedal, while a reed sensor is mounted nearby, poised to detect even the slightest depression of the brake pedal.
Given that most automobile pedals operate on a fulcrum mechanism, this setup allows for flexible positioning of the sensor and magnet. This enables the system to deliver a normally-open output trigger to the microprocessor. By detecting the early signal of brake sensing, the system promptly activates the tail lamps, providing ample time for vehicles behind to react and adjust their speed accordingly.
Furthermore, this early brake sensing signal serves a dual purpose by also facilitating the deactivation of cruise control systems. By leveraging the same signal that triggers the brake lights, the system seamlessly disengages cruise control, enhancing overall safety and control of the vehicle.
Through the integration of magnet and reed sensor technology, automobile manufacturers optimize brake sensing functionality, enhancing both safety and convenience for drivers and other road users. This approach not only ensures prompt brake light activation but also contributes to the smooth operation of essential vehicle systems, promoting a safer driving experience for all.
🧰 Application Classification
Applications are classified as Position Sensing, Pulse Counting, Electromagnetic or Relay, Temperature Sensing or Magnet Biasing types. This application is classified as follows and the link gives more information on best practices to help select the most suitable AT band and matching magnet.
✅ Recommended Products
The Reed Switches and Sensors used in this brake light application need to be robust, durable and efficient in meeting a high life expectancy. Our engineers work hard in life testing our products under various conditions, and our intention is to ensure end product durability and life. Although we wouldn’t want to restrict any of our products for use in only certain applications, the recommended products for use in this application are listed below.
