Automobile long-and-short distant light switching system
A switching system, far and near light technology, applied in optical signals, vehicle components, signal devices and other directions, can solve the problems of inability to achieve automatic switching and manual switching compatibility, inaccurate distance acquisition, difficult to accurately switch and other problems, to achieve convenient and flexible operation, The effect of good safety performance and timely processing
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Embodiment 1
[0021] like figure 1 As shown, the automobile high and low beam switching system includes a detector 1 for detecting the distance of an object in front of the automobile and generating a distance signal corresponding to the distance of the object. When the distance corresponding to the distance signal is less than the set The control module 2 that can generate switching trigger signal when distance. On the control module 2, the high beam light switch 3 that is in the conduction state and the low beam light switch 4 that is in the disconnected state are connected when the object distance in front of the car is greater than the set distance, and when the control module 2 generates a switching trigger signal, the switching The trigger signal can make the high beam switch 3 and the low beam switch 4 change working states simultaneously. The set distance here is 80-120 meters, and the set distance is 100 meters in this embodiment.
[0022] The detector 1 here is a car radar. Sin...
Embodiment 2
[0026] like figure 2 As shown, in this embodiment, the microprocessor 22 is connected with an adjustment unit 7 for changing the set distance. The setting distance can be easily changed through the adjustment unit 7, further improving the flexibility of use. The microprocessor 22 includes a correction unit 221 that can adjust the generation time of the switching trigger signal according to the movement state of the object before the distance corresponding to the distance signal of the detector 1 is less than the set distance. The motion state of the object here includes, but is not limited to, various factors such as the speed, acceleration, direction of motion, and trajectory of the object. Obviously, if the movement speed or acceleration is fast, the generation time of the switching trigger signal in the control module 2 can be appropriately advanced. On the contrary, it can be delayed appropriately. The rest are similar to those in Example 1, and will not be described i...
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