A photosensitive composite water entry detection device
A technology of water entry detection and photosensitive detection, which is applied in the field of sensors, can solve problems such as false triggering, non-triggering when entering water, man-made or environmental pollution, etc., and achieves the effects of good reliability, reliable function, and rapid detection response
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Embodiment 1
[0027] Example 1, see figure 1 , provides a photosensitive composite water entry detection device, including an infrared emitting diode 1, a phototransistor 2, a base 3, an optical probe 4, an infrared one-way light-transmitting film 5, a positive electrode 6, a negative electrode 7, and a photosensitive detection circuit 8 , conduction detection circuit 9 and logic AND circuit 10;
[0028] The base is provided with a light-emitting hole and a receiving hole, the infrared emitting diode is fixed in the light-emitting hole, and the phototransistor 2 is fixed in the receiving hole; and the openings of the light-emitting hole and the receiving hole are covered with polysulfone material, and the polysulfone material forms An optical probe with an optical interface, the optical interface of the polysulfone material is covered with an infrared one-way light-transmitting film;
[0029] The infrared emitting diode is used as the emitting light source, and the infrared light source in...
Embodiment 2
[0034] Embodiment 2 provides a photosensitive composite water entry detection device, including an infrared emitting diode 1, a phototransistor 2, a base 3, an optical probe 4, an infrared one-way light-transmitting film 5, a positive electrode 6, a negative electrode 7, a photosensitive Detection circuit 8, conduction detection circuit 9 and logic AND circuit 10;
[0035] The base is provided with a light-emitting hole and a receiving hole, the infrared emitting diode is fixed in the light-emitting hole, and the phototransistor 2 is fixed in the receiving hole; and the openings of the light-emitting hole and the receiving hole are covered with polysulfone material, and the polysulfone material forms An optical probe with an optical interface, the optical interface of the polysulfone material is covered with an infrared one-way light-transmitting film;
[0036] The infrared emitting diode is used as the emitting light source, and the infrared light source in the non-visible li...
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