Infrared light sensing device, infrared distance measurement method and equipment and storage medium

By setting the first transistor in the infrared light sensing device and using its amplification function to realize infrared light detection on the infrared transmitting end, the problem of correlation between the infrared receiver and the transmitting end in the existing infrared distance measurement method is solved, and the sensitivity and distance sensing effect of infrared light sensing are improved.

CN119716882AActive Publication Date: 2025-03-28GREE ELECTRIC APPLIANCE INC OF ZHUHAI
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Patent Information

Application Number
CN202411513630.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-10-28
Publication Date
2025-03-28
Estimated Expiration
2044-10-28

AI Technical Summary

Technical Problem

In the existing infrared ranging method, the correlation problem between the infrared receiver and the infrared transmitter leads to inconvenient detection process.

Method used

An infrared light sensing device is designed, including a power supply, a first resistor, a second resistor, a third resistor, a fourth resistor, an infrared emitter, a first capacitor, a first transistor, an infrared internal receiver and a microcontroller. By setting the first transistor to use its amplification function, infrared light detection can be realized at the transmitting end.

Benefits of technology

It realizes infrared light detection at the infrared transmitting end, avoiding the design complexity of independent infrared receiver and transmitting end, and improving the sensitivity and distance sensing effect of infrared light sensing.

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Abstract

The embodiment of the invention provides an infrared light sensing device, an infrared distance measurement method, infrared distance measurement equipment and a storage medium. The infrared light sensing device comprises a power supply, a first resistor, a second resistor, a third resistor, a fourth resistor, an infrared transmitting tube, a first capacitor, a first triode, an infrared receiving tube and a microcontroller, the collector of the first triode is connected with the cathode of the infrared transmitting tube, the base of the first triode is connected with the third resistor, and the emitter of the first triode is connected with the fourth resistor; the fourth resistor is connected with the infrared receiving tube; the collector of the first triode is connected with the first capacitor through the second resistor. The collector electrode of the first triode is connected with the microcontroller through the second resistor, and the base electrode of the first triode is connected with the microcontroller through the third resistor. According to the infrared light sensing device provided by the embodiment of the invention, infrared light detection can be realized at the transmitting end, and an independent infrared receiving end and an independent infrared transmitting end do not need to be arranged respectively.
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