Infrared light sensor

By designing an infrared light sensor that includes infrared detection, photosensitive detection, preprocessing and main control circuit, the problem of low automation and intelligence of existing LED lamps is solved, and the automatic adjustment of LED lamps is realized, reducing power loss and extending service life.

CN222618035UActive Publication Date: 2025-03-14SHANGHAI GEEN LIGHTING TECH CO LTD
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Patent Information

Application Number
CN202421505301.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-28
Publication Date
2025-03-14
Estimated Expiration
2034-06-28

AI Technical Summary

Technical Problem

The existing LED lights have low automation and intelligence, and cannot independently adjust lighting according to the on-site environment, resulting in power loss and LED light service life loss, increasing the cost of lighting operations.

Method used

An infrared light sensor is designed, including a main control circuit, an infrared detection circuit, a photosensitive detection circuit, a preprocessing circuit and a voltage stabilization circuit. By collecting infrared signals and photosensitive signals, preprocessing, and controlling external devices such as LED lights according to the processed signals.

Benefits of technology

Through the use of infrared light sensors, the efficiency of external equipment can be improved, the automation and intelligent adjustment of LED lamps can be realized, the power loss can be reduced and the service life of LED lamps can be extended.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an infrared light sensor. The infrared light sensor comprises a main control circuit, and an infrared detection circuit, a photosensitive detection circuit, a preprocessing circuit and a voltage stabilizing circuit which are electrically connected with the main control circuit, the infrared detection circuit is used for collecting infrared signals; the photosensitive detection circuit is used for collecting photosensitive signals; the preprocessing circuit is used for preprocessing the infrared signal and the photosensitive signal; the main control circuit controls external equipment according to the preprocessed infrared signal and the photosensitive signal; and the voltage stabilizing circuit is used for supplying power. According to the utility model, infrared signals are collected through the infrared detection circuit; the photosensitive detection circuit collects a photosensitive signal; the preprocessing circuit preprocesses the infrared signal and the photosensitive signal; and the main control circuit controls external equipment according to the preprocessed infrared signal and photosensitive signal.
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Description

Technical Field

[0001] The utility model relates to the technical field of sensors; specifically, the utility model relates to an infrared light sensor. Background Art

[0002] At present, the automation and intelligence level of LED lamps is low, and they cannot autonomously adjust the lighting according to the on-site environment, which in turn causes serious power loss and loss of LED lamp service life, increasing the cost of LED lighting operations. Utility Model Content

[0003] The purpose of the utility model is to provide an infrared light sensor, which can solve or at least alleviate one or more of the above-mentioned problems and other problems existing in the prior art.

[0004] In order to achieve the above-mentioned object, the utility model provides an infrared light sensor, wherein the infrared light sensor comprises:

[0005] A main control circuit, and an infrared detection circuit, a photosensitivity detection circuit, a preprocessing circuit and a voltage stabilizing circuit electrically connected to the main control circuit;

[0006] The infrared detection circuit is used to collect infrared signals; the photosensitivity detection circuit is used to collect photosensitivity signals; the preprocessing circuit preprocesses the infrared signals and the photosensitivity signals; the main control circuit controls external devices according to the preprocessed infrared signals and the photosensitivity signals; and the voltage stabilizing circuit is used to supply power.

[0007] In the infrared light sensor as described above, optionally, the infrared detection circuit includes a chip U1, the chip U1 model is RDB223, the pin 1 of the chip U1 is connected to one end of the capacitor C1, one end of the resistor R6 and a 3.3V voltage; the pin 2 of the chip U1 is connected to one end of the resistor R1, the other end of the resistor R1 is connected to the base of the transistor Q1, the emitter of the transistor Q1 is connected to the other end of the resistor R6, and the collector of the transistor Q1 is grounded; the pin 3 of the chip U1 is connected to the other end of the capacitor C1 and is grounded.

[0008] In the infrared light sensor as described above, optionally, the photosensitivity detection circuit includes a chip U3, the model of the chip U3 is LM393, the pin 1 of the chip U3 is connected to one end of the capacitor C11, and the other end of the capacitor C11 is grounded; the pin 2 of the chip U3 is connected to the sliding end of the sliding rheostat R5, one end of the sliding rheostat R5 is grounded, and the other end of the sliding rheostat R5 is connected to one end of the resistor R4 and a 3.3V voltage; the pin 3 of the chip U3 is connected to the other end of the resistor R4, one end of the photoresistor N2, and one end of the capacitor C5; the pin 4 of the chip U3 is connected to the other end of the photoresistor N2 and the other end of the capacitor C5, and is grounded; the pin 8 of the chip U3 is connected to one end of the capacitor C6 and a 3.3V voltage, and the other end of the capacitor C6 is grounded.

[0009] In the infrared light sensor as described above, optionally, the preprocessing circuit includes a chip U5, the chip U5 model is SP485, the pin 1 of the chip U5 is connected to one end of the resistor R7, the other end of the resistor R7 is connected to one end of the resistor R8 and the 3.3V voltage; the pin 2 of the chip U5 is connected to the other end of the resistor R8 and the collector of the transistor Q2; the pin 3 of the chip U5 is connected to the pin 2 of the chip U5; the pin 4 of the chip U5 is connected to the emitter of the transistor Q2, and Grounded; Pin 5 of the chip U5 is connected to one end of the resistor R12 and to ground; Pin 6 of the chip U5 is connected to one end of the resistor R9, one end of the resistor R11, and a first end of the diode D1; Pin 7 of the chip U5 is connected to the other end of the resistor R12, the other end of the resistor R11, and the second end of the diode D1, and the third end of the diode D1 is grounded; Pin 8 of the chip U5 is connected to the other end of the resistor R9, one end of the capacitor C12 and a 3.3V voltage, and the other end of the capacitor C12 is grounded.

[0010] In the infrared light sensor as described above, optionally, the main control circuit includes a chip U2, the model of which is CS32L010, the pin 2 of the chip U2 is connected to one end of the resistor R2, the other end of the resistor R2 is connected to one end of the light-emitting diode LED1, and the other end of the light-emitting diode LED1 is grounded; the pin 3 of the chip U2 is connected to one end of the resistor R3, the other end of the resistor R23 is connected to one end of the light-emitting diode LED2, and the other end of the light-emitting diode LED2 is grounded; the pin 7 of the chip U2 is grounded; the pin 8 of the chip U2 is connected to one end of the capacitor C3, and the other end of the capacitor C3 is grounded; the pin 9 of the chip U2 is connected to one end of the capacitor C4, one end of the capacitor C2 and a 3.3V voltage; the other end of the capacitor C4 and the other end of the capacitor C2 are grounded.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] According to the infrared light sensor of the utility model, the infrared detection circuit collects infrared signals, the photosensitive detection circuit collects photosensitive signals, the preprocessing circuit preprocesses the infrared signals and photosensitive signals, and the main control circuit controls external devices according to the preprocessed infrared signals and photosensitive signals, thereby improving the use efficiency of the external devices. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a circuit diagram of the infrared light sensor of the present utility model.

[0014] Figure 2 This is a circuit diagram of the main control circuit in the infrared light sensor of the utility model;

[0015] Figure 3 It is a circuit diagram of the infrared detection circuit in the infrared light sensor of the utility model;

[0016] Figure 4 It is a circuit diagram of a photosensitive detection circuit in an infrared light sensor of the utility model;

[0017] Figure 5 It is a circuit diagram of a pre-processing circuit in the infrared light sensor of the utility model;

[0018] Figure 6 The utility model is a circuit diagram of a voltage stabilizing circuit in an infrared light sensor.

[0019] In the figure: 1. Main control circuit; 2. Infrared detection circuit; 3. Photosensitive detection circuit; 4. Preprocessing circuit; 5. Voltage stabilization circuit. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] It should be noted that, in the description of the present invention, the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside" and "outside" indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. The terms "first", "second" and similar words used in the description of the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components, and therefore cannot be understood as limitations on the present invention.

[0022] Furthermore, it should be understood that for the sake of ease of description, the sizes of the various components shown in the drawings are not drawn according to actual proportions. For example, the thickness or width of certain layers may be exaggerated relative to other layers.

[0023] It should be noted that like reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined or described in one drawing, it will not require further detailed discussion and description in the description of the subsequent drawings.

[0024] Figure 1 The circuit diagram of the infrared light sensor of the utility model shows a main control circuit 1, an infrared detection circuit 2, a photosensitive detection circuit 3, a preprocessing circuit 4 and a voltage stabilizing circuit 5 of the infrared light sensor.

[0025] like Figure 1-6 As shown, the infrared detection circuit 2 , the photosensitive detection circuit 3 , the preprocessing circuit 4 and the voltage stabilizing circuit 5 are all electrically connected to the main control circuit 1 .

[0026] Specifically, the infrared detection circuit 2 is used to collect infrared signals; the photosensitive detection circuit 3 is used to collect photosensitive signals; the preprocessing circuit 4 preprocesses the infrared signal and the photosensitive signal; the main control circuit 1 controls the external device according to the preprocessed infrared signal and the photosensitive signal, and the external device is an LED lamp; the voltage stabilizing circuit 5 is used to convert the external 5V power supply into 3.3V for power supply.

[0027] Among them, P1 is the signal port, P2 is the burning port, and P3 is the power port.

[0028] Furthermore, the infrared detection circuit 2 includes a chip U1, the model of the chip U1 is RDB223, the pin 1 of the chip U1 is connected to one end of the capacitor C1, one end of the resistor R6 and a 3.3V voltage; the pin 2 of the chip U1 is connected to one end of the resistor R1, the other end of the resistor R1 is connected to the base of the transistor Q1, the emitter of the transistor Q1 is connected to the other end of the resistor R6, and the collector of the transistor Q1 is grounded; the pin 3 of the chip U1 is connected to the other end of the capacitor C1 and is grounded.

[0029] Furthermore, the photosensitivity detection circuit 3 includes a chip U3, the model of which is LM393, and pin 1 of the chip U3 is connected to one end of the capacitor C11, and the other end of the capacitor C11 is grounded; pin 2 of the chip U3 is connected to the sliding end of the sliding rheostat R5, one end of the sliding rheostat R5 is grounded, and the other end of the sliding rheostat R5 is connected to one end of the resistor R4 and a 3.3V voltage; pin 3 of the chip U3 is connected to the other end of the resistor R4, one end of the photoresistor N2, and one end of the capacitor C5; pin 4 of the chip U3 is connected to the other end of the photoresistor N2 and the other end of the capacitor C5, and is grounded; pin 8 of the chip U3 is connected to one end of the capacitor C6 and a 3.3V voltage, and the other end of the capacitor C6 is grounded.

[0030] Furthermore, the preprocessing circuit 4 includes a chip U5, the model of which is SP485. Pin 1 of chip U5 is connected to one end of resistor R7, and the other end of resistor R7 is connected to one end of resistor R8 and a 3.3V voltage; pin 2 of chip U5 is connected to the other end of resistor R8 and to the collector of transistor Q2; pin 3 of chip U5 is connected to pin 2 of chip U5; pin 4 of chip U5 is connected to the emitter of transistor Q2 and to ground; pin 5 of chip U5 is connected to one end of resistor R12 and to ground; pin 6 of chip U5 is connected to one end of resistor R9, one end of resistor R11, and a first end of diode D1; pin 7 of chip U5 is connected to the other end of resistor R12, the other end of resistor R11, and a second end of diode D1, and the third end of diode D1 is grounded; pin 8 of chip U5 is connected to the other end of resistor R9, one end of capacitor C12 and a 3.3V voltage, and the other end of capacitor C12 is grounded.

[0031] Furthermore, the main control circuit 1 includes a chip U2, the model of chip U2 is CS32L010, pin 2 of chip U2 is connected to one end of resistor R2, the other end of resistor R2 is connected to one end of light-emitting diode LED1, and the other end of light-emitting diode LED1 is grounded; pin 3 of chip U2 is connected to one end of resistor R3, the other end of resistor R23 is connected to one end of light-emitting diode LED2, and the other end of light-emitting diode LED2 is grounded; pin 7 of chip U2 is grounded; pin 8 of chip U2 is connected to one end of capacitor C3, and the other end of capacitor C3 is grounded; pin 9 of chip U2 is connected to one end of capacitor C4, one end of capacitor C2 and 3.3V voltage; the other end of capacitor C4 and the other end of capacitor C2 are grounded.

[0032] Specifically, the pin 13 of the chip U2 detects the high and low levels of the chip U3 (LM393), and the chip U3 (LM393) detects the brightness through a photoresistor. If the light is bright, U3 (LM393) outputs a high level, and if the light is dark, U3 (LM393) outputs a low level. When in use, the infrared detection circuit 2 collects infrared signals, and the photosensitive detection circuit 3 collects photosensitive signals and transmits them to the main control circuit 1; the main control circuit 1 transmits the infrared signal and the photosensitive signal to the preprocessing circuit 4, and the preprocessing circuit 4 processes the infrared signal and the photosensitive signal, filters out the error signal, and transmits the processed infrared signal and the photosensitive signal back to the main control circuit 1; the main control circuit 1 outputs a control signal to the controlled object according to the processed infrared signal and the photosensitive signal. That is, when the infrared detection circuit 2 detects that there is someone, and the photosensitive detection circuit 3 detects that the light is dark, the LED light of the controlled object is controlled to light up.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An infrared light sensor, characterized in that: The infrared light sensor comprises a main control circuit (1), an infrared detection circuit (2) electrically connected to the main control circuit (1), a photosensitive detection circuit (3), a preprocessing circuit (4) and a voltage stabilizing circuit (5); The infrared detection circuit (2) is used to collect infrared signals; the photosensitive detection circuit (3) is used to collect photosensitive signals; the preprocessing circuit (4) preprocesses the infrared signals and the photosensitive signals; the main control circuit (1) controls external devices according to the preprocessed infrared signals and the photosensitive signals; and the voltage stabilizing circuit (5) is used to supply power.

2. The infrared light sensor according to claim 1, characterized in that: The infrared detection circuit (2) comprises a chip U1, the model of the chip U1 is RDB223, the pin 1 of the chip U1 is connected to one end of a capacitor C1, one end of a resistor R6 and a 3.3V voltage; the pin 2 of the chip U1 is connected to one end of the resistor R1, the other end of the resistor R1 is connected to the base of a transistor Q1, the emitter of the transistor Q1 is connected to the other end of the resistor R6, and the collector of the transistor Q1 is grounded; the pin 3 of the chip U1 is connected to the other end of the capacitor C1 and is grounded.

3. The infrared light sensor according to claim 2, characterized in that: The photosensitive detection circuit (3) comprises a chip U3, the model of the chip U3 is LM393, the pin 1 of the chip U3 is connected to one end of a capacitor C11, and the other end of the capacitor C11 is grounded; the pin 2 of the chip U3 is connected to the sliding end of a sliding rheostat R5, one end of the sliding rheostat R5 is grounded, and the other end of the sliding rheostat R5 is connected to one end of a resistor R4 and a 3.3V voltage; the pin 3 of the chip U3 is connected to the other end of the resistor R4, one end of a photoresistor N2, and one end of a capacitor C5; the pin 4 of the chip U3 is connected to the other end of the photoresistor N2 and the other end of the capacitor C5, and is grounded; the pin 8 of the chip U3 is connected to one end of a capacitor C6 and a 3.3V voltage, and the other end of the capacitor C6 is grounded.

4. The infrared light sensor according to claim 3, characterized in that: The preprocessing circuit (4) comprises a chip U5, the model of which is SP485; a pin 1 of the chip U5 is connected to one end of a resistor R7, and the other end of the resistor R7 is connected to one end of a resistor R8 and a 3.3V voltage; a pin 2 of the chip U5 is connected to the other end of the resistor R8 and to the collector of a transistor Q2; a pin 3 of the chip U5 is connected to a pin 2 of the chip U5; a pin 4 of the chip U5 is connected to the emitter of the transistor Q2 and is grounded; Pin 5 of the chip U5 is connected to one end of the resistor R12 and to ground; Pin 6 of the chip U5 is connected to one end of the resistor R9, one end of the resistor R11, and a first end of the diode D1; Pin 7 of the chip U5 is connected to the other end of the resistor R12, the other end of the resistor R11, and the second end of the diode D1, and the third end of the diode D1 is grounded; Pin 8 of the chip U5 is connected to the other end of the resistor R9, one end of the capacitor C12 and a 3.3V voltage, and the other end of the capacitor C12 is grounded.

5. The infrared light sensor according to claim 4, characterized in that: The main control circuit (1) comprises a chip U2, the model of which is CS32L010; a pin 2 of the chip U2 is connected to one end of a resistor R2, the other end of the resistor R2 is connected to one end of a light-emitting diode LED1, and the other end of the light-emitting diode LED1 is grounded; a pin 3 of the chip U2 is connected to one end of a resistor R3, the other end of the resistor R23 is connected to one end of a light-emitting diode LED2, and the other end of the light-emitting diode LED2 is grounded; a pin 7 of the chip U2 is grounded; a pin 8 of the chip U2 is connected to one end of a capacitor C3, and the other end of the capacitor C3 is grounded; a pin 9 of the chip U2 is connected to one end of a capacitor C4, one end of a capacitor C2 and a 3.3V voltage; the other end of the capacitor C4 and the other end of the capacitor C2 are grounded.