CN210274602U - Human body infrared hand-scanning intelligent inductive switch directly controlled by 220V alternating current - Google Patents
Human body infrared hand-scanning intelligent inductive switch directly controlled by 220V alternating current Download PDFInfo
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- CN210274602U CN210274602U CN201920991124.9U CN201920991124U CN210274602U CN 210274602 U CN210274602 U CN 210274602U CN 201920991124 U CN201920991124 U CN 201920991124U CN 210274602 U CN210274602 U CN 210274602U
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Abstract
The utility model provides a human infrared hand of 220V alternating current direct control sweeps intelligent inductive switch. Intelligent inductive switch is swept to 220V alternating current direct control's human infrared hand includes: the infrared sensing circuit comprises an MCU power supply circuit, an MCU, an optical coupler U3, an infrared sensing chip U1 and a high-voltage switch circuit, wherein the MCU power supply circuit comprises a diode D1 and a voltage reduction chip U2 which are electrically connected with each other, 220V alternating current is connected to the input end of the diode D1, the output end of a diode D1 is electrically connected with the input end of the voltage reduction chip U2, and the output end of the voltage reduction chip U2 is electrically connected with the input end of the MCU, so that the voltage of 220V is reduced to 5V, and the MCU is powered; the signal output end of the infrared induction chip U1 is connected with the signal input end of the MCU, the signal output end of the MCU is electrically connected with the input end of the optical coupler U3, and the output end of the optical coupler U3 is connected to the high-voltage switch circuit.
Description
Technical Field
The utility model belongs to the technical field of LED, in particular to intelligent inductive switch is swept to 220V alternating current direct control's human infrared hand.
Background
The LED has the advantages of environmental protection, energy conservation, long service life and the like, is regarded as a lighting source in the 21 st century, and has begun to replace the traditional light source to be widely applied to various lighting lamps. The LED is recognized as a green fourth-generation light source, is a solid cold light source, and has many advantages of high efficiency, long service life, safety, environmental protection, small volume, high reliability, fast response speed, and the like. At present, the same lighting effect is achieved, the power consumption of the LED is about 1/10 of an incandescent lamp and 1/2 of a fluorescent lamp, the LED lamp is widely used, and the LED is often made into a lamp strip by the existing using method.
However, the research and development of the conventional human body hand-scanning intelligent induction light bar and the material cost are higher. Moreover, the control switch of the intelligent induction lamp bar is usually controlled by directly accessing direct current, so that an external voltage reduction controller is needed or a direct current power supply is directly used, the structure is complex, and the cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a human infrared hand-sweeping intelligent inductive switch directly controlled by 220V alternating current.
A human body infrared hand-scanning intelligent inductive switch directly controlled by 220V alternating current comprises: the infrared sensing circuit comprises an MCU power supply circuit, an MCU, an optical coupler U3, an infrared sensing chip U1 and a high-voltage switch circuit, wherein the MCU power supply circuit comprises a diode D1 and a voltage reduction chip U2 which are electrically connected with each other, 220V alternating current is connected to the input end of the diode D1, the output end of a diode D1 is electrically connected with the input end of the voltage reduction chip U2, and the output end of the voltage reduction chip U2 is electrically connected with the input end of the MCU, so that the voltage of 220V is reduced to 5V, and the MCU is powered; the signal output end of the infrared sensing chip U1 is connected with the signal input end of the MCU, the signal output end of the MCU is electrically connected with the input end of the optical coupler U3, and the output end of the optical coupler U3 is connected with the high-voltage switch circuit; the infrared sensing chip U1 senses an infrared signal and outputs a sensing signal to the MCU so as to output a control signal, and the optical coupler U3 receives the sensing signal and is switched on and off according to the control signal output by the MCU so as to control the working state of the high-voltage switch circuit.
Preferably, the method comprises the following steps: the MCU power supply circuit further comprises a filter capacitor C1 connected between the diode D1 and the buck chip U2, and the filter capacitor C1 is grounded.
Preferably, the high voltage switching circuit includes: the diode D2, the voltage stabilizer Q2, the silicon controlled rectifier element Q1 and the rectifier bridge DB 1; the input end of the diode D2 is connected with an AC input end, the output end of the diode D2 is connected with the input end of the voltage stabilizer Q2, the output end of the voltage stabilizer Q2 and the input end of the silicon controlled rectifier element Q1 are respectively connected with the output end of the optical coupler U3, so that the optical coupler U3 is connected with the high-voltage switching circuit; moreover, the output end of the silicon controlled rectifier element Q1 is connected to the input end of the rectifier bridge DB1, and the output end DB1 of the rectifier bridge is connected with an AC output end.
Preferably, the model of the sensing chip U1 is SOP-8.
The utility model has the advantages that:
the utility model provides a human infrared hand of 220V alternating current direct control uses the direct MCU that supplies with after the 220V alternating current step-down in sweeping intelligent inductive switch, accords with national safety standard, and is convenient for inductive switch's design production, need not additionally to set up voltage transformation component, also need not additionally to add the power, simple structure, and the cost is lower, is convenient for improve user experience.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a schematic circuit structure diagram of the human body infrared hand-scanning intelligent inductive switch directly controlled by 220V ac power provided by the utility model.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, an intelligent human body infrared hand-scanning inductive switch directly controlled by 220V ac power comprises: the infrared sensing circuit comprises an MCU power supply circuit, an MCU, an optical coupler U3, an infrared sensing chip U1 and a high-voltage switch circuit, wherein the MCU power supply circuit comprises a diode D1 and a voltage reduction chip U2 which are electrically connected with each other, 220V alternating current is connected to the input end of the diode D1, the output end of a diode D1 is electrically connected with the input end of the voltage reduction chip U2, and the output end of the voltage reduction chip U2 is electrically connected with the input end of the MCU, so that the voltage of 220V is reduced to 5V, and the MCU is powered; the signal output end of the infrared sensing chip U1 is connected with the signal input end of the MCU, the signal output end of the MCU is electrically connected with the input end of the optical coupler U3, and the output end of the optical coupler U3 is connected with the high-voltage switch circuit; the infrared sensing chip U1 senses an infrared signal and outputs a sensing signal to the MCU so as to output a control signal, and the optical coupler U3 receives the sensing signal and is switched on and off according to the control signal output by the MCU so as to control the working state of the high-voltage switch circuit.
In addition, the MCU power supply circuit also comprises a filter capacitor C1 connected between the diode D1 and the buck chip U2, and the filter capacitor C1 is grounded.
Specifically, the high-voltage switching circuit includes: the diode D2, the voltage stabilizer Q2, the silicon controlled rectifier element Q1 and the rectifier bridge DB 1; the input end of the diode D2 is connected with an AC input end, the output end of the diode D2 is connected with the input end of the voltage stabilizer Q2, the output end of the voltage stabilizer Q2 and the input end of the silicon controlled rectifier element Q1 are respectively connected with the output end of the optical coupler U3, so that the optical coupler U3 is connected with the high-voltage switching circuit; moreover, the output end of the silicon controlled rectifier element Q1 is connected to the input end of the rectifier bridge DB1, and the output end DB1 of the rectifier bridge is connected with an AC output end.
Preferably, the model of the sensing chip U1 is SOP-8.
It should be understood that the human body infrared hand-scanning intelligent inductive switch directly controlled by the 220V alternating current can realize the following intelligent functions:
the light is turned on by one hand and the light is turned off by the other hand;
moreover, the lamp can be turned off when being shielded by hands and then turned on when being shielded, and is suitable for being used in places such as wardrobes, cabinet lamps and the like with doors.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (4)
1. The utility model provides a human infrared hand-sweeping intelligent inductive switch of 220V alternating current direct control which characterized in that includes: an MCU power supply circuit, an MCU, an optical coupler U3, an infrared sensing chip U1 and a high-voltage switch circuit,
the MCU power supply circuit comprises a diode D1 and a voltage reduction chip U2 which are electrically connected with each other, 220V alternating current is connected to the input end of a diode D1, the output end of a diode D1 is electrically connected with the input end of a voltage reduction chip U2, and the output end of a voltage reduction chip U2 is electrically connected with the input end of the MCU, so that 220V high voltage is reduced to 5V to supply power to the MCU;
the signal output end of the infrared sensing chip U1 is connected with the signal input end of the MCU, the signal output end of the MCU is electrically connected with the input end of the optical coupler U3, and the output end of the optical coupler U3 is connected with the high-voltage switch circuit; the infrared sensing chip U1 senses an infrared signal and outputs a sensing signal to the MCU so as to output a control signal, and the optical coupler U3 receives the sensing signal and is switched on and off according to the control signal output by the MCU so as to control the working state of the high-voltage switch circuit.
2. The human body infrared hand-scanning intelligent inductive switch directly controlled by 220V alternating current according to claim 1, comprising: the MCU power supply circuit further comprises a filter capacitor C1 connected between the diode D1 and the buck chip U2, and the filter capacitor C1 is grounded.
3. The 220V alternating current direct control human body infrared hand-scanning intelligent induction switch according to claim 1, wherein the high-voltage switch circuit comprises: the diode D2, the voltage stabilizer Q2, the silicon controlled rectifier element Q1 and the rectifier bridge DB 1;
the input end of the diode D2 is connected with an AC input end, the output end of the diode D2 is connected with the input end of the voltage stabilizer Q2, the output end of the voltage stabilizer Q2 and the input end of the silicon controlled rectifier element Q1 are respectively connected with the output end of the optical coupler U3, so that the optical coupler U3 is connected with the high-voltage switching circuit;
moreover, the output end of the silicon controlled rectifier element Q1 is connected to the input end of the rectifier bridge DB1, and the output end DB1 of the rectifier bridge is connected with an AC output end.
4. The human body infrared hand-scanning intelligent induction switch directly controlled by 220V alternating current as claimed in claim 1, wherein the model of the induction chip U1 is SOP-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920991124.9U CN210274602U (en) | 2019-06-27 | 2019-06-27 | Human body infrared hand-scanning intelligent inductive switch directly controlled by 220V alternating current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920991124.9U CN210274602U (en) | 2019-06-27 | 2019-06-27 | Human body infrared hand-scanning intelligent inductive switch directly controlled by 220V alternating current |
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| Publication Number | Publication Date |
|---|---|
| CN210274602U true CN210274602U (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920991124.9U Expired - Fee Related CN210274602U (en) | 2019-06-27 | 2019-06-27 | Human body infrared hand-scanning intelligent inductive switch directly controlled by 220V alternating current |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210274602U (en) |
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2019
- 2019-06-27 CN CN201920991124.9U patent/CN210274602U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200407 Termination date: 20210627 |
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| CF01 | Termination of patent right due to non-payment of annual fee |