CN212305716U - Intelligent photosensitive illumination control circuit, photosensitive device and illuminating lamp - Google Patents
Intelligent photosensitive illumination control circuit, photosensitive device and illuminating lamp Download PDFInfo
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- CN212305716U CN212305716U CN202021151546.4U CN202021151546U CN212305716U CN 212305716 U CN212305716 U CN 212305716U CN 202021151546 U CN202021151546 U CN 202021151546U CN 212305716 U CN212305716 U CN 212305716U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model relates to an intelligent photosensitive lighting control circuit, which comprises a microcontroller circuit, a charging circuit, an energy storage circuit, a photoresistor discharge circuit, a reference resistor discharge circuit, a LED switch circuit and an LED lamp; the LED lamp is connected with the microcontroller circuit through the LED switch circuit, the energy storage circuit is connected with the microcontroller circuit through the charging circuit, one end of the photoresistance discharging circuit is connected to a connection point of the energy storage circuit and the charging circuit, the other end of the photoresistance discharging circuit is connected with the microcontroller circuit, one end of the reference resistance discharging circuit is connected to a connection point of the energy storage circuit and the charging circuit, and the other end of the reference resistance discharging circuit is connected with the microcontroller circuit; the microcontroller circuit determines the light intensity change of the external environment according to the discharging time T0 and T1 of the energy storage circuit through the reference resistor discharging circuit and the photoresistor discharging circuit respectively, and then controls the on and off of the LED lamp through the LED switch circuit. The utility model discloses a circuit is simple and easy, and is with low costs, the good reliability. The utility model discloses still relate to a photosensitive device and light.
Description
Technical Field
The utility model relates to a photosensitive control technical field especially relates to an intelligence photosensitive lighting control circuit, photosensitive device and light.
Background
The photosensitive illuminating lamp is widely applied, such as a storage cabinet, a clothes storage cabinet and the like. Such lighting lamps are usually turned on or off according to the brightness change of the ambient light, however, the sensitization recognition function of the conventional lighting lamp is realized by a microcontroller with an ADC or a photoswitch, and the conventional microcontroller with an ADC or the photoswitch has high cost.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to prior art's defect, provide an intelligence sensitization lighting control circuit, photosensitive device and light.
The utility model provides a technical scheme that its technical problem adopted is: an intelligent photosensitive lighting control circuit is constructed, and comprises a microcontroller circuit, a charging circuit, an energy storage circuit, a photoresistor discharging circuit, a reference resistor discharging circuit, an LED switch circuit and an LED lamp;
the LED lamp is connected with the microcontroller circuit through the LED switch circuit, the energy storage circuit is connected with the microcontroller circuit through the charging circuit, one end of the photoresistance discharging circuit is connected to a connection point of the energy storage circuit and the charging circuit, the other end of the photoresistance discharging circuit is connected with the microcontroller circuit, one end of the reference resistance discharging circuit is connected to a connection point of the energy storage circuit and the charging circuit, and the other end of the reference resistance discharging circuit is connected with the microcontroller circuit;
the microcontroller circuit charges the energy storage circuit through the charging circuit, determines the light intensity change of the external environment according to the time T0 and the time T1 that the energy storage circuit discharges through the reference resistor discharging circuit and the photoresistor discharging circuit respectively, and then controls the on and off of the LED lamp through the LED switch circuit.
Preferably, the microcontroller circuit comprises a microcontroller U1, a first resistor R1, a first capacitor C1, a second capacitor C2;
the first end of the first resistor R1 is connected with a power supply terminal VDD, and the second end of the first resistor R1 is grounded through the second capacitor C2; a first pin VDD of the microcontroller U1 is connected to the power supply terminal VDD, a second pin PA6 of the microcontroller U1 is connected to the photoresistor discharge circuit, a third pin PA5 of the microcontroller U1 is connected to the reference resistor discharge circuit, a fourth pin PA7 of the microcontroller U1 is connected to a connection point of a second end of the first resistor R1 and the second capacitor C2, a fifth pin PA2 of the microcontroller U1 is connected to the LED switch circuit, a seventh pin PA0 of the microcontroller U1 is connected to the charging circuit, and an eighth pin VSS of the microcontroller U1 is grounded; the first capacitor C1 is connected between the first pin VDD and the eighth pin VSS of the controller U1.
Preferably, the microcontroller U1 is HT48R002-SOP 8.
Preferably, the charging circuit comprises a second resistor R2.
Preferably, the photoresistor discharge circuit includes a photoresistor R4.
Preferably, the reference resistance discharge circuit includes a reference resistance R3.
Preferably, the tank circuit comprises a third capacitor C3.
Preferably, the LED switch circuit comprises a switch tube Q1, a fifth resistor R5, a sixth resistor R6;
the emitter of the switch tube Q1 is connected to the power supply terminal VDD, the collector of the switch tube Q1 is grounded via the LED lamp, the base of the switch tube Q1 is connected to the microcontroller circuit via the sixth resistor R6, and the fifth resistor R5 is connected between the base and the emitter of the switch tube Q1.
The utility model also provides a photosensitive device, including above arbitrary one intelligence sensitization lighting control circuit.
Further, the utility model also provides a light, including foretell photosensitive device.
Implement the technical scheme of the utility model, following beneficial effect has: the utility model discloses a change external environment's luminance, convert the time variation that energy storage circuit carries out discharge through the photo resistance discharge circuit into, and then realize the sensitization control. The utility model discloses a photosensitive control can be realized to the microcontroller or the photoswitch that the circuit need not take the ADC, and the cost is lower, and the circuit is simple and easy, the good reliability.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
fig. 1 is a schematic structural diagram of a first embodiment of the intelligent photosensitive illumination control circuit of the present invention;
fig. 2 is a schematic circuit diagram of the first embodiment of the intelligent photosensitive lighting control circuit of the present invention.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the first embodiment of the intelligent photosensitive lighting control circuit of the present invention.
As shown in fig. 1, the utility model discloses an intelligence sensitization lighting control circuit first embodiment, include: the system comprises a microcontroller circuit 10, a charging circuit 20, an energy storage circuit 30, a photoresistor discharging circuit 40, a reference resistor discharging circuit 50, an LED switch circuit 60 and an LED lamp 70;
specifically, the LED lamp 70 is connected to the microcontroller circuit 10 through the LED switch circuit 60, the energy storage circuit 30 is connected to the microcontroller circuit 10 through the charging circuit 20, one end of the photoresistor discharge circuit 40 is connected to a connection point between the energy storage circuit 30 and the charging circuit 20, the other end of the photoresistor discharge circuit 40 is connected to the microcontroller circuit 10, one end of the reference resistance discharge circuit 50 is connected to a connection point between the energy storage circuit 30 and the charging circuit 20, and the other end of the reference resistance discharge circuit 50 is connected to the microcontroller circuit 10;
the microcontroller circuit 10 charges the energy storage circuit 30 through the charging circuit 20, and the microcontroller circuit 10 determines the light intensity change of the external environment according to the discharging time T0 and T1 of the energy storage circuit 30 through the reference resistor discharging circuit 50 and the photoresistor discharging circuit 40, and further controls the on/off of the LED lamp 70 through the LED switch circuit 60.
The utility model discloses a photosensitive control scheme does not need ADC's microcontroller or photoswitch can realize photosensitive control, and is with low costs, and the circuit is simple and easy, the good reliability.
Further, fig. 2 is a schematic circuit diagram of the first embodiment of the intelligent photosensitive lighting control circuit of the present invention.
As shown in fig. 2, the microcontroller circuit 10 includes a microcontroller U1, a first resistor R1, a first capacitor C1, and a second capacitor C2;
a first end of the first resistor R1 is connected with a power supply terminal VDD (5V), and a second end of the first resistor R1 is grounded through a second capacitor C2; a first pin VDD of the microcontroller U1 is connected with a power supply end VDD, a second pin PA6 of the microcontroller U1 is connected with the photoresistor discharge circuit 40, a third pin PA5 of the microcontroller U1 is connected with the reference resistor discharge circuit 50, a fourth pin PA7 of the microcontroller U1 is connected with a connection point of a second end of the first resistor R1 and the second capacitor C2, a fifth pin PA2 of the microcontroller U1 is connected with the LED switch circuit 60, a seventh pin PA0 of the microcontroller U1 is connected with the charging circuit 20, and an eighth pin VSS of the microcontroller U1 is grounded; the first capacitor C1 is connected between the first pin VDD and the eighth pin VSS of the controller U1.
The type of the microcontroller U1 can be HT48R002-SOP 8. The type of the microcontroller U1 can be selected according to actual needs, and is only a preferred type, and is not limited only.
Further, the charging circuit 20 includes a second resistor R2. It will be appreciated that the microcontroller U1 current limits the charging of the tank circuit 30 through the second resistor R2 using the seventh pin PA 0.
Further, the photoresistor discharge circuit 40 includes a photoresistor R4. Preferably, the photoresistor R4 has a resistance value that decreases with increasing ambient light intensity and increases with decreasing ambient light intensity.
Further, the reference resistance discharge circuit 50 includes a reference resistance R3.
Further, the tank circuit 30 includes a third capacitor C3. Specifically, one end of the third capacitor C3 is connected to the seventh pin PA0 of the microcontroller U1 through the second resistor R2, and the other end of the third capacitor C3 is grounded.
Further, the LED switch circuit 60 includes a switch tube Q1, a fifth resistor R5, a sixth resistor R6;
specifically, the emitter of the switching tube Q1 is connected to the power supply terminal VDD (5V), the collector of the switching tube Q1 is grounded via the LED lamp 70, the base of the switching tube Q1 is connected to the microcontroller circuit 10 via the sixth resistor R6, and the fifth resistor R5 is connected between the base and the emitter of the switching tube Q1. The LED lamp 70 is a light emitting diode, and an anode thereof is connected to a collector of the switching tube Q1, and a cathode thereof is grounded.
The operation principle of the circuit according to the first embodiment of the present invention is described in detail below with reference to the circuit principle of fig. 2:
firstly, the microcontroller U1 sets the second pin PA6 and the third pin PA5 thereof as high impedance inputs, then the microcontroller U1 charges the third capacitor C3 through the second resistor R2 by using the seventh pin PA0, the microcontroller U1 sets the seventh pin PA0 thereof as a high impedance input after the third capacitor C3 is charged, and simultaneously the microcontroller U1 sets the third pin PA5 thereof as a low level, at this time, the third capacitor C3 can be discharged to the low level through the reference resistor R3 (the reference resistor discharge circuit 50), at this time, the microcontroller U1 calculates the discharge time T0 when the third capacitor C3 is discharged to the low level through the reference resistor R3 (the reference resistor discharge circuit 50) by using the input state of the seventh pin PA 0;
then, the microcontroller U1 sets the second pin PA6 and the third pin PA5 thereof as high impedance inputs, then the microcontroller U1 charges the third capacitor C3 through the second resistor R2 by using the seventh pin PA0, the microcontroller U1 sets the seventh pin PA0 thereof as a high impedance input after the third capacitor C3 is charged, and simultaneously the microcontroller U1 sets the second pin PA6 thereof as a low level, at this time, the third capacitor C3 can be discharged to a low level through the photoresistor R4 (i.e., the photoresistor discharge circuit 40), at this time, the microcontroller U1 calculates a discharge time T1 when the third capacitor C3 is discharged to the low level through the photoresistor R4 (the photoresistor discharge circuit 40) by using the input state of the seventh pin PA 0;
finally, the microcontroller U1 calculates the resistance of the photo resistor R4 under the current ambient light intensity according to the resistance of the discharge time T0, T1 and R3, and then determines the change of the current ambient light brightness according to the change of the resistance of the photo resistor R4, so that the microcontroller U1 outputs a control signal to the base of the switching tube Q1 through the fifth pin PA2 to control the on/off of the switching tube Q1, and further control the on/off of the LED lamp 70. For example, if the calculated resistance value of the photo resistor R4 becomes smaller, which indicates that the brightness of the current environment is increased, the microcontroller U1 outputs a control signal to the base of the switch tube Q1 through the fifth pin PA2, so as to control the switch tube Q1 to be turned on, and further to illuminate the LED lamp 70.
Additionally, the utility model discloses a photosensitive device, including the intelligent sensitization lighting control circuit of above arbitrary description. Specifically, the photosensitive device can be arranged at the opening of the cabinet door of a storage cabinet, a clothes storage cabinet and the like.
Additionally, the utility model discloses a lighting lamp, including foretell photosensitive device. When the cabinet doors of the storage cabinet, the clothes storage cabinet and the like are opened, the light intensity of the external environment sensed by the photosensitive device is increased, and then the illuminating lamp is controlled to be turned on, so that illumination in the cabinet is realized; when the cabinet door is closed, the photosensitive device does not sense the light of the external environment, and then the illuminating lamp is controlled to be closed.
It is to be understood that the foregoing examples merely represent preferred embodiments of the present invention, and that the description thereof is more specific and detailed, but not intended to limit the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (10)
1. An intelligent photosensitive lighting control circuit is characterized by comprising a microcontroller circuit (10), a charging circuit (20), an energy storage circuit (30), a photoresistor discharging circuit (40), a reference resistor discharging circuit (50), an LED switch circuit (60) and an LED lamp (70);
the LED lamp (70) is connected with the microcontroller circuit (10) through the LED switch circuit (60), the energy storage circuit (30) is connected with the microcontroller circuit (10) through the charging circuit (20), one end of the photoresistance discharging circuit (40) is connected to a connection point of the energy storage circuit (30) and the charging circuit (20), the other end of the photoresistance discharging circuit (40) is connected with the microcontroller circuit (10), one end of the reference resistance discharging circuit (50) is connected to a connection point of the energy storage circuit (30) and the charging circuit (20), and the other end of the reference resistance discharging circuit (50) is connected with the microcontroller circuit (10);
microcontroller circuit (10) are through charging circuit (20) give tank circuit (30) charge, microcontroller circuit (10) are according to tank circuit (30) are respectively through benchmark resistance discharge circuit (50), time T0, T1 that photoresistor discharge circuit (40) carried out the discharge determine external environment's light intensity change, and then through LED switch circuit (60) control the bright of LED lamp (70) goes out.
2. A smart sensitive lighting control circuit according to claim 1 wherein the microcontroller circuit (10) comprises a microcontroller U1, a first resistor R1, a first capacitor C1, a second capacitor C2;
the first end of the first resistor R1 is connected with a power supply terminal VDD, and the second end of the first resistor R1 is grounded through the second capacitor C2; a first pin VDD of the microcontroller U1 is connected to the power supply terminal VDD, a second pin PA6 of the microcontroller U1 is connected to the photoresistor discharge circuit (40), a third pin PA5 of the microcontroller U1 is connected to the reference resistor discharge circuit (50), a fourth pin PA7 of the microcontroller U1 is connected to a connection point of a second end of the first resistor R1 and the second capacitor C2, a fifth pin PA2 of the microcontroller U1 is connected to the LED switch circuit (60), a seventh pin PA0 of the microcontroller U1 is connected to the charging circuit (20), and an eighth pin VSS of the microcontroller U1 is grounded; the first capacitor C1 is connected between the first pin VDD and the eighth pin VSS of the controller U1.
3. The intelligent photosensitive lighting control circuit according to claim 2, wherein the microcontroller U1 is of model number HT48R002-SOP 8.
4. The intelligent sensitive lighting control circuit according to claim 1, wherein the charging circuit (20) comprises a second resistor R2.
5. The intelligent sensitive lighting control circuit according to claim 1, wherein the photoresistor discharge circuit (40) comprises a photoresistor R4.
6. The intelligent sensitive lighting control circuit according to claim 2, wherein the reference resistance discharge circuit (50) comprises a reference resistance R3.
7. The intelligent sensitive lighting control circuit according to claim 2, wherein the tank circuit (30) comprises a third capacitor C3.
8. The intelligent sensitive lighting control circuit according to claim 1, wherein the LED switch circuit (60) comprises a switch tube Q1, a fifth resistor R5, a sixth resistor R6;
the emitter of the switch tube Q1 is connected with a power supply terminal VDD, the collector of the switch tube Q1 is grounded through the LED lamp (70), the base of the switch tube Q1 is connected with the microcontroller circuit (10) through the sixth resistor R6, and the fifth resistor R5 is connected between the base and the emitter of the switch tube Q1.
9. A photosensitive device comprising the intelligent photosensitive illumination control circuit according to any one of claims 1 to 8.
10. An illumination lamp comprising the photosensitive device according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021151546.4U CN212305716U (en) | 2020-06-19 | 2020-06-19 | Intelligent photosensitive illumination control circuit, photosensitive device and illuminating lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021151546.4U CN212305716U (en) | 2020-06-19 | 2020-06-19 | Intelligent photosensitive illumination control circuit, photosensitive device and illuminating lamp |
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| Publication Number | Publication Date |
|---|---|
| CN212305716U true CN212305716U (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021151546.4U Active CN212305716U (en) | 2020-06-19 | 2020-06-19 | Intelligent photosensitive illumination control circuit, photosensitive device and illuminating lamp |
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| Country | Link |
|---|---|
| CN (1) | CN212305716U (en) |
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- 2020-06-19 CN CN202021151546.4U patent/CN212305716U/en active Active
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