CN219718530U - Automatic dimming system of LED lamp - Google Patents
Automatic dimming system of LED lamp Download PDFInfo
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- CN219718530U CN219718530U CN202320909806.7U CN202320909806U CN219718530U CN 219718530 U CN219718530 U CN 219718530U CN 202320909806 U CN202320909806 U CN 202320909806U CN 219718530 U CN219718530 U CN 219718530U
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 16
- 230000035945 sensitivity Effects 0.000 abstract description 7
- 238000005286 illumination Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses an automatic dimming system of an LED lamp, belonging to the technical field of LED illumination; comprising the following steps: the LED light source detection device comprises a light source detection module, a power supply module, an alarm module, a singlechip, a driving module and an LED, wherein the singlechip is respectively connected with the light source detection module, the power supply module, the alarm module and the driving module, the driving module is connected with the LED, the light source detection module comprises a photoresistor, an A/D conversion chip and a sliding resistor, the singlechip is connected with the A/D conversion chip, the A/D conversion chip is connected with the photoresistor and the sliding resistor, the photoresistor is added with the sliding resistor, the sensitivity of the photoresistor is changed by changing the size of the sliding resistor, and when the brightness is lower than a set value, the alarm can automatically give an alarm to prompt a user to adjust the sensitivity of the photoresistor.
Description
Technical Field
The utility model relates to an automatic dimming system of an LED lamp, and belongs to the technical field of LED illumination.
Background
The LED is used as a solid-state cold light source, is a fourth generation new light source after an incandescent lamp, a fluorescent lamp and a high-intensity discharge lamp, has the advantages of intelligence, energy conservation, environmental protection, long service life, safety, reliability and the like compared with the traditional illumination, can adaptively adjust light of the LED by utilizing a singlechip, collect external light source signals through external photoresistors, adjust the brightness of the LED according to the external brightness by the singlechip, realize adaptive light adjustment, and discloses an LED lamp with automatic light filling and color matching in the publication No. CN 207733032U. The scheme comprises an LED lamp with a wireless receiving module; the sensing wireless control device is provided with a wireless transmitting module and is in wireless connection with the LED lamp; the sensing wireless control device further includes: a control chip; the control switch is connected with the control chip; the power supply module is connected with the wireless transmitting module; a temperature detection sensor connected with the control chip; and/or a brightness detection sensor connected to the control chip, which patent suffers from the following drawbacks when in use:
the sensitivity of the photoresistor is fixed in the use process, the requirements of users on brightness are different, the light is on or dark in the day sometimes, and the use is affected.
Disclosure of Invention
The automatic dimming system for the LED lamp provided by the utility model can solve the problems in the background technology.
In order to solve the problems, the technical scheme provided by the utility model is as follows: an automatic dimming system for an LED luminaire comprising: the LED light source detection device comprises a light source detection module, a power supply module, an alarm module, a singlechip, a driving module and an LED, wherein the singlechip is respectively connected with the light source detection module, the power supply module, the alarm module and the driving module, the driving module is connected with the LED, the light source detection module comprises a photoresistor, an A/D conversion chip and a sliding resistor, the singlechip is connected with the A/D conversion chip, the A/D conversion chip is connected with the photoresistor and the sliding resistor, the singlechip is connected with a resistor, the alarm module comprises an alarm and a triode, the alarm is connected with the triode, the triode is connected with the singlechip, the driving module comprises a driving array and a diode, the driving array is connected with the power supply module, and the diode is arranged between the driving array and the power supply module;
further, the model of the singlechip is STC12C5A60S2, the model of the A/D conversion chip is ADC0832, and the model of the driving array is ULN2003;
furthermore, the model of the triode is 8550, a protection resistor is arranged between the triode and the singlechip, the emitter of the triode is connected with the alarm, the collector of the triode is connected with the protection resistor, the base of the triode is connected with the negative electrode, and the protection resistor is connected with the pin P1.6 of the singlechip;
further, the diode is a freewheeling diode and is connected with the pin 9 at the output end of the driving array;
further, the resistors are respectively connected with pins VCC, P0.0, P0.1, P0.0, P0.3, P0.4, P0.5, P0.6 and P3.018 of the singlechip.
The utility model has the beneficial effects that:
1. the sensitivity of the photoresistor is changed by changing the size of the sliding resistor;
2. when the brightness is lower than a set value, the alarm can automatically alarm to prompt, and is used for reminding a user to adjust the sensitivity of the photoresistor;
3. convenient use, simple operation, low cost, strong practical significance and wide application prospect.
Drawings
Fig. 1 is a schematic diagram of an automatic dimming system for an LED lamp according to the present utility model.
Fig. 2 is a circuit diagram of an optical signal acquisition circuit of an automatic dimming system of an LED lamp according to the present utility model.
Fig. 3 is an alarm circuit diagram of an automatic dimming system of an LED lamp according to the present utility model.
Fig. 4 is a driving circuit diagram of an automatic dimming system of an LED lamp according to the present utility model.
1. A photoresistor; 2. a power module; 3. an alarm module; 4. an A/D conversion module; 5. a single chip microcomputer; 6. a driving module; 7. an LED; 8. discharging resistance; 9. an A/D conversion chip; 10. a sliding resistor; 11. a triode; 12. an alarm; 13. driving the array; 14. a diode.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in fig. 1, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
According to the figures 1-4: the utility model provides an automatic dimming system of an LED lamp, which comprises: the light source detection module, the power supply module 2, the alarm module 3, the singlechip 5, the driving module 6 and the LED7, wherein the singlechip 5 is respectively connected with the light source detection module, the power supply module 2, the alarm module 3 and the driving module 6, the driving module 6 is connected with the LED7, the light source detection module comprises a photoresistor 1, an A/D conversion chip 9 and a sliding resistor 10, the singlechip 5 is in model number of STC12C5A60S2, the singlechip 5 is connected with the A/D conversion chip 9, the A/D conversion chip 9 is connected with the photoresistor 1 and the sliding resistor 10, the A/D conversion chip 9 is in model number of ADC0832, the singlechip 5 is connected with an arranging resistor 8, the arranging resistor 8 is respectively connected with pins VCC, P0.0, P0.1, P0.0, P0.3, P0.4, P0.5, P0.6 and P3.018 of the alarm module 3 comprises an alarm 12 and a triode 11, the alarm 12 is connected with the triode 11, the triode 11 is connected with the singlechip 5, the model of the triode 11 is 8550, a protection resistor is arranged between the triode 11 and the singlechip 5, an emitter of the triode 11 is connected with the alarm 12, a collector of the triode 11 is connected with the protection resistor, a base electrode of the triode 11 is connected with a cathode, the protection resistor is connected with a pin P1.6 of the singlechip 5, the driving module 6 comprises a driving array 13 and a diode 14, the driving array 13 is connected with the power module 2, a diode 14 is arranged between the driving array 13 and the power module 2, the model of the driving array 13 is ULN2003, the diode 14 is a freewheeling diode 14, the diode 14 is connected with an output pin 9 of the driving array 13, and the diode 14 is used for protecting the driving array 13 and forms a freewheeling circuit.
The principle of the utility model is as follows: when the intelligent light-dimming device is used, the photoresistor 1 detects brightness and transmits a brightness signal to the singlechip 5, the singlechip 5 controls the driving module 6 to control the LED7 to emit light, automatic light dimming is carried out according to the external brightness, if the lamp is considered to be on, the resistance of the sliding resistor 10 is adjusted to be larger, the sensitivity of the photoresistor 1 is reduced, the lamp can be turned on again when the day is dark, the lamp is dark, the resistance of the sliding resistor 10 is reduced, and when the brightness is lower than a set value, the alarm 12 can automatically give an alarm to prompt a user to adjust the sensitivity of the photoresistor 1, so that automatic light dimming is realized.
The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.
Claims (5)
1. An automatic dimming system of an LED lamp is characterized in that: including light source detection module, power module (2), alarm module (3), singlechip (5), drive module (6), LED (7), singlechip (5) are connected with light source detection module, power module (2), alarm module (3), drive module (6) respectively, and drive module (6) are connected with LED (7), light source detection module includes photo resistance (1), AD conversion chip (9), sliding resistance (10), singlechip (5) are connected with AD conversion chip (9), AD conversion chip (9) are connected with photo resistance (1) and sliding resistance (10), singlechip (5) are connected with row and hinder (8), alarm module (3) include alarm (12), triode (11), alarm (12) are connected with triode (11), triode (11) are connected with singlechip (5), drive module (6) are connected with power module (2) including drive array (13), diode (14), drive array (13) are connected with drive module (13) and are set up between diode (14).
2. The automatic dimming system for an LED light fixture of claim 1, wherein: the model of the singlechip (5) is STC12C5A60S2, the model of the A/D conversion chip (9) is ADC0832, and the model of the driving array (13) is ULN2003.
3. The automatic dimming system for an LED light fixture of claim 1, wherein: the model of triode (11) is 8550, and sets up protection resistance between triode (11) and singlechip (5), triode (11) projecting pole is connected with alarm (12), and triode (11) collecting electrode is connected with protection resistance, and triode (11) base is connected with the negative pole, and protection resistance is connected with singlechip (5) pin P1.6.
4. The automatic dimming system for an LED light fixture of claim 1, wherein: the diode (14) is a freewheeling diode (14), and the diode (14) is connected with the output terminal pin 9 of the driving array (13).
5. The automatic dimming system for an LED light fixture of claim 1, wherein: the resistor-removing device (8) is respectively connected with pins VCC, P0.0, P0.1, P0.0, P0.3, P0.4, P0.5, P0.6 and P3.018 of the singlechip (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320909806.7U CN219718530U (en) | 2023-04-21 | 2023-04-21 | Automatic dimming system of LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320909806.7U CN219718530U (en) | 2023-04-21 | 2023-04-21 | Automatic dimming system of LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219718530U true CN219718530U (en) | 2023-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320909806.7U Active CN219718530U (en) | 2023-04-21 | 2023-04-21 | Automatic dimming system of LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219718530U (en) |
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2023
- 2023-04-21 CN CN202320909806.7U patent/CN219718530U/en active Active
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