CN209517561U - A kind of LED lamp with light control functionality - Google Patents
A kind of LED lamp with light control functionality Download PDFInfo
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- CN209517561U CN209517561U CN201821576853.XU CN201821576853U CN209517561U CN 209517561 U CN209517561 U CN 209517561U CN 201821576853 U CN201821576853 U CN 201821576853U CN 209517561 U CN209517561 U CN 209517561U
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- led lamp
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- microcontroller
- lamp bead
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Abstract
The utility model discloses a kind of LED lamps with light control functionality, it includes that a LED lamp bead loads, mains AC is rectified into the driving circuit and a light-operated control circuit that direct current supplies the rectification circuit of the LED lamp bead load, a driving LED lamp bead loaded work piece by one, extraneous light intensity is simultaneously converted to electric signal by the light-operated control circuit detection extraneous light intensity, a high level signal is exported to driving circuit when the electric signal numerical value is higher than setting value, the driving circuit output drive signal, LED lamp are lit；A low level signal is exported when the electric signal numerical value is lower than setting value to driving circuit, the driving circuit extinguishes without output, LED lamp.The above-mentioned LED lamp with light control functionality can control the light on and off switching of the LED lamp according to the intensity of extraneous light, realize light control functionality, so that the LED lamp automatic distinguishing on daytime, automatic at night bright, enhance the intelligence of LED lamp and save electric energy.
Description
Technical field
The utility model relates to technical field of LED illumination, and in particular to a kind of LED lamp with light control functionality.
Background technique
LED illumination lamp has obtained wide because of the advantages of its brightness is high, power is small, long service life in today's society
The popularization and application of general ground.Current LED illumination lamp does not have light control functionality, and LED illumination lamp is all protected always on daytime and night
Lighting lamp state is held, the significant wastage of electric energy is caused.Based on the above situation, it is necessary to which research and development have always the LED of light control functionality
Lamps and lanterns can control the light on and off of the LED lamp according to the intensity of extraneous light, so that the LED lamp automatic distinguishing on daytime, evening
It is upper automatic bright, enhance the intelligence of LED lamp and saves electric energy.
Summary of the invention
The technical problem to be solved by the utility model is to provide a kind of LED lamp with light control functionality, the LED light
Tool can control the light on and off of the LED lamp according to the intensity of extraneous light.
In order to solve the above technical problems, the utility model uses technical solution as described below:
A kind of LED lamp with light control functionality comprising there is LED lamp bead load, one to be rectified into mains AC
Direct current supplies the driving circuit and a light of the rectification circuit of the LED lamp bead load, a driving LED lamp bead loaded work piece
Control control circuit, the light-operated control circuit detection extraneous light intensity and according to testing result one control signal control institute of output
The output of driving circuit is stated, to control the light on and off of the LED lamp bead load.
Preferably, the light-operated control circuit includes microcontroller U1, resistance R5, resistance 6 and photodiode D1, institute
3 feet for stating microcontroller U1 pass sequentially through resistance R5, resistance 6 and photodiode D1 with being connected to, and the 1 of the microcontroller U1
Foot detects the voltage of the intermediate node of the resistance R5 and resistance 6, and the microcontroller U1 is according to one control of voltage value control output
Signal processed gives the driving circuit, to control the output of the driving circuit.
Preferably, the light-operated control circuit further includes the capacitor C2 and capacitor C3 having for circuit filtering, the capacitor
C2 is connected between 1 foot and ground of the microcontroller U1, and the one end the capacitor C3 is connected between the resistance R5 and resistance 6
Node, other end ground connection.
Preferably, the driving circuit includes metal-oxide-semiconductor Q1, the drain electrode of metal-oxide-semiconductor Q1 and bearing for LED lamp bead load
The positive terminal of extreme connection, LED lamp bead load is connected to the cathode output end of the rectification circuit, the source of the metal-oxide-semiconductor Q1
Pole ground connection, the grid of the metal-oxide-semiconductor Q1 are connect with 8 feet of the microcontroller U1.
Preferably, the driving circuit further includes having resistance R3, and resistance R3 is connected to the source electrode and ground of the metal-oxide-semiconductor Q1
Between, the node between the source electrode and resistance R3 of the metal-oxide-semiconductor Q1 is connected to 6 feet of the microcontroller U1, the microcontroller
The 6 foot outputs level signals of U1 control the electric current of the LED lamp bead load.
Preferably, the LED lamp bead load includes the multiple LED lamp beads being sequentially connected in series.
Preferably, the number of the LED lamp bead is 15.
Preferably, the rectification circuit further includes having a fuse and a rectifier bridge, and the rectifier bridge passes through the fuse
It is electrically connected with mains.
The advantageous effects of the utility model are: the above-mentioned LED lamp with light control functionality, light-operated control circuit
Extraneous light intensity is simultaneously converted to electric signal by detection extraneous light intensity, exports one when the electric signal numerical value is higher than setting value
High level signal is lit to driving circuit, the driving circuit output drive signal, LED lamp；When the electric signal numerical value is low
A low level signal is exported when setting value to driving circuit, the driving circuit extinguishes without output, LED lamp.It is above-mentioned to have
The LED lamp of light control functionality can control the light on and off switching of the LED lamp according to the intensity of extraneous light, realize light-operated
Function enhances the intelligence of LED lamp and saves electric energy so that the LED lamp automatic distinguishing on daytime, automatic at night bright.
Detailed description of the invention
Fig. 1 is the circuit diagram of the LED lamp with light control functionality in one embodiment of the utility model.
Specific embodiment
To make those skilled in the art that the purpose of this utility model, technical solution and excellent be more clearly understood
Point is further elaborated the utility model below in conjunction with drawings and examples.
As shown in Figure 1, the LED lamp with light control functionality includes a LED in one embodiment of the utility model
Lamp bead loads 20, one and mains AC is rectified into the driving of rectification circuit 10, one that direct current supplies the LED lamp bead load 20
The driving circuit 30 and a light-operated control circuit 40 of 20 work of LED lamp bead load, the light-operated control circuit 40 detects outer
Portion's light intensity and according to testing result output one control the output that signal controls the driving circuit 30, to control the LED
The light on and off of lamp bead load 20.
The rectification circuit 10 includes a fuse F1 and a rectifier bridge, and the rectifier bridge passes through the city fuse Fa Yu
Electricity exchange electrical connection, for being exported after mains AC is converted to direct current.
LED lamp bead load 20 includes the multiple LED lamp beads being sequentially connected in series, in the present embodiment, the LED lamp bead
Number is preferably 15.
The light-operated control circuit 40 includes microcontroller U1, resistance R5, resistance 6, capacitor C2, capacitor C3 and photosensitive two
The output head anode of pole pipe D1, the rectification circuit 10 are connect by resistance R1 with 2 feet of the microcontroller U1, are described micro-
Controller U1 power supply, 5 feet of the microcontroller U1 and 7 feet ground connection.3 feet of the microcontroller U1 pass sequentially through resistance R5,
Resistance 6 and photodiode D1 are connected to ground, and 1 foot of the microcontroller U1 detects the intermediate node of the resistance R5 and resistance 6
Voltage, when the voltage that 1 foot of the microcontroller U1 detects be higher than setting value when, microcontroller U1 output one control signal
It drives the driving circuit 30 to work, lights the LED lamp bead load 20.The light-operated control circuit 40 further includes having for electricity
The capacitor C2 and capacitor C3 of road filtering, the capacitor C2 are connected between 1 foot and ground of the microcontroller U1, the capacitor C3
One end is connected to the intermediate node of the resistance R5 and resistance 6, other end ground connection.
The driving circuit includes metal-oxide-semiconductor Q1 and resistance R3, drain electrode and the LED lamp bead load of metal-oxide-semiconductor Q1
The positive terminal of negative pole end connection, LED lamp bead load is connected to the cathode output end of the rectification circuit, the metal-oxide-semiconductor Q1's
Source electrode is grounded by resistance R3, and the node between the source electrode and resistance R3 of the metal-oxide-semiconductor Q1 is connected to the 6 of the microcontroller U1
Foot, the grid of the metal-oxide-semiconductor Q1 are connect with 8 feet of the microcontroller U1.Control of the metal-oxide-semiconductor Q1 in the microcontroller U1
It is turned on/off under system, realizes the light on and off switching of LED lamp.The 6 foot outputs level signals of the microcontroller U1 are to the MOS
Node between the source electrode and resistance R3 of pipe Q1, control flow through the size of current of the LED lamp bead load, realize LED lamp
Brightness control.
The working principle of the utility model embodiment is as follows:
Photodiode D1 shows different resistances under varying strength illumination, when 3 feet of microcontroller U1 are defeated
Out when fixed voltage VO, the 1 foot voltage of microcontroller U1 is (R6+R light R6+R light+R5) * V0, R light representations photodiode
The resistance of D1, according to formula it is found that working as resistance R5, after resistance R6 resistance value is fixed, the 1 foot voltage of microcontroller U1 can be with
The variation of the resistance value R light of photodiode D1 and change.When daytime, light was stronger, photodiode D1 is in low-resistance shape
State, when the 1 foot voltage of microcontroller U1 is lower than setting value, 6 human hair combing wastes of microcontroller U1 go out signal shutdown metal-oxide-semiconductor Q1, LED light
Tool extinguishes.When arriving at night, ambient is dimmed, and photodiode D1 is in high-impedance state, when the 1 foot voltage of microcontroller U1 is high
When setting value, 6 human hair combing wastes of microcontroller U1 go out signal and open metal-oxide-semiconductor Q1, and LED lamp is lit.Adjusting illumination impinges upon photosensitive
Diode intensity, causes the bright of photodiode change in resistance conversion voltage signal control LED and does not work.Thus it can achieve
Light-operated purpose
The above is only the preferred embodiment of the present invention, rather than does limit in any form to the utility model
System.Those skilled in the art can impose various equivalent changes and improvement on the basis of the above embodiments, all to want in right
The equivalent variations or modification done in range are sought, should fall within the protection scope of this utility model.
Claims (7)
1. a kind of LED lamp with light control functionality, it is characterised in that: include LED lamp bead load, one by mains AC
It is rectified into the driving circuit that direct current supplies the rectification circuit of the LED lamp bead load, a driving LED lamp bead loaded work piece
With a light-operated control circuit, the light-operated control circuit includes microcontroller U1, resistance R5, resistance R6 and photodiode
D1,3 feet of the microcontroller U1 pass sequentially through resistance R5, resistance R6 and photodiode D1 and are connected to ground, the microcontroller
1 foot of device U1 detects the voltage of the intermediate node of the resistance R5 and resistance R6, and the microcontroller U1 is controlled according to the voltage value
A control signal is exported to the driving circuit, the driving circuit controls the LED lamp bead according to the control signal and loads
Light on and off.
2. having the LED lamp of light control functionality as described in claim 1, it is characterised in that: the light-operated control circuit is also wrapped
The capacitor C2 and capacitor C3 for circuit filtering are included, the capacitor C2 is connected between 1 foot and ground of the microcontroller U1,
The one end the capacitor C3 is connected to the intermediate node of the resistance R5 and resistance 6, other end ground connection.
3. having the LED lamp of light control functionality as claimed in claim 2, it is characterised in that: the driving circuit includes MOS
The negative pole end that the drain electrode of pipe Q1, metal-oxide-semiconductor Q1 are loaded with the LED lamp bead is connect, and the positive terminal of LED lamp bead load is connected to
The cathode output end of the rectification circuit, the source electrode ground connection of the metal-oxide-semiconductor Q1, the grid of the metal-oxide-semiconductor Q1 and the microcontroller
8 feet of device U1 connect.
4. having the LED lamp of light control functionality as claimed in claim 3, it is characterised in that: the driving circuit further includes having
Resistance R3, resistance R3 are connected between the source electrode and ground of the metal-oxide-semiconductor Q1, between the source electrode and resistance R3 of the metal-oxide-semiconductor Q1
Node be connected to 6 feet of the microcontroller U1, the 6 foot outputs level signals of microcontroller U1 control the LED lamp bead
The electric current of load.
5. having the LED lamp of light control functionality as described in claim 1, it is characterised in that: the LED lamp bead, which loads, includes
The multiple LED lamp beads being sequentially connected in series.
6. having the LED lamp of light control functionality as claimed in claim 5, it is characterised in that: the number of the LED lamp bead is 15
It is a.
7. having the LED lamp of light control functionality as described in claim 1, it is characterised in that: the rectification circuit further includes having
One fuse and a rectifier bridge, the rectifier bridge are electrically connected by the fuse with mains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821576853.XU CN209517561U (en) | 2018-09-27 | 2018-09-27 | A kind of LED lamp with light control functionality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821576853.XU CN209517561U (en) | 2018-09-27 | 2018-09-27 | A kind of LED lamp with light control functionality |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209517561U true CN209517561U (en) | 2019-10-18 |
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ID=68186595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821576853.XU Active CN209517561U (en) | 2018-09-27 | 2018-09-27 | A kind of LED lamp with light control functionality |
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| Country | Link |
|---|---|
| CN (1) | CN209517561U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111148320A (en) * | 2020-01-14 | 2020-05-12 | 浙江阳光美加照明有限公司 | Light control circuit of LED lamp |
-
2018
- 2018-09-27 CN CN201821576853.XU patent/CN209517561U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111148320A (en) * | 2020-01-14 | 2020-05-12 | 浙江阳光美加照明有限公司 | Light control circuit of LED lamp |
| CN111148320B (en) * | 2020-01-14 | 2024-06-07 | 浙江阳光美加照明有限公司 | Light control circuit of LED lamp |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: B901 and b906, innovation Plaza, No. 2007, Pingshan Avenue, Liulian community, Pingshan street, Pingshan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Intelligent Technology Co., Ltd. Address before: 518055 Guangdong city of Shenzhen province Nanshan District Xili Street Nanshan Chi Park building A7 503-A Patentee before: Shenzhen Intelligent Technology Co., Ltd. |
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| CP02 | Change in the address of a patent holder |