CN207340238U - A kind of LED light control circuit - Google Patents
A kind of LED light control circuit Download PDFInfo
- Publication number
- CN207340238U CN207340238U CN201721217883.7U CN201721217883U CN207340238U CN 207340238 U CN207340238 U CN 207340238U CN 201721217883 U CN201721217883 U CN 201721217883U CN 207340238 U CN207340238 U CN 207340238U
- Authority
- CN
- China
- Prior art keywords
- circuit
- control circuit
- power supply
- supply chip
- led light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
A kind of LED light control circuit, including：Constant voltage circuit, bridge rectifier module and power supply chip U1 are equipped with the constant voltage circuit；Control circuit, the control circuit include power circuit, PWM cycle control circuit, communicating circuit；The input terminal of power circuit is connected with the output terminal of constant voltage circuit, and the input terminal of PWM cycle control circuit is connected with the output terminal of power circuit, and the input terminal of communicating circuit is connected with the output terminal of power circuit, and communicating circuit is connected with PWM cycle control circuit；Power supply chip U4 is equipped with PWM cycle control circuit, power supply chip U4 is connected with LED light, IC constant-current circuits；IC constant-current circuits, the input terminal of the IC constant-current circuits are connected with the output terminal of constant voltage circuit, and power supply chip U2 is equipped with IC constant-current circuits, and power supply chip U2 is connected with power supply chip U4, LED light；Resistance current-limiting circuit, the resistance current-limiting circuit are connected with constant voltage circuit.The state that high level is superimposed with high level is avoided in the utility model.
Description
Technical field
The utility model belongs to field of LED illumination, and in particular to a kind of LED light control circuit.
Background technology
LED lamp is with the technical characterstic such as its efficient, energy saving, safety, longevity, compact, clear light, more and more
The every field being applied in daily life, work, and the high speed development of strong pulling environmental protection and energy-conservation industry.
LED lamp bead is all monochromatic source, is generally divided into feux rouges lamp bead, green light lamp bead, blue light lamp bead；At the same time by specific proportioning
RGB fluorescent powder can made of white light lamp bead.In practical application, the lamp bead of four kinds of colors of special ratios in LED lamp
Light, specific colour temperature can be produced, meet demand in use.Each LED lamp bead is required for specific power drive, existing skill
In drive circuit in art, lack the entirety control to power, it is unordered per high level and low level between paths of LEDs circuit, easily
The high level of four paths of LEDs circuits is superimposed at the same time, causes general power excessive, and fever is big, and power consumption is big, unfavorable to LED.
In view of the above problems, the utility model is further studied.
Utility model content
In view of the shortcomings of the prior art, the utility model provides a kind of LED light control circuit, by setting in circuit
PWM cycle control module, makes the low and high level between every paths of LEDs circuit stagger in order, reduces circuit general power, improves energy
Effect.
In order to solve the above-mentioned technical problem, the utility model is addressed by following technical proposals.
A kind of LED light control circuit, including：Constant voltage circuit, bridge rectifier module and power supply core are equipped with the constant voltage circuit
Piece U1, constant voltage circuit are used for ac/dc conversion and constant pressure output；Control circuit, the control circuit include power circuit, PWM
Cycle control circuit, communicating circuit；Power supply chip U3, the input terminal and constant voltage circuit of power circuit are equipped with the power circuit
Output terminal be connected, the input terminal of the PWM cycle control circuit is connected with the output terminal of power circuit, the communicating circuit
Input terminal is connected with the output terminal of power circuit, and communicating circuit is connected with PWM cycle control circuit；The PWM cycle control
Power supply chip U4 is equipped with circuit, power supply chip U4 is connected with LED light, IC constant-current circuits；IC constant-current circuits, the IC Constant Electric Currents
The input terminal on road is connected with the output terminal of constant voltage circuit, and power supply chip U2, power supply chip U2 and electricity are equipped with IC constant-current circuits
Source chip U4, LED light are connected；Resistance current-limiting circuit, the resistance current-limiting circuit are connected with constant voltage circuit.
Preferably, the power circuit is LDO regulator circuits, the communicating circuit is IR remote control circuits, easy to use
Remote controler is remotely controlled circuit, realizes different light status.
Preferably, the power supply chip U1 is BP2519；The power supply chip U2 is BP1808；The power supply chip U3
For HT7150；The power supply chip U4 is STC15F series or PIC12F series.
In LED light control circuit of the prior art, for the unordered output of voltage of each LED lamp bead, easily occur more
The phenomenon that the high level of paths of LEDs lamp bead is superimposed at the same time, causes general power excessive, the loss to circuit is big, and energy consumption is big.
In the utility model, by setting PWM cycle control circuit in LED lamp circuit, every paths of LEDs lamp bead electricity is controlled
The output order of pressure, order output, avoids the state that high level is superimposed with high level, controls the upper of way circuit general power
Limit, improves power utilization rate；Communicating circuit is equipped with circuit at the same time, is conveniently remotely controlled.
Brief description of the drawings
Fig. 1 is the circuit module schematic diagram in the utility model.
Fig. 2 is the constant voltage circuit structure chart in the utility model.
Fig. 3 is the circuit construction of electric power figure in the utility model.
Fig. 4 is the PWM cycle controling circuit structure figure in the utility model.
Fig. 5 is the communicating circuit structure chart in the utility model.
Fig. 6 is the IC constant current circuit structure figures in the utility model.
Fig. 7 is the resistance current-limiting circuit structure chart in the utility model.
Fig. 8 is the voltage waveform view of the order output in the utility model.
Fig. 9 is the voltage waveform view of unordered output of the prior art.
Embodiment
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
See Fig. 1 and Fig. 7, a kind of LED light control circuit, including：Constant voltage circuit 1, is equipped with bridge rectifier in the constant voltage circuit 1
Module and power supply chip U1, constant voltage circuit 1 are used for ac/dc conversion and constant pressure output；Control circuit, the control circuit include
Power circuit 2, PWM cycle control circuit 5, communicating circuit 6；Power supply chip U3, the power supply electricity are equipped with the power circuit 2
The input terminal on road 2 is connected with the output terminal of constant voltage circuit 1, input terminal and the power circuit 2 of the PWM cycle control circuit 5
Output terminal is connected, and the input terminal of the communicating circuit 6 is connected with the output terminal of power circuit 2, and communicating circuit 6 and PWM cycle
Control circuit 5 is connected；Power supply chip U4 is equipped with the PWM cycle control circuit 5, power supply chip U4 and LED light 7, IC are permanent
Current circuit 3 is connected；IC constant-current circuits 3, the input terminal of the IC constant-current circuits 3 are connected with the output terminal of constant voltage circuit 1, IC Constant Electric Currents
Power supply chip U2 is equipped with road 3, power supply chip U2 is connected with power supply chip U4, LED light 7；Resistance current-limiting circuit 4, the resistance
Current-limiting circuit 4 is connected with constant voltage circuit 1.
In present embodiment, the power circuit 2 is LDO regulator circuits, and the communicating circuit 6 is IR remote control circuits.
In addition, in present embodiment, the power supply chip U1 is BP2519；The power supply chip U2 is BP1808；It is described
Power supply chip U3 is HT7150；The power supply chip U4 is STC15F series or PIC12F series.
LED light control circuit in the utility model, for controlling white lamp bead（W）, red lamp bead（R）, blue lamp bead
（B）, green lamp bead（G）The LED lamp bead of four kinds of different colours, by PWM cycle control circuit 5 therein, can make each road
The voltage order output of LED lamp bead, avoids that high level is overlapping with high level, and Fig. 8 show orderly in the utility model
The voltage waveform of output, any time all only have a high level；In contrast, Fig. 9 show of the prior art unordered defeated
The voltage waveform gone out, there are the phenomenon of high level superposition.
The above, the utility model control every paths of LEDs by setting PWM cycle control circuit in LED lamp circuit
The output order of lamp bead voltage, order output, avoids the state that high level is superimposed with high level, controls way circuit general power
The upper limit, improve power utilization rate.
The scope of protection of the utility model includes but not limited to embodiment of above, and the scope of protection of the utility model is to weigh
Subject to sharp claim, any replacement being readily apparent that to those skilled in the art that this technology is made, deformation, improvement are each fallen within
The scope of protection of the utility model.
Claims (6)
- A kind of 1. LED light control circuit, it is characterised in that including：Constant voltage circuit（1）, the constant voltage circuit（1）In be equipped with bridge rectifier module and power supply chip U1, constant voltage circuit（1）For handing over Stream/direct current conversion and constant pressure output；Control circuit, the control circuit include power circuit（2）, PWM cycle control circuit（5）, communicating circuit（6）；The electricity Source circuit（2）In be equipped with power supply chip U3, power circuit（2）Input terminal and constant voltage circuit（1）Output terminal be connected, it is described PWM cycle control circuit（5）Input terminal and power circuit（2）Output terminal be connected, the communicating circuit（6）Input terminal with Power circuit（2）Output terminal be connected, and communicating circuit（6）With PWM cycle control circuit（5）It is connected；The PWM cycle control Circuit（5）In be equipped with power supply chip U4, power supply chip U4 and LED light（7）It is connected；IC constant-current circuits（3）, the IC constant-current circuits（3）Input terminal and constant voltage circuit（1）Output terminal be connected, IC constant-current circuits （3）In be equipped with power supply chip U2, power supply chip U2 and LED light（7）It is connected；Resistance current-limiting circuit（4）, the resistance current-limiting circuit（4）With constant voltage circuit（1）It is connected.
- A kind of 2. LED light control circuit according to claim 1, it is characterised in that the power circuit（2）It is steady for LDO Volt circuit, the communicating circuit（6）For IR remote control circuits.
- 3. a kind of LED light control circuit according to claim 1, it is characterised in that the power supply chip U1 is BP2519.
- 4. a kind of LED light control circuit according to claim 1, it is characterised in that the power supply chip U2 is BP1808.
- 5. a kind of LED light control circuit according to claim 1, it is characterised in that the power supply chip U3 is HT7150.
- 6. a kind of LED light control circuit according to claim 1, it is characterised in that the power supply chip U4 is STC15F Series or PIC12F series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721217883.7U CN207340238U (en) | 2017-09-20 | 2017-09-20 | A kind of LED light control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721217883.7U CN207340238U (en) | 2017-09-20 | 2017-09-20 | A kind of LED light control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207340238U true CN207340238U (en) | 2018-05-08 |
Family
ID=62370053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721217883.7U Active CN207340238U (en) | 2017-09-20 | 2017-09-20 | A kind of LED light control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207340238U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109219188A (en) * | 2018-08-21 | 2019-01-15 | 厦门阳光恩耐照明有限公司 | A kind of RGBW driving circuit |
| CN110996454A (en) * | 2019-12-31 | 2020-04-10 | 珠海雷特科技股份有限公司 | Complementary PWM dimming method |
-
2017
- 2017-09-20 CN CN201721217883.7U patent/CN207340238U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109219188A (en) * | 2018-08-21 | 2019-01-15 | 厦门阳光恩耐照明有限公司 | A kind of RGBW driving circuit |
| CN110996454A (en) * | 2019-12-31 | 2020-04-10 | 珠海雷特科技股份有限公司 | Complementary PWM dimming method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103929852A (en) | LED lamp with light and color capable of being adjusted | |
| CN203827566U (en) | Light-and-color-adjustable LED lamp | |
| CN207340238U (en) | A kind of LED light control circuit | |
| CN206650890U (en) | A kind of tunable optical color-adjustable RGB LEDs of Alternating Current Power Supply | |
| CN205830095U (en) | A kind of LED matrix of adjustable color temperature | |
| CN204291449U (en) | A kind of LED light modulation color-temperature regulating toning colour TV road | |
| CN105025641A (en) | Light control system and method | |
| CN105737092B (en) | The two-in-one intelligent lighting seven-color LEDs of LED | |
| CN107148111A (en) | A kind of LED control circuit of multiple-channel output | |
| CN207399559U (en) | A kind of constant power output system and lighting device | |
| CN201937913U (en) | Wide voltage input LED lamp | |
| CN203027532U (en) | Constant-current and wide-voltage drive circuit for tandem light-emitting diodes | |
| CN201934991U (en) | Led lamp | |
| CN210745618U (en) | Wireless four-way LED controller capable of adjusting light randomly | |
| CN201904051U (en) | Power-saving LED (light-emitting diode) display device | |
| CN209435508U (en) | A kind of drone version light-adjusting and speed-adjusting driving power for Lamp with ceiling fan | |
| CN210536997U (en) | G4 three-color LED lamp circuit | |
| CN103960208B (en) | Solar LED underwater fish catching system | |
| CN207573674U (en) | A kind of energy-saving LED display screen power supply | |
| CN209571032U (en) | A kind of light alarm | |
| CN209571219U (en) | A kind of energy-saving LED display screen | |
| CN106856641A (en) | A kind of LED desk lamp circuit system | |
| CN203289717U (en) | LED lamp with dual drive power supply | |
| CN203072192U (en) | LED fluorescent lamp with variable color temperature and control device | |
| CN205902149U (en) | Remote circuit transmission lamps and lanterns |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |