CN207835870U - A kind of double-colored gradual change LED light - Google Patents
A kind of double-colored gradual change LED light Download PDFInfo
- Publication number
- CN207835870U CN207835870U CN201820070223.9U CN201820070223U CN207835870U CN 207835870 U CN207835870 U CN 207835870U CN 201820070223 U CN201820070223 U CN 201820070223U CN 207835870 U CN207835870 U CN 207835870U
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- China
- Prior art keywords
- electrically connected
- led light
- positive
- resistance
- microcontroller chip
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- 230000005611 electricity Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Abstract
The utility model discloses a kind of double-colored gradual change LED light, including external control circuit and positive-negative-positive amplifying triode, the external control circuit is electrically connected with the power supply, described external control circuit is electrically connected with LED light, the external control circuit includes regulator rectifier circuit and external microcontroller chip, three resistance and a TL431 are electrically connected, the regulator rectifier circuit is electrically connected with external microcontroller chip, the external microcontroller chip is electrically connected with positive-negative-positive amplifying triode, the positive-negative-positive amplifying triode is electrically connected with LED light, the LED light is electrically connected with current-limiting resistance；The utility model is simple in structure, safe and reliable, of low cost and practicality and high efficiency, there is regulator rectifier circuit can be very good burning voltage, and use external microcontroller chip LM324 and color-grading may be implemented.
Description
Technical field
The utility model is related to electronic LED lamp technical field, specially a kind of double-colored gradual change LED light.
Background technology
LED lamp has graceful low in energy consumption, long lifespan, installation, exotic shape, dust-proof, anticreep, anticorrosion and color various
Deng being used in commercial store, Landscape Lighting, mark and indicative illumination, interior space display lighting, public place of entertainment by universal
And stage illumination, lighting, video screen and automobiles indicator lamp illumination etc. are local.
But currently, domestic most common existing LED bulb light-emitting mode is single, typically presses customer requirement and produces,
Advantage is that circuit design is simple, and cost is relatively low, production efficiency is high, the disadvantage is that have a single function, and existing LED bulb, pass through capacitance-resistance
Voltage dropping power supply is powered to LED.Light source is mostly monochromatic light, also there is double-colored or three colors, it is necessary to which different functions then needs separately to adopt
Purchase, purchase cost are high.
Utility model content
The purpose of this utility model is to provide a kind of double-colored gradual change LED light, have regulator rectifier circuit, keep voltage steady
It is fixed, amplifying triode is equipped with before LED light, the voltage that the voltage amplification that chip adapts to can be used to suitable LED light, with solution
Certainly the problems mentioned above in the background art.
To achieve the above object, the utility model provides the following technical solutions：A kind of double-colored gradual change LED light, including it is external
Control circuit and positive-negative-positive amplifying triode, the external control circuit are electrically connected with the power supply, described external control circuit with
LED light is electrically connected, and the external control circuit includes regulator rectifier circuit and external microcontroller chip, the regulator rectifier circuit
It is electrically connected with external microcontroller chip, the external microcontroller chip is electrically connected with positive-negative-positive amplifying triode, and the positive-negative-positive is put
Big triode is electrically connected with LED light, and the LED light is electrically connected with current-limiting resistance, and the external microcontroller chip includes one
Microcontroller chip, seven resistance, a capacitance and two positive-negative-positive amplifying triodes, a foot, two feet and seven feet of the microcontroller chip
It is electrically connected with capacitance and three resistance, three feet of the microcontroller chip and two resistance of power input are electrically connected.
Preferably, the regulator rectifier circuit includes TL431 and resistance, cathode and resistance R1 and the R2 electricity of the TL431
Property connection, the anode and R3 of the TL431 be electrically connected, the other end of the reference pole and resistance R2 and resistance R3 of the TL431
It is electrically connected.
Preferably, the microcontroller chip has four-operational amplifier, can set according to demand and use several operation amplifiers
Device.
Compared with prior art, the utility model has the beneficial effects that：
1, the utility model uses easy regulator rectifier circuit, can make the output of voltage stabilization, and of low cost；
2, external microcontroller chip uses LM324, the amplifier of chip LM324 operational amplifiers.There are 4 operation amplifiers
Device, we only use 2 operation amplifier circuit figures.You can use other 2 operational amplifiers, similar to establish another
Circuit.Transistor is BC547 and 220 ohm of the super bright lamplight of resistance series LED；
3, NPN type amplifying triode is used, which can put the voltage for adapting to control chip using 9012
The big voltage being suitble to LED light.
Description of the drawings
Fig. 1 is the modular structure schematic diagram of the utility model；
Fig. 2 is the external microcontroller chip schematic diagram of the utility model；
Fig. 3 is the regulator rectifier circuit schematic diagram of the utility model.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of double-colored gradual change LED light, including external control
Circuit and positive-negative-positive amplifying triode, the external control circuit are electrically connected with the power supply, described external control circuit and LED light
Be electrically connected, the external control circuit includes regulator rectifier circuit and external microcontroller chip, the regulator rectifier circuit with it is outer
Microcontroller chip electric connection is set, the external microcontroller chip is electrically connected with positive-negative-positive amplifying triode, the positive-negative-positive amplification three
Pole pipe is electrically connected with LED light, and the LED light is electrically connected with current-limiting resistance, and the external microcontroller chip includes a micro-control
Chip, seven resistance, a capacitance and two positive-negative-positive amplifying triodes, a foot, two feet and seven feet and the electricity of the microcontroller chip
Hold and three resistance are electrically connected, three feet of the microcontroller chip and two resistance of power input are electrically connected.
Specifically, the regulator rectifier circuit includes TL431 and resistance, cathode and resistance R1 and the R2 electricity of the TL431
Property connection, the anode and R3 of the TL431 be electrically connected, the other end of the reference pole and resistance R2 and resistance R3 of the TL431
It is electrically connected, it can be by the output for the voltage stabilization that power module transfers out.
Specifically, the microcontroller chip has four-operational amplifier, the model LM324 of the microcontroller chip can be according to need
Ask to set using several operational amplifiers, which is amplified using two-stage, may be implemented it is bright to secretly to the gradual change gone out, can also
Amplified using driver, realizes superbright to bright to dark to the gradual change gone out.
Operation principle：In use, LED light and external control circuit are electrically connected, then by external control circuit and electricity
Source is electrically connected, then when circuit is connected complete, is turned on the power switch at this time, circuit is initially powered up at this time, then LED light
Start from bright to secretly again to the variation for the gradual change gone out, and successively repeatedly, realize the gradual change of LED light, can also be amplified using level Four,
So that LED light is realized from superbright to bright again to secretly to the light gradient to go out, and realizes the gradual change of first LED light, since then, electricity repeatedly successively
Road function is realized.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (3)
1. a kind of double-colored gradual change LED light, including external control circuit and positive-negative-positive amplifying triode, it is characterised in that：It is described external
Control circuit is electrically connected with the power supply, and described external control circuit is electrically connected with LED light, and the external control circuit includes whole
Regulator circuit and external microcontroller chip are flowed, the regulator rectifier circuit is electrically connected with external microcontroller chip, the external micro-control
Chip and positive-negative-positive amplifying triode are electrically connected, and the positive-negative-positive amplifying triode is electrically connected with LED light, the LED light with
Current-limiting resistance is electrically connected, and the external microcontroller chip includes a microcontroller chip, seven resistance, a capacitance and two PNP
Type amplifying triode, a foot, two feet and seven feet and capacitance of the microcontroller chip and three resistance are electrically connected, the micro-control core
Three feet of piece and two resistance of power input are electrically connected.
2. a kind of double-colored gradual change LED light according to claim 1, it is characterised in that：The regulator rectifier circuit includes
TL431 and resistance, cathode and the resistance R1 and R2 of the TL431 are electrically connected, and the anode and R3 of the TL431 are electrically connected,
The reference pole of the TL431 is electrically connected with the other end of resistance R2 and resistance R3.
3. a kind of double-colored gradual change LED light according to claim 1, it is characterised in that：The microcontroller chip has four operations to put
Big device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820070223.9U CN207835870U (en) | 2018-01-16 | 2018-01-16 | A kind of double-colored gradual change LED light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820070223.9U CN207835870U (en) | 2018-01-16 | 2018-01-16 | A kind of double-colored gradual change LED light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207835870U true CN207835870U (en) | 2018-09-07 |
Family
ID=63393185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820070223.9U Expired - Fee Related CN207835870U (en) | 2018-01-16 | 2018-01-16 | A kind of double-colored gradual change LED light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207835870U (en) |
-
2018
- 2018-01-16 CN CN201820070223.9U patent/CN207835870U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180907 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |