CN206323608U - Light-emitting diode flash controls circuit - Google Patents
Light-emitting diode flash controls circuit Download PDFInfo
- Publication number
- CN206323608U CN206323608U CN201621403037.XU CN201621403037U CN206323608U CN 206323608 U CN206323608 U CN 206323608U CN 201621403037 U CN201621403037 U CN 201621403037U CN 206323608 U CN206323608 U CN 206323608U
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- China
- Prior art keywords
- emitting diode
- triode
- light emitting
- resistance
- resistor
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Abstract
The utility model provides light-emitting diode flash control circuit, and it includes the first triode, the second triode, wherein, 4.5V power supplys are connected with the first light emitting diode, first resistor, second resistance, second light emitting diode one end successively；The first light emitting diode other end is connected with 3rd resistor one end, colelctor electrode of the 3rd resistor other end respectively with first electric capacity one end and the first triode is connected, and the first electric capacity other end is connected after being connected with the first resistor other end with the base stage of the second triode；The second light emitting diode other end is connected with the 4th resistance one end, colelctor electrode of the 4th resistance other end respectively with second electric capacity one end and the second triode is connected, and the second electric capacity other end is connected after being connected with the second resistance other end with the base stage of the first triode.This programme has the advantages that control stabilization, using effect are good.
Description
Technical field
The utility model is related to field of LED drive technology, refers in particular to light-emitting diode flash control circuit.
Background technology
Light emitting diode is a kind of special luminescent device being made up of CMOS integrated circuits and light emitting diode, available for reporting
It is alert to indicate and under-voltage, superpressure instruction.
The content of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art to control stable, using effect good there is provided a kind of
Light-emitting diode flash controls circuit.
To achieve the above object, technical scheme provided by the utility model is：Light-emitting diode flash controls circuit, it
Include the first triode, the second triode, the first light emitting diode, the second light emitting diode, first resistor, second resistance,
Wherein, 4.5V power supplys are connected with the first light emitting diode, first resistor, second resistance, second light emitting diode one end successively；The
The one light emitting diode other end is connected with 3rd resistor one end, the 3rd resistor other end respectively with first electric capacity one end and first
The colelctor electrode of triode is connected, the first electric capacity other end be connected with the first resistor other end after base stage phase with the second triode
Connection；The second light emitting diode other end is connected with the 4th resistance one end, the 4th resistance other end respectively with second electric capacity one end
And second the colelctor electrode of triode be connected, the second electric capacity other end be connected with the second resistance other end after with the first triode
Base stage be connected.
Described the first triode, the grounded emitter of the second triode.
The utility model is after using such scheme, the first triode, the second triode alternate conduction and cut-off during vibration,
Touching makes the first light emitting diode, the second light emitting diode also alternately luminous, so as to realize the purpose of this utility model；This programme has
Have the advantages that control stabilization, using effect are good.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
Embodiment
With reference to all accompanying drawings, the utility model is described in further detail, and preferred embodiment of the present utility model is：Ginseng
See accompanying drawing 1, the light-emitting diode flash control circuit described in the present embodiment includes the first triode VT1, the second triode
VT2, the first light emitting diode D1, the second light emitting diode D2, first resistor R1, second resistance R2, wherein, 4.5V power supplys are successively
It is connected with the first light emitting diode D1, first resistor R1, second resistance R2, second light emitting diode D2 one end；First luminous two
The pole pipe D1 other ends are connected with 3rd resistor R3 one end, the 3rd resistor R3 other ends respectively with first electric capacity C1 one end and first
Triode VT1 colelctor electrode is connected, the first electric capacity C1 other ends be connected with the first resistor R1 other ends after with the second triode
VT2 base stage is connected；The second light emitting diode D2 other ends are connected with the 4th resistance R4 one end, the 4th resistance R4 other ends point
Colelctor electrode not with second electric capacity C2 one end and the second triode VT2 is connected, the second electric capacity C2 other ends and second resistance
It is connected with the first triode VT1 base stage after the connection of the R2 other ends, described the first triode VT1, the second triode VT2
Grounded emitter.The present embodiment the first triode, the second triode alternate conduction and cut-off in vibration, touching makes first luminous two
Pole pipe, the second light emitting diode are also alternately luminous, so as to realize the purpose of this utility model；The present embodiment have control it is stable,
The good advantage of using effect.
The embodiment of the above is only the preferred embodiment of the utility model, not limits reality of the present utility model with this
Apply scope, therefore the change that all shapes according to the utility model, principle are made, it all should cover in protection domain of the present utility model
It is interior.
Claims (2)
1. light-emitting diode flash controls circuit, it is characterised in that：It includes the first triode（VT1）, the second triode
（VT2）, the first light emitting diode（D1）, the second light emitting diode（D2）, first resistor（R1）, second resistance（R2）, wherein,
4.5V power supplys successively with the first light emitting diode（D1）, first resistor（R1）, second resistance（R2）, the second light emitting diode（D2）
One end is connected；First light emitting diode（D1）The other end and 3rd resistor（R3）One end is connected, 3rd resistor（R3）The other end point
Not with the first electric capacity（C1）One end and the first triode（VT1）Colelctor electrode be connected, the first electric capacity（C1）The other end and
One resistance（R1）With the second triode after other end connection（VT2）Base stage be connected；Second light emitting diode（D2）The other end
With the 4th resistance（R4）One end is connected, the 4th resistance（R4）The other end respectively with the second electric capacity（C2）One end and the second triode
（VT2）Colelctor electrode be connected, the second electric capacity（C2）The other end and second resistance（R2）With the first triode after other end connection
（VT1）Base stage be connected.
2. light-emitting diode flash according to claim 1 controls circuit, it is characterised in that：First triode（VT1）,
Two triodes（VT2）Grounded emitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621403037.XU CN206323608U (en) | 2016-12-21 | 2016-12-21 | Light-emitting diode flash controls circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621403037.XU CN206323608U (en) | 2016-12-21 | 2016-12-21 | Light-emitting diode flash controls circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206323608U true CN206323608U (en) | 2017-07-11 |
Family
ID=59258617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621403037.XU Active CN206323608U (en) | 2016-12-21 | 2016-12-21 | Light-emitting diode flash controls circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206323608U (en) |
-
2016
- 2016-12-21 CN CN201621403037.XU patent/CN206323608U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |