CN204887556U - LED circulation scintillation circuit - Google Patents
LED circulation scintillation circuit Download PDFInfo
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- CN204887556U CN204887556U CN201520504416.7U CN201520504416U CN204887556U CN 204887556 U CN204887556 U CN 204887556U CN 201520504416 U CN201520504416 U CN 201520504416U CN 204887556 U CN204887556 U CN 204887556U
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- triode
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- emitting diode
- electric capacity
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Abstract
The utility model discloses a LED circulation scintillation circuit, including resistance R1, electric capacity C1, group battery E, triode VT1, emitting diode D1 and emitting diode D2, the anodal connecting resistance R1 respectively of group battery E, emitting diode D1 is anodal, resistance R3, emitting diode D2 is anodal, resistance R5 and emitting diode D3 are anodal, electric capacity C1 and triode VT1 base are connected respectively to the resistance R1 other end, triode VT1 collecting electrode is connecting resistance R2 and electric capacity C2 respectively, the emitting diode D1 negative pole is connected to the resistance R2 other end, the electric capacity C2 other end is the connecting resistance R3 other end and triode VT2 base respectively, triode VT2 base is connecting resistance R4 and electric capacity C3 respectively, the emitting diode D2 negative pole is connected to the resistance R4 other end. The utility model discloses LED circulation scintillation circuit does not adopt any chip element, and circuit structure is simple, and is with low costs, small, and stability is high, especially adapted using widely.
Description
Technical field
The utility model relates to a kind of LED, specifically a kind of LED circulation flashing circuit.
Background technology
LED circulation glimmers the present scope of application widely, the instrument in a lot of place as a kind of heighten atmosphere, but existing a lot of LED circulation flashing circuit all adopts special chip to control, and price is higher.
Utility model content
The purpose of this utility model is the LED circulation flashing circuit providing a kind of low cost, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of LED circulation flashing circuit, comprise resistance R1, electric capacity C1, battery pack E, triode VT1, light-emitting diode D1 and light-emitting diode D2, described battery pack E positive pole is contact resistance R1 respectively, light-emitting diode D1 positive pole, resistance R3, light-emitting diode D2 positive pole, resistance R5 and light-emitting diode D3 positive pole, the resistance R1 other end connects electric capacity C1 and triode VT1 base stage respectively, triode VT1 collector electrode is contact resistance R2 and electric capacity C2 respectively, resistance R2 other end connecting luminous diode D1 negative pole, the described electric capacity C2 other end is the contact resistance R3 other end and triode VT2 base stage respectively, triode VT2 base is contact resistance R4 and electric capacity C3 respectively, resistance R4 other end connecting luminous diode D2 negative pole, the described electric capacity C3 other end is the contact resistance R5 other end and triode VT3 base stage respectively, triode VT3 collector electrode connects the electric capacity C1 other end and resistance R6 respectively, resistance R6 other end connecting luminous diode D3 negative pole, described battery pack E negative pole is connecting triode VT1 emitter respectively, triode VT2 emitter and triode VT3 emitter.
As further program of the utility model: described light-emitting diode D1 is red diodes.
As further program of the utility model: described light-emitting diode D2 is green diode.
As further program of the utility model: described light-emitting diode D3 is gold-tinted diode.
As further program of the utility model: described battery pack E voltage is 6V.
As the utility model further scheme: described triode VT1, triode VT2 and triode VT3 adopt dissimilar triode.
Compared with prior art, the beneficial effects of the utility model are: the utility model LED circulation flashing circuit does not adopt any chip component, and circuit structure is simple, and cost is low, and volume is little, and stability is high, is applicable to very much promoting the use of.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of LED circulation flashing circuit.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, in the utility model embodiment, a kind of LED circulation flashing circuit, comprise resistance R1, electric capacity C1, battery pack E, triode VT1, light-emitting diode D1 and light-emitting diode D2, described battery pack E positive pole is contact resistance R1 respectively, light-emitting diode D1 positive pole, resistance R3, light-emitting diode D2 positive pole, resistance R5 and light-emitting diode D3 positive pole, the resistance R1 other end connects electric capacity C1 and triode VT1 base stage respectively, triode VT1 collector electrode is contact resistance R2 and electric capacity C2 respectively, resistance R2 other end connecting luminous diode D1 negative pole, the described electric capacity C2 other end is the contact resistance R3 other end and triode VT2 base stage respectively, triode VT2 base is contact resistance R4 and electric capacity C3 respectively, resistance R4 other end connecting luminous diode D2 negative pole, the described electric capacity C3 other end is the contact resistance R5 other end and triode VT3 base stage respectively, triode VT3 collector electrode connects the electric capacity C1 other end and resistance R6 respectively, resistance R6 other end connecting luminous diode D3 negative pole, described battery pack E negative pole is connecting triode VT1 emitter respectively, triode VT2 emitter and triode VT3 emitter.
Light-emitting diode D1 is red diodes.
Light-emitting diode D2 is green diode.
Light-emitting diode D3 is gold-tinted diode.
Battery pack E voltage is 6V.
Triode VT1, triode VT2 and triode VT3 adopt dissimilar triode.
Operation principle of the present utility model is: refer to Fig. 1, because triode VT1 ~ VT3 adopts dissimilar triode, the parameter property of there are differences, impossible conducting simultaneously, suppose the first conducting of VT1 triode, D1 is luminous, R2 is current-limiting resistance, the characteristic that electric capacity C2 voltage can not suddenly change, VT2 base voltage is caused to be now 0, VT1 conducting this moment electric capacity is equivalent to shorted to earth, VT2 base voltage is 0, VT2 ends, D2 does not work, due to VT2 cut-off, VT3 base voltage raises, VT3 conducting, D3 is luminous, only have now D1 and D3 luminous, along with passage of time, electric capacity C2 is charged after voltage rise is more than 0.7V by R3, VT2 conducting, D2 is luminous, VT3 base voltage drags down due to VT2 conducting, VT3 ends, D3 extinguishes, then electric capacity C3 is charged by resistance R5, voltage is elevated to 0.7V, VT3 conducting, D3 is luminous, VT1 ends due to VT3 conducting, this circuit this according to this cyclic process, light-emitting diode is lighted one by one.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification is described according to execution mode, but not each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technical scheme in each embodiment also through appropriately combined, can form other execution modes that it will be appreciated by those skilled in the art that.
Claims (6)
1. a LED circulation flashing circuit, comprise resistance R1, electric capacity C1, battery pack E, triode VT1, light-emitting diode D1 and light-emitting diode D2, it is characterized in that, described battery pack E positive pole is contact resistance R1 respectively, light-emitting diode D1 positive pole, resistance R3, light-emitting diode D2 positive pole, resistance R5 and light-emitting diode D3 positive pole, the resistance R1 other end connects electric capacity C1 and triode VT1 base stage respectively, triode VT1 collector electrode is contact resistance R2 and electric capacity C2 respectively, resistance R2 other end connecting luminous diode D1 negative pole, the described electric capacity C2 other end is the contact resistance R3 other end and triode VT2 base stage respectively, triode VT2 base is contact resistance R4 and electric capacity C3 respectively, resistance R4 other end connecting luminous diode D2 negative pole, the described electric capacity C3 other end is the contact resistance R5 other end and triode VT3 base stage respectively, triode VT3 collector electrode connects the electric capacity C1 other end and resistance R6 respectively, resistance R6 other end connecting luminous diode D3 negative pole, described battery pack E negative pole is connecting triode VT1 emitter respectively, triode VT2 emitter and triode VT3 emitter.
2. LED circulation flashing circuit according to claim 1, is characterized in that, described light-emitting diode D1 is red diodes.
3. LED circulation flashing circuit according to claim 1, is characterized in that, described light-emitting diode D2 is green diode.
4. LED circulation flashing circuit according to claim 1, is characterized in that, described light-emitting diode D3 is gold-tinted diode.
5. LED circulation flashing circuit according to claim 1, is characterized in that, described battery pack E voltage is 6V.
6. LED circulation flashing circuit according to claim 1, is characterized in that, described triode VT1, triode VT2 and triode VT3 adopt dissimilar triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520504416.7U CN204887556U (en) | 2015-07-13 | 2015-07-13 | LED circulation scintillation circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520504416.7U CN204887556U (en) | 2015-07-13 | 2015-07-13 | LED circulation scintillation circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204887556U true CN204887556U (en) | 2015-12-16 |
Family
ID=54831873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520504416.7U Expired - Fee Related CN204887556U (en) | 2015-07-13 | 2015-07-13 | LED circulation scintillation circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204887556U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106343652A (en) * | 2016-09-30 | 2017-01-25 | 广西大学 | Children's shoes flickering alternatively |
-
2015
- 2015-07-13 CN CN201520504416.7U patent/CN204887556U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106343652A (en) * | 2016-09-30 | 2017-01-25 | 广西大学 | Children's shoes flickering alternatively |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20160713 |