CN204465055U - Indicator light change-over circuit is full of without postponing charging - Google Patents
Indicator light change-over circuit is full of without postponing charging Download PDFInfo
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- CN204465055U CN204465055U CN201520100453.1U CN201520100453U CN204465055U CN 204465055 U CN204465055 U CN 204465055U CN 201520100453 U CN201520100453 U CN 201520100453U CN 204465055 U CN204465055 U CN 204465055U
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- 230000000087 stabilizing effect Effects 0.000 claims abstract description 27
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 239000003381 stabilizer Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of nothing delay charging and be full of indicator light change-over circuit, comprise charging circuit, positive-negative-positive switching circuit, the 4th current-limiting resistance, three-terminal voltage-stabilizing pipe; Charging circuit comprises the first current-limiting resistance, the first diode, fuse, the second current-limiting resistance, the 3rd current-limiting resistance; First current-limiting resistance, the first diode, fuse connect and ground connection successively, also connect the second current-limiting resistance and the 3rd current-limiting resistance successively, the 3rd current-limiting resistance ground connection between the first current-limiting resistance and the first diode; Positive-negative-positive switching circuit comprises the second diode, triode, the 7th current-limiting resistance, the first voltage stabilizing didoe, the 5th current-limiting resistance, LED red light, the second voltage stabilizing didoe, the 6th current-limiting resistance, LED green light; Second diode one end is connected to the second current-limiting resistance front end, and the other end is connected with the emitter of triode; The utility model can solve the technical problem of the conversion how synchronously realizing traffic lights.
Description
Technical field
The utility model relates to a kind of LED light change-over circuit.
Background technology
In traditional emergency light charging circuit, be only designed to the when red that charges, after being full of, red light extinguishes green light.In the electronic circuit of not choice for use comparator, voltage-stabiliser tube is usually used to carry out control design case.Though be that cost is minimum, but due to the difference by the error of voltage-stabiliser tube, the impact of external environment and transistor parameter, often cause red light and green light to be changed and occur very large change.Such as: some is long-term charging, and storage battery is full of, but or when red, and can not green light be converted to.Some is the shortly bright green light of just charging, and storage battery itself is not full of electricity in fact.Also some is exactly that red light green light is simultaneously bright.
Summary of the invention
The purpose of this utility model is to provide a kind of nothing delay charging and is full of indicator light change-over circuit, solves the technical problem how synchronously realizing the conversion of traffic lights.
Being full of indicator light change-over circuit without postponing charging, comprising charging circuit, positive-negative-positive switching circuit, the 4th current-limiting resistance, three-terminal voltage-stabilizing pipe; Charging circuit comprises the first current-limiting resistance, the first diode, fuse, the second current-limiting resistance, the 3rd current-limiting resistance; First current-limiting resistance, the first diode, fuse connect and ground connection successively, also connect the second current-limiting resistance and the 3rd current-limiting resistance successively, the 3rd current-limiting resistance ground connection between the first current-limiting resistance and the first diode; Positive-negative-positive switching circuit comprises the second diode, triode, the 7th current-limiting resistance, the first voltage stabilizing didoe, the 5th current-limiting resistance, LED red light, the second voltage stabilizing didoe, the 6th current-limiting resistance, LED green light; Second diode one end is connected to the second current-limiting resistance front end, and the other end is connected with the emitter of triode; The base stage of triode is connected with the 7th current-limiting resistance, the first voltage stabilizing didoe, the 5th current-limiting resistance, LED red light respectively, above-mentioned LED red light ground connection; The collector electrode of triode connects the second voltage stabilizing didoe, the 6th current-limiting resistance, LED green light successively, above-mentioned LED green light ground connection; Described 4th current-limiting resistance one end is connected between the first current-limiting resistance and the second diode, and the other end is connected to the 7th current-limiting resistance front end; Three-terminal voltage-stabilizing pipe first end is connected to the 7th current-limiting resistance front end, and the second end is connected between the second current-limiting resistance and the 3rd current-limiting resistance, the 3rd end ground connection.
The beneficial effects of the utility model are: owing to employing one-level positive-negative-positive switching circuit to control the light on and off of green light and red light, thus achieve synchronous, and the error of voltage stabilizing didoe or the impact of transistor parameter difference can not be subject to, and cause the conversion of incuring loss through delay two lamp.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of indicator light change-over circuit in embodiment;
In figure, 11. first current-limiting resistances, 12. second current-limiting resistances, 13. the 3rd current-limiting resistances, 14. the 4th current-limiting resistances, 15. the 5th current-limiting resistances, 16. the 6th current-limiting resistances, 17. the 7th current-limiting resistances, 21. first diodes, 22. second diodes, 31. first voltage stabilizing didoes, 32. second voltage stabilizing didoes, 4. fuse, 5. storage battery, 6. triode, 71.LED red light, 72.LED green light, 8. three-terminal voltage-stabilizing pipe.
Embodiment
Please refer to Fig. 1, the nothing in figure postpones charging and is full of indicator light change-over circuit, comprises a charging circuit, a positive-negative-positive switching circuit, the 4th current-limiting resistance 14, three-terminal voltage-stabilizing pipe 8.Charging circuit is used for accumulators 5 and charges, and positive-negative-positive switching circuit is used for the switching of traffic lights, and the 4th current-limiting resistance 14 is for voltage stabilizing current limliting, and three-terminal voltage-stabilizing pipe 8 is for as an a reference source.
Charging circuit in figure is conventional circuit, and it comprises first current-limiting resistance 11, first diode 21, fuse 4, second current-limiting resistance 12, the 3rd current-limiting resistance 13; The alternating voltage of six volts is communicated with the output of the first current-limiting resistance 11 input and the 3rd current-limiting resistance 13.First current-limiting resistance 11, first diode 21, fuse 4, storage battery 5 connect and ground connection successively, and such accumulators 5 charges.The second current-limiting resistance 12 and the 3rd current-limiting resistance the 13, three current-limiting resistance 13 grounding connection is also connected successively between the first current-limiting resistance 11 and the first diode 21.
Positive-negative-positive switching circuit comprises second diode 22, triode 6, the 7th current-limiting resistance 17, first voltage stabilizing didoe 21, the 5th current-limiting resistance 15, LED red light 71, second voltage stabilizing didoe 32, the 6th current-limiting resistance 16, LED green light 72.Second diode 22 one end is connected to the input of the second current-limiting resistance 12, and the other end is connected with the emitter of triode 6; The base stage of triode 6 is connected with the 7th current-limiting resistance 17, first voltage stabilizing didoe 21, the 5th current-limiting resistance 15, LED red light 71 respectively, above-mentioned LED red light 71 ground connection; The collector electrode of triode 6 connects the second voltage stabilizing didoe 32, the 6th current-limiting resistance 16, LED green light 72 successively, above-mentioned LED green light 7 ground connection; Described 4th current-limiting resistance 14 one end is connected between the first current-limiting resistance 11 and the second diode 22, and the other end is connected to the 7th current-limiting resistance 17 front end; Three-terminal voltage-stabilizing pipe 8 first end is connected to the 7th current-limiting resistance 17 front end, and the second end is connected between the second current-limiting resistance 12 and the 3rd current-limiting resistance 13, the 3rd end ground connection.
The operation principle of this circuit is: the lead-acid accumulators by the storage battery 5 charged being 4V, and its additives for overcharge protection voltage, generally designs between 4.9V-5.1V.Guarantee that storage battery is completely filled in.The positive terminal voltage of first diode 21 can be seen as: 5.7V. charging normal in situation, because battery voltage is lower.Three-terminal voltage-stabilizing pipe 8 will export high level.First voltage stabilizing didoe 31 is by completely breakdown and light LED red light 71.Now, the current potential of the first voltage stabilizing didoe 31 negative terminal is identical with the E limit position of triode 6 and emitter.Triode 6 ends.LED green light 72 can not be lit, and only when being supplemented with money 4.9V-5.1V by the battery voltage of charging, three-terminal voltage-stabilizing pipe 8 ends.Now the current potential of the first voltage stabilizing didoe 21 negative terminal has about 1.8V.Because not puncturing the first voltage stabilizing didoe 21, and LED red light 71 extinguishes completely.So triode 6 is because B electrode potential and base stage are lower than E electrode potential and emitter current potential, and triode 6 is by conducting immediately.LED green light 72 is lighted after second voltage stabilizing didoe 22 is punctured completely.First voltage stabilizing didoe 21 and the second voltage stabilizing didoe 22 is only the effect playing isolation in circuit.And the first voltage stabilizing didoe 21 and the second voltage stabilizing didoe 22 are with reference to identical.Circuitry cost is low, working stability, and two lamp conversion in time.A more novel two lamp change-over circuits.
Claims (1)
1. be full of indicator light change-over circuit without delay charging, it is characterized in that: comprise charging circuit, positive-negative-positive switching circuit, the 4th current-limiting resistance, three-terminal voltage-stabilizing pipe; Charging circuit comprises the first current-limiting resistance, the first diode, fuse, the second current-limiting resistance, the 3rd current-limiting resistance; First current-limiting resistance, the first diode, fuse connect and ground connection successively, also connect the second current-limiting resistance and the 3rd current-limiting resistance successively, the 3rd current-limiting resistance ground connection between the first current-limiting resistance and the first diode; Positive-negative-positive switching circuit comprises the second diode, triode, the 7th current-limiting resistance, the first voltage stabilizing didoe, the 5th current-limiting resistance, LED red light, the second voltage stabilizing didoe, the 6th current-limiting resistance, LED green light; Second diode one end is connected to the second current-limiting resistance front end, and the other end is connected with the emitter of triode; The base stage of triode is connected with the 7th current-limiting resistance, the first voltage stabilizing didoe, the 5th current-limiting resistance, LED red light respectively, above-mentioned LED red light ground connection; The collector electrode of triode connects the second voltage stabilizing didoe, the 6th current-limiting resistance, LED green light successively, above-mentioned LED green light ground connection; Described 4th current-limiting resistance one end is connected between the first current-limiting resistance and the second diode, and the other end is connected to the 7th current-limiting resistance front end; Three-terminal voltage-stabilizing pipe first end is connected to the 7th current-limiting resistance front end, and the second end is connected between the second current-limiting resistance and the 3rd current-limiting resistance, the 3rd end ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520100453.1U CN204465055U (en) | 2015-02-12 | 2015-02-12 | Indicator light change-over circuit is full of without postponing charging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520100453.1U CN204465055U (en) | 2015-02-12 | 2015-02-12 | Indicator light change-over circuit is full of without postponing charging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204465055U true CN204465055U (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520100453.1U Expired - Fee Related CN204465055U (en) | 2015-02-12 | 2015-02-12 | Indicator light change-over circuit is full of without postponing charging |
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| CN (1) | CN204465055U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114123390A (en) * | 2021-11-11 | 2022-03-01 | 广东力科新能源有限公司 | Detection apparatus for charging circuit |
-
2015
- 2015-02-12 CN CN201520100453.1U patent/CN204465055U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114123390A (en) * | 2021-11-11 | 2022-03-01 | 广东力科新能源有限公司 | Detection apparatus for charging circuit |
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| 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: 20150708 |