CN204119207U - For the control electricity circuit that two kinds of level export - Google Patents
For the control electricity circuit that two kinds of level export Download PDFInfo
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- CN204119207U CN204119207U CN201420523511.7U CN201420523511U CN204119207U CN 204119207 U CN204119207 U CN 204119207U CN 201420523511 U CN201420523511 U CN 201420523511U CN 204119207 U CN204119207 U CN 204119207U
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- thyristor
- negative
- npn type
- control electricity
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- 230000005611 electricity Effects 0.000 title claims abstract description 15
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
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Abstract
The utility model discloses a kind of control electricity circuit exported for two kinds of level, comprise thyristor, resistance, power supply, electric capacity, it is characterized in that: described thyristor comprises two thyristors, one of them is NPN type thyristor, another is positive-negative-positive thyristor, the base stage of described NPN type thyristor is connected with level signal input interface, the emitter of described positive-negative-positive thyristor is connected with positive source, the collector electrode of described positive-negative-positive thyristor is connected with voltage output end mouth, the collector electrode of described NPN type thyristor is connected with the base stage of positive-negative-positive thyristor, the utility model can realize level control electricity by level signal, the demand to different voltage in circuit can be met, convenient and swift.
Description
technical field:
The utility model relates to a kind of circuit, particularly relates to a kind of control electricity circuit exported for two kinds of level.
background technology:
Along with the develop rapidly of electronic technology, in a circuit, a voltage can not meet the demands, and particularly more can not realize regular or irregular voltage request.
utility model content:
Technical problem to be solved in the utility model is: overcome the deficiencies in the prior art, provide a kind of structure simple, level control electricity can be realized by level signal, the control electricity circuit exported for two kinds of level to different voltage requirements in circuit can be met.
The technical solution of the utility model is: a kind of control electricity circuit exported for two kinds of level, comprise thyristor, resistance, power supply, electric capacity, described thyristor comprises two thyristors, one of them is NPN type thyristor, another is positive-negative-positive thyristor, the base stage of described NPN type thyristor is connected with level signal input interface, the emitter of described positive-negative-positive thyristor is connected with positive source, the collector electrode of described positive-negative-positive thyristor is connected with voltage output end mouth, and the collector electrode of described NPN type thyristor is connected with the base stage of positive-negative-positive thyristor.
Resistance is provided with, the grounded emitter of described NPN type thyristor between the base stage of described NPN type thyristor and level signal input interface.
Before the emitter of described positive-negative-positive thyristor and positive source, a ground connection branch road is set, described ground connection branch road is provided with electric capacity.
Be provided with resistance between described NPN type thyristor and positive-negative-positive thyristor, described level signal input interface is connected with single-chip microcomputer or oscillating circuit.
The beneficial effects of the utility model are:
1, the utility model can realize level control electricity by level signal, can meet the demand to different voltage in circuit, convenient and swift.
2, the utility model structure is simple, practical, and with low cost, is convenient to promote the use of.
accompanying drawing illustrates:
Fig. 1 is the circuit connection diagram of the control electricity circuit for two kinds of level outputs.
embodiment:
Embodiment: see Fig. 1.
For the control electricity circuit that two kinds of level export, comprise thyristor, resistance, power supply, electric capacity, thyristor comprises two thyristors, one of them is NPN type thyristor, another is positive-negative-positive thyristor, and the base stage of NPN type thyristor is connected with level signal input interface, and the emitter of positive-negative-positive thyristor is connected with positive source, the collector electrode of positive-negative-positive thyristor is connected with voltage output end mouth, and the collector electrode of NPN type thyristor is connected with the base stage of positive-negative-positive thyristor.
Resistance is provided with, the grounded emitter of NPN type thyristor between the base stage of NPN type thyristor and level signal input interface.
Before the emitter of positive-negative-positive thyristor and positive source, a ground connection branch road is set, ground connection branch road is provided with electric capacity.
Be provided with resistance between NPN type thyristor and positive-negative-positive thyristor, level signal input interface is connected with single-chip microcomputer or oscillating circuit.
During use, IN pin has level signal to input, and VDD pin connects 3V or 5V power supply, when IN pin input high level, after the regulation of electrical circuit, OUT pin can export corresponding 3V or 5V voltage respectively, when IN pin input low level, regardless of VDD pin voltage, OUT pin voltage is zero.
Device specification;
Resistance R1, R13:250 ohm; Positive-negative-positive thyristor: model BC807; Positive-negative-positive thyristor: model BC817; Electric capacity C10:2.2UF.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, every above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (4)
1. the control electricity circuit exported for two kinds of level, comprise thyristor, resistance, power supply, electric capacity, it is characterized in that: described thyristor comprises two thyristors, one of them is NPN type thyristor, another is positive-negative-positive thyristor, the base stage of described NPN type thyristor is connected with level signal input interface, the emitter of described positive-negative-positive thyristor is connected with positive source, the collector electrode of described positive-negative-positive thyristor is connected with voltage output end mouth, and the collector electrode of described NPN type thyristor is connected with the base stage of positive-negative-positive thyristor.
2. the control electricity circuit exported for two kinds of level according to claim 1, is characterized in that: be provided with resistance between the base stage of described NPN type thyristor and level signal input interface, the grounded emitter of described NPN type thyristor.
3. the control electricity circuit exported for two kinds of level according to claim 1, is characterized in that: arrange a ground connection branch road before the emitter of described positive-negative-positive thyristor and positive source, described ground connection branch road is provided with electric capacity.
4. the control electricity circuit exported for two kinds of level according to claim 1, it is characterized in that: be provided with resistance between described NPN type thyristor and positive-negative-positive thyristor, described level signal input interface is connected with single-chip microcomputer or oscillating circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420523511.7U CN204119207U (en) | 2014-09-12 | 2014-09-12 | For the control electricity circuit that two kinds of level export |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420523511.7U CN204119207U (en) | 2014-09-12 | 2014-09-12 | For the control electricity circuit that two kinds of level export |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204119207U true CN204119207U (en) | 2015-01-21 |
Family
ID=52336482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420523511.7U Active CN204119207U (en) | 2014-09-12 | 2014-09-12 | For the control electricity circuit that two kinds of level export |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204119207U (en) |
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2014
- 2014-09-12 CN CN201420523511.7U patent/CN204119207U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |