CN204302846U - Tandem type constant current adjustable voltage-stabilized source - Google Patents
Tandem type constant current adjustable voltage-stabilized source Download PDFInfo
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- CN204302846U CN204302846U CN201520013931.5U CN201520013931U CN204302846U CN 204302846 U CN204302846 U CN 204302846U CN 201520013931 U CN201520013931 U CN 201520013931U CN 204302846 U CN204302846 U CN 204302846U
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- triode
- potentiometer
- resistance
- voltage
- colelctor electrode
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Abstract
The utility model discloses a kind of tandem type constant current adjustable voltage-stabilized source, comprise the first resistance to the 4th resistance, the first triode to the 5th triode, the first potentiometer to the 3rd potentiometer, diode, Zener diode and electric capacity, the first end of the first resistance is connected with the colelctor electrode of the first end of the positive pole of diode, the first potentiometer, the sliding end of the first potentiometer, the colelctor electrode of the 3rd triode and the 4th triode respectively.The utility model tandem type constant current adjustable voltage-stabilized source is compared by the sampling such as the second potentiometer and the 5th triode, and make output voltage stabilization, the 3rd potentiometer is pressure regulation potentiometer, it is regulated to change output voltage, when voltage rise, output voltage rises, the 5th transistor base voltage rise, collector voltage is declined, dragged down by the base voltage of the 3rd triode, make output voltage stabilization, the utility model structure is simple, can regulation voltage easily, there is the value promoted the use of.
Description
Technical field
The utility model relates to a kind of voltage-stabilized power supply, particularly relates to a kind of tandem type constant current adjustable voltage-stabilized source.
Background technology
Society people enjoy the facility that electronic equipment brings greatly, but any electronic equipment all could normally must work under the support of power supply, due to the characteristic of electronic technology, the requirement of electronic equipment to power circuit is exactly to provide electric energy that is continual and steady, that meet load request, and all require under normal circumstances to provide galvanic current energy, the power supply providing this galvanic current energy is exactly D.C. regulated power supply; Computer is as a kind of comparatively accurate electronic equipment, its operating voltage more should be guaranteed, if stable voltage can not be ensured, then may cause the damage of element or the loss of data of internal electron, but the voltage in computer needed for each hardware is different, need different voltage-stabilized power supplies, if damaging appears in the voltage-stabilized power supply circuit of certain voltage, power supply for subsequent use does not have required voltage, then may cause normally using.
Utility model content
The purpose of this utility model is just to provide a kind of tandem type constant current adjustable voltage-stabilized source to solve the problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
A kind of tandem type constant current adjustable voltage-stabilized source, comprise the first resistance to the 4th resistance, first triode is to the 5th triode, first potentiometer is to the 3rd potentiometer, diode, Zener diode and electric capacity, the first end of described first resistance respectively with the positive pole of described diode, the first end of described first potentiometer, the sliding end of described first potentiometer, the colelctor electrode of described 3rd triode is connected with the colelctor electrode of described 4th triode, the negative pole of described diode is connected with the first end of described second resistance and the base stage of described second triode respectively, second end of described second resistance is connected with the colelctor electrode of described first triode, second end of described first resistance respectively with the first end of described 3rd resistance, the base stage of described first triode, the emitter stage of described first triode is connected with the first end of described 4th resistance, the first end of described 4th resistance is cathode voltage input, the emitter stage of described 3rd triode is connected with the base stage of described 4th triode, the emitter stage of described 4th triode respectively with the second end of described 3rd resistance, the first end of described second potentiometer, the sliding end of described second potentiometer is connected with the first end of described electric capacity, the transmitting very cathode voltage output of described 4th triode, the colelctor electrode of described second triode is connected with the base stage of described 3rd triode and the colelctor electrode of described 5th triode respectively, the emitter stage of described 5th triode is connected with the positive pole of described Zener diode, second end of described second potentiometer is connected with the first end of described 3rd potentiometer, the base stage of described 5th triode is connected with the sliding end of described 3rd potentiometer, second end of described 4th resistance respectively with the negative pole of described Zener diode, described second end of the 3rd potentiometer is connected with the second end of described electric capacity, second end of described 4th resistance is cathode voltage output.
The beneficial effects of the utility model are:
The utility model tandem type constant current adjustable voltage-stabilized source is compared by the sampling such as the second potentiometer and the 5th triode, and make output voltage stabilization, the 3rd potentiometer is pressure regulation potentiometer, it is regulated to change output voltage, when voltage rise, output voltage rises, the 5th transistor base voltage rise, collector voltage is declined, dragged down by the base voltage of the 3rd triode, make output voltage stabilization, the utility model structure is simple, can regulation voltage easily, there is the value promoted the use of.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the utility model tandem type constant current adjustable voltage-stabilized source.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, the utility model tandem type constant current adjustable voltage-stabilized source, comprise the first resistance R1 to the 4th resistance R4, first triode T1 is to the 5th triode T5, first potentiometer RP1 is to the 3rd potentiometer RP3, diode D, Zener diode DZ and electric capacity C, the first end of the first resistance R1 respectively with the positive pole of diode D, the first end of the first potentiometer RP1, the sliding end of the first potentiometer RP1, the colelctor electrode of the 3rd triode T3 is connected with the colelctor electrode of the 4th triode T4, the negative pole of diode D is connected with the first end of the second resistance R2 and the base stage of the second triode T2 respectively, second end of the second resistance R2 is connected with the colelctor electrode of the first triode T1, second end of the first resistance R1 respectively with the first end of the 3rd resistance R3, the base stage of the first triode T1, the emitter stage of the first triode T1 is connected with the first end of the 4th resistance R4, the first end of the 4th resistance R4 is cathode voltage input, the emitter stage of the 3rd triode T3 is connected with the base stage of the 4th triode T4, the emitter stage of the 4th triode T4 respectively with second end of the 3rd resistance R3, the first end of the second potentiometer RP2, the sliding end of the second potentiometer RP2 is connected with the first end of electric capacity C, the transmitting very cathode voltage output of the 4th triode T4, the colelctor electrode of the second triode T2 is connected with the base stage of the 3rd triode T3 and the colelctor electrode of the 5th triode T5 respectively, the emitter stage of the 5th triode T5 is connected with the positive pole of Zener diode DZ, second end of the second potentiometer RP2 is connected with the first end of the 3rd potentiometer RP3, the base stage of the 5th triode T5 is connected with the sliding end of the 3rd potentiometer RP3, second end of the 4th resistance R4 respectively with the negative pole of Zener diode DZ, second end of the 3rd potentiometer RP3 is connected with second end of electric capacity C, second end of the 4th resistance R4 is cathode voltage output.
The operation principle of the utility model tandem type constant current adjustable voltage-stabilized source is as follows:
The first triode T1 conducting of this voltage-stabilized power supply circuit, second triode T2 conducting, 3rd triode T3 and the 4th triode T4 conducting, compared by the sampling such as the second potentiometer RP2 and the 5th triode T5, make output voltage stabilization, the output voltage of the 4th triode T4 is added to the first triode T1 base stage by the 3rd resistance R3 simultaneously, holding circuit normally works, 3rd potentiometer RP3 is pressure regulation potentiometer, it is regulated to change output voltage, when voltage rise, output voltage rises, 5th triode T5 base voltage rises, collector voltage is declined, the base voltage of the 3rd triode T3 is dragged down, make output voltage stabilization.
Claims (1)
1. a tandem type constant current adjustable voltage-stabilized source, it is characterized in that: comprise the first resistance to the 4th resistance, first triode is to the 5th triode, first potentiometer is to the 3rd potentiometer, diode, Zener diode and electric capacity, the first end of described first resistance respectively with the positive pole of described diode, the first end of described first potentiometer, the sliding end of described first potentiometer, the colelctor electrode of described 3rd triode is connected with the colelctor electrode of described 4th triode, the negative pole of described diode is connected with the first end of described second resistance and the base stage of described second triode respectively, second end of described second resistance is connected with the colelctor electrode of described first triode, second end of described first resistance respectively with the first end of described 3rd resistance, the base stage of described first triode, the emitter stage of described first triode is connected with the first end of described 4th resistance, the first end of described 4th resistance is cathode voltage input, the emitter stage of described 3rd triode is connected with the base stage of described 4th triode, the emitter stage of described 4th triode respectively with the second end of described 3rd resistance, the first end of described second potentiometer, the sliding end of described second potentiometer is connected with the first end of described electric capacity, the transmitting very cathode voltage output of described 4th triode, the colelctor electrode of described second triode is connected with the base stage of described 3rd triode and the colelctor electrode of described 5th triode respectively, the emitter stage of described 5th triode is connected with the positive pole of described Zener diode, second end of described second potentiometer is connected with the first end of described 3rd potentiometer, the base stage of described 5th triode is connected with the sliding end of described 3rd potentiometer, second end of described 4th resistance respectively with the negative pole of described Zener diode, described second end of the 3rd potentiometer is connected with the second end of described electric capacity, second end of described 4th resistance is cathode voltage output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520013931.5U CN204302846U (en) | 2015-01-09 | 2015-01-09 | Tandem type constant current adjustable voltage-stabilized source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520013931.5U CN204302846U (en) | 2015-01-09 | 2015-01-09 | Tandem type constant current adjustable voltage-stabilized source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204302846U true CN204302846U (en) | 2015-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520013931.5U Expired - Fee Related CN204302846U (en) | 2015-01-09 | 2015-01-09 | Tandem type constant current adjustable voltage-stabilized source |
Country Status (1)
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| CN (1) | CN204302846U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111263270A (en) * | 2020-01-20 | 2020-06-09 | 广州市舒音电子科技有限公司 | 2.4G digital wireless conference microphone |
-
2015
- 2015-01-09 CN CN201520013931.5U patent/CN204302846U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111263270A (en) * | 2020-01-20 | 2020-06-09 | 广州市舒音电子科技有限公司 | 2.4G digital wireless conference microphone |
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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 |
Granted publication date: 20150429 Termination date: 20160109 |