CN103560683A - Voltage-stabilizing power supply - Google Patents
Voltage-stabilizing power supply Download PDFInfo
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- CN103560683A CN103560683A CN201310411354.0A CN201310411354A CN103560683A CN 103560683 A CN103560683 A CN 103560683A CN 201310411354 A CN201310411354 A CN 201310411354A CN 103560683 A CN103560683 A CN 103560683A
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- power supply
- voltage
- stabilizer
- rectifier bridge
- adjustable side
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Abstract
The invention discloses a voltage-stabilizing power supply which comprises a transformer, diodes, capacitors and voltage regulators. According to the voltage-stabilizing power supply, electrolytic capacitors are employed, the voltage-stabilizing power supply has a high voltage withstand value especially in a circuit which generates negative voltage, needed materials can be found everywhere, the manufacture is simple, the cost is low, the negative voltage can be outputted, the voltage-stabilizing power supply is suitable for the power supply of various small electrical appliances, and the performance is stable.
Description
Technical field
The present invention relates to a kind of power circuit, particularly a kind of stabilized voltage power supply.
Background technology
At present, for the very high system of reliability requirement, exist serious shortcoming,,, regardless of the actual size of alternating voltage component, on serial transistor, all to produce sizable power, and cause transistor to want continuous operation under elevated operating temperature state, so that accelerate transistor ageing, useful life is short, and causes whole system poor work stability.
Therefore need a kind of new technical scheme to solve the problems referred to above.
Summary of the invention
Goal of the invention: the problem and shortage existing for above-mentioned prior art, the object of this invention is to provide a kind of stabilized voltage power supply, stable performance.
Technical scheme: the technical solution used in the present invention is a kind of stabilized voltage power supply, comprise transformer, diode, electric capacity and pressurizer, four diodes form a rectifier bridge, the 3rd end of rectifier bridge is connected with one end of transformer secondary output coil, its second end is connected with the other end of transformer secondary output coil, the first end of rectifier bridge is connected with the input of stabilizer, the first end of this rectifier bridge is connected with the adjustable side of stabilizer by electric capacity, the output of stabilizer feeds back to adjustable side by an electric capacity by output signal, the adjustable side ground connection of stabilizer.
Preferably, also comprise light-emitting diode, the positive pole of light-emitting diode is connected with the output of pressurizer, and its negative pole is connected with the adjustable side of pressurizer by a resistance.
Preferably, electric capacity adopts electrochemical capacitor.
Beneficial effect: the present invention compared with prior art, its advantage is that the present invention adopts electrochemical capacitor, producing in the circuit of negative voltage especially, have very high withstand voltage, required material can be looked for everywhere, and makes simple, cost is low, exportable negative voltage, is applicable to various small electric apparatus power supplies, stable performance.
Accompanying drawing explanation
Fig. 1 is circuit diagram of the present invention.
Embodiment
The present invention includes: comprise transformer, diode, electric capacity and pressurizer, four diodes form a rectifier bridge, the 3rd end 3 of rectifier bridge is connected with one end of transformer secondary output coil, its second end 2 is connected with the other end of transformer secondary output coil, the first end 1 of rectifier bridge is connected with the input of stabilizer, the first end 1 of this rectifier bridge is connected with the adjustable side of stabilizer by electric capacity, the output of described stabilizer feeds back to adjustable side by an electric capacity by output signal, the adjustable side ground connection of stabilizer.
Also comprise light-emitting diode, the positive pole of this light-emitting diode is connected with the output of pressurizer, and its negative pole is connected with the adjustable side of pressurizer by a resistance, and electric capacity adopts electrochemical capacitor.
As shown in Figure 1, the first end 1 of rectifier bridge is connected with the input of the second stabilizer U2, the first end 1 of this rectifier bridge is connected with the adjustable side of the second stabilizer U2 by the first capacitor C 1, the output of this stabilizer feeds back to adjustable side by the 9th capacitor C 9 by output signal, the adjustable side ground connection of stabilizer, the positive pole of the first LED 1 is connected with the output of the second stabilizer U2, and its negative pole is connected with the adjustable side of the second stabilizer U2 by the first resistance R 1.Same, the 4th end 4 of rectifier bridge is connected with the input of the 4th stabilizer U4.
Light-emitting diode, for protection diode, prevents output end of voltage stabilizer short circuit and damages pressurizer.
Can produce+12V of the present invention ,+5V ,-5V and-12V voltage, can meet the voltage requirements of various small electric apparatus, its power supply is stable, circuit is simple.
Claims (3)
1. a stabilized voltage power supply, it is characterized in that: comprise transformer, diode, electric capacity and pressurizer, four diodes form a rectifier bridge, the 3rd end (3) of described rectifier bridge is connected with one end of transformer secondary output coil, its second end (2) is connected with the other end of transformer secondary output coil, the first end of rectifier bridge (1) is connected with the input of stabilizer, the first end of this rectifier bridge (1) is connected with the adjustable side of stabilizer by electric capacity, the output of described stabilizer feeds back to adjustable side by an electric capacity by output signal, the adjustable side ground connection of described stabilizer.
2. a kind of stabilized voltage power supply according to claim 1, is characterized in that: also comprise light-emitting diode, the positive pole of described light-emitting diode is connected with the output of pressurizer, and its negative pole is connected with the adjustable side of pressurizer by a resistance.
3. a kind of stabilized voltage power supply according to claim 1, is characterized in that: described electric capacity adopts electrochemical capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310411354.0A CN103560683A (en) | 2013-09-11 | 2013-09-11 | Voltage-stabilizing power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310411354.0A CN103560683A (en) | 2013-09-11 | 2013-09-11 | Voltage-stabilizing power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103560683A true CN103560683A (en) | 2014-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310411354.0A Pending CN103560683A (en) | 2013-09-11 | 2013-09-11 | Voltage-stabilizing power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103560683A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2774061Y (en) * | 2005-03-04 | 2006-04-19 | 杜骏平 | Loudspeaker box in color light flashing lawn |
| CN201017251Y (en) * | 2007-04-04 | 2008-02-06 | 张亦翔 | Electric capacity voltage dividing type DC voltage-stabilized power supply |
| CN201319589Y (en) * | 2008-12-26 | 2009-09-30 | 云南承泰科技有限公司 | Micro-power single-line electronic switch power supply circuit |
| CN202513838U (en) * | 2012-04-01 | 2012-10-31 | 德阳汇川科技有限公司 | Low voltage power carrier communication power supply |
| CN202623814U (en) * | 2012-05-17 | 2012-12-26 | 北京兴科迪科技有限公司 | Tire pressure alarm self-powered device |
| CN202773133U (en) * | 2012-07-31 | 2013-03-06 | 恩斯迈电子(深圳)有限公司 | Light-emitting diode driving circuit |
| CN203180771U (en) * | 2013-03-24 | 2013-09-04 | 成都携恩科技有限公司 | Reader-writer power source used in RFID monitoring management system |
-
2013
- 2013-09-11 CN CN201310411354.0A patent/CN103560683A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2774061Y (en) * | 2005-03-04 | 2006-04-19 | 杜骏平 | Loudspeaker box in color light flashing lawn |
| CN201017251Y (en) * | 2007-04-04 | 2008-02-06 | 张亦翔 | Electric capacity voltage dividing type DC voltage-stabilized power supply |
| CN201319589Y (en) * | 2008-12-26 | 2009-09-30 | 云南承泰科技有限公司 | Micro-power single-line electronic switch power supply circuit |
| CN202513838U (en) * | 2012-04-01 | 2012-10-31 | 德阳汇川科技有限公司 | Low voltage power carrier communication power supply |
| CN202623814U (en) * | 2012-05-17 | 2012-12-26 | 北京兴科迪科技有限公司 | Tire pressure alarm self-powered device |
| CN202773133U (en) * | 2012-07-31 | 2013-03-06 | 恩斯迈电子(深圳)有限公司 | Light-emitting diode driving circuit |
| CN203180771U (en) * | 2013-03-24 | 2013-09-04 | 成都携恩科技有限公司 | Reader-writer power source used in RFID monitoring management system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140205 |