CN101236445A - Power consumption free voltage stabilizing power source circuit - Google Patents
Power consumption free voltage stabilizing power source circuit Download PDFInfo
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- CN101236445A CN101236445A CNA200710048351XA CN200710048351A CN101236445A CN 101236445 A CN101236445 A CN 101236445A CN A200710048351X A CNA200710048351X A CN A200710048351XA CN 200710048351 A CN200710048351 A CN 200710048351A CN 101236445 A CN101236445 A CN 101236445A
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Abstract
The invention provides a non-power consumption direct current voltage stabilization power circuit, belonging to the application of the electronic technology in fields such as industry and lighting, etc. The invention consists of a voltage reducing circuit, a rectifying circuit, a voltage stabilizing diode, a transient protection and filtering circuit. The non-power consumption direct current voltage stabilization power circuit has the advantages that: (1) the non-power consumption direct current voltage stabilization power circuit dose not consume power; (2) the circuit is simplest in structure, highest in reliability, lowest in cost, smallest in volume and easiest in manufacturing; (3) the output voltage is easily regulated. The output voltage can be regulated by changing the voltage stabilizing diode; (4) the whole circuit is capacitive, thereby facilitating to improving the power factor of an AC network, causing no pollution to the AC network and facilitating to absorbing the pollution of the AC network; the power circuit is energy saving and environment friendly. The invention is quite suitable to supply power for an AC 220 volt semiconductor light and also suitable for the DC voltage stabilization power supply for a CMOS integrated circuit and other low power electric appliances.
Description
Technical field
The present invention relates to a kind of circuit, particularly the power consumption free voltage stabilizing power source circuit that uses in the daily life.
Background technology
D.C. regulated power supply commonly used is made up of power transformer, rectification, filtering, mu balanced circuit.Its weak point is that volume is big, the circuit complexity, and the cost height, conversion efficiency is low.Switching Power Supply commonly used, its weak point is the circuit complexity, the cost height pollutes power supply.Their common weak points are that DC-stabilized circuit itself is all wanted power consumption.
Summary of the invention
In order to overcome above-mentioned deficiency, the invention provides a kind of power consumption free voltage stabilizing power source circuit.It is made up of reduction voltage circuit, rectification circuit, voltage stabilizing diode, transient protection and filtering circuit.It is characterized in that
The ac input end of described rectification circuit is in series with the step-down current-limiting circuit that is made of electric capacity; The dc output end of described rectification circuit is parallel with voltage stabilizing diode and the transient protection that is made of electric capacity, filtering circuit.
Described rectification circuit is made up of the rectifier bridge that diode constitutes.
Transient protection, the filtering circuit of the dc output end parallel connection of described rectification circuit, by an electric capacity, perhaps the electric capacity that is in parallel by a large bulk capacitance and low capacity electric capacity is formed.
The voltage stabilizing diode of the dc output end parallel connection of described rectification circuit, under special circumstances, voltage stabilizing diode is load, is again the voltage stabilizing diode as voltage stabilizing.
Compared with prior art, the invention has the beneficial effects as follows: (one), not power consumption of power consumption free voltage stabilizing power source circuit itself.(2), circuit is the simplest, reliability is the highest, cost is minimum, the volume minimum is made the simplest.(3), output voltage is easy to regulate.By changing voltage stabilizing diode, just can adjust the size of output voltage.(4), since entire circuit be capacitive, help improving the power factor (PF) of AC network, pollution-free to AC network, help absorbing the pollution of AC network, be the energy-conserving and environment-protective power circuits.It is well suited for the power supply that exchanges 220 volts of semi-conductor lighting lamps, also is well suited for the DC voltage-stabilizing power supply of CMOS integrated circuit, also is applicable to the DC voltage-stabilizing power supply of other electrical appliance.
Description of drawings
Fig. 1 is the circuit theory diagrams of power consumption free voltage stabilizing power source circuit of the present invention.
Fig. 2 is one embodiment of the present of invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is elaborated.
First embodiment of the present invention.
As shown in Figure 1, this power consumption free voltage stabilizing power source circuit is made up of capacitor C 1, rectifier bridge, transient protection capacitor C 2, filter capacitor C3 and voltage stabilizing diode.The step-down current-limiting circuit adopts high-voltage capacitance C1; alternating current 220V is become low pressure output; after the rectification circuit rectification that rectifier bridge D1, D2, D3, D4 constitute, obtain direct current; after protection capacitor C 2, filter capacitor C3 filtering, obtain DC current more stably again; behind the voltage stabilizing diode burning voltage, powering load.By selecting the size of C1, load current is about to flow through the average current of C1, the electric current that then flows through voltage stabilizing diode is about 0, and the power consumption of voltage stabilizing diode is about 0.So the power consumption of this power consumption free voltage stabilizing power source circuit is about 0.
Second embodiment of the present invention: AC 220 V semiconductor illuminating lamp.
As shown in Figure 2, this power consumption free voltage stabilizing power source circuit is made up of capacitor C 1, rectifier bridge, transient protection, filter capacitor C2 and high-brightness LED.Step-down current limiting capacitance C1; alternating current 220V is become low pressure output; after the rectification circuit rectification that rectifier bridge D1, D2, D3, D4 constitute, obtain direct current, after transient protection, filter capacitor C2 filtering, obtain DC current more stably again, give high-brightness LED 1, LED2 power supply.The LED1 here, LED2 are load, are again voltage stabilizing diodes.Use this power consumption free voltage stabilizing power source circuit, can drive several to nearly hundred high brightness LED.By second embodiment as can be known, not power consumption of this power consumption free voltage stabilizing power source circuit itself.
Claims (4)
1. a power consumption free voltage stabilizing power source circuit comprises rectification circuit, and transient protection, filtering circuit is characterized in that, the ac input end of described rectification circuit is in series with the step-down current-limiting circuit that is made of electric capacity; The dc output end of described rectification circuit is parallel with voltage stabilizing diode and the transient protection that is made of electric capacity, filtering circuit.
2. a kind of power consumption free voltage stabilizing power source circuit according to claim 1 is characterized in that described rectification circuit is made up of the rectifier bridge that diode constitutes.
3. a kind of power consumption free voltage stabilizing power source circuit according to claim 1; it is characterized in that; transient protection, the filtering circuit of the dc output end parallel connection of described rectification circuit, by an electric capacity, perhaps the electric capacity that is in parallel by a large bulk capacitance and low capacity electric capacity is formed.
4. a kind of power consumption free voltage stabilizing power source circuit according to claim 1, it is characterized in that, the voltage stabilizing diode of the dc output end parallel connection of described rectification circuit, under special circumstances, voltage stabilizing diode is load, is again the voltage stabilizing diode as voltage stabilizing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710048351XA CN101236445A (en) | 2007-01-30 | 2007-01-30 | Power consumption free voltage stabilizing power source circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710048351XA CN101236445A (en) | 2007-01-30 | 2007-01-30 | Power consumption free voltage stabilizing power source circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101236445A true CN101236445A (en) | 2008-08-06 |
Family
ID=39920103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200710048351XA Pending CN101236445A (en) | 2007-01-30 | 2007-01-30 | Power consumption free voltage stabilizing power source circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101236445A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012139415A1 (en) * | 2011-04-09 | 2012-10-18 | Zhao Wenzhi | Dc voltage-stabilized power supply |
| CN103378753A (en) * | 2012-04-30 | 2013-10-30 | 控制技术有限公司 | Power supply |
| CN105898933A (en) * | 2016-06-10 | 2016-08-24 | 周芸 | Low-power fade-on and fade-off LED lighting lamp |
| CN108462379A (en) * | 2018-03-29 | 2018-08-28 | 云南电网有限责任公司电力科学研究院 | A kind of direct current is double to apply high-voltage great-current experiment power supply ripple suppression circuit |
-
2007
- 2007-01-30 CN CNA200710048351XA patent/CN101236445A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012139415A1 (en) * | 2011-04-09 | 2012-10-18 | Zhao Wenzhi | Dc voltage-stabilized power supply |
| CN103378753A (en) * | 2012-04-30 | 2013-10-30 | 控制技术有限公司 | Power supply |
| CN105898933A (en) * | 2016-06-10 | 2016-08-24 | 周芸 | Low-power fade-on and fade-off LED lighting lamp |
| CN108462379A (en) * | 2018-03-29 | 2018-08-28 | 云南电网有限责任公司电力科学研究院 | A kind of direct current is double to apply high-voltage great-current experiment power supply ripple suppression circuit |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20080806 |