CN103475235A - Parallel-connection voltage stabilizing circuit - Google Patents
Parallel-connection voltage stabilizing circuit Download PDFInfo
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- CN103475235A CN103475235A CN2013104144657A CN201310414465A CN103475235A CN 103475235 A CN103475235 A CN 103475235A CN 2013104144657 A CN2013104144657 A CN 2013104144657A CN 201310414465 A CN201310414465 A CN 201310414465A CN 103475235 A CN103475235 A CN 103475235A
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- diode
- positive pole
- negative pole
- inductance
- field effect
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Abstract
The invention discloses a parallel-connection voltage stabilizing circuit. The circuit comprises a transformer, a diode, a capacitor, a field effect tube, an inductor and a resistor and converts alternating currents into pulsant direct currents through unidirectional conductivity of the diode, and ripple waves in output direct-current voltages are restrained. The circuit is particularly suitable for a small-power power supplying system, saves energy and stabilizes the output voltages by controlling and adjusting the ratio of the connection time of the pipe to the cut-off time of the pipe, and the stabilizing effect is better.
Description
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Technical field
The present invention relates to a kind of voltage stabilizing circuit, be specifically related to a kind of shunt regulating circuit.
Background technology
At present, the very high system for 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 the elevated operating temperature state, so that accelerate transistor ageing, useful life is short, and causes the 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: for the problem and shortage of above-mentioned existing existence, the purpose of this invention is to provide a kind of shunt regulating circuit, simple in structure, stability is strong.
Technical scheme: for achieving the above object, the technical solution used in the present invention is: a kind of shunt regulating circuit, this circuit comprises transformer, diode, electric capacity, field effect transistor, inductance and resistance, one end of the first secondary coil of transformer is connected with the positive pole of the second diode, its other end is connected with the positive pole of the 3rd diode, the negative pole of the second diode is connected with the negative pole of the 3rd diode, the negative pole of the first diode is connected with the positive pole of the second diode, the negative pole of the 4th diode is connected with the positive pole of the 3rd diode, the positive pole of the first diode is connected with the positive pole of the 4th diode, one end of the first inductance is connected with the positive pole of the 4th diode, the negative pole of its other end the 3rd diode is connected, one end of the first resistance is connected with the negative pole of the 3rd diode, and its other end is connected with the negative pole of the 5th diode, and the positive pole of the 5th diode is connected with the other end of the first inductance, the second resistance and the 5th diodes in parallel, one end of second subprime coil is connected with the drain electrode of field effect transistor, the source electrode of field effect transistor is connected with inductance, the other end ground connection of inductance, the negative pole of the 6th diode is connected with the source electrode of field effect transistor, the positive pole of the 6th diode is connected with the second electric capacity, the other end ground connection of the second electric capacity, the 3rd resistance is in parallel with the second electric capacity (C2).
Preferably, the 5th diode is voltage stabilizing didoe.
Preferably, the 6th diode is fly-wheel diode.
Beneficial effect: the present invention is by the unilateral conduction of diode, alternating current is changed into to the direct current of pulsation, suppress the ripple in output dc voltage, be specially adapted in the small-power electric power system, energy savings, utilize control adjustment pipe conducting and the ratio of deadline to carry out regulated output voltage, stablizing effect is better.
The accompanying drawing explanation
Fig. 1 is circuit diagram of the present invention.
Embodiment
As shown in Figure 1, the present invention includes transformer, diode, electric capacity, field effect transistor, inductance and resistance, one end of the first secondary coil of transformer is connected with the positive pole of the second diode D2, its other end is connected with the positive pole of the 3rd diode D3, the negative pole of the second diode D2 is connected with the negative pole of the 3rd diode D3, the negative pole of the first diode D1 is connected with the positive pole of the second diode D2, the negative pole of the 4th diode D4 is connected with the positive pole of the 3rd diode D3, the positive pole of the first diode D1 is connected with the positive pole of the 4th diode D4, the end of the first inductance C1 is connected with the positive pole of the 4th diode D4, the negative pole of its other end the 3rd diode D3 is connected, one end of the first resistance R 1 is connected with the negative pole of the 3rd diode D3, and its other end is connected with the negative pole of the 5th diode D5, and the positive pole of the 5th diode D5 is connected with the other end of the first inductance C1, and the second resistance R 2 is in parallel with the 5th diode D5, one end of second subprime coil is connected with the drain electrode of field effect transistor, the source electrode of field effect transistor is connected with inductance L 1, the other end ground connection of inductance L 1, the negative pole of the 6th diode D6 is connected with the source electrode of field effect transistor, the positive pole of the 6th diode D6 is connected with the second capacitor C 2, the other end ground connection of described the second capacitor C 2, the 3rd resistance R 3 is in parallel with the second capacitor C 2.
The 5th diode D5 is voltage stabilizing didoe, and the 6th diode D6 is fly-wheel diode.
The present invention is by the unilateral conduction of diode, alternating current is changed into to the direct current of pulsation, suppress the ripple in output dc voltage, be specially adapted in the small-power electric power system, energy savings, utilize control adjustment pipe conducting and the ratio of deadline to carry out regulated output voltage, stablizing effect is better.
Claims (3)
1. a shunt regulating circuit, it is characterized in that: comprise transformer, diode, electric capacity, field effect transistor, inductance and resistance, one end of the first secondary coil of described transformer is connected with the positive pole of the second diode (D2), its other end is connected with the positive pole of the 3rd diode (D3), the negative pole of described the second diode (D2) is connected with the negative pole of the 3rd diode (D3), the negative pole of the first diode (D1) is connected with the positive pole of the second diode (D2), the negative pole of the 4th diode (D4) is connected with the positive pole of the 3rd diode (D3), the positive pole of described the first diode (D1) is connected with the positive pole of the 4th diode (D4), one end of described the first inductance (C1) is connected with the positive pole of the 4th diode (D4), the negative pole of its other end the 3rd diode (D3) is connected, one end of the first resistance (R1) is connected with the negative pole of the 3rd diode (D3), its other end is connected with the negative pole of the 5th diode (D5), the positive pole of described the 5th diode (D5) is connected with the other end of the first inductance (C1), and described the second resistance (R2) is in parallel with the 5th diode (D5), one end of second subprime coil is connected with the drain electrode of field effect transistor, the source electrode of described field effect transistor is connected with inductance (L1), the other end ground connection of described inductance (L1), the negative pole of the 6th diode (D6) is connected with the source electrode of field effect transistor, the positive pole of described the 6th diode (D6) is connected with the second electric capacity (C2), the other end ground connection of described the second electric capacity (C2), the 3rd resistance (R3) is in parallel with the second electric capacity (C2).
2. a kind of shunt regulating circuit according to claim 1, it is characterized in that: described the 5th diode (D5) is voltage stabilizing didoe.
3. a kind of shunt regulating circuit according to claim 1, it is characterized in that: described the 6th diode (D6) is fly-wheel diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104144657A CN103475235A (en) | 2013-09-12 | 2013-09-12 | Parallel-connection voltage stabilizing circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104144657A CN103475235A (en) | 2013-09-12 | 2013-09-12 | Parallel-connection voltage stabilizing circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103475235A true CN103475235A (en) | 2013-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013104144657A Pending CN103475235A (en) | 2013-09-12 | 2013-09-12 | Parallel-connection voltage stabilizing circuit |
Country Status (1)
| Country | Link |
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| CN (1) | CN103475235A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103889113A (en) * | 2014-03-03 | 2014-06-25 | 深圳市明微电子股份有限公司 | LED current ripple eliminating circuit and LED lighting device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04299068A (en) * | 1991-03-26 | 1992-10-22 | Toshiba Lighting & Technol Corp | Power supply circuit |
| JPH1169812A (en) * | 1997-08-19 | 1999-03-09 | Matsushita Electric Ind Co Ltd | Power supply unit for crt |
| CN1756060A (en) * | 2004-09-30 | 2006-04-05 | 索尼株式会社 | Switching power supply circuit |
-
2013
- 2013-09-12 CN CN2013104144657A patent/CN103475235A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04299068A (en) * | 1991-03-26 | 1992-10-22 | Toshiba Lighting & Technol Corp | Power supply circuit |
| JPH1169812A (en) * | 1997-08-19 | 1999-03-09 | Matsushita Electric Ind Co Ltd | Power supply unit for crt |
| CN1756060A (en) * | 2004-09-30 | 2006-04-05 | 索尼株式会社 | Switching power supply circuit |
Non-Patent Citations (1)
| Title |
|---|
| 王旭光等: "一种Buck- Boost模式的交流调压电路", 《山东交通学院学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103889113A (en) * | 2014-03-03 | 2014-06-25 | 深圳市明微电子股份有限公司 | LED current ripple eliminating circuit and LED lighting device |
| CN103889113B (en) * | 2014-03-03 | 2017-01-25 | 深圳市明微电子股份有限公司 | LED current ripple eliminating circuit and LED lighting device |
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Application publication date: 20131225 |