CN204334354U - A kind of isolated form thyristor voltage stabilized source circuit - Google Patents
A kind of isolated form thyristor voltage stabilized source circuit Download PDFInfo
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- CN204334354U CN204334354U CN201420858586.0U CN201420858586U CN204334354U CN 204334354 U CN204334354 U CN 204334354U CN 201420858586 U CN201420858586 U CN 201420858586U CN 204334354 U CN204334354 U CN 204334354U
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Abstract
The utility model discloses a kind of isolated form thyristor voltage stabilized source circuit, comprise current rectifying and wave filtering circuit, integrator delay-time circuit and control circuit; Described current rectifying and wave filtering circuit comprises transformer W, electric capacity C1 ~ C5 and diode D1 ~ D4, and described integrator delay-time circuit comprises trimming capacitor C P1, triode VT1 and resistance R2; Described control circuit comprises resistance R1, resistance R5, potentiometer RP1, unidirectional thyristor RT1 and unidirectional thyristor RT2.The utility model circuit can effectively prevent power grid high-frequency signal and power frequency component from producing modulation on the diode, decrease interference, and control the reverse change with the change of input voltage of the silicon controlled angle of flow, effectively inhibit power network fluctuation, guarantee the stable of output voltage.Therefore the stabilized voltage power supply using this circuit to make has that structure is simple, the advantage of strong interference immunity and output voltage stabilization.
Description
Technical field
The utility model relates to a kind of power circuit, the isolated form thyristor voltage stabilized source circuit of specifically simple, the stable performance of a kind of structure.
Background technology
Stabilized voltage power supply is the Important Components in power industry; it can become stable voltage supply load to use the voltage transitions of instability; can effectively protect load electronic devices and components from the impact of power network fluctuation; thus extend the useful life of electronic device; and the mode of closed-loop control is carried out in existing stabilized voltage power supply many uses electric capacity timing to output voltage; there is complex structure, poor stability, be easily disturbed the shortcoming little with the angle of flow in this control mode, can not meet present user demand.
Utility model content
The purpose of this utility model is to provide that a kind of structure is simple, the isolated form thyristor voltage stabilized source circuit of stable performance, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of isolated form thyristor voltage stabilized source circuit, comprises current rectifying and wave filtering circuit, integrator delay-time circuit and control circuit; Described current rectifying and wave filtering circuit comprises transformer W, electric capacity C1 ~ C5 and diode D1 ~ D4, and described integrator delay-time circuit comprises trimming capacitor C P1, triode VT1 and resistance R2; Described control circuit comprises resistance R1, resistance R5, potentiometer RP1, unidirectional thyristor RT1 and unidirectional thyristor RT2;
One end that described transformer W primary side connects 220VAC, transformer W secondary end connects fuse F1, the other end connecting valve S1 of transformer W secondary end, and the other end of switch S 1 connects electric capacity C1, electric capacity C4, electric capacity C5, the positive pole of diode D3 and the negative pole of diode D4, the other end of electric capacity C1 connects the other end of fuse F1, electric capacity C2, electric capacity C3, the positive pole of diode D1 and the negative pole of diode D2, the negative pole of diode D1 connects the other end of electric capacity C2, the other end of electric capacity C4, the negative pole of diode D3 and inductance L 1, the positive pole of diode D2 connects the other end of electric capacity C3, the other end of electric capacity C5, the positive pole of diode D4, resistance R1, resistance R11, resistance R12, electric capacity C6, electric capacity C8, electric capacity C10, trimming capacitor C P1, the positive pole of diode D5, the negative pole of diode D6 and output U-out, the other end contact resistance R2 of inductance L 1, the anode of resistance R4 and unidirectional thyristor RT1, the other end of resistance R2 connects the anode of unidirectional thyristor RT2, the other end of trimming capacitor C P1 and the collector electrode of triode VT1, the other end of the base stage contact resistance R1 of triode VT1 and a stiff end of potentiometer RP1, the emitter contact resistance R10 of triode VT1, the other end of resistance R10 connects the negative pole of diode D10, another stiff end contact resistance R3 of potentiometer RP1, the sliding end of resistance R5 and potentiometer RP1, the other end of the other end contact resistance R4 of resistance R3, the other end of resistance R11, the other end of electric capacity C6 and the control pole of unidirectional thyristor RT2, the other end of the negative electrode contact resistance R12 of unidirectional thyristor RT2 and electric capacity C7, the other end contact resistance R7 of electric capacity C7 and the control pole of unidirectional thyristor RT1, the other end of the negative pole contact resistance R7 of unidirectional thyristor RT1 and resistance R8, the other end contact resistance R9 of resistance R8 and the other end of electric capacity C8, the other end of resistance R9 connects the positive pole of diode D6 and the stiff end of potentiometer RP2, and another stiff end of potentiometer RP2 connects the sliding end of potentiometer RP2, the other end of resistance R5 and resistance R6, the other end of resistance R6 connects the other end of electric capacity C10 and exports the other end of U-out.
As preferred version of the present utility model: described fuse F1 is DMM-11A type quick-acting fuse.
As preferred version of the present utility model: described unidirectional thyristor RT1 and RT2 is SCR2146 type one-way SCR.
Compared with prior art, the beneficial effects of the utility model are: circuit uses the mode of rectifier diode shunt capacitance to carry out rectification to alternating current on the one hand, can effectively prevent power grid high-frequency signal and power frequency component from producing modulation on the diode, decrease interference, the angle of flow reverse change with the change of input voltage of time delay integration circuit controling thyristor on the other hand, effectively inhibit power network fluctuation, guarantee the stable of output voltage.Therefore the stabilized voltage power supply using this circuit to make has that structure is simple, the advantage of strong interference immunity and output voltage stabilization.
Accompanying drawing explanation
Fig. 1 is a kind of circuit diagram of isolated form thyristor voltage stabilized source circuit.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, a kind of isolated form thyristor voltage stabilized source circuit, comprises current rectifying and wave filtering circuit, integrator delay-time circuit and control circuit; Described current rectifying and wave filtering circuit comprises transformer W, electric capacity C1 ~ C5 and diode D1 ~ D4, and described integrator delay-time circuit comprises trimming capacitor C P1, triode VT1 and resistance R2; Described control circuit comprises resistance R1, resistance R5, potentiometer RP1, unidirectional thyristor RT1 and unidirectional thyristor RT2;
One end that described transformer W primary side connects 220VAC, transformer W secondary end connects fuse F1, the other end connecting valve S1 of transformer W secondary end, and the other end of switch S 1 connects electric capacity C1, electric capacity C4, electric capacity C5, the positive pole of diode D3 and the negative pole of diode D4, the other end of electric capacity C1 connects the other end of fuse F1, electric capacity C2, electric capacity C3, the positive pole of diode D1 and the negative pole of diode D2, the negative pole of diode D1 connects the other end of electric capacity C2, the other end of electric capacity C4, the negative pole of diode D3 and inductance L 1, the positive pole of diode D2 connects the other end of electric capacity C3, the other end of electric capacity C5, the positive pole of diode D4, resistance R1, resistance R11, resistance R12, electric capacity C6, electric capacity C8, electric capacity C10, trimming capacitor C P1, the positive pole of diode D5, the negative pole of diode D6 and output U-out, the other end contact resistance R2 of inductance L 1, the anode of resistance R4 and unidirectional thyristor RT1, the other end of resistance R2 connects the anode of unidirectional thyristor RT2, the other end of trimming capacitor C P1 and the collector electrode of triode VT1, the other end of the base stage contact resistance R1 of triode VT1 and a stiff end of potentiometer RP1, the emitter contact resistance R10 of triode VT1, the other end of resistance R10 connects the negative pole of diode D10, another stiff end contact resistance R3 of potentiometer RP1, the sliding end of resistance R5 and potentiometer RP1, the other end of the other end contact resistance R4 of resistance R3, the other end of resistance R11, the other end of electric capacity C6 and the control pole of unidirectional thyristor RT2, the other end of the negative electrode contact resistance R12 of unidirectional thyristor RT2 and electric capacity C7, the other end contact resistance R7 of electric capacity C7 and the control pole of unidirectional thyristor RT1, the other end of the negative pole contact resistance R7 of unidirectional thyristor RT1 and resistance R8, the other end contact resistance R9 of resistance R8 and the other end of electric capacity C8, the other end of resistance R9 connects the positive pole of diode D6 and the stiff end of potentiometer RP2, and another stiff end of potentiometer RP2 connects the sliding end of potentiometer RP2, the other end of resistance R5 and resistance R6, the other end of resistance R6 connects the other end of electric capacity C10 and exports the other end of U-out.
Fuse F1 is DMM-11A type quick-acting fuse.
Unidirectional thyristor RT1 and RT2 is SCR2146 type one-way SCR.
Operation principle of the present utility model is: 220V alternating voltage becomes galvanic current after being directly added in the anti-interference rectifier bridge be made up of diode D1 ~ D4 and electric capacity C2 ~ C5, the mode of rectifier diode shunt capacitance carries out rectification to alternating current, can effectively prevent power grid high-frequency signal and power frequency component from producing modulation on the diode, the direct voltage exported is added in the negative electrode of unidirectional thyristor RT1, as long as change the phase place of unidirectional thyristor RT1 trigger impulse, just can the size of regulation output voltage, make it to keep stable, error amplifier VT1 collector load resistor R2 and trimming capacitor C P1 forms integrator delay-time circuit.It will be added to the anode of unidirectional thyristor RT1 after the input voltage time delay after rectification, becoming smooth direct current electric diode D5 after the two-stage RC filter filtering that output voltage forms via resistance R8, resistance R9, electric capacity C8 and electric capacity C10 is for triode VT1 provides the voltage stabilizing didoe of reference voltage.Resistance R1, resistance R5 and potentiometer RP1 composition sampling bleeder circuit, the size of control voltage together with controllable silicon RT2, when supposing to make output voltage raise for a certain reason, the sampling voltage that sample circuit provides to error amplifier tube VT1 base stage also raises, collector current increases, and trimming capacitor C P1 charging current reduces, and unidirectional thyristor RT1 ON time is delayed, the unidirectional thyristor RT1 angle of flow diminishes, and output voltage declines.When output voltage reduces, carry out rightabout adjustment by said process, the unidirectional thyristor RT1 angle of flow just increases, and the output voltage of reduction is gone up, thus keeps the stable of output voltage.
Claims (3)
1. an isolated form thyristor voltage stabilized source circuit, comprises current rectifying and wave filtering circuit, integrator delay-time circuit and control circuit, it is characterized in that, described current rectifying and wave filtering circuit comprises transformer W, electric capacity C1 ~ C5 and diode D1 ~ D4, and described integrator delay-time circuit comprises trimming capacitor C P1, triode VT1 and resistance R2, described control circuit comprises resistance R1, resistance R5, potentiometer RP1, unidirectional thyristor RT1 and unidirectional thyristor RT2, one end that described transformer W primary side connects 220VAC, transformer W secondary end connects fuse F1, the other end connecting valve S1 of transformer W secondary end, and the other end of switch S 1 connects electric capacity C1, electric capacity C4, electric capacity C5, the positive pole of diode D3 and the negative pole of diode D4, the other end of electric capacity C1 connects the other end of fuse F1, electric capacity C2, electric capacity C3, the positive pole of diode D1 and the negative pole of diode D2, the negative pole of diode D1 connects the other end of electric capacity C2, the other end of electric capacity C4, the negative pole of diode D3 and inductance L 1, the positive pole of diode D2 connects the other end of electric capacity C3, the other end of electric capacity C5, the positive pole of diode D4, resistance R1, resistance R11, resistance R12, electric capacity C6, electric capacity C8, electric capacity C10, trimming capacitor C P1, the positive pole of diode D5, the negative pole of diode D6 and output U-out, the other end contact resistance R2 of inductance L 1, the anode of resistance R4 and unidirectional thyristor RT1, the other end of resistance R2 connects the anode of unidirectional thyristor RT2, the other end of trimming capacitor C P1 and the collector electrode of triode VT1, the other end of the base stage contact resistance R1 of triode VT1 and a stiff end of potentiometer RP1, the emitter contact resistance R10 of triode VT1, the other end of resistance R10 connects the negative pole of diode D10, another stiff end contact resistance R3 of potentiometer RP1, the sliding end of resistance R5 and potentiometer RP1, the other end of the other end contact resistance R4 of resistance R3, the other end of resistance R11, the other end of electric capacity C6 and the control pole of unidirectional thyristor RT2, the other end of the negative electrode contact resistance R12 of unidirectional thyristor RT2 and electric capacity C7, the other end contact resistance R7 of electric capacity C7 and the control pole of unidirectional thyristor RT1, the other end of the negative pole contact resistance R7 of unidirectional thyristor RT1 and resistance R8, the other end contact resistance R9 of resistance R8 and the other end of electric capacity C8, the other end of resistance R9 connects the positive pole of diode D6 and the stiff end of potentiometer RP2, and another stiff end of potentiometer RP2 connects the sliding end of potentiometer RP2, the other end of resistance R5 and resistance R6, the other end of resistance R6 connects the other end of electric capacity C10 and exports the other end of U-out.
2. a kind of isolated form thyristor voltage stabilized source circuit according to claim 1, is characterized in that, described fuse F1 is DMM-11A type quick-acting fuse.
3. a kind of isolated form thyristor voltage stabilized source circuit according to claim 1, it is characterized in that, described unidirectional thyristor RT1 and RT2 is SCR2146 type one-way SCR.
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| CN201420858586.0U CN204334354U (en) | 2014-12-30 | 2014-12-30 | A kind of isolated form thyristor voltage stabilized source circuit |
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| CN201420858586.0U CN204334354U (en) | 2014-12-30 | 2014-12-30 | A kind of isolated form thyristor voltage stabilized source circuit |
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| CN204334354U true CN204334354U (en) | 2015-05-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106621879A (en) * | 2016-12-09 | 2017-05-10 | 陈彦羽 | High-pressure material mixing device for sugar industry |
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2014
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106621879A (en) * | 2016-12-09 | 2017-05-10 | 陈彦羽 | High-pressure material mixing device for sugar industry |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Xi'an Juntao Technology Co., Ltd Assignor: SHANGHAI JUNTAO POWER EQUIPMENT Co.,Ltd. Contract record no.: X2020980002285 Denomination of utility model: Isolated silicon controlled rectifier stabilized power supply circuit Granted publication date: 20150513 License type: Common License Record date: 20200518 |
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| EE01 | Entry into force of recordation of patent licensing contract | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201512, 469, three Bang Road, 1, Shanghai, Songjiang District Patentee after: Shanghai Juntao Technology Co.,Ltd. Address before: 201512, 469, three Bang Road, 1, Shanghai, Songjiang District Patentee before: SHANGHAI JUNTAO POWER EQUIPMENT Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |