CN202931213U - Thyristor alternating current voltage regulating circuit - Google Patents
Thyristor alternating current voltage regulating circuit Download PDFInfo
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- CN202931213U CN202931213U CN 201220611470 CN201220611470U CN202931213U CN 202931213 U CN202931213 U CN 202931213U CN 201220611470 CN201220611470 CN 201220611470 CN 201220611470 U CN201220611470 U CN 201220611470U CN 202931213 U CN202931213 U CN 202931213U
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- thyristor
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- control circuit
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Abstract
The utility model relates to a thyristor alternating current voltage regulating circuit which can solve the problems of big energy consumption, big energy waste, and low effective power, and can satisfy the energy conservation demand. The technical points are that: a thyristor trigger control circuit and a thyristor load circuit are included; the thyristor trigger control circuit includes a rectifier bridge, a voltage dividing and regulating control circuit, and a thyristor isolating and trigger circuit. The thyristor trigger control circuit is connected in parallel with the thyristor load circuit and then is connected with the alternating current; a control circuit of the thyristor load circuit is coupled with an output circuit of the thyristor isolating and trigger circuit; the voltage dividing and regulating control circuit is connected in parallel with the thyristor isolating and trigger circuit, and then is connected with the rectifier bridge; the output terminal of the voltage dividing and regulating control circuit is electrically connected with the control terminal of the thyristor isolating and trigger circuit; the input terminal of the rectifier bridge is connected with the alternating current. The thyristor alternating current voltage regulating circuit is small in power consumption and is high in effective power, thus satisfying the energy conservation demand.
Description
Technical field
The utility model is a kind of regulating circuit, particularly relates to a kind of thyristor alternating-current regulating circuit.
Background technology
AC voltage adjusting circuit is pressure regulation means comparatively commonly used in prior art, adopt regulating circuit effective Circuit tuning output voltage rapidly, be fit to the electricity consumption of various electrical equipment, particularly for some external electrical equipment, often need to carry out Regulation Control and conveying by regulating circuit, but existing technology has a grade pressure regulation often for pressure regulation, and range of regulation is less during pressure regulation, control also inaccuracy, What is more is the direct dividing potential drop of form of the divider resistance of employing, cause energy consumption larger, energy dissipation is large, effective power is few, do not meet energy-conservation requirement.
China Patent Publication No.: CN102497120A, open day on June 13rd, 2012, a kind of power frequency voltage regulation circuit is disclosed, by AC power, rectification circuit, the switching signal regulating circuit, the switch executive circuit, load forms, rectification circuit is rectified into Voltage pulsating direct-current supply with AC power, load is connected between the positive pole and switching tube of Voltage pulsating direct-current supply, utilize switching tube directly Rectified alternating current to be carried out " opening " during lower than a certain value, carry out during higher than a certain value " pass ", regulate or button is realized the load average voltage-regulation the adjusting of capacitance voltage by potentiometer, switching tube can use triode, field effect transistor, the switching signal regulating circuit is by resistance, potentiometer, triode or field effect transistor consist of, also can be by operational amplifier, electric capacity, resistance, key switch consists of.But this correlation technique has still that energy consumption is larger, and energy dissipation is large, and effective power is few, does not meet the problem of energy-conservation requirement.
Summary of the invention
The purpose of this utility model is to exist energy consumption larger for solving prior art, and energy dissipation is large, and effective power is few, does not meet the problem of energy-conservation requirement, provides a kind of energy consumption less, and effective power is high, meets the thyristor alternating-current regulating circuit of energy-conservation requirement.
the technical scheme that its technical problem that solves the utility model adopts is: a kind of thyristor alternating-current regulating circuit, the input of reception alternating current, resistive load is powered, comprise thyristor trigger control circuit and thyristor load circuit, described thyristor trigger control circuit comprises rectifier bridge, dividing potential drop voltage regulator control circuit and thyristor insulation triggering circuit, described thyristor trigger control circuit with the thyristor load circuit parallel connection be connected and be connected with alternating current, the output circuit coupling of the control circuit of described thyristor load circuit and described thyristor insulation triggering circuit, the dividing potential drop voltage regulator control circuit with the thyristor insulation triggering circuit parallel connection be connected and being connected of described rectifier bridge, the output of described dividing potential drop voltage regulator control circuit is electrically connected to the control end of thyristor insulation triggering circuit, the input of described rectifier bridge is connected with alternating current.Arrange like this, the utility model during to the alternating current pressure regulation energy consumption less, effective power is high.
As preferably, described thyristor alternating-current regulating circuit also comprises voltage stabilizing circuit, and the input of the input of described voltage stabilizing circuit, dividing potential drop voltage regulator control circuit is connected input and all is connected with the output of described rectifier bridge with the thyristor insulation triggering circuit.
as preferably, described dividing potential drop voltage regulator control circuit comprises adjustable resistance RT, the second resistance R 2, the 3rd resistance R 3, the first capacitor C 1 and triode Q1, the end of described adjustable resistance RT is connected with the positive output end of rectifier bridge, the other end of described adjustable resistance RT is connected with an end of the second resistance R 2, the other end of described the second resistance R 2 is connected with the negative output terminal of described rectifier bridge, described triode Q1 is the PNP pipe, one end of described the 3rd resistance R 3 is connected with the positive output end of rectifier bridge, the other end of described the 3rd resistance R 3 is connected with the emitter of triode Q1, the emitter collector electrode of described triode Q1 is connected with the negative output terminal of rectifier bridge by the first capacitor C 1, the base stage of described triode Q1 is electrically connected to the other end of described adjustable resistance RT.
as preferably, the thyristor insulation triggering circuit comprises unijunction transistor Q2, the 4th resistance R 4 and pulse transformer former limit, described thyristor load circuit comprises thyristor Q3 and pulse transformer secondary, the first base stage of unijunction transistor Q2 is connected with the positive output end of rectifier bridge by the 4th resistance, the second base stage of unijunction transistor Q2 is connected with the negative output terminal of rectifier bridge by the 4th resistance, the emitter of unijunction transistor Q2 is connected with the output of dividing potential drop voltage regulator control circuit by pulse transformer former limit, the conduction terminal of described thyristor Q3 is connected with rectifier bridge with the resistive load series connection is rear, the gate pole of described thyristor Q3 is connected with described pulse transformer secondary, the former limit of described pulse transformer and the coupling of described pulse transformer secondary.
Substantial effect of the present utility model is: the utility model is simple in structure, easy to manufacture, with low cost, and energy consumption is less, and effective power is high, meets energy-conservation requirement.
Description of drawings
Fig. 1 is the utility model circuit theory diagrams.
Embodiment
Below by specific embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment:
a kind of thyristor alternating-current regulating circuit (referring to accompanying drawing 1), the input of reception alternating current, resistive load is powered, it is characterized in that: comprise thyristor trigger control circuit and thyristor load circuit, the thyristor trigger control circuit comprises rectifier bridge, dividing potential drop voltage regulator control circuit and thyristor insulation triggering circuit, the thyristor trigger control circuit with the thyristor load circuit parallel connection be connected and be connected with alternating current, the output circuit coupling of the control circuit of thyristor load circuit and thyristor insulation triggering circuit, the dividing potential drop voltage regulator control circuit with the thyristor insulation triggering circuit parallel connection be connected and being connected of rectifier bridge, the output of dividing potential drop voltage regulator control circuit is electrically connected to the control end of thyristor insulation triggering circuit, the input of rectifier bridge is connected with alternating current.The thyristor alternating-current regulating circuit also comprises voltage stabilizing circuit, and the input of the input of voltage stabilizing circuit, dividing potential drop voltage regulator control circuit is connected input and all is connected with the output of rectifier bridge with the thyristor insulation triggering circuit.The thyristor alternating-current regulating circuit also comprises voltage stabilizing circuit, and the input of the input of voltage stabilizing circuit, dividing potential drop voltage regulator control circuit is connected input and all is connected with the output of rectifier bridge with the thyristor insulation triggering circuit.the dividing potential drop voltage regulator control circuit comprises adjustable resistance RT, the second resistance R 2, the 3rd resistance R 3, the first capacitor C 1 and triode Q1, the end of adjustable resistance RT is connected with the positive output end of rectifier bridge, the other end of adjustable resistance RT is connected with an end of the second resistance R 2, the other end of the second resistance R 2 is connected with the negative output terminal of rectifier bridge, triode Q1 is the PNP pipe, one end of the 3rd resistance R 3 is connected with the positive output end of rectifier bridge, the other end of the 3rd resistance R 3 is connected with the emitter of triode Q1, the emitter collector electrode of triode Q1 is connected with the negative output terminal of rectifier bridge by the first capacitor C 1, the base stage of triode Q1 is electrically connected to the other end of adjustable resistance RT.the thyristor insulation triggering circuit comprises unijunction transistor Q2, the 4th resistance R 4 and pulse transformer former limit, the thyristor load circuit comprises thyristor Q3 and pulse transformer secondary, the first base stage of unijunction transistor Q2 is connected with the positive output end of rectifier bridge by the 4th resistance, the second base stage of unijunction transistor Q2 is connected with the negative output terminal of rectifier bridge by the 4th resistance, the emitter of unijunction transistor Q2 is connected with the output of dividing potential drop voltage regulator control circuit by pulse transformer former limit, the conduction terminal of thyristor Q3 is connected with rectifier bridge with the resistive load series connection is rear, the gate pole of thyristor Q3 is connected with the pulse transformer secondary, the former limit of pulse transformer and the coupling of pulse transformer secondary.
The present embodiment utilizes bidirectional thyristor to control resistive load.Circuits for triggering adopt the unijunction transistor relaxation oscillator.Its power supply is supplied with after direct current drive through rectifier bridge rectification, resistance R 1 and voltage-stabiliser tube VZ slicing in echelon by AC power.Unijunction transistor output is transformer coupled to the bidirectional thyristor gate circuit through pulse.If non-resistive load, enter to control the rotating speed of DC motor M, can be with bidirectional thyristor and motor in series capacitance resistance ware in parallel then.Capacitance resistance ware in parallel is mainly the overvoltage that might produce because of the inductive load discharge on bidirectional thyristor in order to absorb.
Above-described embodiment is a kind of better scheme of the present utility model, is not that the utility model is done any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technical scheme that claim puts down in writing.
Claims (4)
1. thyristor alternating-current regulating circuit, the input of reception alternating current, resistive load is powered, it is characterized in that: comprise thyristor trigger control circuit and thyristor load circuit, described thyristor trigger control circuit comprises rectifier bridge, dividing potential drop voltage regulator control circuit and thyristor insulation triggering circuit, described thyristor trigger control circuit with the thyristor load circuit parallel connection be connected and be connected with alternating current, the output circuit coupling of the control circuit of described thyristor load circuit and described thyristor insulation triggering circuit, the dividing potential drop voltage regulator control circuit with the thyristor insulation triggering circuit parallel connection be connected and being connected of described rectifier bridge, the output of described dividing potential drop voltage regulator control circuit is electrically connected to the control end of thyristor insulation triggering circuit, the input of described rectifier bridge is connected with alternating current.
2. thyristor alternating-current pressure regulation electric power according to claim 1, it is characterized in that: described thyristor alternating-current regulating circuit also comprises voltage stabilizing circuit, and the input of the input of described voltage stabilizing circuit, dividing potential drop voltage regulator control circuit is connected input and all is connected with the output of described rectifier bridge with the thyristor insulation triggering circuit.
3. thyristor alternating-current pressure regulation electric power according to claim 1 and 2, it is characterized in that: described dividing potential drop voltage regulator control circuit comprises adjustable resistance RT, the second resistance R 2, the 3rd resistance R 3, the first capacitor C 1 and triode Q1, the end of described adjustable resistance RT is connected with the positive output end of rectifier bridge, the other end of described adjustable resistance RT is connected with an end of the second resistance R 2, the other end of described the second resistance R 2 is connected with the negative output terminal of described rectifier bridge, described triode Q1 is the PNP pipe, one end of described the 3rd resistance R 3 is connected with the positive output end of rectifier bridge, the other end of described the 3rd resistance R 3 is connected with the emitter of triode Q1, the emitter collector electrode of described triode Q1 is connected with the negative output terminal of rectifier bridge by the first capacitor C 1, the base stage of described triode Q1 is electrically connected to the other end of described adjustable resistance RT.
4. thyristor alternating-current pressure regulation electric power according to claim 1 and 2, it is characterized in that: the thyristor insulation triggering circuit comprises unijunction transistor Q2, the 4th resistance R 4 and pulse transformer former limit, described thyristor load circuit comprises thyristor Q3 and pulse transformer secondary, the first base stage of unijunction transistor Q2 is connected with the positive output end of rectifier bridge by the 4th resistance, the second base stage of unijunction transistor Q2 is connected with the negative output terminal of rectifier bridge by the 4th resistance, the emitter of unijunction transistor Q2 is connected with the output of dividing potential drop voltage regulator control circuit by pulse transformer former limit, the conduction terminal of described thyristor Q3 is connected with rectifier bridge with the resistive load series connection is rear, the gate pole of described thyristor Q3 is connected with described pulse transformer secondary, the former limit of described pulse transformer and the coupling of described pulse transformer secondary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220611470 CN202931213U (en) | 2012-11-19 | 2012-11-19 | Thyristor alternating current voltage regulating circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220611470 CN202931213U (en) | 2012-11-19 | 2012-11-19 | Thyristor alternating current voltage regulating circuit |
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| Publication Number | Publication Date |
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| CN202931213U true CN202931213U (en) | 2013-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220611470 Expired - Fee Related CN202931213U (en) | 2012-11-19 | 2012-11-19 | Thyristor alternating current voltage regulating circuit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105577022A (en) * | 2014-10-10 | 2016-05-11 | 深圳市陶驰科技有限公司 | Power supply circuit of gas ionization tube |
| CN106100325A (en) * | 2016-08-05 | 2016-11-09 | 深圳怡化电脑股份有限公司 | Change-over circuit and include the industrial control equipment of change-over circuit |
| CN111509671A (en) * | 2020-05-30 | 2020-08-07 | 尹永云 | Motor voltage fault protection circuit |
-
2012
- 2012-11-19 CN CN 201220611470 patent/CN202931213U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105577022A (en) * | 2014-10-10 | 2016-05-11 | 深圳市陶驰科技有限公司 | Power supply circuit of gas ionization tube |
| CN106100325A (en) * | 2016-08-05 | 2016-11-09 | 深圳怡化电脑股份有限公司 | Change-over circuit and include the industrial control equipment of change-over circuit |
| CN111509671A (en) * | 2020-05-30 | 2020-08-07 | 尹永云 | Motor voltage fault protection circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Thyristor alternating current voltage regulating circuit Effective date of registration: 20131213 Granted publication date: 20130508 Pledgee: Agricultural Bank of China, Limited by Share Ltd, Yuyao branch Pledgor: Ningbo Goldsource Electric Co., Ltd. Registration number: 2013990000974 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20161119 |