CN104597952B - Voltage stabilizing circuit of alternating current voltage stabilizer - Google Patents
Voltage stabilizing circuit of alternating current voltage stabilizer Download PDFInfo
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- CN104597952B CN104597952B CN201510042796.1A CN201510042796A CN104597952B CN 104597952 B CN104597952 B CN 104597952B CN 201510042796 A CN201510042796 A CN 201510042796A CN 104597952 B CN104597952 B CN 104597952B
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Abstract
The invention relates to a voltage stabilizing circuit of an alternating current voltage stabilizer. The voltage stabilizing circuit of the alternating current voltage stabilizer comprises a power input, a power circuit and a voltage stabilizing circuit, wherein the power circuit and the voltage stabilizing circuit are connected in sequence; the voltage stabilizing circuit comprises a voltage signal detection circuit and a voltage stabilizing control circuit; the voltage stabilizing control circuit comprises capacitors C9 and C12, an operational amplifier U1A, resistors R4, R6, R10 and R11, transistors Q1 and Q2 and a direct current motor connecting terminal J2; the voltage signal detection circuit comprises resistors R5, R7 and R8, a voltage stabilizing diode Z3, a diode D6 and an adjustable resistor W1. According to the voltage stabilizing circuit of the alternating current voltage stabilizer, voltage judgment is realized by using a comparator with hysteretic characteristic, so under-voltage and over-voltage adjustment can be accurately realized; the turning direction of a direct current motor is controlled by using the double transistors in a complementary working mode; the entire circuit is simple in design, high in reliability and low in cost.
Description
Technical field
The present invention relates to voltage-stablizer technical field, more particularly, it relates to a kind of AC voltage regulator mu balanced circuit.
Background technology
Because supply voltage is unstable because of a variety of causes, particularly some power supply site voltage fluctuating ranges are very big, from
And affect electrical equipment normal work, it is also possible to cause electrical equipment to damage, and AC voltage regulator be one kind can using electricity
The pressure stabilizing device of the stable operating voltage of equipment.Its demand is increasing, while the also day of the requirement to its reliability and security
Benefit increases.But the current mu balanced circuit of AC voltage regulator there is control accuracy low, complex circuit designs, the low defect of reliability.
Therefore, prior art is urgently greatly improved.
The content of the invention
The technical problem to be solved in the present invention is, for the above-mentioned defect of prior art, there is provided a kind of AC voltage-stabilizing
Device mu balanced circuit, including：Power input, it is characterised in that the AC voltage regulator mu balanced circuit also includes：The electricity being sequentially connected
Source circuit and mu balanced circuit；Wherein mu balanced circuit includes that voltage signal detects circuit and controlling circuit of voltage regulation；Wherein, voltage stabilizing control
Circuit includes electric capacity C9, C12, operational amplifier U1A；Resistance R4, R6, R10, R11, transistor Q1, Q2 and direct current generator wiring
End J2；Voltage signal detection circuit includes resistance R5, R7, R8, Zener diode Z3, diode D6 and adjustable resistance W1；Power supply
Circuit includes diode D1, D2, D3, D4, D5, electric capacity C1, C2, C3, C4, C5, C6, C7, C8, Zener diode Z1, Z2, resistance
R1, R2, R3, R9, R12, produce respectively power supply signal VAA, VBB, VCC, VDD and VEE, and wherein VDD and VEE is voltage stabilizing control electricity
The operational amplifier U1A on road powers, and VAA is that voltage signal detection circuit is powered, and VBB and VCC power for controlling circuit of voltage regulation.
Implement the AC voltage regulator mu balanced circuit of the present invention, have the advantages that：Using the comparison with hysteretic characteristic
Device come realize voltage judge, not only can accurately realize owe overvoltage adjustment；Controlled using the pair transistor of complementary duty mode
The steering of direct current generator；Whole circuit design is simple, and not only reliability is high, and low cost.
Description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is the power circuit principle figure of AC voltage regulator mu balanced circuit of the present invention；
Fig. 2 is the mu balanced circuit schematic diagram of AC voltage regulator mu balanced circuit of the present invention.
Specific embodiment
Fig. 1 is referred to, to be the power circuit principle figure of AC voltage regulator mu balanced circuit of the present invention.As shown in figure 1, two poles
Pipe D2, diode D3, diode D4, diode D5 composition full-wave rectifying circuits and filter capacitor C1, C2, C3, C4, C5, voltage stabilizing
Diode Z2, resistance R1, R2, R3, R9 connection, produces power supply signal VBB and VEE；Diode D1 constitute half-wave rectifying circuit and
Filter capacitor C6, C7, C8, Zener diode Z1, resistance R12 connection, produce power supply signal VCC and VDD.Wherein VDD and VEE are
The operational amplifier U1A of controlling circuit of voltage regulation powers, and VAA is that voltage signal detection circuit is powered, and VBB and VCC is voltage stabilizing control
Circuit is powered.
Fig. 2 is please referred to, is the mu balanced circuit schematic diagram of AC voltage regulator mu balanced circuit of the present invention.As shown in Fig. 2 steady
Volt circuit includes that voltage signal detects circuit and controlling circuit of voltage regulation.Electricity wherein in voltage signal detection circuit and power circuit
Source signal VAA connects, and it includes resistance R5, R7, R8, and Zener diode Z3, diode D6 and adjustable resistance W1 are constituted can be artificial
The reference voltage of adjustment；Power supply signal VBB, VCC and VAA connection in controlling circuit of voltage regulation and power circuit, its operation amplifier
Device U1A and resistance R4, R6, R10, R11 constitute the comparator with hysteretic characteristic, electric capacity C9, C12, transistor Q1, Q2 and direct current
Machine terminals J2 constitutes motor steering drive circuit.When fluctuating occurs in input supply voltage, mu balanced circuit detection input voltage is
It is no occur it is higher or low, if input supply voltage occur it is higher or low when by operational amplifier U1A and resistance R4, R6,
The comparator controlled motor of R10, R11 composition turns to drive circuit.When input supply voltage occurs higher, transistor Q1 leads
Logical, transistor Q2 cut-offs and direct current generator are rotated forward until stopping after output voltage stabilization；When input supply voltage occurs low,
Transistor Q1 ends, and transistor Q2 conductings and direct current generator reversion after output voltage stabilization until stop.
The present invention can accomplish to realize electricity using the comparator with hysteretic characteristic by the design of first embodiment above
Pressure judges, not only can accurately realize owing the adjustment of overvoltage；Direct current generator is controlled using the pair transistor of complementary duty mode
Turn to；Whole circuit design is simple, and not only reliability is high, and low cost.
The present invention is described according to specific embodiment, but it will be understood by those skilled in the art that without departing from this
During bright scope, various change and equivalent can be carried out.Additionally, the specific occasion to adapt to the technology of the present invention, can be to the present invention
Many modifications are carried out without deviating from its protection domain.Therefore, the present invention is not limited to specific embodiment disclosed herein, and including
All embodiments for dropping into claims.
Claims (1)
1. a kind of AC voltage regulator mu balanced circuit, including：Power input, it is characterised in that the AC voltage regulator mu balanced circuit
Also include：The power circuit being sequentially connected and mu balanced circuit；Wherein mu balanced circuit includes that voltage signal detects circuit and voltage stabilizing control
Circuit processed；Wherein, controlling circuit of voltage regulation includes electric capacity C9, C12, operational amplifier U1A；Resistance R4, R6, R10, R11, transistor
Q1, Q2 and direct current generator terminals J2, wherein, electric capacity C9 and electric capacity C12 one end are grounded, and the other end is respectively connected to direct current generator and connects
The two ends of line end J2, the connection resistance R11 of operational amplifier U1A pins 1 one end, the other end of resistance R11 connects respectively resistance R10
With the base stage of transistor Q1, the base stage of transistor Q1 is connected with transistor Q2 base stages, emitter stage and the transistor Q2 of transistor Q1
Emitter stage connects, and lead-out wire connection electric capacity C9 between the base stage of transistor Q1 and the base stage of transistor Q2, resistance R10 is connected in series
Resistance R4, resistance R4 connect power supply signal VBB；Voltage signal detection circuit include resistance R5, R7, R8, Zener diode Z3, two
Pole pipe D6 and adjustable resistance W1, wherein resistance R8 and Zener diode Z3, diode D6 is sequentially connected in series, from resistance R8 with it is steady
A line is drawn between pressure diode Z3 tie points to be connected with adjustable resistance W1, resistance W1 is connected in series with resistance R7, resistance W1
Resistance adjustable point is connected with resistance R5, and resistance R5 is connected with the pin 3 of operational amplifier U1A, and operational amplifier U1A's draws
Pin 2 is connected with resistance R6, and resistance R6 is connected respectively with resistance R7 and diode D6；Power circuit include diode D1, D2,
D3, D4, D5, electric capacity C1, C2, C3, C4, C5, C6, C7, C8, Zener diode Z1, Z2, resistance R1, R2, R3, R9, R12, two poles
Pipe D5 positive poles incoming transport electricity AC2, negative pole accesses the negative pole of diode D4, and alternating current AC1 divides Jing after diode D4 forward conductions
Stream, all the way through resistance R2 one end, the other end ground connection of resistance R2, the R1 and resistance R3 being connected in series, resistance are passed through in another road
The R3 other ends are connected with voltage VBB, and voltage VBB one end is connected in series electric capacity C5, the minus earth of electric capacity C5；Diode D3 is just
Pole is connected with alternating current AC1, and positive pole is connected with power supply signal VAA；Power supply signal VEE is connected by resistance R9 with D3 negative poles；Institute
State Zener diode Z2, electric capacity C2 and electric capacity C3 is in parallel and power supply signal VEE, other end ground connection are accessed in one end；Alternating current AC2 with
Diode D2 negative poles connect, and diode D2 positive poles access power supply signal VAA；Access power supply signal VAA, a termination in electric capacity C1 one end
Ground；Alternating current AC2 is connected with diode D1 in turn, and resistance R12, supply voltage VDD is connected with resistance R12, and power supply signal VCC connects
Enter the positive pole of the negative pole, resistance R12 and electric capacity C6 of diode D1, the electric capacity C6, Zener diode Z1, electric capacity C7 and electric capacity C8
Parallel connection, and power supply signal VDD, one end ground connection are accessed in one end；Alternating current AC3 is grounded；The power circuit produces respectively power supply letter
Number VAA, VBB, VCC, VDD and VEE, wherein VDD and VEE powers for the operational amplifier U1A of controlling circuit of voltage regulation, and VAA is electricity
Pressure signal deteching circuit is powered, and VBB and VCC power for controlling circuit of voltage regulation；If input supply voltage occurs higher or low
When the comparator controlled motor with hysteretic characteristic that is made up of operational amplifier U1A and resistance R4, R6, R10, R11 turn to and drive
Circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510042796.1A CN104597952B (en) | 2015-01-28 | 2015-01-28 | Voltage stabilizing circuit of alternating current voltage stabilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510042796.1A CN104597952B (en) | 2015-01-28 | 2015-01-28 | Voltage stabilizing circuit of alternating current voltage stabilizer |
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| Publication Number | Publication Date |
|---|---|
| CN104597952A CN104597952A (en) | 2015-05-06 |
| CN104597952B true CN104597952B (en) | 2017-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510042796.1A Active CN104597952B (en) | 2015-01-28 | 2015-01-28 | Voltage stabilizing circuit of alternating current voltage stabilizer |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104977956B (en) * | 2015-05-25 | 2017-12-05 | 长城电器集团有限公司 | The mu balanced circuit of AC voltage regulator controller |
| CN105048403B (en) * | 2015-05-25 | 2019-01-01 | 浙江凯发电气有限公司 | A kind of AC voltage regulator controller overvoltage crowbar |
| CN104912976B (en) * | 2015-06-30 | 2017-08-29 | 浙江玛拓驱动设备有限公司 | A kind of safety controller of electromagnetic brake |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1033325A (en) * | 1987-11-22 | 1989-06-07 | 浙江大学 | AC voltage regulator |
| CN2070925U (en) * | 1990-07-05 | 1991-02-06 | 中国科学院物理研究所 | Ac voltage-stabilizing voltage regulator |
| CN2079773U (en) * | 1990-12-27 | 1991-06-26 | 王军 | Ac voltage regulator |
| CN2082434U (en) * | 1990-06-11 | 1991-08-07 | 刘正明 | Alternating-current voltage-stabilising auto-transformer |
| JPH10301644A (en) * | 1997-04-25 | 1998-11-13 | Victor Co Of Japan Ltd | Power supply unit |
| CN2488094Y (en) * | 2001-06-29 | 2002-04-24 | 周熙文 | Servo-ac voltage stabilizer |
| CN204374816U (en) * | 2015-01-28 | 2015-06-03 | 长城电器集团有限公司 | AC voltage regulator mu balanced circuit |
-
2015
- 2015-01-28 CN CN201510042796.1A patent/CN104597952B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1033325A (en) * | 1987-11-22 | 1989-06-07 | 浙江大学 | AC voltage regulator |
| CN2082434U (en) * | 1990-06-11 | 1991-08-07 | 刘正明 | Alternating-current voltage-stabilising auto-transformer |
| CN2070925U (en) * | 1990-07-05 | 1991-02-06 | 中国科学院物理研究所 | Ac voltage-stabilizing voltage regulator |
| CN2079773U (en) * | 1990-12-27 | 1991-06-26 | 王军 | Ac voltage regulator |
| JPH10301644A (en) * | 1997-04-25 | 1998-11-13 | Victor Co Of Japan Ltd | Power supply unit |
| CN2488094Y (en) * | 2001-06-29 | 2002-04-24 | 周熙文 | Servo-ac voltage stabilizer |
| CN204374816U (en) * | 2015-01-28 | 2015-06-03 | 长城电器集团有限公司 | AC voltage regulator mu balanced circuit |
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| Publication number | Publication date |
|---|---|
| CN104597952A (en) | 2015-05-06 |
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Effective date of registration: 20200119 Address after: 325603 no.2-1, Baixiang Avenue, beibaixiang Town, Yueqing City, Wenzhou City, Zhejiang Province (South Building) Patentee after: Great Wall Electrical Appliance Group Zhejiang Technology Co., Ltd. Address before: 325000, No. 2-1, white elephant Avenue, North white elephant Town, Wenzhou, Zhejiang, Yueqing Patentee before: CNC Electric Group Co.,Ltd. |