CN204374816U - AC voltage regulator mu balanced circuit - Google Patents
AC voltage regulator mu balanced circuit Download PDFInfo
- Publication number
- CN204374816U CN204374816U CN201520059347.3U CN201520059347U CN204374816U CN 204374816 U CN204374816 U CN 204374816U CN 201520059347 U CN201520059347 U CN 201520059347U CN 204374816 U CN204374816 U CN 204374816U
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- circuit
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- balanced
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Abstract
A kind of AC voltage regulator mu balanced circuit, comprising: power supply inputs, and it is characterized in that, described AC voltage regulator mu balanced circuit also comprises: the power circuit be connected successively and mu balanced circuit; Wherein mu balanced circuit comprises voltage signal testing circuit and controlling circuit of voltage regulation; Wherein, controlling circuit of voltage regulation comprises electric capacity C9, C12, operational amplifier U1A; Resistance R4, R6, R10, R11, transistor Q1, Q2 and direct current generator terminals J2; Voltage signal testing circuit comprises resistance R5, R7, R8, voltage stabilizing diode Z3, diode D6 and adjustable resistance W1; Power circuit comprises diode D1, D2, D3, D4, D5, electric capacity C1, C2, C3, C4, C5, C6, C7, C8, voltage stabilizing diode Z1, Z2, resistance R1, R2, R3, R9, R12, produce power supply signal VAA, VBB, VCC, VDD and VEE respectively, wherein VDD and VEE is that the operational amplifier U1A of controlling circuit of voltage regulation powers, and VAA is that voltage signal testing circuit is powered, VBB and VCC is that controlling circuit of voltage regulation is powered.
Description
Technical field
The utility model relates to voltage stabilizer technical field, more particularly, 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 range is very large, thus affect the normal work of consumer, consumer also may be caused to damage, and AC voltage regulator is a kind of pressure stabilizing device that can make the stable operating voltage of consumer.Its demand is increasing, also day by day increases the requirement of its reliability and security simultaneously.But it is low to there is control accuracy in the mu balanced circuit of current AC voltage regulator, complex circuit designs, the defect that reliability is low.
Therefore, prior art urgently has greatly improved.
Summary of the invention
The technical problems to be solved in the utility model is, for the above-mentioned defect of prior art, a kind of AC voltage regulator mu balanced circuit is provided, comprises: power supply inputs, it is characterized in that, described AC voltage regulator mu balanced circuit also comprises: the power circuit be connected successively and mu balanced circuit; Wherein mu balanced circuit comprises voltage signal testing circuit and controlling circuit of voltage regulation; Wherein, controlling circuit of voltage regulation comprises electric capacity C9, C12, operational amplifier U1A; Resistance R4, R6, R10, R11, transistor Q1, Q2 and direct current generator terminals J2; Voltage signal testing circuit comprises resistance R5, R7, R8, voltage stabilizing diode Z3, diode D6 and adjustable resistance W1; Power circuit comprises diode D1, D2, D3, D4, D5, electric capacity C1, C2, C3, C4, C5, C6, C7, C8, voltage stabilizing diode Z1, Z2, resistance R1, R2, R3, R9, R12, produce power supply signal VAA, VBB, VCC, VDD and VEE respectively, wherein VDD and VEE is that the operational amplifier U1A of controlling circuit of voltage regulation powers, and VAA is that voltage signal testing circuit is powered, VBB and VCC is that controlling circuit of voltage regulation is powered.
Implement AC voltage regulator mu balanced circuit of the present utility model, there is following beneficial effect: adopt the comparer of band hysteretic characteristic to judge to realize voltage, not only can realize the adjustment of deficient overvoltage accurately; The pair transistor of complementary duty mode is adopted to control turning to of direct current generator; Whole circuit design is simple, and not only reliability is high, and cost is low.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the power circuit principle figure of the utility model AC voltage regulator mu balanced circuit;
Fig. 2 is the mu balanced circuit schematic diagram of the utility model AC voltage regulator mu balanced circuit.
Embodiment
Refer to Fig. 1, for being the power circuit principle figure of the utility model AC voltage regulator mu balanced circuit.As shown in Figure 1, diode D2, diode D3, diode D4, diode D5 form full-wave rectifying circuit and filter capacitor C1, C2, C3, C4, C5, voltage stabilizing diode Z2, and resistance R1, R2, R3, R9 connect, and produce power supply signal VBB and VEE; Diode D1 forms half-wave rectifying circuit and filter capacitor C6, C7, C8, and voltage stabilizing diode Z1, resistance R12 connect, and produces power supply signal VCC and VDD.Wherein VDD and VEE is that the operational amplifier U1A of controlling circuit of voltage regulation powers, and VAA is that voltage signal testing circuit is powered, VBB and VCC is that controlling circuit of voltage regulation is powered.
Incorporated by reference to consulting Fig. 2, it is the mu balanced circuit schematic diagram of the utility model AC voltage regulator mu balanced circuit.As shown in Figure 2, mu balanced circuit comprises voltage signal testing circuit and controlling circuit of voltage regulation.Wherein voltage signal testing circuit is connected with the power supply signal VAA in power circuit, and it comprises resistance R5, R7, R8, voltage stabilizing diode Z3, and diode D6 and adjustable resistance W1 forms the reference voltage that can manually adjust; Controlling circuit of voltage regulation is connected with VAA with power supply signal VBB, the VCC in power circuit, its operational amplifier U1A and resistance R4, R6, R10, R11 form the comparer of band hysteretic characteristic, electric capacity C9, C12, transistor Q1, Q2 and direct current generator terminals J2 form motor steering driving circuit.When fluctuation appears in input supply voltage, whether mu balanced circuit detection input voltage occurs higher or on the low side, if the comparer be made up of operational amplifier U1A and resistance R4, R6, R10, R11 when input supply voltage occurs higher or on the low side controls motor steering driving circuit.When input supply voltage occurs higher, transistor Q1 conducting, transistor Q2 ends and direct current generator rotates forward until stop after output voltage stabilization; When input supply voltage occurs on the low side, transistor Q1 ends, and transistor Q2 conducting and direct current generator reversion are until stop after output voltage stabilization.
The utility model, by the design of above first embodiment, can be accomplished to adopt the comparer of band hysteretic characteristic to judge to realize voltage, not only can realize the adjustment of deficient overvoltage accurately; The pair transistor of complementary duty mode is adopted to control turning to of direct current generator; Whole circuit design is simple, and not only reliability is high, and cost is low.
The utility model is described according to specific embodiment, but it will be understood by those skilled in the art that when not departing from the utility model scope, can carry out various change and equivalent replacement.In addition, for adapting to the specific occasion of the utility model technology, can many amendments be carried out to the utility model and not depart from its protection domain.Therefore, the utility model is not limited to specific embodiment disclosed herein, and comprises all embodiments dropping into claims.
Claims (1)
1. an AC voltage regulator mu balanced circuit, comprising: power supply inputs, and it is characterized in that, described AC voltage regulator mu balanced circuit also comprises: the power circuit be connected successively and mu balanced circuit; Wherein mu balanced circuit comprises voltage signal testing circuit and controlling circuit of voltage regulation; Wherein, controlling circuit of voltage regulation comprises electric capacity C9, C12, operational amplifier U1A; Resistance R4, R6, R10, R11, transistor Q1, Q2 and direct current generator terminals J2; Voltage signal testing circuit comprises resistance R5, R7, R8, voltage stabilizing diode Z3, diode D6 and adjustable resistance W1; Power circuit comprises diode D1, D2, D3, D4, D5, electric capacity C1, C2, C3, C4, C5, C6, C7, C8, voltage stabilizing diode Z1, Z2, resistance R1, R2, R3, R9, R12, produce power supply signal VAA, VBB, VCC, VDD and VEE respectively, wherein VDD and VEE is that the operational amplifier U1A of controlling circuit of voltage regulation powers, and VAA is that voltage signal testing circuit is powered, VBB and VCC is that controlling circuit of voltage regulation is powered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520059347.3U CN204374816U (en) | 2015-01-28 | 2015-01-28 | AC voltage regulator mu balanced circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520059347.3U CN204374816U (en) | 2015-01-28 | 2015-01-28 | AC voltage regulator mu balanced circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204374816U true CN204374816U (en) | 2015-06-03 |
Family
ID=53331018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520059347.3U Expired - Fee Related CN204374816U (en) | 2015-01-28 | 2015-01-28 | AC voltage regulator mu balanced circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204374816U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104597952A (en) * | 2015-01-28 | 2015-05-06 | 长城电器集团有限公司 | Voltage stabilizing circuit of alternating current voltage stabilizer |
-
2015
- 2015-01-28 CN CN201520059347.3U patent/CN204374816U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104597952A (en) * | 2015-01-28 | 2015-05-06 | 长城电器集团有限公司 | Voltage stabilizing circuit of alternating current voltage stabilizer |
| CN104597952B (en) * | 2015-01-28 | 2017-05-03 | 长城电器集团有限公司 | Voltage stabilizing circuit of alternating current voltage stabilizer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180109 Address after: 2-1 No. 325000 Zhejiang city of Wenzhou province Yueqing North white elephant white town road (South) Patentee after: Zhejiang Kai FA Electric Co., Ltd. Address before: 325000 white elephant Town, white elephant Town, northern white elephant Town, Wenzhou City, Zhejiang Province, No. 2-1 Patentee before: CNC Electric Group Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: 325000 No. 2-1 Baixiang Avenue, Beibeixiang Town, Yueqing City, Zhejiang Province (South Building) Patentee after: Great Wall Electrical Appliance Group Zhejiang Technology Co., Ltd. Address before: 325000 white elephant road 2-1, North white elephant Town, Yueqing, Wenzhou, Zhejiang (South Tower) Patentee before: Zhejiang Kai FA Electric Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 Termination date: 20210128 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |