CN204065890U - A kind of self-control automatic AC voltage-stabilizing circuit - Google Patents
A kind of self-control automatic AC voltage-stabilizing circuit Download PDFInfo
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- CN204065890U CN204065890U CN201420411283.4U CN201420411283U CN204065890U CN 204065890 U CN204065890 U CN 204065890U CN 201420411283 U CN201420411283 U CN 201420411283U CN 204065890 U CN204065890 U CN 204065890U
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Abstract
The utility model discloses a kind of self-control automatic AC voltage-stabilizing circuit, it comprises transformer, commutation diode group D1-D4, electric capacity C1, slide rheostat RP1, slide rheostat RP2, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, integrated circuit (IC) 1, amplifier comparer A1, amplifier comparer A2, diode D5, D6, triode VT1, VT2, voltage stabilizing diode DW, K switch 1 and K2; This self-control automatic AC voltage-stabilizing circuit safety is convenient, guarantee voltage stabilization.
Description
Technical field
The utility model relates to field of electrical equipment, particularly a kind of self-control automatic AC voltage-stabilizing circuit.
Background technology
The current mountain area remote in China and rural area, line voltage extremely unstable, and also voltage is generally on the low side, and some line voltages only have about 120V.In such electrical network, televisor and other household electrical appliance just cannot normally employ.Though market there is more voltage stabilizer, use effect and not so well, and price is higher.Therefore in order to can burning voltage level in remote districts, in order to address this problem, spy devises the voltage stabilizer that cost is not high, components and parts are easily purchased, and is applicable to fans and makes by oneself.
Summary of the invention
For above deficiency of the prior art, the self-control automatic AC voltage-stabilizing circuit that the purpose of this utility model is to provide a kind of safe ready, ensures voltage stabilization.The technical solution of the utility model is as follows:
A kind of self-control automatic AC voltage-stabilizing circuit, it comprises transformer, commutation diode group D1-D4, electric capacity C1, slide rheostat RP1, slide rheostat RP2, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, integrated circuit (IC) 1, amplifier comparer A1, amplifier comparer A2, diode D5, D6, triode VT1, VT2, voltage stabilizing diode DW, K switch 1 and K2;
1 of described transformer, 2 input ends as civil power, 3 of transformer, 4 is self-coupling tap, 5 of transformer, 6 is power supply and sampling tap, 5 of described transformer, 6 rectifications through commutation diode group D1-D4, commutation diode group D1-D4 is connected with integrated circuit (IC) 1 by electric capacity C1, electric capacity C1 is connected with the input cathode of amplifier comparer A1 by slide rheostat RP1, described slide rheostat RP1 is connected with integrated circuit (IC) 1 by resistance R1, described commutation diode group D1-D4 is connected with the input cathode of amplifier comparer A2 by slide rheostat RP2, described commutation diode group D1-D4 is conducted by the input anode of voltage stabilizing diode DW and amplifier comparer A2 and the input anode of amplifier comparer A1, the input cathode of described amplifier comparer A1 is A point, the input cathode of described amplifier comparer A2 is B point, the input anode of described amplifier comparer A2 and the input anode of amplifier comparer A1 are C point, described C point is connected with integrated circuit (IC) 1 by resistance R3, the output terminal of described integrated circuit (IC) 1 leads up to electric capacity C2 connecting to neutral point, one tunnel connects the power end of amplifier comparer A1, the output terminal of described amplifier comparer A1 is connected with the base stage of triode VT1 by resistance R4, the base stage of described triode VT1 is by resistance R5 connecting to neutral point, the collector of described triode VT1 is leaded up to diode D5 and is connected with the output terminal of integrated circuit (IC) 1, one tunnel is connected with K switch 1, described K1 is respectively by K switch 2, diode D6 is connected with the collector of triode VT1, the output terminal of described amplifier comparer A2 is connected with the base stage of triode VT1 by resistance R6, the base stage of described VT1 is by resistance R7 connecting to neutral point.
Further, IC1 selects LM78L06; A1, A2 select LM358; VT1, VT2 select 9013; K switch 1 and K2 select 4123, voltage is 6V; DW selects 3V stabilivolt; D1 ~ D4 selects 1N4007, and D6 selects 1N4148; What the iron core of transformer was selected is E type 24.
advantage of the present utility model and beneficial effect as follows:
RP1 and RP2 is adjusted to maximum value by the utility model after circuits assembly completes, with pressure regulator, input voltage is adjusted to 180V, then RP1 is adjusted by the adjustment of A point voltage at 2.9V, now A1 exports high level, V1 conducting, K switch 1 and K2K1 adhesive, be adjusted to 1,3 automatically by output terminal, and output voltage is about 220V; And then key depressor make input voltage be 140V(now output voltage be 180V), adjustment RP2, make B point voltage be 2.9V, now A2 exports high level, V2 conducting, K switch 1 and K2K2 adhesive, output terminal is adjusted to 1,4 automatically, makes output voltage again be elevated to about 220V.By in figure give data, when line voltage is low to moderate 120V, televisor still can normally be watched.It should be noted that: because the operating current of K switch 1 and K2 is greater than release current, output voltage has certain error, needs repeatedly to adjust RP1 and RP2, to reach optimum condition.This product facilitates and low price, burning voltage.
accompanying drawing explanation
Fig. 1 the utility model preferred embodiment self-control automatic AC voltage-stabilizing circuit diagram.
Embodiment
The embodiment providing an indefiniteness below in conjunction with accompanying drawing is further elaborated the utility model.
With reference to shown in Fig. 1, for one self-control automatic AC voltage-stabilizing circuit, it comprises transformer, commutation diode group D1-D4, electric capacity C1, slide rheostat RP1, slide rheostat RP2, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, integrated circuit (IC) 1, amplifier comparer A1, amplifier comparer A2, diode D5, D6, triode VT1, VT2, voltage stabilizing diode DW, K switch 1 and K2;
1 of described transformer, 2 input ends as civil power, 3 of transformer, 4 is self-coupling tap, 5 of transformer, 6 is power supply and sampling tap, 5 of described transformer, 6 rectifications through commutation diode group D1-D4, commutation diode group D1-D4 is connected with integrated circuit (IC) 1 by electric capacity C1, electric capacity C1 is connected with the input cathode of amplifier comparer A1 by slide rheostat RP1, described slide rheostat RP1 is connected with integrated circuit (IC) 1 by resistance R1, described commutation diode group D1-D4 is connected with the input cathode of amplifier comparer A2 by slide rheostat RP2, described commutation diode group D1-D4 is conducted by the input anode of voltage stabilizing diode DW and amplifier comparer A2 and the input anode of amplifier comparer A1, the input cathode of described amplifier comparer A1 is A point, the input cathode of described amplifier comparer A2 is B point, the input anode of described amplifier comparer A2 and the input anode of amplifier comparer A1 are C point, described C point is connected with integrated circuit (IC) 1 by resistance R3, the output terminal of described integrated circuit (IC) 1 leads up to electric capacity C2 connecting to neutral point, one tunnel connects the power end of amplifier comparer A1, the output terminal of described amplifier comparer A1 is connected with the base stage of triode VT1 by resistance R4, the base stage of described triode VT1 is by resistance R5 connecting to neutral point, the collector of described triode VT1 is leaded up to diode D5 and is connected with the output terminal of integrated circuit (IC) 1, one tunnel is connected with K switch 1, described K1 is respectively by K switch 2, diode D6 is connected with the collector of triode VT1, the output terminal of described amplifier comparer A2 is connected with the base stage of triode VT1 by resistance R6, the base stage of described VT1 is by resistance R7 connecting to neutral point.
Civil power is from 1,2 input of transformer, and 3,4 is self-coupling tap, 5,6 be control circuit power supply and sampling tap.When line voltage is normal, because C point voltage is always 3V(and R1 step-down DW voltage stabilizing gained), A, B point is all greater than 3V, therefore A1, A2 output low level; When line voltage declines, the voltage of 5,6 also declines thereupon, and A point voltage also and then declines, and when A point voltage drops to lower than 3V, A1 exports high level, makes triode V1 saturation conduction, K1 adhesive, is exported by pressure regulator and adjusts in 1,3; When line voltage continues to decline, when in like manner B point voltage is lower than 3V, (VA<VB), A2 exports high level, makes V2 saturation conduction, K2 adhesive, is exported by pressure regulator and adjusts in 1,4, to reach the object of self coupling boosting.Otherwise, if when voltage raises, B point voltage also increases, when B point voltage is higher than 3V, A2 output low level, V2 ends, and H2 discharges, and output terminal is adjusted to 1,3; When line voltage continues to raise, A point voltage is higher than 3V, A1 output low level, and V1 ends, and K1 discharges, and output terminal is adjusted to 1,2.A1, A2 are operational amplifier, are used as voltage comparator here; IC1 is three-terminal regulator block, and it provides power supply for operational amplifier and relay; D5, D6 are protection diode.
Two, the part of first device is selected
IC1 selects LM78L06; A1, A2 select LM358; VT1, VT2 select 9013; K switch 1 and K2 select 4123,
Voltage is 6V; DW selects 3V stabilivolt; D1 ~ D4 selects 1N4007, and D6 selects 1N4148; What the iron core of transformer was selected is E type 24 iron core, and also can select according to actual conditions, coil parameter is: 1 ~ 2 with 0.22mm enameled wire around 1800 circles; 2 ~ 3 enclose around 400 with 0.27mm enameled wire; 3 ~ 4 enclose around 850 with 0.27mm enameled wire, and 5 ~ 6 enclose around 145 with 0.21mm enameled wire; Other component parameters can by figure mark and select.
Three, making and adjustment method
This voltage stabilizer should be arranged in metal chassis, and there is good louvre, after circuits assembly completes, RP1 and RP2 is adjusted to maximum value, with pressure regulator, input voltage is adjusted to 180V, then adjust RP1 by the adjustment of A point voltage at 2.9V, now A1 exports high level, V1 conducting, K switch 1 adhesive, is adjusted to 1,3 automatically by output terminal, and output voltage is about 220V; And then key depressor make input voltage be 140V(now output voltage be 180V), adjustment RP2, make B point voltage be 2.9V, now A2 exports high level, V2 conducting, K switch 2 adhesive, output terminal is adjusted to 1,4 automatically, makes output voltage again be elevated to about 220V.By in figure give data, when line voltage is low to moderate 120V, televisor still can normally be watched.It should be noted that: because the operating current of relay is greater than release current, output voltage has certain error, need repeatedly to adjust RP1 and RP2, to reach optimum condition.
These embodiments are interpreted as only being not used in restriction protection domain of the present utility model for illustration of the utility model above.After the content of reading record of the present utility model, technician can make various changes or modifications the utility model, and these equivalence changes and modification fall into the utility model right equally.
The utility model discloses a kind of self-control automatic AC voltage-stabilizing circuit, it comprises transformer, commutation diode group D1-D4, electric capacity C1, slide rheostat RP1, slide rheostat RP2, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, integrated circuit (IC) 1, amplifier comparer A1, amplifier comparer A2, diode D5, D6, triode VT1, VT2, voltage stabilizing diode DW, K switch 1 and K2; This self-control automatic AC voltage-stabilizing circuit safety is convenient, guarantee voltage stabilization.
Claims (2)
1. a self-control automatic AC voltage-stabilizing circuit, it is characterized in that: comprise transformer, commutation diode group D1-D4, electric capacity C1, slide rheostat RP1, slide rheostat RP2, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, integrated circuit (IC) 1, amplifier comparer A1, amplifier comparer A2, diode D5, D6, triode VT1, VT2, voltage stabilizing diode DW, K switch 1 and K2;
1 of described transformer, 2 input ends as civil power, 3 of transformer, 4 is self-coupling tap, 5 of transformer, 6 is power supply and sampling tap, 5 of described transformer, 6 rectifications through commutation diode group D1-D4, commutation diode group D1-D4 is connected with integrated circuit (IC) 1 by electric capacity C1, electric capacity C1 is connected with the input cathode of amplifier comparer A1 by slide rheostat RP1, described slide rheostat RP1 is connected with integrated circuit (IC) 1 by resistance R1, described commutation diode group D1-D4 is connected with the input cathode of amplifier comparer A2 by slide rheostat RP2, described commutation diode group D1-D4 is conducted by the input anode of voltage stabilizing diode DW and amplifier comparer A2 and the input anode of amplifier comparer A1, the input cathode of described amplifier comparer A1 is A point, the input cathode of described amplifier comparer A2 is B point, the input anode of described amplifier comparer A2 and the input anode of amplifier comparer A1 are C point, described C point is connected with integrated circuit (IC) 1 by resistance R3, the output terminal of described integrated circuit (IC) 1 leads up to electric capacity C2 connecting to neutral point, one tunnel connects the power end of amplifier comparer A1, the output terminal of described amplifier comparer A1 is connected with the base stage of triode VT1 by resistance R4, the base stage of described triode VT1 is by resistance R5 connecting to neutral point, the collector of described triode VT1 is leaded up to diode D5 and is connected with the output terminal of integrated circuit (IC) 1, one tunnel is connected with K switch 1, described K1 is respectively by K switch 2, diode D6 is connected with the collector of triode VT1, the output terminal of described amplifier comparer A2 is connected with the base stage of triode VT1 by resistance R6, the base stage of described VT1 is by resistance R7 connecting to neutral point.
2. self-control automatic AC voltage-stabilizing circuit according to claim 1, is characterized in that: IC1 selects LM78L06; A1, A2 select LM358; VT1, VT2 select 9013; K switch 1 and K2 select 4123, voltage is 6V; DW selects 3V stabilivolt; D1 ~ D4 selects 1N4007, and D6 selects 1N4148; What the iron core of transformer was selected is E type 24.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420411283.4U CN204065890U (en) | 2014-07-24 | 2014-07-24 | A kind of self-control automatic AC voltage-stabilizing circuit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420411283.4U CN204065890U (en) | 2014-07-24 | 2014-07-24 | A kind of self-control automatic AC voltage-stabilizing circuit |
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| CN204065890U true CN204065890U (en) | 2014-12-31 |
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| CN201420411283.4U Expired - Fee Related CN204065890U (en) | 2014-07-24 | 2014-07-24 | A kind of self-control automatic AC voltage-stabilizing circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106230284A (en) * | 2016-08-16 | 2016-12-14 | 合肥耀贝软件开发有限公司 | AC voltage stabilizer circuit |
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2014
- 2014-07-24 CN CN201420411283.4U patent/CN204065890U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106230284A (en) * | 2016-08-16 | 2016-12-14 | 合肥耀贝软件开发有限公司 | AC voltage stabilizer circuit |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20150724 |
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| EXPY | Termination of patent right or utility model |