CN204129553U - A kind of low-voltage compensation formula non-contact voltage stabilizer - Google Patents
A kind of low-voltage compensation formula non-contact voltage stabilizer Download PDFInfo
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- CN204129553U CN204129553U CN201420576648.9U CN201420576648U CN204129553U CN 204129553 U CN204129553 U CN 204129553U CN 201420576648 U CN201420576648 U CN 201420576648U CN 204129553 U CN204129553 U CN 204129553U
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Abstract
The utility model discloses a kind of low-voltage compensation formula non-contact voltage stabilizer; it is characterized in that: input sampling circuit and export sample circuit and be connected with the U line of control circuit and three-phase line and W line respectively; control circuit is electrically connected with regulating circuit, output control circuit, protection circuit electricity and zero line N respectively; regulating circuit is electrically connected with the U line of compensating circuit, zero line N and three-phase line, V line and W line respectively; inlet wire installs surge protective machine additional and is electrically connected with the U line of zero line N and three-phase line, V line and W line respectively, and bypass circuit connects and is electrically connected with inlet wire and outlet respectively.The utility model voltage stabilizer is provided with " power on and automatically export " and " power on and manually export " two kinds of modes are selected for user, when output voltage off-rating about ± 10%, voltage stabilizer exports automatically turning bypass or cutting off, and send sound and light alarm, when voltage stabilizer component failure, voltage stabilizer exports automatically turning bypass or cutting off, and sends sound and light alarm.
Description
Technical field
The utility model relates to a kind of low-voltage compensation formula non-contact voltage stabilizer.
Background technology
Existing voltage stabilizer type for a change transformer tapping and carbon brush mobile access point is the AC voltage regulator existence sliding some mechanical friction of the mechanical adjusting type of major control mode and slides the shortcomings such as a tie point place sparking, and lacks necessary defencive function.
Summary of the invention
For solving above-mentioned existing shortcoming; fundamental purpose of the present utility model is the low-voltage compensation formula non-contact voltage stabilizer providing a kind of practicality, and it is primarily of unit compositions such as compensating circuit, regulating circuit, control circuit, input sampling circuit, output sample circuit, output control circuit, protection circuit, bypass circuits.
Its course of work is: when input voltage fluctuation or load change, feedback voltage is obtained by each sample circuit, through comparing judgement with reference voltage, then control signal is exported by control circuit, control corresponding turn on thyristors in regulating circuit, the bucking voltage making compensating circuit polarization and vary in size, reaches the object of regulated output voltage.Meanwhile, control circuit also controls protection circuit and output control circuit, produces corresponding action.
Defencive function: when output voltage off-rating about ± 10%, voltage stabilizer exports automatically turning bypass or cutting off, and sends sound and light alarm; When voltage stabilizer component failure, voltage stabilizer exports automatically turning bypass or cutting off, and sends sound and light alarm; When voltage stabilizer three-phase output voltage phase shortage or misphase, voltage stabilizer will cut off output automatically; When short circuit appears in output end of voltage stabilizer, isolating switch will cut off input power automatically; Voltage stabilizer manually can turn bypass and run; When voltage stabilizer enters guard mode, can sound and light alarm be sent, and be provided with warning, noise reduction selector switch; The surge protective machine of full mould protection 40kA is housed, also can capacity increasing or select import surge protective machine; Long distance control system can be installed additional, to monitor, to monitor the operation of voltage stabilizer; PD series of power wave filter can be installed additional on voltage stabilizer main circuit.
For reaching above-described object, a kind of low-voltage compensation formula non-contact voltage stabilizer of the present utility model takes following technical scheme:
A kind of low-voltage compensation formula non-contact voltage stabilizer; it is characterized in that: input sampling circuit and export sample circuit and be connected with the U line of control circuit and three-phase line and W line respectively; control circuit is electrically connected with regulating circuit, output control circuit, protection circuit electricity and zero line N respectively; regulating circuit is electrically connected with the U line of compensating circuit, zero line N and three-phase line, V line and W line respectively; inlet wire installs surge protective machine additional and is electrically connected with the U line of zero line N and three-phase line, V line and W line respectively, and bypass circuit connects and is electrically connected with inlet wire and outlet respectively.
Adopt the utility model of as above technical scheme, there is following beneficial effect:
1, voltage stabilizer adopts control turn on thyristors to carry out compensated line voltage, there is no traditional sliding point, without friction, without sparking, adopt microcontroller four line compensating fast and effectively alternating voltage, thus reach noiseless, the object such as the precision of voltage regulation is high, reaction velocity is fast, good output waveform, load capacity are strong;
2, when output voltage off-rating about ± 10%, voltage stabilizer exports automatically turning bypass or cutting off, and sends sound and light alarm;
3, when voltage stabilizer component failure, voltage stabilizer exports automatically turning bypass or cutting off, and sends sound and light alarm;
4, when voltage stabilizer three-phase output voltage phase shortage or misphase, voltage stabilizer will cut off output automatically;
5, when short circuit appears in output end of voltage stabilizer, isolating switch will cut off input power automatically;
6, voltage stabilizer manually can turn bypass operation;
7, when voltage stabilizer enters guard mode, can sound and light alarm be sent, and be provided with warning, noise reduction selector switch;
8, the surge protective machine of full mould protection 40kA is housed, also can capacity increasing or select import surge protective machine;
9, long distance control system can be installed additional, to monitor, to monitor the operation of voltage stabilizer;
10, PD series of power wave filter can be installed additional on voltage stabilizer main circuit.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present utility model.
Fig. 2 is compensation of the present utility model and regulating circuit.
Embodiment
In order to further illustrate the utility model, be described further below in conjunction with accompanying drawing:
As shown in Figure 1, a kind of low-voltage compensation formula non-contact voltage stabilizer of the present utility model, input sampling circuit and export sample circuit and be connected with the U line of control circuit and three-phase line and W line respectively, control circuit respectively with regulating circuit, output control circuit, protection circuit electricity and zero line N are electrically connected, regulating circuit respectively with compensating circuit, the U line of zero line N and three-phase line, V line and the electrical connection of W line, inlet wire install additional surge protective machine respectively with the U line of zero line N and three-phase line, V line and the electrical connection of W line, it is indispensable a kind of device in electronic equipment lightning protection, bypass circuit is connected to equipment inlet wire and outlet, when equipment failure, carry out by-path turn-on, equipment is out of service, ensure circuit normal power supply.The course of work of the present utility model is: when input voltage fluctuation or load change, feedback voltage is obtained by each sample circuit, through comparing judgement with reference voltage, then control signal is exported by control circuit, control corresponding turn on thyristors in regulating circuit, the bucking voltage making compensating circuit polarization and vary in size, reaches the object of regulated output voltage.Meanwhile, control circuit also controls protection circuit and output control circuit, produces corresponding action.
As shown in Figure 2, a kind of low-voltage compensation formula non-contact voltage stabilizer of the present utility model, when output voltage Uo is higher than ratings, require that the bucking voltage △ U on compensator transformer T1 offsets the part voltage raised, now can trigger S5 and S8 controlled silicon conducting, exchange positive half-wave time current path be: winding-S8-N under the upper winding-T2-S5-T1 of A-T1, exchange bear half-wave time electric current along above-mentioned path reversed flow (owing to employing bidirectional triode thyristor).When output voltage Uo is lower than ratings, require that the bucking voltage △ U on compensator transformer T1 supplies the part voltage of reduction, now can trigger S6 and S7 controlled silicon conducting, exchange positive half-wave time current path be: winding-S7-N under the upper winding-T2-S6-T1 of A-T1, exchange bear half-wave time electric current along above-mentioned path reversed flow.By the different silicon controlled combination of control S1 ~ S8 and break-make, the tap of changeable adjustable transformer T2, thus the size and the polarity that change bucking voltage △ U, reach the object of regulated output voltage.
Claims (1)
1. a low-voltage compensation formula non-contact voltage stabilizer; it is characterized in that: input sampling circuit and export sample circuit and be connected with the U line of control circuit and three-phase line and W line respectively; control circuit is electrically connected with regulating circuit, output control circuit, protection circuit electricity and zero line N respectively; regulating circuit is electrically connected with the U line of compensating circuit, zero line N and three-phase line, V line and W line respectively; inlet wire installs surge protective machine additional and is electrically connected with the U line of zero line N and three-phase line, V line and W line respectively, and bypass circuit connects and is electrically connected with inlet wire and outlet respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420576648.9U CN204129553U (en) | 2014-10-08 | 2014-10-08 | A kind of low-voltage compensation formula non-contact voltage stabilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420576648.9U CN204129553U (en) | 2014-10-08 | 2014-10-08 | A kind of low-voltage compensation formula non-contact voltage stabilizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204129553U true CN204129553U (en) | 2015-01-28 |
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| CN201420576648.9U Active CN204129553U (en) | 2014-10-08 | 2014-10-08 | A kind of low-voltage compensation formula non-contact voltage stabilizer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410948A (en) * | 2016-11-17 | 2017-02-15 | 江西科旺科技有限公司 | Dry type wide-range voltage stabilizer |
-
2014
- 2014-10-08 CN CN201420576648.9U patent/CN204129553U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410948A (en) * | 2016-11-17 | 2017-02-15 | 江西科旺科技有限公司 | Dry type wide-range voltage stabilizer |
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