CN204668954U - A kind of alternating voltage automatic regulating apparatus - Google Patents
A kind of alternating voltage automatic regulating apparatus Download PDFInfo
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- CN204668954U CN204668954U CN201520294021.9U CN201520294021U CN204668954U CN 204668954 U CN204668954 U CN 204668954U CN 201520294021 U CN201520294021 U CN 201520294021U CN 204668954 U CN204668954 U CN 204668954U
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- voltage
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- microprocessor
- converter
- automatic regulating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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Abstract
The utility model discloses a kind of alternating voltage automatic regulating apparatus, comprise plurality of voltages Acquisition Circuit, voltage collection circuit connects microprocessor, and microprocessor connects Circuit tuning, automatic switch-over circuit and compensating unit; Voltage collection circuit comprises the voltage transformer, low-channel filter, operational amplifier and the A/D converter that connect successively, and A/D converter is connected with microprocessor.When the normal working voltage of line voltage lower than power consumption equipment, this device automatic regulating voltage is to acceptability limit, and when line voltage returns to the normal range of operation of power consumption equipment, device automatically switches to electrical network direct feeding system.This device can be good at adapting to rural power grids running environment, and runs low in energy consumption, saves electric power resource.Be particularly useful for the Rural Power Distribution Network of quality of voltage instability.
Description
Technical field
The utility model relates to a kind of alternating voltage automatic regulating apparatus.
Background technology
Along with the whole nation is socioeconomic continual and steady and fast-developing, carrying forward vigorously and enforcement of a series of Huinong's policies such as " household electrical appliances are gone to the countryside ", electricity for rural use keeps growth faster always.But, due to factors such as major part rural power distribution line powering radius are large, conductor cross-section is little, cause supply power voltage lower, the particularly peak period of electricity consumption, make the cisco unity malfunctions such as household electrical appliance, processing of farm products machine, living pump, even burn, had a strong impact on the production of urban residents, orders of life, and causing certain economic loss, this phenomenon is exactly current rural power grids " low-voltage " problem be commonly called as.From urban residents' living guarantee, property safety, and economy operation of power grid etc. is many-sided considers, a kind of applicable rural power grids environmental condition, economical operation must be used, voltage that reliability is high adjusts automatically, switching device shifter, solve " low-voltage " problem of rural power grids peak of power consumption.
At present, market there is AC voltage regulator miscellaneous, can realize improving quality of voltage, but, the service conditions of these AC voltage regulator does not meet current rural power grids requirement substantially, and self has larger power consumption in voltage stabilizing process, and when line voltage recovers normal range (NR), pressurizer does not possess the function automatically exiting operation of power networks, further increases the electric energy loss of electrical network yet.
Summary of the invention
The purpose of this utility model is to provide a kind of alternating voltage automatic regulating apparatus, can be good at adapting to rural power grids running environment, and runs low in energy consumption, saves electric power resource.
For achieving the above object, the technical scheme that an embodiment of the present utility model is taked is:
Comprise plurality of voltages Acquisition Circuit, voltage collection circuit connects microprocessor, and microprocessor connects Circuit tuning, automatic switch-over circuit and compensating unit; Voltage collection circuit comprises the voltage transformer, low-channel filter, operational amplifier and the A/D converter that connect successively, and A/D converter is connected with microprocessor.
Preferably, microprocessor is connected with automatic switch-over circuit by amplifying circuit.
Preferably, amplifying circuit is Darlington transistor.
Preferably, Circuit tuning comprises direct current control ac solid relay and A.C. contactor.
Preferably, automatic switch-over circuit comprises solid-state relay and A.C. contactor.
Preferably, compensating unit comprises multiple compensator transformer, and the former limit Winding Design voltage of compensator transformer is 220V, and former limit winding is connected with Circuit tuning, and the vice-side winding of compensator transformer is contacted in the same way, and is connected with electric network source through commutation circuit.
The beneficial effect using alternating voltage automatic regulating apparatus of the present utility model to produce is:
1. line voltage is when acceptability limit, and main circuit is deactivated automatically, and the power consumption of himself is close to zero, and can avoid unnecessary electric energy loss;
2. voltage-regulating circuit AC contactor main contact adopt Chang Kaijia normally closed with the use of, when arbitrary compensator transformer is in operation wait state, corresponding ac contactor coil dead electricity, often open main contact and cut off the power supply of compensator transformer former limit winding, normally closed main contact by former limit winding short circuit, the loss of solenoid can be made minimum.
3. be provided with compensating unit, automatically can carry out reactive power compensation, make the reactive power of the inductive loads such as air conditioner, refrigerator, washing machine, piston type domestic water pump obtain in-situ balancing, line load electric current can be reduced, thus, improve the voltage levvl of electrical network and reduce line loss rate.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of an embodiment of a kind of alternating voltage automatic regulating apparatus of the present utility model.
Fig. 2 is the voltage acquisition control circuit schematic diagram of alternating voltage automatic regulating apparatus of the present utility model.
Fig. 3 is the system circuit diagram of an embodiment of alternating voltage automatic regulating apparatus of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
As shown in Figure 1 and Figure 2, in an embodiment of the present utility model, alternating voltage automatic regulating apparatus comprises plurality of voltages Acquisition Circuit, and voltage collection circuit connects microprocessor, and microprocessor connects Circuit tuning, automatic switch-over circuit and compensating unit; Voltage collection circuit comprises the voltage transformer, low-channel filter, operational amplifier and the A/D converter that connect successively, and A/D converter is connected with microprocessor.
Electric network source voltage, device output voltage is after analog/digital conversion, input single-chip microcomputer carries out computing and compares, formation control signal source, control the operating state of each solid-state relay, the operating state controlling corresponding A.C. contactor is gone again by solid-state relay, the former limit winding energising making one or more compensator transformers is gone to run or power-off (and short circuit) wait by the opening and closing of AC contactor touch head, form different combination voltages at compensator transformer auxiliary winding to export, due to compensator transformer auxiliary winding and electric network source series aiding connection, make its terminal voltage and line voltage phase superposition, thus reach the object of adjustment voltage.Simultaneously; when gathering voltage and reaching setting value; make the control end of corresponding solid-state relay and the coil losing electricity of A.C. contactor, automatically switch to electrical network direct feeding system or carry out protecting control, to reach the object avoiding electric energy loss and protection power consumption equipment safety.
In an embodiment of the present utility model, microprocessor is connected with automatic switch-over circuit by amplifying circuit.
With reference to figure 2, in an embodiment of the present utility model, microprocessor is connected with automatic switch-over circuit by Darlington transistor.
With reference to figure 3, in an embodiment of the present utility model, Circuit tuning direct current control ac solid relay and A.C. contactor, for performing the Voltage Cortrol instruction of voltage acquisition control circuit, the operating state of conversion compensator transformer former limit winding.
With reference to figure 3, in an embodiment of the present utility model, automatic switch-over circuit comprises solid-state relay and A.C. contactor.For receiving and perform automatic switchover and the overvoltage protection instruction of acquisition control circuit.When line voltage is more than or equal to 220V, or when output voltage is more than or equal to 250V, carry out automatically switching or protection act.
With reference to figure 3, in an embodiment of the present utility model, compensating unit comprises multiple compensator transformer, the former limit Winding Design voltage of compensator transformer is 220V, vice-side winding design voltage is respectively B1:10V, B2:20V, B3:42V, bucking voltage output valve can be respectively: 10V, 20V, (10+20) V, 42V, (10+42) V, (20+42) V and (10+20+42) V.Former limit winding is connected with Circuit tuning, and the vice-side winding of compensator transformer is contacted in the same way, and is connected with electric network source through commutation circuit.
Above-mentioned execution mode is used for explaining and the utility model is described; instead of the utility model is limited; in the protection range of spirit of the present utility model and claim, any amendment make the utility model and change, all fall into protection range of the present utility model.
Claims (6)
1. an alternating voltage automatic regulating apparatus, is characterized in that: comprise plurality of voltages Acquisition Circuit, and described voltage collection circuit connects microprocessor, and described microprocessor connects Circuit tuning, automatic switch-over circuit and compensating unit; Described voltage collection circuit comprises the voltage transformer, low-channel filter, operational amplifier and the A/D converter that connect successively, and described A/D converter is connected with microprocessor.
2. device according to claim 1, is characterized in that: described microprocessor is connected with described automatic switch-over circuit by amplifying circuit.
3. device according to claim 2, is characterized in that: described amplifying circuit is Darlington transistor.
4. device according to claim 1 and 2, is characterized in that: described Circuit tuning comprises direct current control ac solid relay and A.C. contactor.
5. device according to claim 1 and 2, is characterized in that: described automatic switch-over circuit comprises solid-state relay and A.C. contactor.
6. device according to claim 1 and 2, it is characterized in that: described compensating unit comprises multiple compensator transformer, the former limit Winding Design voltage of described compensator transformer is 220V, described former limit winding is connected with Circuit tuning, the vice-side winding of described compensator transformer is contacted in the same way, and is connected with electric network source through commutation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520294021.9U CN204668954U (en) | 2015-05-08 | 2015-05-08 | A kind of alternating voltage automatic regulating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520294021.9U CN204668954U (en) | 2015-05-08 | 2015-05-08 | A kind of alternating voltage automatic regulating apparatus |
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| Publication Number | Publication Date |
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| CN204668954U true CN204668954U (en) | 2015-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520294021.9U Expired - Fee Related CN204668954U (en) | 2015-05-08 | 2015-05-08 | A kind of alternating voltage automatic regulating apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104917182A (en) * | 2015-05-08 | 2015-09-16 | 四川明珠水利电力股份有限公司射洪变压器厂 | Alternating-current voltage automatic adjustment device |
| CN108092271A (en) * | 2017-12-15 | 2018-05-29 | 河南工业职业技术学院 | Phase three-wire three series type dynamic voltage compensation device |
-
2015
- 2015-05-08 CN CN201520294021.9U patent/CN204668954U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104917182A (en) * | 2015-05-08 | 2015-09-16 | 四川明珠水利电力股份有限公司射洪变压器厂 | Alternating-current voltage automatic adjustment device |
| CN108092271A (en) * | 2017-12-15 | 2018-05-29 | 河南工业职业技术学院 | Phase three-wire three series type dynamic voltage compensation device |
| CN108092271B (en) * | 2017-12-15 | 2018-09-28 | 河南工业职业技术学院 | Phase three-wire three series type dynamic voltage compensation device |
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| Date | Code | Title | Description |
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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: 20150923 Termination date: 20170508 |
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| CF01 | Termination of patent right due to non-payment of annual fee |