CN201569929U - AC voltage controller - Google Patents
AC voltage controller Download PDFInfo
- Publication number
- CN201569929U CN201569929U CN2009202158508U CN200920215850U CN201569929U CN 201569929 U CN201569929 U CN 201569929U CN 2009202158508 U CN2009202158508 U CN 2009202158508U CN 200920215850 U CN200920215850 U CN 200920215850U CN 201569929 U CN201569929 U CN 201569929U
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- China
- Prior art keywords
- relay
- unit
- autotransformer
- pressure drop
- input end
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- Expired - Fee Related
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Abstract
The utility model discloses an AC voltage controller with lower cost and lower using environment requirements. The AC voltage controller comprises a pressure drop unit and a central control unit, wherein the pressure drop unit is connected with commercial power. The AC voltage controller further comprises a relay driving unit, a relay unit and an autotransformer. The pressure drop unit, the central control unit, the relay driving unit, and the control terminal of the relay in the relay unit are connected in sequence; the autotransformer is provided with a plurality of input terminals used for dividing input voltage, and the amount of the input terminals is equal to that of the input terminals of the relay unit; the input terminals of the relay unit are connected with the commercial power; and the output terminals of the relay unit are in one-one correspondence with the input terminals of the autotransformer.
Description
Technical field
The utility model relates to the alternating voltage controller that is used to provide burning voltage output.
Background technology
At present, in the environment of extraneous input voltage fluctuation or change, the general stabilized voltage supply of using provides stable voltage output, described stabilized voltage supply generally adopts the combination of electronic switch and comparer to realize, the IGBT that uses components and parts costs such as (insulated gate bipolar transistors) is higher, and essential configuration radiating piece and fan, thereby make existing stabilized voltage supply generally have cost higher, to the demanding defective of environment for use.
The utility model content
The technical problems to be solved in the utility model is, provide a kind of cost lower, environment for use is required low alternating voltage controller.
The technical solution of the utility model is, the utility model alternating voltage controller, and it comprises pressure drop unit, central control unit, and the pressure drop unit is electrically connected with the city, and it also comprises relay drive unit, relay group and autotransformer; The control end of the relay in described pressure drop unit, central control unit, relay drive unit, the relay group connects in regular turn; Described autotransformer has a plurality of input ends that are used to divide input voltage, the number of this input end equates with the number of the input end of relay group, the input end of described relay group is electrically connected with the city, and the output terminal of relay group and the input end of autotransformer connect one to one.
After adopting said structure, the utility model compared with prior art has the following advantages: because it also comprises relay drive unit, relay group and autotransformer; The control end of the relay in described pressure drop unit, central control unit, relay drive unit, the relay group connects in regular turn; Described autotransformer has a plurality of input ends that are used to divide input voltage, the number of this input end equates with the number of the input end of relay group, the input end of described relay group is electrically connected with the city, the output terminal of relay group and the input end of autotransformer connect one to one, like this, by relay group and the characteristics of utilizing autotransformer, under the situation of extraneous input voltage fluctuation or change, stable voltage output can be provided, the input voltage that promptly adapts to extraneous change by relay group change autotransformer input end coil turn and output terminal coil turn ratio value, make output voltage keep stable, because adopted commonly used, cheap, the relay of dependable performance, autotransformer makes that to the utlity model has cost lower, environment for use is required low advantage.
As improvement, described relay is a solid-state relay, and the solid-state relay noise is very low, be quick on the draw, long service life, more helps the raising of the utility model performance.
Description of drawings
Fig. 1 is the theory diagram of the utility model alternating voltage controller.
Fig. 2 is the structural representation of the utility model alternating voltage controller.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
The utility model alternating voltage controller, it comprises pressure drop unit, central control unit, and the pressure drop unit is electrically connected with the city, and it also comprises relay drive unit, relay group and autotransformer; The control end of the relay in described pressure drop unit, central control unit, relay drive unit, the relay group connects in regular turn; Described autotransformer has a plurality of input ends that are used to divide input voltage, the number of this input end equates with the number of the input end of relay group, the input end of described relay group is electrically connected with the city, and the output terminal of relay group and the input end of autotransformer connect one to one.Described pressure drop unit, central control unit, relay drive unit are placed in the control enclosure.Said structure is shown in Fig. 1 or 2.
Described pressure drop unit is made up of transformer, a plurality of diode and optocoupler, and the signal of the voltage fluctuation situation of central control unit monitoring civil power is provided on the one hand, and 5V and 12V two-way power supply are provided on the other hand, is prior art.
Described relay is a solid-state relay, and nominal control volatge is 12V, is provided by the pressure drop unit.
Described central control unit is that core constitutes by chip AT90PWM2, has the ability of voltage monitoring; Described relay drive unit is chip ULN2830A.
In this example, the number of described relay is 24, three compose in parallel one group, eight groups altogether, be that the input end of described relay group and the number of output terminal are eight, adopt three purposes that compose in parallel a group to be by big electric current, protective relay, three groups input end wherein is connected with the live wire of civil power, and other five groups input end is connected with the zero line of civil power; Autotransformer is the self coupling booster transformer, it has eight input ends and two output terminals, two output terminals provide 220V and two burning voltage outputs of 380V, concrete structure is as shown in Figure 2 (among the figure because of as space is limited, coil turn does not accurately draw, but this does not hinder the interior those skilled in the art of the industry to understanding of the present utility model and utilization), break-make combination by eight group relaies, make the utility model can adapt to regulation of line voltage as shown in the table, adjacent electric pressure be spaced apart 12V, beat " X " and represent this group relay (such as, switch 1) closure.
The also available contactor of described relay group replaces, and in this example, can adopt eight to possess by the contactor of big electric current and form the contactor group, and the break-make combination by the contactor group makes the utility model can adapt to different input voltages.
Claims (2)
1. alternating voltage controller, it comprises pressure drop unit, central control unit, and the pressure drop unit is electrically connected with the city, it is characterized in that, and it also comprises relay drive unit, relay group and autotransformer; The control end of the relay in described pressure drop unit, central control unit, relay drive unit, the relay group connects in regular turn; Described autotransformer has a plurality of input ends that are used to divide input voltage, the number of this input end equates with the number of the input end of relay group, the input end of described relay group is electrically connected with the city, and the output terminal of relay group and the input end of autotransformer connect one to one.
2. alternating voltage controller according to claim 1 is characterized in that, described relay is a solid-state relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202158508U CN201569929U (en) | 2009-12-30 | 2009-12-30 | AC voltage controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202158508U CN201569929U (en) | 2009-12-30 | 2009-12-30 | AC voltage controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201569929U true CN201569929U (en) | 2010-09-01 |
Family
ID=42662226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202158508U Expired - Fee Related CN201569929U (en) | 2009-12-30 | 2009-12-30 | AC voltage controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201569929U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103354386A (en) * | 2013-05-15 | 2013-10-16 | 佛山市上驰电源科技有限公司 | Single-in and single-out parallel online UPS (uninterrupted power supply) |
-
2009
- 2009-12-30 CN CN2009202158508U patent/CN201569929U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103354386A (en) * | 2013-05-15 | 2013-10-16 | 佛山市上驰电源科技有限公司 | Single-in and single-out parallel online UPS (uninterrupted power supply) |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100901 Termination date: 20121230 |