CN2735649Y - High-voltage DC power supply for electric dust collector - Google Patents
High-voltage DC power supply for electric dust collector Download PDFInfo
- Publication number
- CN2735649Y CN2735649Y CN 200420014080 CN200420014080U CN2735649Y CN 2735649 Y CN2735649 Y CN 2735649Y CN 200420014080 CN200420014080 CN 200420014080 CN 200420014080 U CN200420014080 U CN 200420014080U CN 2735649 Y CN2735649 Y CN 2735649Y
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- CN
- China
- Prior art keywords
- voltage
- power supply
- transformer
- phase
- dust collector
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a power supply for the electric dust collector, in particular to a high-voltage DC power supply for electric dust collector, comprising an AC transformer and a current regulator. The utility model is characterized in that the AC transformer is a three-phase AC transformer, and the current regulator is a three-phase current regulator. The utility model has the advantages that output voltage flutter is small, the power factor of the power supply is high, the electric dust collector can be supplied with high average DC voltage, and the three-phase of the electric network can be ensured to supply power in a balancing mode in actual use; the utility model also has the advantages that the stableness of the output and the input current can be automatically adjusted as the changes of the working conditions of the electric dust collector through a control circuit, the good matching with the load can be ensured, the output power of the unit set is improved, etc.
Description
Technical field
The utility model relates to a kind of electric cleaner power supply, particularly a kind of high-voltage DC power supply that is used for electric cleaner.
Background technology
At present, the power supply that is used on the electric cleaner all is single-phase.So the output voltage pulsation is big, can be not high to the mean direct voltage that electric cleaner provides, the power factor is low, is difficult to guarantee the three-phase balanced power supply of electrical network during actual the use.
Summary of the invention
At above problem, the purpose of this utility model provides the high-voltage DC power supply that is used for electric cleaner that a kind of output voltage pulsation is little, can guarantee the three-phase balanced power supply of electrical network when electric cleaner provide high mean direct voltage, power factor height and actual the use.
A kind of high-voltage DC power supply that is used for electric cleaner comprises AC transformer and rectifier, it is characterized in that: AC transformer is a three-phase ac transformer, and rectifier is a three-phase rectifier.
For making power supply adjust output automatically with the variation of electric cleaner working condition, establish at the output of rectifier sample circuit is housed by control circuit.For making input current steady, make the output of power supply more stable, on the input of AC transformer, establish reactor is housed.In order to guarantee that power supply and load can matched well, selector switch is housed establishing between reactor and AC transformer or between AC transformer and rectifier.For integration, reduced volume reduces cost, and is convenient to assembling and outfit, and whole power supply preferably is placed in the same fuel tank, promptly together is arranged in the fuel tank of transformer.
The utility model not only has the advantage that the output voltage pulsation is little, can guarantee the three-phase balanced power supply of electrical network when electric cleaner provide high mean direct voltage, power factor height and actual the use, also have can by control circuit with the variation of electric cleaner working condition adjust automatically output, input current steadily, can guarantee and the advantages such as power output of load matched well and raising separate unit power supply, be a kind of desirable renewal product.
Description of drawings
Fig. 1 is a structural representation of the present utility model,
Fig. 2 is an another kind of structural representation of the present utility model,
Fig. 3 is another structural representation of the present utility model,
Fig. 4 is the 4th a kind of structural representation of the present utility model,
Fig. 5 is the 5th a kind of structural representation of the present utility model.
Among the figure: reactor 1, transformer 2, selector switch 3, rectifier 4, sample circuit 5, filter 6, deduster 7.
Embodiment
Describe in detail below in conjunction with drawings and Examples:
Among Fig. 1, the elementary winding of three-phase voltage increasing transformer 2 adopts triangle to connect, and secondary winding adopts Y-connection.The three-phase alternating-current supply a of input, b, c sends into reactor 1, reactor 1 carries out the electric current of the AC power of input to send into three-phase transformer 2 elementary winding inputs behind the smothing filtering, three-phase voltage increasing transformer 2 boosts the three-phase alternating-current supply of input, three-phase alternating-current supply after boosting is delivered to three-phase commutation bridge 4, three-phase commutation bridge 4 converts three-phase alternating voltage to the direct voltage of negative polarity, take out secondary voltages and secondary current signal for the control circuit use through secondary current and secondary voltage sample circuit 5, Shu Chu direct voltage is delivered to electric cleaner electric field load 7 through RL circuit 6 simultaneously.
The elementary winding of three-phase transformer among Fig. 2 is that triangle connects, secondary winding is Y-connection.The three-phase alternating-current supply a of input, b, c sends into reactor 1, reactor 1 carries out the electric current of the AC power of input to send into three-phase transformer 2 elementary winding inputs behind the smothing filtering, three-phase voltage increasing transformer 2 boosts the three-phase alternating-current supply of input, three-phase alternating-current supply after boosting is delivered to three-phase commutation bridge 4 through selector switch 3, three-phase commutation bridge 4 converts three-phase alternating voltage to the direct voltage of negative polarity, take out secondary voltages and secondary current signal for the control circuit use through secondary current and secondary voltage sample circuit 5, Shu Chu direct voltage is delivered to electric cleaner electric field load 7 through RL circuit 6 simultaneously.
Among Fig. 3, except that the elementary winding employing Y-connection of three-phase voltage increasing transformer 2, remainder is identical with Fig. 2.
In Fig. 4, be with after the elementary winding of three-phase voltage increasing transformer 2 and reactor 1 serial connection more in the lump triangle is connected secondary winding employing Y-connection.The three-phase alternating-current supply a of input, b, c sends into reactor 1, reactor 1 carries out the electric current of the AC power of input to send into three-phase transformer 2 elementary winding inputs behind the smothing filtering, three-phase voltage increasing transformer 2 boosts the three-phase alternating-current supply of input, three-phase alternating-current supply after boosting is delivered to three-phase commutation bridge 4 through selector switch 3, three-phase commutation bridge 4 converts three-phase alternating voltage to the direct voltage of positive polarity, take out secondary voltages and secondary current signal for the control circuit use through secondary current and secondary voltage sample circuit 5, Shu Chu direct voltage is delivered to electric cleaner electric field load 7 through RL circuit 6 simultaneously.The positive polarity direct voltage that this circuit produces also can be used for desulphurization denitration.
The elementary winding and the secondary winding of the three-phase voltage increasing transformer 2 among Fig. 5 all adopt Y-connection.The three-phase alternating-current supply a of input, b, c sends into reactor 1, reactor 1 carries out smothing filtering after selector switch 3 is sent into three-phase transformer 2 elementary winding inputs with the electric current of the AC power of input, three-phase voltage increasing transformer 2 boosts the three-phase alternating-current supply of input, three-phase alternating-current supply after boosting is delivered to three-phase commutation bridge 4, three-phase commutation bridge 4 converts three-phase alternating voltage to the direct voltage of negative polarity, take out secondary voltages and secondary current signal for the control circuit use through secondary current and secondary voltage sample circuit 5, Shu Chu direct voltage is delivered to electric cleaner electric field load 7 through RL circuit 6 simultaneously.
Claims (9)
1, a kind of high-voltage DC power supply that is used for electric cleaner comprises AC transformer (2) and rectifier (4), it is characterized in that: AC transformer (2) is a three-phase ac transformer, and rectifier (4) is a three-phase rectifier.
2, the high-voltage DC power supply that is used for electric cleaner according to claim 1 is characterized in that: establish at the output of rectifier (4) sample circuit (5) is housed.
3, the high-voltage DC power supply that is used for electric cleaner according to claim 1 and 2 is characterized in that: establish on the input of AC transformer (2) reactor (1) is housed.
4, the high-voltage DC power supply that is used for electric cleaner according to claim 3 is characterized in that: be provided with selector switch (3) between reactor (1) and AC transformer (2) or between AC transformer (2) and rectifier (4).
5, the high-voltage DC power supply that is used for electric cleaner according to claim 4, it is characterized in that: whole power supply is positioned in the same fuel tank.
6, the high-voltage DC power supply that is used for electric cleaner according to claim 3, it is characterized in that: whole power supply is positioned in the same fuel tank.
7, the high-voltage DC power supply that is used for electric cleaner according to claim 1 and 2 is characterized in that: be provided with selector switch (3) between reactor (1) and AC transformer (2) or between AC transformer (2) and rectifier (4).
8, the high-voltage DC power supply that is used for electric cleaner according to claim 7, it is characterized in that: whole power supply is positioned in the same fuel tank.
9, the high-voltage DC power supply that is used for electric cleaner according to claim 1 and 2, it is characterized in that: whole power supply is positioned in the same fuel tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420014080 CN2735649Y (en) | 2004-09-25 | 2004-09-25 | High-voltage DC power supply for electric dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420014080 CN2735649Y (en) | 2004-09-25 | 2004-09-25 | High-voltage DC power supply for electric dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2735649Y true CN2735649Y (en) | 2005-10-19 |
Family
ID=35265510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420014080 Expired - Fee Related CN2735649Y (en) | 2004-09-25 | 2004-09-25 | High-voltage DC power supply for electric dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2735649Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104660068A (en) * | 2015-03-04 | 2015-05-27 | 阮自恒 | Portable voltage booster mounted on electric vehicle |
| CN106452121A (en) * | 2016-10-31 | 2017-02-22 | 北京航天斯达科技有限公司 | Adjustable excitation power supply of electric vibration table |
-
2004
- 2004-09-25 CN CN 200420014080 patent/CN2735649Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104660068A (en) * | 2015-03-04 | 2015-05-27 | 阮自恒 | Portable voltage booster mounted on electric vehicle |
| CN106452121A (en) * | 2016-10-31 | 2017-02-22 | 北京航天斯达科技有限公司 | Adjustable excitation power supply of electric vibration table |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |