CN109217771A - Single phase ac regulation speed-changing draught fan - Google Patents
Single phase ac regulation speed-changing draught fan Download PDFInfo
- Publication number
- CN109217771A CN109217771A CN201710514376.8A CN201710514376A CN109217771A CN 109217771 A CN109217771 A CN 109217771A CN 201710514376 A CN201710514376 A CN 201710514376A CN 109217771 A CN109217771 A CN 109217771A
- Authority
- CN
- China
- Prior art keywords
- single phase
- draught fan
- blower
- changing draught
- regulation speed
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
- H02P25/04—Single phase motors, e.g. capacitor motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/02—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using supply voltage with constant frequency and variable amplitude
Abstract
A kind of single phase ac regulation speed-changing draught fan, its main feature is that motor power input be in series with it is silicon-controlled.It solve using frequency converter adjust blower speed change it is at high cost, and interfere online other equipment operation the problem of, be widely applicable to power 1KW single phase ac blower below.
Description
Technical field
The present invention relates to field of household appliances, specifically a kind of blow-up for changing motor rotary speed by thyristor regulating section voltage
Flow fan.
Background technique
The single phase ac blower used on present society is all that blower motor is connected with frequency converter, by changing input frequency
Rate realizes blower speed change.The disadvantage is that frequency converter purchase cost is high, harmonic pollution power grid is generated, online other equipment is interfered to transport
Row；The PWM wave of output will cause the additional fever of motor, cable.
Summary of the invention
The present invention is at high cost using frequency converter adjusting blower speed change to solve, and interferes asking for online other equipment operation
Topic devises a kind of blower that speed change is realized by silicon-controlled voltage regulation.
The technical scheme is that a kind of single phase ac regulation speed-changing draught fan, is characterized in that, in the power supply of motor
Input terminal is in series with silicon-controlled.By the silicon-controlled voltage for adjusting blower motor, changes the torque and torsion of blower, make blower
Revolving speed changes.
The solution have the advantages that by adopting the above technical scheme, it may be implemented that a kind of structure is simple, easy to operate list
Mutually exchange pressure-regulating speed-changing draught fan.It is controlled by the partial pressure of thyristor operating angle, adjusts the voltage at blower motor both ends, changes wind
The output torque of machine motor, torsion not only realize the speed change of the single phase ac blower of low cost, but also in the blower slow-speed of revolution
When, electric energy can be largely saved, realizes energy conservation and environmental protection purpose.
Detailed description of the invention
Fig. 1 is structural front view of the invention, and the attached drawing that makes an abstract.
1 motor, 2 motor power input terminals, 3 silicon-controlled in the figure.
Specific embodiment
Example with reference to the accompanying drawing, the present invention is further described.
As shown, being in series with silicon-controlled 3 on the motor power input terminal 2 of motor 1.Blower is adjusted by silicon-controlled 3
The voltage of motor 1 makes the revolving speed of blower change.
Claims (1)
1. a kind of single phase ac regulation speed-changing draught fan, it is characterized in that: motor power input be in series with it is silicon-controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710514376.8A CN109217771A (en) | 2017-06-29 | 2017-06-29 | Single phase ac regulation speed-changing draught fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710514376.8A CN109217771A (en) | 2017-06-29 | 2017-06-29 | Single phase ac regulation speed-changing draught fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109217771A true CN109217771A (en) | 2019-01-15 |
Family
ID=64960679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710514376.8A Pending CN109217771A (en) | 2017-06-29 | 2017-06-29 | Single phase ac regulation speed-changing draught fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109217771A (en) |
-
2017
- 2017-06-29 CN CN201710514376.8A patent/CN109217771A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190115 |
|
| WD01 | Invention patent application deemed withdrawn after publication |