CN202732418U - Exhaust fan speed regulator - Google Patents
Exhaust fan speed regulator Download PDFInfo
- Publication number
- CN202732418U CN202732418U CN 201220432691 CN201220432691U CN202732418U CN 202732418 U CN202732418 U CN 202732418U CN 201220432691 CN201220432691 CN 201220432691 CN 201220432691 U CN201220432691 U CN 201220432691U CN 202732418 U CN202732418 U CN 202732418U
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- CN
- China
- Prior art keywords
- exhaust fan
- speed
- ventilating fan
- long
- speed regulator
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- Expired - Fee Related
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Abstract
The utility model discloses an exhaust fan speed regulator. The exhaust fan speed regulator is characterized by comprising a 220V alternating current, a resistance-capacitance phase-shifting circuit, a bidirectional triode thyristor control circuit and an exhaust fan. The exhaust fans in the market have the common characteristic that the exhaust fan has only one rotation speed, and the rotation speed of the exhaust fan can not be regulated manually. When the room or closed space needs long-time ventilation, the exhaust fan must operate at full speed, so that the electric power is wasted, and the exhaust fan motor can become overheated and burnt out due to long-time operation. The exhaust fan speed regulator disclosed by the utility model can regulate the operating speed of the exhaust fan according to needs. When the room needs quick ventilation, the exhaust fan can operate at full speed; and when the room needs long-time ventilation, the exhaust fan can operate at lower speed, thereby effectively preventing unnecessary waste of electric power, and effectively protecting the exhaust fan motor from being overheated and burnt out due to long-time operation. The utility model is suitable for developing novel exhaust fans with speed regulation function.
Description
Technical field
The utility model belongs to the electronic technology application field, relates to a kind of ventilating fan speed regulator.
Background technique
At present, the common feature of various ventilating fans is: the rotating speed of ventilating fan only has a kind of speed, manually can't regulate the running speed of ventilating fan.When room or confined space need long-time ventilation, can only allow the ventilating fan full-speed operation, so both wasted electric power, also make easily the ventilating fan motor because of overheated being burned that work long hours.
Ventilating fan speed regulator described in the utility model can be adjusted the running speed of ventilating fan as required.When the room needs fast ventilation, can allow the ventilating fan full speed operation; When the room needs long-time ventilation, can allow ventilating fan with lower rotary speed working, so both can effectively stop unnecessary power wastage, can also effectively protect the ventilating fan motor can not be burned because long time running is overheated.
Below describe ventilating fan speed regulator described in the utility model related relevant technologies content in implementation process in detail.
The model utility content
Goal of the invention and beneficial effect: the common feature of ventilating fan is on the market: the rotating speed of ventilating fan only has a kind of speed, manually can't regulate the running speed of ventilating fan.When room or confined space need long-time ventilation, can only allow the ventilating fan full-speed operation, so both waste electric power, also make easily the ventilating fan motor because of overheated the burning out that work long hours.
Ventilating fan speed regulator described in the utility model can be adjusted the running speed of ventilating fan as required.When the room needs fast ventilation, can allow the ventilating fan full speed operation; When the room needs long-time ventilation, can allow ventilating fan with lower speed operation, so both can effectively stop unnecessary power wastage, can also effectively protect the ventilating fan motor can not be burned because long time running is overheated.
It is simple that ventilating fan speed regulator described in the utility model has a circuit, all uses common components and parts, and fabricating cost only needs ten yuan, is well suited in batches exploitation, also is suitable for the Novel exhaust fan that factory's exploitation has speed-regulating function.
The circuit working principle: in the circuit of ventilating fan speed regulator, rc phase shifter circuit is comprised of linear potentiometer RP, adaptive resistance R 1, capacitor C 1 and two-way triggering diode KS, and rc phase shifter circuit is being controlled the angle of flow of bidirectional triode thyristor SCR.When capacitor C 1 both end voltage when adaptive resistance R 1 and linear potentiometer RP charging rises to two-way triggering diode KS conducting voltage, the bidirectional triode thyristor SCR conducting that is triggered, make the ventilating fan entry into service, the resistance of linear adjustment potentiometer RP can change capacitor C 1 charge rate, thereby change the angle of flow of bidirectional triode thyristor SCR when the positive and negative half cycle of 220V Ac, so that ventilating fan obtains different alternating voltages; When the resistance of linear potentiometer RP reduces, the angle of flow of bidirectional triode thyristor SCR when the positive and negative half cycle of 220V Ac will increase, and the alternating voltage that ventilating fan is obtained and then increases, and the rotating speed of ventilating fan just increases; Otherwise when the resistance of linear potentiometer RP increased, the angle of flow of bidirectional triode thyristor SCR when the positive and negative half cycle of 220V Ac will diminish, and the alternating voltage that ventilating fan is obtained and then reduces, and the rotating speed of ventilating fan also decreases; By adjusting the resistance of linear potentiometer RP, realized the purpose of ventilating fan speed governing.
Technological scheme: the ventilating fan speed regulator, it is comprised of 220V Ac, rc phase shifter circuit, control circuit of bidirectional thyristor and ventilating fan, and its feature comprises:
Rc phase shifter circuit: formed by linear potentiometer RP, adaptive resistance R 1, capacitor C 1 and two-way triggering diode KS, the control utmost point G of the termination bidirectional triode thyristor SCR of two-way triggering diode KS, one end of another termination capacitor C 1 of two-way triggering diode KS and an end of adaptive resistance R 1, the zero line side N of another termination 220V Ac of capacitor C 1, an end and the movable arm thereof of the other end wiring potentiometer RP of adaptive resistance R 1, the first anode T1 of another termination bidirectional triode thyristor SCR of linear potentiometer RP;
The first anode T1 of bidirectional triode thyristor SCR in the control circuit of bidirectional thyristor connects an end of ventilating fan, the live wire end L of another termination 220V Ac of ventilating fan, and the second plate T2 of bidirectional triode thyristor SCR meets the zero line side N of 220V Ac.
Description of drawings
Accompanying drawing 1 is the embodiment's of ventilating fan speed regulator that provides of the utility model circuit working schematic diagram.
Embodiment
Technical requirements according to the components and parts of the circuit working schematic diagram of ventilating fan speed regulator shown in the accompanying drawing 1 and description of drawings and the following stated is implemented, and can realize the utility model.
The selection of components and parts and technical parameter thereof
KS is bidirectional trigger diode, and the model of selecting is BCR3AM or 2CTS;
SCR is bidirectional triode thyristor, and the model of selecting is 3CTSI or DB3;
It is the 1W metal film resister that resistance is selected RTX-1 type power, and adaptive resistance R 1 resistance is 8.2～12K Ω; The resistance of linear potentiometer RP is 27K Ω;
Capacitor C 1 is selected electric capacity of the dacron, capacity is 0.1 μ F, require capacitor C 1 withstand voltage 〉=200V;
The power that requires the ventilating fan motor to select is 35～60W.
Circuit production main points and circuit debugging
When making the circuit of ventilating fan speed regulator, as long as the electronic parts and components performance of selecting is intact, and the components and parts annexation in the accompanying drawing is welded to specifications, physical connection line and welding quality through carefully check errorless after, circuit is as long as debugging can work a little;
When circuit debugging, at first should in circuit, access the ventilating fan of 35～60W, linear adjustment potentiometer RP changes the alternating current voltage at ventilating fan two ends between 130～218V, if the voltage change interval differs larger, can suitably adjust resistance or the different linear potentiometer RP of transposing resistance of adaptive resistance R 1;
When circuit debugging, first potentiometer RP is transferred to resistance for arriving the minimum value position, the alternating voltage of surveying ventilating fan motor two ends with multimeter should more than 200V, if be lower than the resistance that 200V can slightly reduce adaptive resistance R 1, make it to reach requirement;
The resistance of then adjusting linear potentiometer RP makes ventilating fan respectively in maximum speed and minimum speed running, and the circuit of adjusting can formally use.
Claims (1)
1. ventilating fan speed regulator, it is comprised of 220V Ac, rc phase shifter circuit, control circuit of bidirectional thyristor and ventilating fan, and its feature comprises:
Rc phase shifter circuit is comprised of linear potentiometer RP, adaptive resistance R 1, capacitor C 1 and two-way triggering diode KS, the control utmost point G of the termination bidirectional triode thyristor SCR of two-way triggering diode KS, one end of another termination capacitor C 1 of two-way triggering diode KS and an end of adaptive resistance R 1, the zero line side N of another termination 220V Ac of capacitor C 1, an end and the movable arm thereof of the other end wiring potentiometer RP of adaptive resistance R 1, the first anode T1 of another termination bidirectional triode thyristor SCR of linear potentiometer RP;
The first anode T1 of bidirectional triode thyristor SCR in the control circuit of bidirectional thyristor connects an end of ventilating fan, the live wire end L of another termination 220V Ac of ventilating fan, and the second plate T2 of bidirectional triode thyristor SCR meets the zero line side N of 220V Ac.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220432691 CN202732418U (en) | 2012-08-28 | 2012-08-28 | Exhaust fan speed regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220432691 CN202732418U (en) | 2012-08-28 | 2012-08-28 | Exhaust fan speed regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202732418U true CN202732418U (en) | 2013-02-13 |
Family
ID=47658122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220432691 Expired - Fee Related CN202732418U (en) | 2012-08-28 | 2012-08-28 | Exhaust fan speed regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202732418U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103532479A (en) * | 2013-11-01 | 2014-01-22 | 科都电气有限公司 | Motor speed controller |
-
2012
- 2012-08-28 CN CN 201220432691 patent/CN202732418U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103532479A (en) * | 2013-11-01 | 2014-01-22 | 科都电气有限公司 | Motor speed controller |
| CN103532479B (en) * | 2013-11-01 | 2016-05-11 | 科都电气有限公司 | A kind of machine governor |
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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: 20130213 Termination date: 20130828 |