CN203023094U - Fan temperature-control speed-regulation circuit - Google Patents
Fan temperature-control speed-regulation circuit Download PDFInfo
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- CN203023094U CN203023094U CN 201320001195 CN201320001195U CN203023094U CN 203023094 U CN203023094 U CN 203023094U CN 201320001195 CN201320001195 CN 201320001195 CN 201320001195 U CN201320001195 U CN 201320001195U CN 203023094 U CN203023094 U CN 203023094U
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- resistance
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- fan
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Abstract
The utility model discloses a fan control circuit, and in particular relates to a fan temperature-control speed-regulation circuit which comprises a voltage stabilizing circuit consisting of a current-limiting resistor R4, a capacitor C3 and a voltage stabilizing diode VS, a multivibrator consisting of a resistor R1, a resistor R2, a resistor R3, a capacitor C1, a capacitor C2 and a thermistor RT, and a control execution circuit consisting of a resistor R5, a thyristor VT and a fan motor M. The fan control circuit has the advantages that due to the voltage stabilizing circuit consisting of the current-limiting resistor R4, the capacitor C3 and the voltage stabilizing diode VS, the multivibrator consisting of the resistor R1, theresistor R2, the resistor R3, the capacitor C1, the capacitor C2 and the thermistor RT, and the control execution circuit consisting of the resistor R5, the thyristor VT and the fan motor M, the rotation speed of a fan can be automatically regulated according to indoor temperature so as to achieve the optimal comfort level; and furthermore, unnecessary energy waste can be reduced due to the automatic temperature regulation, so that the requirement on energy conservation is met.
Description
Technical field
The utility model relates to a kind of electric fan control circuit, especially a kind of temp. control of fan alignment circuit.
Background technique
Fan is modal electrical equipment in life and production, such as radiator, the Heat sink of domestic electric fan, industrial ventilating fan, kitchen smoke extractor, computer etc.In a lot of real life production processes, fan can not variation with temperature be regulated wind speed mostly, rotation speed of the fan with temperature control not only can overcome night the people have a rest after indoor air temperature descend, and the constant problem of rotation speed of the fan, the control of temperature is also directly and keep the safety in production, enhance productivity, guarantee that the great technical-economic indexes such as quality of product, energy saving interrelate.Therefore the rotating speed that utilization temperature-control circuit that can be good in real life is regulated fan not only can bring many convenience to life production, and saving power, realize sustainable development to a great extent.
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Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of rotating speed of fan that makes can be slack-off along with the reduction of temperature, turns fast temp. control of fan alignment circuit along with the rising of temperature.
in order to solve the problems of the technologies described above, temp. control of fan alignment circuit of the present utility model comprises the mu balanced circuit that is comprised of current-limiting resistance R4, capacitor C 3 and reference diode VS, the multi-vibrator that is comprised of resistance R l, resistance R 2, resistance R 3, capacitor C l, capacitor C 2 and thermistor RT and the control executive circuit that is comprised of resistance R 5, thyristor VT and fan motor M, the 1 pin ground connection of time-base integrated circuit IC, 2 pins and the node place that is connected in after 6 pins are in parallel between resistance R 3 and capacitor C 2, one end ground connection of capacitor C 2, the other end of capacitor C 2 is connected with resistance R 3, resistance R 3 is connected with resistance R 2, node place between resistance R 3 and resistance R 2 is connected 7 pins of time-base integrated circuit IC, the other end of resistance R 2 respectively with diode VS, capacitor C 3, current-limiting resistance R4, 4 pins of time-base integrated circuit IC with are connected pin and connect, diode VS and capacitor C 3 be ground connection respectively, current-limiting resistance R4 and thermistor RT and capacitor C 1 together are parallel on the control circuit of a DC electrical source, capacitor C 1 is connected with resistance R 1, resistance R 1 the other end ground connection, node place between capacitor C 1 and resistance R 1 is connected with 5 pins of thermistor RT and time-base integrated circuit IC, 3 pins of time-base integrated circuit IC are connected with the control pin of thyristor VT by resistance R 5, two output pin one ends of thyristor VT are ground connection together with the zero line of ac power supply working circuit, the other end is connected with motor M, and the other end of described motor M connects the live wire of ac power supply working circuit.
The utility model advantage is:
The multi-vibrator that forms due to the mu balanced circuit that is formed by current-limiting resistance R4, capacitor C 3 and reference diode VS that arranges, by time-base integrated circuit IC, resistance R l, resistance R 2, resistance R 3, capacitor C l, capacitor C 2 and thermistor RT and the control executive circuit that is formed by resistance R 5, thyristor VT and fan motor M, therefore can automatically regulate rotation speed of the fan according to room temperature, thereby reach maximal comfort; Can also be by automatic adjusting temperature reducing unnecessary energy waste, thus realize energy-conservation requirement.
Description of drawings
Fig. 1 is the circuit diagram of the utility model temp. control of fan alignment circuit.
Embodiment
Below in conjunction with the drawings and specific embodiments, temp. control of fan alignment circuit of the present utility model is described in further detail.
as shown in Figure 1, temp. control of fan alignment circuit of the present utility model comprises the mu balanced circuit that is comprised of current-limiting resistance R4, capacitor C 3 and reference diode VS, the multi-vibrator that is comprised of resistance R l, resistance R 2, resistance R 3, capacitor C l, capacitor C 2 and thermistor RT and the control executive circuit that is comprised of resistance R 5, thyristor VT and fan motor M, the 1 pin ground connection of described time-base integrated circuit IC, 2 pins and the node place that is connected in after 6 pins are in parallel between resistance R 3 and capacitor C 2, one end ground connection of capacitor C 2, the other end of capacitor C 2 is connected with resistance R 3, described resistance R 3 is connected with resistance R 2, node place between resistance R 3 and resistance R 2 is connected 7 pins of time-base integrated circuit IC, the other end of resistance R 2 respectively with diode VS, capacitor C 3, current-limiting resistance R4, 4 pins of time-base integrated circuit IC with are connected pin and connect, diode VS and capacitor C 3 be ground connection respectively, current-limiting resistor R4 and thermistor RT and capacitor C 1 together are parallel on the control circuit of a DC electrical source, capacitor C 1 is connected with resistance R 1, resistance R 1 the other end ground connection, node place between capacitor C 1 and resistance R 1 is connected with 5 pins of thermistor RT and time-base integrated circuit IC, 3 pins of time-base integrated circuit IC are connected with the control pin of thyristor VT by resistance R 5, two output pin one ends of thyristor VT are ground connection together with the zero line of ac power supply working circuit, the other end is connected with motor M, and the other end of motor M connects the live wire of ac power supply working circuit.
Its working principle is as follows:
After switching on power, the multi-vibrator oscillatory work, the 3 adjustable square-wave pulse signals of pin output duty cycle from time-base integrated circuit IC are triggered and conducting thyristor VT, drive fan motor M running; The frequency of okperation of multi-vibrator is determined by the numerical value of resistance R 3 and capacitor C 2; The dutycycle of square-wave pulse is determined by the potential difference between time-base integrated circuit IC the 7th pin and 5 pin.
When indoor environment temperature raises, the resistance of thermistor RT reduces, make the 5 pin voltages of time-base integrated circuit IC increase, the dutycycle of 3 pin output square-wave pulses improves, the angle of flow of thyristor VT increases, and fan motor M is elongated current"on"time within the unit time, and extend working time, faster rotational speed, thus add Wind Volume to reach the purpose of cooling.
Otherwise, when indoor environment temperature descends, the resistance of thermistor RT raises, make the 5 pin voltage drops of time-base integrated circuit IC, the dutycycle of 3 pin output square-wave pulses reduces, and the angle of flow of thyristor VT diminishes, fan motor M shortens current"on"time within the unit time, shorten working time, and rotating speed descends, thereby reduce air quantity, room temperature gone up.
In use, after opening the fan power switch, this circuit is connected, and the 5 pin voltages of time-base integrated circuit IC are controlled in the variation of room temperature by the variation of thermistor RT resistance, thus the dutycycle of indirectly control 3 pin output square-wave pulses, and then affect the size of the angle of flow of thyristor VT, the angle of flow of thyristor VT increases, and fan motor M is elongated current"on"time within the unit time, and extend working time, faster rotational speed, thus add Wind Volume to reach the purpose of cooling.The angle of flow of thyristor VT diminishes, and fan motor M shortens current"on"time within the unit time, and shorten working time, and rotating speed descends, thereby reduce air quantity, room temperature is gone up.
The above is illustrated the utility model with way of example, but the utility model is not limited to above-mentioned specific embodiment, and all any change or modification of doing based on the utility model all belong to the claimed scope of the utility model.
Claims (1)
1. temp. control of fan alignment circuit is characterized in that: comprise the mu balanced circuit that is comprised of current-limiting resistance R4, capacitor C 3 and reference diode VS, the multi-vibrator that is comprised of resistance R l, resistance R 2, resistance R 3, capacitor C l, capacitor C 2 and thermistor RT and the control executive circuit that is comprised of resistance R 5, thyristor VT and fan motor M, the 1 pin ground connection of time-base integrated circuit IC, 2 pins and the node place that is connected in after 6 pins are in parallel between resistance R 3 and capacitor C 2, one end ground connection of described capacitor C 2, the other end of described capacitor C 2 is connected with resistance R 3, described resistance R 3 is connected with resistance R 2, node place between described resistance R 3 and resistance R 2 is connected 7 pins of time-base integrated circuit IC, the other end of described resistance R 2 respectively with diode VS, capacitor C 3, current-limiting resistance R4, 4 pins of time-base integrated circuit IC with are connected pin and connect, described diode VS and capacitor C 3 be ground connection respectively, described current-limiting resistance R4 and thermistor RT and capacitor C 1 together are parallel on the control circuit of a DC electrical source, described capacitor C 1 is connected with resistance R 1, described resistance R 1 the other end ground connection, node place between described capacitor C 1 and resistance R 1 is connected with 5 pins of thermistor RT and time-base integrated circuit IC, 3 pins of time-base integrated circuit IC are connected with the control pin of thyristor VT by resistance R 5, two output pin one ends of described thyristor VT are ground connection together with the zero line of ac power supply working circuit, the other end is connected with motor M, and the other end of described motor M connects the live wire of ac power supply working circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320001195 CN203023094U (en) | 2013-01-04 | 2013-01-04 | Fan temperature-control speed-regulation circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320001195 CN203023094U (en) | 2013-01-04 | 2013-01-04 | Fan temperature-control speed-regulation circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203023094U true CN203023094U (en) | 2013-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320001195 Expired - Fee Related CN203023094U (en) | 2013-01-04 | 2013-01-04 | Fan temperature-control speed-regulation circuit |
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| CN (1) | CN203023094U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953563A (en) * | 2014-05-20 | 2014-07-30 | 国家电网公司 | Fan control circuit for electric power monitoring equipment room |
| CN105024597A (en) * | 2014-04-21 | 2015-11-04 | 深圳创动科技有限公司 | Direct current fan voltage control circuit |
| CN106286349A (en) * | 2016-10-20 | 2017-01-04 | 桂林大创科技有限公司 | A kind of fan and driving control circuit thereof |
| WO2018211525A1 (en) * | 2017-05-16 | 2018-11-22 | Doshi Yogesh Kantilal | A fan speed controller based on room temperature |
-
2013
- 2013-01-04 CN CN 201320001195 patent/CN203023094U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105024597A (en) * | 2014-04-21 | 2015-11-04 | 深圳创动科技有限公司 | Direct current fan voltage control circuit |
| CN103953563A (en) * | 2014-05-20 | 2014-07-30 | 国家电网公司 | Fan control circuit for electric power monitoring equipment room |
| CN106286349A (en) * | 2016-10-20 | 2017-01-04 | 桂林大创科技有限公司 | A kind of fan and driving control circuit thereof |
| WO2018211525A1 (en) * | 2017-05-16 | 2018-11-22 | Doshi Yogesh Kantilal | A fan speed controller based on room temperature |
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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: 20130626 Termination date: 20140104 |