CN202510399U - Temperature controlled electric fan speed regulator - Google Patents
Temperature controlled electric fan speed regulator Download PDFInfo
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- CN202510399U CN202510399U CN2012200771369U CN201220077136U CN202510399U CN 202510399 U CN202510399 U CN 202510399U CN 2012200771369 U CN2012200771369 U CN 2012200771369U CN 201220077136 U CN201220077136 U CN 201220077136U CN 202510399 U CN202510399 U CN 202510399U
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- resistor
- integrated circuit
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- base integrated
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Abstract
The utility model discloses a temperature controlled electric fan speed regulator. The temperature controlled electric fan speed regulator comprises an alternating-current power supply, a direct-current power supply, a voltage stabilizing circuit, a multivibrator and a control execution circuit, wherein the voltage stabilizing circuit comprises a fourth resistor, a filter capacitor and a zener diode, the multivibrator comprises a time base integrated circuit, a first capacitor, a second capacitor, a first resistor, a second resistor, a third resistor and a thermal resistor, and the control execution circuit comprises a fifth resistor, a thyristor and a fan motor. The temperature controlled electric fan speed regulator can automatically regulate the wind speed of an electric fan according to the indoor temperature, is convenient to use, and has the advantages of simpleness in manufacturing, stable performance, convenience in installation and debugging, and longer service life, thus being generalized favorably.
Description
Technical field
The utility model relates to a kind of fan governor, relates in particular to a kind of temp-control type fan governor.
Background technique
The Along with people's growth in the living standard, people are also constantly moving towards automation to the demand of electrical equipment, and existing fan governor can not be regulated the wind speed of electric fan automatically according to the height of room temperature, has satisfied not the high requests of people to the modern life.
Summary of the invention
The purpose of the utility model provides a kind of temp-control type fan governor with regard to being in order to address the above problem.
The utility model is realized above-mentioned purpose through following technological scheme:
The utility model comprises ac power supply, DC electrical source, mu balanced circuit, multi-vibrator and control executive circuit; Said mu balanced circuit comprises the 4th resistor, filter capacitor and reference diode; First end of said the 4th resistor is connected with the positive pole of said DC electrical source; Second end of said the 4th resistor is connected with first end of said filter capacitor and the negative pole of said reference diode respectively, and the anodal of second end of said filter capacitor and said reference diode all is connected with the negative pole of said DC electrical source; Said multi-vibrator comprises time-base integrated circuit, first capacitor, second capacitor, first resistor, second resistor, the 3rd resistor and thermistor; The electrode input end of said time-base integrated circuit is connected with second end of the forced resetting end of said time-base integrated circuit, said the 4th resistor and first end of said second resistor respectively; Second end of said second resistor is connected with first end of said the 3rd resistor and the discharge end of said time-base integrated circuit respectively; Second end of said the 3rd resistor is connected with the high-triggering end of the low triggering end of said time-base integrated circuit, said time-base integrated circuit and first end of said second capacitor respectively; Second end of said second capacitor and the negative input of said time-base integrated circuit all are connected with the negative pole of said DC electrical source; The control end of said time-base integrated circuit is connected with first end of first end of said first capacitor, said first resistor and first end of said thermistor respectively; Second end of said first resistor is connected with the negative pole of said DC electrical source, and second end of said thermistor is connected with first end of said first capacitor and the positive pole of said DC electrical source respectively; Said control executive circuit comprises the 5th resistor, thyristor and fan motor; First end of said the 5th resistor is connected with the signal output part of said time-base integrated circuit; Second end of said the 5th resistor is connected with the control end of said thyristor; First end of said thyristor is connected with an end of said ac power supply, and second end of said thyristor is connected and is connected with the other end of said ac power supply behind the said fan motor.
The beneficial effect of the utility model is:
The utility model can be regulated the wind speed of electric fan automatically according to indoor temperature height, and is easy to use, and has and make simple, stable performance, Installation and Debugging are convenient, working life is long advantage, helps popularizing.
Description of drawings
Fig. 1 is the circuit diagram of the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further:
As shown in Figure 1: the utility model comprises ac power supply, DC electrical source, mu balanced circuit, multi-vibrator and control executive circuit; Mu balanced circuit comprises the 4th resistor R 4, filter capacitor C3 and reference diode VS; First end of the 4th resistor R 4 is connected with the positive pole of DC electrical source; Second end of the 4th resistor R 4 is connected with first end of filter capacitor C3 and the negative pole of reference diode VS respectively, and the anodal of second end of filter capacitor C3 and reference diode VS all is connected with the negative pole of DC electrical source; Multi-vibrator comprises time-base integrated circuit IC, the first capacitor C1, the second capacitor C2, first resistor R 1, second resistor R 2, the 3rd resistor R 3 and thermistor RT; The electrode input end of time-base integrated circuit IC is connected with the forced resetting end of time-base integrated circuit IC, second end of the 4th resistor R 4 and first end of second resistor R 2 respectively; Second end of second resistor R 2 is connected with first end of the 3rd resistor R 3 and the discharge end of time-base integrated circuit IC respectively; Second end of the 3rd resistor R 3 is connected with the low triggering end of time-base integrated circuit IC, the high-triggering end of time-base integrated circuit IC and first end of the second capacitor C2 respectively; Second end of the second capacitor C2 all is connected with the negative pole of DC electrical source with the negative input of time-base integrated circuit IC; The control end of time-base integrated circuit IC is connected with first end of the first capacitor C1, first end of first resistor R 1 and first end of thermistor RT respectively; Second end of first resistor R 1 is connected with the negative pole of DC electrical source, and second end of thermistor RT is connected with first end of the first capacitor C1 and the positive pole of DC electrical source respectively; The control executive circuit comprises the 5th resistor R 5, thyristor VT and fan motor M; First end of the 5th resistor R 5 is connected with the signal output part of time-base integrated circuit IC; Second end of the 5th resistor R 5 is connected with the control end of thyristor VT; First end of thyristor VT is connected with an end of ac power supply, is connected with the other end of ac power supply behind the second end tandem fan motor M of thyristor VT.
As shown in Figure 1, the working principle of the utility model is following:
After the energized, the multi-vibrator oscillatory work from the adjustable square-wave pulse signal of the signal output part output duty cycle of time-base integrated circuit IC, is triggered and conducting thyristor VT, drive fan motor M running.
When indoor environment temperature raise, the resistance of thermistor RT reduced, and the control end voltage of time-base integrated circuit IC is risen; The dutycycle of signal output part output square-wave pulse improves; The angle of flow of thyristor VT increases, and fan motor M is more elongated current"on"time in the unit time, and prolong working time; Faster rotational speed, thus air quantity strengthened to reach the purpose of cooling.
Otherwise when indoor environment temperature descended, the resistance of thermistor RT raise; The control end voltage of time-base integrated circuit IC is descended, and the dutycycle of signal output part output square-wave pulse reduces, and the angle of flow of thyristor VT diminishes; Fan motor M shortens current"on"time in the unit time; Shorten working time, and rotating speed descends, thereby reduce air quantity room temperature gone up.
Claims (1)
1. temp-control type fan governor; It is characterized in that: comprise ac power supply, DC electrical source, mu balanced circuit, multi-vibrator and control executive circuit; Said mu balanced circuit comprises the 4th resistor, filter capacitor and reference diode; First end of said the 4th resistor is connected with the positive pole of said DC electrical source; Second end of said the 4th resistor is connected with first end of said filter capacitor and the negative pole of said reference diode respectively, and the anodal of second end of said filter capacitor and said reference diode all is connected with the negative pole of said DC electrical source; Said multi-vibrator comprises time-base integrated circuit, first capacitor, second capacitor, first resistor, second resistor, the 3rd resistor and thermistor; The electrode input end of said time-base integrated circuit is connected with second end of the forced resetting end of said time-base integrated circuit, said the 4th resistor and first end of said second resistor respectively; Second end of said second resistor is connected with first end of said the 3rd resistor and the discharge end of said time-base integrated circuit respectively; Second end of said the 3rd resistor is connected with the high-triggering end of the low triggering end of said time-base integrated circuit, said time-base integrated circuit and first end of said second capacitor respectively; Second end of said second capacitor and the negative input of said time-base integrated circuit all are connected with the negative pole of said DC electrical source; The control end of said time-base integrated circuit is connected with first end of first end of said first capacitor, said first resistor and first end of said thermistor respectively; Second end of said first resistor is connected with the negative pole of said DC electrical source, and second end of said thermistor is connected with first end of said first capacitor and the positive pole of said DC electrical source respectively; Said control executive circuit comprises the 5th resistor, thyristor and fan motor; First end of said the 5th resistor is connected with the signal output part of said time-base integrated circuit; Second end of said the 5th resistor is connected with the control end of said thyristor; First end of said thyristor is connected with an end of said ac power supply, and second end of said thyristor is connected and is connected with the other end of said ac power supply behind the said fan motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200771369U CN202510399U (en) | 2012-03-05 | 2012-03-05 | Temperature controlled electric fan speed regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200771369U CN202510399U (en) | 2012-03-05 | 2012-03-05 | Temperature controlled electric fan speed regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202510399U true CN202510399U (en) | 2012-10-31 |
Family
ID=47062889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200771369U Expired - Fee Related CN202510399U (en) | 2012-03-05 | 2012-03-05 | Temperature controlled electric fan speed regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202510399U (en) |
Cited By (1)
| 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 |
-
2012
- 2012-03-05 CN CN2012200771369U patent/CN202510399U/en not_active Expired - Fee Related
Cited By (1)
| 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 |
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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: 20121031 Termination date: 20130305 |