CN203570628U - Automatic speed regulation fan of computer - Google Patents
Automatic speed regulation fan of computer Download PDFInfo
- Publication number
- CN203570628U CN203570628U CN201320754652.5U CN201320754652U CN203570628U CN 203570628 U CN203570628 U CN 203570628U CN 201320754652 U CN201320754652 U CN 201320754652U CN 203570628 U CN203570628 U CN 203570628U
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- CN
- China
- Prior art keywords
- amplifier
- resistance
- fan
- electric capacity
- potentiometer
- 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.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
The utility model discloses an automatic speed regulation fan of a computer. The automatic speed regulation fan comprises a power supply, a first amplifier, a second amplifier, a third amplifier, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a thermistor, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a triode, a light emitting diode, a first potentiometer, a second potentiometer, a fan and a multi-vibrator, wherein when the potential on the in-phase input end of the third amplifier is reduced along with the temperature rise, the output voltage is reduced, the duty ratio of the output waveform of the second amplifier is improved, a fan motor is accelerated through the triode, when the temperature is too high, the voltage of the inverted input end of the second amplifier is lower than the set voltage of the in-phase input end, a high level is output by the first amplifier, and the light emitting diode is ignited to indicate the fan has a fault. According to the automatic speed regulation fan, the rotating speed is automatically adjusted according to the temperature in the computer, the electric energy is saved, when the fan has the fault to cause the overhigh temperature, an alarm is given through luminescence of the light emitting diode so as to prompt people to maintain the fan.
Description
Technical field
The utility model relates to a kind of computer fan, relates in particular to a kind of automatic speed regulating fan of computer.
Background technique
More and more faster along with computer speed, processor frequencies more and more higher, power consumption also increases thereupon gradually, heating value also increases gradually, in this respect, more outstanding with CPU, because CPU level of integration is up to millions of transistors, the big people of allowing of heating value is difficult to imagination, common CPU surface temperature can reach 40-60 degree, Baidu is even gone up up to 80 especially in CPU inside, weather heating, computer may crash, blue screen, open program error, the problem such as loss of data and autoboot, these all may cause because CPU is overheated, computer fan is not about to directly have influence on the stability of computer operation.After the fan of traditional computer breaks down, cannot find in time, may cause computer glitch, and fan can not regulate the speed automatically, waste electric energy.
Model utility content
The purpose of this utility model is just to provide in order to address the above problem a kind of automatic speed regulating fan of computer.
The utility model is achieved through the following technical solutions above-mentioned purpose:
A kind of automatic speed regulating fan of computer, comprise power supply, the first amplifier to the three amplifiers, the first resistance to the six resistance, thermistor, the first electric capacity to the five electric capacity, triode, light emitting diode, the first potentiometer, the second potentiometer, fan and multi-vibrator, the positive pole of described power supply respectively with the positive polarity input end of described the first amplifier, the first end of described the first potentiometer, the first end of described fan, the positive polarity input end of described the second amplifier, the first end of described the 3rd resistance, the inverting input of described the 3rd amplifier, the first end of described the 4th resistance, the positive polarity input end of the first end of described the second potentiometer and described multi-vibrator is connected, the first gain setting end of described the first amplifier is connected with the first end of described the first electric capacity, the second gain setting end of described the first amplifier is connected with the second end of described the first electric capacity, the output terminal of described the first amplifier is connected with the first end of described the first resistance, the second end of described the first resistance is connected with the positive pole of described light emitting diode, the negative pole of described light emitting diode respectively with the grounding end of described the first amplifier, the first end of described the second resistance, the emitter of described triode, the first end of described the second electric capacity, the grounding end of described the second amplifier, the second end of described the 4th resistance, the first end of described thermistor, ground connection after the heavily triggering input end of the first end of described the 5th electric capacity and described multi-vibrator is connected, the in-phase input end of described the first amplifier is connected with the sliding end of described the first potentiometer, the second end of described the first potentiometer is connected with the second end of described the second resistance, the inverting input of described the first amplifier is connected with the second end of described the 3rd resistance, the second end of described fan is connected with the collector electrode of described triode, the base stage of described triode is connected with the second end of described the second electric capacity and the output terminal of described the second amplifier respectively, the first gain setting end of described the second amplifier is connected with the first end of described the 3rd electric capacity, the second gain setting end of described the second amplifier is connected with the second end of described the 3rd electric capacity, the inverting input of described the second amplifier is connected with the output terminal of described the 3rd amplifier, the in-phase input end of described the second amplifier is connected with the first end of described the 5th resistance and the second end of described the 5th electric capacity respectively, the in-phase input end of described the 3rd amplifier respectively with the second end of described the second potentiometer, the second end of the sliding end of described the second potentiometer and described thermistor is connected, the second end of described the 5th resistance is connected with the output terminal of described multi-vibrator, the first end of described the 4th electric capacity is connected with the external capacitor end of described multi-vibrator, the second end of described the 4th electric capacity is connected with described the 6th first end of resistance and the common port of described multi-vibrator respectively, the second end of described the 6th resistance is connected with the outer meeting resistance end of described multi-vibrator.
The beneficial effects of the utility model are:
The utility model is a kind of automatic speed regulating fan of computer, and it can adjust rotating speed automatically according to the temperature height in computer, and saving power, when fan has fault to cause excess Temperature, can report to the police by lumination of light emitting diode, reminds people to keep in repair.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the automatic speed regulating fan of a kind of computer of the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, the automatic speed regulating fan of a kind of computer of the utility model, comprise power supply V, the first amplifier A1 to the three amplifier A3, the first resistance R 1 is to the 6th resistance R 6, thermistor RT, the first capacitor C 1 is to the 5th capacitor C 5, triode VT, LED, the first potentiometer RP1, the second potentiometer RP2, fan F and multi-vibrator IC, the positive pole of power supply V respectively with the positive polarity input end of the first amplifier A1, the first end of the first potentiometer RP1, the first end of fan F, the positive polarity input end of the second amplifier A2, the first end of the 3rd resistance R 3, the inverting input of the 3rd amplifier A3, the first end of the 4th resistance R 4, the positive polarity input end of the first end of the second potentiometer RP2 and multi-vibrator IC is connected, the first gain setting end of the first amplifier A1 is connected with the first end of the first capacitor C 1, the second gain setting end of the first amplifier A1 is connected with the second end of the first capacitor C 1, the output terminal of the first amplifier A1 is connected with the first end of the first resistance R 1, the second end of the first resistance R 1 is connected with the positive pole of LED, the negative pole of LED respectively with the grounding end of the first amplifier A1, the first end of the second resistance R 2, the emitter of triode VT, the first end of the second capacitor C 2, the grounding end of the second amplifier A2, the second end of the 4th resistance R 4, the first end of thermistor RT, ground connection after the heavily triggering input end of the first end of the 5th capacitor C 5 and multi-vibrator IC is connected, the in-phase input end of the first amplifier A1 is connected with the sliding end of the first potentiometer RP1, the second end of the first potentiometer RP1 is connected with the second end of the second resistance R 2, the inverting input of the first amplifier A1 is connected with the second end of the 3rd resistance R 3, the second end of fan F is connected with the collector electrode of triode VT, the base stage of triode VT is connected with the second end of the second capacitor C 2 and the output terminal of the second amplifier A2 respectively, the first gain setting end of the second amplifier A2 is connected with the first end of the 3rd capacitor C 3, the second gain setting end of the second amplifier A2 is connected with the second end of the 3rd capacitor C 3, the inverting input of the second amplifier A2 is connected with the output terminal of the 3rd amplifier A3, the in-phase input end of the second amplifier A2 is connected with the first end of the 5th resistance R 5 and the second end of the 5th capacitor C 5 respectively, the in-phase input end of the 3rd amplifier A3 respectively with the second end of the second potentiometer RP2, the second end of the sliding end of the second potentiometer RP2 and thermistor RT is connected, the second end of the 5th resistance R 5 is connected with the output terminal of multi-vibrator IC, the first end of the 4th capacitor C 4 is connected with the external capacitor end of multi-vibrator IC, the second end of the 4th capacitor C 4 is connected with the first end of the 6th resistance R 6 and the common port of multi-vibrator IC respectively, the second end of the 6th resistance R 6 is connected with the outer meeting resistance end of multi-vibrator IC.
The model of multi-vibrator IC is CC4047.The square wave that multi-vibrator IC produces, through resistance capacitance integration, obtains pyramidal wave.The in-phase input end of the 3rd amplifier A3 is connected to thermistor RT, the second potentiometer RP2 setup control scope, while declining when the in-phase input end current potential Yin Wendu of the 3rd amplifier A3 rising, the output voltage of the 3rd amplifier A3 also declines, the dutycycle of the second amplifier A2 output waveform improves, and through triode VT, accelerates fan F motor.When excess Temperature, the voltage of the inverting input of the second amplifier A2 is lower than the setting voltage of in-phase input end, and the first amplifier A1 output high level, lights LED, represents that fan F has fault, and excess Temperature, should keep in repair.
Claims (1)
1. the automatic speed regulating fan of a computer, it is characterized in that: comprise power supply, the first amplifier to the three amplifiers, the first resistance to the six resistance, thermistor, the first electric capacity to the five electric capacity, triode, light emitting diode, the first potentiometer, the second potentiometer, fan and multi-vibrator, the positive pole of described power supply respectively with the positive polarity input end of described the first amplifier, the first end of described the first potentiometer, the first end of described fan, the positive polarity input end of described the second amplifier, the first end of described the 3rd resistance, the inverting input of described the 3rd amplifier, the first end of described the 4th resistance, the positive polarity input end of the first end of described the second potentiometer and described multi-vibrator is connected, the first gain setting end of described the first amplifier is connected with the first end of described the first electric capacity, the second gain setting end of described the first amplifier is connected with the second end of described the first electric capacity, the output terminal of described the first amplifier is connected with the first end of described the first resistance, the second end of described the first resistance is connected with the positive pole of described light emitting diode, the negative pole of described light emitting diode respectively with the grounding end of described the first amplifier, the first end of described the second resistance, the emitter of described triode, the first end of described the second electric capacity, the grounding end of described the second amplifier, the second end of described the 4th resistance, the first end of described thermistor, ground connection after the heavily triggering input end of the first end of described the 5th electric capacity and described multi-vibrator is connected, the in-phase input end of described the first amplifier is connected with the sliding end of described the first potentiometer, the second end of described the first potentiometer is connected with the second end of described the second resistance, the inverting input of described the first amplifier is connected with the second end of described the 3rd resistance, the second end of described fan is connected with the collector electrode of described triode, the base stage of described triode is connected with the second end of described the second electric capacity and the output terminal of described the second amplifier respectively, the first gain setting end of described the second amplifier is connected with the first end of described the 3rd electric capacity, the second gain setting end of described the second amplifier is connected with the second end of described the 3rd electric capacity, the inverting input of described the second amplifier is connected with the output terminal of described the 3rd amplifier, the in-phase input end of described the second amplifier is connected with the first end of described the 5th resistance and the second end of described the 5th electric capacity respectively, the in-phase input end of described the 3rd amplifier respectively with the second end of described the second potentiometer, the second end of the sliding end of described the second potentiometer and described thermistor is connected, the second end of described the 5th resistance is connected with the output terminal of described multi-vibrator, the first end of described the 4th electric capacity is connected with the external capacitor end of described multi-vibrator, the second end of described the 4th electric capacity is connected with described the 6th first end of resistance and the common port of described multi-vibrator respectively, the second end of described the 6th resistance is connected with the outer meeting resistance end of described multi-vibrator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320754652.5U CN203570628U (en) | 2013-11-25 | 2013-11-25 | Automatic speed regulation fan of computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320754652.5U CN203570628U (en) | 2013-11-25 | 2013-11-25 | Automatic speed regulation fan of computer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203570628U true CN203570628U (en) | 2014-04-30 |
Family
ID=50538361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320754652.5U Expired - Fee Related CN203570628U (en) | 2013-11-25 | 2013-11-25 | Automatic speed regulation fan of computer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203570628U (en) |
-
2013
- 2013-11-25 CN CN201320754652.5U patent/CN203570628U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20141125 |
|
| EXPY | Termination of patent right or utility model |