CN2380728Y - Temp.-controlled radiating fan - Google Patents
Temp.-controlled radiating fan Download PDFInfo
- Publication number
- CN2380728Y CN2380728Y CN 99211587 CN99211587U CN2380728Y CN 2380728 Y CN2380728 Y CN 2380728Y CN 99211587 CN99211587 CN 99211587 CN 99211587 U CN99211587 U CN 99211587U CN 2380728 Y CN2380728 Y CN 2380728Y
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- CN
- China
- Prior art keywords
- voltage
- control system
- fan
- speed control
- thermistor
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- Expired - Fee Related
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Abstract
The utility model discloses a temperature-controlled radiating fan, which is composed of a mechanical part and an electric control device. The utility model is characterized in that a circuit arranged in the electric control device is provided with a thermistor 4, a voltage amplifying system d, a rotation speed control system 2, a rotation speed setting device a, a timing triggering capacitor C1, biasing resistors R1, R3 and R5, etc.; the thermistor 4 is used for detecting the voltage of a temperature adjusting end and is set by the voltage amplifying system d according to a voltage amplifying rate to make a voltage amplifying device amplify the voltage, and voltage amplifying signals of the voltage amplifying device are transmitted to the rotation speed control system 2 to control the rotation speed of the fan and trigger at definite time to make the fan rotate in periodicity.
Description
The utility model relates to household appliances, the particularly a kind of radiation fan that can adjust rotating speed automatically that changes with environment temperature.
Radiation fan is the refrigerant instrument of heat radiation that people use always, the power control unit of general radiation fan, as shown in Figure 1, this radiation fan is to utilize magnetic field induction device 1 ' to receive the bias voltage that power Vcc is transmitted through bias resistance R1, and the device of cooperation permanent magnet, by the variation of single magnetic pole (the N utmost point, the S utmost point), make coil L1 ', L2 ' produce electric current and pass through, and power Vcc is because the protective action of forward diode D1 ' has avoided burning internals; The rotation of this radiation fan without any change, keep former speed always and rotate, even fan suspends and rotates, its electric current is still by coil L1 ' and L2 '; Terminal at coil L1 ' and L2 ' is provided with reference diode D3 ' and D4 ', makes the voltage at coil L1 ', L2 ' two ends stable, avoids producing electromagnetic noise.
Above-mentioned radiation fan has following shortcoming:
1, can't adjust the rotating speed of fan automatically according to the height of environment temperature.
2, fan suspends during the rotation, and coil still has electric current to pass through, and inner member is burnt.
3, have single pole change, make fan can only keep former speed.
The purpose of this utility model provides a kind of temperature control radiation fan that can adjust rotating speed with the environment temperature variation automatically.
For reaching above-mentioned purpose, the utility model by the following technical solutions:
Mechanical part of the present utility model is identical with existing fan, its power control unit includes the magnetic field induction system, revolution speed control system, commutation system, voltage-stabilizing system, the voltage amplification system, timing triggers capacitor and three bias resistances are formed, power supply is supplied bias voltage respectively via three bias resistances and is given the magnetic field induction system, revolution speed control system and thermistor, the utility model mainly utilizes thermistor that temperature is produced negative resistance property, measure the temperature at these thermistor two ends, adjust its terminal voltage, by the voltage amplification system its terminal voltage is carried out according to setting magnification factor, impel it to amplify this voltage, transfer to revolution speed control system again, and cooperate the generation of magnetic field induction system to transfer to revolution speed control system with the induced signal that magnetic pole repels each other, the basic rotating speed required voltage of this revolution speed control system mat speed setting device, in order to carry out and the relatively effect of amplifying voltage, make the height of the rotating speed of radiation fan, adjust, produce the rotating speed that is fit to by the coil current size according to temperature; In addition, installing regularly triggers capacitor and then is subjected to external force and during suspending rotation, every the set time, triggers fan and rotate in fan.
The utility model will be further described below in conjunction with drawings and Examples:
Fig. 1 is the circuit diagram of radiation fan commonly used.
Fig. 2 is the utility model embodiment's a circuit diagram.
As shown in Figure 2, power control unit of the present utility model by magnetic field induction system 1, speed setting device a, thermistor 4, revolution speed control system 2, commutation system b, voltage stabilizing control system c, the d of voltage amplification system, regularly trigger capacitor C1, and bias resistance R1, R3, R5 formed.Power Vcc is supplied bias voltage respectively to bumping an induction system 1, revolution speed control system 2 and thermistor 4 via bias resistance R3, R1, R5; Commutation system b is made up of two commutation diode D1, D2, and power Vcc is powered to two coil L1, L2 via forward commutation diode D1, and two coil L1, L2 are in series with reference diode D3, D4 respectively; Power Vcc is powered to voltage amplification device 3 and thermistor 4 via forward commutation diode D2; The d of voltage amplification system is made of voltage amplification device 3 and voltage amplification multiplying power setting device e, voltage amplification multiplying power setting device e is made up of the capacitor C3 and the resistance R 4 of parallel connection, and voltage amplification multiplying power setting device e and thermistor 4 link with voltage amplification device 3; Speed setting device a is made up of the resistance R 2 and the capacitor C2 of series connection, and itself and revolution speed control system 2 link, and timing triggers capacitor C1 and revolution speed control system 2 links, and it is a variable condenser; The other end that regularly triggers capacitor C1, speed setting device a, reference diode D3, D4, voltage multiplying power setting device e, thermistor 4 links to each other with zero potential.
Magnetic field induction of the present utility model system 1 is by the effect of magnetic field induction, produce severally, impel magnetic pole mutually rapidly to change, utilize its characteristic with the magnetic mutual exclusion to magnetic pole (the N utmost point and the S utmost point), fan is rotated keep in the same way, and make the signal of its induction and mutual exclusion transfer to revolution speed control system 2.
The d of voltage amplification system receives the adjustment terminal voltage at the two ends of thermistor 4, voltage multiplying power setting device e impels voltage amplification device 3 to amplify its terminal voltage according to setting Amplification factor, and transfer to revolution speed control system 2, it adjusts terminal voltage by the temperature at thermistor 4 two ends, by the d of voltage amplification system according to setting Amplification factor, impel voltage amplification device 3 to amplify terminal voltage, be feature of the present utility model.
The amplification voltage that the induction of revolution speed control system 2 reception magnetic field induction systems 1 and mutex and the d of voltage amplification system are transmitted, by the speed setting device a voltage required according to its basic rotating speed, be used for carrying out and amplifying voltage ratio, the required voltage of the basic rotating speed of speed setting position a is the required voltage of minimum speed, relatively amplifying voltage is used for making revolution speed control system 2 to adjust its size of current by coil L1, L2, to produce the rotating speed that adapts with environment temperature, and cooperate magnetic field induction and mutual repulsion effect, fan is rotated keep in the same way.Regularly trigger capacitor C1 and be subjected to external force to suspend rotation therebetween at fan, adjust its value in order to do the triggered time, the triggering of execution cycle property impels fan to do heat radiation and rotates; Speed setting device a is according to the required voltage of basic rotating speed of its setting, for amplifying voltage ratio, impel revolution speed control system 2 to adjust rotating speed again, be subjected to external force and interval at fan, magnifiation in depth reduces to zero than voltage, regularly triggers capacitor C1 and makes periodic triggers regularly.
The forward diode D1 of commutation system b, the effect of D2 execute protection avoid voltage or electric current in the excessive variation of positive and negative electrode intercropping, cause coil L1, L2, the d of voltage amplification system and thermistor 4 to burn.
Reference diode D3, the D4 of voltage stabilizing control system C prevents that in order to control and burning voltage magnetic field induction system 1 from making the polarity Fast transforms and producing electromagnetic noise.
Advantage of the present utility model is as follows:
1, thermistor and voltage amplification system rotate required amplification voltage signal according to temperature output and give revolution speed control system, its again with the required voltage of the basic rotating speed of speed setting device in order to relatively, be provided with adjusting its rotation speed of the fan.
2, clocked flip capacitor during fan is stopped operating by external force, is made periodic clocked flip fan and is rotated.
Claims (1)
1, a kind of temperature control radiation fan, it includes mechanical part and power control unit, logical forward commutation diode (D1) of power supply in the power control unit (Vcc) and two coils (L1), (L2) link, two coil (L1), (L2) be in series with reference diode (D3) on the circuit respectively, (D4), power supply (Vcc) is supplied bias voltage by bias resistance (R3) to magnetic field induction system (1), it is characterized in that: power supply (Vcc) is by commutation diode (D2), bias resistance (R5) is to thermistor (4) supply bias voltage, to voltage amplification device (3) supply direct current; Voltage amplification device (3) links with the voltage multiplying power setting device (e) that capacitor (C3) and resistance (4) compose in parallel; The terminal voltage of thermistor (4) feeds back in the voltage amplification device (3); Power supply (Vcc) is supplied bias voltage by bias resistance (R1) to revolution speed control system (2); Revolution speed control system (2) receives the signal of magnetic field induction system (1) and the amplification voltage of voltage amplification system (d), and resistance (R2) and capacitor (C2) are formed speed setting device (a) and linked with revolution speed control system (2); Regularly triggering capacitor (C1) links with revolution speed control system (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99211587 CN2380728Y (en) | 1999-06-01 | 1999-06-01 | Temp.-controlled radiating fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99211587 CN2380728Y (en) | 1999-06-01 | 1999-06-01 | Temp.-controlled radiating fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2380728Y true CN2380728Y (en) | 2000-05-31 |
Family
ID=34004512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99211587 Expired - Fee Related CN2380728Y (en) | 1999-06-01 | 1999-06-01 | Temp.-controlled radiating fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2380728Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100382668C (en) * | 2004-12-15 | 2008-04-16 | 华为技术有限公司 | Fan combination and fan speed-governing method |
| CN113339306A (en) * | 2020-06-30 | 2021-09-03 | 鲍晨怡 | Intelligent fan capable of adaptively adjusting wind speed gear according to ambient temperature |
| CN113339308A (en) * | 2020-06-30 | 2021-09-03 | 鲍晨怡 | Digital display gear automatic regulating device of self-adaptive intelligent fan |
| CN113431799A (en) * | 2020-06-30 | 2021-09-24 | 鲍晨怡 | Temperature intelligent regulation industrial exhaust fan with interval regulation part |
-
1999
- 1999-06-01 CN CN 99211587 patent/CN2380728Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100382668C (en) * | 2004-12-15 | 2008-04-16 | 华为技术有限公司 | Fan combination and fan speed-governing method |
| CN113339306A (en) * | 2020-06-30 | 2021-09-03 | 鲍晨怡 | Intelligent fan capable of adaptively adjusting wind speed gear according to ambient temperature |
| CN113339308A (en) * | 2020-06-30 | 2021-09-03 | 鲍晨怡 | Digital display gear automatic regulating device of self-adaptive intelligent fan |
| CN113431799A (en) * | 2020-06-30 | 2021-09-24 | 鲍晨怡 | Temperature intelligent regulation industrial exhaust fan with interval regulation part |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: PATENTEE; FROM: LI NIANLUN TO: TAIWAN DALONG INDUSTRIAL CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Taiwan, China Patentee after: Dalong Industry Co., Ltd., Taiwen Prov. Address before: 4, building 666, No. two, Zhonghua Road, 12, Taiwan, Taipei Province, 3 Patentee before: Li Nianlun |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |