CN204921438U - Automatic frequency modulation fan - Google Patents
Automatic frequency modulation fan Download PDFInfo
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- CN204921438U CN204921438U CN201520676881.9U CN201520676881U CN204921438U CN 204921438 U CN204921438 U CN 204921438U CN 201520676881 U CN201520676881 U CN 201520676881U CN 204921438 U CN204921438 U CN 204921438U
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Abstract
The utility model provides a temperature that automatic frequency modulation fan, singlechip pass through indoor and a motor drive signal input part is being connected to projecting pole one end that illumination intensity carries out collection and processing, and the frequency through the corresponding duty cycle of the inside PWM output function output of singlechip and the temperature of gathering this moment and illumination intensity arrives the collecting electrode of opto -coupler, the opto -coupler to the realization is to the control of motor speed, the launching tube of opto -coupler is being connected to a pin of singlechip, through temperature and illumination intensity corresponding high -low level and high level delay time and low level delay time and then realization the regulation and control to motor stall frequency of this pin output with collection this moment. The user can set up various parameters through cell -phone and computer customer end software, and the design is fit for the sleep curve of oneself to can upload sleep curve to the customer end platform that oneself designs through the cloud, can download the sleep curve that other people share through the customer end platform equally.
Description
Technical field
The present invention relates to a kind of electric fan, particularly a kind of automatic frequency adjustment fan.
Background technique
In the industry cycle, the adjustment of retation speed of electric fan is all realized by touch switch or key switch with staff.If application number is No. 201110442743.0 patents, disclose a kind of direct-current brushless electric fan and controlling method thereof: user produces actuating signal, to exporting the constant frequency of certain dutycycle after this knob signal analysis and processing to DC brushless motor after single-chip microcomputer receives this signal by adjustment encoder knob.User needs manually to regulate encoder to adjust fan wind speed, regulates trouble, and the motor speed after adjustment and stall frequency can not change according to the change of intensity with the temperature and light of surrounding environment.As when using summer, the wind speed that user's initial setting one is comfortable, when room temperature changes larger, the speed of initial setting no longer changes, and user also will go to adjust wind speed again, adjustment trouble.When using with sleeping at night by day, the body of people is in different active states, and fan automatically can not adjust and export different wind speed and stall frequency to adapt to human body, and user's comfort is poor.
Summary of the invention
For deficiency and the defect of above technology, object of the present invention aims to provide a kind of simple to operate, is convenient to promote, the fan that comfort level is strong.
The object of the invention is by realizing by the following technical solutions: a kind of automatic frequency adjustment fan of designing by this object, its circuit feature, comprises illumination intensity Acquisition Circuit unit, temperature collection circuit unit, optocoupler regulation and control frequency circuit unit, motor-drive circuit unit, touch induction circuit unit, OLED display circuit unit, WiFi and bluetooth communication circuit unit, alarm circuit unit, memory expansion circuit unit, power circuit and electric fan.
Described illumination intensity Acquisition Circuit unit, single-chip microcomputer is connected with illumination intensity sensor, by carrying out collecting treatment to the AD value of photoresistor.
Described temperature collection circuit unit, single-chip microcomputer is gathered by the temperature data of DS18B20 to surrounding and is processed.
Described optocoupler regulation and control frequency circuit unit, programmable single chip computer is by shining intensity data information and process to the temperature and light of indoor, the collector electrode of frequency to optocoupler shining the corresponding dutycycle of intensity with the temperature and light now gathered is exported by the PWM output function of single-chip microcomputer inside, emitter one end of optocoupler is connected to motor drive signal input end, thus realizes the control to motor speed; A pin of single-chip microcomputer is connected to the emission tube of optocoupler, exported with the temperature and light that now gathers according to the corresponding low and high level of intensity and high level delay time and low level delay time and then the regulation and control that realize motor stalling frequency by this pin, thus achieve to regulate and control the independence of motor stalling frequency and speed.
Four curves are simulated by founding mathematical models, Article 1 and Article 2 be respectively by day with under nighttime conditions, PWM curve of output corresponding to different temperature, Article 3 and Article 4 are respectively by day with under nighttime conditions, the motor stalling frequency curve corresponding to different temperature.When indoor illumination intensity and temperature change, speed and the stall frequency of motor make corresponding adjustment, when illumination intensity and temperature-resistant time, the speed of motor and stall frequency will be stabilized in certain scope, namely achieve corresponding different motor speed and motor stalling frequency under different illumination intensity with the condition of different temperatures, thus realize automatic frequency adjustment and automatic speed regulation.
Described motor-drive circuit unit, when the frequency that single-chip microcomputer produces certain dutycycle is to the collector electrode of optocoupler, if the emission tube emission of light of optocoupler, the then collector and emitter conducting of optocoupler, now the frequency of certain dutycycle is input to motor-driven frequency input by monolithic function, motor-drive circuit works, and motor runs by certain rotating speed; When the emission tube not emission of light of optocoupler, then the collector and emitter cut-off of optocoupler, the frequency of certain dutycycle that single-chip microcomputer produces can not be input to motor-driven frequency input, and motor-drive circuit quits work, motor stalling.A pin of single-chip microcomputer is connected to the emission tube of optocoupler, the adjustment being exported low and high level and high level delay time and low level delay time by this pin and then realized motor stalling frequency; When the emission tube emission of light of optocoupler, during the collector and emitter conducting of optocoupler, single-chip microcomputer exports the collector electrode of frequency to optocoupler of different duty, the frequency of different duty can be delivered to motor-driven frequency input by the emitter of optocoupler, thus motor drive ic exports different power to motor, thus realize the stepless time adjustment to motor.
Four kinds of mode of operations:
General mode, can only touch motor speed by staff, cannot regulate and control the stall frequency of motor.
Hopping pattern: process according to strength information gathered temperature and light according to single-chip microcomputer, automatically adjustment motor stalling frequency, can touch regulation and control motor speed by staff.
Intelligent mode: process according to strength information gathered temperature and light according to single-chip microcomputer, automatically adjustment motor speed and motor stalling frequency, do not touch regulation and control motor speed by staff.
Sleep pattern: by setting up a time shaft, namely in motor speed and the motor stalling frequency of different moment correspondence system settings, cannot touch adjustment motor speed and motor stalling frequency by staff.
Mobile phone, computer client software can calling mobile phone, computer inside hardware resource, the quick-setting to timing, motor speed and motor stalling frequency can be realized by the various sensors of interior of mobile phone, by WiFi or Bluetooth communication, the parameter information of setting be sent to automatic frequency adjustment fan.
User can arrange various parameter by mobile phone and computer client software, design the sleep curve being applicable to oneself, self-designed sleep curve can be uploaded to client platform by cloud service, same user can download by client platform the sleep curve that other people share, after user downloads, mobile phone, computer terminal can by WiFi or Bluetooth communication automatically by download program to automatic frequency adjustment fan.Can be set up the sleep curve library of people in different geographical, varying environment, different habits and customs by client platform and cloud service, user can experience various sleep curve and share sleep curve.
Equally, people can be set up in different geographical, varying environment, different habits and customs by day and night by client platform and cloud service, PWM curve of output storehouse corresponding to different temperature, motor stalling frequency curve storehouse corresponding to different temperature, by building client platform, user can be made independently to share diversified mode of operation.
Under human body is in different sleep states (deep sleep and light sleep), the body of people is in different active states, in a sleep mode, wind speed and the stall frequency of fan should being reduced, increasing the operating time of fan in one-period and stop time, by setting up a time shaft, namely in motor speed and the motor stalling frequency of different moment correspondence system settings, advantageously in the health of human body, the old man poor for physique and child, more useful.
Be provided with infrared tube in described touch induction circuit unit, a pin with AD collecting function of single-chip microcomputer inside is connected with collector electrode one end of infrared tube, for the input to user instruction.
Described OLED display circuit unit is used for timing, room temperature, illumination intensity, fan mode, and the information such as the rotational velocity of motor and motor stalling frequency show.
Described WiFi and bluetooth communication circuit unit are used for the communication between automatic frequency adjustment fan and mobile phone, computer.
Described alarm circuit unit comprises buzzer, LED light.
Described memory expansion circuit unit comprises SD card, for the expansion to internal memory.
Described power supply unit comprises in-line power and externally fed, and in-line power part is powered by lithium cell, and externally fed part is connected with external power supply by conventional mini-USB datawire socket or other socket.
Accompanying drawing explanation
Fig. 1 is logic diagram 1 of the present invention.
Fig. 2 is logic diagram 2 of the present invention.
Fig. 3 is optocoupler regulation and control frequency circuit unit and motor-drive circuit unit schematic diagram.
Fig. 4 is by day with under nighttime conditions, the PWM curve of output corresponding to different temperature.
Fig. 5 is by day, the motor stalling frequency curve corresponding to different temperature.
Fig. 6 is at night, the motor stalling frequency curve corresponding to different temperature.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described.
First embodiment
See Fig. 1-Fig. 6, this electric fan, its circuit feature: comprise illumination intensity Acquisition Circuit unit, temperature collection circuit unit, optocoupler regulation and control frequency circuit unit, motor-drive circuit unit, touch induction circuit unit, WiFi and bluetooth communication circuit unit, OLED display circuit unit, memory expansion circuit unit, alarm circuit unit, power circuit, electric fan.
Above-mentioned illumination intensity Acquisition Circuit unit comprises photoresistor RL and resistance RC, and photoresistor RL and resistance RC series connection are between VCC and GND, and node one end of RL and RC is connected on the I/O port of single-chip microcomputer.
Described illumination intensity Acquisition Circuit unit, single-chip microcomputer is connected with illumination intensity sensor, by carrying out collecting treatment to obtain indoor illumination intensity information to the AD value of photoresistor.
Said temperature Acquisition Circuit unit is gathered by the temperature data of DS18B20 temperature transducer to indoor, and other temperature transducer can be adopted equally to gather room temperature.
Be provided with infrared tube in described touch induction circuit unit, a pin with AD collecting function of single-chip microcomputer inside is connected with collector electrode one end of infrared tube, for the input to user instruction.
Described WiFi and bluetooth communication circuit unit are used for the communication between automatic frequency adjustment fan and mobile phone, computer.
Described OLED display circuit unit is used for timing, room temperature, illumination intensity, fan mode, and the information such as the rotational velocity of motor and motor stalling frequency show.
Described memory expansion circuit unit comprises SD card, for the expansion to internal memory.
Described alarm circuit unit comprises buzzer, LED light.
Second embodiment
See Fig. 3: optocoupler regulation and control frequency circuit unit comprises optocoupler U1 and resistance R2, the emission tube minus earth of optocoupler U1, positive pole is connected with resistance R2, and the other end of resistance R2 is connected with single-chip I/O mouth, the collector electrode of optocoupler U1 is connected with single-chip I/O mouth, and emitter and motor drive input end to be connected.
See Fig. 3: motor-drive circuit unit comprises N-type metal-oxide-semiconductor MOS1, resistance R1, R3, R4, diode DIO1, electric capacity C1, resistance R3 one end is connected with the emitter of optocoupler, and one end is connected with the grid of N-type metal-oxide-semiconductor.
Described motor-drive circuit unit, when the frequency that single-chip microcomputer produces certain dutycycle is to the collector electrode of optocoupler U1, the emission tube emission of light of optocoupler U1, the then collector and emitter conducting of optocoupler U1, the frequency of certain dutycycle is input to motor-driven frequency input R3 by monolithic function, motor-drive circuit works, and motor runs by certain rotating speed; The emission tube of optocoupler U1 not emission of light time, then the collector and emitter cut-off of optocoupler, the frequency of certain dutycycle that single-chip microcomputer produces can not be input to motor-driven frequency input R3, and motor-drive circuit quits work, motor stalling.The I/O port of single-chip microcomputer is connected with the emission tube of optocoupler U1, the adjustment being exported low and high level and high level delay time and low level delay time by this pin and then realized motor stalling frequency.
When the emission tube emission of light of optocoupler U1, during the collector and emitter conducting of optocoupler, single-chip microcomputer exports the collector electrode of frequency to optocoupler U1 of different duty, the frequency of different duty can be delivered to motor and drive input end R3 by the emitter of optocoupler U1, thus motor-drive circuit exports different power to motor, thus realize the stepless time adjustment to motor.
Described optocoupler regulation and control frequency circuit unit, programmable single chip computer is by shining intensity data information and process to the temperature and light of indoor, the collector electrode of frequency to optocoupler shining the corresponding dutycycle of intensity with the temperature and light now gathered is exported by the PWM output function of single-chip microcomputer inside, emitter one end of optocoupler is connected to motor drive signal input end, thus realizes the control to motor speed; The I/O port of single-chip microcomputer is connected to the emission tube of optocoupler, exported with the temperature and light that now gathers according to the corresponding low and high level of intensity and high level delay time and low level delay time and then the adjustment that realizes motor stalling frequency by this pin, thus achieve to regulate and control the independence of motor stalling frequency and speed.
When indoor illumination intensity and temperature change, speed and the stall frequency of motor will make corresponding adjustment, when illumination intensity and temperature-resistant time, the speed of motor and stall frequency will be stabilized in certain scope, namely achieve corresponding different motor speed and motor stalling frequency under the condition of different illumination intensity with different temperatures, thus realize automatic frequency adjustment and automatic speed regulation.
3rd embodiment
If Fig. 4 is by day with under nighttime conditions, the PWM curve of output corresponding to different temperature.
Embodiment: set up corresponding model by mathematics, is divided into 120 parts by speed, the different PWM curve of output of curve 1 corresponding to temperature different in situation by day, thus corresponding different motor speed, thus corresponding different wind speed.The different PWM curve of output of curve 2 corresponding to temperature different under nighttime conditions, thus corresponding different wind speed.
If Fig. 5 is by day, the motor stalling frequency curve corresponding to different temperature.
Embodiment: set up corresponding model by mathematics, curve 1 is the operating time that motor is corresponding in one-period, curve 2 is the stop time that motor is corresponding in one-period, setting maximum functional and stop time are respectively 7 seconds, and variation with temperature changes by the operating time of motor in one-period and stop time.Such as: when temperature is 30 degree, in one-period, machine operation stops 4 seconds in 4 seconds, and when temperature variation is 38 degree, machine operation 4.6 seconds in one-period, stops 3.5 seconds, motor stalling frequencies corresponding different under different temperature conditions thus.
If Fig. 6 is at night, the motor stalling frequency curve corresponding to different temperature.Embodiment: set up corresponding model by mathematics, curve 1 is the operating time that motor is corresponding in one-period, and curve 2 is the stop time that motor is corresponding in one-period, and setting maximum functional and stop time are respectively 13 seconds.Variation with temperature changes by the operating time of motor in one-period and stop time, motor stalling frequencies corresponding different under different temperature conditions thus.
Four kinds of mode of operations: general mode: adjustment motor speed can only be touched by staff, cannot adjust the stall frequency of motor.
Hopping pattern: process according to strength information gathered temperature and light according to single-chip microcomputer, automatically adjustment motor stalling frequency, can touch regulation and control motor speed by staff.
Intelligent mode: process according to strength information gathered temperature and light according to single-chip microcomputer, automatically adjustment motor speed and motor stalling frequency, do not touch adjustment motor speed by staff.
Sleep pattern: by setting up a time shaft, namely in motor speed and the motor stalling frequency of different moment correspondence system settings, cannot touch adjustment motor speed and motor stalling frequency by staff.
4th embodiment
Mobile phone, computer client software can calling mobile phone, computer inside hardware resource, the quick-setting to timing, motor speed and motor stalling frequency can be realized by the various sensors of interior of mobile phone, by WiFi or Bluetooth communication, the parameter information of setting be sent to automatic frequency adjustment fan.
User can arrange various parameter by mobile phone and computer client software, design the sleep curve being applicable to oneself, user can upload self-designed sleep curve to client platform by cloud service, same user can download by client platform the sleep curve that other people share, after user downloads, mobile phone, computer terminal can by WiFi or Bluetooth communication automatically by download program to automatic frequency adjustment fan.Can be set up the sleep curve library of people in different geographical, varying environment, different habits and customs by client platform and cloud service, user can experience various sleep curve and share sleep curve.
Equally, people can be set up in different geographical, varying environment, different habits and customs by day and night by client platform and cloud service, PWM curve of output storehouse corresponding to different temperature, motor stalling frequency curve storehouse corresponding to different temperature, by building client platform, user can be made independently to share diversified mode of operation.
Under human body is in different sleep states (deep sleep and light sleep), the body of people is in different active states, in a sleep mode, wind speed and the stall frequency of fan should being reduced, increasing the operating time of fan in one-period and stop time, by setting up a time shaft, namely in motor speed and the motor stalling frequency of different moment correspondence system settings, advantageously in the health of human body, the old man poor for physique and child, more useful.
The foregoing is only preferred embodiment of the present invention, be not used for limiting practical range of the present invention; Every equivalence change of doing according to the present invention and amendment, all cover by the scope of claims of the present invention.
Claims (7)
1. an automatic frequency adjustment fan, comprise user's control circuit unit and motor-drive circuit unit, it is characterized in that the inner pin with PWM output function of single-chip microcomputer is connected to collector electrode one end of optocoupler, emitter one end of optocoupler is connected to the PWM frequency input end of motor-drive circuit unit, and a pin of single-chip microcomputer is connected to emission tube positive pole one end of optocoupler.
2. a kind of automatic frequency adjustment fan according to claim 1, it is characterized in that: described user's control circuit unit comprises illumination intensity Acquisition Circuit unit, temperature collection circuit unit, optocoupler regulation and control frequency circuit unit, touch induction circuit unit, WiFi and bluetooth communication circuit unit, OLED display circuit unit, memory expansion circuit unit, power circuit and electric fan.
3. a kind of automatic frequency adjustment fan according to claim 2, is characterized in that: in described temperature collection circuit unit, single-chip microcomputer is connected with temperature transducer.
4. a kind of automatic frequency adjustment fan according to claim 2, is characterized in that: in described illumination intensity Acquisition Circuit unit, single-chip microcomputer is connected with illumination intensity sensor, by carrying out collecting treatment to the AD value of photoresistor.
5. a kind of automatic frequency adjustment fan according to claim 2, is characterized in that: be provided with infrared tube in described touch induction circuit unit, and a pin with AD collecting function of single-chip microcomputer inside is connected with collector electrode one end of infrared tube.
6. a kind of automatic frequency adjustment fan according to claim 2, is characterized in that: described WiFi and bluetooth communication circuit unit are used for radio communication.
7. a kind of automatic frequency adjustment fan according to claim 2, it is characterized in that: in described optocoupler regulation and control frequency circuit unit, the inner pin with PWM output function of single-chip microcomputer is connected to collector electrode one end of optocoupler, emitter one end of optocoupler is connected to the PWM frequency input end of motor-drive circuit unit, and a pin of single-chip microcomputer is connected to emission tube positive pole one end of optocoupler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520676881.9U CN204921438U (en) | 2015-09-04 | 2015-09-04 | Automatic frequency modulation fan |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520676881.9U CN204921438U (en) | 2015-09-04 | 2015-09-04 | Automatic frequency modulation fan |
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| CN204921438U true CN204921438U (en) | 2015-12-30 |
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| CN201520676881.9U Expired - Fee Related CN204921438U (en) | 2015-09-04 | 2015-09-04 | Automatic frequency modulation fan |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065317A (en) * | 2015-09-04 | 2015-11-18 | 宋彦震 | Automatic frequency adjustment fan and control method thereof |
| CN105978416A (en) * | 2016-06-21 | 2016-09-28 | 卫星电子（中山）有限公司 | Hall-free ceiling fan motor controller and starting method thereof |
| CN106253769A (en) * | 2016-08-08 | 2016-12-21 | 珠海格力节能环保制冷技术研究中心有限公司 | DC fan motor control circuit and apply its control method |
| CN107420334A (en) * | 2017-06-09 | 2017-12-01 | 深圳市盛仕达电子有限公司 | A kind of speed-adjusting and control system of pipeline fan |
-
2015
- 2015-09-04 CN CN201520676881.9U patent/CN204921438U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065317A (en) * | 2015-09-04 | 2015-11-18 | 宋彦震 | Automatic frequency adjustment fan and control method thereof |
| CN105978416A (en) * | 2016-06-21 | 2016-09-28 | 卫星电子（中山）有限公司 | Hall-free ceiling fan motor controller and starting method thereof |
| CN106253769A (en) * | 2016-08-08 | 2016-12-21 | 珠海格力节能环保制冷技术研究中心有限公司 | DC fan motor control circuit and apply its control method |
| CN106253769B (en) * | 2016-08-08 | 2018-12-04 | 珠海格力电器股份有限公司 | Direct current fan motor control circuit and control method applying same |
| CN107420334A (en) * | 2017-06-09 | 2017-12-01 | 深圳市盛仕达电子有限公司 | A kind of speed-adjusting and control system of pipeline fan |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20180904 |