CN202690496U - Temperature and sound-based fan control device - Google Patents
Temperature and sound-based fan control deviceDownload PDFInfo
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- CN202690496U CN202690496UCN 201220355191CN201220355191UCN202690496UCN 202690496 UCN202690496 UCN 202690496UCN 201220355191CN201220355191CN 201220355191CN 201220355191 UCN201220355191 UCN 201220355191UCN 202690496 UCN202690496 UCN 202690496U
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Abstract
Description
Technical field
The utility model relates to a kind of electric fan control gear, is specifically related to a kind of electric fan control gear based on temperature and sound.
Background technique
At present, the market of fading out does not still have the large market share to domestic electric fan along with popularizing of air-conditioning, even occurs with the complementary phenomenon of air-conditioning.Although electric fan has its market advantage, but the traditional electrical fan still has many places to improve, for example the common electrical fan can not be regulated the wind-force size automatically in time according to the variation of ambient temperature, and traditional mechanical knob formula electric fan can only pass through hand switch, operation inconvenience.
The model utility content
The utility model purpose is to overcome the deficiency that the common electrical fan control device can not automatically be regulated according to the variation of temperature the wind-force size, and a kind of simple and practical electric fan control gear with temperature control voice control function is provided.This electric fan control gear is in when work, can sensing and show Current Temperatures; When ambient temperature is higher than the minimum temperature of internal system setting, electric fan is opened automatically, while is according to the height of temperature, the pwm signal that the one-chip computer module output duty cycle is adjustable is controlled motor speed-regulating module drive fan electromotor and is turned round with friction speed, thereby realize the temperature variant intelligence adjusting of wind speed, both save power consumption, improved again user's comfort level.Use for convenient, this electric fan control gear also provides a kind of acoustic control means for user selection, when voice control function is effective, and can be by the start and stop of Sound control fan electromotor.
The technical solution of the utility model is:
A kind of electric fan control gear based on temperature and sound, mainly bypower plug 6,manual switch 5, digitaltemperature sensor module 1,sound collection module 2,DC power supplier 3,temperature display module 8, one-chip computer module 4 and motor speed-regulatingmodule 7 form, it is characterized in that, carry out analysing and processing behind the signal of one-chip computer module reception from digital temperature sensor and sound acquisition module, again to motor speed-regulating module output control signal, motor speed-regulating module output chopped mode alternating signal drives the fan electromotor that connects and turns round with friction speed under the effect of this control signal.
Described a kind of electric fan control gear based on temperature and sound, it is characterized in that, described control signal is pwm signal, the dutycycle of pwm signal is 100% when ambient temperature is higher than temperature upper limit TH, the dutycycle of pwm signal is 0% when ambient temperature is lower than lowest temperature value TL, and the dutycycle of pwm signal is calculated by linear interpolation and obtained when ambient temperature is between the upper lower limit value.
Described a kind of electric fan control gear based on temperature and sound is characterized in that, described sound collection module (2) is exported the external interrupt that a low level signal triggers single-chip microcomputer when collecting sound; And one-chip computer module (4) have a jumper switch can to external interrupt whether allow set.
Described a kind of electric fan control gear based on temperature and sound is characterized in that, digital temperature sensor module (1) adopts digital integrate thermometer sens or DS18B20.
Described a kind of electric fan control gear based on temperature and sound is characterized in that, temperature display module (8) adopts three common cathode nixie tubes to show Current Temperatures, and the form of temperature value is that 2 integers add a decimal.
Described a kind of electric fan control gear based on temperature and sound, it is characterized in that, described DC power supplier (3) carries out becoming after step-down, rectification, the voltage stabilizing direct current of 5V with the Ac of 220V, is digital temperature sensor module (1), sound collection module (2) and one-chip computer module (4) power supply.
Described a kind of electric fan control gear based on temperature and sound is characterized in that described motor speed-regulating module (7) is comprised of elements such as optocoupler, bidirectional triode thyristors.
Working principle of the present utility model is:
This is the single phase alternating current power supply of 220V based on the power supply that the electric fan control gear of temperature and sound adopts, and going here and there at the live wire of power line has a manual switch, controls power connection and the disconnection of whole device by this switch.The DC power supplier of this control gear carries out becoming after step-down, rectification, the voltage stabilizing direct current of 5V with the single-phase alternating current of 220V, is digital temperature sensor module, sound collection module and one-chip computer module power supply.
This is based on the temperature of the digital temperature sensor module senses current environment of the electric fan control gear of temperature and sound, and temperature value sent to one-chip computer module with the form of digital signal, one-chip computer module carries out analysing and processing after receiving this signal, to the temperature display module the transmission of data, form with 2 integers and 1 decimal on nixie tube shows current temperature, simultaneously to the adjustable pwm signal of motor speed-regulating module output duty cycle, motor speed-regulating module output chopped mode alternating signal under the control of pwm signal, drive the fan electromotor that connects and turn round with friction speed, realize the adjusting of fan wind speed.When pwm signal is high level, the bidirectional triode thyristor conducting of motor speed-regulating module will be loaded into from the Ac that live wire is inputted on institute's connection fan electromotor, the fan motor running; When pwm signal is low level, the not conducting of bidirectional triode thyristor of motor speed-regulating module, the power supply of cut-out institute connection fan electromotor, fan electromotor shuts down.Enough weak points that the pwm signal cycle arranges and make the user discover quick switching less than the fan swicth state.Change the dutycycle of pwm signal, under the driving of motor speed-regulating module, the mean speed of fan electromotor that this module connects will correspondingly change.
Human body dispels the heat by modes such as radiation, conduction, convection current, evaporations, and when ambient temperature rose to a certain degree, it is comparatively difficult that human-body radiating will become, and at this moment can help heat radiation by modes such as blowings.Under hot environment, can accelerate heat radiation by suitable increase wind-force, improve human comfort.This is connected the electric fan control gear based on temperature with sound can change intelligently according to the variation of ambient temperature the rotating speed of institute's connection fan electromotor.When the ambient temperature that senses is higher than the temperature upper limit TH of setting, the one-chip computer module output duty cycle be 100% pwm signal to the motor speed-regulating module, the motor speed-regulating module is loaded into Ac on the fan electromotor, the fan electromotor full-speed operation; When the ambient temperature that senses was lower than the lowest temperature value TL of setting, the one-chip computer module output duty cycle was 0% pwm signal, thereby so that fan electromotor shut down; When the ambient temperature that senses is between the temperature upper lower limit value, the dutycycle of one-chip computer module output pwm signal is calculated by linear interpolation and is obtained: D=(T-TL)/(TH-TL), wherein T is ambient temperature, under the control of pwm signal, motor speed-regulating fan motor runs that module drive connects is directly proportional with the dutycycle of this pwm signal so that the mean speed of fan and wind-force are approximate.This output based on the pwm signal of the electric fan control gear of temperature and sound realizes in the timer interrupt service routine of one-chip computer module software.
Be easy-to-operat, this electric fan control gear based on temperature and sound provides a kind of voice control function for user selection.One-chip computer module have a jumper switch can to external interrupt whether allow set, when jumper switch during not by short circuit, the Sound control function is effective; Closed hand switch, power connection, collect for the first time the sound signal of some strength when the sound collection module after, to export a low level signal, this signal is connected to one-chip computer module external interrupt input end, trigger the first operation of external interrupt service routine and start timer, thereby realize the output of pwm signal, institute's wind-receiving fan motor normal operation; With the timeing closing device, and control motor speed-regulating module cuts off the Alternating Current Power Supply of institute's connection fan electromotor when the sound collection module collects useful signal for the second time, and fan electromotor stops operating.The cyclic switching that when the sound collection module continues to collect useful signal, will trigger the fan electromotor normal operation and stop.Voice control function only is adapted in the quiet environment, and when ambient noise was larger, the user can forbid voice control function by the short circuit jumper switch, and system forbade external interrupt and directly started timer this moment, thus so that institute's wind-receiving fan motor normal operation.
The utility model has the advantages that:
1, the utility model can be regulated the electric fan wind speed automatically according to external temperature, need not manual tune, and time saving and energy saving, and improved user's comfort level;
2, the utility model can be in low temperature environment autoshutdown electric fan or reduce electric fan wind speed, saving power;
3, the utlity model has voice control function, can realize by acoustic control the start and stop of distant control electric fan, the user can close the Sound control function by jumper switch simultaneously, has guaranteed rationality and the practicability of this device;
4, in real time sensing Current Temperatures and intuitively demonstration on nixie tube of the utility model.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described:
Fig. 1 is that the utility model is based on the structural representation of the electric fan control gear of temperature and sound.
Fig. 2 is that the utility model is based on motor speed-regulating module and the voice control function selecting circuit structure schematic representation of the electric fan control gear of temperature and sound.
Fig. 3 is that the utility model is based on the electric fan control gear system initialization flow chart of temperature and sound.
Fig. 4 is that the utility model is based on the external interrupt service routine flow chart of the electric fan control gear of temperature and sound.
Fig. 5 is that the utility model is based on the timer interrupt service routine flow chart of the electric fan control gear of temperature and sound.
Fig. 6 is the utility model based on the waveform schematic representation of the electric fan control gear of temperature and sound one-chip computer module output pwm signal when 31 ℃ and 30 ℃.
Embodiment
Embodiment:
As shown in Figure 1, the utility model mainly is comprised ofpower plug 6,manual switch 5, digitaltemperature sensor module 1,sound collection module 2,DC power supplier 3,temperature display module 8, one-chip computer module 4 and motor speed-regulatingmodule 7 based on the electric fan control gear of temperature and sound.Wherein the digital temperature sensor module is comprised of DS18B20 and pull-up resistor, the motor speed-regulating module is comprised of optocoupler MOC3041, bidirectional triode thyristor and other elements, DC power supplier carries out becoming after step-down, rectification, the voltage stabilizing direct current of 5V with the single-phase alternating current of 220V, is digital temperature sensor module, sound collection module and one-chip computer module power supply.
As shown in Figure 2, the motor speed-regulating module receives the control signal of single-chip microcomputer and exchanges the driving signal to the fan electromotor output chopped mode that connects.Among Fig. 2, J1 connects the live wire of Ac, J2 wind-receiving fan motor power input end.Pwm control signal links to each other with the optocoupler MOC3041 of motor speed-regulating module through a not gate after the P1.4 pin output of single-chip microcomputer.When P1.4 pin output high level, optocoupler conducting, and then the conducting of triggering bidirectional triode thyristor T1 will be loaded into from the Ac that live wire is inputted on institute's connection fan electromotor the fan motor running; When P1.4 pin output low level, optocoupler cut-off does not trigger the bidirectional triode thyristor conducting, and institute's connection motor disconnects and stops operating from ac power supply.
As shown in Figure 3, closed manual switch, plugged, the one-chip computer module initialization, with acoustic control Identifier flag and circulating cycle issue sp zero setting, and the timing cycle ofinitialization timing device 0 is 20ms, and then one-chip computer module is controlled the Alternating Current Power Supply that the motor speed-regulating module is cut off institute's connection fan electromotor to low level of P1.4 pin output, and fan electromotor does not turn round.One-chip computer module reads the level state of pin P1.2 and carries out analysing and processing, if P1.2 is high level, then allows external interrupt to trigger, otherwise forbids that external interrupt triggers and the startup timer.
As shown in Figure 4, when external voice triggers sound collection module output low level, the external interrupt of one-chip computer module will be triggered.In this external interrupt service routine, with acoustic control Identifier flag negate, judge then whether flag is 0, if flag is 0, stops so timer, simultaneously to low level of P1.4 pin output; If flag is 1, start so timer.
Common people feel the most comfortable in the situation of about 25 ℃ of ambient temperatures, as preferably, but the setting temperature upper lower limit value is respectively 35 ℃ and 25 ℃, and these two values are kept in the flash storage of single-chip microcomputer and can make amendment by program.
Aftertimer 0 starts, will triggertimer 0 interrupt service routine No. one time every 20ms.As shown in Figure 5, intimer 0 interrupt service routine, one-chip computer module gathers current environmental temperature and itself and the temperature upper lower limit value that sets is compared processing by the digital temperature sensor module.When Current Temperatures was higher than temperature upper limit, the single-chip microcomputer output duty cycle was 100% pwm signal, the always conducting of the bidirectional triode thyristor of motor speed-regulating module, and institute's connection fan electromotor full-speed operation, electric fan is with maximum wind speed work; When Current Temperatures was lower than the lowest temperature value, the one-chip computer module output duty cycle was 0% pwm signal, the not conducting of bidirectional triode thyristor of motor speed-regulating module, and fan electromotor shuts down; When Current Temperatures is between the temperature upper lower limit value, the dutycycle of pwm signal is controlled by Current Temperatures, dutycycle D calculates by linear interpolation method and obtains, then circulating cycle issue sp and 10*D are compared, if sp＜10*D then exports high level, otherwise output low level, then judge again whether sp equals 10 after sp being added 1, if sp is not equal to 10 then directly jump out timer program, otherwise will jump out again timer program behind the sp again zero setting.Taketimer 0 interrupt service routine circular flow 10 times as a PWM cycle, its Cycle Length is 200ms.
As shown in Figure 6, if ambient temperature is 30 ℃, the dutycycle of pwm signal is 50% so, the time output high level that 100ms is namely arranged within the cycle of 200ms, internal fan motor rotation during this period of time, all the other time fan electromotors do not turn round, and this moment, the fan mean wind velocity was about 50% of maximum wind speed; If ambient temperature has risen 1 ℃ during than 30 ℃, the dutycycle of pwm signal becomes 60% so, and fan electromotor has 60% time running within the cycle of 200ms, and the fan mean wind velocity rises to about 60% of maximum wind speed.
Whether the enabling of the utility model Sound control function arranges by the jumper switch S1 among Fig. 6, jumper switch one end is connected to ground, the other end is connected to the P1.2 pin of one-chip computer module, and P1.2 pin one side also is connected to power supply VCC end by a pull-up resistor.When jumper switch during not by short circuit, the P1.2 pin of one-chip computer module is set to high level, if jumper switch by short circuit, the P1.2 pin of one-chip computer module is set to low level so.These two kinds of level states can be used for distinguishing whether enabling of Sound control function.
The utility model is assemblied in all module integrations on the circuit board and with being fixed on the blower tray after the plastic box encapsulation.When the user controls electric fan with the utility model, the plug that plugs in first, closed manual switch then, plugged.
After this electric fan control gear process initialization based on temperature and sound, show current temperature value at nixie tube.If jumper switch is by short circuit, the Sound control function is closed so, just electric fan can be intelligently according to Current Temperatures with corresponding wind speed work.If jumper switch is not by short circuit, the Sound control function is effective so, can control by sound the running of fan electromotor, this moment, the user was by the mode such as the clap hands signal of sounding, make low level signal of sound collection module output, trigger one-chip computer module output pwm control signal so that electric fan according to Current Temperatures with corresponding wind speed work; If the user wants to close electric fan, can again clap hands or other modes signal of sounding, fan electromotor will stop operating.When the user thinks when not needing to dry, can come powered-down by disconnecting manual switch.
The above only is preferred embodiment of the present utility model; illustrative rather than determinate to this detailed description based on the electric fan control gear of temperature and sound; therefore in the variation and the modification that do not break away under the utility model general plotting, should belong to protection domain of the present utility model.
Claims (7)
1. electric fan control gear based on temperature and sound, mainly by power plug (6), manual switch (5), digital temperature sensor module (1), sound collection module (2), DC power supplier (3), temperature display module (8), one-chip computer module (4) and motor speed-regulating module (7) form, it is characterized in that, carry out analysing and processing behind the signal of one-chip computer module reception from digital temperature sensor and sound acquisition module, again to motor speed-regulating module output control signal, motor speed-regulating module output chopped mode alternating signal drives the fan electromotor that connects and turns round with friction speed under the effect of this control signal.
2. a kind of electric fan control gear based on temperature and sound according to claim 1, it is characterized in that, described control signal is pwm signal, the dutycycle of pwm signal is 100% when ambient temperature is higher than temperature upper limit TH, the dutycycle of pwm signal is 0% when ambient temperature is lower than lowest temperature value TL, and the dutycycle of pwm signal is calculated by linear interpolation and obtained when ambient temperature is between the upper lower limit value.
3. a kind of electric fan control gear based on temperature and sound according to claim 1 is characterized in that, described sound collection module (2) is exported the external interrupt that a low level signal triggers single-chip microcomputer when collecting sound; And one-chip computer module (4) have a jumper switch can to external interrupt whether allow set.
4. a kind of electric fan control gear based on temperature and sound according to claim 1 is characterized in that, digital temperature sensor module (1) adopts digital integrate thermometer sens or DS18B20.
5. a kind of electric fan control gear based on temperature and sound according to claim 1, it is characterized in that, described temperature display module (8) adopts three common cathode nixie tubes to show Current Temperatures, and the form of temperature value is that 2 integers add a decimal.
6. a kind of electric fan control gear based on temperature and sound according to claim 1, it is characterized in that, described DC power supplier (3) carries out becoming after step-down, rectification, the voltage stabilizing direct current of 5V with the Ac of 220V, is digital temperature sensor module (1), sound collection module (2) and one-chip computer module (4) power supply.
7. a kind of electric fan control gear based on temperature and sound according to claim 1 is characterized in that described motor speed-regulating module (7) is comprised of elements such as optocoupler, bidirectional triode thyristors.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220355191CN202690496U (en) | 2012-07-18 | 2012-07-18 | Temperature and sound-based fan control device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220355191CN202690496U (en) | 2012-07-18 | 2012-07-18 | Temperature and sound-based fan control device |
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| CN202690496Utrue CN202690496U (en) | 2013-01-23 |
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| CN 201220355191Expired - Fee RelatedCN202690496U (en) | 2012-07-18 | 2012-07-18 | Temperature and sound-based fan control device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321935A (en)* | 2013-07-05 | 2013-09-25 | 无锡商业职业技术学院 | Electric fan controller |
| CN103690021A (en)* | 2013-12-27 | 2014-04-02 | 广西瀚特信息产业股份有限公司 | Device and method for wirelessly controlling curtains |
| CN104791280A (en)* | 2015-04-17 | 2015-07-22 | 岭南师范学院 | Method for controlling electric fan using sound |
| US20150262468A1 (en)* | 2014-03-13 | 2015-09-17 | Wei-Li YANG | Power socket temperature alarm device |
| CN105090085A (en)* | 2015-09-24 | 2015-11-25 | 岭南师范学院 | Intelligent and simple sound control method for electric fan |
| CN105240304A (en)* | 2015-10-26 | 2016-01-13 | 方国聪 | Intelligent controller |
| CN107229296A (en)* | 2016-03-23 | 2017-10-03 | 重庆医药高等专科学校 | Intelligent cooling remote control weak current box and its intelligent cooling method |
| CN109802667A (en)* | 2019-03-08 | 2019-05-24 | 天津市津耐电器有限公司 | A kind of intelligent radio switch driving circuit |
| CN109901467A (en)* | 2019-03-08 | 2019-06-18 | 天津市津耐电器有限公司 | An intelligent wireless switch system based on Android control |
| CN111927810A (en)* | 2020-07-23 | 2020-11-13 | 深圳市几素科技有限公司 | Charging and discharging information data processing method and device applied to handheld fan |
- 2012
- 2012-07-18CNCN 201220355191patent/CN202690496U/ennot_activeExpired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321935A (en)* | 2013-07-05 | 2013-09-25 | 无锡商业职业技术学院 | Electric fan controller |
| CN103690021A (en)* | 2013-12-27 | 2014-04-02 | 广西瀚特信息产业股份有限公司 | Device and method for wirelessly controlling curtains |
| US20150262468A1 (en)* | 2014-03-13 | 2015-09-17 | Wei-Li YANG | Power socket temperature alarm device |
| CN104791280A (en)* | 2015-04-17 | 2015-07-22 | 岭南师范学院 | Method for controlling electric fan using sound |
| CN105090085A (en)* | 2015-09-24 | 2015-11-25 | 岭南师范学院 | Intelligent and simple sound control method for electric fan |
| CN105240304B (en)* | 2015-10-26 | 2017-05-24 | 方国聪 | Intelligent controller |
| CN105240304A (en)* | 2015-10-26 | 2016-01-13 | 方国聪 | Intelligent controller |
| CN107229296A (en)* | 2016-03-23 | 2017-10-03 | 重庆医药高等专科学校 | Intelligent cooling remote control weak current box and its intelligent cooling method |
| CN107229296B (en)* | 2016-03-23 | 2022-08-16 | 重庆医药高等专科学校 | Intelligent cooling remote control weak current box and intelligent cooling method thereof |
| CN109802667A (en)* | 2019-03-08 | 2019-05-24 | 天津市津耐电器有限公司 | A kind of intelligent radio switch driving circuit |
| CN109901467A (en)* | 2019-03-08 | 2019-06-18 | 天津市津耐电器有限公司 | An intelligent wireless switch system based on Android control |
| CN111927810A (en)* | 2020-07-23 | 2020-11-13 | 深圳市几素科技有限公司 | Charging and discharging information data processing method and device applied to handheld fan |
| CN111927810B (en)* | 2020-07-23 | 2021-02-26 | 深圳市几素科技有限公司 | A charging and discharging information data processing method and device applied to a hand-held fan |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | Granted publication date:20130123 Termination date:20130718 |