CN109737075A - A kind of multi-mode induced intelligent energy-saving fan - Google Patents
A kind of multi-mode induced intelligent energy-saving fan Download PDFInfo
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- CN109737075A CN109737075A CN201811079341.7A CN201811079341A CN109737075A CN 109737075 A CN109737075 A CN 109737075A CN 201811079341 A CN201811079341 A CN 201811079341A CN 109737075 A CN109737075 A CN 109737075A
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Abstract
A kind of multi-mode induced intelligent energy-saving fan.The present invention is realized by design hardware system and program to be automatically adjusted the temperature-controlled fan of motor speed with variation of ambient temperature while realizing automatic start-stop by infrared induction, thus energy saving.The invention patent provides a kind of multi-mode induced intelligent energy-saving fan system, including power module, 51 single-chip microcontrollers, temperature sensor, temperature display charactron, square-wave generator, liquid crystal display, bidirectional triode thyristor, pyroelectric infrared sensor, fan motor.The temperature sensor acquires environment temperature and is transferred to 51 single-chip microcontrollers, and PWM duty cycle wave intelligently adjusting fan motor rotational speed is calculated and exported by temperature control module program, realizes intelligent temperature control function of stepless speed regulation.In addition it devises pyroelectric infrared sensor module and automatically controls fan start and stop.Intelligent power saving fan of the invention saves electric energy and improves comfort level, has important reference to other intelligent electrical apparatus energy conservations etc. are studied.
Description
Technical field
The invention belongs to fan technology fields, and in particular to a kind of multi-mode induced intelligent energy-saving fan.
Background technique
Fan is one of most common household electrical appliance, and with its low cost, low power consuming, blowing range be wide etc., advantages are widely used in
In daily life.Common rotation speed of the fan divides several grades currently on the market, cannot automatically adjust revolving speed, night temperature with environment temperature
Degree decline is easy to blow flu by fan.In addition, fan is mostly key switch and remote control switch control, fan timing length is generally all
It is limited in one hour, if people leaves, it may appear that " people walks fan and turns " formula wasting phenomenon.
The intelligentized requirement of electric fan is continuously improved in pursuit with people to quality of the life.Through to the prior art
Literature search, it is domestic at present not yet it is a kind of it is disclosed, effectively with environment temperature real time stepless speed change, infrared induction multimode
Formula induced intelligent energy-saving fan.Therefore, based on the above situation, the invention patent devises a kind of multi-mode induced intelligent energy saving wind
Fan saves electric energy and improves comfort level；Infrared induction automatic start-stop function, people are away from home powered-down without worrying to forget
Fan, intelligence change people's lives.
Summary of the invention
The one kind that is designed to provide of the invention patent can be according to environment temperature automatic adjustment rotation speed of the fan；People is
It opens, multi-mode induced intelligent energy-saving fan of the people from the infrared induction automatic start-stop closed, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the invention provides the following technical scheme:
A kind of multi-mode induced intelligent energy-saving fan, including power module, 51 single-chip microcontrollers, temperature sensor, temperature display are digital
Pipe, square-wave generator, liquid crystal display, bidirectional triode thyristor, pyroelectric infrared sensor module, fan motor, which is characterized in that
The temperature sensor acquires environment temperature and is transferred to 51 single-chip microcontrollers, and 51 single-chip microcontrollers acquire environment temperature and setting target temperature
Degree calculates duty ratio by program and is transmitted in square-wave generator rear output phase and answers duty ratio PWM wave, passes through amplifying circuit
Driving fan brshless DC motor realizes intelligent temperature control step-less adjustment rotation speed of the fan function.
As a preferred solution of the present invention: the power module is powered by PCB circuit main board, including monolithic processor resetting electricity
Road, crystal oscillating circuit, temperature range setting and display circuit, serial communication and duty ratio display circuit, infrared thermal release electric human body sense
Answer circuit, motor-drive circuit, temperature collection circuit etc..
As a preferred solution of the present invention: the temperature range setting and display circuit contain K1, tri- keys of K2, K3, K1
Single-chip microcontroller P0.4, K2 connection single-chip microcontroller P0.5, K3 connection single-chip microcontroller P0.6 are connected, when reset, when pressing K1, temperature upper limit value adds
1, temperature upper limit value range recycles selection between 10-30；When pressing K3, temperature upper limit adds 1, and temperature upper limit is in 20-40
Between recycle selection；Until pressing K2, temperature setting program terminates, and carries out the stage by temperature automatic control revolving speed.
As a preferred solution of the present invention: single-chip microcontroller is sent out by TXD in above-mentioned serial communication and duty ratio display circuit
Send corresponding duty cycle data to square-wave generator, square-wave generator shows duty cycle data on LCD, and exports PWM
Wave, in addition, duty ratio can be manually adjusted there are two key.
As a preferred solution of the present invention: two adjustable potentiometers are used in above-mentioned infrared thermal release electric body induction circuit
Sensitivity and delay are adjusted, sensor output is high level when people is close, and OUT terminal mouth is defeated when realizing that people is close by NOT gate
Low level out.
As a preferred solution of the present invention: the pwm signal exported in above-mentioned motor-drive circuit drives electricity after amplifying
Machine rotation, one bidirectional triode thyristor of access controls on-off in circuit, and grid is connected to the output of pyroelectric infrared sensor, only when
When people is close, motor circuit can be just switched on, so that fan realizes people to open, people walks the automatic start-stop function of closing.
As a preferred solution of the present invention: temperature sensor DS18B20 is monobus in above-mentioned temperature collection circuit, and single
Piece machine only needs a data wire to be communicated.
As a preferred solution of the present invention: 51 above-mentioned single-chip microcontroller model AT89C51 realize reading and writing data and storage,
And the output pulse sequence on ALE line automatically, allow to access the outer program storage of piece.
Compared with prior art, advantageous effects of the invention are mainly reflected in: temperature sensor real-time measurement ring
Border temperature, single-chip microcontroller calculate duty ratio by program and are transmitted to defeated after square-wave generator according to environment temperature, set temperature
Corresponding duty ratio PWM wave out, driving fan motor realize that intelligent temperature control adjusts revolving speed, realize stepless shift function.When environment temperature
When spending high, rotation speed of the fan improves automatically；Conversely, rotation speed of the fan reduces automatically when environment temperature reduces.It, can by so operating
To bring comfort to people, make one not allowing easy catching a cold, and save electric energy.Fan motor is opened by pyroelectric infrared sensor control
Close, only when people is close, motor circuit can be just switched on, thus fan realize people come open, people walks the automatic start-stop closed
Function saves electric energy.Intelligent fan of the invention realizes various modes induced intelligent energy conservation, and temperature measurement accuracy is high, infrared
Incude sensitive, structure is simple, and it is easy to operate, it is suitable for various types of fans, there is very high life application value.
Detailed description of the invention
Attached drawing 1 is the multi-mode induced intelligent energy-saving fan main control part structure chart of the invention patent.
Attached drawing 2 is the temperature range setting and display circuit figure of the invention patent.
Attached drawing 3 is the system block diagram of the multi-mode induced intelligent energy-saving fan of the invention patent.
Attached drawing 4 is the main program block diagram of the multi-mode induced intelligent energy-saving fan of the invention patent.
Attached drawing 5 is the waveform diagram that duty ratio is 65% in the invention patent.
Description of symbols:
1-PCB circuit main board；2-51 single-chip microcontrollers；3-power switches；4-temperature sensors；5-temperature display charactrons；
6-square-wave generators；7-liquid crystal displays；8-adjusting keys；9-it is two-way can be by silicon；10-pyroelectric infrared sensors；11—
Temperature setting key.
Specific embodiment
Patent for a better understanding of the present invention, with reference to the accompanying drawing, to the specific embodiment of the invention patent make into
One step detailed description, so that the technical solution of the invention patent is more readily understood and grasps.Based on the embodiments of the present invention,
It is all according to all the changes and improvements made by present patent application range etc., should all still belong to range that the invention patent covers it
It is interior.
As shown in Figure 1, a kind of multi-mode induced intelligent energy-saving fan main control part structure, include in figure: PCB circuit master
Plate, 51 single-chip microcontrollers, power switch, temperature sensor, temperature display charactron, square-wave generator, liquid crystal display, adjusting key,
It is two-way can be by silicon, pyroelectric infrared sensor, temperature setting key etc..
The first step builds power unit, and critical elements, interface device layout is arranged to want reasonable, facilitate operation, is compact, being convenient for
Welding and debugging power circuit are completed in line and welding.
Second step builds signal processing, considers signal flow, signal on circuit boards should sequential flowing as far as possible, keep away
Exempt from fork；It is first built since the source part of signal stream, side will be surveyed at once after having taken a circuit module in sequence
Examination, after this module testing is completely correct, then carry out adjacent block build and test job is successively built according to similar approach
Remaining circuit module.
The function of third step integrated circuit, index test verify whether to reach overall design objective.
Fig. 2 is please referred to, the temperature range setting and display circuit contain K1, tri- keys of K2, K3, K1 connection single-chip microcontroller
P0.4, K2 connect single-chip microcontroller P0.5, K3 connection single-chip microcontroller P0.6, and when reset, when pressing K1, temperature upper limit value adds 1, lowest temperature
Value range recycles selection between 10-30；When pressing K3, temperature upper limit adds 1, and temperature upper limit recycles choosing between 20-40
It selects；Until pressing K2, temperature setting program terminates, and carries out the stage by temperature automatic control revolving speed.
As shown in figure 3, the multi-mode induced intelligent energy-saving fan system block diagram of the invention patent, the system realize fan
The function that revolving speed is automatically adjusted with environment temperature, DS18B20 temperature sensor acquire environment temperature after, be sent into 51 single-chip microcontrollers in
The temperature range of setting is made comparisons calculating, and output PWM wave duty cycle data arrives square-wave generator, and square-wave generator is generated and accordingly accounted for
The PWM wave of empty ratio can show current duty cycle on liquid crystal display, realize intelligence by PWM amplifying circuit driving fan motor
It can temperature control adjusting rotating speed functions.When environment temperature is high, rotation speed of the fan improves automatically；Conversely, fan turns when environment temperature reduces
Fast automatic reduction.Fan motor by pyroelectric infrared sensor module output signal control bidirectional triode thyristor switch, only when
When people is close, motor circuit can be just switched on, thus fan realize people come open, people walks the function of closing, energy conservation and environmental protection.
Preferably, user can adjust desired temperature by manual temperature setting key (11) as needed.
As shown in figure 4, the main program block diagram of the multi-mode induced intelligent energy-saving fan of the invention patent, the system main program
User's set temperature range is required first, if K1, which is pressed, just adds 1, and displays temperature bound, K3 for temperature range lower data
It presses after 1, K2 end setup is added with regard to temperature upper limit, DS18B20 acquires environment temperature, and single-chip microcontroller reads the temperature into RAM, together
Shi Chengxu reads set temperature upper limit and lower data, calculates required duty ratio by program, and by TXD output duty cycle
PWM wave is sent to square-wave generator, and the LCD that square-wave generator is ined succession can show duty ratio, square-wave generator output
PWM wave after amplifying circuit driving motor, realize temperature control intelligently adjust rotation speed of the fan function.
Embodiment:
Using certain room as experimental place, SCM program set temperature range is 20 DEG C~30 DEG C, temperature sensor real-time monitoring
Room temperature is compared with the temperature setting range of single-chip microcontroller, and main program calculates required duty ratio and is conveyed into data
In square-wave generator, the waveform diagram (shown in Fig. 5) that duty ratio is 65% is obtained, duty ratio PWM wave driving fan motor realizes intelligence
Temperature control adjusts rotating speed functions.When environment temperature is high, rotation speed of the fan improves automatically；Conversely, when environment temperature reduces, rotation speed of the fan
It is automatic to reduce.Driving fan motor can bring comfort to people, make one not allowing easy catching a cold by so operating.In addition, fan
Motor is by the switch of pyroelectric infrared sensor module output signal control bidirectional triode thyristor, and only when people is close, motor is electric
Lu Caihui is switched on, thus fan realize people come open, people walks the automatic start-stop function of closing, energy conservation and environmental protection.
The invention patent fan realizes various modes induced intelligent energy conservation, and structure is simple, easy to operate, is suitable for various
The fan of type.It is all according to all the changes and improvements made by present patent application range etc., should all still belong to the invention patent
Within covering scope.
Claims (7)
1. a kind of multi-mode induced intelligent energy-saving fan, including power module, 51 single-chip microcontrollers (2), temperature sensor (4), temperature
Show charactron (5), square-wave generator (6), liquid crystal display (7), bidirectional triode thyristor (9), pyroelectric infrared sensor module
(10), fan motor, which is characterized in that the temperature sensor (4) acquires environment temperature and is transferred to 51 single-chip microcontrollers (2), 51
Output phase answers duty ratio after single-chip microcontroller (2) calculates output PWM wave duty cycle data in square-wave generator (6) by program
PWM wave realizes intelligent temperature control step-less adjustment rotation speed of the fan function by amplifying circuit driving fan brshless DC motor.
2. a kind of multi-mode induced intelligent energy-saving fan according to right 1, which is characterized in that the power module is by PCB
Circuit main board (1) power supply, including reset circuit of SCM, crystal oscillating circuit, temperature range setting and display circuit, serial communication and
Duty ratio display circuit, infrared thermal release electric body induction circuit, motor-drive circuit, temperature collection circuit etc., described 51 is single
Piece machine (2) includes AT89C51 single-chip microcontroller, realizes reading and writing data and storage, and the output pulse sequence on ALE line automatically, allows
Access the outer program storage of piece；The temperature sensor DS18B20(4) and single-chip microcontroller only a data wire is needed to be led to
Letter.
3. a kind of multi-mode induced intelligent energy-saving fan according to right 1, which is characterized in that the square-wave generator (6)
Duty cycle data is shown in LCD(7) above, and PWM wave is exported, in addition, duty ratio can be manually adjusted there are two key；
In addition, fan uses brshless DC motor, and the PWM wave for having duty ratio is received, realizes that temperature control adjusts rotation speed of the fan.
4. a kind of multi-mode induced intelligent energy-saving fan according to right 1, which is characterized in that the passive sensor
Device (10) is containing two adjustable potentiometers for adjusting sensitivity and delay, and when people is close, sensor output is high level, is
It is adapted with TRIAC, has added a NOT gate, OUT terminal mouth final output low level when such people is close.
5. a kind of multi-mode induced intelligent energy-saving fan according to right 1, which is characterized in that temperature display uses the decimal system
Seven segment digital tubes, and can display real-time environment temperature.
6. a kind of multi-mode induced intelligent energy-saving fan according to right 2, which is characterized in that 51 single-chip microcontrollers (2) connect automatically
The data of shrinkage temperature sensor (4) simultaneously calculate Optimal PWM duty ratio wave in real time.
7. a kind of multi-mode induced intelligent energy-saving fan according to right 2, which is characterized in that accessed in motor-drive circuit
One bidirectional triode thyristor (9) controls on-off, and grid is connected to the output of pyroelectric infrared sensor (10), only when people is close,
Motor circuit can be just switched on, realize fan people come open, people walks the automatic start-stop function of closing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811079341.7A CN109737075A (en) | 2018-09-17 | 2018-09-17 | A kind of multi-mode induced intelligent energy-saving fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811079341.7A CN109737075A (en) | 2018-09-17 | 2018-09-17 | A kind of multi-mode induced intelligent energy-saving fan |
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| Publication Number | Publication Date |
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| CN109737075A true CN109737075A (en) | 2019-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811079341.7A Pending CN109737075A (en) | 2018-09-17 | 2018-09-17 | A kind of multi-mode induced intelligent energy-saving fan |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109474213A (en) * | 2018-12-20 | 2019-03-15 | 航天科工智能机器人有限责任公司 | DC brushless motor speed regulating control case and speed regulating method with feedback |
| CN114442692A (en) * | 2021-12-30 | 2022-05-06 | 中国人民解放军陆军工程大学 | Intelligent temperature control device and method |
| CN116624418A (en) * | 2023-06-19 | 2023-08-22 | 朗戈智能系统(上海)有限公司 | Fan adjusting system and method of brushless fan controller |
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|---|---|---|---|---|
| CN101725556A (en) * | 2009-11-17 | 2010-06-09 | 暨南大学 | Multi-mode temperature control fan governor |
| CN203809330U (en) * | 2014-05-21 | 2014-09-03 | 金陵科技学院 | Automatic tracking smart fan |
| CN206129662U (en) * | 2016-09-21 | 2017-04-26 | 浙江师范大学 | Fan controller |
| CN107091242A (en) * | 2017-06-27 | 2017-08-25 | 湖南工业大学 | A kind of intelligent temperature control electric fan |
| CN107869475A (en) * | 2017-11-10 | 2018-04-03 | 安徽理工大学 | A kind of SCM Based intelligent fan control system |
-
2018
- 2018-09-17 CN CN201811079341.7A patent/CN109737075A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101725556A (en) * | 2009-11-17 | 2010-06-09 | 暨南大学 | Multi-mode temperature control fan governor |
| CN203809330U (en) * | 2014-05-21 | 2014-09-03 | 金陵科技学院 | Automatic tracking smart fan |
| CN206129662U (en) * | 2016-09-21 | 2017-04-26 | 浙江师范大学 | Fan controller |
| CN107091242A (en) * | 2017-06-27 | 2017-08-25 | 湖南工业大学 | A kind of intelligent temperature control electric fan |
| CN107869475A (en) * | 2017-11-10 | 2018-04-03 | 安徽理工大学 | A kind of SCM Based intelligent fan control system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109474213A (en) * | 2018-12-20 | 2019-03-15 | 航天科工智能机器人有限责任公司 | DC brushless motor speed regulating control case and speed regulating method with feedback |
| CN114442692A (en) * | 2021-12-30 | 2022-05-06 | 中国人民解放军陆军工程大学 | Intelligent temperature control device and method |
| CN116624418A (en) * | 2023-06-19 | 2023-08-22 | 朗戈智能系统(上海)有限公司 | Fan adjusting system and method of brushless fan controller |
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