CN207246081U - A kind of ultrasonic ranging intelligent fan - Google Patents
A kind of ultrasonic ranging intelligent fan Download PDFInfo
- Publication number
- CN207246081U CN207246081U CN201721294415.XU CN201721294415U CN207246081U CN 207246081 U CN207246081 U CN 207246081U CN 201721294415 U CN201721294415 U CN 201721294415U CN 207246081 U CN207246081 U CN 207246081U
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- Prior art keywords
- fan
- people
- control
- master control
- ultrasonic
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Abstract
The utility model belongs to electronic technology field, discloses a kind of ultrasonic ranging intelligent fan, is provided with collecting temperature data conversion into the temperature sensor of voltage signal；By it is silicon-controlled to fan electromotor carry out speed governing so that reach without people in order to control can adjust automatically wind-force size effect Arduino master control borads；It is used for realization the control of Fan Motor circuit that the rotating speed of fan is adjusted；Ultrasonic sensor for the direction of motion of distance measuring sensor detection people.Using the motor speed of electric fan as controlled variable, the digital temperature signal collected by master control plate analysis by temperature sensor, then speed governing is carried out to fan electromotor by silicon-controlled.So as to reach without people in order to control can adjust automatically wind-force size effect.The ultrasonic ranging intelligent fan detects the direction of motion of people by ultrasonic distance-measuring sensor, and the distance of people and fan is becoming, and wind-force size follows change.
Description
Technical field
The utility model belongs to electronic technology field, more particularly to a kind of ultrasonic ranging intelligent fan.
Background technology
Traditional electric fan most distinct issues, are that cannot be dropped according to the change timely adjustment wind-force size of temperature when morning
Electric fan is still working when warm, but people can not discover because of sleeping soundly, and has not only wasted electric resources but also has easily caused sense
Emit, traditional mechanical timer timing range is limited, and temperature change flexibly can not be handled.Traditional electric fan can not be according to people
Present position carry out adjust automatically its wind-force size, can only be moved by people oneself can just allow wind-force to reach preferably big
It is small.It is expensive and existing similar product function is single.The motor speed of traditional electric fan is divided into several gears, passes through people
Achieve the purpose that to change wind-force size for adjustment motor speed, each wind-force changes, and inevitable someone's Attended Operation so certainly will band
Carry out inconvenience.Traditional electric fan can not be all needed by artificial according to the present position of people come its wind-force size of adjust automatically
Operation.
In conclusion problem existing in the prior art is：Traditional electric fan can not be adjusted automatically according to the present position of people
Its whole wind-force size, can only be moved by people oneself just can allow wind-force to reach preferable size.And existing similar product
Function is single, expensive.The motor speed of traditional electric fan is divided into several gears, is reached by artificially adjusting motor speed and changed
Become the purpose of wind-force size, each wind-force changes, and inevitable someone's Attended Operation, certainly will so bring inconvenience.Traditional electric wind
Fan can not be all needed by manual operation according to the present position of people come its wind-force size of adjust automatically.
The content of the invention
The purpose of this utility model is to provide a kind of ultrasonic ranging intelligent fan, it is intended to which solving conventional fan cannot root
, can not be existing according to the present position of people come its wind-force size of adjust automatically according to the change timely adjustment wind-force size of temperature
Similar product function it is single, it is expensive the problem of.
The utility model is realized in this way the ultrasonic ranging intelligent fan is provided with collecting temperature data conversion into electricity
Press the temperature sensor of signal；
It is electrically connected with temperature sensor, voltage signal is converted into 1024 position digital signals by A/D, by silicon-controlled right
Fan electromotor carry out speed governing so that reach without people in order to control can adjust automatically wind-force size effect Arduino master controls
Plate；
It is electrically connected with Arduino master control borads, is used for realization the control of Fan Motor circuit that the rotating speed of fan is adjusted；
It is electrically connected with Arduino master control borads, the ultrasonic sensor for the direction of motion of distance measuring sensor detection people.
Further, the Trig control signal that digital I/O mouthfuls of D2, D3 of the master control borad Arduino meet HC-SR04 respectively is defeated
Enter end and response signal output terminal.
Further, the alignment circuit of control of Fan Motor circuit photoelectrical coupler and the bidirectional triode thyristor composition.
The utility model has the advantage that and actively has the technical effect that：The ultrasonic ranging intelligent fan is by the electricity of electric fan
Machine rotating speed is as controlled variable, the digital temperature signal collected by master control plate analysis by temperature sensor, then by silicon-controlled
Speed governing is carried out to fan electromotor.So as to reach without people in order to control can adjust automatically wind-force size effect.The ultrasound
The direction of motion of people is detected by ultrasonic distance-measuring sensor away from intelligent fan, the distance of people and fan is becoming, wind-force size with
With change.
Brief description of the drawings
Fig. 1 is the structure diagram for the ultrasonic ranging intelligent fan that the utility model embodiment provides；
Fig. 2 is the circuit total figure for the ultrasonic ranging intelligent fan that the utility model embodiment provides；
Fig. 3 is the temperature sensor circuit that the utility model embodiment provides；
Fig. 4 is the ultrasonic sensor circuit that the utility model embodiment provides；
Fig. 5 is the drive circuit figure that the utility model embodiment provides；
In figure：1st, Arduino master control borads；2nd, temperature sensor；3rd, control of Fan Motor circuit；4th, ultrasonic sensor.
Embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, with reference to embodiments, to this
Utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining this practicality
It is new, it is not used to limit the utility model.
1 the structure of the utility model is explained in detail to attached drawing 5 below in conjunction with the accompanying drawings.
The ultrasonic ranging intelligent fan is provided with collecting temperature data conversion into the temperature sensor 2 of voltage signal；
It is electrically connected with temperature sensor 2, voltage signal is converted into 1024 position digital signals by A/D, by silicon-controlled
To fan electromotor carry out speed governing so that reach without people in order to control can adjust automatically wind-force size effect Arduino master
Control plate 1；
It is electrically connected with Arduino master control borads 1, is used for realization the control of Fan Motor circuit that the rotating speed of fan is adjusted
3；
It is electrically connected with Arduino master control borads 1, the ultrasonic sensor 4 for the direction of motion of distance measuring sensor detection people.
As the preferred embodiment of the utility model, digital I/O mouthfuls of D2, D3 of the master control borad Arduino meet HC- respectively
The Trig control signal input terminal and response signal output terminal of SR04.
As the preferred embodiment of the utility model, 3 photoelectrical coupler of control of Fan Motor circuit and two-way controllable
The alignment circuit of silicon composition.
Temperature sensor 2LM35 collecting temperatures data conversion passes through voltage signal into voltage signal, master control borad Arduino
A/D is converted into 1024 position digital signals, and ultrasonic sensor 4 senses people and fan distance, the temperature that master control plate analysis collects
Digital signal and distance value, the alignment circuit being made up of photoelectrical coupler MOC304 and bidirectional triode thyristor carry out fan electromotor
Speed governing, so as to reach the effect of adjust automatically wind-force size.
As shown in Figure 3, temperature sensor 2 selects LM35 to 2 circuit of temperature sensor.LM35 is by National
The temperature sensor 2 that Semiconductor is produced, its output voltage and Celsius' thermometric scale are in a linear relationship, at 0 DEG C output be
0V, often raises 1 DEG C, output voltage increase 10mV.At normal temperatures, LM35 is not required extra calibration process to can reach ± 1/4
DEG C accuracy rate.Analog input end A0, the Arduino plate of the voltage output termination master control borad Arduino of the utility model LM35
Magnitude of voltage is converted into 0~1023 digital quantity by the A/D circuits of load, i.e. 0V corresponds to 0,5V and corresponds to 1023.
As shown in Figure 4,4 circuit of ultrasonic sensor uses HC-SR04 modules to 4 circuit of ultrasonic sensor.Master control borad
Digital I/O mouthfuls of D2, D3 of Arduino connect Trig control signal input terminal (TRIG) and the response signal output of HC-SR04 respectively
Hold (ECHO).HC-SR04 ultrasonic distance measuring modules can provide the contactless distance sensing function of 2cm-400cm, range accuracy
3mm is arrived up to height.Basic functional principle：(1) using I/O port TRIG triggering rangings, at least high level signal of 10us；(2) mould
Block sends the square wave of 8 40khz automatically, has detected whether signal return automatically；(3) there is signal return, it is defeated by I/O port ECHO
Go out a high level, high level duration is exactly ultrasonic wave from the time for being transmitted to return.Measuring distance=(during high level
Between the * velocities of sound (340M/S))/2.
Control of Fan Motor circuit 3 as shown in Figure 5,3 photoelectrical coupler MOC304 of control of Fan Motor circuit and two-way
Group of Silicon Controlled Rectifier into alignment circuit.Over zero bidirectional SCR type optocoupler MOC3041, MOC3041 are employed in circuit has photoelectricity
Isolation, zero passage detection, zero cross fired function.Its operation principle is：I/O mouthfuls of D4 of master control borad Arduino numerals export one high electricity
It is flat, after reverser 7404 is reverse, a low level is sent out, turns on photoelectrical coupler, while bidirectional triode thyristor is triggered, make work
Make circuit turn-on work.To in fixing time, the power loaded is：
In formula：P is the power that load obtains；N is the sine wave number to interior controlled silicon conducting of fixing time；N is to timing
The total number of interior AC sine wave；U is the silicon-controlled voltage effective value corresponding when a power cycle turns on entirely；I is
The silicon-controlled current effective value corresponding when a power cycle turns on entirely.From formula (1), when U, I, N are definite value, only
Change the output of the i.e. controllable power of size of n values, so as to achieve the purpose that regulation motor rotating speed.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (3)
1. a kind of ultrasonic ranging intelligent fan, it is characterised in that the ultrasonic ranging intelligent fan is provided with collecting temperature
Temperature sensor of the data conversion into voltage signal；
It is electrically connected with temperature sensor, voltage signal is converted into 1024 position digital signals by A/D, by silicon-controlled to fan
Motor carry out speed governing so that reach without people in order to control can adjust automatically wind-force size effect Arduino master control borads；
It is electrically connected with Arduino master control borads, is used for realization the control of Fan Motor circuit that the rotating speed of fan is adjusted；
It is electrically connected with Arduino master control borads, the ultrasonic sensor for the direction of motion of distance measuring sensor detection people.
2. ultrasonic ranging intelligent fan as claimed in claim 1, it is characterised in that the numeral of the master control borad Arduino
I/O mouthfuls of D2, D3 connect the Trig control signal input terminal and response signal output terminal of HC-SR04 respectively.
3. ultrasonic ranging intelligent fan as claimed in claim 1, it is characterised in that the control of Fan Motor circuit photoelectricity
The alignment circuit of coupler and bidirectional triode thyristor composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721294415.XU CN207246081U (en) | 2017-10-10 | 2017-10-10 | A kind of ultrasonic ranging intelligent fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721294415.XU CN207246081U (en) | 2017-10-10 | 2017-10-10 | A kind of ultrasonic ranging intelligent fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207246081U true CN207246081U (en) | 2018-04-17 |
Family
ID=61890708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721294415.XU Expired - Fee Related CN207246081U (en) | 2017-10-10 | 2017-10-10 | A kind of ultrasonic ranging intelligent fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207246081U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111352114A (en) * | 2018-12-20 | 2020-06-30 | 广东美的环境电器制造有限公司 | Control method and device for electrical equipment, electrical equipment and storage medium |
-
2017
- 2017-10-10 CN CN201721294415.XU patent/CN207246081U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111352114A (en) * | 2018-12-20 | 2020-06-30 | 广东美的环境电器制造有限公司 | Control method and device for electrical equipment, electrical equipment and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180417 Termination date: 20181010 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |