CN101963159A - Chaos theory based natural wind simulation device - Google Patents
Chaos theory based natural wind simulation device Download PDFInfo
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- CN101963159A CN101963159A CN2010102769231A CN201010276923A CN101963159A CN 101963159 A CN101963159 A CN 101963159A CN 2010102769231 A CN2010102769231 A CN 2010102769231A CN 201010276923 A CN201010276923 A CN 201010276923A CN 101963159 A CN101963159 A CN 101963159A
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Abstract
The invention relates to a chaos theory based natural wind simulation device, comprising a chaos equation signal output unit, a computer, a protocol converter, a frequency converter, an analog quantity output unit and at least one group of fan, wherein the chaos equation signal output unit is used for generating fluctuation signals; the computer is used for receiving the fluctuation signals and converting the fluctuation signals into control signals to be output; the protocol converter is used for connecting the computer and the frequency converter and converting the received control signals into digital signals to be output; the frequency converter is used for receiving the digital signals and converting the digital signals into analog signals to be output; and the analog output unit is used for receiving the analog signals and outputting the analog signals to a motor in the fans, and the motor is used for controlling the rotation of fan blades according to the received analog signals so as to ensure that comfortable and changeable simulated natural wind is generated. By simulating the natural wind based on a chaos theory to be output by common electric fans or air conditioners, the invention greatly improves an indoor air environment.
Description
Technical field
The present invention relates to blower fan control field, particularly relate to a kind of device based on the chaology natural wind simulating.
Background technique
At present, common air-conditioning system and electric fan all adopt the air supply mode of stable state, promptly move under stable wind speed state always.Long-term crowd in this indoor environment not only can not experience comfortable, also can produce various malaise symptoms, to people's the healthy very adverse influence that produced.For the stable state wind speed environment of dullness, natural wind is pure and fresh, soft, changeable, gives the very comfortable impression of people, and this also is that people yearn for one of major reason of nature.Compare by gathering natural wind wind speed sample and stable state machinery wind wind speed sample, it is carried out frequency analysis respectively, find that the natural wind fluctuation meets the 1/f fluctuation pattern, promptly it is a kind of fluctuation mode of feeling comfortable of making us, and the mechanical wind of stable state does not then possess this characteristics.
Be not provided with in the environment of air-conditioning system at some large spaces such as factory floor, the market of farm produce etc., the electric fan air supply mode of use stable state can not satisfy people's comfort requirement, be in for a long time in this environment, can allow the people produce malaise symptoms such as dizziness, headache, all can produce very adverse influence producing and living.
The present invention adopts fractal and chaology to use the occasion natural wind simulating of electric fan or axial-flow blower at large space, makes the formed wind of electric fan more approach the motion state of natural wind, thus the travelling comfort, the Security that improve people's electricity consumption fan for cooling.
Summary of the invention
Technical problem to be solved by this invention provides a kind of device based on the chaology natural wind simulating, improves the mode of air-supply in the large space, makes the formed wind of electric fan more approach the motion state of natural wind, improves the travelling comfort of people's electricity consumption fan for cooling.
The technical solution adopted for the present invention to solve the technical problems is: a kind of device based on the chaology natural wind simulating is provided, comprise chaos equation signal output unit, computer, protocol converter, frequency variator, analog amount output unit and at least one group of blower fan, described chaos equation signal output unit is used to produce fluctuation signal; Described computer is used to receive fluctuation signal, and fluctuation signal is converted to control signal output; Described protocol converter is used to connect described computer and frequency variator, and the control signal that receives is converted to digital signal output; Described frequency variator is used for receiving digital signals, and digital signal is converted to analogue signal output; Described analog amount output unit receives analogue signal, and outputs analog signal to the motor in the described blower fan.
Described chaos equation comprises following six kinds:
x
N+1=μ x
n(1-x
n), x
N+1=x
n+ 0.8-2sin (2 π x
n), x
N+1=μ x
n(1-x
n)+x
n,
With
Described protocol converter is the RS232-RS485 protocol converter; Described frequency variator adopts the three phase converter that has the RS485 PORT COM; Described computer links to each other with described protocol converter by the USB2.0-RS232 Serial Port Line; Described protocol converter links to each other with described frequency variator by twisted-pair feeder.
Described analog amount output unit links to each other with blower fan more than two groups by the three-phase four-wire system cable.
Also be provided with one group of wind velocity signal and one group of constant wind speed signal at random in the program of described computer.
Described chaos equation calculates a numerical solution second every n.
Beneficial effect
Owing to adopted above-mentioned technological scheme, the present invention compared with prior art, have following advantage and good effect: can be by common electric fan or air conditioner output based on the chaology natural wind simulating, make indoor air environment obtain very big improvement, thereby constantly stimulate the nerve endings of human body, make the people in high spirits, attention is concentrated, and has improved working efficiency.
Description of drawings
Fig. 1 is a schematic diagram of device of the present invention.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiments only to be used to the present invention is described and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Embodiments of the present invention relate to a kind of device based on the chaology natural wind simulating, utilize fractal and chaology, produce of the input signal control rotation speed of fan variation of the data-signal of random fluctuation by computer, thereby reach the purpose that in large space, realizes natural wind simulating as frequency variator.As shown in Figure 1, this device comprises chaos equation signal output unit, computer, protocol converter, frequency variator, analog amount output unit and at least one group of blower fan, and described chaos equation signal output unit is used to produce fluctuation signal; Described computer is used to receive fluctuation signal, and fluctuation signal is converted to control signal output; Described protocol converter is used to connect described computer and frequency variator, and the control signal that receives is converted to digital signal output; Described frequency variator is used for receiving digital signals, and digital signal is converted to analogue signal output; Described analog amount output unit receives analogue signal, and outputs analog signal to the motor in the described blower fan, and motor makes it can blow out comfortable changeable " natural wind " according to the rotation of the analogue signal control flabellum of receiving.
At first be the wiring of device, chaos equation signal output unit links to each other with computer, the signal conveys that the chaos equation is produced to computer, the wiring of computer and RS232-RS485 protocol converter employing USB2.0-RS232 Serial Port Line.Protocol converter is connected with frequency variator by twisted-pair feeder.Frequency variator is the three phase converter that has the RS485 PORT COM.Frequency variator output analog signals is transported to the analog amount output unit, the analog amount output unit by the three-phase four-wire system cable can with multiple electric motors, wherein every motor all is connected with separately flabellum, so controls many electric fans realization natural wind simulatings at large space.After the device connection is finished, open computer and start-up routine.Program part comprise the chaos equation data output and with the communication part of frequency variator.Initial value of the given chaos equation of program, the chaos equation can calculate a numerical solution (set every 2 seconds usually and calculate once) every n second, this is separated on the one hand and enters in the calculating next time of chaos equation, after increasing suitable multiple, export to frequency variator on the other hand, continuous according to this cycle calculations and output data.Frequency variator is exported to signal and is respectively organized blower fan, and its output signal is fed back to computer, by its output state of computer monitoring.
By discovering, there is chaotic characteristic in the fluctuations in wind speed of natural wind, and similar to natural wind by the fluctuation signal of chaos equation generation.Below the fluctuation signal that produces of six groups of chaos equations rather similar to natural wind, comprising:
x
N+1=μ x
n(1-x
n), x
N+1=x
n+ 0.8-2sin (2 π x
n), x
N+1=μ x
n(1-x
n)+x
n,
With
Wherein, x
nBe a numerical solution of current chaos equation, if program x when just having started
nIt then is the given initial value of program; x
N+1A numerical solution for chaos equation at following a moment; μ and b are constant, are used to make that the fluctuation signal of chaos equation generation is more similar to natural wind.Therefore, realized the output that above-mentioned chaos fluctuates by programming, utilized computer that chaotic signal is transferred to frequency variator, frequency variator is exported to motor with signal again, thereby realizes natural wind.Therefore the type (being different chaos equations) that can select different output wind as required before starting frequency variator in order to adapt to various user demands, also comprises one group of wind velocity signal at random: x to satisfy user demand in the program of computer
N+1=randomize and one group of constant wind speed signal: x
N+1=a.Wherein, a in the constant wind speed signal can set up on their own according to user's demand.
Find that by subjective comfort investigation experiment the natural wind simulating of exporting by chaos equation signal has better comfort than common mechanical air supply, most person under investigation persons like the environment of natural wind simulating.
Claims (6)
1. device based on the chaology natural wind simulating, comprise chaos equation signal output unit, computer, protocol converter, frequency variator, analog amount output unit and at least one group of blower fan, it is characterized in that described chaos equation signal output unit is used to produce fluctuation signal; Described computer is used to receive fluctuation signal, and fluctuation signal is converted to control signal output; Described protocol converter is used to connect described computer and frequency variator, and the control signal that receives is converted to digital signal output; Described frequency variator is used for receiving digital signals, and digital signal is converted to analogue signal output; Described analog amount output unit receives analogue signal, and outputs analog signal to the motor in the described blower fan.
2. the device based on the chaology natural wind simulating according to claim 1 is characterized in that, described chaos equation comprises following six kinds:
x
N+1=μ x
n(1-x
n), x
N+1=x
n+ 0.8-2sin (2 π x
n),
With
3. the device based on the chaology natural wind simulating according to claim 1 is characterized in that, described protocol converter is the RS232-RS485 protocol converter; Described frequency variator adopts the three phase converter that has the RS485 PORT COM; Described computer links to each other with described protocol converter by the USB2.0-RS232 Serial Port Line; Described protocol converter links to each other with described frequency variator by twisted-pair feeder.
4. the device based on the chaology natural wind simulating according to claim 1 is characterized in that, described analog amount output unit links to each other with blower fan more than two groups by the three-phase four-wire system cable.
5. the device based on the chaology natural wind simulating according to claim 1 is characterized in that, also is provided with one group of wind velocity signal and one group of constant wind speed signal at random in the program of described computer.
6. the device based on the chaology natural wind simulating according to claim 2 is characterized in that, described chaos equation calculates a numerical solution second every n.
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|---|---|---|---|
| CN2010102769231A CN101963159A (en) | 2010-09-09 | 2010-09-09 | Chaos theory based natural wind simulation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102769231A CN101963159A (en) | 2010-09-09 | 2010-09-09 | Chaos theory based natural wind simulation device |
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| CN101963159A true CN101963159A (en) | 2011-02-02 |
Family
ID=43516176
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619773A (en) * | 2012-03-31 | 2012-08-01 | 美的集团有限公司 | Control circuit for chaotic wind of fan and operation mode thereof |
| CN103244448A (en) * | 2013-05-22 | 2013-08-14 | 湖南工业大学 | Natural wind simulating fan and method |
| CN103940028A (en) * | 2014-03-24 | 2014-07-23 | 美的集团股份有限公司 | Air conditioning system, air conditioner, control method of air conditioning system and air conditioner and natural air sampler |
| CN103954000A (en) * | 2014-03-24 | 2014-07-30 | 美的集团股份有限公司 | Natural wind air-conditioner, natural wind air-conditioner system and control method for natural wind air-conditioner |
| CN103994561A (en) * | 2014-05-13 | 2014-08-20 | 邯郸美的制冷设备有限公司 | Air-conditioner and control method thereof |
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| US5505378A (en) * | 1994-03-31 | 1996-04-09 | Samsung Electronics Co., Ltd. | Air-conditioner controllable to simulate environmental characteristics of various world regions |
| CN101315544A (en) * | 2007-06-01 | 2008-12-03 | 上海电机学院 | Greenhouse intelligent control method |
| CN101691935A (en) * | 2009-09-25 | 2010-04-07 | 东华大学 | Air-conditioning device with simulated comfortable natural wind |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5505378A (en) * | 1994-03-31 | 1996-04-09 | Samsung Electronics Co., Ltd. | Air-conditioner controllable to simulate environmental characteristics of various world regions |
| CN101315544A (en) * | 2007-06-01 | 2008-12-03 | 上海电机学院 | Greenhouse intelligent control method |
| CN101691935A (en) * | 2009-09-25 | 2010-04-07 | 东华大学 | Air-conditioning device with simulated comfortable natural wind |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619773A (en) * | 2012-03-31 | 2012-08-01 | 美的集团有限公司 | Control circuit for chaotic wind of fan and operation mode thereof |
| CN103244448A (en) * | 2013-05-22 | 2013-08-14 | 湖南工业大学 | Natural wind simulating fan and method |
| CN103244448B (en) * | 2013-05-22 | 2015-03-25 | 湖南工业大学 | Natural wind simulating fan and method |
| CN103940028A (en) * | 2014-03-24 | 2014-07-23 | 美的集团股份有限公司 | Air conditioning system, air conditioner, control method of air conditioning system and air conditioner and natural air sampler |
| CN103954000A (en) * | 2014-03-24 | 2014-07-30 | 美的集团股份有限公司 | Natural wind air-conditioner, natural wind air-conditioner system and control method for natural wind air-conditioner |
| CN103954000B (en) * | 2014-03-24 | 2017-03-08 | 美的集团股份有限公司 | The control method of air conditioner supplying natural wind, air conditioner supplying natural wind system and air conditioner supplying natural wind |
| CN103994561A (en) * | 2014-05-13 | 2014-08-20 | 邯郸美的制冷设备有限公司 | Air-conditioner and control method thereof |
| CN103994561B (en) * | 2014-05-13 | 2016-10-26 | 邯郸美的制冷设备有限公司 | Air-conditioner and control method |
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Application publication date: 20110202 |