CN110425173A - The comfortable wind of the dynamic of fan regulates and controls method and device under sleep state based on heart rate - Google Patents
The comfortable wind of the dynamic of fan regulates and controls method and device under sleep state based on heart rate Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
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Abstract
The invention discloses the comfortable wind of the dynamic of fan under the sleep state based on heart rate to regulate and control method and device, and device mainly includes fan, environmental parameter acquisition module, heart rate acquisition module, metabolic rate computing module, processing module, control module, speed adjusting module and single-chip microcontroller.Method key step are as follows: the 1) mean radiant temperature of the temperature, humidity and fan of environmental parameter acquisition module acquisition ambient enviroment；2) metabolic rate computing module handles the heart rate signal, obtains the metabolic rate signal of user；3) standard effective temperature (SET) SET signal is calculated；4) control module is based on preset fluctuations in wind speed cycle T, benchmark wind speed V0, upper wind velocity limit Vmax and wind speed lower limit Vmin, generate sinusoidal fluctuation function signal, and feed back to speed adjusting module；5) speed adjusting module is based on sinusoidal fluctuation function, maximum wind velocity adjustment signal or minimum windspeed adjustment signal, adjusts fan wind speed；The invention avoids users to wake up under constant gas because of cold or hot, influences sleep quality.
Description
Technical field
The present invention relates to fans to adjust field, the comfortable wind regulation of the dynamic of fan specifically under the sleep state based on heart rate
Method and device.
Background technique
China's Yangtze river basin summer is hot and very long, and air-conditioning is extensive as the capital equipment for improving indoor environment
It uses.But prolonged use air-conditioning not only causes the energy consumption of air conditioning system in buildings in China growing, brings to China's energy requirements
Huge pressure, while a host of facts show to live under air conditioner surroundings for a long time, and the acclimation to heat ability of human body will weaken,
Lead to the decline of body temperature regulatory function decline and disease resistance, occurs " sick building syndrome ".
It sleeps in occupation of the time of people's all one's life big one third, the quality of sleep quality directly influences study in second day
And working efficiency.Indoor environment is an important factor for influencing sleep quality of human body, and in colder and hotter environment, human body can
There is the phenomenon that awakening time increase, deep sleep time reduction, reduces sleep quality.Comfortable thermal environment can be to avoid night
Due to number that is cold or hot and waking up, sleep quality is improved
A large amount of field research shows that within the scope of certain thermal environment, people prefer to improve hot ring by drying
Border and raising comfort level.Fan as cause under a kind of common natural environment air flow means, due to its is cheap,
The advantages such as using flexible, energy saving and by people welcome, not only can effectively improve personnel Re Shu under natural environment
It is suitable, the acceptable temperature upper limit of personnel is improved, it is comprehensive that sick buildings caused by being chronically at air conditioner surroundings can also be effectively reduced
Disease, greatly energy saving.With deepening continuously for technology development, user demand and health energy-saving idea, fan is functionally
Improvement and promoted then become influence fan promote the use of critical issue.
In sleep procedure use fan the main problems are as follows: first, people sleep stage use fan
When, fan is opened in suitable gear usually before sleeping, but as sleep is deepened, human body quantity of heat production is reduced, to the need of wind speed
It asks and will differ from state just before going to bed, however wind speed is but kept constant；Second, the temperature due to the reduction of night outdoor temperature, in room
After degree is also declined, but the early morning sun rises, with the rising of outdoor temperature, room temperature is also gone up, from this,
There are the variations of a V-shape for sleep stage room temperature, if but wind speed keep constant, be not able to satisfy the thermal comfort of human body
Demand；Third, existing many fans all have the mode of sleeping wind in the market, but existing sleeping wind mode is natural wind
The deformation of mode, fan wind speed can not generate variation according to human body physiological parameter during sleep and indoor temperature change generated in case.Have
A little technology propositions require fan user to input sleep duration before sleeping, and the parameters such as bedding thermal resistance extrapolate metabolic rate change automatically
Change de-regulation fan.But it is influenced by individual difference, the metabolic rate variation of preset sleep duration and calculating can not be accurate
Reflect user in the demand of sleep period.It unavoidably will appear the too large or too small problem of wind speed, influence to sleep.
Summary of the invention
Present invention aim to address problems of the prior art.
To realize the present invention purpose and the technical solutions adopted are as follows, under the sleep state based on heart rate fan dynamic relax
Suitable wind regulation device mainly includes fan, environmental parameter acquisition module, heart rate acquisition module, metabolic rate computing module, processing mould
Block, control module, speed adjusting module and single-chip microcontroller.
When the fan is opened, it is in sleeping wind mode.
Every the K period, temperature, humidity and the mean radiant temperature of the environmental parameter acquisition module acquisition ambient enviroment,
And it is sent to processing module.
Every the K period, the heart rate signal HR of the heart rate acquisition module monitoring user, and be sent to metabolic rate and calculate mould
Block.
The heart rate acquisition module is Intelligent bracelet.
The metabolic rate computing module handles the heart rate signal, obtains the metabolic rate signal of user, concurrently
It send to processing module.
HR >=75, metabolic rate signal f (met)=1.0met, error range are [- 0.1met.0.1met].
HR be located at section [65,75), metabolic rate signal f (met)=0.9met, error range be [-
0.1met.0.1met]。
HR be located at section [55,65), metabolic rate signal f (met)=0.8met, error range be [-
0.1met.0.1met]。
HR < 55, metabolic rate signal f (met)=0.7met, error range are [- 0.1met.0.1met].
The processing module presets bedding thermal resistance value.
The processing module storage standard effective temperature (SET) SET computation model and fan wind speed and temperature coupling model.
The standard effective temperature (SET) SET computation model is to the temperature of ambient enviroment, humidity, mean radiant temperature, metabolic rate
Signal and preset bedding thermal resistance value are handled, and standard effective temperature (SET) SET signal is obtained.
Whether the processing module judgment criteria effective temperature SET signal is located at section [k1, k2] in, if so, by standard
Effective temperature SET signal is input in fan wind speed and temperature coupling model.If standard effective temperature (SET) SET signal < k1, then described
Processing module sends minimum windspeed signal to control module.If standard effective temperature (SET) SET signal > k2, then the processing module to
Control module sends maximum wind velocity signal.
The fan wind speed is handled standard effective temperature (SET) SET signal with temperature coupling model, obtains human body thermal sensation
Feel benchmark wind speed V when TSV=00, human thermal sensation TSV=0.5 when minimum windspeed Vmin and human thermal sensation TSV=-
Maximum wind velocity Vmax when 0.5,.
The control module presets fluctuations in wind speed cycle T.
The control module receives benchmark wind speed V0, upper wind velocity limit Vmax and when wind speed lower limit Vmin, generate sine wave
Dynamic function, and feed back to speed adjusting module.
When the control module receives minimum windspeed signal, minimum windspeed adjustment signal is generated, and feed back to wind speed tune
Save module.
When the control module receives maximum wind velocity signal, maximum wind velocity adjustment signal is generated, and feed back to wind speed tune
Save module.
The speed adjusting module is based on sinusoidal fluctuation function, maximum wind velocity adjustment signal or minimum windspeed adjustment signal,
Adjust fan wind speed.
The environmental parameter acquisition module, metabolic rate computing module, processing module, control module, speed adjusting module collection
At in single-chip microcontroller.
It mainly include following step using the method for the comfortable wind regulation device of the dynamic of fan under the sleep state based on heart rate
It is rapid:
1) fan is opened, and fan is adjusted to sleep pattern.
2) every the K period, the environmental parameter acquisition module acquires the average spoke of the temperature of ambient enviroment, humidity and fan
Temperature is penetrated, and is sent to processing module.
3) it every K period, the heart rate signal of the heart rate acquisition module monitoring user, and is sent to metabolic rate and calculates mould
Block.The metabolic rate computing module handles the heart rate signal, obtains the metabolic rate signal of user, and be sent to place
Manage module.
4) the processing module storage standard effective temperature (SET) SET computation model and fan wind speed and temperature coupling model.Institute
Standard effective temperature (SET) SET computation model is stated to the temperature of ambient enviroment, humidity, the mean radiant temperature of fan, metabolic rate signal
It is handled with preset bedding thermal resistance value, obtains standard effective temperature (SET) SET signal.
5) if standard effective temperature (SET) SET signal is located at section [k1, k2] in, then the processing module is by standard effective temperature (SET)
SET signal is input in fan wind speed and temperature coupling model, and is transferred to step 6.
If standard effective temperature (SET) SET signal < k1, then the processing module sends minimum windspeed signal to control module, and
It is transferred to step 7.If standard effective temperature (SET) SET signal > k2, then the processing module sends maximum wind velocity signal to control module,
And it is transferred to step 8.
6) if fan wind speed and temperature coupling model receive standard effective temperature (SET) SET signal, fan wind speed and temperature
Coupling model handles standard effective temperature (SET) SET signal, obtains benchmark wind speed V when human thermal sensation TSV=00, human body
Maximum wind velocity Vmax when minimum windspeed Vmin and human thermal sensation TSV=-0.5 when hotness TSV=0.5, and feed back to
Control module.
Fan wind speed and temperature coupling model are as follows under the difference hotness TSV votes:
When TSV=-0.5, maximum wind velocity Vmax=a × SET+b1。 (2)
When TSV=0, benchmark wind speed V0=a × SET+b0。 (3)
When TSV=0.5, minimum windspeed Vmin=a × SET+b2。 (4)
In formula, V is wind speed.a,b0、b1、b2For empirical value.
The control module is based on preset fluctuations in wind speed cycle T, benchmark wind speed V0, upper wind velocity limit Vmax and wind speed lower limit
Vmin generates sinusoidal fluctuation function signal, and feeds back to speed adjusting module.
Sinusoidal fluctuation function is as follows:
In formula, t indicates that regulating time, T indicate the period of sinusoidal fluctuation.
If 7) control module receives minimum windspeed signal, minimum windspeed adjustment signal is generated, and be sent to wind
Fast adjustment module.
If 8) control module receives maximum wind velocity signal, maximum wind velocity adjustment signal is generated, and be sent to wind
Fast adjustment module.
If 9) speed adjusting module receives sinusoidal fluctuation function signal, adjust fan wind speed in upper wind velocity limit Vmax and
Sinusoidal fluctuation changes within the scope of wind speed lower limit Vmin.
If speed adjusting module receives minimum windspeed adjustment signal, adjusts fan wind speed and maintain minimum windspeed Vmin not
Become.
If speed adjusting module receives maximum wind velocity adjustment signal, adjusts fan wind speed and maintain maximum wind velocity Vmax not
Become.
The solution have the advantages that unquestionable.Fan provided by the invention can pass through monitoring indoor thermal environment ginseng
The Intelligentized control method of automatic adjustment fan wind speed is realized in body metabolism rate (quantity of heat production) variation during number variation and sleep.
This technology is changed by real-time monitoring sleep stage human heart rate, and changes in heart rate and metabolic rate, which are changed, to be associated, in conjunction with room
Environmental parameter variation, during setting interval time automatic feedback calculation of wind speed variation range theoretical based on human thermal comfort, output
Dynamic fluctuation air-flow.On the one hand theory support is provided for existing fan sleeping wind control technique；Another aspect fan is according to people
Body real-time physiological parameter signal and room temperature variation adjustment wind speed size, avoid personnel the whole night under constant gas because of mistake
It is cold or because overheat and wake up, influence sleep quality.
Detailed description of the invention
Fig. 1 is fan wind speed dynamic regulation flow chart；
Fig. 2 is standard effective temperature (SET) and suitable wind speed constant interval schematic diagram；
Fig. 3 is that wind speed sinusoidal cycles change schematic diagram；
Fig. 4 is that wind speed changes schematic diagram the whole night.
Fig. 5 is that human heart rate and metabolic rate change schematic diagram the whole night.
Specific embodiment
Below with reference to embodiment, the invention will be further described, but should not be construed the above-mentioned subject area of the present invention only
It is limited to following embodiments.Without departing from the idea case in the present invention described above, according to ordinary skill knowledge and used
With means, various replacements and change are made, should all include within the scope of the present invention.
Embodiment 1:
Referring to Fig. 1 to Fig. 2, the comfortable wind regulation device of the dynamic of fan under the sleep state based on heart rate mainly includes wind
Fan, environmental parameter acquisition module, heart rate acquisition module, metabolic rate computing module, processing module, control module, wind speed adjust mould
Block and single-chip microcontroller.
When the fan is opened, it is in sleeping wind mode.
Every the K period, the environmental parameter acquisition module acquires the average radiation of the temperature of ambient enviroment, humidity and fan
Temperature, and it is sent to processing module.
Every the K period, the heart rate signal HR of the heart rate acquisition module monitoring user, and be sent to metabolic rate and calculate mould
Block.
The heart rate acquisition module is Intelligent bracelet.
The metabolic rate computing module handles the heart rate signal, obtains the metabolic rate signal of user, concurrently
It send to processing module.
Metabolic rate signal and heart rate signal corresponding relationship are as follows:
HR >=75, metabolic rate signal f (met) are about 1.0met, and error range is [- 0.1met.0.1met].
HR be located at section [65,75), metabolic rate signal f (met) is about 0.9met, error range be [-
0.1met.0.1met]。
HR be located at section [55,65), metabolic rate signal f (met) is about 0.8met, error range be [-
0.1met.0.1met]。
HR < 55, metabolic rate signal f (met) are about 0.7met, and error range is [- 0.1met.0.1met].
The processing module presets bedding thermal resistance value.
The processing module storage standard effective temperature (SET) SET computation model and fan wind speed and temperature coupling model.
The standard effective temperature (SET) SET computation model to the temperature of ambient enviroment, humidity, fan mean radiant temperature,
Metabolic rate signal and preset bedding thermal resistance value are handled, and standard effective temperature (SET) SET signal is obtained.
Whether the processing module judgment criteria effective temperature SET signal is located at section [k1, k2] in, if so, by standard
Effective temperature SET signal is input in fan wind speed and temperature coupling model.If standard effective temperature (SET) SET signal < k1, then described
Processing module sends minimum windspeed signal to control module.If standard effective temperature (SET) SET signal > k2, then the processing module to
Control module sends maximum wind velocity signal.
The fan wind speed and temperature coupling model be as obtained by experiment under human body difference hotness (TSV) wind speed
Mathematics computing model between V and standard effective temperature (SET) SET.By calculating, human thermal sensation TSV=0, i.e. human body sensory are obtained
To it is neither very warm nor cold when benchmark wind speed V0, human thermal sensation TSV=0.5 when minimum windspeed Vmin, i.e. human body sensory is to slightly warm
With human thermal sensation TSV=-0.5, i.e., human body sensory to it is slightly cold when maximum wind velocity Vmax.
Fan wind speed and temperature coupling model are as follows under the difference hotness TSV votes:
When TSV=-0.5, maximum wind velocity Vmax=a × SET+b1； (2)
When TSV=0, benchmark wind speed V0=a × SET+b0； (3)
When TSV=0.5, minimum windspeed Vmin=a × SET+b2； (4)
In formula, V is wind speed；a,b0、b1、b2For empirical value；Empirical value a, b0、b1、b2Value under different metabolic rate is not
Equally.According to experiment, correlation experience value value is as shown in the table:
Table 1 a, b0、b1、b2Value
| Metabolic rate | a | b0 | b1 | b2 |
| 1.0met | 0.22 | -6.3 | -6 | -6.6 |
| 0.9met | 0.21 | -6 | -5.7 | -6.3 |
| 0.8met | 0.32 | -8.9 | -8.5 | -9.1 |
| 0.7met | 0.31 | -8.6 | -8.4 | -8.8 |
The control module presets fluctuations in wind speed cycle T.
The control module receives benchmark wind speed V0, upper wind velocity limit Vmax and when wind speed lower limit Vmin, generate sine wave
Dynamic function, and feed back to speed adjusting module.
When the control module receives minimum windspeed signal, minimum windspeed adjustment signal is generated, and feed back to wind speed tune
Save module.
When the control module receives maximum wind velocity signal, maximum wind velocity adjustment signal is generated, and feed back to wind speed tune
Save module.
The speed adjusting module is based on sinusoidal fluctuation function, maximum wind velocity adjustment signal or minimum windspeed adjustment signal,
Adjust fan wind speed.
The environmental parameter acquisition module, metabolic rate computing module, processing module, control module, speed adjusting module collection
At in single-chip microcontroller.
Embodiment 2:
Referring to Fig. 3 to Fig. 5, using the method for the comfortable wind regulation device of the dynamic of fan under the sleep state based on heart rate,
It mainly comprises the steps that
1) fan is opened, and fan is adjusted to sleep pattern.
2) every the K period, the environmental parameter acquisition module acquires the average spoke of the temperature of ambient enviroment, humidity and fan
Temperature is penetrated, and is sent to processing module.K=20min.
3) it every K period, the heart rate signal of the heart rate acquisition module monitoring user, and is sent to metabolic rate and calculates mould
Block.The metabolic rate computing module handles the heart rate signal, obtains the metabolic rate signal of user, and be sent to place
Manage module.
4) the processing module storage standard effective temperature (SET) SET computation model and fan wind speed and temperature coupling model.Institute
Standard effective temperature (SET) SET computation model is stated to the temperature of ambient enviroment, humidity, the mean radiant temperature of fan, metabolic rate signal
It is handled with preset bedding thermal resistance value, obtains standard effective temperature (SET) SET signal.The present embodiment uses University of California's Berkeley
The architectural environment center in branch school utilizes the SET calculation procedure of Excel software programming, the thermal environment parameter input mark that test is obtained
Quasi- effective temperature SET computation model, is computed the value that can obtain standard effective temperature (SET) SET.
Standard effective temperature (SET) SET's is defined as: the people for wearing standard garments (thermal resistance 0.6clo) be in relative humidity 50%,
In air less stationary, air themperature and the identical environment of mean radiant temperature, if mean skin temperature and skin at this time is wet
Degree is identical as under the conditions of a certain actual environment and practical clothing thermal resistance, then human body has identical in standard environment and actual environment
Heat dissipation capacity, the air themperature of standard environment is exactly the standard effective temperature (SET) SET of actually located environment at this time.
5) if standard effective temperature (SET) SET signal is located at section [k1, k2] in, then the processing module is by standard effective temperature (SET)
SET signal is input in fan wind speed and temperature coupling model, and is transferred to step 6.k1=27.9 DEG C, k2=33 DEG C.
If standard effective temperature (SET) SET signal < k1, then the processing module sends minimum windspeed signal to control module, and
It is transferred to step 7.If standard effective temperature (SET) SET signal > k2, then the processing module sends maximum wind velocity signal to control module,
And it is transferred to step 8.
6) if fan wind speed and temperature coupling model receive standard effective temperature (SET) SET signal, fan wind speed and temperature
Coupling model handles standard effective temperature (SET) SET signal, obtains benchmark wind speed V when human thermal sensation TSV=00, human body
Maximum wind velocity Vmax when minimum windspeed Vmin and human thermal sensation TSV=-0.5 when hotness TSV=0.5, and feed back to
Control module.Vmin=0m/s, Vmax=1.5m/s.
Fan wind speed and temperature coupling model are as follows under the difference hotness TSV votes:
When TSV=-0.5, maximum wind velocity Vmax=a × SET+b1。 (2)
When TSV=0, benchmark wind speed V0=a × SET+b0。 (3)
When TSV=0.5, minimum windspeed Vmin=a × SET+b2。 (4)
In formula, V is wind speed.a,b0、b1、b2For empirical value.Empirical value a, b0、b1、b2It is determined by metabolic rate met.
The control module is based on preset fluctuations in wind speed cycle T, benchmark wind speed V0, upper wind velocity limit Vmax and wind speed lower limit
Vmin generates sinusoidal fluctuation function signal, and feeds back to speed adjusting module.Wherein, the amplitude of fluctuations in wind speed is (Vmax-
Vmin)/2, sine wave to the offset of wind speed positive axis be V0。
Sinusoidal fluctuation function is as follows:
In formula, t indicates that regulating time, T indicate the period of sinusoidal fluctuation.
If 7) control module receives minimum windspeed signal, minimum windspeed adjustment signal is generated, and be sent to wind
Fast adjustment module.
If 8) control module receives maximum wind velocity signal, maximum wind velocity adjustment signal is generated, and be sent to wind
Fast adjustment module.
If 9) speed adjusting module receives sinusoidal fluctuation function signal, adjust fan wind speed in upper wind velocity limit Vmax and
Sinusoidal fluctuation changes within the scope of wind speed lower limit Vmin.
Rotation speed of fan is regulated and controled for normal state, using pulsewidth modulation (PWM) control technology, by inverter circuit switching device
On-off controlled, so that output end is obtained a series of equal pulse of amplitudes, sine wave or required replaced with these pulses
The waveform wanted controls the sinusoidal variations of rotation speed of the fan to realize, exports sinusoidal fluctuation wind speed.
If speed adjusting module receives minimum windspeed adjustment signal, adjusts fan wind speed and maintain minimum windspeed Vmin not
Become.
If speed adjusting module receives maximum wind velocity adjustment signal, adjusts fan wind speed and maintain maximum wind velocity Vmax not
Become.
This regulating strategy regulates and controls the wind speed of fan by monitoring body metabolism rate, can also similarly set to air-conditioning
Determine temperature and carries out dynamic regulation.
Embodiment 3:
A kind of experiment of dynamic comfortable wind regulation device of the use based on fan under the sleep state of heart rate, experimental procedure tool
Body is referring to embodiment 2.Experimental result is as shown in table 2:
The heart rate variation the whole night of table 2 and wind speed change computational chart
Claims (5)
1. the comfortable wind regulation device of the dynamic of fan under the sleep state based on heart rate, it is characterised in that: mainly include fan, ring
Border parameter collection module, the heart rate acquisition module, metabolic rate computing module, processing module, control module, speed adjusting module
And single-chip microcontroller；
When the fan is opened, it is in sleeping wind mode.
Every the K period, temperature, the average radiation temperature of humidity and fan of the environmental parameter acquisition module acquisition ambient enviroment
Degree, and it is sent to processing module；
Every the K period, the heart rate signal HR of the heart rate acquisition module monitoring user, and it is sent to metabolic rate computing module；
The metabolic rate computing module handles the heart rate signal, obtains the metabolic rate signal f (met) of user, and
It is sent to processing module；
The processing module presets bedding thermal resistance value；
The processing module storage standard effective temperature (SET) SET computation model and fan wind speed and temperature coupling model；
The standard effective temperature (SET) SET computation model is to the temperature of ambient enviroment, humidity, the mean radiant temperature of fan, metabolism
Rate signal and preset bedding thermal resistance value are handled, and standard effective temperature (SET) SET signal is obtained；
Whether the processing module judgment criteria effective temperature SET signal is located at section [k1, k2] in, if so, standard is effective
Temperature SET signal is input in fan wind speed and temperature coupling model；If standard effective temperature (SET) SET signal < k1, then the processing
Module sends minimum windspeed signal to control module；If standard effective temperature (SET) SET signal > k2, then the processing module is to control
Module sends maximum wind velocity signal；
Human thermal sensation's ballot value TSV is calculated in fan wind speed and temperature coupling model under being voted using different hotness TSV
Benchmark wind speed V when=00, human thermal sensation ballot value TSV=0.5 when minimum windspeed Vmin and human thermal sensation's ballot value
Maximum wind velocity Vmax when TSV=-0.5；
Fan wind speed and temperature coupling model are as follows under the difference hotness TSV votes:
When TSV=-0.5, maximum wind velocity Vmax=a × SET+b1； (2)
When TSV=0, benchmark wind speed V0=a × SET+b0； (3)
When TSV=0.5, minimum windspeed Vmin=a × SET+b2； (4)
In formula, V is wind speed；a,b0、b1、b2For empirical value；
The control module presets fluctuations in wind speed cycle T；
The control module receives benchmark wind speed V0, upper wind velocity limit Vmax and when wind speed lower limit Vmin, generate sinusoidal fluctuation letter
Number, and feed back to speed adjusting module；
When the control module receives minimum windspeed signal, minimum windspeed adjustment signal is generated, and feeds back to wind speed and adjusts mould
Block；
When the control module receives maximum wind velocity signal, maximum wind velocity adjustment signal is generated, and feeds back to wind speed and adjusts mould
Block；
The speed adjusting module is based on sinusoidal fluctuation function, maximum wind velocity adjustment signal or minimum windspeed adjustment signal, adjusts
Fan wind speed；
The environmental parameter acquisition module, metabolic rate computing module, processing module, control module, speed adjusting module are integrated in
In single-chip microcontroller.
2. the comfortable wind regulation device of the dynamic of fan, feature under the sleep state according to claim 1 based on heart rate
Be: the heart rate acquisition module is Intelligent bracelet.
3. the comfortable wind regulation device of the dynamic of fan under the sleep state according to claim 1 or 2 based on heart rate, special
Sign is that metabolic rate signal and heart rate signal corresponding relationship are as follows:
HR >=75, metabolic rate signal are f (met)=1.0met, and error range is [- 0.1met.0.1met]；
HR be located at section [65,75), metabolic rate signal be f (met)=0.9met, error range be [- 0.1met, 0.1met]；
HR be located at section [55,65), metabolic rate signal be f (met)=0.8met, error range be [- 0.1met, 0.1met]；
HR < 55, metabolic rate signal are f (met)=0.7met, and error range is [- 0.1met, 0.1met].
4. using the method for the comfortable wind regulation device of dynamic of fan under the sleep state based on heart rate described in claims 1 to 33,
It is characterized in that, mainly comprising the steps that
1) fan is opened, and fan is adjusted to sleep pattern；
2) every the K period, the environmental parameter acquisition module acquires temperature, humidity and the mean radiant temperature of ambient enviroment, and
It is sent to processing module；
3) every K period, the heart rate signal of the heart rate acquisition module monitoring user, and it is sent to metabolic rate computing module；
The metabolic rate computing module handles the heart rate signal, obtains the metabolic rate signal of user, and be sent to processing
Module；
4) the processing module storage standard effective temperature (SET) SET computation model and fan wind speed and temperature coupling model；The mark
Quasi- effective temperature SET computation model is to the temperature of ambient enviroment, humidity, mean radiant temperature, metabolic rate signal and preset bed
Cotton-padded mattress thermal resistance value is handled, and standard effective temperature (SET) SET signal is obtained；
5) if standard effective temperature (SET) SET signal is located at section [k1, k2] in, then the processing module believes standard effective temperature (SET) SET
It number is input in fan wind speed and temperature coupling model, and is transferred to step 6；
If standard effective temperature (SET) SET signal < k1, then the processing module sends minimum windspeed signal to control module, and is transferred to step
Rapid 7；If standard effective temperature (SET) SET signal > k2, then the processing module sends maximum wind velocity signal to control module, and is transferred to
Step 8；
6) if fan wind speed and temperature coupling model receive standard effective temperature (SET) SET signal, fan wind speed is coupled with temperature
Model handles standard effective temperature (SET) SET signal, obtains benchmark wind speed V when human thermal sensation TSV=00, human body thermal sensation
Maximum wind velocity Vmax when minimum windspeed Vmin and human thermal sensation TSV=-0.5 when feeling TSV=0.5, and feeds back to control
Module；
The control module is based on preset fluctuations in wind speed cycle T, benchmark wind speed V0, upper wind velocity limit Vmax and wind speed lower limit Vmin,
Sinusoidal fluctuation function signal is generated, and feeds back to speed adjusting module；
If 7) control module receives minimum windspeed signal, minimum windspeed adjustment signal is generated, and is sent to wind speed tune
Save module；
If 8) control module receives maximum wind velocity signal, maximum wind velocity adjustment signal is generated, and is sent to wind speed tune
Save module；
If 9) speed adjusting module receives sinusoidal fluctuation function signal, fan wind speed is adjusted in upper wind velocity limit Vmax and wind speed
Sinusoidal fluctuation changes within the scope of lower limit Vmin；
If speed adjusting module receives minimum windspeed adjustment signal, adjusts fan wind speed and maintain minimum windspeed Vmin constant；
If speed adjusting module receives maximum wind velocity adjustment signal, adjusts fan wind speed and maintain maximum wind velocity Vmax constant.
5. using the side of the comfortable wind regulation device of the dynamic of fan under the sleep state based on heart rate according to claim 4
Method, which is characterized in that sinusoidal fluctuation function is as follows:
In formula, t indicates that regulating time, T indicate the period of sinusoidal fluctuation.
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