CN104467563B - Sleep air control device and method based on environment parameters and sleep physiological cycles - Google Patents
Sleep air control device and method based on environment parameters and sleep physiological cycles Download PDFInfo
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- CN104467563B CN104467563B CN201410709941.2A CN201410709941A CN104467563B CN 104467563 B CN104467563 B CN 104467563B CN 201410709941 A CN201410709941 A CN 201410709941A CN 104467563 B CN104467563 B CN 104467563B
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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
- F04D27/02—Surge control
- F04D27/0261—Surge control by varying driving speed
Abstract
The invention relates to a sleep air control device and method based on environment parameters and sleep physiological cycles. The device is characterized in that a rotating speed signal generating device, a drive circuit, an inverter circuit, a silent brushless direct current motor and a fan blade are included; the rotating speed signal generating device comprises a switching power supply, an environment parameter sensor and a digital signal processor; the digital signal processor comprises a heat resistance setting module, a sleep time length setting module, a metabolic rate generating module, a SET air speed calculating module, an air speed amplitude limiting module, an air speed-motor rotating speed conversion module and an electrodeless speed regulation module; a Hall sensor is included in the silent brushless direct current motor. The environment parameter sensor is adopted for collecting the temperature and humidity information of actual environment, the heat resistance setting module is adopted for collecting the actual total heat resistance value signals of a mattress, the metabolic rate generating module is adopted for calculating metabolic rate signals, the SET air speed calculating module is used for calculating air speed values, and the requirement of a human body for heat comfort in the sleep process is met. The device and method can be widely applied to the field of fan manufacturing.
Description
Technical field
The present invention relates to fan manufacturing technology field, especially with regard to a kind of based on ambient parameter and sleep physiology cycle
Sleeping wind controller and method.
Background technology
The time that all one's life of common people there are about 1/3 is in sleep state, with the quickening of modern's Working Life rhythm, sleeps
Dormancy becomes ever more important, and comfortable sleep environment is undoubtedly the basic guarantee of well sleep, improves sleep quality environment,
Sleep quality comfortableness is improved to have very important significance.Substantial amounts of achievement in research shows, the partially wet sleep ring of unfavorable partial heat
Border can have a negative impact to sleep quality, and for example temperature decline is suppressed, when slow wave sleep (SWS) and fast wave sleep (REM)
Between reduce and awakening number of times increase etc..People often open air-conditioning and fan, but therewith bring to improve the health care of sleep
Health problem is of common occurrence, the atmosphere draught-free of such as air-conditioned room and humidity is relatively low, easily triggers " air conditioner disease "；Fan is forgotten to close
Or timing is long easily makes one to have a cold.
Chinese utility model patent Application No. 201020552659.5 " one kind be based on the dormant intelligence of user
Electric fan ", the principle of the device is：First pass through every physiologic information when physiological information sensor collection and monitoring user's sleep
Parameter, then judges that user is going into sleep state or wake state by information service, is in slow motion
Eye sleep (or slow wave sleep) stage is in REM sleep (or fast wave sleep) stage, finally by intelligent electric fan
The rotating speed of controller precise control fan.The characteristics of invention is that the control parameter of fan is the sleep physiology based on user
Cycle, but the sleep quality detection means in domestic fan is not enough to obtain the accurate result by stages in sleep physiology cycle,
And, the size of wind speed has indivisible relation with other thermal environment parameters, so the control of sleeping wind is also needed and environment
Parameter links, but the device is not equipped with environmental parameter sensor.And the fan with environmental parameter sensor on the market, and not
The sleep physiology cycle of human body is introduced, healthy hidden danger can be still brought.
The content of the invention
Regarding to the issue above, disclosure satisfy that human body in sleep procedure to thermal comfort it is an object of the invention to provide one kind
The sleeping wind controller based on ambient parameter and sleep physiology cycle and method of demand.
To achieve the above object, the present invention takes following technical scheme：One kind is based on ambient parameter and sleep physiology cycle
Sleeping wind controller, it is characterised in that：It includes a tach signal generating means, one drive circuit, an inverter circuit, one
Jing Yin brshless DC motor and a flabellum；The tach signal generating means respectively with the drive circuit and Jing Yin brushless direct-current
Motor connection, the pwm signal of the tach signal generating means output is exported after carrying out power amplification through the drive circuit and arrived
The inverter circuit, by the inverter circuit by amplifying power after the pwm signal be assigned to the Jing Yin brushless dc
Machine, controls the Jing Yin brshless DC motor to rotate and then drives the flabellum blowout sleeping wind, meanwhile, it is described Jing Yin brushless straight
The actual speed signal for flowing motor feeds back to the tach signal generating means, realizes to the Jing Yin brshless DC motor rotating speed
Closed-loop control.
The tach signal generating means includes that a Switching Power Supply, an environmental parameter sensor, a DSP and are arranged on institute
State the Hall sensor in Jing Yin brshless DC motor；The Switching Power Supply is used to for single-phase alternating current to be converted to different direct currents
Voltage, in respectively described environmental parameter sensor, DSP, drive circuit, inverter circuit and Jing Yin brshless DC motor suddenly
You provide dc source by sensor；The environmental parameter sensor collection air themperature, mean radiant temperature and air humidity letter
Number and export to the DSP, the actual speed signal output that the Hall sensor gathers the Jing Yin brshless DC motor is arrived
The DSP, the DSP are according to all signal of change pwm signals for receiving.
The sensor of environmental parameter sensor use ± 0.1 DEG C precision and ± 5% humidity precision.
The DSP includes that thermal resistance setup module, sleep duration setting module, metabolic rate generation module, SET wind speed calculate mould
Block, wind speed clipping module, wind speed-motor speed modular converter and stepless time adjustment module；The thermal resistance setup module gathers bedding
Type signal is converted into thermal resistance signal, and exports to the SET wind speed computing module；The sleep duration setting module collection is slept
Dormancy duration signal is converted into function zoom factor, and exports to the metabolic rate generation module；The metabolic rate generation module root
Metabolic rate signal is calculated according to function zoom factor, and is exported to the SET wind speed computing module；The SET wind speed computing module
Air themperature, mean radiant temperature and air humidity signal, the thermal resistance exported according to the environmental parameter sensor are set
The thermal resistance signal of module output, the metabolic rate signal and default SET value of metabolic rate generation module output, calculation of wind speed
Pre-signal is simultaneously exported to the wind speed clipping module；The wind speed clipping module obtains wind speed after being modified to wind speed pre-signal
Whole signal, and export to the wind speed-motor speed modular converter；The wind speed-motor speed modular converter believes wind speed eventually
Tach signal number is converted to, and is exported to the stepless time adjustment module；Tach signal is converted to PWM by the stepless time adjustment module
Signal output；Meanwhile, the actual speed signal that the stepless time adjustment module exports the Hall sensor and the wind speed-electricity
The tach signal that machine rotating speed modular converter is calculated is compared, and pwm signal is adjusted and exported according to comparative result, is realized
Closed loop stepless time adjustment to the Jing Yin brshless DC motor.
A kind of control method of the sleeping wind controller based on ambient parameter and sleep physiology cycle, including following step
Suddenly：1) start fan, open sleeping wind pattern, initialize DSP, open environmental parameter sensor；2) environmental parameter sensor is pressed
According to CF collection air themperature, mean radiant temperature and air humidity signal output to SET wind speed computing modules；3) thermal resistance
Setup module is converted into corresponding thermal resistance signal, and export to SET wind speed calculating mould according to the selected bedding type of user
Block；4) the sleep duration signal of change function zoom factor of sleep duration setting module collection user's setting, and export to metabolism
Rate generation module；5) metabolic rate generation module calculates generation metabolic rate signal according to the function zoom factor for obtaining, and output is arrived
SET wind speed computing modules；6) SET wind speed computing module according to the air themperature, mean radiant temperature, air humidity for receiving,
Thermal resistance signal, metabolic rate signal and default SET value, are calculated wind speed pre-signal and export to wind speed clipping module；7)
Wind speed clipping module judged the wind speed pre-signal for receiving according to default maximum wind velocity, obtains wind speed end signal, and
Export wind speed-motor speed modular converter；When wind speed pre-signal is less than maximum wind velocity, wind speed clipping module believes wind speed in advance
Number as wind speed end signal directly export；When wind speed pre-signal is more than maximum wind velocity, wind speed clipping module is by wind speed pre-signal
Maximum wind velocity is modified to, and as wind speed end signal output；8) wind speed-motor speed modular converter；By wind speed end signal conversion
It is tach signal, and stepless time adjustment module is arrived into tach signal output；9) tach signal is converted to PWM letters by stepless time adjustment module
Number and export to drive circuit, drive circuit drives inverter circuit after carrying out power amplification to the pwm signal for receiving, by inversion
Circuit drives Jing Yin brshless DC motor to rotate；10) Hall sensor gathers the actual speed signal of Jing Yin brshless DC motor,
And by actual speed signal output to stepless time adjustment module；The actual speed signal that stepless time adjustment module will be received with receive
Tach signal be compared, according to the pwm signal that the rotating speed deviation adjusting that obtains is exported, and then adjust Jing Yin brushless dc
The rotating speed of machine, realizes the closed loop stepless speed regulation to Jing Yin brshless DC motor, and the rotation of Jing Yin brshless DC motor drives flabellum
Blowout sleeping wind.
Due to taking above technical scheme, it has advantages below to the present invention：1st, the present invention using ambient parameter due to being passed
Sensor gathers the temperature and humidity information of actual environment, using the actual bedding entire thermal resistance signal of thermal resistance setup module collection and generation
Thank to rate generation module and calculate metabolic rate signal, by SET wind speed computing module calculation of wind speed values, it is right during sleep quality to realize
The requirement of thermal comfort, and more energy-conserving and environment-protective.2nd, the present invention for user using sleep duration setting module due to selecting sleep
Duration, sleep duration is determined by user oneself, can meet different user and the different of sleep duration are required.3rd, the present invention due to
The sleep physiology cycle of metabolic rate generation module storage more conforms to actual human body sleep quality, while can also be set according to user
Fixed sleep duration Tuning function zoom factor, obtains the metabolic rate signal of human body, accurately decomposes the physiological requirements of user
Rotating speed is controlled to reach the purpose of controlled wind speed.4th, it is of the invention because the SET wind speed computing modules for using are preset with SET airspeedometers
Model is calculated, the wind velocity signal for meeting human thermal comfort requirement can be calculated according to environment and personnel's parameter.5. the present invention is due to adopting
The wind speed pre-signal for calculating is differentiated with wind speed clipping module so that wind speed disclosure satisfy that what can be born in sleep quality
Maximum wind velocity, it is to avoid wind speed is excessive to cause damage to health.Simple structure of the present invention, blowing feeling receives good, effectively
Improve sleep quality of human body and thermal comfort degree, in can be widely applied to fan manufacture field.
Brief description of the drawings
Fig. 1 is hardware architecture diagram of the invention
Fig. 2 is method of the present invention schematic flow sheet
Fig. 3 is that eight hours sleep stages of the present invention are divided and metabolic rate change schematic diagram
Specific embodiment
The present invention is described in detail with reference to the accompanying drawings and examples.
As shown in figure 1, the present invention includes a rotating speed based on ambient parameter and the sleeping wind controller in sleep physiology cycle
Signal generation apparatus 1, one drive circuit 2, an inverter circuit 3, a Jing Yin brshless DC motor 4 and a flabellum 5.Tach signal is sent out
Generating apparatus 1 are connected with drive circuit 2 and Jing Yin brshless DC motor 4 respectively, the PWM (pulses of the output of tach signal generating means 1
Width modulated) signal carry out power amplification through drive circuit 2 after output to inverter circuit 3, by inverter circuit 3 by after amplifying power
Pwm signal be assigned to Jing Yin brshless DC motor 4, control Jing Yin brshless DC motor 4 to rotate and then drive the blowout of flabellum 5 to sleep
Dormancy wind, meanwhile, the actual speed signal of Jing Yin brshless DC motor 4 feeds back to tach signal generating means 1 and realizes to Jing Yin nothing
The closed-loop control of the rotating speed of brushless motor 4.
Tach signal generating means 1 includes a Switching Power Supply 11, an environmental parameter sensor 12, a DSP (at data signal
Reason device) 13 and one it is arranged on Hall sensor 41 in Jing Yin brshless DC motor 4.Switching Power Supply 11 is used for single phase ac
Electric (220V/50Hz) is converted to different DC voltages, respectively environmental parameter sensor 12, DSP13, drive circuit 2, inversion
Hall sensor 41 in circuit 3 and Jing Yin brshless DC motor 4 provides dc source.Environmental parameter sensor 12 gathers sky
Temperature degree, mean radiant temperature and air humidity signal are simultaneously exported to DSP13, and Hall sensor 41 gathers Jing Yin brushless dc
, to DSP13, DSP13 is according to all signal of change pwm signals for receiving for the actual speed signal output of machine 4.
DSP13 includes thermal resistance setup module 131, sleep duration setting module 132, metabolic rate generation module 133, SET (mark
Quasi- effective temperature) wind speed computing module 134, wind speed clipping module 135, wind speed-motor speed modular converter 136 and stepless time adjustment
Module 137.The collection bedding type signal of thermal resistance setup module 131 is converted into thermal resistance signal, and exports to SET wind speed computing modules
134；Sleep duration setting module 132 gathers sleep duration signal and is converted into function zoom factor, and exports to metabolic rate generation
Module 133；Metabolic rate generation module 133 calculates metabolic rate signal according to function zoom factor, and exports to SET wind speed calculating mould
Block 134；Air themperature, mean radiant temperature and air that SET wind speed computing module 134 is exported according to environmental parameter sensor 12
Moisture signal, thermal resistance setup module 131 output thermal resistance signal, metabolic rate generation module 133 output metabolic rate signal and
Default SET value, calculation of wind speed pre-signal is simultaneously exported to wind speed clipping module 135；Wind speed clipping module 135 is to wind speed pre-signal
Wind speed end signal is obtained after being modified, and is exported to wind speed-motor speed modular converter 136；Wind speed-motor speed modulus of conversion
Wind speed end signal is converted to tach signal by block 136, and is exported to stepless time adjustment module 137；Stepless time adjustment module 137 is by rotating speed
Signal is converted to pwm signal output.Meanwhile, actual speed signal that stepless time adjustment module 137 exports Hall sensor 41 with
The tach signal that wind speed-motor speed modular converter 136 is calculated is compared, and pwm signal is adjusted according to comparative result
And export, realize the closed loop stepless time adjustment to Jing Yin brshless DC motor 4.
In above-described embodiment, the operating voltage of digital signal processor 13 is+3.3V and+1.8V, environmental parameter sensor
12 and the operating voltage of Hall sensor 41 be+5V, the operating voltage of drive circuit 2 is+15V, the work electricity of inverter circuit 3
Press as+15V.
In above-described embodiment, the sensor of the use ± 0.1 DEG C precision of environmental parameter sensor 12 and ± 5% humidity precision,
This is due to through actual measurement, substantially 1 DEG C/h of rate temperature change in summer room.
In above-described embodiment, Jing Yin brshless DC motor 4 can use the Jing Yin flabellum of five leaves and Jing Yin motor, and it produces white
Hot-tempered noise level is smaller, and sleep will not be interfered.
As shown in Fig. 2 the present invention includes following step based on ambient parameter and the sleeping wind control method in sleep physiology cycle
Suddenly：
1) start fan, open sleeping wind pattern, initialize DSP13, open environmental parameter sensor 12.
2) environmental parameter sensor 12 is adopted according to CF (such as can be 1 second, only as example, but not limited to this)
Collection air themperature, mean radiant temperature and air humidity signal are simultaneously exported to SET wind speed computing module 134.
3) thermal resistance setup module 131 is converted into corresponding thermal resistance signal, and export according to the selected bedding type of user
To SET wind speed computing module 134.
The different bedding entire thermal resistance of different bedding type correspondences, bedding entire thermal resistance refers to mattress, sheet, quilt, pillow
The entire thermal resistance of head, mat, nightwear pyjama trousers and air layer.The present invention warms up body according to the measured data of phjytotron by using
The standardized garment thermal resistance experiment that dummy is carried out obtains the thermal resistance value of each bedding type, and have chosen three kinds of bedding entire thermal resistance value differences
Different larger Summer typical case's bedding type is selected for user.
4) sleep duration setting module 132 gathers the sleep duration signal of change function zoom factor of user's setting, and defeated
Go out to metabolic rate generation module 133.
The setting range of sleep duration setting module 132 is 1~12 hour, and user can according to actual needs set sleep
Duration.The internal memory of sleep duration setting module 132 contains the module for calculating function zoom factor, can be corresponded to according to different sleep durations
The different function zoom factor of output.The sleep duration that sleep duration setting module 132 sets according to user produces corresponding letter
Number zoom factors, and by function zoom factor signal output to metabolic rate generation module 133.
5) metabolic rate generation module 133 calculates generation metabolic rate signal according to the function zoom factor for obtaining, and output is arrived
SET wind speed computing module 134.
As shown in figure 3, the letter that the eight hours sleep stage metabolic rates of being stored with metabolic rate generation module 133 are changed over time
Number, it is to be simplified to obtain by metabolic rate actual change rule in a sleep state.The present invention divides eight hours sleep stages
It is four-stage, the function that the different metabolic rate of each stage correspondence is changed over time：First stage is 30 points after falling asleep
Clock, output step-length is 2 minutes；Second stage is for 30 minutes to 3.5 hours after falling asleep, output step-length is 15 minutes；3rd
Stage is in 4 hours to 7 hours, output step-length is 30 minutes after falling asleep；Four-stage is last 1 hour, and output step-length is 5
Minute.Metabolic rate generation module 133 according to the function zoom factor for receiving, when calculating the new metabolic rate of generation with actual sleep
The function of change long, obtains the metabolic rate signal and output step-length of different sleep stages, and according to the output of corresponding sleep stage
SET wind speed computing module 134 is arrived in step-length output.
6) SET wind speed computing module 134 is according to air themperature, mean radiant temperature, air humidity, the thermal resistance letter for receiving
Number, metabolic rate signal and default SET value, be calculated wind speed pre-signal and export to wind speed clipping module 135.
SET wind speed computation models are prestored in SET wind speed computing module 134, it is based in human thermal sensation's model
What two nodal analysis methods were set up, be important hotness (TSV) evaluation index in thermal comfort field.SET value can rationally reflect wind
Can influence of the speed to TSV, TSV be to evaluate wind speed reach hotness evaluation index of the human body to thermal comfort requirement, its value
Scope is -3~+3, when between TSV=-0.5~+0.5, represents that people is in neutral state (neither very warm nor cold).SET value includes
The effect of six environment and personnel's parameter, respectively air themperature, air humidity, wind speed, mean radiant temperature, bedding thermal resistance and
Metabolic rate.If therefore known air temperature, air humidity, mean radiant temperature, in bedding thermal resistance and metabolic rate and sleep heat
SET value under proterties state, can just extrapolate the air speed value of needed by human body when environment reaches neutral.In the present embodiment, SET value
According to different bedding thermal resistance values, (1.5clo, 1.9clo, 2.2clo) is respectively set as 29 DEG C from small to large, 28 DEG C, 27 DEG C,
The determination of SET value is obtained with reference to existing experimental research achievements.SET wind speed computing module 134 according to the air themperature for receiving,
Mean radiant temperature, air humidity signal, thermal resistance value signal, metabolic rate signal and default SET value, are calculated wind speed pre-
Signal, and export to wind speed clipping module 135.
7) wind speed clipping module 135 judged the wind speed pre-signal for receiving according to default maximum wind velocity, is obtained
Wind speed end signal, and export to wind speed-motor speed modular converter 136.
Because the wind speed pre-signal that SET wind speed computing module 134 is obtained may exceed what human body in sleep can bear
Maximum wind velocity, i.e. 1.2m/s, in order to ensure health, wind speed clipping module 135 is judged wind speed pre-signal：
When wind speed pre-signal be less than maximum wind velocity when, wind speed clipping module 135 using wind speed pre-signal as wind speed end signal
Directly export；
When wind speed pre-signal is more than maximum wind velocity 1.2m/s, be modified to wind speed pre-signal most by wind speed clipping module 135
Big wind speed 1.2m/s, and as wind speed end signal output.
8) wind speed end signal is converted into tach signal by wind speed-motor speed modular converter 136, and tach signal is exported
To stepless time adjustment module 137.
9) tach signal is converted to pwm signal and exported to drive circuit 2, drive circuit 2 pairs by stepless time adjustment module 137
The pwm signal for receiving drives inverter circuit 3 after carrying out power amplification, drives Jing Yin brshless DC motor to turn by inverter circuit 3
It is dynamic.
10) Hall sensor 41 gathers the actual speed signal of Jing Yin brshless DC motor 4, and actual speed signal is defeated
Go out to stepless time adjustment module 137；The actual speed signal that stepless time adjustment module 137 will be received enters with the tach signal for receiving
Row compares, and according to the pwm signal that the rotating speed deviation adjusting that obtains is exported, and then adjusts the rotating speed of Jing Yin brshless DC motor 4, real
Now to the closed loop stepless speed regulation of Jing Yin brshless DC motor 4, the rotation of Jing Yin brshless DC motor 4 drives the blowout sleep of flabellum 5
Wind.
The various embodiments described above are merely to illustrate the present invention, wherein the structure of each part, connected mode and manufacture craft etc. are all
Can be what is be varied from, every equivalents carried out on the basis of technical solution of the present invention and improvement should not be excluded
Outside protection scope of the present invention.
Claims (3)
1. a kind of sleeping wind controller based on ambient parameter and sleep physiology cycle, it is characterised in that：It includes a rotating speed
Signal generation apparatus, one drive circuit, an inverter circuit, a Jing Yin brshless DC motor and a flabellum；The tach signal hair
Generating apparatus are connected with the drive circuit and Jing Yin brshless DC motor respectively, the PWM of the tach signal generating means output
The inverter circuit is arrived in output after signal carries out power amplification through the drive circuit, by the inverter circuit by after amplifying power
The pwm signal be assigned to the Jing Yin brshless DC motor, control the Jing Yin brshless DC motor to rotate and then drive
The flabellum blows out sleeping wind, meanwhile, the actual speed signal of the Jing Yin brshless DC motor feeds back to the tach signal
Generating means, realizes the closed-loop control to the Jing Yin brshless DC motor rotating speed；
It is described quiet that the tach signal generating means includes that a Switching Power Supply, an environmental parameter sensor, a DSP and are arranged on
Hall sensor in sound brshless DC motor；The Switching Power Supply is used to for single-phase alternating current to be converted to different direct currents
Pressure, the Hall in respectively described environmental parameter sensor, DSP, drive circuit, inverter circuit and Jing Yin brshless DC motor
Sensor provides dc source；The environmental parameter sensor collection air themperature, mean radiant temperature and air humidity signal
And export to the DSP, the Hall sensor gathers the actual speed signal output of the Jing Yin brshless DC motor to institute
DSP is stated, the DSP is according to all signal of change pwm signals for receiving；
The DSP include thermal resistance setup module, sleep duration setting module, metabolic rate generation module, SET wind speed computing module,
Wind speed clipping module, wind speed-motor speed modular converter and stepless time adjustment module, wherein SET are standard effective temperature (SET)；The heat
Resistance setup module collection bedding type signal is converted into thermal resistance signal, and exports to the SET wind speed computing module；The sleep
Duration setting module collection sleep duration signal is converted into function zoom factor, and exports to the metabolic rate generation module；Institute
State metabolic rate generation module and metabolic rate signal is calculated according to sleep duration information, and export to the SET wind speed computing module；Institute
State air themperature, mean radiant temperature and air humidity that SET wind speed computing module is exported according to the environmental parameter sensor
Signal, the thermal resistance signal of thermal resistance setup module output, the metabolic rate signal of metabolic rate generation module output and pre-
If SET value, calculation of wind speed pre-signal simultaneously exported to the wind speed clipping module；The wind speed clipping module is to wind speed pre-signal
Wind speed end signal is obtained after being modified, and is exported to the wind speed-motor speed modular converter；Wind speed-the motor speed
Wind speed end signal is converted to tach signal by modular converter, and is exported to the stepless time adjustment module；The stepless time adjustment module
Tach signal is converted into pwm signal output；Meanwhile, the reality that the stepless time adjustment module exports the Hall sensor turns
The tach signal that fast signal is calculated with the wind speed-motor speed modular converter is compared, according to comparative result to pwm signal
It is adjusted and exports, realizes the closed loop stepless time adjustment to the Jing Yin brshless DC motor.
2. ambient parameter and the sleeping wind controller in sleep physiology cycle are based on as claimed in claim 1, it is characterised in that：
The sensor of environmental parameter sensor use ± 0.1 DEG C precision and ± 5% humidity precision.
3. a kind of using as claimed in claim 1 or 2 based on ambient parameter and the sleeping wind controller in sleep physiology cycle
Control method, comprises the following steps：
1) start fan, open sleeping wind pattern, initialize DSP, open environmental parameter sensor；
2) environmental parameter sensor is arrived according to CF collection air themperature, mean radiant temperature and air humidity signal output
SET wind speed computing modules；
3) thermal resistance setup module is converted into corresponding thermal resistance signal, and export to SET wind according to the selected bedding type of user
Fast computing module；
4) the sleep duration signal of change function zoom factor of sleep duration setting module collection user's setting, and export to metabolism
Rate generation module；
5) metabolic rate generation module calculates generation metabolic rate signal according to the function zoom factor for obtaining, and exports to SET wind speed
Computing module；
6) SET wind speed computing module is according to air themperature, mean radiant temperature, air humidity signal, the thermal resistance value letter for receiving
Number, metabolic rate signal and default SET value, be calculated wind speed pre-signal and export to wind speed clipping module；
7) wind speed clipping module judged the wind speed pre-signal for receiving according to default maximum wind velocity, is obtained wind speed and is believed eventually
Number, and export to wind speed-motor speed modular converter；
When wind speed pre-signal is less than maximum wind velocity, wind speed clipping module is directly defeated as wind speed end signal using wind speed pre-signal
Go out；
When wind speed pre-signal is more than maximum wind velocity, wind speed pre-signal is modified to maximum wind velocity, and conduct by wind speed clipping module
Wind speed end signal output；
8) wind speed-motor speed modular converter；Wind speed end signal is converted into tach signal, and tach signal output is arrived electrodeless
Speed adjusting module；
9) tach signal is converted to pwm signal and exported to drive circuit by stepless time adjustment module, and drive circuit is to receiving
Pwm signal drives inverter circuit after carrying out power amplification, drives Jing Yin brshless DC motor to rotate by inverter circuit；
10) Hall sensor gathers the actual speed signal of Jing Yin brshless DC motor, and by actual speed signal output to nothing
Pole speed adjusting module；The actual speed signal that stepless time adjustment module will be received is compared with the tach signal for receiving, according to
The pwm signal of the rotating speed deviation adjusting output for obtaining, and then the rotating speed of Jing Yin brshless DC motor is adjusted, realize to Jing Yin brushless
The closed loop stepless speed regulation of direct current generator, the rotation of Jing Yin brshless DC motor drives flabellum blowout sleeping wind.
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| CN201410709941.2A CN104467563B (en) | 2014-11-28 | 2014-11-28 | Sleep air control device and method based on environment parameters and sleep physiological cycles |
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| CN201410709941.2A CN104467563B (en) | 2014-11-28 | 2014-11-28 | Sleep air control device and method based on environment parameters and sleep physiological cycles |
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| CN106123206B (en) * | 2016-06-17 | 2018-11-23 | 美的集团股份有限公司 | A kind of method and system adjusting ambient heat |
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