CN204290793U - Based on environmental parameter and the sleeping wind controller in sleep physiology cycle - Google Patents
Based on environmental parameter and the sleeping wind controller in sleep physiology cycle Download PDFInfo
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- CN204290793U CN204290793U CN201420734344.0U CN201420734344U CN204290793U CN 204290793 U CN204290793 U CN 204290793U CN 201420734344 U CN201420734344 U CN 201420734344U CN 204290793 U CN204290793 U CN 204290793U
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- 230000007613 environmental effect Effects 0.000 title claims abstract description 30
- 230000008665 sleep physiology Effects 0.000 title claims abstract description 15
- 241000883990 Flabellum Species 0.000 claims abstract description 9
- 230000003321 amplification Effects 0.000 claims description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 4
- 230000037323 metabolic rate Effects 0.000 abstract description 29
- 230000004617 sleep duration Effects 0.000 abstract description 17
- 230000003860 sleep quality Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 5
- 238000004364 calculation method Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 2
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- 230000006870 function Effects 0.000 description 12
- 230000008859 change Effects 0.000 description 5
- 230000008667 sleep stage Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 230000037322 slow-wave sleep Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 235000019633 pungent taste Nutrition 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000036962 time dependent Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
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- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005802 health problem Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000036385 rapid eye movement (rem) sleep Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
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- 235000019615 sensations Nutrition 0.000 description 1
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Abstract
The utility model relates to a kind of based on environmental parameter and the sleeping wind controller in sleep physiology cycle, it is characterized in that: it comprises tach signal generating means, drive circuit, inverter circuit, quiet brshless DC motor and flabellum; Tach signal generating means comprises Switching Power Supply, environmental parameter sensor and digital signal processor; Digital signal processor comprises thermal resistance and arranges 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; Quiet brshless DC motor comprises Hall element.Environmental parameter sensor is adopted to gather the temperature and humidity information of actual environment, adopt thermal resistance that bedding entire thermal resistance signal and the metabolic rate generation module calculating metabolic rate signal of module acquires reality are set, by SET wind speed computing module calculation of wind speed value, achieve the requirement to thermal comfort in sleep quality process.The utility model can be widely used in fan manufacture field.
Description
Technical field
The utility model relates to fan manufacturing technology field, particularly about a kind of based on environmental parameter and the sleeping wind controller in sleep physiology cycle.
Background technology
The all one's life of common people about has the time of 1/3 to be in sleep state, along with the quickening of modern's Working Life rhythm, sleep becomes ever more important, and comfortable sleep environment is undoubtedly the basic guarantee of well sleep, improve sleep quality environment, improve sleep quality comfortableness and have very important significance.A large amount of achievements in research shows, the partially wet sleep environment of disadvantageous partial heat can have a negative impact to sleep quality, and such as temperature decline is suppressed, slow wave sleep (SWS) and fast wave sleep (REM) time decreased and the increase of awakening number of times etc.People are in order to improving water flood, and often open air-conditioning and fan, but the health problem thereupon brought is of common occurrence, atmosphere draught-free and the humidity of such as air-conditioned room are on the low side, easily cause " air conditioner disease "; Fan is forgotten to close or timing is long easily makes people have a cold.
Chinese utility model patent application number is 201020552659.5 " a kind of based on the dormant Intelligent electric fan of user ", the principle of this device is: first by every physiologic information parameter when physiological information sensor collection and monitoring user sleep, judge that user is entering sleep state or wake state by information service subsequently, be in slow motion eye sleep (or claiming slow wave sleep) stage or be in REM sleep (or claiming fast wave sleep) stage, accurately controlling the rotating speed of fan finally by Intelligent electric fan controller.This characteristic feature of an invention is that the controling parameters of fan is the sleep physiology cycle based on user, but the sleep quality detection means in domestic fan is all not enough to the accurate result by stages obtaining the sleep physiology cycle, and, the size of wind speed and other thermal environment parameters have indivisible relation, so the control of sleeping wind also needs and environmental parameter interlock, but this device is not equipped with environmental parameter sensor.And on the market with the fan of environmental parameter sensor, do not introduce again the sleep physiology cycle of human body, still can bring healthy hidden danger.
Summary of the invention
For the problems referred to above, the purpose of this utility model be to provide a kind of can meet human body to the demand of thermal comfort in sleep procedure based on environmental parameter and the sleeping wind controller in sleep physiology cycle.
For achieving the above object, the utility model takes following technical scheme: a kind of based on environmental parameter and the sleeping wind controller in sleep physiology cycle, it is characterized in that: it comprises a tach signal generating means, one drive circuit, an inverter circuit, a quiet brshless DC motor and a flabellum; Described tach signal generating means is connected with described drive circuit and quiet brshless DC motor respectively, the pwm signal that described tach signal generating means exports carries out outputting to described inverter circuit after power amplification through described drive circuit, by described inverter circuit, the described pwm signal after amplifying power is assigned to described quiet brshless DC motor, control described quiet brshless DC motor rotate and then drive described flabellum to blow out sleeping wind, meanwhile, the actual speed signal feedback of described quiet brshless DC motor is to described tach signal generating means.
Described tach signal generating means comprises a Switching Power Supply, an environmental parameter sensor, a DSP and are arranged on Hall element in described quiet brshless DC motor; Described environmental parameter sensor gathers air themperature, mean radiant temperature and air humidity signal and outputs to described DSP, and the actual speed signal that described Hall element gathers described quiet brshless DC motor outputs to described DSP; Described Switching Power Supply is that each parts are powered.
Described environmental parameter sensor adopts the transducer of ± 0.1 DEG C of precision and ± 5% humidity precision.
The utility model is owing to taking above technical scheme, it has the following advantages: 1, the temperature and humidity information of the utility model owing to adopting environmental parameter sensor to gather actual environment, adopt thermal resistance that bedding entire thermal resistance signal and the metabolic rate generation module calculating metabolic rate signal of module acquires reality are set, by SET wind speed computing module calculation of wind speed value, achieve the requirement to thermal comfort in sleep quality process, and energy-conserving and environment-protective more.2, the utility model selects for user duration of sleeping owing to adopting sleep duration setting module, and sleep duration is determined by user oneself, can meet the different requirements of different user to sleep duration.3, the sleep physiology cycle more realistic sleep quality situation that stores due to metabolic rate generation module of the utility model, simultaneously can also according to the sleep duration Tuning function zoom factor of user's setting, obtain the metabolic rate signal of human body, the physiological requirements of accurately decomposing user control rotating speed to reach the object of controlled wind speed.4, the utility model is preset with SET wind speed computation model due to the SET wind speed computing module adopted, and environmentally can meet the wind velocity signal of human thermal comfort requirement with personnel's calculation of parameter.5. the utility model differentiates the wind speed pre-signal calculated owing to adopting wind speed clipping module, makes wind speed can meet the maximum wind velocity that can bear in sleep quality, avoids that wind speed is excessive to cause damage to health.The utility model structure is simple, and blowing feeling, by good, effectively improve sleep quality of human body and thermal comfort degree, can be widely used in fan manufacture field.
Accompanying drawing explanation
Fig. 1 is hardware configuration schematic diagram of the present utility model
Fig. 2 is method flow schematic diagram of the present utility model
Fig. 3 is that the utility model eight hours sleep stages divide and metabolic rate change schematic diagram
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
As shown in Figure 1, the utility model comprises a tach signal generating means 1, one drive circuit 2, inverter circuit 3, quiet brshless DC motor 4 and a flabellum 5 based on environmental parameter and the sleeping wind controller in sleep physiology cycle.Tach signal generating means 1 is connected with drive circuit 2 and quiet brshless DC motor 4 respectively, PWM (pulse width modulation) signal that tach signal generating means 1 exports outputs to inverter circuit 3 after drive circuit 2 carries out power amplification, by inverter circuit 3, the pwm signal after amplifying power is assigned to quiet brshless DC motor 4, control quiet brshless DC motor 4 rotate and then drive flabellum 5 to blow out sleeping wind, simultaneously, the actual speed signal feedback of quiet brshless DC motor 4 realizes the closed-loop control to quiet brshless DC motor 4 rotating speed to tach signal generating means 1.
Tach signal generating means 1 comprises Switching Power Supply 11, environmental parameter sensor 12 and a DSP (digital signal processor) 13.Switching Power Supply 11 is for being converted to different direct voltages by single-phase alternating current (220V/50Hz), and the Hall element 41 be respectively in environmental parameter sensor 12, DSP13, drive circuit 2, inverter circuit 3 and quiet brshless DC motor 4 provides DC power supply.Environmental parameter sensor 12 gathers air themperature, mean radiant temperature and air humidity signal and outputs to DSP13, the actual speed signal that Hall element 41 gathers quiet brshless DC motor 4 outputs to DSP13, and DSP13 is according to all calculated signals pwm signals received.
DSP13 comprises thermal resistance and arranges module 131, sleep duration setting module 132, metabolic rate generation module 133, SET (standard effective temperature (SET)) wind speed computing module 134, wind speed clipping module 135, wind speed-motor speed modular converter 136 and stepless time adjustment module 137.Thermal resistance arranges module 131 and gathers bedding type signal and convert thermal resistance signal to, and outputs to SET wind speed computing module 134; Sleep duration setting module 132 gathers sleep duration calculated signals function zoom factor, and outputs to metabolic rate generation module 133; Metabolic rate generation module 133 calculates metabolic rate signal according to sleep duration information, and outputs to SET wind speed computing module 134; The metabolic rate signal that SET wind speed computing module 134 air themperature, mean radiant temperature and air humidity signal, thermal resistance that environmentally parameter sensors 12 exports arrange thermal resistance signal that module 131 exports, metabolic rate generation module 133 exports and default SET value, calculation of wind speed pre-signal also outputs to wind speed clipping module 135; Wind speed clipping module 135 pairs of wind speed pre-signals obtain the whole signal of wind speed after revising, and output to wind speed-motor speed modular converter 136; Whole for wind speed signal is converted to tach signal by wind speed-motor speed modular converter 136, and outputs to stepless time adjustment module 137; Tach signal is converted to pwm signal and exports by stepless time adjustment module 137.Simultaneously, the actual speed signal that Hall element 41 exports by stepless time adjustment module 137 and the tach signal that wind speed-motor speed modular converter 136 calculates compare, according to comparative result pwm signal adjusted and export, realizing the closed loop stepless time adjustment to quiet brshless DC motor 4.
In above-described embodiment, the operating voltage of digital signal processor 13 is+3.3V and+1.8V, and the operating voltage of environmental parameter sensor 12 and Hall element 41 is+5V, and the operating voltage of drive circuit 2 is+15V, and the operating voltage of inverter circuit 4 is+15V.
In above-described embodiment, environmental parameter sensor 12 adopts ± transducer of 0.1 DEG C of precision and ± 5% humidity precision, and this is due to through actual measurement, and the rate temperature change in summer room is roughly 1 DEG C/h.
In above-described embodiment, quiet brshless DC motor 4 can adopt the quiet flabellum of five leaves and quiet motor, and it is less that it produces white hot-tempered noise level, can not cause interference to sleep.
As shown in Figure 2, the utility model comprises the following steps based on the sleeping wind control method in environmental parameter and sleep physiology cycle:
1) start fan, open sleeping wind pattern, initialization DSP (digital signal processor) 13, open environmental parameter sensor 12.
2) environmental parameter sensor 12 gathers air themperature, mean radiant temperature and air humidity signal according to characteristic frequency (can be such as 1 second, only as example, but be not limited thereto) and outputs to SET wind speed computing module 134.
3) thermal resistance arranges module 131 according to user-selected bedding type, converts corresponding thermal resistance value signal to, and outputs to SET wind speed computing module 134.
The bedding thermal resistance value that different bedding type is corresponding different, bedding entire thermal resistance refers to the entire thermal resistance comprising mattress, sheet, quilt, pillow, mat, nightwear pyjama trousers and air layer.The utility model is according to the measured data of phjytotron, by adopting the thermal manikin standardized garment thermal resistance of carrying out to test the thermal resistance value obtaining each bedding type, and have chosen the Summer typical case bedding type that three kinds of bedding thermal resistance value differ greatly and select for user.
4) duration setting module 132 of sleeping gathers the sleep duration calculated signals function zoom factor of user's setting, and outputs to metabolic rate generation module 133.
The setting range of sleep duration setting module 132 is 1 ~ 12 hour, and user can set sleep duration according to actual needs.Store the algorithm of computing function zoom factor in sleep duration setting module 132, may correspond to according to difference sleep duration and export different function zoom factors.Sleep duration setting module 132 produces corresponding function zoom factor according to the sleep duration of user's setting, and function zoom factor signal is outputted to metabolic rate generation module 133.
5) metabolic rate generation module 133 calculates according to the function zoom factor obtained and generates metabolic rate signal, and outputs to SET wind speed computing module 134.
As shown in Figure 3, store eight hours time dependent functions of sleep stage metabolic rate in metabolic rate generation module 133, it is simplified by metabolic rate actual change rule in a sleep state to obtain.Eight hours sleep stages are divided into four-stage by the utility model, the time dependent function of metabolic rate that every one-phase is corresponding different: first stage is 30 minutes after falling asleep, and exporting step-length is 2 minutes; Second stage is for falling asleep latter 30 minutes to 3.5 hours, and exporting step-length is 15 minutes; Three phases is for falling asleep latter 4 hours in 7 hours, and exporting step-length is 30 minutes; Four-stage is last 1 hour, and exporting step-length is 5 minutes.Metabolic rate generation module 133 is according to the function zoom factor received, calculate and generate the function of new metabolic rate with the change of reality sleep duration, obtain the metabolic rate signal of different sleep stage and export step-length, and outputting to SET wind speed computing module 134 according to the output step-length of corresponding sleep stage.
6) SET wind speed computing module 134 is according to the air themperature received, mean radiant temperature, air humidity signal, thermal resistance value signal, and metabolic rate signal and default SET value, calculate wind speed pre-signal and output to wind speed clipping module 135.
Prestore SET wind speed computation model in SET wind speed computing module 134, it is set up based on two nodal analysis methods in human thermal sensation's model, is hotness (TSV) evaluation index important in thermal comfort field.SET value rationally can reflect the impact of wind speed on TSV, can TSV evaluate wind speed reach the hotness evaluation index of human body to thermal comfort requirement, its span is-3 ~+3, time between TSV=-0.5 ~+0.5, represents that people is in neutral state (neither very warm nor cold).SET value comprises the effect of six environment and personnel's parameter, is 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, the SET value under bedding thermal resistance and metabolic rate and neutral state of sleeping, just can 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 value from small to large (1.5clo, 1.9clo, 2.2clo) be set as 29 DEG C respectively, 28 DEG C, 27 DEG C, the determination of SET value obtains with reference to existing experimental research achievements.SET wind speed computing module 134 is according to the air themperature received, and mean radiant temperature, air humidity signal, thermal resistance value signal, metabolic rate signal and default SET value, calculate wind speed pre-signal, and output to wind speed clipping module 135.
7) wind speed clipping module 135 judges the wind speed pre-signal received according to the maximum wind velocity preset, and obtains the whole signal of wind speed, and outputs to wind speed-motor speed modular converter 136.
The wind speed pre-signal obtained due to SET wind speed computing module 134 may exceed the maximum wind velocity that in sleep, human body can bear, i.e. 1.2m/s, and in order to ensure health, wind speed clipping module 135 pairs of wind speed pre-signals judge:
When wind speed pre-signal is less than maximum wind velocity, wind speed pre-signal directly exports as the whole signal of wind speed by wind speed clipping module 135;
When wind speed pre-signal is greater than maximum wind velocity 1.2m/s, wind speed pre-signal is modified to maximum wind velocity 1.2m/s by wind speed clipping module 135, and exports as the whole signal of wind speed.
8) whole for wind speed signal is converted into tach signal by wind speed-motor speed modular converter 136, and tach signal is outputted to stepless time adjustment module 137.
9) tach signal is converted to pwm signal and outputs to drive circuit 2 by stepless time adjustment module 137, and drive circuit 2 carries out power amplification rear drive inverter circuit 3 to the pwm signal received, and drives quiet brshless DC motor to rotate by inverter circuit 3.
10) Hall element 41 gathers the actual speed signal of quiet brshless DC motor 4, and actual speed signal is outputted to stepless time adjustment module 137; The actual speed signal received and the tach signal received compare by stepless time adjustment module 137, according to the pwm signal that the rotating speed deviation adjusting obtained exports, and then regulate the rotating speed of quiet brshless DC motor 4, realize the closed loop stepless speed regulation to quiet brshless DC motor 4, the rotation of quiet brshless DC motor 4 drives flabellum 5 to blow out sleeping wind.
The various embodiments described above are only for illustration of the utility model; wherein the structure of each parts, connected mode and manufacture craft etc. all can change to some extent; every equivalents of carrying out on the basis of technical solutions of the utility model and improvement, all should not get rid of outside protection range of the present utility model.
Claims (3)
1. based on environmental parameter and the sleeping wind controller in sleep physiology cycle, it is characterized in that: it comprises a tach signal generating means, one drive circuit, an inverter circuit, a quiet brshless DC motor and a flabellum; Described tach signal generating means is connected with described drive circuit and quiet brshless DC motor respectively, the pwm signal that described tach signal generating means exports carries out outputting to described inverter circuit after power amplification through described drive circuit, by described inverter circuit, the described pwm signal after amplifying power is assigned to described quiet brshless DC motor, control described quiet brshless DC motor rotate and then drive described flabellum to blow out sleeping wind, meanwhile, the actual speed signal feedback of described quiet brshless DC motor is to described tach signal generating means.
2. as claimed in claim 1 based on environmental parameter and the sleeping wind controller in sleep physiology cycle, it is characterized in that: described tach signal generating means comprises a Switching Power Supply, an environmental parameter sensor, a DSP and are arranged on Hall element in described quiet brshless DC motor; Described environmental parameter sensor gathers air themperature, mean radiant temperature and air humidity signal and outputs to described DSP, and the actual speed signal that described Hall element gathers described quiet brshless DC motor outputs to described DSP; Described Switching Power Supply is that each parts are powered.
3. as claimed in claim 2 based on environmental parameter and the sleeping wind controller in sleep physiology cycle, it is characterized in that: described environmental parameter sensor adopts the transducer of ± 0.1 DEG C of precision and ± 5% humidity precision.
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| CN201420734344.0U CN204290793U (en) | 2014-11-28 | 2014-11-28 | Based on environmental parameter and the sleeping wind controller in sleep physiology cycle |
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| CN201420734344.0U CN204290793U (en) | 2014-11-28 | 2014-11-28 | Based on environmental parameter and the sleeping wind controller in sleep physiology cycle |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104467563B (en) * | 2014-11-28 | 2017-05-24 | 清华大学 | Sleep air control device and method based on environment parameters and sleep physiological cycles |
| CN108591103A (en) * | 2018-02-11 | 2018-09-28 | 广东美的环境电器制造有限公司 | Fan wind speed control method system and fan |
| CN110594178A (en) * | 2018-06-13 | 2019-12-20 | 广东美的环境电器制造有限公司 | Fan and fan control method |
| CN110939597A (en) * | 2019-11-04 | 2020-03-31 | 佛山市云米电器科技有限公司 | Fan with sleep wind function |
| CN111075737A (en) * | 2019-11-04 | 2020-04-28 | 佛山市云米电器科技有限公司 | Fan with customized intelligent wind function |
| CN111102223A (en) * | 2019-11-04 | 2020-05-05 | 佛山市云米电器科技有限公司 | Fan with crowd distribution identification function |
-
2014
- 2014-11-28 CN CN201420734344.0U patent/CN204290793U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104467563B (en) * | 2014-11-28 | 2017-05-24 | 清华大学 | Sleep air control device and method based on environment parameters and sleep physiological cycles |
| CN108591103A (en) * | 2018-02-11 | 2018-09-28 | 广东美的环境电器制造有限公司 | Fan wind speed control method system and fan |
| CN108591103B (en) * | 2018-02-11 | 2019-08-23 | 广东美的环境电器制造有限公司 | Fan wind speed control method system and fan |
| CN110594178A (en) * | 2018-06-13 | 2019-12-20 | 广东美的环境电器制造有限公司 | Fan and fan control method |
| CN110939597A (en) * | 2019-11-04 | 2020-03-31 | 佛山市云米电器科技有限公司 | Fan with sleep wind function |
| CN111075737A (en) * | 2019-11-04 | 2020-04-28 | 佛山市云米电器科技有限公司 | Fan with customized intelligent wind function |
| CN111102223A (en) * | 2019-11-04 | 2020-05-05 | 佛山市云米电器科技有限公司 | Fan with crowd distribution identification function |
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Granted publication date: 20150422 |