CN106681123A - Intelligent alarm clock adaptive control wake-up method and sleep monitoring system - Google Patents

Intelligent alarm clock adaptive control wake-up method and sleep monitoring system Download PDF

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Publication number
CN106681123A
CN106681123A CN201611039375.4A CN201611039375A CN106681123A CN 106681123 A CN106681123 A CN 106681123A CN 201611039375 A CN201611039375 A CN 201611039375A CN 106681123 A CN106681123 A CN 106681123A
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cur
alarm clock
formula
sleep
wake
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CN106681123B (en
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孙琪
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Zhejiang Comfort Technology Co Ltd
Xilinmen Furniture Co Ltd
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Zhejiang Comfort Technology Co Ltd
Xilinmen Furniture Co Ltd
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    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B23/00—Arrangements producing acoustic signals at preselected times
    • G04B23/02—Alarm clocks
    • G04B23/021—Controls (winding up the alarm; adjusting and indicating the waking time)
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/0205—Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/024—Detecting, measuring or recording pulse rate or heart rate
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
    • A61B5/0816—Measuring devices for examining respiratory frequency
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
    • A61B5/1116—Determining posture transitions
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/48—Other medical applications
    • A61B5/4806—Sleep evaluation
    • A61B5/4809—Sleep detection, i.e. determining whether a subject is asleep or not
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/48—Other medical applications
    • A61B5/4806—Sleep evaluation
    • A61B5/4812—Detecting sleep stages or cycles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6887—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient mounted on external non-worn devices, e.g. non-medical devices
    • A61B5/6892—Mats
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M21/00—Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G13/00—Producing acoustic time signals
    • G04G13/02—Producing acoustic time signals at preselected times, e.g. alarm clocks
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M21/00—Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis
    • A61M2021/0005—Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis by the use of a particular sense, or stimulus
    • A61M2021/0027—Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis by the use of a particular sense, or stimulus by the hearing sense

Abstract

The present invention relates to an intelligent alarm clock adaptive control wake-up method and a sleep monitoring system. The volume of an existing alarm clock cannot be adjusted in real time according to the sleep state of a user, and the wake-up mode of the existing alarm clock lacks diversity. According to the intelligent alarm clock adaptive control wake-up method of the invention, an alarm clock wake-up module is controlled according to the real-time sleep state of the user so as to realize a flexible wake-up function; and the volume of the alarm clock is tracked and adjusted according to the sleep state of the user, and therefore, it can be ensured that the user can gradually enter a sober state at a preset wake-up time point, and use experience can be effectively enhanced.

Description

A kind of intelligent alarm clock Self Adaptive Control awakening method and sleep monitor system
Technical field
The present invention relates to smart home field, and in particular to a kind of intelligent alarm clock Self Adaptive Control awakening method and sleep prison Examining system.
Background technology
With the quickening of people's rhythm of life, more and more evenings City Youth bedtime, the not enough length of one's sleep causes Next day, by the mandatory wake-up of alarm clock of " not gentle ", the Product Experience not pleased is brought to most people.Traditional alarm clock wakes up Mode is clumsy, can only wake up user with constant volume by fixed music in the set time, it is impossible to bring user more flexible more easypro Suitable wake-up experience, is especially waken up under deep sleep by alarm clock, and ring of alarm clock is noise for user.And, it is different The people of age bracket is different to the susceptibility of sound, and fixed ring of alarm clock volume may have different anti-to the user of all ages and classes Should, and wake-up effect also has difference.
On the other hand, sleep is the indispensable vital movement of people, and good sleep is to the healthy most important of people.Sleep The sleeping problems such as disorderly and sleeping disorders can affect the work and life of people, and can become the inducement of many diseases.Therefore, have The sleep quality of certain necessary monitoring people.And the comfort and convenient degree of conventional mattresses is mainly by the subjective assessment of user, it is impossible to Provide evaluable sleep quality parameter and result.Existing sleep quality monitoring system integrated level is low, and complex operation.Specialty Sleep quality assessment instrument needs to install multiple electrodes on user's body, and can only be in hospital or specialized laboratory by professional people Member's operation can be carried out, and it is more highly difficult that this causes the realization that sleep quality is monitored to have.
The content of the invention
To solve above-mentioned technical problem, it is an object of the invention to a kind of intelligent alarm clock Self Adaptive Control awakening method and sleep Dormancy monitoring system, alarm clock adopts Intelligent Adaptive Control awakening method, the sleep state of and history current according to user and right The sensitivity of sound, it is gentleer more comfortably to wake up user, improve experience.
The present invention is achieved through the following technical solutions：A kind of intelligent alarm clock Self Adaptive Control awakening method, by default Moment controls the volume of quarter-bell according to user's sleep state, and the volume of quarter-bell can be with the change of user's sleep state Change, it is ensured that user, the Self Adaptive Control awakening method of intelligent alarm clock includes following method and step：
1) instant volume parameters V is obtained according to formula (1)cur：
Wherein, TstopFor alarm clock close moment, TturnFor sleep state changing moment, kcurIt is worth for sleep coefficient immediately, Vmax For alarm clock maximum output volume, to wake up coefficient variation, the initial value of σ is 1 to σ；Setting alarm clock Startup time is Tstart, when instant Moment Tcur=TstartWhen, obtain instant sleep state S using physiologic information monitoring assemblycur, instant sound is obtained by formula (1) Amount parameter Vcur, time T when at oncecur＜ TstartWhen, alarm clock is in holding state；When in use, user is by pre-setting TstartTo formulate alarm clock Startup time, and close moment T is obtained by increasing default operating timestop, supervised using physiologic information The component sleep state instant to obtain user is surveyed, and instant volume V of quarter-bell is obtained by substituting into formula (1)cur.First During beginning state, Tturn=Tstart, that is, the default operating time of alarm clock.
Work as Scur=S0When, it is waking state, kcur=k0=-1；Work as Scur=S1When, it is shallow to sleep state, kcur=k1=0； Work as Scur=S2When, it is deep sleep, kcur=k2=1；
2) physiologic information monitoring assembly persistently obtains ScurValue, and by data buffer with interval time h1(unit second) Storage VcurAnd Scur, and form previous history volume value VhWith VhCorresponding previous historical sleep state Sh, work as Scur≠Sh When, jump to step 3), work as Scur=ShWhen, jump to step 7)；
Physiologic information monitoring assembly can be monitored with shorter interval time to user's sleep state, and with time interval h1Record data.Data buffer is used for the V that record may change at any timecurAnd Scur, VcurBy ScurTo determine, work as Scur≠Sh When, illustrate that user's sleep state changes, work as Scur=ShWhen, illustrate that user's sleep state is constant.
Operationally, h1=10S, data buffer records V to be spaced 10 secondscurAnd Scur。
3) it is T to obtain sleep state changing moment by physiologic information monitoring assemblyturn, according to instant sleep state and number According in buffer previous historical sleep coefficient obtaining volume change curve：
Wherein, k be sleep state parameter, TturnRefer to Scur≠ShThe moment of Shi Fasheng；If Scur=S0When, then jump to Step 5), if Scur≠S0When, then carry out following operation：
If Scur=S2, Sh=S1When, the sleep state of user switchs to deep sleep by the shallow state of sleeping, then k=k2-k1= 1-0=1, substitutes into formula (2) and obtains volume change curve：
If Scur=S2, Sh=S0When, the sleep state of user switchs to deep sleep by waking state, then k=k2-k0= 1- (- 1)=2, substitute into formula (2) and obtain volume change curve；
If Scur=S1, Sh=S0When, the sleep state of user by waking state switch to it is shallow sleep state, then k=k1-k0= 0- (- 1)=1, substitutes into formula (2) and obtains volume change curve；
If Scur=S1, Sh=S2When, the sleep state of user by deep sleep switch to it is shallow sleep state, then continue current sound Value, i.e. Vcur=Vh, afterwards, if sleep state continued for constant and duration are more than setting value h2When, then jump to step 2) Recorded and judged that sleep state changes, otherwise k=k2/ 2, substitute into formula (2) and obtain volume change curve, and further jump Go to step 4), h2Preferably 10S；
4) the volume change curve obtained according to formula (2) is the increasing function of volume, and Vcur≤Vmax, and jump to step It is rapid 2)；
5)Scur=S0, now, user is in waking state, and now, alarm clock completes to wake purpose, needs alarm clock Volume is gradually decrease to quiet.
According to S in data bufferhParameter determining k values, work as Sh=S2When, then k=k0-k2, substitute into formula (3) and obtain Volume change curve；If Sh=S1When, then k=k0-k1, substitute into formula (3) and obtain volume change curve, jump to step 6)；
6) according to the subtraction function that the volume change curve that formula (3) is obtained is volume, TthFor user setting the wake-up moment, Sensitivity coefficient is waken up by adjustment, makes user just in TthMoment is waken up：
Work as Tcur≥TthWhen, then jump to step 2)；
Work as Tcur＜ TthAnd VcurDuring ＞ 0, volume is reduced until being zero according to formula (3), alarm clock is closed afterwards, and will be current Wake up coefficient variation value σ and currently practical wake-up moment t is stored in data buffer, previous wake-up coefficient variation value σ is formed with thish With previous actual wake-up moment th, bring formula (4) into and obtain instant on coefficient variation σcur：
Wherein, N be reference historical data amount, σcurFor the σ in replacement formula (1), (2), (3)；
If 7) Scur=Sh=S0, the sleep state for illustrating user persistently maintains waking state, then k=k0, substitute into public Formula (3) obtains volume change curve, and jumps to step 6)；
If Scur=Sh=S1Or Scur=Sh=S2, illustrate that the sleep state of user is persistently maintained and shallow sleep state or depth State is slept, if sleep state continues the constant and time and is more than setting value h3, then step 2 is jumped to), otherwise k=k2/ 2, substitute into public Formula (2) obtains volume change curve, and jumps to step 4).When in use, h3Preferably 10S.
By said method so that in dormant user by flexible wake-up, system can be according to user's sleep shape State changes to adjust the volume status and process of alarm clock, it is ensured that user proceeds to clear-headed shape with releiving at the default wake-up moment State.
According to a kind of sleep monitor system that above-mentioned Self Adaptive Control awakening method is obtained, including physiologic information monitoring group Part, physiologic information monitoring assembly includes intelligent sleep monitoring modular and physiology information detecting module, the physiology information detecting mould Block adopts piezoelectric film class sensing zone, realizes dynamic and heartbeat the original piezoelectric signal collection of breathing, body；The intelligent sleep monitors mould Block is including controller unit, alarm clock wake module, for calibrating the calibration amplifying circuit for amplifying original piezoelectric signal, for calibrating The wireless communication unit of data transfer between amplifying circuit and alarm clock wake module, power supply unit and coordinate with controller unit Data buffer, the calibrated amplifying circuit of original piezoelectric signal of physiology information detecting module collection is transferred to controller after processing Unit, the controller unit control alarm clock wake module realizes arousal function.
By physiologic information monitoring assembly, controller unit, alarm clock wake module, calibration amplifying circuit, radio communication list Unit, close fit between power supply unit and data buffer, play collection Self Adaptive Control awakening method desired data and phase The effect of Self Adaptive Control awakening method result of calculation, controller unit is answered to obtain user's life by physiologic information monitoring assembly Reason information simultaneously implements the calculating of Self Adaptive Control awakening method, and alarm clock wake module stimulates user to proceed to clear-headed shape by sleep state State.
The letter that the physiology information detecting module includes the sensing zone on mattress and leads to calibration amplifying circuit Number line, sensing zone is arranged on mattress first section and is L, 50cm≤L≤70cm with mattress leading edge spacing, the sensing strap end portion Distance is M, 2cm≤M≤6cm its head distance bed side 4cm between mattress lateral edges, and on the sensing zone viscose sponge is covered, The perforation for connecting outside holding wire is opened up on viscose sponge.
The calibration amplifying circuit has three-level structure for amplifying, and using digital regulation resistance the imbalance and increasing of amplifying circuit are adjusted Benefit, and amplifying circuit adjustable gain is realized by micro controller unit regulation resistance.
Compared with prior art, the invention has the beneficial effects as follows：The present invention and mattress are tightly combined, by mattress Integrated intelligent collecting device, the i.e. sensing zone of piezoelectric membrane class new material, with reference to high-performance embedded processor, judge to use Person in bed/from bed state, in user under bed state, the palmic rate of continuous monitoring user, respiratory rate and the dynamic shape of body State, data cloud server is uploaded in real time.Characterization method is extracted for original piezoelectric signal, present invention achieves from signal The middle method for proposing heart rate and breath data, is carried out using digital signal processing methods such as digital filtering and wavelet transformations to signal Pre-process, exclude the interference signals such as body movement, enterogastric peristalsis, circuit self-noise, propose that breathing is original with heart rate respectively Waveform, then draws heart rate, respiratory rate and sleep state after a series of process.It is adaptive that the present invention provides a kind of intelligent alarm clock Awakening method should be controlled, using Adaptive Control Theory and study concept so as to more humane suitable for the user of all ages and classes Provide the user call service.User both can obtain daily sleep relevant information without the need for professional skill, prevent potential health Problem, updates sleep quality, and the present invention provides a good solution easily to build personal sleep health center Scheme.
The prominent beneficial effect of the present invention：By Self Adaptive Control awakening method come according to the real-time sleep state control of user Alarm clock wake module processed carries out flexible arousal function, and alarm clock volume is tracked adjustment according to using sleep state, it is ensured that use Person proceeds to waking state with releiving at the default wake-up moment, effectively lifts experience.
Description of the drawings
Fig. 1 is the system architecture and annexation schematic diagram of the present invention；
Fig. 2 is the DSP program schematic flow sheet of the present invention；
Fig. 3 is the intelligent alarm clock functional sequence schematic diagram of the present invention；
Specific embodiment
The substantive distinguishing features of the present invention are further described with reference to specification drawings and specific embodiments.
A kind of intelligent alarm clock Self Adaptive Control awakening method as shown in Figure 1 and sleep monitor system, including a kind of intelligence The sleep monitor system of alarm clock Self Adaptive Control awakening method and enforcement intelligent alarm clock Self Adaptive Control awakening method.
In practical operation, sleep monitor system includes physiologic information monitoring assembly, and physiologic information monitoring assembly includes intelligence Energy sleep monitor module and physiology information detecting module, the physiology information detecting module adopts piezoelectric film class sensing zone, realizes Breathing, dynamic and heartbeat the original piezoelectric signal collection of body；The intelligent sleep monitoring modular includes that controller unit, alarm clock wake up Module, the calibration amplifying circuit that original piezoelectric signal is amplified for calibration, for calibrating between amplifying circuit and alarm clock wake module The wireless communication unit of data transfer, power supply unit and the data buffer coordinated with controller unit, physiology information detecting The calibrated amplifying circuit of original piezoelectric signal of module collection is transferred to controller unit, the controller unit control after processing Alarm clock wake module realizes arousal function.
In practical operation, Self Adaptive Control awakening method is achieved by the steps of：
1) instant volume parameters V is obtained according to formula (1)cur：
Wherein, TstopFor alarm clock close moment, TturnFor sleep state changing moment, kcurIt is worth for sleep coefficient immediately, Vmax For alarm clock maximum output volume, to wake up coefficient variation, the initial value of σ is 1 to σ；
Setting alarm clock Startup time is Tstart, moment T when at oncecur=TstartWhen, obtained using physiologic information monitoring assembly Take instant sleep state Scur, instant volume parameters V is obtained by formula (1)cur, time T when at oncecur＜ TstartWhen, at alarm clock In holding state；
Work as Scur=S0When, it is waking state, kcur=k0=-1；Work as Scur=S1When, it is shallow to sleep state, kcur=k1=0； Work as Scur=S2When, it is deep sleep, kcur=k2=1；
2) physiologic information monitoring assembly persistently obtains ScurValue, and by data buffer with interval time h1, store Vcur And Scur, and form previous history volume value VhWith VhCorresponding previous historical sleep state Sh, work as Scur≠ShWhen, jump to Step 3), work as Scur=ShWhen, jump to step 7)；
3) it is T to obtain sleep state changing moment by physiologic information monitoring assemblyturn, according to instant sleep state and number According in buffer previous historical sleep coefficient obtaining volume change curve：
Wherein, k is sleep state parameter；If Scur=S0When, then jump to step 5), otherwise carry out following operation：
The sleep state for assuming user changes, that is, Scur≠ShWhen, there is situations below：
Situation one, if Scur=S0When, then jump to step 5)；
Situation two, if Scur=S2, Sh=S1When, then k=k2-k1, substitute into formula (2) and obtain volume change curve：
Situation three, if Scur=S2, Sh=S0When, then k=k2-k0, substitute into formula (2) and obtain volume change curve；
Situation four, if Scur=S1, Sh=S0When, then k=k1-k0, substitute into formula (2) and obtain volume change curve；
Situation five, if Scur=S1, Sh=S2When, then persistently current volume value, i.e. Vcur=VhIf sleep state continues perseverance The fixed and duration is more than setting value h2, then step 2 is jumped to), otherwise k=k2/ 2, substitute into formula (2) and obtain volume change song Line, and further jump to step 4).
4) the volume change curve obtained according to formula (2) is the increasing function of volume, and Vcur≤Vmax, and jump to step It is rapid 2)；
5)Scur=S0When,
Work as Sh=S2When, then k=k0-k2, substitute into formula (3) and obtain volume change curve；
If Sh=S1When, then k=k0-k1, substitute into formula (3) and obtain volume change curve, jump to step 6)；
6) according to the subtraction function that the volume change curve that formula (3) is obtained is volume, TthFor the wake-up moment of user's setting：
Work as Tcur≥TthWhen, then jump to step 2)；
Work as Tcur＜ TthAnd VcurDuring ＞ 0, volume is reduced until being zero according to formula (3), alarm clock is closed afterwards, and will be current Wake up coefficient variation value σ and currently practical wake-up moment t is stored in data buffer, previous wake-up coefficient variation value σ is formed with thish With previous actual wake-up moment th, bring formula (4) into and obtain instant on coefficient variation σcur：
Wherein, N be reference historical data amount, σcurFor the σ in replacement formula (1), (2), (3)；The σ of acquisitioncurCan To use when next arousal function starts.
If 7) Scur=Sh=S0, then k=k0, substitute into formula (3) and obtain volume change curve, and jump to step 6)；
If Scur=Sh=S1Or Scur=Sh=S2If sleep state continues the constant and time more than setting value h3, then redirect To step 2), otherwise k=k2/ 2, substitute into formula (2) and obtain volume change curve, and jump to step 4).
Self Adaptive Control awakening method, preferred version, h are realized by above-mentioned steps1=10S, h2=10S, h3=10S.This Outward, h1、h2、h3Duration can be adjusted according to actual conditions, also should be regarded as the present invention specific embodiment.
When using sleep monitor system, operated by following steps：
First, Human Physiology information acquisition module, i.e. piezoelectric film class new material sensor strip are installed.Apart from the head of a bed Sensing zone is placed at 60cm, its head distance bed side 4cm, upper and lower viscose sponge opens sponge at head of a bed 68m, bed side 7cm Mouth 2cm, for sensing zone lead.The position of sensor strip should be preferably adjacent to the crucial sensing position such as user's heart so that Sensing obtain data it is more accurate, sensing zone without the need for power supply, its signal output part directly with the calibration of intelligent sleep monitoring modular The signal input part connection of amplifying circuit.
Secondly, the faint original piezoelectric signal that sensing zone collection is obtained carries out three-level amplification by amplifying circuit is corrected, and is suitable With the user of different weight build, the imbalance and gain of amplifying circuit are adjusted using digital regulation resistance, by microcontroller list First PLC technology matches resistance, i.e. amplifying circuit adjustable gain.
Further, the signal after micro controller unit amplifies to calibration carries out Digital Signal Processing.As shown in Fig. 2 when letter When number reaching treatment conditions, more new signal caching, and then judge user be whether in bed state, if not in bed state, then Empty correlated variables, end number signal processing.If user is in bed state, the dynamic state of body to using is sentenced It is disconnected.If user is in dynamic state, due to breathing and HR Heart Rate cannot be extracted, then the dynamic state letter of body of user is directly exported Breath；If user is inactive state, Digital Signal Processing is carried out to signal, will be filtered with noisy signal Jing band logicals after amplification Ripple device output RPM (unit of number of times per minute, beat/min) signal；Meanwhile, the signal is carried out into wavelet transformation and obtains wavelet decomposition Coefficient, is decomposing each layer high frequency coefficient for obtaining and is carrying out the little of BPM (unit of jumping figure per minute, jump/point) signal by changing Reconstructed wave, so as to reach the purpose for eliminating noise.The RPM signal of output and the BPM signals of wavelet reconstruction carry out FFT, lead to The initial value that Spectrum Conversion analysis draws heart rate and respiratory rate is crossed, a series of threshold process, segment processing, local extremum is being carried out The correction such as point draws heart rate and respiratory rate value and draws sleep quality index, and then the result data of acquisition is stored in into sleep quality Data buffer area.
Further, intelligent alarm clock module works in setting time, according to actual sleep state by microcontroller list Unit performs Self Adaptive Control awakening method and controls the different working conditions of its enforcement.As shown in figure 3, when the time reaches alarm clock work After time, current sleep state is inquired about, if for being, from bed state, to stop alarm clock, otherwise calling intelligent alarm clock self-adaptive controlled System wakes up algorithm, control strategy is obtained, until user is waken up.
Finally, the heart rate of the above, respiratory rate, sleep state and alarm clock working condition will be passed by WiFi wireless communication units Transport to cloud server.
The amplification circuit diagram of faint original piezoelectric signal is amplified in the calibration of the present invention.Network label identical electrical point is represented Both are connection status, and the expression for not corresponding to identical match electrical point is connected with other modules, and VCC is 3.3V positive sources, GND is power cathode, i.e.,.Specifically, sensing zone interface P1 provides mating interface for human body physiology information detecting module, and 1,2 Pin is grounded, and 3 pin are hanging, and 4,5 pin are connected with 6 pin of amplifier U2A；U2A and resistance R23, electric capacity C29, C11, C31 constitute one-level Amplifying circuit, its 6 pin is connected with 4,5 pin of sensing zone interface P1, and 5 pin are connected to ground Jing after resistance R7,7 pin Jing electrochemical capacitors It is connected with 6 pin of digital regulation resistance U5 after the negative electrode of C31, resistance R6, R7 and electric capacity C38 constitute bleeder circuit, are amplifier U2A Suitable voltage is provided；Amplifier U2B and resistance R24, R4 and electric capacity C37, C36 constitute second level amplifying circuit, its 2 pin with The 5 pin connection of digital regulation resistance U5,3 pin are connected with 5 pin of amplifier U2A, 1 pin Jing after one end of resistance R4, R14, R15 with put The 5 pin connection of big device U3A；Amplifier U3A and resistance R14, R15, R16, R18, R19, R29 and electric capacity C13, C14, C15, C16, C18 constitute third level amplifying circuit, and its 5 pin is connected Jing after the other end of R15, R14, R4 with 1 pin of amplifier U2B, 7 pin It is connected with the micro controller unit of intelligent sleep monitoring modular Jing after resistance R29, by micro controller unit to the signal after amplification Realize that A/D is changed；Digital regulation resistance U5 constitutes peripheral circuit, its 6 pin and electrochemical capacitor with resistance R21, R22 and electric capacity C21 The anode connection of C31,5 pin are connected with 2 pin of amplifier U2B, the micro controller unit of 4 pin, 5 pin and intelligent sleep monitoring modular Connection, by micro controller unit I2C protocol programming controlled output resistance is realized to digital regulation resistance U5, and resistance is equal to 5 pin of U5 The output valve between 6 pin, so as to avoid amplifying misregistration signal.
Embodiment one：
User setting alarm clock Startup time TstartFor 25 minutes mornings 7 point, alarm clock wake-up moment TthFor 7 points 40 minutes, Tth= Tstop, wake-up sensitivity coefficient σ is initially set as 1, alarm clock maximum output volume VmaxFor 70 decibels.Moment T when at oncecur=Tstart When, physiologic information monitoring assembly is started working, and obtains the sleep state information of user in time, it is assumed that user is now in It is shallow to sleep state, coefficient k of sleeping immediately can be obtainedcur=0, in original state, Tturn=Tstart, that is, the default work of alarm clock Duration, Tstop-Tturn=15 minutes.Instant volume parameters V is obtained by formula (1)cur：
Alarm clock is with a length of h during 7.78 decibels of volume continuous firing1, that is, 10S, and worked as by data buffer record Front VcurAnd Scur, form previous history volume value VhWith VhCorresponding previous historical sleep state Sh, that is, Vh=Vcur= 7.78, Sh=Scur=shallow sleep state.
A length of h in continuous firing1At the end of, physiologic information monitoring assembly can again obtain ScurValue, and with record before ShIt is compared, if Scur=Sh, then illustrate that the sleep state of user is not changed within this 10S cycle, then jump to Step 7)；If Scur≠Sh, then illustrate that the sleep state of user changes, then jump to step 3).
The change of user's sleep state is judged by controller unit, and selects corresponding sleep state parameter k, And formula (2) is substituted into, obtain instant volume V of changecur
It is assumed that when waking state is proceeded to after 30 seconds under user is waken up in quarter-bell with 7.78 decibels of volume, meeting situation One trigger condition, requires to proceed to step 5 according to method), k=k0-k1=-1-0=-1, in the process, Tturn=7:25: 30, formula (3) is substituted into, can obtain：
Instant volume VcurVolume change curve can be obtained according to formula (3) and be tapered into zero.
In step 6) in, work as Tcur＜ TthAnd VcurDuring ＞ 0, by when current awake coefficient variation value σ and currently practical wake-up Carve t and be stored in data buffer, previous wake-up coefficient variation value σ is formed with thishWith previous actual wake-up moment th, bring formula (4) into Obtain instant on coefficient variation σcur：
The σ of acquisitioncurComputing when waking up for next time so that the arousal function of alarm clock wake module more fits user's Actual wake-up requires.
Embodiment two：
Compared to embodiment one, set in embodiment two：User proceeds to sound sleep after alarm clock unlatching by the shallow state of sleeping State, that is, Scur=S2、Sh=S1, then in the trigger condition of the situation that meets two, k=k2-k1=1, substitute into formula (2) and obtain Volume change curve：
With instant moment TcurChange obtain the volume change curve of control alarm clock wake module, volume can gradually increase Greatly, bigger stimulation is produced to user with this.
When physiologic information monitoring assembly perceives user is in waking state, then meet Scur=S0、Sh=S2Triggering Condition, then k=k0-k2=-2, substitute into formula (3) and obtain volume change curve；
VcurVolume change curve can be obtained according to formula (3) and be tapered into until being zero, quarter-bell closing completes to wake up Work.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry Personnel it should be appreciated that the present invention is not restricted to the described embodiments, the simply explanation described in above-described embodiment and specification this The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these changes Change and improvement is both fallen within scope of the claimed invention.The claimed scope of the invention by appending claims and its Equivalent thereof.

Claims (7)

1. a kind of intelligent alarm clock Self Adaptive Control awakening method, it is characterised in that including following method and step：
1) instant volume parameters V is obtained according to formula (1)cur：
V c u r = σ ( k c u r + 2 ) V m a x T s t o p - T t u r n + 3 - - - ( 1 )
Wherein, TstopFor alarm clock close moment, TturnFor sleep state changing moment, kcurIt is worth for sleep coefficient immediately, VmaxIt is noisy Clock maximum output volume, to wake up coefficient variation, the initial value of σ is 1 to σ；
Setting alarm clock Startup time is Tstart, moment T when at oncecur=TstartWhen, obtain instant using physiologic information monitoring assembly Sleep state Scur, instant volume parameters V is obtained by formula (1)cur, time T when at oncecur＜ TstartWhen, alarm clock is in standby State；
Work as Scur=S0When, it is waking state, kcur=k0=-1；Work as Scur=S1When, it is shallow to sleep state, kcur=k1=0；Work as Scur =S2When, it is deep sleep, kcur=k2=1；
2) physiologic information monitoring assembly persistently obtains ScurValue, and by data buffer with interval time h1, store VcurAnd Scur, and form previous history volume value VhWith VhCorresponding previous historical sleep state Sh, work as Scur≠ShWhen, jump to step 3), S is worked ascur=ShWhen, jump to step 7)；
3) it is T to obtain sleep state changing moment by physiologic information monitoring assemblyturn, delayed according to instant sleep state and data Previous historical sleep coefficient obtaining volume change curve in storage：
V c u r = σV h [ 1 + k ( V m a x - V h ) T s t o p - T t u r n ( T c u r - T t u r n ) ] - - - ( 2 )
Wherein, k is sleep state parameter；If Scur=S0When, then jump to step 5), otherwise carry out following operation：
If Scur=S2, Sh=S1When, then k=k2-k1, substitute into formula (2) and obtain volume change curve：
If Scur=S2, Sh=S0When, then k=k2-k0, substitute into formula (2) and obtain volume change curve；
If Scur=S1, Sh=S0When, then k=k1-k0, substitute into formula (2) and obtain volume change curve；
If Scur=S1, Sh=S2When, then persistently current volume value, i.e. Vcur=VhIf, sleep state continued for constant and duration More than setting value h2, then step 2 is jumped to), otherwise k=k2/ 2, substitute into formula (2) and obtain volume change curve, and further jump Go to step 4)；
4) the volume change curve obtained according to formula (2) is the increasing function of volume, and Vcur≤Vmax, and jump to step 2)；
5)Scur=S0When,
V c u r = σV h [ 1 + k T s t o p - T t u r n ( T s t o p - T c u r ) ] - - - ( 3 )
Work as Sh=S2When, then k=k0-k2, substitute into formula (3) and obtain volume change curve；
If Sh=S1When, then k=k0-k1, substitute into formula (3) and obtain volume change curve, jump to step 6)；
6) according to the subtraction function that the volume change curve that formula (3) is obtained is volume, TthFor the wake-up moment of user's setting：
Work as Tcur≥TthWhen, then jump to step 2)；
Work as Tcur＜ TthAnd VcurDuring ＞ 0, volume is reduced until be zero according to formula (3), close alarm clock afterwards, and by current awake Coefficient variation value σ and currently practical wake-up moment t are stored in data buffer, and with this previous wake-up coefficient variation value σ is formedhWith it is front Secondary actual wake-up moment th, bring formula (4) into and obtain instant on coefficient variation σcur：
σ c u r = Σ h = 1 N [ σ h - T t h - t h T t h - T s t a r t ] N - - - ( 4 )
Wherein, N be reference historical data amount, σcurFor the σ in replacement formula (1), (2), (3)；
If 7) Scur=Sh=S0, then k=k0, substitute into formula (3) and obtain volume change curve, and jump to step 6)；
If Scur=Sh=S1Or Scur=Sh=S2If sleep state continues the constant and time more than setting value h3, then step is jumped to It is rapid 2), otherwise k=k2/ 2, substitute into formula (2) and obtain volume change curve, and jump to step 4).
2. a kind of intelligent alarm clock Self Adaptive Control awakening method according to claim 1, it is characterised in that h1=10S.
3. a kind of intelligent alarm clock Self Adaptive Control awakening method according to claim 1, it is characterised in that h2=10S.
4. a kind of intelligent alarm clock Self Adaptive Control awakening method according to claim 1, it is characterised in that h3=10S.
5. a kind of sleep monitor system for intelligent alarm clock Self Adaptive Control awakening method, including physiologic information monitoring assembly, Characterized in that, physiologic information monitoring assembly includes intelligent sleep monitoring modular and physiology information detecting module, the physiology letter Breath acquisition module adopts piezoelectric film class sensing zone, realizes dynamic and heartbeat the original piezoelectric signal collection of breathing, body；The intelligence is slept Dormancy monitoring modular include controller unit, alarm clock wake module, the calibration amplifying circuit for amplifying original piezoelectric signal for calibration, For calibrate the wireless communication unit of data transfer between amplifying circuit and alarm clock wake module, power supply unit and with controller list The data buffer that unit coordinates, the calibrated amplifying circuit of original piezoelectric signal of physiology information detecting module collection is transmitted after processing To controller unit, the controller unit control alarm clock wake module realizes arousal function.
6. sleep monitor system according to claim 5, it is characterised in that the physiology information detecting module includes being located at Sensing zone on mattress and the holding wire led to calibration amplifying circuit, sensing zone be arranged on mattress first section and with mattress head end Distances Between Neighboring Edge Points are L, 50cm≤L≤70cm, and distance is M between the sensing strap end portion and mattress lateral edges, 2cm≤M≤6cm its head Portion covers viscose sponge apart from bed side 4cm on the sensing zone, the perforation for connecting outside holding wire is opened up on viscose sponge.
7. sleep monitor system according to claim 5, it is characterised in that there is the calibration amplifying circuit three-level to amplify Structure, adjusts the imbalance and gain of amplifying circuit, and adjusts resistance by micro controller unit and realize putting using digital regulation resistance Big circuit gain is adjustable.
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