CN203029237U - Sleep device for monitoring sleep respiration state - Google Patents

Sleep device for monitoring sleep respiration state Download PDF

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Publication number
CN203029237U
CN203029237U CN 201320014243 CN201320014243U CN203029237U CN 203029237 U CN203029237 U CN 203029237U CN 201320014243 CN201320014243 CN 201320014243 CN 201320014243 U CN201320014243 U CN 201320014243U CN 203029237 U CN203029237 U CN 203029237U
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China
Prior art keywords
sleep
monitoring
respiration
display
heartbeat
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Expired - Fee Related
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CN 201320014243
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Chinese (zh)
Inventor
韩明华
衣晓飞
王生水
吴锋涛
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HUNAN NALEI TECHNOLOGY Co Ltd
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HUNAN NALEI TECHNOLOGY Co Ltd
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Abstract

A sleep device for monitoring a sleep respiration state comprises a sleep monitor and a mobile terminal. The sleep monitor includes a power supply of the monitor, a radar signal transceiver and a heartbeat and respiration displayer. The processing signals output by the radar signal transceiver are transmitted into the heartbeat and respiration displayer and subjected to heart rate information processing and respiration information processing in a display processing unit to generate display waveforms, the respiration waveform and the heartbeat waveform are sent into a first display output unit for display, and the heartbeat information and the respiration information are sent out by the display processing unit through a first wireless communication unit. The mobile terminal includes a power supply of the mobile terminal and a sleep analyzer. The mobile terminal receives heartbeat signals and respiration signals sent by the sleep monitor through a second wireless communication unit in the sleep analyzer and sends the heartbeat signals and the respiration signals to the sleep analyzer for sleep analysis. Finally the heartbeat signals and the respiration signals are sent to a second display output unit for display. The sleep device for monitoring the sleep respiration state is simple in structure, small in size, less in radiation, high-accuracy in monitoring results and wide in application.

Description

A kind of hypnotic instrument of monitoring sleep breathing state
Technical field
This utility model relates generally to human body physical sign monitoring field, refers in particular to a kind of hypnotic instrument of monitoring sleep breathing state.
Background technology
Breath signal and electrocardiosignal are the most important vital signss of human body.For the patient that sleep apnea is arranged, the perhaps just baby of birth, and some suffers from the patient of respiratory system disease, heart disease, needs its breathing and Heartbeat State between sleep period of monitoring in real time.In addition, for some the people of sleep disorder is arranged, wish to learn sleep duration every night, be used for the condition of monitoring oneself.
" doppler radar sensor " research in the vital sign monitoring has had long history with application, radar sensor can directly not contact under the situation of human body, know the vital sign parameter signals of human body, this type of technology is often used for rescuing life and searches and rescues detecting devices, as life-detection instrument, through-wall radar.The power of this type of radar is bigger, and investigative range is big, but bigger for the radiation of human body.Existing Radar Technology size is bigger, can't be applied directly to the monitoring of respiration of family or hospital internal.And also not overripened always for the signal processing algorithm of analyzing respiratory frequency and heart rate, the application of Shang Weiyou success.
The utility model content
The technical problems to be solved in the utility model just is: at the technical problem that prior art exists, this utility model provide a kind of simple and compact for structure, with low cost, volume is little, radiation is little, the hypnotic instrument of monitoring result precision height, monitoring sleep breathing state applied widely.
For solving the problems of the technologies described above, this utility model by the following technical solutions:
A kind of hypnotic instrument of monitoring sleep breathing state comprises: sleep monitor device and portable terminal, described sleep monitor device comprise monitor power supply, radar signal transceiver and heart beating breathing display;
Described radar signal transceiver comprises voltage controlled oscillator, transmitting antenna, reception antenna, frequency mixer and baseband chip, and described voltage controlled oscillator is used for producing pulse signal and is sent to transmitting antenna, and described transmitting antenna is used for sending signal to monitoring objective; Described reception antenna is used for receiving the echo that monitoring objective reflects and sends into frequency mixer, and the pulse signal that produces with voltage controlled oscillator carries out mixing then; Described baseband chip is used for the signal after the mixing is carried out exporting processing signals behind respiratory frequency calculating, heart rate calculating and the apnea monitoring;
Described heart beating is breathed display and is comprised that first wireless communication unit, display processing unit, first show output unit, the processing signals of described baseband chip output enters heart beating and breathes display, the processing of carrying out heart rate information and respiration information in described display processing unit produces display waveform, breathing and heartbeat waveform enter in the described first demonstration output unit and show that described display processing unit is used for heart beating and respiration information are outwards sent by first wireless communication unit;
Described portable terminal comprises portable terminal power supply and sleep analysis device, described sleep analysis device comprises that second wireless communication unit, sleep analysis unit and second show output unit, described portable terminal receives breathing and the heartbeat signal that the sleep monitor device sends by second wireless communication unit, and will breathe and heartbeat signal is sent into the sleep analysis unit and carried out sleep analysis, enter second at last and show that output unit shows.
As further improvement of the utility model:
Described first wireless communication unit and second wireless communication unit adopt the WIFI unit.
Described portable terminal adopts smart mobile phone or PAD.
This utility model also comprises network interface, inserts the Internet by network interface.
The LNA of described reception antenna through linking to each other successively, link to each other with frequency mixer by behind second amplifier and the two-stage amplifier that the 3rd amplifier is formed.
Described voltage controlled oscillator links to each other with transmitting antenna through first amplifier.
Compared with prior art, advantage of the present utility model is: the hypnotic instrument of this utility model monitoring sleep breathing state, simple and compact for structure, with low cost, volume is little, radiation is little, monitoring result precision height, applied widely, it adopts breathing and the heartbeat message of radar sensor monitoring people in the sleep period, and carry out asphyxia analysis and the piecewise analysis of when sleep, the health status of people when the sleep monitored; And this utility model does not in use have directly with human body and contacts, and is accepted by patient and baby and uses easilier.
Description of drawings
Fig. 1 is structural principle sketch map of the present utility model.
Fig. 2 is the schematic flow sheet of the frequency domain rate algorithm for estimating that adopts in this utility model baseband chip.
Fig. 3 is the schematic flow sheet of the time domain rate algorithm for estimating that adopts in this utility model baseband chip.
Fig. 4 is the schematic flow sheet of the regular respiratory sex determination method that adopts in this utility model baseband chip.
Fig. 5 is the schematic flow sheet of the sleep state analytical method that adopts in this utility model sleep analysis unit.
The specific embodiment
Below with reference to Figure of description and specific embodiment this utility model is described in further details.
As shown in Figure 1, the hypnotic instrument of monitoring sleep breathing state of the present utility model comprises sleep monitor device 1 and portable terminal 2; Sleep monitor device 1 comprises monitor power supply 5, radar signal transceiver 3 and heart beating breathing display 4, and radar signal transceiver 3 comprises voltage controlled oscillator (VCO) 6, first amplifier 7, transmitting antenna 8, reception antenna 9, LNA 10, second amplifier 11, the 3rd amplifier 12, frequency mixer 13 and baseband chip 14.Voltage controlled oscillator 6 is used for producing the 5GHz pulse signal, by being sent to transmitting antenna 8 behind first amplifier 7, transmitting antenna 8 is used for sending radar signal to monitoring objective, reception antenna 9 is used for receiving the echo that monitoring objective reflects, and through carrying out the two-stage amplification by second amplifier 11 and the 3rd amplifier 12 behind the LNA 10 removal noises, send into frequency mixer 13 then, the pulse signal that produces with voltage controlled oscillator 6 carries out mixing.Signal after the mixing enters baseband chip 14 and removes noise, breath signal detection and heartbeat signal detection, and carries out respiratory frequency and calculate, and heart rate calculates and apnea monitoring.
Heart beating is breathed display 4 and is comprised that first wireless communication unit 17, display processing unit 16, first show output unit 15.The signal of baseband chip 14 outputs enters heart beating and breathes display 4, and the processing of carrying out heart rate information and respiration information in display processing unit 16 produces display waveform, and breathing and heartbeat waveform enter first and show that output unit 15 shows.Simultaneously, display processing unit 16 can outwards send heart beating and respiration information by first wireless communication unit 17.
Portable terminal 2 comprises portable terminal power supply 21 and sleep analysis device 22, and portable terminal power supply 21 is 22 power supplies of sleep analysis device.Sleep analysis device 22 comprises that second wireless communication unit 20, sleep analysis unit 19 and second show output unit 18, portable terminal 2 receives breathing and the heartbeat signal that sleep monitor device 1 sends by second wireless communication unit 20, and will breathe and heartbeat signal is sent into sleep analysis unit 19 and carried out sleep analysis, enter second at last and show that output unit 18 shows.
In the present embodiment, first wireless communication unit 17 and second wireless communication unit 20 adopt the WIFI unit.
In the present embodiment, portable terminal 2 adopts smart mobile phone or PAD.
In the present embodiment, radar signal transceiver 3 adopts small-sized pcb board design, and each building block is integrated on the small-sized pcb board.
In the present embodiment, heart beating is breathed display 4 and is adopted small display screen, to reach the little effect of volume.
Further, hypnotic instrument of the present utility model also is provided with network interface, inserts the Internet by network interface, and the data when hypnotic instrument worked send to the server at specialist system place.
The workflow of this utility model hypnotic instrument is: 1. start hypnotic instrument, hypnotic instrument begins to search automatically monitoring objective.2. behind the locking monitoring objective, carry out respiratory frequency calculating and heart rate and calculate, and record respiratory curve and heart rate curve, launch heartbeat message and the respiration information that obtains by WIFI, and show respiratory frequency and palmic rates by demonstration output unit 18.3. start the hypnotic instrument application software on the portable terminal 2, connect sleep monitor device 1 by WIFI automatically, and show heart rate and respiratory frequency information.4. the sleep analysis on the flicking portable terminal 2 provides sleep state information, comprise sleeping constantly, wake up constantly, sleep duration, the shallow duration of sleeping, sound sleep duration, sleep apnea number of times and average heart rate and average respiratory rate.5. the setting on the flicking portable terminal 2 can arrange the hypnotic instrument parameter, can start or close hypnotic instrument.6. " uploading data to specialist system " on the flicking portable terminal 2 can send to data the server at specialist system place by the Internet.
Hypnotic instrument of the present utility model can be used for the sleep-respiratory of family and monitor in real time, comprise baby monitor, the patient's of heart disease or respiratory system disease monitoring of respiration arranged, anergy old man's monitoring of respiration, and when serious respiratory disorder takes place, report to the police; This utility model also can be used for the ordinary people or have the people of sleep disorder to carry out sleep monitor, is used for duration and the sleep quality of monitoring sleep; This utility model can also be used for the sleep-respiratory monitoring of the block type sleep apnea patient in the hospital, heart patient's sleep-respiratory monitoring, and other need carry out the occasion of monitoring of respiration.This utility model adopts contactless mode to carry out monitoring of respiration, satisfies patient and feels comfortable, and not bound hommization demand has very strong practical value.
As shown in Figure 2, be the frequency domain rate algorithm for estimating of carrying out in this utility model baseband chip 14, be used at frequency-domain calculations respiratory frequency and heart rate.The step of this frequency domain rate algorithm for estimating is as follows:
1. get M the sample (M=2880 or other) of data after demodulating X; This M sample has comprised non-respiratory movement and other noises and interfering signal;
2. all intervals with all the non-breath signals among the data X and interfering signal are made as zero;
3. each number among the data X is deducted the average of X;
4. the respiratory frequency in the frequency domain is following determines:
A) all samples for X carry out Fourier transform (DFT), do not make window, zero padding and interpolation algorithm;
B) the frequency domain rate estimates it is the frequency that has maximum amplitude among the X.In some implementation, it can be the frequency of a maximum amplitude between minimum respiratory frequency 6 and maximum breathing frequency 48.
As shown in Figure 3, be the time domain rate algorithm for estimating of the respiratory frequency carried out in this utility model baseband chip 14.The step of this time domain rate algorithm for estimating is as follows:
1. get M the sample (M=2880 or other) of data after demodulating X; This M sample has comprised non-respiratory movement and other noises and interfering signal;
2. all intervals with all the non-breath signals among the data X and interfering signal are made as zero;
3. each number among the data X is deducted the average of X;
4. the rate of time domain is estimated as follows definite:
A) make u iBe the index of sample, make x [ u i]≤0 and x[u I+1] 0 (zero crossing);
B) make a iBe [ u i, u I+1Interval interior maximum amplitude;
C) make A=max(a i), then there are three different several i, j, k makes a i0.1A, a j0.1A, a k0.1A;
D) if in step c), there is not A, then can't determine respiratory frequency;
E) otherwise remember that breathing cycle 1 is interval [ u i, u I+1, g i=1 satisfies following condition:
i.a i>0.1A
Ii.y (n)=1 is for u i<n<u I+1
Iii.z (n)=1 is for u i<n<u I+1
Wherein y (n) and z (n) are respectively motion window and crop window;
F) otherwise, g i=0;
G) make that λ is g iThe maximum number of=1 continuous breathing;
If respiratory frequency can't be determined so in λ<2, otherwise respiratory frequency is (60 * 100 * λ)/((u I+ λ-u i).
Hypnotic instrument of the present utility model all carries out according to the estimation of frequency domain rate and the time domain rate algorithm for estimating of Fig. 2 and Fig. 3 the estimation of respiratory frequency and the estimation of heart rate, shows that at last the respiratory frequency that provides is the average that the frequency domain respiratory frequency is estimated and the time domain respiratory frequency is estimated; If the frequency domain valuation of respiratory frequency and time domain valuation difference then provide the information of reporting an error greater than 4; Otherwise show that the frequency domain valuation is as respiratory frequency; The account form of heart rate is: if the difference that the frequency domain of heart rate is estimated and time domain is estimated then provides the information of reporting an error greater than 12; Otherwise with the frequency domain valuation of heart rate as heart rate.
As shown in Figure 4, the regular respiratory sex determination method for carrying out in this utility model baseband chip.This regular respiratory sex determination method is made up of following step:
1. get M breath signal, the M value is 50~100; Calculate and breathe-breathe average and standard variance at interval;
2. calculate average and the standard variance of respiratory depth of each breathing of M breath signal;
3. calculate and breathe-breathe covariance C1 at interval; And the covariance C2 of calculating respiratory depth;
4. if C1<threshold value and C2<threshold value are then judged to breathe to be the rule breathing;
5. if condition 4 is false, then be judged to be irregular breathing; The FFT conversion is carried out at breathing-breathing interval and respiratory depth, checked in the waveform whether have periodical element;
6. do not exist periodically if breathe, it is individual to 2M then to increase the sample of breathing again, returns step 2 and handles; If 2M pattern detection then is judged to be the breathing aperiodicity less than periodically, calculates the average respiratory rate in the gamut, and calculate the average of apnea;
7. if the cycle is regular, calculate weekly the asphyxia length of phase, and average, draw weekly the average asphyxia length of phase;
8. the data of calculating are shown.If regular respiratory provides the indication of " regular respiratory-X time breaths/min ", if irregular respiration, indication " periodically-irregular ".If there is asphyxia, then indication " average asphyxia length Y "; If irregular respiration, then indication " Z asphyxia/minute ".
As shown in Figure 5, be the sleep state parser in this utility model sleep analysis unit 19.The step of sleep state parser is as follows:
Time interval t, t+delta_t] in, in meeting the following conditions one:
A) detect less than cardiopulmonary exercise;
B) non-cardiopulmonary exercise signal is greater than the cardiopulmonary exercise signal;
If 2. satisfy in the step 1 condition a) or b), then labelling [t, t+delta_t] is the clear-headed period;
Otherwise, in time interval [ t, t+delta_t ], meet the following conditions:
A) average cardiopulmonary exercise signal is greater than non-cardiopulmonary exercise signal;
B) non-cardiopulmonary exercise signal number of times is greater than 1 time;
If 4. satisfy in the step 3 condition a) and condition b), then labelling [t, t+delta_t] is the shallow period of sleeping;
5. in time interval [ t, t+delta_t ], satisfy following condition: regular respiratory and do not have serious asphyxia;
6. if satisfy the condition in the step 5, then labelling [t, t+delta_t] is the sound sleep period; Otherwise report to the police;
7.t=t+delta_t; Enter step 1;
If the continuous clear-headed period surpasses 10, then represent the end of one section sleep.The result that sleeps statistics, algorithm finishes.
Below only be preferred implementation of the present utility model, protection domain of the present utility model also not only is confined to above-described embodiment, and all technical schemes that belongs under this utility model thinking all belong to protection domain of the present utility model.Should be pointed out that for those skilled in the art the some improvements and modifications not breaking away under this utility model principle prerequisite should be considered as protection domain of the present utility model.

Claims (6)

1. the hypnotic instrument of a monitoring sleep breathing state, it is characterized in that, comprise: sleep monitor device (1) and portable terminal (2), described sleep monitor device (1) comprise monitor power supply (5), radar signal transceiver (3) and heart beating breathing display (4);
Described radar signal transceiver (3) comprises voltage controlled oscillator (6), transmitting antenna (8), reception antenna (9), frequency mixer (13) and baseband chip (14), described voltage controlled oscillator (6) is used for producing pulse signal and is sent to transmitting antenna (8), and described transmitting antenna (8) is used for sending signal to monitoring objective; Described reception antenna (9) is used for receiving the echo that monitoring objective reflects and sends into frequency mixer (13), and the pulse signal that produces with voltage controlled oscillator (6) carries out mixing then; Described baseband chip (14) is used for the signal after the mixing is carried out exporting processing signals behind respiratory frequency calculating, heart rate calculating and the apnea monitoring;
Described heart beating is breathed display (4) and is comprised first wireless communication unit (17), display processing unit (16), first shows output unit (15), the processing signals of described baseband chip (14) output enters heart beating and breathes display (4), the processing of carrying out heart rate information and respiration information in described display processing unit (16) produces display waveform, breathing and heartbeat waveform enter in the described first demonstration output unit (15) and show, described display processing unit (16) is used for heart beating and respiration information are outwards sent by first wireless communication unit (17);
Described portable terminal (2) comprises portable terminal power supply (21) and sleep analysis device (22), described sleep analysis device (22) comprises that second wireless communication unit (20), sleep analysis unit (19) and second show output unit (18), described portable terminal (2) receives breathing and the heartbeat signal that sleep monitor device (1) sends by second wireless communication unit (20), and will breathe and heartbeat signal is sent into sleep analysis unit (19) and carried out sleep analysis, enter second at last and show that output unit (18) shows.
2. the hypnotic instrument of monitoring sleep breathing state according to claim 1 is characterized in that, described first wireless communication unit (17) and second wireless communication unit (20) adopt the WIFI unit.
3. the hypnotic instrument of monitoring sleep breathing state according to claim 1 is characterized in that, described portable terminal (2) adopts smart mobile phone or PAD.
4. the hypnotic instrument of monitoring sleep breathing state according to claim 1 is characterized in that, also comprises network interface, inserts the Internet by network interface.
5. the hypnotic instrument of monitoring sleep breathing state according to claim 1, it is characterized in that, the LNA (10) of described reception antenna (9) through linking to each other successively, link to each other with frequency mixer (13) by behind second amplifier (11) and the two-stage amplifier that the 3rd amplifier (12) is formed.
6. the hypnotic instrument of monitoring sleep breathing state according to claim 1 is characterized in that, described voltage controlled oscillator (6) links to each other with transmitting antenna (8) through first amplifier (7).
CN 201320014243 2013-01-11 2013-01-11 Sleep device for monitoring sleep respiration state Expired - Fee Related CN203029237U (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103006225A (en) * 2013-01-11 2013-04-03 湖南纳雷科技有限公司 Sleep monitoring instrument capable of monitoring breathing state in sleep
CN106037655A (en) * 2016-06-17 2016-10-26 美的集团股份有限公司 Separation and cycle calculation method and device of sleep cycle signals
CN106264509A (en) * 2016-08-16 2017-01-04 深圳欧德蒙科技有限公司 A kind of heart rate measurement device and method
CN106913335A (en) * 2017-03-07 2017-07-04 南京工业职业技术学院 A kind of detection method of apnea detection system
WO2017117739A1 (en) * 2016-01-06 2017-07-13 深圳市赛亿科技开发有限公司 Sleep monitoring system
CN107049283A (en) * 2017-06-02 2017-08-18 南京理工大学 A kind of sleep apnea detection method based on adaptive residual error comparison algorithm
CN108784669A (en) * 2018-06-08 2018-11-13 张洪平 A kind of contactless heartbeat and disordered breathing monitor system and method
CN108852313A (en) * 2018-06-08 2018-11-23 中国科学院计算技术研究所 Non-interference Intellisense method and system based on radar
CN110150926A (en) * 2019-07-09 2019-08-23 京东方科技集团股份有限公司 One kind is anti-to kick quilt device and its application method

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103006225A (en) * 2013-01-11 2013-04-03 湖南纳雷科技有限公司 Sleep monitoring instrument capable of monitoring breathing state in sleep
CN108289619A (en) * 2016-01-06 2018-07-17 深圳市赛亿科技开发有限公司 Sleep monitor system
WO2017117739A1 (en) * 2016-01-06 2017-07-13 深圳市赛亿科技开发有限公司 Sleep monitoring system
CN106037655A (en) * 2016-06-17 2016-10-26 美的集团股份有限公司 Separation and cycle calculation method and device of sleep cycle signals
CN106264509A (en) * 2016-08-16 2017-01-04 深圳欧德蒙科技有限公司 A kind of heart rate measurement device and method
CN106913335A (en) * 2017-03-07 2017-07-04 南京工业职业技术学院 A kind of detection method of apnea detection system
CN106913335B (en) * 2017-03-07 2020-09-11 南京工业职业技术学院 Apnea detection system
CN107049283A (en) * 2017-06-02 2017-08-18 南京理工大学 A kind of sleep apnea detection method based on adaptive residual error comparison algorithm
CN107049283B (en) * 2017-06-02 2020-09-18 南京理工大学 Sleep apnea detection system based on self-adaptive residual comparison algorithm
CN108784669A (en) * 2018-06-08 2018-11-13 张洪平 A kind of contactless heartbeat and disordered breathing monitor system and method
CN108852313A (en) * 2018-06-08 2018-11-23 中国科学院计算技术研究所 Non-interference Intellisense method and system based on radar
CN110150926A (en) * 2019-07-09 2019-08-23 京东方科技集团股份有限公司 One kind is anti-to kick quilt device and its application method
CN110150926B (en) * 2019-07-09 2021-01-22 京东方科技集团股份有限公司 Quilt kicking prevention device and using method thereof

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Granted publication date: 20130703

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