CN107366872A - A kind of contactless sleep monitor desk lamp - Google Patents
A kind of contactless sleep monitor desk lamp Download PDFInfo
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- CN107366872A CN107366872A CN201710572446.5A CN201710572446A CN107366872A CN 107366872 A CN107366872 A CN 107366872A CN 201710572446 A CN201710572446 A CN 201710572446A CN 107366872 A CN107366872 A CN 107366872A
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- 238000012545 processing Methods 0.000 claims abstract description 17
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S6/00—Lighting devices intended to be free-standing
- F21S6/002—Table lamps, e.g. for ambient lighting
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- 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
- A61B5/1126—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb using a particular sensing technique
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- 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
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- 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/74—Details of notification to user or communication with user or patient ; user input means
- A61B5/742—Details of notification to user or communication with user or patient ; user input means using visual displays
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
- F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
- F21V23/0485—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor sensing the physical interaction between a user and certain areas located on the lighting device, e.g. a touch sensor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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Abstract
The present invention relates to a kind of contactless sleep monitor desk lamp, including lamp body, lamp body is provided with light-emitting component, it is characterized in that, transceiver is additionally provided with lamp body, digital signal processor, controller and at least two indicator lamps, digital signal processor is connected with transceiver and controller, controller is connected with light-emitting component and indicator lamp, transceiver sends radio wave, and receive the echo that the radio wave is reflected by human body, the echo is converted into echo data signal and is sent to digital signal processor, digital signal processor is handled echo data signal to obtain the processing data of reflection sleep state, processing data is sent to controller, controller controls indicator lamp according to processing data.The present invention integrates sleep monitor and normal desk lamp illuminates, and different monitoring results are intuitively shown by the indicator lamp of different colours, and using as snug as a bug in a rug and conveniently, simple in construction, small volume, in light weight, easy to carry and cost are low.
Description
Technical field
The present invention relates to desk lamp technical field, particularly a kind of contactless sleep monitor desk lamp.
Background technology
Sleep is one of most basic physiological function of human body, is closed one's eyes at night in this period of rest, and people can support essence
Store sharp, brain starts store-memory, and cell is regenerated and repaired.The sleep quality of people and the generation of many diseases of the mankind and hair
Open up closely related.The traditional Chinese medical science thinks that each period slept at night, the leading working position of human body is also different, such as 23:
00-1:00 is the human body gallbladder channel most prosperous time, 1:00-3:00 is the human body Liver Channel most prosperous time.If a people can be detected to exist
Which period sleep is bad, then knows that position of this people has gone out health problem.Sleep apnea syndrome is tight
Endanger the common disease of health again, principal pathogenetic crowd be more than 40 years old middle-aged male and the elderly of more than 60 years old.
The performance symptom of sleep apnea syndrome is that apnea or breathing low pass occur in the sleep cycle of daily 7 hours
Gas event more than 30 times, or per hour it is interior generation both respiration disorder events more than 5 times.Apnea refers to
Under sleep state, airless passes through from respiratory tract in continuous 10 seconds.Breathe low pass gas event to refer in a sleep state, tidal air
The respirometric amplitude of flow or chest and abdomen position of stream is less than the 50% of normal value.Therefore, the necessary sleep matter to people
Amount is monitored.
There are many sleep quality monitoring instruments now, there is portable sleep monitoring wrist-watch, user needs to have on this
Sleep monitor wrist-watch is slept, and by the assessment algorithm of complexity, sleep quality is scored after monitored person wakes up.Sleep monitor hand
Table employs the larger piezoceramic transducer of volume, and most people's sleep of thinking to wear a wrist watch has obstacle at heart, influences user
Sleep, it is difficult to form accurate assessment to the sleep quality for being monitored person, and user sleep before can often forget about wearing.Application
Number for CN200610087016.6 Chinese patent applications disclose a kind of monitoring sleep status and respiration disorder event sensing dress
Put, the device includes elastic bed mattress and pressure sensor, and elastic bed mattress includes and is no less than two ventilative vertical partition pads, phase
The adjacent wall of adjacent two subregion pads is drawn close, and heelpiece face is connected with each other, and sensor is the sealing elastomer full of fluid, elastomer
Sensing element equipped with the cavity fluid pressure change of energy induction sealing, sensing element output end passes through wire and data processor connects
Connect.The elastic bed mattress of the device is special manufacture, and different from general mattress, usage comfort and aesthetics are greatly affected, and
And it is bulky, user needs mattress to change, and cost is very high, and most of consumer is beyond affordability and adapts to.
With the development of untouchable detection technique, a kind of sleep quality for detecting people in a non contact fashion, light is developed
Ingeniously it is easy to carry, is easy to use, the contactless sleep monitor portable equipment that cost is low is highly desirable.Many people's customs are sleeping
Indoor placement desk lamp is used to illuminate, if sleep monitor function can be incorporated on desk lamp, makes desk lamp while has illumination and sleep concurrently
Monitoring function, without increasing object in bedroom, the sleeping interior space is not take up, there is compact desk lamp, attractive in appearance, carrying and user
Just the advantages that, such desk lamp is by with wide market prospects.
The content of the invention
In order to solve to be asked existing for current sleep monitor equipment using uncomfortable, inconvenient and complicated cost is high
Topic, the present invention propose a kind of contactless sleep monitor desk lamp, to improve usage comfort and portability, and reduce cost.
To achieve these goals, the invention provides a kind of contactless sleep monitor desk lamp, including lamp body, on lamp body
Provided with light-emitting component, it is characterised in that be additionally provided with transceiver, digital signal processor, controller and at least two on lamp body
Individual indicator lamp, digital signal processor are connected with transceiver and controller, and controller is connected with light-emitting component and indicator lamp,
Transceiver sends radio wave, and receives the echo that the radio wave is reflected by human body, and the echo is changed
Digital signal processor is sent into echo data signal, digital signal processor is handled to obtain instead to echo data signal
The processing data of sleep state is reflected, processing data is sent to controller, controller controls indicator lamp according to processing data.
Contactless sleep monitor desk lamp provided by the invention, integrates sleep monitor and normal desk lamp illuminates, in reality
Now while normal desk lamp illumination, the detection to sleep quality can be realized by the transmitting and reception of radio wave, without
Will and human contact, signal power is very low, harmless, and different monitoring results are straight by the indicator lamp of different colours
Display is seen, using as snug as a bug in a rug and conveniently, the ordinary people without professional knowledge can realize the prison to oneself sleep quality
Survey, be especially suitable for the elderly and use.The present invention is simple in construction, small volume, in light weight, is highly convenient for carrying, cost is low.
Further, contactless sleep monitor desk lamp also includes wireless connection module and client, wireless connection module with
The digital signal processor connection, client are realized by radio connection with wireless connection module and connected to carry out wirelessly
The processing data is sent to client by communication, the digital signal processor by wireless connection module.Sleep quality number
According to the wireless devices such as portable computer can also be sent to, it is convenient for people to check and monitors.For old solitary people, what it worked outside
Children or other friends and families, the long-range sleep state and health status that can be appreciated that old man, supervision effect is played to old man.
Brief description of the drawings
Fig. 1 is the structured flowchart of contactless sleep monitor desk lamp；
Fig. 2 is the structured flowchart of transceiver.
The present invention is described in further detail below in conjunction with the accompanying drawings.
Embodiment
Referring to Fig. 1 and Fig. 2, contactless sleep monitor desk lamp includes lamp body (not shown) and is arranged on lamp body
Light-emitting component 1, indicator lamp, transceiver 3, digital signal processor 6, wireless connection module 7, wireless client 8 and control
Device 9 processed.Digital signal processor 6 is connected with transceiver 3, wireless connection module 7 and controller 9, wireless connection module 7
Realized and connected by radio connection with wireless client 8, to communicate wirelessly.Light-emitting component 1 is used to light, and realizes non-
The normal desk lamp illumination functions of contact sleep monitor desk lamp.Light-emitting component 1 preferentially selects LED, using the LED skills most saved
Art, colour rendering index are more than 90, and anti-dazzle light processing is carried out using diffusing reflection light.Indicator lamp is used to show the sleep quality monitored
Situation, quantity are two or more, and the glow color of each indicator lamp is different, and each indicator lamp connects with controller 9
Connect.In the present embodiment, indicator lamp includes blue lamp 21, green light 22, amber light 23 and red light 24, blue lamp 21, green light 22, the and of amber light 23
Red light 24 sends blue light, green light, sodium yellow and red light respectively.
Transceiver 3 sends radio wave, receives the echo that the radio wave is reflected by human body, and the echo is turned
Change echo data signal into and be sent to digital signal processor 6.Referring to Fig. 2, transceiver 3 includes transmitter 4 and received
Device 5.Transmitter 4 is used to send radio wave, including transmitting antenna 41 and narrow-pulse generator 42.Narrow-pulse generator 42 utilizes
Step-recovery diode and wave filter produce second order Gauss pulse, pulse width 1.2ns-4ns.Transmitting antenna 41 is a kind of fixed
The ultra-wideband antenna of system, launches the radio wave containing ultra-wideband pulse, and radio wave is the burst pulse that width is less than 15ns, arteries and veins
Rush that width is narrower, the frequency spectrum of signal is wider.When radio wave direct projection is to human chest, human body thorax abdomen can be carried out to radio wave
Reflection, the echo reflected can change over time, the period mechanical ripple brought with thorax abdomen respiratory movement and heartbeat
Information.Receiver 5 receives the echo that human body reflects, and converts the echo into echo data signal and is sent to data signal
Processor 6.Receiver 5 includes reception antenna 51, fast time delayses device 52, slow time sampling clock 53 and sampler 54, sampling
Device 54 is connected with fast time delayses device 52, slow time sampling clock 53 and digital signal processor 6.Fast time delayses device 52 uses
The multistage delayer of high speed.Sampler 54 is used to be acquired echo data and change to be converted into data signal, is sent to numeral
Signal processor 6, the high speed FPGA of sampler 54, high-speed comparator and high speed multi-path modulus conversion chip are realized.Receive day
Line 51 and a kind of ultra-wideband antenna, using special wide band high-gain Vivaldi antenna.Reception antenna 51 and transmitting antenna 41
It is arranged in parallel, the deflection between the two is 60 degree.Detectable distance 0.5m-3.5m, transmission power very little, avoids having human body
Evil.Pulse power rated value is 8mw-10mw.Average emitted power 0.05mw-0.2mw.
It is assumed that the distance of transmitting antenna to human body some pip is Dt, and the distance of reception antenna to this pip is
Dr, the fixed reference time delay for receiving transmitting is τoffset, then since being launched burst pulse, to receiving this human body pip
The time delay of the echo of transmitting is that τ is：
Wherein c is the light velocity.
The so different echo-signals for receiving time delay just correspond to the echo of different human-body emitting positions.
When the chest of the radio wave direct projection that transceiver 3 is sent to static human body, the diverse location point of human body
The reflection of skin, inner skeleton, interior tissue to radio wave, influence whether echo that transceiver 3 receives in difference
Changes in amplitude in time delay.One static human body, chest exercise is mainly moved by respiratory cycle property, slight body is dynamic and cardiac cycle
Property move these mechanicalnesses motion cause.Change over time, these mechanicalness athletic meeting bring echo amplitude in different delay
Change.
Sometime, fast time delayses device 52 the delay, τ of the data sampling of sampler 54 be divided into multiple time interval τ 1,
τ 2, τ 3 ... τ N, then N number of sampled value then corresponds to echo corresponding to N number of range points.At each moment, N number of sampled value is obtained, made
For a frame data.Here N number of sample delay is called the fast time.This time interval is that 20ps-30ps is adjustable.During slow time sampling
Clock 53 is the interval timer for producing each sample frame.Each time interval is 25ms-10ms, and corresponding sample rate is 40hz-
100hz.Change over time, sampler 54 can sample an echo amplitude time series X (τ, t), and τ is the fast time,
Different reflective distances is actually corresponded to, t is the slow time, corresponding to sampling instant.X (τ, t) is data signal, as numeral
The echo data signal input of signal processor.Echo data signal can be reflection breathing respectively, body moves and heartbeat
Breath signal, body movement signal and heartbeat signal.
Because the radio signal power used is very low, echo by other radiofrequency signals and can be penetrated during radio transmission
The interference of frequency noise, so digital signal processor 6 is carried out using the method for average filter to the echo data signal received
Noise reduction is filtered, signal is strengthened using cross-correlation method, using wavelet decomposition and filtering method, obtains the multiresolution space-time of time-space domain
Component, from these components, the signal for being not belonging to echo is filtered out, restore recovery ripple signal, then carried out to restoring ripple signal
Processing.
Noise reduction is filtered using the method in slow time and fast time average filter, formula is：
Wherein, N and M is respectively the smoothingtime window length in fast time and slow time.
Because the periodic undulations of skin and upper limbs organ, can cause echo data signal on the fast time caused by breathing
In corresponding transmitting range region, there is obvious cyclically-varying.It is two that other narrow-pulse generator 42, which launches pulse signal,
Rank Gaussian pulse, there is stronger correlation, echo data signal is strengthened using cross-correlation method, processing formula is：
Outside with the change of fast time and slow time, echo has certain change in amplitude and frequency, using wavelet decomposition
And filtering method, the multiresolution space-time component of time-space domain can be obtained, from these components, filters out the letter for being not belonging to echo
Number, it is possible to restore recovery ripple signal.
T is observation time window, Z (t) be Z (N, t) above and below with the maximum fast time centre point of echo amplitude M point it is more
The average value of individual value, ω are wavelet basis function.
It can be breath signal, body movement signal or heartbeat signal etc. to restore ripple signal, according to breath signal, the dynamic letter of body
Number or heartbeat signal each the characteristics of, digital signal processor 6 to restore ripple signal be further processed, can be reflected
The Data Concurrent of sleep state gives controller 9.
Under human body static position, compared with heartbeat or other body movement signals, breath signal is the most strong letter of echo
Number, breath signal is handled, obtained result is even more ideal.The frequency range of breath signal certain limit it
It is interior, if normal adult respiratory rate is 0.2hz-0.66hz in 0.1hz-1hz, normal tranquillization or motion.Breath signal is normal
In the case of, between the adjacent detection time window in units of 30 seconds, change fluctuating will not be especially big, or is difficult to undergo mutation.
According to the above feature of breath signal, the method being combined using wavelet filtering and reflexive infeed mechanism extracts respiratory components.Tool
Body is that the obvious component being in outside respiratory rate scope is filtered out first, and formula is：
H is the upper limit of processing frequency domain.First time computing is using most strong component as respiratory components, in follow-up calculating,
RemainingExtract two most strong components, it is assumed that the probability that the two components occur is P (A) and P (B), then
Calculate posterior probability P (A | B)=P (B | A) * P (A)/P (B), when posterior probability is more than certain statistics thresholding, using A as
The feedback foundation that next Wavelet Component is chosen.This feedback mechanism substantially increases the accurate of Wavelet Component weight respiratory components
Rate.After suitable Wavelet Component is gone in selection, using the method for wavelet inverse transformation, it is possible to restore the time domain waveform of respiratory wave
And calculate corresponding amplitude and frequency.To the time domain waveform of respiratory wave, short time FFT can be carried out and exhaled to extract and calculate
Suction rate, represented with number/per minute；The amplitude of respiratory wave time domain waveform is normalized, it can be deduced that the change of amplitude of respiration
Law.
Digital signal processor 6 is drawn according to data such as the time domain waveform of respiratory wave, amplitude, frequency and amplitude of respiration changes
It is out of question, will appear from problem, general considerations and serious problems this four classes result data, and this four classes result data
Controller 9 is sent to, the indicator lamp that controller 9 starts different colours according to different result data lights.Indicator lamp bag
Include blue lamp 21, green light 22, amber light 23 and red light 24, it is out of question, will appear from this four class processing of problem, general considerations and serious problems
It is blue lamp 21, green light 22, amber light 23 and red light 24 that result data, which corresponds to bright lamp,.User can be very straight according to the color of bright light
The sleep quality of oneself is known in sight.
Wireless connection module 7 establishes wireless connection, numeral letter by the radio connections such as wifi or bluetooth and client 8
Number processor 6 is by wireless connection module 7 by the time domain of the above-mentioned three classes result local obtained after signal transacting, respiratory wave
The data such as waveform, amplitude, frequency and amplitude of respiration change are sent to client 8.It is concerned about the personal and special of user's sleep quality
Industry mechanism can obtains the dormant data of user by client 8, understands sleep quality, the health feelings of user
Condition, and can further do more professional analysis.Client 8 can be mobile phone or computer etc..
Digital signal processor 6 after restoring recovery ripple signal, can use as number of patent application for
Mode identification method described in CN201510151331.X Chinese invention patent application is handled restoring ripple signal, is adopted
Sleep stage and sleep disordered breathing event are detected with the method for the medical goldstandard of pattern-recognition control, is slept according to what is detected
Sleep by stages with sleep disordered breathing event, calculate the number of the apnea of appearance and low respiration case in certain time, according to
The apnea and the quantity of low respiration case number occurred in certain time comes out of question, will appear from problem, general considerations and
This four classes result data of serious problems, this four classes result data is sent to controller 9, controller 9 is according to difference
Result data start different colours indicator lamp light.There is apnea and low breathing thing in digital signal processor 6
The data such as the number of part, time are sent to controller 9, and controller 9 leads to these data and above-mentioned four classes result data
Cross wireless connection module and be sent to client 8.
Lithium battery 10 and USB charging inlets are additionally provided with lamp body, lithium battery 10 is connected with controller 9.Using lithium battery 10
As the power supply of desk lamp, the ease of use of desk lamp is substantially increased, desk lamp can be placed on the ground of any one convenient use
Side.Controller 9 is provided with contact witch, four sections of light modulations, the open and close of desk lamp and light modulation is controlled using touch manner, especially suitable
Conjunction has defective vision or handicapped crowd uses.
The present invention integrates sleep monitor and normal desk lamp illuminates, and while normal desk lamp illumination is realized, passes through nothing
The detection to sleep quality is realized in the transmitting and reception of line electric wave, and no needs and human contact, signal power is very low, to people
Body is harmless, and different monitoring results are intuitively shown by the indicator lamp of different colours, using as snug as a bug in a rug and conveniently, does not have
The ordinary people of professional knowledge can realize the monitoring to oneself sleep quality, be especially suitable for the elderly and use.Sleep quality number
According to the wireless devices such as portable computer can also be sent to, it is convenient for people to check and monitors.For old solitary people, what it worked outside
Children or other friends and families, the long-range sleep state and health status that can be appreciated that old man, supervision effect is played to old man.This
Inventive structure is simple, small volume, in light weight, is highly convenient for carrying, and cost is low, has wide market prospects.
Claims (9)
1. a kind of contactless sleep monitor desk lamp, including lamp body, lamp body are provided with light-emitting component, it is characterised in that on lamp body
Transceiver, digital signal processor, controller and at least two indicator lamps are additionally provided with, digital signal processor is received with wireless
Hair machine is connected with controller, and controller is connected with light-emitting component and indicator lamp, and transceiver sends radio wave, and receives institute
The echo that radio wave is reflected by human body is stated, the echo is converted into echo data signal is sent to Digital Signal Processing
Device, digital signal processor is handled echo data signal to obtain the processing data of reflection sleep state, by processing data
Controller is sent to, controller controls indicator lamp according to processing data.
2. contactless sleep monitor desk lamp according to claim 1, it is characterised in that also including wireless connection module and
Client, wireless connection module are connected with the digital signal processor, and client passes through wireless connection with wireless connection module
Mode realizes connection to communicate wirelessly, and the digital signal processor sends out the processing data by wireless connection module
Give client.
3. contactless sleep monitor desk lamp according to claim 2, it is characterised in that the indicator lamp includes sending out respectively
Go out blue lamp, green light, amber light and the red light of blue light, green light, sodium yellow and red light.
4. contactless sleep monitor desk lamp according to claim 3, it is characterised in that the transceiver includes hair
Emitter and receiver, transmitter include transmitting antenna and narrow-pulse generator, and the receiver includes reception antenna, the fast time prolongs
When device, slow time sampling clock and sampler, sampler and fast time delayses device, slow time sampling clock and the data signal
Processor connects.
5. contactless sleep monitor desk lamp according to claim 4, it is characterised in that the digital signal processor is adopted
Noise reduction is filtered to the echo data signal received with the method for average filter, signal is strengthened using cross-correlation method, used
Wavelet decomposition and filtering method, the multiresolution space-time component of time-space domain is obtained, from these components, filters out and is not belonging to echo
Signal, restore recovery ripple signal, then handle restoring ripple signal.
6. contactless sleep monitor desk lamp according to claim 5, it is characterised in that to restoring at ripple signal
During reason, method that the digital signal processor is combined using wavelet filtering and reflexive infeed mechanism extracts respiratory components, adopts
With the method for wavelet inverse transformation, restore the time domain waveform of respiratory wave and calculate corresponding amplitude and frequency.
7. contactless sleep monitor desk lamp according to claim 6, it is characterised in that the transmitting antenna and reception day
Line is ultra-wideband antenna.
8. contactless sleep monitor desk lamp according to claim 7, it is characterised in that the lamp body is provided with lithium electricity
Pond, lithium battery are connected with controller.
9. contactless sleep monitor desk lamp according to claim 8, it is characterised in that the controller is provided with touch
Switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710572446.5A CN107366872A (en) | 2017-07-13 | 2017-07-13 | A kind of contactless sleep monitor desk lamp |
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| CN201710572446.5A CN107366872A (en) | 2017-07-13 | 2017-07-13 | A kind of contactless sleep monitor desk lamp |
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| CN201710572446.5A Pending CN107366872A (en) | 2017-07-13 | 2017-07-13 | A kind of contactless sleep monitor desk lamp |
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Application publication date: 20171121 |