CN203619551U - Wearable electroencephalogram sleep quality assessment instrument - Google Patents
Wearable electroencephalogram sleep quality assessment instrument Download PDFInfo
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- CN203619551U CN203619551U CN201320861559.4U CN201320861559U CN203619551U CN 203619551 U CN203619551 U CN 203619551U CN 201320861559 U CN201320861559 U CN 201320861559U CN 203619551 U CN203619551 U CN 203619551U
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Abstract
The utility model discloses a wearable electroencephalogram sleep quality assessment instrument. A virtual screen is generated in a position 2 meters away from eyes of a person through a micro-projector, and video stimulation signals are provided for sleep quality assessment. Audio signals are output through an audio interface, and audio stimulation signals such as background music and training guide languages are provided for the sleep quality assessment. Through rotating, stretching and contracting an adjusting rod, an electroencephalogram electrode is arranged on the forehead of a brain. The electroencephalogram electrode sends collected brain waves into an embedding type processing unit. The embedding type processing unit is used for conducting spectral analysis on the brain wave signals. Delta wave components reflecting the sleeping state of the brain is taken out. Neural feedback is conducted on sleep quality assessment, and data is sent to a man-machine interactive device through a wireless data interface. According to the wearable electroencephalogram waking state detector, the brain waves are used as feedback signals of the sleep quality assessment, so that the efficiency and the reliability of the sleep quality assessment are greatly improved. Through a wearable computer, a lot of unnecessary interference factors are eliminated, and a training environment is improved.
Description
Technical field
This utility model belongs to psychology biofeedback technology field, relates to a kind of Wearable brain electrosleep quality evaluation instrument.
Background technology
Cerebral nerve can produce faint electric field fluctuation when movable, in the time that ten hundreds of neural whiles is movable, electric field will produce metrical fluctuation.From scalp, just can measure this fluctuation, Here it is brain wave.Brain wave has following feature: it is the bioelectrical signals of the spontaneous generation of central nervous system; It is stochastic signal, has non-stationary and non-Gaussian feature; Can reflect neural state and variation.Therefore, gather brain wave, by analyzing physiology and the mental status that can monitor people.
Non-intervention type brain wave acquisition technology more complicated, because the signal collecting is the small-signal of microvolt level, is easy to be subject to the interference of noise, amplify accurately to signal the processing such as filtering.For the electricity that makes to require mental skill reflects physiology and the mental status of human body, also to carry out spectrum analysis to signal.In the world brain wave is pressed to the different classification of the repetition rhythm and pace of moving things of ripple, unified is following four frequency ranges:
α ripple: 8--13Hz, amplitude, in 50 μ V left and right, mainly reflects that people is in lax and the clear-headed state of closing one's eyes.
β ripple: 13--30Hz, amplitude, at 5-20 μ V, mainly reflects that people is in attention and concentrates or nervous state.
θ ripple: 4--8Hz, amplitude, at 10-50 μ V, mainly reflects that people is in gently sleeping under state, when sleepy, when emotion is constrained.
δ ripple: 1--3.5Hz, amplitude mainly reflects the state of people in deep sleep or has serious OBD at 20-200 μ V.
The quality of sleep quality, directly affects people's physiological health and mental health.Whether the δ wave component reflection people of brain electricity the state in deep sleep, whether has high-quality sleep.Only have the assessment of sleep quality being carried out to science, could take measures targetedly, improve sleep quality, improve people's physiological health and mental health.
In the past, brain wave acquisition treatment facility was bulky, and the collection of EEG signals now, processes, and the work such as spectrum analysis can be completed by single-chip, for portable brain electric test equipment provides technical foundation.Brain electrosleep quality assessment arrangement produces thus.
Existing brain electrosleep quality assessment arrangement, audio frequency and video stimulus signal is many to be provided by common computer or audio & video equipment.Volume is large, uses inconvenient.To the assessment of Evaluated effect, many according to people's oneself impression or indirectly, simple some physiological parameters, as skin electricity, heart rate etc. reflect.
On the other hand, along with the development of semiconductor technology, computer volume is more and more less, and power consumption is more and more lower.And adopt virtual image technology, can produce miniscope.The development of these technology has promoted the development of Wearable computer.Wearable computer can be made glasses, also can make wrist-watch or be made in clothes.The spectacle computer of selling in the market, has google, and the product of the companies such as Recon, is mainly used in entertainment field, and price is higher, and the supply of goods is few, is not easy to secondary development.
Summary of the invention
This utility model be exactly in order to solve above-mentioned the problems of the prior art, and provide a kind of by Wearable computer the Wearable brain electrosleep quality evaluation instrument for brain electrosleep quality evaluation.
This utility model is realized by following technical scheme:
Wearable brain electrosleep quality evaluation instrument of the present utility model, comprises the mirror holder with two mirror shanks of a picture frame and left and right; In two lens holes of picture frame, two lens are installed symmetrically, the front end of first mirror shank is provided with micro projector; Micro projector is connected with the embedded processing unit that is arranged on mirror shank, embedded processing unit, as central processing unit, is connected with electrode for encephalograms, reference electrode, audio interface, wireless data interface, key-press module and power module with preamplifier around; Key-press module is arranged on the second mirror shank, and is provided with three buttons, be respectively advance key, key and Pause key fall back; Reference electrode is positioned at the place of lifting lug portion of first mirror shank; Inside, embedded processing unit is provided with filter amplifier, AD acquisition module and spectrum analysis module; Electrode for encephalograms is sent the eeg signal of collection into embedded processing unit, embedded processing unit, through spectrum analysis, takes out the dormant δ wave component of reflection brain, and to sleep quality, neural feedback is carried out in assessment, and data are passed through to wireless data interface, be sent on human-computer interaction device.
On first mirror shank, be provided with outstanding rotating shaft, be connected with rotation adjusting rod on rotating shaft, rotation adjusting rod can rotate around rotating shaft, rotate the telescopic advance lever that is internally connected with of adjusting rod, telescopic advance lever stretches out from the upper end of rotation adjusting rod, and top curves inwardly, and connects electrode for encephalograms.
Micro projector is connected to the front end of first mirror shank in hinged mode.
Advantage and the good effect that the utlity model has are:
Wearable brain electrosleep quality evaluation instrument of the present utility model, make to require mental skill electricity as the feedback signal of sleep quality assessment, detect the δ ripple of trainee's brain electricity, carry out biofeedback, Evaluated effect is carried out to the evaluation of science, greatly improved efficiency and the reliability of sleep quality assessment.Use Wearable computer, for sleep quality assessment provides the stimulus signal of Audio and Video and whole training process is controlled, process in time, store and transmit data, easy to use.This sleep quality assessment instrument cost is low, and is convenient to secondary development.
Accompanying drawing explanation
Fig. 1 is the structural representation of Wearable brain electrosleep quality evaluation instrument of the present utility model;
Fig. 2 is the structural representation of first mirror shank of the present utility model;
Fig. 3 is the schematic block circuit diagram of Wearable brain electrosleep quality evaluation instrument of the present utility model;
Fig. 4 is the oscillogram of the ripple of four kinds of different frequency ranges of brain electricity;
1: picture frame 2: first mirror shank
3: the second mirror shanks 4: lens
5: telescopic advance lever 6: electrode for encephalograms
7: reference electrode 8: micro projector
9: power module 10: key advances
11: key 12 falls back: Pause key
13: rotation adjusting rod 14: embedded processing unit
15: audio interface 16: wireless data interface
17: key-press module.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, Wearable brain electrosleep quality evaluation instrument of the present utility model is described in detail, in accompanying drawing, parts same as the prior art have adopted identical label.Following each embodiment is only not limitation of the utility model for this utility model is described.
Fig. 1 is the structural representation of Wearable brain electrosleep quality evaluation instrument of the present utility model; Fig. 2 is the structural representation of first mirror shank of the present utility model.As depicted in figs. 1 and 2, Wearable brain electrosleep quality evaluation instrument of the present utility model, comprises the mirror holder with two mirror shanks of a picture frame 1 and left and right.In two lens holes of picture frame 1, two lens 4 are installed symmetrically.
The front end of first mirror shank 2 is provided with micro projector 8, and micro projector 8 is connected to the front end of first mirror shank 2 in hinged mode.The first half of first mirror shank 2 is provided with embedded processing unit 14.On first mirror shank 2, the rear of embedded processing unit 14 is provided with outstanding rotating shaft, on rotating shaft, be connected with rotation adjusting rod 13, rotation adjusting rod 13 can rotate around rotating shaft, rotation adjusting rod 13 be internally connected with telescopic advance lever 5, telescopic advance lever 5 stretches out from the upper end of rotation adjusting rod 13, top curves inwardly, and connects electrode for encephalograms 6.The sample rate of electrode for encephalograms is 512Hz, and frequency acquisition scope is between 3Hz-100Hz.First mirror shank 2 rear ends lifting lug portion place be provided with reference electrode 7.
The first half of the second mirror shank 3 is provided with key-press module 17, is provided with three buttons in key-press module, be respectively advance key 10, key 11 and Pause key 12 fall back.The rear of key-press module 17 is provided with power module 9.
The downside of first mirror shank 2 and the second mirror shank 3 is provided with audio interface 15.The downside of first mirror shank 2 is also provided with wireless data interface 16.
Fig. 3 is the schematic block circuit diagram of Wearable brain electrosleep quality evaluation instrument of the present utility model.As shown in Figure 3, micro projector 8 is connected with embedded processing unit 14, embedded processing unit 14 is as central processing unit, around respectively with electrode for encephalograms 6, reference electrode 7, audio interface 15, wireless data interface 16, key-press module 17 and power module 9 with preamplifier.Power module 9 provides power supply for whole circuit.Inside, embedded processing unit is provided with filter amplifier, AD acquisition module and spectrum analysis module.
The principle of this utility model institute foundation is as follows: people's the different mental status can cause multi-form neural activity, thereby sends different brain waves, just can measure this brain wave, and convert thereof into the signal of telecommunication by sensor.This is just as recording a first orchestral music with mobile phone, every kind of musical instrument all produces the sound of oneself, and these are added together and have just produced orchestral music.Mobile phone can be used for recording these sound waves, and they are changed into electronic signal.
For the electricity that makes to require mental skill reflects physiology and the mental status of human body, also to carry out spectrum analysis to signal.As shown in Figure 4, in the world brain wave is pressed to the different classification of the repetition rhythm and pace of moving things of ripple, unified is following four frequency ranges:
α ripple: 8--13Hz, amplitude, in 50 μ V left and right, mainly reflects that people is in lax and the clear-headed state of closing one's eyes.
β ripple: 13--30Hz, amplitude, at 5-20 μ V, mainly reflects that people is in attention and concentrates or nervous state.
θ ripple: 4--8Hz, amplitude, at 10-50 μ V, mainly reflects that people is in gently sleeping under state, when sleepy, when emotion is constrained.
δ ripple: 1--3.5Hz, amplitude mainly reflects the state of people in deep sleep or has serious OBD at 20-200 μ V.
The quality of sleep quality, directly affects people's physiological health and mental health.Whether the δ wave component reflection people of brain electricity the state in deep sleep, whether has high-quality sleep.Only have the assessment of sleep quality being carried out to science, could take measures targetedly, improve sleep quality, improve people's physiological health and mental health.In order not affect sleep, require sleep quality assessment instrument volume little, low in energy consumption, wirelessly transmitting data, at a distance storage and deal with data.Portable sleep quality evaluation instrument of the present utility model can meet these requirements well.
The work process of Wearable brain electrosleep quality evaluation instrument of the present utility model is as follows:
By rotation adjusting rod 13 and telescopic advance lever 5, electrode for encephalograms 6 is placed in to the frons of brain.Gather the signal of telecommunication through amplifying with the electrode for encephalograms 6 of preamplifier, and compare with the electric wave signal that reference electrode 7 sends, the signal of telecommunication that belongs to brain wave is sent into embedded processing unit 14, embedded processing unit carries out filter and amplification again to eeg signal, and carry out AD conversion and spectrum analysis, take out the dormant δ wave component of reflection brain, be that frequency is at 1--3.5Hz, amplitude is at the waveform component of 20-200 μ V, to sleep quality, neural feedback is carried out in assessment, and data are passed through to wireless data interface 16, be sent on human-computer interaction device.This utility model makes to require mental skill electricity as the feedback signal of sleep quality assessment, has greatly improved efficiency and the reliability of sleep quality assessment.Use Wearable computer, got rid of a lot of unnecessary interference factors, improved training environment.
Electrode for encephalograms of the present utility model can directly connect stem grafting contact, when the wet sensor of using uses, need to go up conducting resinl unlike traditional medicine.Product entirety energy consumption is low, and 3.3 volts of lower maximum consumption of power supply are 15 milliamperes, are applicable to the battery powered equipment of portable consumer product.
Claims (3)
1. a Wearable brain electrosleep quality evaluation instrument, comprises the mirror holder with two mirror shanks of a picture frame (1) and left and right; It is characterized in that: in two lens holes of picture frame (1), two lens (4) are installed symmetrically, the front end of first mirror shank (2) is provided with micro projector (8); Micro projector (8) is connected with the embedded processing unit (14) that is arranged on mirror shank, embedded processing unit (14), as central processing unit, is connected with electrode for encephalograms (6), reference electrode (7), audio interface (15), wireless data interface (16), key-press module (17) and power module (9) with preamplifier around; Key-press module is arranged on the second mirror shank (3), and is provided with three buttons, is respectively advance key (10), the key that falls back (11) and Pause key (12); Reference electrode (7) is positioned at the place of lifting lug portion of first mirror shank; Inside, embedded processing unit (14) is provided with filter amplifier, AD acquisition module and spectrum analysis module; Electrode for encephalograms (6) is sent the eeg signal of collection into embedded processing unit (14), embedded processing unit (14) is through spectrum analysis, take out the dormant δ wave component of reflection brain, to sleep quality, neural feedback is carried out in assessment, and data are passed through to wireless data interface (16), be sent on human-computer interaction device.
2. Wearable brain electrosleep quality evaluation instrument according to claim 1, it is characterized in that: on first mirror shank, be provided with outstanding rotating shaft, on rotating shaft, be connected with rotation adjusting rod (13), rotation adjusting rod (13) can rotate around rotating shaft, rotation adjusting rod (13) be internally connected with telescopic advance lever (5), telescopic advance lever (5) stretches out from the upper end of rotation adjusting rod (13), and top curves inwardly, and connects electrode for encephalograms (6).
3. Wearable brain electrosleep quality evaluation instrument according to claim 1, is characterized in that: micro projector (8) is connected to the front end of first mirror shank (2) in hinged mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320861559.4U CN203619551U (en) | 2013-12-24 | 2013-12-24 | Wearable electroencephalogram sleep quality assessment instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320861559.4U CN203619551U (en) | 2013-12-24 | 2013-12-24 | Wearable electroencephalogram sleep quality assessment instrument |
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| Publication Number | Publication Date |
|---|---|
| CN203619551U true CN203619551U (en) | 2014-06-04 |
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|---|---|---|---|
| CN201320861559.4U Expired - Fee Related CN203619551U (en) | 2013-12-24 | 2013-12-24 | Wearable electroencephalogram sleep quality assessment instrument |
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| CN (1) | CN203619551U (en) |
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2013
- 2013-12-24 CN CN201320861559.4U patent/CN203619551U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20141224 |
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| EXPY | Termination of patent right or utility model |