CN108272438B - Sound of snoring detection method, apparatus and system - Google Patents
Sound of snoring detection method, apparatus and system Download PDFInfo
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- CN108272438B CN108272438B CN201711474841.6A CN201711474841A CN108272438B CN 108272438 B CN108272438 B CN 108272438B CN 201711474841 A CN201711474841 A CN 201711474841A CN 108272438 B CN108272438 B CN 108272438B
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- A61B5/0093—Detecting, measuring or recording by applying one single type of energy and measuring its conversion into another type of energy
- A61B5/0095—Detecting, measuring or recording by applying one single type of energy and measuring its conversion into another type of energy by applying light and detecting acoustic waves, i.e. photoacoustic measurements
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Abstract
The embodiment of the present invention provides a kind of sound of snoring detection method, apparatus and system, belong to technical field of data processing, it solves the security risk for having electrical signal contact human body by the microphone detection sound of snoring in the prior art, and the sound of snoring is detected by airflow pipeline and there are problems that decline of pressure detects failure.The described method includes: the intensity for the light that acquisition is input to the intensity of the light of the smooth transferring element and the smooth transferring element is exported；And the difference of the intensity of the light exported according to the intensity of the light for being input to the smooth transferring element and the smooth transferring element, determine sound of snoring pressure value to be measured.During the embodiment of the present invention is suitable for the detection sound of snoring.
Description
Technical field
The present invention relates to technical field of data processing, more particularly to a kind of sound of snoring detection method, apparatus and system.
Background technique
Presently, there are the modes of two kinds of common detection sounds of snoring, and one is the microphone detection sound of snoring is utilized, another kind is logical
Airflow duct is crossed, the vibration of the air-flow as caused by the sound of snoring becomes to be compression shock according to air-flow vibration transmitting by obtaining pressure
Change detects the sound of snoring.
The above-mentioned prior art has the disadvantage that for the first using the microphone detection sound of snoring, due to microphone away from
It is closer from human body, there is the possibility of electrical signal contact human body, there are security risks, in addition, external noise can also interfere with sound of snoring detection；
The sound of snoring is detected using airflow duct for second, since airflow pipeline is longer, pressure has decaying, sound of snoring function.
Summary of the invention
The purpose of the embodiment of the present invention is that providing a kind of sound of snoring detection method, apparatus and system, solve in the prior art
There is security risk and detect inaccuracy in sound of snoring detection, improve the accuracy of safety and detection.
To achieve the goals above, the embodiment of the present invention provides a kind of sound of snoring detection device, and described device includes: light transmitting
Component, the light transferring element are used for the light that is emitted light emitting source and transmit, wherein the smooth transferring element include vibrating diaphragm with
And pickup hole, the vibrating diaphragm can shake because of the sound of snoring entered by the pickup hole, and then influence the light emitting source and sent out
The intensity for the light penetrated.
Optionally, described device further include: enter photodetector, for detecting the light for being input to the smooth transferring element
Intensity；And photodetector out, for detecting the intensity for the light that the smooth transferring element is exported.
Optionally, the pickup hole is two, is oppositely arranged on the two sides for being located at the vibrating diaphragm on the smooth transferring element
Position.
Optionally, the smooth transferring element further include with it is described enter the light-entering optical fiber that connect of photodetector and with it is described
The light-coming out optical fiber of photodetector connection out, the vibrating diaphragm is between the light-entering optical fiber and the light-coming out optical fiber.
Correspondingly, the embodiment of the present invention provides a kind of sound of snoring detection system, comprising: above-mentioned sound of snoring detection device；And place
Manage device, the intensity of light exported for the intensity and the smooth transferring element according to the light for being input to the smooth transferring element it
Difference determines sound of snoring pressure value to be measured.
Optionally, the light exported in the intensity and the smooth transferring element according to the light for being input to the smooth transferring element
Intensity difference determine sound of snoring pressure value to be measured before, the processor be also used to execute it is following operation one or more of:
Be input to described in judgement the light of the smooth transferring element intensity whether be stable in the first preset time period it is pre- into luminous intensity
If range；And judge whether the intensity for the light that the smooth transferring element is exported in the second preset time period is stable at out light intensity
Spend preset range.
Optionally, the processor is also used to determine the frequency of the sound of snoring pressure value to be measured, and in the default sound of snoring
The sound of snoring pressure value to be measured fluctuated in frequency range is labeled and/or stores.
Optionally, the processor is also used to: the intensity of the light for being input to the smooth transferring element being carried out smooth
Filtering is obtained into light smooth value, and according to it is described enter light smooth value logarithm and the intensity of light that is exported of the smooth transferring element
Logarithm difference, determine intensity variation value；The intensity variation value smothing filtering is obtained into luminous intensity smooth value, and pre-
If searching luminous intensity pressure value corresponding with the luminous intensity smooth value in conversion table；By the luminous intensity pressure value smothing filtering
Sound of snoring middle line is obtained, and determines that the difference of the luminous intensity pressure value and the sound of snoring middle line is the sound of snoring pressure value to be measured.
Correspondingly, the embodiment of the present invention provides a kind of sound of snoring detection method, the method is applied to above-mentioned sound of snoring detection system
System, which comprises obtain and be input to the light that the intensity of the light of the smooth transferring element is exported with the smooth transferring element
Intensity；And the light exported according to the intensity of the light for being input to the smooth transferring element and the smooth transferring element
The difference of intensity determines sound of snoring pressure value to be measured.
Optionally, the intensity of the light that the smooth transferring element is input to according to and the smooth transferring element institute are defeated
The difference of the intensity of light out determine sound of snoring pressure value to be measured include: by the intensity of the light for being input to the smooth transferring element into
Row smothing filtering is obtained into light smooth value, and according to it is described enter light smooth value logarithm and the light that is exported of the smooth transferring element
Intensity logarithm difference, determine intensity variation value；The intensity variation value smothing filtering is obtained into luminous intensity smooth value,
And luminous intensity pressure value corresponding with the luminous intensity smooth value is searched in default conversion table；And by the luminous intensity pressure
Value smothing filtering obtains sound of snoring middle line, and determines that the difference of the luminous intensity pressure value and the sound of snoring middle line is the snore to be measured
Acoustic pressure force value.
Through the above technical solutions, can be because of the sound of snoring that is entered by the pickup hole using the vibrating diaphragm in light transferring element
And shake, and then influence the intensity for the light that light emitting source is emitted, sound of snoring pressure value is identified by the variation of the intensity of light, is solved
In the prior art there is the security risk of electrical signal contact human body by the microphone detection sound of snoring, and passes through airflow pipeline and detect
The sound of snoring has that decline of pressure detects failure, through the embodiment of the present invention in optical transport detect the sound of snoring, both can be to avoid
Electrical signal contact human body improves safety, and can use the fast advantage of light transmission speed, guarantees the accuracy of detection.
The other feature and advantage of the embodiment of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is to further understand for providing to the embodiment of the present invention, and constitute part of specification, under
The specific embodiment in face is used to explain the present invention embodiment together, but does not constitute the limitation to the embodiment of the present invention.Attached
In figure:
Fig. 1 is a kind of structural schematic diagram of sound of snoring detection device provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of another sound of snoring detection device provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of another sound of snoring detection device provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of another sound of snoring detection device provided in an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of another sound of snoring detection device provided in an embodiment of the present invention；
Fig. 6 is a kind of structural schematic diagram of sound of snoring detection system provided in an embodiment of the present invention；
Fig. 7 is a kind of flow chart of sound of snoring detection method provided in an embodiment of the present invention；
Fig. 8 is the flow chart of another sound of snoring detection method provided in an embodiment of the present invention；
Fig. 9 is the flow chart of another sound of snoring detection method provided in an embodiment of the present invention.
Description of symbols
The smooth transferring element of 10 light emitting source 20
30 vibrating diaphragm, 40 pickup hole
50, which enter photodetector 60, goes out photodetector
70 light-entering optical fiber, 80 light-coming out optical fiber
Specific embodiment
It is described in detail below in conjunction with specific embodiment of the attached drawing to the embodiment of the present invention.It should be understood that this
Locate described specific embodiment and be merely to illustrate and explain the present invention embodiment, is not intended to restrict the invention embodiment.
Fig. 1 is a kind of structural schematic diagram of sound of snoring detection device provided in an embodiment of the present invention.As shown in Figure 1, the snore
Sound detection device includes: light transferring element 20, and the light which is used to emit light emitting source 10 transmits, wherein
The smooth transferring element 20 includes vibrating diaphragm 30 and pickup hole 40, and the vibrating diaphragm 30 can be because being entered by the pickup hole 40
The sound of snoring and shake, and then influence the intensity for the light that the light emitting source is emitted.
In above scheme, the light emitting diode for generating specific wavelength can be for light emitting source 10, such as generate 610nm wave
Long light emitting diode.Vibrating diaphragm 30 is elastic material, and pickup hole 40 can be by external air flow, but ambient light not can enter,
Vibrating diaphragm 30 can shake because of the sound of snoring entered by the pickup hole 40, and then influence the strong of the light that the light emitting source is emitted
Degree, when not having the sound of snoring, vibrating diaphragm 30 will not shake, indeformable, and then will not influence the intensity for the light that the light emitting source is emitted,
When there is the sound of snoring to pass through, as shown in Fig. 2, vibrating diaphragm 30 shakes, deformation is generated, and then influence the strong of the light that the light emitting source is emitted
Degree, the then intensity of the light exported from the smooth transferring element are less than the intensity for being input to the light of the smooth transferring element.
In addition, in order to closely detect the sound of snoring, the wearing position of the sound of snoring detection device is the mouth as close as possible to face
Nose position.
The sound of snoring detection device provided through the embodiment of the present invention, can be because passing through using the vibrating diaphragm in light transferring element
State the sound of snoring of pickup hole entrance and shake, and then influence the intensity of light that light emitting source is emitted, by the variation of the intensity of light come
It identifies sound of snoring pressure value, solves the security risk for having electrical signal contact human body by the microphone detection sound of snoring in the prior art,
And by airflow pipeline detect the sound of snoring there are problems that decline of pressure detect failure, through the embodiment of the present invention in optical transport
The sound of snoring is detected, both can improve safety to avoid electrical signal contact human body, and can use the fast advantage of light transmission speed,
Guarantee the accuracy of detection.
In one embodiment of the invention, Fig. 3 shows a kind of sound of snoring detection device provided in an embodiment of the present invention
Structural schematic diagram.As shown in figure 3, described device further include: enter photodetector 50, be input to the light transmitting for detecting
The intensity of the light of component；And photodetector 60 out, for detecting the intensity for the light that the smooth transferring element is exported.
Wherein, it is described enter photodetector 50 and photodetector 60 can be phototriode out, in addition, in order to mention
High measurement accuracy, it is described enter photodetector 50 and out can also include that can only pass through the dry of specific wavelength in photodetector 60
Optical filter (not shown) is related to, for example, when light emitting source 10, which is, can generate the light emitting diode of 610nm wavelength, then it is described dry
Interference can only be reduced by the light of 610nm wavelength by relating to optical filter.
In another embodiment of the invention, the sound of snoring entered through the pickup hole 40 can vertically reach the vibration
The surface of film 30.In order to improve the accuracy of sound of snoring detection, picked up as shown in figure 4, being arranged two on the smooth transferring element 20
Sound hole 40 is oppositely arranged on the smooth transferring element 20 positioned at the position of the two sides of the vibrating diaphragm 30.
In another embodiment of the invention, in order to enhance the wearable property of the sound of snoring detection device, such as Fig. 5 institute
Show, the smooth transferring element 20 further include with it is described enter the light-entering optical fiber 70 that connect of photodetector 50 and with it is described go out light inspection
The light-coming out optical fiber 80 that component 60 connects is surveyed, the vibrating diaphragm 30 is between the light-entering optical fiber 70 and the light-coming out optical fiber 80.
Through the above technical solutions, the influence using the sound of snoring entered by pickup hole to vibrating diaphragm, to influence the hair
The intensity for the light that light source is emitted, by detecting the intensity for being input to the light of the smooth transferring element and the smooth transferring element
The intensity of the light exported detects the sound of snoring.Since the embodiment of the present invention utilizes the transmitting of light, avoid utilizing electricity in the prior art
Signal detection bring security risk, and the problem of avoid airflow duct transmission attenuation, improve the safety of sound of snoring detection
Property and accuracy.
Correspondingly, Fig. 6 is a kind of structural schematic diagram of sound of snoring detection system provided in an embodiment of the present invention.As shown in fig. 6,
System provided in an embodiment of the present invention includes sound of snoring detection device 61 shown in either figure in above-mentioned Fig. 1-Fig. 5, and processing
Device 62, wherein the processor 62, for according to be input to the smooth transferring element light intensity and the smooth transferring element
The difference of the intensity of the light exported determines sound of snoring pressure value to be measured.
By above-mentioned sound of snoring detection system, in the light for being input to the smooth transferring element obtained by sound of snoring detection device
After the intensity for the light that intensity and the smooth transferring element are exported, sound of snoring pressure value to be measured is determined.Pass through the change of the intensity of light
Change to identify sound of snoring pressure value, solve has the safety of electrical signal contact human body hidden by the microphone detection sound of snoring in the prior art
Suffer from, and by airflow pipeline detect the sound of snoring there are problems that decline of pressure detect failure, through the embodiment of the present invention in light
The transmission detection sound of snoring, both can improve safety to avoid electrical signal contact human body, and can use fast excellent of light transmission speed
Gesture guarantees the accuracy of detection.
In one embodiment of the invention, it in order to guarantee the stability of light transmitting, is passing according to being input to the light
Before the difference of the intensity for the light that the intensity and the smooth transferring element for passing the light of component are exported determines sound of snoring pressure value to be measured, institute
It states processor and is also used to execute one or more of following operation:
1) whether the intensity for the light for being input to the smooth transferring element described in judgement is stable in the first preset time period
Enter luminous intensity preset range；And
2) judge whether the intensity for the light that the smooth transferring element is exported in the second preset time period is stable at out light
Intensity preset range.
For example, the intensity for the light for being input to the smooth transferring element described in judgement whether be stable in 1s it is described enter light intensity
Preset range is spent, the processing that sound of snoring pressure value to be measured is determined if stablizing reports an error if unstable.Or described in judgement
Whether the intensity for the light that light transferring element is exported is stable at out luminous intensity preset range in 5s, if stablize if be determined to
The processing for surveying sound of snoring pressure value reports an error if unstable, can terminate to detect, and closes light emitting source.Or it is above-mentioned 1) and 2) simultaneously into
Row judgement, when the intensity for the light that the intensity of the light for being input to the smooth transferring element and the smooth transferring element are exported is equal
When stablizing, then the processing for being determined sound of snoring pressure value to be measured reports an error if unstable, can terminate to detect, and closes light emitting source.
In another embodiment of the invention, looked into for the ease of sound of snoring pressure value of the health care workers to user
It sees, the processor is also used to determine the frequency of the sound of snoring pressure value to be measured, and to the wave in default sound of snoring frequency range
Dynamic sound of snoring pressure value to be measured is labeled and/or stores.Wherein, the defining for sound of snoring frequency using the prior art, it is described
Default sound of snoring frequency range may be set to 25Hz~300Hz, the snore to be measured to fluctuating in the default sound of snoring frequency range
Acoustic pressure force value is labeled and/or stores.In addition, the frequency of the sound of snoring pressure value to be measured described for determination, can pass through determination
The time interval between time interval or two adjacent troughs between two adjacent peaks of the sound of snoring pressure value to be measured
It determines, can determine that repeats no more herein by correlation technique in the prior art.
In one embodiment of the invention, the processor is also used to:
A, the intensity of the light for being input to the smooth transferring element smothing filtering is carried out to obtain into light smooth value, and root
According to it is described enter light smooth value logarithm and the difference of the logarithm of the intensity of light that is exported of the smooth transferring element, determine that luminous intensity becomes
Change value；
B, the intensity variation value smothing filtering is obtained into luminous intensity smooth value, and lookup and institute in default conversion table
State the corresponding luminous intensity pressure value of luminous intensity smooth value；
C, the luminous intensity pressure value smothing filtering is obtained into sound of snoring middle line, and determine the luminous intensity pressure value with it is described
The difference of sound of snoring middle line is the sound of snoring pressure value to be measured.
It is to play filter action to remove the projecting point in waveform for the smothing filtering mentioned in step a, b and c,
And specific smooth number, it is not specific herein to limit, can as the case may be depending on, 10 times can be with, and 100 times can also be with,
Or smothing filtering can also be carried out using the method for taking mean value.
The intensity for the light that logarithm for entering light smooth value in step a according to is exported with the smooth transferring element
The difference of logarithm determines intensity variation value, the intensity variation value can be calculated according to M=ln (S)-ln (C), wherein
M is the intensity variation value, and S enters light smooth value, the intensity for the light that C is exported by the smooth transferring element for described in.
By above-mentioned sound of snoring detection system, according to the light for being input to the smooth transferring element of sound of snoring detection device acquisition
The difference of the intensity for the light that intensity and the smooth transferring element are exported, determines sound of snoring pressure value to be measured.Due to the embodiment of the present invention
It using the transmitting of light, avoids in the prior art using electrical signal detection bring security risk, and avoids airflow duct biography
The problem of defeated decaying, improves the safety and accuracy of sound of snoring detection.
Correspondingly, Fig. 7 is a kind of flow chart of sound of snoring detection method provided in an embodiment of the present invention.The method is applied to
Above-mentioned sound of snoring detection system, as shown in Figure 7, which comprises
701, the strong of the intensity and the light that is exported of the smooth transferring element for being input to the light of the smooth transferring element is obtained
Degree；
702, the intensity of the light of the smooth transferring element is input to according to and light that the smooth transferring element is exported
Intensity difference, determine sound of snoring pressure value to be measured.
By the above method, according to the intensity of the light for being input to the smooth transferring element and the smooth transferring element institute
After the intensity of the light of output, sound of snoring pressure value to be measured is determined.Sound of snoring pressure value is identified by the variation of the intensity of light, is solved
In the prior art there is the security risk of electrical signal contact human body by the microphone detection sound of snoring, and passes through airflow pipeline and detect
The sound of snoring has that decline of pressure detects failure, through the embodiment of the present invention in optical transport detect the sound of snoring, both can be to avoid
Electrical signal contact human body improves safety, and can use the fast advantage of light transmission speed, guarantees the accuracy of detection.
In one embodiment of the invention, in order to guarantee light transmitting stability, be input to according to described
The difference of the intensity for the light that the intensity of the light of the smooth transferring element and the smooth transferring element are exported determines sound of snoring pressure to be measured
Before value, the method also includes executing one or more of following operation:
1) whether the intensity for the light for being input to the smooth transferring element described in judgement is stable in the first preset time period
Enter luminous intensity preset range；And
2) judge whether the intensity for the light that the smooth transferring element is exported in the second preset time period is stable at out light
Intensity preset range.
When be performed simultaneously it is above-mentioned 1) and 2) when, the execution process of the embodiment of the present invention is as shown in figure 8, the method includes such as
Lower step:
801, the strong of the intensity and the light that is exported of the smooth transferring element for being input to the light of the smooth transferring element is obtained
Degree；
802, whether the intensity that the light of the smooth transferring element is input to described in judgement is stablized in the first preset time period
In entering luminous intensity preset range；
803, when the intensity of the light for being input to the smooth transferring element is stable in the first preset time period into light
When intensity preset range, judge whether the intensity for the light that the smooth transferring element is exported is stable in the second preset time period
Luminous intensity preset range out；
804, the intensity of the light exported when the smooth transferring element is stable at out luminous intensity in the second preset time period
When preset range, the light that is exported according to the intensity of the light for being input to the smooth transferring element and the smooth transferring element
The difference of intensity determines sound of snoring pressure value to be measured；
805, when the intensity of the light for being input to the smooth transferring element do not settled out in the first preset time period into
The intensity for the light that luminous intensity preset range or the smooth transferring element are exported does not settle out in out in the second preset time period
When luminous intensity preset range, report an error.
In another embodiment of the invention, looked into for the ease of sound of snoring pressure value of the health care workers to user
It sees, after determining sound of snoring pressure value to be measured, determines the frequency of the sound of snoring pressure value to be measured, and in default sound of snoring frequency
The sound of snoring pressure value to be measured fluctuated in range is labeled and/or stores.Wherein, using the prior art for the boundary of sound of snoring frequency
Fixed, the default sound of snoring frequency range may be set to 25Hz~300Hz, to what is fluctuated in the default sound of snoring frequency range
Sound of snoring pressure value to be measured is labeled and/or stores.
In addition, the intensity of the light for being input to the smooth transferring element according to and the light pass for step 702
The difference for passing the intensity for the light that component is exported determines that sound of snoring pressure value to be measured includes:
A, the intensity of the light for being input to the smooth transferring element smothing filtering is carried out to obtain into light smooth value, and root
According to it is described enter light smooth value logarithm and the difference of the logarithm of the intensity of light that is exported of the smooth transferring element, determine that luminous intensity becomes
Change value；
B, the intensity variation value smothing filtering is obtained into luminous intensity smooth value, and lookup and institute in default conversion table
State the corresponding luminous intensity pressure value of luminous intensity smooth value；
C, the luminous intensity pressure value smothing filtering is obtained into sound of snoring middle line, and determine the luminous intensity pressure value with it is described
The difference of sound of snoring middle line is the sound of snoring pressure value to be measured.
Correspondingly, to facilitate the understanding of the present invention in embodiment step 702 specific implementation process, as shown in figure 9, provide
For the detailed implementation process of step 702, specifically comprise the following steps:
901, the luminous intensity voltage value for being input to the smooth transferring element is obtained, and is converted to and is input to the smooth transfer part
The intensity of the light of part；
902, the intensity of the light for being input to the smooth transferring element smothing filtering is carried out to obtain into light smooth value；
903, the luminous intensity voltage value that the smooth transferring element is exported is obtained, and it is defeated to be converted to the smooth transferring element institute
The intensity of light out.
For being converted to the intensity of light in step 901 and step 903 by voltage value, it can use AD in the prior art and turn
Chip or conversion relational expression are changed, details are not described herein again.
904, intensity variation value=ln (entering light smooth value)-ln (intensity for the light that the smooth transferring element is exported)；
905, the intensity variation value smothing filtering is obtained into luminous intensity smooth value；
906, luminous intensity pressure value corresponding with the luminous intensity smooth value is searched in default conversion table；
907, the luminous intensity pressure value smothing filtering is obtained into sound of snoring middle line；
908, sound of snoring pressure value to be measured=luminous intensity pressure value-sound of snoring middle line；
909, judge whether the sound of snoring pressure value to be measured fluctuates in default sound of snoring frequency range, if so then execute step
910, if not thening follow the steps 911；
910, the sound of snoring pressure value to be measured fluctuated in default sound of snoring frequency range is labeled and/or is stored；
911, terminate this detection.
Detail and beneficial effect in relation to above-mentioned sound of snoring detection method provided by the invention are seen above-mentioned for this
The description of the above-mentioned sound of snoring detection system provided is invented, details are not described herein again.
The optional embodiment of the embodiment of the present invention is described in detail in conjunction with attached drawing above, still, the embodiment of the present invention is simultaneously
The detail being not limited in above embodiment can be to of the invention real in the range of the technology design of the embodiment of the present invention
The technical solution for applying example carries out a variety of simple variants, these simple variants belong to the protection scope of the embodiment of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the embodiment of the present invention pair
No further explanation will be given for various combinations of possible ways.
It will be appreciated by those skilled in the art that implementing the method for the above embodiments is that can pass through
Program is completed to instruct relevant hardware, which is stored in a storage medium, including some instructions are used so that single
Piece machine, chip or processor (processor) execute all or part of the steps of each embodiment the method for the application.And it is preceding
The storage medium stated includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory
The various media that can store program code such as (RAM, Random Access Memory), magnetic or disk.
In addition, any combination can also be carried out between a variety of different embodiments of the embodiment of the present invention, as long as it is not
The thought of the embodiment of the present invention is violated, equally should be considered as disclosure of that of the embodiment of the present invention.
Claims (7)
1. a kind of sound of snoring detection device, which is characterized in that described device includes:
Light transferring element, the light which is used to emit light emitting source transmit,
Wherein the smooth transferring element includes vibrating diaphragm and pickup hole, and the vibrating diaphragm can be because of the snore that is entered by the pickup hole
Sound and shake, and then influence the intensity for the light that the light emitting source is emitted；
Enter photodetector, for detecting the intensity for being input to the light of the smooth transferring element；And
Photodetector out, for detecting the intensity for the light that the smooth transferring element is exported.
2. sound of snoring detection device according to claim 1, which is characterized in that the pickup hole is two, is oppositely arranged on
Positioned at the position of the two sides of the vibrating diaphragm on the smooth transferring element.
3. sound of snoring detection device according to claim 1, which is characterized in that the smooth transferring element further include with it is described enter
The light-entering optical fiber of photodetector connection and with it is described go out the light-coming out optical fiber that connect of photodetector, described in the vibrating diaphragm is located at
Between light-entering optical fiber and the light-coming out optical fiber.
4. a kind of sound of snoring detection system characterized by comprising
Sound of snoring detection device according to claim 1-3；And
Processor, for according to the intensity of the light for being input to the smooth transferring element and the light that is exported of the smooth transferring element
The difference of intensity determines sound of snoring pressure value to be measured,
Wherein, the processor is also used to the intensity of the light for being input to the smooth transferring element carrying out smothing filtering to obtain
Enter light smooth value, and according to it is described enter light smooth value logarithm and the logarithm of the intensity of light that is exported of the smooth transferring element it
Difference determines intensity variation value；The intensity variation value smothing filtering is obtained into luminous intensity smooth value, and in default conversion table
It is middle to search luminous intensity pressure value corresponding with the luminous intensity smooth value；And the luminous intensity pressure value smothing filtering is obtained
Sound of snoring middle line, and determine that the difference of the luminous intensity pressure value and the sound of snoring middle line is the sound of snoring pressure value to be measured.
5. sound of snoring detection system according to claim 4, which is characterized in that be input to the smooth transferring element in basis
Before the difference of the intensity for the light that the intensity of light and the smooth transferring element are exported determines sound of snoring pressure value to be measured, the processor
It is also used to execute one or more of following operation:
Whether the intensity that the light of the smooth transferring element is input to described in judgement is stable in the first preset time period into light intensity
Spend preset range；And
It is pre- to judge whether the intensity for the light that the smooth transferring element is exported in the second preset time period is stable at out luminous intensity
If range.
6. sound of snoring detection system according to claim 4, which is characterized in that the processor is also used to determine described to be measured
The frequency of sound of snoring pressure value, and the sound of snoring pressure value to be measured fluctuated in default sound of snoring frequency range is labeled and/or
Storage.
7. a kind of sound of snoring detection method, which is characterized in that the method is applied to such as the described in any item sounds of snoring of claim 4-6
Detection system, which comprises
The intensity for the light that acquisition is input to the intensity of the light of the smooth transferring element and the smooth transferring element is exported；And
The intensity of the light exported according to the intensity of the light for being input to the smooth transferring element and the smooth transferring element it
Difference determines sound of snoring pressure value to be measured,
Wherein, the light that the intensity of the light that the smooth transferring element is input to according to and the smooth transferring element are exported
The difference of intensity determine that sound of snoring pressure value to be measured includes:
The intensity of the light for being input to the smooth transferring element is carried out smothing filtering to obtain into light smooth value, and according to described
The difference of the logarithm of the intensity for the light that the logarithm and the smooth transferring element for entering light smooth value are exported, determines intensity variation value；
The intensity variation value smothing filtering is obtained into luminous intensity smooth value, and searches in default conversion table and is put down with the luminous intensity
It is sliding to be worth corresponding luminous intensity pressure value；And the luminous intensity pressure value smothing filtering is obtained into sound of snoring middle line, and described in determination
Luminous intensity pressure value and the difference of the sound of snoring middle line are the sound of snoring pressure value to be measured.
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