CN206403792U - A kind of electronic auscultation device of noise reduction - Google Patents
A kind of electronic auscultation device of noise reduction Download PDFInfo
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- CN206403792U CN206403792U CN201620903173.9U CN201620903173U CN206403792U CN 206403792 U CN206403792 U CN 206403792U CN 201620903173 U CN201620903173 U CN 201620903173U CN 206403792 U CN206403792 U CN 206403792U
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- China
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- noise reduction
- auscultation device
- electronic auscultation
- noise
- pickup
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Abstract
This application discloses a kind of electronic auscultation device of noise reduction, including stethoscope housing；The pickup can of stethoscope housing head is arranged at, for gathering and converting audio signals into electric signal；The pickup can includes sound chamber, microphone and the noise-reducing components for reducing noise；The signal processing circuit in stethoscope housing is arranged at, it is electrically connected with microphone, is handled for the electric signal to pickup can.The application is collected due to introducing noise-reducing components in pickup can, therefore can effectively reduce noise that caused vibrations and external audio interference are produced during due to operation equipment etc. by microphone, reaches the effect of noise reduction, and then lift final internal organs audio frequency effect.
Description
Technical field
The application is related to medical Instrument field, and in particular to a kind of electronic auscultation device of noise reduction.
Background technology
Stethoscope is one of the most frequently used diagnosis apparatus of doctor, and traditional stethoscope is to use air as medium to incite somebody to action
The faint sound that human internal organ is sent is judged whether by the incoming doctor's ear of pipeline, doctor by the sound for the internal organs heard
There is lesion.
The main rubber tube by the can for pickup, for conducting sound of conventional stethoscope and for listening to sound
The composition such as receiver.Doctor is when using traditional stethoscope, it is often necessary to while carefully being listened to by stethoscopic receiver
The sound of internal organs, will also carry out some auxiliary operations, such as calendar scheduling, because being inconvenient on one side.In addition, in order to ensure that auscultation is imitated
Really, to enter ear's elastic force larger for traditional stethoscope, and permanent use can cause doctor ear uncomfortable.Finally, with medical technology
Development, it is often necessary to retain the idagnostic logout of patient, and traditional stethoscope can not retain the sound that doctor is heard by stethoscope
Sound.
For as above the problem of, generate electronic auscultation device, electronic auscultation device passes through microphone (MIC, microphone)
Audio signals of visceral organs is gathered, and the voice data of needs is analyzed by the audio frequency processing system in later stage, auscultation can be both met
Demand, can also retain auscultation data.
But due to belonging to small-signal by the internal organs audio of auscultation, so in the prior art, electronic auscultation device all can be by
It amplifies and filtered, to reach required effect.But in practical operation, because being small-signal by the internal organs audio of auscultation,
So being highly prone to the severe jamming in the external world, wanting needed for can not being properly arrived at only is amplified and filtered by stethoscope
Ask.
The content of the invention
To solve the above problems, the application provides a kind of electronic auscultation device of noise reduction.
The electronic auscultation device for the noise reduction that the application is provided, including：
Stethoscope housing；
The pickup can of stethoscope housing head is arranged at, for gathering and converting audio signals into electric signal；It is described
Pickup can includes sound chamber, microphone and the noise-reducing components for reducing noise；
The signal processing circuit in stethoscope housing is arranged at, it is electrically connected with microphone, for the electricity to pickup can
Signal is handled.
In a preferred embodiment, the noise-reducing components include outer noise reduction circle and/or interior noise reduction circle；The outer noise reduction circle is used
In by the sound chamber and stethoscope housing head elastic connection；The interior noise reduction circle is used to connect in the sound chamber and microphone elasticity
Connect.
In a preferred embodiment, the outer noise reduction circle is elastic component；And/or, the interior noise reduction circle is elastic component.
In a preferred embodiment, the elastic component is silica gel material.
In a preferred embodiment, the pickup can also includes vibration membrane, and the vibration membrane, sound chamber and microphone are successively
Stethoscope housing head is arranged at from outside to inside, wherein the vibration membrane and sound chamber are fixed by a retainer plate.
In a preferred embodiment, the signal processing circuit is used to the electric signal of pickup can is amplified and filtered
Ripple.
In a preferred embodiment, the electronic auscultation device of the noise reduction also includes wireless transport module and/or wired biography mould
Block, for signal processing circuit to be handled after signal transfer out.
In a preferred embodiment, the wireless transport module includes bluetooth module.
In a preferred embodiment, the electronic auscultation device of the noise reduction also includes being used for play signal processing circuit processes mistake
The audio playing module of electric signal afterwards.
In a preferred embodiment, the electronic auscultation device of the noise reduction also includes memory module, for storing signal transacting
Signal after processing of circuit.
The beneficial effect of the application is：
It is specifically, described due to introducing noise-reducing components in pickup can according to the electronic auscultation device of the noise reduction of above-mentioned implementation
Noise-reducing components include outer noise reduction circle and/or interior noise reduction circle；The outer noise reduction circle is used for the sound chamber and stethoscope housing head
Elastic connection；The interior noise reduction circle is used for the sound chamber and microphone elastic connection；It therefore, it can effectively reduction due to operation
Noise that caused vibrations and external audio interference are produced during equipment etc. is collected by microphone, reaches the effect of noise reduction, and then
The final internal organs audio frequency effect of lifting.
Brief description of the drawings
Fig. 1 is a kind of structural schematic block diagram of the electronic auscultation device of the noise reduction of embodiment of the application；
Fig. 2 is a kind of profile of the electronic auscultation device of the noise reduction of embodiment of the application；
Fig. 3 is a kind of explosive view of the electronic auscultation device of the noise reduction of embodiment of the application；
Fig. 4 is the structural representation of the interlock circuit of the electronic auscultation device of the noise reduction of the application one our embodiment.
Embodiment
In the prior art, because being small-signal by the internal organs audio of auscultation, the severe jamming in the external world is highly prone to,
Required requirement, therefore present invention can not be properly arrived at by being only amplified and filtering by interlock circuit in stethoscope
Design is, the noise-reducing components of correlation is introduced in the gatherer process of audio signal, to reach the effect of noise reduction.It is specific real one
Apply in example, noise-reducing components include outer noise reduction circle and/or interior noise reduction circle；Outer noise reduction circle is used for sound chamber and stethoscope housing head bullet
Property connection；Interior noise reduction circle is used for sound chamber and microphone elastic connection.Utilize the resistance of outer noise reduction circle, the elastomeric material of interior noise reduction circle
Damping characteristics, can effectively be reduced during auscultation due to making an uproar that vibrations caused by operation equipment and external audio interference are produced
Sound, reaches the effect of noise reduction, and then lift final internal organs audio frequency effect.Below by embodiment combination accompanying drawing to this
Application is described in further detail.
As shown in Figures 1 to 3, this application discloses a kind of electronic auscultation device of noise reduction, including pickup can 10, interlock circuit
20 and stethoscope housing 30, it is specifically described below.
Pickup can 10 is arranged at the head of stethoscope housing 30, the audio signal for gathering internal organs, and audio is believed
Number be converted to electric signal.In one embodiment, pickup can 10 includes vibration membrane 3, sound chamber 1, microphone 13 and is used for
The noise-reducing components of noise are reduced, in one preferably embodiment, noise-reducing components can include outer noise reduction circle 11 and/or interior noise reduction circle
12.Vibration membrane 3, sound chamber 1 and microphone 13 are arranged at stethoscope housing head, wherein vibration membrane 3 and sound chamber 1 from outside to inside successively
Fixed by a retainer plate 2.Outer noise reduction circle 11 is used to sound chamber 1 being connected with the head elasticity of stethoscope housing 30, interior noise reduction
Circle 12 is used for sound chamber 1 and the elastic connection of microphone 13, and in one embodiment, microphone 12 is to be mounted to be put into interior noise reduction circle
In 12.In a preferred embodiment, outer noise reduction circle 11 is elastic component, and interior noise reduction circle 12 is elastic component, in one embodiment,
Elastic component is silica gel material.The application employs elastic connection in the connection of pickup can 10, utilizes the damping of bullet part material
Characteristic, can efficiently reduce during doctor uses electronic auscultation device and be produced due to being shaken caused by operation electronic auscultation device
The noise that raw noise and external audio interference are produced, so as to reach the effect of noise reduction, finally improves the disease of doctor's acquisition
The quality of the audio sound of people's internal organs, improves the effect of final auscultation.
As shown in figure 4, interlock circuit 20 is arranged in stethoscope housing 30, it can include signal processing circuit 21, nothing
Line transport module 22, wired transmission module 23, memory module 24 and audio playing module 25.In one embodiment, interlock circuit 20
It can be disposed on one piece of circuit board.
Signal processing circuit 21 is electrically connected with microphone 13, for handling the electric signal that microphone 13 is exported, this
Processing includes but is not limited to electric signal is amplified and filtered.
Wireless transport module 22 is used to the signal treated by signal processing circuit 21 being wirelessly transferred away, real one
Apply in example, wireless transport module 22 includes bluetooth module.
Wired transmission module 23 is used to go out the signal wire transmission treated by signal processing circuit 21, for example, pass through
USB data line is transferred out.
Memory module 24 is used to store the signal treated by signal processing circuit 21, to facilitate follow-up repeat playing
Deng.
Audio playing module 25 is used for the signal after play signal process circuit 21 is treated.
The electronic auscultation device of the noise reduction of certain the application can also be electrically connected including some with interlock circuit 20, be arranged at
The operation button and screen on the surface of stethoscope housing 30 etc..The electronic auscultation device of the noise reduction of the application can also include some situations
Interlock circuit 20 is electrically connected, and is arranged at the interface etc. on the surface of stethoscope housing 30, such as inserting an earphone into so as to doctor
Hear interface of audio signals of visceral organs etc..
The electronic auscultation device of the noise reduction of the application, which one of is mainly improved, to be, the application is adopted in the connection of pickup can 10
With elastic connection, using the damping characteristic of bullet part material, doctor can be efficiently reduced and used during electronic auscultation device
Due to the noise that noise and external audio interference that generation is shaken caused by operation electronic auscultation device are produced, so as to reach drop
The effect made an uproar, finally improves the quality of the audio sound of patient's internal organs of doctor's acquisition, improves the effect of final auscultation.
In one embodiment, other non-improvement parts of electronic auscultation device can be likely to occur with existing electronic auscultation device or future
Electronic auscultation device is identical.
Above content is to combine the further description that specific embodiment is made to the application, it is impossible to assert this Shen
Specific implementation please is confined to these explanations.For the application person of an ordinary skill in the technical field, do not taking off
On the premise of from the present application design, some simple deduction or replace can also be made.
Claims (9)
1. a kind of electronic auscultation device of noise reduction, it is characterised in that including：
Stethoscope housing；
The pickup can of stethoscope housing head is arranged at, for gathering and converting audio signals into electric signal；The pickup
Can includes sound chamber, microphone and the noise-reducing components for reducing noise；
The signal processing circuit in stethoscope housing is arranged at, it is electrically connected with microphone, for the electric signal to pickup can
Handled.
2. the electronic auscultation device of noise reduction as claimed in claim 1, it is characterised in that the noise-reducing components include outer noise reduction circle
And/or interior noise reduction circle；The outer noise reduction circle is used for the sound chamber and stethoscope housing head elastic connection；The interior noise reduction circle
For by the sound chamber and microphone elastic connection.
3. the electronic auscultation device of noise reduction as claimed in claim 2, it is characterised in that the outer noise reduction circle is elastic component；With/
Or, the interior noise reduction circle is elastic component.
4. the electronic auscultation device of noise reduction as claimed in claim 3, it is characterised in that the elastic component is silica gel material.
5. the electronic auscultation device of noise reduction as claimed in claim 1, it is characterised in that the pickup can also includes vibration membrane,
The vibration membrane, sound chamber and microphone are arranged at stethoscope housing head from outside to inside successively, wherein the vibration membrane and sound chamber
Fixed by a retainer plate.
6. the electronic auscultation device of noise reduction as claimed in claim 1, it is characterised in that also including wireless transport module and/or have
Line transmission module, for signal processing circuit to be handled after signal transfer out.
7. the electronic auscultation device of noise reduction as claimed in claim 6, it is characterised in that the wireless transport module includes bluetooth mould
Block.
8. the electronic auscultation device of noise reduction as claimed in claim 1, it is characterised in that also including for play signal process circuit
The audio playing module of electric signal after treated.
9. the electronic auscultation device of noise reduction as claimed in claim 1, it is characterised in that also including memory module, for storing letter
Signal after number processing circuit processes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620903173.9U CN206403792U (en) | 2016-08-18 | 2016-08-18 | A kind of electronic auscultation device of noise reduction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620903173.9U CN206403792U (en) | 2016-08-18 | 2016-08-18 | A kind of electronic auscultation device of noise reduction |
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| Publication Number | Publication Date |
|---|---|
| CN206403792U true CN206403792U (en) | 2017-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620903173.9U Active CN206403792U (en) | 2016-08-18 | 2016-08-18 | A kind of electronic auscultation device of noise reduction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108720823A (en) * | 2018-07-06 | 2018-11-02 | 浙江大学山东工业技术研究院 | Wristwatch type blood pressure monitoring device and method based on pulse wave velocity method |
-
2016
- 2016-08-18 CN CN201620903173.9U patent/CN206403792U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108720823A (en) * | 2018-07-06 | 2018-11-02 | 浙江大学山东工业技术研究院 | Wristwatch type blood pressure monitoring device and method based on pulse wave velocity method |
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