CN207037660U - Remote portable electronic auscultation system based on cloud - Google Patents
Remote portable electronic auscultation system based on cloud Download PDFInfo
- Publication number
- CN207037660U CN207037660U CN201720277986.6U CN201720277986U CN207037660U CN 207037660 U CN207037660 U CN 207037660U CN 201720277986 U CN201720277986 U CN 201720277986U CN 207037660 U CN207037660 U CN 207037660U
- Authority
- CN
- China
- Prior art keywords
- resistance
- auscultation
- audio
- cloud server
- prefilter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000002555 auscultation Methods 0.000 title claims abstract description 58
- 238000004891 communication Methods 0.000 claims description 18
- 238000012545 processing Methods 0.000 claims description 15
- 238000011045 prefiltration Methods 0.000 claims description 12
- 238000003745 diagnosis Methods 0.000 abstract description 14
- 230000008901 benefit Effects 0.000 abstract description 4
- 201000010099 disease Diseases 0.000 abstract description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 3
- 238000002405 diagnostic procedure Methods 0.000 abstract 1
- 230000006870 function Effects 0.000 description 14
- 238000012546 transfer Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000013500 data storage Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 244000089409 Erythrina poeppigiana Species 0.000 description 1
- 206010067715 Gastrointestinal sounds abnormal Diseases 0.000 description 1
- 235000009776 Rathbunia alamosensis Nutrition 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 210000002837 heart atrium Anatomy 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Landscapes
- Measuring And Recording Apparatus For Diagnosis (AREA)
Abstract
The utility model discloses a long-range personal electron auscultation system based on high in clouds, including the cloud ware, electron stethoscope and user side, it can only deal with the face-to-face occasion of doctor and patient to have solved traditional auscultation equipment, the application face is little, it is inflexible to use, and the diagnostic process has great subjectivity, the difficult problem that the scientificity that makes the diagnosis result descends, the digitization and the information storage function of sound information have been added in the system, convenient and historical state of an illness carries out the comparison, rely on the network just can long-range completion diagnosis, the auscultation mode is nimble, it is convenient, no time and region restriction, traditional meaningful auscultation has been surpassed, provide a swift means of diagnosing for remote emergency call, there is certain advantage to proruption disease and old and weak sick and disabled's remote guardianship.
Description
Technical field
It the utility model is related to a kind of Medical Devices, particularly a kind of remote wearable electronic auscultation system based on high in the clouds.
Background technology
Stethoscope has been diagnosis and treatment apparatus indispensable in medical field, and traditional stethoscope is only used for doctor-patient
In aspectant scene, the application of diagnosis and treatment instrument significantly limit.With the development of Internet technology, intelligent medical, long-range prison
Shield is progressively come among the life of people, and the medical treatment ＆ health for constantly lifting people is horizontal.So in following intelligentized medical society
In meeting, a set of portable, based on high in the clouds remote auscultation system is just very necessary.
At present, mainly there is the Wired electronic stethoscope based on PC in some existing researchs of association area both at home and abroad, be based on
The radio electron echometer of Zigbee protocol, the portable electronic piece stethoscope based on bluetooth, the portable electronic piece auscultation based on Android
Device.Wired electronic stethoscope based on PC by data wire, it is necessary to connect PC and electronic auscultation device, this kind of electronic auscultation device
It is big that limitation is limited by transmission means, and needs PC software support, and portability is poor.Wireless electron based on Zigbee protocol
Stethoscope or the portable electronic piece stethoscope based on bluetooth, this kind of electronic auscultation device penetrability is bad, is limited by transimission power,
Communication distance is short, and auscultation output equipment can only have an area of in auscultation input equipment to be used within 100 meters.Based on Android's
Portable electronic piece stethoscope, this kind of electronic auscultation device communication speed is slow, real-time deficiency, easily normal by mobile phone dependent on mobile phone
The influence of communication function.So far the electronic auscultation device that remote auscultation is carried out using cloud service is not seen yet, and doctor and patient are still
Face-to-face auscultation is needed, therefore develops remote off-line type, multiple functional, function admirable, cheap novel electron and listens
Utensil is examined to be of great significance.
The content of the invention
For overcome the deficiencies in the prior art, the utility model provide a kind of auscultation mode it is flexible, it is convenient, without time and ground
Domain limits, the convenient remote wearable electronic auscultation system based on high in the clouds compared with the history state of an illness.
Technical scheme is used by the utility model solves its technical problem：
A kind of remote wearable electronic auscultation system based on high in the clouds, including Cloud Server, electronic auscultation device and user terminal, cloud
Server has internet communication function, and electronic auscultation device has WIFI communication function, for gathering voice data, and passes through
WIFI is sent to Cloud Server；User terminal has internet communication function, the diagnosis number sended over for showing Cloud Server
According to and diagnostic result.
The electronic auscultation device includes slave computer and the audio collection module being connected with the slave computer, the slave computer bag
Include the main control chip and audio processing modules electrically connected with the main control chip, storage module and WIFI communication module, the sound
Frequency acquisition module is connected with the audio processing modules, and the audio collection module includes auscultation head and microphone, the storage
Module is MicroSD cards.
The audio processing modules include prefilter, and the audio collection module connects the input of the prefilter
End, the output end of the prefilter are connected with audio digital to analog converter, the output end connection of the audio digital to analog converter
Power amplifier, the prefilter are active low-pass filter.
The beneficial effects of the utility model are：The utility model, which solves traditional auscultation equipment, can only tackle doctors and patients and face
The occasion in face, application surface is small, using dumb, and diagnoses process and have larger subjectivity, makes the science of diagnostic result
The problem of decline, the electronic auscultation device of the system can effectively remove unnecessary noise while conventional stethoscope function is retained,
Improve the sound effect of auscultation, moreover, add the digitlization of acoustic information and the function of information storage in system, it is convenient with
The history state of an illness is compared, while transmits data to Cloud Server, if doctor just can complete auscultation by Internet, and
There is provided it is online play and waveform displaying function, by observing waveform come analysing patient's condition, not only increase the flexible of diagnosis and treatment between doctors and patients
Property, while the science of diagnosis is also improved, facilitate more doctor's Cooperative consultations, and transfer data to high in the clouds and also comply with
Current internet development trend, Development by Depending on Network just can remotely complete to diagnose that auscultation mode is flexible, convenient, and no time and region limit
The characteristics of processed, the auscultation of traditional sense is surmounted, a kind of efficiently diagnosis and treatment means has been provided for remote emergency treatment, to sudden disease
The long distance monitoring of disease and the old,weak,sick and disabled have certain advantage.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is system principle of compositionality block diagram of the present utility model；
Fig. 2 is audio processing modules functional-block diagram；
Fig. 3 is the circuit theory diagrams of prefilter.
Embodiment
Referring to figs. 1 to Fig. 3, a kind of remote wearable electronic auscultation system based on high in the clouds, including Cloud Server, electronic auscultation
Device and user terminal, Cloud Server have internet communication function, and electronic auscultation device has WIFI communication function, for gathering audio
Data, and Cloud Server is sent to by WIFI；User terminal has internet communication function, for showing that Cloud Server is transmitted across
The diagnostic data and diagnostic result come.
1st, electronic auscultation device hardware design
Referring to Fig. 1, the electronic auscultation device includes slave computer and the audio collection module being connected with the slave computer, described
Slave computer includes main control chip and the audio processing modules, storage module and the WIFI communication mould that are electrically connected with the main control chip
Block, the audio collection module are connected with the audio processing modules, wherein, the audio collection module includes auscultation head and wheat
Gram wind, the storage module are MicroSD cards, and main control chip uses STM32F103 series monolithics, and operation uCOS ii are real-time
Operating system, coordinate functions normal work.It is by audio processing modules that the auscultated sound information collected is filtered
After carry out pcm encoder, then carry out quantization encoding to auscultation information encapsulates voice data with wav file form, and is stored in
On MicroSD cards, finally, WIFI communication module passes through internet（Internet）Wav file is uploaded to Cloud Server.
2nd, audio processing modules
Referring to Fig. 2, the audio processing modules include prefilter, and the audio collection module connects the pre-filtering
The input of device, the output end of the prefilter are connected with audio digital to analog converter, the audio digital to analog converter it is defeated
Go out end connection power amplifier, the prefilter is active low-pass filter.
VS1053 be VLSI Solution companies production a high-performance low-power-consumption audio coding decoding chip, built-in PCM
High-fidelity decoder, variable sample rate.Its inside has high s/n ratio DAC, and power consumption is lower, and has in tonequality and significantly carry
The auscultation audio-frequency information of storage can be carried out high reduction and played by height, signal to noise ratio up to 90 more than dB.Pass through SPI protocol and master
Control chip is communicated, and sound is carried out into pcm encoder with 8KHz sample frequencys, 16 sampling resolutions, monophonic, and with WAV texts
Part form is packaged storage.
Because heart sound frequency is in 20-600Hz sections, lungs sound frequency is in 100-1500Hz sections, and borborygmus voice frequency is in 20-
In 1500Hz sections, in common audio frequency range, electret microphone can be used as sound collection sensor.By
In the maximum only 50mV of auscultative signal, environmental disturbances and other various human factors during auscultation can usually be brought largely
Interfering noise, cause auscultation deviation occur.In order to reduce the interference of high-frequency noise, the voice signal of microphone input is set
Active low-pass filter is pre-processed, and the circuit of active low-pass filter is as shown in figure 3, including comparator U, resistance R1, electricity
Hinder R2, electric capacity C2, electric capacity C1, resistance R3 and the latter termination comparator U of resistance R4, resistance R1 and resistance R2 series connection input in the same direction
End, another termination input signal, electric capacity C2 termination comparator U input in the same direction, other end ground connection, electric capacity C1 one end
After connecting resistance R1 and resistance R2 node, another termination comparator U output end, resistance R3 and resistance R4 series connection, a termination ratio
Compared with device U output end, the other end is grounded, and resistance R3 and resistance R4 node connect the reverse input end of voltage comparator.
3rd, WIFI communication module
With IOT rise, WIFI accesses the major way of internet into Intelligent hardware, while also promotes IOT's
Development, and every household and all kinds of commercial circles are almost covered with WIFI hot spot now.The stethoscope system selection of the system makes
Internet is accessed with WIFI modes to be docked with Cloud Server.CC3200 is that TI wireless connections and Internet of Things solution are newest
The wireless MCU of a monolithic released, it is that industry first has built-in WIFI, for Internet of Things application, integrated high-performance ARM
Cortex-M4, by WIFI, internet and powerful security protocol on piece, can have under various wireless WIFI environment stronger
Adaptability.Communicated by http protocol and server, ensure reliability and real-time that data upload.
4th, memory module
Because auscultation audio information content is larger, it have selected MicroSD cards and data stored；MicroSD advantage
One of be its portability, compact, can freely plug, it is convenient in embedded device and the swapping data of PC.For
It is easy to be managed the audio file of auscultation information, using Fatfs universal document system modules line number is sticked into MicroSD
According to storage management.FatFs has higher configurability, and minimal configuration is used only 1K ram space, is highly suitable for embedded
Equipment, and abundant active file operation API is provided and carries out file process.
5th, slave computer software designs
Slave computer runs uCOSii real time operating systems, mainly by button Detection task (Key Check Task), data
Collection and store tasks (Data Acquisition And Processing Task), audio file playback task (Audio
File Playback Task) and four part compositions of data transfer task (Data Transfer Task).
Button Detection task：By reading the level state of key-press input pin, situation that detection button is pressed, and according to
Semaphore corresponding to different button triggering transmissions, including " data acquisition signal amount ", " completing collection semaphore ", " data time
Discharge signal amount " and " terminating playback signal amount "；Task detection cycle is 20ms, and priority is minimum.
Data acquisition and storage task：Carry out the collection of auscultation information data, wav file encapsulation and store, highest priority,
The beginning of execution is controlled with terminating by the semaphore of button triggering.Hung up after task initialization, wait " data acquisition to be received
After semaphore ", driving audio processing modules start to perform the sample code of auscultation information, and using wav file form to coding
Complete data, which are packaged, to be stored in MicroSD cards；Until button triggering " completing collection semaphore " stopping data acquisition, and
The wav file of data storage is put into transmission queue.
Data transfer task：It whether there is file to be transmitted in detection transmission queue, if detecting file to be transmitted, from
File is read in MicroSD cards, and the post methods in http agreements package, and sent out data by WiFi network
Deliver to Cloud Server.For the WAV audio files for completing encapsulation to be passed through into WIFI communication module transfer to Cloud Server；Task is examined
The survey cycle is 25ms, and preferential level is high.
Audio file playback task：The playback of auscultation information data is carried out, preferential level is low, and " data are triggered by button
Playback signal amount " starts task, is ended task by " terminating playback signal amount ".Wav file is read from MicroSD cards and is driven
Dynamic audio processing modules carry out auscultation information data playback by power amplifier.
6th, Cloud Server
The Sina App Engine Clouds that cloud server end is deployed in Sina offers calculate application engine.Wherein using PHP certainly
The Rest API of main design provide data access for slave computer, instruction pulls service, while also provides data for mobile client
Access service.WEB terminal is write using PHP, provides the user good operating experience.Data storage is in MYSQL database, together
When using the service of MemCached distributed cachings tackle high concurrent application scenarios.
The server of distal end is operated in access by using internet, simple configuration can be used one it is complete
Platform.Docked, do not limited by equipment operating environment with Cloud Server using WEB terminal, without walking about, only need a user terminal
The equipment that (including PC, mobile phone, flat board etc.) may be coupled to network, it is more convenient that more conditions of patients are supervised in real time
Control is checked and carries out corresponding diagnostic feedback.
The system is acquired filtering by microphone to the faint voice biometric signal in heart atrium etc., passes through high property
The voice signal of collection is converted into data signal and is pre-stored in SD card by energy audio encoding and decoding chip.It will be corresponded to by WIFI
Data signal is sent to distal end Cloud Server, and when receiving diagnosis message, tentative diagnosis knot can be checked by user terminal
Fruit, in the environment of no network, common stethoscope can be used as by earphone or loudspeaker and used, WEB terminal uses PHP language
A web page platform is built, carrying out data with server docks, the voice data of real-time reception and the upload of playback equipment end, doctor
By checking WEB page, patient heartbeats' sound or shape information can be monitored in real time, can also be transferred historical information and be carried out pair
Than.
The system, which solves traditional auscultation equipment, can only tackle the aspectant occasion of doctors and patients, and application surface is small, using ineffective
It is living, and diagnosis process has larger subjectivity, makes the scientific problem declined of diagnostic result, the electronic auscultation of the system
Device can effectively remove unnecessary noise, improve the sound effect of auscultation while conventional stethoscope function is retained, moreover,
Add the digitlization of acoustic information and the function of information storage in system, it is convenient compared with the history state of an illness, while by number
According to Cloud Server is sent to, as long as doctor just can complete auscultation by Internet, and online play and waveform displaying work(is provided
Can, by observing waveform come analysing patient's condition, the flexibility of diagnosis and treatment between doctors and patients is not only increased, while also improve diagnosis
Science, facilitate more doctor's Cooperative consultations, and transfer data to high in the clouds and also comply with current internet development trend, rely on
Network just can remotely complete to diagnose auscultation mode it is flexible, it is convenient, without the time and the characteristics of territory restriction, surmounted traditional sense
Auscultation, a kind of efficiently diagnosis and treatment means are provided for remote emergency treatment, to sudden illness and the long distance monitoring of the old,weak,sick and disabled
There is certain advantage.
Claims (2)
1. a kind of remote wearable electronic auscultation system based on high in the clouds, including：
Cloud Server：With internet communication function；
Electronic auscultation device：With WIFI communication function, Cloud Server is sent to for gathering voice data, and by WIFI；
User terminal：With internet communication function, for showing diagnostic data and diagnostic result that Cloud Server sends over；
It is characterized in that：
The electronic auscultation device includes slave computer and the audio collection module being connected with the slave computer, and the slave computer includes master
Control chip and audio processing modules, storage module and the WIFI communication module electrically connected with the main control chip, the audio are adopted
Collection module is connected with the audio processing modules；
The audio collection module includes auscultation head and microphone；
The audio processing modules include prefilter, and the audio collection module connects the input of the prefilter,
The output end of the prefilter is connected with audio digital to analog converter, and the output end connection of the audio digital to analog converter is active
Rate amplifier；
The prefilter is active low-pass filter；The active low-pass filter includes comparator U, resistance R1, resistance
R2, electric capacity C2, electric capacity C1, resistance R3 and resistance R4, resistance R1 and the latter termination comparator U of resistance R2 series connection input in the same direction
End, another termination input signal, electric capacity C2 termination comparator U input in the same direction, other end ground connection, electric capacity C1 one end
After connecting resistance R1 and resistance R2 node, another termination comparator U output end, resistance R3 and resistance R4 series connection, a termination ratio
Compared with device U output end, the other end is grounded, and resistance R3 and resistance R4 node connect comparator U reverse input end.
2. the remote wearable electronic auscultation system according to claim 1 based on high in the clouds, it is characterised in that the storage mould
Block is MicroSD cards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720277986.6U CN207037660U (en) | 2017-03-21 | 2017-03-21 | Remote portable electronic auscultation system based on cloud |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720277986.6U CN207037660U (en) | 2017-03-21 | 2017-03-21 | Remote portable electronic auscultation system based on cloud |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207037660U true CN207037660U (en) | 2018-02-23 |
Family
ID=61473174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720277986.6U Expired - Fee Related CN207037660U (en) | 2017-03-21 | 2017-03-21 | Remote portable electronic auscultation system based on cloud |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207037660U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108288441A (en) * | 2018-03-17 | 2018-07-17 | 广东迪艾生光电技术有限公司 | A kind of city lighting engineering control system for simulating SD card read-write system and its application |
| CN109009209A (en) * | 2018-07-06 | 2018-12-18 | 广东工业大学 | A kind of Intelligent stethoscope based on cloud |
-
2017
- 2017-03-21 CN CN201720277986.6U patent/CN207037660U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108288441A (en) * | 2018-03-17 | 2018-07-17 | 广东迪艾生光电技术有限公司 | A kind of city lighting engineering control system for simulating SD card read-write system and its application |
| CN109009209A (en) * | 2018-07-06 | 2018-12-18 | 广东工业大学 | A kind of Intelligent stethoscope based on cloud |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201919028U (en) | Smart mobile phone used for real-time monitoring of multiple physiological parameters | |
| CN104958070B (en) | Vital sign monitoring system | |
| CN201939498U (en) | Portable wireless electrocardio, cardiac sound and breath sound collecting terminal device | |
| CN104274202A (en) | Electronic stethoscope and electronic stethoscopy system | |
| CN101986678A (en) | Smart mobile phone for monitoring multiple physiological parameters in real time | |
| CN102048587A (en) | Portable wireless electrocardiogram, cardiac sound and breath sound acquisition, display and storage device | |
| CN201404211Y (en) | Household patient motoring device | |
| CN107233108A (en) | A kind of wearable sticker of acquisition volume message number | |
| CN207037660U (en) | Remote portable electronic auscultation system based on cloud | |
| CN102048586A (en) | Portable wireless electrocardiogram, heart sound and breath sound acquisition terminal device | |
| CN104287722A (en) | Wireless remote multi-user electrocardiograph monitoring system and method | |
| CN202313422U (en) | Portable coronary artery stenosis lossless diagnosis instrument | |
| CN203208020U (en) | Electrocardiogram monitoring system | |
| CN204600521U (en) | A kind of recuperation of the house based on heart sound analysis heart patient remote monitoring system | |
| CN104239260A (en) | Data communication system and method and interface device | |
| CN203138473U (en) | Remote electrocardiograph monitoring system based on global system for mobile communication (GSM) | |
| CN201939499U (en) | Portable wireless electrocardio cardiac/respiratory sound-collecting, displaying and storage device | |
| CN109009209A (en) | A kind of Intelligent stethoscope based on cloud | |
| Wang | Design of ECG acquisition system based on Bluetooth wireless communication | |
| CN110037662A (en) | A kind of heart sound electrocardiosignal synchronous acquisition and wireless transmitting system based on bluetooth | |
| CN202891971U (en) | Cardiopulmonary status and fetal status detection device | |
| CN203290889U (en) | Monitor with urine volume detecting part | |
| CN203564336U (en) | Multi-parameter monitoring system | |
| CN201227282Y (en) | Dress type wireless heart-sound signal monitoring module based on Zigbee | |
| CN210408393U (en) | Heart sound electrocardiosignal synchronous acquisition and wireless transmission system based on bluetooth |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180223 Termination date: 20200321 |