CN205514664U - Electronic bluetooth stethoscope - Google Patents
Electronic bluetooth stethoscope Download PDFInfo
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- CN205514664U CN205514664U CN201520962705.1U CN201520962705U CN205514664U CN 205514664 U CN205514664 U CN 205514664U CN 201520962705 U CN201520962705 U CN 201520962705U CN 205514664 U CN205514664 U CN 205514664U
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- stethoscope
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- power supply
- sound transducer
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Abstract
The utility model relates to an electronic bluetooth stethoscope, a serial communication port, the atomizer include atomizer shell be provided with medicine glass, air supply fan, control valve and CPU logic control circuit in the atomizer shell, atomizer shell passes through the tube coupling and inhales the face guard, it is provided with pressure flow sensor in the pipeline that inhales the face guard to let in. This technical scheme overall structure design benefit guarantees that the atomizing liquid medicine of the only little volumes of the medical hyperacoustic in -process of user normal use flows from the gas vent.
Description
Technical field
This utility model relates to a kind of stethoscope, particularly to a kind of electronics bluetooth stethoscope, belongs to technical field of medical equipment.
Background technology
Stethoscope is the diagnosis apparatus that inside and outside woman doctor is the most frequently used, is the mark of doctor, and modern medicine i.e. starts from stethoscopic invention.Stethoscope is since on March 8th, 1817 is applied to clinic, and profile and acoustic mode have constantly improvement, but the change of its basic structure is little, is mainly also referred to as chest piece by pickup part, and conduction portion is also referred to as sebific duct and audition part is also referred to as ear piece composition；Along with society's aging problem is day by day serious, the problem of medical institutions' inadequate resource increasingly highlights, domestic medicine, and the concept of portable medical is risen, can be at the pressure of family's aspect dispersion medical treatment and nursing demand.Stethoscope is as a armarium the most basic, it uses the history of the most about 200 years, and major function is all the auxiliary diagnostic tool as the position such as heart and pulmonary, diagnoses by listening attentively to acoustical signal, but it uses and needs certain professional, is typically completed by doctor.The nearly stage, electronic digit stethoscope is developed, and mainly installs sound transducer additional at auscultation head, is converted into digital signal through A/D again by its signal acquisition (analogue signal), and carry out signal processing, so can reduce noise jamming, the accuracy of raising auscultation.Although signal is processed by these common electronic stethoscopes, contribute to the diagnosis of doctor, but owing to data cannot preserve, cause the auscultated results of patient or waveform to reproduce, being unfavorable for that patient's state of an illness is determined whether by expert, doctor, this is the highest for the dependency of doctor.Many times, patient's burst disease or feel uncomfortable, oneself cannot self testing quickly obtain effective counter-measure.When doctor arrives in, miss optimal treatment period or the state of an illness at that time cannot reappear, judged to doctor and bring the biggest difficulty.In sum, the problem that current electronic digit stethoscope there is also the following aspects: 1) professional higher, patient oneself cannot operate the health that also cannot learn oneself；2) information cannot Real-Time Sharing or preservation, high to doctor's judgement dependency at that time；3) existing electronic stethoscope auscultation scope is narrower, such as: the stethoscope for stethoscope heart sound Yu respiratory murmur is not suitable for auscultation lungs sound, traditional electronic stethoscope is for the different content of auscultation, may need to change probe and even change different stethoscopes, this will cause auscultation process relatively complicated, and diagnosis is inefficient.The most currently it is badly in need of one more intelligent, easily facilitates the electronic digit stethoscope of operation.Those skilled in the art is also continuously attempting to improvement, but the solution that this problem is arrived the most very much.
Summary of the invention
This utility model is just for technical problem present in prior art, provide a kind of electronics bluetooth stethoscope, this technical scheme overall construction design is ingenious, realization can discriminating measurement heart and lung sounds, patient measures and feedback result and suggestion the most in real time, data waveform can preserve to be shared, and diagnoses for subsequent reference.
To achieve these goals, the technical solution of the utility model is as follows: electronics bluetooth stethoscope, it is characterized in that, described electronics bluetooth stethoscope includes auscultation chest piece, conducting subassembly and audition assembly, it is provided with intelligent cell in described auscultation chest piece, described intelligent cell includes that sound transducer, signal processing circuit, microcontroller, Bluetooth circuit and power supply circuits, described power supply circuits are simultaneously connected with sound transducer, signal processing circuit, microcontroller, Bluetooth circuit.
As a kind of improvement of the present utility model, described auscultation chest piece includes metal stainless steel casing and arranges floated adjustable vibration membrane in the enclosure, and described shell is set to cup-shaped.
As a kind of improvement of the present utility model, described sound transducer is electret miaow head, is acquired signal, and sends the signal collected to signal processing circuit, it is installed in metal cup-shaped auscultation chest piece cavity, and is positioned at dead astern, floated adjustable vibration membrane center.
As a kind of improvement of the present utility model, described signal processing circuit is set to bandwidth-limited circuit.According to user select source of sound difference (heart sound, lungs sound, or ...) select suitable filter circuit, be avoided that and effective source of sound filtered.
As a kind of improvement of the present utility model, described power supply circuits are set to chargeable lithium cell and power, and include power supply indicator, are used for indicating Current electronic stethoscope state and low electricity charge prompting.Power supply circuits are that each module in system (sound transducer, signal processing circuit, MCU, Bluetooth circuit) provides power supply.
As a kind of improvement of the present utility model, described sound transducer is electret miaow head, and operating frequency is 20～16000Hz, and sensitivity is-40dB～-40dB.
As a kind of improvement of the present utility model, described sound transducer is installed at floated adjustable vibration membrane rear 3-6mm.
Relative to prior art, advantage of the present utility model is as follows: 1) this utility model overall construction design is ingenious, practical, realization can discriminating measurement heart and lung sounds, patient measures and feedback result and suggestion the most in real time, and data waveform can preserve to be shared, and diagnoses for subsequent reference；2) sound transducer in this technical scheme is placed in inside mechanical type auscultation head, near vibrating diaphragm, gathers signal intensity bigger；3) MCU selects different signal processing circuits (band filter) according to user's frequency acquisition, utilizes different frequency to separate the auscultatory sound source signal of different parts, effectively reduces the interference at other positions in auscultation, can effectively realize noise reduction；4) this electronic stethoscope bluetooth earphone is split type, does not has wire to connect, and that can do is the least, is convenient for carrying, and digital signal relative analog signal transmission noise is low, and distortion is little, can reduce the true heart sound of patient, lungs sound to greatest extent；5) this technical scheme is controlled by mobile phone A PP, and flexibility ratio is high, adjusts or upgrades conveniently.And Wave data preserves, sharing conveniently, simple to operate, user can grasp the health status of oneself in real time with oneself；6) this technical scheme is provided with low electricity remind, prevents the sound waveform distortion caused owing to cell voltage is too low, doctor's false judgment that the problems such as AD conversion is abnormal cause.
Accompanying drawing explanation
Fig. 1 is this utility model intelligent cell operation principle schematic diagram；
Fig. 2 is this utility model overall structure schematic diagram；
Fig. 3 is signal processing circuit schematic diagram；
Fig. 4 is that this utility model controls surface chart；
Fig. 5 is this utility model overall structure schematic diagram；
In figure: 1, auscultation chest piece, 2, sound transducer, 3, signal processing circuit, 4, microcontroller, 5, Bluetooth circuit, 6, power supply circuits, 7, power supply indicator.
Detailed description of the invention
In order to strengthen being appreciated and understood by of the present utility model, with detailed description of the invention, this utility model is further described below in conjunction with the accompanying drawings.
Embodiment
1
:
See Fig. 1, Fig. 2, Fig. 5, electronics bluetooth stethoscope, described electronics bluetooth stethoscope includes auscultation chest piece 1, conducting subassembly and audition assembly, it is provided with intelligent cell in described auscultation chest piece, described intelligent cell includes sound transducer 2, signal processing circuit 3, microcontroller 4, Bluetooth circuit 5 and power supply circuits 6, described power supply circuits 6 are simultaneously connected with sound transducer 2, signal processing circuit 3, microcontroller 4, Bluetooth circuit 5, in use, this stethoscope can stethoscope heart sound, lungs sounds etc., select to need the frequency of auscultation by mobile phone A PP；Sound that different body part sends can be efficiently separated thus improve information gathering precision, the corresponding different auscultated sound of different frequencies, such as: heart sound frequency acquisition is 30～500Hz, lungs sound frequency acquisition is 100～1000Hz, meanwhile, MCU selects different band filters for different frequency acquisitions, utilizes different frequency to isolate the auscultation of different parts, effectively reduce the interference at other positions in auscultation, thus effectively realize the purpose of noise reduction.
Embodiment 2 :See Fig. 1, Fig. 2, as a kind of improvement of the present utility model, described auscultation chest piece includes metal stainless steel casing and arranges floated adjustable vibration membrane in the enclosure, described shell is set to cup-shaped, portion of the handle is that plastics are made, because metal has stronger shielding action to Bluetooth signal, and PROCESS FOR TREATMENT is smooth, frictional resistance when reducing finger grip and the noise jamming that causes.Remaining structure is identical with embodiment 1 with advantage.
Embodiment 3 :See Fig. 1, Fig. 2, as a kind of improvement of the present utility model, described sound transducer is electret miaow head, operating frequency is 20～16000Hz, sensitivity is-40dB～-40dB, is acquired signal, and sends the signal collected to signal processing circuit, it is installed in metal cup-shaped auscultation chest piece cavity, and is positioned at dead astern, floated adjustable vibration membrane center.Described sound transducer is installed at floated adjustable vibration membrane rear 3-6mm, at preferably 5mm, it is ensured that sensor acquisition signal intensity is the biggest；Described microcontroller coordinates each component working, and realizes AD conversion, the speech simulation waveform after filtered is carried out numeral conversion, preserves and send bluetooth module transmission；The data that described Bluetooth circuit is responsible for being transmitted by MCU send to mobile receiving terminal, such as computer/mobile phone/bluetooth earphone etc..MCU is as the brain of electronics bluetooth stethoscope, and its major function is to be AD converted by the signal after noise reduction as digital signal, and is communicated with mobile phone A PP by bluetooth module, receives order, sends data；The most also set up with bluetooth earphone and contact, control voice signal output.In the present embodiment, MCU can be served as by the single-chip microcomputer that AD conversion resolution is high, and for ensureing the precision of output waveform, AD conversion precision is at least 16.Remaining structure is identical with embodiment 1 with advantage.
Embodiment 4 :Seeing Fig. 1-Fig. 3, as a kind of improvement of the present utility model, described signal processing circuit is set to bandwidth-limited circuit.According to user select source of sound difference (heart sound, lungs sound, or ...) select suitable filter circuit, be avoided that and effective source of sound filtered.Signal processing circuit is disturbed for signal de-noising, decay noise in addition to effective source of sound, signal de-noising as described in environment noise relies on different band filters to realize, digital signal through processing can directly be passed the signal along in one or more bluetooth earphone by Bluetooth circuit, it is possible to achieve a people or many people auscultation simultaneously.The present embodiment, for isolate below 500Hz cardiechema signals use signal processing circuit as it is shown on figure 3, wherein resistance R1, R2 be 3.3K Europe, R3, R4 are 1K Europe, and electric capacity C1, C2 are 0.1uF；This is second order active low pass filter, relative passive filter, and it has high input impedance and high output impedance, can realize low frequency signal without gain reduction, and frequency response is good.Remaining structure is identical with embodiment 1 with advantage.
Embodiment 5 :Seeing Fig. 1, Fig. 2 to improve as one of the present utility model, described power supply circuits are set to chargeable lithium cell and power, and include power supply indicator, are used for indicating Current electronic stethoscope state and low electricity charge prompting.Power supply circuits are that in system, each module includes sound transducer, signal processing circuit, MCU, and Bluetooth circuit etc. provides power supply.In this technical scheme, power supply circuits provide for the power supply of electronic stethoscope, and comprise a power supply indicator LED, LED Chang Liang when stethoscope work and cell voltage are normal, when detecting cell voltage and being too low, LED flashes warning, thus can avoid the sound waveform distortion caused owing to cell voltage is too low, the generation of the problems such as AD conversion is abnormal, use lithium battery power supply, lithium battery shape is little light, and chargeable.Remaining structure is identical with embodiment 1 with advantage.
Operation principle: see Fig. 1 Fig. 4, during use, common Android mobile phone or i Phone, the present embodiment application APP is installed, enters APP and control interface, such as Fig. 4, this figure is waveform display area, indicates and be followed successively by from left to right in figure: searches for bluetooth, connection equipment, share, arrange；Search bluetooth is also successfully connected electronic stethoscope, i.e. available handsets controls electronics bluetooth stethoscope switch, frequency selects, bluetooth earphone volume controls, also the digital signal that stethoscope returns can be received, and be reduced into analog signal waveform by process and show, can contrast with the waveform in large database concept and data according to actual test waveform simultaneously, determine the type of patient's illnesses, provide diagnosis prompting, diagnosis and treatment suggestion and kinds of Diseases directly show on mobile phone, reach the function of intelligence auscultation.Certainly, patient can also select to preserve for follow-up doctor's reference waveform, or accesses the Internet by GPRS, WIFI etc., is shared by waveform and uploads medical platform, and autonomous referring physician is advised.
It should be noted that above-described embodiment, be not used for limiting protection domain of the present utility model, equivalents done on the basis of technique scheme or replacement each fall within this utility model scope of the claimed protection.
Claims (7)
1. an electronics bluetooth stethoscope, it is characterized in that, described electronics bluetooth stethoscope includes auscultation chest piece, conducting subassembly and audition assembly, it is provided with intelligent cell in described auscultation chest piece, described intelligent cell includes that sound transducer, signal processing circuit, microcontroller, Bluetooth circuit and power supply circuits, described power supply circuits are simultaneously connected with sound transducer, signal processing circuit, microcontroller, Bluetooth circuit.
Electronics bluetooth stethoscope the most according to claim 1, it is characterised in that described auscultation chest piece includes metal stainless steel casing and arranges floated adjustable vibration membrane in the enclosure, and described shell is set to cup-shaped.
Electronics bluetooth stethoscope the most according to claim 2, it is characterized in that, described sound transducer is electret miaow head, signal is acquired, and send the signal collected to signal processing circuit, it is installed in metal cup-shaped auscultation chest piece cavity, and is positioned at dead astern, floated adjustable vibration membrane center.
Electronics bluetooth stethoscope the most according to claim 3, it is characterised in that described signal processing circuit is set to bandwidth-limited circuit.
Electronics bluetooth stethoscope the most according to claim 4, it is characterised in that described power supply circuits are set to chargeable lithium cell and power, and also include power supply indicator, is used for indicating Current electronic stethoscope state and low electricity charge prompting.
6., according to the electronics bluetooth stethoscope described in claim 3 or 4, it is characterised in that described sound transducer is electret miaow head, operating frequency is 20～16000Hz, and sensitivity is-40dB～-40dB.
Electronics bluetooth stethoscope the most according to claim 6, it is characterised in that described sound transducer is installed at floated adjustable vibration membrane rear 3-6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520962705.1U CN205514664U (en) | 2015-11-27 | 2015-11-27 | Electronic bluetooth stethoscope |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520962705.1U CN205514664U (en) | 2015-11-27 | 2015-11-27 | Electronic bluetooth stethoscope |
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| CN205514664U true CN205514664U (en) | 2016-08-31 |
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| CN201520962705.1U Active CN205514664U (en) | 2015-11-27 | 2015-11-27 | Electronic bluetooth stethoscope |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112807013A (en) * | 2021-01-25 | 2021-05-18 | 合肥德铭电子有限公司 | Medical stethoscope system and using method thereof |
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2015
- 2015-11-27 CN CN201520962705.1U patent/CN205514664U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112807013A (en) * | 2021-01-25 | 2021-05-18 | 合肥德铭电子有限公司 | Medical stethoscope system and using method thereof |
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