CN214387499U - Electronic stethoscope based on Bluetooth technology - Google Patents
Electronic stethoscope based on Bluetooth technology Download PDFInfo
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- CN214387499U CN214387499U CN202022747271.7U CN202022747271U CN214387499U CN 214387499 U CN214387499 U CN 214387499U CN 202022747271 U CN202022747271 U CN 202022747271U CN 214387499 U CN214387499 U CN 214387499U
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Abstract
The utility model discloses an electron stethoscope based on bluetooth, including signal acquisition module, amplify filter circuit, DSP processing circuit and bluetooth sending module, signal acquisition module includes the sensor, the sensor is connected with amplify filter circuit, amplify filter circuit and DSP processing circuit and be connected, DSP processing circuit is connected with bluetooth sending module, bluetooth sending module sends heart sound data to receiving equipment, receiving equipment includes bluetooth receiving module, storage module and audio output module, bluetooth receiving module is connected with storage module and audio output module respectively. The utility model processes the original heart sound signal through the amplifying and filtering circuit and the DSP processing circuit, so that the heard heart sound is clearer and louder; the utilization of the wireless transmitting and receiving technology of the Bluetooth solves the problems that the sound transmission tube of the traditional stethoscope is easy to break and short in use distance, and realizes the storage, remote transmission and diagnosis of heartbeat sound data.
Description
Technical Field
The utility model relates to a stethoscope technical field especially relates to an electron stethoscope based on bluetooth.
Background
The stethoscope is the most commonly used diagnostic tool for internal and external gynecologists, is the mark of the physicians, and the modern medicine is the invention of the stethoscope. The stethoscope has been improved in appearance and sound transmission mode since the clinical application of 3.8.3.1817, but the basic structure of the stethoscope is not changed greatly, and the stethoscope mainly comprises a sound pickup part (a chest piece), a transmission part (a rubber tube) and a listening part (an ear piece).
The material of the sound transmission pipeline of traditional stethoscope is PVC generally, and the audio is good, and is pleasing to the eye, but this kind of acoustics stethoscope noise is high, and anti tensile properties is poor, often crooked, easy rupture after tensile to application distance is short, and auscultation sound data can not be preserved, also can not realize long-range transmission data and remote diagnosis.
The above disadvantages need to be improved.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides an electronic stethoscope based on the Bluetooth technology.
The utility model discloses technical scheme as follows:
an electronic stethoscope based on Bluetooth technology comprises a signal acquisition module, an amplifying and filtering circuit, a DSP processing circuit and a Bluetooth sending module, wherein the signal acquisition module comprises a sensor, the sensor is connected with the amplifying and filtering circuit, the amplifying and filtering circuit is connected with the DSP processing circuit, the DSP processing circuit is connected with the Bluetooth sending module, the Bluetooth sending module sends heart sound data to a receiving device,
the receiving device comprises a Bluetooth receiving module, a storage module and an audio output module, wherein the Bluetooth receiving module is respectively connected with the storage module and the audio output module.
According to above-mentioned scheme the utility model discloses, its characterized in that, amplify filter circuit DSP processing circuit and bluetooth sending module sets up on the mainboard of electron stethoscope.
According to above-mentioned scheme the utility model discloses, a serial communication port, the top of mainboard is provided with the sensor interface, the sensor with sensor interface connection.
According to above-mentioned scheme the utility model discloses, its characterized in that is located one side of sensor interface is provided with the USB interface, the USB interface with DSP processing circuit connects.
According to the above scheme the utility model discloses, a serial communication port, one side of mainboard is provided with bluetooth antenna interface, bluetooth antenna interface and bluetooth antenna, bluetooth antenna with bluetooth sending module connects.
According to above-mentioned scheme the utility model discloses, its characterized in that is located the below of bluetooth antenna interface still is provided with power key and pilot lamp, the power key with the pilot lamp all with DSP processing circuit connects.
According to above scheme the utility model discloses, a serial communication port, the middle part of mainboard still is provided with the battery, the USB interface through the module of charging with the battery is connected, the battery with DSP processing circuit connects.
According to above-mentioned scheme the utility model discloses, its characterized in that is located the below of battery is provided with the battery pad, the battery pad with wire welding on the battery.
According to above-mentioned scheme the utility model discloses, its characterized in that is located the below of battery still is provided with the earphone interface, the earphone interface is connected with the earphone.
According to above scheme the utility model discloses, a serial communication port, the opposite side of mainboard still is provided with the volume button, the volume button with DSP processing circuit connects.
According to the above scheme the utility model discloses, its beneficial effect lies in:
1. the stethoscope has the advantages of small and attractive appearance, convenient carrying and use, good radio effect, adjustable volume, improvement of diagnosis accuracy, change of the image of the stethoscope in the heart of people, and high popularity of doctors and patients.
2. The processing of original heart sound signals through the amplifying and filtering circuit and the DSP processing technology amplifies the electric signals to be converted and reduces noise, and the problem of high noise of an acoustic stethoscope is solved, so that heartbeat sounds heard by a doctor are clearer and louder.
3. The wireless transmitting and receiving technology of the Bluetooth is adopted, the problems that a sound transmission tube of a traditional stethoscope is easy to break and short in use distance are solved, signal transmission is safe and reliable, the anti-interference capability is high, and the influence on the surrounding environment cannot be generated.
4. The heartbeat data can be sent to the receiving equipment in a wireless remote mode, diagnosis can be conducted at the receiving equipment end, and the heartbeat sound data can be stored.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of the main board of the present invention;
fig. 2 is a system block diagram of the bluetooth electronic stethoscope of the present invention;
fig. 3 is a block diagram of the signal transmission process of the bluetooth electronic stethoscope of the present invention;
fig. 4 is a signal receiving flow diagram of the receiving device of the present invention.
In the figures, the various reference numbers:
1. USB interface, 2, sensor interface, 3, volume button, 4, battery pad, 5, bluetooth antenna, 6, power key, 7, pilot lamp, 8, battery, 9, earphone interface.
Detailed Description
The invention is further described with reference to the following figures and embodiments:
as shown in fig. 1 to 4, an electronic stethoscope based on bluetooth technology includes a signal acquisition module, an amplifying and filtering circuit, a DSP processing circuit, and a bluetooth sending module. The signal acquisition module comprises a sensor, the sensor is connected with an amplifying and filtering circuit, the amplifying and filtering circuit is connected with a DSP processing circuit, the DSP processing circuit is connected with a Bluetooth sending module, the Bluetooth sending module sends heart sound data to a receiving device, the receiving device comprises a Bluetooth receiving module, a storage module and an audio output module, and the Bluetooth receiving module is respectively connected with the storage module and the audio output module.
The sensor is mainly used for collecting the heartbeat of a patient, the vibration of the heartbeat drives the vibrating diaphragm device to drive the coil to generate an electric signal, and then the electric signal collected by the sensor is transmitted to the amplifying and filtering circuit.
Then the electric signal is amplified by the amplifying circuit and filtered by the filter circuit to obtain the amplified electric signal, then the electric signal is converted into a digital signal by the DSP processing circuit, and the noise is reduced by an algorithm to enhance the effective sound, so that ideal heart sound data is obtained.
The heart sound signals obtained after the processing of the DSP processing circuit are sent to the receiving device through the Bluetooth sending module, and after the receiving device is matched with the Bluetooth of the Bluetooth electronic stethoscope, the Bluetooth receiving module of the receiving device receives the heart sound data in real time.
And the storage module in the receiving equipment can store the heart sound data received by Bluetooth. An audio output module in the receiving device may play the heart sound data received via bluetooth. The receiving equipment can remotely receive the heart sound data and carry out remote diagnosis, and can be recorded into a hospital information system to be matched and recorded with the medical record of the patient.
As shown in fig. 1 and fig. 2, a motherboard is further disposed in the bluetooth electronic stethoscope, and an amplification filter circuit, a DSP processing circuit, and a bluetooth sending module are disposed on a surface of the motherboard.
The utility model discloses in, the top on another surface of mainboard is provided with sensor interface 2, and the sensor is connected with sensor interface 2.
Further, a USB interface 1 is arranged on one side of the sensor interface 2, and the USB interface 1 is connected with the DSP processing circuit. The Bluetooth electronic stethoscope can be charged through the USB interface 1.
The utility model discloses in, one side of mainboard is provided with bluetooth antenna 5 interface, and bluetooth antenna 5 interface is connected with bluetooth antenna 5, and bluetooth antenna 5 is connected with bluetooth sending module.
Furthermore, a power key 6 and an indicator light 7 are arranged below the interface of the Bluetooth antenna 5, and the power key 6 and the indicator light 7 are both connected with the DSP processing circuit. The power key 6 realizes the power on-off control, and the indicator light 7 is used for displaying different working states of the Bluetooth electronic stethoscope, for example, the color and the flashing frequency of the indicator light 7 are different in a low-power or charging mode.
The utility model discloses in, the middle part of mainboard still is provided with battery 8, and USB interface 1 is connected with battery 8 through the module that charges, and battery 8 is connected with DSP processing circuit. The battery 8 provides power for the bluetooth electronic stethoscope.
Further, a battery 8 pad 4 is arranged below the battery 8, and the battery 8 pad 4 is welded with a lead on the battery 8.
Furthermore, an earphone interface 9 is arranged below the battery 8, and the earphone interface 9 is connected with an earphone. The wired earphone is inserted into the earphone interface 9 of the Bluetooth electronic stethoscope, and the doctor can hear the heart sound signal of the patient. The heart sound signal can be heard by inserting the earphone device even when the Bluetooth receiving device is not provided.
The utility model discloses in, the opposite side of mainboard is provided with volume button 3, and volume button 3 adds the key and the audio amplifier subtracts the key including the volume, and volume button 3 is connected with DSP processing circuit. The volume key 3 can be used for adjusting the volume of the received heart sound signal in real time, so that a doctor can diagnose the illness state of a patient more accurately.
The utility model discloses in, bluetooth electron stethoscope's working process:
when the system is used, the power key 6 is pressed for a long time to start, the traffic light alternately flickers to indicate that the Bluetooth mode to be connected is entered for waiting connection, meanwhile, the system automatically starts the pickup and the processing of electric signal amplification and filtering, and transmits the processed signals to the earphone interface 9, and the heartbeat sound processed by the pickup end can be received by plugging the earphone; after the bluetooth receiving equipment is matched with the bluetooth electronic stethoscope and connected with the bluetooth electronic stethoscope, the heartbeat sound can be heard in a bluetooth wireless mode, the bluetooth electronic stethoscope can also be connected with a wireless bluetooth earphone, and the heartbeat sound of a patient can be heard at the wireless bluetooth earphone.
The utility model discloses a bluetooth electron stethoscope has following advantage:
1. the stethoscope has the advantages of small and attractive appearance, convenient carrying and use, good radio effect, adjustable volume, improvement of diagnosis accuracy, change of the image of the stethoscope in the heart of people, and high popularity of doctors and patients.
2. The original heart sound signals are processed through the amplifying and filtering circuit and the DSP processing technology, the electric signals needing to be converted are amplified and subjected to noise reduction processing, and the problem that the noise of an acoustic stethoscope is large is solved, so that the heard heartbeat sound is clearer and louder.
3. The wireless transmitting and receiving technology of the Bluetooth is adopted, the problems that a sound transmission tube of a traditional stethoscope is easy to break and short in use distance are solved, signal transmission is safe and reliable, the anti-interference capability is high, and the influence on the surrounding environment cannot be generated.
4. The heart sound data can be remotely transmitted to the receiving equipment in a wireless way, diagnosis can be carried out at the receiving equipment end, and the heart sound data can be stored.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
The above exemplary description of the present invention is made in conjunction with the accompanying drawings, and it is obvious that the present invention is not limited by the above manner, and various improvements made by the method concept and technical solution of the present invention or by directly applying the concept and technical solution of the present invention to other occasions without improvement are all within the protection scope of the present invention.
Claims (6)
1. An electronic stethoscope based on Bluetooth technology is characterized by comprising a signal acquisition module, an amplification filter circuit, a DSP processing circuit and a Bluetooth sending module, wherein the signal acquisition module comprises a sensor, the sensor is connected with the amplification filter circuit, the amplification filter circuit is connected with the DSP processing circuit, the DSP processing circuit is connected with the Bluetooth sending module, the Bluetooth sending module sends heart sound data to a receiving device,
the receiving device comprises a Bluetooth receiving module, a storage module and an audio output module, wherein the Bluetooth receiving module is respectively connected with the storage module and the audio output module;
the amplifying and filtering circuit, the DSP processing circuit and the Bluetooth sending module are arranged on a mainboard of the electronic stethoscope, a sensor interface is arranged above the mainboard, the sensor is connected with the sensor interface, a USB interface is arranged on one side of the sensor interface, and the USB interface is connected with the DSP processing circuit; the middle part of mainboard still is provided with the battery, the USB interface through charge module with the battery is connected, the battery with DSP processing circuit connects.
2. The electronic stethoscope based on Bluetooth technology according to claim 1, wherein a Bluetooth antenna interface is disposed on one side of said main board, said Bluetooth antenna interface is connected to a Bluetooth antenna, and said Bluetooth antenna is connected to said Bluetooth transmitting module.
3. The electronic stethoscope based on Bluetooth technology according to claim 2, wherein a power key and an indicator light are further arranged below the Bluetooth antenna interface, and both the power key and the indicator light are connected with the DSP processing circuit.
4. The electronic stethoscope based on bluetooth technology of claim 1, wherein a battery pad is disposed under said battery, said battery pad being soldered to a wire on said battery.
5. The electronic stethoscope based on Bluetooth technology according to claim 1, wherein an earphone interface is further disposed under said battery, said earphone interface being connected to an earphone.
6. The electronic stethoscope based on Bluetooth technology according to claim 1, wherein a volume button is further disposed on the other side of said main board, and said volume button is connected to said DSP processing circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022747271.7U CN214387499U (en) | 2020-11-24 | 2020-11-24 | Electronic stethoscope based on Bluetooth technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022747271.7U CN214387499U (en) | 2020-11-24 | 2020-11-24 | Electronic stethoscope based on Bluetooth technology |
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| CN214387499U true CN214387499U (en) | 2021-10-15 |
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| CN202022747271.7U Active CN214387499U (en) | 2020-11-24 | 2020-11-24 | Electronic stethoscope based on Bluetooth technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2607156A (en) * | 2021-05-06 | 2022-11-30 | Eko Devices Inc | Systems and methods for electronic stethoscope wireless auscultation |
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2020
- 2020-11-24 CN CN202022747271.7U patent/CN214387499U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2607156A (en) * | 2021-05-06 | 2022-11-30 | Eko Devices Inc | Systems and methods for electronic stethoscope wireless auscultation |
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