CN213940703U - Cough data acquisition device - Google Patents

Cough data acquisition device Download PDF

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Publication number
CN213940703U
CN213940703U CN202021935010.1U CN202021935010U CN213940703U CN 213940703 U CN213940703 U CN 213940703U CN 202021935010 U CN202021935010 U CN 202021935010U CN 213940703 U CN213940703 U CN 213940703U
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electrode
cough
microcontroller
body surface
surface diaphragm
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CN202021935010.1U
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林秋声
张文瑶
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Shenzhen Shuliantianxia Intelligent Technology Co Ltd
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Shenzhen Shuliantianxia Intelligent Technology Co Ltd
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Abstract

The utility model discloses a cough data acquisition device, including microcontroller, microphone, electrode module, flesh electricity acquisition chip and communication module, wherein: the microphone is electrically connected with the audio interface of the microcontroller; the microphone is used for collecting a cough sound signal when a user coughs and transmitting the cough sound signal to the microcontroller through the audio interface; the electrode module comprises an electrode which is electrically connected with the myoelectricity acquisition chip; the electrode module is used for collecting body surface diaphragm electric signals when the user coughs and transmitting the body surface diaphragm electric signals to the myoelectric collecting chip; the myoelectricity acquisition chip is electrically connected with the microcontroller; the myoelectricity acquisition chip is used for converting the body surface diaphragm electric signal into a body surface diaphragm digital signal and transmitting the body surface diaphragm digital signal to the microcontroller; the microcontroller is also used for controlling the cough sound signals and the body surface diaphragm digital signals to be sent to terminal equipment through the communication module.

Description

Cough data acquisition device
Technical Field
The utility model belongs to the technical field of the sample collection technique that coughs and specifically relates to a cough data acquisition device is related to.
Background
Cough is a clinical sign of respiratory diseases, is a component in risk assessment of various pulmonary diseases, and has important medical significance for detection and record of cough.
Medical researchers use devices for cough detection to take cough samples from subjects for medical research. At present, some cough detection devices also appear in China, but all the cough detection devices have some defects, for example, the device has too many lead wires, basic activities such as walking of a user are influenced after the cough detection device is worn due to the lead wires, wearing comfort is reduced, the positions of lead electrodes need to be noticed when the cough detection device is used, and wearing is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model provides a cough data acquisition device, electronic equipment and medium.
Specifically, a cough data acquisition device is provided, including:
microcontroller, microphone, electrode module, flesh electricity acquisition chip and communication module, wherein:
the microphone is electrically connected with the audio interface of the microcontroller; the microphone is used for collecting a cough sound signal when a user coughs and transmitting the cough sound signal to the microcontroller through the audio interface;
the electrode module comprises an electrode which is electrically connected with the myoelectricity acquisition chip; the electrode module is used for collecting body surface diaphragm electric signals when the user coughs and transmitting the body surface diaphragm electric signals to the myoelectric collecting chip;
the myoelectricity acquisition chip is electrically connected with the microcontroller; the myoelectricity acquisition chip is used for converting the body surface diaphragm electric signal into a body surface diaphragm digital signal and transmitting the body surface diaphragm digital signal to the microcontroller;
the microcontroller is also used for controlling the cough sound signals and the body surface diaphragm digital signals to be sent to terminal equipment through the communication module.
Optionally, the electrode module includes at least three electrodes, and the at least three electrodes are electrically connected to the myoelectricity collection chip respectively.
Optionally, the device further comprises a housing;
the microcontroller, the myoelectricity acquisition chip and the communication module are positioned in the shell;
the microphone and the at least three electrodes are located on the surface of the housing and on different planes of the housing.
Optionally, the electrode module includes three electrodes, and the three electrodes are respectively a positive electrode, a negative electrode, and a reference electrode.
Optionally, the reference pole is located on a perpendicular bisector of a connecting line between the positive pole and the negative pole.
Optionally, the distance between the positive electrode and the negative electrode is 4 to 6 cm;
the distance between the reference pole and the negative pole is 4-6 cm;
the distance between the reference electrode and the positive electrode is 4-6 cm.
Optionally, the electrode comprises an electrode plate and an electrode cap buckle;
the electrode cap buckle is positioned on the shell and used for being buckled on the electrode plate and connected with the electrode plate; the electrode slice is used for being stuck to the skin of a user.
The utility model provides a cough data acquisition device adopts microphone collection user's cough sound signal, relies on electrode module to gather human surface diaphragm electric signal, and through myoelectricity collection chip with diaphragm electric signal conversion for digital form, at last diaphragm signal and sound signal transmit terminal equipment with wireless transmission's mode to carry out data analysis, obtain the analysis result, use in order to provide medical researchers and do further deep research. The device uses the electrode module to collect human body surface diaphragm signals, is different from redundant lead wires such as myoelectricity collection lines between a sensor and a collection box device in a common collection device, influences basic activities such as walking of a user after wearing and reduces wearing comfort due to the lead wires, and is inconvenient to wear due to the fact that the position of each lead electrode needs to be noticed when the device is used. The device has simplified the wearing mode, and the disguise is good, more does benefit to the protection user privacy.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the background art, the drawings required to be used in the embodiments will be briefly described below.
Fig. 1 is a schematic structural diagram of a cough data collecting device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another cough data collecting device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of another cough data collecting device according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a cough data processing system according to an embodiment of the present invention.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The terms "first," "second," and the like in the description and in the claims, and in the drawings described above, are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The embodiments of the present invention will be described below with reference to the drawings in the embodiments of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a cough data collecting device according to an embodiment of the present invention. As shown in fig. 1, the cough data collecting device 100 includes a microcontroller 101, a microphone 102, an electrode module 103, a myoelectricity collecting chip 104 and a communication module 105, wherein:
the microphone 102 is electrically connected to the audio interface of the microcontroller 101; the microphone 102 is configured to collect a cough sound signal generated when a user coughs, and transmit the cough sound signal to the microcontroller 101 through the audio interface;
the electrode module 103 comprises an electrode electrically connected with the myoelectricity acquisition chip 104; the electrode module 103 is configured to collect a body surface diaphragm electrical signal generated when the user coughs, and transmit the body surface diaphragm electrical signal to the myoelectric collection chip 104;
the myoelectricity collecting chip 104 is electrically connected with the microcontroller 101; the myoelectricity acquisition chip 104 is used for converting the body surface diaphragm electric signal into a body surface diaphragm digital signal and transmitting the body surface diaphragm digital signal to the microcontroller 101;
the microcontroller 101 is further configured to control the cough sound signal and the body surface diaphragm digital signal to be transmitted to a terminal device through the communication module 105.
In an optional embodiment, the electrode module 103 includes at least three electrodes, and the at least three electrodes are electrically connected to the myoelectric acquisition chip 104, respectively. The quantity of above-mentioned electrode can be set as required, the embodiment of the utility model provides a do not limit to this.
Optionally, the communication module 105 is a bluetooth module.
The cough data acquisition device in the embodiment of the application can solve the following problems:
(1) compared with a general acquisition device which only acquires cough sound signals through a sound sensor, the acquisition of body surface diaphragm signals during cough is increased, and the correction and identification of cough are carried out by combining myoelectric signals, so that the problems that the cough identification accuracy is low and false identification is easily caused by interference of similar cough sounds in the surrounding environment are solved;
(2) the electrode module can directly contact human skin through the electrodes to collect the electric signals of the body surface diaphragm without complex external leads, so that the problems that basic activities such as walking of a user are influenced after wearing the device and the wearing comfort is reduced due to the fact that the leads are too many and long and the leads exist are solved, and the problem that the wearing is inconvenient because the positions of the lead electrodes need to be noticed when a common device is used is solved;
(3) because the cough is corrected and identified by the electromyographic signals, the requirement on the accuracy rate of cough acquisition and identification of the microphone can be relatively reduced, the microphone does not need to be externally connected to a collar of a user by a lead, and the problems of insufficient concealment and incapability of well protecting the privacy of a testee in use can be solved.
Specifically, the device is worn by a user, and can be in a real-time data acquisition state after a power switch is turned on, namely, the microphone 102 can always acquire sound signals, and the myoelectricity acquisition chip 104 can always acquire body surface diaphragm electric signals. The cough belongs to sound waves, the microphone 102 may be a digital microphone, and during the acquisition process, the device may convert the cough sound waves of the user into analog electrical signals through a digital microphone sensor, and then the analog electrical signals are converted into digital signals by an ADC circuit inside the digital microphone, and the digital signals are input to the microcontroller 101 in the form of Pulse Density Modulation (PDM) waves for processing, and finally, digital signals of the cough sound waves of the user are acquired.
The myoelectricity collection chip 104 may adopt an analog front-end chip of a 24-bit ADC for measuring a biological potential: ADS 1292. The body surface diaphragm electric signal is a weak biological potential of a human body, and the device can lead the biological potential of the human body to the input end of the analog front-end chip to enter the chip through the electrode electric sheet. A Programmable Gain Amplifier (PGA) is arranged in the chip, and after buffering and amplification of the PGA, the biopotential is converted into a digital signal by a 24-bit ADC, and the digital signal is received and processed by the microcontroller 101 to acquire a body surface diaphragm electrical signal of the user.
In an embodiment, the microcontroller 101 may determine the acquired sound signal, determine whether the sound signal is a cough sound signal, and when the cough sound signal is detected, may acquire a body surface diaphragm electrical signal of a time corresponding to the cough sound signal and mark the body surface diaphragm electrical signal to form a mapping relationship between the cough sound signal and the body surface diaphragm electrical signal, so as to provide the mapping relationship to the terminal for further statistical analysis processing.
Referring to fig. 2, fig. 2 is a schematic structural diagram of another cough data collecting device according to an embodiment of the present invention. As shown in fig. 2, the cough data collecting apparatus 200 includes:
the system comprises a USB interface 201, a charging management module 202, a battery 203, a digital microphone 204, a myoelectricity acquisition chip 205, a Bluetooth MCU (206) and three electrodes (207, 208 and 209); the Bluetooth MCU comprises a Bluetooth communication module 61;
optionally, the myoelectricity collection chip 205 may be an analog front end chip ADS1292 of a 24-bit ADC for measuring a biopotential, the bluetooth MCU (206) may be a chip APOLLO3 MCU or an AMA3B1KK-KBR, the charging management module 202 may be a chip TP4054, and the digital microphone 204 may be a chip MP34DT 01;
the USB interface 201 is electrically connected to the charging management module 202, and can implement data transmission and/or charging functions; the charging management module 202 is electrically connected to the battery 203, and the charging management module 202 is configured to charge the battery 203; the battery 203 may be a lithium battery for powering circuitry within the device 200.
Wherein, the three electrodes (207, 208, 209) are respectively and electrically connected with the myoelectricity acquisition chip 205; the digital microphone 204 is electrically connected to a Pulse Density Modulation (PDM) interface of the bluetooth MCU (206).
Specifically, 3 electrodes (207, 208, 209) can collect the body surface diaphragm electric signals when the subject coughs through the myoelectric collection chip 205.
The embodiment of the utility model provides a diaphragm mentioned is human main muscle of breathing in, and diaphragm muscle electricity activity can reflect respiratory condition, and the diaphragm also can produce the diaphragm electric signal when the testee coughs, also is that there is certain relevance diaphragm electric signal and cough, analyzes through gathering body surface diaphragm electric signal, can obtain the useful data of reaction cough condition.
Because the collected body surface diaphragm electric signals of the tested person are not other persons, other similar cough sounds in the surrounding environment or cough sound signals of other persons cannot influence the body surface diaphragm electric signals, and the interference of other similar cough sounds or cough sound signals of other persons in the surrounding environment can be filtered by combining the collected cough sound signals of the tested person and the body surface diaphragm electric signals to perform proper algorithm processing, so that the accuracy of intelligent cough identification is improved.
The embodiment of the utility model provides an in can use bluetooth low energy MCU (206) as main control chip for cough sound signal and body surface diaphragm electric signal data when control digital microphone and flesh electricity acquisition chip acquire the user and cough. Meanwhile, the acquired data can be wirelessly transmitted to the terminal equipment by using the Bluetooth communication module 61 of the Bluetooth MCU (206), so that the wireless transmission of the acquired data is completed.
Referring to fig. 3, fig. 3 is a schematic structural diagram of another cough data collecting device according to an embodiment of the present invention. As shown in fig. 3, the cough data collecting device 300 includes a housing 310, such as a surface of a gray cuboid;
the system also comprises a microcontroller, a microphone 302, an electrode module, a myoelectricity acquisition chip and a communication module; the electrode module comprises three electrodes, namely a positive electrode 31, a negative electrode 32 and a reference electrode 33;
the microcontroller, the myoelectricity acquisition chip and the communication module are located inside the shell 310 and are not marked in the figure;
the microphone 302 and the three electrodes are located on the surface of the housing 310 and on different planes of the housing 310. As shown in fig. 3, the microphone 302 is located on the front side, i.e., surface a, of the housing 310, and the three electrodes are each located on the back side, i.e., surface opposite a, of the housing 310. So that when the three electrodes are attached to the skin of the user to collect the electric signals of the body surface diaphragm, the data collection of the microphone 302 is not affected.
Wherein the reference electrode 33 is located on a perpendicular bisector of a line connecting the positive electrode and the negative electrode.
Optionally, the distance between the positive electrode 31 and the negative electrode 32 is 4 to 6 cm; the distance between the reference electrode 33 and the negative electrode 32 is 4 to 6 cm; the above-mentioned reference utmost point 33 and the interval of above-mentioned positive pole 31 are 4 to 6 centimetres, for example, and the distance between the three electrode in the embodiment shown in fig. 3 can be 5 centimetres, can adjust the position of above-mentioned electrode according to the type and the human structure of gathering the signal, can confirm through the experiment, the embodiment of the utility model provides a do not limit this.
In one embodiment, the electrode comprises an electrode sheet and an electrode cap buckle;
the electrode cap buckle is positioned on the shell and is used for buckling on the electrode plate and connecting with the electrode plate; the electrode plate is used for being stuck to the skin of a user.
Specifically, the three electrodes are arranged, and the main function is to reduce common-mode signal interference and improve the signal-to-noise ratio of the diaphragm electric signal. The electrode slice at the electrode 31 can be pasted at the intersection point between the 6 th and 7 th ribs and the midline of the ribs, and the electrode slice at the electrode 32 can be pasted at the intersection point between the 6 th and 7 th ribs and the midline of the ribs, which is close to the left heart of a person, so as to collect the body surface diaphragm electric signals when a user coughs.
The electrode plate can be a common electrocardioelectrode plate. In the aspect of wearing, can buckle the electrode slice on the device through the electrode cap earlier, tear the protective layer back, find approximate position, then paste human chest below diaphragm position department can, because the position relatively fixed of three electrode cap on the device, so as long as the direction of pasting is correct roughly correct with the position, just can guarantee the correctness of wearing, do not need the user to discern which leads and connects the problem of which position electrode slice, reduce the emergence that the electrode of leading placed the mistake, greatly simplify and wear the process.
Because the microphone for collecting the sound signals is arranged on the device, and a lead is not used for leading out and is placed on the collar of the testee or other parts of the human body, the concealment is improved, the microphone cannot be found by other people in the process that the testee receives cough collection, the psychological rejection of other people is avoided, and the normal daily activities of the testee are protected.
The utility model discloses a cough data acquisition device is applicable to medical researcher and is used for gathering the cough sample to the testee, and then does the relevant research of cough and disease. The utility model discloses the scheme adopts the form fixing device who directly pastes, can paste whole collection system in human right side belly diaphragmatic muscle position through three electrode slice, rely on three electrode to pick up human surface diaphragmatic muscle signal of telecommunication, pass through myoelectricity collection chip again and convert diaphragmatic muscle signal of telecommunication into digital form signal, adopt digital microphone to gather people's cough sound signal back again, at last diaphragmatic muscle signal of telecommunication and sound signal transmit out with wireless transmission's mode, can transmit the analysis of doing data on mobile phone APP serves, it provides medical researchers and does further deep research use to obtain the analysis result.
Compare with general cough collection system, the utility model discloses no matter be the data acquisition of sensor end, still transmit data, all avoided the appearance of lead wire, realize the wireless ization of device, make wear to remove the vexation that the lead wire influences the activity from a variety.
Referring to fig. 4, fig. 4 is a schematic diagram of a cough data processing system according to an embodiment of the present invention, and as shown in fig. 4, the cough data processing system 400 includes a cough data collecting device 41 and a terminal device 42;
the cough data acquisition device 41 is responsible for acquiring a cough signal, and transmitting the cough signal to a terminal device 42, such as an APP end of a mobile phone, through wireless transmission.
The terminal device 42 is mainly responsible for analyzing and processing the cough signal, and for example, may perform the following main functions:
1. identifying the cough, marking the cough position, and removing the voice in the non-cough interval in the recording file to protect the privacy of the patient;
2. the cough signal is stored at the terminal device 42, and may be stored locally, in particular, by means of an APP installed in the terminal device 42.
3. Viewing and playing a historical cough record;
4. counting the cough times, analyzing the cough intensity and generating a report.
The specific structure of the cough data acquisition device 41 may refer to the specific description in the embodiment shown in fig. 1 and/or fig. 2, and is not described herein again. There may be other data processing steps in the terminal device 42, which is not limited by the embodiment of the present invention.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.

Claims (9)

1. The utility model provides a cough data acquisition device which characterized in that, includes microcontroller, microphone, electrode module, flesh electricity acquisition chip and communication module, wherein:
the microphone is electrically connected with the audio interface of the microcontroller; the microphone is used for collecting a cough sound signal when a user coughs and transmitting the cough sound signal to the microcontroller through the audio interface;
the electrode module comprises an electrode which is electrically connected with the myoelectricity acquisition chip; the electrode module is used for collecting body surface diaphragm electric signals when the user coughs and transmitting the body surface diaphragm electric signals to the myoelectric collecting chip;
the myoelectricity acquisition chip is electrically connected with the microcontroller; the myoelectricity acquisition chip is used for converting the body surface diaphragm electric signal into a body surface diaphragm digital signal and transmitting the body surface diaphragm digital signal to the microcontroller;
the microcontroller is also used for controlling the cough sound signals and the body surface diaphragm digital signals to be sent to terminal equipment through the communication module.
2. The cough data acquisition device according to claim 1, wherein the electrode module comprises at least three electrodes, and the at least three electrodes are electrically connected with the myoelectricity acquisition chip respectively.
3. The cough data collection device of claim 2, further comprising a housing;
the microcontroller, the myoelectricity acquisition chip and the communication module are positioned in the shell;
the microphone and the at least three electrodes are located on the surface of the housing and on different planes of the housing.
4. The cough data collecting device of claim 2 or 3, wherein said electrode module comprises three electrodes, said three electrodes being respectively a positive electrode, a negative electrode and a reference electrode.
5. The cough data collection device of claim 4, wherein the reference pole is located on a perpendicular bisector of the positive and negative connecting lines.
6. The cough data acquisition device of claim 5, wherein:
the distance between the anode and the cathode is 4-6 cm;
the distance between the reference pole and the negative pole is 4-6 cm;
the distance between the reference electrode and the positive electrode is 4-6 cm.
7. The cough data acquisition device of claim 3 wherein the electrodes comprise electrode pads and electrode caps;
the electrode cap buckle is positioned on the shell and used for being buckled on the electrode plate and connected with the electrode plate; the electrode slice is used for being stuck to the skin of a user.
8. The cough data collection device of claim 2, wherein the communication module is a bluetooth module.
9. The cough data collecting device according to claim 2, further comprising a charging management module and a battery, wherein the charging management module is electrically connected to the battery, and the charging management module is configured to charge the battery; the battery is used to power circuitry within the device.
CN202021935010.1U 2020-09-07 2020-09-07 Cough data acquisition device Active CN213940703U (en)

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Application Number Priority Date Filing Date Title
CN202021935010.1U CN213940703U (en) 2020-09-07 2020-09-07 Cough data acquisition device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021935010.1U CN213940703U (en) 2020-09-07 2020-09-07 Cough data acquisition device

Publications (1)

Publication Number Publication Date
CN213940703U true CN213940703U (en) 2021-08-13

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Application Number Title Priority Date Filing Date
CN202021935010.1U Active CN213940703U (en) 2020-09-07 2020-09-07 Cough data acquisition device

Country Status (1)

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CN (1) CN213940703U (en)

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