CN114796916B - Electroacoustic communication device capable of monitoring respiratory parameters and use method - Google Patents
Electroacoustic communication device capable of monitoring respiratory parameters and use method Download PDFInfo
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- CN114796916B CN114796916B CN202210411022.1A CN202210411022A CN114796916B CN 114796916 B CN114796916 B CN 114796916B CN 202210411022 A CN202210411022 A CN 202210411022A CN 114796916 B CN114796916 B CN 114796916B
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- 238000004891 communication Methods 0.000 title claims abstract description 23
- 238000012544 monitoring process Methods 0.000 title claims abstract description 20
- 230000000241 respiratory effect Effects 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 25
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 72
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 36
- 239000001569 carbon dioxide Substances 0.000 claims description 36
- 230000005236 sound signal Effects 0.000 claims description 16
- 230000003321 amplification Effects 0.000 claims description 10
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 10
- 230000035565 breathing frequency Effects 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 230000005856 abnormality Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 230000002159 abnormal effect Effects 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 description 7
- 238000013461 design Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/02—Masks
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
- A61B5/082—Evaluation by breath analysis, e.g. determination of the chemical composition of exhaled breath
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6802—Sensor mounted on worn items
- A61B5/6803—Head-worn items, e.g. helmets, masks, headphones or goggles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/74—Details of notification to user or communication with user or patient ; user input means
- A61B5/746—Alarms related to a physiological condition, e.g. details of setting alarm thresholds or avoiding false alarms
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/385—Transceivers carried on the body, e.g. in helmets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/385—Transceivers carried on the body, e.g. in helmets
- H04B2001/3866—Transceivers carried on the body, e.g. in helmets carried on the head
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/385—Transceivers carried on the body, e.g. in helmets
- H04B2001/3872—Transceivers carried on the body, e.g. in helmets with extendable microphones or earphones
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The application discloses an electroacoustic communication device capable of monitoring respiratory parameters and a use method thereof, wherein the electroacoustic communication device comprises a wireless receiving and transmitting cavity and a signal acquisition cavity; the wireless receiving and transmitting cavity is arranged outside the gas mask and is connected with the gas mask through the base; the signal acquisition cavity is arranged in the gas mask and is opposite to the mouth position of the human body; the wireless transceiver cavity is internally provided with a wireless transceiver module, an antenna, a Bluetooth module, an audio module group and a power module group, the front surface of the wireless transceiver cavity is provided with a sound amplifying cavity and a key panel, the side surface of the wireless transceiver cavity is provided with an earphone interface and a charging interface, the back surface of the wireless transceiver cavity is provided with a first plug, and the wireless transceiver module, the Bluetooth module, the key panel, the audio module group and the power module group are electrically connected with the microcontroller; the remote emergency call can be carried out, the remote emergency communication problem is solved, the breathing and physiological abnormal parameters of the operators can be monitored and early warned in real time, and the life safety of the operators is guaranteed.
Description
Technical Field
The application belongs to the technical field of breathing mask conversation, and particularly relates to an electroacoustic conversation device capable of monitoring breathing parameters and a use method thereof.
Background
Electroacoustic conversation is an important function of the breathing mask, at present, the electroacoustic conversation function of the existing breathing mask is single, only has the capability of expanding, when workers enter special places such as underground and mountain areas to operate, remote emergency conversation is often needed, the current electroacoustic can not meet the requirement, great inconvenience is brought to the field operation of the workers, meanwhile, the existing electroacoustic can not monitor breathing parameters, the workers enter the field to operate to breathe and physiologically abnormal, monitoring and early warning can not be carried out, and meanwhile, the gas leakage of the breathing mask can not be monitored, so that potential risks are increased for the workers. In view of the above, there is an urgent need to design an electroacoustic device and method for talking which can monitor respiratory parameters.
For example, patent number CN201410598124.4 entitled "gas mask wireless communicator", discloses a gas mask wireless communicator composed of main body, pick-up and earplug receiver, wherein the main body and pick-up compartment are installed at front end of gas mask, and the pick-up is connected with a speaking socket; the main body consists of a shell, a loudspeaker in the shell, a battery, a circuit board and an antenna outside the shell; the shell is provided with a transmission plug and a receiving socket outside, the transmission plug is connected with the transmission socket, and the receiving socket is connected with the earplug receiver; the circuit board is provided with a DSP digital signal processor, an audio codec, a radio frequency transceiver circuit, a radio frequency front-end amplifier and an audio power amplifier; the audio codec analog voice signal input end is connected with the voice transmission plug, the first and second analog voice signal output ends are respectively connected with the audio power amplifier input end and the receiving socket, and the audio power amplifier output end is connected with the loudspeaker; the exhaling passageway of casing lower part corresponds with the exhaling valve of breathing mask, realizes that many people are wireless to talk simultaneously to have the function of expanding the sound and talk concurrently, but do not possess the function of carrying out physiological monitoring to the operating personnel, also can not in time provide the early warning.
Therefore, there is a need to design an electroacoustic device capable of monitoring respiratory parameters and a method for using the electroacoustic device to solve the above problems.
Disclosure of Invention
The application aims to solve the technical problem of providing an electroacoustic communication device capable of monitoring respiratory parameters and a use method thereof, which not only can carry out remote emergency communication and solve the problem of remote emergency communication, but also can monitor and calculate pressure data of a plurality of respiratory intervals by arranging a pressure sensor and a microcontroller, and can effectively detect whether the sealing performance of a mask is good or not by comparing the pressure data of the area with average value data; the device can also monitor and analyze the breathing frequency, the temperature and humidity and the carbon dioxide threshold condition of the operators, monitor and early warn the physiological abnormal parameters in real time, and effectively ensure the life safety of the operators.
In order to achieve the technical effects, the technical scheme adopted by the application is as follows: an electroacoustic communication device capable of monitoring respiratory parameters comprises a wireless receiving and transmitting cavity and a signal acquisition cavity; the wireless receiving and transmitting cavity is arranged outside the gas mask and is connected with the gas mask through the gas mask interface base; the signal acquisition cavity is arranged in the gas mask and is opposite to the mouth position of the human body; the wireless receiving and transmitting cavity is internally provided with a wireless receiving and transmitting module, an antenna, a Bluetooth module, an audio module group and a power module group, the front surface of the wireless receiving and transmitting cavity is provided with a sound amplifying cavity and a key panel, the side surface of the wireless receiving and transmitting cavity is provided with an earphone interface and a charging interface, the back surface of the wireless receiving and transmitting cavity is provided with a first plug, and the wireless receiving and transmitting module, the Bluetooth module, the key panel, the audio module group and the power module group are electrically connected with the microcontroller.
Preferably, the audio module group comprises an alarm module, an audio amplifying module and a miniature loudspeaker; the power module group comprises a battery in a battery compartment and a voltage conversion module.
Preferably, the signal acquisition cavity is provided with a first microphone, a second microcontroller and a second microphone which are arranged inside; the front surface of the signal acquisition cavity is provided with a pressure sensor, a temperature and humidity sensor and a carbon dioxide sensor; the back of the signal acquisition cavity is provided with a second plug.
Preferably, the pressure sensor, the temperature and humidity sensor and the carbon dioxide sensor are all electrically connected with an I/O port of the second microcontroller, and a serial port of the second microcontroller is electrically connected with the second plug.
Preferably, the first microphone and the second microphone are electrically connected with the second plug, the second plug is electrically connected with the first plug, and the serial port of the first microcontroller is electrically connected with the first plug and is connected with the serial port of the second microcontroller through the second plug and the first plug.
Preferably, the input port of the audio amplifying module is electrically connected with the first plug and is in wind power connection with the first microphone through the second plug and the first plug;
preferably, the audio input port of the wireless transceiver module is electrically connected with the first plug and electrically connected with the second microphone through the second plug and the first plug;
preferably, the antenna and the earphone interface are both electrically connected with the wireless transceiver module, the output port of the audio amplifying module is electrically connected with the miniature loudspeaker, and the charging interface is electrically connected with the battery.
Preferably, the pressure sensor, the temperature and humidity sensor and the carbon dioxide sensor are MEMS sensors; the key panel comprises a first key, a second key and a third key, wherein the first key, the second key and the third key are a power/volume key, a signal transmitting key and a frequency band adjusting key respectively.
Preferably, the method for using the electroacoustic talking device capable of monitoring respiratory parameters comprises the following steps:
s1: initializing a pressure sensor, a temperature and humidity sensor, a carbon dioxide sensor, a second microcontroller, a first microcontroller, a wireless transceiver module, a Bluetooth module and the first microcontroller, and opening the second microcontroller and the first microcontroller to interrupt;
s2: reading data of a first microphone and a second microphone;
s3: reading data of a pressure sensor, a temperature and humidity sensor and a carbon dioxide sensor;
s4, the second microcontroller accumulates the N expiratory interval pressure data, calculates N expiratory interval pressure average values, and N is a natural number smaller than 4;
s5: the first controller opens the audio amplifying module; the audio amplifying module acquires audio data of a first microphone, and the miniature loudspeaker amplifies the audio signal;
s6: the wireless transceiver module acquires the audio data of the second microphone, presses a second key, transmits the audio signal to other electroacoustic communication devices with the same frequency band, and adjusts the frequency band through a third key;
s7: the wireless transceiver module acquires an external audio signal, and the audio signal is sent to the earphone through the earphone interface;
s8: the second microcontroller sends the pressure average value data of the pressure sensor, the temperature and humidity sensor, the carbon dioxide sensor and the N exhalation intervals to the first microcontroller;
s9: the first microcontroller compares the pressure sensor data, when the pressure data of a certain expiration interval is greatly reduced compared with the average value number of the pressure of the first N expiration intervals, the problem of sealing of the gas mask is judged, the gas mask leaks, and the alarm module alarms;
s10: the first microcontroller can acquire the breathing frequency of the worker according to the change of the pressure sensor data at the set breathing switching reference point, and the breathing frequency of the worker exceeds the set safety range, and the alarm module alarms;
s11: the first microcontroller compares the data of the pressure sensor, the temperature and humidity sensor and the carbon dioxide sensor with the pressure, the temperature and humidity of the exhaled air and the carbon dioxide threshold value respectively, and when the value of one or more sensors exceeds the threshold value, the breathing and physiological abnormality of the operator is judged, and the alarm module alarms;
s12: the Bluetooth module sends the pressure, the temperature and the humidity, the carbon dioxide concentration and alarm data to an external portable communication device;
s13: and (2) circulating the S2-S12.
Further, the battery and voltage conversion module provides power to the entire device.
Further, the wireless transceiver module is a radio frequency transceiver module.
Further, the first plug and the second plug adopt small eight-core plugs.
Further, the earphone interface and the charging interface adopt a Micro female seat interface.
Further, the voltage conversion module may output various voltages.
Further, the battery adopts a rechargeable lithium battery.
Further, the alarm module adopts a buzzer.
Further, the first microcontroller and the second microcontroller both adopt a single-chip microcomputer.
The beneficial effects of the application are as follows:
the electroacoustic communication device has wireless communication and respiratory parameter monitoring functions, realizes remote emergency communication, solves the problem of remote emergency communication, can monitor and early warn respiratory and physiological abnormal parameters of operators in real time only by pressure, temperature and humidity and carbon dioxide data, effectively solves the problem that the operators are difficult to monitor and early warn due to abnormal respiratory, can judge mask seal of a gas mask, monitors and early warn mask air leakage, and effectively solves the problem that mask seal air tightness is difficult to monitor and early warn; the early warning is accurate, the modularized design is simple in structure, the operation is convenient, and the life safety of operators is effectively guaranteed.
Drawings
FIG. 1 is a schematic view of the inside of the overall structure of the present application;
FIG. 2 is a schematic front view of the general structure of the present application;
FIG. 3 is a schematic view of the back of the general structure of the present application;
FIG. 4 is a schematic diagram of the interior of the signal acquisition cavity of the present application;
FIG. 5 is a schematic diagram of the front view of the signal acquisition cavity of the present application;
FIG. 6 is a schematic view of the back of the signal acquisition cavity structure of the present application;
FIG. 7 is a block diagram of the overall circuit configuration of the present application;
the reference numerals in the drawings are: the wireless transceiver module 1, the first microphone 2, the antenna 3, the earphone interface 4, the first microcontroller 5, the Bluetooth module 6, the first button 7, the second button 8, the third button 9, the alarm module 10, the audio amplification module 11, the miniature loudspeaker 12, the battery 13, the battery compartment 14, the voltage conversion module 15, the first plug 16, the second plug 17, the wireless transceiver cavity 18, the signal acquisition cavity 19, the charging interface 20, the pressure sensor 21, the temperature and humidity sensor 22, the carbon dioxide sensor 23, the second microcontroller 24, the loudspeaker cavity 25, the breathing mask interface base 26 and the second microphone 27.
Detailed Description
Example 1:
as shown in fig. 1 to 7, an electroacoustic talking device capable of monitoring respiratory parameters comprises a wireless receiving and transmitting cavity 18 and a signal collecting cavity 19; the wireless receiving and transmitting cavity 18 is arranged outside the gas mask and is connected with the gas mask through the gas mask interface base 26; the signal acquisition cavity 19 is arranged inside the gas mask and is opposite to the mouth position of the human body; the wireless receiving and transmitting cavity 18 is internally provided with a wireless receiving and transmitting module 1, an antenna 3, a Bluetooth module 6, an audio module group and a power module group, the front surface of the wireless receiving and transmitting cavity 18 is provided with a sound amplifying cavity 25 and a key panel, the side surface of the wireless receiving and transmitting cavity 18 is provided with an earphone interface 4 and a charging interface 20, the back surface of the wireless receiving and transmitting cavity 18 is provided with a first plug 16, and the wireless receiving and transmitting module 1, the Bluetooth module 6, the key panel, the audio module group and the power module group are electrically connected with a microcontroller.
Further, the wireless transceiver module 1 and the antenna 3 realize the voice communication with the outside; two paths of independent voice data of operators in the mask can be obtained through the first microphone 2 and the second microphone 27, and the two paths of data are respectively used for wireless transmission and sound expansion, do not interfere with each other, so that the audio processing flow is simplified, and the wireless transmission and sound expansion frequency quality is improved; external audio may be sent to the headset through the headset interface 4; the first microcontroller 5 and the second microcontroller 24 respectively perform logic operation control and sensor data acquisition, processing and transmission, and the two units controllers work independently and are not interfered with each other, so that the operation efficiency of the device is improved, and meanwhile, the modularized design of the internal and external devices of the mask can be realized; transmitting the sensing and alarming data to external equipment through the Bluetooth module 6; an operation instruction is sent through the first key 7, the second key 8 and the third key 9; the breathing and physiological abnormality alarm of the operator is realized through the alarm module 10; the device sound amplifying function is realized through the audio amplifying module 11 and the miniature loudspeaker 12; the first plug 16 and the second plug 17 are used for realizing the internal and external electrical connection of the device mask; charging or externally supplying power to the battery 13 through the charging interface 20 to provide various power supply mode selections; the breathing parameters of the operator are detected by the pressure sensor 21, the temperature and humidity sensor 22 and the carbon dioxide sensor 23, respectively.
Preferably, the audio module group includes an alarm module 10, an audio amplification module 11, and a micro-speaker 12; the power module group includes a battery 13 inside a battery 13 compartment and a voltage conversion module 15.
Preferably, the signal acquisition cavity 19 is provided with a first microphone 2, a second microcontroller 24 and a second microphone 27 arranged inside; the side surface of the signal acquisition cavity 19 is provided with a pressure sensor 21, a temperature and humidity sensor 22 and a carbon dioxide sensor 23; the back of the signal acquisition cavity 19 is provided with a second plug 17.
Preferably, the pressure sensor 21, the temperature and humidity sensor 22 and the carbon dioxide sensor 23 are all electrically connected with the I/O port of the second microcontroller 24, and the serial port of the second microcontroller 24 is electrically connected with the second plug 17.
Preferably, the first microphone 2 and the second microphone 27 are electrically connected to the second plug 17, the second plug 17 is electrically connected to the first plug 16, and the serial port of the first microcontroller 5 is electrically connected to the first plug 16 and is connected to the serial port of the second microcontroller 24 through the second plug 17 and the first plug 16.
Preferably, the input port of the audio amplification module 11 is electrically connected to the first plug 16 and to the first microphone 2 via the second plug 17 and the first plug 16;
preferably, the audio input port of the wireless transceiver module 1 is electrically connected to the first plug 16, and is electrically connected to the second microphone 27 through the second plug 17 and the first plug 16;
preferably, the antenna 3 and the earphone interface 4 are both electrically connected with the wireless transceiver module 1, the output port of the audio amplifying module 11 is electrically connected with the miniature loudspeaker 12, and the charging interface 20 is electrically connected with the battery 13.
Preferably, the pressure sensor 21, the temperature and humidity sensor 22 and the carbon dioxide sensor 23 are MEMS sensors; the key panel comprises a first key 7, a second key 8 and a third key 9, which are a power/volume key, a signal transmitting key and a frequency band adjusting key respectively.
Example 2:
preferably, the method for using the electroacoustic talking device capable of monitoring respiratory parameters comprises the following steps:
s1: initializing the pressure sensor 21, the temperature and humidity sensor 22, the carbon dioxide sensor 23, the second microcontroller 24, the first microcontroller 5, the wireless transceiver module 1, the Bluetooth module 6 and the first microcontroller 5, and opening the second microcontroller 24 and the first microcontroller 5 to interrupt;
s2: reading the data of the first microphone 2 and the second microphone 27;
s3: reading data of a pressure sensor 21, a temperature and humidity sensor 22 and a carbon dioxide sensor 23;
s4, the second microcontroller 24 accumulates the N expiratory interval pressure data, calculates N expiratory interval pressure averages, and N is a natural number smaller than 4;
s5: the first controller turns on the audio amplification module 11; the audio amplifying module 11 acquires the audio data of the first microphone 2, and the miniature loudspeaker 12 amplifies the audio signal;
s6: the wireless transceiver module 1 acquires the audio data of the second microphone 27, presses the second key 8, and the wireless transceiver module 1 sends the audio signal to other electroacoustic communication devices with the same frequency band, and the frequency band is adjusted through the third key 9;
s7: the wireless transceiver module 1 acquires an external audio signal, and the audio signal is sent to the earphone through the earphone interface 4;
s8: the second microcontroller 24 transmits the pressure average value data of the pressure sensor 21, the temperature and humidity sensor 22, the carbon dioxide sensor 23 and the N exhalation intervals to the first microcontroller 5;
s9: the first microcontroller 5 compares the data of the pressure sensor 21, and when the pressure data of a certain expiration interval is greatly reduced compared with the average value number of the pressure of the first N expiration intervals, the problem of sealing the gas mask is judged, the gas mask leaks, and the alarm module 10 alarms;
s10: the first microcontroller 5 can acquire the breathing frequency of the worker according to the change of the data of the pressure sensor 21 at the set breathing switching reference point, and the alarming module 10 alarms when the breathing frequency of the worker exceeds the set safety range;
s11: the first microcontroller 5 compares the data of the pressure sensor 21, the temperature and humidity sensor 22 and the carbon dioxide sensor 23 with the pressure, the temperature and humidity of the exhaled air and the carbon dioxide threshold value respectively, and when one or more sensor values exceed the threshold value, the breathing and physiological abnormality of the operator is judged, and the alarm module 10 alarms;
s12: the Bluetooth module 6 sends the pressure, the temperature and the humidity, the carbon dioxide concentration and the alarm data to an external portable communication device;
s13: and (2) circulating the S2-S12.
Further, the battery 13 and the voltage conversion module 15 provide power to the whole device.
Further, the wireless transceiver module 1 is a radio frequency transceiver module.
Further, the first plug 16 and the second plug 17 are small eight-core plugs.
Further, the earphone interface 4 and the charging interface 20 adopt a Micro female socket interface.
Further, the voltage conversion module 15 may output various voltages.
Further, the battery 13 is a rechargeable lithium battery 13.
Further, the alarm module 10 adopts a buzzer. Further, the first microcontroller 5 and the second microcontroller 24 are both single-chip computers.
Example 3:
the working process and working principle of the application are as follows:
when the breathing mask uses electroacoustic conversation function, the operator is connected with the breathing mask according to the requirement of the specification through the breathing mask interface base 26, the signal acquisition cavity 19 is arranged inside the breathing mask, the breathing mask is worn, the first button 7 is pressed to start, and the third button 9 is pressed to adjust the frequency band. The second microcontroller 24 reads data of the pressure sensor 21, the temperature and humidity sensor 22 and the carbon dioxide sensor 23; the second microcontroller 24 accumulates the N exhalation interval pressure data, calculates N exhalation interval pressure averages, and N is a natural number smaller than 4; the first microcontroller 5 opens an enabling bit of the audio amplification module 11, the audio amplification module 11 acquires audio data of the first microphone 2, and the audio amplification module 11 drives the miniature loudspeaker 12 to amplify the audio signal; the wireless transceiver module 1 acquires the audio data of the second microphone 27, presses the second key 8, sends the audio signal to other electroacoustic communication devices with the same frequency band through the antenna 3, and adjusts the frequency band through the third key 9; the wireless transceiver module 1 acquires an external audio signal, and the audio signal is sent to the earphone through the earphone interface 4; the second microcontroller 24 transmits the pressure average value data of the pressure sensor 21, the temperature and humidity sensor 22, the carbon dioxide sensor 23 and the N exhalation intervals to the first microcontroller 5; the first microcontroller 5 compares the data of the pressure sensor 21, when the pressure data of a certain expiration interval is greatly reduced compared with the average value number of the pressure of the first N expiration intervals, the problem of sealing of the gas mask is judged, the gas mask leaks, and the first microcontroller 5 drives the alarm module 10 to alarm; the first microcontroller 5 can acquire the breathing frequency of the worker according to the change of the data of the pressure sensor 21 at the set breathing switching reference point, and the breathing frequency of the worker exceeds the set safety range, and the first microcontroller 5 drives the alarm module 10 to alarm; the first microcontroller 5 compares the data of the pressure sensor 21, the temperature and humidity sensor 22 and the carbon dioxide sensor 23 with the pressure, the temperature and humidity of the exhaled air and the carbon dioxide threshold value respectively, when one or more sensor values exceed the threshold value, the breathing and physiological abnormality of the operator is judged, and the first microcontroller 5 drives the alarm module 10 to alarm; the first microcontroller 5 controls the bluetooth module 6 to transmit pressure, temperature and humidity, carbon dioxide concentration and alarm data to the external portable communication device.
The above embodiments are merely preferred embodiments of the present application, and should not be construed as limiting the present application, and the embodiments and features of the embodiments of the present application may be arbitrarily combined with each other without collision. The protection scope of the present application is defined by the claims, and the protection scope includes equivalent alternatives to the technical features of the claims. I.e., equivalent replacement modifications within the scope of this application are also within the scope of the application.
Claims (6)
1. An electroacoustic communication device capable of monitoring respiratory parameters, which is characterized in that: the wireless transceiver comprises a wireless transceiver cavity (18) and a signal acquisition cavity (19); the wireless receiving and transmitting cavity (18) is arranged outside the gas mask and is connected with the gas mask through the gas mask interface base (26); the signal acquisition cavity (19) is arranged in the gas mask and is opposite to the mouth position of the human body; the wireless transceiver cavity (18) is internally provided with a wireless transceiver module (1), an antenna (3), a Bluetooth module (6), an audio module group and a power module group, the front surface of the wireless transceiver cavity (18) is provided with a sound amplifying cavity (25) and a key panel, the side surface of the wireless transceiver cavity (18) is provided with an earphone interface (4) and a charging interface (20), the back surface of the wireless transceiver cavity (18) is provided with a first plug (16), and the wireless transceiver module (1), the Bluetooth module (6), the key panel, the audio module group and the power module group are electrically connected with the microcontroller (5); the signal acquisition cavity (19) is provided with a first microphone (2), a second microcontroller (24) and a second microphone (27) which are arranged in the signal acquisition cavity; the surface of the signal acquisition cavity (19) is provided with a pressure sensor (21), a temperature and humidity sensor (22) and a carbon dioxide sensor (23); the back of the signal acquisition cavity (19) is provided with a second plug (17);
the application method of the electroacoustic talking device capable of monitoring the breathing parameters comprises the following steps:
s1: initializing a pressure sensor (21), a temperature and humidity sensor (22), a carbon dioxide sensor (23), a second microcontroller (24), a first microcontroller (5), a wireless transceiver module (1), a Bluetooth module (6) and the first microcontroller (5), and opening the second microcontroller (24) and interrupting the first microcontroller (5);
s2: reading data of a first microphone (2) and a second microphone (27);
s3: reading data of a pressure sensor (21), a temperature and humidity sensor (22) and a carbon dioxide sensor (23);
s4, accumulating the N expiration interval pressure data by the second microcontroller (24), and calculating N expiration interval pressure average values, wherein N is a natural number smaller than 4;
s5: the first controller (5) turns on the audio amplification module (11); the audio amplifying module (11) acquires audio data of the first microphone (2), and the miniature loudspeaker (12) amplifies the audio signal;
s6: the wireless transceiver module (1) acquires the audio data of the second microphone (27), presses the second key (8), the wireless transceiver module (1) sends the audio signal to other electroacoustic communication devices with the same frequency band, and the frequency band is adjusted through the third key (9);
s7: the wireless receiving and transmitting module (1) acquires an external audio signal, and the audio signal is sent to the earphone through the earphone interface (4);
s8: the second microcontroller (24) sends pressure average value data of the pressure sensor (21), the temperature and humidity sensor (22), the carbon dioxide sensor (23) and N expiration intervals to the first microcontroller (5);
s9: the first microcontroller (5) compares the data of the pressure sensor (21), when the pressure data of a certain expiration interval is greatly reduced compared with the average value number of the pressure of the first N expiration intervals, the problem of sealing the gas mask is judged, the gas mask leaks, and the alarm module (10) alarms;
s10: the first microcontroller (5) can acquire the breathing frequency of an operator according to the change of the data of the pressure sensor (21) at a set breathing switching reference point, and the breathing frequency of the operator exceeds a set safety range, and the alarm module (10) alarms;
s11: the first microcontroller (5) respectively compares data of the pressure sensor (21), the temperature and humidity sensor (22) and the carbon dioxide sensor (23), compares the data with the pressure, the temperature and the humidity of the expired air and the carbon dioxide threshold value, and judges breathing and physiological abnormality of an operator when one or more sensor values exceed the threshold value, and the alarm module (10) alarms;
s12: the Bluetooth module (6) sends the pressure, the temperature and the humidity, the carbon dioxide concentration and the alarm data to an external portable communication device;
s13: and (2) circulating the S2-S12.
2. An electroacoustic device capable of monitoring respiratory parameters as claimed in claim 1, wherein: the audio module group comprises an alarm module (10), an audio amplifying module (11) and a miniature loudspeaker (12); the power module group comprises a battery (13) in a battery compartment (14) and a voltage conversion module (15).
3. An electroacoustic device capable of monitoring respiratory parameters as claimed in claim 1, wherein: the pressure sensor (21), the temperature and humidity sensor (22) and the carbon dioxide sensor (23) are electrically connected with an I/O port of the second microcontroller (24), and a serial port of the second microcontroller (24) is electrically connected with the second plug (17).
4. An electroacoustic device capable of monitoring respiratory parameters as claimed in claim 1, wherein: the first microphone (2) and the second microphone (27) are electrically connected with the second plug (17), the second plug (17) is electrically connected with the first plug (16), and the serial port of the first microcontroller (5) is electrically connected with the first plug (16) and is connected with the serial port of the second microcontroller (24) through the second plug (17) and the first plug (16).
5. An electroacoustic device capable of monitoring respiratory parameters as claimed in claim 2, wherein: the input port of the audio amplification module (11) is electrically connected with the first plug (16) and is electrically connected with the first microphone (2) through the second plug (17) and the first plug (16); an audio input port of the wireless transceiver module (1) is electrically connected with the first plug (16), and is electrically connected with the second microphone (27) through the second plug (17) and the first plug (16); the antenna (3) and the earphone interface (4) are electrically connected with the wireless transceiver module (1), the output port of the audio amplification module (11) is electrically connected with the miniature loudspeaker (12), and the charging interface (20) is electrically connected with the battery (13).
6. An electroacoustic device capable of monitoring respiratory parameters as claimed in claim 1, wherein: the pressure sensor (21), the temperature and humidity sensor (22) and the carbon dioxide sensor (23) are MEMS sensors; the key panel comprises a first key (7), a second key (8) and a third key (9), which are a power/volume key, a signal transmitting key and a frequency band adjusting key respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210411022.1A CN114796916B (en) | 2022-04-19 | 2022-04-19 | Electroacoustic communication device capable of monitoring respiratory parameters and use method |
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| CN202210411022.1A CN114796916B (en) | 2022-04-19 | 2022-04-19 | Electroacoustic communication device capable of monitoring respiratory parameters and use method |
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| CN114796916B true CN114796916B (en) | 2023-11-28 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5649532A (en) * | 1992-05-05 | 1997-07-22 | Griffiths; Joseph Anthony | Breathing equipment for aircrew |
| CN104870059A (en) * | 2013-03-12 | 2015-08-26 | Msa技术有限公司 | Facepiece with noise reduction for communication |
| CN109603024A (en) * | 2019-01-14 | 2019-04-12 | 南京正泽科技股份有限公司 | A kind of automatic adjustment positive-pressure type power air-supply gas mask and its control system |
| CN210583396U (en) * | 2019-07-24 | 2020-05-22 | 山西新华化工有限责任公司 | Side air supply type air breathing mask |
| CN212280030U (en) * | 2020-05-08 | 2021-01-05 | 广东医科大学 | Intelligent infectious disease protective mask |
-
2022
- 2022-04-19 CN CN202210411022.1A patent/CN114796916B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5649532A (en) * | 1992-05-05 | 1997-07-22 | Griffiths; Joseph Anthony | Breathing equipment for aircrew |
| CN104870059A (en) * | 2013-03-12 | 2015-08-26 | Msa技术有限公司 | Facepiece with noise reduction for communication |
| CN109603024A (en) * | 2019-01-14 | 2019-04-12 | 南京正泽科技股份有限公司 | A kind of automatic adjustment positive-pressure type power air-supply gas mask and its control system |
| CN210583396U (en) * | 2019-07-24 | 2020-05-22 | 山西新华化工有限责任公司 | Side air supply type air breathing mask |
| CN212280030U (en) * | 2020-05-08 | 2021-01-05 | 广东医科大学 | Intelligent infectious disease protective mask |
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| CN114796916A (en) | 2022-07-29 |
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