CN116019421A - Breathing prompting system, method and device - Google Patents

Abstract

The invention discloses a respiratory prompting system, a respiratory prompting method and a respiratory prompting device, and belongs to the technical field of respiratory prompting. The invention comprises a mask, a conduit, a sensor, a controller, a communication module and a prompt module, wherein the mask is used for covering the respiratory organs of a user, the sensor is used for detecting the physical quantity of the detection factors in the respiratory channel, which changes along with the change of the respiratory state, and generating corresponding electric signals, the communication module is used for transmitting the electric signals to the controller, the controller is used for reading the data fed back by the sensor after receiving the electric signals, and running a respiratory state detection control program and an algorithm to judge that a prompt instruction is given in the respiratory state, and meanwhile, the communication module is used for transmitting the electric signals of the prompt instruction to the prompt module, and the prompt module is used for reading the prompt instruction after receiving the electric signals transmitted by the controller and displaying the current respiratory state of the user according to the prompt instruction, so that the current respiratory state of the user can be obviously observed, and corresponding measures can be made according to the respiratory state of the user.

Description

Breathing prompting system, method and device

Technical Field

The invention relates to the technical field of breathing prompting, in particular to a breathing prompting system, a method and a device.

Background

Currently, some projects in hospitals require radioscopy or treatment, and require a patient to breathe, for example, during the chest orthotopic DR shooting process, a technician gives the patient a password to hold breath (hold, keep an apneic state, and a state with the lungs full and still), presses an imaging shutter when the patient holds breath, at this time, the respiratory muscles stop moving the lungs relatively still, and imaging blurring caused by the movement of the lungs can be avoided, so that the maximum chest X-ray field of view can be obtained. In the spiral CT examination process, the CT machine also issues a similar password to the patient so that the CT slice images a larger thoracic view.

However, the special groups such as children, deaf-mute, senile dementia patients and the like cannot respond to the breathing coordination instruction of technicians, and shooting can only be performed by random (blind shooting), so that the related shooting has poor imaging quality, cannot be used for clinical diagnosis, and needs to be re-shot under severe conditions, thereby bringing a series of problems, such as repeated labor of technicians, repeated use consumption of equipment, low equipment utilization rate and more irradiation of users.

Therefore, there is a need for a respiratory prompting system, method and apparatus that enables a respiratory state of a user to be displayed obviously, so as to take corresponding measures according to the respiratory state of the user.

Disclosure of Invention

The invention aims to provide a breathing prompting system, a method and a device, which are used for solving the problem that the breathing state of a user cannot be accurately judged in a scene requiring breathing coordination in the background technology.

In order to solve the technical problems, the invention provides the following technical scheme: a respiratory prompting system, which comprises a mask, a catheter, a sensor, a controller, a communication module and a prompting module;

the mask is used for covering the respiratory organs of the user;

the sensor is used for detecting the physical quantity of the detection factor in the respiratory channel changing along with the change of the respiratory state and generating corresponding electric signals, and the electric signals are transmitted to the controller by the communication module;

the controller is used for receiving the electric signals to read the data fed back by the sensor, running a respiration state detection control program and algorithm to judge the respiration state and issuing a prompt instruction, and transmitting the electric signals of the prompt instruction to the prompt module by utilizing the communication module;

the prompting module is used for receiving the electric signal transmitted by the controller to read a prompting instruction and displaying the current breathing state of the user according to the prompting instruction;

the communication module may be wired communication or wireless communication or a mixture of the two.

The face guard links to each other with the one end of pipe, and the other end of pipe links to each other with the external world, the sensor is arranged in the middle of the pipe or one end, communication module's input is connected to communication module's output, and communication module's output connection director's input, communication module's input is connected to the output of controller, communication module's output connection suggestion module's input.

The detection factors comprise air flow, air pressure, air flow direction, flow velocity, sound, temperature, oxygen concentration, carbon dioxide concentration and the like in the respiratory channel, and the detection factor information comprises the air flow, air pressure, air flow direction, flow velocity, sound, temperature, oxygen concentration, carbon dioxide concentration and the like in the respiratory channel.

According to the technical scheme, the mask comprises a structural model for covering the mouth and the nose, a binding belt for fixing the mask and a catheter butt joint interface, and the butt joint interface of the catheter is used for connecting the sensor.

The breathing channel is convenient for the user to breathe normally, and is composed of a mask and a catheter, and the breathing channel is convenient for the user to breathe with the outside, so that the phenomenon of hypoxia caused by unsmooth breathing of the user is prevented.

The binding band for fixing the tightness of the mask can be adjusted according to the self condition of a user, so that the binding band is prevented from being pulled by a person; the structural modeling of covering the mouth and nose can enable the change of the detection factors during breathing to be more obvious and be easier to measure.

According to the technical scheme, the breathing state comprises an inspiration state, an apnea state and an expiration state, and the apnea state also refers to a breath holding state.

According to the technical scheme, the sensor is used for detecting the physical quantity of the detection factors in the respiratory channel, which changes along with the change of the respiratory state, and outputting different electric signals according to the respiratory state, so that the respiratory state can be obviously observed by observing the state of the detection factors, and the different sensors correspond to different detection factors.

According to the technical scheme, the sensor comprises an electrode type sensing three-blade sensor, a multi-blade sensor, a pneumatic sensor, an audio sensor, a contact type temperature sensor, an oxygen concentration sensor, a carbon dioxide concentration sensor, a strain gauge sensor, a contact type temperature sensor and a non-contact type temperature measurement thermal imaging sensor, and the sensors can be suitable for various scenes to enhance the application flexibility.

According to the technical scheme, the electrode type sensor comprises an electrode A, an electrode B and an electrode C, wherein the electrode B is made of flexible or elastic materials, is positioned in the middle of a breathing channel in a normal state that the breathing channel does not have air flow, and is not conducted with the electrode A and the electrode C; the detection factor is the conduction state between the electrodes;

The conduction state between the electrodes in the electrode type sensor can change along with the change of the breathing state of the user;

when the user is in an expiration state, the electrode B is biased to one side of the electrode A due to the aerodynamic action of the airflow, the electrode A and the electrode B are in a conducting state, and corresponding electric signals are generated and transmitted to the controller by the communication module;

when the user is in an inhalation state, the electrode B is biased to one side of the electrode C due to the aerodynamic action of the airflow, the electrode B and the electrode C are in a conducting state, and corresponding electric signals are generated and transmitted to the controller by the communication module;

when a user is in an apnea state, the electrode A and the electrode B are in a disconnection state, and corresponding electric signals are generated and transmitted to the controller by the communication module;

the vane type sensor consists of vanes and a motor coaxial with the vanes and is positioned in the middle of the breathing channel; the blade type sensor comprises a three-blade type sensor and a multi-blade type sensor; wherein, the three blades are similar to a propeller, and the rotating shaft is parallel to the air flow direction; the multi-blade type water wheel is similar to a water wheel, and the rotating shaft is perpendicular to the air flow direction; the detection factor is the voltage between the two ends of the motor electrode, and the voltage between the two ends of the motor electrode can change along with the change of the breathing state of the user.

Wherein the voltage at the two ends of the motor electrode can change along with the change of the breathing state of the user;

when the user is in an apnea state, the motor stops rotating the voltage at the two ends of the electrode to be 0V, and a corresponding electric signal is generated and transmitted to the controller by the communication module;

when the user is in an expiration state, the voltages at the two ends of the motor forward rotating electrode are in a negative voltage state, and corresponding electric signals are generated and transmitted to the controller by the communication module;

when the user is in an air suction state, the voltages at the two ends of the motor reversing electrode are in a positive voltage state, and corresponding electric signals are generated and transmitted to the controller by the communication module;

the air pressure sensor is arranged in the catheter, and the pressure value detected by the air pressure sensor can change along with the change of the breathing state; the detection factor is the pressure value in the breathing channel;

when the user is in an apnea state, the pressure detected by the air pressure sensor is equal to a standard atmospheric pressure, and corresponding electric signals are generated and transmitted to the controller by the communication module;

when the user is in an expiration state, the pressure detected by the air pressure sensor is larger than a standard atmospheric pressure, and corresponding electric signals are generated and transmitted to the controller by the communication module;

When the user is in an inhalation state, the pressure detected by the air pressure sensor is smaller than a standard atmospheric pressure, and corresponding electric signals are generated and transmitted to the controller by the communication module;

the audio sensor comprises an audio generator and a microphone for sensing audio, wherein the audio changes along with the change of the breathing state; the detection factor is the frequency of sound;

when the user is in an apnea state, the two whistles have no whistle, and generate corresponding electric signals to be transmitted to the controller by the communication module;

when the user is in an expiration state, the air flow is reversed, the low-frequency unidirectional whistle is conducted, the low-frequency whistle sound is emitted, and corresponding electric signals are generated and transmitted to the controller by the communication module;

when a user is in an air suction state, air flows in from left to right, and air flows from a high-pressure part to a low-pressure part, so that the high-frequency unidirectional whistle is conducted, high-frequency whistle sound is emitted, and corresponding electric signals are generated and transmitted to the controller by the communication module;

the contact type temperature sensor is arranged on the inner wall of the breathing channel, and the temperature measurement value and the temperature change state of the temperature sensor can change along with the change of the breathing state; the detection factor is the temperature measured by the temperature sensor; at a body temperature of 37 degrees celsius, at a room temperature of 25 degrees celsius:

When the user is in an apnea state, the temperature measurement value of the air temperature sensor is between the room temperature and the body temperature, the temperature slowly changes to the room temperature, and corresponding electric signals are generated and transmitted to the controller by the communication module;

when the user is in an expiration state, the temperature measurement value of the air temperature sensor is quickly heated and deviates to one side of the body temperature, and a corresponding electric signal is generated and transmitted to the controller by the communication module;

when a user is in an air suction state, the temperature measurement value of the air temperature sensor is quickly cooled and deviates to one side of the room temperature, and a corresponding electric signal is generated and transmitted to the controller by the communication module;

the oxygen concentration sensor is arranged in the respiratory channel, and the oxygen concentration detected by the oxygen sensor in the channel can change along with the change of the respiratory state; the detection factor is the oxygen concentration in the respiratory tract;

when the user is in an expiration state, the oxygen sensor detects that the oxygen concentration is lower than the atmospheric oxygen concentration, and at the moment, the oxygen sensor detects that the oxygen concentration is low, and generates corresponding electric signals to be transmitted to the controller by utilizing the communication module;

when the user is in an inhalation state, the concentration detected by the oxygen sensor is quickly close to the atmospheric oxygen concentration, and the oxygen sensor detects that the oxygen concentration is high, and generates corresponding electric signals to be transmitted to the controller by the communication module;

When the user is in an apnea state, the oxygen sensor detects that the oxygen concentration is between a low value and a high value and slowly approaches to the atmospheric oxygen concentration, and generates corresponding electric signals to be transmitted to the controller by the communication module;

the carbon dioxide concentration sensor is arranged in the respiratory channel, and the carbon dioxide concentration detected by the carbon dioxide sensor in the channel can change along with the change of the respiratory state; the detection factor is the concentration of carbon dioxide in the respiratory channel;

when the user is in an expiration state, the carbon dioxide sensor detects that the concentration is higher than the atmospheric carbon dioxide concentration, and at the moment, the carbon dioxide sensor detects that the carbon dioxide concentration is high, and generates corresponding electric signals to be transmitted to the controller by utilizing the communication module;

when a user is in an air suction state, the carbon dioxide sensor detects that the concentration is close to the atmospheric carbon dioxide concentration, and at the moment, the carbon dioxide sensor detects that the carbon dioxide concentration is low, and generates corresponding electric signals which are transmitted to the controller by utilizing the communication module;

when a user is in an apnea state, the carbon dioxide sensor detects that the concentration is between a low value and a high value and slowly approaches to the atmospheric carbon dioxide concentration, and generates corresponding electric signals to be transmitted to the controller by using the communication module;

The strain gauge sensor comprises a strain gauge and a flexible baffle, the flexible baffle is made of elastic materials, and the strain gauge sensor and the flexible baffle are positioned in the middle position inside the breathing channel; the resistance value of the strain gage can change along with the change of the breathing state, and the flexible baffle plate also changes the corresponding bending degree and direction along with the change of the airflow direction; the detection factor is the resistance value of the strain gauge;

when a user is in an apnea state, the resistance value of the strain gauge is a median value, and corresponding electric signals are generated and transmitted to the controller by the communication module;

when the user is in an expiration state, the resistance value of the strain gauge is low, and corresponding electric signals are generated and transmitted to the controller by the communication module;

when a user is in an air suction state, the resistance value of the strain gauge is high, and corresponding electric signals are generated and transmitted to the controller by the communication module;

the non-contact temperature measurement thermal imaging sensor is arranged at one end of the mouth of the breathing channel, temperature data detected by thermal imaging of the sensor can change along with the change of the breathing state, and the detection factor is the surface temperature change of the skin around the breathing organ; at a body temperature of 37 degrees celsius, at a room temperature of 25 degrees celsius:

when the user is in an apnea state, the temperature value of the thermal imaging breathing channel is in the middle of the temperature of the body temperature and at the room temperature and deviates to one side of the body temperature, and corresponding electric signals are generated and transmitted to the controller by the communication module;

When the user is in an expiration state, the temperature value of the thermal imaging breathing channel is rapidly biased to one side of the body temperature, and corresponding electric signals are generated and transmitted to the controller by the communication module;

when the user is in an inhalation state, the temperature value of the thermal imaging breathing channel rapidly deviates to the room temperature side, and corresponding electric signals are generated and transmitted to the controller by the communication module.

A method of breath prompting, the step of breath prompting comprising:

s1, wearing a mask on an oral nose by a user;

s2, starting a respiration detection device to collect detection factor information in a respiration channel;

s3, reading and analyzing the detection factor information in real time, further judging the breathing state of the user, and issuing a prompt instruction;

s4, completing breathing state prompt according to the prompt instruction.

The starting of the respiration detection device comprises manual starting and remote control starting, so that application requirements of users for different scenes are met.

According to the technical scheme, the detection factor information analysis comprises the following steps: the received detection factor information is transmitted to an analysis unit, and the user breathing state is judged by using an if function.

According to the technical scheme, the breathing state prompt is realized according to the physical prompt method corresponding to the breathing state, and the physical prompt method comprises one or more prompt means including but not limited to sound, light, a special graphical user interface and the like, and is used for meeting the application of different scenes and conveniently prompting the breathing state of a user.

According to the above technical solution, a breathing prompting device comprises a processor and a memory, wherein the memory stores a computer program, and the processor implements the steps of the breathing prompting system according to claim 1 when executing the computer program.

Compared with the prior art, the invention has the following beneficial effects:

the invention sets the sensor to detect the information of air pressure, air flow direction, flow velocity, audio frequency, temperature, oxygen concentration, carbon dioxide concentration and the like in the breathing channel and transmit the received information to the controller, the controller analyzes the data after reading the information and drives the prompt module in real time to carry out the remarkable prompt of the breathing state, thereby judging the breathing state of the user at the moment, enabling technicians or doctors and the like to make corresponding measures according to the breathing state of the user, and avoiding the problems of repeated labor, equipment loss, low equipment utilization rate and the like caused by misjudgment of the breathing state.

Especially in some medical fields, the problem that the related shooting imaging quality is poor due to misjudgment of the breathing state, so that the related shooting imaging quality cannot be used for clinical diagnosis and needs to be shot again under serious conditions is solved, the repeated labor of technicians is reduced to a certain extent by accurately judging the breathing state of a user, the repeated use consumption of equipment is reduced, the equipment utilization rate is increased, and the user is prevented from being radiated for one time to a certain extent. For special crowds such as children, deaf-mute, senile dementia patients and the like, the problem that the instruction for sending the breath cannot be understood is avoided to a certain extent.

The invention sets physical prompt at the same time, the physical prompt method includes but not limited to one or more prompt means such as sound, light, special graphic user interface, etc. for meeting the application of different scenes.

Drawings

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:

FIG. 1 is a schematic diagram of the structural connection of the respiratory prompting system of the present invention;

FIG. 2 is a flow chart of the steps of the breathing prompting method of the present invention;

FIG. 3 is a schematic diagram of an electrode sensor arrangement;

FIG. 4 is a schematic diagram of a three-leaf sensor design;

FIG. 5 is a schematic diagram of a multiple blade sensor arrangement;

FIG. 6 is a schematic diagram of a pneumatic sensor arrangement;

FIG. 7 is a schematic view of an apnea status UI interface;

FIG. 8 is a schematic diagram of an exhalation state UI interface;

FIG. 9 is a diagram of an inspiratory state UI interface;

FIG. 10 is a schematic structural diagram of an audio sensor solution;

FIG. 11 is a schematic diagram of a contact temperature measurement system;

FIG. 12 is a schematic view showing a structure of an oxygen concentration sensor;

FIG. 13 is a schematic diagram of a carbon dioxide concentration sensor system;

FIG. 14 is a schematic view of a strain gauge sensor configuration;

FIG. 15 is a schematic diagram of a non-contact thermometry thermal imaging sensor configuration.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1 to 15, the present invention provides the following technical solutions: a respiratory prompting system, which comprises a mask, a catheter, a sensor, a controller, a communication module and a prompting module;

the mask is used for covering the respiratory organs of the user;

the sensor is used for detecting the physical quantity of the detection factor in the respiratory channel changing along with the change of the respiratory state and generating corresponding electric signals, and the electric signals are transmitted to the controller by the communication module;

the controller is used for receiving the electric signals to read the data fed back by the sensor, running a respiration state detection control program and algorithm to judge the respiration state and issuing a prompt instruction, and transmitting the electric signals of the prompt instruction to the prompt module by utilizing the communication module;

The prompting module is used for receiving the electric signal transmitted by the controller to read a prompting instruction and displaying the current breathing state of the user according to the prompting instruction;

the face guard links to each other with the one end of pipe, and the other end of pipe links to each other with the external world, the sensor is arranged in the middle of the pipe or one end, communication module's input is connected to communication module's output, and communication module's output connection director's input, communication module's input is connected to the output of controller, communication module's output connection suggestion module's input.

The detection factors comprise air flow, air pressure, air flow direction, flow velocity, temperature, audio frequency, oxygen concentration, carbon dioxide concentration and the like in the breathing channel, the detection factor information refers to information such as the air flow, the air pressure, the air flow direction, the flow velocity and the like in the breathing channel, for example, a carbon dioxide concentration sensor is arranged on the inner wall of the breathing channel, when the air flow passes through, the carbon dioxide concentration in the breathing channel changes due to the biochemical action of a human body, and the breathing state of a user is judged by detecting the change condition of the carbon dioxide concentration in the breathing channel.

The mask comprises a structural model for covering the mouth and nose, a binding belt for fixing the mask and a catheter butt joint interface, wherein the butt joint interface of the catheter is used for connecting a sensor.

The binding band for fixing the tightness of the mask can be adjusted according to the self condition of a user, so that the binding band is prevented from being pulled by a person; the structural modeling of covering the mouth and nose can enable the change of the detection factors during breathing to be more obvious and be easier to measure.

The breathing channel is convenient for the user to breathe normally, and is composed of a mask and a conduit, and the breathing channel is convenient for the user to breathe with the outside, so that the phenomenon of hypoxia of the user is prevented.

The respiratory state comprises an inspiration state, an apnea state and an expiration state, and the apnea state also refers to a breath holding state.

The sensor is used for detecting the physical quantity of the detection factors in the respiratory channel, which changes along with the change of the respiratory state, and outputting different electric signals according to the respiratory state, so that the respiratory state can be obviously observed by observing the state of the detection factors, and the different sensors correspond to different detection factors.

The sensor comprises an electrode type sensor, a three-leaf type sensor, a multi-leaf type sensor, a pneumatic type sensor, an audio type sensor, a contact type temperature sensor, an oxygen concentration sensor, a carbon dioxide concentration sensor, a strain gauge sensor and a non-contact type temperature measurement thermal imaging sensor, wherein various sensors can be suitable for various scenes, and the flexibility of application is enhanced.

A method of breath prompting, the step of breath prompting comprising:

s1, wearing a mask on an oral nose by a user;

s2, starting a respiration detection device to collect detection factor information in a respiration channel;

s3, reading and analyzing the detection factor information in real time, further judging the breathing state of the user, and issuing a prompt instruction;

s4, completing breathing state prompt according to the prompt instruction.

The starting of the respiration detection device comprises manual starting and remote control starting, so that application requirements of users for different scenes are met.

The detection factor information analysis comprises the following steps: the received detection factor information is transmitted to an analysis unit, and the user breathing state is judged by using an if function.

The breathing state prompt is realized according to a physical prompt method corresponding to the breathing state, wherein the physical prompt method comprises one or more prompt means such as sound, light, a special graphical user interface and the like, and is used for meeting the application of different scenes, for example, the breathing state is represented by the color of a led lamp such as green, the breathing state is represented by red, and the pause state is represented by blue; the reminder may be placed in the room where the technician is located in the form of a computer display, while the breathing state reminder is presented in the form of a graphical user interface program running on a PC or an applet running on a portable device, etc.

The prompts include various presentation means including, but not limited to, means by visual visualization such as light color, light flashing frequency, graphical interface on display, etc., by auditory related means such as sounds of different frequencies representing different respiratory phases, low frequency representing inhalation, medium frequency representing pause, high frequency representing exhalation, or combinations thereof.

A respiratory alerting device comprising a processor and a memory, the memory storing a computer program, the processor implementing the respiratory alerting system of claim 1 when executing the computer program.

The invention can be applied to multiple scenes, for example, when a technician shoots the chest in-position DR, the technician knows that the green light is on just inhaling by the user by observing the breathing prompt device of the user, then the blue light is on when the technician holds the breath, and the optimal DR exposure time is reached. When a technician performs chest righting CT scanning on a user, the technician sees a flashing green light, a blue light and a red light in a period, and then the technician judges that the user is breathing freely. When the user receives the holding instruction, if the user is not in the blue lamp state, but in the inspiration green lamp state or the expiration red lamp state, the user is not in breathing coordination according to the breathing coordination instruction given by the technician or the CT machine, the problem that the user is not holding, namely air leakage or inspiration exists, and the user can be reminded to pay attention to the coordination holding instruction so as to acquire the better CT image. During radiotherapy, irradiation rays are required to irradiate a lesion part when the lung is filled and relatively stationary after inhalation, and when a user exhales, the patient position of the lung can move due to respiratory movement, and irradiation is stopped at the moment so as to avoid damaging other body parts except the lesion part. The signal corresponding to the breathing cues, i.e. the blue light after the green light, can be set as the condition for the irradiation to be on. The illumination is stopped when the blue light is off. The irradiation is turned on again until the next green light turns to blue, i.e. is inhaled or held, and so on.

Example 1

The face guard of this scheme adopts the structure like the gauze mask of taking the breather valve, and the pipe is located the position that the breather valve was located, and pipe one end links to each other with the face guard, and the atmosphere is connected to the pipe other end, and electrode sensor is located the position that the former breather valve filter core was located, as shown in fig. 3.

The electrode type sensor comprises an electrode A, an electrode B and an electrode C, wherein the electrode B is made of flexible or elastic materials, and is positioned at the middle position and is not conducted with the electrode A and the electrode C in a normal state that a channel does not have air flow.

The user wears the mask on the nose and the mouth, starts the respiration detection device and starts the electrode type sensor to work;

when a user inhales, air flow flows in from top to bottom, and under the action of the air flow, the flexible electrode B is biased to one side of the electrode C and is conducted with the electrode C similarly to the direction that the air flow blows to flow, at the moment, the electric signals conducted by the electrode B and the electrode C are transmitted to the controller through the communication module, the controller receives the signal reading data and judges that the breathing state is the inspiration state, so that an instruction that the LED is bright and green is given, the instruction is transmitted to the instruction module through the communication module, and the instruction module drives the LED to be bright and green after receiving the instruction, so that the current state of the user is prompted to be the inspiration state.

When a user exhales, the air flow is reversed, the flexible electrode B is biased to one side of the electrode A and is conducted with the electrode A, at the moment, the electric signals conducted by the electrode B and the electrode A are transmitted to the controller through the communication module, the controller receives the signal reading data and judges that the breathing state is an exhaling state, so that an instruction that the LED is bright and red is given, the instruction is transmitted to the instruction module through the communication module, and the instruction module receives the instruction and drives the LED to be bright and red, so that the current state of the user is prompted to be an inhaling state.

When a user is out of breath, no air flow exists in the channel, the flexible electrode B is restored to the middle position and is not conducted with the electrode A and the electrode C, at the moment, the electrode B is disconnected with the electrode C, an electric signal for disconnecting the electrode A and the electrode C is transmitted to the controller through the communication module, the controller receives the signal reading data and judges that the breathing state is an apnea state, so that an instruction of the bright and blue color of the LED is issued, the instruction module is transmitted to the instruction module through the communication module, and the instruction module drives the bright and blue color of the LED after receiving the instruction, so that the current state of the user is the apnea state.

The scheme can also comprise a battery, a switch, a shell and other basic components for providing power for the system, and the communication mode is wire communication.

Example 2

The respiration state of the user is judged by detecting the voltage change at two ends of the motor electrode, and the three-blade sensor and the multi-blade sensor can be adopted for detection, and the three-blade sensor and the multi-blade sensor are shown in fig. 4 and 5, and the three-blade sensor is used for detection as an example:

when a user wears the mask on the nose and the mouth, the respiration detection device is started, and the three-blade sensor starts to work;

when a user inhales, air flows from top to bottom or from left to right, the blades are blown to rotate by the air flow under the action of the air flow, the rotating direction is assumed to be clockwise, positive voltage signals are generated at the two ends of the motor, at the moment, positive voltage signals are generated at the two ends of the motor and transmitted to the controller through the communication module, the controller receives the signal reading data and judges that the breathing state of the user is inspiration, so that a command of low frequency of the three-frequency sound is issued, the command is transmitted to the command module through the communication module, and the command module receives the command and drives the sound to display low audio frequency, so that the current state of the user is prompted to be the inspiration state.

When a user exhales, the airflow is reverse, the blade is blown to rotate by the airflow due to the action of the airflow, the rotating direction is assumed to be anticlockwise, negative voltages are generated at two ends of the motor, at the moment, negative voltage signals are generated at two ends of the motor and are transmitted to the controller through the communication module, the controller receives the signal reading data and judges that the breathing state of the user is exhaling at the moment, so that a command that the three-frequency sound is high-frequency is issued, the command is transmitted to the command module through the communication module, and the command module receives the command and drives the sound to display high audio, so that the current state of the user is prompted to be the exhaling state.

When a user is out of breath, no air flow exists in the channel, the blades stop rotating, the motor stops, 0V voltage is output, voltage signals at two ends of the motor are transmitted to the controller through the communication module, the controller receives the signal reading data and judges that the breathing state of the user is an apnea state at the moment, so that a command that the three-frequency sound is medium-frequency is issued, the command is transmitted to the command module through the communication module, and the command module receives the command and drives the sound to display middle audio, so that the current state of the user is the apnea state.

The scheme also comprises a battery, a sound device and other basic components for providing electric energy for the system, a switch, a shell and other basic components, wherein the communication mode is wired communication, which is not repeated herein, and the scheme is used for accurately transmitting the current breathing state in real time under the condition that the visual line of sight is blocked.

Example 3

The air pressure sensor is built in the guide pipe, as shown in fig. 6.

When a user wears the mask on the nose and the mouth, the respiration detection device is started, and the air pressure sensor starts to work;

when a user is out of breath, no air flow exists in the channel, the air pressure is balanced, the pressure detected by the air pressure sensor is equal to the standard atmospheric pressure, the air pressure sensor transmits the electric signal to the controller through the communication module, the controller receives the signal and acquires data to analyze, the respiration state of the user is judged to be an apnea state, the instruction of the image of the apnea is displayed on the user interface, the instruction is transmitted to the instruction module through the communication module, the instruction module receives the instruction and then controls the software to display the apnea graphical user interface, and the display graph of the apnea state is shown in figure 7.

When a user exhales, the air flow is reversed, the pressure detected by the air pressure sensor is larger than the standard atmospheric pressure, the air pressure sensor transmits the electric signal to the controller through the communication module, the controller receives the signal and acquires data to analyze, the respiration state of the user at the moment is judged to be an exhalation state, the instruction given to the user interface is displayed as an instruction of an image of exhalation, the instruction is transmitted to the instruction module through the communication module, the instruction module receives the instruction and then controls the software to display the exhalation graphical user interface, fig. 7 shows an apnea state, and the exhalation state shows an image as shown in fig. 8.

When a user inhales, air flows from left to right, air flows from a high-pressure part to a low-pressure part, the pressure detected by the air pressure sensor is smaller than one standard atmospheric pressure, the air pressure sensor transmits the electric signal to the controller through the communication module, the controller receives the signal and acquires data to analyze, the respiration state of the user is judged to be an inhalation state, the instruction of displaying an inhalation image on the user interface is displayed, the instruction is transmitted to the instruction module through the communication module, and the instruction module receives the instruction and then controls software to display the inhalation graphical user interface, wherein the inhalation state display image is shown in fig. 9.

The communication in the above scheme is a wired mode, and the scheme further includes a power supply, a display, a switch, a housing, and other basic components for providing power to the system, which are not described herein.

Example 4

The scheme is an audio sensor scheme, wherein the audio sensor comprises a microphone, a unidirectional low-frequency whistle and a unidirectional high-frequency whistle, two unidirectional whistles with different frequencies are deployed in a breathing channel, and the unidirectional whistles are placed in opposite directions as shown in fig. 10. The unidirectional whistle means that the whistle only exists when the airflow direction is a specific direction.

When a user wears the mask on the mouth and nose, the breath detection device is started, and the audio sensor starts to work in the breathing channel;

when a user inhales, air flows in from left to right, the air pressure principle is that air flows from a high-pressure part to a low-pressure part, at the moment, a high-frequency unidirectional whistle is conducted, a high-frequency whistle sound is sent out, a microphone recognizes the high-frequency whistle sound and transmits an electric signal at the moment to a controller through a communication module, the controller receives the signal and acquires data to analyze, the respiration state of the user at the moment is judged to be an inspiration state, a prompt instruction is given, the prompt instruction is transmitted to an instruction module through the communication module, and the instruction module receives the instruction and displays the respiration state of the user at the moment to be an inspiration state through a physical prompt method.

When a user exhales, the air flow is reversed, the low-frequency unidirectional whistle is conducted at the moment, the low-frequency whistle is sent out, the microphone recognizes that the low-frequency whistle transmits the electric signal at the moment to the controller through the communication module, the controller receives the signal and acquires data for analysis, the respiration state of the user at the moment is judged to be an exhalation state, a prompt instruction is issued, the prompt instruction is transmitted to the instruction module through the communication module, and the instruction received by the module displays that the respiration state of the user at the moment is the exhalation state through a physical prompt method.

When a user is out of breath, no air flow exists in the channel, at the moment, any whistle does not have whistle sound, the electric signal at the moment is transmitted to the controller through the communication module, the controller receives the signal and acquires data for analysis, the breathing state of the user at the moment is judged to be an apnea state, a prompt instruction is given, and the prompt instruction is transmitted to the instruction module through the communication module, so that the instruction received by the module displays that the breathing state of the user at the moment is the apnea state through a physical prompt method.

The method of physical prompting is a variety of and is not described in detail herein.

The above solution further includes basic components such as a power source, a display, a switch, a housing, etc. for providing power to the system, which are not described herein.

The above-mentioned also includes a passive implementation scheme, only judge the breathing state of user through the low frequency or the high frequency of whistle, need not to carry out electric signal acquisition and transmission. Specifically, the user wears the passive mask to breathe, the audio frequency of whistle changes along with the change of the breathing state, the corresponding whistle also changes, and the breathing state of the user is transmitted to a technician or doctor through the whistle.

Example 5

The scheme is that a contact type temperature measurement sensor is deployed on the inner wall of a breathing channel, as shown in fig. 11.

When the user wears the mask on the nose and the mouth under the conditions of 37 ℃ and 25 ℃ of body temperature, starting the respiration detection device and starting the contact type temperature measurement sensor to work;

when a user inhales, air flows in from left to right, and the temperature of the air flows in at the moment is rapidly reduced and is close to the room temperature due to the inflow of room temperature air, the contact type temperature measuring sensor in the channel transmits the electric signal at the moment to the controller through the communication module, the controller receives the signal and acquires data to analyze, the respiration state of the user at the moment is judged to be an inspiration state, a prompt instruction is issued, and the prompt instruction is transmitted to the instruction module through the communication module, so that the module receives the instruction and displays the respiration state of the user at the moment as the inspiration state through a physical prompt method. Wherein the room temperature of the general radiology department is about 25 ℃ below the body temperature

When a user exhales, the air flow is reversed, the air exhausted from the respiratory organs of the user is heated by the body temperature, at the moment, the contact type temperature measuring sensor detects that the temperature rises rapidly and approaches to the body temperature and transmits an electric signal to the controller through the communication module, the controller receives the signal and acquires data to analyze, judges the respiratory state of the user at the moment to be an exhalation state, gives a prompt instruction, and transmits the prompt instruction to the instruction module through the communication module, so that the module receives the instruction to display that the respiratory state of the user at the moment is the exhalation state through a physical prompt method.

When a user is out of breath, no air flow exists in the channel, the contact type temperature measuring sensor detects that the temperature is between the room temperature and the body temperature and slowly changes to the room temperature, an electric signal is transmitted to the controller through the communication module, the controller receives the signal and acquires data to analyze, the respiration state of the user at the moment is judged to be an apnea state, a prompt instruction is issued, and the prompt instruction is transmitted to the instruction module through the communication module, so that the instruction received by the module shows that the respiration state of the user at the moment is the apnea state through a physical prompt method.

Among them, the physical prompting method is various and not described in detail here.

Example 6

The scheme is an oxygen concentration sensor mode, and an oxygen concentration sensor is deployed on the inner wall of a breathing channel, as shown in fig. 12.

The oxygen concentration in the respiratory tract changes due to the biochemical action of the human body as the air flow passes through.

When a user wears the mask on the nose and the mouth, the respiration detection device is started, and the oxygen concentration sensor starts to work;

when a user inhales, air flows in from left to right, and because of the inflow of room temperature air, the concentration detected by the oxygen sensor in the channel is rapidly close to the atmospheric oxygen concentration, the oxygen concentration detected by the oxygen concentration sensor is high, the oxygen sensor transmits the current electric signal to the controller through the communication module, the controller receives the signal and acquires data for analysis, the respiration state of the user at the moment is judged to be an inhalation state, a prompt instruction is given, and the prompt instruction is transmitted to the instruction module through the communication module, so that the module receives the instruction to display the respiration state of the user at the moment to be the inhalation state through a physical prompt method.

When a user exhales, the air flow is reversed, the oxygen concentration in the air exhausted from the respiratory organs of the user is reduced, at the moment, the oxygen concentration detected by the oxygen concentration sensor is low, the oxygen concentration detected by the oxygen concentration sensor is rapidly lower than the atmospheric oxygen concentration, the oxygen sensor transmits the current electric signal to the controller through the communication module, the controller receives the signal and acquires data for analysis, the respiratory state of the user at the moment is judged to be the respiratory state, a prompt instruction is issued, and the prompt instruction is transmitted to the instruction module through the communication module, so that the respiratory state of the user at the moment is shown to be the respiratory state through a physical prompt method by the module.

When a user is out of breath, no air flow exists in the channel, the oxygen concentration sensor detects that the oxygen concentration is between a low value and a high value and is slowly close to the atmospheric oxygen concentration, the oxygen sensor transmits an electric signal at the moment to the controller through the communication module, the controller receives the signal and acquires data for analysis, the respiration state of the user at the moment is judged to be an apnea state, a prompt instruction is issued, the prompt instruction is transmitted to the instruction module through the communication module, and the module receives the instruction to display that the respiration state of the user at the moment is the apnea state through a physical prompt method.

Among them, the physical prompting method is various and not described in detail here.

Example 7

The scheme is a carbon dioxide concentration sensor mode, and a carbon dioxide concentration sensor is deployed on the inner wall of a respiratory passage, as shown in fig. 13. The concentration of carbon dioxide in the respiratory tract changes due to the biochemical action of the human body as the air flow passes through.

When a user wears the mask on the nose and the mouth, the respiration detection device is started, and the carbon dioxide sensor starts to work;

when a user inhales, air flows in from left to right, and due to the inflow of room temperature air, the carbon dioxide sensor in the channel detects that the concentration is close to the atmospheric carbon dioxide concentration rapidly, the measured carbon dioxide concentration is low, the carbon dioxide sensor transmits an electric signal to the controller through the communication module, the controller receives the signal and acquires data to analyze, the breathing state of the user at the moment is judged to be the breathing state, a prompt instruction is given, and the prompt instruction is transmitted to the instruction module through the communication module, so that the module receives the instruction and displays the breathing state of the user at the moment to be the breathing state through a physical prompt method.

When a user exhales, the air flow is reversed, the carbon dioxide concentration in the air exhausted from the respiratory organs of the user rises, the carbon dioxide sensor detects that the oxygen concentration is rapidly higher than the atmospheric carbon dioxide concentration, the measured carbon dioxide concentration is high, the carbon dioxide sensor transmits the electric signal to the controller through the communication module, the controller receives the signal and acquires data for analysis, the respiration state of the user at the moment is judged to be an exhalation state, a prompt instruction is issued, and the prompt instruction is transmitted to the instruction module through the communication module, so that the module receives the instruction and displays the respiration state of the user at the moment to be an exhalation state through a physical prompt method.

When a user is out of breath, no air flow exists in the channel at the moment, the measured carbon dioxide concentration is between a low value and a high value and is slowly close to the atmospheric carbon dioxide concentration, the carbon dioxide sensor transmits the electric signal at the moment to the controller through the communication module, the controller receives the signal and acquires data to analyze, the respiration state of the user at the moment is judged to be an apnea state, a prompt instruction is issued, the prompt instruction is transmitted to the instruction module through the communication module, and the module receives the instruction to display that the respiration state of the user at the moment is the apnea state through a physical prompt method.

Among them, the physical prompting method is various and not described in detail here.

Example 8

The scheme is a strain gauge sensor mode, the flexible baffle is made of flexible or elastic materials, and the flexible baffle is positioned at the middle position in a normal state that the channel is free of air flow, as shown in fig. 14.

When a user wears the mask on the nose and the mouth, the respiration detection device is started, and the strain gauge sensor starts to work;

when a user inhales, air flows in from top to bottom, the data of the strain gauge changes along with the flowing direction of the air flow due to the action of the air flow, the resistance value of the strain gauge is low, the strain gauge sensor transmits the electric signal at the moment to the controller through the communication module, the controller receives the signal and acquires the data for analysis, the respiration state of the user at the moment is judged to be the inspiration state, a prompt instruction is issued, and the prompt instruction is transmitted to the instruction module through the communication module, so that the module receives the instruction and displays the respiration state of the user at the moment to be the inspiration state through a physical prompt method.

When a user exhales, the airflow is reversed, the resistance value of the strain gauge is high, the strain gauge sensor transmits the current electric signal to the controller through the communication module, the strain gauge sensor receives the signal and acquires data for analysis, the respiration state of the user at the moment is judged to be the exhalation state, a prompt instruction is issued, the prompt instruction is transmitted to the instruction module through the communication module, and the instruction received by the module displays that the respiration state of the user at the moment is the exhalation state through a physical prompt method.

When a user is out of breath, no air flow exists in the channel, the resistance value of the strain gauge is the median value, the strain gauge sensor receives signals and acquires data for analysis, the breathing state of the user at the moment is judged to be an apnea state, a prompt instruction is issued, the prompt instruction is transmitted to the instruction module through the communication module, and the instruction received by the module displays that the breathing state of the user at the moment is the apnea state through a physical prompt method.

Among them, the physical prompting method is various and not described in detail here.

Example 9

The scheme is that non-contact temperature measurement is carried out, and a non-contact thermal imaging temperature measurement sensor is deployed at a respiratory passage opening as shown in fig. 15. When the air flow passes through, the temperature of the air in the human body is different from the room temperature, so that the temperature of the breathing channel is changed.

When the mask is worn on the mouth and nose by a user at the temperature of 37 ℃ and the temperature of 25 ℃ and the respiration detection device is started, the non-contact thermal imaging temperature measurement sensor starts to work;

when a user inhales, air flows in from left to right, the temperature in the channel is close to the room temperature at the moment due to inflow of room temperature air, the non-contact thermal imaging temperature measuring sensor transmits the electric signal at the moment to the controller through the communication module, the controller receives the signal and acquires data to analyze, the respiration state of the user at the moment is judged to be the inspiration state, a prompt instruction is issued, the prompt instruction is transmitted to the instruction module through the communication module, and the module receives the instruction to display that the respiration state of the user at the moment is the inspiration state through a physical prompt method.

When a user exhales, the air flow is reversed, air is exhausted from the respiratory organ of the user to be close to the body temperature, the temperature in the channel is close to the body temperature at the moment, the non-contact thermal imaging temperature measuring sensor transmits the electric signal at the moment to the controller through the communication module, the controller receives the signal and acquires data to analyze, the respiratory state of the user at the moment is judged to be the respiratory state, a prompt instruction is issued, the prompt instruction is transmitted to the instruction module through the communication module, and the respiratory state of the user at the moment is displayed as the respiratory state through a physical prompt method by the module receiving the instruction.

When a user is out of breath, no air flow exists in the channel at the moment, the temperature in the channel is between the body temperature and the room temperature and is deviated to one side of the body temperature, the non-contact thermal imaging temperature measuring sensor transmits the electric signal at the moment to the controller through the communication module, the controller receives the signal and acquires data to analyze, the respiration state of the user at the moment is judged to be an apnea state, a prompt instruction is issued, the instruction is transmitted to the instruction module through the communication module, and the instruction received by the module displays that the respiration state of the user at the moment is the apnea state through a physical prompt method.

Among them, the physical prompting method is various and not described in detail here.

The scheme needle comprises, but is not limited to, temperature measurement of a respiratory passage, and also comprises direct temperature measurement of the periphery of a respiratory organ of a user, or temperature measurement of a region where the respiratory organ is located, such as temperature measurement of a region where a mask is worn, or temperature measurement of the respiratory organ, such as nostril, mouth and the like. The breathing state of the user is determined directly using thermal imaging to monitor the temperature change around the mouth and nose of the user with reference to the table above.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A respiratory prompting system, characterized in that: the breathing prompting system comprises a mask, a catheter, a sensor, a controller, a communication module and a prompting module;

the mask is used for covering the respiratory organs of the user;

the sensor is used for detecting the physical quantity of the detection factor in the respiratory channel changing along with the change of the respiratory state and generating corresponding electric signals, and the electric signals are transmitted to the controller by the communication module;

the controller is used for receiving the electric signals to read the data fed back by the sensor, running a respiration state detection control program and algorithm to judge the respiration state and issuing a prompt instruction, and transmitting the electric signals of the prompt instruction to the prompt module by utilizing the communication module;

the prompting module is used for receiving the electric signal transmitted by the controller to read a prompting instruction and displaying the current breathing state of the user according to the prompting instruction;

the face guard links to each other with the one end of pipe, and the other end of pipe links to each other with the external world, the sensor is arranged in the middle of the pipe or one end, communication module's input is connected to communication module's output, and communication module's output connection director's input, communication module's input is connected to the output of controller, communication module's output connection suggestion module's input.

2. A respiratory prompting system according to claim 1, wherein: the mask comprises a structural model for covering the mouth and nose, a binding belt for fixing the mask, and a catheter butt joint interface, wherein the catheter butt joint interface is used for connecting a sensor, and the breathing channel is convenient for a user to breathe normally and is composed of the mask and the catheter.

3. A method of respiratory prompting according to claim 1, wherein: the respiratory states include an inhalation state, an apnea state, and an exhalation state.

4. A respiratory prompting system according to claim 1, wherein: the different sensors correspond to different detection factors.

5. A respiratory prompting system according to claim 4, wherein: the sensor comprises an electrode type sensor, a vane type sensor, a pneumatic sensor, an audio type sensor, a contact type temperature sensor, an oxygen concentration sensor, a carbon dioxide concentration sensor, a strain gauge sensor and a non-contact type temperature measurement thermal imaging sensor.

6. A respiratory prompting system according to claim 5, wherein:

the electrode type sensor comprises an electrode A, an electrode B and an electrode C, wherein the electrode B is made of flexible or elastic materials, is positioned in the middle of a breathing channel in a normal state that the breathing channel does not have air flow, and is positioned at two sides of the electrode B, and the electrode B is not conducted with the electrode A and the electrode C; the detection factor is the conduction state between the electrodes; the on state of the electrode in the electrode type sensor can change along with the change of the breathing state of the user;

When the user is in an expiration state, the electrode A and the electrode B are in a conduction state, and corresponding electric signals are generated and transmitted to the controller by the communication module;

when the user is in an inhalation state, the electrode B and the electrode C are in a conduction state, and corresponding electric signals are generated and transmitted to the controller by the communication module;

when a user is in an apnea state, the electrode A and the electrode B are in a disconnection state, and corresponding electric signals are generated and transmitted to the controller by the communication module;

the vane type sensor consists of vanes and a motor coaxial with the vanes and is positioned in the middle of the breathing channel; the blade type sensor comprises a three-blade type sensor and a multi-blade type sensor;

the detection factor is the voltage between two ends of the motor electrode, and the voltage between the two ends of the motor electrode can change along with the change of the breathing state of the user;

when the user is in an apnea state, the motor stops rotating the voltage at the two ends of the electrode to be 0V, and a corresponding electric signal is generated and transmitted to the controller by the communication module;

when the user is in an expiration state, the voltages at the two ends of the motor forward rotating electrode are in a negative voltage state, and corresponding electric signals are generated and transmitted to the controller by the communication module;

When the user is in an air suction state, the voltages at the two ends of the motor reversing electrode are in a positive voltage state, and corresponding electric signals are generated and transmitted to the controller by the communication module;

the air pressure sensor is arranged in the catheter, and the pressure value detected by the air pressure sensor can change along with the change of the breathing state; the detection factor is the pressure value in the breathing channel;

when the user is in an apnea state, the pressure detected by the air pressure sensor is equal to a standard atmospheric pressure, and corresponding electric signals are generated and transmitted to the controller by the communication module;

when the user is in an expiration state, the pressure detected by the air pressure sensor is larger than a standard atmospheric pressure, and corresponding electric signals are generated and transmitted to the controller by the communication module;

when the user is in an inhalation state, the pressure detected by the air pressure sensor is smaller than a standard atmospheric pressure, and corresponding electric signals are generated and transmitted to the controller by the communication module;

the audio sensor comprises an audio generator and a microphone for sensing audio, wherein the audio changes along with the change of the breathing state; the detection factor is the frequency of sound;

when the user is in an apnea state, the two whistles have no whistle, and generate corresponding electric signals to be transmitted to the controller by the communication module;

When the user is in an expiration state, the air flow is reversed, the low-frequency unidirectional whistle is conducted, the low-frequency whistle sound is emitted, and corresponding electric signals are generated and transmitted to the controller by the communication module;

when a user is in an air suction state, air flows in from left to right, and air flows from a high-pressure part to a low-pressure part, so that the high-frequency unidirectional whistle is conducted, high-frequency whistle sound is emitted, and corresponding electric signals are generated and transmitted to the controller by the communication module;

the contact type temperature sensor is arranged on the inner wall of the breathing channel, the temperature measurement value and the temperature change state of the air temperature sensor can change along with the change of the breathing state, and the detection factor is the temperature measured by the temperature sensor; at a body temperature of 37 degrees celsius, at a room temperature of 25 degrees celsius:

when the user is in an apnea state, the temperature measurement value of the air temperature sensor is between the room temperature and the body temperature, the temperature slowly changes to the room temperature, and corresponding electric signals are generated and transmitted to the controller by the communication module;

when the user is in an expiration state, the temperature measurement value of the air temperature sensor is quickly heated and deviates to one side of the body temperature, and a corresponding electric signal is generated and transmitted to the controller by the communication module;

when a user is in an air suction state, the temperature measurement value of the air temperature sensor is quickly cooled and deviates to one side of the room temperature, and a corresponding electric signal is generated and transmitted to the controller by the communication module;

The oxygen concentration sensor is arranged in the respiratory channel, and the oxygen concentration detected by the oxygen sensor in the channel can change along with the change of the respiratory state; the detection factor is the oxygen concentration in the respiratory tract;

when the user is in an expiration state, the oxygen sensor detects that the oxygen concentration is lower than the atmospheric oxygen concentration, and at the moment, the oxygen sensor detects that the oxygen concentration is low, and generates corresponding electric signals to be transmitted to the controller by utilizing the communication module;

when the user is in an inhalation state, the concentration detected by the oxygen sensor is quickly close to the atmospheric oxygen concentration, and the oxygen sensor detects that the oxygen concentration is high, and generates corresponding electric signals to be transmitted to the controller by the communication module;

when the user is in an apnea state, the oxygen sensor detects that the oxygen concentration is between a low value and a high value and slowly approaches to the atmospheric oxygen concentration, and generates corresponding electric signals to be transmitted to the controller by the communication module;

the carbon dioxide concentration sensor is arranged in the respiratory channel, and the carbon dioxide concentration detected by the carbon dioxide sensor in the channel can change along with the change of the respiratory state; the detection factor is the concentration of carbon dioxide in the respiratory channel;

when the user is in an expiration state, the carbon dioxide sensor detects that the concentration is higher than the atmospheric carbon dioxide concentration, and at the moment, the carbon dioxide sensor detects that the carbon dioxide concentration is high, and generates corresponding electric signals to be transmitted to the controller by utilizing the communication module;

When a user is in an air suction state, the carbon dioxide sensor detects that the concentration is close to the atmospheric carbon dioxide concentration, and at the moment, the carbon dioxide sensor detects that the carbon dioxide concentration is low, and generates corresponding electric signals which are transmitted to the controller by utilizing the communication module;

when a user is in an apnea state, the carbon dioxide sensor detects that the concentration is between a low value and a high value and slowly approaches to the atmospheric carbon dioxide concentration, and generates corresponding electric signals to be transmitted to the controller by using the communication module;

the strain gauge sensor comprises a strain gauge and a flexible baffle, the flexible baffle is made of elastic materials, and the strain gauge sensor and the flexible baffle are positioned in the middle position inside the breathing channel; the resistance value of the strain gage can change along with the change of the breathing state; the detection factor is the resistance value of the strain gauge;

when a user is in an apnea state, the resistance value of the strain gauge is a median value, and corresponding electric signals are generated and transmitted to the controller by the communication module;

when the user is in an expiration state, the resistance value of the strain gauge is low, and corresponding electric signals are generated and transmitted to the controller by the communication module;

when a user is in an air suction state, the resistance value of the strain gauge is high, and corresponding electric signals are generated and transmitted to the controller by the communication module;

The non-contact temperature measurement thermal imaging sensor is arranged at one end of the mouth of the breathing channel, temperature data detected by thermal imaging of the sensor can change along with the change of the breathing state, and the detection factor is the surface temperature change of the skin around the breathing organ; at a body temperature of 37 degrees celsius, at a room temperature of 25 degrees celsius:

when the user is in an apnea state, the temperature value of the thermal imaging breathing channel is between the body temperature and the room temperature and deviates to one side of the body temperature, and corresponding electric signals are generated and transmitted to the controller by the communication module;

when the user is in an expiration state, the temperature value of the thermal imaging breathing channel is rapidly biased to one side of the body temperature, and corresponding electric signals are generated and transmitted to the controller by the communication module;

when the user is in an inhalation state, the temperature value of the thermal imaging breathing channel rapidly deviates to the room temperature side, and corresponding electric signals are generated and transmitted to the controller by the communication module.

7. A method of breath prompting, characterized by: the step of breathing cues includes:

the user wears the mask on the nose and the mouth;

starting a respiration detection device to collect detection factor information in a respiration channel;

reading and analyzing the detection factor information in real time, judging the breathing state of the user, and issuing a prompt instruction;

And finishing the breathing state prompt according to the prompt instruction.

8. A method of respiratory prompting according to claim 7, wherein: the detection factor information analysis comprises the following steps: the received detection factor information is transmitted to an analysis unit, and the user breathing state is judged by using an if function.

9. A method of respiratory prompting according to claim 7, wherein: the breathing state prompt presents different breathing states according to different physical prompt methods; the physical prompting method comprises sound, light, image-text combination, video and special graphical user interfaces.

10. A respiratory prompting device, characterized in that: comprising a processor and a memory, said memory storing a computer program, said processor implementing the steps of the respiratory alerting system of claim 1 when the computer program is executed.

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