CN113096508A

CN113096508A - Respiratory tract secretion collection simulation training control system and model

Info

Publication number: CN113096508A
Application number: CN202110350405.8A
Authority: CN
Inventors: 高振元; 贾彦疆; 潘斌
Original assignee: Tianjin Hanhai Nebula Digital Technology Co ltd
Current assignee: Tianjin Hanhai Nebula Digital Technology Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-07-09

Abstract

The invention relates to the technical field of medical teaching aids, and discloses a respiratory tract secretion acquisition simulation training control system and a model, which comprise a nasal cavity detection integrated component for detecting the operation accuracy of acquiring nasal cavity secretions; the pharyngeal detection integrated assembly is used for detecting the operation accuracy of collecting pharyngeal secretions; the embedded core unit is electrically connected with the nasal cavity detection integrated component and the pharyngeal detection integrated component through the input signal conditioning unit, and is used for analyzing, judging and integrating detection signals converted by the input signal conditioning unit. The scheme has high simulation degree, is convenient for students to collect and train swabs of nasal and pharyngeal secretions, and is simultaneously favorable for teaching and designing by teachers.

Description

Respiratory tract secretion collection simulation training control system and model

Technical Field

The invention relates to the technical field of medical teaching aids, in particular to a respiratory secretion acquisition simulation training control system and a model.

Background

With the development of technologies such as electronics, computers, virtual simulation, sensors and the like, profound changes are brought to all fields, particularly in the field of medical treatment, all countries in the world are also the fields of key development, and the rapid development of the technology in the field of medical treatment also provides more methods for diagnosis, treatment and the like of diseases, and contributes to huge social benefits and economic benefits. In the field of medical teaching, the fusion of various leading-edge technologies also changes the teaching mode profoundly, shortens the gap between classroom teaching and actual clinical practice, and achieves smooth transition and seamless link between teaching and practice.

Respiratory tract secretion collection is performed through a nasal cavity or a pharynx, the respiratory tract secretion collection is used for pathogenic detection of bacteria, viruses and the like, and the collection of the respiratory tract secretion relates to collection parts, collection methods, collection time and other factors which are related, so that the reliability and accuracy of sample collection are directly influenced by the factors, and in order to achieve a better collection effect, repeated practice is needed to master corresponding skills.

In traditional exercise mode, the majority trains through the real person, adopts the real person to practise, hardly finds the personnel that can compare the complex, even can find the personnel that compare the complex, also be unsuitable to gather the exercise many times to same people in the short time, greatly reduced training personnel's exercise chance, and this operation just need practise repeatedly many times in the short time again, experience feels, improves proficiency and skill.

If the patient is directly subjected to the acquisition exercise, the training person is potentially infected, the training person is easily subjected to operation errors due to low proficiency when the training person is started, and the training person is likely to be infected due to the errors.

With real person practice, due to unskilled or wrong operation of the trained personnel, injury to the person to be collected, such as damage to respiratory mucosa, or discomfort such as nausea and cough, may be caused, and collection may not be completed normally.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a respiratory tract secretion acquisition simulation training control system and a model, which have high simulation degree and are convenient for students to perform swab acquisition training of nasal and pharyngeal secretions.

In order to achieve the above purpose, the invention provides the following technical scheme:

a respiratory secretion collection simulation training control system comprises

The nasal cavity detection integrated assembly is used for detecting the operation accuracy of collecting nasal cavity secretion;

the pharyngeal detection integrated assembly is used for detecting the operation accuracy of collecting pharyngeal secretions;

the embedded core unit is electrically connected with the nasal cavity detection integrated component and the pharyngeal detection integrated component through the input signal conditioning unit, and is used for analyzing, judging and integrating detection signals converted by the input signal conditioning unit.

In the present invention, further, the nasal cavity detection integrated component at least includes a nasal cavity false triggering sensor, a nasal palatal arch step triggering sensor and a nasal palatal arch step acquisition time sensor, the nasal cavity false triggering sensor is used for detecting a nasal cavity channel error, the nasal palatal arch step triggering sensor is used for detecting a nasal cavity acquisition correctness, and the nasal palatal arch step acquisition time sensor is used for detecting a nasal cavity acquisition dwell time.

In the present invention, the integrated pharyngeal detection assembly at least includes a uvula trigger sensor, a throat wall trigger sensor and two palatophilus tonsils trigger sensors, the uvula trigger sensor is used for detecting a trigger signal at the uvula, the throat wall trigger sensor is used for detecting a collecting position of the throat, and the palatophilus tonsils trigger sensor is used for detecting collecting positions of the tonsils and the palatophilus tonsils.

In the invention, the power supply and the wired bluetooth communication unit are electrically connected with the embedded core unit, the power supply unit is used for providing required power supply for a circuit, and the wireless bluetooth communication unit is used for realizing data transmission with a PC terminal.

In the present invention, preferably, the power supply unit includes a charging circuit, a lithium ion circuit, a charging management circuit, and a power conversion circuit, where the charging circuit and the lithium ion circuit are both connected to the power management circuit, the power conversion circuit is electrically connected to the lithium ion circuit, and the power conversion circuit is configured to convert a voltage output by the lithium ion circuit to provide a required power to the circuit.

In the present invention, further, the embedded core unit includes a main control chip, ports a0 to a7 of the main control chip are connected to the input signal conditioning unit, ports D2 to D9 of the main control chip are connected to a display interface JP301, and the display interface JP301 is used for connecting a display to indicate the detection data.

In the present invention, the wireless bluetooth communication unit further includes a communication chip with a model number BT _ HC _06, and TX and RX ports of the communication chip are correspondingly connected to RX0 and TX1 ports of the main control chip, respectively, for implementing transceiving of communication data.

In the present invention, further, the charging management circuit includes a power management chip with a model number of SGM4056, pin 1 of the power management chip is connected to the charging circuit, pin 8 of the power management chip is connected to the lithium ion circuit,

pins

3 and 4 of the power management chip are connected to a charging indicator light, and the charging indicator light is used for indicating two charging modes.

In the present invention, further, the charging circuit and the lithium ion circuit are both electrically connected to the main control chip for implementing switching control of the charging mode.

A respiratory secretion collection simulation training model is based on the respiratory secretion collection simulation training control system and comprises a simulation head, wherein an upper respiratory tract model is arranged in the simulation head, and the upper respiratory tract model at least comprises a simulation nose, a simulation nasal cavity, a simulation oral cavity, a simulation tongue part, a simulation uvula and a simulation pharyngeal part;

the nasal cavity false triggering sensor is arranged in a nasal passage at the front side of the simulated nasal cavity;

the nose palatal arch step triggering sensor is arranged in the nose palate behind the simulation nasal cavity;

the oropalatine arch step acquisition time sensor is arranged in a nasal passage at the rear side of the simulated nasal cavity;

the uvula triggering sensor is installed at the rear side of the simulated uvula;

the throat wall trigger sensor is arranged on the pharyngeal wall of the simulated pharynx;

the trigger sensor of palatophilus tonsils is arranged on tonsils at two sides of uvula.

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

the invention constructs a simulation model of the upper respiratory tract of a human body, simulates secretion collecting parts of the nasal cavity, the nasal passage, the tongue, the oral cavity, the throat, the uvula, the tonsils, the faucial pillars, the throat wall and the like of the human body, sets a detection sensor at the collecting part, detects the collected position through the sensor, judges the accuracy of the student in collecting the secretion of the nose and the pharynx by judging whether the position of the nose is correct, whether the collecting time is enough, whether the collecting part of the pharynx is correct, whether the collecting time is enough and the like, and can communicate with an analog end device through a wireless Bluetooth unit to obtain various information of the front end. The whole training process is displayed through the display in real time, the problems existing in the operation process can be found at any time, and if the display is operated by mistake, a prompt can be made, so that the training cost and the training danger are reduced, direct training in clinic is avoided, and the harm to patients and potential medical risks are reduced. In addition, the device can provide a transition between teaching and clinical practice, so that students can master the difficulty of secretion collection through repeated training on simulation equipment, and the skill and proficiency are improved. Meanwhile, the method can provide the teachers with the basis for training and teaching, and find that the students have problems in the training process.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a general block diagram of a respiratory secretion collection simulation training control system according to the present invention;

FIG. 2 is a schematic structural diagram of a training model for simulating respiratory secretion collection according to the present invention;

FIG. 3 is a circuit diagram of an embedded core unit and an input signal conditioning unit of the present invention;

FIG. 4 is a schematic circuit diagram of a mid-socket JP201 of the present invention;

FIG. 5 is a circuit diagram of a wireless Bluetooth communication unit according to the present invention;

FIG. 6 is a circuit diagram of a lithium battery cell circuit of the present invention

FIG. 7 is a circuit diagram of a mid-charge circuit and charge management circuit of the present invention;

fig. 8 is a circuit diagram of the medium power conversion circuit of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, a preferred embodiment of the present invention provides a respiratory secretion collection simulation training control system, comprising:

the embedded core unit 9 is electrically connected with the nasal cavity detection integrated component and the pharyngeal detection integrated component through the input signal conditioning unit 7, and the embedded core unit 9 is used for analyzing, judging and integrating detection signals converted by the input signal conditioning unit 7.

The scheme mainly applies to the training of students on the collection of nasal and pharyngeal secretions to form the transition between teaching and clinical practice, the scheme utilizes sensors at different positions in a nasal cavity detection integrated component and a pharyngeal detection integrated component to detect the accuracy of swab collection of the nasal and pharyngeal secretions of the students, converts the detection signals through an input signal conditioning unit 7, inputs the detection signals into an embedded core unit 9 to perform data analysis, and feeds back results in time to correct wrong behaviors. So can let the student through the training of relapse on analog device, master the difficult point of secretion collection, improve skill and proficiency, avoid directly training in clinical, reduce injury and the potential medical risk to patient.

In the invention, further, the nasal cavity detection integrated component at least comprises a nasal cavity false triggering sensor 1, a nasal and palatal arch step triggering sensor 2 and a nasal and palatal arch step acquisition time sensor 3, wherein the nasal cavity false triggering sensor 1 is used for detecting a nasal cavity channel error, the nasal and palatal arch step triggering sensor 2 is used for detecting a nasal cavity acquisition correctness, and the nasal and palatal arch step acquisition time sensor 3 is used for detecting a nasal cavity acquisition residence time.

Integrated component is detected to pharyngeal portion includes uvula trigger sensor 4, throat wall trigger sensor 5 and the palatophilum tonsils trigger sensor 6 of both sides at least, and uvula trigger sensor 4 is used for detecting the trigger signal of uvula department, and throat wall trigger sensor 5 is used for the position detection of collection of throat portion, and palatophilum tonsils trigger sensor 6 is used for tonsil and palatophilum to gather the position detection.

Specifically, the palatal arch tonsil trigger sensors 6 at two sides of the nasal cavity false trigger sensor 1, the nasal and palatal arch step trigger sensor 2, the uvula trigger sensor 4 and the throat wall trigger sensor 5 all use a proximity sensor or a displacement sensor, the nasal and palatal arch step acquisition time sensor 3 is a photoelectric sensor or a proximity sensor, the sensors are all connected to the socket JP201 through a conducting wire, and the detection signals are transmitted to the embedded core unit 9 through the socket JP 201.

In the present invention, as shown in fig. 3, the embedded core unit 9 includes a main control chip U301, the main control chip U301 is XTWDUINO, and the development board is small in size, cheap and convenient to use. The ports of the main control chip a0 to a7 are connected with the input signal conditioning unit 7, specifically, the input signal conditioning unit 7 includes capacitors C303 to C310, the capacitors C303 to C310 are sequentially connected to the ports a0 to a7 for implementing level conversion and filtering of input signals, the ports D2 to D9 of the main control chip are connected with a display interface JP301, and the display interface JP301 is used for connecting a display to indicate detected data. After receiving the detection signal of the sensor, the main control chip U301 analyzes and integrates the data, and sends the result to the display for display, and the display can perform voice reminding operation to determine whether there is an error or not, and display the accuracy of each detection data, so as to correct the operation in time during the next operation.

In the invention, the Bluetooth communication system further comprises a power supply unit and a wireless Bluetooth communication unit 8, wherein the power supply and the wired Bluetooth communication unit are electrically connected with the embedded core unit 9, the power supply unit is used for providing required power supply for circuits, and the wireless Bluetooth communication unit 8 is used for realizing data transmission with a PC terminal. The wireless Bluetooth module is communicated with the PC terminal, so that a teacher can send data such as teaching videos to a display where a student is located through the computer and can design items such as theoretical practice assessment to assess the operation of the student, and assessment results can be directly fed back to the computer of the teacher. Therefore, the teaching efficiency is greatly improved.

In the present invention, as shown in fig. 5, the wireless bluetooth communication unit 8 includes a communication chip U302 with a model number BT _ HC _06, which has low power consumption and is convenient for communication, TX and RX ports of the communication chip U302 are respectively connected to RX0 and TX1 ports of the main control chip, respectively, for implementing transceiving of communication data, and the

pins

1 and 2 of the communication chip U302 are further connected to a bluetooth serial port JP03, and the bluetooth serial port JP03 is used for implementing communication with each computer, display, mobile phone, and the like.

In the present invention, preferably, the power supply unit includes a charging circuit 13, a lithium ion circuit 11, a charging management circuit 12, and a power conversion circuit 10, where the charging circuit 13 and the lithium ion circuit 11 are both connected to the power management circuit, the power conversion circuit 10 is electrically connected to the lithium ion circuit 11, and the power conversion circuit 10 is configured to convert a voltage output by the lithium ion circuit 11 to provide a required power supply for the circuit. The power supply unit has two power supply modes of charging and lithium ion battery charging, is convenient to charge and move and use, simultaneously manages and switches the two charging modes through the power supply management circuit, ensures the charging to be safe and reliable, realizes the multi-stage conversion of voltage by using the power supply conversion circuit 10 to charge the singlechip and peripheral circuits, and ensures the power supply safety of the system.

In the present invention, as shown in fig. 7, the charging management circuit 12 includes a power management chip U101 with a model number of SGM4056, a pin 1 of the power management chip U101 is connected to the charging circuit 13, a pin 8 of the power management chip is connected to the lithium ion circuit 11, and pins 3 and 4 of the power management chip are connected to charging indicator lamps, and the charging indicator lamps are used for indicating two charging modes. Specifically, the single chip microcomputer of the model SGM4056 is a single lithium battery linear power supply management chip U101 supporting an OVP function. The product has the characteristics of high input voltage resistance, over-temperature resistance, over-current protection, over-voltage protection, built-in charging flow control and the like. SGM4056 can withstand input voltages of up to 26.5V. When the input voltage is higher than 6.8V/10.5V, the overvoltage protection function OVP is started, and the charging action is automatically turned off to protect the system safety. The rated charging current is 900mA, an external power MOSFET is not needed, the design of a user system is simplified, the charging current and the charging cut-off current can be freely set, the problems that the indicating state is unstable and the charging cannot be fully charged during on-load charging are avoided, and the charging period is shortened.

In the present invention, further, the charging circuit 13 and the lithium ion circuit 11 are both electrically connected to the main control chip U301, and are configured to implement switching control of a charging mode. Specifically, the charging circuit 13 includes a charging jack JP101, wherein a pin 1 of the charging jack JP101 outputs a charging signal CHAR _ IN, the charging signal CHAR _ IN is filtered by a capacitor C101 and then input to a pin 1 of a power management chip U101, the charging signal CHAR _ IN is connected to a transistor Q102 by a diode D102 and a resistor R117, and a collector of the transistor Q102 outputs a 3V3 power supply after being converted by a resistor R115 and a diode D103 to supply power to the single chip microcomputer. The collector of the triode Q102 is connected to pin 6 of the main control chip U301 through a resistor R116, and is used for controlling the charging circuit 13 by the main control chip U301.

As shown in fig. 6, the lithium ion circuit 11 includes a lithium ion battery interface JP102, a switch S101 is connected to pin 1 of the lithium ion battery interface JP102, the switch S101 is a manual control switch using lithium ion power supply, the switch S101 is connected to a lithium ion power supply indicator LED102 for indicating the amount of power supplied to the lithium ion, and the other branch of the switch S101 outputs a V _ BAT voltage through a diode D101 to supply power to the circuit and provide a converted voltage. The V _ BAT voltage is connected to a lithium battery management chip U104 through an electric group R109, the model is CN103, a pin 3 of the lithium battery management chip U104 is connected with a triode Q102, a collector of the triode Q102 is connected with a resistor R112 and an indicator light LED3, and the indicator light LED3 is used for indicating the normal state of lithium ion power supply. The 5 pins of the lithium battery management chip U104 are connected to the 5 pins of the main control chip U301 through the resistor R120, so as to realize power supply control of the main control chip U301 to the lithium ion circuit 11.

Specifically, as shown in fig. 8, the power conversion circuit 10 includes a first voltage regulation chip U103 and a second voltage regulation chip U103, the types of the first voltage regulation chip U103 and the second voltage regulation chip U103 are both SGM2036-3.3, pin 1 of the first voltage regulation chip U103 is connected with V _ BAT voltage, and filters the voltage across capacitor C103 and capacitor C104 to filter out signal interference, the first voltage regulation chip U103 converts the V _ BAT voltage into 3V3 voltage to supply power to the single chip microcomputer and other peripheral circuits, pin 1 of the second voltage regulation chip U103 is connected with V _ BAT voltage to filter out signal interference across capacitor C107 and capacitor C108, and the second voltage regulation chip U1033 converts the V _ BAT voltage into SWAB _3V3 voltage to supply power to each sensor.

As shown in fig. 2, based on the above-mentioned respiratory secretion collection simulation training control system, the present invention further provides a respiratory secretion collection simulation training model, which comprises a simulation head, wherein an upper respiratory tract model is arranged in the simulation head, the upper respiratory tract model is approximately consistent with the respiratory tract position and direction of the human body, and the upper respiratory tract model at least comprises a simulation nose 14, a simulation nasal cavity 15, a simulation oral cavity 16, a simulation tongue 17, a simulation uvula 18 and a simulation pharyngeal wall 19;

the nasal cavity false triggering sensor 1 is arranged in a nasal passage at the front side of the simulated nasal cavity 15 and is used for detecting whether a nasal cavity passage into which a cotton swab is inserted is correct or not when nasal cavity secretion is collected. The nose palatal arch step triggering sensor 2 is arranged in the nose palate behind the simulation nasal cavity 15 and is used for detecting the insertion depth of the cotton swab; the oropharyngeal step acquisition time sensor 3 is arranged in a nasal passage at the rear side of the simulated nasal cavity 15 and is used for detecting the insertion time of a cotton swab; the three sensors are used for detecting the operation of students when nasal secretion collection is carried out.

The uvula trigger sensor 4 is installed at the rear side of the simulated uvula 18 and used for detecting uvula trigger; the throat wall trigger sensor 5 is arranged on the simulated throat wall 19 and is used for detecting the acquisition position of the throat wall, and when throat swab acquisition is carried out, the cotton swab needs to reach the position of the throat wall and then lightly touches more secretions at the bottom of the pharynx; the trigger sensor 6 is mounted on the tonsils on both sides of the uvula, and is used for detecting the positions of the left tonsils, the right tonsils and the palatal arch. The above three sensors are primarily directed to the collection of pharyngeal swabs.

In the present embodiment, the operation principle is:

the invention is mainly used for collecting and training nasopharynx swabs by students by utilizing a simulation training model, and the model completely simulates the size of the upper respiratory tract of a human body and organs of each part.

When the nasal swab is used for collection, the model is backwards tilted by 45 degrees and dragged by the left hand, the cotton swab is quickly inserted into the simulated nasal cavity 15 by the right hand, the insertion direction of the cotton swab is perpendicular to the face of the model, the insertion depth is the distance from the nasal tip to the earlobe, information such as nasal cavity channel error information, correct nasal cavity collection positions and residence time in the nasal cavity is collected by the aid of the nasal cavity false trigger sensor 1, the nasal and palatal arch step trigger sensor 2 and the nasal and palatal arch step collection time sensor 3 in the process, and the level conversion, filtering and the like are completed and the information is sent to the embedded core processor through the input signal conditioning unit 7.

When the throat swab is used for collection, when the cotton swab reaches the simulated pharyngeal wall 19 (with the feeling of touching the wall), the cotton swab slightly stays, all the parts in the collection process are detected through the uvula trigger sensor 4, the throat wall trigger sensor 5 and the palatophyllum tonsils trigger sensors 6 on the two sides, and detection data are converted by the input signal conditioning unit 7 and then transmitted to the embedded core unit 9.

The embedded core unit 9 performs data analysis and integration, sends the result to the display for display, and the display can perform voice reminding to determine whether the operation is wrong and display the accuracy of each detection data, so as to correct the wrong behavior in the next operation. So can let the student through the training of relapse on analog device, master the difficult point of secretion collection, improve skill and proficiency, avoid directly training in clinical, reduce injury and the potential medical risk to patient.

Meanwhile, the embedded core unit 9 communicates with the PC terminal through the wireless Bluetooth communication unit 8, so that a teacher can send data such as teaching videos to a display where a student is located through a computer and can design items such as theoretical practice assessment to assess the operation of the student, and assessment results can be directly fed back to the computer of the teacher. Therefore, the teaching efficiency is greatly improved.

The above description is intended to describe in detail the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the claims of the present invention, and all equivalent changes and modifications made within the technical spirit of the present invention should fall within the scope of the claims of the present invention.

Claims

1. A respiratory secretion collection simulation training control system is characterized by comprising

the device comprises an embedded core unit (9), wherein the embedded core unit (9) is electrically connected with the nasal cavity detection integrated component and the pharyngeal detection integrated component through an input signal conditioning unit (7), and the embedded core unit (9) is used for analyzing, judging and integrating detection signals converted by the input signal conditioning unit (7).

2. The analog simulation training control system for respiratory tract secretion collection according to claim 1, wherein the nasal cavity detection integrated component at least comprises a nasal cavity false triggering sensor (1), a nasal and palatal arch step triggering sensor (2) and a nasal and palatal arch step collection time sensor (3), the nasal cavity false triggering sensor (1) is used for detecting the error of a nasal cavity channel, the nasal and palatal arch step triggering sensor (2) is used for detecting the correct nasal cavity collection, and the nasal and palatal arch step collection time sensor (3) is used for detecting the retention time of the nasal cavity collection.

3. The analog training control system for airway secretion collection according to claim 2, wherein the integrated pharyngeal detection assembly comprises at least a uvula trigger sensor (4), a throat wall trigger sensor (5) and two palatophilus tonsils trigger sensors (6), the uvula trigger sensor (4) is used for detecting a trigger signal at the uvula, the throat wall trigger sensor (5) is used for detecting a throat collection position, and the palatophilus tonsils trigger sensor (6) is used for detecting tonsils and a palatophilus collection position.

4. The respiratory tract secretion collecting analog simulation training control system according to claim 1, further comprising a power supply unit and a wireless Bluetooth communication unit (8), wherein the power supply unit and the wireless Bluetooth communication unit (8) are electrically connected with the embedded core unit (9), the power supply unit is used for providing required power for a circuit, and the wireless Bluetooth communication unit (8) is used for realizing data transmission with a PC terminal.

5. The analog simulation training control system for respiratory tract secretion collection according to claim 4, wherein the power supply unit comprises a charging circuit (13), a lithium ion circuit (11), a charging management circuit (12) and a power conversion circuit (10), the charging circuit (13) and the lithium ion circuit (11) are both connected with the power management circuit, the power conversion circuit (10) is electrically connected with the lithium ion circuit (11), and the power conversion circuit (10) is used for converting the voltage output by the lithium ion circuit (11) to provide the required power supply for the circuit.

6. The analog simulation training control system for respiratory secretion collection according to claim 5, wherein the embedded core unit (9) comprises a main control chip (U301), the ports A0-A7 of the main control chip (U301) are connected with the input signal conditioning unit (7), the ports D2-D9 of the main control chip are connected with a display interface (JP301), and the display interface (JP301) is used for connecting a display to indicate detection data.

7. The analog training control system for collecting airway secretions according to claim 6, wherein the wireless bluetooth communication unit (8) comprises a communication chip (U302) with model number BT _ HC _06, and TX and RX ports of the communication chip (U302) are respectively connected with RX0 and TX1 ports of the main control chip (U301) for transmitting and receiving communication data.

8. The respiratory tract secretion collection simulation training control system according to claim 5, wherein the charging management circuit (12) comprises a power management chip (U101) with a model number of SGM4056, wherein 1 pin of the power management chip (U101) is connected with the charging circuit (13), 8 pins of the power management chip (U101) are connected with the lithium ion circuit (11), 3 pins and 4 pins of the power management chip (U101) are connected with a charging indicator lamp (LED101), and the charging indicator lamp (LED101) is used for indicating two charging modes.

9. The respiratory tract secretion collecting simulation training control system according to claim 7, wherein the charging circuit (13) and the lithium ion circuit (11) are electrically connected with the main control chip (U301) for controlling the charging mode.

10. An airway secretion collection simulation training model based on the airway secretion collection simulation training control system of any one of claims 1 to 9, comprising a simulation head, wherein an upper airway model is arranged in the simulation head, and the upper airway model at least comprises a simulation nose (14), a simulation nasal cavity (15), a simulation oral cavity (16), a simulation tongue (17), a simulation uvula (18) and a simulation pharyngeal wall (19);

the nasal cavity false triggering sensor (1) is arranged in a nasal passage at the front side of the simulated nasal cavity (15);

the nasopalatal arch step triggering sensor (2) is arranged at the palatal arch part at the rear side of the simulated nasal cavity (15);

the oropalatine arch step acquisition time sensor (3) is arranged in a nasal passage at the rear side of the simulation nasal cavity (15);

the uvula trigger sensor (4) is installed on the rear side of the simulated uvula (18);

the throat wall trigger sensor (5) is arranged on the simulated throat wall (19);

the tonsils trigger sensors (6) of the palatal arch are arranged on the tonsils and the palatal arch which are positioned at two sides of the simulated uvula (18).