CN109701227B - Respiratory training device for chronic obstructive pulmonary disease and use method - Google Patents
Respiratory training device for chronic obstructive pulmonary disease and use method Download PDFInfo
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- 230000000241 respiratory effect Effects 0.000 title claims abstract description 47
- 238000012549 training Methods 0.000 title claims abstract description 45
- 208000006545 Chronic Obstructive Pulmonary Disease Diseases 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 11
- 230000004199 lung function Effects 0.000 claims abstract description 7
- 230000008859 change Effects 0.000 claims abstract description 6
- 239000010985 leather Substances 0.000 claims description 19
- 238000001514 detection method Methods 0.000 claims description 11
- 238000007664 blowing Methods 0.000 claims description 7
- 239000013078 crystal Substances 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 6
- 230000005284 excitation Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 34
- 230000009325 pulmonary function Effects 0.000 description 9
- 238000013461 design Methods 0.000 description 6
- 230000002685 pulmonary effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000004202 respiratory function Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 208000006673 asthma Diseases 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 208000014085 Chronic respiratory disease Diseases 0.000 description 1
- 208000000059 Dyspnea Diseases 0.000 description 1
- 206010013975 Dyspnoeas Diseases 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000000414 obstructive effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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- 230000004936 stimulating effect Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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Abstract
The invention relates to the field of lung function training equipment, in particular to a respiratory training device for chronic obstructive pulmonary disease, which comprises: the device comprises a shell, wherein one end of the shell is provided with an air inlet, a channel is formed in the shell, and a sliding block is arranged in the channel; the gas accommodating part is positioned between the sliding block and the shell gas inlet, and is flexibly arranged and can accommodate gas breathed in by the shell gas inlet, so that the sliding block moves along the length direction of the channel to change the volume of the gas accommodating part; and the exhalation quantity expression device can calculate and display the quantity of the gas breathed in by the gas inlet. The invention is convenient for the patient to carry and use, can carry out breathing training at any time and any place, can specifically express the breathing quantity of the patient in each training process, ensures that the patient can timely and accurately acquire the breathing capacity of the lung function, plays an effective auxiliary excitation role, and is beneficial to the breathing training book of the patient.
Description
Technical Field
The invention relates to the field of lung function training equipment, in particular to a respiratory training device for chronic obstructive pulmonary disease and a using method thereof.
Background
The chronic obstructive pulmonary disease belongs to chronic respiratory diseases, a patient generally needs to carry out pulmonary training, particularly pulmonary rehabilitation training after chest surgery, and a common training mode is respiratory training, and respiratory function of the patient can be maintained or improved through respiratory training, so that lung repair is facilitated; currently, pulmonary function can be assessed using a pulmonary function meter, and the primary assessment indicator used therein is FEV1/FVC,
In addition, in the pulmonary rehabilitation training process, the pulmonary rehabilitation effect needs to be evaluated through the evaluation of respiratory function, the respiratory function is evaluated by adopting pulmonary function indexes, FEV1, FVC and FEV1/FVC are commonly used pulmonary function indexes, FEV1 is the maximum expiration after the maximum deep inspiration, the volume of the expiration volume of the first second of the maximum expiration, FEV1% measurement is a commonly used index for judging asthma and COPD, asthma is mainly dyspnea with respiratory gas, and therefore FEV1% measurement is reduced or obviously reduced. Clinically, the ratio of FEV 1/forced vital capacity FVC (FEV 1%) is usually used for judging that the normal value is 83%; the obstructive or mixed form is slightly reduced to significantly reduced; the limitation is that the value is normal or slightly elevated.
At present, two major types of pulmonary function instruments mainly exist, one is a portable pulmonary function instrument, the other is a small mask type pulmonary function instrument for scientific research institutions, but the two pulmonary function instruments are not suitable for being carried about for use, and are precise and high in price, and are generally applied to hospitals and scientific research places for patient testing, and in the prior art, no equipment which is suitable for patients to carry about and can perform breathing training at any time is available.
Disclosure of Invention
The invention provides a respiratory training device for chronic obstructive pulmonary disease and a use method thereof, which have reasonable structural design, are convenient for patients to carry and use, can specifically express the respiratory capacity of the patients in each training process at any time and any place, enable the patients to timely and accurately acquire the respiratory capacity of the pulmonary function, play an effective auxiliary excitation role, are beneficial to respiratory training of the patients and solve the problems in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: a respiratory training device for chronic obstructive pulmonary disease, comprising:
the device comprises a shell, wherein one end of the shell is provided with an air inlet, a channel is formed in the shell, and a sliding block is arranged in the channel;
the gas accommodating part is positioned between the sliding block and the shell gas inlet, and is flexibly arranged and can accommodate gas breathed in by the shell gas inlet, so that the sliding block moves along the length direction of the channel to change the volume of the gas accommodating part;
the device for expressing the expiration quantity can calculate and display the amount of the gas breathed in by the air inlet and comprises a data detection module, wherein the data detection module is connected with a control module through a wire, the control module is connected with a display module through a wire, and the control module is connected with a power supply through a wire.
Preferably, the channel in the housing comprises a cylindrical channel, and the slider is correspondingly configured as a cylindrical slider.
Preferably, the gas accommodating part comprises an air bag, one end of the air bag is connected with the sliding block, the other end of the air bag is connected with the air inlet of the shell, the air bag is communicated with the air inlet of the shell, the air breathed in by the air inlet of the shell can prop up the air bag, and the air bag can drive the sliding block to move along the length direction of the channel;
The sliding blocks in the air bags are connected with the supporting device, the supporting device comprises a plurality of supporting rings, the supporting rings enable the air bags to be in contact with the inner wall of the channel, the supporting rings are connected in series through elastic ribs, and the elastic ribs are distributed along the circumferential direction of the supporting rings; one end of the elastic rib is connected with the air inlet of the shell, and the other end of the elastic rib is connected with the sliding block.
Preferably, the device further comprises an expiratory resistance control unit, wherein the expiratory resistance control unit comprises an air hole formed in the shell, the air hole is matched with a hole plug, the shell is connected with a pressurizing device, and the pressurizing device conveys external air into the shell; the shell is internally provided with an air pressure sensor which is connected with the control module through a wire.
Preferably, the pressurizing device comprises an air-filling leather bag communicated with the inside of the shell, and the air-filling leather bag is provided with a first one-way valve which only allows external air to enter the air-filling leather bag, and a second one-way valve which only allows air inside the air-filling leather bag to enter the shell.
Preferably, the data detection module comprises a distance sensor arranged at the other end of the shell, the distance sensor can measure the distance between the data detection module and the sliding block, and the display module comprises a display; when the air inlet is not breathing in the air, the air bag is in a normal state, and a first length is arranged between the sliding block and the distance sensor; when the air inlet exhales, the air bag is in an inflated supporting state, and a second variable length is arranged between the sliding block and the distance sensor;
the control module comprises a PLC controller, the distance sensor is connected with the PLC controller through a wire, the display is connected with the PLC controller through a wire, and the battery module is connected with the PLC controller through a wire.
Preferably, the exhalation quantity expression device further comprises a timer, the timer can set interval time, the PLC controller can control the distance sensor to respectively acquire the distance between the two distance sensors and the sliding block before and after the interval time, and the timing module is connected with the PLC controller through a wire.
Preferably, the timer includes the timer chip, the model of timer chip is DS1302, be equipped with eight pins on the timer chip, the VCC pin on the first pin of timer chip and the main control chip links to each other, the first pin passes through electric capacity C19 ground connection setting, be connected with the second crystal oscillator device on No. two pins and the No. three pins, no. four pin ground connection setting, no. five pins link to each other with the VCC pin on the main control chip through resistance R15, no. six pins link to each other with the VCC pin on the main control chip through resistance R1, no. seven pins link to each other with the I2C SCLK pin on the main control chip, no. seven pins link to each other with the VCC pin on the main control chip through resistance R2, no. eight pins are connected with the battery BT1 of ground connection setting.
Preferably, the PLC is connected with the delay relay through a wire, and the delay relay is connected with the button switch through a wire.
A method of using a respiratory training device for chronic obstructive pulmonary disease, comprising the steps of:
S1: measuring a first length d1 by using the distance sensor, setting the extension time of the delay relay to be t1 seconds, setting the interval time t2 seconds of the timer, and exhaling from the air inlet position after the button switch is turned on;
S2: turning on a PLC controller after t1 seconds after the push switch is turned on, controlling the timer to work after the PLC controller receives the signal, timing after the timer is turned on, transmitting the signal to the PLC controller after t2 seconds, controlling the distance sensor to work by the PLC controller, measuring and obtaining a second length d2 of the distance sliding block at the moment, and transmitting second length d2 data to the PLC controller;
s3: the PLC controller obtains a second length d2 and brings the second length d2 into a preset first calculation formula: h=d1-d 2, the value of h is obtained by subtracting the second length from the first length, and the value is brought into a preset second calculation formula again: v=pi r 2 h, wherein r in the formula is the radius of the inner wall of the channel, and the radius can be measured and input to the PLC in advance to obtain the gas quantity entering the air bag in the time period from the beginning of expiration to t2 seconds;
S4: the PLC is internally preset with an expiration quantity V1 with normal lung function in a period from the beginning of expiration to t2, and the actual gas quantity V obtained in the step S3 is brought into a preset third calculation formula: V/V1, a percentage value is obtained;
s5: and the PLC controller transmits the obtained percentage value to a display for display.
The respiratory training device has the beneficial effects that the structural design is reasonable, the respiratory training device is convenient for a patient to carry and use, respiratory air quantity of the patient in each training process can be expressed, the patient can acquire respiratory capacity of lung function timely and accurately, an effective auxiliary excitation effect is achieved, and respiratory training of the patient is facilitated; meanwhile, the application method of the device is convenient for users to use, and ensures effective and accurate expression of the exhalation capacity in respiratory training; the device can be combined with the respiratory resistance control unit to simulate different respiratory resistance generally, the higher the altitude is, the lower the oxygen content is, and other environmental factors can increase respiratory resistance of people, and particularly, the respiratory resistance of patients suffering from chronic obstructive pulmonary diseases is more difficult to breathe, the respiratory resistance control unit can be utilized to simulate respiratory resistance of different altitudes generally, and the patients can observe respiratory training conditions of corresponding altitudes through the display module so as to continuously adapt to and improve respiratory ability, and the device can also be used for guiding travel places according to whether the device has normal respiratory ability of corresponding altitudes or not by self detection, so that the device greatly increases interestingness for the whole respiratory training of the patients, and is helpful for stimulating the patients to use the device for respiratory training.
Drawings
Fig. 1 is a schematic diagram of the structure of the state of the un-breathed gas according to the present invention.
Fig. 2 is a schematic diagram of the structure of the incoming gas state of the present invention.
Fig. 3 is an electrical schematic of the present invention.
Fig. 4 is an electrical schematic of the timer portion of the present invention.
In the figure, 1, a shell; 2. an air inlet; 3. a channel; 4. a slide block; 5. a gas containing section; 6. a blowing nozzle; 7. an air bag; 8. air holes; 801. a hole plug; 9. a control module; 10. a display; 11. a push button switch; 12. a battery module; 13. a distance sensor; 14. an air pressure sensor; 15. a support ring; 16. an elastic rib; 17. a connector; 18. air-entraining leather bags; 19. a first one-way valve; 20. and a second one-way valve.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present invention will be described in detail below with reference to the following detailed description and the accompanying drawings.
As shown in fig. 1-4, a respiratory training device for chronic obstructive pulmonary disease, comprising: a shell 1 which is convenient for a patient to carry by hand, one end of the shell 1 is provided with an air inlet 2, a channel 3 is formed in the shell 1, and a sliding block 4 is arranged in the channel 3; a gas accommodating part 5, the gas accommodating part 5 is positioned between the sliding block 4 and the gas inlet 2 of the shell 1, and can accommodate the gas breathed in by the gas inlet 2 of the shell 1, when a patient breathes and exercises, the gas breathes from the gas inlet 2 into the gas accommodating part 5, and the gas entering the gas accommodating part 5 can prop up the gas accommodating part 5, so that the sliding block 4 is pushed to move along the length direction of the channel 3; after the sliding block 4 moves along the length direction of the channel, the data detection module of the expiration quantity expression device can detect the variable quantity of the displacement of the sliding block 4, the variable quantity signal is transmitted to the control module 9, the control module 9 calculates the data to obtain information which is required to be expressed, the information is transmitted to the display module to be displayed, a patient can know the expiration condition through the display module, the expiration capacity expression in the breath training process can be timely and conveniently obtained, and the effect of promoting excitation is achieved for the breath training of the patient. Meanwhile, in order to facilitate the patient to exhale into the air inlet 2 when using, a blowing nozzle 6 is arranged at the position of the air inlet 2, and the blowing nozzle 6 and the air inlet 2 are in threaded connection, so that the device is convenient to disassemble, assemble, clean and use.
In order to facilitate calculation of the amount of change in the gas-accommodating portion, the channel 3 in the housing 1 comprises a cylindrical channel, and the slider 4 is correspondingly provided as a cylindrical slider. The channel 3 adopts the cylindrical design, and the corresponding slider 4 adopts cylindrical design, makes things convenient for slider 4 to slide along the inner wall of channel 3 relatively, conveniently calculates the subsequent variation of gas accommodation portion 5 simultaneously.
In order to enable the gas containing part 5 to change in volume in time during expiration, the gas containing part 5 comprises an air bag 7, one end of the air bag 7 is connected with the sliding block 4, the other end of the air bag 7 is connected with the air inlet 2 of the shell 1, the air bag 7 is communicated with the air inlet 2 of the shell 1, gas breathed in by the air inlet 2 of the shell 1 can prop up the air bag 7, and the air bag 7 can drive the sliding block 4 to move along the length direction of the channel 3;
The sliding block 4 in the air bag 7 is connected with a supporting device, the supporting device comprises a plurality of supporting rings 15, the supporting rings 15 enable the air bag 7 to be in contact with the inner wall of the channel 3, the supporting rings 15 are connected in series through elastic ribs 16, and the plurality of elastic ribs 16 are distributed along the circumferential direction of the supporting rings 15; one end of the elastic rib 16 is connected with the air inlet 2 of the shell 1, and the other end is connected with the sliding block 4.
The device also comprises an exhalation resistance control unit, wherein the exhalation resistance control unit comprises an air hole 8 arranged on the shell 1, the air hole 8 is matched with a hole plug 801, the shell 1 is connected with a pressurizing device, and the pressurizing device conveys external air into the shell; the shell 1 is internally provided with an air pressure sensor 14, and the air pressure sensor 14 is connected with the control module 9 through a wire. The pressure device inputs air to the shell 1, and then the pressure in the space outside the air bag 7 in the shell 1 is improved, when the air bag 7 exhales, corresponding resistance can be increased, the design of the pressure sensor 14 can detect the resistance, and after the resistance is processed through the control module 9, the resistance is finally indicated through the display module, the higher the altitude is, the lower the oxygen content is, and other environmental factors can increase the respiratory resistance of people, especially the respiratory resistance of patients suffering from chronic obstructive pulmonary disease is more difficult, the respiratory resistance control unit of the device can generally simulate the respiratory resistance of different altitudes, the patients can observe the respiratory training conditions of corresponding altitudes through the display module, so that the respiratory ability can be continuously adapted and improved, the device can also be used for guiding the places where the patients go out to have the ability of normal breathing on corresponding altitudes or not according to the self detection of the device, the interest is greatly increased for the whole respiratory training of the patients, and the respiratory training of the patients is helped to stimulate the patients to use the device to carry out respiratory training. In addition, the design of the air hole 8 enables the inner space and the outer space of the shell 1 to be communicated, air accumulation on the inner walls of the air bag 7 and the channel 3 is avoided, and the situation that the air bag 7 cannot be smoothly attached to the inner wall of the channel 3 is avoided.
The pressurizing means comprises an air-entraining bladder 18 in communication with the interior of the housing 1, the air-entraining bladder 18 being provided with a first one-way valve 19 allowing only external air to enter therein, and a second one-way valve 20 allowing only air inside the air-entraining bladder 18 to enter the housing 1. Obviously, the air-filling leather bag 18 is elastic, a user can continuously pinch the air-filling leather bag 18, the air-filling leather bag 18 is in the extrusion process, the air in the air-filling leather bag enters the shell 1 from the second one-way valve under the action of external force, and the air enters the shell 1 because the air pressure in the air-filling leather bag 18 is larger than the air pressure in the shell 1, the second one-way valve 20 is automatically pressed open, and the air enters the shell 1; when the air-entraining leather bag 18 is elastically restored from the extrusion state, the internal air pressure is smaller than the external air pressure, the external air automatically presses the first one-way valve 19, and the external air enters the air-entraining leather bag 18, so that the external air enters the shell 1, the internal air pressure of the shell 1 is increased, and the exhalation resistance is improved; correspondingly, the pressure release operation can be performed through the air hole 8, namely, the air pressure inside and outside the shell 1 can be balanced by pulling out the hole plug 801, and the pressure release is completed.
In addition, the air-entraining leather bag 18 can be connected with the connector 17 on the shell 1 through threads, so that the air-entraining leather bag is convenient to disassemble, assemble and carry.
The data detection module comprises a distance sensor 13 arranged at the other end of the shell 1, the distance sensor 13 can measure the distance between the sliding block 4 and the display module comprises a display 10; when the air inlet 2 is not breathing in air, the air bag 7 is in a normal state, and a first length is arranged between the sliding block 4 and the distance sensor 13; when the air inlet exhales, the air bag 7 is in an inflated and supported state, and a variable second length is arranged between the sliding block 4 and the distance sensor 13; the control module 9 comprises a PLC controller, the distance sensor 13 is connected with the PLC controller through a wire, the display 10 is connected with the PLC controller through a wire, and the battery module 12 is connected with the PLC controller through a wire. Specifically, the battery module 12 may be an existing battery, and may supply power to the PLC controller and other components; the PLC controller can specifically select Siemens model S7-1500.
The breathing quantity expression device also comprises a timer, the timer can set interval time, the PLC controller can control the distance sensor 13 to respectively acquire the distance between the two sensors and the sliding block 4 before and after the interval time, and the timing module is connected with the PLC controller through a wire.
The timer includes the timer chip, the model of timer chip is DS1302, be equipped with eight pins on the timer chip, the VCC pin on the first pin of timer chip and the main control chip links to each other, the first pin passes through electric capacity C19 ground connection setting, be connected with the second crystal oscillator device on No. two pins and the No. three pin, no. four pin ground connection setting, the VCC pin on No. five pins and the main control chip links to each other, the No. six pin passes through the VCC pin on resistance R1 and the main control chip links to each other, the No. seven pin links to each other with the I2CSCLK pin on the main control chip, the No. seven pin passes through the VCC pin on resistance R2 and the main control chip links to each other, the No. eight pin is connected with the battery BT1 that the ground connection set up.
In order to ensure that the instant starting of the timer to the air inlet 2 is started as much as possible, the PLC controller is connected via a wire to a delay relay which is connected via a wire to the push button switch 11. The time delay setting is carried out on the opening action of the button switch 11 through the time delay relay, the specific time delay time can be set to 0.5 seconds, the patient opens the button switch 11 before blowing, then blowing is carried out, the time delay of 0.5 seconds is obtained according to actual test statistics, the moment that gas enters the gas containing part 5 can be guaranteed basically, the timer starts to count time, the PLC controller controls the distance sensor 13 to measure after reaching the set interval time, the interval time of the timer can be set to 1 second, the FEV1 is the maximum expiration after the maximum deep inspiration, the volume of the maximum expiration of the volume of the gas containing part 5 is obtained through the 1 second measurement, the volume change quantity of the gas containing part 5 is displayed by the display 10 after the processing of the PLC controller, and the training condition can be known by the patient in real time in the breathing training.
A method of using a respiratory training device for chronic obstructive pulmonary disease, comprising the steps of:
s1: measuring a first length d1 by using the distance sensor 13, setting the extension time of the delay relay to be t1 seconds, setting the interval time t2 seconds of a timer, and starting the button switch 11 to exhale from the position of the air inlet 2 of the shell 1;
S2: turning on a PLC controller after t1 seconds after the push switch is turned on, controlling the timer to work after the PLC controller receives a signal, timing after the timer is turned on, transmitting a signal to the PLC controller after t2 seconds, controlling the distance sensor 13 to work by the PLC controller, measuring and obtaining a second length d2 of the distance sliding block at the moment, and transmitting second length d2 data to the PLC controller;
S3: the PLC controller obtains a second length d2 and brings the second length d2 into a preset first calculation formula: h=d1-d 2, the value of h is obtained by subtracting the second length from the first length, and the value is brought into a preset second calculation formula again: v=pi r 2 h, where r in the formula is the radius of the inner wall of the channel, and the radius can be measured and input to the PLC controller in advance to obtain the amount of gas entering the air bag 7 in the time period from the start of exhalation to t2 seconds;
S4: the PLC is internally preset with an expiration quantity V1 with normal lung function in a period from the beginning of expiration to t2, and the actual gas quantity V obtained in the step S3 is brought into a preset third calculation formula: V/V1, a percentage value is obtained;
s5: the PLC controller transmits the resulting percentage values to the display 10 for display.
The above embodiments are not to be taken as limiting the scope of the invention, and any alternatives or modifications to the embodiments of the invention will be apparent to those skilled in the art and fall within the scope of the invention.
The present invention is not described in detail in the present application, and is well known to those skilled in the art.
Claims (6)
1. A respiratory training device for chronic obstructive pulmonary disease, comprising:
the device comprises a shell, wherein one end of the shell is provided with an air inlet, a channel is formed in the shell, and a sliding block is arranged in the channel;
the gas accommodating part is positioned between the sliding block and the shell gas inlet, and is flexibly arranged and can accommodate gas breathed in by the shell gas inlet, so that the sliding block moves along the length direction of the channel to change the volume of the gas accommodating part;
The device comprises a data detection module, wherein the data detection module is connected with a control module through a wire, the control module is connected with a display module through a wire, and the control module is connected with a power supply through a wire;
the channel in the shell comprises a cylindrical channel, and the sliding block is correspondingly arranged as a cylindrical sliding block;
The air accommodating part comprises an air bag, one end of the air bag is connected with the sliding block, the other end of the air bag is connected with the air inlet of the shell, the air bag is communicated with the air inlet of the shell, air breathed in by the air inlet of the shell can prop up the air bag, and the air bag can drive the sliding block to move along the length direction of the channel;
The sliding blocks in the air bags are connected with the supporting device, the supporting device comprises a plurality of supporting rings, the supporting rings enable the air bags to be in contact with the inner wall of the channel, the supporting rings are connected in series through elastic ribs, and the elastic ribs are distributed along the circumferential direction of the supporting rings; one end of the elastic rib is connected with the air inlet of the shell, and the other end of the elastic rib is connected with the sliding block;
The air inlet is provided with a blowing nozzle, and the blowing nozzle is in threaded connection with the air inlet;
The device comprises a shell, a pressurizing device and an expiration resistance control unit, wherein the expiration resistance control unit comprises an air hole arranged on the shell, the air hole is matched with a hole plug, the shell is connected with the pressurizing device, and the pressurizing device conveys external air into the shell; the shell is internally provided with an air pressure sensor which is connected with the control module through a wire; the pressurizing device comprises an air-filling leather bag communicated with the inside of the shell, wherein the air-filling leather bag is provided with a first one-way valve which only enables external air to enter the air-filling leather bag, and a second one-way valve which only enables air inside the air-filling leather bag to enter the shell, and the air-filling leather bag is connected with a connector thread on the shell.
2. A respiratory training device for chronic obstructive pulmonary disease according to any of claims 1, wherein the data detection module comprises a distance sensor disposed at the other end of the housing, the distance sensor being capable of measuring the distance to the slider, the display module comprising a display; when the air inlet is not breathing in the air, the air bag is in a normal state, and a first length is arranged between the sliding block and the distance sensor; when the air inlet exhales, the air bag is in an inflated supporting state, and a second variable length is arranged between the sliding block and the distance sensor;
The control module comprises a PLC controller, the distance sensor is connected with the PLC controller through a wire, the display is connected with the PLC controller through a wire, and the battery module is connected with the PLC controller through a wire.
3. The respiratory training device of claim 2, wherein the exhalation amount expression device further comprises a timer, the timer being capable of setting an interval time, and the distance sensor being controlled by the PLC controller to obtain the distance between the two distance sensors and the slider, respectively, before and after the interval time, and the timing module being connected to the PLC controller via a wire.
4. The respiratory training device for chronic obstructive pulmonary disease according to claim 3, wherein the timer comprises a timer chip, the timer chip is DS1302, eight pins are provided on the timer chip, pin one of the timer chip is connected to the VCC pin on the main control chip, pin one is grounded via a capacitor C19, pin two and pin three are connected to the second crystal oscillator, pin four is grounded, pin five is connected to the VCC pin on the main control chip via a resistor R15, pin six is connected to the VCC pin on the main control chip via a resistor R1, pin seven is connected to the I2 CSCLK pin on the main control chip, pin seven is connected to the VCC pin on the main control chip via a resistor R2, and pin eight is connected to the battery BT1 which is grounded.
5. A respiratory training device for chronic obstructive pulmonary disease according to claim 3 or 4, wherein the PLC controller is connected via a wire to a delay relay, the delay relay being connected via a wire to a push button switch.
6. The method of using a respiratory training device of claim 5, comprising the steps of:
S1: measuring a first length d1 by using the distance sensor, setting the extension time of the delay relay to be t1 seconds, setting the interval time t2 seconds of the timer, and exhaling from the air inlet position after the button switch is turned on;
S2: turning on a PLC controller after t1 seconds after the push switch is turned on, controlling the timer to work after the PLC controller receives the signal, timing after the timer is turned on, transmitting the signal to the PLC controller after t2 seconds, controlling the distance sensor to work by the PLC controller, measuring and obtaining a second length d2 of the distance sliding block at the moment, and transmitting second length d2 data to the PLC controller;
s3: the PLC controller obtains a second length d2 and brings the second length d2 into a preset first calculation formula: h=d1-d 2, the value of h is obtained by subtracting the second length from the first length, and the value is brought into a preset second calculation formula again: v=pi r 2h, where r in the formula is the radius of the inner wall of the channel, and the radius can be measured and input to the PLC controller in advance to obtain the gas quantity entering the air bag in the time period from the start of exhalation to t2 seconds;
S4: the PLC is internally preset with an expiration quantity V1 with normal lung function in a period from the beginning of expiration to t2, and the actual gas quantity V obtained in the step S3 is brought into a preset third calculation formula: V/V1, a percentage value is obtained;
s5: and the PLC controller transmits the obtained percentage value to a display for display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910143999.8A CN109701227B (en) | 2019-02-27 | 2019-02-27 | Respiratory training device for chronic obstructive pulmonary disease and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910143999.8A CN109701227B (en) | 2019-02-27 | 2019-02-27 | Respiratory training device for chronic obstructive pulmonary disease and use method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109701227A CN109701227A (en) | 2019-05-03 |
| CN109701227B true CN109701227B (en) | 2024-06-14 |
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