Intelligent double-breathing training device

Abstract

The utility model discloses an intelligent double-breathing training device, which belongs to the technical field of breathing training equipment and comprises a shell with an inspiration chamber and an expiration and rebreathing chamber. First liquid is filled in the suction chamber; second liquid is filled in the expiration and rebreathing chamber; one end of the first guide pipe extends into the first liquid; the threshold load exercise assembly comprises an inspiration tube, an expiration tube and a first nip; the air suction pipe communicates with the air suction chamber and the first seam. One end of the expiration tube extends into the second liquid; the rebreathing exercise assembly comprises a rebreathing tube, and one end of the rebreathing tube is communicated with a second seam; the breathing rhythm assembly can guide the breathing rhythm of the patient; according to the breathing exercise device, breathing exercise of a threshold value load exercise method is achieved through the inspiration chamber, the expiration and repeated breathing chamber and the breathing exercise assembly, breathing exercise of a repeated breathing exercise method is achieved through the expiration and repeated breathing chamber and the repeated breathing tube, the breathing rhythm assembly guides the breathing rhythm of a patient, and the optimal breathing exercise effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a breathing training equipment technical field, concretely relates to a kind of intelligent double breathing training device. BACKGROUND

[0002] Almost all chronic respiratory system diseases such as chronic obstructive pulmonary disease, asthma, bronchiectasis, interstitial lung disease, etc., patients have varying degrees of respiratory muscle (including inspiratory muscle and expiratory muscle) strength and endurance decline and respiratory function decline, and severe cases can lead to respiratory failure and even death; In addition, lung function of lung surgery patients such as lung cancer also has varying degrees of decline.

[0003] In order to enhance the strength and endurance of respiratory muscles, threshold load exercise is the preferred method, which provides certain inspiratory and expiratory resistance when the patient breathes. Only when the patient overcomes the set inspiratory and expiratory resistance load, the patient can inhale and exhale gas, so it is called threshold load exercise. The size of inspiratory and expiratory load can be quantitatively adjusted according to the patient's condition, and its principle is a kind of physical exercise method.

[0004] Another very potential exercise method is repeated breathing exercise, which increases the patient's ventilation to improve respiratory muscle endurance and improve respiratory function; Specifically, in the process of repeated breathing, the patient inhales carbon dioxide concentration gradually increasing and oxygen concentration gradually decreasing, thereby stimulating the respiratory center to make the breathing deeper and faster, and the ventilation increases. Its principle is a kind of physiological exercise method, which has very good development prospect. Although the research on this method has a history of several decades, there is no simple and practical product because the exercise device used is complex and expensive.

[0005] Moreover, the existing breathing training equipment, when in use, the patient can usually only control the breathing rhythm based on his own experience, often difficult to achieve the optimal breathing exercise effect, thereby leading to the rehabilitation effect of lung function being twice the result with half the effort.

[0006] Therefore, it is an urgent problem to develop and design an intelligent double breathing training device that can accurately control the breathing rhythm of the patient and organically combine threshold load exercise and repeated breathing exercise. It is of great significance for the rehabilitation of chronic respiratory system diseases. Utility model content

[0007] For the problems existing in the prior art, the intelligent double respiratory training device provided by the utility model can realize the respiratory training of threshold load training method by using the inhalation chamber, the exhalation and repeated breathing chamber and the respiratory training assembly, can realize the respiratory training of repeated breathing training method by using the exhalation and repeated breathing chamber and the repeated breathing pipe, meanwhile, the respiratory rhythm assembly can accurately guide the patient to inhale and exhale with the most scientific respiratory rhythm, can achieve the optimal respiratory training effect, and further improve the rehabilitation effect of lung function, and the structure is simple, convenient to use and low in cost.

[0008] In order to achieve the above-mentioned purpose, the utility model adopts the technical scheme as follows:

[0009] The utility model provides an intelligent double respiratory training device, which comprises:

[0010] The shell is internally provided with an inhalation chamber and an exhalation and repeated breathing chamber which are isolated from each other; the inhalation chamber contains a first liquid; the exhalation and repeated breathing chamber contains a second liquid;

[0011] The first conduit is arranged on the shell, one end of the first conduit extends into the first liquid, and the other end of the first conduit is located outside the shell;

[0012] The threshold load training assembly comprises an inhalation pipe, an exhalation pipe and a first mouthpiece, the first mouthpiece is located outside the shell, one end of the inhalation pipe is communicated with the inhalation chamber, the other end of the inhalation pipe is communicated with the first mouthpiece, and a forward one-way valve is arranged in the inhalation pipe; one end of the exhalation pipe is communicated with the first mouthpiece, the other end of the exhalation pipe extends into the second liquid, and a reverse one-way valve is arranged in the exhalation pipe;

[0013] The repeated breathing training assembly comprises a repeated breathing pipe, one end of the repeated breathing pipe is communicated with the exhalation and repeated breathing chamber, and the other end of the repeated breathing pipe is located outside the shell and is communicated with a second mouthpiece;

[0014] The respiratory rhythm assembly is arranged on the shell or is arranged separately from the shell, and the respiratory rhythm assembly can guide the respiratory rhythm of the patient.

[0015] As a preferred technical scheme, the utility model further comprises a controller and an input and output assembly, the controller and the input and output assembly are both arranged on the shell; the respiratory rhythm assembly is arranged as an electronic metronome, and the controller is connected with the input and output assembly and the electronic metronome respectively.

[0016] As a preferred technical scheme, the input and output assembly is arranged as a touch screen;

[0017] Alternatively, the input and output components include a display screen and several control buttons.

[0018] As a preferred technical solution, a loudspeaker is further included, which is connected with the controller.

[0019] And / or, a timer and a clock are further included, both of which are connected with the controller.

[0020] And / or, a finger pulse oximeter is further included, which is connected with the controller.

[0021] And / or, a respiration rate measuring instrument is further included, which is connected with the controller.

[0022] And / or, a voice recognition module is further included, which is connected with the controller.

[0023] And / or, an electric heating component is arranged in the first liquid and the second liquid, which is connected with the controller.

[0024] And / or, the first liquid and the second liquid are both water.

[0025] And / or, a first liquid injection port is arranged on the shell and communicates with the inhalation chamber, and a second liquid injection port is arranged on the shell and communicates with the exhalation and repeated breathing chamber.

[0026] As a preferred technical solution, the inhalation chamber includes a first cover plate arranged at the top thereof, the first cover plate is provided with a first through hole matched with the first conduit and a second through hole matched with the inhalation pipe, and the first cover plate is detachably arranged on the inhalation chamber.

[0027] And / or, the exhalation and repeated breathing chamber includes a second cover plate arranged at the top thereof, the second cover plate is provided with a third through hole matched with the exhalation pipe and a fourth through hole matched with the repeated breathing pipe, and the second cover plate is detachably arranged on the exhalation and repeated breathing chamber.

[0028] And / or, a third cover plate is detachably connected with the shell, and the first conduit, the inhalation pipe, the exhalation pipe and the repeated breathing pipe all pass through the third cover plate.

[0029] As a preferred technical solution, the repeated breathing pipe has several breathing adjusting holes, and an adjusting component is arranged on the repeated breathing pipe to adjust the number of the breathing adjusting holes opened.

[0030] As a preferred technical solution, the several breathing adjusting holes are located outside the shell and are distributed along the extension direction of the repeated breathing pipe.

[0031] And / or, the adjusting assembly comprises a plurality of adjusting rings sleeved on the repeated breathing pipe, and the adjusting rings correspond to the breathing adjusting holes one by one; the adjusting rings can move relative to the repeated breathing pipe.

[0032] As a preferred technical solution, the exhalation and repeated breathing chamber is provided with a second conduit, one end of the second conduit communicates with the exhalation and repeated breathing chamber, and the other end of the second conduit is located outside the exhalation and repeated breathing chamber.

[0033] And / or, at least part of the inhalation pipe, at least part of the exhalation pipe and at least part of the repeated breathing pipe are provided as corrugated telescopic hoses.

[0034] And / or, the first bite and the second bite are provided with a mouthpiece.

[0035] As a preferred technical solution, the inhalation pipe and the exhalation pipe communicate with the first bite through a tee pipe.

[0036] And / or, the opening direction of the forward one-way valve is the direction of flowing to the first bite; and the opening direction of the reverse one-way valve is the direction of flowing out of the first bite.

[0037] As a preferred technical solution, the shell is made of transparent material, and the shell is provided with liquid level scales corresponding to the inhalation chamber and the exhalation and repeated breathing chamber respectively.

[0038] And / or, the outer wall of the shell is provided with buckles matched with the first bite and the second bite respectively.

[0039] The beneficial effects of the utility model lie in:

[0040] 1、The utility model discloses a breathing training assembly which comprises an inhalation chamber, an exhalation and repeated breathing chamber and a breathing training assembly, and the resistance of inhalation and exhalation can be conveniently adjusted by adjusting the liquid level height of the first liquid and the liquid level height of the second liquid, so that the threshold load training method can be realized.

[0041] 2, the utility model discloses a "artificial nose" function can be played to patient's inhaled gas is more in line with the physiological requirement of breathing, can determine patient's respiratory endurance time and repeated respiratory tolerance time with timer, and the effect of respiratory exercise is objectively evaluated, and with timer, the patient can master the exercise time, and with pulse oximeter and respiratory frequency measuring instrument, the patient can avoid excessive respiratory exercise. BRIEF DESCRIPTION OF DRAWINGS

[0042] Figure 1 It is the overall structure schematic diagram of an embodiment of the intelligent double respiratory training device of the utility model;

[0043] Figure 2 It is the overall structure schematic diagram of an embodiment of the intelligent double respiratory training device of the utility model; Figure 1 It is the enlarged view of area A in figure 1;

[0044] Figure 3 It is the enlarged view of area B in figure 1; Figure 1 It is the enlarged view of area B in figure 1;

[0045] Figure 4 It is the structure schematic diagram of the shell in figure 1; Figure 1

[0046] Figure 5 It is the function block diagram of the intelligent double respiratory training device of the utility model.

[0047] In the drawing: 1-shell, 11-third cover plate, 2-inhale chamber, 21-first liquid, 22-first cover plate, 3-exhale and repeated breathing chamber, 31-second liquid, 32-second conduit, 33-second cover plate, 4-first conduit, 51-inhale pipe, 52-exhale pipe, 53-first bite, 54-positive one-way valve, 55-negative one-way valve, 61-repeated breathing pipe, 62-second bite, 63-breathing adjusting hole, 64-adjusting ring, 71-display screen, 72-control button. DETAILED DESCRIPTION

[0048] In order to facilitate the person skilled in the art to understand, the utility model is further explained below in connection with the drawings.

[0049] Please refer to Figures 1-5 , an embodiment of the intelligent double respiratory training device provided by the utility model, including shell 1, shell 1 has inhale chamber 2 and exhale and repeated breathing chamber 3 in isolation with each other in it;Inhale chamber 2 contains first liquid 21 in it;Exhale and repeated breathing chamber 3 contains second liquid 31 in it;First conduit 4 is arranged on shell 1, one end of first conduit 4 is inserted into first liquid 21, and the other end of first conduit 4 is located outside shell 1, and external air can enter into inhale chamber 2 through first conduit 4, and simultaneously, first liquid 21 can avoid that the air in inhale chamber 2 is directly communicated with external air;

[0050] ​The threshold load exercise component is used for respiratory exercise of threshold load exercise method; the threshold load exercise component comprises an inhalation pipe 51, an exhalation pipe 52 and a first mouthpiece 53, and the first mouthpiece 53 is located outside the shell 1; one end of the inhalation pipe 51 is communicated with the inhalation chamber 2, and the other end of the inhalation pipe 51 is communicated with the first mouthpiece 53; when the patient inhales, the air in the inhalation chamber 2 is inhaled through the inhalation pipe 51, and under the action of the air pressure difference, the external air can enter the inhalation chamber 2 through the first conduit 4; and the inhalation resistance of the patient can be adjusted by adjusting the liquid level height of the first liquid 21 in the inhalation chamber 2; at the same time, one end of the exhalation pipe 52 is communicated with the first mouthpiece 53, and the other end of the exhalation pipe 52 extends into the second liquid 31; when the patient exhales, the exhaled gas enters the exhalation and repeated breathing chamber 3 through the exhalation pipe 52; and the exhalation resistance of the patient can be adjusted by adjusting the liquid level height of the second liquid 31 in the exhalation and repeated breathing chamber 3; further, a forward one-way valve 54 is arranged in the inhalation pipe 51, and the opening direction of the forward one-way valve 54 is the direction flowing to the first mouthpiece 53; a reverse one-way valve 55 is arranged in the exhalation pipe 52, and the opening direction of the reverse one-way valve 55 is the direction flowing out of the first mouthpiece 53; it is ensured that when the patient inhales, only the air in the inhalation chamber 2 flows to the first mouthpiece 53; when the patient exhales, the exhaled gas can only flow into the exhalation and repeated breathing chamber 3 along the exhalation pipe 52;

[0051] The repeated breathing exercise component is used for respiratory exercise of repeated breathing exercise method; the repeated breathing exercise component comprises a repeated breathing pipe 61, one end of the repeated breathing pipe 61 is communicated with the exhalation and repeated breathing chamber 3, and the other end of the repeated breathing pipe 61 is communicated with a second mouthpiece 62; the patient can inhale the air in the exhalation and repeated breathing chamber 3 through the second mouthpiece 62 and send the exhaled air into the exhalation and repeated breathing chamber 3, so that the carbon dioxide content in the exhalation and repeated breathing chamber 3 gradually increases; the total amount of air in the exhalation and repeated breathing chamber 3 can be adjusted by adjusting the liquid level height of the second liquid 31 in the exhalation and repeated breathing chamber 3, and then the exercise intensity of the patient using the repeated breathing exercise method is controlled;

[0052] The breathing rhythm component is arranged on the shell 1 or is separately arranged from the shell 1; the breathing rhythm component can guide the patient to inhale and exhale at the most scientific breathing rhythm, so that the optimal respiratory exercise effect is achieved.

[0053] For further explanation, please refer to Figure 5The utility model still should include controller and input output component, controller and input output component all are located on the casing 1, corresponding, breathing rhythm component is equipped with electronic metronome, electronic metronome preferably exports breathing rhythm rhythm and / or guide breathing waveform, can realize the best training instruction effect, controller is connected with input output component and electronic metronome respectively, can input control information to the controller and display the related information in the breathing exercise process through input output component, such as each index, parameter, waveform etc.

[0054] Specifically, the input output component includes a display screen 71 and a plurality of control buttons 72. The display screen 71 is used for displaying information, and the plurality of control buttons 72 are used for inputting control information. For example, the display screen 71 cooperates with the breathing rhythm component to display a breathing waveform on the display screen 71 to guide the breathing rhythm of the patient. In other embodiments, the input output component can also be a touch screen to facilitate accurate input and output of information.

[0055] Further, the utility model can also include a loudspeaker connected with the controller. The loudspeaker is used for outputting sound information. For example, the loudspeaker cooperates with the breathing rhythm component to guide the breathing rhythm of the patient by playing voice. Alternatively, the loudspeaker can generate background music to allow the patient to exercise in a comfortable environment. The utility model can also include a timer and a chronometer, both of which are connected with the controller. The timer sets the breathing exercise time, which is usually 20 minutes. The chronometer is used for measuring the breathing endurance time and the repeated breathing tolerance time of the patient. These two indexes are important indicators for evaluating the exercise effect of the patient. The utility model can also include a finger pulse oximeter connected with the controller. The finger pulse oximeter is used for measuring the finger pulse oxygen saturation of the patient in real time. When the heart rate of the patient exceeds 120 times per minute and the finger oxygen saturation is less than 80%, an alarm is sent to prompt the patient to stop training and rest. The utility model can also include a breathing frequency measuring instrument connected with the controller. The breathing frequency measuring instrument is used for measuring the breathing frequency of the patient in real time. When the breathing frequency of the patient is greater than 30 times per minute, an alarm is sent to prompt the patient to stop training and rest. The utility model can also include a voice recognition module connected with the controller. Through the voice recognition module, the patient can send voice instructions to the controller.

[0056] Further, the first liquid 21 and the second liquid 31 are provided with electric heating components, the electric heating components are connected with the controller, and the electric heating components are used for heating the first liquid 21 and the second liquid 31; specifically, the electric heating components are preferably electric heating sheets, electric heating wires or electric heating rods, the electric heating components can keep the first liquid 21 and the second liquid 31 at a suitable temperature, so that the gas inhaled by the patient is sufficiently warmed, humidified and dedusted, which is equivalent to the function of an "artificial nose" and is more in line with the physiological requirements of respiration.

[0057] In the embodiment, please refer to Figure 1 The inhalation chamber comprises a first cover plate 22 arranged at the top of the inhalation chamber, the first cover plate 22 is provided with a first through hole matched with the first conduit and a second through hole matched with the inhalation pipe, and the first cover plate 22 is detachably arranged on the inhalation chamber, so that the inhalation chamber can be conveniently opened, use is facilitated, and production and processing are facilitated; specifically, the first cover plate 22 and the inhalation chamber are detachably connected through clamping.

[0058] Similarly, please refer to Figure 1 The exhalation and repeated breathing chamber comprises a second cover plate 33 arranged at the top of the exhalation and repeated breathing chamber, the second cover plate 33 is provided with a third through hole matched with the exhalation pipe and a fourth through hole matched with the repeated breathing pipe, and the second cover plate 33 is detachably arranged on the exhalation and repeated breathing chamber through clamping.

[0059] Further, please refer to Figure 1 The shell is provided with a third cover plate 11 detachably connected therewith, the first conduit, the inhalation pipe, the exhalation pipe and the repeated breathing pipe all pass through the third cover plate 11, and the threshold load exercise assembly and the repeated breathing exercise assembly can be positioned on the shell through the third cover plate 11; at the same time, the first cover plate 22, the second cover plate 33 and the third cover plate 11 form a double-sealing structure, so that the patient can avoid repeatedly unplugging and connecting the breathing pipe during cleaning, and the operation steps are simplified.

[0060] It should be noted that the first liquid 21 and the second liquid 31 are preferably water; at the same time, the shell 1 is provided with a first liquid injection port communicated with the inhalation chamber 2 and a second liquid injection port communicated with the exhalation and repeated breathing chamber 3, so as to facilitate injection of liquid into the inhalation chamber 2 and the exhalation and repeated breathing chamber 3, and further adjust the exercise intensity of the threshold load exercise method and the repeated breathing exercise method; further, the utility model can also be provided with an automatic water adding and discharging assembly, the automatic water adding and discharging assembly is composed of a water storage container, a water pump and a water pipe, so as to facilitate water adding and discharging and water level adjustment of the patient.

[0061] In the embodiment, please refer to Figure 3The repeated breathing tube 61 has a plurality of breathing adjustment holes 63 near the second bite 62, which can communicate the inside of the repeated breathing tube 61 with the outside air. When the patient uses the repeated breathing exercise method to exercise, a small amount of outside air can be inhaled by the patient at each inhalation, and a small amount of exhaled gas of the patient can enter the outside air at each exhalation. The breathing adjustment holes 63 can effectively slow down the increase speed of the carbon dioxide content in the exhalation and repeated breathing chamber 3, and reduce the stimulation intensity on the respiratory center. The repeated breathing tube 61 is provided with an adjustment assembly capable of adjusting the opening number of the breathing adjustment holes 63. The patient can adjust the opening number of the breathing adjustment holes 63 according to the actual situation through the adjustment assembly. Specifically, when the patient needs to increase the exercise stimulation, the adjustment assembly can be used to increase the closing number of the breathing adjustment holes 63. Correspondingly, when the patient needs to reduce the exercise stimulation, the adjustment assembly can be used to reduce the closing number of the breathing adjustment holes 63. In other embodiments, the increase speed of the carbon dioxide content can also be adjusted by one or more of the following ways: adjusting the length of the repeated breathing tube 61 or adjusting the gas volume of the exhalation and repeated breathing chamber 3.

[0062] On the basis of the foregoing embodiments, please refer to Figure 3 The plurality of breathing adjustment holes 63 are located outside the shell 1 and distributed along the extension direction of the repeated breathing tube 61, which can conveniently control the opening number of the breathing adjustment holes 63.

[0063] Specifically, please refer to Figure 3 The adjustment assembly includes a plurality of adjustment rings 64 sleeved on the repeated breathing tube 61, and the adjustment rings 64 correspond to the breathing adjustment holes 63 one by one. The adjustment ring 64 can move relative to the repeated breathing tube 61. When the adjustment ring 64 moves to the breathing adjustment hole 63, the breathing adjustment hole 63 can be plugged. When the adjustment ring 64 moves away, the breathing adjustment hole 63 is in an open state. The opening number of the breathing adjustment holes 63 can be controlled by moving the position of each adjustment ring 64.

[0064] Further, please refer to Figure 1The second conduit 32 is communicated with the expiration and rebreathing chamber 3 at one end and is located outside the expiration and rebreathing chamber 3 at the other end. When the patient exercises by the rebreathing exercise method, the second conduit 32 serves as a communication channel between the expiration and rebreathing chamber 3 and the outside air. When the patient inhales, the outside air can enter the expiration and rebreathing chamber 3 through the second conduit 32 and mix with the high-concentration carbon dioxide gas in the expiration and rebreathing chamber 3. Alternatively, oxygen can be continuously injected into the expiration and rebreathing chamber 3 through the second conduit 32 during the patient's rebreathing exercise, so as to increase the oxygen content in the expiration and rebreathing chamber 3 and enable the patient to continuously inhale oxygen without hypoxic stimulation. When the patient exercises by the threshold load exercise method, the patient's exhaled gas can be discharged from the second conduit 32.

[0065] It should be noted that the at least partial inhalation tube 51, the at least partial expiration tube 52 and the at least partial rebreathing tube 61 are all corrugated flexible tubes, and the lengths of the inhalation tube 51, the expiration tube 52 and the rebreathing tube 61 can be adjusted. The length of the rebreathing tube 61 can be adjusted to adjust the rebreathing amount and thus the exercise intensity of the rebreathing exercise method. The patient can also bite the first bite 53 or the second bite 62. The first bite 53 and the second bite 62 are both provided with a bite pad, and the patient can fix the first bite 53 or the second bite 62 in the mouth by biting the bite pad. The first bite 53 and the second bite 62 can also be connected to a mouth-nose mask for exercise, so that the nasal function can be fully utilized.

[0066] In the embodiment, please refer to Figure 1 and Figure 2 The inhalation tube 51 and the expiration tube 52 are communicated with the first bite 53 through a tee pipe. The opening direction of the forward one-way valve 54 is the direction of the flow to the first bite 53. The opening direction of the reverse one-way valve 55 is the direction of the flow from the first bite 53.

[0067] It should be noted that the shell 1 is preferably made of transparent material, and the shell 1 is provided with liquid level scales corresponding to the inhalation chamber 2 and the expiration and rebreathing chamber 3 respectively. The liquid level scales can be used to more conveniently and accurately control the liquid level of the first liquid 21 and the second liquid 31.

[0068] Further, the shell 1 is provided with buckles matched with the first bite 53 and the second bite 62 respectively. When the first bite 53 or the second bite 62 is not used, it can be conveniently fixed on the buckles.

[0069] In the embodiment, please refer to Figure 1 and Figure 4The shell 1 is in the shape of a cuboid as a whole, and a concave handle is arranged at the upper position of the side wall of the shell 1, so as to facilitate carrying; the third cover plate 11 is arranged in a flip cover structure, so as to facilitate opening and closing; and a water discharge switch is arranged at the bottom of the side wall of the shell 1, so as to facilitate discharging the first liquid 21 and the second liquid 31.

[0070] In actual use, the utility model can also be matched with a lung function tester to detect important indexes reflecting lung function and respiratory muscle strength, such as FVC (forced vital capacity), FEV1 (one-second volume), FEV1 / FVC (one-second rate), MIP (maximum inspiratory pressure), MEP (maximum expiratory pressure), etc., and is used for comparing changes of patients before and after exercise, and objectively reflecting exercise effect.

[0071] Meanwhile, the utility model can also be configured with an oxygen generator for providing oxygen when the patient exercises.

[0072] In addition, the utility model can also be configured with a nebulizer, which is arranged between the inhalation chamber and the third cover plate, and is used for drug nebulization treatment of the patient, and is convenient to install and disassemble.

[0073] The above only describes preferred embodiments of the utility model, and is not used for limiting the utility model, and the utility model can have various changes and variations for those skilled in the art. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An intelligent dual-breathing trainer, characterized in that, The application relates to a threshold load exercise device. The threshold load exercise device comprises a shell (1) with an air intake chamber (2) and an exhalation and repeated breathing chamber (3) isolated from each other; the air intake chamber (2) contains a first liquid (21); the exhalation and repeated breathing chamber (3) contains a second liquid (31); a first conduit (4) is arranged on the shell (1), one end of the first conduit (4) extends into the first liquid (21), and the other end of the first conduit (4) is located outside the shell (1); a threshold load exercise assembly comprises an air intake pipe (51), an exhalation pipe (52) and a first mouthpiece (53), the first mouthpiece (53) is located outside the shell (1), one end of the air intake pipe (51) is communicated with the air intake chamber (2), the other end of the air intake pipe (51) is communicated with the first mouthpiece (53), a forward one-way valve (54) is arranged in the air intake pipe (51), one end of the exhalation pipe (52) is communicated with the first mouthpiece (53), the other end of the exhalation pipe (52) extends into the second liquid (31), and a reverse one-way valve (55) is arranged in the exhalation pipe (52); a repeated breathing exercise assembly comprises a repeated breathing pipe (61), one end of the repeated breathing pipe (61) is communicated with the exhalation and repeated breathing chamber (3), and the other end of the repeated breathing pipe (61) is located outside the shell (1) and communicated with a second mouthpiece (62); a breathing rhythm assembly is arranged on the shell (1) or separately from the shell (1), and the breathing rhythm assembly can guide the breathing rhythm of a patient. The threshold load exercise device further comprises a controller and an input and output assembly, both of which are arranged on the shell (1); the breathing rhythm assembly is an electronic metronome, and the controller is connected with the input and output assembly and the electronic metronome. The input and output assembly is a touch screen. Alternatively, the input and output assembly comprises a display screen (71) and a plurality of control buttons (72). The threshold load exercise device further comprises a loudspeaker connected with the controller.

2. The intelligent dual-breathing training device according to claim 1, wherein, The threshold load exercise device further comprises a timer and a chronometer, both of which are connected with the controller.

3. The intelligent dual-breathing training device according to claim 2, wherein, The threshold load exercise device further comprises a pulse oximeter connected with the controller. The threshold load exercise device further comprises a breathing frequency measuring instrument connected with the controller.

4. The intelligent dual-breathing training device according to claim 2, wherein, The threshold load exercise device further comprises a voice recognition module connected with the controller. The first liquid (21) and the second liquid (31) are both provided with an electric heating assembly connected with the controller. The first liquid (21) and the second liquid (31) are both water. The shell (1) is provided with a first liquid injection opening communicated with the air intake chamber (2) and a second liquid injection opening communicated with the exhalation and repeated breathing chamber (3). ​ ​ ​ ​ 5. The intelligent dual-breathing training device according to claim 1, wherein, The air suction chamber (2) comprises a first cover plate (22) arranged on the top of the air suction chamber (2), the first cover plate (22) is provided with a first through hole matched with the first conduit (4) and a second through hole matched with the air suction pipe (51), and the first cover plate (22) is detachably arranged on the air suction chamber (2); And / or, the exhalation and rebreathing chamber (3) comprises a second cover plate (33) arranged on the top of the exhalation and rebreathing chamber (3), the second cover plate (33) is provided with a third through hole matched with the exhalation pipe (52) and a fourth through hole matched with the rebreathing pipe (61), and the second cover plate (33) is detachably arranged on the exhalation and rebreathing chamber (3); And / or, the shell (1) is provided with a third cover plate (11) detachably connected thereto, and the first conduit (4), the air suction pipe (51), the exhalation pipe (52) and the rebreathing pipe (61) all pass through the third cover plate (11).

6. The intelligent dual-breathing training device according to claim 1, wherein, The rebreathing pipe (61) has a plurality of breathing adjustment holes (63), and the rebreathing pipe (61) is provided with an adjustment assembly capable of adjusting the number of open breathing adjustment holes (63).

7. The intelligent dual-breathing training device according to claim 6, wherein, A plurality of breathing adjustment holes (63) are located outside the shell (1) and are distributed along the extension direction of the rebreathing pipe (61); And / or, the adjustment assembly comprises a plurality of adjustment rings (64) sleeved on the rebreathing pipe (61), the adjustment rings (64) correspond one-to-one to the breathing adjustment holes (63); and the adjustment rings (64) are capable of moving relative to the rebreathing pipe (61).

8. The intelligent dual-breathing training device according to claim 1, wherein, The exhalation and rebreathing chamber (3) has a second conduit (32), one end of the second conduit (32) communicates with the exhalation and rebreathing chamber (3), and the other end of the second conduit (32) is located outside the exhalation and rebreathing chamber (3); And / or, at least part of the air suction pipe (51), at least part of the exhalation pipe (52) and at least part of the rebreathing pipe (61) are provided as corrugated flexible hoses; And / or, the first bite (53) and the second bite (62) are both provided with a mouthpiece.

9. The intelligent dual-respiratory trainer of claim 1, wherein, The air suction pipe (51) and the exhalation pipe (52) communicate with the first bite (53) through a tee pipe; And / or, the opening direction of the forward one-way valve (54) is the direction flowing to the first bite (53); and the opening direction of the reverse one-way valve (55) is the direction flowing out of the first bite (53).

10. The intelligent dual-respiratory trainer of claim 1, wherein, The shell (1) is made of transparent material, and the shell (1) is provided with liquid level scales corresponding to the air suction chamber (2) and the exhalation and rebreathing chamber (3) respectively; And / or, the outer wall of the shell (1) is provided with buckles matched with the first bite (53) and the second bite (62) respectively.

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