50results about How to "Exhale smoothly" patented technology

The invention provides a method for adjusting positive pressure of a breathing machine airway. The method comprises a step S01 of adopting respiratory signals during users'breathing; a step S02 of extracting breathing index characteristic signals; a step S03 of adjusting the airway positive pressure of a breathing machine at an expiration stage; a step S04 of collecting adjusted user respiratory signals; a step S05 of judging whether adjusted breathing index characteristics deteriorate, performing contrastive analysis on the adjusted breathing index characteristic signals in the step S04 and breathing index characteristic signals in the step S02, and if the breathing index characteristics have no deterioration, skipping to the step S03; and if the breathing index characteristics deteriorate, stopping increasing the lower probing degree of the airway positive pressure of the breathing machine at the expiration stage. According to the adjusting method, the airway positive pressure of the breathing machine at the expiration stage can be automatically adjusted to an appropriate value, so that users expire more smoothly, and users'use comfort degree is improved.

The invention discloses a manufacturing method of a sand leaking preventing and heat preserving feed head of a sand casting and a special die of the manufacturing method. The manufacturing method is that a sand leakage preventing platform is arranged between a feed head die seat and a feed head air outlet bar, and the bottom part of the sand leakage preventing platform completely covers a feed head air outlet hole in the top part of a feed head heat preserving sleeve which is used in match with the feed head die seat; when manufacturing the feed head, a space formed by the feed head air outlet bar is used as a sand air outlet hole, the space formed by the sand leakage preventing platform is used as a transition exhausting chamber, and the space formed by the feed head die seat is used as a casting solution compensating contraction chamber; the feed head heat preserving sleeve is embedded into the casting solution compensating compaction chamber; the feed head air outlet hole in the top part of the feed head heat preserving sleeve is completely staggered with the sand air outlet hole in the vertical direction, namely, the casting solution compensating compaction chamber, the transition exhausting chamber and the sand air outlet hole can communicate by curved lines in a circuitous way. The manufacturing method has the advantages that the optimal structural design and layout ensures smooth exhausting from the prepared feed head, and casting sand which is loosened by vibrating can be prevented from entering a cavity of a casting body, and therefore, the defect due to sand inclusion of the casting can be effectively decreased, and the casting quality can be greatly improved.

The invention provides a method, device and system for controlling the output air amount of an oxygen therapy instrument, and relates to the technical field of oxygen therapy instrument control. The method comprises the steps that data in an air channel is acquired when the oxygen therapy instrument works; a first data waveform is established on the basis of pressure data in the air channel and flow data in the air channel; the first data waveform is processed to obtain a first pressure data set and a first flow data set; on the basis of the first pressure data set and the first flow data set,the output air amount of the oxygen therapy instrument is adjusted. The method solves the technical problem that output air flow of a fan of a traditional oxygen therapy instrument is constant, in the expiration process of a user, the air flow direction of expiration is opposite to the direction of the output flow of the fan, and accordingly expiration of the user is not smooth is solved, and hasthe advantages that the expiration action of the user is judged, the output air amount of the fan is adjusted according to the expiration action of the user, and the user expires smoothly.

A high-sealing-performance mask comprises a mask main body and a pair of ear hanging parts arranged on the two sides of the mask main body, and a nose bridge rib used for enabling the mask main body to be attached to the nose bridge of a human body is arranged in the middle of the top end of the mask main body; sealing strips made of hydrogel are arranged at the peripheral edge of the inner side of the mask main body, and the sealing strips are sequentially connected end to end to form a ring shape; the surface of each sealing strip is covered with a plastic film. According to the high-sealing-performance mask, the sealing strips made of the hydrogel are arranged on the peripheral edge of the inner side of the mask main body, and when a user wears the mask, the sealing strips are attachedto the face of the user, so that the whole edge of the mask makes close contact with the face, complete sealing is achieved, and then the epidemic prevention and dust prevention effects of the mask are improved; besides, the hydrogel can absorb sweat generated by the face making contact with the mask, heat is brought away through water vaporization, discomfort caused by stickiness and attachment of the sweat is relieved, the cool feeling is brought to the user, and the use comfort of the user is improved.

The invention provides a novel filter plate which can clean impurities, avoid blockage of a filter layer and improve the fluid circulation speed and the production efficiency. The novel filter plate comprises an upper filter plate, a lower filter plate and an outer frame, wherein the upper filter plate and the lower filter plate are arranged in parallel, two parallel slots are formed in the inner side of the outer frame, elastic layers are arranged at bottoms and walls of the slots, the outer frame comprises a frame I and a frame II which are integrally combined, a frame of the upper filter plate and a frame of the lower filter plate are detachably arranged in the slots, a gap exists between the upper filter plate and the lower filter plate, at least one group of vent pipes are arranged between the upper filter plate and the lower filter plate, the vent pipes are hollow and flat, multiple vent holes are formed in the vent pipes, and two ends of each vent pipe are arranged on the outer frame through a rotating device. With the adoption of the novel filter plate, the filter effect is improved, blockage of a filter net is avoided, the fluid flowing speed is increased, and the production efficiency is further improved.

The invention discloses a dustproof mask which comprises a filter device and a breathing device. The breathing device comprises a breathing panel, a one-way air suction valve is arranged on the upper portion of the breathing panel, a one-way exhalation valve is arranged on the lower portion of the breathing panel and comprises a second air inlet through hole and a second circular elastic baffle, the second air inlet through hole and the second circular elastic baffle are arranged at the corresponding positions of the breathing panel, a second support composed of a plurality of edge sets is fixed in the second air inlet through hole, a second protrusion is arranged at the position, on the periphery of the second air inlet through hole, of the surface of the outer side of the breathing panel, the second circular elastic baffle is fixed on the second support and attached to the second protrusion in a sealing mode, and a second spiral spring attached to the surface of the second circular elastic baffle is fixed on the side, far away from the second protrusion, of the second circular elastic baffle. Generation of a gap between the second circular elastic baffle and the second protrusion can be prevented by the second spiral spring; when air is sucked, external noxious air which is not filtered cannot enter the dustproof mask from the one-way exhalation valve, and breathing safety of a user can be effectively protected.

The invention discloses an air-purifying nasal mask, which includes an electrostatic dust collection unit, a breathing chamber, an exhaust fan, and a wearing structure. The channel can absorb dust in the air when the airflow passes through; the breathing cavity covers the nostrils or forms a sealed channel with the nostrils. When the exhaust fan is working, a negative pressure area is formed in the breathing chamber, and the outside air is sucked into the breathing chamber through the electrostatic dust collection unit, so that the breathing chamber is filled with clean air. And due to the suction of the exhaust fan, the exhaled gas is sucked to the outside of the breathing chamber, so that the exhalation is smooth and there is no feeling of stuffiness, and the product is smaller in size and weight, and the wearing comfort is better.

The invention provides an aeration device for treating domestic sewage. The aeration device comprises a water tank, an air heater and a driving structure, a plurality of aeration pipes are erected at the bottom of the water tank, the aeration pipes are obliquely arranged and incline downwards towards one side of a discharge pipe of the water tank, the other ends of the aeration pipes protrude out of the water tank and are all communicated with a collecting pipe, and the collecting pipe is communicated with an air outlet of an air heater; a plurality of air outlet holes are formed in the aeration pipes, cleaning structures are mounted in the aeration pipes, one ends of the cleaning structures protrude out of the inclined bottom ends of the aeration pipes and are in transmission connection with a driving structure, and the driving structure drives the cleaning structures in the aeration pipes to move, so that the air outlet holes of the aeration pipes are cleaned, and anti-blocking is realized; a relatively appropriate temperature can be provided for microorganisms in sewage by adopting a hot air supply effect, so that the activity is improved, and the reaction is accelerated; moreover, the air outlet holes can be prevented from being blocked, impurities are prevented from remaining in the aeration pipe, smooth ventilation and air outlet are maintained, and the aeration efficiency is improved.

The invention discloses a mask exhalation valve which comprises an upper cover, a valve base and a valve block. An upward boss is arranged on the valve base, and the upper surface of the boss is of a spherical structure. A locating column is arranged in the center of the upper surface of the boss, a groove is formed in the upper surface of the boss, and exhalation holes are formed between the groove and the locating column. A containing cavity for containing the boss is formed in the upper cover, a locating block is arranged in the center of the containing cavity, a locating hole is formed in the center of the locating block, and a plurality of air outlet holes are formed in the upper cover. The valve block is a flexible sheet, a through hole is formed in the center of the valve block, and a protruding rib is arranged on the edge of the valve block. The cavity and the boss are provided with mutually-embedded structures, the valve base and the upper cover are connected together through the embedded structures, the locating column penetrates the through hole and the locating hole to be connected with the locating block, and the protruding rib of the valve block is located in the groove of the boss. The exhalation holes are formed in the boss of the spherical structure, so that exhalation is more smooth; and the groove is formed in the upper surface of the boss, and the protruding rib is arranged on the edge of the valve block and located in the groove, so that gas tightness is good.

The invention relates to a disinfection structure of an exhaust port of a central air conditioner, and belongs to the technical field of structural design of exhaust ports of central air conditioners. The disinfection structure comprises an exhaust pipe and an exhaust port formed in the exhaust pipe; the exhaust port is connected with a disinfection box body accommodated in the exhaust pipe; the disinfection box body is provided with an intake port communicated with the exhaust pipe; and at least one ultraviolet lamp is arranged in the disinfection box body. The disinfection structure sterilizes and disinfects air entering rooms from the central air conditioner.

The present invention discloses one kind of rhinitis treating Chinese medicine and its preparation process. The medicine is prepared with bur beggarticks herb and honey, and through rinsing, drying and crushing bur beggarticks herb, sieving, mixing with honey, coating with gauze, forming suppository of 0.5 cm diameter and 3 cm length, and packing. It is used in treating rhinitis, sinusitis, frontal sinusitis and nasal clip hypertrophy, and has high curative effect, low cost, short treating period and no toxic side effect.

The invention discloses a lag-free oxygen supply breathing machine system, which comprises a breathing mask, an inspiration pipe, an expiration pipe, an oxygen supply chamber, an auxiliary oxygen supply pipeline and a start-stop cylinder used for opening and closing the auxiliary oxygen supply pipeline, and the breathing mask is communicated with the oxygen supply chamber through the inspiration pipe and the auxiliary oxygen supply pipeline. the breathing mask is communicated to outside, the auxiliary oxygen supply pipeline is arranged, a small amount of oxygen is supplied at the later half stage of expiration, and the oxygen amount needed by a user within the time when the respirator induces the inspiration airflow lagging time is made up; the situation that a user needs to supply oxygen for inspiration lags, and inspiration is difficult is avoided, better breathing experience is provided for the user, starting and stopping of the auxiliary oxygen supply pipeline are controlled through airflow of the expiration pipe, control is easy and convenient, expiration is smoother, the temperature of oxygen provided by the auxiliary oxygen supply pipeline is adjustable, and breathing is more comfortable.

The invention discloses a vapor output structure of a fumigation generator, which comprises an exhaust pipe and an air inlet connector, wherein the exhaust pipe is arranged on a shell of the fumigation generator; the air inlet connector is connected with a therapeutic device; and the exhaust pipe is moveably connected with the air inlet connector through a clamping sleeve type connector. The structure in the invention is simple and convenient to operate, can realize the connection and separation of the exhaust pipe and the air inlet connector conveniently and quickly, ensures the internal clearness and smoothness of the connector, ensures the smooth vapor output of a fumigation apparatus and reduces potential safety hazard.

The invention discloses a mouth mask exhalation valve. The mouth mask exhalation valve comprises an upper cover, a valve base and a valve sheet. The valve base is provided with an upward boss, the upper surface of the boss is of a spherical-surface-shaped structure, the center of the boss is provided with a location column, the upper surface of the boss is provided with a groove, and exhalation holes are formed between the groove and the location column; the upper cover is provided with a containing cavity containing the boss, a location block is arranged in the center of the containing cavity, a location hole is formed in the center of the location block, and a plurality of vent holes are formed in the upper cover; the valve sheet is a flexible sheet, a through hole is formed in the valve sheet, and a convex rib is arranged at the edge of the valve sheet; the cavity and the boss are provided with mutually embedded structures, the valve base and the upper cover are connected into a whole through the embedded structures, the location column penetrates through the through hole and the location hole and is connected with the location block, and the convex rib of the valve sheet is located in the groove of the boss. By forming the exhalation holes in the boss of the spherical-surface-shaped structure, expiration is smoother, and when the upper surface of the boss is provided with the groove and the convex rib is arranged at the edge of the valve sheet and located in the groove, the air impermeability is good.

The invention provides a perforating method for a double-glass edge sealing adhesive tape. With the method, air bubbles in a double-glass component are prevented from being produced due to the hole position deviation during edge sealing of the component; and meanwhile, the high cost caused by the single-row multi-hole multi-step manufacturing technology is avoided. On the premise that uncoiling is not performed, non-equidistance perforating is performed through positioning of the width central line of the adhesive tape in such a manner that holes are staggered in the width direction, and drilling equipment performs radial drilling directly along the outer coil circumferential surface until reaching the inner wall of the adhesive tape.

The invention relates to the technical field of obstetric masks, in particular to a delivery type protective mask. The delivery type protective mask comprises a mask hoop, wherein a panel is connectedbelow the mask hoop; a face fabric is connected below the panel; a hook opening is formed in one side of the mask hoop; the other side of the mask hoop is provided with a mask edge; breathing slots are formed in the top surface of the mask edge; a plurality of through holes are formed in the outer side of the mask edge; a bottom slot is formed in the bottom surface of the mask edge; the inner side of the bottom end of the panel is adhered with a loop, and the outer side of the top end of the face fabric is sutured with a hook; the outer side of the bottom end of the face fabric is connected with a neck hoop. According to the delivery type protective mask, the breathing slots are formed in the mask edge, so that exhaling hot air can float up in time and be discharged; the face fabric covermade of a breathable waterproof material is disposed at positions of a nose and a mouth, so that the breathing is smooth, no stuffiness is caused, and concentration on delivery is facilitated; the bottom end of the face fabric is sutured with the neck hoop, and the neck hoop is worn on the neck and fixed to effectively play a protective role to avoid the neck from being polluted.

The invention discloses a computer image output device. The device comprises a drawing table, wherein a canvas is arranged at an outlet of the drawing table, a drying mechanism for air-drying ink on the surface of the canvas is arranged at the top of the drawing table, and the drying mechanism comprises an inflation pipe fitting. According to the computer image output device, a cleaning mechanism is adopted to purify air blown out by the drying mechanism, the air firstly enters an inner cover through a bottom hole, and the inner cover is pushed by air pressure to move upwards along with more and more airflow entering the inner cover and the internal pressure exceeding the pulling limit of a pressure storage spring, so connecting holes of the inner cover and an outer cover are in butt joint, and high-pressure air accumulated in the inner cover is instantly ejected through the connecting holes; a fan continuously conveys air, the air flushes into a cleaning solution through the small connecting holes, dust in the air is mixed with the cleaning solution, and the air turns into bubbles which emerge from a water surface and are used by the drying mechanism; and therefore, the blown air has small influence on a drawn pattern, and the bright color of the pattern is ensured.

The invention discloses a continuous feeding vent device for a cracking furnace. The vent device comprises a base, wherein a spiral conveyor shell is installed on the base and extends into a cracking furnace body; a gas guide cylinder penetrating through the spiral conveyor shell and extending into the cracking furnace body is arranged on an axis of the spiral conveyor shell; a feeding auger is fixed on the peripheral surface of the gas guide cylinder; a gas collection tank is installed at the outer end of the gas guide cylinder; a gas guide cylinder rotation driving device is arranged on the gas guide cylinder; a gas guide cylinder deashing auger is installed in the gas guide cylinder; a deashing driving device is installed on the base. The vent device has the beneficial effects that the sectional area of the feeding channel is large, the feeding efficiency is high and the sealability is good; the gas guide cylinder of a vent channel is provided with the deashing auger, thus ensuring smooth venting and avoiding safety accidents caused by blockage; the gas guide cylinder also serves as the auger shaft of the feeding auger, so that the structure of the vent device is compact and the work efficiency is greatly improved.

A casting mold for fabricating slender oil pipe type castings comprises an upper sand mold, a lower sand mold, a sand core, an air-out structure, and a fixation structure. The air-out structure comprises a sand core interior air passage arranged in the sand core and a sand mold interior air passage arranged in the lower sand mold. The sand core interior air passage is arranged in a length direction of the sand core, and the sand mold interior air passage is arranged in a length direction of the lower sand mold. The fixation structure comprises a ventilating connecting rod. An upper end of the ventilating connecting rod passes through a via hole in the lower sand mold and a standard core hole of the sand core and into a sand filling area to be hermetically connected with the other end of the sand core interior air passage, and a lower end of the ventilating connecting rod is hermetically connected with one end of the sand mold interior air passage. In the invention, the fixation structure is arranged as a hollow air-out chamber, thereby achieving smooth air discharge from the oil pipe sand core under the premise of satisfying molding sand thicknesses of a side surface of an oil pipe and a lower core head of the lower sand mold, fundamentally solving the problems of fixation and air discharge of the slender sand core, and greatly lowering the casting difficulty of castings of such a structure.

The invention discloses a motor vehicle exhaust spark arrester and a fire resistant valve core. The fire resistant valve core comprises a front valve core, a middle impeller and a rear valve core; thefront valve core and the rear valve core form a cavity; the middle impeller is rotatably arranged in the cavity; when exhausting, gas and spark are exhausted to the middle impeller; the gas drives the middle impeller to rotate; in a rotating process of the middle impeller, on one hand, the spark impacts the middle impeller to realize the extinction of the spark; on the other hand, the impeller drives the gas to flow and exhaust. Therefore, the air outlet of the fire resistant valve core is more smooth; the back pressure of an engine is reduced; the use efficiency of fuel is improved; the permeability of exhaust emission is improved; the extinction of the spark can be ensured; and the safety of a combustible and explosive place is further improved.

The invention discloses an improved structure of a molecular sieve, belongs to an oxygenerator air filtering device, and aims to provide a molecular sieve used for improving air filtering quality and prolonging the service life of a piece of a filtering paper. The improved structure comprises a top cover and a bottom cover which are arranged on the two ends of the screen drum and are tightened by a threaded rod, an air outlet nozzle fixed on the top cover, an air inlet nozzle fixed on the bottom cover, a filtering material filled in a screen drum, filtering plates arranged above and below the filtering material, and multiple pieces of filtering papers arranged on the surfaces of the filtering plates, wherein a lining (8) is arranged between the piece of filtering paper (3) positioned below the filtering material (5) and the bottom cover (10), a spring (2) is arranged between the piece of filtering paper (3) positioned above the filtering material (5) and the top cover (12), and the top cover (12) and the bottom cover (10) are both provided with sealing rings (11). The improved structure provided by the invention has the advantages that the density of the filtering material is controlled, smooth ventilation is also guaranteed, and the improved structure is the oxygenerator air filtering device.

The invention relates to a nose cover with hollow tube, which comprises a nose cover inside the nasal cavity, wherein the nose cover is adhered with the nasal cavity; it comprises one hollow tube at the lower nose channel of nasal cavity and one connector for connecting the nose cover and the hollow tube; said hollow tube has one bend tube with several detach packs and bend connecting ring; the bend tube is one tube bendable, to adjust the angle; and the bend connecting ring connects the detach packs to form the bend tube and adjust needed length; therefore, the user can adjust the length and angle when wearing it.

A medicine for treating rhinitis relates to a medicine and is characterized in that the medicine is prepared by the raw materials with the following parts by weight: 10-20 parts of dandelion, 8-16 parts of Philippine violet herb, 6-14 parts of cordate houttuynia and 10-30 parts of loofah sponge. The medicine of the invention also can be added with 6-14 parts of reed root, 6-14 parts of angelica dahurica and 3-9 parts of biond magnolia flower. When in preparation, all medicinal materials are added with 600-1,000 parts of water and decocted until 1 / 3 water is left. The medicine of the invention has significant effect and treats rhinitis by aiming at the disease causes and pathogenesis of patients; furthermore, the medicine of the invention has simple material selection and preparation, low cost and convenient and fast performance; as Chinese medicines are essentially selected as the raw materials, the side effect is low, the curative effect is rapid and fine; through the treatment observation on 106 cases, the total effective rate reaches 97.2%.

A breathable mask comprises a mask body and ear hangers, and is characterized by further comprising a breathable support, a breathable sheet and breathable holes on the mask body. Damp gas in the maskcan be effectively reduced, exhaled carbon dioxide can be smoothly exhausted, and smooth exhaling is realized.

The invention discloses a hidden mask for a yarn production workshop worker. The hidden mask comprises U-shaped buckles and sponge bodies, and the buckles and the sponge bodies are fixedly connected.The sponge bodies are in a disc shape. Each sponge body is provided with a door and a through hole, wherein the edge of the door and the inner wall of the through hole are connected into a whole through connecting parts. The upper surfaces of the sponge bodies are attached to nostril cavities of nostrils. The lower surfaces of the sponge bodies are arranged outdoors, the connecting parts are arranged at the positions of the lower surfaces, and the U-shaped buckles and the edge of the nose are clamped and connected. The hidden mask has the following beneficial effects that the hidden mask adopted in the device is small in size and convenient to wear; secondly, according to the provided mask, breathing is relatively smooth; and thirdly, compared with a traditional mask, the hidden mask is good in fly fluff filter effect.

The invention provides a gas stripping sludge discharge device comprising a horizontal gas tank, wherein a hand hole is formed in a side wall of an upper end of the gas tank, a sludge inlet pipe is arranged at a position close to the side wall of a left end on a lower end of the gas tank, a sludge outlet pipe is arranged at a position close to the bottom on a right end of the gas tank, the sludge outlet pipe is connected with a sludge header pipe, an exhaust pipe is arranged on one side of the hand hole, a brake valve is arranged on the exhaust pipe, the sludge inlet pipe is connected with a sludge suction pipe through a movable joint, a sludge suction horn mouth is arranged at a bottom end of the sludge suction pipe, a *-shaped rotating blade is arranged at the center of the sludge suction horn mouth, an air inlet pipe is arranged at a 1 / 3 height of the sludge suction pipe from bottom to top, the air inlet pipe is connected with a blower, the air inlet pipe stretches into the sludge suction pipe, the pipe orifice is vertically upward, a flow guide ball is arranged right above the sludge suction pipe in the gas tank, and symmetrical arc-shaped flow guide plates are arranged on the top left side and the top right side of the gas tank.

The invention discloses a portable nose mask. The nose mask comprises a mask casing, a separating plate, a fan and a battery for providing electric energy for the fan; the mask casing adopts the casing structure with an open back end surface; an exhaust channel is formed in the mask casing; the separating plate is arranged in the mask casing and divides space, except the exhaust channel, of the mask casing into a front air inlet cavity and a back air changing cavity in the front-and-back direction; a gap for communicating the front air inlet cavity and the back air changing cavity is formed inthe separating plate; one end of the exhaust channel communicates with the back air changing cavity, and the other end forms an exhaust hole in the mask casing; multiple air inlets communicating withthe front air inlet cavity are formed in the front end surface of the mask casing; the fan and the battery are arranged in the front air inlet cavity; and air is driven by the fan to be sucked into the mask casing along the air inlets and then be exhausted outwards along the exhaust hole. The battery and the fan are directly mounted in the mask casing, and the air is directly sucked into the maskcasing by the aid of the fan, so that the nose mask is simple in structure and is not required to be additionally equipped with a connecting air pipe, the resistance produced by the connecting air pipe is reduced, and the nose mask is convenient to use.

The invention discloses a portable intelligent air filtration positive pressure assisted breathing and ultrasonic atomizing device. The device comprises a protection part, a connection part, a gas supply part, a control part and a power supply part; by using the linkage cooperation of the protection part, the connection part, the gas supply part, the control part and the power supply part, the device can adjustably supply atomized oxygen gas to users so that different users can keep breathing smoothly when it is necessary to wear anti-haze devices outdoors, the body function damage caused by oxygen deficit of the body can be effectively avoided, and waste gas exhaled by the human body is timely discharged at the same time. The portable intelligent air filtration positive pressure assistedbreathing and ultrasonic atomizing device is reasonable in design, simple in structure, convenient to operate, diversified in function and convenient to carry, effectively solves the problems that inthe prior art, common anti-haze masks have a poor protection function and protection masks are complicated to wear, is suitable for outdoor use by all sensitive and non-sensitive people, and has goodmarket application prospects.

The invention relates to wearable equipment for lung rehabilitation. The wearable equipment comprises a wearable vest, a breathing mask, a mainframe box, an oxyhemoglobin saturation measuring instrument, an electronic blood pressure measuring instrument, a heart rate measuring instrument and the like. In an expiration process, an air meter at an expiration opening works, the volume of the breathing mask is continuously increased when a stepping motor rotates, so that the action of exhausting air is continuous, and expiration is smoother, the vital capacity and the maximum expiration amount in the lung rehabilitation training process can be determined through the rotating angle of the stepping motor. In an inspiration process, an air meter at an inspiration opening works, and when a second movable ring and a first movable ring get close to each other, the breathing mask is filled with air, and therefore, an air filling action is continuous, and inspiration is smoother. The vital capacity and the maximum expiration amount in the lung rehabilitation training process can be determined through the rotating angle of the stepping motor. Blood oxygen saturation, blood pressure, heart rate and the like can be detected.