CN110772694B

CN110772694B - Breathing device with humidifying function

Info

Publication number: CN110772694B
Application number: CN201911242718.0A
Authority: CN
Inventors: 朱红波; 王智刚; 张霞明
Original assignee: First Peoples Hospital of Changzhou
Current assignee: First Peoples Hospital of Changzhou
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-06-05
Anticipated expiration: 2039-12-06
Also published as: NL2026689A; NL2026689B1; CN110772694A

Abstract

The invention relates to the technical field of breathing equipment, in particular to a breathing device with a humidifying function, which comprises an oxygen generator, an air-oxygen mixer and a humidifier; the air-oxygen mixer is communicated with the oxygen generator and the outside air to mix the air and the oxygen entering the air-oxygen mixer, the humidifier is communicated with an air outlet pipeline of the air-oxygen mixer through a horizontal atomization pipeline, and the air is supplied through the same air supply pipeline; the atomizing pipeline and the air outlet pipeline are vertically arranged, and the angular deviation range of the axis of the air supply pipeline relative to the axis bisector of the atomizing pipeline and the air outlet pipeline is 0 to +/-10 degrees. In the invention, the angles between the axes of the pipelines are reasonably arranged to form a convection area, the arrangement of the convection area ensures that the two gases are uniformly mixed by impact, the mixed gases flow out through the gas supply pipeline, and the inclination of the gas supply pipeline conforms to the resultant force direction of the two gases, thereby avoiding the resistance of the mixed gases in the circulating process.

Description

Breathing device with humidifying function

Technical Field

The invention relates to the technical field of breathing equipment, in particular to a breathing device with a humidifying function.

Background

A ventilator is a very common first aid and life support device that is widely used in first aid, post-operative recovery, and respiratory therapy. It is known that the nasal cavity is very sensitive to dry air, which can cause considerable discomfort in the use of a ventilator, resulting in a failure of the treatment. The breathing machine is used at home, and general doctors can also recommend that users use a heating humidifier best, the breathing machine humidification benefit is very obvious, and the humidifier can humidify air, increase the moisture content in the air and can provide a better humidification effect.

However, in the process of using the breathing machine with the humidifying function, the effect of mixing air, oxygen and water mist is not ideal, so that the experience effect in the using process is not good enough.

In view of the above problems, the inventor of the present invention has made active research and innovation based on the practical experience and professional knowledge of the engineering application of such products for many years, and together with the application of the theory, in order to create a breathing apparatus with humidifying function, so that the breathing apparatus has more practicability.

Disclosure of Invention

The invention provides a breathing device with a humidifying function, which can uniformly mix air, oxygen and water mist, thereby effectively solving the problems in the background technology.

In order to achieve the purpose, the invention adopts the technical scheme that: the method comprises the following steps:

a breathing device with humidifying function comprises an oxygen generator, an air-oxygen mixer and a humidifier;

the air-oxygen mixer is communicated with the oxygen generator and the outside air to mix the air and the oxygen entering the air-oxygen mixer, and the humidifier is communicated with an air outlet pipeline of the air-oxygen mixer through a horizontal atomization pipeline and supplies air through the same air supply pipeline;

the atomizing pipeline and the air outlet pipeline are vertically arranged, and the angle deviation range of the axis of the air supply pipeline relative to the axis bisector of the atomizing pipeline and the air outlet pipeline is 0 to +/-10 degrees.

Further, the tail end of the gas outlet pipeline is provided with a pipe body module, the pipe body module comprises a plurality of pipelines which are uniformly distributed, and a mounting seat for fixing one end of each pipeline, wherein the tail end of each pipeline module forms a plane, and the plane is perpendicular to the axis of the gas supply pipeline.

Furthermore, the periphery of the air outlet pipeline at the mounting seat is provided with a heating unit.

Further, the humidifier comprises a shell and a floating body unit positioned in the shell, wherein the floating body unit is used for installing an atomization device.

Further, a displacement sensor is arranged between the atomization device and the shell and used for monitoring the distance between the floating body unit and the top of the shell.

Furthermore, the atomization device comprises a primary venturi tube path and a transition cavity communicated with the top of the primary venturi tube path, a plurality of secondary venturi tube paths are arranged on the end surface of the transition cavity perpendicular to the axis of the primary venturi tube path, the secondary venturi tube paths are uniformly distributed on the end surface, the atomization device further comprises an atomization net piece, and the atomization net piece is arranged on the upper portion of the shell and is in smooth transition with the atomization pipeline and in the connection pipe longitudinally arranged;

and a compression fan is arranged at the bottom of the primary Venturi pipeline.

Further, the bottom of the transition cavity is provided with a backflow hole.

Further, the top of the shell is a smooth cone structure, and the connecting pipe is connected with the top of the cone structure.

Further, the periphery of the secondary venturi pipeline is a cylindrical structure provided with external threads, and the cylindrical structure is in threaded connection with the threaded hole in the end face.

Further, the heating unit is a heating sheet attached to the periphery of the air outlet pipeline.

Through the technical scheme, the invention has the beneficial effects that:

in the invention, in order to better mix air, oxygen and water mist, the angles among the atomizing pipeline of the humidifier, the air outlet pipeline of the air-oxygen mixer and the axis of the air supply pipeline are reasonably set, so that the air-oxygen mixer and the water mist form a convection zone at the joint of the air supply pipeline and the air supply pipeline, the convection zone is arranged to ensure that two gas streams are uniformly mixed by impact, the mixed gas flows out through the air supply pipeline which is arranged in a relatively inclined way, the inclined way of the air supply pipeline conforms to the resultant force direction of the two gas streams, the resistance of the mixed gas in the circulation process is avoided, and the smoothness of the mixed gas is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of a respiratory apparatus with humidification;

fig. 2 is a schematic structural view of a pipe module;

FIG. 3 is a front view of FIG. 2;

FIG. 4 is a partial schematic view of the outlet duct at the location of the tube modules;

FIG. 5 is a schematic view of a humidifier;

FIG. 6 is a schematic structural view of an atomizing device;

FIG. 7 is a schematic structural view of a two-stage venturi circuit;

reference numerals: the oxygen generator 1, the air-oxygen mixer 2, the gas outlet pipeline 21, the pipe body module 22, the pipeline 22a, the mounting seat 22b, the heating unit 22c, the humidifier 3, the atomization pipeline 31, the floating body unit 32, the atomization device 33, the primary venturi pipeline 33a, the transition cavity 33b, the secondary venturi pipeline 33c, the atomization net 33d, the backflow hole 33e, the shell 34, the connecting pipe 35, the compression fan 36 and the gas supply pipeline 4.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. This embodiment is written in a progressive manner.

As shown in fig. 1, a breathing apparatus with humidifying function includes an oxygen generator 1, an air-oxygen mixer 2 and a humidifier 3; the air-oxygen mixer 2 is communicated with the oxygen generator 1 and the outside air to mix the air and the oxygen entering the air-oxygen mixer, the humidifier 3 is communicated with the air outlet pipeline 21 of the air-oxygen mixer 2 through a horizontal atomization pipeline 31, and the air is supplied through the same air supply pipeline 4; wherein, the atomizing pipeline 31 and the air outlet pipeline 21 are vertically arranged, and the angle deviation range of the axis of the air supply pipeline 4 relative to the bisector of the axes of the atomizing pipeline 31 and the air outlet pipeline 21 is 0 to +/-10 degrees.

In the invention, in order to better mix air, oxygen and water mist, the angles among the axes of the atomizing pipeline 31 of the humidifier 3, the air outlet pipeline 21 of the air-oxygen mixer 2 and the air supply pipeline 4 are reasonably set, so that the air-oxygen mixer and the water mist form a convection zone at the joint of the air supply pipeline 4, the two gases are uniformly mixed by impact at the convection zone, the mixed gases flow out through the air supply pipeline 4 which is arranged in a relatively inclined manner, the inclined arrangement of the air supply pipeline 4 conforms to the resultant force direction of the two gases, the resistance of the mixed gases in the circulation process is avoided, and the smoothness of the mixed gases is ensured.

As a preferred embodiment, as shown in fig. 2 to 4, a pipe module 22 is disposed at the end of the gas outlet pipeline 21, the pipe module 22 includes a plurality of pipelines 22a uniformly distributed, and a mounting seat 22b for fixing one end of each pipeline 22a, wherein the end of each pipeline module 22 forms a plane, and the plane is perpendicular to the axis of the gas supply pipeline 4. In this preferred scheme, through the setting of body module 22 for each pipeline 22a can jet out the dispersion that the air oxygen gas mixture was concentrated more, and the velocity of flow that this kind of concentration nature on the one hand can increase the air oxygen gas mixture and flow out, and on the other hand still can carry out better mixture through evenly distributed's columnar gas mixture efflux and water smoke, and the air oxygen gas mixture can have more aggressive dispersion entering water smoke gas in, guarantees the homogeneity of mixing. It is further advantageous that the end of each pipeline module 22 forms a plane perpendicular to the axis of the gas supply pipeline 4, as shown in fig. 3, the air-oxygen mixture gas flows out from the pipeline 22a in the order of time from left to right in the drawing, wherein the gas flowing out in advance releases pressure after the restriction of the pipeline 22a is removed, so that a region with a higher gas density is formed on the left side relative to the right side in the drawing, and resistance to water mist reversal is formed to a certain extent, so that the gas and the water mist are mixed more sufficiently, and a short back mixing is formed in the circulation process.

In the mixing process, as shown in fig. 4, in order to avoid the condensation of the water mist due to the excessively low temperature, a heating unit 22c is arranged on the periphery of the air outlet pipeline 21 at the mounting seat 22b, and the above problem is effectively solved by the arrangement of the heating unit 22 c. Wherein, preferably, the heating unit 22c is a heating plate attached to the periphery of the air outlet pipeline 21, so as to facilitate installation and easily control the heating effect.

As preferred for the above embodiment, the humidifier 3 comprises a housing 34, and a float unit 32 located within the housing 34, the float unit 32 being adapted to mount the atomizing device 33. As shown in fig. 5, the floating body unit 32 is disposed such that the atomization device 33 can maintain a set distance from the water surface, thereby effectively maintaining the atomization effect.

Install displacement sensor between atomizing device 33 and the casing 34 for the distance of monitoring body unit 32 for the casing 34 top, thereby guarantee that atomizing device 33 has sufficient water level height in the work engineering through displacement sensor's data acquisition, avoid because of the atomizing danger that the water level is low and arouse. The stay wire type displacement sensor is preferred, and the requirement on the accuracy of the installation position is low.

As a preferred example of the above embodiment, as shown in fig. 6, the atomizing device 33 includes a first-stage venturi tube path 33a and a transition cavity 33b communicated with the top of the first-stage venturi tube path 33a, a plurality of second-stage venturi tube paths 33c are disposed on an end surface of the transition cavity 33b perpendicular to the axis of the first-stage venturi tube path 33a, the second-stage venturi tube paths 33c are uniformly distributed on the end surface, the atomizing device 33 further includes an atomizing mesh 33d, and the atomizing mesh 33d is disposed inside a connecting pipe 35 which is disposed at the upper portion of the housing 34 and is in smooth transition with the atomizing tube 31 and is; a compressor fan 36 is provided at the bottom of the primary venturi passage 33 a.

In a specific working process, as shown in fig. 6, the compression fan 36 is configured to provide compressed air, the compressed air drives the liquid to enter the first-stage venturi tube 33a and reach the transition cavity 33b, the transition cavity 33b is configured to keep relative concentration by being limited in the water mist circulation process, and avoid falling back in an area where the air pressure is not concentrated due to excessive dispersion, so as to affect the atomization efficiency, the water mist flows out through the second-stage venturi tube 33c after the cavity is transitioned, the mist is smoother in the circulation process due to the configuration of the two-stage venturi tube, secondary graded adsorption is obtained, and finally the water mist reaches the atomization mesh 33d and is scattered to form mist for use. Wherein, the bottom of transition cavity 33b is provided with backward flow hole 33e, and its effect lies in making the inside remaining liquid of transition cavity 33b can flow back and continue work, avoids the influence to the gas circulation.

Preferably, the top of the housing 34 is a smooth cone structure, and the connecting tube 35 is connected to the top of the cone structure, which also functions as a backflow structure.

As the structure optimization of the secondary venturi tube path 33c, as shown in fig. 7, the periphery thereof is a cylindrical structure provided with external threads, and the cylindrical structure is in threaded connection with the threaded hole on the end surface, so that the installation and replacement are facilitated, and the local pipeline structure is easier to process.

It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A breathing device with a humidifying function is characterized by comprising an oxygen generator (1), an air-oxygen mixer (2) and a humidifier (3);

the air-oxygen mixer (2) is communicated with the oxygen generator (1) and the outside air to mix the air and the oxygen entering the air-oxygen mixer, and the humidifier (3) is communicated with an air outlet pipeline (21) of the air-oxygen mixer (2) through a horizontal atomization pipeline (31) and supplies air through the same air supply pipeline (4);

the atomizing pipeline (31) and the air outlet pipeline (21) are vertically arranged, and the angular deviation range of the axis of the air supply pipeline (4) relative to the bisector of the axes of the atomizing pipeline (31) and the air outlet pipeline (21) is 0 to +/-10 degrees;

the humidifier (3) comprises a shell (34) and a floating body unit (32) positioned in the shell (34), wherein the floating body unit (32) is used for installing an atomization device (33);

the atomization device (33) comprises a primary venturi tube path (33 a) and a transition cavity (33 b) communicated with the top of the primary venturi tube path (33 a), the transition cavity (33 b) and the end surface perpendicular to the axis of the primary venturi tube path (33 a) are provided with a plurality of secondary venturi tube paths (33 c), the secondary venturi tube paths (33 c) are uniformly distributed on the end surface, the atomization device (33) further comprises an atomization mesh (33 d), and the atomization mesh (33 d) is arranged inside a connecting pipe (35) which is arranged on the upper portion of the shell (34) and is in smooth transition with the atomization tube (31) and is longitudinally arranged;

and a compression fan (36) is arranged at the bottom of the primary Venturi pipeline (33 a).

2. The breathing device with humidification function as claimed in claim 1, wherein the end of the outlet pipeline (21) is provided with a pipe module (22), the pipe module (22) comprises a plurality of evenly distributed pipelines (22 a) and a mounting seat (22 b) for fixing one end of each pipeline (22 a), wherein the end of each pipeline module (22) forms a plane, and the plane is arranged perpendicular to the axis of the air supply pipeline (4).

3. The breathing device with humidification function according to claim 2, wherein the outlet line (21) is provided with a heating unit (22 c) at the periphery of the mounting seat (22 b).

4. Breathing device with humidification function according to claim 1, wherein a displacement sensor is mounted between the nebulizing device (33) and the housing (34) for monitoring the distance of the float unit (32) with respect to the top of the housing (34).

5. Breathing device with humidification function according to claim 1, wherein the bottom of the transition cavity (33 b) is provided with a backflow hole (33 e).

6. The respiratory device with humidifying function as claimed in claim 1, wherein the top of the housing (34) is a smooth vertebral body structure, and the connecting pipe (35) is connected with the top of the vertebral body structure.

7. The breathing device with humidifying function according to claim 1, wherein the periphery of the secondary venturi pipeline (33 c) is a cylindrical structure provided with external threads, and the cylindrical structure is in threaded connection with a threaded hole on the end surface.

8. The breathing device with humidification function as claimed in claim 3, wherein the heating unit (22 c) is a heating sheet attached to the periphery of the outlet duct (21).