CN110772694B - Breathing device with humidifying function - Google Patents

Abstract

The invention relates to the technical field of breathing equipment, in particular to a breathing device with humidification function, including an oxygen generator, an air-oxygen mixer and a humidifier; Air and oxygen are mixed, and the humidifier is connected to the air outlet pipe of the air-oxygen mixer through the horizontal atomization pipeline, and the gas is supplied through the same air supply pipeline; the atomization pipeline and the gas outlet pipeline are vertically arranged for The angular offset range of the axis of the gas pipeline relative to the axis bisector of the atomization pipeline and the gas outlet pipeline is 0~±10°. In the present invention, the angle between the axes of each pipeline is reasonably set to form a convection area. The setting of the convection area enables the two gases to be uniformly mixed by impacting here, and the mixed gas passes through The gas supply pipeline flows out, and the inclined setting of the gas supply pipeline conforms to the direction of the resultant force received by the two gases, so as to avoid the resistance of the mixed gas during the circulation process.

Description

A breathing apparatus with humidification function

technical field

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

Background technique

Ventilator is a very commonly used emergency and life support equipment, which is widely used in first aid, postoperative recovery and respiratory therapy. We know that the nasal cavity is very sensitive to dry air, and dry air can be very uncomfortable when using a ventilator, which can lead to treatment failure. When using a ventilator at home, doctors generally recommend that users use a heated humidifier. The benefits of ventilator humidification are very obvious. The humidifier can humidify the air and increase the moisture content in the air, which can provide Better humidification.

However, in the process of using a ventilator with a humidification function, the mixing effect of air, oxygen and water mist is not ideal, which makes the experience effect during use poor.

In view of the above problems, the inventor of the present invention, based on many years of rich practical experience and professional knowledge in the application of such products, and with the application of academic theory, actively researches and innovates, in order to create a breathing device with humidification function, making it more practicality.

SUMMARY OF THE INVENTION

The present 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 art.

In order to achieve the above object, the technical scheme adopted in the present invention is: including:

A breathing apparatus with humidification function, comprising an oxygen generator, an air-oxygen mixer and a humidifier;

The air-oxygen mixer communicates with the oxygen generator and the outside air, and mixes the air and oxygen entering it. The humidifier is connected to the air outlet pipe of the air-oxygen mixer through a horizontal atomization pipeline. Connected to the road, and the gas supply is carried out through the same gas supply pipeline;

Wherein, the atomization pipeline and the gas outlet pipeline are vertically arranged, and the angular offset range of the axis of the gas supply pipeline relative to the axis bisector of the atomization pipeline and the gas outlet pipeline is 0~±10°.

Further, a pipe body module is provided at the end of the air outlet pipeline, and the pipe body module includes a plurality of pipelines evenly distributed, and a mounting seat for fixing one end of each of the pipelines, wherein each of the pipelines The end of the module forms a plane, and the plane is perpendicular to the axis of the air supply line.

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

Further, the humidifier includes a housing, and a floating body unit located in the housing, the floating body unit is used for installing the atomizing device.

Further, a displacement sensor is installed between the atomizing device and the housing for monitoring the distance of the floating body unit relative to the top of the housing.

Further, the atomization device includes a first-level venturi pipeline and a transition cavity communicated with the top of the first-level venturi pipeline, and the transition cavity is perpendicular to the end face of the first-level venturi pipeline axis. A number of secondary venturi pipelines are arranged on the upper part, and the secondary venturi pipelines are evenly distributed on the end face. The upper part of the body and the atomization pipeline smoothly transition and the inside of the connecting pipe arranged longitudinally;

A compressor fan is arranged at the bottom of the first-stage venturi pipeline.

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

Further, the top of the casing is a smooth vertebral structure, and the connecting pipe is connected to the top of the vertebral structure.

Further, the periphery of the secondary venturi pipeline is a cylindrical structure provided with external threads, and the cylindrical structure is threadedly connected with the threaded holes on the end surface.

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

Through the above-mentioned technical scheme, the beneficial effects of the present invention are:

In the present invention, in order to better mix air, oxygen and water mist, the angles between the atomization pipeline of the humidifier, the air outlet pipeline of the air-oxygen mixer and the axis of the air supply pipeline are reasonably set , which can make the air-oxygen mixer and the water mist form a convection area at the connection with the gas supply pipeline. The setting of this convection area enables the two gases to be uniformly mixed by impact here, and the mixed gas passes through the relative inclination. The inclined setting of the gas supply pipeline conforms to the direction of the resultant force received by the two gases, so as to avoid the resistance of the mixed gas during the circulation process and ensure its smoothness.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments described in the present invention. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

Fig. 1 is the structural representation of the breathing apparatus with humidification function;

Fig. 2 is the structural representation of the pipe body module;

Fig. 3 is the front view of Fig. 2;

Fig. 4 is a partial schematic diagram of the air outlet pipeline at the position of the pipe body module;

5 is a schematic structural diagram of a humidifier;

Fig. 6 is the structural representation of atomization device;

Fig. 7 is the structural representation of secondary venturi pipeline;

Reference numerals: oxygen generator 1, air-oxygen mixer 2, air outlet pipeline 21, tube body module 22, pipeline 22a, mounting seat 22b, heating unit 22c, humidifier 3, atomization pipeline 31, floating body unit 32. Atomization device 33, primary venturi pipeline 33a, transition cavity 33b, secondary venturi pipeline 33c, atomizing mesh 33d, return hole 33e, shell 34, connecting pipe 35, compressor fan 36, Air supply line 4.

Detailed ways

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

In the description of the present invention, it should be noted that "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation or a specific orientation. construction and operation, and therefore should not be construed as limiting the invention.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations. This embodiment is written in a progressive manner.

As shown in Figure 1, a breathing apparatus with humidification 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, and is The air and oxygen in it are mixed, and the humidifier 3 is communicated with the outlet pipeline 21 of the air-oxygen mixer 2 through the horizontal atomization pipeline 31, and the gas is supplied through the same gas supply pipeline 4; The pipeline 31 and the gas outlet pipeline 21 are vertically arranged, and the angle offset of the axis of the gas supply pipeline 4 relative to the axis bisector of the atomization pipeline 31 and the gas outlet pipeline 21 is 0~±10°.

In the present invention, in order to better mix the air, oxygen and water mist, the atomization pipeline 31 of the humidifier 3, the air outlet pipeline 21 of the air-oxygen mixer 2 and the axis of the air supply pipeline 4 are adjusted. Reasonable setting of the angle can make the air-oxygen mixer and the water mist form a convection area at the butt joint with the gas supply pipeline 4. The setting of this convection area enables the two gases to be uniformly mixed by impact here, and the mixing The latter gas flows out through the relatively inclined gas supply pipeline 4. The inclined setting of the gas supply pipeline 4 conforms to the direction of the resultant force received by the two gases, thereby avoiding the resistance of the mixed gas during the circulation process and ensuring its smoothness. .

As a preferred embodiment of the above embodiment, as shown in FIGS. 2 to 4 , a pipe body module 22 is provided at the end of the air outlet pipeline 21 , and the pipe body module 22 includes a plurality of pipelines 22a evenly distributed, and one end of each pipeline 22a is fixed The mounting seat 22b, wherein the end of each pipeline module 22 forms a plane, and the plane is perpendicular to the axis of the air supply pipeline 4 . In this preferred solution, through the arrangement of the pipe body modules 22, each pipeline 22a can disperse the air-oxygen mixture in a more concentrated manner. It can also be better mixed with the water mist through the evenly distributed column-shaped mixed gas jet, and the air-oxygen mixture can be more aggressively dispersed into the water mist gas to ensure the uniformity of mixing. More advantageously, the end of each pipeline module 22 forms a plane perpendicular to the axis of the gas supply pipeline 4. Referring to FIG. The time flows out from the pipeline 22a in a first-to-last order, wherein the gas that flows out first releases the pressure after the restriction of the pipeline 22a is released, so that the gas density is higher on the left side of the figure than on the right side. To a certain extent, it forms a resistance to the reverse of the water mist, which will make the mixing of the two more sufficient, and form a short-term reverse mixing in the process of circulation.

During the mixing process, as shown in FIG. 4 , in order to avoid condensation of water mist due to too low temperature, a heating unit 22c is provided on the periphery of the air outlet pipe 21 at the mounting seat 22b. the above problem. Among them, preferably, the heating unit 22c is a heating sheet attached to the periphery of the air outlet pipeline 21, which is convenient for installation and easy to control the heating effect.

As a preferable example of the above embodiment, the humidifier 3 includes a housing 34 and a floating body unit 32 located in the housing 34 , and the floating body unit 32 is used for installing the atomizing device 33 . As shown in FIG. 5 , the setting of the floating body unit 32 enables the atomizing device 33 to maintain a set distance from the water surface, thereby effectively maintaining the effect of atomization.

A displacement sensor is installed between the atomizing device 33 and the casing 34 to monitor the distance of the floating body unit 32 relative to the top of the casing 34, so as to ensure that the atomizing device 33 has sufficient capacity in the work project through the data collection of the displacement sensor. The height of the water surface avoids the danger of fogging caused by the low water level. Among them, the pull-wire type displacement sensor is preferred, and the accuracy of the installation position is low.

As a preference of the above-mentioned embodiment, as shown in FIG. 6 , the atomizing device 33 includes a first-stage venturi pipeline 33a and a transition cavity 33b communicating with the top of the first-stage venturi pipeline 33a, and the transition cavity 33b is connected to the first-stage venturi A plurality of secondary venturi pipelines 33c are arranged on the end surface of the inner pipeline 33a which is perpendicular to the axis, and the secondary venturi pipelines 33c are evenly distributed on the end surface. The atomizing device 33 also includes an atomizing mesh 33d. A compressor fan 36 is arranged at the bottom of the first-stage Venturi pipeline 33a and is arranged inside the connecting pipe 35 which is arranged in a smooth transition between the upper part of the casing 34 and the atomization pipeline 31 and is arranged longitudinally.

In the specific working process, as shown in FIG. 6 , the compressor fan 36 is used to provide compressed air, and the compressed air drives the liquid to enter the first-stage Venturi pipeline 33a and reach the transition cavity 33b. The purpose of the transition cavity 33b is to make the In the process of water mist circulation, it is restricted to maintain relative concentration, so as to avoid falling back in the area where the air pressure is not concentrated due to excessive dispersion, thus affecting the atomization efficiency. When the mist flows out, the setting of the two-stage venturi pipeline makes the mist flow more smoothly, obtains secondary hierarchical adsorption, and finally reaches the atomizing mesh 33d and is dispersed to form mist for use. The bottom of the transition cavity 33b is provided with a return hole 33e, the function of which is to enable the liquid remaining in the transition cavity 33b to return to continue working, so as to avoid influence on gas circulation.

As a preference of the above embodiment, the top of the casing 34 is a smooth vertebral body structure, and the connecting pipe 35 is connected to the top of the vertebral body structure, and this structure also plays the role of backflow.

As a structural optimization of the secondary Venturi pipeline 33c, as shown in Figure 7, its periphery is a cylindrical structure provided with external threads, and the cylindrical structure is threadedly connected with the threaded holes on the end face, thereby facilitating installation and replacement. The piping structure is also easier to machine.

Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and the descriptions in the above-mentioned embodiments and the description are only to illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have Various changes and modifications fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (8)

1. A breathing apparatus with a humidifying function, characterized in that it comprises an oxygen generator (1), an air-oxygen mixer (2) and a humidifier (3); The air-oxygen mixer (2) communicates with the oxygen generator (1) and the outside air, and mixes the air and oxygen entering it, and the humidifier (3) passes through a horizontal atomization pipeline ( 31) communicate with the gas outlet pipeline (21) of the air-oxygen mixer (2), and supply gas through the same gas supply pipeline (4); Wherein, the atomization pipeline (31) and the gas outlet pipeline (21) are arranged vertically, and the axis of the gas supply pipeline (4) is relative to the axis of the atomization pipeline (31) and the gas outlet pipeline (21). The angular offset range of the axis bisector is 0 ~ ±10°; The humidifier (3) comprises a housing (34), and a floating body unit (32) located in the housing (34), the floating body unit (32) being used for installing an atomizing device (33); The atomization device (33) includes a first-stage venturi pipeline (33a) and a transition cavity (33b) communicated with the top of the first-stage Venturi pipeline (33a), and the transition cavity (33b) is connected to the top of the first-stage Venturi pipeline (33a). A plurality of secondary venturi pipelines (33c) are arranged on the end face of the primary venturi pipeline (33a) whose axis is vertical, and the secondary venturi pipelines (33c) are evenly distributed on the end surface. The atomizing device (33) further comprises an atomizing mesh (33d), and the atomizing mesh (33d) is arranged on the upper part of the casing (34) to smoothly transition from the atomization pipeline (31) and is longitudinally arranged inside the connecting pipe (35); A compressor fan (36) is arranged at the bottom of the first-stage venturi pipeline (33a). 2 . The breathing apparatus with humidification function according to claim 1 , wherein a tube body module ( 22 ) is provided at the end of the air outlet pipeline ( 21 ), and the tube body module ( 22 ) includes a uniform A plurality of pipelines (22a) 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, the plane and the The axis of the air supply pipeline (4) is vertically arranged. 3 . The breathing apparatus with humidification function according to claim 2 , wherein a heating unit ( 22 c ) is provided at the periphery of the air outlet pipe ( 21 ) at the mounting seat ( 22 b ). 4 . 4. The breathing device with humidification function according to claim 1, wherein a displacement sensor is installed between the atomizing device (33) and the housing (34) for monitoring the floating body The distance of the unit (32) relative to the top of the housing (34). 5 . The breathing apparatus with humidification function according to claim 1 , wherein a return hole ( 33 e ) is provided at the bottom of the transition cavity ( 33 b ). 6 . 6 . The breathing apparatus with humidification function according to claim 1 , wherein the top of the casing ( 34 ) is a smooth vertebral body structure, and the connecting pipe ( 35 ) is connected to the vertebral body structure. 7 . top connection. 7 . The breathing apparatus with humidification function according to claim 1 , wherein the outer periphery of the secondary venturi pipeline ( 33 c ) is a cylindrical structure provided with an external thread, and the cylindrical structure is configured with an external thread. 8 . The threaded holes on the end face are threadedly connected. 8 . The breathing apparatus with humidification function according to claim 3 , wherein the heating unit ( 22 c ) is a heating sheet attached to the periphery of the air outlet pipe ( 21 ). 9 .

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