A purifying and humidifying mechanism and a breathing machine

Abstract

The present application relates to the technical field of breathing machine, specifically to a kind of purification humidification mechanism and breathing machine, including warming base and humidification tank, humidification tank includes jar body and cover, cover has air inlet and air outlet, the inside of jar body is equipped with reducing cylinder, reducing cylinder is upper and lower through cylinder, the outer surface of reducing cylinder is equipped with elastic covering layer, elastic covering layer is annular, its inner ring is connected with the outer surface of reducing cylinder, its outer ring is connected with the inner surface of jar body.The present application is by setting up reducing cylinder and elastic covering layer structure inside jar body, when the diameter of reducing cylinder changes, the liquid level area in jar body will also change accordingly, so as to flexibly change the humidification degree of gas, to adapt to the needs of more patients.

Description

Technical Field

[0001] This invention relates to the field of ventilator technology, specifically to a purification and humidification mechanism and a ventilator. Background Technology

[0002] When a ventilator is in operation, it first inhales both external air and oxygen. The two gases are then mixed evenly through an internal structure. The mixed gas then needs to be processed by a purification and humidification mechanism to increase air humidity and remove impurities before finally being delivered to the patient's mouth and nose through the breathing tubing and mask.

[0003] In existing ventilator purification and humidification mechanisms, the humidification function mainly consists of a heating base and a humidification tank, which together heat and humidify the mixed gas. The heating base heats the humidification tank, which contains purified or distilled water. Its top has an inlet and an outlet connected to the ventilator's airway. The mixed gas enters the humidification tank through the inlet, comes into full contact with the water vapor generated by heating, and after heating and humidification, it is discharged from the outlet into the subsequent delivery pipeline.

[0004] However, in clinical applications, different patients have different respiratory conditions and varying needs for humidification levels. For example, patients with dry airways and thick sputum require higher humidity to relieve discomfort and promote sputum expectoration; while some patients with sensitive airways or fluid accumulation require lower humidity to avoid further burdening their respiratory system. Existing humidifiers are mostly fixed structures, and their internal liquid surface area cannot be adjusted according to patient needs. Since the degree of humidification is directly related to the liquid surface area, existing humidification mechanisms cannot flexibly adjust the gas humidification level, making it difficult to match the usage needs of different patients and affecting the clinical effectiveness of ventilators. Therefore, we propose a purified humidification mechanism and ventilator to effectively address these shortcomings. Summary of the Invention

[0005] The purpose of this invention is to provide a purification and humidification mechanism and a ventilator to solve the problems mentioned in the background art.

[0006] The present invention is achieved through the following technical solution: a purification and humidification mechanism, including a heating base and a humidification tank, the humidification tank including a tank body and a cover body, the cover body having an air inlet and an air outlet, the tank body having a variable diameter cylinder inside, the variable diameter cylinder being a cylindrical shape that runs vertically through, the outer surface of the variable diameter cylinder having an elastic covering layer, the elastic covering layer being annular in shape, its inner ring being connected to the outer surface of the variable diameter cylinder, and its outer ring being connected to the inner surface of the tank body; The tank body is also equipped with a diameter adjustment mechanism on its side wall to control the diameter change of the variable diameter cylinder.

[0007] Optionally, the elastic covering layer is made of rubber, with its inner ring connected to the bottom of the reducing cylinder and its outer ring having a gap with the bottom of the tank. The reducing cylinder includes several arc-shaped liners and an elastic sleeve. The arc-shaped liners have a circular arc cross-section, and the several arc-shaped liners can be combined to form a cylindrical shape. The elastic sleeve is fitted over the outside of the several arc-shaped liners and is connected to the elastic covering layer. The outer surface of the arc-shaped liners and the elastic sleeve are sealed and fixed by adhesive bonding.

[0008] Optionally, the variable diameter adjustment mechanism includes several telescopic components, each corresponding to one of the several arc-shaped liners. Each telescopic component includes an inner rod and an outer sleeve. One end of the inner rod is connected to the corresponding arc-shaped liner, and the other end extends into the outer sleeve. One end of the outer sleeve is connected to the inner surface of the tank, and the inner rod and the outer sleeve slide in cooperation along their length. A threaded screw is threaded through the outer end of the outer sleeve. One end of the threaded screw is threaded to the inner rod, and the other end extends out of the tank and is fitted with a driven gear. The variable diameter adjustment mechanism also includes a rotating ring, which is rotatably fitted around the outside of the tank. An annular cavity is formed on the inner surface of the rotating ring, and an annular gear ring is provided within this cavity. The driven gear meshes with the annular gear ring.

[0009] Optionally, the variable diameter cylinder is equipped with an airflow turbulence assembly. This assembly includes a vertical rod fixed to the center of the inner bottom surface of the tank. A lifting sleeve is movably fitted onto the top of the vertical rod. The outer surface of the lifting sleeve is provided with several turbulence-inducing plates corresponding to the arc-shaped liners. A connecting rod is provided on the inner surface of the arc-shaped liners, and the inner end of the connecting rod is connected to the bottom end of the corresponding turbulence-inducing plate. The turbulence-inducing plates are made of elastic material. The lifting sleeve and the vertical rod are helically engaged. When the arc-shaped liners move outward, the lifting sleeve moves downward in a helical twist, causing the turbulence-inducing plates to be spirally twisted.

[0010] Optionally, the variable diameter cylinder is provided with an air turbulence assembly, which includes several turbulence vanes, with each vane and arc-shaped liner corresponding to one another. The vanes and the corresponding arc-shaped liners are fixedly connected by a connecting rod. The vanes are arranged in a vertically elongated shape, and several vanes can be combined to form a square tube shape.

[0011] The present invention also proposes a ventilator, including the above-mentioned purification and humidification mechanism, characterized in that: the ventilator includes a body, a display screen, a robotic arm, a breathing tube and a breathing mask, and the heating base of the purification and humidification mechanism is detachably installed on the body.

[0012] Compared with the prior art, the present invention provides a purification and humidification mechanism and a ventilator, which have the following beneficial effects: 1. This invention incorporates a variable-diameter cylinder and an elastic covering layer structure inside the tank. When the diameter of the variable-diameter cylinder changes, the liquid surface area inside the tank also changes accordingly, thereby flexibly altering the degree of gas humidification to meet the needs of more patients. 2. The present invention also provides an air turbulence component inside the tank. When the diameter of the variable diameter cylinder increases, the air turbulence component will also expand accordingly, thereby increasing the disturbance to the gas, increasing the turbulence and residence time of the gas on the water surface, and further enhancing the degree of humidification. 3. This invention provides a diameter adjustment mechanism on the tank body, which allows the diameter of the variable diameter cylinder to be controlled by manually rotating the rotating ring. The operation is simple and convenient. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the purification and humidification mechanism of the present invention; Figure 2 This is a cross-sectional view of the humidification tank of the present invention in its first state; Figure 3 This is a cross-sectional view of the humidification tank of the present invention in a second state; Figure 4 This is a schematic diagram of the variable diameter cylinder structure of the present invention; Figure 5 This is a schematic diagram of the rotating ring structure of the present invention; Figure 6 for Figure 2 Enlarged view of point A in the middle; Figure 7 This is a cross-sectional view of the humidification tank structure in Embodiment 3 of the present invention; Figure 8 This is a front view of the ventilator structure of the present invention; Figure 9 This is a side view of the ventilator structure of the present invention.

[0014] In the diagram: 100, Heating base; 200, Humidification tank; 201, Tank body; 202, Cover; 203, Elastic covering layer; 300, Variable diameter cylinder; 301, Arc-shaped liner; 302, Elastic sleeve; 400, Variable diameter adjustment mechanism; 401, Telescopic assembly; 4011, Inner rod; 4012, Outer sheath; 402, Threaded screw; 403, Driven gear; 404, Rotating ring; 405, Ring gear; 500, Air turbulence assembly; 501, Vertical rod; 502, Lifting sleeve; 503, Baffle; 504, Connecting rod; 600, Body; 601, Display screen; 700, Robotic arm; 800, Breathing tubing; 801, Breathing mask. Detailed Implementation

[0015] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0016] Current humidification mechanisms in ventilators include a heating base and a humidification tank. The heating base heats the water in the humidification tank. Higher water temperatures increase evaporation efficiency, resulting in greater humidification when air flows through the tank. Currently, when adjusting gas humidification, medical staff manually adjust the heating setting on the heating base to regulate the water temperature. For example, to increase humidification, the water temperature is increased; higher temperatures naturally lead to faster evaporation and thus higher relative humidity in the output gas.

[0017] The drawback of this method is that water temperature and humidity are interdependent; increasing humidity will correspondingly raise the gas temperature. The respiratory mucosa is very delicate, with an optimal temperature of around 37°C. If the inhaled gas temperature consistently exceeds 41°C, it will directly cause thermal damage, harming the patient. Therefore, to flexibly adjust the degree of gas humidification without altering the air temperature, this invention proposes the following technical solution.

[0018] Example 1: Please refer to Figure 1 - Figure 6 This application proposes a purification and humidification mechanism, including a heating base 100 and a humidification tank 200. The heating base 100 has a built-in heating element, and the top of the heating base has a notch to accommodate the humidification tank 200. The humidification tank 200 includes a tank body 201 and a cover 202. The bottom wall of the tank body 201 has a heat-conducting element that is in contact with the heating element for heating. The peripheral wall of the tank body 201 is made of glass. The cover 202 has an air inlet and an air outlet, which are respectively connected to an air inlet pipe and an air outlet pipe. When air enters through the air inlet and exits through the air outlet, the air passes over the liquid surface and naturally carries away some water vapor, thereby achieving the effect of humidifying the air.

[0019] Furthermore, the tank body 201 is provided with a reducing cylinder 300 inside. The reducing cylinder 300 is a cylindrical shape that runs vertically through the tank. The outer surface of the reducing cylinder 300 is provided with an elastic covering layer 203. The elastic covering layer 203 is annular in shape, with its inner ring connected to the outer surface of the reducing cylinder 300 and its outer ring connected to the inner surface of the tank body 201. The reducing cylinder 300 includes several arc-shaped liner plates 301 and an elastic sleeve 302. The cross-section of the arc-shaped liner plates 301 is arc-shaped, and the several arc-shaped liner plates 301 can be combined to form a cylindrical shape. The elastic sleeve 302 is fitted on the outer side of the several arc-shaped liner plates 301. The outer surface of the arc-shaped liner plates 301 and the elastic sleeve 302 are sealed and fixed by adhesive bonding. Specifically, the arc-shaped liner 301 is made of plastic, and its height direction is consistent with that of the tank body 201. When several arc-shaped liners 301 are completely closed, the diameter of the resulting cylinder is approximately 1 / 3 to 1 / 4 of the diameter of the tank body 201. The elastic sleeve 302 is made of rubber, and it can automatically open when the arc-shaped liners 301 are separated. Therefore, it should be noted that the cross-section of the reducing cylinder 300 is not a standard circle, but rather a near-circular shape.

[0020] It should be noted that the elastic covering layer 203 is made of rubber. Its inner ring is connected to the bottom of the reducing cylinder 300, and its outer ring has a gap with the bottom of the tank 201. Specifically, the inner ring of the elastic covering layer 203 is connected to the elastic sleeve 302. Of course, the elastic covering layer 203 and the elastic sleeve 302 can also be integrally molded, with the outer ring of the elastic covering layer 203 bonded to the inner surface of the tank 201. The elastic covering layer 203, the elastic sleeve 302, and the bottom and side walls of the tank together form a new container. When water is poured into this new container, the liquid level is also located inside the reducing cylinder 300; therefore, when the diameter of the reducing cylinder 300 changes, the liquid level will change accordingly.

[0021] A diameter adjustment mechanism 400 is also provided on the side wall of the tank body 201 to control the diameter change of the variable diameter cylinder 300. The diameter adjustment mechanism 400 includes several telescopic components 401, which correspond one-to-one with several arc-shaped liners 301. Each telescopic component 401 includes an inner rod 4011 and an outer sheath 4012. One end of the inner rod 4011 is connected to the corresponding arc-shaped liner 301, and the other end extends into the outer sheath 4012. One end of the outer sheath 4012 is connected to the inner surface of the tank body 201, and the inner rod 4011 and the outer sheath 4012 slide along their own length. Specifically, both the inner rod 4011 and the outer sleeve 4012 have square cross-sections. Therefore, the inner rod 4011 can only slide along its own length and cannot rotate. When the inner rod 4011 slides inside the outer sleeve 1, the arc-shaped liner 301 can move closer to or further away from the center of the tank 201. It is worth noting that when the telescopic assembly 401 is extended to its maximum length, the arc-shaped liner 301 is closest to the center, and there are gaps between several arc-shaped liners 301, such as... Figure 2 As shown.

[0022] As one embodiment and not a limitation, the outer end of the outer sheath 4012 is provided with a threaded screw 402. One end of the threaded screw 402 is threadedly connected to the inner rod body 4011, and the other end extends out of the outer side of the tank body 201 and is fitted with a driven gear 403. The variable diameter adjustment mechanism 400 also includes a rotating ring 404, which is rotatably sleeved on the outside of the tank body 201. An annular cavity is formed on its inner surface, and an annular gear ring 405 is provided in the annular cavity. The driven gear 403 meshes with the annular gear ring 405. The threaded screw 402 and the outer end of the outer sheath 4012 are rotatably connected, specifically through a bearing rotational engagement. The end of the inner rod body 4011 has a threaded hole, and the threaded screw 402 is threadedly engaged with the threaded hole. The outer peripheral wall of the tank body 201 has an assembly ring, and the rotating ring 404 is rotatably connected in the assembly ring. When the rotating ring 404 rotates, it drives the threaded screw 402 to rotate under the action of the annular toothed ring 405, thereby causing the telescopic component 401 to extend or shorten.

[0023] In summary, in practical applications, when it is necessary to adjust the degree of gas humidification, the rotating ring 404 can be manually rotated to adjust the diameter of the variable diameter cylinder 300. When its diameter increases, the liquid level also increases accordingly, which helps to increase the degree of gas humidification; conversely, when the liquid surface area decreases, it helps to reduce the degree of gas humidification. It should be noted that the tank body 201 and the cover 202 are made of transparent material, allowing the user to see the changes in the internal water level. When the liquid level is lower than that of the variable diameter cylinder 300, water needs to be added in time to ensure that the water level is always inside the variable diameter cylinder 300.

[0024] Example 2: Please refer to Figure 1 - Figure 6This application proposes a purification and humidification mechanism. The difference between this embodiment and Embodiment 1 is that: The variable diameter cylinder 300 is equipped with an air turbulence component 500. The air turbulence component 500 includes a vertical rod 501. A lifting sleeve 502 is movably sleeved on the top of the vertical rod 501. The outer surface of the lifting sleeve 502 is provided with a plurality of turbulence plates 503 that correspond one-to-one with the arc-shaped liner 301. The inner surface of the arc-shaped liner 301 is provided with a connecting rod 504. The inner end of the connecting rod 504 is connected to the bottom end of the corresponding turbulence plate 503.

[0025] The baffle 503 is made of elastic material. The lifting sleeve 502 and the vertical rod 501 are screwed together. When the arc-shaped liner 301 moves outward, the lifting sleeve 502 moves downward in a spiral motion, causing the baffle 503 to twist in a spiral shape. The bottom end of the vertical rod 501 is fixedly connected to the center of the inner bottom surface of the tank 201. The lifting sleeve 502 is a short circular tube with protrusions on its inner surface. The top outer surface of the vertical rod 501 has a spiral groove, and the protrusions are embedded in the spiral grooves. Therefore, when the lifting sleeve 502 moves vertically, it can also rotate around its own central axis. The baffle 503 is made of a tough material, such as a thin rubber sheet. When the lifting sleeve 502 moves in a spiral motion along the axial direction, it can cause the baffle 503 to deform into a twisted shape.

[0026] In summary, in practical applications, when several arc-shaped lining plates 301 are positioned closest to the center of the tank body 201, as shown in the above embodiment... Figure 2 As shown, if the disturbance vane 503 is in a relatively closed state at this time, the disturbance to the gas is minimal. When the diameter of the variable diameter cylinder 300 increases, as... Figure 3 As shown, if the turbulence deflector 503 is unfolded and twisted, when gas enters the tank 201, the turbulence deflector 503 can increase the disturbance to the gas, increase the turbulence and residence time of the gas on the water surface, and further enhance the humidification. In other words, the turbulence deflector 503 is designed to increase the humidification effect by fully enhancing the turbulence of the gas when the liquid surface area is limited.

[0027] Example 3: Please refer to Figure 7 This application proposes a purification and humidification mechanism. The difference between this embodiment and Embodiment 2 is that: The variable diameter cylinder 300 is internally equipped with an air turbulence assembly 500, which includes several turbulence vanes 503. Each turbulence vane 503 corresponds to a plurality of arc-shaped liners 301, and the vanes 503 and their corresponding arc-shaped liners 301 are fixedly connected by a connecting rod 504. The turbulence vanes 503 are vertically arranged elongated strips, and can be combined to form a square tube shape. The turbulence vanes 503 are elongated strip structures, and their material can be rigid plastic. The two ends of the connecting rod 504 are fixedly connected to the arc-shaped liners 301 and the turbulence vanes 503, respectively. When the arc-shaped liners 301 separate, the turbulence vanes 503 also separate accordingly to enhance air turbulence.

[0028] The baffle plate 503 in this embodiment has the same function as the baffle plate 503 in embodiment two: in the closed state, it reduces air disturbance; in the unfolded state, it increases air disturbance to enhance humidification.

[0029] Example 4: Please refer to Figure 8 and Figure 9 This application provides a ventilator, including the purification and humidification mechanism in any of the above embodiments. The ventilator includes a body 600, a display screen 601, a robotic arm 700, a breathing tube 800, and a breathing mask 801. The heating base 100 of the purification and humidification mechanism is detachably installed on the body 600.

[0030] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes the element.

[0031] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A purification and humidification mechanism, comprising a heating base (100) and a humidification tank (200), characterized in that: The humidification tank (200) includes a tank body (201) and a cover (202). The cover (202) has an air inlet and an air outlet. The tank body (201) has a variable diameter cylinder (300) inside. The variable diameter cylinder (300) is a cylindrical shape that runs vertically through the tank. The outer surface of the variable diameter cylinder (300) is provided with an elastic covering layer (203). The elastic covering layer (203) is annular in shape. Its inner ring is connected to the outer surface of the variable diameter cylinder (300), and its outer ring is connected to the inner surface of the tank body (201). The tank (201) is also provided with a diameter adjustment mechanism (400) on its side wall, which is used to control the diameter change of the variable diameter cylinder (300).

2. The purification and humidification mechanism according to claim 1, characterized in that: The elastic covering layer (203) is made of rubber. Its inner ring is connected to the bottom of the variable diameter cylinder (300), and its outer ring has a gap with the bottom of the tank body (201).

3. The purification and humidification mechanism according to claim 1, characterized in that: The variable diameter cylinder (300) includes several arc-shaped liner plates (301) and an elastic sleeve (302). The arc-shaped liner plates (301) have a circular arc cross-section, and the several arc-shaped liner plates (301) can be combined to form a cylindrical shape. The elastic sleeve (302) is sleeved on the outside of the several arc-shaped liner plates (301), and the elastic sleeve (302) is connected to the elastic covering layer (203).

4. The purification and humidification mechanism according to claim 3, characterized in that: The outer surface of the arc-shaped liner (301) and the elastic sleeve (302) are sealed and fixed by adhesive bonding.

5. The purification and humidification mechanism according to claim 3, characterized in that: The variable diameter adjustment mechanism (400) includes a plurality of telescopic components (401), and the plurality of telescopic components (401) and the plurality of arc-shaped liners (301) correspond one to one. The telescopic component (401) includes an inner rod (4011) and an outer sheath (4012). One end of the inner rod (4011) is connected to the corresponding arc-shaped liner (301), and the other end extends into the outer sheath (4012). One end of the outer sheath (4012) is connected to the inner surface of the tank (201), and the inner rod (4011) and the outer sliding sleeve (4012) slide together along their own length direction.

6. The purification and humidification mechanism according to claim 5, characterized in that: The outer end of the outer sheath (4012) is provided with a threaded screw (402). One end of the threaded screw (402) is threadedly connected to the inner rod body (4011), and the other end extends out of the outer side of the tank body (201) and is fitted with a driven gear (403). The variable diameter adjustment mechanism (400) also includes a rotating ring (404), which is rotatably sleeved on the outside of the tank body (201). An annular cavity is provided on its inner surface, and an annular gear ring (405) is provided in the annular cavity. The driven gear (403) meshes with the annular gear ring (405).

7. The purification and humidification mechanism according to claim 3, characterized in that: The variable diameter cylinder (300) is provided with an air turbulence assembly (500). The air turbulence assembly (500) includes a vertical rod (501) fixedly installed at the center of the inner bottom surface of the tank body (201). A lifting sleeve (502) is movably sleeved on the top of the vertical rod (501). The outer surface of the lifting sleeve (502) is provided with a plurality of turbulence plates (503) corresponding one-to-one with the arc-shaped liner (301). The inner surface of the arc-shaped liner (301) is provided with a connecting rod (504). The inner end of the connecting rod (504) is connected to the bottom end of the corresponding turbulence plate (503).

8. The purification and humidification mechanism according to claim 7, characterized in that: The spoiler (503) is made of elastic material. The lifting sleeve (502) and the vertical rod (501) are screwed together. When the arc-shaped liner (301) moves outward, the lifting sleeve (502) moves downward in a spiral motion so that the spoiler (503) is in a spiral twisted shape.

9. A purification and humidification mechanism according to claim 3, characterized in that: The variable diameter cylinder (300) is provided with an air turbulence assembly (500) inside. The air turbulence assembly (500) includes several turbulence vanes (503). Several turbulence vanes (503) and several arc-shaped liners (301) correspond one-to-one. The turbulence vanes (503) and the corresponding arc-shaped liners (301) are fixedly connected by connecting rods (504). The turbulence vanes (503) are arranged in a vertically long strip shape, and several turbulence vanes (503) can be combined with each other to form a square tube shape.

10. A ventilator, comprising the purification and humidification mechanism according to any one of claims 1-9, characterized in that: The ventilator includes a body (600), a display screen (601), a robotic arm (700), a breathing tubing (800), and a breathing mask (801). The heating base (100) of the purification and humidification mechanism is detachably installed on the body (600).

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