Humidifying device, humidifying bottle and humidifying method

Abstract

The invention discloses a humidifying device, a humidifying bottle and a humidifying method. The humidifying device comprises an inner shell and an outer shell. The interior of the inner shell is used for forming an air supply channel, an air delivery port is formed in the bottom of the inner shell, air in the air supply channel flows out through the air delivery port, the outer shell is arranged on the outer side of the inner shell in a sleeving mode, a buffer cavity is formed between the outer shell and the inner shell, a liquid inlet hole is formed in the bottom of the outer shell, and the liquid inlet hole is communicated with the buffer cavity. An air outlet hole is formed in the top of the outer shell; external humidifying liquid enters the buffering cavity from the liquid inlet hole, and gas of the gas conveying opening penetrates through the humidifying liquid of the buffering cavity and then is discharged from the gas outlet hole. According to the humidifying device, the humidifying bottle and the humidifying method, the inner shell and the outer shell which are sleeved inside and outside are included, oxygen is humidified in the outer shell, water spray splashing caused by oxygen airflow is avoided, noise is effectively reduced, and meanwhile safety is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of the structure of oxygen generators, and particularly relates to a humidifying device, a humidifying bottle and a humidifying method. Background Art

[0002] As the most commonly used treatment method that can directly improve hypoxemia, promote tissue metabolism and maintain the life activities of the body, oxygen inhalation therapy has been widely used in clinical and home treatments. However, the medical oxygen prepared by an oxygen generator is extremely dry. If the medical oxygen is directly inhaled, the dry oxygen will stimulate the respiratory tract, causing dry discomfort in the patient's respiratory tract and even some side effects. Therefore, using a humidifying bottle to humidify the medical oxygen has become an essential step in the process of a patient inhaling oxygen.

[0003] Currently, the humidifying bottles sold on the market all use a pipeline to directly conduct oxygen to the lower part of the bottle body of the humidifying bottle. Then, after the oxygen emerges from the pipeline, the oxygen becomes bubbles and floats upward through the humidifying liquid, thereby carrying out the humidifying liquid molecules to achieve the purpose of humidifying oxygen.

[0004] The structure of the existing humidifying bottle is simple. When the humidified oxygen airflow flows out of the liquid surface, it will carry relatively large water droplets, and even cause the phenomenon of water droplet splashing. Moreover, the greater the flow rate of the oxygen airflow, the more obvious the phenomenon of water droplet splashing.

[0005] However, the frequent appearance of water droplets will generate relatively large noise, affecting the surrounding environment. The splashing water droplets are also likely to splash onto the air outlet of the humidifying bottle and then be inhaled into the nasal cavity by the user, causing discomfort to the user and even causing medical accidents in severe cases. Summary of the Invention

[0006] The present invention aims to at least solve one of the technical problems existing in the prior art. For this purpose, the present invention provides a humidifying device, which includes an inner housing and an outer housing that are sleeved inside and outside, enabling oxygen to be humidified inside the outer housing, avoiding water droplet splashing caused by the oxygen airflow, effectively reducing noise, and at the same time, improving safety.

[0007] The present invention also provides a humidifying bottle having the above humidifying device.

[0008] The present invention also provides a humidifying method applying the above humidifying device or the above humidifying bottle.

[0009] According to an embodiment of the first aspect of the present invention, the humidifying device includes an inner housing and an outer housing; The inside of the inner housing is used to form an air supply channel, and an air outlet is provided at the bottom of the inner housing, and the gas in the air supply channel flows out through the air outlet; The outer housing is sleeved outside the inner housing. A buffer cavity is formed between the outer housing and the inner housing. A liquid inlet hole is provided at the bottom of the outer housing, and an air outlet hole is provided at the top of the outer housing. External humidifying liquid enters the buffer cavity from the liquid inlet hole, and the gas at the gas outlet passes through the humidifying liquid in the buffer cavity and is discharged from the air outlet hole.

[0010] The humidifying device according to the embodiment of the present invention has at least the following beneficial effects: In the humidifying device of the present application, an outer housing is provided outside the inner housing, and the outer housing surrounds the inner housing. The humidifying liquid enters the buffer cavity between the outer housing and the inner housing from the liquid inlet hole at the lower part of the outer housing. The oxygen output from the inner housing is humidified inside the buffer cavity, and then is discharged into the humidifying cavity through the air outlet hole at the upper part of the outer housing, and then is output through the air outlet of the upper cover.

[0011] The main function of the outer housing is to limit the process of oxygen overflowing from the liquid surface within the buffer cavity. Since the volume of the buffer cavity is small (the gap between the outer housing and the inner housing), the size of the oxygen gas flow is restricted, greatly reducing the possibility of water splashes. Moreover, through the blockage of the outer housing, the water splashes and noise generated when the oxygen gas flow overflows from the liquid surface can be blocked together, thereby improving safety and reducing noise. A humidifying bottle with the above beneficial effects is also provided in the present invention.

[0012] More specifically, there is less humidifying liquid in the buffer cavity, and the oxygen gas flow can drive less humidifying liquid, resulting in less kinetic energy of the humidifying liquid, fewer water splashes, and less noise.

[0013] At the same time, the driving effect of the oxygen gas flow on the humidifying liquid in the humidifying cavity is small, and the humidifying liquid in the humidifying cavity shakes less, reducing and even eliminating the water splashes and noise generated by the shaking of the humidifying liquid in the humidifying cavity.

[0014] At the same time, the liquid inlet hole and the air outlet hole restrict the transmission of sound, reducing the transmission of sound, so that less sound is transmitted outward with the oxygen gas flow, reducing the discomfort caused by noise to the oxygen inhalation personnel.

[0015] At the same time, the inner surface of the outer housing and the outer surface of the inner housing will have an adhesive effect on the humidifying liquid, and the air outlet hole will restrict the flow of the humidifying liquid, reducing and even avoiding the outward overflow of the columnar humidifying liquid, improving safety.

[0016] A humidifying method with the above beneficial effects is also provided in the present invention.

[0017] In the humidifying device according to the first aspect embodiment of the present invention, the inner housing includes an air duct. The top end of the air duct is open and used for air intake, and the bottom end of the air duct is open and used for forming the gas outlet.

[0018] Beneficial effects: By forming an inner housing for the air guide tube, the present invention can reduce the manufacturing difficulty and cost. At the same time, the humidifying device occupies less space, does not affect the effective volume of the humidifying bottle, and can hold more humidifying liquid.

[0019] For the humidifying device according to the first aspect embodiment of the present invention, the outer housing includes a barrier sleeve, a blocking portion is provided at the bottom of the barrier sleeve, and the air outlet is oriented towards the blocking portion.

[0020] Beneficial effects: By providing a blocking portion at the bottom of the barrier sleeve and orienting the air outlet of the air guide tube towards the blocking portion, the present invention blocks the oxygen output from the air guide tube through the blocking portion. After being blocked, the flow rate of the oxygen output from the air guide tube decreases, and more of it stays in the buffer cavity.

[0021] For the humidifying device according to the first aspect embodiment of the present invention, the liquid inlet hole is provided on the side wall of the barrier sleeve and is close to the blocking portion.

[0022] Beneficial effects: By providing the liquid inlet hole on the side wall of the barrier sleeve and close to the blocking portion, through testing, the lower the position of the liquid inlet hole (i.e., the closer it is to the bottom of the barrier sleeve), the better the effect. First, it can ensure that when the liquid level in the humidifying cavity is low, the humidifying liquid can still enter the buffer cavity through the liquid inlet hole. Then, the lower the position of the liquid inlet hole, the less the oxygen output from the air guide tube overflows through the liquid inlet hole, thus enabling the barrier sleeve to better play its role.

[0023] For the humidifying device according to the first aspect embodiment of the present invention, the liquid inlet hole is provided on the blocking portion.

[0024] Beneficial effects: By providing the liquid inlet hole on the blocking portion, it is consistent with the principle of setting the liquid inlet hole close to the blocking portion above. Further, the liquid inlet hole avoids the position directly opposite to the air outlet of the air guide tube, thereby effectively reducing the amount of oxygen output from the air guide tube that overflows through the liquid inlet hole.

[0025] For the humidifying device according to the first aspect embodiment of the present invention, the total area of the air outlet holes is more than 3 times the total area of the liquid inlet holes.

[0026] Beneficial effects: By making the number of air outlet holes greater than the number of liquid inlet holes and the aperture of the air outlet holes greater than the aperture of the liquid inlet holes, the total area of the air outlet holes is ensured to be more than 3 times that of the liquid inlet holes, so that all or most of the oxygen overflows through the air outlet holes.

[0027] For the humidifying device according to the first aspect embodiment of the present invention, 1 to 6 liquid inlet holes are provided, and the aperture of each liquid inlet hole is 0.5 - 0.8 mm.

[0028] Beneficial effects: In the present application, the number and aperture of the liquid inlet holes are relatively small, ensuring that the total area of the liquid inlet holes is small, thereby avoiding oxygen from overflowing from the liquid inlet holes or reducing the amount of oxygen overflowing from the liquid inlet holes.

[0029] For the humidifying device according to the first aspect embodiment of the present invention, there are more than 10 air outlet holes provided, and the aperture of each air outlet hole is 1 mm or more.

[0030] Beneficial effects: In the present application, the number and aperture of the liquid inlet holes are relatively small, ensuring that the total area of the liquid inlet holes is small, thereby avoiding oxygen from overflowing from the liquid inlet holes or reducing the amount of oxygen overflowing from the liquid inlet holes.

[0031] For the humidifying device according to the first aspect embodiment of the present invention, the inner housing is made of a food-grade flexible material.

[0032] Beneficial effects: By making the inner housing made of a food-grade material, the present invention can meet the usage requirements of medical devices. Further, the inner housing is made of food-grade silica gel.

[0033] For the humidifying device according to the first aspect embodiment of the present invention, the outer housing is made of a food-grade material.

[0034] Beneficial effects: By making the outer housing made of a food-grade material, the present invention can meet the usage requirements of medical devices. Further, the outer housing is made of food-grade silica gel.

[0035] For the humidifying device according to the first aspect embodiment of the present invention, the wall thickness of the inner housing is 1.2 - 1.8 mm.

[0036] Beneficial effects: By limiting the wall thickness of the inner housing to 1.2 - 1.8 mm, the present invention not only meets the airflow requirement but also has a moderate wall thickness, reduces the occupied space, and miniaturizes the humidifying device.

[0037] For the humidifying device according to the first aspect embodiment of the present invention, the humidifying device includes a quick connector. The upper end portion of the inner housing is sleeved on the quick connector, and the inner housing is connected and fixed to the quick connector by interference fit. A bulged first protrusion is formed at the connection portion between the inner housing and the quick connector.

[0038] Beneficial effects: Since the inner housing is made of a flexible material, the inner housing and the quick connector can be connected by interference fit, simplifying the structure and reducing the cost.

[0039] For the humidifying device according to the first aspect embodiment of the present invention, the upper end portion of the outer housing is sleeved on the first protrusion, and the outer housing is connected and fixed to the first protrusion by interference fit.

[0040] Beneficial effects: Since the inner shell is made of a flexible material, the outer shell and the inner shell can also be connected by an interference fit method, further simplifying the structure.

[0041] The humidifying bottle according to the second aspect embodiment of the present invention includes a bottle body and an upper cover covering the bottle body. A humidifying chamber is formed between the bottle body and the upper cover. The humidifying chamber is provided with the humidifying device described in any one of the above, and the humidifying device is installed on the upper cover.

[0042] Beneficial effects: The humidifying device of the present application is provided with an outer shell outside the inner shell. The outer shell surrounds the inner shell. The humidifying liquid enters the buffer chamber between the outer shell and the inner shell through the liquid inlet hole at the lower part of the outer shell. The oxygen output from the inner shell is humidified inside the buffer chamber, and then discharged into the humidifying chamber through the air outlet hole at the upper part of the outer shell, and then output through the air outlet of the upper cover.

[0043] The setting of the outer shell mainly limits the process of oxygen overflowing from the liquid surface in the buffer chamber. Since the volume of the buffer chamber is small (the gap between the outer shell and the inner shell), the size of the oxygen gas flow is restricted, greatly reducing the possibility of water splashes. Moreover, through the blocking of the outer shell, the water splashes and noise generated when the oxygen gas flow overflows from the liquid surface can be blocked together, thereby improving safety and reducing noise. A humidifying bottle is also provided in the present invention, which has the above beneficial effects.

[0044] More specifically, there is less humidifying liquid in the buffer chamber, and the oxygen gas flow can drive less humidifying liquid, so that the kinetic energy of the humidifying liquid is less, there are fewer water splashes, and there is less noise.

[0045] At the same time, the driving effect of the oxygen gas flow on the humidifying liquid in the humidifying chamber is small, the humidifying liquid in the humidifying chamber shakes less, reducing and even eliminating the water splashes and noise generated by the shaking of the humidifying liquid in the humidifying chamber.

[0046] At the same time, the liquid inlet hole and the air outlet hole restrict the transmission of sound, reducing the transmission of sound, so that less sound is transmitted outwards with the oxygen gas flow, reducing the discomfort caused by noise to the oxygen inhalation personnel.

[0047] At the same time, the inner surface of the outer shell and the outer surface of the inner shell will have an adhesion effect on the humidifying liquid, and the air outlet hole will restrict the flow of the humidifying liquid, reducing and even avoiding the outward overflow of the columnar humidifying liquid, improving safety.

[0048] In the humidifying bottle according to the second aspect embodiment of the present invention, an airtight structure is provided between the bottle body and the upper cover to prevent the humidified oxygen from leaking.

[0049] The humidifying bottle according to the embodiment of the second aspect of the present invention is provided with an overpressure protection valve on the upper cover. When the air pressure inside the humidifying bottle is too high, the oxygen inside will push open the overpressure protection valve and release a part of the oxygen, thereby stabilizing the air pressure inside the humidifying bottle and improving the safety of the humidifying bottle.

[0050] The humidifying bottle according to the embodiment of the second aspect of the present invention is provided with a pipe locking assembly at the air inlet. Through the pipe locking assembly, the air inlet of the humidifying bottle can be easily docked and locked onto the pipe fitting of the oxygen generator, and the disassembly and assembly are very convenient, improving the assembly efficiency.

[0051] The pipe locking assembly of the humidifying bottle according to the embodiment of the second aspect of the present invention includes a sheath provided on the upper cover. The sheath is sleeved at the air inlet. An opening corresponding to the air inlet is provided on the sheath. A locking unit is arranged between the sheath and the air inlet. The locking unit includes a buckle ring provided at the air inlet and an elastic part provided at the rear of the air inlet. An unlocking member is provided on the sheath.

[0052] Beneficial effects: When connecting the humidifying bottle to the pipe fitting of the oxygen generator, insert the air inlet of the humidifying bottle directly opposite to the pipe fitting of the oxygen generator. The pipe fitting of the oxygen generator presses the buckle ring at the air inlet, and the buckle ring opens, enabling the pipe fitting of the oxygen generator to be smoothly inserted into the air inlet of the humidifying bottle. After the pipe fitting of the oxygen generator is inserted, the buckle ring rebounds under the elastic action of the elastic part, and the buckle ring buckles the card slot on the pipe fitting of the oxygen generator to complete the assembly and locking; when it is necessary to take out the humidifying bottle, press the unlocking member, and the unlocking member presses the buckle ring, causing the buckle ring to open against the elastic force of the elastic part, releasing the lock on the pipe fitting of the oxygen generator, and enabling the humidifying bottle to be smoothly pulled out.

[0053] The humidifying method according to the embodiment of the third aspect of the present invention is applied to the above-mentioned humidifying bottle. The humidifying method includes: The liquid immersion step: Inject humidifying liquid into the humidifying chamber, making the liquid level in the humidifying chamber higher than the liquid inlet hole and lower than the air outlet hole. Install the upper cover with the humidifying device on the bottle body, so that the liquid inlet hole of the humidifying device is immersed in the humidifying liquid. The humidifying liquid in the humidifying chamber enters the buffer chamber through the liquid inlet hole, and the liquid level in the buffer chamber is higher than the gas outlet and lower than the air outlet hole; The humidifying step: Oxygen enters the humidifying device through the upper cover, the oxygen enters the interior of the inner housing, the oxygen flows out from the gas outlet and enters the humidifying liquid in the buffer chamber, the oxygen separates from the buffer chamber, the oxygen flows out from the air outlet hole, and the oxygen flows through the upper cover to the outside of the humidifier.

[0054] Beneficial effects: By forming a buffer cavity between the inner shell and the outer shell, the humidification process of the oxygen gas flow is completed in the buffer cavity in the present invention. Thus, it replaces the humidification method where the oxygen gas flow is humidified in the humidification cavity, avoiding driving all the humidifying liquid to move, reducing water splashes and noise, improving the comfort of use. At the same time, it also prevents the strip-shaped humidifying liquid from being carried out, improving safety.

[0055] Additional aspects and advantages of the present invention will be given in part in the following description, become apparent in part from the following description, or be learned through the practice of the present invention. Brief Description of the Drawings

[0056] In order to more clearly illustrate the technical solutions of the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0057] Figure 1 is a schematic structural diagram of the humidifying bottle provided by the present application; Figure 2 is Figure 1 a cross-sectional view of the humidifying bottle in Figure 3 is a schematic installation structure diagram of the upper cover, the air duct and the barrier sleeve; Figure 4 is a schematic structural diagram of the barrier sleeve; Figure 5 is an exploded schematic diagram of the tube locking assembly; Figure 6 is applied to Figure 1 a process flow chart of the humidifying method for the humidifying bottle.

[0058] Explanation of the reference numerals in the drawings: Bottle body 100; Humidification cavity 101; Upper cover 200; Air inlet 210; Air outlet 220; Quick connector 230; Tube locking assembly 240; Sheath 241; Locking unit 242; Buckle 2421; Elastic part 2422; Unlocking part 243; Air duct 300; First convex part 310; Barrier sleeve 400; Blocking part 401; Buffer cavity 410; Liquid inlet hole 420; Air outlet hole 430. Detailed Embodiments

[0059] The following will describe in detail the embodiments of the present invention. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present invention and should not be construed as a limitation of the present invention.

[0060] In the description of the present invention, it should be understood that for the orientation description, such as the orientation or positional relationship indicated by up, down, front, back, left, right, etc., it is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present invention.

[0061] In the description of the present invention, the meaning of "several" is one or more, the meaning of "multiple" is more than two, and understandings such as "greater than", "less than", "exceeding", etc. do not include the present number, and understandings such as "above", "below", "within", etc. include the present number. If there is a description of "first" and "second", this is only used to distinguish technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.

[0062] In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "installed", "connected" and "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0063] The following describes a humidifying device, a humidifying bottle and a humidifying method according to an embodiment of the present invention with reference to the drawings.

[0064] Refer to Figures 1 to 5 , the present invention aims to provide an embodiment of a humidifying bottle, and the humidifying device may include a humidifying device. Therefore, the present invention also aims to provide an embodiment of a humidifying device, and the humidifying device is installed or applied to a humidifying bottle, a humidifier, etc.

[0065] For the humidifying device, the humidifying device mainly includes an inner housing and an outer housing. The forms of the inner housing and the outer housing are diverse and can be three-dimensional structures such as tubular, spherical, box-shaped cuboid, cube, etc.

[0066] In some specific embodiments of the present invention, the inner housing may include an air guide tube 300, and the outer housing may include a barrier sleeve 400 to simplify the structure and facilitate manufacturing and arrangement.

[0067] In Figures 1 to 5 , the humidifying bottle of the present invention is exemplified by the case where the inner housing of the humidifying device includes an air guide tube 300 and the outer housing includes a barrier sleeve 400.

[0068] Refer to Figure 1 and Figure 2, this application provides an embodiment of a humidifying bottle, including a bottle body 100 and an upper cover 200. A humidifying cavity 101 for accommodating humidifying liquid is arranged inside the bottle body 100, and the upper cover 200 is combined with the bottle body 100 to seal the humidifying cavity 101. Among them, the upper cover 200 and the bottle body 100 can be combined and fixed by means such as threaded connection, snap connection, and bolt connection. Preferably, an airtight structure is arranged between the bottle body 100 and the upper cover 200. In this embodiment, the airtight structure includes an annular rib position arranged on the inner side of the upper cover 200. When the upper cover 200 is combined onto the bottle body 100, the upper part of the bottle body 100 squeezes the annular rib position to form an airtight structure, avoiding leakage of humidified oxygen.

[0069] Refer to Figure 1 , Figure 2 and Figure 5 , an air inlet 210 and an air outlet 220 are arranged on the upper cover 200. The air inlet 210 is used to dock with the pipe fittings of an oxygen generator, and the air outlet 220 is used to connect an oxygen supply pipeline to a nasal cannula and a breathing mask. Among them, the air outlet 220 is communicated with the humidifying cavity 101, and a quick connector 230 communicated with the air inlet 210 is arranged at the lower part of the upper cover 200. After the upper cover 200 is combined with the bottle body 100, the quick connector 230 is located inside the humidifying cavity 101.

[0070] Refer to Figure 2 and Figure 3 , a trachea 300 is arranged inside the humidifying cavity 101. The trachea 300 is a short tube made of food-grade flexible material, which can withstand a certain degree of deformation. The wall thickness of the trachea 300 is generally in the range of 1.2 - 1.8 mm. In this embodiment, the trachea 300 is preferably made of food-grade silica gel with a wall thickness of 1.5 mm. One end of the trachea 300 is sleeved onto the quick connector 230. Since the inner diameter of the trachea 300 is smaller than the outer diameter of the quick connector 230, the trachea 300 is connected and fixed to the quick connector 230 by an interference fit. After adding the wall thickness of the trachea 300, a bulging first protrusion 310 is formed at the connection between the trachea 300 and the quick connector 230. The other end of the trachea 300 is an air inlet immersed in the humidifying liquid. The trachea 300 is used to transport the oxygen input from the air inlet 210 into the humidifying liquid, thereby liquefying the oxygen.

[0071] Refer to Figures 2 to 4, a barrier sleeve 400 is sleeved on the outer periphery of the air duct 300. The barrier sleeve 400 is also made of food-grade material and can meet the use requirements of medical devices. The barrier sleeve 400 surrounds the air duct 300, and a buffer cavity 410 is formed by the gap between the barrier sleeve 400 and the air duct 300. A blocking portion 401 is provided at the bottom of the barrier sleeve 400, and the air outlet of the air duct 300 faces the blocking portion 401. The oxygen output from the air duct 300 is blocked by the blocking portion 401, and the flow rate of the oxygen output from the air duct 300 decreases after being blocked, and more stays in the buffer cavity 410. Preferably, the distance between the side wall of the barrier sleeve 400 and the side wall of the air duct 300 is not greater than 10 mm, so that the buffer cavity 410 maintains a small volume, thereby restricting the size of the oxygen gas flow passing through the buffer cavity 410 and greatly reducing the possibility of water splashes. A liquid inlet hole 420 that dips into the humidifying liquid is provided at the lower part of the barrier sleeve 400. As Figure 2 shown, the humidifying liquid enters the buffer cavity 410 through the liquid inlet hole 420. A plurality of air outlet holes 430 are provided at the upper part of the barrier sleeve 400. As Figure 2 shown, the positions of the air outlet holes 430 are higher than the liquid level of the humidifying liquid, so that after the oxygen overflows the liquid level inside the buffer cavity 410, it is discharged into the humidifying cavity 101 through the air outlet holes 430.

[0072] Furthermore, in this application, the total area of the air outlet holes 430 is more than 3 times the total area of the liquid inlet holes 420, so that all or most of the oxygen overflows through the air outlet holes 430. It should be noted that after all or most of the oxygen overflows through the air outlet holes 430, it is possible to prevent oxygen from overflowing from the liquid inlet holes 420 or greatly reduce the amount of oxygen overflowing from the liquid inlet holes 420. The effects of a large amount of oxygen overflowing from the liquid inlet holes 420 and a small amount of oxygen overflowing from the liquid inlet holes 420 are different, because the oxygen overflowing from the liquid inlet holes 420 will enter the humidifying cavity 101 earlier and overflow the liquid level in the humidifying cavity 101. If a large amount of oxygen overflows from the liquid inlet holes 420, a large air flow is likely to generate water splashes, resulting in the safety problems and noise in the background technology; while when a small amount of oxygen overflows from the liquid inlet holes 420, the air flow is small and it is not easy to generate water splashes, thereby improving safety and reducing noise. Specifically, 1 to 6 liquid inlet holes 420 can be provided, and the aperture of each liquid inlet hole 420 is 0.5 - 0.8 mm; more than 10 air outlet holes 430 can be provided, and the aperture of each air outlet hole 430 is more than 1 mm. Refer to Figures 2 to 4, in this embodiment, there are 4 liquid inlet holes 420 provided on the barrier sleeve 400, and the aperture of each liquid inlet hole 420 is 0.5 mm; in addition, there are 12 air outlet holes 430 provided on the barrier sleeve 400 of this embodiment, and the aperture of each air outlet hole 430 is 1.2 mm. It should be noted that by restricting the number and aperture of the liquid inlet holes 420 to relatively small values, it is ensured that the total area of the liquid inlet holes 420 is relatively small, thereby preventing oxygen from overflowing from the liquid inlet holes 420 or reducing the amount of oxygen overflowing from the liquid inlet holes 420; and the number of air outlet holes 430 is greater than the number of liquid inlet holes 420, and the aperture of the air outlet holes 430 is greater than the aperture of the liquid inlet holes 420, so as to ensure that the total area of the air outlet holes 430 is more than 3 times that of the liquid inlet holes 420, enabling all or most of the oxygen to overflow through the air outlet holes 430 and restricting the process of oxygen overflowing from the liquid surface within the buffer cavity 410.

[0073] Further, referring to Figure 2 and Figure 3 , in this embodiment, the liquid inlet holes 420 are provided on the side wall of the barrier sleeve 400 and the liquid inlet holes 420 are arranged close to the blocking portion 401. After testing, the lower the position of the liquid inlet holes 420 (i.e., the closer the position is to the bottom of the barrier sleeve 400), the better the effect. First, it can ensure that when the liquid level in the humidifying cavity 101 is relatively low, the humidifying liquid can still enter the buffer cavity 410 through the liquid inlet holes 420. Then, the lower the position of the liquid inlet holes 420, the less the amount of oxygen overflowing from the liquid inlet holes 420 through which the oxygen output from the air duct 300, so that the barrier sleeve 400 can better play its role. It is easy to think that in other embodiments, the liquid inlet holes 420 can also be provided on the blocking portion 401 (avoiding the position directly opposite to the air outlet of the air duct 300).

[0074] Further, as Figure 2 and Figure 3 shown, in this embodiment, the upper end portion of the barrier sleeve 400 is sleeved on the first convex portion 310, and the inner diameter of the barrier sleeve 400 is smaller than the outer diameter of the first convex portion 310, so that the barrier sleeve 400 squeezes the tube wall (flexible material) of the air duct 300 at the first convex portion 310. Finally, the barrier sleeve 400 is connected and fixed to the first convex portion 310 by interference fit. The barrier sleeve 400 is connected and fixed to the first convex portion 310 by interference fit, simplifying the structure of the humidifying bottle and reducing the cost.

[0075] Further, an overpressure protection valve (not shown in the figure) is provided on the upper cover 200. When the air pressure inside the humidifying bottle is too high, the internal oxygen will push open the overpressure protection valve and release a part of the oxygen, thereby achieving the effect of stabilizing the air pressure inside the humidifying bottle and improving the safety of the humidifying bottle.

[0076] Further, referring to Figure 5, in this embodiment, a pipe locking assembly 240 is provided at the air inlet 210. The pipe locking assembly 240 includes a sheath 241 provided on the upper cover 200. The sheath 241 is sleeved at the air inlet 210. An opening corresponding to the air inlet 210 is provided on the sheath 241. A locking unit 242 is provided between the sheath 241 and the air inlet 210. The locking unit 242 includes a buckle 2421 provided at the air inlet 210 and an elastic part 2422 provided at the rear of the air inlet 210. An unlocking member 243 is provided on the sheath 241. Through the pipe locking assembly 240, the air inlet 210 of the humidifying bottle can be easily docked and locked onto the pipe fitting of the oxygen generator, and the disassembly and assembly are very convenient, improving the assembly efficiency. The specific docking operation is as follows: When connecting the humidifying bottle to the pipe fitting of the oxygen generator, insert the air inlet 210 of the humidifying bottle directly opposite to the pipe fitting of the oxygen generator. The pipe fitting of the oxygen generator presses the buckle 2421 at the air inlet 210, and the buckle 2421 opens, enabling the pipe fitting of the oxygen generator to be smoothly inserted into the air inlet 210 of the humidifying bottle. After the pipe fitting of the oxygen generator is inserted, the buckle 2421 rebounds under the elastic action of the elastic part 2422, and the buckle 2421 buckles the card slot on the pipe fitting of the oxygen generator to complete the assembly and locking; when it is necessary to take out the humidifying bottle, press the unlocking member 243, and the unlocking member 243 presses the buckle 2421, causing the buckle 2421 to open against the elastic force of the elastic part 2422, releasing the locking of the pipe fitting of the oxygen generator, so that the humidifying bottle can be smoothly pulled out.

[0077] A barrier sleeve 400 is provided outside the air guide pipe 300 of the humidifying bottle of the present application. The barrier sleeve 400 surrounds the air guide pipe 300. The humidifying liquid enters the buffer cavity 410 between the barrier sleeve 400 and the air guide pipe 300 through the liquid inlet hole 420 at the lower part of the barrier sleeve 400. The oxygen output from the air guide pipe 300 is humidified inside the buffer cavity 410, and then discharged into the humidifying cavity through the air outlet hole 430 at the upper part of the barrier sleeve 400, and then output through the air outlet 220 of the upper cover 200. The setting of the barrier sleeve 400 mainly limits the process of oxygen overflowing from the liquid surface within the buffer cavity 410. Since the volume of the buffer cavity 410 is small (the gap between the barrier sleeve 400 and the air guide pipe 300), the size of the oxygen gas flow is restricted, greatly reducing the possibility of water splashes. Moreover, through the blocking of the barrier sleeve 400, the water splashes and noise generated when the oxygen gas flow overflows from the liquid surface can be blocked together, thereby improving safety and reducing noise.

[0078] More specifically, there is less humidifying liquid in the buffer cavity 410, and the amount of humidifying liquid that the oxygen gas flow can drive is less, resulting in less kinetic energy of the humidifying liquid, fewer water splashes, and less noise.

[0079] At the same time, the driving effect of the oxygen gas flow on the humidifying liquid in the humidifying cavity 101 is small, and the humidifying liquid in the humidifying cavity 101 shakes less, reducing and even eliminating the water splashes and noise generated by the shaking of the humidifying liquid in the humidifying cavity 101.

[0080] Meanwhile, the liquid inlet hole 420 and the air outlet hole 430 impose constraints on the transmission of sound, reducing the transmission of sound, so that less sound is transmitted outward along with the oxygen gas flow, and the discomfort caused by noise to the oxygen inhalation personnel is reduced.

[0081] Meanwhile, the inner surface of the barrier sleeve 400 and the outer surface of the air duct 300 will have an adhesive effect on the humidifying liquid, and moreover, the air outlet hole 430 will impose a restraint on the flow of the humidifying liquid, reducing or even avoiding the outward overflow of the columnar humidifying liquid, thereby improving safety.

[0082] Referring to Figure 6 , the present invention also provides a humidifying method, which mainly includes an immersion step S1 and a humidifying step S2.

[0083] Among them, in the immersion step S1, humidifying liquid is injected into the humidifying chamber 101, so that the liquid level in the humidifying chamber 101 is higher than the liquid inlet hole 420 and lower than the air outlet hole 430. The upper cover 200 equipped with the humidifying device is installed on the bottle body 100, so that the liquid inlet hole 420 of the humidifying device is immersed in the humidifying liquid, and the humidifying liquid in the humidifying chamber 101 enters the buffer chamber 410 from the liquid inlet hole 420. The liquid level in the buffer chamber 410 is higher than the gas outlet and lower than the air outlet hole 430; In the humidifying step S2, oxygen enters the humidifying device through the upper cover 200, enters the interior of the inner housing, flows out from the gas outlet and enters the humidifying liquid in the buffer chamber 410, separates from the buffer chamber 410, flows out from the air outlet hole 430, and flows to the outside of the humidifier through the upper cover 200.

[0084] In summary, by forming the buffer chamber 410 between the inner housing and the outer housing, the present invention enables the humidifying process of the oxygen gas flow to be completed in the buffer chamber 410, replacing the humidifying method in which the oxygen gas flow is humidified in the humidifying chamber 101, avoiding driving all the humidifying liquid to move, reducing water splashes and noise, improving the use comfort, and at the same time, also avoiding taking out the columnar humidifying liquid, thereby improving safety.

[0085] In the description of this specification, the description with reference to terms such as "one embodiment, some embodiments, illustrative embodiments, examples, specific examples or some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0086] The terms "first", "second", "third", "fourth", etc. (if any) in the description, claims and the above-mentioned drawings of this application are used to distinguish similar objects and do not necessarily describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances so that the embodiments described here can be implemented in an order other than that shown or described here.

[0087] It should also be noted that in the description of this specification, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations.

[0088] In addition, the terms "comprise" and "have" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device that comprises a series of steps or units does not necessarily have to be limited to those steps or units clearly listed, but may also include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0089] Moreover, the term "comprise", "include" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements not only includes those elements, but also includes other elements not clearly listed, or also includes elements inherent to this process, method, article or device. Without further limitation, an element defined by the statement "including one..." does not exclude the existence of additional identical elements in the process, method, article or device that includes the said element.

[0090] The embodiments of the present invention have been described in detail above with reference to the drawings, but the present invention is not limited to the above embodiments. Various changes can be made without departing from the spirit of the present invention within the scope of knowledge possessed by those of ordinary skill in the art.

Claims

1. Humidifying device, characterized in that, The humidifying device includes an inner housing and an outer housing; The interior of the inner housing is used to form an air supply passage. An air outlet is provided at the bottom of the inner housing, and the gas in the air supply passage flows out through the air outlet. The outer housing is sleeved outside the inner housing. A buffer chamber is formed between the outer housing and the inner housing. A liquid inlet hole is provided at the bottom of the outer housing, and an air outlet hole is provided at the top of the outer housing. External humidifying liquid enters the buffer chamber through the liquid inlet hole, and the gas at the air outlet passes through the humidifying liquid in the buffer chamber and then discharges from the air outlet hole.

2. The humidifying device according to claim 1, wherein: The inner housing includes a trachea. The top end of the trachea is open for air intake, and the bottom end of the trachea is open to form the air outlet.

3. The humidifying device according to claim 1, wherein: The outer housing includes a barrier sleeve. A blocking portion is provided at the bottom of the barrier sleeve, and the air outlet faces the blocking portion.

4. The humidifying device according to claim 3, wherein: The liquid inlet hole is provided on the side wall of the barrier sleeve and is close to the blocking portion; or, the liquid inlet hole is provided on the blocking portion.

5. The humidifying device according to claim 1, wherein: The total area of the air outlet holes is more than 3 times the total area of the liquid inlet holes; and / or, there are 1 to 6 liquid inlet holes, and the aperture of each liquid inlet hole is 0.5 - 0.8 mm; there are more than 10 air outlet holes, and the aperture of each air outlet hole is more than 1 mm.

6. The humidifying device according to claim 1, wherein: The inner housing is made of a food-grade flexible material, and the outer housing is made of a food-grade material; and / or, the wall thickness of the inner housing is 1.2 - 1.8 mm.

7. The humidifying device according to claim 1, wherein: The humidifying device includes a quick-connect fitting. The upper end of the inner housing is sleeved on the quick-connect fitting, and the inner housing is connected and fixed to the quick-connect fitting by interference fit. A bulged first protrusion is formed at the connection between the inner housing and the quick-connect fitting.

8. The humidifying device according to claim 7, wherein: The upper end of the outer housing is sleeved on the first protrusion, and the outer housing is connected and fixed to the first protrusion by interference fit.

9. A humidifying bottle, wherein: It includes a bottle body and an upper cover covering the bottle body. A humidifying chamber is formed between the bottle body and the upper cover. The humidifying chamber is provided with the humidifying device according to any one of claims 1 to 8, and the humidifying device is installed on the upper cover.

10. A humidifying method, wherein: Applied to the humidifying bottle according to claim 9, the humidifying method includes: Infusion step: Inject humidifying liquid into the humidifying chamber, making the liquid level in the humidifying chamber higher than the liquid inlet hole and lower than the air outlet hole. Install the upper cover with the humidifying device on the bottle body, such that the liquid inlet hole of the humidifying device is immersed in the humidifying liquid. The humidifying liquid in the humidifying chamber enters the buffer chamber through the liquid inlet hole, and the liquid level in the buffer chamber is higher than the gas outlet and lower than the air outlet hole. Humidifying step: Oxygen enters the humidifying device through the upper cover, the oxygen enters the interior of the inner housing, the oxygen flows out from the gas outlet and enters the humidifying liquid in the buffer chamber, the oxygen separates from the buffer chamber, the oxygen flows out from the air outlet hole, and the oxygen flows through the upper cover to the outside of the humidifier.

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