CN117145810A

CN117145810A - Breathing machine

Info

Publication number: CN117145810A
Application number: CN202311261486.XA
Authority: CN
Inventors: 伍时庆; 邝勇; 曹晓聪; 江趟芳
Original assignee: Guangzhou Hypnus Healthcare Technology Co ltd
Current assignee: Guangzhou Hypnus Healthcare Technology Co ltd
Priority date: 2023-09-26
Filing date: 2023-09-26
Publication date: 2023-12-01

Abstract

The application discloses a breathing machine, which comprises a shell component, a fan module and a water tank component, wherein the fan module is arranged in the shell component, the fan module is connected with an air inlet component, the fan module comprises a fan body, a fan shell, a fan sleeve, a separation component and a communication component, the water tank component is arranged in the shell component, the water tank component is connected with an air outlet component, and a connecting mechanism is arranged between the water tank component and the fan module; the fan sleeve is matched with the fan shell to form a first cavity and a second cavity which are separated from each other, the first cavity is separated into a first cavity and a second cavity by the separation component, the first cavity is communicated with the air inlet component, the communication component is communicated with the second cavity and the second cavity, the track of air flow passing through is relatively fixed, the flowing track of each cavity is relatively short, stable air flow is facilitated, air flow vortex noise is reduced, and accordingly noise can be reduced; the air current flows through the surface of the fan body, and heat generated by the fan body can be taken away, so that the heat dissipation effect is improved.

Description

Breathing machine

Technical Field

The application relates to the technical field of respirators, in particular to a respirator.

Background

In the related art, the continuous positive pressure respirator is a device which can effectively replace, control or change normal physiological respiration of people, effectively improve respiratory function, lighten consumption caused by respiration and save heart reserve by increasing lung ventilation. The continuous positive pressure breathing machine mainly comprises a shell, a fan assembly, a water tank assembly and a plurality of functional components, wherein the fan assembly is used for driving airflow to flow to the water tank assembly and is mixed with water vapor generated by the water tank assembly to be delivered to a mask matched with a patient. The air duct module and the water tank module are the largest part in the breathing machine, the longer the air duct is, the larger the corresponding outline dimension of the air duct module is, the machine layout application is not facilitated, and the overlong air duct easily forms airflow vortex noise at the abrupt change of the section, and the setting of the silencing structure is not facilitated. The flow monitoring device has an independent small module structure, and is arranged in the air duct module, so that the overall dimension of the air duct module is large easily, and the application layout is not facilitated. The bottom of the air duct is divided by adopting sound-absorbing cotton as an air duct, the sound-absorbing cotton has a loose air hole structure and cannot completely separate, and small air flows in the air duct can cross the separation piece to influence each other; in addition, the air flow of the air duct does not pass through the heating area of the fan, so that heat generated by a motor of the fan cannot be effectively taken away, and the heat dissipation efficiency is low.

Disclosure of Invention

The present application aims to solve at least one of the technical problems existing in the prior art. Therefore, the application provides the breathing machine which can reduce the whole volume, improve the heat dissipation efficiency and the silencing effect.

According to an embodiment of the first aspect of the application, a ventilator comprises

The air inlet assembly and the air outlet assembly are respectively arranged on two sides of the shell assembly;

the fan module is arranged in the shell assembly and connected with the air inlet assembly, and comprises a fan body, a fan shell, a fan sleeve, a separation part and a communication part, wherein the fan sleeve is arranged outside the fan body, and the fan sleeve is arranged in the fan shell;

the water tank assembly is arranged in the shell assembly and is connected with the air outlet assembly, and a connecting mechanism is arranged between the water tank assembly and the fan module;

the fan casing and the fan shell are matched to form a first cavity and a second cavity which are separated, the first cavity is separated into a first cavity and a second cavity by the separation part, the first cavity is communicated with the air inlet assembly, the communication part is communicated with the second cavity and the second cavity, the fan air inlet is communicated with the second cavity, and the separation part is provided with a plurality of ventilation holes.

According to the embodiment of the first aspect of the application, the respirator has at least the following beneficial effects: the ventilator comprises a shell component, an air duct module and a water tank component, wherein a first cavity and a second cavity are formed between a ventilator sleeve and the shell component, the first cavity is separated into a first cavity and a second cavity by a separation component, airflow can sequentially flow through the first cavity, the second cavity and the first cavity before entering an air inlet of a fan, the flowing track of the airflow is relatively fixed, the flowing track of each cavity is relatively short, smooth airflow is facilitated, airflow vortex noise is reduced, and accordingly noise can be reduced; before flowing into the air inlet, the air flow can flow through the surface of the fan body and can take away heat generated by the fan body, so that the heat dissipation effect is improved; in addition, the low-frequency noise has longer wavelength, the silencing structure needs larger volume space, adverse effect is generated on product layout, the separation component in the application can play a role in changing the frequency of sound waves, part of low-frequency noise is changed into high-frequency noise, most of sound wave energy of high-frequency noise can be lost in the cavity, thus achieving silencing and noise reduction effects, and the size of the air duct module structure is also smaller; the whole fan body is wrapped in the fan sleeve, the shell component is further arranged outside the fan sleeve, two layers of wall thickness wrapping are achieved, the effect of isolating sound waves with longer wavelengths is achieved, and the mute effect is improved.

According to some embodiments of the application, a gap is formed between the fan body and the fan sleeve, the air flow entering the second cavity can flow to the air inlet along the gap, at least one guide vane is arranged on the inner wall of the fan sleeve, and the guide vane is spirally arranged.

According to some embodiments of the application, the blower housing includes a housing body, a pleat portion disposed between the housing body and the seal connection portion, and a seal connection portion abutting an inner wall of the blower housing.

According to some embodiments of the application, the air intake assembly further comprises an air intake member having a first air intake end, a second air intake end, and a mixing member, and an air intake tube comprising a first air intake passage connecting the mixing member and the first chamber.

According to some embodiments of the application, the mixing element comprises a mounting frame, an air guide member, a filtering element and a sensing element, wherein the air guide member is provided with a mixing chamber, the air guide member is connected with the mounting frame, the filtering element is detachably arranged on the mounting frame, the filtering element comprises a filter element and a filter element fixing frame, and the sensing element is arranged in the mixing chamber and used for detecting the service condition of the filter element.

According to some embodiments of the application, the water tank assembly comprises a water tank shell and a partition arranged in the water tank shell, wherein the water tank shell is provided with a water tank air inlet and a water tank air outlet, and an air inlet pipe is arranged on the partition and is in butt joint with the water tank air inlet.

According to some embodiments of the application, the connection mechanism comprises a fan air outlet and a water-proof cabin, the water-proof cabin is used for connecting the fan air outlet and the water tank air inlet, the bottom of the fan air outlet is higher than the bottom of the water-proof cabin, and a liquid level sensor is arranged in the water-proof cabin and used for detecting whether liquid exists in the water-proof cabin.

According to some embodiments of the application, the middle part of the separator is convexly arranged upwards to form an overflow preventing part, the top surface and the side surface of the overflow preventing part are both provided with a plurality of hollowed-out holes, and the air inlet pipe is arranged in the overflow preventing part.

According to some embodiments of the application, the air outlet assembly comprises an air outlet pipeline and an air outlet cavity, the shell assembly is inwards sunken to form the air outlet cavity, the air outlet cavity is communicated with the water tank assembly, and the air outlet pipeline is detachably arranged in the air outlet cavity.

According to some embodiments of the application, the fan module further comprises a connecting assembly, wherein the connecting assembly comprises a first connecting piece arranged on the fan module and a second connecting piece arranged on the water tank assembly, and the first connecting piece and the second connecting piece are connected through clamping grooves in a snap fit mode.

According to some embodiments of the application, the heating assembly comprises a heating component and an elastic component arranged at the bottom of the heating component, wherein the heating component is arranged below the water tank assembly, and the elastic component is arranged around the heating component so as to enable the heating component to be closely attached to the water tank assembly.

According to some embodiments of the application, the communication device further comprises a communication component, wherein the upper side of the shell assembly is provided with an inwards concave accommodating cavity, and the communication component is detachably arranged in the accommodating cavity.

According to some embodiments of the application, the housing assembly is provided with a power supply assembly comprising an interface and a power cord component arranged on the housing assembly, the power cord component comprises a structural member and a power cord, the power cord is arranged in the structural member, the structural member comprises an upper structural member and a lower structural member which can be buckled, the structural member is provided with a clamping strip, the interface is internally provided with a clamping groove, and the structural member is arranged in the interface through threads.

Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.

Drawings

The foregoing and/or additional aspects and advantages of the application will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic diagram of a ventilator according to an embodiment of the present application;

FIG. 2 is a schematic view of the ventilator shown in FIG. 1 at another angle;

FIG. 3 is a schematic view of the internal structure of the ventilator shown in FIG. 1;

FIG. 4 is a schematic view illustrating a structure of an air intake assembly and a fan module according to an embodiment of the present application;

FIG. 5 is an exploded view of a fan module according to an embodiment of the present application;

FIG. 6 is a schematic view of a blower housing and communication components in an air duct module according to an embodiment of the present application;

FIG. 7 is a schematic view of a fan module according to an embodiment of the present application;

FIG. 8 is a schematic view of a water tank assembly and a connection structure according to an embodiment of the present application;

fig. 9 is a schematic view showing an internal structure of a tank assembly according to an embodiment of the present application;

fig. 10 is a schematic view of the structure of the partition in the tank assembly shown in fig. 9;

FIG. 11 is a schematic view of a heating assembly according to an embodiment of the present application;

FIG. 12 is a schematic view of an air intake assembly according to an embodiment of the present application;

FIG. 13 is an exploded view of the air intake assembly of FIG. 12;

fig. 14 is a schematic structural diagram of a wifi component according to an embodiment of the application;

fig. 15 is an exploded view of a power cord assembly according to an embodiment of the present application.

Reference numerals:

a housing assembly 100;

fan module 200, first fan housing 211, second fan housing 212, fan body 213, fan casing 214, partition member 215, communication member 216, first cavity 221, second cavity 222, first cavity 223, second cavity 224, support column 231, casing body 232, fold portion 233, seal connection portion 234, and guide vane 235;

the water tank assembly 300, the water tank air inlet 311, the water tank air outlet 312, the separator 330, the air inlet pipe 331, the overflow preventing part 332, the hollowed-out hole 333, the water-proof cabin 340, the heating part 341 and the elastic part 342;

air inlet assembly 400, air inlet pipe 410, first air inlet end 411, pressure difference acquisition point 412, second air inlet end 421, mounting bracket 431, filter element 432, filter element fixing bracket 433, air guide 434, and sensing component 440;

an air outlet assembly 500, an air outlet pipeline 510 and an air outlet cavity 520;

the power assembly 600, the interface 610, the upper structural member 620, the lower structural member 630, the power cord 640;

communication part 700, accommodation cavity 710.

Detailed Description

Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the application.

In the description of the present application, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, inner, outer, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application.

In the description of the present application, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present application, unless explicitly defined otherwise, terms such as arrangement, mounting, connection, assembly, cooperation, etc. should be construed broadly and the specific meaning of the terms in the present application can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical solution.

A ventilator according to an embodiment of the present application is described below with reference to fig. 1 to 15.

As shown in fig. 1 to 15, the breathing machine of the embodiment of the application comprises a shell assembly 100, a fan module 200 and a water tank assembly 300, wherein an air inlet assembly 400 and an air outlet assembly 500 are respectively arranged on two sides of the shell assembly 100; the fan module 200 is arranged in the shell assembly 100, the fan module 200 is connected with the air inlet assembly 400, the fan module 200 comprises a fan body 213, a fan shell, a fan sleeve 214, a separation part 215 and a communication part 216, the fan sleeve 214 is arranged outside the fan body 213, the fan sleeve 214 is arranged in the fan shell, the fan sleeve 214 is matched with the fan shell to form a first cavity 221 and a second cavity 222 which are separated, the separation part 215 separates the first cavity 221 into the first cavity 223 and the second cavity 224, the first cavity 223 is communicated with the air inlet assembly 400, the communication part 216 is communicated with the second cavity 222 and the second cavity 224, a fan air inlet is communicated with the second cavity 222, the separation part 215 is provided with a plurality of ventilation holes, the water tank assembly 300 is arranged in the shell assembly 100, the water tank assembly 300 is connected with the air outlet assembly 500, and a connecting mechanism is arranged between the water tank assembly 300 and the fan module 200.

Referring to fig. 3 to 7, specifically, the blower housing 214 is sleeved on the periphery of the blower body 213, the blower housing 214 is installed in the blower housing, the blower housing 214 encloses a first cavity 221 and a second cavity 222 which are separated from each other, the partition part 215 is provided with a plurality of ventilation holes, the partition part 215 partitions the first cavity 221 into a first cavity 223 and a second cavity 224, the first cavity 223 is communicated with the air inlet assembly 400, the communication part 216 is communicated with the second cavity 222 and the second cavity 224, and the blower air inlet is communicated with the second cavity 222.

When the air duct module works, air flows from the air inlet assembly 400 into the first chamber 223, the second chamber 224 and the first chamber 221 in sequence, and then flows into the air inlet of the fan. In the air flow process, the air can flow through the fan body 213, so that heat generated by the fan body 213 is taken away, and the heat dissipation effect is improved.

In the embodiment of the present application, the blower housing 214 and the blower housing are formed with a first cavity 221 and a second cavity 222, and the partition member 215 partitions the first cavity 221 into a first cavity 223 and a second cavity 224. Therefore, the airflow can sequentially flow through the first chamber 223, the second chamber 224 and the first chamber 221 before entering the fan air inlet from the first air inlet channel, the flowing track of the airflow is relatively fixed, and the flowing track of each chamber is relatively short, so that the airflow is stable, the vortex noise of the airflow is reduced, and the noise can be reduced; in addition, the low-frequency noise has longer wavelength, the silencing structure needs larger volume space, adverse effect is generated on the layout of products, the separation component 215 in the application can play a role in changing the frequency of sound waves, part of low-frequency noise is changed into high-frequency noise, most of sound wave energy of high-frequency noise can be lost in the cavity, thus achieving the silencing and noise reducing effects, and being beneficial to making the volume of the air duct module structure smaller; the whole fan body 213 is wrapped in the fan sleeve 214, the fan casing is further arranged outside the fan sleeve 214, two layers of wall thickness wrapping are achieved, the effect of isolating sound waves with longer wavelengths is achieved, and the silencing effect is further improved.

In some embodiments, a gap is provided between the fan body 213 and the fan casing 214, and the airflow entering the second cavity 222 can flow to the fan inlet along the gap. Therefore, the air flow can flow through the fan body 213 before flowing into the fan air inlet, and the heat generated by the fan body 213 is taken away together, so that the heat dissipation effect can be improved.

Referring to fig. 3-7, in some embodiments, the inner wall of the windband 214 is provided with at least one deflector 235, the deflector 235 being helically disposed. Specifically, the guide vane 235 is spirally disposed on the inner wall of the blower casing 214, so that the positions of the inlet and the outlet of the spiral air passage formed between the guide vane 235 and the blower body 213 are staggered through spatial spiral, and no direct alignment exists, thereby changing the reflection direction of the sound wave in the spiral air passage and further achieving the purpose of silencing. Therefore, the arrangement of the flow guide plate 235 is beneficial to stabilizing air flow, reducing vortex generation and reducing noise.

The fan body 213 vibrates during operation, and a conventional structure is generally provided with a special vibration damper for the fan, and vibration of the fan is isolated by the vibration damper. However, this solution increases the volume of the air duct module, which is disadvantageous for achieving a miniaturized design. In some embodiments, the blower housing 214 has a support post 231, the support post 231 abutting the blower housing. Specifically, the support column 231 is made of elastic materials such as rubber, silica gel and the like, and can absorb vibration energy through elastic deformation, so that vibration reduction can be achieved.

In some embodiments, the blower housing 214 includes a housing body 232, a crimped portion 233, and a seal connection 234, the crimped portion 233 being disposed between the housing body 232 and the seal connection 234, the seal connection 234 abutting an inner wall of the blower housing. The fold portion 233 is made of an elastic material and can be elastically deformed. Therefore, the vibration of the fan body 213 can be effectively isolated, the condition that the vibration is directly transmitted to the fan shell is reduced, and the vibration reduction performance of the air duct module structure is improved. The sealing connection 234 is connected to the blower housing, dividing the blower housing into a first cavity 221 and a second cavity 222. And the sealing connection part 234 is in sealing connection with the fan housing, so that the sealing performance of the first cavity 221 and/or the second cavity 222 is improved.

In this embodiment, the fan housing includes a first fan housing 211 and a second fan housing 212, the second fan housing 212 is provided with a groove for accommodating the seal connection portion 234, and when assembled, the seal connection portion 234 is placed in the groove, and the first fan housing 211 is buckled on the seal connection portion 234, so that the seal connection portion 234 is fixedly connected with the fan housing. Further, a step structure is provided on a side of the seal connection portion 234 adjacent to the first fan housing 211, and the first fan housing 211 is provided at an abutting portion that mates with the step structure. By such design, the step structure can be utilized to provide positioning for the first fan housing 211, and the abutting portion and the groove can be utilized to limit the sealing connection portion 234 in the groove, so that the sealing connection portion 234 is prevented from being separated from the groove. Therefore, the fixing structure of the blower housing 214 is simplified, and the volume of the air duct module structure is reduced.

In this embodiment, the blower housing 214 is made of silica gel, that is, the structures of the supporting column 231, the fold portion 233, the sealing connection portion 234, etc. are made of silica gel, and the silica gel has elasticity and good vibration damping capability.

In some embodiments, the air intake assembly 400 further includes an air intake component having a first air intake end 411, a second air intake end 421, and a mixing component, and an air intake tube 410, the air intake tube 410 including a first air intake channel connecting the mixing component and the first chamber 223. The air inlet part has a first air inlet end 411, a second air inlet end 421 and a mixing part, and the first air inlet end 411 and the second air inlet end 421 can be used for inputting the same or different gases. For example, the first air inlet 411 is used for inputting oxygen, and the second air inlet 421 is used for inputting air, which is not limited herein. It is appreciated that the different gases can be mixed within the mixing element of the intake element. The mixing component is used for mixing gas, and the mixing component can also change the effect of the pressure of both sides of the mixing component, thereby playing a role in generating pressure drop. The air inlet pipe 410 includes a first air inlet channel, the first air inlet channel connects the mixing component and the first chamber 223, and in this embodiment, the air inlet pipe 410 is a pressure differential pipe, and a net structure with honeycomb holes is disposed in the air inlet pipe 410, which has the effects of stabilizing air flow and generating pressure drop. The air inlet pipe 410 is provided with pressure difference collecting points 412 at both sides, and the pressure difference collecting points 412 are provided with probes of a pressure difference detecting device to realize pressure difference detection.

In some embodiments, the mixing component includes a mounting frame 431, an air guide 434, a filter component and a sensing component 440, the air guide 434 is provided with a mixing chamber, the air guide 434 is connected with the mounting frame 431, the filter component is detachably mounted on the mounting frame 431, the filter component includes a filter element 432 and a filter element fixing frame 433, and the sensing component 440 is provided in the mixing chamber for detecting a use condition of the filter element 432. The mounting frame 431 is provided on the housing assembly 100, and the filter part includes a filter element 432 and a filter element fixing frame 433, and the filter element 432 can filter the air and oxygen entered, thereby improving the quality of the final mixed gas. The filter element 432 is detachably mounted on the filter element fixing frame 433, and the filter element fixing frame 433 is detachably mounted on the mounting frame 431, so that the filter element 432 can be conveniently removed, and subsequent replacement or cleaning is convenient. The mixing means is further provided with a mixing chamber and a sensing means 440, and the gas introduced from the first air inlet 411 and the second air inlet 421 is filtered by the filtering means and mixed in the mixing chamber. A sensing member 440 is mounted in the mixing chamber for enabling detection of the gas quality and usage of the cartridge 432. When the gas quality is reduced, the performance of the filter element 432 can be judged to be reduced to a certain threshold value, and then an alarm is given, so that a user is reminded to take out the filter element 432 for replacement or cleaning. Further, the sensing component 440 may further include at least one of a gas pressure sensing component 440, a temperature sensing component 440, and a humidity sensing component 440, for detecting the gas pressure and the temperature and the humidity of the mixed gas, and providing data support for subsequent adjustment of the gas pressure and the temperature and the humidity of the output gas.

It should be noted that, the filter element 432 is a porous material for adsorbing impurities, and may be activated carbon, activated alumina, nano-ore crystals, or other materials having a function of adsorbing air impurities as well, for adsorbing dust, or PM2.5 particles.

The filter element fixing frame 433 and the mounting frame 431 can be detachably connected, and can be connected in a shaft hole plugging manner, a bolt connection manner, a pin connection manner or a buckle connection manner. In this embodiment, the filter element fixing frame 433 is mounted to the mounting frame 431 in a manner of fastening connection, and is provided with at least two fasteners, and corresponding fastening slots are provided at corresponding positions of the mounting frame 431. It is noted that the filter element fixing frame 433 is of a hollow structure, and air can pass through the hollow part of the filter element fixing frame 433 after being input and fully contact with the filter element 432.

Referring to fig. 8 to 11, according to some embodiments of the present application, a tank assembly 300 includes a tank case 310 and a partition 330 disposed in the tank case 310, the tank case 310 is provided with a tank inlet 311 and a tank outlet 312, and an air inlet pipe is disposed on the partition 330 and is in butt joint with the tank inlet 311. The cavity for humidifying is formed in the water tank shell 310, the water tank shell 310 is provided with a water tank air inlet 311 and a water tank air outlet 312, and the water tank air inlet 311 and the water tank air outlet 312 are communicated with the cavity, wherein a partition 330 is arranged in the water tank shell 310, an air inlet pipe is arranged on the partition 330, and the air inlet pipe is in butt joint with the water tank air inlet 311. Compared with the prior art, the water tank assembly 300 of the application eliminates the air outlet pipe in the water tank assembly 300, air pumped by the breathing machine enters the water surface heated in the water tank shell 310 along the air inlet pipe 331 through the water tank air inlet 311 for humidification, the humidified air flows out of the water tank air outlet 312 through the partition 330 and finally is sent out of the breathing machine, and the partition 330 is arranged, so that even if the breathing machine is inclined, the water can be effectively intercepted, and the water is prevented from being flooded to the water tank air inlet 311 or the water tank air outlet 312.

In this embodiment, the water tank air outlet 312 is disposed at a position near the top of the side surface of the water tank housing 310, and even if the water tank air outlet 312 is inclined, water is not easy to flow back to the water tank air outlet 312.

According to some embodiments of the present application, the connection mechanism includes a fan outlet and a water-proof cabin 340, the water-proof cabin 340 is used for connecting the fan outlet and the water tank inlet 311, the bottom of the fan outlet is higher than the bottom of the water-proof cabin 340, and a liquid level sensor is arranged in the water-proof cabin 340 for detecting the liquid level in the water-proof cabin 340. Through setting up a water proof cabin 340 between water tank assembly 300 and fan module 200, will be from the unexpected liquid water storage that overflows in water tank assembly 300 in water proof cabin 340, the bottom of fan air outlet is higher than the bottom of water proof cabin 340, can prevent that liquid water from getting into fan module 200 and causing the influence to fan module 200. And further, a liquid level sensor is further arranged in the water-proof cabin 340, and the liquid level sensor can detect whether liquid water exists in the water-proof cabin 340, and can be triggered when liquid exists in the water-proof cabin, so that a user is timely reminded of cleaning accumulated water in the water-proof cabin 340.

Specifically, the liquid level sensor is installed in the water-proof cabin 340 and is used for detecting whether liquid exists in the water-proof cabin 340, so that when liquid is accumulated in the water-proof cabin 340, a user can be reminded of timely discharging accumulated water in the water-proof cabin 340, and excessive liquid water is prevented from overflowing to the fan air outlet and the water tank air inlet 311. Specifically, the number of the liquid level sensors is two, and the liquid level sensors are electrode type sensors and are arranged in the water-proof cabin 340 side by side, and the installation height of the liquid level sensors is between the bottom of the water-proof cabin 340 and the bottom of the fan air outlet and the water tank air inlet 311. When the liquid water does not contact the liquid level sensors, the two liquid level sensors are not provided with conductive media, so that the two liquid level sensors are not communicated; when liquid is accumulated in the waterproof cabin 340 and can be contacted with two liquid level sensors at the same time, electric charges move through liquid media, and the circuits of the two liquid level sensors are communicated, so that an alarm is triggered, and a user is reminded to timely discharge liquid water. It is to be readily understood that other liquid level detection methods may be used to detect the liquid level in the water-proof cabin 340, for example, in some embodiments, the liquid level sensor is externally provided with a floating ball, and when the liquid level rises, the floating ball can be lifted, so as to trigger the liquid level sensor; or, the liquid level sensor is a pressure sensor, which is installed at the bottom of the water-proof cabin 340, when the liquid water in the water-proof cabin 340 increases, the pressure of the liquid water to the liquid level sensor also increases, and when the pressure reaches a certain threshold value, the liquid level sensor can be triggered.

According to some embodiments of the present application, the middle portion of the spacer 330 is protruded upward to form the overflow preventing portion 332, the top surface and the side surface of the overflow preventing portion 332 are provided with a plurality of hollow holes 333, and the air inlet tube 331 is disposed in the overflow preventing portion 332. The middle part of isolator 330 upwards protrudes and forms anti-overflow portion 332, and the side of anti-overflow portion 332 is slightly towards central direction slope, is favorable to the even distribution of air, and further, the top surface and the side of anti-overflow portion 332 all are provided with a plurality of fretwork holes 333, and fretwork hole 333 is favorable to scattering the air after the humidification to assemble the gas outlet, wherein, intake pipe 331 sets up in anti-overflow portion 332, and the central point that is close to anti-overflow portion 332 is given vent to anger to the end of intake pipe 331 is favorable to the even humidification of air, still makes things convenient for subsequent cleanness with intake pipe 331 setting in isolator 330.

According to some embodiments of the present application, the air outlet assembly 500 includes an air outlet pipe 510 and an air outlet chamber 520, the housing assembly 100 is recessed inward to form the air outlet chamber 520, the air outlet chamber 520 is in communication with the water tank assembly 300, and the air outlet pipe 510 is detachably mounted in the air outlet chamber 520. After long-term use, the air outlet pipe 510 needs to be disassembled for disinfection treatment to ensure the safety of the air sent by the breathing machine. Specifically, in some embodiments of the present application, the housing assembly 100 is recessed inward to form the air outlet cavity 520, the air outlet pipeline 510 is embedded in the air outlet cavity 520, and the air outlet pipeline 510 is detachably mounted on the housing assembly 100, compared with the prior art that the air outlet pipeline 510 needs to be detached for disinfection, the mounting portion of the housing for mounting the air outlet pipeline 510 also needs to be disinfected, and the existing air outlet pipeline 510 directly passes through the housing assembly 100 to be connected with the water tank assembly 300, so that the air outlet pipeline 510 can be directly detached for disinfection. The air outlet pipeline 510 is provided with a pressure sensor towards one side of the water tank assembly 300, and can detect the air flow sent out by the breathing machine, monitor the air supply of the breathing machine and ensure the normal operation of the breathing machine when the breathing machine is started.

According to some embodiments of the application, the fan module 200 further comprises a connecting assembly, wherein the connecting assembly comprises a first connecting piece arranged on the fan module 200 and a second connecting piece arranged on the water tank assembly 300, and the first connecting piece and the second connecting piece are connected through clamping grooves in a snap fit mode. Specifically, the first connecting piece is set to be a first clamping groove, the second connecting piece is set to be a first buckle, and when the fan module 200 and the water tank module 300 are connected, the first buckle of the water tank module 300 is inserted into the first clamping groove of the fan module 200, so that connection and fixation of the water tank module 300 and the fan module 200 are achieved through the connecting piece. It is understood that the first and second catches may be provided in plurality. It should be noted that, in some other embodiments, the first connecting piece is configured as a first buckle, and the second connecting piece is configured as a first slot, so that the connection and the fixing of the water tank assembly 300 and the fan module 200 can be achieved.

According to some embodiments of the present application, the heating assembly further comprises a heating member 341 and an elastic member 342 disposed at the bottom of the heating member 341, the heating member 341 is disposed below the water tank assembly 300, and the elastic member 342 is disposed around the heating member 341 so that the heating member 341 is closely attached to the water tank assembly 300. The heating element sets up in the below of water tank assembly 300, and heating element is used for heating the water in the water tank assembly 300, and the mixed gas that the water mist after being heated sent to fan module 200 wets, and specifically, heating element includes heating element 341 and elastomeric element 342, and elastomeric element 342 sets up in the bottom of heating element 341, and elastomeric element 342 sets up around heating element 341, and when elastomeric element 342 supports to the object, elastomeric element 342 is pressed back and is given an ascending power of heating element 341, can make heating element 341 hug closely water tank assembly 300, guarantees the heating effect of heating element 341 to water tank assembly 300. It will be appreciated that in some embodiments, the resilient member 342 is provided as a metal dome.

According to some embodiments of the present application, the communication part 700 is further included, and the housing assembly 100 is provided at an upper side thereof with an inwardly recessed receiving cavity 710, and the functional module is detachably mounted in the receiving cavity 710. The shell assembly 100 is provided with the accommodating cavity 710, the accommodating cavity 710 is concavely arranged inwards, the communication part 700 is in a box shape, the communication part 700 is in modularized design, the communication part 700 can be directly installed in the accommodating cavity 710 at the upper side of the shell assembly 100, the maintenance and the replacement are convenient, and the modularized design is suitable for being used on different models.

According to some embodiments of the present application, the housing assembly 100 is provided with a power supply assembly 600, the power supply assembly 600 comprising an interface 610 provided on the housing assembly 100 and a power cord component, the power cord component comprising a structural member and a power cord 640, the power cord 640 being provided within the structural member, the structural member comprising a snap-fittable upper structural member 620 and a lower structural member 630, the structural member being mounted within the interface 610 by a snap-fit connection of a snap-fit slot. In some embodiments, the housing assembly 100 is powered by the power assembly 600, the power assembly 600 includes an interface 610 and a power cord component, the interface 610 is disposed on the housing assembly 100, the power cord component includes a structural member and a power cord 640, the structural member includes a lockable upper structural member 620 and a lower structural member 630, and the upper structural member 620 and the lower structural member 630 cooperate to wrap the power cord 640, so as to protect the power cord 640. In some embodiments, the structural member is provided with external threads, the interface 610 is provided with internal threads, and the structural member and the interface 610 can be mounted by threaded connection, making the connection between the power cord component and the interface 610 more secure. In other embodiments, the structural member is provided with a buckle, the interface 610 is internally provided with a clamping groove, the structural member outside the power line 640 is in clamping groove buckle connection with the interface 610, so that the connection between the power line component and the interface 610 is more stable, the power line 640 is prevented from falling off due to misoperation, and long-term normal operation of the breathing machine is ensured.

The embodiments of the present application have been described in detail with reference to the accompanying drawings, but the present application is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present application.

Claims

1. A ventilator, comprising:

2. The ventilator of claim 1, wherein a gap is provided between the blower body and the blower housing, the airflow entering the second cavity is capable of flowing along the gap to the air inlet, at least one air deflector is disposed on an inner wall of the blower housing, and the air deflector is spirally disposed.

3. The air duct module structure of claim 1, wherein the blower housing includes a housing body, a pleated portion, and a sealing connection portion, the pleated portion being disposed between the housing body and the sealing connection portion, the sealing connection portion being in abutment with an inner wall of the blower housing.

4. The air duct module structure of claim 1, wherein the air intake assembly further comprises an air intake member having a first air intake end, a second air intake end, and a mixing member, and an air intake tube comprising a first air intake passage connecting the mixing member and the first chamber.

5. The air duct module structure of claim 4, wherein the mixing member comprises a mounting frame, an air guide member, a filter member and a sensing member, the air guide member is provided with a mixing chamber, the air guide member is connected with the mounting frame, the filter member is detachably mounted on the mounting frame, the filter member comprises a filter element and a filter element fixing frame, and the sensing member is arranged in the mixing chamber and used for detecting the use condition of the filter element.

6. The air duct module structure of claim 1, wherein the water tank assembly comprises a water tank shell and a separator arranged in the water tank shell, the water tank shell is provided with a water tank air inlet and a water tank air outlet, and an air inlet pipe is arranged on the separator and is in butt joint with the water tank air inlet.

7. The ventilator of claim 6, wherein the connection mechanism comprises a blower outlet and a water-proof cabin, the water-proof cabin is used for connecting the blower outlet and the water tank air inlet, the bottom of the blower outlet is higher than the bottom of the water-proof cabin, and a liquid level sensor is arranged in the water-proof cabin and used for detecting whether liquid exists in the water-proof cabin.

8. The respirator of claim 6, wherein the middle portion of the separator is provided with an overflow preventing portion in an upward protruding manner, the top surface and the side surface of the overflow preventing portion are provided with a plurality of hollow holes, and the air inlet pipe is arranged in the overflow preventing portion.

9. The ventilator of claim 1, wherein the air outlet assembly comprises an air outlet conduit and an air outlet chamber, the housing assembly is recessed inwardly to form the air outlet chamber, the air outlet chamber is in communication with the water tank assembly, and the air outlet conduit is removably mounted within the air outlet chamber.

10. The ventilator of claim 1, further comprising a connection assembly comprising a first connector disposed on the fan module and a second connector disposed on the water tank assembly, the first connector and the second connector being connected by a snap fit of a slot.

11. The ventilator of claim 1, further comprising a heating assembly comprising a heating element and an elastic element disposed at a bottom of the heating element, the heating element disposed below the water tank assembly, the elastic element disposed around the heating element to allow the heating element to be in close proximity to the water tank assembly.

12. The ventilator of claim 1, further comprising a communication member, wherein the housing assembly is provided with an inwardly recessed receiving cavity in an upper side thereof, the communication member being removably mounted within the receiving cavity.

13. The ventilator of claim 1, wherein the housing assembly is provided with a power assembly comprising an interface and a power cord assembly disposed on the housing assembly, the power cord assembly comprising a structural member and a power cord disposed within the structural member, the structural member comprising a snappable upper structural member and a lower structural member, the structural member being threadably mounted within the interface.