CN115306766A - Air duct module structure and breathing machine - Google Patents
Air duct module structure and breathing machine Download PDFInfo
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- CN115306766A CN115306766A CN202210787916.0A CN202210787916A CN115306766A CN 115306766 A CN115306766 A CN 115306766A CN 202210787916 A CN202210787916 A CN 202210787916A CN 115306766 A CN115306766 A CN 115306766A
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- fan
- air duct
- flow
- module structure
- sleeve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
- F04D25/082—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provision for cooling the motor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
- F04D29/444—Bladed diffusers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/5806—Cooling the drive system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/42—Reducing noise
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The invention discloses an air duct module structure and a breathing machine, wherein the air duct module structure comprises a shell component, a fan and a fan sleeve; the fan is arranged in the shell component; the fan is sleeved outside the fan; the first air duct is formed between the shell component and the fan sleeve, an air inlet is formed in the shell component, and the first air duct is suitable for receiving airflow flowing in from the air inlet; the second air channel is formed between the fan sleeve and the fan, is suitable for being communicated with the first air channel and is suitable for driving airflow to flow through the fan sleeve and then enter the fan. The transmission of vibration can be effectively isolated through the fan sleeve, the first air channel and the second air channel are formed by the double-layer shell inside and outside the fan sleeve and the shell component, airflow noise is reduced, meanwhile, airflow is sucked after flowing through the fan, heating of the fan is effectively reduced, and the heat dissipation efficiency is obviously improved.
Description
Technical Field
The invention relates to the technical field of breathing machines, in particular to an air duct module structure and a breathing machine.
Background
Adopt to inhale the sound cotton and separate as the wind channel in wind channel bottom, the cotton for loose pore structure of amortization can't play the divided effect completely, and the spacer influence each other can be strideed across to the small part air current in the wind channel. Meanwhile, the fan in the air duct module has low heat dissipation efficiency and cannot effectively discharge heat generated by the motor.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides an air duct module structure which can reduce airflow noise and improve heat dissipation efficiency.
The invention also provides a breathing machine comprising the air duct module structure.
According to the embodiment of the first aspect of the invention, the air duct module structure comprises:
a housing assembly;
a fan disposed within the housing assembly;
the fan sleeve is sleeved outside the fan;
the first air duct is formed between the shell component and the fan sleeve, an air inlet is formed in the shell component, and the first air duct is suitable for receiving airflow flowing in from the air inlet;
and the second air channel is formed between the fan sleeve and the fan, is suitable for being communicated with the first air channel and is suitable for driving airflow to flow through the fan sleeve and then enter the fan.
According to the air duct module structure of the embodiment of the first aspect of the invention, at least the following beneficial effects are achieved: the transmission of vibration can be effectively isolated through the fan sleeve, the first air channel and the second air channel are formed by the double-layer shell inside and outside the fan sleeve and the shell component, airflow noise is reduced, airflow is sucked after flowing through the fan, heating of the fan is effectively reduced, and heat dissipation efficiency is obviously improved.
According to the air duct module structure provided by the embodiment of the first aspect of the invention, the air duct module structure further comprises a flow monitoring device, the flow monitoring device comprises an inner layer acquisition interface and an outer layer acquisition interface, the inner layer acquisition interface is arranged on the fan sleeve, and the outer layer acquisition interface is arranged on the shell component.
According to the air duct module structure in the embodiment of the first aspect of the invention, the flow monitoring device is fixedly arranged on the shell component, the shell component is provided with an interface matched with the inner layer acquisition interface, and the flow information acquired by the inner layer acquisition interface is transmitted to the flow monitoring device based on the interface.
According to the air duct module structure provided by the embodiment of the first aspect of the invention, the inner side wall of the fan sleeve is provided with a plurality of flow deflectors, the flow deflectors are arranged at intervals to form part of the second air duct, and the flow deflectors are used for guiding the air flow.
According to the air duct module structure in the embodiment of the first aspect of the present invention, an arc surface is disposed on a side wall of the guide vane relatively close to the fan, and at least one of a length, a thickness, an inclination angle, or a curvature of each arc surface of each guide vane is adjusted according to an outer contour shape of the fan.
According to the air duct module structure disclosed by the embodiment of the first aspect of the invention, the upper end and the lower end of the outer side wall of the fan sleeve are provided with the plurality of shock absorption supporting columns, and the shock absorption supporting columns are used for isolating the vibration of the fan from being transmitted to the shell component.
According to the air duct module structure provided by the embodiment of the first aspect of the invention, the housing assembly comprises an upper cover and a bottom cover which are connected with each other, a sealing ring assembly is arranged around the periphery of the fan sleeve, and the sealing ring assembly is located at the connection position between the upper cover and the bottom cover when the upper cover and the bottom cover are connected.
According to the air duct module structure provided by the embodiment of the first aspect of the invention, the fan sleeve is made of silica gel, and the fan sleeve, the flow deflector, the shock absorption supporting column and the sealing ring component are made in an integrated forming mode.
According to the air duct module structure in the embodiment of the first aspect of the present invention, the air inlet is disposed at the bottom of the housing assembly, the first air duct is adapted to drive the airflow to flow through the entire outer side wall of the fan sleeve, the first air duct is communicated with the second air duct at the top of the fan sleeve, the second air duct is adapted to drive the airflow to flow through the entire outer side wall of the fan sleeve, and the second air duct is communicated with the fan at the bottom of the fan sleeve.
A ventilator according to an embodiment of the second aspect of the invention, comprising: the air duct module structure according to the embodiment of the first aspect of the invention.
It is understood that the ventilator according to the second aspect of the present invention has the technical effects of the air duct module structure according to the first aspect of the present invention, and thus the details are not repeated.
Additional aspects and advantages of the invention 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 invention.
Drawings
The invention is further described below with reference to the drawings and examples;
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a cross-sectional view of an embodiment of the present invention;
fig. 3 is a schematic structural view of a fan sleeve according to an embodiment of the present invention.
Reference numerals:
the air flow monitoring device comprises a housing assembly 100, an air inlet 110, an upper cover 120, a bottom cover 130, a fan 200, a fan sleeve 300, a flow deflector 310, a circular arc surface 311, a shock absorption support column 320, a sealing ring assembly 330, a connecting piece 331, a first air duct 400, a second air duct 500, a flow monitoring device 600, an outer layer collection interface 610 and an inner layer collection interface 620.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality is one or more, the meaning of a plurality is at least two, and greater than, less than, more than, etc. are understood as excluding the present numbers, and above, below, within, etc. are understood as including the present numbers. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood 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 invention, unless otherwise specifically limited, terms such as set, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention by combining the specific contents of the technical solutions.
Referring to fig. 1 to 3, an air duct module structure according to an embodiment of the present invention is applied to a respirator, and includes a housing assembly 100, a blower 200, and a blower cover 300.
Wherein the housing assembly 100 has a cavity capable of accommodating the motor, and an inner wall of the housing assembly 100 is used to form part of the first wind tunnel 400; the fan 200 is arranged in the housing assembly 100, the fan sleeve 300 is sheathed outside the fan 200 in a covering manner, a gap exists between the fan sleeve 300 and the fan 200 to serve as a second air duct 500, the fan sleeve 300 is provided with an opening, the opening is communicated with the gap to enable air to flow into the fan 200, a double-layer cavity can be formed outside the fan 200 through the arrangement of the fan sleeve 300, each layer of cavity is an air duct, the first air duct 400 is formed between the housing assembly 100 and the fan sleeve 300, the housing assembly 100 is provided with an air inlet 110 and an air duct outlet, the first air duct 400 is suitable for receiving airflow flowing in from the air inlet 110, the second air duct 500 is formed between the fan sleeve 300 and the fan 200, the second air duct 500 is suitable for being communicated with the first air duct 400, the second air duct 500 is suitable for driving the airflow to flow through the fan sleeve 300 and then enter the fan 200, and the fan 200 outputs the air to the air duct outlet. It can be understood that, after the fan 200 is started, the airflow is sucked by the fan 200 from the air inlet 110, the airflow flows from the first air duct 400 enclosed by the outer side of the fan sleeve 300 and the inner side of the housing assembly 100, the airflow flows through the first air duct 400 and then enters the second air duct 500 from the opening of the fan sleeve 300, and then the airflow flows through the second air duct 500 and enters the fan 200, and the fan 200 discharges the airflow from the air duct outlet, wherein the airflow can flow through the motor and then be sucked into the centrifugal fan 200 by setting the path of the second air duct 500, so as to take away part of the heat of the motor. The transmission of vibration can be effectively isolated through the fan sleeve 300, the fan sleeve 300 and the shell component 100 are internally and externally provided with double-layer shells to form a first air duct 400 and a second air duct 500, the airflow noise is reduced, meanwhile, airflow is sucked after flowing through the fan 200, the heating of the fan 200 is effectively reduced, and the heat dissipation efficiency is obviously improved.
In some embodiments of the present invention, referring specifically to fig. 1 and fig. 2, the air duct module structure further includes a flow monitoring device 600, the flow monitoring device 600 includes an inner layer collection interface 620 and an outer layer collection interface 610, the inner layer collection interface 620 is disposed on the fan sleeve 300, and the outer layer collection interface 610 is disposed on the housing assembly 100. It can be understood that, conventional wind channel module structure contains centrifugal fan 200, flow monitoring device 600, pressure acquisition device etc. and wherein flow monitoring device 600 has independent little module structural configuration in the wind channel module, causes the whole overall dimension of wind channel module great, is unfavorable for using the overall configuration. And the ventilator needs to calibrate the pressure and flow provided by the centrifugal fan 200 in real time through flow monitoring and pressure acquisition, and the longer the air channel, the larger the corresponding overall dimension of the module is, which is not beneficial to machine layout application. In the air duct module structure of the invention, the small module structure of the flow monitoring device 600 is cancelled, the inner layer collection interface 620 and the outer layer collection interface 610 are arranged in the inner layer cavity and the outer layer cavity, and the accurate monitoring can be realized without an additional small module structure, so that the arrangement of the first air duct 400 and the second air duct 500 is optimized, and the arrangement of the silencing structure is facilitated to a certain extent.
Preferably, the flow monitoring device 600 is fixedly disposed on the housing assembly 100, and the outer layer collecting interface 610 of the flow monitoring device 600 directly penetrates into the inner side wall from the outer side wall surface of the housing assembly 100, so as to smoothly monitor the flow of the first air duct 400; the shell assembly 100 is provided with an interface adapted to the inner acquisition interface 620, and the inner acquisition interface 620 is connected to the interface through the connector 331, so that the flow information acquired by the inner acquisition interface 620 is transmitted to the flow monitoring device 600 based on the interface. The flow monitoring device 600 can accurately monitor the flow without an additional small module structure and without being arranged in the first air duct 400 or the second air duct 500.
In some embodiments of the present invention, referring to fig. 3 in particular, the inner side wall of the fan sleeve 300 is provided with a plurality of guide vanes 310, each guide vane 310 is arranged at intervals to form part of the second air duct 500, and the guide vanes 310 are used for guiding the air flow. It is understood that the guide vanes 310 are sheet-like members, and the guide vanes 310 are spaced apart from each other based on the geometric center of the fan sleeve 300 to optimize the internal airflow direction and reduce airflow noise. It should be noted that, the arrangement of the guide vanes 310 can stabilize the airflow and reduce the generation of eddy, each guide vane 310 is vertically disposed on the inner sidewall of the fan sleeve 300, and stabilizes the airflow by using the front and the back, and the left side of the guide vane is used for connecting the inner sidewall of the fan sleeve 300, and the right side of the guide vane faces the fan 200 and is disposed relatively close to the fan 200.
Preferably, referring to fig. 3 specifically, an inner sidewall of each of the guide vanes 310, which is relatively close to the fan 200, is provided with an arc surface 311, the arc surface 311 is recessed inward, and at least one of the length, the thickness, the inclination angle of each guide vane 310 or the curvature of each arc surface 311 is adjusted according to the outer contour shape of the fan 200. It can be understood that the second air duct 500 is formed by the inner side wall of the fan 200 and the outer side wall of the fan 200, so the outer side wall and the contour shape of the fan 200 and the structure of the guide vane 310 in the fan sleeve 300 affect the formation of the air duct, and in order to ensure stable air flow and low noise, the specific size specification of each guide vane 310 corresponding to different positions of the fan 200 needs to be designed specifically according to the outer contour shape of the fan 200, so as to form a suitable second air duct 500. The specific specifications of the baffle 310 include length, thickness, width, inclination angles of the front and back surfaces, and curvature of each arc surface 311, and the second air duct 500 structure can be formed by changing one of the parameters.
In some embodiments of the present invention, referring to fig. 3 in particular, the fan sleeve 300 is provided with a plurality of shock absorbing support columns 320 at the upper and lower ends of the outer sidewall thereof, and the shock absorbing support columns 320 are used for isolating the vibration of the fan 200 from being transmitted to the housing assembly 100. It can be understood that shock-absorbing support columns 320 are vertically arranged, shock-absorbing support columns 320 located at the top end of the outer side wall of fan sleeve 300 can abut against the upper end of housing assembly 100, shock-absorbing support columns 320 located at the bottom end of the outer side wall of fan sleeve 300 can abut against the lower end of housing assembly 100, and vibration transmission generated during working of fan 200 can be isolated based on the arrangement of shock-absorbing support columns 320, so that use experience is improved, and noise is reduced.
In some embodiments of the present invention, with particular reference to fig. 2, the housing assembly 100 includes an upper cover 120 and a bottom cover 130 connected to each other, and a sealing ring assembly 330 is disposed around the circumference of the fan guard 300, the sealing ring assembly 330 being located at the connection between the upper cover 120 and the bottom cover 130 when the upper cover 120 and the bottom cover 130 are connected. It can be understood that, with particular reference to fig. 3, the circumferential side wall of the fan sleeve 300 is provided with connecting members 331, the connecting members 331 are arranged in a circumferential array, and the connecting members 331 are mutually matched to carry the sealing ring assembly 330, so that the sealing ring assembly 330 can form a ring shape at a position spaced from the fan sleeve 300, and can be ensured to be located at the connecting position and have a sealing effect when the upper cover 120 and the bottom cover 130 are installed and connected.
Preferably, fan cover 300 is made by the silica gel material, and fan cover 300, water conservancy diversion piece 310, shock attenuation support column 320, sealing washer subassembly 330 are made through the fashioned mode of integral type, and fan 200 can conveniently be located to the cover to silica gel, and shock attenuation, water conservancy diversion, noise reduction effect are showing.
In some embodiments of the present invention, the air inlet 110 is disposed at the bottom of the housing assembly 100, the first air duct 400 is adapted to drive the airflow to flow through the entire outer side wall of the fan sleeve 300, the first air duct 400 is communicated with the second air duct 500 at the top of the fan sleeve 300, the second air duct 500 is adapted to drive the airflow to flow through the entire outer side wall of the fan 200, and the second air duct 500 is communicated with the fan 200 at the bottom of the fan sleeve 300. It can be understood that, with reference to fig. 2 in particular, the first air duct 400 is divided into two branches based on the air inlet 110, the two branches are respectively arranged around the periphery of the fan sleeve 300 and meet at the opening of the fan sleeve 300, and then enter the fan sleeve 300 to be divided into two branches again after meeting, the two branches are respectively arranged around the periphery of the fan 200 to fully take away the heat of the fan 200 and meet at the air inlet of the fan 200, and the arrangement ensures the sufficient extension of the first air duct 400 and the second air duct 500, and the structure is compact and the air flow is stable.
Referring to fig. 1 to 3, a ventilator according to a second aspect of the present invention may be a continuous positive pressure ventilator, and includes a duct module structure according to a first aspect of the present invention. It can be understood that the functions of the centrifugal fan 200, the flow monitoring device 600, the pressure acquisition device and the like are often used in the field of continuous positive pressure breathing machines, and the centrifugal fan 200, the flow monitoring device 600, the pressure acquisition device and the like are integrated into one structure by the air duct module; the breathing machine needs to be through flow monitoring and the pressure and the flow that centrifugal fan 200 provided of real-time calibration of pressure acquisition, and the longer the wind channel corresponding overall dimension of module also is big more, is unfavorable for machine layout to use, and the wind channel of overlength is unfavorable for the setting of amortization structure at cross-section sudden change department formation air current vortex noise easily simultaneously. The air duct module structure of the respirator uses the fan 200, the silica gel sleeve, the air duct shell and the like to form an inner cavity air duct, materials used by the elements all meet the requirement of biocompatibility and are easy to purchase in the common material market, the inner cavity air duct formed by the fan 200, the silica gel sleeve, the air duct shell and the like has the advantage of compact structure, the structure of the flow monitoring device 600 is simplified, the trend of internal air flow is optimized, the noise of the air flow is reduced, and heat generated by a motor can be effectively taken away. Therefore, the breathing machine with the air duct module structure has the positive effects of compact structure, stable air flow, simple assembly, vibration isolation and transmission, low noise, high heat dissipation efficiency and the like.
The technical features of the embodiments described above can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. The utility model provides an air duct module structure which characterized in that includes:
a housing assembly;
a fan disposed within the housing assembly;
the fan sleeve is sleeved outside the fan;
the first air duct is formed between the shell component and the fan sleeve, an air inlet is formed in the shell component, and the first air duct is suitable for receiving airflow flowing in from the air inlet;
and the second air channel is formed between the fan sleeve and the fan, is suitable for being communicated with the first air channel, and is suitable for driving airflow to flow through the fan sleeve and then enter the fan.
2. The air duct module structure according to claim 1, characterized in that: the air duct module structure further comprises a flow monitoring device, wherein the flow monitoring device comprises an inner layer collection interface and an outer layer collection interface, the inner layer collection interface is arranged on the fan sleeve, and the outer layer collection interface is arranged on the shell component.
3. The air duct module structure according to claim 2, characterized in that: the flow monitoring device is fixedly arranged on the shell component, an interface matched with the inner layer acquisition interface is arranged on the shell component, and flow information acquired by the inner layer acquisition interface is transmitted to the flow monitoring device based on the interface.
4. The air duct module structure according to claim 1, characterized in that: the inner side wall of the fan sleeve is provided with a plurality of flow deflectors, the flow deflectors are arranged at intervals to form a part of the second air duct, and the flow deflectors are used for guiding air flow to flow.
5. The air duct module structure according to claim 4, characterized in that: an arc surface is arranged on one side wall of each flow deflector, which is relatively close to the fan, and at least one of the length, the thickness, the inclination angle or the curvature of each arc surface of each flow deflector is adjusted according to the outer contour shape of the fan.
6. The air duct module structure according to claim 4, characterized in that: the upper end and the lower end of the outer side wall of the fan sleeve are provided with a plurality of shock absorption supporting columns, and the shock absorption supporting columns are used for isolating vibration of the fan and transmitting the vibration to the shell component.
7. The air duct module structure according to claim 6, characterized in that: the shell component comprises an upper cover and a bottom cover which are connected with each other, a sealing ring component is arranged around the periphery of the fan sleeve, and the sealing ring component is positioned at the joint between the upper cover and the bottom cover when the upper cover and the bottom cover are connected.
8. The air duct module structure according to claim 7, characterized in that: the fan cover is made of silica gel materials, and the fan cover, the flow deflector, the damping support column and the sealing ring assembly are made in an integrated forming mode.
9. The air duct module structure according to any one of claims 1 to 8, wherein: the air inlet is arranged at the bottom of the shell component, the first air channel is suitable for driving airflow to flow through the whole outer side wall of the fan sleeve, the first air channel is communicated with the second air channel at the top of the fan sleeve, the second air channel is suitable for driving airflow to flow through the whole outer side wall of the fan, and the second air channel is communicated with the fan at the bottom of the fan sleeve.
10. A ventilator, comprising: the air duct module structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210787916.0A CN115306766B (en) | 2022-07-06 | 2022-07-06 | Air duct module structure and breathing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210787916.0A CN115306766B (en) | 2022-07-06 | 2022-07-06 | Air duct module structure and breathing machine |
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| Publication Number | Publication Date |
|---|---|
| CN115306766A true CN115306766A (en) | 2022-11-08 |
| CN115306766B CN115306766B (en) | 2023-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210787916.0A Active CN115306766B (en) | 2022-07-06 | 2022-07-06 | Air duct module structure and breathing machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117145810A (en) * | 2023-09-26 | 2023-12-01 | 广州和普乐健康科技有限公司 | Breathing machine |
| CN117145809A (en) * | 2023-09-26 | 2023-12-01 | 广州和普乐健康科技有限公司 | Air duct module structure and breathing machine |
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| CN115306766B (en) | 2023-03-14 |
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