Fans and respiratory therapy devices capable of stabilizing airflow and reducing noise

Abstract

To provide a fan and a respiratory therapy device capable of stabilizing airflow and reducing noise. [Solution] The fan 10 of the present invention comprises a housing body 11 having an accommodating cavity with a partition member therein, the partition member dividing the accommodating cavity into a main body region and an airflow stabilization and noise reduction region, and an airflow stabilization and noise reduction member 1113 detachably provided in the airflow stabilization and noise reduction region, wherein the airflow stabilization and noise reduction member is provided with a number of airflow stabilization and noise reduction through-holes, all of which are used to stabilize the airflow and reduce noise. The airflow flow path can be further optimized, and the noise and vibration during the operation of the airflow stabilization and noise reduction fan can also be effectively reduced, improving the comfort of patients receiving respiratory treatment.

Description

[Technical field]

[0001] The present application relates to the technical field of medical equipment, and in particular to a fan and a respiratory therapy device capable of stabilizing airflow and reducing noise. [Background technology]

[0002] The fan is an important power component of respiratory therapy equipment and plays a role in realizing the function of gas supply to the patient. The vibration of the fan not only causes noise but also affects the durability of the fan, so the stability, vibration damping, and noise reduction structure of the fan are extremely important in controlling the vibration of the airflow.

[0003] However, in existing respiratory therapy devices, various cushioning structures are often used to suppress fan vibration, such as cushioning structures on the top and bottom surfaces, seal rings on the air outlet, etc. However, these structures are often installed scattered as independent parts, and there is a risk of them becoming loose or falling off due to the internal vibration of the fan, which may result in poor flow stabilization and noise reduction of existing fans.

[0004] Therefore, existing technologies have drawbacks and deficiencies, and further improvements and developments are required. Summary of the Invention [Problem to be solved by the invention]

[0005] In view of the deficiencies of the prior art described above, the objective of this application is to provide a fan and respiratory therapy device capable of stabilizing airflow and reducing noise, in order to solve the problem of the poor airflow stabilization and noise reduction effects of fans in the prior art. [Means for solving the problem]

[0006] In order to solve the above technical problems, the present application adopts the following technical solution. A fan capable of stabilizing airflow and reducing noise is used in a respiratory therapy device, the fan comprising: a housing body having an accommodation cavity with a partition member provided therein, the partition member dividing the accommodation cavity into a main body region and an airflow stabilization / noise reduction region; an airflow stabilization / noise reduction member detachably provided within the airflow stabilization / noise reduction area; Here, the airflow stabilizing and noise reducing member is provided with a number of airflow stabilizing and noise reducing through-holes, and the plurality of airflow stabilizing and noise reducing through-holes are all used to stabilize the airflow and reduce noise.

[0007] Optionally, the cross section of the plurality of airflow stabilizing and noise reducing through holes is configured as a hexagon, a rectangle, or a polygon.

[0008] Optionally, a circular-arc transition segment is provided surrounding the opening of a number of the flow stabilizing and noise reducing through-holes, the circular-arc transition segment being used to reduce gas turbulence.

[0009] Optionally, a first insertion slot is provided on an inner wall of the airflow stabilization and noise reduction area, and a second insertion slot corresponding to the first insertion slot is provided on a side of the partition member away from the main body area, and both the first insertion slot and the second insertion slot are used to fix the airflow stabilization and noise reduction member.

[0010] Optionally, the fan capable of stabilizing airflow and reducing noise further includes a housing bottom plate, which is detachably mounted on the bottom of the housing body, and is used to increase a contact area with a floor surface.

[0011] Optionally, the housing bottom plate and the housing body are surrounded to form an air inlet cavity, an air inlet hole is opened in the air inlet cavity, the air inlet hole is used to allow air to enter the air inlet cavity, and a slow-flow spacer is provided in the air inlet cavity, and the longitudinal cross section of the slow-flow spacer is teardrop-shaped.

[0012] Optionally, an air flow upflow passage is provided on a side of the air inlet cavity proximate to the air inlet hole; Here, after the gas enters through the air inlet hole, the air velocity is slowed down by the slow-flow spacer, and then the gas enters the body region through the air rising passage.

[0013] Optionally, the fan capable of stabilizing airflow and reducing noise comprises a buffer sheet fixedly provided in the main body area; The air conditioner further includes a worm gear machine removably attached to the buffer sheet, the worm gear machine having a worm gear outlet and a buffer sleeve at the worm gear outlet, the buffer sleeve protruding from the partition member, at least a portion of the buffer sleeve being located in the airflow stabilization and noise reduction area, and the worm gear machine is used to pressurize gas in the main body area and discharge it to the airflow stabilization and noise reduction area.

[0014] Optionally, the fan capable of stabilizing airflow and reducing noise further includes an upper cover, a shape of the upper cover being adapted to the housing body, the upper cover being used to seal the accommodating cavity, an upper seal ring being provided between the upper cover and the accommodating cavity, the upper seal ring being used to enhance airtightness between the upper cover and the accommodating cavity, a lower seal ring being provided between the housing bottom plate and the air inlet cavity, the lower seal ring being used to enhance airtightness between the housing bottom plate and the air inlet cavity, An air outlet pipe is provided on the outside of the housing body, and the air outlet pipe is provided in communication with the airflow stabilization and noise reduction area.

[0015] The technical problem to be solved by this application is achieved by adopting the following technical solution, and the respiratory therapy device is equipped with the above-mentioned fan capable of stabilizing airflow and reducing noise. Effect of the Invention

[0016] Compared with the prior art, in the airflow stabilizing and noise reducing fan and respiratory therapy device provided by the present application, the airflow stabilizing and noise reducing fan has a number of airflow stabilizing and noise reducing through-holes in the airflow stabilizing and noise reducing member, so that when the airflow passes through the airflow stabilizing and noise reducing through-holes, it is guided again and decelerated, so that a good noise reduction effect is achieved. The hexagonal shape of the airflow stabilizing and noise reducing through-holes and the installation of the arc-shaped transition segment can effectively reduce the turbulence of the airflow and improve the stability of the airflow. Finally, the treated airflow flows out through the air outlet tube for use in the respiratory therapy device. Not only can the flow path of the airflow be optimized, but the noise and vibration during the operation process of the airflow stabilizing and noise reducing fan can also be effectively reduced, so that the comfort of the patient when receiving respiratory therapy can be improved. [Brief description of the drawings]

[0017] [Figure 1] 1 is a schematic diagram showing the three-dimensional structure of a fan capable of stabilizing airflow and reducing noise provided in one embodiment of the present application. [Diagram 2] 1 is a schematic diagram of an exploded view of a fan capable of stabilizing airflow and reducing noise provided in one embodiment of the present application; [Diagram 3] 1 is a schematic diagram of the three-dimensional structure of an airflow stabilization and noise reduction member of a fan capable of stabilizing airflow and reducing noise provided in one embodiment of the present application. [Figure 4] 1 is a schematic diagram showing the three-dimensional structure of a housing body of a fan capable of stabilizing airflow and reducing noise provided in one embodiment of the present application. [Diagram 5] 1 is a schematic diagram showing another three-dimensional structure of a housing body of a fan capable of stabilizing airflow and reducing noise provided in one embodiment of the present application. [Figure 6] 1 illustrates yet another three-dimensional structure of a housing body of a fan capable of stabilizing airflow and reducing noise provided in one embodiment of the present application. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0018] Hereinafter, the embodiments of the present application will be described in detail, and examples of the embodiments are illustrated in the accompanying drawings, in which the same or similar labels indicate 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 and are used only for the purpose of illustrating the present application, and are not to be construed as limiting the present application.

[0019] In the description of the application, the orientations or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "up", "down", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., are orientations or positional relationships based on the accompanying drawings, and are used only for the purpose of simplifying the description and explanation of the application, and are not intended to indicate or imply that such devices or components must necessarily have a particular orientation, be constructed and operated in a particular orientation, and therefore are not to be understood as limitations of the application. Furthermore, the terms "first" and "second" are used for descriptive purposes only, and do not indicate or imply the relative importance or number of such technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more such features. In the description of the application, unless otherwise specified, "plurality" means two or more than two.

[0020] In the description of this application, unless otherwise expressly specified and limited, it should be noted that the terms "attached", "coupled" and "connected" are understood in a broad sense, for example, they may be fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intermediate medium, or internally communicated between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific situation.

[0021] 1 and 2, the first embodiment of the present application provides a fan 10 capable of stabilizing airflow and reducing noise for use in a respiratory therapy device, in which air first enters the air inlet cavity 13 through the air inlet hole 131 of the housing body 11, and the airflow speed is first reduced in the air inlet cavity 13, and the impact force of the airflow is reduced, so as to avoid the generation of noise and vibration caused by sudden pressure changes. Then, the gas flows through the gentle flow spacer 132, and the teardrop-shaped cross section of the gentle flow spacer 132 can provide a smooth airflow transition, which further reduces the airflow speed and noise, not only contributes to the uniform flow of the airflow, but also reduces the turbulence caused by the sudden change of the airflow. After that, the airflow after buffering enters the airflow ascending passage 133 and gradually moves upward to the main body region 1111. In the main body region 1111, the worm gear machine 15 pressurizes the gas by the worm gear vanes. The worm gear outlet of the worm gear machine 15 is connected to the airflow stabilization and noise reduction area 1112 through the buffer sleeve 152, so that the pressurized gas can be smoothly discharged to the airflow stabilization and noise reduction area 1112 to further reduce noise and vibration. Within the airflow stabilization and noise reduction area 1112, a number of airflow stabilization and noise reduction through-holes 1114 are provided in the detachable airflow stabilization and noise reduction member 1113, and the airflow is guided again and decelerated when passing through the airflow stabilization and noise reduction through-holes 1114, so as to achieve a good noise reduction effect. The hexagonal shape of the airflow stabilization and noise reduction through-holes 1114 and the installation of the arc-shaped transition segment 1115 can effectively reduce the turbulence of the airflow and improve the stability of the airflow. Finally, the airflow flows out through the air outlet tube 1118 for use in the respiratory therapy device. Furthermore, it is possible to not only optimize the airflow path, but also effectively reduce noise and vibration during the operation of the airflow stabilizing and noise reducing fan 10, thereby improving the comfort of the patient during respiratory treatment. Although an example in which five airflow stabilizing and noise reducing through-holes 1114 are provided is shown in Figures 2 and 3, the number is not limited thereto, and may be 2 to 4 or 6 or more.

[0022] 2 and 3, in some embodiments, the fan 10 capable of stabilizing airflow and reducing noise comprises a housing body 11 and an airflow stabilizing and noise reducing member 1113, the housing body 11 has an accommodating cavity, a partition member 111 is provided in the accommodating cavity, the partition member 111 divides the accommodating cavity into a body region 1111 and an airflow stabilizing and noise reducing region 1112, and a removable airflow stabilizing and noise reducing member 1113 is provided in the airflow stabilizing and noise reducing region 1112, wherein the airflow stabilizing and noise reducing The member 1113 is provided with a number of airflow stabilizing and noise reducing through-holes 1114, and the plurality of airflow stabilizing and noise reducing through-holes are all used to stabilize the airflow and reduce noise, that is, the plurality of airflow stabilizing and noise reducing through-holes 1114 stabilize the airflow to the main body region 1111 and reduce noise, thereby improving the uniformity and stability of the airflow, improving the airflow stabilizing and noise reducing ability of the fan, solving the noise problem caused by fan vibration in the prior art, and improving the comfort and reliability of the breathing apparatus.

[0023] Referring to FIG. 3, in some embodiments, the cross sections of a number of the airflow stabilizing and noise reducing through-holes 1114 are set to be hexagonal, rectangular or polygonal, which contributes to further optimizing the airflow flow path, reduces the energy loss of the airflow through the through-holes, effectively reduces the airflow turbulence, reduces noise, and at the same time helps to improve the airflow transport efficiency of the fan under different working conditions.

[0024] Referring to FIG. 3, in some embodiments, the openings of a number of the airflow stabilization and noise reduction through-holes 1114 are surrounded by arc-shaped transition segments 1115, which are used to reduce gas turbulence, helping the airflow to flow more smoothly when passing through the airflow stabilization and noise reduction through-holes 1114, reducing the turbulence in the airflow, and effectively reducing the noise caused by the airflow.

[0025] Referring to FIG. 6, in some embodiments, a first insertion slot 1116 is provided on the inner wall of the airflow stabilization and noise reduction area 1112, and a second insertion slot 1117 corresponding to the first insertion slot 1116 is provided on the side of the partition member 111 away from the main body area 1111, and both the first insertion slot 1116 and the second insertion slot 1117 are used to fix the airflow stabilization and noise reduction member 1113, further ensuring the stability of the airflow stabilization and noise reduction member 1113 during use and preventing the airflow stabilization and noise reduction member 1113 from loosening or falling off due to vibration, thereby reducing noise and vibration caused by airflow.

[0026] 2 to 5, in some embodiments, the airflow stabilizing / noise reducing fan 10 further includes a housing bottom plate 12, which is detachably attached to the bottom of the housing body 11, and is used to increase the contact area with the floor surface, which helps to reduce noise caused by vibration of the airflow stabilizing / noise reducing fan 10, and improves the user experience.

[0027] 5 and 6, in some embodiments, the housing bottom plate 12 and the housing body 11 are surrounded to form an air inlet cavity 13, an air inlet hole 131 is opened in the air inlet cavity 13, the air inlet hole 131 is used to allow air to enter the air inlet cavity 13, and a gentle flow spacer 132 is provided in the air inlet cavity 13, and the longitudinal cross section of the gentle flow spacer 132 is teardrop-shaped. When the airflow passes through the gentle flow spacer 132, it can effectively reduce the impact force, reduce noise and vibration, and at the same time improve the stability of the airflow, which is helpful in improving the overall work efficiency.

[0028] 2 to 5, in some embodiments, an airflow ascending passage 133 is provided on the side of the air inlet cavity 13 close to the air inlet hole 131, in which after the gas enters from the air inlet hole 131, the airflow speed is slowed down by the slow-flow spacer 132, and the gas enters the main body region 1111 through the airflow ascending passage 133, thereby effectively guiding the flow of the gas slowed down by the slow-flow spacer 132 to the main body region 1111, thereby avoiding the direct impact of the airflow on the main body region 1111, not only reducing the noise caused by the airflow, but also improving the working efficiency of the fan.

[0029] Referring to FIG. 2 , in some embodiments, the airflow stabilizing and noise reducing fan 10 further includes a buffer sheet 14 and a worm gear machine 15, the buffer sheet 14 is fixedly installed in the main body region 1111, and the worm gear machine 15 is detachably installed on the buffer sheet 14, thereby effectively reducing vibration and noise during operation of the worm gear machine 15, the worm gear machine 15 is provided with a worm gear outlet, and a buffer sleeve 152 is provided at the worm gear outlet, the buffer sleeve 152 protrudes from the partition member 111, and at least a part of the buffer sleeve 152 is located in the airflow stabilizing and noise reducing region 1112, the worm gear machine 15 is used to pressurize the gas in the main body region 1111 and discharge it into the airflow stabilizing and noise reducing region 1112, so that the gas can be more stabilized when discharged into the airflow stabilizing and noise reducing region 1112, and additional noise caused by gas impact can be avoided, and the overall noise reduction effect and gas transport efficiency can be improved.

[0030] 2 to 5 , in some embodiments, the airflow stabilizing and noise reducing fan 10 further includes an upper cover 16, a shape of the upper cover 16 is adapted to the housing body 11, the upper cover 16 is used to seal the accommodating cavity, an upper seal ring is provided between the upper cover 16 and the accommodating cavity, the upper seal ring is used to improve airtightness between the upper cover 16 and the accommodating cavity, a lower seal ring is provided between the housing bottom plate 12 and the air inlet cavity 13, the lower seal ring is used to improve airtightness between the housing bottom plate 12 and the air inlet cavity 13, an air outlet pipe 1118 is provided on the outside of the housing body 11, and the air outlet pipe 1118 is provided in communication with the airflow stabilizing and noise reducing area 1112, which further improves the airtightness of the accommodating cavity, prevents gas leakage, and ensures efficient circulation of airflow in the accommodating cavity while reducing noise generation.

[0031] A second embodiment of the present application provides a respiratory therapy device, which is equipped with the above-mentioned airflow stabilizing and noise reducing fan, which can ensure the safety of the patient while providing a quieter treatment environment and a more comfortable experience.

[0032] In some embodiments, the respiratory therapy device includes, but is not limited to, a respirator, a nebulizer, a pulse therapy device, or an oxygen concentrator.

[0033] In summary, the present application provides an airflow stabilizing and noise reducing fan and a respiratory therapy device, the airflow stabilizing and noise reducing fan has a housing body having an accommodation cavity with a partition member provided therein, the partition member divides the accommodation cavity into a main body region and an airflow stabilizing and noise reducing region, a detachable airflow stabilizing and noise reducing member is provided in the airflow stabilizing and noise reducing region, the airflow stabilizing and noise reducing member is provided with a number of airflow stabilizing and noise reducing through holes, the number of the airflow stabilizing and noise reducing through holes are used to stabilize the airflow to the main body region and reduce noise, the flow path of the airflow can be further optimized, and the noise and vibration during the operation process of the airflow stabilizing and noise reducing fan can also be effectively reduced, improving the comfort of patients when undergoing respiratory therapy.

[0034] It should be understood that the application of the present application is not limited to the above examples, and that a person skilled in the art can improve or modify the present application in accordance with the above description, and that all such improvements and modifications are included in the scope of the attached utility model claims of the present application. [Explanation of symbols]

[0035] 10 Airflow stabilization and noise reduction fan 11 Housing body 111 Partition material 1111 Body area 1112 Airflow stabilization and noise reduction area 1113 Air flow stabilization and noise reduction materials 1114 Airflow stabilization and noise reduction through holes 1115 Circular transition segment 1116 1st Insertion Slot 1117 Second Insertion Slot 1118 Air outlet pipe 12 Housing bottom plate 13 Air inlet cavity 131 Air inlet hole 132 Slow Flow Spacer 133 Airflow Ascending Passage 14 Cushioning sheet 15 Worm Gear Machine 152 Buffer sleeve 16 Top cover

Claims

1. A fan capable of stabilizing airflow and reducing noise for use in a respiratory therapy device, comprising: a housing main body having an accommodation cavity with a partition member provided therein, the partition member dividing the accommodation cavity into a main body region and an airflow stabilization / noise reduction region; an airflow stabilization and noise reduction member detachably provided in the airflow stabilization and noise reduction area, Here, the airflow stabilization / noise reduction fan is characterized in that a plurality of airflow stabilization / noise reduction through holes are provided in the airflow stabilization / noise reduction member, and all of the plurality of airflow stabilization / noise reduction through holes are used to stabilize the airflow and reduce noise.

2. 2. The fan according to claim 1, wherein a cross section of the plurality of airflow stabilizing and noise reducing through holes is set to a hexagon, a rectangle or a polygon.

3. 2. The fan capable of stabilizing airflow and reducing noise as claimed in claim 1, wherein the openings of the plurality of airflow stabilizing and noise reducing through-holes are surrounded by arc-shaped transition segments, and the arc-shaped transition segments are used to reduce gas turbulence.

4. The airflow stabilizing and noise reducing fan of claim 3, characterized in that a first insertion slot is provided on an inner wall of the airflow stabilizing and noise reducing area, a second insertion slot corresponding to the first insertion slot is provided on a side of the partition member away from the main body area, and both the first insertion slot and the second insertion slot are used to fix the airflow stabilizing and noise reducing member.

5. 4. The fan capable of stabilizing airflow and reducing noise as claimed in claim 3, wherein the fan further comprises a housing bottom plate, the housing bottom plate being detachably attached to the bottom of the housing body, and the housing bottom plate is used to increase the contact area with a floor surface.

6. 6. The fan capable of stabilizing airflow and reducing noise as claimed in claim 5, wherein the housing bottom plate and the housing main body are surrounded to form an air inlet cavity, an air inlet hole is opened in the air inlet cavity, the air inlet hole is used to allow air to enter the air inlet cavity, a gentle flow spacer is provided in the air inlet cavity, and a longitudinal section of the gentle flow spacer is teardrop-shaped.

7. an air flow ascending passage is provided on a side of the air inlet cavity close to the air inlet hole; 7. The fan capable of stabilizing airflow and reducing noise as claimed in claim 6, wherein after the gas enters through the air inlet hole, the airflow speed is slowed down by the slow-flow spacer, and then the gas enters the main body region through the airflow ascending passage.

8. The fan capable of stabilizing airflow and reducing noise is: A cushioning sheet fixedly disposed in the main body region; 8. The fan capable of stabilizing airflow and reducing noise as claimed in claim 7, further comprising: a worm gear machine detachably attached to the buffer sheet, the worm gear machine having a worm gear outlet, a buffer sleeve provided at the worm gear outlet, the buffer sleeve protruding from the partition member, at least a portion of the buffer sleeve being located in the airflow stabilization and noise reduction area, and the worm gear machine being used to pressurize gas in the main body area and discharge it to the airflow stabilization and noise reduction area.

9. The fan capable of stabilizing airflow and reducing noise further includes an upper cover, a shape of the upper cover being adapted to the housing body, the upper cover being used to seal the accommodating cavity, an upper seal ring being provided between the upper cover and the accommodating cavity, the upper seal ring being used to enhance airtightness between the upper cover and the accommodating cavity, a lower seal ring being provided between the housing bottom plate and the air inlet cavity, the lower seal ring being used to enhance airtightness between the housing bottom plate and the air inlet cavity, 9. The fan according to claim 8, wherein an air outlet pipe is provided on the outside of the housing body, the air outlet pipe being provided in communication with the air flow stabilization and noise reduction area.

10. A respiratory therapy device comprising a fan capable of stabilizing airflow and reducing noise according to any one of claims 1 to 9.

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