Filtering device with fan

Abstract

The utility model relates to the technical field of dust removal and filtration, and discloses a filter device with a fan, which comprises a shell, an accommodating cavity is arranged in the shell, an air inlet is arranged at the top end of the shell, the fan is fixedly arranged at the air inlet, a sound absorption part is arranged on the inner wall of the shell, and an air outlet is arranged at the bottom of the shell; the arc-shaped flow guide plates are fixedly arranged at the bottom end of the fan, one sides of the arc-shaped flow guide plates extend towards the inner wall of the shell, and the arc-shaped surfaces of the arc-shaped flow guide plates obliquely upwards face the sound absorption part; the high-efficiency filter is detachably connected to the air outlet opening; the sound absorption part is arranged on the inner wall of the shell, and the arc-shaped flow guide plates are arranged at the bottom end of the fan, so that air can be guided to the sound absorption part by the arc-shaped flow guide plates when flowing, noise generated when the fan runs is effectively reduced, meanwhile, the air flowing path is optimized by the arc-shaped flow guide plates, the air flowing path is smoother, and the service life of the fan is prolonged. And the generation of eddy current is reduced, so that the generation of noise is further reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of dust removal and filtration, in particular to a filtering device with a fan. Background Art

[0002] Clean rooms are increasingly used in modern industrial production, especially in industries with extremely high requirements for air cleanliness, such as semiconductor manufacturing, biomedicine, precision instrument manufacturing, etc. Clean rooms remove pollutants such as particulate matter, harmful air, bacteria, etc. in the air within a certain space, and control the indoor temperature, cleanliness, indoor pressure, airflow speed and distribution, noise and vibration within a specific range.

[0003] The filtering device in the clean room needs to run for a long time and process a large amount of flowing air. The existing clean room filtering device usually uses sound insulation material to reduce noise. Although it can reduce some noise, it increases the weight and volume of the device, which brings certain restrictions to the layout of the clean room.

[0004] Therefore, it is necessary to provide a filtering device with a fan to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a filtering device with a fan to solve the technical problems mentioned in the background technology.

[0006] The utility model adopts the following technical solutions:

[0007] A filtering device with a fan, comprising:

[0008] A shell, wherein a accommodating chamber is arranged in the shell and an air inlet is opened at the top of the shell, a fan is fixedly arranged at the air inlet, wherein a sound absorbing part is arranged on the inner wall of the shell, and an air outlet opening is arranged at the bottom of the shell;

[0009] A plurality of arc-shaped guide plates, wherein the arc-shaped guide plates are fixedly arranged at the bottom end of the fan, one side of the arc-shaped guide plates extends toward the inner wall of the shell and the arc-shaped surface of the arc-shaped guide plates is inclined upward toward the sound absorbing part;

[0010] A high efficiency filter is detachably connected to the air outlet.

[0011] Furthermore, the shell includes an outer shell and a foam shell, the foam shell is arranged inside the outer shell, a gap is arranged between the outer shell and the foam shell and is filled with sound-absorbing cotton, and the sound-absorbing part is opened on the side wall of the foam shell.

[0012] Furthermore, a sealing strip is provided on the inner side of the foam shell, the top end of the high efficiency filter abuts against the bottom end of the foam shell, and the sealing strip is attached to the foam shell and the high efficiency filter.

[0013] Furthermore, a pre-filter assembly is arranged on the side of the air inlet facing away from the air outlet, and the pre-filter assembly includes a support seat and a pre-filter net. The support seat surrounds the air inlet and the support seat is detachably connected to the outer shell. The pre-filter net is arranged in the support seat, and the filter net covers the air inlet.

[0014] Furthermore, an annular groove is provided on the inner side of the support seat, and the pre-filter is clamped in the annular groove so that the pre-filter is detachably connected to the support seat.

[0015] Furthermore, an air inlet cover is detachably connected to the top of the support seat, the top of the air inlet cover closes and covers the air inlet, and air inlet holes are arranged on the surrounding side of the air inlet cover so that airflow enters the pre-filter through the air inlet holes.

[0016] Furthermore, a plurality of buckles are provided at the bottom end of the air inlet cover, a slot corresponding to the buckle is provided at the top end of the support seat, an elastic sheet is fixedly connected to one end of the slot facing the inner side of the air inlet cover, and the elastic sheet abuts against the buckle.

[0017] Furthermore, a receiving groove is provided on one end surface of the air inlet cover facing the shell, sound-absorbing cotton is arranged in the receiving groove, and a blocking bar is arranged at the opening of the receiving groove to fix the sound-absorbing cotton to the air inlet cover.

[0018] Furthermore, the inner side of the foam shell and the surface of the arc-shaped guide plate are coated with an antistatic coating to prevent the adsorption and accumulation of particles due to static electricity.

[0019] Furthermore, a plurality of handles are provided at the top of the shell, and surfaces of the plurality of handles are covered with flexible anti-slip covers.

[0020] Beneficial effects:

[0021] The utility model provides a filtering device with a fan, by arranging a sound absorbing part on the inner wall of a shell and arranging a plurality of arc-shaped guide plates at the bottom end of the fan, so that the air can be guided to the sound absorbing part by the arc-shaped guide plates when flowing, thereby effectively reducing the noise generated when the fan is running; at the same time, the arc-shaped guide plates optimize the flow path of the air, making the air flow path smoother, reducing the generation of eddy currents, and thus further reducing the generation of noise; compared with the traditional method of wrapping the outside with sound insulation material, the noise reduction effect can be achieved more efficiently, making the overall structure of the device more compact, and convenient for flexible layout and installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] FIG1 is a schematic cross-sectional view of a filter device with a fan according to the present invention;

[0023] FIG2 is a schematic diagram of a partial structure of a filter device with a fan according to the present invention;

[0024] Figure 3 Figure 1 A partial enlarged view of the middle A;

[0025] Figure 4 Figure 1 A partial enlarged view of point B in the middle;

[0026] FIG5 is a schematic diagram of the overall structure of a filter device with a fan according to the present invention.

[0027] Among them: 1. Shell; 101. Air inlet; 102. Sound absorbing part; 103. Outer shell; 104. Foam shell; 105. Sound absorbing cotton; 2. Fan; 3. Arc guide plate; 4. High efficiency filter; 5. Sealing strip; 6. Support seat; 7. Pre-filter; 8. Air inlet cover; 9. Air inlet hole; 10. Buckle; 11. Slot; 12. Elastic sheet; 13. Handle.

[0028] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0029] It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0030] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "several" is two or more, unless otherwise clearly and specifically defined.

[0031] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0032] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0033] 1 to 2, the utility model proposes a filtering device with a fan, comprising: a shell 1, wherein a accommodating chamber is provided in the shell 1 and an air inlet 101 is opened at the top of the shell 1, and a fan 2 is fixedly provided at the air inlet 101; a plurality of arc-shaped guide plates 3, wherein a sound absorbing portion 102 is provided on the inner wall of the shell 1, and the arc-shaped guide plates 3 are fixedly provided at the bottom end of the fan 2, and one side of the arc-shaped guide plates 3 extends toward the inner wall of the shell 1 and the arc-shaped surface of the arc-shaped guide plates 3 is inclined upward toward the sound absorbing portion 102; and a high-efficiency filter 4, wherein an air outlet opening is provided at the bottom of the shell 1, and the high-efficiency filter 4 is detachably connected to the air outlet opening.

[0034] In the above embodiment, the number of the arc-shaped guide plates 3 is at least two, and the arc-shaped guide plates 3 are distributed at equal angles to ensure that the air output of the fan 2 can be evenly distributed on each arc-shaped guide plate 3, further improving the uniformity of air flow and noise reduction effect. At the same time, the arc-shaped surface of the arc-shaped guide plate 3 is designed as a smooth curved surface to reduce the resistance generated by the air during the flow process and further reduce the noise.

[0035] The high efficiency filter 4 is detachable, which is convenient for cleaning and replacement, ensuring the long-term stability and filtering effect of the filter device. The high efficiency filter 4 is made of high-performance filter materials, such as ultra-fine glass fiber filter paper, which can effectively intercept and filter tiny particles and pollutants in the air to ensure the cleanliness of the output air.

[0036] In summary, by arranging a sound absorbing portion 102 on the inner wall of the shell 1 and arranging a plurality of arc-shaped guide plates 3 at the bottom end of the fan 2, the air can be guided to the sound absorbing portion 102 by the arc-shaped guide plates 3 when flowing, thereby effectively reducing the noise generated when the fan 2 is running. At the same time, the arc-shaped guide plates 3 optimize the air flow path, making the air flow path smoother, reducing the generation of eddy currents, and further reducing the generation of noise. Compared with the traditional method of wrapping the sound insulation material on the outside, the noise reduction effect can be achieved more efficiently, making the overall structure of the device more compact, and convenient for flexible layout and installation.

[0037] refer to Figure 3 In one embodiment, the shell 1 includes an outer shell 103 and a foam shell 104, the foam shell 104 is arranged in the outer shell 103, a gap is set between the outer shell 103 and the foam shell 104 and filled with sound-absorbing cotton 105, and the side wall of the foam shell 104 is provided with the sound-absorbing part 102.

[0038] In the above embodiment, the gap between the outer shell 103 and the foam shell 104 is filled with sound-absorbing cotton 105, which can absorb and dissipate sound wave energy, effectively reduce the propagation of sound waves, and further reduce the noise level of the entire device. The sound-absorbing portion 102 opened on the side wall of the foam shell 104 cooperates with the arc-shaped guide plate 3, so that the air can smoothly enter the sound-absorbing portion 102 when flowing, further improving the noise reduction effect. In addition, the foam shell 104 itself also has a certain sound-absorbing effect, and works together with the sound-absorbing cotton 105 and the sound-absorbing portion 102 to form an efficient noise reduction system, so that the noise of the entire filtering device is lower during operation.

[0039] In one embodiment, a sealing strip 5 is provided on the inner side of the foam shell 104 , the top end of the high efficiency filter 4 abuts against the bottom end of the foam shell 104 , and the sealing strip 5 is attached to the foam shell 104 and the high efficiency filter 4 .

[0040] In the above embodiment, a sealing strip 5 is provided between the high efficiency filter 4 and the foam shell 104 to ensure the sealing between the two, prevent air leakage during the filtering process, and thus ensure the filtering effect. At the same time, the sealing strip 5 is made of a soft material to ensure the fit between the high efficiency filter 4 and the foam shell 104, which not only enhances the filtering performance of the filtering device, but also prevents noise leakage from small gaps.

[0041] refer to Figure 1 and Figure 4In one embodiment, a pre-filter assembly is provided on the side of the air inlet 101 facing away from the air outlet, and the pre-filter assembly includes a support seat 6 and a pre-filter screen 7. The support seat 6 surrounds the air inlet 101 and the support seat 6 is detachably connected to the shell 103. The pre-filter screen 7 is arranged in the support seat 6, and the filter screen covers the air inlet 101.

[0042] In the above embodiment, a pre-filter assembly is provided at the air inlet 101, and the assembly is installed by a detachable connection between the support seat 6 and the housing 103, so that the installation and removal of the pre-filter 7 is more convenient. As the first line of defense, the pre-filter 7 can effectively intercept large particles of pollutants and reduce the burden of the high-efficiency filter 4. In addition, the setting of the pre-filter assembly can also prevent the fan 2 from being damaged due to the inhalation of large particles during operation, thereby improving the operating stability and safety of the entire device. At the same time, the pre-filter assembly works in coordination with the fan 2, the arc-shaped guide plate 3 and other components to form a high-efficiency, low-noise filtering system.

[0043] In one embodiment, an annular groove is provided on the inner side of the support seat 6 , and the pre-filter 7 is snapped into the annular groove so that the pre-filter 7 is detachably connected to the support seat 6 .

[0044] In the above embodiment, the annular groove on the inner side of the support seat 6 provides a convenient snap-in method for the pre-filter 7, making the installation and removal process of the pre-filter 7 simpler and faster. In addition, the design of the annular groove also allows the user to select pre-filters 7 of different specifications or materials according to actual needs to meet the filtering needs in different scenarios, further enhancing the flexibility and practicality of the entire filtering device.

[0045] In one embodiment, the top of the support seat 6 is detachably connected to an air inlet cover 8, the top of the air inlet cover 8 is closed and covers the air inlet 101, and the surrounding side of the air inlet cover 8 is provided with an air inlet hole 9 to allow the air flow to enter the pre-filter 7 through the air inlet hole 9.

[0046] In the above embodiment, the air inlet cover 8 covers the top of the air inlet 101, which can form a certain noise interception effect on the air inlet end of the fan 2. Secondly, the air inlet holes 9 on the side of the air inlet cover 8 ensure the smooth entry of the airflow. At the same time, the airflow entering the device can be controlled by adjusting the size and number of the air inlet holes 9 to meet the needs of different usage scenarios. Finally, the detachable connection between the air inlet cover 8 and the support seat 6 makes it convenient for users to clean and replace the air inlet cover 8, so as to keep the entire filter device clean and filter effect.

[0047] In one embodiment, a plurality of buckles 10 are provided at the bottom end of the air inlet cover 8, and a slot 11 corresponding to the buckle 10 is provided at the top end of the support seat 6. An elastic sheet 12 is fixedly connected to one end of the slot 11 facing the inner side of the air inlet cover 8, and the elastic sheet 12 abuts against the buckle 10.

[0048] In the above embodiment, the air inlet cover 8 is connected to the card slot 11 on the support seat 6 through the buckle 10, and the elastic sheet 12 inside the card slot 11 can ensure the tight connection between the buckle 10 and the card slot 11, preventing the air inlet cover 8 from loosening or falling off during use. At the same time, the design of the elastic sheet 12 also allows a certain amount of fine-tuning space for the air inlet cover 8 during installation to ensure that it fits tightly with the support seat 6, which not only facilitates the user to install and disassemble, but also ensures the stability and safety of the entire filtering device during operation.

[0049] In one embodiment, a receiving groove is formed on one end surface of the air inlet cover 8 facing the outer shell 103 , and sound-absorbing cotton 105 is arranged in the receiving groove. A retaining bar is arranged at the opening of the receiving groove to fix the sound-absorbing cotton 105 to the air inlet cover 8 .

[0050] In the above embodiment, the sound-absorbing cotton 105 is filled in the receiving groove opened on the inner end surface of the air inlet cover 8, which can effectively absorb and dissipate the noise generated during the air intake process, making the device run more quietly. The setting of the baffle ensures that the sound-absorbing cotton 105 is fixed in the receiving groove, preventing it from moving or falling off under the impact of airflow, and ensuring the stability of the noise reduction effect.

[0051] In one embodiment, the inner side of the foam shell 104 and the surface of the arc-shaped guide plate 3 are coated with an antistatic coating to prevent the adsorption and accumulation of particles due to static electricity.

[0052] In the above embodiment, the antistatic coating is applied on the inner side of the foam shell 104 and the surface of the arc-shaped guide plate 3, which can significantly reduce the adsorption and accumulation of particles in the filter device by static electricity, thereby avoiding the conduction effect of the airflow and the negative impact on the filtering effect. In addition, the antistatic coating can also reduce the adhesion of particles inside the device, reduce the cleaning frequency of the device, and improve the long-term operating efficiency and stability of the filter device.

[0053] refer to Figure 5 In one embodiment, a plurality of handles 13 are disposed on the top of the housing 103, and surfaces of the plurality of handles 13 are covered with flexible anti-slip covers.

[0054] In the above embodiment, the handle 13 disposed at the top of the housing 103 not only facilitates the movement and transportation of the filter device, but also increases the convenience and safety during operation. The shape of the flexible anti-skid sleeve conforms to ergonomics, making it more comfortable for operators to grasp the handle 13, and can effectively prevent the occurrence of hand slippage, especially in a wet or oily working environment, which can better reflect its anti-skid superiority.

[0055] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A filter device with a fan, characterized in that: include: A shell, wherein a accommodating chamber is arranged in the shell and an air inlet is opened at the top of the shell, a fan is fixedly arranged at the air inlet, wherein a sound absorbing part is arranged on the inner wall of the shell, and an air outlet opening is arranged at the bottom of the shell; A plurality of arc-shaped guide plates, wherein the arc-shaped guide plates are fixedly arranged at the bottom end of the fan, one side of the arc-shaped guide plates extends toward the inner wall of the shell and the arc-shaped surface of the arc-shaped guide plates is inclined upward toward the sound absorbing part; A high efficiency filter is detachably connected to the air outlet.

2. A filter device with a fan according to claim 1, characterized in that: The shell comprises an outer shell and a foam shell, wherein the foam shell is arranged inside the outer shell, a gap is arranged between the outer shell and the foam shell and is filled with sound-absorbing cotton, and the side wall of the foam shell is provided with the sound-absorbing part.

3. A filter device with a fan according to claim 2, characterized in that: A sealing strip is arranged on the inner side of the foam shell, the top end of the high efficiency filter abuts against the bottom end of the foam shell, and the sealing strip is attached to the foam shell and the high efficiency filter.

4. A filter device with a fan according to claim 2, characterized in that: A pre-filter assembly is arranged on the side of the air inlet facing away from the air outlet, and the pre-filter assembly includes a support seat and a pre-filter screen. The support seat surrounds the air inlet and is detachably connected to the shell. The pre-filter screen is arranged in the support seat, and the filter screen covers the air inlet.

5. A filter device with a fan according to claim 4, characterized in that: An annular groove is arranged on the inner side of the support seat, and the pre-filter is clamped in the annular groove so that the pre-filter is detachably connected to the support seat.

6. A filter device with a fan according to claim 5, characterized in that: The top of the support seat is detachably connected with an air inlet cover, the top of the air inlet cover closes and covers the air inlet, and the surrounding side of the air inlet cover is provided with air inlet holes so that the airflow enters the pre-filter through the air inlet holes.

7. A filter device with a fan according to claim 6, characterized in that: The bottom end of the air inlet cover is provided with a plurality of buckles, the top end of the support seat is provided with a slot corresponding to the buckle, one end of the slot facing the inner side of the air inlet cover is fixedly connected with an elastic sheet, and the elastic sheet abuts against the buckle.

8. The filter device with a fan according to claim 6, characterized in that: The air inlet cover is provided with a receiving groove on one end surface facing the shell, and sound-absorbing cotton is arranged in the receiving groove. A blocking bar is arranged at the opening of the receiving groove to fix the sound-absorbing cotton to the air inlet cover.

9. The filter device with a fan according to claim 2, characterized in that: The inner side of the foam shell and the surface of the arc-shaped guide plate are coated with an antistatic coating to prevent static electricity from adsorbing and accumulating particles.

10. The filter device with a fan according to claim 2, characterized in that: A plurality of handles are arranged on the top of the shell, and the surfaces of the plurality of handles are all covered with flexible anti-slip covers.

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