Low-noise fan filter unit capable of discharging gas uniformly

Abstract

The utility model discloses a low-noise fan filter unit capable of discharging gas uniformly, which belongs to the technical field of fan filtration and comprises a filter body, a noise reduction component and a gas inlet component, the noise reduction component is mounted at the rear end of the filter body, and the gas inlet component is mounted at the rear end of the noise reduction component. The noise reduction assembly comprises a mounting part and a noise reduction part; the noise reduction part comprises an air inlet pipe, two air conveying pipes, a plurality of air outlet pipes and two sound insulation plates, the two sound insulation plates are arranged front and back on the inner side of the installation part and divide the installation part into a front cavity, a middle cavity and a rear cavity, and a plurality of sound outlet holes are formed in the outer side of the part, located in the middle cavity, of the air inlet pipe and are evenly distributed. By means of the mode, noise is isolated and absorbed through the sound insulation plate, generated noise is reduced, the use experience is improved, meanwhile, gas conveying is not affected by the arrangement of the gas inlet pipe, the gas conveying pipe and the gas outlet pipes, and the gas outlet pipes are evenly distributed, so that exhausted gas is evenly distributed.

Description

TECHNICAL FIELD

[0001] The utility model relates to fan filter technology field, concretely relates to a low noise fan filter unit that gas is even discharged. BACKGROUND

[0002] Fan filter unit usually refers to the equipment unit that combines fan and filter in ventilation, air conditioning or air purification system, and the main function is to suck air through fan and remove particulate matter, pollutants and other harmful substances in air through filter, thereby improving indoor air quality.

[0003] Such as Chinese patent application CN118224107A discloses a novel fan filter unit, including the box body that bottom is open, two hinged on the box body and open box cover, install the fan on the box cover, connect the supporting plate below the box cover, the high efficiency filter is located in the box body and below the supporting plate;The front and rear of the supporting plate is equipped with the multiple fish tail flow guide pages that are centrally symmetric, two groups of multiple fish tail flow guide pages are arranged around the fan below, the multiple fish tail flow guide pages include the first page, the second page, the third page, the fourth page that are sequentially inclined clockwise.

[0004] However, the novel fan filter unit uses, the noise generated when the fan runs does not undergo any processing, spreads with gas together, and is transmitted out through the filter, so that noise pollution is generated in the running environment, and the use experience is poor.

[0005] Based on this, the utility model discloses a kind of low noise fan filter units that gas is even discharged to solve above-mentioned problem. UTILITY MODEL CONTENT

[0006] In view of the above-mentioned shortcomings of prior art, the utility model provides a low noise fan filter unit that gas is even discharged.

[0007] To achieve the above object, the utility model is realized by the following technical solutions:

[0008] A low noise fan filter unit that gas is even discharged, comprising a filter main body, further comprising a noise reduction assembly and an air inlet assembly;

[0009] The filter main body rear end is installed with the noise reduction assembly for noise reduction, and the noise reduction assembly rear end is installed with the air inlet assembly for air inlet;

[0010] The noise reduction assembly comprises a mounting component for fixed installation and a noise reduction component for noise reduction treatment, and the mounting component is connected with the filter main body and the air inlet assembly, and the noise reduction component is installed on the inner side of the mounting component;

[0011] The noise reduction component includes an air inlet pipe, two air conveying pipes, multiple air outlet pipes and two sound insulation boards, the two sound insulation boards are arranged in front and back and installed on the inner side of the mounting component, the two sound insulation boards divide the mounting component into a front cavity, a middle cavity and a rear cavity, one end of the air conveying pipe penetrates through the rear end of the mounting component, the other end of the air conveying pipe penetrates through the two sound insulation boards and extends to the front cavity, the two air conveying pipes are symmetrically arranged upward and downward, the air conveying pipe penetrates through the two sound insulation boards to communicate the front cavity and the rear cavity, the multiple air outlet pipes are uniformly distributed on the outer side of the air inlet pipe, one end of the air outlet pipe penetrates through the front end of the mounting component, the other end of the air outlet pipe penetrates through the two sound insulation boards and extends to the rear cavity, multiple sound outlet holes are arranged on the outer side of the middle cavity of the air inlet pipe, and the multiple sound outlet holes are uniformly distributed.

[0012] Further, the filter body includes a filter, a mounting plate and an outer connecting frame, the mounting plate is fixedly installed on the outer side of the filter, and the outer connecting frame is fixedly installed on the rear end of the filter.

[0013] Further, the filter is arranged from rear to front in the filtering direction, and multiple through holes for mounting are arranged on the mounting plate.

[0014] Further, the filter is a commercially available FUU chemical filter.

[0015] Further, the mounting component includes an outer shell, an inner connecting frame and a rear cover, the inner connecting frame is fixedly installed on the front end of the outer shell, the rear end of the outer shell is fixedly connected with the rear cover, the inner side of the outer shell is fixedly connected with the two sound insulation boards, multiple through holes matched with the air outlet pipes are arranged on the front end of the outer shell, the outer shell is fixedly connected with the air outlet pipes in communication, the rear cover is provided with a through hole matched with the air conveying pipe, the rear cover is connected with the air conveying pipe in close fit, the outer side of the inner connecting frame is fixedly connected with the outer connecting frame, and the rear end of the rear cover is connected with the air inlet assembly.

[0016] Further, a sealing ring is arranged between the outer connecting frame and the inner connecting frame, the outer connecting frame and the inner connecting frame are fixedly connected through bolts, multiple bosses are fixedly arranged on the outer side of the outer shell and the rear cover, and the outer shell and the rear cover are fixedly connected through the bosses and the bolts.

[0017] Further, the air inlet assembly includes a fan, a coarse filter screen and multiple clamping components, the fan is fixedly installed on the rear end of the rear cover, the coarse filter screen is composed of a filter screen shell and a screen surface, the screen surface is fixedly installed on the inner side of the filter screen shell, and the coarse filter screen is installed on the rear end of the fan through the multiple clamping components.

[0018] Further, the output direction of the fan is arranged from rear to front, the air outlet of the fan is correspondingly located at the rear of the air conveying pipe, and the air inlet of the fan is correspondingly located at the front of the coarse filter screen.

[0019] Further, the fan is a commercially available low-noise centrifugal fan.

[0020] Further, the plurality of clamping components are evenly arranged outside the fan and the coarse filter screen respectively, the clamping component comprises a clamping column and a clamping block, a ring table is fixedly arranged outside the air inlet at the rear end of the fan, a plurality of clamping grooves are evenly arranged outside the ring table of the fan, the clamping groove is an L-shaped groove, the clamping column is fixedly arranged in the longer end of the clamping groove in correspondence, and the clamping block is fixedly arranged inside the filter screen shell of the coarse filter screen.

[0021] Compared with the prior art, the utility model has the advantages that: 1. The noise is isolated and absorbed by the soundproof board, the generated noise is reduced, the use experience is improved, the setting of the air inlet pipe, the gas conveying pipe and the air outlet pipe does not affect the conveying of the gas, the gas is uniformly distributed through the uniform distribution of the plurality of air outlet pipes;

[0022] 2. The detachable connection between the outer connecting frame and the inner connecting frame and the detachable connection between the shell and the rear cover facilitate the regular cleaning of the air inlet pipe, the gas conveying pipe and the air outlet pipe, reduce the accumulation of dust and impurities, and improve the noise reduction effect;

[0023] 3. The setting of the clamping groove, the clamping column and the clamping block enables the coarse filter screen to be conveniently clamped at the rear end of the fan, facilitating the disassembly, replacement or cleaning of the coarse filter screen. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0025] Figure 1 It is a perspective view of a low-noise fan filter unit of the utility model for uniformly discharging gas.

[0026] Figure 2 It is a front view of a low-noise fan filter unit of the utility model for uniformly discharging gas.

[0027] Figure 3 It is a left view of a low-noise fan filter unit of the utility model for uniformly discharging gas.

[0028] Figure 4 It is a perspective view along the A-A direction of Figure 2 .

[0029] Figure 5 It is a sectional view along the A-A direction of Figure 2 .

[0030] Figure 6The utility model discloses a low -noise fan filter unit of even gas output's disassembly drawing,

[0031] Figure 7 It is the perspective drawing of the utility model's air inlet subassembly,

[0032] Figure 8 For Figure 7 The enlarged view of B in the middle.

[0033] The reference numerals in the drawing respectively represent:

[0034] 1. filter main body;11. filter;12. mounting plate;13. outer connecting frame;2. noise reduction assembly;21. mounting component;211. shell;212. inner connecting frame;213. back cover;22. noise reduction component;221. air inlet pipe;222. gas conveying pipe;223. air outlet pipe;224. sound insulation board;225. sound hole;3. air inlet subassembly;31. fan;32. coarse filter screen;33. clamping groove;34. clamping column;35. clamping block. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical scheme and advantage of the utility model embodiment more clear, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings in the utility model embodiment. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the protection scope of the utility model.

[0036] In the following description, "left", "right", "front", "back", "up", "down" are oriented with the perspective direction of the front view.

[0037] Embodiment one: in some embodiments, please refer to the accompanying drawings of the specification Figures 1-8 A low -noise fan filter unit of even gas output, comprising filter main body 1, still includes noise reduction assembly 2 and air inlet subassembly 3;

[0038] The filter main body 1 rear end is installed for the noise reduction noise reduction assembly 2, and the noise reduction assembly 2 rear end is installed for the air inlet air inlet subassembly 3;

[0039] The noise reduction assembly 2 includes the mounting component 21 for installation and the noise reduction component 22 for noise reduction treatment, and the mounting component 21 is connected with the filter main body 1 and air inlet subassembly 3, and the noise reduction component 22 is installed in the inside of mounting component 21;

[0040] The noise reduction component 22 comprises an air inlet pipe 221, two air conveying pipes 222, a plurality of air outlet pipes 223, and two sound insulation boards 224 arranged in front of and behind the inside of the mounting component 21, which divides the mounting component 21 into a front cavity, a middle cavity, and a rear cavity. One end of the air conveying pipe 222 penetrates through the rear end of the mounting component 21, and the other end of the air conveying pipe 222 extends to the front cavity through the two sound insulation boards 224. The two air conveying pipes 222 are symmetrically arranged above and below. The air conveying pipe 222 penetrates through the two sound insulation boards 224 to communicate the front cavity and the rear cavity. The plurality of air outlet pipes 223 are uniformly distributed outside the air inlet pipe 221. One end of the air outlet pipe 223 penetrates through the front end of the mounting component 21, and the other end of the air outlet pipe 223 extends to the rear cavity through the two sound insulation boards 224. A plurality of sound holes 225 are arranged outside the middle cavity of the air inlet pipe 221, and the plurality of sound holes 225 are uniformly distributed.

[0041] In normal use of the low-noise fan filter unit with uniform gas exhaust, the air inlet assembly 3 is started to deliver gas to the air inlet pipe 221, the air conveying pipe 222 delivers the gas to the front cavity, the gas in the front cavity is delivered to the rear cavity through the two air conveying pipes 222, the gas in the rear cavity is delivered to the space between the filter main body 1 and the mounting component 21 through the air outlet pipe 223, and the gas is exhausted after being filtered by the filter main body 1. At the same time, the noise enters the middle cavity through the sound holes 225 outside the air conveying pipe 222 and repeatedly bounces between the two sound insulation boards 224. The noise is isolated and absorbed by the sound insulation boards 224, which reduces the generated noise and improves the use experience. At the same time, the arrangement of the air inlet pipe 221, the air conveying pipe 222, and the air outlet pipe 223 does not affect the delivery of the gas, and the uniform distribution of the plurality of air outlet pipes 223 makes the exhaust gas uniformly distributed.

[0042] In some embodiments, as shown in Figure 2 、 Figure 4 and Figure 6 , as a preferred embodiment of the utility model, the filter main body 1 comprises a filter 11, a mounting plate 12, and an outer connecting frame 13. The mounting plate 12 is fixedly installed outside the filter 11, and the outer connecting frame 13 is fixedly installed at the rear end of the filter 11. The inner side of the outer connecting frame 13 is connected with the mounting component 21.

[0043] The filter direction of the filter 11 is arranged from rear to front, and a plurality of through holes for mounting are arranged on the mounting plate 12.

[0044] The filter 11 is a commercially available FUU chemical filter.

[0045] The mounting component 21 comprises a shell 211, an inner connecting frame 212 and a rear cover 213, the inner connecting frame 212 is fixedly installed at the front end of the shell 211, the rear end of the shell 211 is fixedly connected with the rear cover 213, the inner side of the shell 211 is fixedly connected with two soundproof plates 224, a plurality of through holes for cooperating with the air outlet pipes 223 are formed at the front end of the shell 211, the shell 211 is fixedly connected in communication with the air outlet pipes 223, the rear cover 213 is provided with a through hole for cooperating with the air conveying pipe 222, the rear cover 213 is connected in close communication with the air conveying pipe 222, the outer side of the inner connecting frame 212 is fixedly connected with the outer connecting frame 13, and the rear end of the rear cover 213 is connected with the air inlet assembly 3.

[0046] A sealing ring is arranged between the outer connecting frame 13 and the inner connecting frame 212, the outer connecting frame 13 and the inner connecting frame 212 are fixedly connected through bolts, and a plurality of bosses are fixedly arranged on the outer sides of the shell 211 and the rear cover 213.

[0047] During normal use of the low-noise fan filter unit with uniform gas exhaust, the equipment is installed at a specified position by using the mounting plate 12, the filter 11 is sealedly connected with the inner connecting frame 212 by using the outer connecting frame 13, and after a certain period of use, the shell 211 and the rear cover 213 are disassembled through bolts, the air inlet pipe 221, the air conveying pipe 222 and the air outlet pipe 223 are cleaned, the outer connecting frame 13 and the inner connecting frame 212 are detachable, and the shell 211 and the rear cover 213 are detachable, so that the air inlet pipe 221, the air conveying pipe 222 and the air outlet pipe 223 can be regularly cleaned, the accumulation of dust and impurities is reduced, and the noise reduction effect is improved.

[0048] In some embodiments, as shown in Figures 1-8 The air inlet assembly 3 comprises a fan 31, a coarse filter screen 32 and a plurality of clamping components, the fan 31 is fixedly installed at the rear end of the rear cover 213, the coarse filter screen 32 is composed of a filter screen shell and a screen surface, the screen surface is fixedly installed at the inner side of the filter screen shell, and the coarse filter screen 32 is installed at the rear end of the fan 31 through the plurality of clamping components.

[0049] The output direction of the fan 31 is arranged from rear to front, the air outlet of the fan 31 corresponds to the rear of the air conveying pipe 222, and the air inlet of the fan 31 corresponds to the front of the coarse filter screen 32.

[0050] The fan 31 is a commercially available low-noise centrifugal fan.

[0051] The plurality of clamping components are evenly arranged outside the fan 31 and the coarse filter screen 32, respectively, and the clamping components include clamping columns 34 and clamping blocks 35; an annular flange is fixedly arranged outside the air inlet at the rear end of the fan 31; a plurality of clamping grooves 33 are evenly arranged outside the annular flange of the fan 31; the clamping grooves 33 are L-shaped grooves; the clamping columns 34 are fixedly arranged in the longer end of the clamping grooves 33; and the clamping blocks 35 are fixedly arranged inside the filter screen shell of the coarse filter screen 32; and a recessed groove is arranged inside the clamping block 35 to clamp the clamping column 34.

[0052] During normal use of the low-noise fan filter unit with uniform gas exhaust, the clamping blocks 35 are respectively aligned with the shorter side of the clamping grooves 33, and then the coarse filter screen 32 is pushed forward to be attached to the annular flange of the fan 31; the coarse filter screen 32 is rotated, and the clamping blocks 35 are driven to rotate along the longer side of the clamping grooves 33; the clamping blocks 35 are clamped with the clamping columns 34; and the clamping grooves 33, the clamping columns 34 and the clamping blocks 35 are arranged to enable the coarse filter screen 32 to be conveniently clamped at the rear end of the fan 31, and facilitate disassembly, replacement or cleaning of the coarse filter screen 32.

[0053] The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements will not change the essence of the corresponding technical solutions out of the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A low noise fan filter unit with uniform gas exhaust comprising a filter body (1) characterized by: Also include noise reduction components (2) and air intake components (3), the filter main body (1) rear end is installed for noise reduction noise reduction components (2), noise reduction components (2) rear end is installed for air intake air intake components (3); The noise reduction components (2) include mounting components (21) for fixed installation and noise reduction components (22) for noise reduction processing, the mounting components (21) are connected with the filter main body (1) and the air intake components (3), and the noise reduction components (22) are installed on the inner side of the mounting components (21); The noise reduction components (22) include an air inlet pipe (221), two air conveying pipes (222), a plurality of air outlet pipes (223) and two sound insulation boards (224), the two sound insulation boards (224) are arranged in front of and behind each other and are installed on the inner side of the mounting components (21), the two sound insulation boards (224) divide the mounting components (21) into a front cavity, a middle cavity and a rear cavity, one end of each air conveying pipe (222) penetrates through the rear end of the mounting components (21), the other end of each air conveying pipe (222) extends to the front cavity through the two sound insulation boards (224), the two air conveying pipes (222) are symmetrically arranged upward and downward, the air conveying pipes (222) penetrate through the two sound insulation boards (224) to communicate the front cavity with the rear cavity, the plurality of air outlet pipes (223) are uniformly distributed on the outer side of the air inlet pipe (221), one end of each air outlet pipe (223) penetrates through the front end of the mounting components (21), and the other end of each air outlet pipe (223) extends to the rear cavity through the two sound insulation boards (224), a plurality of sound holes (225) are formed in the outer side of the middle cavity of the air inlet pipe (221), and the plurality of sound holes (225) are uniformly distributed.

2. The low noise fan filter unit with uniform gas exhaust of claim 1, wherein, The filter main body (1) includes a filter (11), a mounting plate (12) and an outer connecting frame (13), the mounting plate (12) is fixedly installed on the outer side of the filter (11), and the outer connecting frame (13) is fixedly installed at the rear end of the filter (11) and connected with the mounting components (21) on the inner side.

3. The low noise fan filter unit with uniform gas exhaust of claim 2, wherein, The filter (11) is provided in a filter direction from rear to front, and a plurality of through holes for mounting are formed in the mounting plate (12).

4. The low noise fan filter unit with uniform gas exhaust of claim 2, wherein, The filter (11) is a FUU chemical filter.

5. The low noise fan filter unit with uniform gas exhaust of claim 2, wherein, The mounting components (21) include an outer shell (211), an inner connecting frame (212) and a rear cover (213), the inner connecting frame (212) is fixedly installed at the front end of the outer shell (211), the rear end of the outer shell (211) is fixedly connected with the rear cover (213), the inner side of the outer shell (211) is fixedly connected with the two sound insulation boards (224), a plurality of through holes matched with the air outlet pipes (223) are formed in the front end of the outer shell (211), the outer shell (211) is fixedly connected in communication with the air outlet pipes (223), the rear cover (213) is provided with a through hole matched with the air conveying pipes (222), the rear cover (213) is connected in close communication with the air conveying pipes (222), the outer side of the inner connecting frame (212) is fixedly connected with the outer connecting frame (13), and the rear end of the rear cover (213) is connected with the air intake components (3).

6. The low noise fan filter unit with uniform gas exhaust of claim 5, wherein, The outer connecting frame (13) and the inner connecting frame (212) are provided with sealing rings, and are fixedly connected by bolts.

7. The low noise fan filter unit with uniform gas exhaust of claim 5, wherein, The air inlet assembly (3) comprises a fan (31), a coarse filter screen (32) and a plurality of clamping components, the fan (31) is fixedly installed at the rear end of the rear cover (213), the coarse filter screen (32) is composed of a filter screen shell and a screen surface, the screen surface is fixedly installed on the inner side of the filter screen shell, and the coarse filter screen (32) is installed at the rear end of the fan (31) through the plurality of clamping components.

8. The low noise fan filter unit with uniform gas exhaust of claim 7, wherein, The output direction of the fan (31) is arranged from rear to front, the air outlet of the fan (31) is correspondingly located at the rear of the air conveying pipe (222), and the air inlet of the fan (31) is correspondingly located at the front of the coarse filter screen (32).

9. The low noise fan filter unit with uniform gas exhaust of claim 7, wherein, The fan (31) is a low-noise centrifugal fan.

10. The low noise fan filter unit with uniform gas exhaust of claim 7, wherein, The plurality of clamping components are uniformly arranged on the outer sides of the fan (31) and the coarse filter screen (32), the clamping component comprises a clamping column (34) and a clamping block (35), the outer side of the air inlet at the rear end of the fan (31) is fixedly provided with a ring platform, a plurality of clamping grooves (33) are uniformly formed on the outer side of the ring platform of the fan (31), the clamping grooves (33) are L-shaped grooves, the clamping column (34) is correspondingly fixedly installed on the inner side of the longer end of the clamping groove (33), the clamping block (35) is fixedly installed on the inner side of the filter screen shell of the coarse filter screen (32), and a recess groove matched with the clamping column (34) is formed on the inner side of the clamping block (35).

Images