Louver device and ventilation equipment

Abstract

The embodiment of the utility model relates to the technical field of ventilation, in particular to a shutter device and ventilation equipment, which comprise a shell, a first shutter piece and a second shutter piece, and the shell is provided with a first opening and a second opening which are oppositely distributed along a first direction. The first shutter piece and the second shutter piece are arranged in the shell. In the second direction, a plurality of first ventilation ducts are distributed on the first shutter piece, and a plurality of second ventilation ducts are distributed on the second shutter piece. The plurality of first ventilating ducts and the plurality of second ventilating ducts are in one-to-one correspondence, and the first opening, the first ventilating ducts, the second ventilating ducts and the second opening are communicated in sequence. The end, away from the second shutter piece, of the first shutter piece extends downwards to form a first shielding part, and the first shielding part extends into the first ventilation channel and partially shields the first ventilation channel. The first direction is perpendicular to the second direction. According to the shutter device, the waterproof and dustproof effects can be improved under the condition that the requirement for ventilation is met, and the structure is simple.

Description

TECHNICAL FIELD

[0001] The utility model embodiment relates to ventilation technical field, especially a louver device and ventilation equipment. BACKGROUND

[0002] The louver ventilation device is usually arranged on the air outlet of the straight-through ventilation equipment, and is used for achieving the functions of ventilation, waterproofing, dust prevention and the like. The current louver ventilation device is usually single-layer protective louver or labyrinth louver, and the waterproofing and dust prevention effects are not obvious. SUMMARY

[0003] In view of the above problems, the utility model embodiment provides a louver device and ventilation equipment, which overcomes the above problems or at least partially solves the above problems.

[0004] According to an aspect of the utility model embodiment, a louver device is provided, which comprises a shell, a first louver piece and a second louver piece. The shell is provided with a first opening and a second opening which are oppositely distributed along a first direction. The first louver piece and the second louver piece are arranged in the shell. Along a second direction, the first louver piece is distributed with a plurality of first ventilation channels, and the second louver piece is distributed with a plurality of second ventilation channels. The plurality of first ventilation channels and the plurality of second ventilation channels are one-to-one corresponding, and the first opening, the first ventilation channel, the second ventilation channel and the second opening are sequentially communicated. An end of the first louver piece away from the second louver piece extends downward to form a first shielding part, and the first shielding part extends into the first ventilation channel and partially shields the first ventilation channel. The first direction and the second direction are vertically distributed.

[0005] In some embodiments, a first ventilation channel and a corresponding second ventilation channel form a main ventilation channel. The height of the first ventilation channel in the second direction is lower than that of the second ventilation channel in the same main ventilation channel. The first shielding part is located at an end of the first ventilation channel away from the second ventilation channel.

[0006] In some embodiments, along the second direction, the first louver piece comprises a plurality of first louver units, and the second louver piece comprises a plurality of second louver units. Two adjacent first louver units are spaced apart to form a first ventilation channel, and two adjacent second louver units are spaced apart to form a second ventilation channel. The first shielding part is located at an end of the first louver unit away from the second louver unit.

[0007] In some embodiments, an end of the first louver unit away from the first shielding part is provided with a second shielding part, and the second shielding part extends into the first ventilation channel and partially shields the first ventilation channel.

[0008] In some embodiments, the first shielding part and the second shielding part in the same first ventilation channel are respectively arranged on two different first louver units. Along the first direction, the projection of the first shielding part and the projection of the second shielding part in the same first ventilation channel overlap.

[0009] In some embodiments, the second louver unit is bent upwards at one end away from the first louver unit to form a third shielding part, the third shielding part extending into the second air passage and partially shielding the second air passage.

[0010] In some embodiments, the second louver unit is provided with a flow guiding part in the direction close to the first opening, the flow guiding part extending into the first air passage to make the first air passage and the second air passage smoothly connected.

[0011] In some embodiments, the first louver unit comprises a first shielding part, a first louver, a second louver and a second shielding part connected in sequence, the first louver extending upwards and away from the first opening at one end away from the first shielding part, the second louver extending upwards and away from the first opening at one end away from the first louver. And / or, the second louver unit comprises a flow guiding part, a third louver, a fourth louver and a third shielding part connected in sequence, the third louver extending upwards and away from the first opening at one end away from the flow guiding part, the fourth louver extending upwards and away from the first opening at one end away from the third louver.

[0012] In some embodiments, the shell comprises a first side plate and a second side plate oppositely arranged in a third direction, the third direction, the second direction and the first direction being perpendicular to each other. The louver device further comprises a first side baffle fixed to the first side plate and a second side baffle fixed to the second side plate, a plurality of first partitions being arrayed on the first side baffle in the second direction, the plurality of first partitions corresponding to the plurality of second air passages one by one and being located at one end of the second air passages in the third direction, and a plurality of second partitions being arrayed on the second side baffle, the plurality of second partitions corresponding to the plurality of second air passages one by one and being located at the other end of the second air passages in the third direction.

[0013] In some embodiments, the louver device further comprises a mounting plate and a filter, the mounting plate being provided with a third opening, the filter being arranged in the third opening, the filter covering the third opening, the shell being arranged on the mounting plate, the third opening, the filter and the first opening being sequentially connected.

[0014] According to an aspect of the embodiments of the present application, a ventilation device is provided, comprising the above louver device.

[0015] The embodiment of the utility model has the advantages that unlike the prior art, the louver device provided by the embodiment of the utility model comprises a shell, a first louver piece and a second louver piece, and the shell is provided with a first opening and a second opening which are oppositely distributed along a first direction. The first louver piece and the second louver piece are arranged in the shell, and the first louver piece and the second louver piece can ventilate, prevent water and prevent dust. Along a second direction, the first louver piece is provided with a plurality of first ventilation channels, and the second louver piece is provided with a plurality of second ventilation channels. The plurality of first ventilation channels and the plurality of second ventilation channels are one-to-one corresponding, the first opening, the first ventilation channel, the second ventilation channel and the second opening are sequentially communicated, gas in the ventilation equipment can be sequentially discharged to the outside of the ventilation equipment through the second opening, the second ventilation channel, the first ventilation channel and the first opening, and liquid and dust outside the ventilation equipment need to sequentially enter the ventilation equipment through the first opening, the first ventilation channel, the second ventilation channel and the second opening, the combination of the first ventilation channel and the second ventilation channel can increase the difficulty of liquid and dust entering the ventilation equipment, thereby reducing the possibility of liquid and dust entering the ventilation equipment. The first louver piece extends downward at an end away from the second louver piece to form a first shielding part, the first shielding part extends into the first ventilation channel and partially shields the first ventilation channel, the first shielding part can shield liquid and dust, and the possibility of liquid and dust outside the ventilation equipment entering the ventilation equipment through the first ventilation channel can be reduced. The first direction and the second direction are vertically distributed. The louver device of the application combines the first ventilation channel, the second ventilation channel and the first shielding part, can improve the waterproof and dustproof effect under the demand of ventilation, and the structure is relatively simple. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the application, the following will briefly introduce the drawings needed to be used in the embodiments of the application. Obviously, the drawings described below are only some embodiments of the application, and other drawings can be obtained by the drawings without creative labor for those skilled in the art.

[0017] Figure 1 It is the perspective view of the louver device provided by the embodiment of the utility model;

[0018] Figure 2 It is the exploded schematic view of the louver device provided by the embodiment of the utility model;

[0019] Figure 3 It is the exploded schematic view of the louver assembly provided by the embodiment of the utility model;

[0020] Figure 4 It is the structural schematic view of the louver assembly provided by the embodiment of the utility model;

[0021] Figure 5 It is the structural schematic view of the louver assembly provided by the embodiment of the utility model;

[0022] Figure 6 is a structural schematic view of a first side baffle and a second louver provided by an embodiment of the present application;

[0023] Figure 7 is a structural schematic view of a second side baffle and a second louver provided by an embodiment of the present application.

[0024] Reference signs in the detailed description of the embodiments are as follows:

[0025] 100, louver device; 1, mounting plate; 11, third opening; 2, filter; 3, louver assembly; 31, housing; 311, mounting space; 312, first opening; 313, second opening; 314, first side plate; 315, second side plate; 316, top plate; 317, bottom plate; 318, back plate; 32, first louver; 321, first louver unit; 3211, first shielding part; 3212, first blade; 3213, second blade; 3214, second shielding part; 322, first ventilation channel; 33, second louver; 331, second louver unit; 3311, flow guide part; 3312, third blade; 3313, fourth blade; 3314, third shielding part; 332, second ventilation channel; 34, main ventilation channel; 35, inclined plate; 36, first side baffle; 361, first partition plate; 37, second side baffle; 371, second partition plate; 4, first sealing member; 5, fan; X, first direction; Y, second direction; Z, third direction. DETAILED DESCRIPTION

[0026] In order to facilitate the understanding of the present application, the present application will be described in more detail below in conjunction with the drawings and specific embodiments. It should be noted that when an element is described as "fixed to" another element, it can be directly on the other element or one or more intervening elements can be present therebetween. When an element is described as "connected to" another element, it can be directly connected to the other element or one or more intervening elements can be present therebetween. The terms "vertical", "horizontal", "left", "right", and similar expressions used in the specification are only for the purpose of illustration.

[0027] Unless otherwise defined, all technical and scientific terms used in the specification are the same as those commonly understood by one of ordinary skill in the art to which the present application belongs. The terms used in the specification of the present application are only for the purpose of describing specific embodiments and are not intended to limit the present application. The term "and / or" used in the specification includes any and all combinations of one or more related listed items.

[0028] The air outlet of the straight-through ventilation device is usually provided with a louver ventilation device for achieving ventilation, waterproofing, dustproofing and the like. The current louver ventilation device is usually a single-layer protective louver or a labyrinth louver, and the waterproofing and dustproofing effects are not obvious.

[0029] The louver device of the present application combines the first ventilation channel, the second ventilation channel and the first shielding part, and can improve the waterproofing and dustproofing effects while meeting the ventilation requirement, and the structure is relatively simple.

[0030] In order to facilitate the reader to understand the inventive concept of the present application, the specific structure of the louver device is described as follows:

[0031] Please refer to Figures 1 to 4 The louver device 100 includes a louver assembly 3, the louver assembly 3 includes a housing 31, a first louver piece 32 and a second louver piece 33, and the housing 31 is provided with a first opening 312 and a second opening 313 which are relatively distributed along a first direction X. The first louver piece 32 and the second louver piece 33 are arranged in the housing 31, and the first louver piece 32 and the second louver piece 33 can ventilate, waterproof and dustproof. Along a second direction Y, the first louver piece 32 is distributed with a plurality of first ventilation channels 322, and the second louver piece 33 is distributed with a plurality of second ventilation channels 332. The plurality of first ventilation channels 322 and the plurality of second ventilation channels 332 correspond one by one, the first opening 312, the first ventilation channel 322, the second ventilation channel 332 and the second opening 313 are sequentially communicated, and the gas in the ventilation device can be sequentially discharged to the outside of the ventilation device (such as Figure 2 The arrow) through the second opening 313, the second ventilation channel 332, the first ventilation channel 322 and the first opening 312, and the liquid and dust outside the ventilation device need to sequentially pass through the first opening 312, the first ventilation channel 322, the second ventilation channel 332 and the second opening 313 to enter the ventilation device, and the combination of the first ventilation channel 322 and the second ventilation channel 332 can increase the difficulty of the liquid and dust entering the ventilation device, thereby reducing the possibility of the liquid and dust entering the ventilation device. The end of the first louver piece 32 away from the second louver piece 33 extends downward to form a first shielding part 3211, the first shielding part 3211 extends into the first ventilation channel 322 and partially shields the first ventilation channel 322, and the first shielding part 3211 can shield the liquid and dust, and can reduce the possibility of the liquid and dust outside the ventilation device entering the ventilation device through the first ventilation channel 322. The first direction X and the second direction Y are vertically distributed. The louver device 100 of the present application combines the first ventilation channel 322, the second ventilation channel 332 and the first shielding part 3211, and can improve the waterproofing and dustproofing effects while meeting the ventilation requirement, and the structure is relatively simple.

[0032] It should be noted that the louver device 100 is installed at the air outlet of the ventilation device, so the first opening 312 faces the outside of the ventilation device, and the second opening 313 faces the inside of the ventilation device.

[0033] In some embodiments, the shell 31 comprises a top plate 316, a first side plate 314, a bottom plate 317 and a second side plate 315 connected in sequence, the top plate 316 and the bottom plate 317 are oppositely arranged in the second direction Y, the first side plate 314 and the second side plate 315 are oppositely arranged in the third direction Z, the top plate 316, the first side plate 314, the bottom plate 317 and the second side plate 315 jointly enclose a mounting space 311 in communication with the second opening 313 and the first opening 312, the first louver 32 and the second louver 33 are arranged in the mounting space 311. Wherein, the third direction Z, the second direction Y and the first direction X are perpendicular to each other.

[0034] In some embodiments, the louver device 100 further comprises a first sealing member 4 arranged between the mounting plate 1 and the shell 31, which can improve the sealing between the mounting plate 1 and the shell 31, and reduce the possibility of liquid entering the interior of the device through the gap between the mounting plate 1 and the shell 31. In some embodiments, the first sealing member 4 is arranged around the first opening 312 to improve the sealing effect of the first sealing member 4 between the mounting plate 1 and the shell 31. In some embodiments, the first sealing member 4 can be a waterproof rubber strip, and the material of the first sealing member 4 can be rubber or metal.

[0035] In some embodiments, along the second direction Y, the first louver 32 comprises a plurality of first louver units 321, and the second louver 33 comprises a plurality of second louver units 331, two adjacent first louver units 321 are spaced apart to form a first ventilation channel 322, and two adjacent second louver units 331 are spaced apart to form a second ventilation channel 332. The first shielding part 3211 is located at one end of the first louver unit 321 away from the second louver unit 331.

[0036] In some embodiments, a first air duct 322 and a corresponding second air duct 332 are communicated to form a main air duct 34. The first opening 312, the main air duct 34 and the second opening 313 are communicated in sequence, and the plurality of main air ducts 34 facilitate the flow of gas between the first opening 312, the main air duct 34 and the second opening 313, which can enhance the ventilation effect of the louver device 100. The first air duct 322 constituting the same main air duct 34 has a lower height in the second direction Y than the second air duct 332, and the main air duct 34 can form a steep slope structure, which can increase the difficulty of impurities and liquid entering the main air duct 34 from the first opening 312. The first shielding part 3211 is located at one end of the first air duct 322 away from the second air duct 332. In some embodiments, the first air duct 322 and the second air duct 332 forming a main air duct 34 are distributed in a staggered manner, which means that the connection of the first air duct 322 and the second air duct 332 is not completely aligned, and there is a certain angle or distance difference under the condition of communication. This staggered distribution can increase the difficulty of liquid and dust entering the ventilation equipment through the first air duct 322 and the second air duct 332, thereby improving the waterproof and dustproof effect.

[0037] In some embodiments, the two ends of the first louver unit 321 are fixed to the first side plate 314 and the second side plate 315 by pull rivets, respectively, so as to stabilize the first louver unit 321 in the housing 31. The two ends of the second louver unit 331 are fixed to the first side plate 314 and the second side plate 315 by pull rivets, respectively, so as to stabilize the second louver unit 331 in the housing 31.

[0038] In some embodiments, the end of the first louver unit 321 away from the first shielding part 3211 is provided with a second shielding part 3214, which extends into the first air duct 322 and partially shields the first air duct 322. The first shielding part 3211 can shield liquid and dust, which can reduce the possibility of liquid and dust entering the second air duct 332 from the first air duct 322, thereby further reducing the possibility of liquid and dust entering the ventilation equipment.

[0039] In some embodiments, the first shielding part 3211 and the second shielding part 3214 are respectively arranged on two different first louver units 321 in the same first air duct 322. Along the first direction X, the projection of the first shielding part 3211 and the projection of the second shielding part 3214 in the same first air duct 322 overlap, which can reduce the possibility of impurities and liquid outside the ventilation equipment entering the first air duct 322 between the first shielding part 3211 and the second shielding part 3214.

[0040] In some embodiments, the second louver unit 331 is bent upwards at one end away from the first louver unit 321 to form a third shielding part 3314, the third shielding part 3314 extends into the second ventilation channel 332 and partially shields the second ventilation channel 332, the third shielding part 3314 can shield liquid and dust, and can reduce the possibility of liquid and dust entering the ventilation equipment from the second ventilation channel 332.

[0041] In some embodiments, the second louver unit 331 is provided with a flow guide part 3311 in the direction close to the first opening 312, the flow guide part 3311 extends into the first ventilation channel 322 to make the first ventilation channel 322 and the second ventilation channel 332 smoothly connected, so as to improve the efficiency and stability of the gas flow in the main ventilation channel 34.

[0042] In some embodiments, the first louver unit 321 includes a first shielding part 3211, a first louver 3212, a second louver 3213 and a second shielding part 3214 connected in sequence, the first louver 3212 extends upwards and away from the first opening 312 at one end away from the first shielding part 3211, and the second louver 3213 extends upwards and away from the first opening 312 at one end away from the first louver 3212, so as to form a steep slope structure of the first ventilation channel 322, and increase the difficulty of impurities and liquid entering the first ventilation channel 322 from the first opening 312.

[0043] In some embodiments, the second louver unit 331 includes a flow guide part 3311, a third louver 3312, a fourth louver 3313 and a third shielding part 3314 connected in sequence, the third louver 3312 extends upwards and away from the first opening 312 at one end away from the flow guide part 3311, and the fourth louver 3313 extends upwards and away from the first opening 312 at one end away from the third louver 3312, so as to form a steep slope structure of the second ventilation channel 332, and increase the difficulty of impurities and liquid entering the second ventilation channel 332 from the first ventilation channel 322.

[0044] In some embodiments, please refer to Figure 3 and Figure 5 , the housing 31 is provided with an inclined plate 35, the inclined plate 35 is located below the first louver 32 and the second louver 33 and communicates with the installation space 311, and one end of the inclined plate 35 extending downwards communicates with the first opening 312. The liquid of the first louver 32 and the second louver 33 can flow downwards to the inclined plate 35, and the liquid flowing to the inclined plate 35 can be guided to flow out of the first opening 312 by the inclined plate 35. In some embodiments, the inclined plate 35 can be the bottom plate 317 of the housing 31.

[0045] In some embodiments, please refer to Figure 3 , Figure 6 andFigure 7 The louver assembly 3 further comprises a first side baffle 36 fixed to the first side plate 314 and a second side baffle 37 fixed to the second side plate 315. The first side baffle 36 has a plurality of first partitions 361 arrayed thereon in the second direction Y, and the plurality of first partitions 361 correspond to the plurality of second air passages 332 one by one and are located at one end of the second air passages 332 in the third direction Z. The second side baffle 37 has a plurality of second partitions 371 arrayed thereon, and the plurality of second partitions 371 correspond to the plurality of second air passages 332 one by one and are located at the other end of the second air passages 332 in the third direction Z. The first partitions 361 can support the second louver units 331, and the first partitions 361 can block the liquid and dust in the second air passages 332 from entering the gap between the second louver units 331 and the first side plate 314. The second partitions 371 can support the second louver units 331, and the second partitions 371 can block the liquid and dust in the second air passages 332 from entering the gap between the second louver units 331 and the second side plate 315. The combination of the first partitions 361 and the second partitions 371 can improve the support effect on the second louver units 331. In some embodiments, the first partitions 361 extend into the second air passages 332 to further support the second louver units 331 and can assist in positioning the second louver units 331 during installation. The second partitions 371 extend into the second air passages 332 to further support the second louver units 331 and can assist in positioning the second louver units 331 during installation. In some embodiments, the first side baffle 36 is fixed to the first side plate 314 by a pull rivet, and the second side baffle 37 is fixed to the second side plate 315 by a pull rivet.

[0046] In some embodiments, referring to Figures 1 to 3 The louver device 100 further comprises a mounting plate 1 and a filter 2. The mounting plate 1 is provided with a third opening 11, and the filter 2 is arranged in the third opening 11. The filter 2 covers the third opening 11, and the housing 31 is arranged on the mounting plate 1. The mounting plate 1 can assist the louver assembly 3 to be installed in the air inlet of the ventilation equipment. The third opening 11, the filter 2, and the first opening 312 are sequentially communicated, and the filter 2 can reduce the possibility of large-particle impurities and liquid entering the ventilation equipment through the third opening 11. In some embodiments, the housing 31 is fixed to the mounting plate 1 by cooperation of screws and nuts. The number of screws and nuts can be multiple, and the multiple screws and nuts surround the first opening 312 to improve the stability of the housing 31. In some embodiments, the filter 2 can be a metal mesh or filter paper. In some embodiments, the filter 2 is a steel wire mesh, and the filter 2 is welded to the mounting plate 1.

[0047] In some embodiments, the shell 31 comprises a back plate 318 away from the first opening 312 in the first direction X, the back plate 318 is provided with a second opening 313, the second opening 313 is provided with a fan 5, the fan 5 is used to discharge the gas in the ventilation equipment through the second opening 313 to the main ventilation duct 34 and then to the outside of the ventilation equipment. In some embodiments, the number of second openings 313 is multiple, the multiple second openings 313 are arrayed on the back plate 318, and the number of fans 5 is multiple, the multiple fans 5 and the multiple second openings 313 are one-to-one corresponding.

[0048] The utility model also provides a kind of ventilation equipment embodiment, the ventilation equipment includes above-mentioned louver device 100, the function and structure of louver device 100 can refer to above-mentioned embodiment, here no longer one by one elaboration.

[0049] It should be noted that the specification and drawings of the utility model give the preferred embodiments of the utility model, but the utility model can be realized by many different forms, and is not limited to the embodiments described in the specification, and these embodiments are not as additional limitation to the content of the utility model, and the purpose of providing these embodiments is to make the understanding of the disclosure of the utility model more thorough and comprehensive. And, the above technical features continue to combine, form various embodiments not listed above, which are regarded as the range of the utility model specification; further, for those skilled in the art, the above description can be improved or changed, and all these improvements and changes should belong to the protection scope of the utility model claims.

Claims

1. A louver device, characterized in that, include: The housing is provided with a first opening and a second opening that are relatively distributed along a first direction; The first louver and the second louver are disposed inside the housing; Along the second direction, the first louver has multiple first ventilation channels, and the second louver has multiple second ventilation channels. Multiple first ventilation ducts and multiple second ventilation ducts correspond one-to-one, and the first opening, the first ventilation duct, the second ventilation duct, and the second opening are connected in sequence; The end of the first louver that is away from the second louver extends downward to form a first shielding part, which extends into the first ventilation duct and partially shields the first ventilation duct. The first direction and the second direction are perpendicularly distributed.

2. The louver device according to claim 1, characterized in that, The first ventilation duct and the corresponding second ventilation duct are connected to form a main ventilation duct; the height of the first ventilation duct forming the same main ventilation duct is lower than that of the second ventilation duct in the second direction; the first shielding part is located at the end of the first ventilation duct away from the second ventilation duct.

3. The louver device according to claim 2, characterized in that, Along the second direction, the first louver includes a plurality of first louver units, the second louver includes a plurality of second louver units, two adjacent first louver units are spaced apart to form the first ventilation duct, and two adjacent second louver units are spaced apart to form the second ventilation duct; The first blocking part is located at the end of the first louver unit that is away from the second louver unit.

4. The louver device according to claim 3, characterized in that, The first louver unit has a second shielding part at the end away from the first shielding part. The second shielding part extends into the first ventilation duct and partially blocks the first ventilation duct.

5. The louver device according to claim 4, characterized in that, Within the same first ventilation duct, the first shielding part and the second shielding part are respectively disposed on two different first louver units, one above the other; Along the first direction, the projections of the first shielding portion and the second shielding portion overlap within the same first ventilation duct.

6. The louver device according to claim 3, characterized in that, The end of the second louver unit away from the first louver unit is bent upward to form a third blocking part, which extends into the second ventilation duct and partially blocks the second ventilation duct.

7. The louver device according to claim 3, characterized in that, The second louver unit is provided with a flow guide in the direction of the first opening, and the flow guide extends into the first ventilation duct so that the first ventilation duct and the second ventilation duct are smoothly connected.

8. The louver device according to claim 3, characterized in that, The first louver unit includes a first blocking part, a first blade, a second blade, and a second blocking part that are bent and connected in sequence. The end of the first blade away from the first blocking part is inclined upward and extends in a direction away from the first opening. The end of the second blade away from the first blade is inclined upward and extends in a direction away from the first opening. And / or, The second louver unit includes a guide section, a third blade, a fourth blade, and a third blocking section that are connected in sequence by bending. The end of the third blade away from the guide section is inclined upward and extends in a direction away from the first opening. The end of the fourth blade away from the third blade is inclined upward and extends in a direction away from the first opening.

9. The louver device according to claim 3, characterized in that, The housing includes a first side plate and a second side plate disposed opposite each other in a third direction, wherein the third direction, the second direction and the first direction are perpendicular to each other; The louver device further includes a first side baffle fixed to the first side plate and a second side baffle fixed to the second side plate. Along the second direction, a plurality of first partitions are arrayed on the first side baffle, and the plurality of first partitions correspond one-to-one with a plurality of second ventilation channels and are located at one end of the second ventilation channel in the third direction. A plurality of second partitions are arrayed on the second side baffle, and the plurality of second partitions correspond one-to-one with a plurality of second ventilation channels and are located at the other end of the second ventilation channel in the third direction.

10. The louver device according to claim 1, characterized in that, The louvered device further includes a mounting plate and a filter element. The mounting plate is provided with a third opening, the filter element is disposed in the third opening and covers the third opening, and the housing is disposed on the mounting plate. The third opening, the filter element and the first opening are sequentially connected.

11. A ventilation device, characterized in that, Includes the louvered device as described in any one of claims 1-10.

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