CN111780319A

CN111780319A - Shutter and fresh air system with same

Info

Publication number: CN111780319A
Application number: CN202010601842.8A
Authority: CN
Inventors: 吴继焕
Original assignee: Ningbo Yifule Biotechnology Co ltd
Current assignee: Ningbo Yifule Biotechnology Co ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2020-10-16
Anticipated expiration: 2040-06-28
Also published as: CN111780319B

Abstract

The application relates to a louver and a fresh air system with the louver, which comprises a window frame, a rain shielding plate group, a filter plate group and an air adjusting plate group, wherein the rain shielding plate group, the filter plate group and the air adjusting plate group are arranged on the window frame from outside to inside; the filter plate group comprises a middle frame, and a first air conditioner filter screen, a non-woven fabric filter screen and a second air conditioner filter screen which are arranged on the middle frame from outside to inside; the wind adjusting plate group comprises an inner frame arranged at the inner end of the window frame, a plurality of blades horizontally and rotatably arranged in the middle of the inner frame, and an adjusting component arranged at the side end of the inner frame and used for adjusting the rotation of the blades. This application has and carries out good filtration to the air that blows in indoor, can relax clear up filter plate group, characteristics such as rotation that can be very convenient regulation wind adjusting plate group.

Description

Shutter and fresh air system with same

Technical Field

The utility model belongs to the technical field of indoor air conditioning technique and specifically relates to a shutter and have new trend system of this shutter.

Background

At present, a fresh air system is an independent air processing system consisting of an air supply system and an air exhaust system, and is divided into a pipeline type fresh air system and a pipeline-free fresh air system. The ductless fresh air system consists of a fresh air fan and pipeline fittings, and is used for purifying outdoor air and leading the outdoor air into a room and discharging the indoor air through a pipeline. Relatively speaking, the pipeline type fresh air system is more suitable for being used in industrial or large-area office areas due to large engineering quantity, and the pipeline-free fresh air system is more suitable for being used in families due to convenient installation.

The fresh air system in the prior art comprises an air inlet and an air outlet, wherein the air inlet is a ventilation window usually arranged on a house, the ventilation window is an aluminum alloy window which is opened and closed directly inwards or outwards and can directly exchange air indoors and outdoors, or a push-pull aluminum alloy window which is directly arranged on the window and is provided with a gauze in the same direction in a push-pull mode.

The above prior art solutions have the following drawbacks: ventilation window among the above-mentioned scheme is in the air inlet, either can't filter the indoor air of entering, or filterable meticulous inadequately, leads to when the air admission is indoor, influences indoor personnel's respiratory tract health, and the floater in the air is too much simultaneously, will gather on the fan in the new trend system, and long-time the use will cause the decline of fan efficiency to influence the use of new trend system.

Disclosure of Invention

To the not enough that prior art exists, the purpose of this application is to provide one kind and can carry out better filterable shutter and the new trend system that has this shutter to the air that gets into indoor.

In a first aspect, the present application provides a blind, which adopts the following technical solution:

a shutter comprises a window frame, a rain shielding plate group, a filter plate group and an air adjusting plate group, wherein the rain shielding plate group, the filter plate group and the air adjusting plate group are arranged on the window frame from outside to inside; the filter plate group comprises a middle frame, and a first air conditioner filter screen, a non-woven fabric filter screen and a second air conditioner filter screen which are arranged on the middle frame from outside to inside; the wind adjusting plate group comprises an inner frame arranged at the inner end of the window frame, a plurality of blades horizontally and rotatably arranged in the middle of the inner frame, and an adjusting component arranged at the side end of the inner frame and used for adjusting the rotation of the blades.

Through adopting above-mentioned technical scheme, blow to indoor time from outdoor when wind, shelter from the rainwater in the shutter outer end through the multi-disc rain blocking sheet in the rain blocking plate group, avoid the rainwater to get into indoorly through the shutter. When circulation of air passes filter plate group, earlier filter through impurity flying wadding etc. of first air conditioner filter screen with big granule, some small granule and germ in rethread non-woven fabrics filter screen will the air filter, make the air that passes filter plate group can reach higher filter effect, keep off rain simultaneously and organize and avoid the rainwater to soak the non-woven fabrics filter screen, if the non-woven fabrics filter screen is soaked, treat on the one hand and probably make the filter effect decline after the non-woven fabrics filter layer is dry, on the other hand can make among the non-woven fabrics filter layer drying process and blow in indoor air production peculiar smell. The blades connected to the inner frame can be rotated to adjust the size and direction of wind entering the room, and the indoor air conditioner is more humanized.

Preferably, the first air conditioner filter screen is abutted to the outer end of the middle frame, the second air conditioner filter screen is abutted to the inner end of the middle frame, the upper side and the lower side of the inner end and the outer end of the middle frame are rotatably provided with fixed shifting pieces, and the fixed shifting pieces are abutted to one ends, away from each other, of the first air conditioner filter screen and the second air conditioner filter screen.

Through adopting above-mentioned technical scheme, with first air conditioner filter screen butt in the center outer end, rotate fixed plectrum, it is fixed with first air conditioner filter screen to make fixed plectrum, with second air conditioner filter screen butt in the center inner, it is fixed with second air conditioner filter screen to rotate fixed plectrum, this scheme makes first air conditioner filter screen and second air conditioner filter screen installation dismantlement more convenient, thereby it clears up when first air conditioner filter screen or second air conditioner filter screen surface are stained with impurity such as attaching dust too much, also make the change of non-woven fabrics filter screen more convenient simultaneously.

Preferably, the lower end of the inner frame is rotatably connected to the inner wall of the window frame, and an installation cavity for the filter plate groups to be inserted is formed between the air adjusting plate group and the rain shielding plate group by the inner frame.

Through adopting above-mentioned technical scheme, the inside casing is direct to be rotated and is connected on the window frame for whole wind board group can rotate, and after wind board group rotated out, the installation cavity exposed, this moment alright with in the direct insertion installation cavity of filter board group, this scheme makes the installation of filter board group very convenient with the dismantlement, conveniently takes out filter board group and clears up, can maintain with the filter effect of guaranteeing filter board group.

Preferably, a cleaning brush plate is vertically arranged on the outer side of the first air conditioner filter screen in a sliding mode, and bristles on the side end of the cleaning brush plate abut against the outer end face of the first air conditioner filter screen.

Through adopting above-mentioned technical scheme, set up the clearance brush board of its surperficial dust impurity of clearance in first air conditioner filter screen outside for it is more convenient that first air conditioner filter screen clearance gets up.

Preferably, the adjusting assembly comprises two groups of rotating seats which are rotatably arranged on two sides of the inner frame and drive the blades to rotate, two connecting strips which are connected to one end of each rotating seat in a parallel rotating mode, a rotating sheet which is connected to the two connecting strips in a rotating mode and drives the two connecting strips to be away from or close to each other, an adjusting screw rod which drives the rotating sheet to rotate through threads, and a driving rod which is inserted into the side end of the inner frame and drives the adjusting screw rod to rotate.

Through adopting above-mentioned technical scheme, adjusting part is when adjusting blade's rotation, the actuating lever is rotated, make the actuating lever drive adjusting screw and rotate, adjusting screw rotates through the screw thread drive rotor plate of its week side, the rotor plate drives two connecting strips and is being on a parallel circular-arc motion, and two connecting strips make a set of rotation seat rotate in step, and install the blade on rotating the seat and take place to rotate, this scheme is through continuous transmission, make rotate the actuating lever alright make all blades rotate together in the outer end, it is more convenient.

Preferably, the inner frame extends towards one end of the rain shield to form an installation frame for the filter plate group to be inserted, the inner end of the installation frame is rotatably connected with an adjusting chain wheel coaxial with the adjusting screw rod, an adjusting chain meshed with the adjusting chain wheel is connected in the installation frame in a rotating mode, one end of the adjusting chain far away from the adjusting chain wheel is provided with an adjusting seat, one end of the cleaning brush plate is fixed on the adjusting seat, the other end of the cleaning brush plate is vertically connected to one end of the installation frame in a sliding mode, a first driving hole with an inner hexagon is formed in the middle of the adjusting screw rod, a second driving hole with an inner hexagon shape is formed in the middle of the adjusting chain wheel, and a driving hexagonal platform inserted in the first driving hole or the second driving hole is arranged on the periphery side of.

By adopting the technical scheme, the adjusting chain wheel rotates to drive the adjusting chain to rotate, the adjusting seat fixed at the side end of the adjusting chain slides in the vertical direction along with the rotation of the adjusting chain, so as to drive the cleaning brush plate to vertically slide, and the cleaning brush plate can clean the first air conditioner filter screen at the moment, the rotation of the adjusting chain wheel is also carried out through the driving rod in the scheme, when the driving rod is inserted shallowly, the driving hexagonal platform at the side end of the driving rod is inserted into the first driving hole, the driving rod is rotated to adjust the rotation of the blade, after the driving rod is completely inserted, the driving hexagonal platform at the side end of the driving rod is inserted into the second driving hole, at the moment, the driving rod is rotated to drive the adjusting seat to vertically move through the driving chain wheel, so that the cleaning brush plate moves, the scheme adjusts two assemblies through one driving rod, and ensures that the two, and the adjusting mode is very convenient and practical.

Preferably, the rotating seat is coaxially provided with connecting seats located on two side walls in the inner frame, and one end of each connecting seat far away from the rotating seat is provided with a groove for the two ends of each blade to be inserted.

Through adopting above-mentioned technical scheme, after the blade is used for a long time, its surface also can be stained with and attach dust, and this scheme makes the blade directly peg graft in the recess of connecting seat side for when the blade can be along with rotating the seat pivoted, its installation also can be more convenient with the dismantlement, is convenient for wash.

Preferably, the inner frame comprises side frames at two side ends and an upper frame fixed at the upper ends of the side frames through bolts, an installation long groove is formed in one end, close to each other, of each side frame, a connecting frame is inserted into the installation long groove in a sliding mode, and the rotating seat and the connecting seat are connected to two sides of the connecting frame in a rotating mode.

By adopting the technical scheme, the rotating seat and the connecting seat are rotatably connected to the two side ends of the connecting frame, so that the connecting frame provided with the rotating seat and the connecting seat can be directly inserted into the long mounting groove in mounting, and the mounting device is very convenient and is convenient to maintain.

Preferably, the connecting frame is connected with an adjusting box in a clamping mode at one end far away from the connecting seat, the rotating sheet and the adjusting screw are connected to the inner end of the adjusting box in a rotating mode, two rotating shifting shafts are convexly arranged at one end of the rotating sheet, and a rotating shifting groove for the rotating shifting shafts to be rotatably inserted is formed in one end of each connecting strip.

Through adopting above-mentioned technical scheme, the direct joint of regulating box is at the link side for when the installation link, can install rotating plate, two connecting strips and adjusting screw together, it is very convenient.

In a second aspect, the present application provides a fresh air system, which adopts the following technical scheme:

a fresh air system comprises a plurality of air inlets, a plurality of ventilation pipelines arranged indoors, an air outlet positioned at the tail end of the ventilation pipelines and communicated to the outside, and a negative pressure fan arranged at the air outlet, wherein the air inlet is provided with a shutter according to any one of claims 1 to 9.

Through adopting above-mentioned technical scheme, when negative-pressure air fan begins work, indoor air is directly taken out by the air outlet through air pipe, whole indoor certain negative pressure that forms this moment, and the shutter is as the air intake, and outdoor air is indoor by shutter department's suction to carry out the change and the circulation of indoor air, filter the air through this kind of shutter simultaneously, make indoor air healthier.

To sum up, the beneficial technical effect of this application does:

1. the louver consists of a rain shield plate group, a filter plate group and an air adjusting plate group, the three plate groups work cooperatively, so that outdoor air enters indoors after being filtered, and the multiple filtering of the filter plate groups enhances the filtering effect;

2. when the driving rod is inserted shallowly, the driving hexagonal platform at the side end of the driving rod is inserted in the first driving hole, the rotation of the blade can be adjusted by rotating the driving rod, after the driving rod is completely inserted, the driving hexagonal platform at the side end of the driving rod is inserted in the second driving hole, the driving rod can be rotated to drive the adjusting seat to vertically move through the driving chain wheel, so that the cleaning brush plate moves, the two assemblies are adjusted through one driving rod, the two assemblies are not interfered with each other, and the adjusting mode is very convenient;

3. the rotating sheet and the adjusting screw are rotatably arranged in the adjusting box, the adjusting box and the two connecting strips are arranged at the side end of the connecting frame, the rotating seat and the connecting seat are rotatably connected at the two side ends of the connecting frame, and the connecting frame is inserted into the mounting elongated slot, so that the whole adjusting assembly is very convenient to mount and dismount and maintain.

Drawings

FIG. 1 is a schematic view of the construction of the blind, as installed;

FIG. 2 is an exploded view of the shutter;

FIG. 3 is an enlarged view of FIG. 2 at A;

FIG. 4 is a schematic structural view of the damper assembly and the mounting frame, showing the structure within the mounting frame;

FIG. 5 is an enlarged view of FIG. 4 at B;

FIG. 6 is a schematic structural view of another angle between the damper group and the mounting frame;

FIG. 7 is an enlarged view at C of FIG. 6;

FIG. 8 is a partial exploded view of the damper assembly;

FIG. 9 is an enlarged view of FIG. 8 at D;

FIG. 10 is an exploded view of the conditioning cartridge in the conditioning assembly;

fig. 11 is a schematic plan view of a fresh air system.

In the figure: 1. a window frame; 2. a rain shield plate group; 21. a rain shield; 3. a filter plate group; 31. a middle frame; 32. a first air conditioner filter screen; 33. a non-woven fabric filter screen; 34. a second air conditioner filter screen; 35. fixing the shifting sheet; 4. a wind adjusting plate group; 41. an inner frame; 411. putting down a rack; 412. a side frame; 4121. an adjustment chamber; 4122. installing a long groove; 413. putting on a shelf; 414. a connecting frame; 42. A blade; 43. an adjustment assembly; 431. a rotating seat; 432. a connecting seat; 4321. a groove; 433. a connecting strip; 4331. rotating the shifting groove; 434. an adjustment box; 435. adjusting the screw rod; 4351. a first drive aperture; 436. a rotating sheet; 4361. rotating the dial shaft; 437. a drive rod; 438. driving the hexagonal table; 439. rotating the grip; 5. a mounting cavity; 6. installing a frame; 61. a support sprocket; 62. adjusting the chain; 63. adjusting the chain wheel; 631. a second drive aperture; 64. a chute; 65. an adjusting seat; 66. cleaning the brush plate; 67. a butting wheel; 68. brushing; 7. an air inlet; 8. a ventilation duct; 9. an air outlet; 10. a negative pressure fan.

Detailed Description

The embodiment of the application discloses a shutter.

Referring to fig. 1 and 2, the louver comprises a window frame 1, and further comprises a rain shielding plate group 2, a filter plate group 3 and an air adjusting plate group 4 which are arranged on the window frame 1 from outside to inside, wherein the rain shielding plate group 2 comprises a plurality of rain shielding plates 21 which incline downwards and outwards; the filter plate group 3 comprises a middle frame 31, a first air conditioner filter screen 32, a non-woven fabric filter screen 33 and a second air conditioner filter screen 34 which are arranged on the middle frame 31 from outside to inside; the wind adjusting plate group 4 comprises an inner frame 41 arranged at the inner end of the window frame 1, a plurality of blades 42 horizontally and rotatably arranged in the middle of the inner frame 41, and an adjusting component 43 arranged at the side end of the inner frame 41 and used for adjusting the rotation of the blades 42.

The window frame 1 is made of aluminum alloy materials, the window frame 1 is made of the aluminum alloy materials, the strength is high, the weight is light, the installation is convenient, and the window frame 1 is directly fixed in a window reserved on a wall body through bolts.

It is inboard that 1 outer end of window frame is fixed in through the bolt to the multi-disc rain blocking sheet 21 in the rain blocking plate group 2, and rain blocking sheet 21 is the form of being parallel to each other, and rain blocking sheet 21 is 45 outwards slopes downwards form, and two adjacent rain blocking sheets 21 link up, and the rain blocking sheet 21 of upper end is the lower extreme and the upper end of lower end rain blocking sheet 21 are parallel and level mutually promptly, and rain blocking sheet 21 can shelter from most rainwater this moment, still can not influence the outside air inflow indoor simultaneously.

The middle frame 31 is also a metal frame supported by aluminum alloy, the non-woven fabric filter net 33 is directly embedded in the middle frame 31, the first air conditioner filter net 32 is abutted to one end, close to the rain shielding sheet 21, of the middle frame 31, and the second air conditioner filter net 34 is abutted to one end, far away from the rain shielding sheet 21, of the middle frame 31, so that the non-woven fabric filter net 33 is directly positioned in the middle frame 31 by the first air conditioner filter net 32 and the second air conditioner filter net 34.

Referring to fig. 2 and 3, the upper and lower sides of the inner and outer ends of the middle frame 31 are respectively connected with a fixed shifting piece 35 through bolts in a rotating manner, and when the fixed shifting piece 35 rotates to point to the middle of the middle frame 31, the fixed shifting piece 35 just abuts against one end of the first air conditioner filter screen 32, which is far away from the second air conditioner filter screen 34, so that the first air conditioner filter screen 32 and the second air conditioner filter screen 34 are fixed.

Referring to fig. 2 and 4, the lower end of the inner frame 41 is hinged to the lower end of the window frame 1, the inner frame 41 and the rain-shielding plate group 2 form a mounting cavity 5 in the window frame 1, a mounting frame 6 is integrally arranged at one end of the inner frame 41 close to the mounting cavity 5, and the filter plate group 3 is directly inserted into the mounting frame 6.

Referring to fig. 4, 5 and 7, the upper and lower ends of one side end of the mounting frame 6 are respectively connected with a supporting chain wheel 61 through a rotating shaft in a rotating manner, a circle of adjusting chain 62 is meshed on the two supporting chain wheels 61, so that when the supporting chain wheel 61 rotates, the adjusting chain 62 rotates together, the mounting frame 6 is connected with an adjusting chain wheel 63 through a bearing in a rotating manner at the side end of the adjusting chain 62, the adjusting chain wheel 63 is also meshed with the adjusting chain 62, so that when the adjusting chain wheel 63 rotates, the adjusting chain 62 is also rotatable, the inner end of the mounting frame 6 is provided with a vertical sliding groove 64, one side end of the adjusting chain 62 close to the sliding groove 64 is welded with an adjusting seat 65, the adjusting seat 65 is slidably inserted in the sliding groove 64, so that when the adjusting chain wheel 63 rotates, the.

The side of the adjusting seat 65 is fixed with a cleaning brush plate 66 through a bolt, the cleaning brush plate 66 is horizontal, the other end of the cleaning brush plate 66 is connected with a butt wheel 67 through a rotating shaft in a rotating way, the butt wheel 67 is in butt joint with the other side of the mounting frame 6, and when the adjusting seat 65 slides, the adjusting seat can drive the cleaning brush plate 66 to keep horizontal sliding. A plurality of rows of bristles 68 are uniformly inserted into one side end of the cleaning brush plate 66 close to the inner frame 41, and the bristles 68 just abut against the outer end of the first airstrainer 32, so that when the cleaning brush plate 66 slides, the bristles 68 can clean dust on the surface of the first airstrainer 32.

Referring to fig. 2 and 8, the inner frame 41 includes a lower frame 411 hinged at the lower end of the window frame 1, side frames 412 vertically fixed at the two ends of the lower frame through bolts, and an upper frame 413 fixed at the upper ends of the two side frames 412 through bolts, an adjusting cavity 4121 is formed in the side frames 412, an installation long groove 4122 is formed at one end of the side frames 412 close to each other, the installation long groove 4122 is communicated with the adjusting cavity 4121, and a connecting frame 414 is inserted in the installation long groove 4122 in a sliding manner.

Referring to fig. 8 and 9, a rotating base 431 is rotatably connected to one end of the connecting frame 414 near the adjustment chamber 4121 through a rotating shaft, the rotating bases 431 are uniformly arranged at a side end of the connecting frame 414, and the rotating base 431 is coaxially provided with a connecting base 432 at the other side end of the connecting frame 414, so that when the rotating base 431 rotates, the connecting base 432 synchronously rotates.

Rotate seat 431 and pass through bolt fastening at the one end of keeping away from connecting seat 432 have two connecting strips 433, and two connecting strips 433 are parallel to each other, and when rotating seat 431 and rotate, two connecting strips 433 are circular-arc removal and are close to each other or keep away from each other.

An adjusting box 434 is slidably clamped at one end of the connecting frame far away from the connecting seat 432, an adjusting screw 435 is embedded in the adjusting box 434, the adjusting screw 435 can rotate in the adjusting box, a rotating piece 436 is embedded at the side end of the adjusting screw 435 in the adjusting box 434, and the adjusting screw 435 and the rotating piece 436 are connected through threads, so that the rotating piece 436 can be driven to rotate when the adjusting screw 435 is rotated.

Referring to fig. 9 and 10, two rotating shifting shafts 4361 are convexly disposed at one end of the rotating sheet 436 close to the connecting seat 432, and two rotating shifting grooves 4331 for the rotating shifting shafts 4361 to rotatably insert are disposed on the connecting strips 433, so that the rotating sheet 436 rotates to drive the two connecting strips 433 to move in an arc, thereby driving the rotating seat 431 to rotate and then driving the connecting seat 432 to rotate.

The adjusting screw 435 is provided with a first driving hole 4351 along an axis thereof, the middle part of the adjusting sprocket 63 is provided with a second driving hole 631, the first driving hole 4351 and the second driving hole 631 are coaxially arranged and are both hexagonal holes, the inner frame 41 is rotatably inserted into the inner end of the side frame 412 to form a driving rod 437, the inner end of the driving rod 437 is integrally provided with a driving hexagonal table 438, the driving hexagonal table 438 is inserted into the first driving hole 4351 to drive the adjusting screw 435 to rotate, or is inserted into the second driving hole 631 to drive the adjusting sprocket 63 to rotate, and the outer end of the driving rod 437 is fixed with a rotating handle 439 through a bolt.

The connecting seat 432 is provided with a groove 4321 at one end close to each other, and two ends of the blade 42 are inserted in the groove 4321 in a sliding manner, so that the blade 42 is more convenient to mount and dismount.

The embodiment of the application discloses new trend system.

Referring to fig. 11, a fresh air system includes a plurality of air inlets 7, a plurality of ventilation ducts 8 arranged indoors, an air outlet 9 located at the end of the ventilation duct and communicated to the outside, and a negative pressure fan 10 disposed at the air outlet, wherein a louver is disposed at the air inlet 7.

The implementation principle of the embodiment is as follows:

when wind blows from the outdoor to the indoor, rainwater is shielded at the outer end of the louver by the plurality of rain baffles 21 in the rain baffle plate group 2, so that the rainwater is prevented from entering the indoor through the louver, when air flows pass through the filter plate group 3, large-particle impurity flying flocks and the like are firstly filtered by the first air conditioner filter screen 32, then a plurality of micro particles and germs in the air are filtered by the non-woven fabric filter screen 33, the driving rod 437 is inserted shallowly, the driving hexagonal platform 438 at the side end of the driving rod 437 is inserted into the first driving hole 4351, the rotation of the driving rod 437 can be adjusted by rotating the driving rod 437, so that the air quantity passing through the louver is adjusted, when the dust on the first air conditioner filter screen 32 is too much, the driving rod 437 is inserted deeply, the driving hexagonal platform 438 at the side end of the driving rod 437 is inserted into the second driving hole 631, and the adjusting seat 65 can be driven to move, causing the cleaning brush plate 66 to move and thereby clean the first air conditioning filter 32.

When negative-pressure air fan 10 began work, indoor air was taken out by air outlet 9 directly through air pipe 8, and whole indoor certain negative pressure that forms this moment, and the shutter is as air intake 7, and outdoor air is indoor by shutter department's suction to carry out indoor air's change and circulation, filter the air through this kind of shutter simultaneously, make indoor air healthier.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A blind comprising a window frame (1), characterized in that: the rain-proof plate is characterized by further comprising a rain-proof plate group (2), a filter plate group (3) and an air adjusting plate group (4) which are arranged on the window frame (1) from outside to inside, wherein the rain-proof plate group (2) comprises a plurality of rain-proof sheets (21) which are inclined downwards and outwards; the filter plate group (3) comprises a middle frame (31), a first air conditioner filter screen (32), a non-woven fabric filter screen (33) and a second air conditioner filter screen (34), wherein the first air conditioner filter screen (32), the non-woven fabric filter screen (33) and the second air conditioner filter screen are arranged on the middle frame (31) from outside to inside; the wind adjusting plate group (4) comprises an inner frame (41) arranged at the inner end of the window frame (1), a plurality of blades (42) horizontally and rotatably arranged in the middle of the inner frame (41), and an adjusting component (43) arranged at the side end of the inner frame (41) and used for adjusting the rotation of the blades (42).

2. The blind according to claim 1, wherein: first air conditioner filter screen (32) butt in center (31) outer end, second air conditioner filter screen (34) butt in center (31) inner, both sides are rotated about the inside and outside both ends of center (31) and are provided with fixed plectrum (35), fixed plectrum (35) butt in the one end of keeping away from each other of first air conditioner filter screen (32) and second air conditioner filter screen (34).

3. The blind according to claim 1, wherein: the lower end of the inner frame (41) is rotatably connected to the inner wall of the window frame (1), and an installation cavity (5) for the filter plate group (3) to be inserted is formed between the wind adjusting plate group (4) and the rain shielding plate group (2) through the inner frame (41).

4. The blind according to claim 1, wherein: the cleaning brush plate (66) is vertically arranged on the outer side of the first air conditioner filter screen (32) in a sliding mode, and bristles (68) at the side end of the cleaning brush plate (66) abut against the outer end face of the first air conditioner filter screen (32).

5. The shutter as claimed in claim 4, wherein: adjusting part (43) including rotate set up in inside casing (41) both sides and drive blade (42) pivoted two sets of rotate seat (431), two parallel rotation connect in rotate connecting strip (433) of seat (431) one end, rotate connect in two connecting strip (433) just order about two connecting strip (433) keep away from each other or rotation piece (436) that are close to, drive through the screw thread rotation piece (436) pivoted adjusting screw (435), peg graft in inside casing (41) side and drive adjusting screw (435) pivoted actuating lever (437).

6. The shutter as claimed in claim 5, wherein: inner casing (41) to keep off rain piece (21) one end and extend and form the confession install frame (6) that filter plate group (3) were pegged graft, install frame (6) inner rotate be connected with coaxial in adjusting screw (435) adjusting sprocket (63), install frame (6) internal rotation be connected with adjusting sprocket (63) engaged with regulation chain (62), it is keeping away from to adjust chain (62) adjusting sprocket (63)'s one end is provided with adjusts seat (65), the one end of clearance brush board (66) is fixed in on adjusting seat (65), its other end vertical sliding connect in install frame (6) one end, hexagonal first drive hole (4351) in the middle part of adjusting screw (435) is seted up, hexagonal second drive hole (631) in the interior hexagonal shape are seted up in adjusting sprocket (63) middle part, drive rod (437) week side be provided with peg graft in first drive hole (4351) or the drive hole (631) of drive of second drive hole (631) drive hole (437) drive Corner platforms (438).

7. The shutter as claimed in claim 5, wherein: the rotating seat (431) is coaxially provided with connecting seats (432) which are positioned on two inner side walls of the inner frame (41), and one end, far away from the rotating seat (431), of each connecting seat (432) is provided with a groove (4321) for the two ends of each blade (42) to be inserted.

8. The shutter as claimed in claim 7, wherein: the inner frame (41) comprises side frames (412) at two side ends and an upper frame (413) fixed to the upper ends of the side frames (412) through bolts, an installation long groove (4122) is formed in one end, close to each other, of each side frame (412), a connecting frame (414) is inserted into the installation long groove (4122) in a sliding mode, and the rotating seat (431) and the connecting seat (432) are connected to two sides of the connecting frame (414) in a rotating mode.

9. The shutter as claimed in claim 8, wherein: the connecting frame (414) is kept away from one end of the connecting seat (432) and is clamped with an adjusting box (434), the rotating sheet (436) and the adjusting screw (435) are rotatably connected to the inner end of the adjusting box (434), two rotating shifting shafts (4361) are convexly arranged at one end of the rotating sheet (436), and a rotating shifting groove (4331) for the rotating shifting shafts (4361) to be rotatably inserted is formed in one end of each of the two connecting strips (433).

10. The utility model provides a new trend system, is including a plurality of air intakes (7), arrange in indoor many air pipe (8), be located air pipe (8) end and intercommunication to outdoor air outlet (9), set up in negative-pressure air fan (10) of air outlet (9), its characterized in that: the air inlet (7) is provided with a louver comprising any one of the claims 1 to 9.