CN218672362U

CN218672362U - Fresh air device and air conditioner

Info

Publication number: CN218672362U
Application number: CN202223015801.4U
Authority: CN
Inventors: 俞旭; 周诗; 商竹贤; 朱勇强; 田振; 张志伟; 陈发英; 倪嘉彤; 王鹏; 尚彬
Original assignee: Aux Air Conditioning Co Ltd; Ningbo Aux Electric Co Ltd
Current assignee: Aux Air Conditioning Co Ltd; Ningbo Aux Electric Co Ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-03-21
Anticipated expiration: 2032-11-11

Abstract

The application provides a new trend device and air conditioner relates to air conditioner technical field. The utility model provides a new trend device includes the casing, fan and air door subassembly, the fan sets up in the casing, the fan is used for forming the wind path that runs through new trend device, the casing is provided with indoor air intake, the outside of casing is provided with the storage tank, the air door subassembly includes air door and driving piece, the driving piece sets up in the storage tank, the storage tank has the bottom and the opening relative with the bottom, the opening and the air door transmission that the driving piece passes through the storage tank are connected, the driving piece is used for driving the air door for the casing motion in order to open or close indoor air intake. Through setting up the driving piece in the storage tank, avoided driving piece protrusion in the surface of casing to the compact structure degree of new trend device has been improved, and the roughness in the casing outside has been improved. The application provides an air conditioner includes foretell new trend device.

Description

Fresh air device and air conditioner

Technical Field

The application relates to the technical field of air conditioners, in particular to a fresh air device and an air conditioner.

Background

With the demand of people on the indoor air quality becoming higher and higher, the new trend device has gradually popularized. Some fresh air devices can introduce outdoor fresh air into the room, and can discharge or purify dirty air in the room. Can set up indoor air intake on this kind of new trend device casing, can suck indoor air through indoor air intake, discharge or purify dirty air. The shell outside of the existing fresh air device is provided with an air door which can be driven by a driving part and is used for opening or closing an indoor air inlet. In the related art, the driving member is convexly disposed on the outer surface of the housing, which results in poor compactness of the fresh air device and affects the flatness of the outer side of the housing.

SUMMERY OF THE UTILITY MODEL

The current new trend device of problem that this application was solved leads to the poor problem of compact structure degree because of the protruding surface of locating the casing of driving piece.

For solving the above problem, the first aspect, the application provides a new trend device, which comprises a housin, fan and air door subassembly, the fan sets up in the casing, the fan is used for forming the wind path that runs through new trend device, the casing is provided with indoor air intake, the outside of casing is provided with the storage tank, the air door subassembly includes air door and driving piece, the driving piece sets up in the storage tank, the storage tank has the bottom and the opening relative with the bottom, the opening and the air door transmission that the driving piece passes through the storage tank are connected, the driving piece is used for driving the air door for the casing motion in order to open or close indoor air intake.

In this application embodiment, the driving piece of air door subassembly sets up in the storage tank of casing to be connected with the air door through the opening and move with the drive air door, avoid driving piece protrusion in the surface of casing like this, thereby improved the compact structure degree of new trend device, and improved the roughness in the casing outside.

In an optional embodiment, one side of the receiving groove is formed with an opening, and the opening communicates with the inside and the outside of the receiving groove.

In this embodiment, one side through at the storage tank forms uncovered, and the circuit of the driving piece of being convenient for like this stretches out the storage tank, also can strengthen the heat dissipation of driving piece simultaneously, avoids the driving piece overheated.

In an optional embodiment, the opening and the indoor air inlet are located on opposite sides of the accommodating groove.

In an alternative embodiment, a mounting structure is provided within the receiving slot, the mounting structure being for securing the drive member.

In an alternative embodiment, the mounting structure includes at least one of a mounting hole, a clip assembly, and a snap assembly. Through setting up mounting structure such as mounting hole, centre gripping subassembly, buckle subassembly, can carry out effectual fixed to the driving piece, also can conveniently load and unload the driving piece.

In an alternative embodiment, the damper is attached to the outer side of the casing and covers at least a part of the accommodating groove, and the driving member is used for driving the damper to rotate along with the casing so as to open or close the indoor air inlet.

The air door is attached to the outer surface of the shell and at least covers a part of the accommodating groove, so that the air door can be directly connected with the driving piece accommodated in the accommodating groove in a transmission manner. In this embodiment, because the air door is closed or opened that the indoor air intake was realized to the rotation of pasting the casing, and the direct output of driving piece (for example motor) is usually rotated, consequently compares and is linear motion in driving the air door, and driving the air door rotation can simplify the transmission, makes transmission efficiency improve, consequently also be difficult to appear the dead phenomenon of card, also can reduce the power requirement to the driving piece. And, compare in convertible air door, the air door is facing to the casing and is rotated the space that can also reduce the air door when moving and occupy, and the air door is difficult to interfere with other parts, is favorable to making the compact structure of new trend device.

In an alternative embodiment, one of the housing and the damper is provided with a first guide slot, and the other is provided with a first guide portion, the first guide slot being in sliding engagement with the first guide portion, the first guide portion being slidable along the first guide slot upon rotation of the damper relative to the housing.

In this embodiment, through the sliding fit of first guide way and first guide part for the air door is unrestricted in the ascending rotation of circumference, and is difficult to produce radial ascending displacement at the rotation in-process, has so improved the stability of air door.

In an optional embodiment, the damper is attached to the outer surface of the housing, the damper assembly further includes a pressing member, the pressing member is disposed on a side of the damper away from the housing and connected to the housing, and the pressing member is used for limiting the movement of the damper in a direction away from the housing.

In this embodiment, the pressing member can limit the axial displacement of the air door, so that the air door is attached to the outer surface of the shell and is not easy to axially fall off, and thus the stability of the air door is further improved.

In an optional embodiment, the indoor air inlet includes a dirty air inlet and a purification air inlet, and the air door can block one of the dirty air inlet and the purification air inlet or block both the dirty air inlet and the purification air inlet under the driving of the driving member.

In an optional embodiment, the pressing piece is provided with a clamping portion, the shell is provided with a clamping groove, and the clamping portion is in clamping fit with the clamping groove to realize that the pressing piece is detachably connected to the shell. Through the cooperation of draw-in groove, joint portion, when guaranteeing structural stability, can conveniently load and unload pressing piece, air door subassembly.

In an optional embodiment, a plurality of clamping portions are arranged along the peripheral side of the pressing member, a plurality of matching portions corresponding to the clamping portions one to one are arranged on the outer surface of the shell, clamping grooves are formed between the matching portions and the outer surface of the shell, and the pressing member can rotate relative to the shell to enable each clamping portion to be inserted into the corresponding clamping groove. Make a plurality of joint portions and a plurality of draw-in groove cooperate simultaneously through rotatory mode, the simple high efficiency of cooperation mode, stability is good. And cooperation portion can block joint portion in the axial effectively, makes whole pressing to press the piece and steadily ground the air door, avoids its axial to drop.

In an alternative embodiment, one of the pressing member and the housing is provided with a second guide portion, and the other is provided with a second guide groove slidably engaged with the second guide portion, the second guide portion being slidable along the second guide groove when the pressing member is rotated relative to the housing.

In this embodiment, since the pressing member is engaged with the slot by rotation, the second guide groove and the second guide portion can effectively position and guide the pressing member, so that the pressing member is easier to mount.

In an alternative embodiment, the pressing member or the damper is provided with a convex point, and the pressing member and the damper are abutted with each other through the convex point.

In this embodiment, indoor air intake includes dirty wind air intake and purification air intake, and different air intakes are used under the operating mode of difference to realize different functions, satisfy user's demand better. Because the new trend device only launches one of them function at the same moment, consequently, use same air door to open dirty wind air intake or purify the air intake alternatively to and when dirty wind air intake and purification air intake do not use, with an air door shutoff dirty wind air intake simultaneously and purify the air intake, can practice thrift the use quantity of air door and driving piece, reduce cost.

In a second aspect, the present application provides an air conditioner, comprising an air conditioner main body and a fresh air device according to any one of the foregoing embodiments, wherein the fresh air device is connected to the air conditioner main body.

Drawings

FIG. 1 is a schematic view of a fresh air device in a fresh air mode according to an embodiment of the present disclosure;

FIG. 2 is a first exploded view of a fresh air device according to an embodiment of the present application;

FIG. 3 is a second exploded view of a fresh air device according to an embodiment of the present application;

FIG. 4 is a schematic view of a fresh air device in a purge mode according to an embodiment of the present disclosure;

FIG. 5 is a schematic view of a fresh air device in an exhaust mode according to an embodiment of the present disclosure;

FIG. 6 is a third exploded view of a fresh air device according to an embodiment of the present application;

FIG. 7 is a cross-sectional view of a fresh air device in a fresh air mode according to an embodiment of the present application;

FIG. 8 is a schematic view of a fresh air device in a fresh air mode according to an embodiment of the present disclosure;

FIG. 9 is a cross-sectional view of a fresh air device in a purge mode according to an embodiment of the present application;

FIG. 10 is a schematic view of a fresh air device in a cleaning mode according to an embodiment of the present application;

FIG. 11 is a cross-sectional view of a fresh air device in an exhaust mode according to an embodiment of the present application;

fig. 12 is a schematic view of a state of a fresh air device in an air exhaust mode according to an embodiment of the present application.

Description of reference numerals: 010-a fresh air device; 100-a housing; 101-a dirty air inlet; 102-a purification air inlet; 103-indoor air outlet; 104-induced draft; 105-a first chamber; 106-a second chamber; 110-fresh air cover; 111-a receiving groove; 112-a first guide groove; 113-a second guide groove; 120-fresh air box; 130-a fan housing; 200-a damper assembly; 210-a damper; 211-a first guide; 212-bumps; 220-a drive member; 230-a pressing member; 231-a clamping part; 114-a mating portion; 115-a card slot; 232-a connecting part; 233-a second guide; 300-a fan; 400-air valve; 410-a valve holder; 411-fresh air port; 420-a first door panel; 421-a first motor; 430-a second door panel; 431-a second motor; 440-a seal; 500-a first filter assembly; 510-a first screen holder; 520-a first screen; 600-a second filter assembly; 610-a second screen holder; 620-second screen.

Detailed Description

Among the correlation technique, can set up indoor air intake on the casing of new trend device, can suck indoor air through indoor air intake, discharge or purify dirty air. Indoor air intake is opened or is closed through the air door, and the air door is connected with the driving piece transmission, and the driving piece drives the air door and moves. At present, the opening and closing of indoor air inlets are often realized through a linear sliding mode by existing air doors, and a motor serving as a driving piece is often arranged on the outer surface of a shell in a protruding mode together with the air doors. The arrangement mode of the air door assembly can lead to low structural compactness of the fresh air device and influence the flatness of the outer surface of the shell.

In order to improve the defects of the prior art, the embodiment of the application provides a fresh air device, and the driving piece is accommodated in the accommodating groove formed in the outer side of the shell, so that the flatness of the outer side of the shell is improved, and the structure of the whole fresh air device is compact. In addition, this application embodiment still provides an air conditioner, includes foretell new trend device.

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying figures are described in detail below.

Fig. 1 is a schematic view of a fresh air device 010 in a fresh air mode according to an embodiment of the present application; fig. 2 is a first exploded view of a fresh air device 010 according to an embodiment of the present application; fig. 3 is a second exploded view of a fresh air device 010 according to an embodiment of the present application. As shown in fig. 1 to fig. 3, the fresh air device 010 of the embodiment of the present application includes a casing 100, a fan 300 and an air door assembly 200, the fan 300 is disposed in the casing 100, and the fan 300 is used to form an air path penetrating through the fresh air device 010. The casing 100 is provided with an indoor air inlet, an indoor air outlet 103, and a fresh air inlet 411. The fresh air inlet 411 is used for communicating with the outside, and is used for introducing outdoor fresh air into the inside of the room and discharging indoor air to the outside of the room. The indoor air inlet is used for introducing indoor air into the fresh air device 010 and then discharging the indoor air to the outside or discharging the indoor air into the room through the indoor air outlet 103 after being purified. The damper assembly 200 is used to control the opening or closing of the indoor air intake.

In this embodiment, the indoor air inlet includes a dirty air inlet 101 and a clean air inlet 102, and when the dirty air inlet 101 is opened, indoor air can enter the housing 100 of the fresh air device 010 from the dirty air inlet 101 under the suction action of the fan 300 and be discharged to the outside from the fresh air inlet 411. When the purification air inlet 102 is opened, the indoor air can enter the shell 100 of the fresh air device 010 from the purification air inlet 102 under the suction action of the fan 300, and is purified in the fresh air device 010 and then is discharged into the room again through the indoor air outlet 103, so that the quality of the indoor air is improved through the internal circulation. In the present embodiment, the profile of the dirty air inlet 101 is set to be arcuate, and the profile of the clean air inlet 102 is set to be fan-shaped; in alternative embodiments, the dirty air intake 101 and the clean air intake 102 may be shaped and sized as desired.

In the present embodiment, the damper assembly 200 includes a damper 210 and a driving member 220, and the driving member 220 is used for driving the damper 210 to move relative to the casing 100 to open or close the indoor air inlet. The outside of the casing 100 is provided with an inward recessed receiving groove 111, the driving member 220 is disposed in the receiving groove 111, the receiving groove 111 has a bottom and an opening opposite to the bottom, and the driving member 220 is in transmission connection with the damper 210 through the opening of the receiving groove 111. Through setting up storage tank 111, set up driving piece 220 in storage tank 111, can make air door subassembly 200 more compact with casing 100 combines, be favorable to reducing the overall dimension of new trend device 010, also can improve the roughness in the casing 100 outside simultaneously.

Furthermore, one side of the accommodating groove 111 is open to form an opening, the circuit of the driving element 220 can extend out of the accommodating groove 111 from the opening, and meanwhile, the heat dissipation of the driving element 220 can be enhanced, so that the driving element 220 is prevented from being overheated. Optionally, the opening and the indoor air inlet are located on opposite sides of the accommodating groove 111. Specifically, the opening is disposed on a side of the accommodating groove 111 away from the purifying air inlet 102, and is adjacent to a side where the dirty air inlet 101 is located. As shown in the drawings, the receiving groove 111 extends to an edge of the housing 100 to form an opening. In normal use, the opening is usually located at the rear side (usually towards the wall) of the fresh air device 010.

In an alternative embodiment, the receiving groove 111 may be formed by bending the housing 100, that is, the bottom, the side wall, or the portion of the housing 100 outside the receiving groove 111 is a plate, and the thickness may be set to be substantially uniform, so that the depth of the receiving groove 111 may be greater than the thickness of the housing 100. Of course, in other embodiments, the thickness of the receiving groove 111 may be smaller than that of the housing 100, for example, the receiving groove 111 is formed on the outer surface of the housing 100, in which case the inner side of the housing 100 may be kept flat.

A mounting structure (not shown) is disposed in the receiving groove 111, and the mounting structure is used for fixing the driving member 220. Optionally, the mounting structure includes at least one of a mounting hole, a clamping assembly, and a snap assembly. For example, the driving member 220 can be detachably connected to the clamping structure or the clipping structure; alternatively, the driving member 220 is fixedly mounted to a mounting hole at the bottom of the receiving groove 111 by a fastener such as a screw. Through setting up mounting structure such as mounting hole, centre gripping subassembly, buckle subassembly, can carry out effectual fixed to driving piece 220, also can conveniently load and unload driving piece 220.

In this embodiment, the damper 210 is attached to the outer side of the casing 100 and covers at least a portion of the accommodating groove, and the driving member 220 is used for driving the damper 210 to rotate along with the casing 100 to open or close the indoor air inlet. The damper 210 is attached to the outer surface of the housing 100 and covers at least a portion of the receiving groove 111, so as to be directly connected to the driving member 220 received in the receiving groove 111 in a transmission manner. In this embodiment, since the air door 210 rotates along with the casing 100 to open or close the indoor air inlet, and the driving member 220 (for example, a motor) directly outputs the rotation, compared with the driving air door 210 that moves linearly, the driving air door 210 rotates to simplify the transmission and improve the transmission efficiency, so that the phenomenon of locking is not easy to occur, and the power requirement on the driving member 220 can be reduced. And, compare in convertible air door, air door 210 pastes the casing and rotates and to occupy the space when can also reducing air door 210 motion, and air door 210 is difficult to interfere with other parts, is favorable to making new trend device 010's compact structure.

In this embodiment, the air door 210 is plate-shaped, and the air door 210 can block one of the dirty air inlet 101 and the clean air inlet 102 or block both the dirty air inlet 101 and the clean air inlet 102 under the driving of the driving member 220. Because the fresh air device 010 only starts one of the functions at the same time, the same air door 210 is used for alternatively opening the dirty air inlet 101 or the purification air inlet 102, and when the dirty air inlet 101 and the purification air inlet 102 are not used, the air door 210 is used for simultaneously plugging the dirty air inlet 101 and the purification air inlet 102, so that the use number of the air doors 210 and the driving part 220 can be saved, and the cost is reduced. Fig. 4 is a schematic diagram of a fresh air device 010 in a cleaning mode according to an embodiment of the present application; fig. 5 is a schematic view of a fresh air device 010 in an air exhaust mode according to an embodiment of the present application.

In fig. 4, the fresh air device 010 is in the purification mode, the purification air inlet 102 is opened, the dirty air inlet 101 is blocked by the air door 210, and the indoor air enters through the purification air inlet 102 and is sent back to the indoor space from the indoor air outlet 103 after being purified. In fig. 5, the fresh air device 010 is in the air exhaust mode, the dirty air inlet 101 is opened, the purification air inlet 102 is blocked by the air door 210, and the indoor air enters through the dirty air inlet 101 and is exhausted to the outside through the fresh air inlet 411. The fresh air device 010 in fig. 1 is in a fresh air mode, and the air door 210 simultaneously blocks and purifies the air inlet 102 and the dirty air inlet 101, because the fresh air mode does not need to use the two air inlets, and at this time, outdoor fresh air enters from the fresh air inlet 411 and then enters indoors from the indoor air outlet 103.

The specific shape and size of the air door 210 should be set according to the shape and size of the dirty air inlet 101 and the clean air inlet 102. In this embodiment, the damper 210 can completely open the dirty air inlet 101 and the clean air inlet 102 by rotating.

In this embodiment, the driving member 220 may be selected as a motor, and further selected as a stepping motor. The stepping motor can precisely control the rotation angle, so that the position of the air door 210 on the rotation path can be precisely controlled, and the air door 210 can be precisely controlled to open or close the corresponding air inlet. In this embodiment, because the air door 210 is closed or opened to the indoor air intake along with the rotation of the casing 100, compared with the linear driving air door 210, the air door assembly 200 of this embodiment of this application can simplify the transmission, and the transmission efficiency is improved, so the dead phenomenon of card just also can not appear easily, and the power requirement to the driving piece 220 can also be reduced (because energy loss is little, does not need great output torque) simultaneously. And, air door 210 rotates along with casing 100, compares in convertible air door 210, and the space that can reduce when air door 210 moves occupies, and air door 210 is difficult to interfere with other parts, is favorable to making new trend device 010's compact structure.

In the present embodiment, one of the housing 100 and the damper 210 is provided with the first guide groove 112, and the other is provided with the first guide portion 211, and the first guide groove 112 is slidably engaged with the first guide portion 211, and the first guide portion 211 can slide along the first guide groove 112 when the damper 210 rotates with respect to the housing 100. As shown in fig. 2 and 3, the casing 100 of the fresh air device 010 is provided with a first guide groove 112, the damper 210 is provided with a first guide portion 211, and both the first guide groove 112 and the first guide portion 211 extend in the circumferential direction. In the present embodiment, the sliding fit between the first guide groove 112 and the first guide portion 211 allows the damper 210 to rotate in the circumferential direction without being restricted, and displacement in the radial direction is not easily generated during rotation, thus improving the stability of the damper 210.

Further, the damper assembly 200 further includes a pressing member 230, the pressing member 230 is disposed on a side of the damper 210 away from the casing 100 and connected to the casing 100, and the pressing member 230 is used for limiting the movement of the damper 210 in a direction away from the casing 100. In the present embodiment, the pressing member 230 can limit the axial displacement of the damper 210, so that the damper 210 is attached to the outer surface of the casing 100 and is not easy to fall off axially, thereby further improving the stability of the damper 210.

Further, a clamping portion 231 is arranged on the pressing member 230, a clamping groove 115 is arranged on the housing 100, and the clamping portion 231 and the clamping groove 115 are in clamping fit to realize that the pressing member 230 is detachably connected to the housing 100. Through the cooperation of draw-in groove 115, joint portion 231, when guaranteeing structural stability, can conveniently load and unload pressing piece 230, air door subassembly 200. In this embodiment in particular, in an alternative embodiment, the abutment 230 is in the form of an annular plate. The annular plate is designed to expose the indoor air inlet as far as possible, and the material of the pressing piece 230 is saved, so that the weight of the equipment is reduced. A plurality of clamping parts 231 are arranged along the peripheral side of the pressing part 230, a plurality of matching parts 114 corresponding to the clamping parts 231 one by one are arranged on the outer surface of the shell 100, clamping grooves 115 are formed between the matching parts 114 and the outer surface of the shell 100, and the pressing part 230 can rotate relative to the shell 100 to enable the clamping parts 231 to be inserted into the corresponding clamping grooves 115. Make a plurality of joint portions 231 and a plurality of draw-in groove 115 cooperate simultaneously through rotatory mode, the simple high efficiency of cooperation mode, stability is good. And the matching part 114 can effectively block the clamping part 231 in the axial direction, so that the whole pressing part 230 stably presses the air door 210 to avoid the axial falling. In this embodiment, three clamping portions 231 are disposed on the periphery of the pressing member 230, and three matching portions 114 are correspondingly disposed on the surface of the housing 100; in other embodiments, the number of the clamping portions 231 and the matching portions 114 can be adjusted according to the requirement.

Further, a connecting portion 232 is disposed on an outer peripheral side of the pressing member 230, and the connecting portion 232 is provided with a connecting hole for fixedly connecting with the housing 100 by a fastening member such as a screw. After the pressing member 230 is engaged with the engaging groove 115 by screwing, the housing 100 is connected by a screw, which can further enhance the stability of the pressing member 230.

Alternatively, one of the pressing member 230 and the housing 100 is provided with a second guide portion 233, and the other is provided with a second guide groove 113, and the second guide groove 113 is slidably engaged with the second guide portion 233, and the second guide portion 233 can slide along the second guide groove 113 when the pressing member 230 rotates relative to the housing 100. Specifically, in the present embodiment, the surface of the housing 100 is provided with the second guide groove 113, and the pressing member 230 is provided with the second guide portion 233. Since the pressing member 230 is engaged with the engaging groove 115 by rotation, the second guiding groove 113 and the second guiding portion 233 can effectively position and guide the pressing member 230, so that the pressing member 230 can be more easily installed.

Optionally, the protruding points 212 are disposed on the pressing member 230 or the damper 210, and the pressing member 230 and the damper 210 abut against each other through the protruding points 212. In the present embodiment, the embossments 212 are provided on the damper 210. In the present embodiment, when the damper 210 rotates, friction may exist between the damper 210 and the pressing member 230. By providing the convex points 212, the contact area between the pressing member 230 and the damper 210 can be reduced as much as possible, so as to reduce the friction force and the abnormal sound caused by the friction, thereby improving the stability of the device and the user experience.

Fig. 6 is a third exploded view of a fresh air device 010 according to an embodiment of the present application; fig. 7 is a cross-sectional view of a fresh air device 010 in a fresh air mode according to an embodiment of the present application. As shown in fig. 6 and 7, in the present embodiment, the casing 100 includes a fresh air cover 110, a fresh air box 120, and a fan case 130, which are arranged in sequence. The fresh air cover 110 and the fresh air box 120 form a first cavity 105, the fan housing 130 forms a second cavity 106, and the fan 300 is disposed in the second cavity 106. The dirty air inlet 101, the clean air inlet 102 and the air door assembly 200 are disposed on the fresh air cover 110, the indoor air outlet 103 is formed on the fan housing 130, and the first chamber 105 and the second chamber 106 are communicated through the induced draft opening 104, so that the fan 300 can introduce the indoor air from the dirty air inlet 101 and the clean air inlet 102 into the first chamber 105, and then into the second chamber 106 through the induced draft opening 104.

The fresh air device 010 includes a first filter assembly 500 and a second filter assembly 600 disposed in the first chamber 105, the first filter assembly 500 includes a first screen support 510 and a first screen 520, and the second filter assembly 600 includes a second screen support 610 and a second screen 620. As can be seen from fig. 7, the air entering from the dirty air inlet 101 may directly enter the second chamber 106 from the induced air inlet 104 without passing through the first filter assembly 500 and the second filter assembly 600; the purified air entering the air inlet 102 needs to pass through the first filter assembly 500 and the second filter assembly 600 to enter the second chamber 106; air entering from the fresh air opening 411 needs to pass through the second filter assembly 600 before entering the second chamber 106. Therefore, the indoor air entering from the dirty air inlet 101 can be directly discharged outdoors, and the air entering from the purified air inlet 102 and the fresh air inlet can be filtered by the filter assembly as required, so as to improve the cleanliness. In this embodiment, the first filter assembly 500 and the second filter assembly 600 may be drawn out of the housing 100 or inserted into the housing 100 through a window provided in the housing 100, so that maintenance of the first filter assembly 500 and the second filter assembly 600 is facilitated.

In this embodiment, the fresh air device 010 includes an air valve 400, and the air valve 400 is connected to the casing 100 and is communicated with the first chamber 105 and the second chamber 106. The fresh air opening 411 is provided on the air valve 400, so that the air valve 400 can communicate the fresh air opening 411 with the first chamber 105 or communicate the fresh air opening 411 with the second chamber 106. In this embodiment, the damper 400 includes a valve bracket 410, a first door panel 420, a second door panel 430, a first motor 421, a second motor 431, and a seal 440. Wherein, the valve bracket 410 is formed with a fresh air opening 411, a first opening for communicating with the first chamber 105, and a second opening for communicating with the second chamber 106. The first motor 421 is used for driving the first door panel 420 to turn over so as to open or close the first opening; the second motor 431 is used to drive the second door 430 to turn over to open or close the second opening. Moreover, the second door 430 can block the air outlet of the indoor air outlet 103 while opening the second opening, in other words, the air flow originally guided to the indoor air outlet 103 by the fan 300 enters the air valve 400 under the blocking effect of the second door 430, and is then sent out from the fresh air outlet 411. In fig. 6, the first and second openings are connected to form a large opening, which in the assembled state is separated by a seal 440.

Fig. 8 is a schematic diagram of a state of the fresh air device 010 in a fresh air mode according to an embodiment of the present application. As shown in fig. 7 and 8, when the fresh air device 010 is in the fresh air mode, both the purification air inlet 102 and the dirty air inlet 101 are blocked by the air door 210. The first door panel 420 opens the first opening of the air valve 400, and the first chamber 105 is communicated with the fresh air opening 411; the second door panel 430 closes off the second opening and the damper 400 is isolated from the second chamber 106. Therefore, when the blower 300 is started, the outdoor air may enter the first chamber 105 through the fresh air opening 411, enter the second chamber 106 after being filtered by the second filter assembly 600, and then be sent into the room through the indoor air outlet 103. Since some harmful components or particles may exist in the outdoor air, the outdoor air can be purified to some extent through the second filter assembly 600, so that the indoor air quality can be improved. The direction indicated by the hollow arrow in fig. 7 is the direction of the air flow.

Fig. 9 is a cross-sectional view of a fresh air device 010 in a cleaning mode according to an embodiment of the present application; fig. 10 is a schematic diagram of a state of the fresh air device 010 in a purification mode according to an embodiment of the present application. As shown in fig. 9 and 10, when the fresh air device 010 is in the cleaning mode, the cleaning air inlet 102 is opened, and the dirty air inlet 101 is blocked by the air door 210. The first door panel 420 and the second door panel 430 close the first opening and the second opening of the air valve 400, respectively, i.e., the fresh air opening 411 is not activated in the purge mode. When the blower 300 is started, the indoor air may enter the first chamber 105 through the purification inlet 102, enter the second chamber 106 after being filtered by the first filter assembly 500 and the second filter assembly 600, and then be returned to the room through the indoor outlet 103. Because the indoor of using the air conditioner often is more closed, and indoor air quality can worsen gradually along with time, and under the purification mode, indoor air can obtain purifying through first filter assembly 500, second filter assembly 600, so can improve indoor air quality. The direction indicated by the hollow arrow in fig. 9 is the direction of the air flow.

Fig. 11 is a cross-sectional view of a fresh air device 010 in an exhaust mode according to an embodiment of the present application; fig. 12 is a schematic view of a state of the fresh air device 010 in an air exhaust mode according to an embodiment of the present application. As shown in fig. 11 and 12, when the fresh air device 010 is in the air exhaust mode, the dirty air inlet 101 is opened, and the clean air inlet 102 is closed by the damper 210. At this time, the first door plate 420 blocks the first opening of the air valve 400, and the first chamber 105 is not communicated with the fresh air opening 411; the second door 430 opens the second opening, and simultaneously blocks the air outlet 103, and the air valve 400 is communicated with the second chamber 106. Therefore, when the blower 300 is started, the outdoor air may enter the first chamber 105 through the dirty air inlet 101, directly enter the second chamber 106 without passing through the first filter assembly 500 and the second filter assembly 600, and then be sent out to the outdoor through the second opening of the air valve 400 and the fresh air inlet 411. The air discharge mode can actively discharge indoor air deteriorated due to long-term sealing. The direction indicated by the hollow arrow in fig. 11 is the direction of the air flow.

The embodiment of the present application further provides an air conditioner (not shown in the figure), which includes an air conditioner main body and the fresh air device 010 in the above embodiment. The air conditioner may be a wall-mounted air conditioner or a cabinet air conditioner. The air conditioner main body is used for adjusting the indoor temperature. When the air conditioner is a wall-mounted air conditioner, optionally, the fresh air device 010 is arranged at one transverse end of the air conditioner main body, and the indoor air inlet is formed in one side, deviating from the air conditioner main body, of the fresh air device 010 so as to avoid mutual interference with the heat exchange air inlet at the top of the air conditioner main body. The indoor air outlet 103 of the fresh air device 010 is arranged obliquely downwards.

Although the present application is disclosed above, the present application is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present disclosure, and it is intended that the scope of the present disclosure be defined by the appended claims.

Claims

1. The utility model provides a new trend device, its characterized in that, includes casing (100), fan (300) and air door subassembly (200), fan (300) set up in casing (100), fan (300) are used for forming the wind path that runs through new trend device (010), casing (100) are provided with indoor air intake, the outside of casing (100) is provided with storage tank (111), and air door subassembly (200) include air door (210) and driving piece (220), driving piece (220) set up in storage tank (111), storage tank (111) have the bottom and with the opening that the bottom is relative, driving piece (220) pass through the opening of storage tank (111) with air door (210) transmission is connected, driving piece (220) are used for the drive air door (210) for casing (100) motion is in order to open or close indoor air intake.

2. The fresh air device according to claim 1, wherein an opening is formed at one side of the accommodating groove (111), and the opening communicates with the inside and the outside of the accommodating groove (111).

3. The fresh air device according to claim 2, wherein the opening and the indoor air inlet are located on opposite sides of the accommodating groove (111).

4. The fresh air device as claimed in claim 1, wherein a mounting structure is provided in the receiving groove (111), the mounting structure being configured to fix the driving member (220).

5. The fresh air device as claimed in claim 4, wherein the mounting structure comprises at least one of a mounting hole, a clip assembly, and a snap assembly.

6. The fresh air device according to claim 1, wherein the damper (210) is attached to an outer side of the casing (100) and covers at least a portion of the accommodating groove (111), and the driving member (220) is configured to drive the damper (210) to rotate along with the casing (100) to open or close the indoor air inlet.

7. The fresh air device according to claim 6, wherein one of the housing (100) and the damper (210) is provided with a first guide groove (112), and the other is provided with a first guide portion (211), the first guide groove (112) being in sliding engagement with the first guide portion (211), the first guide portion (211) being slidable along the first guide groove (112) when the damper (210) is rotated relative to the housing (100).

8. The fresh air device according to claim 6, wherein the damper (210) is attached to an outer surface of the casing (100), the damper assembly (200) further comprises a pressing member (230), the pressing member (230) is disposed on a side of the damper (210) away from the casing (100) and connected to the casing (100), and the pressing member (230) is used for limiting the movement of the damper (210) in a direction away from the casing (100).

9. The fresh air device as claimed in any one of claims 1 to 8, wherein the indoor air inlet comprises a dirty air inlet (101) and a clean air inlet (102), and the damper (210) is capable of blocking one of the dirty air inlet (101) and the clean air inlet (102) or both the dirty air inlet (101) and the clean air inlet (102) under the driving of the driving member (220).

10. An air conditioner, characterized in that it comprises an air conditioner body and a fresh air device (010) as claimed in any one of claims 1-9, said fresh air device (010) being connected to said air conditioner body.