CN209763446U - Air return assembly for air duct machine and air duct machine - Google Patents

Abstract

The utility model discloses a return air subassembly and tuber pipe machine for tuber pipe machine, return air subassembly include return air frame, a plurality of switch door and drive arrangement, and the return air passageway is injectd to the return air frame, and a plurality of switch doors are installed respectively in the return air frame and are all established in the air entrance department of return air passageway, and the relative return air frame of a plurality of switch doors of drive arrangement drive is movable with the air inlet of switch return air passageway. According to the utility model discloses a return air subassembly for tuber pipe machine has promoted interior decoration's associative perception.

Description

air return assembly for air duct machine and air duct machine

Technical Field

the utility model belongs to the technical field of the air conditioning technique and specifically relates to a return air subassembly and tuber pipe machine for tuber pipe machine is related to.

Background

In the correlation technique, the tuber pipe machine is generally installed in suspended ceiling, and suspended ceiling needs to set up the air inlet of ventilation hole in order to realize the tuber pipe machine, and ventilation hole department sets up the return air panel, for guaranteeing the normal return air of tuber pipe machine, the return air panel adopts grid formula panel usually to satisfy basic return air function.

however, when the air return panel is installed, the interior decoration is obtrusive, and the higher and higher decoration requirements cannot be met; moreover, the return air panel has a common structure and cannot meet the differentiation requirements of users.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a return air subassembly for tuber pipe machine, the return air subassembly has promoted interior decoration's associative perception, is convenient for satisfy user's differentiation requirement.

The utility model discloses still provide an tuber pipe machine of having above-mentioned return air subassembly.

According to the utility model discloses a return air subassembly for tuber pipe machine of first aspect embodiment, include: the air return frame defines an air return channel; the switch doors are respectively installed on the air return frame and are all arranged at an air inlet of the air return channel; a drive device for driving the plurality of switch doors to move relative to the return air frame to switch the air inlet of the return air channel.

According to the utility model discloses a return air subassembly for tuber pipe machine, under the prerequisite of guaranteeing the normal return air of return air passageway, can shelter from the destruction of return air subassembly to interior decoration when the air inlet is closed to the switch door, promoted interior decoration's associative perception, promoted the structure flexibility and the suitability of return air frame simultaneously, be convenient for satisfy user's differentiation requirement.

According to the utility model discloses a some embodiments, air inlet is the rectangle and just includes two first limits on parallel arrangement and two second limits on parallel arrangement, and is a plurality of the switch door along the extending direction on second limit is arranged in proper order for a plurality of switch doors are arranged regularly, are convenient for assemble.

According to the utility model discloses a some embodiments, every the equal more than or equal to of length of switch door the length on first side to guarantee interior decoration's associative perception.

According to the utility model discloses a some embodiments are a plurality of the switch door all is located and closes during the position of air inlet, every adjacent two the switch door is all seamless concatenation or seamless overlap joint to a plurality of switch doors have further been guaranteed and have been effectively sheltered from to interior decoration destruction.

According to some embodiments of the utility model, it is a plurality of the switch door all is located and closes during the position of air inlet, it is a plurality of the surface of switch door all is located the coplanar for the outward appearance face of return air subassembly is changed and is fused as an organic whole with interior decoration.

according to the utility model discloses a some embodiments are a plurality of the switch door all is located and closes during air inlet's position, air inlet is a plurality of completely the switch door shields, has guaranteed interior decoration's associative perception.

According to the utility model discloses a some embodiments, every the structural shape of switch door is the same all to in promotion production efficiency.

According to the utility model discloses a some embodiments, drive arrangement is every through the same actuating mechanism drive the switch door motion to in the setting of simplifying actuating mechanism, reduce cost.

According to some embodiments of the present invention, the driving device is configured to drive a plurality of the switching doors in a synchronous motion, so as to simplify the control logic of the plurality of switching doors.

According to the utility model discloses a few embodiments, drive arrangement constructs into the drive a plurality ofly the switch door independent motion respectively is convenient for enrich the control logic of a plurality of switch doors.

According to the utility model discloses a some embodiments, the switch door is N, N satisfies: n is more than or equal to 2 and less than or equal to 4, so that the air return component can be fused in indoor decoration, and the integral sense of the indoor decoration is ensured.

According to the utility model discloses tuber pipe machine of second aspect embodiment, include according to the utility model discloses the return air subassembly that is used for tuber pipe machine of above-mentioned first aspect embodiment.

according to the utility model discloses tuber pipe machine through adopting foretell return air subassembly, has effectively promoted interior decoration's associative perception, and the differentiation that is convenient for satisfy the user requires in order to promote user experience.

According to some embodiments of the present invention, the driving device drives each the switch door is all opened with the pivoted mode the air inlet, just the driving device drives every the switch door is opening the in-process of air inlet makes the uncovered orientation of air inlet with the uncovered orientation of the air outlet of tuber pipe machine is opposite.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

Fig. 1 is a schematic view of a return air assembly according to an embodiment of the present invention, wherein the opening and closing door is in a position closing the air inlet;

FIG. 2 is an enlarged view of section E circled in FIG. 1;

FIG. 3 is a front view of the return air assembly shown in FIG. 1;

FIG. 4 is a top plan view of the return air assembly shown in FIG. 1;

Fig. 5 is a side view of the return air assembly shown in fig. 1;

FIG. 6 is an enlarged view of portion A circled in FIG. 5;

fig. 7 is a schematic view of a return air assembly according to another embodiment of the present invention, wherein the switching door is in a position closing the air inlet;

Fig. 8 is a schematic view of the cooperation between two adjacent opening and closing doors according to an embodiment of the present invention;

Fig. 9 is a schematic view of the cooperation between two adjacent opening and closing doors according to another embodiment of the present invention;

Fig. 10 is a schematic view of a return air assembly according to an embodiment of the present invention, wherein the switching door is in a position to open the air inlet;

FIG. 11 is an enlarged view of portion B encircled in FIG. 10;

Fig. 12 is a side view of the return air assembly shown in fig. 10;

Fig. 13 is a cross-sectional view of the return air assembly shown in fig. 10;

FIG. 14 is an enlarged view of the portion C encircled in FIG. 13;

fig. 15 is another cross-sectional view of the return air assembly shown in fig. 10;

Fig. 16 is a schematic view of a return air assembly according to another embodiment of the present invention, wherein the switching door is in a position to open the air inlet;

Fig. 17 is a schematic view of the door movement of the return air assembly shown in fig. 16;

FIG. 18 is an enlarged view of portion D circled in FIG. 17;

Fig. 19 is an installation schematic of a ducted air conditioner according to an embodiment of the present invention;

Fig. 20 is an installation schematic diagram of a ducted air conditioner according to another embodiment of the present invention.

Reference numerals:

An air duct machine 200, an air outlet 101,

an air return component 100, a preset plane 100a,

a return air frame 1, a return air channel 10, an air inlet 10a, a first side 10b, a second side 10c,

A guide cutting 11, an avoiding opening 12, a notch 13,

The opening and closing door 2, the pivoting piece 20, the door body 21, the side 22, the sliding groove 221,

A drive device 3, a first driver 31, a second driver 32,

A first gear rack mechanism 311, a first motor 312, a pushing mechanism 321, a second motor 322,

A first rack member 3111, a guide slot 3111a, a first gear member 3112,

A rolling body 3210, a push rod member 3211, a first end 3211a, a second end 3211b, an arc-shaped rod 3211c,

A second gear member 3212, a second gear member 3213, a free end 3213a,

detection module 4, electronic control module 5, filter screen 6.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

A return air assembly 100 for a duct machine 200 according to an embodiment of the present invention is described below with reference to the drawings. The duct type air conditioner 200 is an air duct type air conditioner.

As shown in fig. 1, 10 and 14, a return air assembly 100 for a duct machine 200 according to an embodiment of the present invention includes a return air frame 1, a plurality of switch doors 2 and a driving device 3.

The return air frame 1 defines a return air passage 10, the return air passage 10 has an air inlet 10a, the plurality of switch doors 2 are respectively mounted to the return air frame 1 and the plurality of switch doors 2 are each provided at the air inlet 10a of the return air passage 10, and the driving device 3 drives the plurality of switch doors 2 to be movable relative to the return air frame 1 to open and close the air inlet 10a of the return air passage 10.

Drive arrangement 3 can install in return air frame 1, drive arrangement 3 links to each other with a plurality of switch door 2 of drive and moves in order to drive a plurality of switch door 2, make a plurality of switch door 2 can open air inlet 10a, also can close air inlet 10a, a plurality of switch door 2 can adapt to different shapes, the air inlet 10a of size, make return air frame 1 have good design flexibility, be convenient for satisfy user's differentiation requirement, single switch door 2's size has been reduced simultaneously, and is convenient for process, and the required space of a plurality of switch door 2 switch air inlet 10a in-process has been saved, collision user or other parts when avoiding switch door 2 switch air inlet 10a, the use experience of return air subassembly 100 has been promoted.

Wherein, between the position of opening the air inlet 10a and the position of closing the air inlet 10a, the switch door 2 moves to realize position switching, the specific movement mode of the switch door 2 can be set according to actual requirements, and the air inlet 10a can be opened and closed only by ensuring that the switch door 2 can move; for example, the driving device 3 may drive the opening and closing door 2 to move, or the driving device 3 may drive the opening and closing door 2 to rotate, or the driving device 3 may drive the opening and closing door 2 to move and rotate simultaneously, but is not limited thereto.

It is understood that, during the movement of the opening and closing door 2, the central plane of the opening and closing door 2 is always parallel to the preset plane 100a, wherein, when the opening and closing door 2 is at the position of closing the air inlet 10a, the central plane in the thickness direction of the opening and closing door 2 is the preset plane 100 a.

When the opening and closing door 2 opens the air inlet 10a, the return air passage 10 can communicate with the external environment through the air inlet 10 a; when the opening and closing door 2 closes the air inlet 10a, the opening and closing door 2 may shield the air inlet 10 a. Wherein, every switch door 2 can be directly installed in return air frame 1, also can install in return air frame 1 indirectly, for example when switch door 2 installs in return air frame 1 indirectly, switch door 2 can install in return air frame through drive arrangement 3.

It is understood that the driving means 3 may be one or more; when the number of the driving devices 3 is one, the driving devices 3 are connected with the plurality of opening and closing doors 2 to drive the plurality of opening and closing doors 2 to move, and at the moment, the driving devices 3 can drive the plurality of opening and closing doors 2 to move through a transmission mechanism and the like; when the driving device 3 is multiple, if the multiple driving devices 3 are arranged in one-to-one correspondence with the multiple opening and closing doors 2, each driving device 3 is connected with the corresponding opening and closing door 2 to drive the corresponding opening and closing door 2 to move, at the moment, the movement among the multiple opening and closing doors 2 can be mutually independent and does not interfere, and if at least one driving device 3 in the multiple driving devices 3 corresponds to the multiple opening and closing doors 2, the driving device 3 can drive the multiple opening and closing doors 2 to move through a transmission mechanism and the like.

When the return air assembly 100 is used in the duct unit 200, the return air assembly 100 may be installed on a ceiling, a wall, or the like. When the ducted air conditioner 200 operates, the driving device 3 can drive the plurality of switch doors 2 to move so as to open the air inlets 10a, air can flow into the return air channel 10 through the air inlets 10a and finally is blown out from the air outlet 101 of the ducted air conditioner 200, and normal air outlet of the ducted air conditioner 200 is achieved; when the ducted air conditioner 200 stops operating, the driving device 3 can drive the switch door 2 to move to close the air inlet 10a, at the moment, the switch door 2 can shield the air inlet 10a, so that foreign matters such as dust and the like can be prevented from entering the air return channel 10 to influence the air return of the air return component 100, compared with a grid type structure in the prior art, the dust between grid intervals is difficult to clean, the air return component 100 in the application is convenient to clean and maintain, the switch door 2 can at least partially shield the damage of the air return component 100 to indoor decoration such as a ceiling or a wall and the like, so that the air return component 100 can be hidden from the indoor decoration, the indoor decoration integrity is prevented from being damaged due to the fact that the indoor decoration generates a sharp feeling, and therefore the air return component 100 and a ceiling or the wall form a smooth whole, the air return component 100 and the indoor decoration style are well integrated, and the integral feeling of the, thereby better meeting higher decoration and aesthetic requirements.

It is understood that when the return air assembly 100 is applied to the duct unit 200, the air inlet 10a may be formed as an air inlet of the duct unit 200, or may be formed between the air inlet and the air outlet of the duct unit 200.

in the description of the present invention, "a plurality" means two or more. For example, in the examples of fig. 1, 10 and 16, there are two switching gates 2, and for example, in the example of fig. 7, there are three switching gates 2, but of course, there may be four or more switching gates 2.

According to the utility model discloses a return air subassembly 100 for tuber pipe machine 200, locate to set up movable a plurality of switch door 2 with switch air inlet 10a through the air inlet 10a at return air passageway 10, thereby under the prerequisite of guaranteeing the normal return air of return air passageway 10, can shelter from return air subassembly 100 to the destruction of interior decoration when switch door 2 closes air inlet 10a, the associative perception of interior decoration has been promoted, the structural flexibility and the suitability of return air frame 1 have been promoted simultaneously, be convenient for satisfy user's differentiation requirement, thereby user's experience effect has been promoted.

In some optional embodiments of the present invention, the air inlet 10a is rectangular and the air inlet 10a includes two first sides 10b arranged in parallel and two second sides 10c arranged in parallel, the first sides 10b and the second sides 10c may be both formed as straight sides, and the plurality of switch doors 2 are arranged in sequence along the extending direction of the second sides 10 c. For example, in the example of fig. 1 and 2, two first sides 10b and two second sides 10c jointly surround the air inlet 10a, the second sides 10c may be formed as short sides of a rectangle defined by the air inlet 10a, the first sides 10b are long sides of the rectangle, and the plurality of opening and closing doors 2 are sequentially arranged along the extending direction of the short sides of the rectangle, so that the plurality of opening and closing doors 2 are regularly arranged to facilitate the assembly of the return air assembly 100.

Of course, the second side 10c may also be formed as a long side of a rectangle defined by the air inlet 10a, in which case the first side 10b is a short side of the rectangle, and in which case the plurality of opening and closing doors 2 are sequentially arranged along the extending direction of the long side of the rectangle, which also facilitates the assembly of the return air assembly 100.

It is understood that a plurality of the switch doors 2 may also be arranged along the extending direction of the first side 10b and the extending direction of the second side 10c, and a plurality of the switch doors 2 may be arranged in a plurality of rows and a plurality of columns, for example, a plurality of the switch doors 2 may be arranged in a plurality of rows along the extending direction of the first side 10b and a plurality of columns along the extending direction of the second side 10 c.

Further, the air inlet 10a may also be formed in other shapes, not limited to a rectangular shape.

Specifically, in the example of fig. 1 and 2, the length of each of the switching doors 2 is greater than or equal to the length of the first edge 10b, so that the plurality of switching doors 2 can completely shield the air inlet 10a in the extending direction of the first edge 10b, thereby further ensuring that the plurality of switching doors 2 shield the damage of the return air assembly 100 to the interior decoration, and ensuring the sense of integrity of the interior decoration.

it is understood that the length of the opening and closing door 2 may also be smaller than the length of the first side 10b, so that there is a difference between the length of the opening and closing door 2 and the length of the first side 10b, and the difference does not exceed a set value, so as to ensure the shielding effect of a plurality of opening and closing doors 2. The set value can be set according to actual needs, for example, the set value can be 5mm, but is not limited thereto.

The utility model discloses a in some embodiments, when a plurality of switch door 2 all are located the position of closing air inlet 10a, every two adjacent switch door 2 all have no gap concatenation or no gap overlap joint to when further having guaranteed a plurality of switch door 2 and closing air inlet 10a, a plurality of switch door 2 can effectively shelter from return air subassembly 100 to interior decoration's destruction, avoid the user to directly see return air frame 1 etc. through the clearance between two adjacent switch door 2 and lead to interior decoration to produce sharp sensation.

For example, in the example of fig. 8, when the plurality of opening and closing doors 2 are located at the position for closing the air inlet 10a, every two adjacent opening and closing doors 2 are not spliced together in a gap manner, and the end faces of every two adjacent opening and closing doors 2 facing each other are arranged in contact, and at this time, if the outer surfaces of the two adjacent opening and closing doors 2 are located on the same plane, the appearance surface of the air return assembly 100 is more flat and more easily integrated with interior decoration as viewed from the appearance of the air return assembly 100; for another example, in the example of fig. 9, when the plurality of opening and closing doors 2 are located at the position for closing the air inlet 10a, every two adjacent opening and closing doors 2 are not overlapped with each other in a gap, every two adjacent opening and closing doors 2 are overlapped with each other, and are arranged in contact with each other in the thickness direction of the opening and closing doors 2, and at this time, the overlapping length between two adjacent opening and closing doors 2 may be specifically set according to the actual application.

It can be understood that when the plurality of opening and closing doors 2 are all located at the position where the air inlet 10a is closed, there is no gap splice between at least one set of two adjacent opening and closing doors 2 among the plurality of opening and closing doors 2 and no gap lap joint between at least one set of two adjacent opening and closing doors 2.

Of course, when a plurality of the opening and closing doors 2 are located at the position of closing the air inlet 10a, there may be a certain interval between every two adjacent opening and closing doors 2, for example, the interval between two adjacent opening and closing doors 2 may not exceed 5mm, thereby facilitating the assembly of the opening and closing doors 2.

in some embodiments of the utility model, as shown in fig. 1 and 7, when a plurality of switch door 2 all are located the position of closing air inlet 10a, the surface of a plurality of switch door 2 all is located the coplanar, then see from the outward appearance of return air subassembly 100, the outward appearance face of return air subassembly 100 is more level and smooth, fuse into an organic whole with interior decoration more easily, for example, return air subassembly 100 installs when suspended ceiling, the surface of a plurality of switch door 2 of being convenient for can form a smooth whole with suspended ceiling, be favorable to strengthening the whole sense of interior decoration, avoid producing obtrusive sensation, and the surface of every switch door 2 can all form into the plane, make things convenient for the processing of switch door 2.

It can be understood that the thicknesses of the switch doors 2 can be the same or different, and it is only necessary to ensure that the outer surfaces of the switch doors 2 are all located on the same plane. Note that the direction "out" refers to a direction away from the center of the return air assembly 100.

In some embodiments of the utility model, when a plurality of switch doors 2 all are located the position of closing air inlet 10a, air inlet 10a is shielded by a plurality of switch doors 2 completely, then when a plurality of switch doors 2 all are located the position of closing air inlet 10a, the orthographic projection of the border of air inlet 10a on switch door 2 does not fall in the outside of the outward flange of a plurality of switch doors 2, for example, the orthographic projection of the border of air inlet 10a on switch door 2 is located the inboard of the outward flange of a plurality of switch doors 2, or the orthographic projection of the border of air inlet 10a on switch door 2 falls on the outward flange of a plurality of switch doors 2, make a plurality of switch doors 2 shelter from air inlet 10a completely, avoid the user directly to see air inlet 10a and lead to producing abrupt sense, guaranteed interior decoration's associative perception.

Further, when a plurality of switch doors 2 all were in the position of closing air inlet 10a, the orthographic projection of return air frame 1 on switch door 2 falls completely in a plurality of switch doors 2, so that return air frame 1 is a plurality of being sheltered from by switch door 2 completely, then when switch door 2 is in the position of closing air inlet 10a, the outward flange of the orthographic projection of return air frame 1 on switch door 2 is located the inboard of the outward flange of a plurality of switch doors 2, a plurality of switch doors 2 can shelter from return air frame 1 completely this moment, make a plurality of switch doors 2 effectively shelter from the destruction of return air subassembly 100 to interior decoration global sense, the global sense of interior decoration has further been promoted.

It can be understood that when the plurality of switch doors 2 are all in the position of closing the air inlet 10a, the orthographic projection of the air return frame 1 on the switch doors 2 can also be at least partially located outside the outer edges of the plurality of switch doors 2, or the orthographic projection of the air return frame 1 on the switch doors 2 falls on the outer edges of the plurality of switch doors 2, so that the plurality of switch doors 2 can also effectively shield the damage of the air return component 100 to the overall indoor decoration feeling, and the overall feeling of the indoor decoration is ensured.

In some optional embodiments of the present invention, the structural shape of each switch door 2 is the same. For example, in the example of fig. 1, each of the switching doors 2 may be formed in a substantially rectangular shape, and the plurality of switching doors 2 may have the same size, so that mass production of the switching doors 2 is facilitated, which is advantageous for improving production efficiency. Of course, the opening and closing door 2 may be formed in other shapes, such as square, trapezoid, triangle, etc.

It can be understood that, the structural shape of a plurality of switch doors 2 can also be not identical, and a plurality of switch doors 2 can mutually support in order to realize closing of air inlet 10a this moment for a plurality of switch doors 2 have good structural diversity, thereby further make a plurality of switch doors 2 can adapt to different air inlets 10a, make the design of return air frame 1 more nimble, in order to satisfy user's different demands.

Optionally, the driving device 3 drives each of the switch doors 2 to move through the same driving mechanism, and then the switch doors 2 may be respectively driven by the same driving mechanisms, so that the moving modes of the switch doors 2 are the same, thereby facilitating the simplification of the setting of the driving mechanism and reducing the cost. For example, in the examples of fig. 13 and 18, both of the switching doors 2 may be moved by a rack and pinion structure.

The utility model discloses a in some optional embodiments, drive arrangement 3 constructs into a plurality of switch door 2 synchronous motion of drive, and drive arrangement 3 operation promptly, a plurality of switch doors 2 can synchronous motion, and drive arrangement 3 stall, a plurality of switch door 2 simultaneous stop motion to realized the synchronism of a plurality of switch door 2 motions, be convenient for simplify the control logic of a plurality of switch doors 2, make return air subassembly 100 control simple, it is with low costs.

The utility model discloses a in some optional embodiments, drive arrangement 3 constructs into a plurality of switch door 2 of drive independent motion respectively, then independent each other between the motion of a plurality of switch door 2, mutually noninterfere, a plurality of switch door 2 can synchronous motion this moment, also can non-synchronous motion, make the control of a plurality of switch door 2 have the variety, the control logic of a plurality of switch door 2 has been richened, can make return air subassembly 100 have different mode, with the differentiation requirement that further satisfies the user, promote user experience.

Specifically, the number of the switching gates 2 is N (N is a positive integer), and N satisfies: n is more than or equal to 2 and less than or equal to 4, namely the number of the opening and closing doors 2 can be 2, 3 or 4, so that the number of the opening and closing doors 2 is proper, the air return assembly 100 can be fused with indoor decoration such as a suspended ceiling, the size of a single opening and closing door 2 is reasonable, the width of the opening and closing door 2 can be reduced, when the opening and closing door 2 is opened, the space required by the opening and closing door 2 is relatively less, for example, when the air return assembly 100 is installed on the ceiling, the occupied space except the ceiling is relatively less when the opening and closing door 2 is opened, the abrupt feeling is reduced, and the integral feeling of the indoor decoration when the opening and closing door 2 is positioned at the position of the opening air inlet 10a is further.

it is understood that the number of the switch doors 2 can also be set to 5 or more than 5 according to actual requirements.

According to the present invention, the duct machine 200 according to the second aspect of the present invention includes the return air assembly 100 for the duct machine 200 according to the first aspect of the present invention. The duct unit 200 may be installed on a ceiling of a room, but is not limited thereto.

when the return air assembly 100 is applied to the duct unit 200, the air inlet 10a may be formed as an air inlet of the duct unit 200, but is not limited thereto.

According to the utility model discloses tuber pipe machine 200, through adopting foretell return air subassembly 100, effectively promoted interior decoration's associative perception, the differentiation that is convenient for satisfy the user requires in order to promote user experience.

In some embodiments of the present invention, the driving device 3 drives each switch door 2 to open the air inlet 10a in a rotating manner, and when the switch door 2 is switched between the position of closing the air inlet 10a and the position of opening the air inlet 10a, the switch door 2 can be switched only by rotating, or the switch door 2 can be switched by rotating and moving, but not limited thereto. The driving device 3 drives each switch door 2 to make the opening direction of the air inlet 10a opposite to the opening direction of the air outlet 101 of the duct machine 200 in the process of opening the air inlet 10a, thereby further ensuring that the air return assembly 100 can be integrated with interior decoration when the switch door 2 opens the air inlet 10 a.

For example, in the example of fig. 19 and 20, the duct unit 200 may be mounted to a ceiling, the outlet ports 101 may be provided at intervals on the left side of the air inlet port 10a, and the rotation axis of the switching door 2 may be provided on the side of the air inlet port 10a adjacent to the outlet ports 101; in-process that air inlet 10a was opened to switch door 2, switch door 2 can clockwise rotation, the uncovered orientation of air inlet 10a can roughly be right this moment, the uncovered orientation of the air outlet 101 of tuber pipe machine 200 can roughly be left, and user's active area is the air-out side of tuber pipe machine 200, then user's active area can be the left side below of air outlet 101, even the user raises the head and looks over return air subassembly 100 this moment, because the sheltering from of switch door 2, be used for still can't directly see return air frame 1, further guaranteed return air subassembly 100 and interior decoration integration, thereby effectively guaranteed interior decoration's associative perception. Wherein, the switch door 2 shown in fig. 20 can realize position switching only by rotation under the driving action of the driving device 3, and the switch door 2 shown in fig. 19 can realize position switching by moving (including translation and movement along a curved track) and rotating under the driving action of the driving device 3.

It should be noted that "opposite" in the above description is not strictly opposite, but means that the general orientation of the opening of the air inlet 10a is opposite to the general orientation of the opening of the air outlet 101; also, the structure of the duct machine 200 shown in fig. 19 and 20 is exemplary only for explanation, and not to be construed as a limitation of the present invention.

Other constructions and operations of the ducted air conditioner 200 according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.

The return air assembly 100 and the duct unit 200 for the duct unit 200 according to the embodiment of the present invention will be described in detail below in three specific embodiments with reference to the drawings. It is to be understood that the following description is illustrative only and is not intended as a specific limitation on the invention.

example one

In the present embodiment, as shown in fig. 1, 4 and 10, the air return assembly 100 includes an air return frame 1, a switching door 2 and a driving device 3, a detection module 4, an electronic control module 5 and a filter screen 6.

The air return frame 1 is roughly formed into the cuboid structure, and the air return channel 10 is injectd to air return frame 1, and air return channel 10 has air inlet 10a, and detection module 4 and switch door 2 all establish in air inlet 10a department, and detection module 4 can be used for detecting indoor temperature, user's position etc. and automatically controlled module 5 installs in air return frame 1, and filter screen 6 establishes in order to filter the air current that flows in air return channel 10.

The air inlet 10a is rectangular, the air inlet 10a includes two first sides 10b arranged in parallel and two second sides 10c arranged in parallel, the second sides 10c may be formed as short sides of the rectangle defined by the air inlet 10a, and the first sides 10b are long sides of the rectangle; the switch door 2 is two, and two switch doors 2 arrange in proper order along the extending direction on second limit 10c, and two switch doors 2's structural shape is the same and all forms into the rectangle, and every switch door 2's surface all forms the plane, and when two switch doors 2 all were located the position of closing air inlet 10a, two switch door 2's surface all was located the coplanar.

Each opening and closing door 2 comprises a door body 21 and a side edge 22, wherein the side edge 22 is arranged on the door body 21, the direction of the side edge 22 facing the air return frame 1 is perpendicular to the door body 21 and extends, a sliding groove 221 is formed in the side edge 22, the extending direction of the sliding groove 221 is approximately parallel to the central plane of the door body 21, and a rolling body 3210 is arranged in the sliding groove 211. The air return frame 1 is provided with a notch 13, the side wall of the air return frame 1 is provided with an avoiding opening 12, the avoiding opening 12 is concave towards the direction far away from the switch door 2, the avoiding opening 12 is communicated with the notch 13, when the switch door 2 is at the position of closing the air inlet 10a, the rolling body 3210 is accommodated in the avoiding opening 12 through the notch 13, and the switch door 2 is ensured to smoothly rotate to the position of closing the air inlet 10 a.

the driving device 3 is installed on the air return frame 1, the driving device 3 drives the opening and closing door 2 to move relative to the air return frame 1 to open and close the air inlet 10a, and the driving device 3 is configured to drive the two opening and closing doors 2 to move independently, namely, the two opening and closing doors 2 move independently and mutually independently.

Specifically, as shown in fig. 10, there are two driving devices 3, the two driving devices 3 and the two switch doors 2 are respectively arranged in a one-to-one correspondence manner, and each switch door 2 is respectively installed on the air return frame 1 through the corresponding driving device 3; the driving device 3 includes a first driver 31 and a second driver 32, each of the doors 2 has a first driver 31 and a second driver 32 respectively disposed at two ends in a length direction (e.g., a left-right direction in fig. 10), the first driver 31 drives the doors 2 to translate in a direction perpendicular to the predetermined plane 100a so as to facilitate rapid switching of the position of the doors 2, and the second driver 32 drives the doors 2 to rotate about the pivot 20 provided on the first driver 31.

Further, as shown in fig. 10 and 19, the first driver 31 drives the opening and closing door 2 to translate within a distance range of 0mm to h (inclusive), the pivot member 20 is provided at one side (e.g., the front side in fig. 10) corresponding to the width direction of the opening and closing door 2, and the second driver 32 drives the opening and closing door 2 to rotate within an angle range of 0 to α (inclusive). The pivoting member 20 may be a pivoting hole or a pivoting shaft; when the pivot member 20 of the first driver 31 is a pivot hole, the first driver 31 may be hinged to the opening/closing door 2 by a pivot shaft, which may be provided on the opening/closing door 2, or the pivot shaft may be formed as a separate component from the first driver 31 and the opening/closing door 2, and when the pivot member 20 of the first driver 31 is a pivot shaft, a pivot hole may be formed on the opening/closing door 2 to cooperate with the pivot shaft, so as to realize the hinge connection of the first driver 31 to the opening/closing door 2.

h. Alpha respectively satisfies h is more than or equal to 3mm and less than or equal to 10mm, and alpha is more than or equal to 20 degrees and less than or equal to 90 degrees, thereby ensuring the air quantity at the air inlet 10a, avoiding the higher requirement on the driving device 3 due to the overlarge h and alpha, saving the occupied space of the driving device 3 and reducing the cost. Where h may be understood as the distance that the first driver 31 drives the opening/closing door 2 to translate when the opening/closing door 2 is in the extreme position for opening the air inlet 10a, or the maximum translation distance of the opening/closing door 2 in the direction perpendicular to the preset plane 100a, and α may be the rotation angle of the opening/closing door 2 when the opening/closing door 2 is in the extreme position for opening the air inlet 10a, or the maximum rotation angle of the opening/closing door 2 with reference to the position of the opening/closing door 2 for closing the air inlet 10 a. Alternatively, h may be 3mm, or 5mm, or 8mm, or 10mm, etc., and α may be 20 °, or 30 °, or 45 °, or 65 °, or 90 °, etc.

It is understood that the first driver 31 drives the switch door 2 to translate, and it is understood that the first driver 31 drives a part of the switch door 2 to translate, and the direction of the translation of the switch door 2 driven by the first driver 31 may also be an acute angle with the preset plane 100 a; the process of the first driver 31 driving the opening and closing door 2 to translate may not be in sequence with the process of the second driver 32 driving the opening and closing door 2 to rotate, for example, the opening and closing door 2 may translate first and then rotate, or the opening and closing door 2 may rotate first and then translate, or the opening and closing door 2 may translate and rotate simultaneously during the process of the opening and closing door 2 moving from the position of closing the air inlet 10a to the position of opening the air inlet 10a, but is not limited thereto.

As shown in fig. 10, 13 and 14, the first driver 31 includes a first rack and pinion mechanism 311 and a first motor 312, the first rack and pinion mechanism 311 includes a first rack member 3111 and a first gear member 3112, the first gear member 3112 is provided on the return air frame 1 and the first gear member 3112 is engaged with the first rack member 3111, and the pivot member 20 is provided at a free end of the first rack member 3111 such that the first rack member 3111 is hinged with the opening and closing door 2; the first rack member 3111 and the return air frame 1 are slidably engaged through the guide slot 3111a and the guide insert 11 engaged with each other to be reciprocally translated with respect to the return air frame 1 perpendicular to the preset plane 100 a. Wherein, the guide slot 3111a is formed on the first rack 3111, the guide slip 11 is provided on the return air frame 1, and the guide slip 11 is inserted into the guide slot to slide relative to the guide slot 3111a, so that the first rack 3111 translates along the guide slip 11.

The first motor 312 is directly or indirectly connected to the first gear 3112 to drive the first gear 3112 to rotate, and during the rotation of the first gear 3112, the first gear 3111 is driven to translate to drive the switch door 2 to translate. The first motor 312 is a stepping motor.

Of course, the first actuator 31 may also be formed in other configurations to effect the reciprocal translation of the switching door 2, such as a ball screw mechanism.

As shown in fig. 10 and 13, the second driver 32 includes a pushing mechanism 321 and a second motor 322, the pushing mechanism 321 is disposed between the air return frame 1 and the switch door 2, the pushing mechanism 321 is respectively engaged with the air return frame 1 and the switch door 2, the second motor 322 is connected to the pushing mechanism 321 to drive the pushing mechanism 321 to push the switch door 2 to rotate around the pivot member 20, that is, during the process that the second motor 322 drives the pushing mechanism 321 to move, the pushing mechanism 321 pushes the switch door 2 to rotate around the pivot member 20. Wherein the second motor 322 is a stepper motor.

the pushing member 321 includes a push rod member 3211, and the two ends of the length of the push rod member 3211 are a first end 3211a and a second end 3211b, the first end 3211a is disposed away from the pivot member 20, and the first end 3211a is hinged to the return air frame 1, the first end 3211a is directly or indirectly connected to the second motor 322 to be driven by the second motor 322 to rotate, so that the second motor 322 can drive the push rod member 3211 to rotate around the first end 3211a relative to the return air frame 1, and the second end 3211b is slidably engaged with the switch door 2 through a rolling element 3210, so as to reduce the pushing resistance and save energy consumption. During the process that the second motor 322 drives the first end 3211a to rotate, the second end 3211b rotates around the first end 3211a to slide along the switch door 2 so as to push the switch door 2 to rotate around the pivot 20.

Wherein, because second end 3211b and switch door 2 sliding fit for first end 3211a has good flexibility with the setting of the hinge position of return air frame 1, thereby avoided leading to the unable switch door 2 that promotes of second end 3211b to rotate because of the axis of rotation of push rod spare 3211 (being the axis of rotation of first end 3211 a) and switch door 2's axis of rotation (being the central axis of pivot spare 20) misalignment, and then made things convenient for arranging of pushing mechanism 321, be convenient for realize return air subassembly 100's reasonable overall arrangement.

As shown in fig. 13, the push rod 3211 is an arc rod 3211c, an axial direction (or called center line) of the arc rod 3211c is an arc line, the arc rod 3211c is convexly curved toward a direction away from the pivot component 20 to prevent the arc rod 3211c from interfering with the switch door 2, and when the second end 3211b pushes the switch door 2 to rotate around the pivot component 20, the second end 3211b receives a reaction force F applied by the switch door 2, and since the axis of the arc rod 3211c is an arc line, an included angle between the direction of the reaction force F and an extending direction of the arc line is conveniently reduced, so that the arc rod 3211c mainly bears an axial load, and thus the arc rod 3211c is reasonably stressed and has good load bearing capability, thereby ensuring the use reliability of the push rod 3211.

According to the utility model discloses return air subassembly 100 has realized the normal return air of return air subassembly 100, and switch door 2 can shelter from return air subassembly 100 to interior decoration's destruction, has promoted interior decoration's whole aesthetic feeling, and return air frame 1 has good design flexibility simultaneously, is convenient for satisfy user's differentiation requirement.

As shown in fig. 19, the air duct machine 200 includes the return air assembly 100, and the return air assembly 100 is the return air assembly 100 shown in fig. 1, wherein the air inlet 10a is formed as an air inlet of the air duct machine 200, a user can repair and maintain the air duct machine 200 through the air inlet 10a, and the second driver 32 drives the switch door 2 to open the air inlet 10a, so that the opening of the air inlet 10a faces the opposite direction to the opening of the air outlet 101 of the air duct machine 200.

According to the utility model discloses tuber pipe machine 200, through adopting foretell return air subassembly 100, effectively promoted interior decoration's associative perception, made things convenient for tuber pipe machine 200's maintenance.

Example two

As shown in fig. 7, the present embodiment has substantially the same structure as the first embodiment, wherein the same reference numerals are used for the same components, except that: the switch doors 2 are three, the three switch doors 2 are all formed into a rectangle, two of the switch doors 2 are sequentially arranged along the extending direction of the first edge 10b, and the two switch doors 2 and the other switch door 2 are arranged along the extending direction of the second edge 10 c.

EXAMPLE III

As shown in fig. 16 to 18, the present embodiment has substantially the same structure as the first embodiment, wherein the same reference numerals are used for the same components, except that: the pushing mechanism 321 is different in structure.

specifically, as shown in fig. 16 and 18, the pushing mechanism 321 includes a second gear 3212 and a second gear 3213, the second gear 3212 is disposed on the air return frame 1, the second gear 3212 is directly or indirectly connected to the second motor 322 to be driven by the second motor 322 to rotate, the second gear 3213 is engaged with the second gear 3212, and a free end 3213a of the second gear 3213 is slidably engaged with the switching door 2 through a rolling element 3210. During the process that the second motor 322 drives the second gear member 3212 to rotate, the second gear member 3213 translates relative to the air return frame 1, and the free end 3213a slides along the switch door 2 to push the switch door 2 to rotate around the pivot member 20.

It will be appreciated that when the first actuator 31 drives the switching door 2 to translate, the pivoting member 20 may follow the switching door 2 to translate synchronously, and at this time, the translation of the second toothed member 3213 may not be synchronized with the translation of the pivoting member 20, so as to realize the rotation of the switching door 2 about the pivoting member 20.

in the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "inner", "outer", "clockwise", "axial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more.

in the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (13)

1. A return air assembly for a ducted air conditioner, comprising:

The air return frame defines an air return channel;

The switch doors are respectively installed on the air return frame and are all arranged at an air inlet of the air return channel;

A drive device for driving the plurality of switch doors to move relative to the return air frame to switch the air inlet of the return air channel.

2. The return air assembly for the duct unit according to claim 1, wherein the air inlet is rectangular and includes two first sides arranged in parallel and two second sides arranged in parallel, and the plurality of opening and closing doors are arranged in sequence along an extending direction of the second sides.

3. The return air assembly for a duct unit as set forth in claim 2, wherein each of said switching doors has a length equal to or greater than a length of said first side.

4. The return air assembly for a duct unit according to claim 2, wherein when a plurality of the opening/closing doors are located at positions closing the air inlet, each adjacent two of the opening/closing doors are joined together without a gap or a gap.

5. The return air assembly for a duct unit according to claim 1, wherein when the plurality of switch doors are each positioned to close the air inlet, the outer surfaces of the plurality of switch doors are each positioned on the same plane.

6. The return air assembly for a duct unit according to claim 1, wherein the air inlet is completely shielded by the plurality of switching doors when the plurality of switching doors are each positioned to close the air inlet.

7. A return air assembly for a duct unit as defined in claim 1 wherein each of said switch doors is identically configured.

8. A return air assembly for a duct machine as defined in claim 1 wherein said drive means drives each of said switch doors by the same drive mechanism.

9. A return air assembly for a duct machine as defined in claim 1 wherein said drive means is configured to drive a plurality of said switching doors in synchronized motion.

10. The return air assembly for a duct machine as claimed in claim 1, wherein the drive means is configured to drive the plurality of switch doors to move independently of one another.

11. The return air assembly for the duct unit as claimed in claim 1, wherein the number of the switching doors is N, and N satisfies: n is more than or equal to 2 and less than or equal to 4.

12. A ducted air conditioner including a return air assembly for a ducted air conditioner according to any one of claims 1 to 11.

13. The ducted air conditioner according to claim 12, wherein the drive device drives each of the switch doors to rotatably open the air inlet, and the drive device drives each of the switch doors to open the air inlet in a direction opposite to an opening direction of an outlet of the ducted air conditioner during opening of the air inlet.