WO2020124758A1

WO2020124758A1 - Duct type air conditioner

Info

Publication number: WO2020124758A1
Application number: PCT/CN2019/074856
Authority: WO
Inventors: 朱训智; 王元; 张吉义
Original assignee: 青岛海尔空调电子有限公司; 海尔智家股份有限公司
Priority date: 2018-12-19
Filing date: 2019-02-12
Publication date: 2020-06-25
Also published as: EP3748239A4; EP3748239A1; CN109631163A; US20200340687A1

Abstract

A duct type air conditioner, comprising a case (1), an electric control box (5), a heat exchanger (4), and centrifugal fans (2, 3). The electric control box (5), the heat exchanger (4), and the centrifugal fans (2, 3) are all arranged in the case (5). A return air inlet (13) and air outlets (11, 12) are formed on one of the side plates of the case (5). The electric control box (5) is arranged close to the return air inlet (13). The centrifugal fans (2, 3) are arranged close to the air outlets (11, 12). The heat exchanger (4) is arranged between the electric control box (5) and the centrifugal fans (2, 3). The structure of the duct type air conditioner improves the selectivity and flexibility of installation, and facilitates the maintenance of the duct type air conditioner. The ultra-thin design of the duct type air conditioner can be performed during ceiling installation, so that the installation space of the ceiling is reduced, thereby reducing decoration costs; the installation space can be saved during wall-mounted installation, and the direction of airflow would not be different due to the change of the installation mode, thereby further saving the space, satisfying user's use requirements, and improving user experience.

Description

Duct machine

Technical field

The invention belongs to the technical field of air conditioning, and specifically provides an air duct machine.

Background technique

The air duct machine is a type of air conditioner, which has the advantages of saving space, leaving no hygienic dead corners, and only requiring a partial ceiling. It is more beautiful than the wall-mounted air conditioner and cabinet air conditioner, because the air duct machine is built-in , Only the air outlet (including return air outlet and air outlet) is exposed.

In the prior art, the air duct machine is mostly of ultra-thin design, and in order to make the ceiling deeper into the depth, the structure design of the side return air under the wind or the return air outlet under the wind is generally adopted. This design not only makes the air duct The installation of the machine has limitations, and it is not convenient for the maintenance of the air duct machine.

Therefore, a new air duct machine is needed in the art to solve the above problems.

Summary of the invention

In order to solve the above problems in the prior art, that is, to solve the problem that the installation of the existing air duct machine has limitations and is inconvenient for maintenance of the air duct machine, the present invention provides an air duct machine, which includes a chassis , The electric control box, the heat exchanger and the centrifugal fan, the electric control box, the heat exchanger and the centrifugal fan are all set in the chassis, one side panel of the chassis is provided with an air outlet and an air outlet, and the electric control box is located near the air inlet , The centrifugal fan is set close to the air outlet, and the heat exchanger is set between the electric control box and the centrifugal fan.

In the above preferred technical solution of the air duct machine, the air outlet includes a first air outlet and a second air outlet, the centrifugal fan includes a first centrifugal fan and a second centrifugal fan, and the first air outlet and the second air outlet are respectively provided at the return On both sides of the air outlet, the first centrifugal fan is located near the first air outlet, and the second centrifugal fan is located near the second air outlet.

In the above preferred technical solution of the air duct machine, the heat exchanger includes a first part, a second part, and a third part connecting the first part and the second part, the first part and the second part are respectively disposed on both sides of the electric control box , The first part, the second part, the third part and the return air inlet together form a storage space capable of accommodating the electric control box.

In the above preferred technical solution of the wind turbine, the first part and the third part are arranged at a first angle, the second part and the third part are arranged at a second angle, and the angle of the first angle and the second angle are The angle is the same.

In the above preferred technical solution of the air duct machine, the first part and the third part are integrated.

In the above preferred technical solution of the air duct machine, the second part and the third part are integrated.

In the above preferred technical solution of the air duct machine, a water receiving tray is provided in the cabinet and at the bottom of the heat exchanger.

In the above preferred technical solution of the air duct machine, the water receiving tray is fixedly connected to the inner bottom wall of the cabinet.

In the above preferred technical solution of the air duct machine, the return air outlet and the air outlet are both provided on the front side panel of the chassis.

In the above preferred technical solution of the air duct machine, the chassis is a sheet metal structural part.

Those skilled in the art can understand that, in the preferred technical solution of the present invention, by setting both the air outlet and the air outlet of the air duct on the same side panel of the chassis, the air duct can be installed on both the ceiling and the ceiling Built into the wall, it can also be flexibly integrated into the furniture, thus providing more selectivity and flexibility for the installation of the air duct machine, meeting the personalized and creative needs of the user's home, and due to the return air outlet and out The air outlets are set on the same side panel of the chassis, so that only one side of the air duct machine is exposed outside, that is, the return air, air outlet and maintenance of the air duct machine can be performed on this side, which is convenient for maintenance personnel to perform maintenance. In addition, the air duct of the present invention can make the depth smaller, for example, the air duct can be designed to be ultra-thin during ceiling installation, so that the installation space of the ceiling is reduced, the decoration cost is reduced, and the wall installation can also be installed. It saves installation space, and the direction of the airflow will not be different due to the change of installation method, so it is more space-saving than the air duct under the side return air in the prior art and the return air outlet is below. Meet the user's indoor space layout needs, improve user experience.

Further, through the design of the double centrifugal fan and the double air outlets, the air duct of the present invention can ensure the air output when the design is very thin, meet the user's use requirements, and further improve the user experience.

Further, the electric control box is provided on the upstream side of the heat exchanger, that is, the gas flow direction is to first pass through the electric control box and then through the heat exchanger. With this setting, the condensed water will not be blown back to the electric control box to ensure electricity The safety of the control box further enhances the user experience.

Further, the condensate can be fully collected through the water receiving tray to prevent the condensate from leaking downward and accumulating in multiple places in the cabinet, thereby avoiding affecting the normal operation of the wind turbine and improving the safety of the wind turbine.

Further, the chassis is a sheet metal structural member, which is convenient for manufacturing the chassis, and ensures the strength of the chassis, makes the chassis difficult to damage, and improves the structural strength and safety of the air duct machine.

BRIEF DESCRIPTION

1 is a schematic diagram of the external structure of the wind pipe machine of the present invention;

2 is an exploded view of the external structure of the wind pipe machine of the present invention;

Figure 3 is a schematic diagram of the internal structure of the air duct machine of the present invention;

FIG. 4 is an exploded view of the internal structure of the wind pipe machine of the present invention.

detailed description

The preferred embodiments of the present invention are described below with reference to the drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present invention, and are not intended to limit the protection scope of the present invention.

It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "top", "bottom", "left", "right", "front", "back", " The terms "inner", "outer", etc. indicate the direction or positional relationship is based on the direction or positional relationship shown in the drawings, this is only for the convenience of description, and does not indicate or imply that the device or element must have a specific orientation, It is constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first", "second", and "third" are for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

In addition, it should also be noted that, in the description of the present invention, unless otherwise clearly specified and limited, the terms "setup", "installation", "connected", "connected" should be broadly understood, for example, may be fixed The connection can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between the two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

Based on the problems pointed out by the background art that the installation of the existing air duct machine has limitations and is not convenient for maintenance of the air duct machine, the present invention provides an air duct machine, which aims to improve the selectivity and flexibility of the installation of the air duct machine And, it is easy to repair the air duct machine, further save space, meet the user's needs, and improve the user experience.

Specifically, the air duct machine includes a chassis, an electric control box, a heat exchanger, and a centrifugal fan. The electric control box, the heat exchanger, and the centrifugal fan are all provided in the chassis. One side panel of the chassis is provided with an air outlet and an air outlet , The electric control box is set close to the return air inlet, the centrifugal fan is set close to the air outlet, and the heat exchanger is set between the electric control box and the centrifugal fan. Wherein, there may be one or more air outlets, and correspondingly, there may also be one or more centrifugal fans. The adjustment and change of the number of such centrifugal fans and the number of air outlets does not constitute the invention. The restrictions should be limited to the protection scope of the present invention. It should be pointed out that the number of air outlets and the number of centrifugal fans are preferably in one-to-one correspondence, so as to facilitate the introduction of air from the air outlet through different air outlets. In addition, the number of air outlets can be one, or There can be more than one, as long as the air intake can be achieved through the air return opening. The chassis includes a top plate, a bottom plate and a plurality of side plates. The top plate and the bottom plate are connected by a plurality of side plates. Generally, the chassis has four side plates, namely a front panel, a rear panel, a left panel and a right panel. Those skilled in the art can apply them in practice. The position of the return air outlet and the air outlet can be flexibly set, as long as the return air outlet and the air outlet are set on the same side panel. The technical solutions of the present invention are explained separately in combination with two embodiments below.

Example one

The number of air outlets and the number of centrifugal fans are both one. In this case, the air outlets can be set on the side of the return air outlet, preferably the air outlets are set on the left or right side of the return air outlet, so that The duct machine can be designed to be ultra-thin, which shortens the depth of the duct machine, thereby facilitating the installation and layout of the duct machine. In this structure, after the centrifugal fan is started, air can be sucked in from the return air inlet, then pass through the electric control box, the heat exchanger and the centrifugal fan in sequence, and then finally blow out from the air outlet. Preferably, a water receiving tray is provided in the cabinet below the heat exchanger, and condensed water can be collected through the water receiving tray, and the heat exchanger can be fixed on the inner bottom wall of the cabinet.

In the first embodiment, the shape of the heat exchanger can be set as a straight shape, an arc shape or a bi-fold section shape (for example, L-shaped or V-shaped), etc., those skilled in the art can flexibly set the heat exchanger in practical applications The specific shape can be as long as the air entering from the return air inlet is sufficiently in contact with various parts of the heat exchanger to achieve heat exchange.

Example 2

The number of air outlets and the number of centrifugal fans are both two. Specifically, as shown in FIGS. 1 to 4, the air outlets on the front panel of the chassis 1 include a first air outlet 11 and a second air outlet 12, and the centrifugal fan includes The first centrifugal fan 2 and the second centrifugal fan 3, the first air outlet 11 and the second air outlet 12 are respectively disposed on both sides of the return air outlet 13, the first centrifugal fan 2 is disposed near the first air outlet 11, and the second centrifugal fan 3 Set near the second air outlet 12. The first air outlet 11 and the second air outlet 12 are preferably provided on the left and right sides of the return air outlet 13 so that the wind turbine can be ultra-thin designed and the air can be discharged at two positions, which shortens the wind turbine The depth of the product meets the user's requirements. In this structure, after the first centrifugal fan 2 and the second centrifugal fan 3 are started, the first centrifugal fan 2 may guide a part of the air entering from the return air port 13 to the first air outlet 11 through the heat exchanger 4 and the second The centrifugal fan 3 can guide another part of the air entering from the return air port 13 to the second air outlet 12 through the heat exchanger 4, thereby achieving the simultaneous output of the first air outlet 11 and the second air outlet 12. Preferably, similar to the first embodiment, a water receiving tray is provided in the cabinet 1 below the heat exchanger 4, through which the condensate can be collected, and the heat exchanger 4 can be fixed on the inner bottom wall of the cabinet 1.

In the second embodiment, the shape of the heat exchanger 4 can be set as a semi-circle, an arc, or a three-fold section, etc., those skilled in the art can flexibly set the specific shape of the heat exchanger 4 in practical applications, as long as It is convenient for the air entering from the return air port 13 to fully contact with each part of the heat exchanger 4 to achieve heat exchange. As shown in FIGS. 3 and 4, the heat exchanger 4 preferably includes a first part 41, a second part 42 and a third part 43 connecting the first part 41 and the second part 42. The first part 41 and the second part 42 are respectively provided On both sides of the electric control box 5, the first part 41, the second part 42, the third part 43 and the return air port 13 together form an accommodation space capable of accommodating the electric control box 5. With such an arrangement, the heat exchanger 4 has a three-fold section shape, so that the air entering from the return air port 13 can fully contact the heat exchanger 4 under the action of the first centrifugal fan 2 and the second centrifugal fan 3, In this structure, it is preferable that the first portion 41 and the third portion 43 are arranged at a first angle, the second portion 42 and the third portion 43 are arranged at a second angle, and the angle of the first angle and the second angle The angles of the angles are the same. For example, the first included angle and the second included angle are both set at obtuse angles, so that the heat exchanger 4 and the air outlet enclose an accommodating space with a horizontal cross section of a trapezoidal cross section, thereby facilitating accommodating the electric control box 5. It should be noted that the first part 41 and the third part 43 are integrated, and the second part 42 is also integrated with the third part 43, so that the heat exchanger 4 can be manufactured integrally. In addition, the structure of two fans of the first centrifugal fan 2 and the second centrifugal fan 3 can continue to work through the other centrifugal fan when one of the centrifugal fans fails, that is, the air outlet from the double outlet is changed to a single outlet The wind exits the wind so that the wind pipe machine can continue to work. In addition, by applying corresponding control logic to the two centrifugal fans, the versatility of the wind turbine can also be achieved, for example, the wind turbine can be flexibly switched between no wind, single wind and double wind. The improvement of the product structure does not constitute a limitation to the present invention, and should be limited to the protection scope of the present invention.

Preferably, in the present invention, the chassis 1 is preferably made of sheet metal structural parts. Of course, the chassis 1 can also be made of other structural parts. Those skilled in the art can flexibly set the structure and materials of the chassis 1 in practical applications. As long as the cabinet 1 can accommodate and install the electric control box 5, the heat exchanger 4 and the centrifugal fan and other components. In addition, the outer side of the chassis 1 may also be provided with connection structures such as lifting ears, screw holes, and/or snaps, so as to facilitate the installation of the ceiling of the chassis 1 or to be embedded into a wall or furniture.

So far, the technical solutions of the present invention have been described with reference to the preferred embodiments shown in the accompanying drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is obviously not limited to these specific embodiments. Without departing from the principles of the present invention, those skilled in the art can make equivalent changes or replacements to related technical features, and the technical solutions after these changes or replacements will fall within the protection scope of the present invention.

Claims

An air duct machine, characterized in that the air duct machine includes a chassis, an electric control box, a heat exchanger and a centrifugal fan, and the electric control box, the heat exchanger and the centrifugal fan are all arranged in the In the chassis, one side plate of the chassis is provided with a return air outlet and an air outlet, the electric control box is disposed near the return air outlet, the centrifugal fan is disposed near the air outlet, and the heat exchanger is disposed at Between the electric control box and the centrifugal fan.
The duct machine according to claim 1, wherein the air outlet includes a first air outlet and a second air outlet, and the centrifugal fan includes a first centrifugal fan and a second centrifugal fan, the first outlet The air outlet and the second air outlet are respectively disposed on both sides of the return air outlet, the first centrifugal fan is disposed near the first air outlet, and the second centrifugal fan is disposed near the second air outlet.
The duct machine according to claim 2, wherein the heat exchanger includes a first part, a second part, and a third part connecting the first part and the second part, the first part and The second parts are respectively disposed on both sides of the electric control box, and the first part, the second part, the third part and the air return opening are enclosed together to accommodate the electric control box space.
The duct machine according to claim 3, wherein the first portion and the third portion are disposed at a first angle, and the second portion and the third portion are disposed at a second angle, The angle of the first included angle is the same as the angle of the second included angle.
The duct machine according to claim 3, wherein the first part and the third part are integrally provided.
The duct machine according to claim 3, wherein the second part and the third part are integrally provided.
The air duct machine according to claim 1, wherein a water receiving tray is provided in the cabinet and at the bottom of the heat exchanger.
The air duct machine according to claim 7, wherein the water receiving tray is fixedly connected to the inner bottom wall of the cabinet.
The air duct machine according to claim 1, wherein the air return port and the air outlet are both provided on the front side panel of the chassis.
The air duct machine according to any one of claims 1 to 9, wherein the chassis is a sheet metal structural member.