WO2018196412A1

WO2018196412A1 - Air conditioner

Info

Publication number: WO2018196412A1
Application number: PCT/CN2017/117903
Authority: WO
Inventors: 朱江程; 杜辉; 邓勇; 施正兴; 江标; 冯志文
Original assignee: 格力电器（武汉）有限公司; 珠海格力电器股份有限公司
Priority date: 2017-04-25
Filing date: 2017-12-22
Publication date: 2018-11-01
Also published as: CN106969418A

Abstract

Disclosed is an air conditioner, comprising: a housing (10), wherein an air duct (11) is arranged inside the housing (10), and at least two air openings (12) in communication with the air duct (11) are provided in the housing (10); and a blocking portion (20), wherein the blocking portion (20) is provided at the position of at least one of the air openings (12), and the blocking portion (20) is capable of entering or exiting the air duct (11) so as to change the wall surface profile of the air duct (11).

Description

Air conditioner

Technical field

The present invention relates to the field of air conditioning technology, and in particular to an air conditioner.

Background technique

The air duct type air conditioner (referred to as the duct machine) is usually installed at the top of the house, and the two tuyere structures of the air conditioner indoor unit can be switched with each other, that is, when one tuyere structure is used as the air inlet, and the other tuyere structure is used as the air outlet, so that It is possible to change the direction of the air outlet of the air conditioner indoor unit, so that the air conditioner has better heating comfort.

The existing air conditioning indoor unit changes the air passage structure at the tuyere structure through a rotatable volute tongue, so that the tuyere structure is switched between the air inlet and the air outlet, but regardless of how the volute tongue rotates, the flow always in the air duct In the field, when the tuyere structure is used as the air inlet, the volute tongue will hinder the air intake of the air conditioner indoor unit, and reduce the air volume of the air conditioner indoor unit, thereby causing poor heat exchange effect of the existing air conditioner. The air conditioning comfort of the air conditioner.

Summary of the invention

SUMMARY OF THE INVENTION A primary object of the present invention is to provide an air conditioner to solve the problem of poor wind comfort of an air conditioner in the prior art.

In order to achieve the above object, according to an aspect of the invention, an air conditioner includes: an outer casing in which a duct is disposed, the outer casing is provided with at least two air outlets communicating with the air passage; and the shielding portion is at least one tuyere A shielding portion is provided, and the shielding portion can enter or exit the air passage to change the air duct wall profile of the air passage.

Further, the outer casing is surrounded by a plurality of plates, and the tuyères are disposed on different plates.

Further, the plurality of plates comprises a top plate, a bottom plate and a circumferential side plate disposed between the top plate and the bottom plate, wherein the air ports are two, one air opening is opened on the bottom plate, and the other air opening is opened on the circumferential side plate.

Further, the outer casing is surrounded by a plurality of plate bodies, and each tuyere is disposed on the same plate body.

Further, the trajectory of the occlusion portion is curved.

Further, the movement trajectory of the shielding portion is linear.

Further, the shielding portion moves in the vertical direction.

Further, when the shielding portion enters the air passage, the corresponding tuyere is an air outlet; when the shielding portion exits the air passage, the corresponding tuyere is an air inlet.

Further, the shielding portion has a block shape.

Further, the air conditioner further includes a plurality of fans, the fan is located in the air duct, and a fan is disposed correspondingly at each air outlet.

Further, the at least two air outlets include a first air outlet and a second air outlet, and the plurality of air fans include a first air fan and a second air fan, and the first air fan and the second air fan are respectively disposed at the first air outlet and the second air outlet, and the air conditioner is further The heat exchanger is included, and the heat exchanger is disposed in the air duct and located between the first fan and the second fan.

Further, the air conditioner further includes a water receiving tray disposed in the outer casing and located at the bottom of the heat exchanger.

Further, the water receiving tray is provided with a yielding structure, and the shielding portion is movably disposed at the yielding structure to enter or exit the air duct.

Further, the air conditioner further includes a driving mechanism, and the driving mechanism is drivingly connected to the shielding portion.

Further, the drive mechanism includes a mating drive gear and a drive rack, wherein the drive rack is coupled to the shield.

According to the technical solution of the present invention, the air conditioner includes a casing and a shielding portion, and the air duct is disposed in the casing, and the casing is provided with at least two air outlets communicating with the air passage, and at least one air outlet is provided with a shielding portion, and the shielding portion can enter or Exit the air duct to change the air duct wall profile of the air duct. In this way, the shielding portion can not only change the air duct wall profile of the air passage, but also smoothly switch the tuyere between the air inlet and the air outlet, and when the tuyere is switched to the air inlet, the shielding portion exits the air passage, effectively avoiding The gas flow field affecting the air passage ensures that the air conditioner indoor unit has sufficient air intake air volume, thereby improving the heat exchange effect of the air conditioner and ensuring the air outlet comfort of the air conditioner.

DRAWINGS

The accompanying drawings, which are incorporated in the claims of the claims In the drawing:

1 is a schematic view showing the internal structure of an air conditioner indoor unit when an obstruction portion enters a duct according to an alternative embodiment of the present invention;

2 is a schematic view showing the working state of the air conditioning indoor unit of FIG. 1 in an operating state;

Fig. 3 is a view showing the working state of the air conditioner indoor unit of Fig. 1 in another working state.

Wherein, the above figures include the following reference numerals:

10, outer casing; 11, air duct; 12, tuyere; 121, first tuyere; 122, second tuyere; 14, top plate; 15, bottom plate; 16, circumferential side plate; 20, shielding portion; 30, fan; , the first fan; 32, the second fan; 50, the heat exchanger; 60, the water tray; 61, the position structure.

detailed description

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments. The following description of the at least one exemplary embodiment is merely illustrative and is in no way intended to limit. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

In order to solve the problem of poor airflow comfort of the air conditioner of the prior art, the present invention provides an air conditioner.

As shown in FIG. 1 to FIG. 3, the air conditioner includes a casing 10 and a shielding portion 20. The air casing 11 is disposed in the casing 10. The casing 10 is provided with at least two air outlets 12 communicating with the air passage 11, and at least one air outlet 12 is disposed. There is a shielding portion 20 that can enter or exit the air duct 11 to change the air duct wall profile of the air duct 11. Thus, the shielding portion 20 can not only change the air duct wall profile of the air duct 11, but also smoothly switch the tuyere 12 between the air inlet and the air outlet, and when the tuyere 12 is switched to the air inlet, the shielding portion 20 exits the air duct. 11. The gas flow field affecting the air passage 11 is effectively avoided, and the air-conditioning indoor unit has sufficient air intake air volume, thereby improving the heat exchange effect of the air conditioner and ensuring the air-flow comfort of the air conditioner.

It should be noted that when the shielding portion 20 enters the air duct 11, the corresponding tuyere 12 is an air outlet; when the shielding portion 20 exits the air duct 11, the corresponding tuyere 12 is an air inlet. This is because when the shielding portion 20 enters the air duct 11, the shielding portion 20 occupies a part of the air passage, and the outer contour of the shielding portion 20 changes the shape of the air passage wall surface of the air passage 11, so that the air passage structure at the tuyere 12 It is satisfied with the outlet volute type of the fan, and the air conditioner is smoothly ventilated to ensure the working stability of the air conditioner. When the shielding portion 20 exits the air passage 11, the shielding portion 20 does not occupy the space in the air passage 11, and therefore, the shielding portion 20 does not affect not only the flow field in the air passage 11, but also the air inlet at the tuyere 12. Increasingly, the gas flow into the air duct 11 is increased, and the air intake effect of the air conditioner is improved.

Alternatively, in order to allow the shielding portion 20 to enter the air duct 11, the space in the air duct 11 can be occupied as much as possible, so that the air passage wall surface forms a perfect volute type line, and the shielding portion 20 has a block shape.

Preferably, the shielding portion 20 is a volute tongue structure.

As shown in FIGS. 1 to 3, the outer casing 10 is surrounded by a plurality of plates, and the tuyères 12 are disposed on different plates. In this way, the air conditioners have different air outlet directions, so that the air outlets of the air conditioners are versatile, and the utility of the air conditioner is improved, so that the air conditioner can satisfy different user needs.

As shown in FIGS. 1 to 3, in a specific embodiment of the present invention, a plurality of plates include a top plate 14, a bottom plate 15, and a circumferential side plate 16 disposed between the top plate 14 and the bottom plate 15, wherein the tuyere 12 is Two, one tuyere 12 is opened on the bottom plate 15, and the other tuyere 12 is opened on the circumferential side plate 16. In this way, the air conditioner of the present invention has a plurality of air outlet directions, and by controlling the shielding portion 20 to enter or exit the air duct 11, the two air outlets 12 can be stably switched between the air inlet and the air outlet, and when the air outlets are When one of the 12 is the air inlet, the other of the two air outlets is the air outlet.

Of course, in an alternative embodiment of the present invention, in order to adapt to different installation environments, the air inlet direction and the air outlet direction of the air conditioner are the same, and the outer casing 10 is surrounded by a plurality of plates, and the air outlets are respectively 12 are all set on the same board.

Optionally, the trajectory of the occlusion portion 20 is curved. In this way, by planning the movement trajectory of the shielding portion 20, not only the space inside the outer casing 10 can be reasonably utilized, but also the shielding portion 20 can be prevented from interfering with the normal operation of other components in the outer casing 10 during the movement, thereby improving the stability of the air conditioner. Sex.

Preferably, the trajectory of the occlusion portion 20 is linear. In this way, the stability of the movement of the shielding portion 20 is ensured, and structural damage is prevented due to the excessively complicated movement of the shielding portion 20, thereby ensuring the stability of use of the air conditioner and reducing the maintenance cost of the air conditioner.

Preferably, the shielding portion 20 moves in the vertical direction. This makes it possible to make full use of the space inside the casing 10.

It should be noted that the air conditioner further includes a plurality of fans 30, and the fan 30 is located in the air duct 11, and a fan 30 is disposed corresponding to each air outlet 12. The arrangement of the fan 30 ensures the air outlet stability of the air conditioner, and when the fan 30 of the present invention is engaged with the state of the tuyere 12, that is, when the tuyere 12 is used as an air outlet, the fan 30 operates.

In the optional embodiment shown in FIG. 1 to FIG. 3, at least two tuyères 12 include a first tuyere 121 and a second tuyere 122, and the plurality of fans 30 include a first fan 31 and a second fan 32, first The fan 31 and the second fan 32 are respectively disposed at the first tuyere 121 and the second tuyere 122. The air conditioner further includes a heat exchanger 50. The heat exchanger 50 is disposed in the air duct 11 and located at the first fan 31 and the second fan. Between 32. The arrangement of the heat exchanger 50 ensures the heat exchange effect of the air conditioner.

As shown in FIGS. 1 to 3, in order to ensure the completeness and functional diversity of the air conditioner structure, the air conditioner further includes a water receiving tray 60 which is disposed in the outer casing 10 and located at the bottom of the heat exchanger 50.

Optionally, the water receiving tray 60 is provided with a accommodating structure 61, and the shielding portion 20 is movably disposed at the accommodating structure 61 to enter or exit the air duct 11. Thus, the structure of the water receiving tray 60 is effectively utilized to provide protection for the shielding portion 20 while providing a sheltering space for the shielding portion 20.

Specifically, in FIG. 2, the direction of the arrow is the direction in which the gas flows. In this embodiment, the first tuyere 121 serves as an air inlet, the first fan 31 does not operate, and the obscuration portion 20 at the first tuyere 121 exits the air duct. 11 is located in the receiving structure 61 of the water receiving tray 60, so that the cross-sectional area of the air duct 11 at the first tuyere 121 is gradually increased in a direction away from the first tuyere 121 to ensure the air inlet effect; the second tuyere 122 serves as an air outlet. The shielding portion 20 at the second tuyere 122 protrudes from the retaining structure 61 into the air duct 11, and the second fan 32 operates, so that the air duct wall surface of the air duct 11 at the second tuyere 122 forms a volute type line. And the wind is stable.

In FIG. 3, the direction of the arrow is the direction in which the gas flows. In this embodiment, the second tuyere 122 serves as an air inlet, the second fan 32 does not operate, and the obscuration portion 20 at the second tuyere 122 exits the air duct 11 and is located. The cross-sectional area of the air passage 11 at the second tuyere 122 is gradually increased in a direction away from the second tuyere 122 to ensure an air intake effect; the first tuyere 121 serves as an air outlet, first The shielding portion 20 at the tuyere 121 protrudes from the retaining structure 61 into the air duct 11, and the first fan 31 operates to form the volute wall surface of the air duct 11 at the first tuyere 121 to stably form wind.

Optionally, the yielding structure 61 is a relief groove formed on the water receiving tray 60.

In an alternative embodiment of the present invention, in order to ensure the stability of the movement of the shielding portion 20, the air conditioner further includes a driving mechanism, and the driving mechanism is drivingly coupled to the shielding portion 20.

Specifically, as an alternative embodiment, the driving mechanism includes a matching driving gear and a driving rack, wherein the driving rack is connected to the shielding portion 20, and the driving gear is rotatably disposed in the air duct 11 to drive Rack movement.

It is to be noted that the terminology used herein is for the purpose of describing particular embodiments, and is not intended to limit the exemplary embodiments. As used herein, the singular " " " " " " There are features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in the embodiments are not intended to limit the scope of the invention. In the meantime, it should be understood that the dimensions of the various parts shown in the drawings are not drawn in the actual scale relationship for the convenience of the description. Techniques, methods and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the techniques, methods and apparatus should be considered as part of the authorization specification. In all of the examples shown and discussed herein, any specific values are to be construed as illustrative only and not as a limitation. Accordingly, other examples of the exemplary embodiments may have different values. It should be noted that similar reference numerals and letters indicate similar items in the following figures, and therefore, once an item is defined in one figure, it is not required to be further discussed in the subsequent figures.

In the description of the present invention, it is to be understood that orientations such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" and the like are indicated. Or the positional relationship is generally based on the orientation or positional relationship shown in the drawings, and is merely for the convenience of the description of the invention and the simplification of the description, which are not intended to indicate or imply the indicated device or component. It must be constructed and operated in a specific orientation or in a specific orientation, and thus is not to be construed as limiting the scope of the invention; the orientations "inside and outside" refer to the inside and outside of the contour of the components themselves.

For convenience of description, spatially relative terms such as "above", "above", "on top", "above", etc., may be used herein to describe as in the drawings. The spatial positional relationship of one device or feature to other devices or features. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation of the device described. For example, if the device in the figures is inverted, the device described as "above other devices or configurations" or "above other devices or configurations" will be positioned "below other devices or configurations" or "at Under other devices or configurations." Thus, the exemplary term "above" can include both "over" and "under". The device can also be positioned in other different ways (rotated 90 degrees or at other orientations) and the corresponding description of the space used herein is interpreted accordingly.

In addition, it should be noted that the use of the words "first", "second", etc. to limit the components is only to facilitate the distinction between the corresponding components, if not stated otherwise, the above words have no special meaning, so can not understand To limit the scope of protection of the present invention.

It should be noted that the terms "first", "second" and the like in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or order. Should understand the data used in this way The embodiments of the present application described herein can be implemented in a sequence other than those illustrated or described herein.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Claims

An air conditioner, comprising:

a casing (10), the casing (10) is provided with a duct (11), and the casing (10) is provided with at least two tuyères (12) communicating with the air duct (11);

a shielding portion (20) at least one of the tuyères (12) is provided with the shielding portion (20), the shielding portion (20) being capable of entering or exiting the air passage (11) to change the air passage (11) The air duct wall profile.
The air conditioner according to claim 1, characterized in that the outer casing (10) is surrounded by a plurality of plates, and each of the tuyères (12) is disposed on a different one of the plates.
The air conditioner according to claim 2, wherein said plurality of plates include a top plate (14), a bottom plate (15), and a circumference disposed between said top plate (14) and said bottom plate (15) To the side panel (16), wherein the tuyere (12) is two, one tuyere (12) is opened on the bottom plate (15), and the other tuyere (12) is opened in the circumferential direction On the side panel (16).
The air conditioner according to claim 2, wherein the outer casing (10) is surrounded by a plurality of plates, and each of the tuyères (12) is disposed on the same plate body.
The air conditioner according to any one of claims 1 to 4, characterized in that the trajectory of the occlusion portion (20) is curved.
The air conditioner according to any one of claims 1 to 4, characterized in that the trajectory of the occlusion portion (20) is linear.
The air conditioner according to claim 6, wherein the shielding portion (20) moves in a vertical direction.
The air conditioner according to claim 1, wherein

When the shielding portion (20) enters the air passage (11), the air outlet (12) is an air outlet;

When the shielding portion (20) exits the air passage (11), the air outlet (12) corresponds to the air inlet.
The air conditioner according to claim 1, wherein the shielding portion (20) has a block shape.
The air conditioner according to claim 1, wherein the air conditioner further comprises a plurality of fans (30), the fan (30) is located in the air duct (11), and each of the tuyères (12) A fan (30) is disposed correspondingly.
The air conditioner according to claim 10, wherein said at least two tuyères (12) comprise a first tuyere (121) and a second tuyere (122), and said plurality of fans (30) comprise a first fan (31) and a second fan (32), the first fan (31) and the second fan (32) are respectively disposed at the first tuyere (121) and the second tuyere (122), The air conditioner further includes a heat exchanger (50) disposed in the air duct (11) and located between the first fan (31) and the second fan (32) .
The air conditioner according to claim 11, wherein said air conditioner further comprises a water receiving tray (60), said water receiving tray (60) being disposed in said outer casing (10) and located at said heat exchange The bottom of the device (50).
The air conditioner according to claim 12, wherein the water receiving tray (60) is provided with a seating structure (61), and the shielding portion (20) is movably disposed at the yielding structure ( 61) Enter or exit the air duct (11).
The air conditioner according to claim 1, wherein the air conditioner further comprises a driving mechanism, and the driving mechanism is drivingly coupled to the shielding portion (20).
The air conditioner according to claim 14, wherein the drive mechanism includes a mating drive gear and a drive rack, wherein the drive rack is coupled to the shield (20).