CN112747360A

CN112747360A - Air duct machine

Info

Publication number: CN112747360A
Application number: CN201911053175.8A
Authority: CN
Inventors: 张标; 张荣海; 于德彤; 张文强
Original assignee: Qingdao Hisense Hitachi Air Conditioning System Co Ltd
Current assignee: Qingdao Hisense Hitachi Air Conditioning System Co Ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2021-05-04

Abstract

The invention discloses an air duct machine comprising a casing, an upper heat insulating member, a water receiving tray, at least one fan and a heat exchanger. The casing is used to form a cavity; the upper heat insulating member is located in the casing and is used for temperature insulation of the casing; The upper heat preservation member is connected to separate the cavity in the shell into independent first cavity and second cavity; the fan is arranged in the first cavity and is used for feeding into the second cavity air flow; the heat exchanger is arranged in the second cavity, between the water receiving tray and the upper heat preservation member, and is used for exchanging heat for the air flow sent by the fan. The air duct machine of the invention reduces the number of parts and the number of screws used, reduces the weight of the air duct machine, improves the assembly efficiency, and reduces the cost; the use of heat preservation parts reduces energy loss and reduces the amount of condensed water outside the shell. Generated to improve user experience.

Description

Air duct machine

Technical Field

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

Background

The existing air conditioner indoor unit generally comprises a shell, a heat exchange unit and a fan unit; the fan unit is used for sucking air quantity and is a low static pressure area; the heat exchange unit is provided with a heat exchanger, the air quantity sucked by the fan unit is blown into the heat exchange unit and passes through the heat exchanger, so that the sucked air quantity is discharged after heat exchange, and the heat exchange unit is a high static pressure area. The low static pressure area is separated from the high static pressure area through a middle partition plate, the middle partition plate is of a flat plate-shaped structure, and the middle partition plate is fixedly connected with the shell through screws or welding. The fan unit further comprises a motor and a motor support, the motor support is fixedly connected with the middle partition plate, the motor is fixed on the motor support in a screw mode, and the assembly efficiency is affected due to the fact that the number of the screws is large.

Disclosure of Invention

The invention provides an air duct machine, which improves the modularization of an assembly structure of the air duct machine, reduces the number of parts and fastening screws of the air duct machine, reduces the labor consumption and improves the assembly efficiency; energy loss and condensed water generation are reduced; the weight of the air duct machine is reduced.

In order to solve the technical problems, the invention adopts the following technical scheme:

a ducted air conditioner comprising:

a housing for forming a cavity;

the upper heat insulation piece is positioned in the shell and used for insulating the shell;

the water receiving tray is positioned in the shell, is used for receiving condensed water, is connected with the upper heat-insulating piece, and divides a cavity in the shell into a first cavity and a second cavity which are independent;

the fan is arranged in the first cavity and used for sending airflow into the second cavity;

and the heat exchanger is arranged in the second cavity, is positioned between the water receiving tray and the upper heat-insulating piece and is used for exchanging heat for the airflow sent by the fan.

As a specific structural design of the air duct machine,

the upper heat-insulating piece comprises a first bottom plate and a first inner side plate; the first inner side plate is vertically connected with one side edge of the first bottom plate;

the water pan comprises a second bottom plate and a second inner side plate; the second inner side plate is vertically connected with one side edge of the second bottom plate; the first inner side plate is connected with the second inner side plate to divide the cavity in the shell into the first cavity and the second cavity.

Preferably, a step is arranged at the outer side of the tail end of the first inner side plate; the end of the second inner side plate is connected with the step.

Further, the shell comprises a bottom plate and a top plate;

the first bottom plate is positioned below the top plate and connected with the top plate;

the second bottom plate is located above the bottom plate and connected with the bottom plate.

Furthermore, at least one first opening hole with a lower opening is arranged on the first inner side plate; second opening holes with upper openings are respectively arranged on the second inner side plate corresponding to the positions of the first opening holes; each first open hole is correspondingly connected with each second open hole one by one to form at least one through hole; and each through hole is respectively connected with each fan.

Preferably, the upper heat-insulating part is manufactured by foam in an integral molding manner; a square recess is arranged on the outer side of the first inner side plate; and a third bulge matched with the square concave groove in a connecting manner is arranged on the bottom plate and is connected with the square concave groove.

Further preferably, the square recess is located in the middle of the upper end of the first inner side plate.

Furthermore, the upper heat-insulating part also comprises a first right side plate which is positioned at one end of the upper heat-insulating part and is connected with the first bottom plate;

the shell further comprises a right side plate, the right side plate is used for forming a side wall of one end of the shell and is connected with the first right side plate; a bendable pressing sheet is arranged on the right side plate corresponding to the first right side plate;

when the upper heat preservation piece is positioned in the shell, the pressing piece is bent inwards to be positioned below the tail end of the first right side plate and connected with the first right side plate.

Preferably, the water pan is provided with a bottom support and is integrally formed by adopting a heat insulation material; the water receiving tray is located above the bottom support and is fixedly connected with the bottom support.

Preferably, a groove is arranged on the outer side of the second bottom plate; a second bulge matched with the groove in mounting is arranged on the upper side of the bottom support; the second protrusion is inserted into the groove; the water pan is fixedly connected with the bottom support in a bonding mode.

Compared with the prior art, the invention has the advantages and positive effects that: the air pipe machine disclosed by the invention separates a cavity in the shell into a first cavity and a second cavity by connecting the upper heat-insulating piece and the water receiving disc which are positioned in the shell. Firstly, the upper heat-insulating part and the water receiving disc are installed in a matched mode, so that the modularization of an assembling structure of the air pipe machine is improved, the number of middle partition plates of components which are required to be arranged in the traditional air pipe machine is reduced, the weight of the air pipe machine is reduced, and the air pipe machine is convenient to install and transport; the upper heat-insulating part and the water receiving disc are used for limiting and fixing, and the cavity in the shell is isolated into the first cavity and the second cavity instead of being connected with the shell through the partition plate in the traditional part, so that the number of screws is greatly reduced, the weight of the ducted air conditioner is further reduced, and the ducted air conditioner is convenient to mount and transport; the number of components and the use amount of screws are reduced, the labor consumption is greatly reduced, the assembly efficiency is improved, and the cost is saved; in addition, an upper heat insulation piece is arranged in the upper cover plate, so that the heat insulation effect of the shell is improved, the energy in the shell is reduced from being transmitted outwards, and the energy loss is reduced; especially when refrigerating, not only can reduce energy loss, can also make the difference of casing temperature and room temperature reduce owing to reduced the loss of cold volume to reduce the formation of comdenstion water, reduce the risk that the smallpox drips, improve user experience.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic view of an installation configuration of an embodiment of a ducted air conditioner in accordance with the present invention;

FIG. 2 is a partial longitudinal cross-sectional view of the embodiment of the duct machine of FIG. 1;

FIG. 3 is a schematic view of the connection between the upper heat retaining member and the water pan of the ducted air conditioner of FIG. 1;

FIG. 4 is a schematic view of the mounting structure of the motor mounting bracket and the upper cover plate;

fig. 5 is a schematic structural view of the water pan.

In the figure, the position of the upper end of the main shaft,

1. a housing; 2. an upper heat preservation member; 3. a water pan; 11. a top plate; 14. a base plate; 15. a left side plate; 16. a right side plate; 161. tabletting; 21. a first inner side panel; 211. a step; 212. a first open hole; 213. a first protrusion; 214. recessing; 22. a first base plate; 23. a first right side plate; 31. a second inner side panel; 32. a second base plate; 34. a vertical reinforcing rib; 35. a variable cross-section reinforcing rib; 36. transverse reinforcing ribs; 37. positioning holes; 38. a groove; 311. a second open hole; 4. A heat exchanger; 5. a fan; 51. a volute; 6. a bottom support; 61. a second protrusion; 7. a motor mounting bracket; 71 a third projection.

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 functions throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

Referring to fig. 1, 2, 3, 4 and 5, the invention discloses a duct type air conditioner, which comprises a shell 1, an upper heat preservation member 2, a water pan 3, at least one fan 5 and a heat exchanger 4.

The shell 1 is used for forming a cavity and accommodating the upper heat-insulating piece 2, the water receiving disc 3, the fan 5 and the heat exchanger 4. The upper heat preservation part 2 is used for heat insulation of the shell 1; the water pan 3 is used for receiving condensed water when the air pipe machine is used for refrigeration; the upper heat preservation part 2 is connected with the water receiving disc 3 to divide the cavity in the shell 1 into a first cavity and a second cavity which are independent.

The fan 5 is arranged in the first cavity and used for sending airflow into the second cavity; the heat exchanger 4 is arranged in the second cavity and positioned between the upper heat-insulating part 2 and the water receiving disc 3, and exchanges heat with air flow sent by the fan 5, so that the air flow is blown out after being warmed or cooled, and the heating or cooling of the air conditioner is realized.

In the air duct machine, the upper heat-insulating part 2 and the water receiving disc 3 are installed in a matched mode, so that the modularization of an assembly structure of the air duct machine is improved, a middle partition plate of components which are required to be arranged in the traditional air duct machine is reduced, the weight of the air duct machine is reduced, and the air duct machine is convenient to install and transport.

The upper heat-insulating part 2 and the water receiving tray 3 are connected, so that the cavity in the shell 1 is separated into the first cavity and the second cavity instead of being connected with the shell through the partition plate in the traditional part, the number of screws is greatly reduced, the weight of the ducted air conditioner is further reduced, and the ducted air conditioner is convenient to install and transport. And the number of components and the use amount of screws are reduced, the labor consumption is greatly reduced, the assembly efficiency is improved, and the cost is saved.

In addition, the upper heat-insulating part 2 is arranged in the shell 1, so that the heat-insulating effect of the shell 1 is improved, the energy in the shell 1 is reduced from being transmitted outwards, and the energy loss is reduced; especially when refrigerating, not only can reduce energy loss, can also make the difference of 1 temperature of casing and room temperature reduce owing to reduced the loss of cold volume to reduce the formation of comdenstion water, reduce the risk that the smallpox drips, improve user experience.

The present invention will be described in detail with reference to specific embodiments, and the detailed description will be made of a heat preservation and drainage structure for a ducted air conditioner and a detailed structure of the ducted air conditioner.

In one embodiment, referring to fig. 1, 2, 3 and 5, the housing 1 includes a top plate 11 and a bottom plate 14. The upper heat preservation member 2 comprises a first inner side plate 21 and a first bottom plate 22; the first inner side plate 21 is vertically connected to one side of the first bottom plate 11. The first bottom plate 22 is located below the top plate 11 and is connected to the top plate 11.

The water pan 3 is a box body with an opening at the upper part, and comprises a second inner side plate 31 and a second bottom plate 32. The length of the water pan 3 is matched with that of the shell 1 in an installation manner, and the water pan is installed in the shell 1; the second inner side plate 31 is vertically connected with one side edge of the second bottom plate 32; the second base plate 32 is positioned above the base plate 14 and is connected to the base plate 14.

The first inner side plate 21 and the second inner side plate 31 are connected to divide the cavity in the housing 1 into a first cavity and a second cavity.

In an embodiment, referring to fig. 1, 2, 3 and 5, at least one first opening hole 212 that opens upward is formed on the first inner side plate 21; second opening holes 311 that are opened downward are provided in the second inner side plate 31 at positions corresponding to the first opening holes 212; each of the first opening holes 212 is connected to the second opening hole 311 to form at least one through hole. Each fan 5 is connected with each through hole through an air duct respectively, and the fan 5 sends air flow to the second cavity.

In one example, referring to fig. 1 and 3, the blower 5 includes two, and the through hole includes two.

Preferably, the through hole is a square through hole, that is, the first opening hole 212 and the second opening hole 311 are square holes with equal width.

In one embodiment, referring to fig. 1, 2, 3 and 5, the first inner side plate 21 and the second inner side plate 31 are connected in a manner of abutting. Specifically, a step 211 is provided on the outer side of the lower edge of the first inner side plate 21; the upper edge of the second inner side plate 31 abuts the step 211.

In order to increase the strength of the water collector 3, it is preferable that a plurality of vertical reinforcing ribs 34 are provided at the outer side of the second inner side plate 31 to increase the strength of the second inner side plate 31, thereby stably supporting the upper heat retainer 2.

Preferably, two of the vertical reinforcing ribs 34 are respectively disposed at the middle portion of the second inner side plate 31.

Further preferably, the frame further comprises a transverse reinforcing rib 36 which is positioned at the upper side edge of the second inner side plate 31 and increases the width of the upper side edge of the second inner side plate 31; the transverse ribs 36 abut against the steps 211 of the first inner side plate 21, and the difficulty of connecting the first inner side plate 21 and the second inner side plate 31 is reduced.

Preferably, the two ends of the transverse reinforcing rib 36 are fixedly connected to the upper ends of the two vertical reinforcing ribs 34 located in the middle of the second inner side plate 31, respectively, so as to further enhance the strength of the second inner side plate 31.

In one embodiment, referring to fig. 5, a plurality of vertical variable cross-section reinforcing ribs 35 including a large end and a small end are disposed on the inner side of the second inner side plate 31; the big end is fixedly connected with the second bottom plate 32, and the small end is fixedly connected with the upper side of the second inner side plate 31, so that the connecting strength of the second inner side plate 31 and the second bottom plate 32 is increased.

Preferably, the vertical ribs 34, the horizontal ribs 36, and the variable cross-section ribs 35 are integrally formed with the second inner side plate 31.

In one embodiment, referring to fig. 1, 2, 3 and 5, a bottom support 6 made of a thermal insulation material is provided for the water pan 3, and is located below the water pan 3 and fixedly connected to the second bottom plate 32 for preventing heat or cold in the housing 1 from being lost from the lower side of the housing 1.

Preferably, the base support 6 is fixedly connected to the second base plate 32 by means of gluing.

Further preferably, an upwardly concave groove 38 is provided on the underside of the second base plate 32; a second bulge 61 which is matched with the groove 38 in a connecting way is arranged on the upper side of the bottom support 6; the second projection 61 is fitted into the groove 38 and bonded to the groove 38.

Preferably, the groove 38 is an elongated groove 38 located on a side of the second bottom panel 31 proximate to the second inner side panel 31.

Preferably, the second protrusion 61 has a right trapezoid shape in longitudinal section, and the right-angled side is adjacent to the second inner side plate 31. Correspondingly, the recess 38 comprises a trapezoidal recess 38 adapted to be connected to the second protrusion 61. One side of the hypotenuse of the right trapezoid of the groove 38 has a guiding effect on the installation of the bottom support 6 and the water pan 3, so that the installation of the bottom support 6 and the water pan 3 is facilitated and the installation efficiency is improved.

Preferably, the side wall of the groove 38 corresponding to the right-angle side of the trapezoid is the second inner side plate 31; the mounting 6 extends to the front side of the drip tray 3. The water pan 3 is fixedly connected with the bottom support 6 to form a bottom support component of the water pan 3. Because water collector 3 and collet 6 are installed in casing 1, the front side and the front panel 13 butt of collet 6, the fixed front side that supports collet 6 through front panel 13 of water collector collet subassembly is injectd, the effort of using the front side of collet 6 is transmitted to the second arch 61 on, thereby on using second interior plate 31, because second interior plate 31 is vertical platelike structure, make the protruding 61 of second deviate from in the recess 38, increase the steadiness that water collector 3 and collet 6 are connected.

In one example, referring to fig. 1, a positioning hole 37, which is an opening hole along the height direction of the second inner side plate 31 and is opened at the outer side of the second inner side plate 31, is provided at one end of the water pan 3; a positioning column is disposed in the housing 1 at an end corresponding to the positioning hole 37, and the positioning column is located in the positioning hole 37. An electrical box is arranged at one end of the shell 1 of the first cavity; the other end of the water pan 3 is positioned at the front side of the electric appliance box, and the water pan 3 and the upper heat preservation piece 2 are positioned in the front-back direction through the electric appliance box.

Preferably, the positioning hole 37 is a square through hole opened to the left side plate 15 and the rear panel 12, and its inner wall is parallel to the left side plate 15 and the rear panel 12, respectively.

In one embodiment, referring to fig. 1, 2, 3 and 5, the upper thermal insulation member 2 is integrally formed of foam.

A first projection 213 is provided on the outer side of the first inner side plate 21. The fan 5 comprises a volute 51 and a motor; the volute 51 is fixedly connected with the top plate 11 in a buckling mode; the motor passes through motor mounting 7 and roof 11 fixed connection. The volute 51 is connected with the first protrusion 213 when being clamped with the top plate 11, and the first protrusion 213 is elastically deformed, so that the connection of the buckles is tight connection, the shock resistance is enhanced, and the risk of buckle disengagement caused by vibration is reduced. And because the upper heat preservation member 2 is made of foam in an integrated molding manner, the volute 51 is connected with the upper heat preservation member 2, so that the vibration noise can be greatly reduced.

Preferably, the first protrusion 213 is a square protrusion corresponding to the lateral reinforcing bead 36. The lateral reinforcing bead 36 is coupled to the lower side edge of the first protrusion 213.

In one embodiment, referring to fig. 1, the upper thermal insulator 2 further includes a first right side plate 23. The housing includes a right side plate 16 connected to a first right side plate 23. A bendable pressing sheet 161 is arranged on the right side plate 16 corresponding to the height of the first right side plate 23 and fixedly connected with the right side plate 16 into a whole, and after the upper heat preservation member 2 is installed to reach a designated position, the pressing sheet 161 can be bent inwards to be positioned on the outer side of the tail end of the first right side plate 23 and connected with the first right side plate 23 to limit the upper heat preservation member 2 so as to be fixed in the shell 1. The arrangement of the pressing sheet 161 enables the upper heat-insulating piece to be mounted more conveniently, quickly and firmly.

In one embodiment, referring to fig. 1, 3 and 4, a square recess 214 is provided on the outer side of the first inner side plate 21 or the outer side of the first bottom plate 22; correspondingly, a third protrusion 71 fitted into the recess 214 is provided on the top plate 11 or the motor mounting bracket 7. The recess 214 is installed on the third protrusion 71, so that the upper heat-insulating member 2 can be quickly positioned when installed, and the upper heat-insulating member 2 can be prevented from being deformed and dislocated.

Preferably, a square recess 214 is provided on the first inner side plate 21; correspondingly, a third projection 71 is provided on the motor mount 7.

Preferably, the recess 214 is formed in the middle of the upper end of the first inner side plate 21 so that the upper heat retaining member 2 is positioned in the middle of the left and right direction of the first cavity, thereby preventing a large misalignment caused by the deformation of the upper heat retaining member 2.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", 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, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., 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 invention. In this specification, the schematic representations of the terms used above are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. an air duct machine, is characterized in that, comprises:

a shell for forming a cavity;

an upper heat insulating member, which is located in the casing and is used for thermal insulation of the casing;

a water-receiving pan, which is located in the casing, is used for receiving condensed water, is connected with the upper heat insulating member, and divides the cavity in the casing into independent first and second cavities;

at least one blower, which is arranged in the first cavity and is used for feeding airflow into the second cavity;

A heat exchanger, which is arranged in the second cavity, is located between the water receiving tray and the upper heat insulating member, and is used for exchanging heat for the air flow sent by the fan.

2. The air duct machine according to claim 1, characterized in that,

The upper heat insulating member comprises a first bottom plate and a first inner side plate; the first inner side plate is vertically connected with one side of the first bottom plate;

The water receiving tray includes a second bottom plate and a second inner plate; the second inner plate is vertically connected with one side of the second bottom plate; the first inner plate is connected with the second inner plate to connect all the The cavity in the casing is divided into the first cavity and the second cavity.

3 . The air duct machine according to claim 2 , wherein a step is provided on the outer side of the end of the first inner side plate; and the end of the second inner side plate is connected with the step. 4 .

4. The air duct machine according to claim 3, wherein the casing comprises a bottom plate and a top plate;

the first bottom plate is located below the top plate and is connected with the top plate;

The second bottom plate is located above the bottom plate and is connected with the bottom plate.

5 . The air duct machine according to claim 4 , wherein at least one downwardly opening first opening hole is provided on the first inner side panel; The positions of the first opening holes are respectively provided with second opening holes opening upward; each of the first opening holes is connected with each of the second opening holes in a one-to-one correspondence to form at least one through hole; Each of the fans is connected.

6. The air duct machine according to claim 5, characterized in that, the upper heat insulating member is manufactured by integral foam molding; a square recess is provided on the outer side of the first inner side plate; and a square recess is provided on the bottom plate; There is a third protrusion adapted to the recessed connection and connected to the recessed.

7 . The air duct machine according to claim 6 , wherein the recess is located in the middle of the upper end of the first inner side plate. 8 .

8 . The air duct machine according to claim 4 , wherein the upper heat insulating member further comprises a first right side plate, which is located at one end of the upper heat insulating member and is connected to the first bottom plate; 8 .

The casing also includes a right side plate, which is used to form a side wall of one end of the casing and is connected with the first right side plate; the right side plate corresponds to the first right side plate. The height is provided with a bendable pressing sheet;

When the upper heat insulating member is located in the casing, the pressing sheet is bent inward to be positioned below the end of the first right side plate and connected to the first right side plate.

9. The duct machine according to any one of claims 1 to 8, wherein the water receiving tray is provided with a bottom bracket, which is integrally formed with a heat insulating material; the water receiving tray is located on the bottom The upper part of the bracket is fixedly connected with the bottom bracket.

10. The air duct machine according to claim 9, wherein a groove is provided on the outer side of the second bottom plate; Two protrusions; the second protrusion is inserted into the groove; the water receiving tray and the bottom bracket are fixedly connected by means of bonding.