WO2020134660A1 - Assembly structure of evaporator, and air conditioner - Google Patents

Abstract

Disclosed is an assembly structure of an evaporator. The assembly structure comprises the evaporator (12) and an air duct, wherein a first tube plate (16) is arranged on the evaporator (12), and an air duct frame (151) of the air duct is provided with a protruding part (1511), with the first tube plate (16) and the protruding part (1511) forming a detachable connection.

Description

Assembling structure of evaporator and air conditioner

This application is based on a Chinese patent application with an application number of 201811617632.7 and an application date of December 28, 2018, and claims the priority of the Chinese patent application. The entire content of the Chinese patent application is hereby incorporated by reference.

Technical field

The invention relates to the technical field of refrigeration, in particular to an assembly structure of an evaporator and an air conditioner.

Background technique

In the prior art, the assembly connection between the evaporator and the air duct is generally achieved through a tube sheet connection plate. FIG. 1 is an assembly of an evaporator according to the prior art. Schematic diagram of the structure, as shown in FIG. 1, an evaporator 12 is provided on the outside of the cross-flow fan 11, an inner tube sheet 13 and an outer tube sheet 14 are both provided on the side of the evaporator 12, and one end of the tube sheet connecting plate 10 is connected to the evaporator The inner tube sheet 13 on the 12 is connected, and the other end is connected with the air duct skeleton 151 on the air duct, which undoubtedly makes the assembly structure of the evaporator complicated and costly.

Summary of the invention

Embodiments of the present invention provide an assembly structure of an evaporator and an air conditioner, to solve the problems of complicated assembly and high cost of the assembly structure of the evaporator in the prior art. In order to have a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. This summary is not a general comment, nor is it to determine key/important elements or to describe the scope of protection of these embodiments. Its sole purpose is to present some concepts in a simple form as a preface to the detailed description that follows.

According to a first aspect of the embodiments of the present invention, there is provided an assembly structure of an evaporator, including an evaporator and an air duct, characterized in that a first tube sheet is provided on the evaporator, and a convex is provided on the air duct skeleton of the air duct At the outlet, the first tube sheet is detachably connected to the protrusion.

In some optional embodiments, an assembly portion is provided on the first tube plate, and the assembly portion extends in the direction of the air duct skeleton and is fixedly connected to the protruding portion.

In some optional embodiments, the connecting surface of the protruding portion and the assembling portion is flat or curved.

In some optional embodiments, the two ends of the first tube sheet in the longitudinal direction are provided with connecting portions, the connecting portion is perpendicular to the length direction of the first tube sheet, and the connecting surface of the connecting portion is adapted to the shape of the end surface of the air duct .

In some optional embodiments, the connecting portion is provided with a mounting hole for fixing the connecting portion to the air duct.

In some alternative embodiments, the length of the protrusion is the same as the length of the first tube sheet.

In some optional embodiments, the protrusion is provided with one or more first screw holes along its length, and the first tube sheet is provided with one or more second screw holes along its length, the first screw The holes are distributed in the same manner as the second screw holes.

In some optional embodiments, when there are multiple first screw holes, they are evenly distributed along the length of the protrusion.

In some alternative embodiments, the spacing between adjacent first screw holes is 1/8-1/3 of the length of the protrusion.

According to a second aspect of the embodiments of the present invention, there is provided an air conditioner having the above evaporator assembly structure.

The technical solutions provided by the embodiments of the present invention may include the following beneficial effects:

In the embodiment of the present invention, the first tube sheet is provided on the evaporator, and the protruding portion is provided on the air duct skeleton of the air duct, so that the first tube sheet and the protruding portion directly form a detachable connection, avoiding the use of the tube sheet connecting plate. The assembly of the evaporator and the air duct is realized, the assembly process of the assembly structure of the evaporator is simplified, and the production cost is reduced.

It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and do not limit the present invention.

BRIEF DESCRIPTION

The drawings here are incorporated into and constitute a part of this specification, show embodiments consistent with the present invention, and are used together with the specification to explain the principles of the present invention.

FIG. 1 is a schematic structural diagram showing the assembly of an evaporator according to the prior art.

Fig. 2 is a schematic structural diagram showing the assembly of an evaporator according to an exemplary embodiment;

Fig. 3 is a schematic structural diagram showing an assembly of an evaporator according to another exemplary embodiment;

Fig. 4 is a partially enlarged view of an assembly of an evaporator according to an exemplary embodiment from another perspective;

Fig. 5 is a schematic structural diagram of an assembly of an evaporator according to yet another perspective according to an exemplary embodiment;

Fig. 6 is a partially enlarged view of an assembly of an evaporator according to yet another viewing angle according to an exemplary embodiment;

DESCRIPTION OF REFERENCE NUMERALS: 10, tube plate connecting plate; 11, cross-flow fan; 12, evaporator; 13, inner tube plate; 14, outer tube plate; 15, air duct skeleton; 151, air duct skeleton; 1511, convex Outlet; 15111, first screw hole; 16, first tube plate; 161, assembly part; 162, connection part; 1621, mounting hole.

detailed description

The following description and drawings sufficiently illustrate specific embodiments herein to enable those skilled in the art to practice them. Parts and features of some embodiments may be included in or substituted for parts and features of other embodiments. The scope of the embodiments herein includes the entire scope of the claims, as well as all available equivalents of the claims. Herein, the terms "first", "second", etc. are only used to distinguish one element from another, and do not require or imply any actual relationship or order between these elements. In fact the first element can also be called the second element and vice versa. Moreover, the terms "include", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that a structure, device or device that includes a series of elements includes not only those elements, but also other items not explicitly listed Elements, or include elements inherent to such structures, devices, or equipment. Without more restrictions, the element defined by the sentence "include one..." does not exclude that there are other identical elements in the structure, device or equipment that includes the element. The embodiments in this document are described in a progressive manner. Each embodiment focuses on the differences from other embodiments, and the same or similar parts between the embodiments may refer to each other.

The terms "portrait", "landscape", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "herein" The orientation or positional relationship indicated by "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the text and simplifying the description, rather than indicating or implying that the device or element It has a specific orientation, is constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In the description herein, unless otherwise specified and defined, the terms "installation", "connection", and "connection" should be understood in a broad sense, for example, it may be a mechanical connection or an electrical connection, or it may be the communication between two elements, It may be directly connected or indirectly connected through an intermediary. For those of ordinary skill in the art, the specific meaning of the above terms can be understood according to specific situations.

Herein, unless otherwise stated, the term "plurality" means two or more.

In this article, the character "/" indicates that the front and back objects are in an "or" relationship. For example, A/B means: A or B.

According to a first aspect of an embodiment of the present invention, an assembly structure of an evaporator is provided. FIG. 2 is a schematic structural diagram of an assembly of an evaporator according to an exemplary embodiment. As shown in FIG. The assembly structure includes an evaporator 12 and an air duct. The evaporator 12 is provided with a first tube plate 16, the air duct skeleton 151 is provided with a protrusion 1511, and the first tube plate 16 and the protrusion 1511 form a detachable connection .

In the embodiment of the present invention, the first tube plate 16 is provided on the evaporator 12 and the protrusion 1511 is provided on the air duct skeleton 151 of the air duct, so that the first tube plate 16 and the protrusion 1511 directly form a detachable connection, avoiding The tube plate connecting plate 10 is used to realize the assembly of the evaporator 12 and the air duct, which simplifies the assembly process of the assembly structure of the evaporator 12 and reduces the production cost.

In some optional embodiments, the first tube sheet 16 is disposed on the side of the evaporator 12, and is disposed along a direction perpendicular to the height of the evaporator 12, that is, the length direction of the evaporator 12.

By arranging the first tube sheet 16 on the side of the evaporator 12 and along the direction perpendicular to the height of the evaporator 12, the first tube sheet 16 can be more easily fixed on the side of the evaporator 12.

In some optional embodiments, the first tube sheet 16 is provided with an assembling portion 161 that extends in the direction of the air duct skeleton 151 and is fixedly connected to the protruding portion 1511.

By providing an assembly portion 161 on the first tube sheet 16, where the assembly portion 161 extends in the direction of the air duct frame 151, the first tube sheet 16 can be fixedly connected to the protrusion 1511 through the assembly portion 161 to realize the first tube sheet 16 Direct connection with air duct.

In FIG. 2, the contact surface between the assembly portion 161 and the protruding portion 1511 is a flat surface or a curved surface, as long as the shape of the connection surface between the two is the same to prevent crosstalk during the operation of the air conditioner.

In some optional embodiments, the first tube sheet 16 is an integrated structure, and further includes a first segment and a third segment, wherein the first segment is L-shaped and is attached to the cross section of the evaporator 12, the third segment It extends in the direction of the evaporator 12, where the portion connecting the first and third stages is the fitting portion 161, and extends in the cross-sectional direction of the evaporator 12.

By designing the first tube sheet 16 as a three-stage structure, the assembly structure can be simple and can be effectively connected to the protruding portion 1511, wherein the third stage is the tail material remaining after processing the assembly portion 161. The three segments do not affect the assembly of the first tube sheet 16 and the protrusion 1511, and the third segment is arranged toward the evaporator 12. The first tube sheet 16 is an integrally formed structure, compared with the inner tube sheet and In terms of the structure of the outer tube sheet, the installation process of the assembly structure of the evaporator 12 is simplified.

Of course, the first tube plate 16 may also be designed as a split structure, and the assembling portion 161 may be provided at a position close to the air duct skeleton 151, that is, the inner tube plate in the prior art, where the assembling portion 161 is integrated with the inner tube plate.

In some optional embodiments, when the first tube sheet 16 is an integrated structure, the width W2 of the mounting portion 161 and the width W1 of the first tube sheet 16 satisfy:

W1*0.1≤W2≤W1*0.3+1, where W1 and W2 are both in millimeters.

The width W1 of the first tube sheet 16 refers to the length in the direction perpendicular to the cross-section of the evaporator 12.

By setting such a proportional relationship between the width W2 of the mounting portion 161 and the width W1 of the first tube sheet 16, the width W2 of the mounting portion 161 can be adapted to the width W1 of the first tube sheet 16 to avoid the length of the mounting portion 161 Too long causes a waste of material, and can also avoid that the length of the mounting portion 161 is too short and the protruding portion 1511 and the mounting portion 161 cannot be effectively connected, thereby ensuring the connection strength of the protruding portion 1511 and the mounting portion 161.

In some optional embodiments, when the first tube sheet 16 is a split structure, the width W2 of the mounting portion 161 only needs to meet the connection strength requirement with the protrusion 1511. In some optional embodiments, the width of the assembling portion 161 is the same as or similar to the width of the protruding portion 1511, which makes the assembly between the two more convenient, saves materials, and reduces the production cost of the air conditioner.

In some optional embodiments, FIG. 3 is a schematic structural view of an assembly of an evaporator according to an exemplary embodiment from another angle of view. As shown in FIG. 3, the length of the first tube sheet 16 in two directions A connecting portion 162 is provided at the end. The connecting portion 162 is perpendicular to the longitudinal direction of the first tube sheet 16. The connecting surface of the connecting portion 162 is adapted to the shape of the end surface of the air duct.

By providing connecting portions 162 at both ends of the first tube plate 16 in the longitudinal direction, the connecting portions 162 can be fixedly connected to the air duct.

In some optional embodiments, FIG. 4 is a partially enlarged view of an assembly of an evaporator according to an exemplary embodiment from another perspective. As shown in FIG. 4, a mounting hole 1621 is provided in the connecting portion 162, It is used to fix the connection part 162 and the air duct with screws.

Fig. 5 is a schematic structural diagram of an assembly of an evaporator according to yet another perspective shown according to an exemplary embodiment. Fig. 5 is a schematic diagram of a fixed structural connection between an upper connecting portion 162 and an air duct.

Fig. 6 is a partially enlarged view of an assembly of an evaporator according to yet another perspective according to an exemplary embodiment. As shown in Fig. 6, a mounting hole 1621 is provided on the connecting portion 162 at the upper end for positioning the upper end The connecting portion 162 and the air duct are fixedly connected by screws.

In some alternative embodiments, the length of the protrusion 1511 is the same as or similar to the length of the first tube sheet 16.

By setting the length of the protruding portion 1511 to be the same as or close to the length of the first tube plate 16, the cooperation between the protruding portion 1511 and the first tube plate 16 can be made easier and material can be saved.

In some optional embodiments, the protrusion 1511 is provided with one or more first screw holes 15111 along its length, and the first tube sheet 16 is provided with one or more second screw holes along its length, The first screw holes 15111 and the second screw holes are distributed in the same manner.

By providing one or more first screw holes 15111 in the protruding portion 1511 along its length, the first tube plate 16 is provided with a corresponding number of second screw holes along its length, so that the protruding portion 1511 can The fixing between the first tube sheets 16 is more firm.

More specifically, the second screw hole is provided on the fitting portion 161 so that the protruding portion 1511 and the fitting portion 161 form a connection from the first screw hole 15111 and the second screw hole by screws.

When there is one first screw hole 15111, it is provided at a middle position in the longitudinal direction of the protrusion 1511.

By arranging a first screw hole 15111 at an intermediate position in the longitudinal direction of the protrusion 1511, the protrusion 1511 and the first tube sheet 16 can be fixed relatively firmly.

When there are a plurality of first screw holes 15111, they are evenly distributed along the length direction of the protrusion 1511, and an example of the plurality of first screw holes 151111 is shown in FIG. 4.

The number of the first screw holes 15111 is proportional to the length of the protrusion 1511.

By arranging the plurality of first screw holes 15111 uniformly along the length direction of the protrusion 1511, the protrusion 1511 and the first tube sheet 16 can be fixed more firmly and the processing is simple.

In some alternative embodiments, the distance between adjacent first screw holes 15111 is 1/8-1/3 of the length of the protrusion 1511.

By setting the distance between two adjacent first screw holes 15111 to be 1/8-1/3 of the length of the protrusion 1511, it is possible to prevent the protrusion 1511 and the first tube sheet 16 from being caused when the distance is too large Insufficient fixation between the holes can also prevent the first screw holes 15111 from being too dense, resulting in complicated production and assembly processes and reduced production efficiency.

According to a second aspect of the embodiments of the present invention, there is provided an air conditioner having the above evaporator assembly structure. With such an air conditioner, the connection surface between the evaporator 12 and the air duct is closed to avoid the air conditioner Cross wind occurs during operation.

The present invention is not limited to the structure that has been described above and shown in the drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the invention is only limited by the appended claims.

Claims (10)

1. An assembly structure of an evaporator includes an evaporator and an air duct, and is characterized in that the evaporator is provided with a first tube plate, and the air duct skeleton of the air duct is provided with a protrusion, and the first tube The plate forms a detachable connection with the protrusion.
2. The assembling structure of the evaporator according to claim 1, wherein an assembling portion is provided on the first tube plate, and the assembling portion extends in the direction of the air duct skeleton and is fixed to the protruding portion connection.
3. The assembling structure of the evaporator according to claim 1, wherein the connecting surface of the protruding portion and the assembling portion is flat or curved.
4. The assembling structure of the evaporator according to claim 1, wherein the two ends of the first tube sheet in the longitudinal direction are provided with connecting portions, and the connecting portion is perpendicular to the longitudinal direction of the first tube sheet , The connection surface of the connection portion is adapted to the shape of the end surface of the air duct.
5. The assembly structure of the evaporator according to claim 4, wherein the connecting portion is provided with a mounting hole for fixedly connecting the connecting portion to the air duct.
6. The assembly structure of the evaporator according to claim 1, wherein the length of the protrusion is the same as the length of the first tube sheet.
7. The assembly structure of the evaporator according to claim 1, wherein the protruding portion is provided with one or more first screw holes along its length, and the first tube sheet is provided along its length There are one or more second screw holes, and the first screw holes and the second screw holes are distributed in the same manner.
8. The assembly structure of the evaporator according to claim 7, wherein when there are a plurality of the first screw holes, they are evenly distributed along the length direction of the protrusion.
9. The assembling structure of the evaporator according to claim 8, characterized in that the distance between two adjacent first screw holes is 1/8-1/3 of the length of the protrusion.
10. An air conditioner, characterized in that the air conditioner has an assembly structure of an evaporator according to any one of claims 1 to 9.

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