Heat exchanger pipeline connecting structure and air conditioner

Abstract

The heat exchanger pipeline connecting structure comprises a heat exchanger, a heat exchange pipe and a connecting pipe, the heat exchange pipe comprises a heat exchange section located inside the heat exchanger and a flaring section located outside the heat exchanger, and the end of the connecting pipe is provided with a necking section capable of being connected with the heat exchange section and a connecting section capable of being connected with the flaring section. When the connecting pipe is connected with the heat exchange pipe, the necking section penetrates through the flaring section and is connected with the heat exchange section, the connecting section is connected with the flaring section, and compared with a traditional heat exchanger pipeline connecting structure in which the connecting pipe is only connected with the flaring section, the connecting pipe can be connected with the heat exchange section while being connected with the flaring section. The length of the pipe section, inserted into the heat exchange pipe, of the connecting pipe is increased, the contact area of the pipe section inserted into the heat exchange pipe and the inner wall of the heat exchange pipe is larger, connection between the connecting pipe and the heat exchange pipe is more stable, and the problem that the heat exchange pipe cannot be damaged during production, carrying and daily use of the heat exchanger is solved. And the connecting pipe is easy to loosen or shake due to stress, so that the connecting pipe is separated from the heat exchange pipe or is bent and deformed.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchanger field especially relates to a heat exchanger pipeline connection structure and air conditioner. BACKGROUND

[0002] The heat exchanger is a kind of equipment for the heat exchange between two or more different temperature fluid media, and the existing heat exchanger is usually provided with one or more heat exchange pipes, the heat exchange pipe has flared section located outside the heat exchanger, in order to connect heat exchange pipe and other equipment or connect multiple heat exchange pipes together, usually set up connecting pipe and the end of connecting pipe is inserted into flared section to connect, at this time, the inside of heat exchange pipe and the inside of connecting pipe are communicated, and fluid can flow in heat exchange pipe and connecting pipe, but when this heat exchanger pipeline connection structure is used, connecting pipe is only inserted into the flared section of heat exchange pipe, the length of pipe section of connecting pipe inserted into flared section is shorter, and the contact area of pipe section of connecting pipe inserted into flared section and the inner wall of heat exchange pipe is smaller, so the connection of connecting pipe and heat exchange pipe is not stable, and connecting pipe is prone to loose or shake under stress in the process of production and daily use of heat exchanger, so that it is separated from heat exchange pipe or bent and deformed. SUMMARY

[0003] The utility model aims at at least one of the technical problems existing in prior art is solved.For this purpose, the utility model provides a heat exchanger pipeline connection structure, heat exchange pipe and connecting pipe can be more stably connected, and connecting pipe is not prone to stress separation from heat exchange pipe or bent and deformed.

[0004] The utility model further provides an air conditioner with the above-mentioned heat exchanger pipeline connection structure.

[0005] According to the heat exchanger pipeline connection structure of the first aspect embodiment of the utility model, comprising:

[0006] The heat exchanger is provided with heat exchange pipe inside, the heat exchange pipe includes heat exchange section and flared section, the heat exchange section is located inside the heat exchanger, and the flared section is located outside the heat exchanger;Connecting pipe, the end of connecting pipe has the necking section that can be connected with the heat exchange section and the connecting section that can be connected with the flared section;When the connecting pipe is connected with the heat exchange pipe, the necking section passes through the flared section and is connected with the heat exchange section, and the connecting section is connected with the flared section.

[0007] According to the heat exchanger pipeline connection structure of the utility model embodiment, at least has following beneficial effects:

[0008] By setting the connecting section with the necked section at one end of the connecting pipe, when the connecting pipe is connected with the heat exchange pipe, the necked section can pass through the flared section to be connected with the heat exchange section, and meanwhile the connecting section can be connected with the flared section, compared with the conventional connecting pipe which is only connected with the flared section of the heat exchanger pipe connecting structure, the connecting pipe can be connected with the flared section and the heat exchange section at the same time, thereby the length of the pipe section inserted into the heat exchange pipe is prolonged, the contact area between the pipe section inserted into the heat exchange pipe and the inner wall of the heat exchange pipe is larger, and the connection between the connecting pipe and the heat exchange pipe is more stable, thereby the technical problem that the connecting pipe is easily loosened or shaken to be separated from the heat exchange pipe or bent and deformed in the production, transportation and daily use of the heat exchanger is solved.

[0009] According to some embodiments of the present application, the periphery of the flared section has a guide part for guiding the insertion of the connecting pipe into the heat exchange pipe.

[0010] According to some embodiments of the present application, the connecting pipe is a first connecting pipe, the heat exchanger is internally provided with at least two heat exchange pipes, one end of the first connecting pipe is connected with one of the heat exchange pipes, and the other end of the first connecting pipe is connected with another heat exchange pipe.

[0011] According to some embodiments of the present application, the first connecting pipe has a U-shaped appearance.

[0012] According to some embodiments of the present application, the number of the connecting pipes is two or more, at least one of the connecting pipes is a second connecting pipe, and at least one of the connecting pipes is a third connecting pipe, one of the second connecting pipe and the third connecting pipe is used for flowing fluid into the heat exchange pipe, and the other of the second connecting pipe and the third connecting pipe is used for flowing fluid out of the heat exchange pipe.

[0013] According to some embodiments of the present application, the number of the second connecting pipes is two, a first three-way joint is arranged between the two second connecting pipes, the first three-way joint has a first main pipe section and two first branch pipe sections, and one end of the two second connecting pipes away from the heat exchange pipe is connected with the two first branch pipe sections one by one.

[0014] According to some embodiments of the present application, the first three-way joint has a T-shaped appearance, and the axes of the two first branch pipe sections are on the same straight line.

[0015] According to some embodiments of the present application, the number of the third connecting pipes is two, a second three-way joint is arranged between the two third connecting pipes, the second three-way joint has a second main pipe section and two second branch pipe sections, and one end of the two third connecting pipes away from the heat exchange pipe is connected with the second main pipe section and one of the second branch pipe sections one by one.

[0016] According to some embodiments of the present application, the second tee joint is Y-shaped in appearance, and the two second branch pipe sections are located on the same side of the second tee joint.

[0017] According to the air conditioner of the second aspect of the present application, the air conditioner body is provided with the heat exchanger pipe connection structure.

[0018] According to the air conditioner of the present application, at least the following beneficial effects are achieved:

[0019] The air conditioner of the present application has the heat exchanger pipe connection structure, which has the following advantages: the connecting pipe is provided with a connecting section with a necked section at one end, and the necked section can pass through the flared section to connect with the heat exchange section when the connecting pipe is connected with the heat pipe. At the same time, the connecting section can be connected with the flared section. Compared with the conventional heat exchanger pipe connection structure in which the connecting pipe is only connected with the flared section, the connecting pipe can be connected with the flared section and the heat exchange section at the same time. As a result, the length of the pipe section of the connecting pipe inserted into the heat pipe is extended, the contact area between the pipe section of the connecting pipe inserted into the heat pipe and the inner wall of the heat pipe is larger, and the connection between the connecting pipe and the heat pipe is more stable. The technical problem that the connecting pipe is easily loosened or shaken to be disconnected from the heat pipe or bent and deformed during the production, transportation and daily use of the heat exchanger is solved.

[0020] The additional aspects and advantages of the present application will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0021] The present application will be further described below in combination with the drawings and embodiments, in which:

[0022] Figure 1 FIG. 1 is a structural schematic view of the heat exchanger pipe connection structure of the present application;

[0023] Figure 2 FIG. 1 is a structural schematic view of the heat exchanger pipe connection structure of the present application;

[0024] Figure 3 FIG. 1 is a structural schematic view of the heat exchanger pipe connection structure of the present application; Figure 2 FIG. 1 is a structural schematic view of the heat exchanger pipe connection structure of the present application;

[0025] Figure 4 FIG. 1 is a structural schematic view of the heat exchanger pipe connection structure of the present application; Figure 2 FIG. 1 is a structural schematic view of the heat exchanger pipe connection structure of the present application;

[0026] REFERENCE NUMERALS:

[0027] Heat exchanger 100, heat exchange pipe 200, heat exchange section 210, flared section 220, guide portion 221, first connecting pipe 300, connecting section 310, constricted section 320, second connecting pipe 400, first tee joint 410, first main pipe section 411, first branch pipe section 412, third connecting pipe 500, second tee joint 510, second main pipe section 511, second branch pipe section 512. DETAILED DESCRIPTION

[0028] Embodiments of the present application will be described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numbers represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are only used to explain the present application and cannot be understood as a limitation of the present application.

[0029] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as a limitation of the present application.

[0030] In the description of the present application, the meaning of several is more than one, the meaning of multiple is more than two, greater than, less than, more than, etc. are understood as not including the number, above, below, etc. are understood as including the number. If it is described as first, second, it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the sequence of indicated technical features.

[0031] In the description of the present application, unless otherwise explicitly limited, the words such as setting, installing, connecting, etc. should be broadly understood, and the person skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical solution.

[0032] In the description of the present application, the description of the reference terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the present application. In the specification, the exemplary description of the above terms does not necessarily mean the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0033] Reference Figure 1According to the heat exchanger pipe connecting structure of the first aspect of the present application, the connecting pipe is provided with the connecting section 310 with the necked section 320 at one end, when the connecting pipe is connected with the heat exchange pipe 200, the necked section 320 can pass through the flared section 220 and be connected with the heat exchange section 210, and the connecting section 310 can be connected with the flared section 220, compared with the conventional heat exchanger pipe connecting structure in which the connecting pipe is only connected with the flared section 220, the connecting pipe can be connected with the flared section 220 and the heat exchange section 210 at the same time, thereby prolonging the length of the pipe section of the connecting pipe inserted into the heat exchange pipe 200, the contact area between the pipe section of the connecting pipe inserted into the heat exchange pipe 200 and the inner wall of the heat exchange pipe 200 is larger, and the connection between the connecting pipe and the heat exchange pipe 200 is more stable, thus solving the technical problem that the connecting pipe is prone to loosening or shaking under stress and thus separated from the heat exchange pipe 200 or bent and deformed during the production and transportation of the heat exchanger and the daily use of the heat exchanger.

[0034] It can be understood that the heat exchange pipe 200 and the connecting pipe are usually made of copper or copper alloy, thereby making the heat exchange pipe 200 and the connecting pipe have better heat conduction performance and corrosion resistance, the copper or copper alloy has good ductility, and the processing and manufacturing are more convenient, of course, the heat exchange pipe 200 and the connecting pipe can also be made of aluminum, stainless steel or other materials, and the present application does not make a specific limitation in this respect.

[0035] It can be understood that the heat exchange pipe 200 and the connecting pipe are usually made of copper or copper alloy, thereby making the heat exchange pipe 200 and the connecting pipe have better heat conduction performance and corrosion resistance, the copper or copper alloy has good ductility, and the processing and manufacturing are more convenient, of course, the heat exchange pipe 200 and the connecting pipe can also be made of aluminum, stainless steel or other materials, and the present application does not make a specific limitation in this respect.

[0036] It can be understood that the connection between the necking section 320 and the heat exchange section 210 and the connection between the connecting section 310 and the flared section 220 can be an interference fit connection, thereby making the connection of the two more stable, of course, the connection between the necking section 320 and the heat exchange section 210 or the connection between the connecting section 310 and the flared section 220 can also be connected by welding connection, adhesive connection or other connection, which is not limited in the utility model.

[0037] With reference to Figure 1 In some embodiments of the utility model, the periphery of the flared section 220 has a guide portion 221, the guide portion 221 is used to guide the connecting pipe to insert the heat exchange pipe 200, the diameter of the guide portion 221 gradually increases along the direction away from the flared section 220, in the embodiment, the guide portion 221 is trumpet-shaped in appearance, the guide portion 221 can also be pyramid-shaped or other shapes in appearance.

[0038] By adopting the above structure, the connecting pipe can be more easily inserted from the guide portion 221 with a larger diameter, after the connecting pipe is inserted into the guide portion 221, it will be guided to the flared section 220 by the guide portion 221 and aligned with the inlet of the flared section 220, thereby making the connecting pipe more easily inserted into the flared section 220, facilitating the assembly of the connecting pipe and the heat exchange pipe 200.

[0039] It can be understood that the guide portion 221 and the flared section 220 can be an integral structure, the guide portion 221 can also be connected with the flared section 220 by welding connection, clamping connection, adhesive connection or other connection, which is not limited in the utility model.

[0040] With reference to Figure 2 In some embodiments of the utility model, the connecting pipe is a first connecting pipe 300, the heat exchanger 100 is internally provided with at least two heat exchange pipes 200, one end of the first connecting pipe 300 is connected with one of the heat exchange pipes 200, the other end of the first connecting pipe 300 is connected with the other heat exchange pipe 200.

[0041] By adopting the above structure, the heat exchanger 100 is internally provided with at least two heat exchange pipes 200, the first connecting pipe 300 can connect two different heat exchange pipes 200, the first connecting pipe 300 and the heat exchange pipe 200 constitute a heat exchange loop, the refrigerant flows in the heat exchange loop and exchanges heat with other fluids outside the heat exchange loop.

[0042] It should be noted that the heat exchange pipe 200 is U-shaped in appearance, the two ports of the heat exchange pipe 200 are located on the same side, therefore, only the first connecting pipe 300 needs to be arranged on one side for connecting with the heat exchange pipe 200, thereby being able to reduce the processing cost and assembly difficulty.

[0043] With reference to Figure 2In some embodiments of the present application, the first connecting pipe 300 has a U-shaped appearance, thereby facilitating the processing of the first connecting pipe 300 and reducing the processing cost and assembly difficulty.

[0044] With reference to Figure 2 In some embodiments of the present application, the number of connecting pipes is two or more, at least one connecting pipe is the second connecting pipe 400, and at least one connecting pipe is the third connecting pipe 500, one of the second connecting pipe 400 and the third connecting pipe 500 is used for flowing into the heat exchange pipe 200, and the other of the second connecting pipe 400 and the third connecting pipe 500 is used for flowing out of the heat exchange pipe 200.

[0045] With reference to Figure 2 And Figure 4 In some embodiments of the present application, the number of second connecting pipes 400 is two, and a first three-way joint 410 is arranged between the two second connecting pipes 400, the first three-way joint 410 is used for splitting or combining the refrigerant, the first three-way joint 410 has a first main pipe section 411 and two first branch pipe sections 412, and the ends of the two second connecting pipes 400 away from the heat exchange pipe 200 are connected to the two first branch pipe sections 412 one by one.

[0046] By adopting the above structure, when the refrigerant flows into the heat exchange pipe 200 through the second connecting pipe 400, the refrigerant can flow into the first three-way joint 410 through the first main pipe section 411, then the refrigerant is split into two streams in the first three-way joint 410 and flows into the two second connecting pipes 400 through the two first branch pipe sections 412, and finally the refrigerant flows into the heat exchange pipe 200 through the second connecting pipe 400, when the refrigerant flows out of the heat exchange pipe 200 through the second connecting pipe 400, the refrigerant flows out of the two second connecting pipes 400 respectively, the refrigerant flows to the first three-way joint 410 through the two first branch pipe sections 412 and combines into one stream, and finally the refrigerant flows out to the outside through the first main pipe section 411.

[0047] It should be noted that the two second connecting pipes 400 can be connected to one heat exchange pipe 200 at the same time, or can be connected to two heat exchange pipes 200 one by one, the two heat exchange pipes 200 connected to the two second connecting pipes 400 can be located in one heat exchange loop at the same time, or can be located in different heat exchange loops independent of each other, when the two second connecting pipes 400 are connected to the two heat exchange pipes 200 located in different heat exchange loops independent of each other one by one, the first three-way joint 410 is used for splitting the refrigerant into different heat exchange loops for heat exchange, at this time, the refrigerant split into two streams simultaneously exchanges heat in different heat exchange loops, the heat exchange efficiency of the refrigerant and other fluids is higher, and the refrigerant located in different heat exchange loops can also exchange heat with different fluid media.

[0048] It can be understood that the first main pipe section 411 can be connected with other pipelines and connect other devices such as compressors and the like through the pipelines, and the first main pipe section 411 can also be directly connected with other devices, and the utility model does not make specific limitation on this.

[0049] With reference to Figure 4 In some embodiments of the utility model, the first tee joint 410 is T-shaped in appearance, and the axes of the two first branch pipe sections 412 are on the same straight line.

[0050] By adopting the above structure, the first tee joint 410 which is T-shaped in appearance can make the distribution and combination of the refrigerant more uniform, and since the axes of the two first branch pipe sections 412 are on the same straight line, the axes of the two second connecting pipes 400 can also be on the same straight line when the first branch pipe section 412 is connected with the second connecting pipe 400, the second connecting pipe 400 can be arranged parallel to the heat exchanger 100 with the first tee joint 410, so that the heat exchanger 100 is better in appearance.

[0051] With reference to Figure 3 In some embodiments of the utility model, the number of the third connecting pipes 500 is two, and a second tee joint 510 is arranged between the two third connecting pipes 500, the second tee joint 510 is used for distributing or combining the refrigerant, the second tee joint 510 has a second main pipe section 511 and two second branch pipe sections 512, and the ends of the two third connecting pipes 500 away from the heat exchange pipes 200 are connected with the second main pipe section 511 and one of the second branch pipe sections 512 in one-to-one correspondence.

[0052] By adopting the above structure, when the refrigerant flows into the heat exchange pipes 200 through the third connecting pipes 500, the refrigerant can flow into the second tee joint 510 through one of the second branch pipe sections 512, then the refrigerant is distributed into two streams in the second tee joint 510 and flows into the two third connecting pipes 500 through the second main pipe section 511 and the other second branch pipe section 512, and finally flows into the heat exchange pipes 200 through the third connecting pipes 500, when the refrigerant flows out of the heat exchange pipes 200 through the third connecting pipes 500, the refrigerant flows out of the two third connecting pipes 500 respectively, the refrigerant flows to the second tee joint 510 through the second main pipe section 511 and one of the second branch pipe sections 512 and combines into one stream, and finally the refrigerant flows out to the outside through the second branch pipe section 512.

[0053] It should be noted that the two third connecting pipes 500 can be connected with one heat exchange pipe 200 at the same time, or can be connected with two heat exchange pipes 200 one by one, and the two heat exchange pipes 200 connected with the two third connecting pipes 500 can be located in one heat exchange circuit at the same time, or can be located in different heat exchange circuits independent of each other, when the two third connecting pipes 500 are connected with the two heat exchange pipes 200 located in different heat exchange circuits independent of each other one by one, the second three-way joint 510 is used for dividing the refrigerant into different heat exchange circuits to exchange heat, at this time, the refrigerant divided into two flows exchanges heat in different heat exchange circuits at the same time, the heat exchange efficiency of the refrigerant and other fluids is higher, and the refrigerant located in different heat exchange circuits can also exchange heat with different fluid media.

[0054] With reference to Figure 3 In some embodiments of the present application, the second three-way joint 510 has a Y-shaped appearance, and the two second branch pipe sections 512 are located on the same side of the second three-way joint 510, one of the two second branch pipe sections 512 is connected with the third connecting pipe 500, and the refrigerant outside the third connecting pipe 500 flows into or out of the third connecting pipe 500 through the other second branch pipe section 512.

[0055] By adopting the above structure, the second main pipe section 511 and the two second branch pipe sections 512 of the second three-way joint 510 having a Y-shaped appearance are located in the same direction, and the pipe sections connected with the second main pipe section 511 and the two second branch pipe sections 512 are in the same direction, so that the structure between the pipelines connected with the second three-way joint 510 is more compact, the installation requirements of the heat exchanger 100 in specific conditions are met, and the pipelines connected with the second three-way joint 510 can be arranged parallel to the heat exchanger 100, so that the heat exchanger 100 has better appearance.

[0056] According to the second aspect of the present application, an air conditioner comprises an air conditioner main body, and the air conditioner main body is provided with the heat exchanger pipeline connection structure of the above-mentioned embodiments.

[0057] The air conditioner of the embodiment of the utility model through adopting heat exchanger pipeline connection structure of any one of above, set up the connecting section 310 with the necking section 320 in one end of the connecting pipe, when the connecting pipe is connected with the heat exchange pipe 200, the necking section 320 can pass through the flaring section 220 and be connected with the heat exchange section 210, simultaneously the connecting section 310 can be connected with the flaring section 220, compared with the heat exchanger pipeline connection structure of traditional connecting pipe and only flaring section 220 connection, the connecting pipe can be connected with flaring section 220, heat exchange section 210 simultaneously, thus lengthened the length of the pipe section of connecting pipe inserted into the heat exchange pipe 200, the contact area of the pipe section of connecting pipe inserted into the heat exchange pipe 200 with the inner wall of the heat exchange pipe 200 is larger, the connection of connecting pipe and heat exchange pipe 200 is more stable, solved the technical problem that connecting pipe is easy to be stressed and loose or shake and thus separate from the heat exchange pipe 200 or bend and deform in the production and daily use of heat exchanger.

[0058] The above has made detailed description to the embodiment of the utility model in combination with the drawings, but the utility model is not limited to the above embodiment, within the knowledge range of ordinary skill in the art, various changes can be made without departing from the purpose of the utility model. In addition, the embodiments and the features in the embodiments of the utility model can be combined with each other without conflict.

Claims

1. A heat exchanger piping connection structure, characterized in that, The application relates to a heat exchanger (100) internally provided with a heat exchange pipe (200), wherein the heat exchange pipe (200) comprises a heat exchange section (210) located inside the heat exchanger (100) and a flared section (220) located outside the heat exchanger (100); a connecting pipe, the end of which is provided with a necked section (320) capable of being connected with the heat exchange section (210) and a connecting section (310) capable of being connected with the flared section (220); when the connecting pipe is connected with the heat exchange pipe (200), the necked section (320) penetrates through the flared section (220) and is connected with the heat exchange section (210), and the connecting section (310) is connected with the flared section (220). The flared section (220) is provided with a guide part (221) on the periphery thereof, which is used for guiding the insertion of the connecting pipe into the heat exchange pipe (200). The connecting pipe is a first connecting pipe (300), the heat exchanger (100) is internally provided with at least two heat exchange pipes (200), one end of the first connecting pipe (300) is connected with one of the heat exchange pipes (200), and the other end of the first connecting pipe (300) is connected with the other heat exchange pipe (200). The first connecting pipe (300) has a U-shaped appearance.

2. The heat exchanger tube connection structure according to claim 1, wherein The number of the connecting pipes is two or more, at least one of the connecting pipes is a second connecting pipe (400), and at least one of the connecting pipes is a third connecting pipe (500), one of the second connecting pipe (400) and the third connecting pipe (500) is used for flowing into the heat exchange pipe (200), and the other of the second connecting pipe (400) and the third connecting pipe (500) is used for flowing out of the heat exchange pipe (200).

3. The heat exchanger tube connection structure according to claim 1, wherein The number of the second connecting pipes (400) is two, a first three-way joint (410) is arranged between the two second connecting pipes (400), the first three-way joint (410) is provided with a first main pipe section (411) and two first branch pipe sections (412), and the ends of the two second connecting pipes (400) far from the heat exchange pipe (200) are connected with the two first branch pipe sections (412) in one-to-one correspondence.

4. The heat exchanger tube connection structure according to claim 3, wherein The first three-way joint (410) has a T-shaped appearance, and the axes of the two first branch pipe sections (412) are located on the same straight line.

5. The heat exchanger tube connection structure according to claim 1, wherein The number of the third connecting pipes (500) is two, a second three-way joint (510) is arranged between the two third connecting pipes (500), the second three-way joint (510) is provided with a second main pipe section (511) and two second branch pipe sections (512), and the ends of the two third connecting pipes (500) far from the heat exchange pipe (200) are connected with the second main pipe section (511) and one of the second branch pipe sections (512) in one-to-one correspondence.

6. The heat exchanger tube connection structure according to claim 5, wherein The second three-way joint (510) has a Y-shaped appearance, and the two second branch pipe sections (512) are located on the same side of the second three-way joint (510).

7. The heat exchanger tube connection structure according to claim 6, wherein ​ 8. The heat exchanger tube connection structure according to claim 5, wherein ​ 9. The heat exchanger tube connection structure according to claim 8, wherein ​ 10. An air conditioner characterized by comprising: The air conditioner body is configured with the heat exchanger pipe connecting structure as claimed in any one of claims 1 to 9. The air conditioner body is configured with the heat exchanger pipe connecting structure as claimed in any one of claims 1 to 9.

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