Microchannel heat exchanger and heat exchange system

Abstract

The present invention provides a microchannel heat exchanger and a heat exchange system. The microchannel heat exchanger includes: a microchannel heat exchanger body, the microchannel heat exchanger body includes a flat tube group and a liquid collecting pipe located on both sides of the flat tube group; a mounting portion, the mounting portion is arranged on the flat tube group and extends along the extension direction of the flat tube; a matching portion, the matching portion is movably arranged on the mounting portion, so that the position of the matching portion in the extension direction of the mounting portion can be adjusted, and the matching portion has a mounting position for installation at a position to be installed. The present invention solves the problem of difficulty in installing a microchannel heat exchanger in the prior art.

Description

Technical Field

[0001] The present invention relates to the field of heat exchange equipment, and in particular to a microchannel heat exchanger and a heat exchange system. Background Art

[0002] During the installation of the microchannel heat exchanger and the whole machine, the bracket and the sheet metal parts of the unit are usually connected. However, since the bracket is welded to the manifold of the microchannel heat exchanger product, brazing in the furnace will cause expansion and contraction of the product in length and height, causing the position of the mounting holes on the bracket to become larger and smaller accordingly, so that there are assembly errors between the microchannel heat exchanger product and the sheet metal parts of the unit. There are assembly errors and installation failures, which increases the batch failure rate of the heat exchanger, thereby causing difficulties in installation between the microchannel heat exchanger and the whole machine.

[0003] Therefore, there are problems in the prior art that the microchannel heat exchanger is difficult to install and has a high product defect rate. Summary of the invention

[0004] The main purpose of the present invention is to provide a microchannel heat exchanger and a heat exchange system to solve the problem of difficulty in installing the microchannel heat exchanger in the prior art.

[0005] In order to achieve the above-mentioned purpose, according to one aspect of the present invention, there is provided a microchannel heat exchanger, comprising: a microchannel heat exchanger body, the microchannel heat exchanger body comprising a flat tube group and liquid collecting pipes located on both sides of the flat tube group; a mounting portion, the mounting portion being arranged on the flat tube group and extending along the extension direction of the flat tubes of the flat tube group; a matching portion, the matching portion being movably arranged on the mounting portion so that the position of the matching portion in the extension direction of the mounting portion can be adjusted, and the matching portion having a mounting position for being installed at a position to be installed.

[0006] Furthermore, there are multiple mounting parts, the flat tube group includes multiple flat tubes arranged in sequence along the length direction of the collecting tube, and at least one mounting part is provided on the two flat tubes located at both ends, and there are multiple matching parts, and at least one matching part is provided on each mounting part.

[0007] Furthermore, the mounting portion has a slide rail groove, and at least a portion of the matching portion extends to the notch of the slide rail groove to form a protrusion, the protrusion has a mounting position, and the portion of the matching portion located in the slide rail groove is stopped by the notch to prevent the matching portion from falling.

[0008] Furthermore, the notch of the slide rail groove is in a contracted shape.

[0009] Furthermore, the mounting portion includes two limiting plates arranged opposite to each other, and the ends of the two limiting plates away from the flat tube group are close to each other to form a slide rail groove therebetween, and the ends of the two limiting plates away from the flat tube group are close to each other to form an open gap, and the mounting position is exposed at the open gap.

[0010] Furthermore, the microchannel heat exchanger also includes a fixing member, which is connected at the installation position to fix the microchannel heat exchanger body at the position to be installed.

[0011] Furthermore, the fixing member is a bolt, and the mounting position is a threaded hole that matches the bolt; or the fixing member is a nut, and the mounting position is a threaded column arranged on the matching part, and at least a part of the threaded column extends from the mounting part, and the nut is sleeved on the threaded column.

[0012] Furthermore, the mounting portion is welded to the microchannel heat exchanger body.

[0013] Furthermore, the position of the slide rail groove corresponds to the position of the avoidance hole on the client installation frame.

[0014] According to another aspect of the present invention, a heat exchange system is provided, comprising the above-mentioned microchannel heat exchanger.

[0015] Applying the technical solution of the present invention, the microchannel heat exchanger in the present application includes a microchannel heat exchanger body, a mounting portion and a matching portion. The microchannel heat exchanger body includes a flat tube group and a liquid collecting pipe located on both sides of the flat tube group; the mounting portion is arranged on the flat tube group and extends along the extension direction of the flat tubes of the flat tube group; the matching portion is movably arranged on the mounting portion so that the position of the matching portion in the extension direction of the mounting portion can be adjusted, and the matching portion has a mounting position for installation with the position to be installed.

[0016] When using the microchannel heat exchanger with the above structure, since the mounting portion is arranged on the flat tube group of the microchannel heat exchanger body, and the matching portion is movably arranged on the mounting portion, during the installation of the microchannel heat exchanger and the whole machine, the assembly error can be reduced by adjusting the relative position of the matching portion and the mounting portion, thereby effectively solving the problem of difficult installation of the microchannel heat exchanger. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings constituting a part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0018] Figure 1 A schematic diagram showing the positional relationship between the microchannel heat exchanger body and the mounting portion of the microchannel heat exchanger in the present application is shown;

[0019] Figure 2 The schematic diagram of the structure of the microchannel heat exchanger in the present application is shown;

[0020] Figure 3 A schematic diagram showing the positional relationship between the fixing member and the mounting frame of the microchannel heat exchanger in the present application is shown;

[0021] Figure 4 A schematic structural diagram of a matching part of a microchannel heat exchanger in a specific embodiment of the present application is shown;

[0022] Figure 5 Shows Figure 4 A schematic structural diagram of the mounting portion of the microchannel heat exchanger of the embodiment;

[0023] Figure 6 A schematic structural diagram of a matching part of a microchannel heat exchanger in another specific embodiment of the present application is shown;

[0024] Figure 7 Shows Figure 6 A schematic structural diagram of the mounting portion of the microchannel heat exchanger of the embodiment;

[0025] Figure 8 A schematic diagram showing the structure of a raised portion of a mating portion of a microchannel heat exchanger in another specific embodiment of the present application is shown;

[0026] Fig. 9 A schematic structural diagram of a raised portion of a mating portion of a microchannel heat exchanger in another specific embodiment of the present application is shown.

[0027] The above drawings include the following reference numerals:

[0028] 10. Microchannel heat exchanger body; 11. Flat tube group; 12. Liquid collecting pipe; 20. Mounting part; 21. Slide rail groove; 22. Limiting plate; 30. Matching part; 31. Mounting position; 32. Raised part; 40. Fixing piece; 50. Mounting frame. DETAILED DESCRIPTION

[0029] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0030] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0031] In the present invention, unless otherwise specified, the directional words used, such as "up, down, top, bottom", usually refer to the directions shown in the drawings, or to the components themselves in the vertical, perpendicular or gravity directions; similarly, for ease of understanding and description, "inside and outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directional words are not used to limit the present invention.

[0032] In order to solve the problem of difficult installation of microchannel heat exchangers in the prior art, the present application provides a microchannel heat exchanger and a heat exchange system.

[0033] It should be noted that the heat exchange system in the present application includes the following microchannel heat exchanger.

[0034] like Figures 1 to 3 As shown, the microchannel heat exchanger in the present application includes a microchannel heat exchanger body 10, a mounting portion 20 and a matching portion 30. The microchannel heat exchanger body 10 includes a flat tube group 11 and a liquid collecting pipe 12 located on both sides of the flat tube group 11; the mounting portion 20 is arranged on the flat tube group 11 and extends along the extension direction of the flat tubes of the flat tube group 11; the matching portion 30 is movably arranged on the mounting portion 20 so that the position of the matching portion 30 in the extension direction of the mounting portion 20 can be adjusted, and the matching portion 30 has a mounting position 31 for mounting with the position to be installed.

[0035] When using the microchannel heat exchanger with the above structure, since the mounting portion 20 is arranged on the flat tube group 11 of the microchannel heat exchanger body 10, and the matching portion 30 is movably arranged on the mounting portion 20, during the installation of the microchannel heat exchanger and the whole machine, the assembly error can be reduced by adjusting the relative position of the matching portion 30 and the mounting portion 20, thereby effectively solving the problem of difficult installation of the microchannel heat exchanger.

[0036] Specifically, there are multiple mounting portions 20, the flat tube group 11 includes multiple flat tubes arranged in sequence along the length direction of the collecting tube 12, and at least one mounting portion 20 is provided on the two flat tubes located at both ends, and there are multiple matching portions 30, and each mounting portion 20 is provided with at least one matching portion 30.

[0037] It should be pointed out that in a specific embodiment of the present application, a mounting portion 20 is provided on each of the two flat tubes at both ends, and the length of the mounting portion 20 is approximately equal to the length of the flat tube, thereby ensuring that the matching portion 30 can be adjusted in the length direction of the mounting portion 20, thereby ensuring that the microchannel heat exchanger can be installed more flexibly.

[0038] Of course, in addition to the above-mentioned embodiments, a plurality of mounting portions 20 may be provided on the same flat tube, the plurality of mounting portions 20 are arranged at intervals, and at least one matching portion 30 is provided on each mounting portion 20 .

[0039] Specifically, the mounting portion 20 has a rail groove 21, and at least a portion of the matching portion 30 extends to the notch of the rail groove 21 to form a protrusion 32, the protrusion 32 has a mounting position 31, and the portion of the matching portion 30 located in the rail groove 21 stops at the notch to prevent the matching portion 30 from falling. By such a configuration, not only can the matching portion 30 be ensured to change its relative position with the mounting portion 20 by sliding on the rail groove 21, but also the matching portion 30 can be limited by providing the protrusion 32, and the matching portion 30 can be prevented from falling off the rail groove 21.

[0040] Optionally, the notch of the slide rail slot 21 is in a contracted shape.

[0041] Specifically, the mounting portion 20 includes two limit plates 22 that are arranged opposite to each other, and the ends of the two limit plates 22 that are away from the flat tube group 11 are close to each other to form a slide rail groove 21 therebetween, and the ends of the two limit plates 22 that are away from the flat tube group 11 are close to each other to form an open gap, and the mounting position 31 is exposed at the open gap.

[0042] In the present application, the mounting portion 20 and the matching portion 30 are mainly matched in a mortise and tenon manner, so that the matching portion 30 can slide relative to the mounting portion 20 while preventing the matching portion 30 from falling off the mounting portion 20 .

[0043] like Figure 4 and Figure 5 As shown, in a specific embodiment of the present application, the cross-section of the portion of the matching portion 30 located inside the slide rail groove 21 is trapezoidal, while the cross-section of the protrusion 32 is rectangular and connected to the upper side of the trapezoid.

[0044] like Figure 6 and Figure 7 As shown, in another specific embodiment of the present application, the portion of the matching portion 30 located inside the slide rail groove 21 and the protrusion 32 are both cylindrical, but the diameter of the protrusion 32 is smaller than the diameter of the portion of the matching portion 30 located inside the slide rail groove 21.

[0045] Specifically, the microchannel heat exchanger also has a fixing member 40, which is connected to the installation position 31 to fix the microchannel heat exchanger body 10 at the installation position. In the actual installation process, the position of the matching portion 30 relative to the installation portion 20 can be adjusted to ensure that the fixing member 40 can be more easily connected to the installation position 31.

[0046] In a specific embodiment of the present application, the fixing member 40 is a bolt, and the mounting position 31 is a threaded hole that cooperates with the bolt.

[0047] In another specific embodiment of the present application, the fixing member 40 is a nut, the mounting position 31 is a threaded column disposed on the mating portion 30, and at least a portion of the threaded column extends from the mounting portion 20, and the nut is sleeved on the threaded column.

[0048] like Figure 8 and Fig. 9 As shown, they are schematic diagrams of the structures of the matching parts 30 in two different embodiments, but the installation positions 31 of the matching parts 30 of the two different structures are the same.

[0049] Optionally, the mounting portion 20 is welded to the microchannel heat exchanger body 10. By such an arrangement, the stability of the connection between the mounting portion 20 and the microchannel heat exchanger body 10 can be effectively ensured. Moreover, by such an arrangement, it can also be ensured that the mounting portion 20 can bear the weight of the microchannel heat exchanger body 10.

[0050] Optionally, the position of the slide rail groove 21 corresponds to the position of the avoidance hole on the client installation frame 50 .

[0051] From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:

[0052] 1. Reduce the installation gap between the microchannel heat exchanger and the whole machine;

[0053] 2. Effectively improve the installation efficiency of microchannel heat exchanger;

[0054] 3. Simple structure and easy to operate.

[0055] Obviously, the above-described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0056] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0057] It should be noted that the terms "first", "second", etc. 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 sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0058] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A microchannel heat exchanger, characterized in that: include: A microchannel heat exchanger body (10), the microchannel heat exchanger body (10) comprising a flat tube group (11) and liquid collecting pipes (12) located on both sides of the flat tube group (11); A mounting portion (20), the mounting portion (20) being arranged on the flat tube group (11) and extending along an extension direction of the flat tubes of the flat tube group (11); a matching portion (30), the matching portion (30) being movably arranged on the mounting portion (20) so that the position of the matching portion (30) in the extension direction of the mounting portion (20) is adjustable, and the matching portion (30) has a mounting position (31) for mounting at a position to be mounted; There are a plurality of mounting portions (20), the flat tube group (11) comprises a plurality of flat tubes arranged in sequence along the length direction of the liquid collecting tube (12), and at least one mounting portion (20) is provided on each of the two flat tubes located at both ends, there are a plurality of matching portions (30), and at least one matching portion (30) is provided on each of the mounting portions (20), or a plurality of mounting portions (20) are provided on the same flat tube, the plurality of mounting portions (20) are arranged at intervals, and at least one matching portion (30) is provided on each of the mounting portions (20); The mounting portion (20) has a slide rail groove (21), and at least a portion of the matching portion (30) extends to the notch of the slide rail groove (21) to form a protruding portion (32), the protruding portion (32) has the mounting position (31), and a portion of the matching portion (30) located in the slide rail groove (21) is stopped by the notch to prevent the matching portion (30) from falling off; The microchannel heat exchanger further comprises a fixing member (40), wherein the fixing member (40) is connected to the installation position (31) so as to fix the microchannel heat exchanger body (10) at the position to be installed.

2. The microchannel heat exchanger according to claim 1, characterized in that: The notch of the slide rail groove (21) is in a contracted shape.

3. The microchannel heat exchanger according to claim 1, characterized in that: The mounting portion (20) comprises two limiting plates (22) arranged opposite to each other, and the ends of the two limiting plates (22) away from the flat tube group (11) are close to each other to form a slide rail groove (21) therebetween, and the ends of the two limiting plates (22) away from the flat tube group (11) are close to each other to form an open slit, and the mounting position (31) is exposed at the open slit.

4. The microchannel heat exchanger according to claim 1, characterized in that: The fixing member (40) is a bolt, and the mounting position (31) is a threaded hole that matches the bolt; or The fixing member (40) is a nut, the mounting position (31) is a threaded column arranged on the matching portion (30), at least a portion of the threaded column extends out from the mounting portion (20), and the nut is sleeved on the threaded column.

5. The microchannel heat exchanger according to any one of claims 1 to 4, characterized in that: The mounting portion (20) is welded to the microchannel heat exchanger body (10).

6. The microchannel heat exchanger according to claim 1, characterized in that: The position of the slide rail groove (21) corresponds to the position of the avoidance hole on the client installation frame (50).

7. A heat exchange system, characterized in that: A microchannel heat exchanger comprising any one of claims 1 to 6.

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