Coil box structure and air-cooled unit

By designing a combination of a rectangular heat sink and an inverted trapezoidal fan box, the problem of insufficient heat dissipation under high heat in the new compressor was solved, achieving a more efficient heat dissipation effect and structural stability.

CN224681331UActive Publication Date: 2026-08-25TRANE AIR CONDITIONING SYST (CHINA) CO LTD
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Patent Information

Application Number
CN202521940307.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-09
Publication Date
2026-08-25
Estimated Expiration
2035-09-09

AI Technical Summary

Technical Problem

The existing V-coil design is insufficient in heat dissipation capacity to meet the higher heat demands of the new compressor, and cannot meet the high-efficiency operation requirements of the new compressor.

Method used

The design incorporates rectangular heat sinks arranged side-by-side, combined with inverted trapezoidal fan boxes, to increase the heat dissipation area and spacing. Multiple condenser coil arrangements are employed to improve heat dissipation efficiency, and a triangular support structure enhances structural stability.

Benefits of technology

It improves the heat dissipation area and structural stability, increases the heat dissipation efficiency of the air-cooled unit, and meets the high-efficiency operation requirements of the new compressor.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application provides a coil box structure and an air-cooled unit. The coil box structure comprises a plurality of coil boxes arranged side by side, each coil box comprising a heat dissipation box and a fan box, the heat dissipation box being rectangular and comprising a top surface, a bottom surface and four side surfaces, and at least part of the bottom surface and the four side surfaces being provided with condensing coils. The fan box is arranged above the top surface and has an inverted trapezoidal structure and is arranged outwardly protruding relative to the heat dissipation box. The heat dissipation box is arranged in a rectangular shape to increase the heat exchange area of the heat dissipation box. Meanwhile, the fan box is designed to have a structure of being wide at the top and narrow at the bottom, so as to increase the spacing space between adjacent coil boxes and ensure that the air inlet of the heat dissipation box is not affected.
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Description

Technical Field

[0001] This application relates to the field of air-cooled unit technology, and in particular to a coil box structure and an air-cooled unit. Background Technology

[0002] In today's industrial and commercial sectors, air-cooled units are widely used in various scenarios due to their efficient and convenient heat dissipation characteristics. The currently adopted V-shaped coil design has demonstrated excellent performance in past heat dissipation practices due to its unique structure.

[0003] However, with continuous technological innovation, the release of new compressors has brought higher performance indicators and operational requirements to air-cooled units. While improving cooling efficiency, the new compressors also generate significantly more heat, making the original V-coil insufficient in heat dissipation.

[0004] Therefore, it is necessary to design a coil box structure and an air-cooled unit to solve the above-mentioned technical problems. Utility Model Content

[0005] This application provides a coil box structure and an air-cooled unit, which can improve the heat dissipation efficiency of the coil box structure.

[0006] According to a first aspect of the embodiments of this specification, a coil box structure is provided, including a plurality of coil boxes arranged in parallel. Each coil box includes a heat dissipation box and a fan box. The heat dissipation box is rectangular and includes a top surface, a bottom surface and four sides. At least a portion of the bottom surface and the four sides are provided with condensing coils. The fan box is disposed above the top surface and has an inverted trapezoidal structure and protrudes outward relative to the heat dissipation box.

[0007] Furthermore, condenser coils are arranged on the bottom surface and the four sides.

[0008] Furthermore, the heat dissipation box includes three condensation coils, two of which are C-shaped coils and the other is a flat coil; the two C-shaped coils are arranged symmetrically about the center of the flat coil on the upper surface of the flat coil.

[0009] Furthermore, the heat dissipation box includes three condenser coils, two of which are L-shaped coils and the other is a flat coil; the two L-shaped coils are arranged on the upper surface of the flat coil and are symmetrically arranged about the center of the coil box.

[0010] Furthermore, the heat dissipation box includes two condensation coils, one of which is a U-shaped coil and the other is an L-shaped coil; the U-shaped coil forms an opening facing three directions, and the L-shaped coil is located at two adjacent openings.

[0011] Furthermore, the heat dissipation box includes two condensing coils, both of which are planar coils. One of the planar coils forms a square structure along its outer edge, and there is a gap between adjacent sides of the square structure.

[0012] Furthermore, the fan box has a top surface, a bottom surface, and four sides. Two opposite sides of the fan box are trapezoidal, and two opposite sides are rectangular.

[0013] Furthermore, the angle between the side and the bottom of the trapezoid is θ, where θ is between 30° and 60°; the distance between two adjacent heat sinks is a, where a is between 200mm and 350mm.

[0014] Furthermore, it also includes an upper mounting plate fixed to the top of the fan box and a lower mounting plate fixed to the bottom of the fan box, wherein the side of the upper mounting plate is flush with the side of the top of the fan box; and the side of the lower mounting plate is flush with the side of the top of the heat sink.

[0015] According to a second aspect of the embodiments of this specification, an air-cooled unit is provided, including a fan and the coil box structure described in the first aspect; the fan is arranged on the fan box.

[0016] The air-cooled unit also includes a base, a main support rod, and a secondary support rod; the main support rod, the secondary support rod, and the base form a support structure with a triangular cross-section, and the coil box structure is fixed on the main support rod.

[0017] This application has the following beneficial effects: By setting the heat exchange box to a rectangle, the heat exchange area of ​​the heat exchange box is increased. At the same time, the fan box is designed with a structure that is wider at the top and narrower at the bottom, which increases the spacing between adjacent coil boxes, so that the air intake of the heat exchange box is not affected.

[0018] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and are not intended to limit this specification. Attached Figure Description

[0019] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this specification and, together with the description, serve to explain the principles of this specification.

[0020] Figure 1 This is a schematic diagram of the structure of an air-cooled unit according to an exemplary embodiment;

[0021] Figure 2 This is a front view of a two-coil box structure according to an exemplary embodiment;

[0022] Figure 3This is an exploded view of a heat sink according to an exemplary embodiment;

[0023] Figure 4 This is an exploded view of another heat sink according to an exemplary embodiment;

[0024] Figure 5 This is an exploded view of another heat sink according to an exemplary embodiment;

[0025] Figure 6 This is an exploded view of another heat sink according to an exemplary embodiment;

[0026] Figure 7 This is a front view of a coil box structure shown according to an exemplary embodiment;

[0027] Figure 8 This is a perspective view of a coil box structure according to an exemplary embodiment.

[0028] Explanation of reference numerals in the attached figures:

[0029] 100 - Fan; 200 - Coil box; 300 - Base; 400 - Main support rod; 500 - Secondary support rod;

[0030] 10-Heat sink; 11-Top surface; 12-Bottom surface; 13-Side surface;

[0031] 20-Fan box; 21-Top surface; 22-Bottom surface; 23-Side surface; 24-Upper mounting plate; 25-Lower mounting plate. Detailed Implementation

[0032] The technical solutions in the embodiments (or "implementations") of this application will be clearly and completely described herein with reference to the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements.

[0033] If the embodiments of this application contain terms relating to directional indications or positional relationships (such as up, down, left, right, front, back, inside, outside, top, bottom, center, vertical, horizontal, longitudinal, transverse, length, width, counterclockwise, clockwise, axial, radial, circumferential, etc.), such terms are only used to explain the relative positional relationships and movements between components in a specific posture (as shown in the attached figures); if the specific posture changes, the directional indications or positional relationships will also change accordingly. Furthermore, the terms "first" and "second" used in the embodiments of this application are only for descriptive convenience and should not be construed as indicating or implying relative importance.

[0034] The embodiments described in this specification will now be described in detail.

[0035] Reference Figure 1 and Figure 2 As shown, this application discloses a coil box structure, which includes multiple coil boxes 200 arranged in parallel. Each coil box 200 includes a heat sink 10 and a fan box 20, with the fan box 20 positioned above the top surface 11. When hot air flows over the surface of the heat sink 10, it exchanges heat with the heat sink 10, and then the air processed by the heat sink 10 is discharged from the fan box 20 located above, thereby achieving cooling.

[0036] Please refer to the reference again. Figures 3 to 6 As shown, the heat sink 10 is rectangular and includes a top surface 11, a bottom surface 12, and four side surfaces 13. In this embodiment, condenser coils (not shown in the figure) are arranged on the bottom surface 12 and the four side surfaces 13, increasing the heat exchange area of ​​the heat sink 10. Of course, the number of condenser coils can also be selectively arranged on any of the bottom surface 12 and the four side surfaces 13 to achieve a better heat exchange effect.

[0037] This application illustrates four configurations of the heat sink 10, including but not limited to these, and no specific limitation is made herein.

[0038] In one embodiment, such as Figure 3 As shown, the heat sink 10 includes three condenser coils, two of which are C-shaped coils and the other is a flat coil. The two C-shaped coils are arranged symmetrically about the center of the flat coil on the upper surface of the flat coil. In this way, the two C-shaped coils improve the material versatility of the heat sink 10, and the arc-shaped structure of the C-shaped coils can fit well against the three sides of the flat coil, ensuring the stability of the connection between the two.

[0039] In another embodiment, refer to Figure 4 As shown, the heat sink 10 includes three condenser coils, two of which are L-shaped coils and the other is a flat coil. The two L-shaped coils are arranged on the upper surface of the flat coil and are symmetrically positioned about the center of the coil housing 200. In this way, the two L-shaped coils improve the material versatility of the heat sink 10, and each L-shaped coil can fit well against the flat coil in two directions, ensuring a stable connection between the two.

[0040] In another embodiment, refer to Figure 5 As shown, the heat sink 10 includes two condenser coils, one of which is a U-shaped coil and the other is an L-shaped coil. The U-shaped coil forms openings facing three directions, and the L-shaped coil is positioned at two adjacent openings. In this way, the U-shaped coil and the L-shaped coil can be fixedly connected from at least two directions, improving the structural stability of the heat sink 10.

[0041] In another embodiment, refer to Figure 6As shown, the heat sink 10 includes two condenser coils, both of which are flat coils. One of the flat coils forms a square structure along its outer edge, with gaps between adjacent sides of the square structure. This allows it to be formed directly by bending a single flat condenser coil, reducing the number of components used to construct the heat sink 10 and lowering manufacturing costs.

[0042] It should be noted that in the circumferential direction of the above four structures, the heat sink 10 is not completely closed. The unclosed part can be fixed by itself or synchronously fixed with other parts through connecting parts such as angle iron. No specific restrictions are made here.

[0043] The fan box 20 has an inverted trapezoidal structure and protrudes outward relative to the heat sink 10. As a result, two adjacent coil box structures abut against each other through the fan box 20, creating a gap between adjacent heat sinks 10. The air intake of the heat sink 10 is not affected, thus increasing the heat dissipation area.

[0044] Please refer to the reference again. Figure 7 and Figure 8 As shown, the fan box 20 has a top surface 21, a bottom surface 22, and four sides 23. Two opposite sides 23 of the fan box 20 are trapezoidal, and two opposite sides 23 are rectangular. In this embodiment, the two opposite sides 23 are isosceles trapezoids, so that when multiple fan boxes are arranged adjacently, the distance between two adjacent heat dissipation boxes 10 is the same.

[0045] The angle between the side and the lower base of the trapezoid is θ, which is between 30° and 60°. In some embodiments, θ is 30°, 35°, 39°, 50° or 60°, etc., and there is no specific limitation here.

[0046] like Figure 1 As shown, the distance between two adjacent heat sinks 10 is 'a', which is between 200mm and 350mm. In some embodiments, 'a' is 200mm, 250mm, 300mm, or 350mm, etc., and there is no specific limitation here.

[0047] like Figure 7 In the embodiment shown, the height of the coil box structure is 1441.7 mm, the angle θ is 39°, and a is 300 mm. At this time, the bottom surface 12 and the four sides 13 of the rectangular heat sink 10 are all equipped with condensing coils. The total heat exchange area is about 6.22 m2, which is about 24% higher than the heat exchange area of ​​4.92 m2 of the V-shaped coil box structure of the same height.

[0048] The coil box structure also includes an upper mounting plate 24 fixed to the top of the fan box 20 and a lower mounting plate 25 fixed to the bottom of the fan box 20. The side of the upper mounting plate 24 is flush with the side of the top of the fan box 20 23.

[0049] The side of the lower mounting plate 25 is flush with the top side 13 of the heat sink 10. In this way, the heat sink 10 and the fan housing 20 are connected in a straight line, which strengthens the connection between the heat sink 10 and the fan housing 20.

[0050] This application increases the heat exchange area of ​​the heat sink 10 by making it rectangular. At the same time, the fan box 20 is designed with a structure that is wider at the top and narrower at the bottom, which increases the spacing between adjacent coil boxes, so that the air intake of the heat sink 10 is not affected.

[0051] This application also discloses an air-cooled unit, which includes a fan 100 and a coil housing structure. The fan 100 is arranged on a fan housing 20. Specifically, in this embodiment, the fan 100 is fixed above the fan housing 20 by an upper mounting plate 24.

[0052] The air-cooled unit also includes a base 300, a main support rod 400, and a secondary support rod 500. The main support rod 400, the secondary support rod 500, and the base 300 form a support structure with a triangular cross-section, and the coil box structure is fixed on the main support rod 400.

[0053] The main weight and load of components such as the heat sink 10 and fan housing 20 are concentrated and fixed on the main support rod 400. These loads are efficiently distributed and transferred through a triangular structure. Part of the load is borne vertically downward by the base 300, while the other part is supported by the secondary support rod 500 in the form of inclined support to provide reverse resistance. Ultimately, all forces are safely transferred to the base, effectively avoiding stress concentration and improving the structural strength of the air-cooled unit.

[0054] It should be noted that the technical solutions or features described in the above embodiments can be combined or supplemented with each other without conflict. The scope of protection of this application is not limited to the precise structures described in the above embodiments and shown in the accompanying drawings; all modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of protection of this application.

Claims

1. A coil box structure, characterized in that, The device includes multiple coil boxes arranged in parallel. Each coil box includes a heat dissipation box and a fan box. The heat dissipation box is rectangular and includes a top surface, a bottom surface, and four sides. At least a portion of the bottom surface and the four sides are provided with condensing coils. The fan box is located above the top surface and has an inverted trapezoidal structure that protrudes outward relative to the heat dissipation box.

2. The coil box structure according to claim 1, characterized in that, The bottom surface and the four sides are all equipped with condenser coils.

3. The coil box structure according to claim 1, characterized in that, The heat sink includes three condenser coils, two of which are C-shaped coils and the other is a flat coil; the two C-shaped coils are arranged symmetrically about the center of the flat coil on the upper surface of the flat coil.

4. The coil box structure according to claim 1, characterized in that, The heat dissipation box includes three condenser coils, two of which are L-shaped coils and the other is a flat coil; the two L-shaped coils are arranged on the upper surface of the flat coil and are symmetrical about the center of the coil box.

5. The coil box structure according to claim 1, characterized in that, The heat sink includes two condenser coils, one of which is a U-shaped coil and the other is an L-shaped coil; the U-shaped coil forms openings facing three directions, and the L-shaped coil is located at two adjacent openings.

6. The coil box structure according to claim 1, characterized in that, The heat sink includes two condenser coils, both of which are planar coils. One of the planar coils forms a square structure along its outer edge, and there is a gap between adjacent sides of the square structure.

7. The coil box structure according to claim 1, characterized in that, The fan box has a top surface, a bottom surface, and four sides. Two opposite sides of the fan box are trapezoidal, and two opposite sides are rectangular.

8. The coil box structure according to claim 1, characterized in that, The angle between the side and the bottom of the trapezoid is θ, which is between 30° and 60°; the distance between two adjacent heat sinks is a, which is between 200mm and 350mm.

9. The coil box structure according to claim 1, characterized in that, It also includes an upper mounting plate fixed to the top of the fan box and a lower mounting plate fixed to the bottom of the fan box. The side of the upper mounting plate is flush with the side of the top of the fan box; the side of the lower mounting plate is flush with the side of the top of the heat sink.

10. An air-cooled unit, characterized in that, Includes a fan and a coil box structure according to any one of claims 1-9; the fan is arranged on the fan box; The air-cooled unit also includes a base, a main support rod, and a secondary support rod; the main support rod, the secondary support rod, and the base form a support structure with a triangular cross-section, and the coil box structure is fixed on the main support rod.