Heat exchanger fin arrangement structure

Abstract

The utility model provides a heat exchanger fin arrangement structure which comprises heat conduction plates and a fin assembly, the fin assembly is arranged between the two heat conduction plates, the fin assembly comprises a plurality of fin units distributed at equal intervals, each fin unit comprises a first vertical section, a second vertical section, a third vertical section and two inclined sections, and the first vertical section is connected with the second vertical section. The two inclined sections are located between the first vertical section and the second vertical section and between the second vertical section and the third vertical section respectively. The fin units are arranged between the two heat conduction plates at equal intervals, and the first medium channel, the second medium channel, the third medium channel and the fourth medium channel are arranged in each fin unit and used for medium circulation, so that the heat dissipation effect is improved, and the heat dissipation efficiency is improved. And a plurality of conduction fins are arranged on the inner wall of the fourth medium channel at equal intervals, so that the flowing speed of the medium in the fourth medium channel is increased, and the heat dissipation efficiency of the medium to the heat conduction plate is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchanger technical field, concretely is a heat exchanger fin arrangement structure. BACKGROUND

[0002] IGBT module is the core device of energy conversion and transmission, commonly known as the CPU of power electronic device, and is widely applied in the fields of rail transit, smart grid, aerospace, electric vehicle and new energy equipment, etc.

[0003] The fin type radiator provided in the publication No. "CN214177859U" comprises a bottom plate and a heat dissipation assembly connected to the bottom plate, and the heat dissipation assembly comprises fins and heat conduction plates alternately stacked in a direction perpendicular to the bottom plate. The fins comprise a plurality of longitudinal plate portions arranged in sequence; a medium channel for cooling medium to flow through is arranged between adjacent longitudinal plate portions; the upper edge portion of the longitudinal plate portion and the upper edge portion of one of the adjacent longitudinal plate portions are connected through an upper plate portion; and the lower edge portion of the longitudinal plate portion and the lower edge portion of the other adjacent longitudinal plate portion are connected through a lower plate portion. The device can improve the heat dissipation performance and heat dissipation effect, and meet the heat dissipation demand of the IGBT module.

[0004] However, the above-mentioned scheme still has the following defects:

[0005] Since the lower plate portion is directly attached to the heat conduction plate, when the medium passes through the medium channel, the thickness of the lower plate portion will affect the heat dissipation process of the medium to the heat conduction plate to some extent, and the misaligned medium channel will reduce the flow rate of the medium in the medium channel, thereby further affecting the heat dissipation process. CONTENT OF THE UTILITY MODEL

[0006] The utility model aims at providing a heat exchanger fin arrangement structure to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0008] The utility model provides a heat exchanger fin arrangement structure, including heat conduction board and fin assembly, the fin assembly sets up between two heat conduction boards, the fin assembly includes a plurality of equidistance distribution fin unit, the fin unit includes first vertical section, second vertical section, third vertical section and two inclined sections, two the inclined section is located between first vertical section and second vertical section and between second vertical section and third vertical section respectively, one end of first vertical section and third vertical section is fixedly installed on the surface of two heat conduction boards, forms first medium channel between first vertical section and bottom heat conduction board, the inside of second vertical section is provided with second medium channel, the inside of two inclined sections is provided with third medium channel, forms fourth medium channel between third vertical section and top heat conduction board.

[0009] Preferably, two said inclined sections are provided with two mutually parallel support partitions, and the support partitions are perpendicular to the inner wall of the third medium channel.

[0010] Preferably, one side of the two mutually parallel support partitions is provided with a groove, and a plurality of conduction fins are equidistantly fixed inside the groove.

[0011] Preferably, the cross section of the conduction fin is triangular, and a spacing portion is provided between two adjacent conduction fins.

[0012] Preferably, the heat conduction plate is a copper plate.

[0013] Preferably, the fin unit and the heat conduction plate are connected by welding, and the first vertical section, the second vertical section, the third vertical section and the inclined section are connected by welding.

[0014] Preferably, the plurality of fin units are oriented in the same direction.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] The utility model equidistantly arranges a plurality of fin units between two heat conduction plates, and for each fin unit, a first medium channel, a second medium channel, a third medium channel and a fourth medium channel are arranged inside for the flow of medium, so as to improve the heat dissipation effect, and a plurality of conduction fins are equidistantly arranged on the inner wall of the fourth medium channel, which increases the flow speed of the medium inside the fourth medium channel, thereby increasing the heat dissipation efficiency of the medium on the heat conduction plate. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the main body structure schematic drawing of the utility model;

[0018] Figure 2 It is the main body structure schematic drawing of the fin assembly of the utility model;

[0019] Figure 3 It is the main body structure schematic view of the fin unit of the utility model;

[0020] Figure 4 It is the internal structure schematic view of the fin unit of the utility model.

[0021] In the drawing: 1, heat-conducting plate; 2, fin assembly; 3, fin unit; 4, first vertical section; 5, second vertical section; 6, third vertical section; 7, inclined section; 8, first medium passage; 9, second medium passage; 10, third medium passage; 11, fourth medium passage; 12, support partition; 13, groove; 14, conduction fin; 15, spacing part. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figure 1-4 The utility model provides a kind of technical scheme: a heat exchanger fin arrangement structure, including heat-conducting plate 1 and fin assembly 2, fin assembly 2 is arranged between two heat-conducting plates 1, fin assembly 2 includes multiple equidistant distribution fin units 3, the direction of multiple fin units 3 is same, fin unit 3 includes first vertical section 4, second vertical section 5, third vertical section 6 and two inclined sections 7, two inclined sections 7 are located between first vertical section 4 and second vertical section 5 and between second vertical section 5 and third vertical section 6 respectively, one end of first vertical section 4 and third vertical section 6 is fixedly installed on the surface of two heat-conducting plates 1 respectively, first vertical section 4 and the bottom heat-conducting plate 1 form first medium passage 8, the inside of second vertical section 5 is provided with second medium passage 9, the inside of two inclined sections 7 is provided with third medium passage 10, third vertical section 6 and the top heat-conducting plate 1 form fourth medium passage 11.

[0024] Please refer to Figure 1 、 Figure 2 And Figure 3, medium can flow in the first medium channel 8, the second medium channel 9, the third medium channel 10 and the fourth medium channel 11, the setting of the first medium channel 8, the second medium channel 9, the third medium channel 10 and the fourth medium channel 11 can increase the contact area between the medium and the fin unit 3, thereby improving the heat dissipation effect, and through the setting of the two inclined sections 7, the second vertical section 5 can be arranged staggered with the first vertical section 4 and the third vertical section 6, so that the fin unit 3 as a whole can present a structure of bending in the middle, thereby increasing the contact area between the medium and the outer surface of the fin unit 3 when the medium passes between two adjacent fin units 3, further improving the heat dissipation effect.

[0025] Two inclined sections 7 are provided with two mutually parallel support partitions 12, the support partitions 12 are perpendicular to the inner wall of the third medium channel 10, one side of the two mutually parallel support partitions 12 is provided with a groove 13, a plurality of conduction fins 14 are fixedly arranged in the groove 13 at equal intervals, the cross section of the conduction fin 14 is triangular, and a spacing part 15 is arranged between adjacent two conduction fins 14.

[0026] Please refer to Figure 4 When the medium passes on the surface of the support partition 12, it is in contact with the conduction fin 14, and the setting of the conduction fin 14 and the spacing part 15 increases the contact area between the medium and the support partition 12, thereby achieving better heat dissipation performance.

[0027] The heat conduction plate 1 is a copper plate, the fin unit 3 is connected with the heat conduction plate 1 by welding, and the first vertical section 4, the second vertical section 5 and the third vertical section 6 are connected with the inclined section 7 by welding, and in this embodiment, the heat conduction plate 1 and the fin unit 3 are both arranged as copper plates.

[0028] Structure principle: a plurality of fin units 3 are arranged at equal intervals between two heat conduction plates 1, for each fin unit 3, a first medium channel 8, a second medium channel 9, a third medium channel 10 and a fourth medium channel 11 are arranged inside for the flow of medium, so as to improve the heat dissipation effect, and a plurality of conduction fins 14 are arranged at equal intervals on the inner wall of the fourth medium channel 11, which increases the flow speed of the medium inside the fourth medium channel 11, thereby increasing the heat dissipation efficiency of the medium to the heat conduction plate 1.

[0029] The above specific embodiments further illustrate the technical problems, technical solutions and beneficial effects solved by the present application, and it should be understood that the above are only specific embodiments of the present application and are not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

[0030] In the description of the utility model, it is understood that the terms indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0031] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, can be fixedly connected, can also be detachably connected, or integrated; can be mechanically connected, can also be electrically connected; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication between two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0032] In the description of the utility model, it should be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship when the utility model product is usually placed, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only used for distinguishing description, and cannot be understood as indicating or implying relative importance.

[0033] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

Claims

1. A heat exchanger fin arrangement structure, comprising a heat-conducting plate (1) and a fin assembly (2), characterized in that: The fin assembly (2) is arranged between two heat-conducting plates (1), the fin assembly (2) comprises a plurality of equidistantly distributed fin units (3), the fin unit (3) comprises a first vertical section (4), a second vertical section (5), a third vertical section (6) and two inclined sections (7), the two inclined sections (7) are respectively arranged between the first vertical section (4) and the second vertical section (5) and between the second vertical section (5) and the third vertical section (6), one end of the first vertical section (4) and the third vertical section (6) is fixedly installed on the surface of the two heat-conducting plates (1), the first vertical section (4) and the bottom heat-conducting plate (1) form a first medium channel (8), the second vertical section (5) is internally provided with a second medium channel (9), the two inclined sections (7) are internally provided with a third medium channel (10), and the third vertical section (6) and the top heat-conducting plate (1) form a fourth medium channel (11).

2. The heat exchanger fin arrangement of claim 1, wherein: Two mutually parallel support partitions (12) are arranged in the two inclined sections (7), and the support partitions (12) are perpendicular to the inner wall of the third medium channel (10).

3. The heat exchanger fin arrangement of claim 2, wherein: One side of the two mutually parallel support partitions (12) is provided with a groove (13), and a plurality of conduction fins (14) are equidistantly fixedly arranged in the groove (13).

4. The heat exchanger fin arrangement of claim 3, wherein: The cross section of the conduction fin (14) is triangular, and a spacing portion (15) is arranged between adjacent two conduction fins (14).

5. The heat exchanger fin arrangement of claim 1, wherein: The heat-conducting plate (1) is a copper plate.

6. The heat exchanger fin arrangement of claim 1, wherein: The fin unit (3) and the heat-conducting plate (1) are connected by welding, and the first vertical section (4), the second vertical section (5) and the third vertical section (6) and the inclined section (7) are connected by welding.

7. The heat exchanger fin arrangement of claim 1, wherein: The plurality of fin units (3) are in the same direction.

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