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CN113035514A - Full-immersion evaporative cooling transformer heat dissipation structure - Google Patents

Full-immersion evaporative cooling transformer heat dissipation structure Download PDF

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Publication number
CN113035514A
CN113035514A CN202110444416.2A CN202110444416A CN113035514A CN 113035514 A CN113035514 A CN 113035514A CN 202110444416 A CN202110444416 A CN 202110444416A CN 113035514 A CN113035514 A CN 113035514A
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CN
China
Prior art keywords
heat dissipation
elastic pressing
pressing plate
evaporative cooling
dissipation structure
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CN202110444416.2A
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Chinese (zh)
Inventor
蔡新华
熊斌
刘响荣
石华林
郭志奇
徐金桂
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Golden Triangle Electric Power Technology Co ltd
Institute of Electrical Engineering of CAS
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Golden Triangle Electric Power Technology Co ltd
Institute of Electrical Engineering of CAS
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Application filed by Golden Triangle Electric Power Technology Co ltd, Institute of Electrical Engineering of CAS filed Critical Golden Triangle Electric Power Technology Co ltd
Priority to CN202110444416.2A priority Critical patent/CN113035514A/en
Publication of CN113035514A publication Critical patent/CN113035514A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/08Cooling; Ventilating
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/08Cooling; Ventilating
    • H01F27/10Liquid cooling
    • H01F27/12Oil cooling
    • H01F27/14Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Housings And Mounting Of Transformers (AREA)

Abstract

本发明提供一种全浸式蒸发冷却变压器散热结构,包括:箱体、弹性压板组件和散热件,装配时,先将弹性压板组件固定安装于箱体外壁上,再将散热件的安装板从一侧插入至弹性压板组件与箱体外壁之间,安装板在弹性压板组件的弹性作用力下与箱体装配,与现有技术采用焊接的方式相比,这样采用插接的方式拆装更加快捷方便,提高了生产效率,且仅需一个人即可完成上述装配工序,降低了用工成本;另外,由于弹性压板组件、散热件与变压器箱体可以分开包装运输,这样占用空间小,降低了运输成本。

Figure 202110444416

The invention provides a heat dissipation structure of a fully immersed evaporative cooling transformer, comprising: a box body, an elastic pressure plate assembly and a heat sink. During assembly, the elastic pressure plate assembly is first fixedly installed on the outer wall of the box, and then the mounting plate of the heat sink is installed from the outer wall of the box. One side is inserted between the elastic pressing plate assembly and the outer wall of the box, and the mounting plate is assembled with the box body under the elastic force of the elastic pressing plate assembly. It is fast and convenient, improves production efficiency, and only one person can complete the above assembly process, reducing labor costs; in addition, since the elastic platen assembly, heat sink and transformer box can be packaged and transported separately, it takes up less space and reduces the cost of transportation cost.

Figure 202110444416

Description

Full-immersion evaporative cooling transformer heat dissipation structure
Technical Field
The invention relates to the technical field of transformers, in particular to a full-immersion evaporative cooling transformer heat dissipation structure.
Background
The heat dissipation problem is always a key technology of the transformer, the traditional oil-immersed transformer generally adopts mineral oil as an insulating and cooling medium, but the viscosity is high, the heat conduction performance is insufficient, the flash point is low, the transformer cannot be used in occasions with high requirements on fire prevention and explosion prevention, and the environment-friendly requirements cannot be met due to the difficulty in degradation
In order to solve the problem, people can be through welding the polylith on transformer tank outer wall and be the interval setting, and the heating panel that extends outwards, and the inside heat of transformer passes through on the oil tank wall transmits the heating panel, realizes the cooling to the transformer. The gap between two adjacent heat dissipation plates is small, so that a welding tool cannot extend into the space between the two heat dissipation plates for welding, the welding difficulty is high, two persons are required to cooperate during welding, one person places the heat dissipation plates on the outer wall of the oil tank, the heat dissipation plates are kept in a state of being perpendicular to the outer wall of the tank body, and the other person welds the heat dissipation plates on the outer wall of the oil tank, so that the welding efficiency is low, and the labor cost is increased; in addition, the heat dissipation plate is installed on the transformer before leaving the factory, so that the overall volume of the transformer is increased, the occupied space is large, and the logistics cost is increased.
Disclosure of Invention
Therefore, the invention aims to overcome the defects of low welding efficiency and high logistics cost caused by the welding mode adopted by the heat dissipation plate in the prior art, and provides the heat dissipation structure of the fully-immersed evaporative cooling transformer with high assembly efficiency.
Therefore, the invention provides a heat dissipation structure of a full-immersion evaporative cooling transformer, which comprises a box body, elastic pressure plate components and heat dissipation parts, wherein a plurality of groups of elastic pressure plate components are detachably arranged on the outer wall of the box body; the heat dissipation device comprises a plurality of heat dissipation pieces, a mounting plate and a heat dissipation plate, wherein the mounting plate and the heat dissipation plate are connected in a bending mode, the mounting plate is suitable for being inserted into the space between the elastic pressing plate assembly and the outer wall of the box body, the elastic pressing plate assembly is assembled with the box body under the elastic acting force of the elastic pressing plate assembly, and the heat dissipation plate faces the outside of the box body.
The heat dissipation pieces are two, and the mounting plates of the two heat dissipation pieces are correspondingly inserted from two sides of the elastic pressing plate assembly in the width direction.
The elastic pressing plate assembly comprises an elastic pressing plate and a plurality of fastening assemblies, the fastening assemblies are arranged at intervals along the length direction of the elastic pressing plate and are suitable for assembling the elastic pressing plate with the box body.
And the front end of the elastic pressing plate along the insertion direction of the mounting plate is provided with a chamfer.
The cross section of the elastic pressing plate is a rectangular frame.
The fastening assembly comprises a bolt and a nut, the head of one side of the bolt abuts against the elastic pressure plate, and the screw rod of the other side of the bolt penetrates through the first through hole of the elastic pressure plate and then is in threaded connection with the nut.
The nut is welded on the outer wall of the box body.
And a second through hole matched with the shape of the nut is formed in the side surface of the elastic pressing plate facing the outer wall of the box body, and the thickness of the elastic pressing plate is larger than that of the nut.
And a plurality of nut half holes matched with the shapes of the corresponding nuts are formed in the mounting plate.
The heat dissipation piece is internally sealed with phase change materials or water.
The technical scheme of the invention has the following advantages:
1. the invention provides a heat dissipation structure of a full-immersion evaporative cooling transformer, which comprises a box body, an elastic pressure plate assembly and a heat dissipation piece, wherein during assembly, the elastic pressure plate assembly is fixedly arranged on the outer wall of the box body, and then a mounting plate of the heat dissipation piece is inserted between the elastic pressure plate assembly and the outer wall of the box body from one side; in addition, the elastic pressing plate assembly, the heat radiating piece and the transformer box body can be separately packaged and transported, so that the occupied space is small, and the transportation cost is reduced.
2. According to the fully-immersed evaporative cooling transformer heat dissipation structure provided by the invention, the number of the heat dissipation parts is two, the mounting plates of the two heat dissipation parts are correspondingly inserted from the two sides of the width direction of the elastic pressing plate assembly respectively, namely, one group of the elastic pressing plate assemblies can be provided with the two heat dissipation parts, so that the assembly efficiency is improved, the number of the elastic pressing plate assemblies can be saved and the cost is reduced under the condition that the heat dissipation parts with the same number as the heat dissipation parts in the prior art are mounted.
3. According to the fully-immersed evaporative cooling transformer heat dissipation structure, the elastic pressing plate is provided with the chamfer angle at the front end along the insertion direction of the mounting plate, so that the mounting plate can be conveniently inserted along the chamfer angle in a guiding manner, and the assembly efficiency is improved.
4. According to the fully-immersed evaporative cooling transformer heat dissipation structure, the nut is welded on the outer wall of the box body, so that compared with a mode that the oil leakage of an oil tank is possibly caused by punching holes in the box body, the safety and reliability are higher.
5. According to the heat dissipation structure of the full-immersion evaporative cooling transformer, the second through hole matched with the shape of the nut is formed in the side face, facing the outer wall of the box body, of the elastic pressing plate, and the thickness of the elastic pressing plate is larger than that of the nut, so that a small gap can be ensured between the elastic pressing plate and the outer wall of the box body for the installation plate of the heat dissipation part to be inserted.
6. According to the fully-immersed evaporative cooling transformer heat dissipation structure, the mounting plate is provided with the plurality of nut half holes matched with the corresponding nuts in shape, so that the nuts welded on the outer wall of the box body have a certain limiting effect on the mounting plate and are assembled more firmly, and the parts of the outer wall of the box body except the nuts are attached to the mounting plate, so that the contact area between the outer wall of the box body and a heat dissipation piece is increased, and quick heat dissipation is facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a perspective view of a heat dissipation structure of a fully-immersed evaporative cooling transformer of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a front view of FIG. 1;
FIG. 4 is an assembled perspective view of the elastic platen assembly and two heat sinks;
FIG. 5 is a right side view of FIG. 4;
FIG. 6 is a top view of FIG. 4;
fig. 7 is a partially enlarged schematic view of fig. 6.
Description of reference numerals: 1. a box body; 2. a heat sink; 21. mounting a plate; 22. a heat dissipation plate; 3. an elastic pressure plate; 30. chamfering; 31. a first perforation; 32. a second perforation; 4. a bolt; 5. and a nut.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Examples
The present embodiment provides a heat dissipation structure of a fully-immersed evaporative cooling transformer, as shown in fig. 1 to 3, including a box 1, an elastic pressing plate assembly and a heat dissipation member 2.
The cross section of the box body 1 is triangular.
The elastic pressing plate assemblies are provided with a plurality of groups, and are detachably distributed on the outer wall of the box body 1 at intervals. The resilient platen assembly includes a resilient platen 3 and a plurality of fastening assemblies.
The elastic pressing plate 3, as shown in fig. 6 and 7, is provided with a chamfer 30 at the front end along the insertion direction of the mounting plate 21, and the cross section of the elastic pressing plate 3 is a rectangular frame, so that the elastic pressing plate has certain elasticity. The side of the elastic pressing plate 3 facing the outer wall of the box body 1 is formed with a second through hole 32, and the other side is formed with a first through hole 31. In this embodiment, the elastic pressing plate 3 is a metal frame, such as iron, steel, aluminum alloy, or the like.
And the fastening components are arranged at intervals along the length direction of the elastic pressing plate 3 (namely the height direction of the outer wall of the transformer box body 1) and are suitable for assembling the elastic pressing plate 3 with the box body 1. As shown in fig. 6 and 7, the fastening assembly includes a bolt 4 and a nut 5, a head of one side of the bolt 4 abuts against the elastic pressing plate 3, and a screw of the other side of the bolt passes through the first through hole 31 of the elastic pressing plate 3 and then is in threaded connection with the nut 5. In this embodiment, the nut 5 is welded to the outer wall of the box body 1, the shape of the second through hole 32 is matched with that of the nut 5, and the thickness of the elastic pressing plate 3 is greater than that of the nut 5.
A plurality of radiating pieces 2, as shown in fig. 4-7, have integrative bending connection, be the mounting panel 21 and the heating panel 22 of L shape, mounting panel 21 is suitable for insert to the elastic pressure plate subassembly with between the box 1 outer wall, and under the elastic force of elastic pressure plate subassembly with the assembly of box 1, the shaping has a plurality ofly and corresponds on the mounting panel 21 the nut half-hole of 5 appearance adaptations of nut, heating panel 22 orientation the box 1 extends outward. The number of the heat dissipation elements 2 is two, and the mounting plates 21 of the two heat dissipation elements 2 are inserted from two sides of the elastic pressing plate component in the width direction correspondingly. In this embodiment, the heat sink 2 is made of an aluminum material, and may be solid or hollow, and a phase change material or water is encapsulated therein, and the phase change material may be fluorocarbon or other evaporative cooling media.
As an alternative embodiment, the mounting plate 21 may also be adhered to the outer wall of the box 1 by a metal adhesive.
As a convertible embodiment, the shape of the case 1 may be a cylinder, an equilateral polygon or a scalene polygon, and the transformer core structure may be a planar laminated core, a three-dimensional wound core, or the like.
In this embodiment, the transformer may be a single-phase transformer or a three-phase transformer.
The invention provides a heat dissipation structure of a full-immersion evaporative cooling transformer, which comprises a box body 1, an elastic pressure plate assembly and a heat dissipation part 2, wherein during assembly, the elastic pressure plate assembly is fixedly arranged on the outer wall 1 of the box body, then an installation plate 21 of the heat dissipation part 2 is inserted between the elastic pressure plate assembly and the outer wall of the box body 1 from one side, and the installation plate 21 is assembled with the box body 1 under the elastic acting force of the elastic pressure plate assembly; in addition, the elastic pressing plate assembly, the heat radiating piece 2 and the transformer box body 1 can be packaged and transported separately, so that the occupied space is small, and the transportation cost is reduced.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims (10)

1.一种全浸式蒸发冷却变压器散热结构,其特征在于,包括:1. A fully immersed evaporative cooling transformer heat dissipation structure is characterized in that, comprising: 箱体(1);Box (1); 多组弹性压板组件,可拆卸地安装于所述箱体(1)外壁上;Multiple sets of elastic pressing plate assemblies are detachably mounted on the outer wall of the box body (1); 多个散热件(2),具有弯折连接的安装板(21)和散热板(22),所述安装板(21)适于插入至所述弹性压板组件与所述箱体(1)外壁之间,且在所述弹性压板组件的弹性作用力下与所述箱体(1)装配,所述散热板(22)朝向所述箱体(1)外延伸。A plurality of heat sinks (2), having a mounting plate (21) and a heat dissipation plate (22) connected by bending, the mounting plate (21) is suitable for being inserted into the elastic pressing plate assembly and the outer wall of the box body (1) and assembled with the box body (1) under the elastic force of the elastic pressing plate assembly, and the heat dissipation plate (22) extends toward the outside of the box body (1). 2.根据权利要求1所述的全浸式蒸发冷却变压器散热结构,其特征在于,所述散热件(2)有两个,两个所述散热件(2)的所述安装板(21)分别从所述弹性压板组件宽度方向的两侧对应插入。2 . The heat dissipation structure of a fully immersed evaporative cooling transformer according to claim 1 , wherein there are two heat dissipation members ( 2 ), and the mounting plates ( 21 ) of the two heat dissipation members ( 2 ). 3 . Correspondingly inserted from both sides of the elastic pressing plate assembly in the width direction. 3.根据权利要求1或2所述的全浸式蒸发冷却变压器散热结构,其特征在于,所述弹性压板组件包括:3. The heat dissipation structure of a fully immersed evaporative cooling transformer according to claim 1 or 2, wherein the elastic pressing plate assembly comprises: 弹性压板(3);elastic pressure plate (3); 多个紧固组件,沿所述弹性压板(3)的长度方向间隔设置,适于将所述弹性压板(3)与所述箱体(1)装配。A plurality of fastening components are arranged at intervals along the length direction of the elastic pressing plate (3), and are suitable for assembling the elastic pressing plate (3) with the box body (1). 4.根据权利要求3所述的全浸式蒸发冷却变压器散热结构,其特征在于,所述弹性压板(3)沿所述安装板(21)插入方向的前端设有倒角(30)。4 . The heat dissipation structure of a fully immersed evaporative cooling transformer according to claim 3 , wherein the front end of the elastic pressing plate ( 3 ) along the insertion direction of the mounting plate ( 21 ) is provided with a chamfer ( 30 ). 5 . 5.根据权利要求4所述的全浸式蒸发冷却变压器散热结构,其特征在于,所述弹性压板(3)的横截面为矩形框。5 . The heat dissipation structure of a fully immersed evaporative cooling transformer according to claim 4 , wherein the cross section of the elastic pressing plate ( 3 ) is a rectangular frame. 6 . 6.根据权利要求3所述的全浸式蒸发冷却变压器散热结构,其特征在于,所述紧固组件包括螺栓(4)和螺母(5),所述螺栓(4)一侧的头部与所述弹性压板(3)相抵,且其另一侧的螺杆穿过所述弹性压板(3)的第一穿孔(31)后,与所述螺母(5)螺纹连接。6. The heat dissipation structure of a fully immersed evaporative cooling transformer according to claim 3, wherein the fastening component comprises a bolt (4) and a nut (5), and the head on one side of the bolt (4) is connected to the The elastic pressing plates (3) are abutted against each other, and the screw rods on the other side thereof pass through the first through holes (31) of the elastic pressing plates (3), and then are threadedly connected with the nut (5). 7.根据权利要求6所述的全浸式蒸发冷却变压器散热结构,其特征在于,所述螺母(5)焊接于所述箱体(1)的外壁上。7 . The heat dissipation structure of a fully immersed evaporative cooling transformer according to claim 6 , wherein the nut ( 5 ) is welded on the outer wall of the box body ( 1 ). 8 . 8.根据权利要求7所述的全浸式蒸发冷却变压器散热结构,其特征在于,所述弹性压板(3)朝向所述箱体(1)外壁的侧面上成型有与所述螺母(5)外形适配的第二穿孔(32),且所述弹性压板(3)的厚度大于所述螺母(5)的厚度。8. The heat dissipation structure of a fully immersed evaporative cooling transformer according to claim 7, characterized in that, a side surface of the elastic pressing plate (3) facing the outer wall of the box (1) is formed with the nut (5) A second through hole (32) with an adapted shape, and the thickness of the elastic pressing plate (3) is greater than the thickness of the nut (5). 9.根据权利要求7或8所述的全浸式蒸发冷却变压器散热结构,其特征在于,所述安装板(21)上成型有多个与对应所述螺母(5)外形适配的螺母半孔。9. The heat dissipation structure of a fully immersed evaporative cooling transformer according to claim 7 or 8, characterized in that, a plurality of nut halves adapted to the shape of the corresponding nut (5) are formed on the mounting plate (21). hole. 10.根据权利要求1所述的全浸式蒸发冷却变压器散热结构,其特征在于,所述散热件(2)内封装有相变材料或水。10 . The heat dissipation structure of a fully immersed evaporative cooling transformer according to claim 1 , wherein the heat dissipation member ( 2 ) is encapsulated with a phase change material or water. 11 .
CN202110444416.2A 2021-04-23 2021-04-23 Full-immersion evaporative cooling transformer heat dissipation structure Pending CN113035514A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006294952A (en) * 2005-04-13 2006-10-26 Matsushita Electric Ind Co Ltd Electronic component heat sink
CN106369567A (en) * 2016-11-03 2017-02-01 苏州佳亿达电器有限公司 LED heat dissipation device high in stability and reliability
CN207556341U (en) * 2017-12-08 2018-06-29 宁波欧普电器有限公司 A kind of connection structure for the cooling fin and aluminium sheet for applying to ice cream maker
CN212209161U (en) * 2020-07-15 2020-12-22 河北亿强电力设备有限公司 Energy-saving amorphous alloy transformer
CN214377925U (en) * 2021-04-23 2021-10-08 金三角电力科技股份有限公司 Full-immersion evaporative cooling transformer heat dissipation structure

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006294952A (en) * 2005-04-13 2006-10-26 Matsushita Electric Ind Co Ltd Electronic component heat sink
CN106369567A (en) * 2016-11-03 2017-02-01 苏州佳亿达电器有限公司 LED heat dissipation device high in stability and reliability
CN207556341U (en) * 2017-12-08 2018-06-29 宁波欧普电器有限公司 A kind of connection structure for the cooling fin and aluminium sheet for applying to ice cream maker
CN212209161U (en) * 2020-07-15 2020-12-22 河北亿强电力设备有限公司 Energy-saving amorphous alloy transformer
CN214377925U (en) * 2021-04-23 2021-10-08 金三角电力科技股份有限公司 Full-immersion evaporative cooling transformer heat dissipation structure

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