WO2023010713A1 - Temperature-compensation-type air-cooled oil cooler - Google Patents

Temperature-compensation-type air-cooled oil cooler Download PDF

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Publication number
WO2023010713A1
WO2023010713A1 PCT/CN2021/132099 CN2021132099W WO2023010713A1 WO 2023010713 A1 WO2023010713 A1 WO 2023010713A1 CN 2021132099 W CN2021132099 W CN 2021132099W WO 2023010713 A1 WO2023010713 A1 WO 2023010713A1
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WIPO (PCT)
Prior art keywords
oil
fan
elliptical
temperature
box
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PCT/CN2021/132099
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French (fr)
Chinese (zh)
Inventor
王电辉
黎贤钛
王捷
俞天翔
朱灵灿
龚智旭
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浙江尔格科技股份有限公司
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Publication of WO2023010713A1 publication Critical patent/WO2023010713A1/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/08—Cooling; Ventilating
    • H01F27/085—Cooling by ambient air
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/08—Cooling; Ventilating
    • H01F27/10—Liquid cooling
    • H01F27/12—Oil cooling
    • H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling

Definitions

  • the invention relates to cooler technology, in particular to a temperature-compensated oil-air cooler.
  • the present invention provides a temperature-compensated oil-air cooler, which can dissipate heat and cool the transformer, and has the advantages of compact structure and high heat dissipation efficiency.
  • the operation of the cooler is automatically temperature compensated to improve the reliability of the cooler.
  • a temperature-compensated oil-air cooler comprising a fan panel, a fan cover is installed on the fan panel, and a fan is installed in the fan cover; side plates are respectively installed on both sides of the fan panel to form heat exchange area; the heat exchange area is provided with a heat exchange core assembly; the heat exchange core assembly includes elliptical finned tubes arranged in groups, and the two ends of the elliptical finned tubes are respectively connected to the floating oil inlet pipe box and the fixed outlet The oil pipe box is connected; the floating oil inlet pipe box is provided with bolts along the axial direction of the elliptical fin tube, and the bolts cooperate with the flanging on the side plate through a sliding pair to form a floating connection structure; the fixed oil outlet pipe box Fixed connection with the side panel.
  • the principle of the cooler provided by this technical solution is to use the fan to drive the wind through the surface of the elliptical fin tube to transfer the heat of the transformer oil in the fin tube to the air; when the transformer oil flows into the elliptical fin tube from the floating oil inlet box, The hot oil in the tube reaches the outer surface of the tube through thermal conduction, and the heat is transferred to the air by the cold air brought by the fan, and the cooled transformer oil in the elliptical fin tube is brought back to the transformer circuit by external force , and reheating, and so on and on; the cooler of the present invention has the advantages of compact results and high heat dissipation efficiency; the floating oil inlet pipe box is connected with the side plate through bolts, and the floating oil inlet pipe box, bolts and side plates form a floating structure together.
  • the floating oil inlet box connected to the elliptical fin tube can move along the axial direction of the elliptical fin tube, thereby realizing temperature compensation and avoiding the The risk of fracture between the fin tube and the tube box improves the reliability of the cooler.
  • the cross-section of the elliptical finned tube is elliptical, and the surface of the elliptical finned tube is provided with mutually stacked fins.
  • the elliptical setting can reduce wind resistance, speed up the gas flow, and improve the heat dissipation efficiency; the fins distributed on the surface of the elliptical finned tube can conduct the heat emitted by the tube body, thereby further enhancing cooling efficiency.
  • a set of crossbeams are arranged between the side plates installed on both sides of the fan panel, and the elliptical finned tubes are installed between the crossbeams.
  • the beams support the elliptical finned tubes and enhance the stability of the side panels.
  • the floating oil inlet box includes an oil inlet pipe and an oil inlet box, the panel on one side of the oil inlet box is connected to the oil inlet pipe, and the panel on the other side is provided with The through hole A, the elliptical fin tube is connected to the through hole A by welding; the oil inlet box is provided with bolts along the axial direction of the elliptical fin tube.
  • the elliptical finned tube communicates with the oil inlet box through the through hole A, and the end of the elliptical finned tube is directly inserted into the oil inlet box, which simplifies the oil circulation structure and makes the cooler more compact.
  • the fixed oil outlet pipe box includes an oil outlet pipe and an oil outlet box, the panel on one side of the oil outlet box is connected to the oil outlet pipe, and the panel on the other side is provided with A through hole B, the elliptical fin tube is connected to the through hole B by welding.
  • the elliptical finned tube communicates with the oil outlet box through the through hole B, and the end of the elliptical finned tube is directly inserted into the oil outlet box, which simplifies the oil circulation structure and makes the cooler more compact.
  • the fan includes a motor, the motor is connected to the blades, and the motor is fixed in the fan casing through a fixing frame; the fan casing arranged on the fan panel and the number of fans, corresponding to the length of the elliptical finned tube.
  • the motor is fixed in the fan casing through the fixing frame, which simplifies the structure of the fan; at the same time, the number of fans is set according to the length of the elliptical fin tube, which can reduce the production cost under the premise of ensuring the heat dissipation efficiency.
  • the elliptical fin tube is provided with a windshield, and the windshield is correspondingly located between two adjacent fans.
  • the windshield divides the elliptical fin tube into different areas, ensuring that different fans can dissipate heat in their respective areas stably and effectively.
  • the fan panel is provided with a terminal box.
  • the fan panel is provided with a terminal box, which facilitates the wiring of the fan and also makes the structure of the cooler more compact.
  • Fig. 1 is the front view of a kind of temperature compensation type oil air cooler of the present invention
  • Fig. 2 is a schematic structural diagram of Fig. 1 after the side plate is removed;
  • Fig. 3 is a top view of a temperature-compensated oil-air cooler of the present invention.
  • Fig. 4 is A-A sectional view of Fig. 1;
  • Fig. 5 is an enlarged view at circle C in Fig. 4;
  • Fig. 6 is an enlarged view at circle B in Fig. 1;
  • Fig. 7 is a structural schematic diagram of the floating oil inlet pipe box
  • Fig. 8 is a structural schematic diagram of a fixed oil outlet pipe box
  • the marks in the drawings are: 1-fan panel; 2-fan casing; 3-fan, 301-motor, 302-blade, 303-fixed frame; 4-side plate; 5-beam; 6-elliptical fin tube ;7-floating oil inlet pipe box, 701-oil inlet pipe, 702-oil inlet box body, 702A-through hole A; 8-fixed oil outlet pipe box, 801-oil outlet pipe, 802-oil outlet box body, 802A-through hole B; 9 - bolts; 10 - windshield; 11 - terminal box.
  • a temperature-compensated oil-air cooler includes a fan panel 1 on which a fan housing 2 is installed, and a fan 3 is installed in the fan housing 2; the fan panel Side plates 4 are respectively installed on both sides of 1 to form a heat exchange area; a heat exchange core assembly is arranged in the heat exchange area; the heat exchange core assembly includes elliptical fin tubes 6 arranged in groups, and Both ends of the sheet tube 6 are respectively connected with the floating oil inlet box 7 and the fixed oil outlet box 8; the floating oil inlet box 7 is provided with bolts 9 along the axial direction of the elliptical fin tube 6, and the bolts are connected with the side plate 4 The flange on the top is matched by a sliding pair to form a floating connection structure; the fixed oil outlet box 8 is fixedly connected to the side plate 4 .
  • the transformer oil flows from the oil inlet pipe 701 into the oil inlet box 702, and then flows from the oil inlet box 702 into the elliptical finned tube 6, and the elliptical finned tube 6
  • the hot oil reaches the outer surface of the tube through thermal conduction, and the heat is transferred to the air by the cold air brought by the fan 3, and the cooled transformer oil in the elliptical finned tube 6 is brought back to the transformer by external force In the loop, and reheating, and so on, so as to achieve the cooling of the transformer oil.
  • the cross section of the elliptical finned tube 6 is elliptical, and the surface of the elliptical finned tube 6 is provided with mutually stacked fins.
  • the elliptical setting can reduce wind resistance, speed up the gas flow, and improve the heat dissipation efficiency; the fins distributed on the surface of the elliptical finned tube 6 can conduct the heat emitted by the tube body, thereby further Enhance cooling efficiency.
  • a group of beams 5 are arranged between the side plates 4 installed on both sides of the fan panel 1 , and the elliptical finned tubes 6 are installed between the beams 5 .
  • the beam 5 can support the elliptical fin tube 6 and can strengthen the stability of the side plate 4 .
  • the floating oil inlet box 7 includes an oil inlet pipe 701 and an oil inlet box body 702.
  • the panel on one side of the oil inlet box body 702 is connected to the oil inlet pipe 701, and the panel on the other side is provided with a through hole A702A.
  • the elliptical fins The tube 6 is connected to the through hole A702A by welding; the bolt 9 is arranged along the axial direction of the elliptical finned tube 6 .
  • the elliptical fin tube 6 communicates with the oil inlet tank 702 through the through hole A702A, and the end of the elliptical fin tube 6 is directly inserted into the oil tank 702, which simplifies the oil circulation structure and makes the cooler more compact.
  • the fixed oil outlet pipe box 8 includes an oil outlet pipe 801 and an oil outlet box body 802.
  • the panel on one side of the oil outlet box body 802 is connected to the oil outlet pipe 801, and the panel on the other side is provided with a through hole B.
  • the elliptical fins The tube 6 is connected to the through hole B802A by welding.
  • the elliptical finned tube 6 communicates with the oil outlet tank 802 through the through hole B802A, and the end of the elliptical finned tube 6 is directly inserted into the oil outlet tank 802, which simplifies the flow structure of the oil circuit and makes the cooler more compact.
  • the fan 3 includes a motor 301, the motor 301 is connected to the blade 302, and the motor 301 is fixed in the fan casing 2 by a fixing frame 303; the number of the fan casing 2 and the fan 3 arranged on the fan panel 1 , corresponding to the length of the elliptical fin tube 6 .
  • the motor 301 is fixed in the fan casing 2 through the fixing bracket 303, which simplifies the structure of the fan; meanwhile, setting the number of the fan 3 according to the length of the elliptical fin tube 6 can reduce the production cost while ensuring the cooling efficiency.
  • the elliptical fin tube 6 is provided with a windshield 10 , and the windshield 10 is correspondingly located between two adjacent fans 3 .
  • the windshield 10 divides the elliptical fin tube 6 into different areas, ensuring that different fans can radiate heat to their respective areas stably and effectively.
  • the fan panel 1 is provided with a terminal box 11 .
  • the fan panel 1 is provided with a terminal box 11, which can facilitate the wiring of the fan 3 and also make the structure of the cooler more compact.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transformer Cooling (AREA)

Abstract

A temperature-compensation-type air-cooled oil cooler, comprising a fan panel (1), wherein a fan casing (2) is mounted on the fan panel (1), and a fan (3) is mounted inside the fan casing (2); side plates (4) are respectively mounted on two sides of the fan panel (1) to form a heat exchange area; and a heat exchange core assembly is arranged in the heat exchange area. The cooler is characterized in that the heat exchange core assembly comprises oval fin tubes (6) arranged in groups, wherein two ends of each oval fin tube (6) are respectively connected to a floating oil intake tube box (7) and a fixed oil output tube box (8); bolts (9) are arranged on the floating oil intake tube box (7) in an axial direction of the oval fin tubes (6), and match flanges on the side plates (4) by means of sliding pairs, thereby forming a floating connection structure; and the fixed oil output tube box (8) is fixedly connected to the side plates (4). Provided in the present invention is a temperature-compensation-type air-cooled oil cooler. The cooler can perform heat dissipation and cooling on a transformer, has the advantages of a compact structure and high heat dissipation efficiency, and can automatically perform temperature compensation according to operational conditions of the cooler, thereby improving reliability of the cooler.

Description

一种温度补偿式油风冷却器A temperature-compensated oil-air cooler 技术领域technical field
本发明涉及冷却器技术，具体涉及一种温度补偿式油风冷却器。The invention relates to cooler technology, in particular to a temperature-compensated oil-air cooler.
背景技术Background technique
随着我国国民经济的快速发展，对电力的需求量也就越来越大，为满足生产和生活的需要，国家增建了大量的高压直流和核电站升压输变线网，超高压和特高压输变线网，这就需要安装特大型变压器，而特大型变压器运行需要高安全性、高性能和高可靠的环境温度来保证，因此变压器油的散热问题就是必需要解决的一大技术难题。高散热效率的冷却器能够保证设备长期、正常、稳定的运行，但这也要求冷却器具有很高的可靠性。冷却器投入使用后，由于变压器油温较高，翼片管会发生明显的热胀，这导致翼片管与管箱之间的焊缝存在断裂的风险。对于给特大型变压器配套的冷却器，有必要针对上述风险，展开专项研究，消除因翼片管热胀因素对冷却器的稳定运行造成的影响，提高冷却器的可靠性。With the rapid development of my country's national economy, the demand for electricity is also increasing. In order to meet the needs of production and life, the country has built a large number of high-voltage direct current and nuclear power plant step-up transmission and transformation network, ultra-high voltage and special High-voltage transmission and transformation network, which requires the installation of super-large transformers, and the operation of super-large transformers requires high safety, high performance and high reliable ambient temperature to ensure that the heat dissipation of transformer oil is a major technical problem that must be solved . A cooler with high heat dissipation efficiency can ensure long-term, normal and stable operation of the equipment, but this also requires the cooler to have high reliability. After the cooler is put into use, due to the high temperature of the transformer oil, the finned tube will undergo obvious thermal expansion, which leads to the risk of fracture of the weld between the finned tube and the tube box. For the coolers for extra-large transformers, it is necessary to carry out special research on the above risks to eliminate the influence of fin tube thermal expansion on the stable operation of the coolers and improve the reliability of the coolers.
技术问题technical problem
针对现有技术中存在的上述问题，本发明提供了一种温度补偿式油风冷却器，该油风冷却器能够对变压器进行散热冷却，且具有结构紧凑、散热效率高的优点，并能根据冷却器的运行情况自动进行温度补偿，提高冷却器的可靠性。Aiming at the above-mentioned problems in the prior art, the present invention provides a temperature-compensated oil-air cooler, which can dissipate heat and cool the transformer, and has the advantages of compact structure and high heat dissipation efficiency. The operation of the cooler is automatically temperature compensated to improve the reliability of the cooler.
技术解决方案technical solution
一种温度补偿式油风冷却器，包括风机面板，所述风机面板上安装有风机罩壳，所述风机罩壳中安装有风机；所述风机面板的两侧分别安装有侧板，形成热交换区域；所述热交换区域内设有换热芯体组件；所述换热芯体组件包括成组设置的椭圆翼片管，椭圆翼片管的两端分别与浮动进油管箱和固定出油管箱连接；所述浮动进油管箱上沿椭圆翼片管的轴向设有螺栓，所述螺栓与侧板上的翻边通过滑动副配合，从而形成浮动连接结构；所述固定出油管箱与侧板固定连接。A temperature-compensated oil-air cooler, comprising a fan panel, a fan cover is installed on the fan panel, and a fan is installed in the fan cover; side plates are respectively installed on both sides of the fan panel to form heat exchange area; the heat exchange area is provided with a heat exchange core assembly; the heat exchange core assembly includes elliptical finned tubes arranged in groups, and the two ends of the elliptical finned tubes are respectively connected to the floating oil inlet pipe box and the fixed outlet The oil pipe box is connected; the floating oil inlet pipe box is provided with bolts along the axial direction of the elliptical fin tube, and the bolts cooperate with the flanging on the side plate through a sliding pair to form a floating connection structure; the fixed oil outlet pipe box Fixed connection with the side panel.
有益效果Beneficial effect
本技术方案提供的冷却器原理是使用风机驱使风通过椭圆翼片管的表面,来把翼片管道内变压器油的热量转移到空气中；变压器油自浮动进油管箱流入椭圆翼片管内时,管内的热油经热力传导到达管的外表面，通过风机带来的冷空气把热量转移到空气中，而椭圆翼片管内的冷却后的变压器油，通过外力又被重新带回到变压器回路中，并再加热，如此循环往复；本发明的冷却器具有结果紧凑、散热效率高的优点；浮动进油管箱通过螺栓与侧板相连，浮动进油管箱、螺栓以及侧板共同形成可浮动结构，当椭圆翼片管因热胀而在轴向产生尺寸变化时，与椭圆翼片管相连的浮动进油管箱，可以沿椭圆翼片管的轴向方向上移动，从而实现温度补偿，避免了翼片管与管箱之间的断裂风险，提高了冷却器的可靠性。The principle of the cooler provided by this technical solution is to use the fan to drive the wind through the surface of the elliptical fin tube to transfer the heat of the transformer oil in the fin tube to the air; when the transformer oil flows into the elliptical fin tube from the floating oil inlet box, The hot oil in the tube reaches the outer surface of the tube through thermal conduction, and the heat is transferred to the air by the cold air brought by the fan, and the cooled transformer oil in the elliptical fin tube is brought back to the transformer circuit by external force , and reheating, and so on and on; the cooler of the present invention has the advantages of compact results and high heat dissipation efficiency; the floating oil inlet pipe box is connected with the side plate through bolts, and the floating oil inlet pipe box, bolts and side plates form a floating structure together. When the size of the elliptical fin tube changes in the axial direction due to thermal expansion, the floating oil inlet box connected to the elliptical fin tube can move along the axial direction of the elliptical fin tube, thereby realizing temperature compensation and avoiding the The risk of fracture between the fin tube and the tube box improves the reliability of the cooler.
作为优化，前述的温度补偿式油风冷却器中，所述椭圆翼片管的横截面为椭圆状，所述椭圆翼片管表面设有相互堆叠的翼片。相比于翼片管的横截面为圆形，椭圆形的设置能够降低风阻，加快气体流通，提升散热效率；椭圆翼片管表面分布的翼片，能够传导管体散发的热量，从而进一步增强散热效率。As an optimization, in the aforementioned temperature-compensated oil-air cooler, the cross-section of the elliptical finned tube is elliptical, and the surface of the elliptical finned tube is provided with mutually stacked fins. Compared with the circular cross-section of the finned tube, the elliptical setting can reduce wind resistance, speed up the gas flow, and improve the heat dissipation efficiency; the fins distributed on the surface of the elliptical finned tube can conduct the heat emitted by the tube body, thereby further enhancing cooling efficiency.
作为优化，前述的温度补偿式油风冷却器中，安装于风机面板两侧的侧板之间设有一组横梁，所述椭圆翼片管安装在横梁之间。横梁能够对椭圆翼片管起支撑作用，并能加强侧板的稳定性。As an optimization, in the aforementioned temperature-compensated oil-air cooler, a set of crossbeams are arranged between the side plates installed on both sides of the fan panel, and the elliptical finned tubes are installed between the crossbeams. The beams support the elliptical finned tubes and enhance the stability of the side panels.
作为优化，前述的温度补偿式油风冷却器中，所述浮动进油管箱包括进油管与进油箱体，所述进油箱体一侧的面板与进油管相连，另外一侧的面板上设有通孔A，所述椭圆翼片管通过焊接与通孔A相连；所述进油箱体上沿椭圆翼片管的轴向设有螺栓。椭圆翼片管通过通孔A与进油箱体相连通，椭圆翼片管的末端直接插入进油箱体中，简化了油路流通结构，使得冷却器的结构更加紧凑。As an optimization, in the aforementioned temperature-compensated oil-air cooler, the floating oil inlet box includes an oil inlet pipe and an oil inlet box, the panel on one side of the oil inlet box is connected to the oil inlet pipe, and the panel on the other side is provided with The through hole A, the elliptical fin tube is connected to the through hole A by welding; the oil inlet box is provided with bolts along the axial direction of the elliptical fin tube. The elliptical finned tube communicates with the oil inlet box through the through hole A, and the end of the elliptical finned tube is directly inserted into the oil inlet box, which simplifies the oil circulation structure and makes the cooler more compact.
作为优化，前述的温度补偿式油风冷却器中，所述固定出油管箱包括出油管与出油箱体，所述出油箱体一侧的面板与出油管相连，另外一侧的面板上设有通孔B，所述椭圆翼片管通过焊接与通孔B相连。椭圆翼片管通过通孔B与出油箱体相连通，椭圆翼片管的末端直接插入出油箱体中，简化了油路流通结构，使得冷却器的结构更加紧凑。As an optimization, in the aforementioned temperature-compensated oil-air cooler, the fixed oil outlet pipe box includes an oil outlet pipe and an oil outlet box, the panel on one side of the oil outlet box is connected to the oil outlet pipe, and the panel on the other side is provided with A through hole B, the elliptical fin tube is connected to the through hole B by welding. The elliptical finned tube communicates with the oil outlet box through the through hole B, and the end of the elliptical finned tube is directly inserted into the oil outlet box, which simplifies the oil circulation structure and makes the cooler more compact.
作为优化，前述的温度补偿式油风冷却器中，所述风机包括电机，所述电机与叶片相连，所述电机通过固定架固定在风机罩壳内；所述风机面板上设置的风机罩壳和风机的数量，与椭圆翼片管的长度相对应。电机通过固定架固定在风机罩壳内，简化了风机的结构；同时，根据椭圆翼片管的长度来设置风机的数量，能够在保证散热效率的前提下，降低生产成本。As an optimization, in the aforementioned temperature-compensated oil-air cooler, the fan includes a motor, the motor is connected to the blades, and the motor is fixed in the fan casing through a fixing frame; the fan casing arranged on the fan panel and the number of fans, corresponding to the length of the elliptical finned tube. The motor is fixed in the fan casing through the fixing frame, which simplifies the structure of the fan; at the same time, the number of fans is set according to the length of the elliptical fin tube, which can reduce the production cost under the premise of ensuring the heat dissipation efficiency.
作为优化，前述的温度补偿式油风冷却器中，所述椭圆翼片管上设有挡风板，所述挡风板对应位于相邻两风机之间。挡风板将椭圆翼片管分成不同的区域，保证了不同的风机能够稳定有效地对各自的区域进行散热。As an optimization, in the aforementioned temperature-compensated oil-air cooler, the elliptical fin tube is provided with a windshield, and the windshield is correspondingly located between two adjacent fans. The windshield divides the elliptical fin tube into different areas, ensuring that different fans can dissipate heat in their respective areas stably and effectively.
作为优化，前述的温度补偿式油风冷却器中，所述风机面板上设有端子盒。风机面板上设有端子盒，能够方便风机的接线，同时也使得冷却器的结构更加紧凑。As an optimization, in the aforementioned temperature-compensated oil-air cooler, the fan panel is provided with a terminal box. The fan panel is provided with a terminal box, which facilitates the wiring of the fan and also makes the structure of the cooler more compact.
附图说明Description of drawings
图1为本发明的一种温度补偿式油风冷却器的主视图；Fig. 1 is the front view of a kind of temperature compensation type oil air cooler of the present invention;
图2为图1拆去侧板后的结构示意图；Fig. 2 is a schematic structural diagram of Fig. 1 after the side plate is removed;
图3为本发明的一种温度补偿式油风冷却器的俯视图；Fig. 3 is a top view of a temperature-compensated oil-air cooler of the present invention;
图4为图1的A-A剖视图；Fig. 4 is A-A sectional view of Fig. 1;
图5为图4中圆圈C处的放大视图；Fig. 5 is an enlarged view at circle C in Fig. 4;
图6为图1中圆圈B处的放大视图；Fig. 6 is an enlarged view at circle B in Fig. 1;
图7为浮动进油管箱的结构示意图；Fig. 7 is a structural schematic diagram of the floating oil inlet pipe box;
图8为固定出油管箱的结构示意图；Fig. 8 is a structural schematic diagram of a fixed oil outlet pipe box;
附图中的标记为：1-风机面板；2-风机罩壳；3-风机，301-电机、302-叶片、303-固定架；4-侧板；5-横梁；6-椭圆翼片管；7-浮动进油管箱，701-进油管、702-进油箱体、702A-通孔A；8-固定出油管箱，801-出油管、802-出油箱体、802A-通孔B；9-螺栓；10-挡风板；11-端子盒。The marks in the drawings are: 1-fan panel; 2-fan casing; 3-fan, 301-motor, 302-blade, 303-fixed frame; 4-side plate; 5-beam; 6-elliptical fin tube ;7-floating oil inlet pipe box, 701-oil inlet pipe, 702-oil inlet box body, 702A-through hole A; 8-fixed oil outlet pipe box, 801-oil outlet pipe, 802-oil outlet box body, 802A-through hole B; 9 - bolts; 10 - windshield; 11 - terminal box.
本发明的实施方式Embodiments of the present invention
下面结合附图和具体实施方式（包括实施例）对本发明作进一步的说明，但并不作为对本发明限制的依据。The present invention will be further described below in conjunction with the accompanying drawings and specific implementation methods (including examples), but it is not used as a basis for limiting the present invention.
参见图1-8，一种温度补偿式油风冷却器，包括风机面板1，所述风机面板1上安装有风机罩壳2，所述风机罩壳2中安装有风机3；所述风机面板1的两侧分别安装有侧板4，形成热交换区域；所述热交换区域内设有换热芯体组件；所述换热芯体组件包括成组设置的椭圆翼片管6，椭圆翼片管6的两端分别与浮动进油管箱7和固定出油管箱8连接；所述浮动进油管箱7上沿椭圆翼片管6的轴向设有螺栓9，所述螺栓与侧板4上的翻边通过滑动副配合，从而形成浮动连接结构；所述固定出油管箱8与侧板4固定连接。Referring to Figures 1-8, a temperature-compensated oil-air cooler includes a fan panel 1 on which a fan housing 2 is installed, and a fan 3 is installed in the fan housing 2; the fan panel Side plates 4 are respectively installed on both sides of 1 to form a heat exchange area; a heat exchange core assembly is arranged in the heat exchange area; the heat exchange core assembly includes elliptical fin tubes 6 arranged in groups, and Both ends of the sheet tube 6 are respectively connected with the floating oil inlet box 7 and the fixed oil outlet box 8; the floating oil inlet box 7 is provided with bolts 9 along the axial direction of the elliptical fin tube 6, and the bolts are connected with the side plate 4 The flange on the top is matched by a sliding pair to form a floating connection structure; the fixed oil outlet box 8 is fixedly connected to the side plate 4 .
上述的温度补偿式油风冷却器，在进行冷却的过程中，变压器油从进油管701流入进油箱体702中，再从进油箱体702流入椭圆翼片管6内,椭圆翼片管6内的热油经热力传导到达管的外表面，通过风机3带来的冷空气把热量转移到空气中，而椭圆翼片管6内的冷却后的变压器油，通过外力又被重新带回到变压器回路中，并再加热，如此循环往复，从而实现对变压器油的冷却。In the above-mentioned temperature-compensated oil-air cooler, during the cooling process, the transformer oil flows from the oil inlet pipe 701 into the oil inlet box 702, and then flows from the oil inlet box 702 into the elliptical finned tube 6, and the elliptical finned tube 6 The hot oil reaches the outer surface of the tube through thermal conduction, and the heat is transferred to the air by the cold air brought by the fan 3, and the cooled transformer oil in the elliptical finned tube 6 is brought back to the transformer by external force In the loop, and reheating, and so on, so as to achieve the cooling of the transformer oil.
作为本发明的一个具体实施例参见图1-8：See Fig. 1-8 as a specific embodiment of the present invention:
所述椭圆翼片管6的横截面为椭圆状，所述椭圆翼片管6表面设有相互堆叠的翼片。相比于翼片管的横截面为圆形，椭圆形的设置能够降低风阻，加快气体流通，提升散热效率；椭圆翼片管6表面分布的翼片，能够传导管体散发的热量，从而进一步增强散热效率。The cross section of the elliptical finned tube 6 is elliptical, and the surface of the elliptical finned tube 6 is provided with mutually stacked fins. Compared with the circular cross-section of the finned tube, the elliptical setting can reduce wind resistance, speed up the gas flow, and improve the heat dissipation efficiency; the fins distributed on the surface of the elliptical finned tube 6 can conduct the heat emitted by the tube body, thereby further Enhance cooling efficiency.
安装于风机面板1两侧的侧板4之间设有一组横梁5，所述椭圆翼片管6安装在横梁5之间。横梁5能够对椭圆翼片管6起支撑作用，并能加强侧板4的稳定性。A group of beams 5 are arranged between the side plates 4 installed on both sides of the fan panel 1 , and the elliptical finned tubes 6 are installed between the beams 5 . The beam 5 can support the elliptical fin tube 6 and can strengthen the stability of the side plate 4 .
所述浮动进油管箱7包括进油管701与进油箱体702，所述进油箱体702一侧的面板与进油管701相连，另外一侧的面板上设有通孔A702A，所述椭圆翼片管6通过焊接与通孔A702A相连；上沿椭圆翼片管6的轴向设有螺栓9。椭圆翼片管6通过通孔A702A与进油箱体702相连通，椭圆翼片管6的末端直接插入进油箱体702中，简化了油路流通结构，使得冷却器的结构更加紧凑。The floating oil inlet box 7 includes an oil inlet pipe 701 and an oil inlet box body 702. The panel on one side of the oil inlet box body 702 is connected to the oil inlet pipe 701, and the panel on the other side is provided with a through hole A702A. The elliptical fins The tube 6 is connected to the through hole A702A by welding; the bolt 9 is arranged along the axial direction of the elliptical finned tube 6 . The elliptical fin tube 6 communicates with the oil inlet tank 702 through the through hole A702A, and the end of the elliptical fin tube 6 is directly inserted into the oil tank 702, which simplifies the oil circulation structure and makes the cooler more compact.
所述固定出油管箱8包括出油管801与出油箱体802，所述出油箱体802一侧的面板与出油管801相连，另外一侧的面板上设有通孔B，所述椭圆翼片管6通过焊接与通孔B802A相连。椭圆翼片管6通过通孔B802A与出油箱体802相连通，椭圆翼片管6的末端直接插入出油箱体802中，简化了油路流通结构，使得冷却器的结构更加紧凑。The fixed oil outlet pipe box 8 includes an oil outlet pipe 801 and an oil outlet box body 802. The panel on one side of the oil outlet box body 802 is connected to the oil outlet pipe 801, and the panel on the other side is provided with a through hole B. The elliptical fins The tube 6 is connected to the through hole B802A by welding. The elliptical finned tube 6 communicates with the oil outlet tank 802 through the through hole B802A, and the end of the elliptical finned tube 6 is directly inserted into the oil outlet tank 802, which simplifies the flow structure of the oil circuit and makes the cooler more compact.
所述风机3包括电机301，所述电机301与叶片302相连，所述电机301通过固定架303固定在风机罩壳2内；所述风机面板1上设置的风机罩壳2和风机3的数量，与椭圆翼片管6的长度相对应。电机301通过固定架303固定在风机罩壳2内，简化了风机的结构；同时，根据椭圆翼片管6的长度来设置风机3的数量，能够在保证散热效率的前提下，降低生产成本。The fan 3 includes a motor 301, the motor 301 is connected to the blade 302, and the motor 301 is fixed in the fan casing 2 by a fixing frame 303; the number of the fan casing 2 and the fan 3 arranged on the fan panel 1 , corresponding to the length of the elliptical fin tube 6 . The motor 301 is fixed in the fan casing 2 through the fixing bracket 303, which simplifies the structure of the fan; meanwhile, setting the number of the fan 3 according to the length of the elliptical fin tube 6 can reduce the production cost while ensuring the cooling efficiency.
所述椭圆翼片管6上设有挡风板10，所述挡风板10对应位于相邻两风机3之间。挡风板10将椭圆翼片管6分成不同的区域，保证了不同的风机能够稳定有效地对各自的区域进行散热。The elliptical fin tube 6 is provided with a windshield 10 , and the windshield 10 is correspondingly located between two adjacent fans 3 . The windshield 10 divides the elliptical fin tube 6 into different areas, ensuring that different fans can radiate heat to their respective areas stably and effectively.
所述风机面板1上设有端子盒11。风机面板1上设有端子盒11，能够方便风机3的接线，同时也使得冷却器的结构更加紧凑。The fan panel 1 is provided with a terminal box 11 . The fan panel 1 is provided with a terminal box 11, which can facilitate the wiring of the fan 3 and also make the structure of the cooler more compact.
上述对本申请中涉及的发明的一般性描述和对其具体实施方式的描述不应理解为是对该发明技术方案构成的限制。本领域所属技术人员根据本申请的公开，可以在不违背所涉及的发明构成要素的前提下，对上述一般性描述或/和具体实施方式（包括实施例）中的公开技术特征进行增加、减少或组合，形成属于本申请保护范围之内的其它的技术方案。The above general description of the invention involved in this application and the description of its specific implementation should not be understood as limiting the technical solution of the invention. Based on the disclosure of this application, those skilled in the art can add or subtract the disclosed technical features in the above general description or/and specific implementation methods (including examples) without violating the constituent elements of the invention involved. Or in combination to form other technical solutions within the protection scope of the present application.

Claims (10)

  1. 一种温度补偿式油风冷却器，包括风机面板（1），所述风机面板（1）上安装有风机罩壳（2），所述风机罩壳（2）中安装有风机（3）；所述风机面板（1）的两侧分别安装有侧板（4），形成热交换区域；所述热交换区域内设有换热芯体组件；其特征在于：所述换热芯体组件包括成组设置的椭圆翼片管（6），椭圆翼片管（6）的两端分别与浮动进油管箱（7）和固定出油管箱（8）连接；所述浮动进油管箱（7）上沿椭圆翼片管（6）的轴向设有螺栓（9），所述螺栓（9）与侧板（4）上的翻边通过滑动副配合，从而形成浮动连接结构；所述固定出油管箱（8）与侧板（4）固定连接。A temperature-compensated oil-air cooler, comprising a fan panel (1), a fan case (2) is installed on the fan panel (1), and a fan (3) is installed in the fan case (2); Side plates (4) are respectively installed on both sides of the fan panel (1) to form a heat exchange area; a heat exchange core assembly is arranged in the heat exchange area; it is characterized in that: the heat exchange core assembly includes The elliptical finned tubes (6) arranged in groups, the two ends of the elliptical finned tubes (6) are respectively connected with the floating oil inlet pipe box (7) and the fixed oil outlet pipe box (8); the floating oil inlet pipe box (7) Bolts (9) are provided along the axial direction of the elliptical fin tube (6), and the bolts (9) cooperate with the flanging on the side plate (4) through a sliding pair to form a floating connection structure; the fixed out The oil pipe box (8) is fixedly connected with the side plate (4).
  2. 根据权利要求1所述的温度补偿式油风冷却器，其特征在于：所述椭圆翼片管（6）的横截面为椭圆状，所述椭圆翼片管（6）表面设有相互堆叠的翼片。The temperature-compensated oil-air cooler according to claim 1, characterized in that: the cross-section of the elliptical finned tube (6) is elliptical, and the surface of the elliptical finned tube (6) is provided with mutually stacked fins.
  3. 根据权利要求1所述的温度补偿式油风冷却器，其特征在于：安装于风机面板（1）两侧的侧板（4）之间设有一组横梁（5），所述椭圆翼片管（6）安装在横梁（5）之间。The temperature-compensated oil-air cooler according to claim 1, characterized in that: a group of beams (5) are arranged between the side plates (4) installed on both sides of the fan panel (1), and the elliptical fin tubes (6) Installed between beams (5).
  4. 根据权利要求1所述的温度补偿式油风冷却器，其特征在于：所述浮动进油管箱（7）包括进油管（701）与进油箱体（702），所述进油箱体（702）一侧的面板与进油管（701）相连，另外一侧的面板上设有通孔A（702A），所述椭圆翼片管（6）通过焊接与通孔A（702A）相连。The temperature-compensated oil-air cooler according to claim 1, characterized in that: the floating oil inlet box (7) includes an oil inlet pipe (701) and an oil inlet box (702), and the oil inlet box (702) The panel on one side is connected to the oil inlet pipe (701), and the panel on the other side is provided with a through hole A (702A), and the elliptical finned tube (6) is connected to the through hole A (702A) by welding.
  5. 根据权利要求4所述的温度补偿式油风冷却器，其特征在于：所述进油箱体（702）上沿椭圆翼片管（6）的轴向设有螺栓（9）。The temperature-compensated oil-air cooler according to claim 4, characterized in that: the oil inlet box (702) is provided with bolts (9) along the axial direction of the elliptical fin tube (6).
  6. 根据权利要求1所述的温度补偿式油风冷却器，其特征在于：所述固定出油管箱（8）包括出油管（801）与出油箱体（802），所述出油箱体（802）一侧的面板与出油管（801）相连，另外一侧的面板上设有通孔B（802A），所述椭圆翼片管（6）通过焊接与通孔B（802A）相连。The temperature-compensated oil-air cooler according to claim 1, characterized in that: the fixed oil outlet pipe box (8) includes an oil outlet pipe (801) and an oil outlet box (802), and the oil outlet box (802) The panel on one side is connected to the oil outlet pipe (801), and the panel on the other side is provided with a through hole B (802A), and the elliptical finned tube (6) is connected to the through hole B (802A) by welding.
  7. 根据权利要求1所述的温度补偿式油风冷却器，其特征在于：所述风机（3）包括电机（301），所述电机（301）与叶片（302）相连，所述电机（301）通过固定架（303）固定在风机罩壳（2）内。The temperature-compensated oil-air cooler according to claim 1, characterized in that: the fan (3) includes a motor (301), the motor (301) is connected to the blades (302), and the motor (301) It is fixed in the fan casing (2) through the fixing frame (303).
  8. 根据权利要求7所述的一种温度补偿式油风冷却器，其特征在于：所述风机面板（1）上设置的风机罩壳（2）和风机（3）的数量，与椭圆翼片管（6）的长度相对应。A temperature-compensated oil-air cooler according to claim 7, characterized in that: the number of fan casings (2) and fans (3) set on the fan panel (1) is the same as the number of elliptical fin tubes (6) corresponding to the length.
  9. 根据权利要求8所述的温度补偿式油风冷却器，其特征在于：所述椭圆翼片管（6）上设有挡风板（10），所述挡风板（10）对应位于相邻两风机（3）之间。The temperature-compensated oil-air cooler according to claim 8, characterized in that: the elliptical fin tube (6) is provided with a windshield (10), and the windshield (10) is correspondingly located adjacent to Between the two fans (3).
  10. 根据权利要求1-9任一权利要求所述的温度补偿式油风冷却器，其特征在于：所述风机面板（1）上设有端子盒（11）。The temperature-compensated oil-air cooler according to any one of claims 1-9, characterized in that: the fan panel (1) is provided with a terminal box (11).
PCT/CN2021/132099 2021-08-06 2021-11-22 Temperature-compensation-type air-cooled oil cooler WO2023010713A1 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201318879Y (en) * 2008-10-16 2009-09-30 中国西电电气股份有限公司 Forced oil circulation air cooler for transformers
CN204045331U (en) * 2014-08-11 2014-12-24 中国西电电气股份有限公司 A kind of transformer forced air cooler
CN209297883U (en) * 2019-03-09 2019-08-23 浙江尔格科技股份有限公司 A kind of oil-water cooler
CN113674955A (en) * 2021-08-06 2021-11-19 浙江尔格科技股份有限公司 Oil-air cooler with elliptical fin tubes

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201318879Y (en) * 2008-10-16 2009-09-30 中国西电电气股份有限公司 Forced oil circulation air cooler for transformers
CN204045331U (en) * 2014-08-11 2014-12-24 中国西电电气股份有限公司 A kind of transformer forced air cooler
CN209297883U (en) * 2019-03-09 2019-08-23 浙江尔格科技股份有限公司 A kind of oil-water cooler
CN113674955A (en) * 2021-08-06 2021-11-19 浙江尔格科技股份有限公司 Oil-air cooler with elliptical fin tubes

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