CN109461561B - Corrugated oil duct plate radiator - Google Patents
Corrugated oil duct plate radiator Download PDFInfo
- Publication number
- CN109461561B CN109461561B CN201811568673.1A CN201811568673A CN109461561B CN 109461561 B CN109461561 B CN 109461561B CN 201811568673 A CN201811568673 A CN 201811568673A CN 109461561 B CN109461561 B CN 109461561B
- Authority
- CN
- China
- Prior art keywords
- oil
- wave
- heat dissipation
- shaped
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000017525 heat dissipation Effects 0.000 claims abstract description 29
- 238000003466 welding Methods 0.000 claims abstract description 12
- 238000005452 bending Methods 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000012827 research and development Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- H01F27/22—Cooling by heat conduction through solid or powdered fillings
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transformer Cooling (AREA)
- Housings And Mounting Of Transformers (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
A corrugated oil duct plate radiator belongs to the technical field of transformer heat dissipation. The cooling fin comprises an oil inlet pipe, an oil outlet pipe and a group of cooling fins which are arranged between the oil inlet pipe and the oil outlet pipe and are respectively communicated with the oil inlet pipe and the oil outlet pipe, and the cooling fins are formed by a pair of cooling plates through edge welding, and are characterized in that: the heat dissipation plate is provided with a plurality of wave-shaped areas at intervals along the width direction, a spot welding area is respectively formed between the wave-shaped areas, the spot welding areas opposite to the heat dissipation plate are welded and fixed with each other and are separated in an interval mode, a wave-shaped oil duct is formed between the wave-shaped areas opposite to the heat dissipation plate, the section of the wave-shaped oil duct is wave-shaped, and the distances between the heat dissipation plates at two sides are the same. The convection heat exchange coefficient is improved, the heat dissipation effect is improved, and the service life is prolonged; the research and development and production cost is saved, and the market competitiveness is improved; the disposable investment of the clients is reduced.
Description
Technical Field
The invention belongs to the technical field of transformer heat dissipation, and particularly relates to a corrugated oil duct plate type radiator.
Background
When the large and medium power transformer operates, internal windings, iron cores and other parts can generate loss, the loss is converted into heat, the heat is transferred to the oil tank wall through heat conduction and convection of transformer oil, the temperatures of the windings, the iron cores, the oil tank wall and the oil surface can be continuously increased, the temperature rise can directly influence the service lives of insulating materials such as the windings, and therefore the temperature must be controlled within a certain range, and heat dissipation by adopting a radiator is an essential important part in the transformer.
The fin radiator is a main stream radiator for the current transformer, the radiating efficiency is very high, but with the continuous increase of the power of the transformer, the heat generated by the iron core is larger and larger, the temperature of transformer is increased continuously, and the service life of the insulating material of the iron core winding is halved every 6 ℃ of the temperature of the transformer, but the cost for developing the novel radiating fin is very high, and the radiating capacity of the radiator can be increased only by increasing the radiating area and the production cost.
In view of the above, it is necessary to design a corrugated oil passage fin radiator capable of effectively improving the heat radiation effect without increasing the heat radiation area and the production cost. To this end, the applicant has made an advantageous design, and the technical solutions described below are produced in this context.
Disclosure of Invention
The invention aims to provide a corrugated oil duct fin radiator which is beneficial to optimizing an oil duct structure to generate secondary flow to fully mix transformer oil, so that heat transfer is enhanced to improve a heat dissipation effect, and production cost is saved and market competitiveness is improved.
The invention aims to achieve the purpose, and the corrugated oil duct plate type radiator comprises an oil inlet pipe, an oil outlet pipe and a group of radiating fins which are arranged between the oil inlet pipe and the oil outlet pipe and are respectively communicated with the oil inlet pipe and the oil outlet pipe, wherein the radiating fins are formed by a pair of radiating plates through edge welding, and the corrugated oil duct plate type radiator is characterized in that: the heat dissipation plate is provided with a plurality of wave-shaped areas at intervals along the width direction, a spot welding area is respectively formed between the wave-shaped areas, the spot welding areas opposite to the heat dissipation plate are welded and fixed with each other and are separated in an interval mode, a wave-shaped oil duct is formed between the wave-shaped areas opposite to the heat dissipation plate, the section of the wave-shaped oil duct is wave-shaped, and the distances between the heat dissipation plates at two sides are the same.
In a specific embodiment of the present invention, an opening is formed at the upper and lower ends of the heat sink through the heat dissipation plate, and the opening is respectively communicated with the oil inlet pipe and the oil outlet pipe at the upper and lower ends.
In another specific embodiment of the present invention, an oil inlet is formed at one end of the oil inlet pipe, and an oil outlet is formed at one end of the oil outlet pipe.
In yet another embodiment of the present invention, the radius of curvature of each curved surface in the undulating region is the same.
In yet another embodiment of the present invention, the wave-shaped region is pressed by stamping or rolling.
After the structure is adopted, the invention has the beneficial effects that: firstly, due to the fact that the structure that the corrugated oil duct is formed on the radiating fin is adopted, transformer oil can rotate and secondary flow is induced when passing through, transformer oil is fully mixed, the heat convection coefficient is improved, the radiating effect is improved, and the service life is prolonged; secondly, because only the traditional pressing process is adopted, the research and development and production cost is saved, and the market competitiveness is effectively improved; third, because the corrugated oil duct plate radiator has stronger heat dispersion, transformer manufacturer can install the radiator of less quantity or less specification under the same heat dispersion's circumstances, has reduced customer's disposable input.
Drawings
Fig. 1 is a schematic side view of an embodiment of the present invention.
Fig. 2 is an enlarged view of a portion of a waveform region according to the present invention.
Fig. 3 is a schematic diagram of the front structure of the embodiment of fig. 1.
In the figure: 1. an oil inlet pipe 11; 2. an oil outlet pipe and an oil outlet; 3. heat sink, 31, heat sink, 311, wave zone, 312, spot weld, 313, corrugated oil passage, 32, opening.
Detailed Description
The following detailed description is of embodiments, but the embodiments are not limited to the embodiments, and any equivalent changes made according to the inventive concept are to be regarded as technical scope of the invention.
Referring to fig. 1 in combination with fig. 2 and 3, the present invention relates to a corrugated oil passage fin type radiator, which includes an oil inlet pipe 1, an oil outlet pipe 2, and a set of cooling fins 3 disposed between the oil inlet pipe 1 and the oil outlet pipe 2 and respectively communicating with the oil inlet pipe 1 and the oil outlet pipe 2, wherein the cooling fins 3 are formed by a pair of cooling plates 31 by edge welding, and the present invention is characterized in that: the heat dissipation plate 31 is pressed with a plurality of wave-shaped areas 311 along the width direction, a spot welding area 312 is respectively formed between the wave-shaped areas 311, the spot welding areas 312 opposite to the heat dissipation plate 31 are welded and fixed with each other and separate the wave-shaped areas 311 at intervals, a corrugated oil duct 313 is formed between the wave-shaped areas 311 opposite to the heat dissipation plate 31, the section of the corrugated oil duct 313 is wave-shaped, and the distance between the heat dissipation plates 31 at two sides is the same.
Further, an opening 32 is formed at the upper and lower ends of the heat sink 3 through the heat dissipation plate 31, and the opening 32 is respectively communicated with the oil inlet pipe 1 and the oil outlet pipe 2 at the upper and lower ends.
Further, an oil inlet 11 is formed at one end of the oil inlet pipe 1, and the oil inlet 11 is connected with an oil outlet pipe of the transformer; an oil outlet 21 is formed at one end of the oil outlet pipe 2, and the oil outlet 21 is connected with an oil inlet pipe of the transformer.
Further, the bending radius of each bending surface on the wavy region 311 is the same.
Further, the corrugated region 311 is pressed by stamping or rolling, and in this embodiment, it is preferable to press by rolling, so as to ensure that the bending radius of the curved portion of the corrugated region 311 is the same.
With continued reference to fig. 1 to 3, the radiator is connected to the transformer through the oil inlet 11 and the oil outlet 21, transformer oil of the transformer enters the oil inlet pipe 1 through the oil inlet 11, then the oil passages flow into the corrugated oil passages 313 between the pair of heat dissipation plates 31 downward through the openings 32, the oil is influenced by the wavy pipes to rotate and cause secondary flow in the downflow process, the transformer oil is fully mixed in the corrugated oil passages 313, the heat convection coefficient of the radiator is improved, the radiator has good heat dissipation characteristics and strong heat dissipation effect, the cooled transformer oil flows into the oil outlet pipe 2 from the lower end opening 32, and finally the cooled oil flows into the transformer again through the oil outlet 21 to cool the iron core winding.
Claims (3)
1. The utility model provides a ripple oil duct lamellar radiator, includes that an advance oil pipe (1), an play oil pipe (2) and a set of heat dissipation piece (3) that set up between advance oil pipe (1) and play oil pipe (2) and respectively with advance oil pipe (1) and play oil pipe (2) intercommunication, heat dissipation piece (3) constitute its characterized in that through the border welding by a pair of heating panel (31): the heat dissipation plate (31) is provided with a plurality of wave-shaped areas (311) at intervals along the width direction, a spot welding area (312) is respectively formed between the wave-shaped areas (311), the spot welding areas (312) opposite to the heat dissipation plate (31) are welded and fixed with each other and separate the wave-shaped areas (311) at intervals, a corrugated oil duct (313) is formed between the wave-shaped areas (311) opposite to the heat dissipation plate (31) in a matched mode, the section of the corrugated oil duct (313) is wave-shaped, and the distances between the heat dissipation plates (31) at two sides are the same; the bending radius of each bending surface on the wave-shaped area (311) is the same; the wave-shaped area (311) is pressed by stamping or rolling.
2. The corrugated oil duct fin radiator according to claim 1, wherein openings (32) are formed at the upper and lower ends of the fin (3) through heat dissipation plates (31), respectively, and the openings (32) are communicated with the oil inlet pipe (1) and the oil outlet pipe (2) at the upper and lower ends, respectively.
3. The corrugated oil duct fin radiator according to claim 1, wherein an oil inlet (11) is formed at one end of the oil inlet pipe (1), and an oil outlet (21) is formed at one end of the oil outlet pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811568673.1A CN109461561B (en) | 2018-12-21 | 2018-12-21 | Corrugated oil duct plate radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811568673.1A CN109461561B (en) | 2018-12-21 | 2018-12-21 | Corrugated oil duct plate radiator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109461561A CN109461561A (en) | 2019-03-12 |
| CN109461561B true CN109461561B (en) | 2023-12-26 |
Family
ID=65614107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811568673.1A Active CN109461561B (en) | 2018-12-21 | 2018-12-21 | Corrugated oil duct plate radiator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109461561B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112768195A (en) * | 2020-12-24 | 2021-05-07 | 江苏腾奇电力设备科技有限公司 | Radiating fin with unequal oil passages and finned radiator |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09330825A (en) * | 1996-06-10 | 1997-12-22 | Toshiba Corp | Tank for oil-immersed device |
| CN205876475U (en) * | 2016-07-15 | 2017-01-11 | 福建省汽车工业集团云度新能源汽车股份有限公司 | Automobile radiator |
| CN106683830A (en) * | 2017-03-06 | 2017-05-17 | 常熟市友邦散热器有限责任公司 | Non-uniform oil duct sheet type radiator |
| CN206225136U (en) * | 2016-10-20 | 2017-06-06 | 门科电力设备(昆山)有限公司 | radiator for transformer |
| CN107014238A (en) * | 2017-05-23 | 2017-08-04 | 常熟市友邦散热器有限责任公司 | Galvanizing gilled radiator |
| JP2017174950A (en) * | 2016-03-23 | 2017-09-28 | 株式会社ダイヘン | Radiator panel, radiator and stationary induction apparatus |
| CN209045304U (en) * | 2018-12-21 | 2019-06-28 | 常熟市友邦散热器有限责任公司 | A kind of ripple oil duct gilled radiator |
-
2018
- 2018-12-21 CN CN201811568673.1A patent/CN109461561B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09330825A (en) * | 1996-06-10 | 1997-12-22 | Toshiba Corp | Tank for oil-immersed device |
| JP2017174950A (en) * | 2016-03-23 | 2017-09-28 | 株式会社ダイヘン | Radiator panel, radiator and stationary induction apparatus |
| CN205876475U (en) * | 2016-07-15 | 2017-01-11 | 福建省汽车工业集团云度新能源汽车股份有限公司 | Automobile radiator |
| CN206225136U (en) * | 2016-10-20 | 2017-06-06 | 门科电力设备(昆山)有限公司 | radiator for transformer |
| CN106683830A (en) * | 2017-03-06 | 2017-05-17 | 常熟市友邦散热器有限责任公司 | Non-uniform oil duct sheet type radiator |
| CN107014238A (en) * | 2017-05-23 | 2017-08-04 | 常熟市友邦散热器有限责任公司 | Galvanizing gilled radiator |
| CN209045304U (en) * | 2018-12-21 | 2019-06-28 | 常熟市友邦散热器有限责任公司 | A kind of ripple oil duct gilled radiator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109461561A (en) | 2019-03-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206207745U (en) | Plate-fin stainless steel heat exchanger | |
| CN109461561B (en) | Corrugated oil duct plate radiator | |
| CN107910162B (en) | Wind-water exchange high-power intermediate frequency transformer | |
| CN107103979B (en) | High-efficient heat-dissipating gilled radiator | |
| CN104864600B (en) | A kind of all steel heat exchanger | |
| CN206225139U (en) | A kind of radiator for transformer with fin | |
| CN206410590U (en) | HV heat exchanger plates and efficient plate-type heat-exchanger | |
| CN209045304U (en) | A kind of ripple oil duct gilled radiator | |
| CN113871151A (en) | Finned radiator for transformer with efficient heat dissipation | |
| CN215955008U (en) | Fillet type radiating fin of radiator for oil-immersed transformer | |
| CN210441427U (en) | Heat exchange unit of heat exchanger and gas boiler | |
| CN212511829U (en) | Combustion chamber and gas appliance | |
| CN109411201B (en) | Netted plate radiator | |
| CN215955014U (en) | Ultrathin radiating fin for transformer radiator | |
| CN215955006U (en) | Finned radiator for transformer with efficient heat dissipation | |
| WO2015042948A1 (en) | Energy-saving composite pot bottom and manufacturing process thereof | |
| CN207936831U (en) | Heat exchanging fin and heat exchanging fin group for gas-fired equipment | |
| CN221008727U (en) | Oil-guiding type cooling fin for transformer radiator | |
| CN207180436U (en) | Plate type heat exchanger | |
| CN110911105A (en) | Double gooseneck fin type radiator | |
| CN210486045U (en) | Wave flow heater | |
| CN202470217U (en) | Novel steel plate radiator | |
| CN111197933A (en) | Waste heat step recovery flue heat exchange tube | |
| JPS6335274Y2 (en) | ||
| CN210373705U (en) | Electric heating brazing type plate heat exchanger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |