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CN-224232453-U - Radiator and transformer

CN224232453UCN 224232453 UCN224232453 UCN 224232453UCN-224232453-U

Abstract

The application discloses a radiator and a transformer, and relates to the technical field of transformers, wherein the radiator comprises an oil collecting pipe and a plurality of radiating fins, and the oil collecting pipe is connected with the radiating fins and is communicated with radiating runners in the radiating fins; the heat radiating fins are provided with mounting rings, the mounting rings axially protrude out of at least one side surface of the heat radiating fins, a plurality of mounting holes for the fasteners to pass through are distributed on the heat radiating fins, and two adjacent heat radiating fins are axially arranged along the mounting rings and are connected through the fasteners. According to the technical scheme, the mounting rings and the mounting holes are formed in the radiating fins, and the adjacent radiating fins can be quickly assembled through the fastening pieces without reserving an operation space, so that the size of the radiator is reduced.

Inventors

  • CHEN HUI
  • KONG FANWU
  • LIU CAN

Assignees

  • 合肥阳光电气设备有限公司

Dates

Publication Date
20260512
Application Date
20250407

Claims (12)

  1. 1. The radiator (10) is characterized by comprising an oil collecting pipe (600) and a plurality of radiating fins (100), wherein the oil collecting pipe (600) is connected with the radiating fins (100) and is communicated with a radiating runner (140) in the radiating fins (100), a mounting ring (200) is arranged on the radiating fins (100), the mounting ring (200) axially protrudes out of at least one side surface of the radiating fins (100), a plurality of mounting holes (210) for a fastener (300) to penetrate are distributed on the radiating fins (100), and two adjacent radiating fins (100) are axially arranged along the mounting ring (200) and are connected through the fastener (300).
  2. 2. The heat sink (10) of claim 1, wherein a plurality of the mounting holes (210) include first holes (211) and second holes (212) that are staggered at intervals, a plurality of heat sinks (100) include first heat sinks (110), second heat sinks (120), and third heat sinks (130), the second heat sinks (120) are disposed between the first heat sinks (110) and the third heat sinks (130), the fastener (300) includes a first fastener (310) and a second fastener (320), the first fastener (310) is disposed through the first holes (211) on the first heat sinks (110) and the second heat sinks (120), and the second fastener (320) is disposed through the second holes (212) on the second heat sinks (120) and the third heat sinks (130).
  3. 3. The heat sink (10) of claim 1, wherein the mounting ring (200) has a through oil chamber (220), a plurality of the through oil chambers (220) being in communication and forming an oil passage (400), the heat dissipation flow passage (140) being in communication with the oil passage (400).
  4. 4. A radiator (10) according to claim 3, wherein a sealing ring (500) is provided between two adjacent mounting rings (200), the sealing ring (500) being provided around the periphery of the oil passage (400).
  5. 5. The heat sink (10) according to claim 4, wherein the mounting ring (200) is concavely provided with a seal ring groove (230), the seal ring (500) is clamped in the seal ring groove (230), and a plurality of mounting holes (210) are annularly arranged at the periphery of the seal ring groove (230).
  6. 6. The radiator (10) according to claim 3, wherein the oil collecting pipe (600) is penetrating through the oil passing channel (400) and is abutted against the inner peripheral wall of the oil passing channel (400), and the oil collecting pipe (600) is provided with a plurality of oil passing holes (610) communicated with the oil passing channel (400).
  7. 7. The radiator (10) according to claim 6, wherein an oil passage groove (240) is concavely provided in an inner peripheral wall of the oil passage (400), and the oil passage groove (240) communicates with the heat radiation flow passage (140) and corresponds to the oil passing hole (610).
  8. 8. The heat sink (10) according to claim 6, wherein the heat sink (10) further comprises an end plate (700), the end plate (700) being capped at one end of the oil collecting pipe (600) in the axial direction and being connected to the outer mounting ring (200) by means of a fastener (300).
  9. 9. A radiator (10) according to claim 3, wherein the heat sink (100) is integrally connected to the mounting ring (200) after being formed separately.
  10. 10. The heat sink (10) of claim 9, wherein the heat sink (100) is connected to the mounting ring (200) by welding; and/or, the mounting ring (200) is provided with an oil channel groove (240), and the heat dissipation runner (140) is communicated with the oil channel (400) through the oil channel groove (240); and/or the thickness of the mounting ring (200) in the axial direction is less than or equal to 25mm.
  11. 11. The heat sink (10) according to any one of claims 1 to 10, wherein a plurality of said mounting rings (200) are provided on said heat sink (100); And/or a plurality of the mounting holes (210) are distributed on the mounting ring (200) at intervals along the circumferential direction.
  12. 12. A transformer, characterized by comprising a heat sink (10) according to any one of claims 1 to 11.

Description

Radiator and transformer Technical Field The application relates to the technical field of transformers, in particular to a radiator and a transformer. Background The radiator is an important constituent structure of the transformer and generally comprises an upper oil collecting pipe, a lower oil collecting pipe and a radiating fin. The radiating fins are welded on the oil collecting pipe in a welding mode, and because the existing welding machine needs to occupy a certain welding space, a larger operation distance is required to be reserved between two adjacent radiating fins. As the capacity of the transformer increases, the requirement for the heat radiation performance of the radiator increases, resulting in an increase in the number of heat radiation fins that need to be provided, and an increase in the oil collecting pipe, thereby resulting in a larger size of the radiator. Disclosure of utility model The main object of the present application is to propose a radiator and a transformer, aimed at reducing the size of the radiator. The radiator comprises an oil collecting pipe and a plurality of radiating fins, wherein the oil collecting pipe is connected with the radiating fins and is communicated with a radiating runner in the radiating fins, the radiating fins are provided with mounting rings which axially protrude out of at least one side face of the radiating fins, the radiating fins are distributed with a plurality of mounting holes for a fastener to pass through, and two adjacent radiating fins are axially arranged along the mounting rings and are connected through the fastener. In an embodiment, the plurality of mounting holes include first holes and second holes that are staggered at intervals, the plurality of cooling fins include first cooling fins, second cooling fins and third cooling fins, the second cooling fins are arranged between the first cooling fins and the third cooling fins, the fastening pieces include first fastening pieces and second fastening pieces, the first fastening pieces penetrate through the first holes on the first cooling fins and the second cooling fins, and the second fastening pieces penetrate through the second holes on the second cooling fins and the third cooling fins. In one embodiment, the mounting ring is provided with an oil passing cavity, a plurality of oil passing cavities are communicated, an oil passing channel is formed, and the heat dissipation flow channel is communicated with the oil passing channel. In one embodiment, a sealing ring is arranged between two adjacent mounting rings, and the sealing ring is arranged on the periphery of the oil passing channel in a surrounding manner. In one embodiment, the mounting ring is concavely provided with a sealing ring groove, the sealing ring is clamped in the sealing ring groove, and a plurality of mounting holes are annularly arranged on the periphery of the sealing ring groove. In an embodiment, the oil collecting pipe penetrates through the oil passing channel and abuts against the inner peripheral wall of the oil passing channel, and a plurality of oil passing holes communicated with the oil passing channel are formed in the oil collecting pipe. In an embodiment, an oil channel groove is concavely formed in the inner peripheral wall of the oil passing channel, and the oil channel groove is communicated with the heat dissipation flow channel and corresponds to the oil passing hole. In one embodiment, the radiator further comprises an end plate, wherein the end plate is covered on one end of the oil collecting pipe in the axial direction and is connected to the outer mounting ring through a fastener. In one embodiment, the radiating fin and the mounting ring are connected into a whole after being formed in a split mode. In one embodiment, the heat sink and the mounting ring are connected by welding. In one embodiment, the mounting ring is provided with an oil channel groove, and the heat dissipation runner is communicated with the oil passing channel through the oil channel groove. In one embodiment, the mounting ring has an axial thickness of less than or equal to 25mm. In one embodiment, the heat sink is provided with a plurality of mounting rings. In one embodiment, a plurality of the mounting holes are circumferentially spaced apart on the mounting ring. The application also provides a transformer comprising the radiator. According to the technical scheme, the mounting rings and the mounting holes are formed in the radiating fins, so that the radiating fins can be assembled quickly through the fasteners, an operation space is not required to be reserved between the adjacent radiating fins, the space is greatly reduced, the size of the radiator is reduced, the center of gravity of the radiator can be closer to the oil tank, and the oil seepage risk caused by transportation jolt at the mounting positions of the radiator and the oil tank is reduced. Drawings In order to more clearly illustrate the embod