CN219696206U - Oil changes heat abstractor - Google Patents

Abstract

The utility model provides an oil change heat dissipation device which comprises an oil outlet pipe, an oil return pipe and a plurality of heat dissipation fins arranged between the oil outlet pipe and the oil return pipe, wherein the heat dissipation fins are equidistantly provided with a plurality of heat dissipation grooves, the heat dissipation grooves penetrate through the heat dissipation fins and divide the interior of the heat dissipation fins into a plurality of oil channels, the tail ends of the oil outlet pipe and the oil return pipe are provided with a support frame, and the support frame is provided with a heat dissipation fan. Through set up a plurality of heat dissipation grooves on the fin to separate into a plurality of oil duct with the inside of fin through the heat dissipation groove, the wind of being convenient for through radiator fan passes the heat dissipation groove of a plurality of fins in proper order, thereby increase with the contact of oil duct outer wall surface, improve the radiating effect.

Description

Oil changes heat abstractor

Technical Field

The utility model relates to the field of transformer heat dissipation, in particular to an oil-change heat dissipation device.

Background

The oil immersed transformer uses oil as the main insulating means of the transformer and depends on the oil as cooling medium, such as oil immersed self-cooling, oil immersed air cooling, oil immersed water cooling, forced oil circulation and the like. The main components of the transformer are iron core, winding, oil tank, conservator, breather, explosion-proof pipe (pressure relief valve), radiator, insulating sleeve, tapping switch, gas relay, thermometer, oil purifier, etc. At present, in the heat dissipation of a transformer, the oil which is generated by the immersed coil when the transformer works is required to be cooled by utilizing a radiator, the radiator consists of a plurality of radiating fins, a heat dissipation oil cavity which is mutually communicated is formed in each radiating fin, when the transformer works, the oil which is generated by the immersed coil dissipates heat through the heat dissipation oil cavity which flows into the radiating fins, and the cooled transformer oil flows back to the oil tank of the immersed coil again, so that the circulation is repeated, and the purpose of reducing the temperature rise of the transformer oil is achieved.

However, with the development of economy, the capacity of transformers is increasing, and there is an increasing demand for heat dissipation efficiency and the like of heat sinks in a finned radiator. The existing radiating fins have limited contact area with air cooling, so that the radiating efficiency of the radiating fins is low, and the oil-change radiating device is provided for solving the problems.

Disclosure of Invention

The utility model mainly aims to provide an oil-change heat radiating device, which solves the problem of low heat radiating efficiency of a heat radiating fin caused by limited contact area of the existing heat radiating fin and air cooling.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides an oily heat abstractor that becomes, includes the oil outlet pipe and returns oil pipe to and set up a plurality of fin between oil outlet pipe and returning oil pipe, the equidistance is provided with a plurality of radiating groove of each on the fin, and the radiating groove runs through the fin to divide into a plurality of oil duct with the inside of fin, the tail end of oil outlet pipe and returning oil pipe is provided with the support frame, is provided with cooling fan on the support frame.

In the preferred scheme, the top wall surface and the bottom wall surface of the radiating groove are respectively provided with a connecting plate, and all radiating fins are connected by the connecting plates.

In the preferred scheme, the top wall surface and the bottom wall surface of the heat dissipation groove are arc-shaped, and the connecting plate is an arc-shaped plate.

In the preferred scheme, the outer cambered surface of the connecting plate is provided with the convex blocks with the quantity corresponding to that of the radiating fins at equal intervals.

In the preferred scheme, the oil inlet and the oil outlet of the radiating fin are both provided with U-shaped seats for wrapping the oil outlet pipe or the oil return pipe, and the U-shaped seats are provided with openings communicated with the oil inlet or the oil outlet.

In the preferred scheme, the distance between the two ends of the U-shaped seat is slightly smaller than the diameter of the oil outlet pipe or the oil return pipe.

In the preferred scheme, protruding strips are arranged on two ends of the U-shaped seat.

The utility model provides an oil-change heat radiating device, which is characterized in that a plurality of heat radiating grooves are formed in a heat radiating fin, the heat radiating fin is internally divided into a plurality of oil channels through the heat radiating grooves, so that wind passing through a heat radiating fan can pass through the heat radiating grooves of the plurality of heat radiating fins in sequence, the contact with the outer wall surfaces of the oil channels is increased, and the heat radiating effect is improved.

Drawings

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

FIG. 1 is a general block diagram of the present utility model;

FIG. 2 is a diagram of the connection structure of the connection plate of the present utility model;

FIG. 3 is a block diagram of a heat sink according to the present utility model;

FIG. 4 is a cross-sectional view of a heat sink according to the present utility model;

FIG. 5 is a top view of the structure of the present utility model;

FIG. 6 is a block diagram of a connection plate of the present utility model;

in the figure: an oil outlet pipe 1; an oil return pipe 2; a heat sink 3; a heat radiation groove 31; a U-shaped seat 32; a protruding strip 33; a connection plate 4; a bump 41; a support 5; and a heat radiation fan 6.

Detailed Description

Example 1

As shown in fig. 1-6, an oil-change heat dissipating device comprises an oil outlet pipe 1, an oil return pipe 2, and a plurality of heat dissipating fins 3 welded between the oil outlet pipe 1 and the oil return pipe 2, wherein an oil inlet at the top and an oil outlet at the bottom of each heat dissipating fin 3 are respectively communicated with the oil outlet pipe 1 and the oil return pipe 2, which are well known in the art, and therefore will not be described in detail.

The equidistant radiating grooves 31 that are provided with on the fin 3 each, radiating groove 31 runs through the fin 3 to separate into a plurality of oil duct with the inside of fin 3, in this embodiment, radiating groove 31's quantity is six, separates into seven oil ducts with the inside of fin 3, and the tail end of oil pipe 1 and oil return pipe 2 has set firmly support frame 5, has set firmly radiator fan 6 on the support frame 5, and radiator fan 6's wind direction is just against radiating groove 31.

When the radiator is used, wind generated by the radiating fan 6 sequentially passes through the radiating grooves 31 on the radiating fins 3, so that the radiating effect is realized, the wind is directly contacted with the outer wall surface of each oil duct, the contact area of the radiating fins 3 and the air cooling is increased, and the radiating efficiency is further improved.

In the preferred scheme, the top wall surface and the bottom wall surface of the heat dissipation groove 31 are welded with the connecting plates 4, and the connecting plates 4 connect all the heat dissipation fins 3, so that the overall stability is improved.

In the preferred scheme, the roof face and the diapire face of heat dissipation groove 31 all are the arc, and connecting plate 4 is the arc, and the design improvement of cambered surface is favorable to improving the laminating degree, plays the effect of water conservancy diversion simultaneously.

In the preferred scheme, the outer cambered surface of the connecting plate 4 is provided with the convex blocks 41 corresponding to the cooling fins 3 in number at equal intervals, and the installation position of each cooling fin 3 can be positioned through the convex blocks 41, so that the effect of equally welding the cooling fins 3 is realized.

Example 2

As further described in connection with embodiment 1, as shown in fig. 3-4, the oil inlet and the oil outlet of the cooling fin 3 are welded with a U-shaped seat 32 for wrapping the oil outlet pipe 1 or the oil return pipe 2, and an opening communicated with the oil inlet or the oil outlet is formed in the U-shaped seat 32, so that convenience in installing the oil outlet pipe 1 or the oil return pipe 2 is improved through the U-shaped seat 32.

In the preferred scheme, the distance between the two ends of the U-shaped seat 32 is slightly smaller than the diameter of the oil outlet pipe 1 or the oil return pipe 2, so that the clamping effect is achieved, and the welding is convenient.

In the preferred scheme, protruding strips 33 are arranged on two ends of the U-shaped seat 32, the oil outlet pipe 1 or the oil return pipe 2 can be clamped by the protruding strips, and meanwhile, the protruding strips 33 and the oil outlet pipe 1 or the oil return pipe 2 can be welded in a linear mode conveniently.

The above embodiments are only preferred embodiments of the present utility model, and should not be construed as limiting the present utility model, and the scope of the present utility model should be defined by the claims, including the equivalents of the technical features in the claims. I.e., equivalent replacement modifications within the scope of this utility model are also within the scope of the utility model.

Claims (7)

1. The utility model provides an oily heat abstractor that becomes, includes oil outlet pipe (1) and returns oil pipe (2), and set up a plurality of fin (3) between oil outlet pipe (1) and returns oil pipe (2), characterized by: the cooling fin (3) is provided with a plurality of cooling grooves (31) at equal intervals, the cooling grooves (31) penetrate through the cooling fin (3) and divide the interior of the cooling fin (3) into a plurality of oil ducts, the tail ends of the oil outlet pipe (1) and the oil return pipe (2) are provided with a supporting frame (5), and the supporting frame (5) is provided with a cooling fan (6).

2. An oil-change heat sink according to claim 1, characterized in that: the top wall surface and the bottom wall surface of the radiating groove (31) are respectively provided with a connecting plate (4), and all radiating fins (3) are connected by the connecting plates (4).

3. An oil-change heat sink according to claim 2, characterized in that: the top wall surface and the bottom wall surface of the heat dissipation groove (31) are arc-shaped, and the connecting plate (4) is an arc-shaped plate.

4. An oil-change heat sink according to claim 3, characterized in that: the outer cambered surface of the connecting plate (4) is provided with bumps (41) with the quantity corresponding to that of the radiating fins (3) at equal intervals.

5. An oil-change heat sink according to claim 1, characterized in that: the cooling fin is characterized in that an oil inlet and an oil outlet of the cooling fin (3) are respectively provided with a U-shaped seat (32) for wrapping the oil outlet pipe (1) or the oil return pipe (2), and the U-shaped seat (32) is provided with an opening communicated with the oil inlet or the oil outlet.

6. An oil-change heat sink according to claim 5, wherein: the distance between the two ends of the U-shaped seat (32) is slightly smaller than the diameter of the oil outlet pipe (1) or the oil return pipe (2).

7. An oil-change heat sink according to claim 6, wherein: protruding strips (33) are arranged at two ends of the U-shaped seat (32).