CN217507065U

CN217507065U - Ultra-thin radiating fin for transformer-based radiator

Info

Publication number: CN217507065U
Application number: CN202221215220.2U
Authority: CN
Inventors: 蒋建芳
Original assignee: Suzhou Difeite Electronics Co ltd
Current assignee: Suzhou Difeite Electronics Co ltd
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2022-09-27
Anticipated expiration: 2032-05-18

Abstract

The utility model provides an ultrathin radiating fin for a transformer-based radiator, which belongs to the technical field of transformer radiating fins and aims to solve the problem that the traditional radiating fin is difficult to realize the ultrathin radiating fin and simultaneously realize better radiating effect, and comprises a radiating body; the front, the rear, the left and the right sides of the heat radiation body are fixedly connected with two groups of connecting plates through bolt assemblies respectively; the connecting plate is fixedly connected with a radiating fin main body, and the bottoms of the connecting plates on the front side and the rear side are respectively fixedly connected with a bracket. The utility model discloses set up the fin main part, flow into the oil inlet after insulating oil is heated the inflation, the inner wall large tracts of land contact of water conservancy diversion strip and fin main part is prolonged in the same direction as, thereby the maximize conducts heat, and can reduce the thickness of fin, realize the effect of ultra-thin fin, outer wall and fin through the fin main part carry out the air cooling, trickling smooth surface accelerates trickling speed after the insulating oil heat dissipation, make the inflow oil gallery that insulating oil can be faster, accomplish the heat dissipation.

Description

Ultra-thin radiating fin for transformer-based radiator

Technical Field

The utility model belongs to the technical field of the transformer fin, more specifically say, in particular to based on ultra-thin fin is used to transformer radiator.

Background

The transformer is power transmission and distribution basic equipment, utilizes the electromagnetic induction principle to change alternating voltage's device, and the transformer is owing to long-term incessant work, and the high temperature of production need dispel the heat through the radiator, and in oil-immersed transformer, the fin of radiator needs utilize the air cooling with the insulating oil of high temperature to carry out the cooling processing to realize the radiating effect.

Based on the prior art, the radiating fin radiates heat by increasing the contact area with air, the flowing time of the insulating oil in the radiating fin is short, the contact area with the radiating fin is small, the contact time is short, the thickness of the radiating fin is difficult to reduce, and a good radiating effect is realized; after the radiating fins are fixedly arranged on the transformer radiator, the positions of the radiating fins are difficult to change, and in different areas, the wind power and the working environment temperature are not only the same, so that the problem that the mounting positions of the radiating fins can be changed according to the use scene is difficult to realize.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an ultra-thin radiating fin for a transformer-based radiator, which solves the problem that the traditional radiating fin is difficult to realize the ultra-thin radiating fin and simultaneously realizes a better radiating effect; it is difficult to realize the problem that the mounting position of the heat sink can be changed according to the use scene.

The utility model discloses based on purpose and the efficiency of transformer radiator with ultra-thin fin, by following concrete technical means reach:

the ultrathin radiating fin for the transformer-based radiator comprises a radiating body; the four sides of the heat radiation body are fixedly connected with two groups of connecting plates through bolt assemblies respectively, and oil outlet holes are formed above the four walls of the heat radiation body and oil return holes are formed below the four walls of the heat radiation body; the connecting plate is fixedly connected with a radiating fin main body, and the bottoms of the connecting plates on the front side and the rear side are respectively and fixedly connected with a bracket; the radiating fin main bodies on the front side and the rear side are respectively and fixedly connected with a clamping rod, and the radiating fin main bodies on the left side and the right side are respectively and fixedly connected with a connecting rod.

Further, fin main part outside top is the slope structure, and is equipped with oil inlet, oil-out, lug and water conservancy diversion strip in the fin main part, and the oil inlet is the oil outlet of circular port structure and through sealed tube intercommunication radiator, and the oil-out is circular structure and passes through the oil gallery of sealed tube intercommunication radiator, and the lug is arc structure and fixed connection at the outer wall of fin main part, and the water conservancy diversion strip is the arc strip structure of slope and fixes the inner wall top of establishing in the fin main part, and the inner wall below of fin main part is the smooth surface.

Furthermore, the connecting plates are provided with clamping grooves, the width of each clamping groove is larger than that of the radiating fin main body, the connecting plates on the left side and the right side are located on the same horizontal line, the connecting plates on the front side and the rear side are located on the same horizontal line, and the connecting plates on the front side and the rear side are lower than the connecting plates on the left side and the right side.

Furthermore, the left side fixed welding of bracket is on the connecting plate, and the diaphragm top surface of bracket is equipped with the card hole, and both sides are the rectangle structure around the card hole, and the centre is circular structure, and the inside joint lug of card hole.

Furthermore, the clamping rod is movably connected with a rotating rod through a shaft, an elastic pipe is arranged on the clamping rod and is a three-section arc-shaped structure pipe, a spring is arranged in the elastic pipe close to one side of the clamping rod, and the tail end of the elastic pipe is fixedly connected with the rotating rod.

Furthermore, the connecting rod is provided with a bayonet, and when the radiating fin main bodies on the left side and the right side are assembled on the connecting plates on the front side and the rear side, the radiating fin main bodies on the front side and the rear side are clamped inside the bayonet.

The utility model discloses at least, include following beneficial effect:

1. the utility model discloses the fin main part has been set up, after the inside insulating oil of radiator is heated the volume grow of inflation, insulating oil flows in the oil inlet from the oil outlet, the contact of the inner wall maximum area of following water conservancy diversion strip and fin main part and trickling downwards, increase area of contact and the time with fin main part inner wall, thereby the maximize conducts heat, and can reduce the thickness of fin, realize the effect of ultra-thin fin, outer wall and lug through the fin main part carry out the air cooling, cool off insulating oil, trickling behind the smooth surface of fin main part inner wall below after the insulating oil heat dissipation, accelerate the trickling speed of insulating oil, thereby make the insulating oil after the cooling can be faster flow into the oil gallery from the oil-out, accomplish the heat dissipation.

2. The utility model discloses kelly and bracket have been set up, when the front side connecting plate was installed to left fin main part on, the fin main part drives the bull stick when promoting backward and rotates, it receives and compresses the internal spring to drive the elasticity pipe simultaneously, the bull stick supports the outer wall at left side fin main part, the inside joint front side fin main part of bayonet socket, it is fixed to carry out the joint to the fin main part, utilize the card hole to make the lug can the joint to the bracket, make the bracket can follow the bottom and hold up the fin main part, thereby increase stability, make the fin main part can change mounted position according to the use scene.

3. The utility model discloses set up the connecting plate, utilized the draw-in groove to make the fin main part install the connecting plate on the back possess the location, can shorten the distance between fin main part and the radiator simultaneously, after the radiator outer wall adds and establishes the rectangular channel, when the connecting plate was installed on the radiator, the surface of connecting plate and the surface parallel and level of radiator for the fin main part can laminate on the radiator outer wall, thereby can increase the radiating effect.

Drawings

Fig. 1 is a schematic structural diagram of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the front side fin body of the present invention.

Fig. 3 is a schematic view of a partial cross-sectional structure of the connection portion of the connection plate and the bracket according to the present invention.

Fig. 4 is a schematic view of a partial structure of the clamping rod of the present invention.

Fig. 5 is a schematic structural view of the connecting rod of the present invention.

Fig. 6 is a schematic sectional view of the heat sink body according to the present invention.

Fig. 7 is an enlarged schematic view of a portion a of fig. 6 according to the present invention.

Fig. 8 is a schematic structural view of the front and left side fin bodies of the present invention assembled together.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a heat sink; 2. a heat sink main body; 201. an oil inlet; 202. an oil outlet; 203. a tab; 204. a flow guide strip; 3. a connecting plate; 301. a card slot; 4. a bracket; 401. a clamping hole; 5. a clamping rod; 501. a rotating rod; 502. an elastic tube; 6. a connecting rod; 601. and (4) clamping.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "coaxial," "bottom," "one end," "top," "middle," "other end," "upper," "side," "top," "inner," "front," "center," "two end," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like 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 explicitly stated or limited otherwise, the terms "mounted," "disposed," "connected," "fixed," and "screwed" are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The embodiment is as follows:

as shown in figures 1 to 8:

the utility model provides an ultrathin radiating fin for a transformer-based radiator, which comprises a radiator 1; the four sides of the radiator 1 are fixedly connected with two groups of connecting plates 3 through bolt assemblies respectively, and oil outlets are arranged above the four walls of the radiator 1 and oil return holes are arranged below the four walls; the connecting plate 3 is fixedly connected with a radiating fin main body 2, and the bottoms of the connecting plates 3 on the front side and the rear side are respectively and fixedly connected with a bracket 4; the front and rear radiating fin bodies 2 are respectively fixedly connected with a clamping rod 5, and the left and right radiating fin bodies 2 are respectively fixedly connected with a connecting rod 6.

As shown in fig. 4, the clamping rod 5 is movably connected with a rotating rod 501 through a shaft, an elastic tube 502 is arranged on the clamping rod 5, the elastic tube 502 is a three-section arc-shaped tube, a spring is arranged inside the elastic tube 502 at one side close to the clamping rod 5, the tail end of the elastic tube 502 is fixedly connected with the rotating rod 501, when the left radiator main body 2 is mounted on the front side connection plate 3, the radiator main body 2 drives the rotation rod 501 to rotate when pushed backward, at the same time, the elastic tube 502 is driven to be retracted and compress the internal spring, the rotating rod 501 is pressed against the outer wall of the left heat sink main body 2, when the left fin body 2 is moved outward, the elastic tube 502 is pushed outward by the elastic force of the spring, drive bull stick 501 simultaneously and revolve to initial position, automatic re-setting utilizes kelly 5 and bull stick 501 to provide the grafting space for equipment fin main part 2, ensures that the fin main part 2 of both sides can not influence the assembling of the fin main part 2 of the left and right sides around.

As shown in fig. 1 and fig. 3, be equipped with draw-in groove 301 on connecting plate 3, the width of draw-in groove 301 is greater than the width of fin main part 2, and the connecting plate 3 of the left and right sides is located same water flat line, the connecting plate 3 of both sides is located same water flat line around, but the connecting plate 3 of both sides is less than the connecting plate 3 of the left and right sides around, utilize draw-in groove 301 to make fin main part 2 install the back and possess the location on connecting plate 3, can shorten the distance between fin main part 2 and the radiator 1 simultaneously, behind the rectangular channel is established with to the 1 outer wall of radiator, when the connecting plate 3 was installed on radiator 1, the surface of connecting plate 3 and the surface parallel and level of radiator 1, make fin main part 2 can laminate on the 1 outer wall of radiator, thereby can increase the radiating effect.

As shown in fig. 3, the left and right sides of the bracket 4 are fixedly welded on the connecting plate 3, the top surface of the transverse plate of the bracket 4 is provided with a clamping hole 401, the front and rear sides of the clamping hole 401 are of a rectangular structure and a middle circular structure, and the clamping lug 203 in the clamping hole 401 is clamped on the bracket 4 by using the clamping hole 401, so that the lug 203 can be clamped on the bracket 4, the bracket 4 can support the heat dissipation sheet main body 2 from the bottom, and the stability is improved.

As shown in fig. 6 and 7, the top of the outer side of the heat sink main body 2 is an inclined structure, and the heat sink main body 2 is provided with an oil inlet 201, an oil outlet 202, a protruding piece 203 and a flow guiding strip 204, the oil inlet 201 is a circular hole structure and is communicated with the oil outlet of the heat sink 1 through a sealing pipe, the oil outlet 202 is a circular structure and is communicated with the oil return hole of the heat sink 1 through a sealing pipe, the protruding piece 203 is an arc structure and is fixedly connected to the outer wall of the heat sink main body 2, the flow guiding strip 204 is an inclined arc strip structure and is fixedly arranged above the inner wall of the heat sink main body 2, the lower part of the inner wall of the heat sink main body 2 is a smooth surface, when the volume of the insulation oil inside the heat sink 1 is expanded by heat, the insulation oil flows into the oil inlet 201 from the oil outlet, the flow guiding strip 204 contacts with the largest area of the inner wall of the heat sink main body 2 and flows downwards, so as to increase the contact area and time with the inner wall of the heat sink main body 2, thereby the maximize conducts heat, carries out the air cooling through the outer wall of fin main part 2 and lug 203, cools off insulating oil, and insulating oil after the heat dissipation trickles behind the smooth surface of fin main part 2 inner wall below for insulating oil's trickling speed, thereby make the insulating oil after the cooling can be faster flow into the oil gallery from oil-out 202, accomplish the heat dissipation.

As shown in fig. 5, the connecting rod 6 is provided with a bayonet 601, when the heat sink main bodies 2 on the left and right sides are assembled on the connecting plates 3 on the front and rear sides, the heat sink main bodies 2 on the front and rear sides are connected in a clamping manner inside the bayonet 601, the connecting rod 6 is utilized to enable the heat sink main bodies 2 on the left and right sides to be connected together, when the heat sink main bodies 2 on the left and right sides are assembled with the heat sink main bodies 2 on the front and rear sides, the bayonet 601 is utilized to enable the assembly of the heat sink main bodies 2 to be unaffected, and meanwhile, the heat sink main bodies 2 can be clamped and fixed.

The specific use mode and function of the embodiment are as follows:

in the utility model, when the left radiating fin main body 2 is installed on the front connecting plate 3, the radiating fin main body 2 drives the rotating rod 501 to rotate when pushing backwards, meanwhile, the elastic tube 502 is driven to be folded and the internal spring is compressed, the rotating rod 501 abuts against the outer wall of the left radiating fin main body 2, the bayonet 601 is internally clamped with the front radiating fin main body 2 to clamp and fix the radiating fin main body 2, the lug 203 can be clamped on the bracket 4 by utilizing the clamping hole 401, so that the bracket 4 can lift the radiating fin main body 2 from the bottom, thereby increasing the stability;

after the rectangular groove is additionally arranged on the outer wall of the heat radiation body 1, when the connecting plate 3 is installed on the heat radiation body 1, the outer surface of the connecting plate 3 is flush with the outer surface of the heat radiation body 1, so that the heat radiation main body 2 can be attached to the outer wall of the heat radiation body 1, and the heat radiation effect can be improved;

after the inside insulating oil of radiator 1 is heated the inflation volume grow, insulating oil flows into oil inlet 201 from the oil outlet, the contact of the biggest area of inner wall of following water conservancy diversion strip 204 and fin main part 2 and trickling downwards, increase area of contact and the time with 2 inner walls of fin main part, thereby the maximize conducts heat, outer wall and the lug 203 through fin main part 2 carry out the air cooling, cool off insulating oil, behind the smooth surface of 2 inner wall below of fin main part 2 of trickling behind the insulating oil heat dissipation, accelerate the trickling speed of insulating oil, thereby make the insulating oil after the cooling can be faster flow into the oil gallery from oil-out 202, accomplish the heat dissipation.

The details of the present invention are well known to those skilled in the art.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. Based on transformer radiator is with ultra-thin fin, its characterized in that: comprises a heat radiation body (1); the four sides of the heat radiation body (1) are respectively and fixedly connected with two groups of connecting plates (3) through bolt assemblies, and oil outlet holes are formed above the four walls of the heat radiation body (1) and oil return holes are formed below the four walls of the heat radiation body; the connecting plate (3) is fixedly connected with a radiating fin main body (2), and the bottoms of the connecting plates (3) on the front side and the rear side are respectively and fixedly connected with a bracket (4); the front and rear radiating fin bodies (2) are respectively fixedly connected with a clamping rod (5), and the left and right radiating fin bodies (2) are respectively fixedly connected with a connecting rod (6).

2. The ultrathin radiating fin based on the transformer radiator as claimed in claim 1, wherein the top of the outer side of the radiating fin main body (2) is of an inclined structure, the radiating fin main body (2) is provided with an oil inlet (201), an oil outlet (202), a protruding piece (203) and a flow guide strip (204), the oil inlet (201) is of a circular hole structure and is communicated with an oil outlet of the radiating body (1) through a sealing pipe, the oil outlet (202) is of a circular structure and is communicated with an oil return hole of the radiating body (1) through the sealing pipe, the protruding piece (203) is of an arc-shaped structure and is fixedly connected to the outer wall of the radiating fin main body (2), the flow guide strip (204) is of an inclined arc-shaped strip structure and is fixedly arranged above the inner wall of the radiating fin main body (2), and the lower part of the inner wall of the radiating fin main body (2) is a smooth surface.

3. The ultra-thin heat sink for transformer-based radiators as claimed in claim 1, wherein the connection plates (3) are provided with slots (301), the slots (301) have a width greater than that of the heat sink body (2), the left and right connection plates (3) are positioned on the same horizontal line, the front and rear connection plates (3) are positioned on the same horizontal line, and the front and rear connection plates (3) are lower than the left and right connection plates (3).

4. The ultra-thin heat sink for the transformer-based heat sink as claimed in claim 2, wherein the bracket (4) is fixedly welded to the connecting plate (3) at left and right sides thereof, the top surface of the transverse plate of the bracket (4) is provided with a clamping hole (401), the front and rear sides of the clamping hole (401) are rectangular, the middle of the clamping hole is circular, and the clamping protrusion (203) is clamped inside the clamping hole (401).

5. The ultra-thin heat sink for the transformer-based heat sink as recited in claim 1, wherein the latch (5) is movably connected with a rotating rod (501) through a shaft, the latch (5) is provided with an elastic tube (502), the elastic tube (502) is a three-segment arc-shaped tube, a spring is provided inside the elastic tube (502) at a side close to the latch (5), and the end of the elastic tube (502) is fixedly connected with the rotating rod (501).

6. The ultra-thin heat sink for transformer-based radiators according to claim 1, wherein the connecting rod (6) is provided with a bayonet (601), and when the heat sink main bodies (2) at the left and right sides are assembled to the connecting plates (3) at the front and rear sides, the heat sink main bodies (2) at the front and rear sides are clamped inside the bayonet (601).