CN217008866U - Do benefit to and take radiating dry-type transformer cushion of air flue coil - Google Patents

Abstract

The utility model discloses a dry-type transformer cushion block beneficial to heat dissipation of a coil with an air passage, which comprises a fixed cushion block, wherein a ventilation groove is formed in the fixed cushion block; the heat dissipation assemblies are fixedly connected to the fixed cushion blocks; the shockproof blocks are connected to two sides of the ventilation groove; the lower surface of the shockproof block is in contact with the coil, the channel steel is directly connected with the fixed cushion block through the bolt, and the tightness between the fixed cushion block and the coil is adjusted by moving the adjusting bolt up and down. The utility model can radiate heat through the radiating fins and the ventilating grooves, thereby increasing the radiating area of the coil air passage, improving the radiating efficiency, further reducing the manufacturing cost of the coil of the transformer and improving the market competitiveness.

Description

Do benefit to and take radiating dry-type transformer cushion of air flue coil

Technical Field

The utility model belongs to the technical field of transformers, and particularly relates to a dry-type transformer cushion block beneficial to heat dissipation of a coil with an air passage.

Background

The dry type transformer mainly comprises an iron core, a coil, a clamping piece and various fixing pieces, wherein the high-voltage coil and the low-voltage coil are fixed by pressing with a special cushion block, a pressing nail bolt is sequentially connected with a channel steel and the cushion block, the cushion block is located on the channel steel, and the high-voltage coil and the low-voltage coil are fixed by the pressing force of the pressing nail bolt on the cushion block, so that the cushion block is an indispensable fixing piece for the dry type transformer, but the air passage hole of the coil is blocked by the pressing surface at the joint of the cushion block and the coil in the old process, the air passage of the coil is blocked, the heat dissipation sectional area is reduced, and the air circulation is poor; under the condition, the amount of copper used is increased on the premise of ensuring the temperature rise of the coil, and the cost is increased.

Therefore, in view of the above technical problems, there is a need to provide a dry type transformer cushion block which facilitates heat dissipation of a coil with an air passage.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a dry-type transformer cushion block beneficial to heat dissipation of a coil with an air passage, so as to solve the problems.

In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:

a dry-type transformer cushion block beneficial to heat dissipation of a coil with an air flue comprises a coil, channel steel and a fixed cushion block, wherein a ventilation groove is formed in the fixed cushion block; the heat dissipation assemblies are fixedly connected to the fixed cushion blocks; the shockproof blocks are connected to the two sides of the ventilation groove; the lower surface of the shockproof block is in contact with the coil, the channel steel is directly connected with the fixed cushion block through the bolt, and the channel steel moves up and down through the adjusting bolt so as to adjust the tightness between the fixed cushion block and the coil.

As a further improvement of the utility model, the channel steel is fixedly connected to the transformer.

As a further improvement of the utility model, the fixed cushion block is provided with a first mounting hole, and the shockproof block is in interference connection with the first mounting hole.

As a further improvement of the present invention, the heat dissipation assembly includes a heat dissipation frame, and the heat dissipation frame is fixedly connected to the fixing cushion block.

As a further improvement of the utility model, the heat dissipation assembly further comprises a heat conducting fin, an expansion plate and a limiting plate, wherein one end of the expansion plate is connected with the heat conducting fin, one end of the expansion plate, which is far away from the heat conducting fin, is connected with the limiting plate, and the expansion plate and the limiting plate are movably connected in the heat conducting fin.

As a further improvement of the present invention, the side of the heat-conducting sheet remote from the heat-conducting sheet is in contact with the coil.

As a further improvement of the utility model, the shock-proof block has elasticity.

Compared with the prior art, the utility model has the following advantages:

the utility model can radiate heat through the radiating fins and the ventilating grooves, thereby increasing the radiating area of the coil air passage, improving the radiating efficiency, further reducing the manufacturing cost of the coil of the transformer and improving the market competitiveness.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and it is also possible for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

Fig. 1 is a schematic structural view illustrating a dry-type transformer cushion block facilitating heat dissipation of a coil with an air passage mounted on a transformer according to an embodiment of the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

FIG. 3 is a first schematic structural diagram of a dry-type transformer cushion block for facilitating heat dissipation of a coil with an air passage according to an embodiment of the present invention;

FIG. 4 is a second schematic structural diagram of a dry-type transformer cushion block facilitating heat dissipation of a coil with an air passage according to an embodiment of the present invention;

FIG. 5 is a front view of a dry-type transformer spacer for facilitating heat dissipation in a coil with an air passage in accordance with an embodiment of the present invention;

fig. 6 is a top view of a dry-type transformer block for facilitating heat dissipation in a coil with air passages in accordance with an embodiment of the present invention.

In the figure: 100. the heat-radiating structure comprises channel steel, bolts 101, bolts 102, fixing nuts 200, fixing cushion blocks 201, ventilation grooves 202, fixing pieces 203, fixing grooves 204, a first mounting hole 300, a heat-radiating frame 300, heat-conducting fins 301, a telescopic plate 302, a limiting plate 303 and a shockproof block 400.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. The present invention is not limited to the embodiments, and structural, methodological, or functional changes made by those skilled in the art according to the embodiments are included in the scope of the present invention.

The dry-type transformer cushion block beneficial to heat dissipation of the coil with the air channel comprises a channel steel 100, wherein the channel steel 100 has a fixing effect, a bolt 101 is sequentially connected with the channel steel 100 and a fixing nut 102, the bottom of the bolt 101 is in contact with a fixing cushion block 200, and the bolt 101 is moved up and down to control the tightness between the fixing cushion block 200 and the coil at the bottom of the fixing cushion block 200 and fix the coil.

The middle part of the fixing cushion block 200 is provided with the ventilation groove 201, after the ventilation groove 201 is formed, the contact area between the fixing cushion block 200 and the coil is reduced, heat flow of the coil air passage can flow out through the ventilation groove 201, so that the temperature rise of the coil is reduced, the area of the coil air passage can be increased by about 5% -9%, the manufacturing cost of the transformer is greatly reduced on the premise that the temperature rise of the coil is slow, and the market competitiveness is improved.

Four first mounting holes 204 have been seted up to fixed cushion block 200 in the both sides of ventilation groove 201, all install shockproof piece 400 on the first mounting hole 204, shockproof piece 400 is for having elastic material, for example rubber etc., prevent the wearing and tearing to the coil to a certain extent when bolt 101 pushes down, the both sides of shockproof piece 400 are seted up flutedly, be convenient for with first mounting hole 204 chucking, thereby prevent that the displacement of taking precautions against earthquakes piece 400 from appearing between fixed cushion block 200 and coil for a long time and leading to shock-absorbing function to reduce, wear and tear to the coil of transformer, shockproof piece 400 is the square block shape, the area of contact of shockproof piece 400 with the coil has been reduced, the radiating effect of coil has been improved, the manufacturing cost of transformer has been reduced.

Fixedly connected with stationary blade 202 on fixed cushion 200, fixed slot 203 has been seted up in the centre of stationary blade 202, and stationary blade 202 and fixed slot 203 are curved, and fixed slot 203 is unanimous with the radian of coil, are convenient for laminate with the fixed part of coil to prevent that fixed cushion 200 from owing to collapsing down under the effect of pressure when using, improved fixed cushion 200's life, reduce the change frequency of spare part on the transformer.

The heat dissipation assemblies are fixed on the fixed cushion block 200 and located on two sides of the fixing plate 202, the heat dissipation assemblies have good heat conductivity, each heat dissipation assembly comprises a heat dissipation frame 300, the heat dissipation frame 300 is fixed on the fixed cushion block 200, one side, close to the ventilation groove 201, of the heat dissipation frame 300 is provided with an inlet-outlet groove, the heat conducting fins 301 and the limiting plates 303 can enter the heat dissipation frame 300 through the inlet-outlet grooves, the limiting plates 303 are installed inside the heat dissipation frame 300, the expansion plates 302 can move up and down in the heat dissipation frame 300, one ends of the expansion plates 302 are connected with the limiting plates 303, the other ends of the expansion plates 302 are connected with the heat conducting fins 301, one ends, far away from the expansion plates 302, of the heat conducting fins 301 are in contact with the coils, the coils transmit heat to the expansion plates 302 through the heat conducting fins 301, the expansion plates 302 can fully transmit the heat to the air, the heat dissipation area is increased, the heat dissipation efficiency is improved, if the expansion plates 302 do not dissipate heat in time, the heat can be continuously transmitted to the limiting plates 303, the limiting plate 303 transfers heat to the heat dissipation frame 300, thereby improving heat dissipation efficiency, reducing the use of coils, and reducing the manufacturing cost of the transformer.

When the anti-vibration heat dissipation frame is used, the heat dissipation frame 300 is welded to the fixing cushion block 200, then the heat conducting fins 301, the expansion plate 302 and the limiting plate 303 are installed on the heat dissipation frame 300 through the inlet and outlet grooves, the whole body can be conveniently installed on the upper surface of the coil in the subsequent steps, the heat dissipation efficiency of the coil is improved, the manufacturing cost of the transformer in the aspect of the coil is reduced, the four anti-vibration blocks 400 are installed on the first installation hole 204, a buffering effect is achieved between the fixing cushion block 200 and the coil, and the coil is prevented from being abraded by the fixing cushion block 200.

Fix the fixed part chucking on aiming at the coil with fixed slot 203, prevent that fixed cushion 200 from shifting in the in-process of going on fixing, fill in first mounting hole 204 shockproof piece 400, cushion fixed cushion 200, and reduce the area of contact of fixed cushion 200 and coil, thereby improve the radiating efficiency, bolt 101 passes behind channel-section steel 100 and is connected with fixation nut 102, and bolt 101's bottom and fixed cushion 200 contact, through the elasticity degree between the fixed cushion 200 of up-and-down motion control of bolt 101 and the coil, conducting strip 301 and the coil contact of transformer upper end, increase the radiating area of coil, thereby improve the radiating efficiency, and then reduce the coil manufacturing cost of transformer.

According to the technical scheme, the utility model has the following beneficial effects:

the utility model can radiate heat through the radiating fins and the ventilating grooves, thereby increasing the radiating area of the coil air passage, improving the radiating efficiency and further reducing the manufacturing cost of the coil of the transformer.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (8)

1. The utility model provides a do benefit to and take radiating dry-type transformer cushion of air flue coil, includes coil and channel-section steel, its characterized in that still includes:

the fixed cushion block is provided with a ventilation groove;

the heat dissipation assemblies are fixedly connected to the fixed cushion blocks;

the shockproof blocks are connected to two sides of the ventilation groove;

the lower surface of the shockproof block is in contact with the coil, the channel steel is directly connected with the fixed cushion block through the bolt, and the channel steel moves up and down through the adjusting bolt so as to adjust the tightness between the fixed cushion block and the coil.

2. The dry-type transformer cushion for facilitating heat dissipation of a coil with an air flue according to claim 1, wherein the channel steel is fixedly connected to the transformer.

3. The cushion block of the dry-type transformer facilitating heat dissipation of the coil with the air passage as claimed in claim 1, wherein the fixing cushion block is provided with a first mounting hole, and the shockproof block is in interference connection with the first mounting hole.

4. The cushion block of claim 1, wherein the fixing cushion block is connected with a fixing plate, and the fixing plate is provided with a fixing groove.

5. The dry-type transformer cushion for facilitating heat dissipation of a coil with an air passage as recited in claim 1, wherein the heat dissipation assembly comprises a heat dissipation frame, and the heat dissipation frame is fixedly connected to the fixing cushion.

6. The cushion block of claim 5, wherein the heat dissipation assembly further comprises a heat conducting strip, an expansion plate and a limiting plate, one end of the expansion plate is connected with the heat conducting strip, the other end of the expansion plate, far away from the heat conducting strip, is connected with the limiting plate, and the expansion plate and the limiting plate are movably connected in the heat conducting strip.

7. The dry-type transformer cushion for facilitating heat dissipation of a coil with an air passage as recited in claim 6, wherein a side of the heat-conducting strip away from the heat-conducting strip contacts the coil.

8. The dry transformer cushion for facilitating heat dissipation by an air-channeled coil as recited in claim 1, wherein said shock absorbing blocks are resilient.

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