CN210668009U - Oil tank heat dissipation module for transformer - Google Patents

Abstract

The utility model provides an oil tank heat dissipation module for transformer belongs to transformer heat dissipation technical field. It has solved current transformer tank heat dissipation frame structure and has been generally for integral, and not only processing difficulty but also installation are troublesome, are unfavorable for processing, and the heat dissipation of this structure is carried out the heat dissipation passively through setting up at radiating fin usually simultaneously, can't effectively dispel the heat to the corner of oil tank moreover, causes the heat dissipation inhomogeneous, the not high problem of radiating efficiency. This transformer forced air cooling heat dissipation module is equipped with mosaic structure including crooked main part, crooked main part both sides, has still seted up the ventilation hole in the crooked main part, and the ventilation hole cross-section is triangle-shaped, and the ventilation hole inner wall still is equipped with the heat dissipation tooth of a plurality of even settings. The utility model has the advantages of the heat dissipation is even, the radiating effect is good, simple to operate, convenient equipment, modularization are convenient for process.

Description

Oil tank heat dissipation module for transformer

Technical Field

The utility model relates to a transformer heat dissipation technical field specifically is an oil tank heat dissipation module for transformer.

Background

The high-frequency transformer generates copper loss and iron loss during operation, and the two losses are finally converted into heat energy, so that an iron core and a winding of the high-frequency transformer generate heat, and the temperature of the high-frequency transformer is increased; in addition, the winding is heated by current, and when the heat of the high-frequency transformer is dissipated to the environment to reach thermal balance, the temperature of each part of the high-frequency transformer is a stable value. If the temperature of each part of the high-frequency transformer exceeds the allowable range for a long time, especially if the oil temperature of the high-frequency transformer is higher than the normal temperature by more than 10 ℃ or the temperature is continuously increased, the insulation of the high-frequency transformer is easily damaged, and the high-frequency transformer is easily broken down by high voltage to cause faults or accidents. Therefore, the allowable temperature of the insulation is not allowed to be exceeded when the transformer is normally operated. The oil tank heat dissipation frame structure of current miniature transformer is integral usually, and not only processing difficulty but also installation are troublesome, are unfavorable for processing, and the heat dissipation of this structure is carried out the heat dissipation passively at radiating fin through setting up usually simultaneously, can't effectively dispel the heat to the corner of oil tank moreover, and it is inhomogeneous to cause the heat dissipation, and radiating efficiency is not high, influences the operation of transformer.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem that exists among the prior art, provide an oil tank radiating module for transformer that the radiating effect is good, the concatenation is convenient.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme: the utility model provides an oil tank heat radiation module for transformer, its characterized in that, includes crooked main part, crooked main part both sides be equipped with mosaic structure, crooked main part on still seted up the ventilation hole, the ventilation hole cross-section be triangle-shaped, ventilation hole inner wall still be equipped with the heat dissipation tooth of a plurality of even settings.

The utility model discloses a theory of operation: when the oil tank frame is assembled, the plurality of bent main bodies are spliced together through the splicing structure to form the oil tank frame, or the oil tank frame and other plane frames form a large-scale oil tank frame, and the bent main bodies are tightly attached to the outer surfaces of the corners of the oil tank; during operation, air enters from the lower portion of the vent hole, and heat transferred from the inside of the oil tank to the bent main body is taken away through the vent hole. By adopting the structure, the triangle has the characteristics of stable and firm structure, and has firm structure, simple processing, convenient assembly, uniform heat dissipation and good heat dissipation effect compared with the existing integral oil tank frame.

In foretell an oil tank heat radiation module for transformer, mosaic structure divide into sand grip and recess, crooked main part left side be equipped with the recess, the right side is equipped with the sand grip, recess and sand grip length unanimous with crooked main part length, recess and sand grip position still be equipped with trapezoidal arch, trapezoidal arch length unanimous with crooked main part length.

In the oil tank heat dissipation module for the transformer, the peripheral wall of the ventilation hole is provided with a plurality of heat dissipation fins.

In the oil tank heat dissipation module for the transformer, a gap is formed between the two heat dissipation fins.

In the oil tank heat dissipation module for the transformer, the number of the vent holes is two, and a fixing hole is arranged between the two vent holes.

In the oil tank heat dissipation module for the transformer, the vent hole is arranged between the bent main body and the heat dissipation fin.

In the oil tank heat dissipation module for the transformer, the bent main body is made of a nano aluminum alloy composite material.

In the oil tank heat dissipation module for the transformer, the thickness dimension of the bent main body is larger than that of the vent hole.

Compared with the prior art, the oil tank heat dissipation module for the transformer has the beneficial effects that: the utility model has the advantages of the heat dissipation is even, the radiating effect is good, simple to operate, convenient equipment, modularization are convenient for process.

Drawings

Fig. 1 is an isometric schematic view of the present invention;

fig. 2 is a schematic connection diagram of the present invention.

In the figure, 1, a main body is bent; 2. a vent hole; 3. a heat dissipating fin; 4. a notch; 5. splicing structures; 6. a fixing hole; 7. a convex strip; 8. a groove; 9. a heat dissipating tooth; 10. and the trapezoid is convex.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1-2, this an oil tank heat dissipation module for transformer includes crooked main part 1, 1 inner wall of crooked main part coincide transformer tank corner surface, 1 both sides of crooked main part be equipped with mosaic structure 5, crooked main part 1 on still seted up ventilation hole 2, 2 cross-sections in ventilation hole be triangle-shaped, 2 inner walls in ventilation hole still be equipped with a plurality of heat dissipation teeth 9 that evenly set up. The outer frame that 5 concatenation welding of mosaic structure were crossed to 1 buckets of a plurality of crooked main parts constitutes the small-size transformer tank together also can splice into the outer frame of large-scale transformer tank with a plurality of planar modules, and the processing of single transformer tank ventilation cooling concatenation piece is more convenient, and the modularized setting has improved production efficiency greatly, has reduced the processing cost, and the setting in ventilation hole 2 is bigger than original passive form radiating heat radiating area simultaneously, and the radiating effect is better.

In a further elaboration, mosaic structure 5 divide into sand grip 7 and recess 8, 1 left side of crooked main part be equipped with recess 8, the right side is equipped with sand grip 7, recess 8 and sand grip 7 length unanimous with 1 length of crooked main part, recess 8 and sand grip 7 position still be equipped with trapezoidal arch 10, trapezoidal arch 10 length unanimous with 1 length of crooked main part. By adopting the structure, the transformer has the advantages of convenient installation, suitability for transformers of various models, reduction of the burden of designers, contribution to modularized mass production, and easiness in management and maintenance.

In further detail, the peripheral wall of the ventilation hole 2 is provided with a plurality of radiating fins 3. Radiating fin 3 can further promote heat radiating area, improves the radiating efficiency in ventilation hole 2.

In more detail, the cross section of each radiating fin 3 is in a T shape or a 1 shape, and a gap 4 is formed between each two radiating fins 3. Adopt the setting of above-mentioned structure, be favorable to increasing heat radiating area, the radiating effect is higher, and the breach 4 that forms between two radiating fin 3 simultaneously can keep off the regional in breach 4 with some heat that the heat dissipation of 2 pipe walls in ventilation hole goes out, forms the passageway of similar ventilation hole 2, improves the radiating efficiency.

In a further elaboration, the number of the vent holes 2 is two, and a fixing hole 6 is arranged between the two vent holes 2. The fixing holes 6 can further fix the module and can also play a role in positioning during installation.

In further detail, three radiating fins 3 are arranged on each ventilating hole 2. More than three radiating fins 3 can be adopted, so that the radiating area is further increased.

In more detail, the vent hole 2 is disposed between the bending main body 1 and the heat dissipation fin 3. Adopt the setting of above-mentioned structure, can provide the efficient radiating effect, utilize the heat dissipation with the pipe wall fully, most heat is still along with the wind discharge that lets in.

In further detail, the bending main body 1 is made of a nano aluminum alloy composite material. The nano aluminum alloy composite material has the effects of light weight, high strength, high rigidity, high shear strength, small thermal expansion, high thermal stability, excellent electric conduction, heat conduction, wear resistance, corrosion resistance and the like. Can make the marine vessel not easy to be corroded. The nano aluminum alloy composite material has the advantages of light weight, high strength, high rigidity, high shear strength, small thermal expansion, high thermal stability, excellent electric conduction, heat conduction, wear resistance, corrosion resistance and the like, can be difficultly corroded during sea transportation, has a reinforcing effect far higher than that of micron-sized particles, has good interface bonding strength, has a smaller thermal expansion coefficient than that of micron-sized particles under the same volume fraction, is small in thermal residual stress, high in size stability, and improved in room temperature plasticity and high temperature creep property, and greatly improves the heat dissipation effect of the self-cooling heat dissipation assembly block of the transformer.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although terms such as the curved main body 1, the vent holes 2, the heat radiating fins 3, the notches 4, the splicing structures 5, the fixing holes 6, the convex strips 7, the grooves 8, the heat radiating teeth 9, the trapezoidal protrusions 10, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims (8)

1. The utility model provides an oil tank heat dissipation module for transformer, its characterized in that, includes crooked main part (1), crooked main part (1) both sides be equipped with mosaic structure (5), crooked main part (1) on still seted up ventilation hole (2), ventilation hole (2) cross-section be triangle-shaped, ventilation hole (2) inner wall still be equipped with heat dissipation tooth (9) of a plurality of even settings.

2. The oil tank heat dissipation module for the transformer according to claim 1, wherein the splicing structure (5) is divided into a convex strip (7) and a concave groove (8), the left side of the curved main body (1) is provided with the concave groove (8), the right side of the curved main body is provided with the convex strip (7), the lengths of the concave groove and the convex strip (7) are consistent with the length of the curved main body (1), the positions of the concave groove (8) and the convex strip (7) are also provided with trapezoidal protrusions (10), and the lengths of the trapezoidal protrusions (10) are consistent with the length of the curved main body (1).

3. The tank heat dissipation module for the transformer as recited in claim 1, wherein the peripheral wall of the vent hole (2) is provided with a plurality of heat dissipation fins (3).

4. A tank radiator module for transformers according to claim 3, characterized in that a gap (4) is formed between two of said fins (3).

5. The tank heat dissipation module for the transformer as recited in claim 1, wherein the number of the vent holes (2) is two, and a fixing hole (6) is provided between the two vent holes (2).

6. The tank radiator module for transformers according to claim 1, characterized in that said vent (2) is arranged between the curved body (1) and the fins (3).

7. The tank radiator module for transformers according to claim 1, characterized in that said curved body (1) is made of a nano-aluminum alloy composite material.

8. A tank radiator module for transformers according to claim 1, characterized in that said curved body (1) has a thickness dimension greater than the thickness dimension of the vent holes (2).

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