CN210668007U - Transformer - Google Patents

Transformer Download PDF

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Publication number
CN210668007U
CN210668007U CN201921881242.0U CN201921881242U CN210668007U CN 210668007 U CN210668007 U CN 210668007U CN 201921881242 U CN201921881242 U CN 201921881242U CN 210668007 U CN210668007 U CN 210668007U
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CN
China
Prior art keywords
transformer
tank frame
heat dissipation
air guide
transformer according
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Active
Application number
CN201921881242.0U
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Chinese (zh)
Inventor
吴振锋
曾小明
余婵
高云
吴利华
范水明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Quzhou Hangyong Transformer Co ltd
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Quzhou Hangyong Transformer Co ltd
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Priority to CN201921881242.0U priority Critical patent/CN210668007U/en
Application granted granted Critical
Publication of CN210668007U publication Critical patent/CN210668007U/en
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Abstract

The utility model provides a transformer belongs to transformer heat dissipation technical field. It has solved current transformer and has carried out passive heat dissipation through the radiating fin who sets up on transformer tank frame usually, however the radiating efficiency of this kind of structure is not high, influences the problem of the operation of transformer. The utility model discloses a transformer body and set up the oil tank frame main part outside transformer body, oil tank frame main part side encloses the guide duct that has a plurality of vertical settings, and guide duct cross sectional shape is triangle-shaped. The utility model has the advantages of firm structure, good heat dissipation effect and convenient assembly.

Description

Transformer
Technical Field
The utility model relates to a transformer heat dissipation technical field specifically is a 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 existing transformer is generally passively cooled through the cooling fins arranged on the outer oil tank frame of the transformer, however, the structure is easy to deform, the cooling effect is poor, and the operation of the transformer is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a transformer to the above-mentioned problem that exists among the prior art.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme: the transformer comprises a transformer main body and an oil tank frame main body arranged outside the transformer main body, and is characterized in that a plurality of vertically arranged air guide pipes are surrounded on the side surface of the oil tank frame main body, and the cross sections of the air guide pipes are triangular.
The utility model discloses a theory of operation: when the transformer works, cold air at the bottom of the transformer rises by heating by utilizing the principle that hot air rises, and takes away heat of the oil tank frame main body when passing through the air guide pipe, and the triangular air guide pipe has the advantages of stability, firmness and pressure resistance. Adopt the setting of above-mentioned structure, compare current heat radiation structure, can effectively improve the stability and the fastness of structure, the radiating effect is good simultaneously.
In the transformer, the outer wall of the air guide pipe is also provided with a plurality of uniformly arranged radiating fins, and the length of the radiating fins is consistent with that of the air guide pipe.
In the transformer, the oil tank frame main body and the air guide pipe are both made of nano aluminum alloy composite materials.
In the transformer, the inner wall of the air guide pipe is also provided with a plurality of uniformly arranged heat dissipation teeth.
In the transformer, the oil tank frame body is divided into a bending part and a plane part, the two sides of the bending part and the plane part are respectively provided with a splicing structure, the bending part is arranged at the corner of the oil tank frame body, and the plane part is arranged at the plane of the oil tank frame body.
In the transformer, the splicing structure comprises a trapezoidal protrusion, and a convex strip or a groove is arranged on the trapezoidal protrusion.
In the transformer, the bending angle of the tank frame body with the bending portion is 90 °.
In the transformer, the heat dissipation fins on the oil tank frame main body of the planar portion are all vertically arranged relative to the oil tank frame main body.
In the transformer, a fixing hole is further formed at a center line of the bending portion.
Compared with the prior art, the transformer adopting the technical scheme has the beneficial effects that: the utility model has the advantages of firm structure, good heat dissipation effect and convenient assembly.
Drawings
Fig. 1 is an isometric schematic view of the present invention;
fig. 2 is a plan view of the fuel tank frame body of the present invention;
FIG. 3 is a schematic axial view of the main body of the fuel tank frame of the present invention;
FIG. 4 is a schematic view of an embodiment of the present invention;
fig. 5 is a schematic view of another embodiment of the present invention.
In the figure, 1, a tank frame body; 2. an air guide pipe; 3. a heat dissipating fin; 4. a heat dissipating tooth; 5. a fixing hole; 6. a bending section; 7. a planar portion; 8. splicing structures; 9. a trapezoidal protrusion; 10. a convex strip; 11. a groove; 12. a transformer body.
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. 1-5, the transformer comprises a transformer main body 12 and an oil tank frame main body 1 arranged outside the transformer main body 12, wherein a plurality of vertically arranged air guide pipes 2 are surrounded on the side surface of the oil tank frame main body 1, and the cross sections of the air guide pipes 2 are triangular. The radiating effect of forced cooling phase comparison passive form heat dissipation promotes greatly, and the fastness that the structure of triangle-shaped promoted greatly.
In a further elaboration, the outer wall of the air guide pipe 2 is also provided with a plurality of radiating fins 3 which are uniformly arranged, and the length of each radiating fin 3 is consistent with that of the air guide pipe 2. The heat dissipation area is increased, and the heat dissipation efficiency is improved.
In more detail, the oil tank frame body 1 and the air guide pipe 2 are both made of nano aluminum alloy composite materials. 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 transformer.
In more detail, three radiating fins 3 are arranged on each air guide pipe 2, and the cross section of each radiating fin 3 is in a T shape or a 1 shape. The number of the radiating fins 3 can be more than three, and the number of the radiating fins 3 is preferably three, so that the distances among the six radiating fins 3 on the two air guide pipes 2 are basically consistent, the radiating effect is good, and the radiating effect is more harmonious and attractive.
In a further elaboration, the inner wall of the air guide pipe 2 is also provided with a plurality of uniformly arranged heat dissipation teeth 4. The heat dissipation area is increased, and the heat dissipation efficiency is improved.
In more detail, the inner wall of the air guide pipe 2 and the outer surface of the heat dissipation teeth 4 are both provided with corrugated bulges 5. The heat dissipation area is increased, and the heat dissipation efficiency is improved.
In a further elaboration, the oil tank frame main body 1 be divided into a bending portion 6 and a plane portion 7, the two sides of the bending portion 6 and the plane portion 7 are both provided with a splicing structure 8, the bending portion 6 is arranged at a corner of the oil tank frame main body 1, and the plane portion 7 is arranged at a plane of the oil tank frame main body 1. Adopt the modularization setting, can make things convenient for processing and the installation of this oil tank, be fit for mass production simultaneously and come reduction in production cost. Also be equipped with heat radiation structure in the corner of oil tank for the heat dissipation of oil tank is more even, has promoted the radiating effect greatly, has guaranteed the normal operating of transformer. The bent portion 6 may have any angle such as a right angle, an obtuse angle, and an acute angle.
By adopting the structure, the oil tank frame body 1 of the transformer can form shapes such as square, rectangle, ellipse, triangle and the like, and the combination mode is various. Fig. 2 is a schematic diagram of a square combination.
In further detail, the splicing structure 8 comprises a trapezoidal protrusion 9, and a convex strip 10 or a groove 11 is arranged on the trapezoidal protrusion 9. Trapezoidal arch 9 can increase the welding area of junction, promotes the intensity of junction simultaneously, and sand grip 10 and the cooperation of recess 11 are connected.
In more detail, the bending angle of the bending part 6 of the oil tank frame main body 1 is 90 degrees. The bending part is provided with a round angle.
In more detail, the heat dissipation fins 3 on the tank frame body 1 of the planar portion 7 are all vertically arranged with respect to the tank frame body 1. The space utilization rate is improved, and the heat dissipation is more uniform.
In more detail, a fixing hole 5 is further formed in the center line of the bending portion 6.
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 the terms of the tank frame body 1, the air guide duct 2, the heat dissipation fins 3, the heat dissipation teeth 4, the fixing holes 5, the bent portions 6, the flat portions 7, the splicing structures 8, the trapezoidal protrusions 9, the convex strips 10, the grooves 11, the transformer body 12, and the like are used more frequently, 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 (9)

1. The transformer is characterized by comprising a transformer main body (12) and an oil tank frame main body (1) arranged outside the transformer main body (12), wherein a plurality of vertically arranged air guide pipes (2) are surrounded on the side surface of the oil tank frame main body (1), and the cross sections of the air guide pipes (2) are triangular.
2. The transformer according to claim 1, wherein the outer wall of the air guide tube (2) is further provided with a plurality of uniformly arranged heat dissipation fins (3), and the length of each heat dissipation fin (3) is consistent with that of the air guide tube (2).
3. The transformer according to claim 1, wherein the tank frame body (1) and the air guide duct (2) are made of nano aluminum alloy composite materials.
4. The transformer according to claim 1, characterized in that the inner wall of the air duct (2) is further provided with a plurality of uniformly arranged heat dissipation teeth (4).
5. A transformer according to claim 1, characterized in that the tank frame body (1) is divided into a curved portion (6) and a flat portion (7), the curved portion (6) and the flat portion (7) are provided with splicing structures (8) on both sides, the curved portion (6) is arranged at the corner of the tank frame body (1), and the flat portion (7) is arranged at the flat surface of the tank frame body (1).
6. A transformer according to claim 5, characterized in that said splicing structure (8) comprises trapezoidal protrusions (9), said trapezoidal protrusions (9) being provided with ribs (10) or grooves (11).
7. A transformer according to claim 5, characterized in that the bending portion (6) is bent at an angle of 90 °.
8. A transformer according to claim 5, characterized in that the fins (3) of the planar portion (7) are all arranged vertically with respect to the body of the tank frame (1).
9. A transformer according to claim 5, characterized in that the centre line of the bend (6) is provided with a fixing hole (5).
CN201921881242.0U 2019-11-04 2019-11-04 Transformer Active CN210668007U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921881242.0U CN210668007U (en) 2019-11-04 2019-11-04 Transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921881242.0U CN210668007U (en) 2019-11-04 2019-11-04 Transformer

Publications (1)

Publication Number Publication Date
CN210668007U true CN210668007U (en) 2020-06-02

Family

ID=70822993

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921881242.0U Active CN210668007U (en) 2019-11-04 2019-11-04 Transformer

Country Status (1)

Country Link
CN (1) CN210668007U (en)

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