CN220456206U

CN220456206U - Radiating device of oil-immersed distribution transformer

Info

Publication number: CN220456206U
Application number: CN202321985854.0U
Authority: CN
Inventors: 刘兴慧; 杨亚运; 刘兴卫
Original assignee: Jiangsu Hengyi Transformer Co ltd
Current assignee: Jiangsu Hengyi Transformer Co ltd
Priority date: 2023-07-27
Filing date: 2023-07-27
Publication date: 2024-02-06
Anticipated expiration: 2033-07-27

Abstract

The utility model relates to an oil immersed type distribution transformer heat dissipation device, which belongs to the technical field of transformer equipment and comprises a bottom plate, wherein a transformer body is fixedly arranged at the top of the bottom plate, heat dissipation fins are fixedly arranged on the outer walls of two sides of the transformer body, heat dissipation mechanisms are arranged at the top of the bottom plate and positioned at two sides of the transformer body, and each heat dissipation mechanism comprises a cooling mechanism and an evacuating mechanism. The utility model has the beneficial effects that the heat dissipation mechanism is arranged, when the transformer is used, the switch of the condensing plate and the blowing fan is turned on, so that the condensing plate cools the surrounding air, the air moves to the first part of the heat conducting plate under the action of the blowing fan, and cools the first heat conducting plate, so that the temperature of the first heat conducting plate is lowered, meanwhile, the heat of the transformer body is concentrated through the heat dissipation plate when the transformer works, the temperature of the heat dissipation plate is raised, and meanwhile, the first heat conducting plate with lower temperature is under the action of the second heat conducting plate.

Description

Radiating device of oil-immersed distribution transformer

Technical Field

The utility model relates to the technical field of transformer equipment, in particular to a heat dissipation device of an oil-immersed distribution transformer.

Background

A transformer is a device for changing an ac voltage using the principle of electromagnetic induction, and the main components are a primary coil, a secondary coil, and an iron core (magnetic core). In electrical equipment and wireless circuits, it is often used as a step-up voltage, a matching impedance, a safety isolation, etc. In a generator, an electrical potential is induced in the coil, whether the coil is moved through a magnetic field or a magnetic field is moved through a stationary coil. In both cases, the value of the magnetic flux is unchanged, but the amount of the magnetic flux crossing the coil varies, which is the principle of mutual induction. A transformer is a device that converts voltage, current and impedance using electromagnetic mutual induction.

The transformer component comprises a transformer body (iron core, winding, insulation and lead), transformer oil, an oil tank, a cooling device, a voltage regulating device, a protecting device (a moisture absorber, a safe air passage, a gas relay, an oil storage tank, a temperature measuring device and the like) and an outgoing line sleeve. The oil immersed transformer is a novel high-performance transformer with more reasonable structure and better performance, and the three core columns of the three-dimensional rolled iron core are arranged in an equilateral triangle, so that air gaps are avoided in magnetic circuits, the winding is tighter, the lengths of the three magnetic circuits are consistent, the three magnetic circuits are shortest, the cross section area of the core column of the iron core is more similar to a circle, therefore, the performance is further improved, the loss is reduced, the noise is reduced, three items are balanced, and the third harmonic component is reduced.

The transformer heat abstractor of prior art still has following shortcoming, and the heat dissipation of current oil-immersed power distribution transformer often is to heat dissipation is derived through being equipped with multiunit fin, and its radiating effect is relatively poor, and radiating efficiency is lower, and the radiating rate is slower, easily leads to oil-immersed power distribution transformer at the during operation too high temperature, and then easily leads to the work of transformer to go wrong, leads to its unable normal use even.

Disclosure of Invention

To solve the problems set forth in the background art. The utility model provides a heat dissipation device of an oil-immersed distribution transformer, which is provided with a heat dissipation mechanism and is used for solving the problems that the existing oil-immersed distribution transformer is prone to heat dissipation by leading out heat through arranging a plurality of groups of heat dissipation fins, the heat dissipation effect is poor, the heat dissipation efficiency is low, the heat dissipation speed is low, the temperature of the oil-immersed distribution transformer is easy to be too high during working, the working of the transformer is easy to be caused, and even the transformer cannot be used normally.

The technical scheme of the utility model is as follows: the heat dissipation device of the oil-immersed distribution transformer comprises a bottom plate, wherein a transformer body is fixedly arranged at the top of the bottom plate, heat dissipation fins are fixedly arranged on the outer walls of two sides of the transformer body, heat dissipation mechanisms are arranged at the top of the bottom plate and positioned at two sides of the transformer body, and each heat dissipation mechanism comprises a cooling mechanism and an evacuating mechanism;

the cooling mechanism comprises a mounting plate, a condensing plate, a blowing fan, a connecting rod, a first heat conducting plate, a heat conducting sleeve and a second heat conducting plate, wherein the mounting plate is fixedly arranged at the top of the bottom plate and positioned on two sides of the transformer body, the connecting rod is fixedly arranged at the top of the mounting plate, bolts are arranged on internal threads of the connecting rod, the connecting rod and the first heat conducting plate are detachably arranged through the bolts, the heat conducting sleeve is fixedly arranged on one side of the first heat conducting plate, the heat conducting sleeve is positioned on the outer side of the radiating fin, and the second heat conducting plate is clamped at a gap between the heat conducting sleeve and the radiating fin.

Further, the inside of bottom plate is opened there is the mounting hole, and is located the four corners edge department of bottom plate.

Further, the evacuation mechanism comprises a top plate, a cooling fan and a protective net, wherein the top plate is fixedly arranged at the top of the connecting rod, the cooling fan is fixedly arranged in the top plate, and the protective net is fixedly arranged at an output port of the cooling fan.

Further, the connecting rod is provided with a plurality of groups, and the other end of the connecting rod is welded with the outer wall of the transformer body.

Further, the inside of mounting panel is opened there is logical groove and mounting groove, condensate plate fixed mounting is on the inner wall in logical groove, blowing fan fixed mounting is in the inside of mounting groove.

Further, a connecting structure is arranged at the top of the transformer body.

Compared with the prior art, the heat dissipation device of the oil-immersed distribution transformer provided by the utility model has the following improvements and advantages:

through being equipped with heat dissipation mechanism, during the use, open the switch of condensation plate and blowing fan, and then the condensation plate cools down to the air around, its air removes to heat conduction plate one department under the effect of blowing fan, and cool down to heat conduction plate one, and then make the temperature of heat conduction plate one reduce, the transformer body concentrates through the fin at the during operation simultaneously, make the temperature of fin rise, the heat conduction plate one of temperature lower can carry out heat exchange processing to the temperature of fin under the effect of heat conduction plate two simultaneously, and then reduce the temperature of fin, and then open the switch of cooling fan, and then make the air around the fin discharge fast, make the lower air of blowing fan blow move to the periphery of fin, and then carry out rapid cooling to the fin, adopt air cycle and heat exchange's mode to cool down fast, the radiating effect is better, the radiating efficiency is higher, the radiating speed is faster, difficult for leading to oily distribution transformer temperature to be too high at the during operation, long-time normal use of transformer.

Drawings

The utility model is further explained below with reference to the drawings and examples:

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a cross-sectional top view of the present utility model;

FIG. 4 is a schematic top view of the present utility model;

reference numerals illustrate: 1. a bottom plate; 2. a mounting hole; 3. a transformer body; 4. a heat sink; 5. a first heat conducting plate; 6. a heat conducting sleeve; 7. a connecting rod; 8. a mounting plate; 9. a condensing plate; 10. a through groove; 11. an air blowing fan; 12. a protective net; 13. a heat radiation fan; 14. a top plate; 15. and a second heat conducting plate.

Detailed Description

The following detailed description of the present utility model will provide clear and complete description of the technical solutions of the embodiments of the present utility model, with reference to fig. 1 to 4, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides an oil-immersed distribution transformer heat dissipation device through improvement, as shown in figures 1-4, the oil-immersed distribution transformer heat dissipation device comprises a bottom plate 1, wherein a transformer body 3 is fixedly arranged at the top of the bottom plate 1, a connecting structure is arranged at the top of the transformer body 3 and is used for wiring of a transformer, heat dissipation fins 4 are fixedly arranged on the outer walls of two sides of the transformer body 3, heat dissipation mechanisms are arranged at the top of the bottom plate 1 and positioned at two sides of the transformer body 3, and each heat dissipation mechanism comprises a cooling mechanism and an evacuating mechanism;

the cooling mechanism comprises a mounting plate 8, a condensing plate 9, a blowing fan 11, a connecting rod 7, a first heat conducting plate 5, a heat conducting sleeve 6 and a second heat conducting plate 15, wherein the condensing plate 9 can be formed by assembling a plurality of groups of condensing sheets which are directly purchased in the market, the condenser can also be adopted for use, the connecting rod 7 is provided with a plurality of groups, the other end of the connecting rod 7 is welded with the outer wall of the transformer body 3, the mounting plate 8 is fixedly arranged at the top of the bottom plate 1 and is positioned at two sides of the transformer body 3, the connecting rod 7 is fixedly arranged at the top of the mounting plate 8, bolts are arranged on the internal threads of the connecting rod 7, the connecting rod 7 and the first heat conducting plate 5 are detachably arranged through bolts, the heat conducting sleeve 6 is fixedly arranged at one side of the first heat conducting plate 5, the heat conducting sleeve 6 is positioned at the outer side of the heat radiating fin 4, the gap between the heat conducting sleeve 6 and the heat radiating fin 4 is clamped with the second heat conducting plate 15, the mounting hole 2 is arranged in the bottom plate 1, the installation holes 2 can be fixed to proper positions through the installation screws, the transformer body 3 is installed and is positioned at the edges of four corners of the bottom plate 1, through grooves 10 and installation grooves are formed in the installation plate 8, the condensation plate 9 is fixedly installed on the inner wall of the through grooves 10, the blowing fan 11 is fixedly installed in the installation groove, by the aid of the heat dissipation mechanism, when the transformer is used, the switch of the condensation plate 9 and the blowing fan 11 is turned on, the condensation plate 9 cools ambient air, the air moves to the first heat conducting plate 5 under the action of the blowing fan 11 and cools the first heat conducting plate 5, the temperature of the first heat conducting plate 5 is lowered, meanwhile, the heat of the transformer body 3 is concentrated through the heat dissipation plate 4 during operation, the temperature of the heat dissipation plate 4 is raised, the first heat conducting plate 5 with lower temperature is under the action of the second heat conducting plate 15, can carry out heat exchange treatment to the temperature of fin 4, and then reduce the temperature of fin 4, adopt air cycle and heat exchange's mode to carry out rapid cooling, the radiating effect is better, and radiating efficiency is higher, and the radiating rate is faster, is difficult for leading to oil-immersed distribution transformer to be too high at during operation temperature, long-time normal use of transformer.

The evacuation mechanism comprises a top plate 14, a cooling fan 13 and a protection net 12, the protection net 12 is favorable for preventing external foreign matters from touching blades of the cooling fan 13, the cooling fan 13 is favorable for better protecting the cooling fan 13, the top plate 14 is fixedly arranged at the top of the connecting rod 7, the cooling fan 13 is fixedly arranged in the top plate 14, the protection net 12 is fixedly arranged at an output port of the cooling fan 13, a switch of the cooling fan 13 is opened, air around the cooling fin 4 is further rapidly discharged, the air with lower temperature blown by the blowing fan 11 is moved to the periphery of the cooling fin 4, the cooling fin 4 is further rapidly cooled, an external power supply is externally connected to the device, electric energy is supplied to the device, the device is externally connected to a controller, the controller is a PLC (programmable logic controller) board, and can be used after being debugged by staff from the market, and the controller is electrically connected with the cooling fan 13, the blowing fan 11 and the condensing plate 9.

Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional modes in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that details are not described in detail in the specification, and the utility model belongs to the prior art known to the person skilled in the art.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides an oil-immersed distribution transformer heat abstractor, includes bottom plate (1), its characterized in that: the transformer comprises a transformer body (3) fixedly arranged at the top of a bottom plate (1), radiating fins (4) are fixedly arranged on the outer walls of two sides of the transformer body (3), radiating mechanisms are arranged at the top of the bottom plate (1) and positioned at two sides of the transformer body (3), and each radiating mechanism comprises a cooling mechanism and an evacuating mechanism;

the cooling mechanism comprises a mounting plate (8), a condensing plate (9), an air blowing fan (11), a connecting rod (7), a first heat conducting plate (5), a heat conducting sleeve (6) and a second heat conducting plate (15), wherein the mounting plate (8) is fixedly mounted at the top of a bottom plate (1) and is located at two sides of a transformer body (3), the connecting rod (7) is fixedly mounted at the top of the mounting plate (8), bolts are mounted on the internal threads of the connecting rod (7), the connecting rod (7) and the first heat conducting plate (5) are detachably mounted through the bolts, the heat conducting sleeve (6) is fixedly mounted on one side of the first heat conducting plate (5), the heat conducting sleeve (6) is located on the outer side of a radiating fin (4), and the joint of the gap between the heat conducting sleeve (6) and the radiating fin (4) is provided with the second heat conducting plate (15).

2. The oil immersed distribution transformer heat sink of claim 1, wherein: the inside of the bottom plate (1) is provided with mounting holes (2) and is positioned at the four corner edges of the bottom plate (1).

3. The oil immersed distribution transformer heat sink of claim 1, wherein: the evacuation mechanism comprises a top plate (14), a cooling fan (13) and a protective screen (12), wherein the top plate (14) is fixedly arranged at the top of the connecting rod (7), the cooling fan (13) is fixedly arranged in the top plate (14), and the protective screen (12) is fixedly arranged at an output port of the cooling fan (13).

4. The oil immersed distribution transformer heat sink of claim 1, wherein: the connecting rods (7) are provided with a plurality of groups, and the other ends of the connecting rods (7) are welded with the outer wall of the transformer body (3).

5. The oil immersed distribution transformer heat sink of claim 1, wherein: the inside of mounting panel (8) is opened there is logical groove (10) and mounting groove, condensation plate (9) fixed mounting is on the inner wall of logical groove (10), blowing fan (11) fixed mounting is in the inside of mounting groove.

6. The oil immersed distribution transformer heat sink of claim 1, wherein: the top of the transformer body (3) is provided with a connecting structure.