CN214705654U

CN214705654U - Cooling structure of dry-type transformer

Info

Publication number: CN214705654U
Application number: CN202120847944.8U
Authority: CN
Inventors: 陈勇; 周鹏; 李云; 孙国平; 王德华
Original assignee: Zhenjiang Tianli Transformer Ltd corp
Current assignee: Zhenjiang Tianli Transformer Ltd corp
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-11-12
Anticipated expiration: 2031-04-23

Abstract

The utility model discloses a cooling structure of a dry-type transformer, which comprises a fixed back plate, a cooling box and a heat dissipation component, wherein the cooling box is arranged on the fixed back plate, the cooling box is connected with the cooling component, a liquid return pipeline and a material conveying pipeline are connected between the cooling component and the cooling box, a cooling cavity is arranged in the cooling box, cooling liquid is filled in the cooling cavity, a cooler is arranged in the cooling cavity, the cooling box is arranged below the cooling cavity and is connected with a circulating pump body, the circulating pump body is communicated with the liquid return pipeline and the material conveying pipeline, one side of the cooling box is provided with the heat dissipation component, the utility model utilizes the heat dissipation fan in the heat dissipation component to carry out daily heat dissipation when in use, and utilizes the cooling component of the circulating cooling liquid to directly laminate and cool an inner core of the transformer, the cooling structure has two groups of heat dissipation cooling structures, so that the overall heat dissipation cooling effect is good.

Description

Cooling structure of dry-type transformer

Technical Field

The utility model relates to a dry-type transformer spare part technical field specifically is a cooling structure of dry-type transformer.

Background

The transformer is mainly divided into a dry type transformer and oil immersed transformer oil, wherein the dry type transformer mainly refers to a transformer with an iron core and a winding which are not immersed in insulating oil, and the dry type transformer is mainly used for daily local illumination, high-rise buildings and airport lamp places due to the characteristics of high mechanical strength, strong short-circuit resistance, small local discharge, long service life, low loss and low noise.

When the dry-type transformer works, an inner iron core and a winding can generate a large amount of heat, the heat needs to be eliminated in time, the dry-type transformer is easy to work unstably when running at a high temperature for a long time, and the conventional dry-type transformer is mainly cooled by a single cooling fan set, so that the effect is not ideal.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cooling structure of dry-type transformer to dry-type transformer in solving above-mentioned background art can produce a large amount of heats at the during operation, inside iron core and winding, need in time eliminate the heat, and long-time operation is under high temperature state, makes dry-type transformer job stabilization easily, and current dry-type transformer mainly utilizes single radiator fan group to cool down, makes the unsatisfactory problem of effect.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cooling structure of dry-type transformer, includes fixed backplate, cooler bin and radiator unit, the cooler bin is installed on fixed backplate, the cooler bin connects the cooling unit, be connected with return liquid pipeline and defeated material pipeline between cooling unit and the cooler bin, be equipped with the cooling chamber in the cooler bin, the packing of cooling intracavity has the coolant liquid, install the cooler in the cooling chamber, the cooler bin is located the cooling chamber below and connects the circulation pump body, the circulation pump body and return liquid pipeline, defeated material pipeline intercommunication, one side of cooler bin is equipped with radiator unit.

As further preferable in the present technical solution: the upper surface mounting of cooling module has the fin, and the fin is provided with the multiunit, cooling module's both sides are equipped with the welded fastening piece.

As further preferable in the present technical solution: the cooling assembly comprises a connector, a soft rubber plate, a cooling pipe, heat-conducting silica gel, soft magnets and an adhesive layer, wherein a wiring cavity is formed in the soft rubber plate, the cooling pipe is arranged in the wiring cavity and wound by an S-shaped coil, the connectors are connected to two ends of the cooling pipe, the wiring cavity is located around the cooling pipe and is filled with the heat-conducting silica gel, the soft rubber plate is located below the wiring cavity and is provided with the soft magnets, and the adhesive layer is arranged on the surface of the soft rubber plate.

As further preferable in the present technical solution: the upper surface of flexible glue board has seted up the inserting groove, the bayonet joint is installed to the bottom of fin, the bayonet joint is pegged graft in the inserting groove, the fin passes through inserting groove and bayonet joint demountable installation on the flexible glue board.

As further preferable in the present technical solution: the welding fixing piece comprises a welding piece, a welding flux and a connecting rubber strip, the connecting rubber strip is arranged at one end of the welding piece, the other side of the connecting rubber strip is connected to the cooling assembly, and the welding flux is wrapped on the surface of one side of the welding piece.

As further preferable in the present technical solution: the heat dissipation assembly comprises a fan installation box, a mounting frame, a heat dissipation fan and a dust cover, wherein the mounting frame is fixed in the fan installation box, the heat dissipation fan is installed on the mounting frame and provided with a plurality of groups, and the dust cover is buckled at an opening of the fan installation box.

As further preferable in the present technical solution: the cooling assembly is provided with a plurality of groups, and cooling pipes in the cooling assembly are communicated through pipelines.

The utility model provides a cooling structure of dry-type transformer possesses following beneficial effect:

(1) the utility model discloses a set up cooler bin and cooling module, and utilize the pipe connection between the cooling module, realize multiunit cooling module and assemble, so as to be applicable to different heat radiating area, utilize the return liquid pipeline with cooling module simultaneously, defeated material pipeline is connected with the cooler bin, coolant liquid with in the cooler bin circulates at the cooling module, laminate cooling module on the transformer inner core, be convenient for quick cooling, simultaneously at the inside heat conduction silica gel that sets up of cooling module, and set up the multiunit fin on cooling module, when using, the supplementary heat dissipation that can be quick, realize quick radiating purpose.

(2) The utility model discloses an mainly adopting the flexible glue board with cooling module, the cooling tube, heat conduction silica gel, soft magnet and viscose layer are constituteed, arrange soft magnet in the flexible glue board, fix the viscose layer in the flexible glue board bottom surface, during the use, utilize soft magnet to adsorb the transformer inner shell, utilize the viscose layer to paste simultaneously, reach the fixed of installation, this kind of mounting means is simple, can install on required radiating article according to the demand, set up the welding stationary blade in cooling module's both sides simultaneously, can be according to the installation demand, with welding stationary blade welding on the transformer, realize consolidating the connection.

(3) The utility model discloses a set up radiator unit, connect multiunit cooling module's cooler bin, during the use, cooling fan in the usable radiator unit carries out daily heat dissipation, and the cooling module that utilizes the recirculated cooling liquid directly laminates the cooling to the transformer inner core, has two sets of heat dissipation cooling structures for whole heat dissipation cooling effect is good.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the cooling module of the present invention;

FIG. 3 is a schematic view of the installation structure between the flexible glue board and the cooling pipe of the present invention;

fig. 4 is an enlarged schematic structural diagram of a in fig. 2 according to the present invention.

In the figure: 1. fixing the back plate; 2. a cooling tank; 3. a cooler; 4. a cooling chamber; 5. a circulating pump body; 6. a fan installation box; 7. a mounting frame; 8. a heat radiation fan; 9. a dust cover; 10. a heat dissipating component; 11. a return line; 12. a material conveying pipeline; 13. a cooling assembly; 14. a heat sink; 15. welding a fixing sheet; 16. a connecting port; 17. a soft rubber plate; 18. a cooling tube; 19. heat conducting silica gel; 20. soft magnetic iron; 21. an adhesive layer; 22. inserting grooves; 23. a plug-in connector; 24. a wiring cavity; 25. welding the sheet; 26. welding flux; 27. and connecting the rubber strips.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-4, the utility model provides a technical solution: the utility model provides a cooling structure of dry-type transformer, including fixed backplate 1, cooler bin 2 and radiator unit 10, cooler bin 2 is installed on fixed backplate 1, cooler bin 2 connects cooling unit 13, be connected with liquid return pipeline 11 and defeated material pipeline 12 between cooler bin 13 and the cooler bin 2, be equipped with cooling chamber 4 in the cooler bin 2, the intussuseption of cooling chamber 4 is filled with the coolant liquid, install cooler 3 in the cooling chamber 4, cooler bin 2 is located 4 below connection circulation pump bodies 5 in the cooling chamber, circulation pump bodies 5 and liquid return pipeline 11, defeated material pipeline 12 communicates, one side of cooler bin 2 is equipped with radiator unit 10.

In this embodiment, specifically: the upper surface of the cooling component 13 is provided with a plurality of groups of radiating fins 14, welding fixing pieces 15 are arranged on two sides of the cooling component 13, and the welding fixing pieces 15 are used for increasing installation measures, so that the cooling component has a plurality of installation modes.

In this embodiment, specifically: the cooling component 13 comprises a connector 16, a soft rubber plate 17, a cooling pipe 18, heat-conducting silica gel 19, soft magnets 20 and an adhesive layer 21, a wiring cavity 24 is arranged in the soft rubber plate 17, the cooling pipe 18 is arranged in the wiring cavity 24, the cooling pipe 18 is coiled in an S shape, two ends of the cooling pipe 18 are connected with the connectors 16, the wiring cavity 24 is positioned around the cooling pipe 18 and is filled with heat-conducting silica gel 19, the soft rubber plate 17 is positioned below the wiring cavity 24 and is provided with soft magnets 20, the surface of the soft rubber plate 17 is provided with an adhesive layer 21, when the cooling pipe is installed, the bottom surface of the soft rubber plate 17 is stuck on the outer shell of the inner core of the transformer by an adhesive layer 21 and is adsorbed and fixed by a soft magnet 20, the installation can be completed, the installation mode is simple, the cooling liquid refrigerated by the cooler 3 in the cooling box 2 flows in the machine box in the cooling pipe 18 in the plurality of groups of cooling assemblies 13 under the action of the circulating pump body 5, and the purpose of quickly cooling the inner core of the transformer is achieved.

In this embodiment, specifically: the inserting groove 22 is formed in the upper surface of the soft rubber plate 17, the inserting head 23 is installed at the bottom end of the radiating fin 14, the inserting head 23 is inserted into the inserting groove 22, the radiating fin 14 is detachably installed on the soft rubber plate 17 through the inserting groove 22 and the inserting head 23, the radiating fin 14 is detachably connected with the soft rubber plate 17, the radiating fin 14 can be installed as required, and the distance between the radiating fins 14 is controlled.

In this embodiment, specifically: the welding fixing piece 15 includes welding sheet 25, welding flux 26 and connection rubber strip 27, the one end of welding sheet 25 is provided with connection rubber strip 27, the opposite side of connection rubber strip 27 is connected on cooling module 13, a side surface coating of welding sheet 25 has welding flux 26, during the use, can weld welding sheet 25 in required position, reach the purpose of consolidating the installation, set up welding flux 26 on welding sheet 25, but the supplementary welding effect, and set up connection rubber strip 27 between welding sheet 25 and the cooling module 13, when the later stage is dismantled, can directly cut off connection rubber strip 27 can, and is simple and convenient.

In this embodiment, specifically: radiator unit 10 includes fan install bin 6, mounting bracket 7, radiator fan 8 and dust cover 9, fan install bin 6 internal fixation mounting bracket 7, radiator fan 8 installs on mounting bracket 7, and radiator fan 8 is provided with the multiunit, fan install bin 6's opening part lock has dust cover 9, during the use, utilize the circulation of air in the wind-force accelerating transformer that multiunit radiator fan 8 produced, reach radiating purpose, moreover through lock dust cover 9 on fan install bin 6, dust cover 9 is taken off in the later stage of being convenient for, maintain radiator fan 8.

In this embodiment, specifically: the cooling module 13 is provided with a plurality of groups, and the cooling pipes 18 in the cooling module 13 are communicated through pipelines, and during use, the cooling modules 13 are connected in series according to actual requirements to wrap the part needing heat dissipation.

It should be noted that, when working, the cooling assembly 13 is made up of the soft rubber plate 17, the cooling tube 18, the heat conducting silica gel 19, the soft magnet 20 and the adhesive layer 21, the cooling tube 18 is arranged in the soft rubber plate 17 in the S shape, the heat conducting silica gel 19 is filled outside the cooling tube 18, the soft magnet 20 and the adhesive layer 21 are arranged at the bottom of the soft rubber plate 17, when installing, the bottom surface of the soft rubber plate 17 is adhered to the transformer core shell by the adhesive layer 21, and the soft magnet 20 is used for adsorption and fixation, thus the installation can be completed, the installation mode is simple, and according to the size of the transformer core shell, a plurality of groups of cooling assemblies 13 can be wrapped on the surface, when installing, when needing reinforcement, the cooling assemblies can be directly welded at the required positions by the welding fixing pieces 15, so as to achieve the purpose of reinforcement, the cooling tubes 18 in the plurality of groups of cooling assemblies 13 are connected by the pipeline, the first group of cooling assemblies 13 are communicated with a material conveying pipeline 12, the last group of cooling assemblies 13 are connected with a liquid return pipeline 11, when the cooling device is used, cooling liquid refrigerated by a cooler 3 in a cooling box 2 flows in a machine box in cooling pipes 18 in the groups of cooling assemblies 13 under the action of a circulating pump body 5, the purpose of quickly cooling the inner core of a transformer is achieved, direct fitting is achieved, the direct cooling effect is good, multiple groups of radiating fins 14 are mounted on the surface of each cooling assembly 13, heat can be quickly transmitted to the radiating fins 14 by utilizing heat conducting silica gel 19 to achieve auxiliary heat dissipation, the purpose of quickly dissipating heat is achieved, daily heat dissipation can also be achieved by utilizing wind power generated by a cooling fan 8 in each radiating assembly 10, the cooling structure is provided with two groups of heat dissipation cooling measures, the whole heat dissipation cooling effect is good, and the cooling speed is high.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cooling structure of dry-type transformer, includes fixed backplate (1), cooler bin (2) and radiator unit (10), its characterized in that: the cooling box (2) is installed on a fixed back plate (1), the cooling assembly (13) is connected to the cooling box (2), a liquid return pipeline (11) and a material conveying pipeline (12) are connected between the cooling assembly (13) and the cooling box (2), a cooling cavity (4) is arranged in the cooling box (2), cooling liquid is filled in the cooling cavity (4), a cooler (3) is installed in the cooling cavity (4), the cooling box (2) is located below the cooling cavity (4) and connected with a circulating pump body (5), the circulating pump body (5) is communicated with the liquid return pipeline (11) and the material conveying pipeline (12), and a heat dissipation assembly (10) is arranged on one side of the cooling box (2).

2. A cooling structure of a dry type transformer according to claim 1, wherein: the upper surface mounting of cooling module (13) has fin (14), and fin (14) are provided with the multiunit, the both sides of cooling module (13) are equipped with welded fastening piece (15).

3. A cooling structure of a dry type transformer according to claim 2, wherein: cooling module (13) are including connector (16), flexible glue board (17), cooling tube (18), heat conduction silica gel (19), soft magnet (20) and viscose layer (21), be equipped with in flexible glue board (17) and walk line chamber (24), cooling tube (18) set up in walking line chamber (24), and cooling tube (18) adopt S type to coil, connector (16) is connected at the both ends of cooling tube (18), it fills heat conduction silica gel (19) around being located cooling tube (18) to walk line chamber (24), the below that flexible glue board (17) are located to walk line chamber (24) is provided with soft magnet (20), the surface of flexible glue board (17) is provided with viscose layer (21).

4. A cooling structure of a dry type transformer according to claim 3, wherein: the upper surface of the soft rubber plate (17) is provided with a plug-in groove (22), the bottom end of the radiating fin (14) is provided with a plug-in connector (23), the plug-in connector (23) is plugged in the plug-in groove (22), and the radiating fin (14) is detachably mounted on the soft rubber plate (17) through the plug-in groove (22) and the plug-in connector (23).

5. A cooling structure of a dry type transformer according to claim 2, wherein: the welding fixing piece (15) comprises a welding piece (25), a welding flux (26) and a connecting rubber strip (27), wherein the connecting rubber strip (27) is arranged at one end of the welding piece (25), the other side of the connecting rubber strip (27) is connected to the cooling assembly (13), and the welding flux (26) is wrapped on the surface of one side of the welding piece (25).

6. A cooling structure of a dry type transformer according to claim 1, wherein: the heat dissipation assembly (10) comprises a fan installation box (6), a mounting frame (7), a heat dissipation fan (8) and a dust cover (9), the fan installation box (6) is internally fixed with the mounting frame (7), the heat dissipation fan (8) is installed on the mounting frame (7), the heat dissipation fan (8) is provided with multiple groups, and the dust cover (9) is buckled at an opening of the fan installation box (6).

7. A cooling structure of a dry type transformer according to claim 3, wherein: the cooling assembly (13) is provided with a plurality of groups, and cooling pipes (18) in the cooling assembly (13) are communicated with each other through pipelines.