Transformer heat dissipation structure

By introducing a combination design of oil pump and fan into the transformer heat dissipation structure, the heat dissipation effect is accelerated, and the activated carbon filter element can be easily replaced through the limit component. This solves the problems of poor heat dissipation and inconvenient filter element replacement in the existing technology, and improves the heat dissipation capacity and safety of the equipment.

CN223539405UActive Publication Date: 2025-11-11HAINAN POWER GRID CO LTD
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Patent Information

Application Number
CN202422914818.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2025-11-11
Estimated Expiration
2034-11-28

AI Technical Summary

Technical Problem

The existing transformer heat dissipation structure is not conducive to accelerating the circulation heat dissipation effect and is not convenient for replacing the activated carbon filter element, which can easily lead to blockage of the heat dissipation pipes.

Method used

A structure including a transformer housing, support column, filter sleeve, activated carbon filter element, oil pump, heat dissipation assembly, and blower assembly is designed. The insulating oil is drawn out by the oil pump and the heat dissipation is accelerated by the heat dissipation plate and the blower. The activated carbon filter element is easy to replace and prevents clogging.

Benefits of technology

It enables rapid heat dissipation of the transformer and convenient replacement of the activated carbon filter element, improving heat dissipation capacity and equipment safety, and preventing pipe blockage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of transformers, and discloses a transformer heat dissipation structure which comprises a transformer box body, two sets of supporting columns are fixedly connected to the back face of the transformer box body, a filtering sleeve is fixedly connected to one end of each supporting column, and left clamping blocks are connected to the top and the bottom of each filtering sleeve in a clamped mode. And one side of the left clamping block is rotationally connected with a right clamping block. According to the transformer heat dissipation structure, through the arrangement of the heat dissipation assembly and the air blowing assembly, when a transformer runs and needs heat dissipation, an oil pump is started, heated insulating oil in a transformer box body is pumped out through the oil pump, a large amount of heat is taken away, and the insulating oil is conveyed to an oil distribution pipe and then reaches an oil distribution frame, so that the insulating oil enters multiple sets of heat dissipation plates and then passes through multiple sets of oil passing cavities; the heat dissipation area is increased through the heat dissipation plate, the blowing fan is started to drive air on the surface of the heat dissipation plate to flow and take away heat, and therefore the effect of accelerating circulating heat dissipation of the transformer is achieved, and the heat dissipation capacity of the transformer heat dissipation structure is improved.
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Description

Technical Field

[0001] This utility model relates to the field of transformer technology, and in particular to a transformer heat dissipation structure. Background Technology

[0002] As a form of energy, electrical energy offers numerous advantages, including ease of conversion, convenient transportation, easy control, ease of use, cleanliness, and economy. High-efficiency power engineering utilizes advanced technologies and management methods to improve the overall efficiency of power systems, reduce energy consumption, and minimize environmental impact. Distribution transformers are crucial equipment in power supply and distribution systems for industrial and mining enterprises and civil buildings. They are fundamental equipment for power transmission and distribution, widely used in industry, agriculture, transportation, and urban communities. A transformer is a device that uses the principle of electromagnetic induction to change alternating current voltage. Its main components are the primary coil, secondary coil, and iron core (magnetic core). In electrical equipment and wireless circuits, transformers are commonly used for voltage step-up / step-down, impedance matching, and safety isolation. The heat dissipation structure of a transformer is essential for ensuring its normal operation and extending its service life; effective heat dissipation can prevent equipment failure or performance degradation due to overheating.

[0003] Existing transformer heat dissipation structures are not conducive to accelerating the cooling effect of transformer circulation in actual use.

[0004] A search of existing patents revealed a transformer heat dissipation structure (publication number: CN214043361U), comprising a closed cavity, a supporting structure, a transformer core, a working medium, and a condenser tube. The transformer core is housed within the closed cavity, and the transformer itself is housed within the core. A gap is maintained around the circumference of the transformer core. A supporting structure is located at the bottom of the core, supporting it and maintaining a gap with the bottom of the closed cavity. The closed cavity is filled with the working medium. A condenser tube, designed to enhance heat dissipation, is arranged at the top of the closed cavity, and the cavity in the center of the condenser tube is connected to the closed cavity. This device can rapidly transfer the heat generated by the core to the heat dissipation structure, achieving overall temperature control.

[0005] While the aforementioned patent enables the device to quickly transfer the heat generated by the core to the heat dissipation structure and achieve overall temperature control, it makes it inconvenient to replace the activated carbon filter element, and it is prone to causing blockage in the heat dissipation pipes during long-term operation of the transformer. Utility Model Content

[0006] (a) Technical problems to be solved

[0007] The technical problem solved by this utility model is to provide a transformer heat dissipation structure that is highly practical, easy to operate, and has a simple structure, thus solving the problems mentioned in the background art of not being able to accelerate the transformer's circulating heat dissipation effect and not being able to replace the activated carbon filter element.

[0008] (II) Technical Solution

[0009] To achieve the above objectives, this utility model provides the following technical solution: a transformer heat dissipation structure, comprising a transformer housing, two sets of support columns fixedly connected to the back of the transformer housing, a filter sleeve fixedly connected to one end of each support column, a left clamping block snapped into the top and bottom of the filter sleeve, a right clamping block rotatably connected to one side of the left clamping block, a limit assembly rotatably connected to the inner wall of one end of the left clamping block, an activated carbon filter element sleeved inside the filter sleeve, a connecting pipe penetrating the top of the filter sleeve, an oil pump penetrating one end of the connecting pipe, a heat dissipation assembly penetrating the output end of the oil pump, and a blower assembly fixedly connected to one side of the front of the transformer housing.

[0010] As a further embodiment of this utility model, the limiting component includes a rotating bolt rotatably connected to the inner wall of one end of the left clamping block. A threaded rod is sleeved on the surface of the rotating bolt, and a limiting nut is threadedly connected to the surface of the threaded rod, so that the limiting nut can rotate on the surface of the threaded rod.

[0011] As a further embodiment of this utility model, the heat dissipation assembly includes an oil distribution pipe that is connected through to the output end of the oil pump. One end of the oil distribution pipe is connected through to two sets of oil distribution frames. The bottom of the oil distribution frames is connected through to several sets of heat dissipation plates. The bottom of the heat dissipation plates is connected through to a return oil pipe, which facilitates the return of the cooled insulating oil to the transformer tank.

[0012] As a further embodiment of this utility model, the air blowing assembly includes a fixed frame fixedly connected to one side of the front of the transformer housing, a support frame fixedly connected inside the fixed frame, and a blower fixedly connected inside the support frame. The blower facilitates the airflow on the surface of the heat sink and removes heat.

[0013] As a further embodiment of this utility model, the top of the transformer housing is bolted and threaded with a housing cover, and the top of the housing cover is fitted with several sets of insulators, which facilitate the prevention of leakage.

[0014] As a further embodiment of this utility model, several sets of heat sinks are fixedly connected to both sides of the transformer housing, and several sets of oil passage chambers are opened inside the heat sink plate to facilitate the heat dissipation of insulating oil.

[0015] As a further embodiment of this utility model, a slot adapted to the threaded rod is provided on one side of both the left and right clamping blocks, and two sets of supporting beams are fixedly connected to the bottom of the transformer box, which facilitates the support of the transformer box.

[0016] (III) Beneficial Effects

[0017] This utility model provides a transformer heat dissipation structure, which has the following beneficial effects:

[0018] 1. The transformer heat dissipation structure, through the setting of heat dissipation components and air blowing components, when the transformer needs heat dissipation during operation, the oil pump is started, and the heated insulating oil in the transformer tank is extracted by the oil pump, taking away a large amount of heat and transporting it to the oil distribution pipe, and then to the oil distribution frame, so that the insulating oil enters the heat dissipation plates in multiple sets of heat dissipation plates, and then through multiple sets of oil passage chambers, using the heat dissipation plates to increase the heat dissipation area, and the air blowing fan is started to drive the airflow on the surface of the heat dissipation plates to carry away heat, thereby achieving the effect of accelerating the circulation and heat dissipation of the transformer, and improving the heat dissipation capacity of the transformer heat dissipation structure.

[0019] 2. This transformer heat dissipation structure, through the setting of limiting components and activated carbon filter elements, allows impurities and contaminants such as moisture to gradually accumulate in the insulating oil during long-term operation of the transformer. When the oil pump extracts the oil, it passes through the activated carbon filter element in the filter sleeve to remove impurities from the insulating oil. When replacement is needed, the limiting nut is turned on the threaded rod, which in turn pulls the threaded rod, causing it to disengage from the slot. This allows the left and right clamping blocks to be opened, thus achieving the effect of conveniently opening the filter sleeve. This facilitates the replacement of the activated carbon filter element, prevents blockage in the heat dissipation pipes, and improves the safety of the transformer heat dissipation structure. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the disassembled structure of this utility model;

[0022] Figure 3 This is a schematic diagram of the heat dissipation component structure of this utility model;

[0023] Figure 4 This is a schematic diagram of the filter sleeve and activated carbon filter element of this utility model;

[0024] Figure 5 This is a schematic diagram of the limiting component structure of this utility model.

[0025] In the diagram: 1. Transformer housing; 2. Support column; 3. Filter sleeve; 4. Left clamping block; 5. Right clamping block; 6. Limiting assembly; 601. Rotating bolt; 602. Threaded rod; 603. Limiting nut; 7. Activated carbon filter element; 8. Connecting pipe; 9. Oil pump; 10. Heat dissipation assembly; 1001. Oil distribution pipe; 1002. Oil distribution frame; 1003. Heat dissipation plate; 1004. Return oil pipe; 11. Air blowing assembly; 1101. Fixing frame; 1102. Support frame; 1103. Air blower; 12. Tank cover; 13. Insulator; 14. Heat dissipation fins; 15. Support beam. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0027] Please see Figures 1 to 5 This utility model provides a technical solution: a transformer heat dissipation structure, including a transformer housing 1. Two sets of support columns 2 are fixedly connected to the back of the transformer housing 1. A filter sleeve 3 is fixedly connected to one end of each support column 2. A left clamping block 4 is snapped into the top and bottom of the filter sleeve 3. A right clamping block 5 is rotatably connected to one side of the left clamping block 4. A limiting component 6 is rotatably connected to the inner wall of one end of the left clamping block 4. Through the setting of the limiting component 6 and the activated carbon filter element 7, the filter sleeve 3 can be easily opened, making it convenient for personnel to replace the activated carbon filter element 7, preventing blockage in the heat dissipation pipe, and improving the safety of the transformer heat dissipation structure. The activated carbon filter element 7 is sleeved inside the filter sleeve 3. A connecting pipe 8 is connected through the top of the filter sleeve 3. An oil pump 9 is connected through one end of the connecting pipe 8. A heat dissipation component 10 is connected through the output end of the oil pump 9. Through the setting of the heat dissipation component 10 and the air blowing component 11, the effect of accelerating the circulation and heat dissipation of the transformer is achieved, improving the heat dissipation capacity of the transformer heat dissipation structure. An air blowing component 11 is fixedly connected to one side of the front of the transformer housing 1.

[0028] The limiting component 6 includes a rotating bolt 601 rotatably connected to the inner wall of one end of the left clamping block 4. A threaded rod 602 is sleeved on the surface of the rotating bolt 601. A limiting nut 603 is threadedly connected to the surface of the threaded rod 602. The limiting nut 603 enables the bolt to rotate on the surface of the threaded rod 602.

[0029] The heat dissipation assembly 10 includes an oil distribution pipe 1001 that is connected to the output end of the oil pump 9. One end of the oil distribution pipe 1001 is connected to two oil distribution racks 1002. Several sets of heat dissipation plates 1003 are connected to the bottom of the oil distribution racks 1002. A return oil pipe 1004 is connected to the bottom of the heat dissipation plates 1003. The return oil pipe 1004 is used to transport the cooled insulating oil back to the transformer housing 1.

[0030] The air blowing assembly 11 includes a fixed frame 1101 fixedly connected to one side of the front of the transformer housing 1. A support frame 1102 is fixedly connected inside the fixed frame 1101. A fan 1103 is fixedly connected inside the support frame 1102. The fan 1103 drives the airflow on the surface of the heat sink 1003 and removes heat.

[0031] The top of the transformer housing 1 is connected to the housing cover 12 by bolts and threads. Several sets of insulators 13 are sleeved on the top of the housing cover 12. The insulators 13 are used to prevent leakage.

[0032] Several sets of heat sinks 14 are fixedly connected to both sides of the transformer housing 1. Several sets of oil passage chambers are opened inside the heat sink 1003. The oil passage chambers are designed to dissipate heat from the insulating oil.

[0033] Both the left clamping block 4 and the right clamping block 5 have slots on one side that are compatible with the threaded rod 602. Two sets of support beams 15 are fixedly connected to the bottom of the transformer housing 1. The support beams 15 serve to support the transformer housing 1.

[0034] In this invention, the working steps of the device are as follows:

[0035] First step: During the long-term operation of the transformer, impurities and contaminants such as moisture will gradually accumulate in the insulating oil. When the oil pump 9 is drawn out, it is filtered by the activated carbon filter element 7 in the filter sleeve 3 to remove the impurities in the insulating oil. When it needs to be replaced, the limit nut 603 is turned on the threaded rod 602, which in turn pulls the threaded rod 602, causing the threaded rod 602 to disengage from the slot, thereby pulling open the left clamping block 4 and the right clamping block 5.

[0036] The second step: When the transformer needs to dissipate heat during operation, start the oil pump 9 and use the oil pump 9 to extract the heated insulating oil in the transformer tank 1, take away a large amount of heat, and transport it to the oil distribution pipe 1001, and then to the oil distribution frame 1002, so that the insulating oil enters the multiple heat dissipation plates 1003.

[0037] The third step: Then, by using multiple sets of oil passages, the heat dissipation area is increased by using the heat sink 1003, and the fan 1103 is started to drive the air flow on the surface of the heat sink 1003 and carry away the heat.

[0038] It should be noted that the device structure and accompanying drawings of this utility model mainly describe the principle of this utility model. In terms of the technical aspects of this design principle, the setting of the power mechanism, power supply system and control system of the device is not fully described. However, under the premise that those skilled in the art understand the principle of the above utility model, the specific details of its power mechanism, power supply system and control system can be clearly understood. The control method in the application document is automatic control through a controller. The control circuit of the controller can be implemented by those skilled in the art through simple programming.

[0039] All standard parts used can be purchased from the market, and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the existing technology. The machinery, parts and equipment adopt conventional models in the existing technology, and the structure and principle of the components known to those skilled in the art can be known by those skilled in the art through technical manuals or conventional experimental methods.

[0040] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A transformer heat dissipation structure, comprising a transformer housing (1), characterized in that: Two sets of support columns (2) are fixedly connected to the back of the transformer housing (1). A filter sleeve (3) is fixedly connected to one end of the support column (2). A left clamping block (4) is snapped into the top and bottom of the filter sleeve (3). A right clamping block (5) is rotatably connected to one side of the left clamping block (4). A limit assembly (6) is rotatably connected to the inner wall of one end of the left clamping block (4). An activated carbon filter element (7) is sleeved inside the filter sleeve (3). A connecting pipe (8) is connected through the top of the filter sleeve (3). An oil pump (9) is connected through one end of the connecting pipe (8). A heat dissipation assembly (10) is connected through the output end of the oil pump (9). A blower assembly (11) is fixedly connected to one side of the front of the transformer housing (1).

2. The transformer heat dissipation structure according to claim 1, characterized in that: The limiting component (6) includes a rotating bolt (601) rotatably connected to the inner wall of one end of the left clamping block (4). A threaded rod (602) is sleeved on the surface of the rotating bolt (601), and a limiting nut (603) is threadedly connected to the surface of the threaded rod (602).

3. The transformer heat dissipation structure according to claim 1, characterized in that: The heat dissipation assembly (10) includes an oil distribution pipe (1001) that is connected to the output end of the oil pump (9). One end of the oil distribution pipe (1001) is connected to two oil distribution racks (1002). The bottom of the oil distribution racks (1002) is connected to several heat dissipation plates (1003). The bottom of the heat dissipation plates (1003) is connected to a return oil pipe (1004).

4. The transformer heat dissipation structure according to claim 1, characterized in that: The blower assembly (11) includes a fixed frame (1101) fixedly connected to one side of the front of the transformer housing (1), a support frame (1102) fixedly connected inside the fixed frame (1101), and a blower (1103) fixedly connected inside the support frame (1102).

5. A transformer heat dissipation structure according to claim 1, characterized in that: The top of the transformer housing (1) is connected to a cover (12) by bolts and threads, and a number of insulators (13) are fitted onto the top of the cover (12).

6. The transformer heat dissipation structure according to claim 3, characterized in that: Several sets of heat sinks (14) are fixedly connected to both sides of the transformer housing (1), and several sets of oil passage chambers are opened inside the heat sink (1003).

7. A transformer heat dissipation structure according to claim 2, characterized in that: The left clamp (4) and the right clamp (5) are each provided with a slot on one side that is compatible with the threaded rod (602), and the bottom of the transformer box (1) is fixedly connected with two sets of support beams (15).

Citation Information

Patent Citations

  • Transformer heat dissipation structure

    CN214043361U