Air-cooled dry-type transformer

Abstract

The utility model discloses a kind of air-cooled heat dissipation formula dry-type transformers, it is characterized in that, including shell, and the main body being set in shell, shell is equipped with air supply component, air supply component is set between shell and main body, the main body includes several iron core module and heat dissipation component, iron core module is set between base and support plate, support plate is located above base, heat dissipation component is set on support plate, the iron core module perimeter side is equipped with baffle, baffle is wrapped several iron core module, baffle upper end is connected with support plate, lower end is spaced apart with base, to form air intake area between baffle and base, the heat dissipation component includes cooling fan, air intake area is communicated with cooling fan.The utility model is formed by the cooperation of air supply component and heat dissipation component, complete air flow circulation path is formed, cold air can directly flow through the iron core and winding area of serious heat generation, and heat dissipation efficiency is significantly improved.

Description

Technical Field

[0001] This utility model relates to the field of transformer technology, and in particular to an air-cooled dry-type transformer. Background Technology

[0002] Dry-type transformers are transformers that do not use oil or other liquids for cooling; their cooling method primarily relies on natural or forced air cooling. Existing dry-type transformers typically consist of a casing and a core module housed within the casing. Airflow is circulated internally by a fan to dissipate heat from the core module. However, because the fan is located at the top of the casing, the airflow entering from the outside flows towards the exhaust fan. Since the core is located in the middle of the casing, when the casing size is large, the airflow towards the core is limited, resulting in poor heat dissipation. Utility Model Content

[0003] The purpose of this invention is to solve the technical problem that the cooling airflow of existing dry-type transformers is not concentrated towards the core module.

[0004] To achieve the objectives of this utility model, the following technical solution is adopted:

[0005] A wind-cooled dry-type transformer is characterized by comprising a housing and a main body disposed within the housing. The housing is provided with an air supply assembly disposed between the housing and the main body. The main body includes a plurality of core modules and a heat dissipation assembly. The core modules are disposed between a base and a support plate, with the support plate located above the base. The heat dissipation assembly is disposed on the support plate. A baffle is provided around the core modules, enclosing the plurality of core modules. The upper end of the baffle is connected to the support plate, and the lower end is spaced apart from the base to form an air intake area between the baffle and the base. The heat dissipation assembly includes a cooling fan, and the air intake area is connected to the cooling fan.

[0006] In some embodiments, the core module includes a core and windings wound around the periphery of the core, with a support between adjacent windings and a fluid channel formed between adjacent windings, the fluid channel being connected to the air intake area and the cooling fan respectively.

[0007] In some embodiments, the fluid channel is arranged vertically.

[0008] In some embodiments, the baffle is provided with a connecting rod, the two ends of which are respectively connected to the side wall of the baffle to form a protrusion facing into the main body on the side wall of the baffle, the protrusion being located between adjacent iron core modules.

[0009] In some embodiments, the air supply assembly includes a guide fan and a guide pipe connected to the guide fan, the guide pipe being located between the housing and the body.

[0010] In some embodiments, the flow guide fan is disposed on the top of the housing, one end of the flow guide pipe is connected to the flow guide fan, and the other end is a free end, with the free end of the flow guide pipe located on the side of the iron core module.

[0011] In some embodiments, the guide tube has several through holes on its side and several guide channels inside the guide tube, the guide channels being connected to the through holes.

[0012] In some embodiments, the guide tube is cylindrical.

[0013] In some embodiments, the air guide fan is mounted on a support plate, and a shielding component is provided above the air guide fan to cover the cooling fan.

[0014] In some embodiments, the housing is provided with an air inlet pipe that communicates with a guide fan, and the air inlet of the air inlet pipe is located on the side of the housing.

[0015] The air-cooled dry-type transformer provided by this utility model has the following advantages:

[0016] This invention utilizes the combination of air supply and heat dissipation components to form a complete airflow circulation path, allowing cold air to flow directly through the hottest iron core and winding areas, significantly improving heat dissipation efficiency. In addition, external airflow is guided to the intake area through a guide pipe, achieving rapid airflow circulation. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of a wind-cooled dry-type transformer provided in an embodiment of this utility model.

[0019] Figure 2 This is a schematic diagram of the iron core module provided in an embodiment of this utility model.

[0020] Figure 3 This is a cross-sectional view of the iron core module provided in this embodiment of the utility model.

[0021] Figure 4 This is a partial schematic diagram of the iron core module provided in this embodiment of the utility model.

[0022] Figure 5 This is a schematic diagram of the guide tube provided in an embodiment of this utility model.

[0023] Figure 6This is a cross-sectional view of the guide tube provided in an embodiment of this utility model.

[0024] Figure 7 This is a schematic diagram of the air inlet pipe provided in an embodiment of this utility model.

[0025] In the attached diagram: 1. Shell; 2. Main body; 3. Air supply assembly; 4. Iron core module; 5. Heat dissipation assembly; 6. Baffle; 7. Air intake area; 21. Base; 23. Support plate; 31. Guide fan; 32. Guide pipe; 33. Through hole; 34. Guide channel; 41. Iron core; 42. Winding; 43. Bracket; 44. Fluid channel; 51. Heat dissipation fan; 61. Connecting rod; 62. Side wall; 63. Protrusion; 8. Shielding component; 81. Partition; 9. Air inlet pipe; 91. Air inlet. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of this utility model, but not all embodiments.

[0027] In this embodiment, "several" and "more than" refer to two or more. In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0028] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0029] like Figures 1 to 6As shown, this embodiment provides an air-cooled dry-type transformer, including a housing 1 and a main body 2 disposed within the housing 1. The housing 1 protects the main body 2. The housing 1 is equipped with an air supply assembly 3, which is positioned between the housing 1 and the main body 2, allowing external airflow to be introduced into the housing 1. The main body 2 includes several core modules 4 and a heat dissipation assembly 5. The core modules 4 are disposed between a base 21 and a support plate 23, with the support plate 23 positioned above the base 21, thus ensuring stable vertical positioning and installation of the core modules 4. In this embodiment, three core modules 4 are installed between one base 21 and one support plate 23. The heat dissipation assembly 5 is disposed on the support plate 23, drawing airflow from the main body 2 and expelling high-temperature gas from within the main body 2. Its top-mounted position enhances exhaust efficiency. Baffles 6 are provided around the core modules 4, enclosing the core modules 4. The upper end of the baffle 6 is connected to the support plate 23, and the lower end is spaced apart from the base 21, so that an air intake area 7 is formed between the baffle 6 and the base 21. The heat dissipation assembly 5 includes a heat dissipation fan 51, and the air intake area 7 is connected to the heat dissipation fan 51.

[0030] In the above technical solution, airflow is supplied to the housing 1 through the air supply component 3, so that the airflow with a lower external temperature can quickly enter the housing 1; the airflow is drawn in by the heat dissipation component 5, and the airflow in the housing 1 enters the main body 1 through the air intake area 7 below the main body 1, passes through the iron core module 4 and is discharged through the heat dissipation fan 51, so that the high temperature airflow in the housing 1 can be quickly discharged. At the same time, the airflow passes through the iron core module 4, which can carry away the heat of the iron core module 4 and improve the heat dissipation efficiency.

[0031] Furthermore, the core module 4 includes a core 41 and windings 42 wound around the core 41. A bracket 43 is provided between adjacent windings 42 to fix the windings. A fluid channel 44 is formed between adjacent windings 42, and the fluid channel 44 is connected to the air intake area 7 and the cooling fan 51. After the airflow enters the core module 4 through the air intake area 7, it passes through the fluid channel 44, carrying away the heat from the core and windings, and then is discharged from the cooling fan 51. The fluid channel 44 is vertically arranged, extending from the bottom to the top, and penetrates the core module. A connecting rod 61 is provided on the baffle 6, with both ends of the connecting rod 61 connected to the side wall 62 of the baffle 6, forming a protrusion 63 on the side wall 62 facing inwards towards the main body 1. The protrusion 63 is located between adjacent core modules 4. Through the above technical solution, when the airflow flows from bottom to top, by setting the connecting rod 61 and the protrusion 63, the airflow can flow as far as possible toward the iron core module 4, further improving the heat dissipation effect of the iron core module 4.

[0032] Furthermore, the air supply assembly 3 includes a guide fan 31 and a guide pipe 32 connected to the guide fan 31, the guide pipe 32 being located between the housing 1 and the main body 2. The guide fan 31 draws in external airflow, which is then input into the housing 1 through the guide pipe 32, pushing the airflow inside the housing 1 downwards into the air intake area 7, while simultaneously reducing the temperature inside the housing 1. The guide fan 31 is located at the top of the housing 1, one end of the guide pipe 32 is connected to the guide fan 31, and the other end is a free end located on the side of the core module 4. The airflow introduced by the guide fan 31 flows in from top to bottom, reducing airflow loss caused by changes in airflow direction. The side of the guide pipe 32 is provided with several through holes 33, and the guide pipe 32 is provided with several guide channels 34, which communicate with the through holes 33. Airflow flows downward through the guide channel 34 and then exits through the side through-holes 33. The through-holes 33 allow for rapid airflow diffusion, propelling the surrounding high-temperature airflow into the intake area 7. In this embodiment, the guide pipe 32 is cylindrical. The guide fan 31 is mounted on the support plate 23, and a shielding member 8 is provided above the guide fan 31, covering the cooling fan 51. By providing the shielding member 8, rainwater can be prevented from entering the guide fan 31 and the cooling fan 51. The shielding member 8 has a partition 81 located between the guide fan 31 and the cooling fan 51, thereby preventing mutual interference between the airflows of the two fans.

[0033] like Figure 7 As shown, in another embodiment, the housing 1 is provided with an air inlet pipe 9 that communicates with the guide fan 31, and the air inlet 91 of the air inlet pipe 9 is located on the side of the housing 1. Airflow enters from the side through the air inlet 91, which can avoid the influence of rainwater. The airflow is guided to the guide fan 31 through the air inlet pipe 9 inside the housing 1. At this time, the guide fan 31 is set inside the housing 1, which can reduce the influence of the external environment on the guide fan.

[0034] This embodiment of a wind-cooled dry-type transformer uses an air supply component to guide airflow between the casing and the main body. An air intake area is formed by a baffle and a base, allowing the airflow to be concentrated and enter the core module through the air intake area before being discharged, thus improving the heat dissipation effect. In addition, external airflow is guided to the air intake area through a guide pipe to achieve rapid airflow circulation.

[0035] The technical principles of this utility model have been described above in conjunction with specific embodiments. However, it should be noted that these descriptions are merely for explaining the principles of this utility model and should not be construed as limiting the scope of protection of this utility model in any way. Based on this explanation, other specific embodiments or equivalent substitutions of this utility model that can be conceived by those skilled in the art without creative effort will all fall within the scope of protection of this utility model.

Claims

1. A wind-cooled dry-type transformer, characterized in that, The device includes a housing and a main body disposed within the housing. The housing is equipped with an air supply assembly, which is located between the housing and the main body. The main body includes several iron core modules and a heat dissipation assembly. The iron core modules are disposed between a base and a support plate, with the support plate located above the base. The heat dissipation assembly is disposed on the support plate. Each iron core module has a baffle around its periphery, which encloses several iron core modules. The upper end of the baffle is connected to the support plate, and the lower end is spaced apart from the base to form an air intake area between the baffle and the base. The heat dissipation assembly includes a cooling fan, and the air intake area is connected to the cooling fan.

2. The air-cooled dry-type transformer according to claim 1, characterized in that, The core module includes a core and windings wound around the core. A support is provided between adjacent windings, and a fluid channel is formed between adjacent windings. The fluid channel is connected to the air intake area and the cooling fan respectively.

3. The air-cooled dry-type transformer according to claim 2, characterized in that, The fluid channel is vertically arranged.

4. The air-cooled dry-type transformer according to claim 1, characterized in that, The baffle is provided with a connecting rod, and the two ends of the connecting rod are respectively connected to the side wall of the baffle to form a protrusion facing into the main body on the side wall of the baffle. The protrusion is located between adjacent iron core modules.

5. The air-cooled dry-type transformer according to claim 1, characterized in that, The air supply assembly includes a guide fan and a guide pipe connected to the guide fan, the guide pipe being located between the housing and the main body.

6. The air-cooled dry-type transformer according to claim 5, characterized in that, The flow guide fan is located on the top of the housing. One end of the flow guide pipe is connected to the flow guide fan, and the other end is a free end. The free end of the flow guide pipe is located on the side of the iron core module.

7. The air-cooled dry-type transformer according to claim 6, characterized in that, The guide tube has several through holes on its side and several guide channels inside the guide tube, which are connected to the through holes.

8. The air-cooled dry-type transformer according to claim 7, characterized in that, The guide tube is cylindrical.

9. The air-cooled dry-type transformer according to claim 5, characterized in that, The air guide fan is mounted on the support plate, and a shielding component is provided above the air guide fan to cover the cooling fan.

10. The air-cooled dry-type transformer according to claim 5, characterized in that, The housing is equipped with an air inlet pipe that communicates with the guide fan, and the air inlet of the air inlet pipe is located on the side of the housing.

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