Epoxy resin pouring dry-type transformer

Abstract

The utility model discloses an epoxy resin pouring dry-type transformer which comprises an epoxy resin pouring dry-type transformer body, and a heat dissipation assembly is fixedly installed on the outer surface of the lower end of the epoxy resin pouring dry-type transformer body. The heat dissipation assembly comprises a lower box body, an air inlet, a filter assembly, an air outlet honeycomb hole, a partition plate, a heat dissipation fan, a mounting limiting sliding groove, a filter screen, a handle and two groups of elastic material pressing assemblies, and the two groups of elastic material pressing assemblies are mounted on the two sides of the outer surface of the upper end of the rectangular frame; the elastic material pressing assembly comprises a mounting groove, a compression spring, a movable block and a rectangular frame, and the lower box body is fixedly mounted at the bottom of the epoxy resin pouring dry type transformer main body. According to the epoxy resin pouring dry-type transformer, the arranged heat dissipation assembly has the function of front filtering and plays a role in protection, and through the arranged filtering assembly, the filtering assembly is convenient to mount and dismount.

Description

TECHNICAL FIELD

[0001] The utility model relates to transformer technical field, concretely is epoxy resin casting dry type transformer. BACKGROUND

[0002] Epoxy resin casting dry type transformer is a kind of transformer using epoxy resin as insulating material, its high, low voltage winding usually adopts copper band (foil) winding, then pours epoxy resin in vacuum and solidifies, forms high-strength glass steel body structure.

[0003] In prior art, in order to ensure that epoxy resin casting dry type transformer main body normally operates, heat dissipation fan is installed at the bottom of epoxy resin casting dry type transformer main body, but lack of filtering structure, leading to the outer wall of epoxy resin casting dry type transformer main body can be adhered with dust.

[0004] Therefore, we propose a kind of epoxy resin casting dry type transformer. UTILITY MODEL CONTENT

[0005] (One) technical problem solved

[0006] In view of the deficiencies of prior art, the utility model provides a kind of epoxy resin casting dry type transformer, with air inlet filtering structure, and the advantages such as being convenient to replace, can effectively solve the problems in the background art.

[0007] (Two) technical scheme

[0008] To achieve the above object, the technical scheme that the utility model takes is as follows: a kind of epoxy resin casting dry type transformer, including epoxy resin casting dry type transformer main body, the lower end outer surface of epoxy resin casting dry type transformer main body is fixedly installed with heat dissipation component, the heat dissipation component includes lower box, air inlet, filtering component, air outlet honeycomb hole, baffle, heat dissipation fan, installation limit sliding slot, filter screen, handle and elastic pressure material component, the quantity of the elastic pressure material component is two groups, two groups the elastic pressure material component is installed on the both sides of the outer surface of the upper end of rectangular frame, the elastic pressure material component includes installation slot, compression spring, movable block and rectangular frame, the lower box is fixedly installed at the bottom of epoxy resin casting dry type transformer main body.

[0009] Preferably, the air inlet is opened in the lower end outer surface of lower box, the air outlet honeycomb hole is opened in the upper end outer surface of lower box, the baffle is fixedly installed in the upper portion of lower box inner chamber, and the heat dissipation fan is installed on the baffle.

[0010] Preferably, the installation limit sliding slot is opened in the outer surface of one end of lower box, and the installation limit sliding slot is located in the upper portion of air inlet, and the installation limit sliding slot is located in the lower portion of baffle.

[0011] Preferably, the outer wall of the rectangular frame is plugged into the installation limiting slide groove, the filter is fixedly installed in the rectangular frame, and the handle is fixedly installed in the middle of the outer surface of one end of the rectangular frame.

[0012] Preferably, the mounting groove is opened on the left and right sides of the upper outer surface of the rectangular frame, the compression spring is located in the mounting groove, and the compression spring is fixedly installed between the lower outer surface of the movable block and the bottom of the mounting groove.

[0013] Preferably, the outer wall of the movable block is slidably connected to the mounting groove, and the outer surface of the lower end of the movable block is elastically connected to the bottom of the mounting groove via a compression spring.

[0014] (3) Beneficial effects

[0015] Compared with the prior art, the present invention provides an epoxy resin cast dry-type transformer with the following beneficial effects:

[0016] 1. This epoxy resin cast dry-type transformer is equipped with a heat dissipation component, which has the function of pre-filtering and plays a protective role.

[0017] 2. The epoxy resin cast dry-type transformer has a filter assembly that is easy to install and disassemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The utility model is a schematic diagram of the overall structure of an epoxy resin cast dry-type transformer.

[0019] Figure 2 The utility model is a structural schematic diagram of a heat dissipation component in an epoxy resin cast dry-type transformer.

[0020] Figure 3 The utility model is a partial structural schematic diagram of a heat dissipation component in an epoxy resin cast dry-type transformer.

[0021] Figure 4 The utility model is a structural schematic diagram of a filter component in an epoxy resin cast dry-type transformer.

[0022] Figure 5 This is a partial side cross-sectional view of a filter assembly in an epoxy resin cast dry-type transformer of the present invention.

[0023] In the figure: 1. Epoxy resin cast dry-type transformer body; 2. Heat dissipation assembly; 3. Lower box; 4. Air inlet; 5. Filter assembly; 6. Honeycomb holes at the air outlet; 7. Partition; 8. Cooling fan; 9. Installation limit slide; 10. Filter; 11. Handle; 12. Elastic pressing assembly; 13. Installation slot; 14. Compression spring; 15. Movable block. DETAILED DESCRIPTION

[0024] The technical means, creation features, purposes and effects of the present application are easy to understand, which will be further described in the following specific embodiments.

[0025] The present embodiment is an epoxy resin cast dry-type transformer.

[0026] As shown in Figures 1-5 , including epoxy resin cast dry-type transformer body 1, the lower end of the outer surface of epoxy resin cast dry-type transformer body 1 is fixedly installed with heat dissipation assembly 2, heat dissipation assembly 2 includes lower box 3, air inlet 4, filter assembly 5, air outlet honeycomb hole 6, partition 7, heat dissipation fan 8, installation limiting sliding groove 9, filter screen 10, handle 11 and elastic pressure material assembly 12, the number of elastic pressure material assembly 12 is two groups, two groups of elastic pressure material assembly 12 are installed on both sides of the outer surface of the upper end of rectangular frame 16, elastic pressure material assembly 12 includes installation slot 13, compression spring 14, movable block 15 and rectangular frame 16, lower box 3 is fixedly installed on the bottom of epoxy resin cast dry-type transformer body 1.

[0027] Air inlet 4 is provided on the lower end of the outer surface of lower box 3, air outlet honeycomb hole 6 is provided on the upper end of the outer surface of lower box 3, partition 7 is fixedly installed on the upper part of the inner cavity of lower box 3, heat dissipation fan 8 is installed on partition 7; installation limiting sliding groove 9 is provided on one end of the outer surface of lower box 3, and installation limiting sliding groove 9 is located on the upper part of air inlet 4, installation limiting sliding groove 9 is located on the lower part of partition 7; the outer wall of rectangular frame 16 is inserted with installation limiting sliding groove 9, filter screen 10 is fixedly installed in rectangular frame 16, handle 11 is fixedly installed on the middle part of one end of the outer surface of rectangular frame 16; installation slot 13 is provided on both sides of the upper end of the outer surface of rectangular frame 16, compression spring 14 is located in installation slot 13, compression spring 14 is fixedly installed between the lower end of the outer surface of movable block 15 and the bottom of installation slot 13; the outer wall of movable block 15 is slidably connected with installation slot 13, the lower end of the outer surface of movable block 15 is elastically connected with the bottom of installation slot 13 through compression spring 14.

[0028] It needs to be explained that the utility model discloses an epoxy resin cast dry-type transformer, and the heat dissipation assembly 2 is installed at the bottom of the epoxy resin cast dry-type transformer main body 1, through the operation of the heat dissipation fan 8, the external fresh air is inhaled through the position of the air inlet 4, is filtered through the filter screen 10, and then is blown to the epoxy resin cast dry-type transformer main body 1 through the air outlet honeycomb hole 6, plays the role of heat dissipation, the filter assembly 5 is arranged, when the filter assembly 5 is installed, first, the movable block 15 in the elastic pressure material assembly 12 is extruded, the movable block 15 is extruded along the installation groove 13 to the compression spring 14, then the rectangular frame 16 is inserted into the installation limiting sliding slot 9, the installation of the filter assembly 5 is completed, at this time, the compression spring 14 is in the extruded state, the stability of the filter assembly 5 after installation is increased through the reaction force released by the compression spring 14, and the filter assembly 5 is convenient to disassemble, and only needs to be directly extracted, so that the filter screen 10 is convenient to clean after disassembly.

[0029] It needs to be explained that in this paper, the relationship terms such as first and second (No. 1, No. 2) are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the term "includes", "contains" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitation, the element defined by the statement "including a" does not exclude the existence of another same element in the process, method, article or equipment including the element.

[0030] The basic principles and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed.

Claims

1. An epoxy cast dry-type transformer comprising an epoxy cast dry-type transformer main body (1), characterized by: The lower end outer surface of the epoxy resin cast dry-type transformer body (1) is fixedly installed with a heat dissipation assembly (2), the heat dissipation assembly (2) comprises a lower box (3), an air inlet (4), a filtering assembly (5), an air outlet honeycomb hole (6), a partition (7), a heat dissipation fan (8), a mounting limiting sliding groove (9), a filter screen (10), a handle (11) and an elastic pressing assembly (12), the number of the elastic pressing assembly (12) is two groups, the two groups of elastic pressing assemblies (12) are installed on the both sides of the outer surface of the upper end of the rectangular frame (16), the elastic pressing assembly (12) comprises a mounting groove (13), a compression spring (14), a movable block (15) and a rectangular frame (16), and the lower box (3) is fixedly installed at the bottom of the epoxy resin cast dry-type transformer body (1).

2. The epoxy cast dry-type transformer according to claim 1, characterized in that: The air inlet (4) is arranged on the lower end outer surface of the lower box (3), the air outlet honeycomb hole (6) is arranged on the upper end outer surface of the lower box (3), the partition (7) is fixedly installed on the upper portion of the inner cavity of the lower box (3), and the heat dissipation fan (8) is installed on the partition (7).

3. The epoxy cast dry-type transformer according to claim 2, characterized in that: The mounting limiting sliding groove (9) is arranged on one end outer surface of the lower box (3), and the mounting limiting sliding groove (9) is located on the upper portion of the air inlet (4) and the lower portion of the partition (7).

4. The epoxy cast dry-type transformer according to claim 3, characterized in that: The outer wall of the rectangular frame (16) is inserted into the mounting limiting sliding groove (9), the filter screen (10) is fixedly installed in the rectangular frame (16), and the handle (11) is fixedly installed on the middle portion of one end outer surface of the rectangular frame (16).

5. An epoxy cast dry-type transformer according to claim 4, characterized in that: The mounting groove (13) is arranged on the left and right sides of the upper end outer surface of the rectangular frame (16), the compression spring (14) is located in the mounting groove (13), and the compression spring (14) is fixedly installed between the lower end outer surface of the movable block (15) and the bottom of the mounting groove (13).

6. An epoxy cast dry-type transformer according to claim 5, characterized in that: The outer wall of the movable block (15) is slidably connected with the mounting groove (13), and the lower end outer surface of the movable block (15) is elastically connected with the bottom of the mounting groove (13) through the compression spring (14).

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