Shielding structure of electronic transformer

Abstract

The utility model relates to the technical field of electronic transformers, in particular to an electronic transformer shielding structure. Comprising a box body assembly, an assembling assembly and an insulating assembly, the box body assembly comprises a shielding top box and a shielding bottom box, the inner wall of the shielding top box is connected with a positioning seat, one end, far away from the shielding top box, of the positioning seat is connected with a positioning elastic sheet, one end of the shielding top box is connected with a plug board, one end of the shielding bottom box is connected with a base, and the base is connected with a plug board. An inserting groove is formed in the end, away from the base, of the shielding bottom box, one end of the splicing side plate is connected with a sealing cushion layer, the inner wall of the insulating layer sleeve is connected with an insulating inner pipe, and the inner wall of the insulating bottom ring is connected with a bottom ring cushion layer. After the insulation layer sleeve and the insulation bottom ring are connected, the pins of the electronic transformer penetrate through the insulation inner pipe and extend to the outer side of the base, and the pins of the electronic transformer are protected when penetrating through the base through the arrangement of the insulation inner pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic transformers, in particular to an electronic transformer shielding structure. Background Art

[0002] Electronic transformers are commonly used electronic components on circuit boards such as power supply circuits, and are composed of a skeleton, coils, iron cores or magnetic cores, etc. In some precision circuits or electronic equipment, electronic transformers need to be shielded to prevent the coil windings, iron cores, magnetic cores, etc. in the electronic transformers (especially high-frequency transformers) from radiating electromagnetic interference and affecting the normal operation of surrounding electronic circuits.

[0003] Traditional electronic transformers generally have a metal shielding shell added to the outside. This metal shielding shell is usually more suitable for installation on larger electronic transformers. Moreover, this metal shielding shell usually cannot cover the bottom of the electronic transformer that contacts the circuit board, and cannot cover the electronic transformer, and cannot meet the application scenarios with high requirements for electromagnetic interference (EMI). Utility Model Content

[0004] In view of the above problems, the purpose of the utility model is to provide an electronic transformer shielding structure to solve the problem that the bottom of the electronic transformer in contact with the circuit board cannot be covered, and the electronic transformer cannot be covered, and the application occasions with high requirements for electromagnetic interference (EMI) protection cannot be met. After the electronic transformer is placed inside the shielding bottom box, the plug-in board connected to the shielding top box is smoothly inserted into the plug-in slot, and then the shielding top box is contacted and fitted with the shielding bottom box, thereby realizing the shielding of the electronic transformer through the shielding top box and the shielding bottom box.

[0005] To achieve the above objectives, the utility model adopts the following technical solution: an electronic transformer shielding structure, comprising a box assembly, an assembly assembly, and an insulating assembly, wherein the box assembly comprises a shielding top box and a shielding bottom box, the assembly assembly comprises an assembly side panel, the insulating assembly comprises an insulating layer sleeve and an insulating bottom ring, the inner wall of the shielding top box is connected to a positioning seat, the end of the positioning seat away from the shielding top box is connected to a positioning spring piece, one end of the shielding top box is connected to a plug-in board, one end of the shielding bottom box is connected to a base seat, the end of the shielding bottom box away from the base seat is provided with a plug-in groove, the inner side of the base seat is provided with a wire insertion hole and a connecting hole, one end of the assembled side panel is connected to a sealing gasket, the inner wall of the insulating layer sleeve is connected to an insulating inner tube, and the inner wall of the insulating bottom ring is connected to a bottom ring gasket.

[0006] The beneficial effects of the utility model are as follows: after placing the electronic transformer inside the shielding bottom box, the plug-in board connected to the shielding top box is smoothly inserted into the plug-in slot, and then the shielding top box is contacted and fitted with the shielding bottom box, thereby shielding the electronic transformer through the shielding top box and the shielding bottom box. After the connection between the insulating layer sleeve and the insulating bottom ring is completed, the pins of the electronic transformer are passed through the insulating inner tube and extended to the outside of the base. The setting of the insulating inner tube is used to protect the pins of the electronic transformer passing through the base.

[0007] In order to achieve shielding of electronic transformers through shielded top box and shielded bottom box:

[0008] As a further improvement of the above technical solution: the size of the plug board matches the size of the plug slot, and the height of the plug board is the same as the depth of the plug slot.

[0009] The beneficial effect of this improvement is: after placing the electronic transformer inside the shielding bottom box, the plug-in board connected to the shielding top box is smoothly inserted into the plug-in slot, and then the shielding top box is contacted and fitted with the shielding bottom box, thereby achieving shielding of the electronic transformer through the shielding top box and the shielding bottom box.

[0010] In order to use the elasticity of the positioning spring to press the four sides of the electronic transformer:

[0011] As a further improvement of the above technical solution: the shielding bottom box and the base are arranged as an integrally formed structure, and the positioning springs are arranged on the four sides of the top inner wall of the shielding top box.

[0012] The beneficial effect of this improvement is that the positioning seat is provided to connect the positioning spring sheet to the shielding top box, and the positioning spring sheet can be provided to compress the four sides of the electronic transformer by utilizing the elasticity of the positioning spring sheet.

[0013] To assemble and connect the shielding top box and the shielding bottom box:

[0014] As a further improvement of the above technical solution: the assembled side panels are provided with four pieces in total, and every two pieces of the assembled side panels form a group for common use, and the assembled side panels in the same group are symmetrically arranged.

[0015] The beneficial effect of this improvement is that the shielding top box and the shielding bottom box are assembled and connected by setting the assembled side panels, and then the connected shielding top box and the shielding bottom box are used together to shield the electronic transformer.

[0016] In order to improve the sealing of the connection between the shielding top box and the shielding bottom box:

[0017] As a further improvement of the above technical solution: the sealing pad layer is a rubber pad, and an assembling hole is opened on the inner side of the assembling side panel.

[0018] The beneficial effects of this improvement are: through the setting of the assembly holes, two sets of assembly side panels on the same side are connected, and then through the connection of the assembly side panels, the assembly connection of the shielding top box and the shielding bottom box is realized, and through the setting of the sealing gasket layer, the sealing of the connection between the shielding top box and the shielding bottom box can be improved.

[0019] To connect the insulation sleeve to the insulation base ring using the connecting screw through the connecting hole:

[0020] As a further improvement of the above technical solution: the outer ring size of the insulating inner tube matches the inner ring size of the wire insertion hole, and a connecting hole is opened on the inner side of the insulating layer sleeve.

[0021] The beneficial effect of this improvement is: when in use, the insulating inner tube is inserted into the corresponding wire insertion hole until the bottom of the insulating layer sleeve contacts and fits with the base, and then the insulating bottom ring is sleeved on the outer ring of the insulating inner tube, and then a connecting screw is used to penetrate the connecting hole to connect the insulating layer sleeve and the insulating bottom ring.

[0022] For protection of electronic transformer pins passing through the base:

[0023] As a further improvement of the above technical solution: the height of the bottom ring cushion layer is the same as the height of the insulating bottom ring, and the bottom ring cushion layer is a hollow cylindrical rubber cushion layer.

[0024] The beneficial effect of this improvement is: after completing the connection between the insulating layer sleeve and the insulating bottom ring, the pins of the electronic transformer are passed through the insulating inner tube and extended to the outside of the base. The setting of the insulating inner tube is used to protect the pins of the electronic transformer passing through the base.

[0025] In order to be used for contact and bonding with the outer wall of the insulating inner tube:

[0026] As a further improvement of the above technical solution: a connection hole is opened on the inner side of the insulating bottom ring, and the inner ring size of the bottom ring cushion layer matches the outer ring size of the insulating inner tube.

[0027] The beneficial effect of this improvement is: after the insulating inner tube is inserted into the wire insertion hole, the lower part of the insulating inner tube passes through the wire insertion hole and extends out of the base, and then the bottom ring gasket is sleeved on the outer ring of the insulating inner tube. Through the setting of the bottom ring gasket, it is used to contact and fit with the outer wall of the insulating inner tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the explosion structure of the utility model.

[0029] Figure 2 It is a schematic cross-sectional structural diagram of the shielding top box of the utility model.

[0030] Figure 3 It is a structural schematic diagram of the insulating layer sleeve of the utility model.

[0031] Figure 4 It is a structural schematic diagram of the base of the utility model.

[0032] Figure 5 It is a structural schematic diagram of the insulating bottom ring of the utility model.

[0033] In the figure: 1. Box assembly; 11. Shielding top box; 12. Positioning spring; 13. Positioning seat; 14. Plug-in board; 15. Shielding bottom box; 16. Base; 17. Plug-in slot; 18. Wire insertion hole; 19. Connecting hole; 2. Assembling assembly; 21. Assembling side panel; 22. Sealing gasket; 23. Assembling hole; 3. Insulating assembly; 31. Insulating layer sleeve; 32. Insulating inner tube; 33. Insulating bottom ring; 34. Bottom ring gasket; 35. Connecting screw. DETAILED DESCRIPTION

[0034] In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the utility model.

[0035] like Figure 1-5As shown, an electronic transformer shielding structure includes a box assembly 1, an assembly assembly 2, and an insulating assembly 3. The box assembly 1 includes a shielding top box 11 and a shielding bottom box 15. The assembly assembly 2 includes an assembly side plate 21. The insulating assembly 3 includes an insulating layer sleeve 31 and an insulating bottom ring 33. The inner wall of the shielding top box 11 is connected to a positioning seat 13. The end of the positioning seat 13 away from the shielding top box 11 is connected to a positioning spring 12. One end of the shielding top box 11 is connected to a plug-in board 14. One end of the shielding bottom box 15 is connected to a base 16. The end of the shielding bottom box 15 away from the base 16 is provided with a plug-in slot 17. The base 1 6 is provided with a plug hole 18 and a connection hole 19, one end of the assembled side panel 21 is connected to a sealing gasket 22, the inner wall of the insulating layer sleeve 31 is connected to an insulating inner tube 32, the inner wall of the insulating bottom ring 33 is connected to a bottom ring gasket 34, the size of the plug board 14 matches the size of the plug slot 17, and the height of the plug board 14 is the same as the depth of the plug slot 17; after placing the electronic transformer inside the shielding bottom box 15, the plug board 14 connected to the shielding top box 11 is smoothly inserted into the inside of the plug slot 17, and then until the shielding top box 11 is in contact with the shielding bottom box 15, and then the electrical connection is realized through the shielding top box 11 and the shielding bottom box 15 The shielding of the sub-transformer, the shielding bottom box 15 and the base 16 are set as an integrally formed structure, the positioning spring 12 is set on the four sides of the top inner wall of the shielding top box 11; through the setting of the positioning seat 13, it is used to connect the positioning spring 12 with the shielding top box 11, and through the setting of the positioning spring 12, the four sides of the electronic transformer can be compressed by utilizing the elasticity of the positioning spring 12, and the assembling side panels 21 are provided with four pieces in total, and every two pieces of the assembling side panels 21 are used as a group, and the assembling side panels 21 of the same group are symmetrically arranged; through the setting of the assembling side panels 21, it is used to assemble and connect the shielding top box 11 and the shielding bottom box 15, and then The connected shielding top box 11 and the shielding bottom box 15 are used together for shielding the electronic transformer. The sealing pad layer 22 is a rubber pad. The inner side of the assembled side panel 21 is provided with an assembly hole 23. The assembly hole 23 is provided to connect the two groups of assembled side panels 21 on the same side, and then the assembly connection of the shielding top box 11 and the shielding bottom box 15 is realized by connecting the assembled side panels 21. The sealing pad layer 22 is provided to improve the sealing performance of the connection between the shielding top box 11 and the shielding bottom box 15. The outer ring size of the insulating inner tube 32 matches the inner ring size of the wire insertion hole 18. The inner side of the insulating layer sleeve 31 is provided with a connection hole 19.When in use, the insulating inner tube 32 is inserted into the corresponding wire insertion hole 18 until the bottom of the insulating layer sleeve 31 contacts and fits with the base 16, and then the insulating bottom ring 33 is sleeved on the outer ring of the insulating inner tube 32, and then the connecting screw 35 is used to penetrate the connecting hole 19 to connect the insulating layer sleeve 31 with the insulating bottom ring 33. The height of the bottom ring cushion 34 is the same as that of the insulating bottom ring 33, and the bottom ring cushion 34 is a hollow cylindrical rubber cushion. After completing the connection between the insulating layer sleeve 31 and the insulating bottom ring 33, the pins of the electronic transformer are passed through the insulating inner tube 32 and extended. To the outside of the base 16, through the setting of the insulating inner tube 32, it is used to protect the pins of the electronic transformer passing through the base 16. The inner side of the insulating bottom ring 33 is provided with a connecting hole 19, and the inner ring size of the bottom ring pad 34 matches the outer ring size of the insulating inner tube 32; after the insulating inner tube 32 is inserted into the wire insertion hole 18, the lower part of the insulating inner tube 32 passes through the wire insertion hole 18 and extends out of the base 16, and then the bottom ring pad 34 is sleeved on the outer ring of the insulating inner tube 32, and the bottom ring pad 34 is set to contact and fit with the outer wall of the insulating inner tube 32. ;

[0036] The working principle of the utility model is as follows: when in use, the insulating inner tube 32 is inserted into the corresponding wire insertion hole 18, and until the bottom of the insulating layer sleeve 31 contacts and fits with the base 16, at this time, the lower part of the insulating inner tube 32 passes through the wire insertion hole 18 and extends out of the base 16, and then the bottom ring gasket 34 is sleeved on the outer ring of the insulating inner tube 32, and the bottom ring gasket 34 is provided to contact and fit with the outer wall of the insulating inner tube 32, and then the connecting screw 35 is used to pass through the connecting hole 19 to connect the insulating layer sleeve 31 with the insulating bottom ring 33, and after placing the electronic transformer on the inner side of the shielding bottom box 15, the plug-in board 14 connected to the shielding top box 11 is smoothly inserted into the plug-in slot 17, and then until the shielding top box 11 contacts and fits with the shielding bottom box 15, the shielding top is provided through the assembly side panel 21, which is used to connect the shielding top The box 11 is assembled and connected with the shielding bottom box 15, and then the connected shielding top box 11 and the shielding bottom box 15 are used together to shield the electronic transformer. The assembly hole 23 is set to connect the two sets of assembly side panels 21 on the same side, and then the assembly connection of the shielding top box 11 and the shielding bottom box 15 is realized by connecting the assembly side panels 21. The sealing gasket layer 22 is set to improve the sealing of the connection between the shielding top box 11 and the shielding bottom box 15. The insulating inner tube 32 is set to protect the pins of the electronic transformer passing through the base 16. The positioning seat 13 is set to connect the positioning spring clip 12 with the shielding top box 11. The positioning spring clip 12 can be used to press the four sides of the electronic transformer by utilizing the elasticity of the positioning spring clip 12.

[0037] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0038] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. The above is only the preferred implementation method of the utility model. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principle of the utility model, they can make several improvements, modifications or changes, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should be regarded as the protection scope of the utility model.

Claims

1. An electronic transformer shielding structure, comprising a box assembly (1), an assembly assembly (2), and an insulating assembly (3), wherein the box assembly (1) comprises a shielding top box (11) and a shielding bottom box (15), the assembly assembly (2) comprises an assembly side plate (21), and the insulating assembly (3) comprises an insulating layer sleeve (31) and an insulating bottom ring (33), characterized in that: The inner wall of the shielding top box (11) is connected to a positioning seat (13), and the end of the positioning seat (13) away from the shielding top box (11) is connected to a positioning spring (12), one end of the shielding top box (11) is connected to a plug board (14), one end of the shielding bottom box (15) is connected to a base seat (16), and the end of the shielding bottom box (15) away from the base seat (16) is provided with a plug slot (17), and the inner side of the base seat (16) is provided with a wire insertion hole (18) and a connection hole (19), one end of the assembled side panel (21) is connected to a sealing gasket (22), the inner wall of the insulating layer sleeve (31) is connected to an insulating inner tube (32), and the inner wall of the insulating bottom ring (33) is connected to a bottom ring gasket (34).

2. The electronic transformer shielding structure according to claim 1, characterized in that: The size of the plug-in board (14) matches the size of the plug-in slot (17), and the height of the plug-in board (14) is the same as the depth of the plug-in slot (17).

3. The electronic transformer shielding structure according to claim 1, characterized in that: The shielding bottom box (15) and the base (16) are arranged as an integrally formed structure, and the positioning springs (12) are arranged on the four sides of the top inner wall of the shielding top box (11).

4. The electronic transformer shielding structure according to claim 1, characterized in that: There are four assembling side panels (21) in total, and two assembling side panels (21) form a group for common use, and the assembling side panels (21) in the same group are symmetrically arranged.

5. The electronic transformer shielding structure according to claim 1, characterized in that: The sealing pad layer (22) is a rubber pad, and an assembling hole (23) is provided on the inner side of the assembling side plate (21).

6. The electronic transformer shielding structure according to claim 1, characterized in that: The outer ring size of the insulating inner tube (32) matches the inner ring size of the wire insertion hole (18), and a connecting hole (19) is provided on the inner side of the insulating layer sleeve (31).

7. The electronic transformer shielding structure according to claim 1, characterized in that: The height of the bottom ring pad (34) is the same as that of the insulating bottom ring (33), and the bottom ring pad (34) is a hollow cylindrical rubber pad.

8. The electronic transformer shielding structure according to claim 1, characterized in that: A connecting hole (19) is provided on the inner side of the insulating bottom ring (33), and the inner ring size of the bottom ring cushion layer (34) matches the outer ring size of the insulating inner tube (32).

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