Filter

Abstract

The utility model discloses a filter, which comprises a lower die shell, an accommodating cavity is arranged in a cavity of the lower die shell, two sides of the accommodating cavity of the lower die shell are respectively provided with a first side wall and a second side wall, parallel transverse vertical walls are arranged between the end part of the first side wall and the end part of the second side wall, and the transverse vertical walls, the first side wall and the second side wall surround the periphery of the accommodating cavity; a plurality of terminals are arranged in the transverse vertical wall, and the terminals are arranged in the transverse vertical wall in an injection molding manner; the terminal is provided with a connecting end and a pin, the connecting end and the pin are located at the two ends of the terminal respectively, the connecting end on the terminal faces the opening end of the containing cavity, and the pin on the terminal is arranged on the outer side of the bottom end of the lower die shell; a plurality of transformers T1 are arranged in the containing cavity of the lower mold shell, and leads on the transformers T1 are electrically connected to the connecting ends. A first guide groove is formed in the side, close to the open end of the containing cavity, of the first side wall of the lower mold shell. The design can meet the power supply requirements of 180W and 200W, and the temperature rise of the power supply filter body does not exceed 30 DEG C.

Description

Technical Field

[0001] The utility model relates to the technical field of electric connectors, in particular to an Ethernet filter structure technology that can meet the requirements of high-power power supply and high-speed transmission. Background Art

[0002] Connectors are mainly installed on computer peripherals, servers, routers, switching equipment and other products. They are used for transmitting data and connecting peripherals, and are widely used in network, communication, automation control and other fields.

[0003] As electronic products become more and more diversified, filter performance is diversified, especially high-end products, which require high power and high transmission requirements. Currently, filters on the market generally have a power supply capacity of 60W and 90W (specifications 57V, 0.85A×2 groups), and very few can reach 120W (57V, 1.15A×2 groups). There are currently no 180W and 200W filter specifications.

[0004] The filters with POE (Power over Ethernet) power supply capability on the market are basically one-piece structures, and the winding method of the wire package (Transformer and CMC Choke) is a foot-wrap structure, and the wire package is wound around the pin (external terminal) of the terminal; the structure is complex and the labor investment cost is high.

[0005] Contents of the utility model

[0006] The purpose of the utility model is to overcome the shortcomings of the prior art and provide an Ethernet filter. The structural design of the utility model can meet the power supply requirements of 180W and 200W: 57V, 1.6A×2 groups of power supply solutions, and the temperature rise of the power supply filter body does not exceed 30°C.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A filter comprises a lower mold shell, wherein a receiving cavity is provided in the cavity of the lower mold shell, a first side wall and a second side wall are respectively provided on both sides of the receiving cavity of the lower mold shell, a parallel transverse wall is provided between the end of the first side wall and the end of the second side wall, and the transverse wall (two), the first side wall and the second side wall surround the receiving cavity;

[0009] A plurality of terminals are arranged in the transverse wall, and the terminals are arranged in the transverse wall by injection molding;

[0010] A plurality of transformers T1 are arranged in the receiving cavity of the lower mold shell, and the leads on the transformers T1 are electrically connected to the terminals;

[0011] A first guide groove is provided on one side of the first side wall of the lower mold shell near the opening end of the accommodating cavity, and a protruding buckle is provided in the first guide groove; a second guide groove is provided on one side of the second side wall of the lower mold shell near the opening end of the accommodating cavity, and another protruding buckle is provided in the second guide groove;

[0012] The lower mold shell is provided with a buckled upper cover, and the short sides of the upper cover are respectively provided with a first side edge and a second side edge, and the first side edge is provided with a first guide member protruding toward the lower mold shell and matching with the first guide groove, and the first guide member is embedded in the first guide groove, and the first guide member is provided with a locking groove corresponding to the buckle in the first guide groove, and the locking groove on the first guide member is buckled on the buckle in the first guide groove.

[0013] Furthermore, in one embodiment, the transformer T1 is made of manganese-zinc ferrite, and the outer dimension of the transformer T1 magnetic ring is 3.9 mm or more; the terminal thickness is 0.2 mm or more, the width is 0.25 mm or more, and the terminal is made of highly conductive copper-containing material.

[0014] Furthermore, in one embodiment, the copper wire wound on the transformer T1 is an enameled wire, the enameled wire transmits power in a single wire, and the wire diameter of the copper wire in the enameled wire is above 0.20 mm.

[0015] Furthermore, in one embodiment, the copper wire wound on the transformer T1 is an enameled wire, which is wound in a twisted pair manner, and the wire diameter (conductor diameter) of the enameled wire is 0.114 mm×2 or above.

[0016] Furthermore, in one embodiment, the copper wire wound on the transformer T1 is an enameled wire, the enameled wire is wound with three-twisted wire transmission, and the wire diameter of the enameled wire is 0.10 mm×3 or above.

[0017] Further, in one embodiment, the terminal (metal) is provided with a connection end and a pin, the connection end and the pin are respectively located at both ends of the terminal, the connection end on the terminal faces the opening end of the accommodating cavity, and the pin on the terminal is arranged outside the bottom end of the lower mold shell; the lead wire on the transformer T1 is electrically connected to the connection end;

[0018] A parallel transverse side is provided between the first side end and the second side end, and the first side, the transverse side (two sides) and the second side surround the upper cover facing the lower mold shell;

[0019] A second guide piece is provided on the second side edge, protruding toward the lower mold shell and matching with the second guide groove. The second guide piece is embedded in the second guide groove. The second guide piece is provided with a positioning groove corresponding to another buckle in the second guide groove. The positioning groove on the second guide piece is buckled on the buckle in the second guide groove.

[0020] Further, in one embodiment, the width D1 of the second guide member is greater than the width D2 of the first guide member, the width D3 of the second guide groove is equal to or greater than the width D1 of the second guide member, the width D4 of the first guide groove is equal to or greater than the width D2 of the first guide member, and the width D3 of the second guide groove is greater than the width D4 of the first guide groove.

[0021] Furthermore, in one embodiment, a plurality of heat dissipation slots are provided on the lateral sides of the upper cover, support columns are provided between adjacent heat dissipation slots, and the support columns are disposed against the horizontal walls.

[0022] Furthermore, in one embodiment, an oblique groove inclined toward the accommodating cavity is formed on the top of the transverse wall, and the oblique groove is arranged on a side of the connecting end of the terminal (metal) close to the accommodating cavity.

[0023] Furthermore, in one embodiment, the connection end of the terminal extends upward and protrudes from the upper side of the horizontal wall, and the lead wire on the transformer T1 is inserted through the oblique groove and then wrapped and welded to be set on the connection end; a plurality of common-mode chokes T2 are arranged in the accommodating cavity of the lower mold shell, and the lead wire on the common-mode choke T2 is inserted through the oblique groove and then wrapped and welded to be set on the connection end.

[0024] Furthermore, in one embodiment, a PAD pad is provided on the top of the transverse wall, the connecting end of the terminal (metal) is welded and set on the PAD pad, and the lead wire on the transformer T1 is inserted through the oblique groove and fixed on the PAD pad by spot welding; a plurality of common-mode chokes T2 are provided in the accommodating cavity of the lower mold shell, and the lead wire on the common-mode choke T2 is inserted through the oblique groove and fixed on the PAD pad by spot welding.

[0025] The utility model is applied to Ethernet communication connector equipment, such as: small base stations, servers / switches, PCs, notebooks, routers, network TVs, security cameras, game consoles and other equipment that use RJ45 network port connector Ethernet. Filter, RJ45 connector.

[0026] 1. The utility model product is composed of an upper cover (lid), a lower mold shell, metal terminals on the lower mold shell, and a wire package (T1 magnetic core, T2 magnetic core, and copper wire wound on the magnetic core);

[0027] 2. The implementation of 180W POE (Power over Ethernet) mainly adopts the design of wire package and the design and material selection of metal terminals:

[0028] Transformer T1 (T1 core) is made of manganese-zinc ferrite, which is resistant to high temperatures over a wide temperature range and can work normally at -40 to 115°C. The outer size of the magnetic ring is 3.9mm or above.

[0029] The copper wire wound on the transformer T1 (T1 core) is an enameled wire. If a single-wire transmission power supply is used, the diameter of the copper wire in the enameled wire should be above 0.20 mm.

[0030] If the power supply is transmitted by multi-twisted wires, the enameled wire needs to be twisted pair, with a wire diameter (conductor diameter) of 0.114mm×2 or above;

[0031] Three-twisted wire transmission method, wire diameter is 0.10mm×3 and above;

[0032] The metal terminal design on the lower mold shell: the terminal thickness is 0.2mm and above, the width is 0.25mm and above, and the material is made of highly conductive copper;

[0033] 3. The filter structure adopts a combined structure with upper and lower buckles. The wire package is placed inside the lower mold shell, and the enameled wire is welded on the terminal;

[0034] The upper cover is buckled on the lower mold shell, and the buckle points are divided into large / small buckle points to prevent assembly dislocation / reverse;

[0035] The lower mold shell and upper cover are made of high temperature plastic materials that are resistant to IR (reflow soldering).

[0036] 4. This product can meet the Ethernet transmission rate requirements of IEEE802.3 Association specifications: 1Gbase-t, 2.5Gbase-t, 5G base-t, and 10G base-t according to different line package structures.

[0037] The wire package (transformer T1, common mode choke T2) and the terminal can be welded by tinning: the wire package is wound on the PIN terminal, or fixed by spot welding: the wire package is welded on the PAD pad. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 Shown is a schematic structural diagram of an embodiment of the utility model;

[0039] Figure 2 The figure is a schematic diagram of the structure of the lower mold shell part of the embodiment of the utility model;

[0040] Figure 3 The figure is a schematic diagram of the structure of the upper cover part of the embodiment of the utility model;

[0041] Figure 4 Shown is an assembly structure diagram of an embodiment of the utility model;

[0042] Figure 5 Shown is a schematic diagram of the assembly of an embodiment of the utility model.

[0043] Description of labels:

[0044] Lower mold shell 11, transverse wall 12, first side wall 13, first guide groove 14, second guide groove 15, buckle 16, accommodating cavity 17, second side wall 19, upper cover 21, first side edge 22, transverse side edge 23, second guide member 24, first guide member 25, positioning groove 26, heat dissipation groove 27, support column 28, second side edge 29, terminal 31, oblique groove 32, lead 33, PAD pad 34, connecting end 36, pin 37. DETAILED DESCRIPTION

[0045] In order to further understand the features, technical means and specific purposes and functions achieved by the present invention, and analyze the advantages and spirit of the present invention, a further understanding is obtained through the following detailed description of the present invention in combination with the accompanying drawings and specific implementation methods.

[0046] See attached Figure 2 As shown, attached Figure 2 The relevant structure of the lower mold shell 11 of the present product is shown in the figure. The present application includes the lower mold shell 11. A accommodating cavity 17 is provided in the cavity of the lower mold shell 11. A first side wall 13 and a second side wall 19 are provided on both sides of the accommodating cavity 17 of the lower mold shell 11. A parallel horizontal wall 12 is provided between the end of the first side wall 13 and the end of the second side wall 19. The horizontal walls 12 (two), the first side wall 13 and the second side wall 19 surround the accommodating cavity 17.

[0047] Further, in one embodiment of the present application, a plurality of terminals 31 are provided in the transverse wall 12, and the terminals 31 are provided in the transverse wall 12 by injection molding, see the attached Figure 4 As shown, attached Figure 4 The associated structure of the terminal 31 of this product is shown in the figure. The terminal 31 (metal) is provided with a connecting end 36 and a pin 37. The connecting end 36 and the pin 37 are respectively located at the two ends of the terminal 31. The connecting end 36 on the terminal 31 faces the open end of the accommodating cavity 17, and the pin 37 on the terminal 31 is arranged on the outer side of the bottom end of the lower mold shell 11; the top of the horizontal wall 12 is provided with an oblique groove 32 inclined toward the accommodating cavity 17, and the oblique groove 32 is arranged on the side of the connecting end 36 of the terminal 31 (metal) close to the accommodating cavity 17; a plurality of transformers T1 are arranged in the accommodating cavity 17 of the lower mold shell 11, and the leads 33 on the transformer T1 are electrically connected and arranged on the connecting end 36.

[0048] See attached Figure 3 As shown, attached Figure 3 The figure shows the side structure of the lower mold shell 11 of the present product. A first guide groove 14 is provided on the first side wall 13 of the lower mold shell 11 near the opening end of the accommodating cavity 17, and a protruding buckle 16 is provided in the first guide groove 14; a second guide groove 15 is provided on the second side wall 19 of the lower mold shell 11 near the opening end of the accommodating cavity 17, and another protruding buckle 16 is provided in the second guide groove 15.

[0049] Further, in one of the embodiments of the present application, see the attached Figure 1 As shown, attached Figure 1 The relevant structure of the upper cover 21 of the product is shown in the figure. The lower mold shell 11 is provided with a buckled upper cover 21. The short sides of the upper cover 21 are respectively provided with a first side 22 and a second side 29. A parallel transverse side 23 is provided between the end of the first side 22 and the end of the second side 29. The first side 22, the transverse side 23 (two sides) and the second side 29 surround the upper cover 21 facing the lower mold shell 11. The first side 22 is provided with a first guide member 25 protruding toward the lower mold shell 11 and matching with the first guide groove 14. The first guide member 25 is embedded in the first guide groove 14. The first guide member 25 is provided with a clamping groove 26 matching with the buckle 16 in the first guide groove 14. The clamping groove 26 on the first guide member 25 is buckled on the buckle 16 in the first guide groove 14.

[0050] The second side edge 29 is provided with a second guide piece 24 protruding toward the lower mold shell 11 and matching with the second guide groove 15. The second guide piece 24 is embedded in the second guide groove 15. The second guide piece 24 is provided with a locking groove 26 matching with another buckle 16 in the second guide groove 15. The locking groove 26 on the second guide piece 24 is buckled on the buckle 16 in the second guide groove 15.

[0051] See attached Figure 3 As shown, attached Figure 3 The anti-mistake structure of the upper and lower buckles of this product is shown in the figure. The width D1 of the second guide member 24 is greater than the width D2 of the first guide member 25. The width D3 of the second guide groove 15 is equal to or greater than the width D1 of the second guide member 24. The width D4 of the first guide groove 14 is equal to or greater than the width D2 of the first guide member 25. The width D3 of the second guide groove 15 is greater than the width D4 of the first guide groove 14.

[0052] A plurality of heat dissipation slots 27 are formed on the lateral side 23 of the upper cover 21 . Support columns 28 are disposed between adjacent heat dissipation slots 27 . The support columns 28 are disposed against the horizontal wall 12 .

[0053] In one embodiment, see the attached Figure 4 As shown, attached Figure 4 The winding tin-immersion structure of this product is shown in the figure. The connecting end 36 of the terminal 31 extends upward and protrudes from the upper side of the horizontal wall 12. The lead 33 on the transformer T1 is inserted through the oblique groove 32 and then wound and welded to be set on the connecting end 36; a plurality of common-mode chokes T2 are arranged in the accommodating cavity 17 of the lower mold shell 11. The lead 33 on the common-mode choke T2 is inserted through the oblique groove 32 and then wound and welded to be set on the connecting end 36.

[0054] In one embodiment, see the attached Figure 5 As shown, attached Figure 5 The wire-clamping spot welding fixing structure of the product is shown in the figure, in which a PAD pad 34 is provided on the top of the horizontal wall 12, and the connecting end 36 of the terminal 31 (metal) is welded and set on the PAD pad 34. The lead 33 on the transformer T1 is inserted through the oblique groove 32 and then fixed on the PAD pad 34 by spot welding; a plurality of common-mode chokes T2 are provided in the accommodating cavity 17 of the lower mold shell 11, and the lead 33 on the common-mode choke T2 is inserted through the oblique groove 32 and then fixed on the PAD pad 34 by spot welding.

[0055] The above embodiments only express several preferred implementations of the utility model, and the descriptions thereof are relatively specific and detailed. It should be understood that the utility model is not limited to the forms disclosed herein, and should not be regarded as the exclusion of other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept described herein through the above teachings or the technology or knowledge in the relevant fields, and cannot be understood as limiting the scope of the utility model. It should be pointed out that for ordinary technicians in this field, several deformations and improvements can be made without departing from the concept of the utility model. The changes and modifications made by the personnel in this field do not depart from the spirit and scope of the utility model, and all of these belong to the protection scope of the claims attached to the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A filter, comprising: A lower mold shell (11), wherein a receiving cavity (17) is provided in the cavity of the lower mold shell (11); characterized in that a first side wall (13) and a second side wall (19) are respectively provided on both sides of the receiving cavity (17) of the lower mold shell (11), and a parallel transverse wall (12) is provided between the end of the first side wall (13) and the end of the second side wall (19), and the transverse wall (12), the first side wall (13), and the second side wall (19) surround the receiving cavity (17); A plurality of terminals (31) are provided in the transverse wall (12), and the terminals (31) are arranged in the transverse wall (12) by injection molding; A plurality of transformers T1 are arranged in the accommodating cavity (17) of the lower mold shell (11), and the leads (33) on the transformers T1 are electrically connected to the terminals (31); A first guide groove (14) is provided on the first side wall (13) of the lower mold shell (11) near the opening end of the accommodating cavity (17), and a protruding buckle (16) is provided in the first guide groove (14); a second guide groove (15) is provided on the second side wall (19) of the lower mold shell (11) near the opening end of the accommodating cavity (17), and another protruding buckle (16) is provided in the second guide groove (15); The lower mold shell (11) is provided with a buckled upper cover (21), and the short sides of the upper cover (21) are respectively provided with a first side edge (22) and a second side edge (29), and the first side edge (22) is provided with a first guide member (25) protruding toward the lower mold shell (11) and matching with the first guide groove (14), and the first guide member (25) is embedded in the first guide groove (14); the first guide member (25) is provided with a locking groove (26) matching with the buckle (16) in the first guide groove (14), and the locking groove (26) on the first guide member (25) is buckled on the buckle (16) in the first guide groove (14).

2. A filter according to claim 1, characterized in that: The transformer T1 is made of manganese-zinc ferrite, and the outer dimensions of the magnetic ring of the transformer T1 are 3.9 mm or more; the thickness of the terminal (31) is 0.2 mm or more, and the width is 0.25 mm or more, and the terminal (31) is made of a highly conductive copper-containing material.

3. A filter according to claim 1, characterized in that: The copper wire wound on the transformer T1 is an enameled wire, the enameled wire is used for single-wire transmission of power, and the wire diameter of the copper wire in the enameled wire is above 0.20 mm; Or the enameled wire is wound in a twisted pair manner, and the wire diameter of the enameled wire is 0.114 mm×2 or more; Or the enameled wire is wound with three-twisted wires, and the wire diameter of the enameled wire is 0.10 mm×3 or above.

4. A filter according to claim 1, characterized in that: The terminal (31) is provided with a connection end (36) and a pin (37), the connection end (36) and the pin (37) are respectively located at two ends of the terminal (31), the connection end (36) on the terminal (31) faces the open end of the accommodating cavity (17), and the pin (37) on the terminal (31) is arranged on the outside of the bottom end of the lower mold shell (11); the lead wire (33) on the transformer T1 is electrically connected to the connection end (36); A parallel lateral side (23) is provided between the end of the first side (22) and the end of the second side (29), and the first side (22), the lateral side (23), and the second side (29) surround the upper cover (21) on all sides facing the lower mold shell (11); The second side edge (29) is provided with a second guide member (24) protruding toward the lower mold shell (11) and matching with the second guide groove (15); the second guide member (24) is embedded in the second guide groove (15); the second guide member (24) is provided with a locking groove (26) matching with the other buckle (16) in the second guide groove (15); the locking groove (26) on the second guide member (24) is buckled on the buckle (16) in the second guide groove (15).

5. A filter according to claim 4, characterized in that: The width D1 of the second guide member (24) is greater than the width D2 of the first guide member (25), and the width D3 of the second guide groove (15) is equal to or greater than the width D1 of the second guide member (24); the width D4 of the first guide groove (14) is equal to or greater than the width D2 of the first guide member (25), and the width D3 of the second guide groove (15) is greater than the width D4 of the first guide groove (14).

6. A filter according to claim 4, characterized in that: A plurality of heat dissipation slots (27) are provided on the lateral side (23) of the upper cover (21), support columns (28) are provided between adjacent heat dissipation slots (27), and the support columns (28) are disposed in contact with the horizontal wall (12).

7. A filter according to claim 4, characterized in that: An oblique groove (32) inclined towards the accommodating cavity (17) is provided at the top of the transverse wall (12); the oblique groove (32) is arranged on a side of the connecting end (36) of the terminal (31) close to the accommodating cavity (17).

8. A filter according to claim 7, characterized in that: The connecting end (36) of the terminal (31) extends upward and protrudes from the upper side of the horizontal wall (12); the lead wire (33) on the transformer T1 is inserted through the oblique groove (32) and then wound and welded to be arranged on the connecting end (36); a plurality of common-mode choke coils T2 are arranged in the accommodating cavity (17) of the lower mold shell (11); the lead wire (33) on the common-mode choke coil T2 is inserted through the oblique groove (32) and then wound and welded to be arranged on the connecting end (36).

9. A filter according to claim 7, characterized in that: A PAD pad (34) is provided on the top of the horizontal wall (12); the connection end (36) of the terminal (31) is welded and arranged on the PAD pad (34); the lead wire (33) on the transformer T1 is inserted through the oblique groove (32) and then fixedly arranged on the PAD pad (34) by spot welding; and a plurality of common-mode choke coils T2 are provided in the accommodating cavity (17) of the lower mold shell (11); the lead wire (33) on the common-mode choke coil T2 is inserted through the oblique groove (32) and then fixedly arranged on the PAD pad (34) by spot welding.

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