Shell and network transformer

Abstract

The utility model belongs to the technical field of network transformers, and discloses a shell and a network transformer, the shell is used for covering the periphery of a coil assembly, the coil assembly comprises a magnetic ring and an enameled wire wound around the periphery of the magnetic ring, a first pin hole and a second pin hole are formed in the two ends of the shell in the X-axis direction respectively, and the first pin hole and the second pin hole are communicated with each other. A first pin hole is formed in the magnetic ring, a second pin hole is formed in the magnetic ring, a partition plate is arranged between the first pin hole and the second pin hole, the first pin hole is used for inserting a low-voltage PIN, the second pin hole is used for inserting a high-voltage PIN, and the partition plate is used for separating the magnetic ring from the high-voltage PIN. According to the utility model, the partition plate is arranged on the shell, and the magnetic ring and the high-voltage PIN are separated by using the partition plate, so that the creepage distance between the high-voltage PIN and the magnetic ring is prolonged, and the safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of network transformers, in particular to a shell and a network transformer. Background Art

[0002] A network transformer is an electronic component that has functions such as signal transmission, impedance matching, waveform repair, signal clutter suppression and high voltage isolation, and is widely used in Ethernet equipment.

[0003] Existing network transformers, such as application number CN202320857836.8, are named network transformers, including a housing, a coil assembly disposed inside the housing, and a PIN inserted into the housing and electrically connected to the coil assembly. After the network transformer is installed in the Ethernet device, the PIN is electrically connected to the electrical component, and the PIN is divided into a high-voltage PIN and a low-voltage PIN. However, in order to miniaturize the existing network transformers, the size of the housing is reduced, the distance between the high-voltage PIN and the coil assembly is shortened, the creepage distance is insufficient, and the safety is reduced. Utility Model Content

[0004] The utility model aims to provide a shell and a network transformer, wherein a partition is arranged on the shell, and a magnetic ring and a high-voltage PIN needle are separated by the partition, so as to extend the creepage distance between the high-voltage PIN needle and the magnetic ring and improve safety.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] In a first aspect, a shell is provided for covering the periphery of a coil assembly, wherein the coil assembly includes a magnetic ring and an enameled wire wound around the periphery of the magnetic ring, wherein a first pin hole and a second pin hole are respectively provided at both ends of the shell along the X-axis direction, and a partition is provided between the first pin hole and the second pin hole, wherein the first pin hole is used for inserting a low-voltage PIN needle, and the second pin hole is used for inserting a high-voltage PIN needle, and the partition is used to separate the magnetic ring from the high-voltage PIN needle.

[0007] As an optional technical solution, a accommodating cavity is provided inside the shell, and the accommodating cavity is provided with a plurality of partitions arranged at intervals along the X-axis direction, and the plurality of partitions divide the accommodating cavity into a plurality of accommodating slots, and the magnetic ring is accommodated in the accommodating slot farthest from the second pin hole.

[0008] As an optional technical solution, the accommodating groove closest to the second pin hole is provided with a first marking portion.

[0009] As an optional technical solution, the partition extends along the Y-axis direction, and two ends of the partition extending along the Y-axis direction are respectively abutted against the inner wall of the accommodating cavity.

[0010] As an optional technical solution, a first inclined surface is provided on one side of the first pin hole, the bending section of the low-voltage PIN needle is bent toward the first inclined surface, and the enameled wire is connected to the bending section of the low-voltage PIN needle at the first inclined surface; and / or

[0011] A second inclined surface is provided on one side of the second pin hole, the bent section of the high-voltage PIN needle is bent toward the second inclined surface, and the enameled wire is connected to the bent end of the high-voltage PIN needle at the second inclined surface.

[0012] As an optional technical solution, the first inclined surface is located on a side of the first pin hole away from the accommodating cavity, and the bent section of the low-voltage PIN needle is bent toward a side away from the accommodating cavity; and / or

[0013] The second inclined surface is located at a side of the second pin hole away from the accommodating cavity, and the bent section of the high-voltage PIN needle is bent toward a side away from the accommodating cavity.

[0014] As an optional technical solution, a first avoidance groove is provided on one side of the first pin hole, the first avoidance groove connects the accommodating cavity with the outside of the shell, and the enameled wire passes through the first avoidance groove from the accommodating cavity and is connected to the bent section of the low-voltage PIN needle; and / or

[0015] A second avoidance groove is provided on one side of the second pin hole, and the second avoidance groove connects the accommodating cavity with the outside of the shell. The enameled wire passes through the second avoidance groove from the accommodating cavity and is connected to the bent section of the low-voltage PIN needle.

[0016] As an optional technical solution, the edge of the first avoidance groove is set as a rounded structure; and / or

[0017] The edge of the second avoidance groove is configured as a rounded structure.

[0018] As an optional technical solution, the partition is provided with a clamping opening, and the clamping opening is used to clamp the enameled wire.

[0019] In a second aspect, a network transformer is provided, which includes a coil assembly, a low-voltage PIN needle, a high-voltage PIN needle and a shell as described above, wherein the low-voltage PIN needle is inserted into the first pin hole, and the high-voltage PIN needle is inserted into the second pin hole, the coil assembly includes a magnetic ring and an enameled wire wound around the circumference of the magnetic ring, the enameled wire is connected to the low-voltage PIN needle and the high-voltage PIN needle, and the magnetic ring is arranged on the side of the partition away from the high-voltage PIN needle.

[0020] The beneficial effects of the utility model are:

[0021] The utility model provides a shell and a network transformer, the network transformer includes the shell, the shell is used to cover the periphery of the coil assembly, the coil assembly includes a magnetic ring and an enameled wire wound around the periphery of the magnetic ring. The utility model respectively sets a first pin hole and a second pin hole at both ends of the shell along the X-axis direction, the low-voltage PIN needle is inserted into the first pin hole, and the high-voltage PIN needle is inserted into the second pin hole. A partition is provided between the first pin hole and the second pin hole, and the partition is used to separate the magnetic ring from the high-voltage PIN needle, so as to extend the creepage distance between the high-voltage PIN needle and the magnetic ring and improve safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The utility model is further described in detail below according to the accompanying drawings and embodiments;

[0023] Figure 1 A schematic structural diagram of a housing according to an embodiment from a first viewing angle;

[0024] Figure 2 A schematic structural diagram of the housing according to the embodiment from a second viewing angle;

[0025] Figure 3 It is a schematic diagram of the structure of the network transformer described in the embodiment.

[0026] In the figure:

[0027] 100, housing; 201, magnetic ring; 202, enameled wire; 301, low-voltage PIN needle; 302, high-voltage PIN needle;

[0028] 11. First pin hole; 12. Second pin hole; 13. Partition; 131. Clamping port; 14. Accommodating cavity; 141. Accommodating groove; 15. First marking portion; 16. First inclined surface; 17. Second inclined surface; 18. First avoidance groove; 19. Second avoidance groove; 110. Second marking portion. DETAILED DESCRIPTION

[0029] In order to make the technical problems solved by the utility model, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the embodiments of the utility model will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0030] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0032] In the description of this article, it should be understood that the terms "upper", "lower", "left", "right", etc., and the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0033] In the description of this specification, the description with reference to the terms "an embodiment", "example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example.

[0034] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0035] like Figure 1 and 2As shown, this embodiment provides a shell 100, which is used to cover the periphery of the coil assembly. The coil assembly includes a magnetic ring 201 and an enameled wire 202 wound around the periphery of the magnetic ring 201. The shell 100 is provided with a first pin hole 11 and a second pin hole 12 at both ends along the X-axis direction, respectively. A partition 13 is provided between the first pin hole 11 and the second pin hole 12. The first pin hole 11 is used to insert a low-voltage PIN needle 301, and the second pin hole 12 is used to insert a high-voltage PIN needle 302. The partition 13 is used to separate the magnetic ring 201 from the high-voltage PIN needle 302.

[0036] Specifically, in this embodiment, a first pin hole 11 and a second pin hole 12 are respectively provided at both ends of the shell 100 along the X-axis direction, the low-voltage PIN needle 301 is inserted into the first pin hole 11, and the high-voltage PIN needle 302 is inserted into the second pin hole 12. A partition 13 is provided between the first pin hole 11 and the second pin hole 12. The partition 13 is used to separate the magnetic ring 201 from the high-voltage PIN needle 302, thereby extending the creepage distance between the high-voltage PIN needle 302 and the magnetic ring 201 and improving safety.

[0037] Optionally, the housing 100 is provided with a plurality of low-voltage PIN needles 301 and a plurality of high-voltage PIN needles 302 , wherein the plurality of low-voltage PIN needles 301 are arranged at intervals along the Y-axis direction, and the plurality of high-voltage PIN needles 302 are arranged at intervals along the Y-axis direction.

[0038] The connection method between the coil assembly and the low voltage PIN needle 301 and the high voltage PIN needle 302 can refer to the prior art, and will not be described in detail in this embodiment.

[0039] Optionally, a housing chamber 14 is provided inside the shell 100, and the housing chamber 14 is provided with a plurality of partitions 13 arranged at intervals along the X-axis direction. The plurality of partitions 13 divide the housing chamber 14 into a plurality of housing grooves 141, and the magnetic ring 201 is accommodated in the housing groove 141 farthest from the second pin hole 12.

[0040] In this embodiment, the accommodating cavity 14 is provided with two partitions 13 arranged at intervals along the X-axis direction, and the two partitions 13 divide the accommodating cavity 14 into three accommodating grooves 141. The magnetic ring 201 is accommodated in the accommodating groove 141 farthest from the second pin hole 12 to extend the creepage distance between the magnetic ring 201 and the high-voltage PIN needle 302. In some other embodiments, the accommodating cavity 14 is provided with one partition 13, three partitions 13, four partitions 13, or even more.

[0041] In this embodiment, the depth direction of the accommodating cavity 14 is the Z-axis direction.

[0042] Optionally, the receiving groove 141 closest to the second pin hole 12 is provided with a first marking portion 15. The first marking portion 15 is a circular groove, so that the operator can quickly identify the installation position of the magnetic ring 201 to avoid misalignment of the magnetic ring 201.

[0043] Optionally, the outer wall of the housing 100 away from the accommodating cavity 14 is provided with a second marking portion 110, and the second marking portion 110 is located on the side of the housing 100 close to the second pin hole 12. The second marking portion 110 is a recessed groove, so that the operator can quickly identify the orientation of the network transformer and avoid misplacing the network transformer.

[0044] Optionally, the partition 13 extends along the Y-axis direction, and both ends of the partition 13 extending along the Y-axis direction respectively abut against the inner wall of the accommodating cavity 14. The partition 13 is used as a reinforcing rib to improve the structural strength of the housing 100.

[0045] Optionally, a first inclined surface 16 is provided on one side of the first pin hole 11, and the bending section of the low-voltage PIN needle 301 is bent toward the first inclined surface 16, and the enameled wire 202 is connected to the bending section of the low-voltage PIN needle 301 at the first inclined surface 16. When the bending section of the low-voltage PIN needle 301 is subjected to force, for example, the enameled wire 202 and the bending section of the low-voltage PIN needle 301 are welded, and the bending section of the low-voltage PIN needle 301 is subjected to force and elastically deforms, and the first inclined surface 16 plays a role of avoiding the bending section of the low-voltage PIN needle 301, and the first inclined surface 16 plays a role of buffering the enameled wire 202, so that the enameled wire 202 is not easy to break.

[0046] Optionally, a second inclined surface 17 is provided on one side of the second pin hole 12, the bent section of the high-voltage PIN needle 302 is bent toward the second inclined surface 17, and the enameled wire 202 is connected to the bent end of the high-voltage PIN needle 302 at the second inclined surface 17. The function of the second inclined surface 17 is the same as that of the first inclined surface 16, which will not be repeated here.

[0047] Optionally, the first inclined surface 16 is located on the side of the first pin hole 11 away from the accommodating chamber 14, and the bent section of the low-voltage PIN needle 301 is bent toward the side away from the accommodating chamber 14. The first inclined surface 16 is arranged on the side of the first pin hole 11 away from the accommodating chamber 14, so that the bent section of the low-voltage PIN needle 301 is bent toward the side away from the accommodating chamber 14, thereby preventing the bent section of the low-voltage PIN needle 301 from scratching the components inside the accommodating chamber 14, such as the enameled wire 202.

[0048] Optionally, the second inclined surface 17 is located on the side of the second pin hole 12 away from the accommodating cavity 14, and the bent section of the high-voltage PIN needle 302 is bent toward the side away from the accommodating cavity 14. Similarly, the second inclined surface 17 is arranged on the side of the second pin hole 12 away from the accommodating cavity 14, so that the bent section of the high-voltage PIN needle 302 is bent toward the side away from the accommodating cavity 14, thereby preventing the bent section of the high-voltage PIN needle 302 from scratching the components inside the accommodating cavity 14, such as the enameled wire 202.

[0049] Optionally, a first avoidance groove 18 is provided on one side of the first pin hole 11, and the first avoidance groove 18 connects the accommodating chamber 14 with the outside of the housing 100. The enameled wire 202 passes through the first avoidance groove 18 from the accommodating chamber 14 and is connected to the bent section of the low-voltage PIN needle 301. The first avoidance groove 18 avoids the enameled wire 202, and after the network transformer is installed on the electrical component, the housing 100 can prevent the enameled wire 202 from being crushed.

[0050] Optionally, a second avoidance groove 19 is provided on one side of the second pin hole 12, and the second avoidance groove 19 connects the accommodating chamber 14 with the outside of the housing 100, and the enameled wire 202 passes through the second avoidance groove 19 from the accommodating chamber 14 and is connected to the bent section of the low-voltage PIN needle 301. The second avoidance groove 19 avoids the enameled wire 202, and after the network transformer is installed on the electrical component, the housing 100 can prevent the enameled wire 202 from being crushed.

[0051] Optionally, the edge of the first avoidance groove 18 is configured as a rounded structure to prevent the enameled wire 202 from being cut by the edge of the first avoidance groove 18 .

[0052] Optionally, the edge of the second avoidance groove 19 is configured as a rounded structure to prevent the enameled wire 202 from being cut by the edge of the second avoidance groove 19 .

[0053] Optionally, the partition 13 is provided with a clamping opening 131 , and the clamping opening 131 is used to clamp the enameled wire 202 , and to shape and position the enameled wire 202 , so that the enameled wire 202 is arranged in order in the accommodating cavity 14 .

[0054] like Figure 3 As shown, this embodiment also provides a network transformer, which includes a coil assembly, a low-voltage PIN needle 301, a high-voltage PIN needle 302 and a shell 100 as above, the low-voltage PIN needle 301 is inserted into the first pin hole 11, the high-voltage PIN needle 302 is inserted into the second pin hole 12, the coil assembly includes a magnetic ring 201 and an enameled wire 202 wound around the magnetic ring 201, the enameled wire 202 is connected to the low-voltage PIN needle 301 and the high-voltage PIN needle 302, and the magnetic ring 201 is arranged on the side of the partition 13 away from the high-voltage PIN needle 302.

[0055] The model of the network transformer in this embodiment is TM0612SR.

[0056] In addition, the above are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the scope of protection of the present invention. Therefore, although the present invention is described in more detail through the above embodiments, the present invention is not limited to the above embodiments, and may include more other equivalent embodiments without departing from the concept of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A housing, used to cover the periphery of a coil assembly, wherein the coil assembly comprises a magnetic ring (201) and an enameled wire (202) wound around the periphery of the magnetic ring (201), characterized in that: The housing (100) is provided with a first pin hole (11) and a second pin hole (12) at two ends along the X-axis direction, respectively; a partition plate (13) is provided between the first pin hole (11) and the second pin hole (12); the first pin hole (11) is used for inserting a low-voltage PIN needle (301); the second pin hole (12) is used for inserting a high-voltage PIN needle (302); and the partition plate (13) is used to separate the magnetic ring (201) from the high-voltage PIN needle (302).

2. The housing according to claim 1, characterized in that The housing (100) is provided with a receiving chamber (14) inside, the receiving chamber (14) being provided with a plurality of partitions (13) arranged at intervals along the X-axis direction, the plurality of partitions (13) dividing the receiving chamber (14) into a plurality of receiving grooves (141), and the magnetic ring (201) is received in the receiving groove (141) farthest from the second pin hole (12).

3. The housing according to claim 2, characterized in that: The receiving groove (141) closest to the second pin hole (12) is provided with a first marking portion (15).

4. The housing according to claim 2, characterized in that: The partition plate (13) extends along the Y-axis direction, and two ends of the partition plate (13) extending along the Y-axis direction respectively abut against the inner wall of the accommodating cavity (14).

5. The housing according to claim 2, characterized in that: A first inclined surface (16) is provided on one side of the first pin hole (11), the bent section of the low-voltage PIN needle (301) is bent toward the first inclined surface (16), and the enameled wire (202) and the bent section of the low-voltage PIN needle (301) are connected at the first inclined surface (16); and / or A second inclined surface (17) is provided on one side of the second pin hole (12); the bent section of the high-voltage PIN needle (302) is bent toward the second inclined surface (17); and the enameled wire (202) and the bent end of the high-voltage PIN needle (302) are connected at the second inclined surface (17).

6. The housing according to claim 5, characterized in that The first inclined surface (16) is located on a side of the first pin hole (11) away from the accommodating cavity (14), and the bent section of the low-voltage PIN needle (301) is bent toward a side away from the accommodating cavity (14); and / or The second inclined surface (17) is located on a side of the second pin hole (12) away from the accommodating cavity (14), and the bent section of the high-voltage PIN needle (302) is bent towards a side away from the accommodating cavity (14).

7. The housing according to claim 6, characterized in that A first avoidance groove (18) is provided on one side of the first pin hole (11), the first avoidance groove (18) connects the accommodating cavity (14) with the outside of the housing (100), and the enameled wire (202) passes through the first avoidance groove (18) from the accommodating cavity (14) and is connected to the bent section of the low-voltage PIN needle (301); and / or A second avoidance groove (19) is provided on one side of the second pin hole (12); the second avoidance groove (19) connects the accommodating cavity (14) with the outside of the housing (100); and the enameled wire (202) passes through the second avoidance groove (19) from the accommodating cavity (14) and is connected to the bent section of the low-voltage PIN needle (301).

8. The housing according to claim 7, characterized in that The edge of the first avoidance groove (18) is configured as a rounded structure; and / or The edge of the second avoidance groove (19) is configured as a rounded structure.

9. The housing according to any one of claims 1 to 8, characterized in that: The partition plate (13) is provided with a clamping opening (131), and the clamping opening (131) is used to clamp the enameled wire (202).

10. A network transformer, characterized in that: The network transformer comprises a coil assembly, a low-voltage PIN needle (301), a high-voltage PIN needle (302), and a housing (100) according to any one of claims 1 to 9, wherein the low-voltage PIN needle (301) is inserted into the first pin hole (11), and the high-voltage PIN needle (302) is inserted into the second pin hole (12); the coil assembly comprises a magnetic ring (201) and an enameled wire (202) wound around the magnetic ring (201); the enameled wire (202) is connected to the low-voltage PIN needle (301) and the high-voltage PIN needle (302); and the magnetic ring (201) is arranged on a side of the partition (13) away from the high-voltage PIN needle (302).

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