CN216818006U - High security shell and network transformer - Google Patents

Abstract

The utility model relates to a high-safety shell and a network transformer, and belongs to the technical field of electronic network information. This network transformer includes coil and high security shell, and high security shell includes casing and P IN needle, and the casing is provided with two at least chambeies that hold that are used for holding the coil, and the PI N needle sets up in the lateral wall of casing, and every middle part shrink that holds the chamber just divide into two and place the district. The embodiment of the utility model aims to provide a high-safety shell and a network transformer, which can limit coils of different groups in different space areas, and are convenient to separate lead wires of the coils of different groups due to the separation of the coils of different groups, so that the lead wires are more smoothly arranged, time and labor are saved, and the product yield is effectively improved.

Description

High security shell and network transformer

Technical Field

The utility model belongs to the technical field of electronic network information, and particularly relates to a high-safety shell and a network transformer.

Background

The network transformer generally comprises a shell and a plurality of groups of coils (magnetic cores), wherein each group of coils generally comprises a primary coil and a secondary coil, a plurality of PIN needles are arranged on two side walls of the shell, partial leads of the primary coil and the secondary coil need to be connected, and other leads of the primary coil and the secondary coil are connected with the PIN needles.

In the course of working after placing the coil, the coil can move about, and its position can change, because network transformer volume is less, the aversion of coil can lead to the wire disorder, influences the normal welding or the wire winding of lead wire, wastes time and energy to, the defective rate of product is higher.

SUMMERY OF THE UTILITY MODEL

In view of this, an object of the embodiments of the present invention is to provide a high-safety casing and a network transformer, which can limit coils of different groups in different spatial regions, and can limit the movement of the coils, and since the coils of different groups are separated, the leads of the coils of different groups are conveniently separated, the leads are more smoothly arranged, time and labor are saved, and the product yield is effectively improved.

The embodiment of the utility model is realized by the following steps:

the embodiment of the utility model provides a high-safety shell which comprises a shell body and a PIN needle, wherein the shell body is provided with at least two containing cavities for containing coils, the PIN needle is arranged on the side wall of the shell body, and the middle of each containing cavity is contracted and divided into two placing areas.

As an alternative to the above embodiment, the receiving cavity is 8-shaped in a width direction of the housing.

As an alternative to the above embodiment, the middle portion of the housing is provided with a positioning hole that extends in the thickness direction of the housing.

As an alternative to the above embodiment, the positioning hole is a through hole or the positioning hole includes two positioning blind holes, and the two positioning blind holes extend inwards from the top and the bottom of the housing respectively.

As an alternative to the above embodiment, the accommodation chamber is provided with guide slopes at positions near both ends of the housing, the guide slopes being inclined and adjacent to the PIN at the outermost edge.

As an alternative to the above embodiment, the side wall of the housing includes a mounting wall, the bottom surface of the mounting wall and the middle portion of the housing are stepped, one end of the PIN is a bent welding end, and the welding end is attached to the bottom surface of the mounting wall and extends outward.

As an alternative to the above embodiment, one end of the PIN is a winding end and extends out of the top surface of the mounting wall, two sides of the accommodating cavity are provided with protruding portions, the winding end is provided with a winding portion with a contracted middle portion, and the protruding portions are located between the top end of the winding end and the winding portion.

As an alternative to the above embodiment, the bottom surface of the housing is provided with an indicating blind hole.

As an alternative to the above embodiment, the winding ends of any two adjacent PIN needles are arranged in a staggered manner.

The embodiment of the utility model also provides a network transformer, which comprises coils and the high-safety shell, wherein the coils are respectively arranged on two sides of the middle part of each accommodating cavity, and the central lines of the coils extend along the thickness direction of the shell.

The utility model has the beneficial effects that:

according to the network transformer provided by the utility model, the coils are arranged in the accommodating cavities of the shell, the coils of different groups are positioned in different accommodating cavities, the accommodating cavities can limit the movement of the coils of the corresponding groups, the positions of the coils are more stable, and the coils of different groups are separated, so that the leads of the coils of different groups are conveniently separated, the leads are more smoothly arranged, time and labor are saved, and the product percent of pass is effectively improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts. The above and other objects, features and advantages of the present invention will become more apparent from the accompanying drawings. Like reference numerals refer to like parts throughout the drawings. The drawings are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the utility model.

Fig. 1 is a schematic structural diagram of a network transformer according to a first embodiment of the present invention;

FIG. 2 is a first schematic structural diagram of a high security housing according to a first embodiment of the present invention;

fig. 3 is a schematic structural diagram of a high-security housing according to the first embodiment of the present invention;

FIG. 4 is a cross-sectional view A-A of FIG. 2;

FIG. 5 is a cross-sectional view B-B of FIG. 2 (after rotation through 90);

FIG. 6 is a cross-sectional view C-C of FIG. 2 (after rotation through 90);

FIG. 7 is an enlarged view of part B of FIG. 5;

FIG. 8 is an enlarged view of part A of FIG. 4;

fig. 9 is a schematic structural diagram of a network transformer according to a second embodiment of the present invention;

FIG. 10 is a first schematic structural diagram of a high security housing according to a second embodiment of the present invention;

FIG. 11 is a second exemplary embodiment of a high security housing according to the present invention;

FIG. 12 is a cross-sectional view D-D of FIG. 11;

FIG. 13 is a cross-sectional view E-E of FIG. 11;

FIG. 14 is an enlarged view of a portion of portion C of FIG. 11;

fig. 15 is a partially enlarged view of portion D of fig. 13.

Icon:

10-a network transformer;

11-a coil; 12-high safety enclosure;

110-a main coil; 111-secondary coil;

120-a housing; 121-a receiving cavity; 122-positioning holes; 123-a guide slope; 124-a boss; 130-PIN needle; 131-a welding end; 132-winding end.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

First embodiment

Referring to fig. 1, a network transformer 10 according to a first embodiment of the present invention is provided, where the network transformer 10 is configured to be mounted on a circuit board, where the network transformer 10 may be a transformer or a filter.

The network transformer 10 includes a coil 11 and a high-safety casing 12, and the coil 11 is disposed in the high-safety casing 12.

The coil 11 includes iron core and enameled wire, and on the enameled wire was around locating the iron core, the enameled wire had many ends of a thread, the lead wire promptly, and the lead wire is used for with other structure electric connection.

In the network transformer 10, the number of the coils 11 is generally an even number and is divided into at least two groups, for example, in the present embodiment, there are eight coils 11 in total, and the coils 11 are divided into four groups, each group of the coils 11 generally includes a primary coil 110 and a secondary coil 111, and part of the leads of the primary coil 110 and the secondary coil 111 need to be connected.

In this embodiment, the primary coil 110 has six leads, the secondary coil 111 has six leads, three of the leads of the primary coil 110 and three of the leads of the secondary coil 111 need to be connected for conduction, the other three leads of the primary coil 110 and the other three leads of the secondary coil 111 need to be connected with the PIN 130, in other embodiments, the number of the leads connected between the primary coil 110 and the secondary coil 111 may also be two, and the number of the leads of the primary coil 110 and the secondary coil 111 may also be changed as required.

The primary coil 110 and the secondary coil 111 are respectively disposed in the high-security casing 12, as shown in fig. 2 and 3, the high-security casing 12 includes a housing 120, a PIN 130, and a cover (not shown, in other embodiments, the cover may not be disposed).

The shape of the housing 120 is not limited, and in this embodiment, the housing 120 is substantially rectangular, and the housing 120 includes a bottom wall, two mounting walls and two end walls, the two mounting walls and the two end walls are respectively connected to the bottom wall, the two mounting walls are disposed opposite to each other, the two end walls are disposed opposite to each other, and the bottom wall, the mounting walls and the end walls together enclose an area for placing the coil 11.

Of course, in other embodiments, it is also possible that one of the side walls of the housing 120 is a mounting wall, or two adjacent side walls of the housing 120 are mounting walls.

The housing 120 includes a longitudinal direction, a width direction and a thickness direction, wherein the mounting wall extends along the longitudinal direction of the housing 120, and the end wall extends along the width direction of the housing 120, as shown in fig. 2, the longitudinal direction of the housing 120 is a left-right direction, the width direction of the housing 120 is a top-bottom direction, and the thickness direction of the housing 120 is perpendicular to the paper surface.

Referring to fig. 4-6, the housing 120 is provided with a plurality of accommodating cavities 121, two adjacent accommodating cavities 121 may be separated by a partition arm, each accommodating cavity 121 is used for accommodating at least one set of coils 11, wherein a middle portion of each accommodating cavity 121 is inwardly contracted and forms two placing areas, and the two placing areas are respectively used for placing the primary coil 110 and the secondary coil 111 of one set of coils 11.

The middle of the accommodating cavity 121 is contracted, and the width of the joint of the two placing areas is small, so that the primary coil 110 and the secondary coil 111 can be limited in a small range, the primary coil 110 and the secondary coil 111 of the same group of coils 11 are prevented from being displaced in the same accommodating cavity 121, and the stability of the coils 11 is improved.

In this embodiment, the housing 120 is provided with four accommodating cavities 121, each accommodating cavity 121 is arranged along the width direction of the housing 120, the four accommodating cavities 121 are distributed at intervals along the length direction of the housing 120, and different accommodating cavities 121 are separated from each other, so that coils 11 in different groups are prevented from being displaced to the positions of coils 11 in other groups.

In the present embodiment, the center line of the coil 11 extends in the thickness direction of the housing 120, and thus the thickness of the network transformer 10 can be reduced as much as possible.

In other embodiments, some of the accommodating cavities 121 may also be connected, that is, two or more sets of coils 11 are disposed in each accommodating cavity 121, and the center line of the primary coil 110 or the secondary coil 111 extends along the length direction or the width direction of the housing 120.

The shape of the accommodating cavity 121 is not limited, for example, the accommodating cavity 121 is substantially 8-shaped, rectangular, etc., in this embodiment, the accommodating cavity 121 is 8-shaped, and the two placing areas of the accommodating cavity 121 are substantially circular, which is more matched with the shape of the coil 11.

In addition, the primary coil 110 and the secondary coil 111 in the same group are limited in the accommodating cavity 121, so that the displacement in the glue injection process can be avoided, and the production is convenient.

A positioning hole 122 is provided in the middle of the housing 120, the positioning hole 122 being located between two of the accommodating chambers 121, the positioning hole 122 extending in the thickness direction of the housing 120.

The positioning hole 122 can be matched with the positioning column on the cover and the positioning column on the circuit board to play a positioning role, in this embodiment, the positioning hole 122 is a through hole, that is, the positioning hole 122 penetrates through the housing 120 from top to bottom, and the processing is simple. The cross-sectional shape of the positioning hole 122 is not limited, and for example, a circle, a diamond, a spline, or the like may be used.

In addition, the bottom surface of the housing 120 is provided with an indicating blind hole for indicating the direction of the housing 120, so that a worker can accurately position the direction of the network transformer 10 to prevent reverse installation, and the indicating blind hole may be an arrow-shaped blind hole or a common blind hole and is located at one end of the bottom surface of the housing 120.

The PIN PINs 130 are disposed on the side wall of the housing 120, and in the present embodiment, the two mounting walls of the housing 120 are respectively disposed with a plurality of PIN PINs 130.

Referring to fig. 7 and 8, the PIN 130 includes a winding end 132 and a welding end 131, the winding end 132 is used for connecting with a lead of the coil 11, that is, the winding end 132 is provided with a winding portion, a middle portion of the winding portion is contracted, the lead can be wound on the winding portion, and a winding form is adopted, so that the connection strength between the lead and the PIN 130 can be increased.

The winding end 132 of the PIN 130 protrudes from the top surface of the mounting wall, and the accommodating cavity 121 has protrusions 124 on both sides thereof, and the protrusions 124 are located between the top end of the winding end 132 and the winding portion. The protruding portion 124 is used for abutting against the cover, and the thickness of the installation wall where the winding end 132 is located is small, so that the volume of the network transformer 10 can be greatly reduced.

In this embodiment, the distance between the protruding portions 124 and the mounting portion may be an inclined plane, and the positioning hole 122 is located on one of the protruding portions 124.

The bottom surface of the installation wall and the middle part of the bottom surface of the shell 120 are step-shaped, the welding end 131 of the PIN PIN 130 is bent, the welding end 131 is attached to the bottom surface of the installation wall and extends outwards, the middle part of the bottom surface of the shell 120 is located between the upper surface and the lower surface of the welding end 131, and the distance between the bottom of the shell 120 and a circuit board can be reduced.

In other embodiments, PIN 130 and the lead wire are connected by soldering, or PIN 130 is in a PIN insertion type structure (i.e. soldering terminal 131 is inserted on the circuit board).

A cover may be disposed above the housing 120 to close the opening of the accommodating chamber 121 and protect the coil 11, or the cover may surround the winding end 132 and abut against the end portion of the housing 120 and the middle protrusion 124. The connection between the cover and the housing 120 is not limited, such as snap-fit, etc.

Second embodiment

Referring to fig. 9, a second embodiment of the present invention provides a network transformer 10, which differs from the first embodiment as follows:

referring to fig. 10-15, the positioning hole 122 includes two positioning blind holes, the center lines of the two positioning blind holes are overlapped, the two positioning blind holes respectively extend inward from the top and the bottom of the housing 120, and the two positioning blind holes are separated, so that the bottom positioning blind holes can be effectively cleaned, and impurities can be prevented from falling between the housing 120 and the circuit board.

The position that holds chamber 121 and is close to casing 120 both ends is provided with guide slope 123, and guide slope 123 slope just is close to with PIN needle 130 that is in the most marginal, and guide slope 123 department is sunken downwards and is the flute profile, because the lead wire that is located the most marginal probably influences the normal lid of lid and closes, consequently, prescribes the lead wire of most marginal in guide slope 123, can avoid the influence of most marginal lead wire to the lid, the equipment of being convenient for.

In addition, in the first embodiment and the second embodiment, the winding ends 132 of all the PIN PINs 130 located on the same mounting wall are distributed in a row, and in other embodiments, the following scheme may be adopted: the winding ends 132 of any two adjacent PIN needles 130 are arranged in a staggered mode (not shown in the figure), the winding ends 132 of any three adjacent PIN needles 130 are distributed in a triangular mode, the distance between every two adjacent PIN needles 130 can be increased, and the winding mechanism is convenient to wind.

In this embodiment, the middle of the dividing wall between the accommodating cavities 121 is a raised boss 124, and the two ends are as high as the mounting wall.

The network transformer 10 in this embodiment, for the structure not mentioned, please refer to the scheme in the first embodiment or the prior art.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a high security shell, its characterized in that, high security shell includes casing and PIN needle, the casing is provided with at least two chambeies that hold that are used for holding the coil, the PIN needle set up in the lateral wall of casing, every the middle part shrink that holds the chamber just divide into two and place the district.

2. The high-security housing as claimed in claim 1, wherein the receiving cavity is 8-shaped in a width direction of the case.

3. The high-safety casing according to claim 1, wherein a positioning hole is provided in a middle portion of the casing, the positioning hole extending in a thickness direction of the casing.

4. The high security housing of claim 3, wherein the positioning hole is a through hole or comprises two blind positioning holes extending inwardly from the top and bottom of the housing, respectively.

5. The high security housing of claim 1, wherein the receiving cavity is provided with guide slopes near both ends of the housing, the guide slopes being inclined and adjacent to the PIN at the outermost edge.

6. The high-security casing according to claim 1, wherein the side wall of the casing comprises a mounting wall, the bottom surface of the mounting wall is stepped with the middle part of the casing, one end of the PIN is a bent welding end, and the welding end is attached to the bottom surface of the mounting wall and extends outwards.

7. The high security housing of claim 6, wherein the PIN has a winding end at one end and protrudes from the top surface of the mounting wall, and the receiving cavity has protrusions at two sides thereof, the winding end is provided with a winding portion with a constricted middle portion, and the protrusions are located between the top end of the winding end and the winding portion.

8. The high security housing of claim 1, wherein the bottom surface of the housing is provided with blind indicating holes.

9. The high security housing of claim 1, wherein the winding ends of any two adjacent PIN PINs are arranged in a staggered manner.

10. A network transformer, characterized in that, the network transformer comprises a coil and a high-safety shell as claimed in any one of claims 1-9, the coil is respectively arranged at two sides of the middle part of each accommodating cavity, and the central line of the coil extends along the thickness direction of the shell.

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