CN201788798U - Communication network transformer - Google Patents

Abstract

The utility model discloses a communication network transformer, comprising a transformer winding, a filter winding, a plurality of terminals, a plurality of first bases, a second base, and an insulating shell; wherein the transformer winding and the filter winding are carried in the first base and connected to the plurality of terminals, and then each first base having the transformer winding and the filter winding carried thereon is inserted into the second base through the terminal to string together all the first bases, and finally the insulating shell is used to contain and cover all the aforementioned components, and only the contact part of the terminal is extended outward to be connected to an external system or device end.

Description

Communication Network Transformer

technical field

The utility model relates to a transformer technology, in particular to a transformer applied to a communication network.

Background technique

The communication network transformer is used as a magnetic component between the terminal equipment interface and the Ethernet transceiver chip. Its performance can be roughly divided into two types: the transformer assembled on the RJ45 communication bus connection port and the transformer directly soldered on the circuit board. Electromagnetic field coupling transmits data to other network connection terminals, through internal winding coupling, filtering, signal enhancement, and integration of voltage and current of different network devices.

Take the ceramic encapsulated transformer soldered on the circuit board as an example, please refer to Figure 1 to Figure 3, the multiple transformer windings 10 are connected in series with the filter winding 11 through continuous connection, and then integrated into the space contained in an insulating shell 12 , and connect the wires of the transformer winding 10 and the filter winding 11 through the pins 13 on the insulating shell 12, and then communicate with the external circuit board signal, and then seal it into a network transformer; related technical documents, please refer to China Patent contents such as Taiwan Announcement No. M325594, M354871 and M366180. Wherein, since the transformer winding 10 and the filter winding 11 are installed in the insulating casing 12 in a state of being connected (disconnected) (please refer to FIG. The concern of disconnection caused by pulling, especially when more sets of transformer windings 10 and filter windings 11 are compatible in the insulating shell 12; secondly, the insulating shell 12 does not provide a positioning method, so the complex transformer windings 10 and filter windings The connection of 11 is disordered and is not conducive to the inspection of the line, especially when more sets of transformer windings 10 and filter windings 11 are configured at the same time; moreover, if the system or equipment end has a larger transformer winding 10 and filter winding 11 requirements, if multiple transformer components are used to match, it will be limited by the package of its shell, which not only occupies the area of the circuit board at the system or equipment side, but also is not conducive to the planning of the circuit.

Contents of the invention

The utility model specially designs a novel communication network transformer, which not only provides the convenience of manufacture, but also improves the reliability of the product, and is used to improve the problems and defects in the prior art.

The design of such a communication network transformer includes:

Transformer windings and filter windings connected to them;

A plurality of terminals, each of which has a wiring part and a contact part, the wiring part provides the wire connection of the transformer winding or the filter winding, and the contact part provides a conductive connection with the system or equipment end line outside the transformer;

A plurality of first bases, each first base has a body portion and provides a receiving space, the body portion has a positioning hole corresponding to each of the aforementioned terminals, and the contact portion of the terminal is provided to pass through the positioning hole out, while the storage space provides the filter winding loading of the aforementioned transformer windings and connections;

A second base, used to be compatible with all the first bases, has a plurality of adapted through-holes corresponding one-to-one to each positioning hole of the first base;

An insulating shell is used to contain and cover all the above-mentioned components, and only the contact part of the terminal protrudes outward.

The beneficial effect that the utility model produces and utility model purpose are:

The transformer windings and filter windings covered in the first base are regarded as an independent transformer unit, which can be assembled on the second base by flexibly configuring the predetermined number of transformer units according to the needs of the equipment or system side, and then use the insulating shell Sealed into a single transformer element, which is beneficial to the line layout and planning of the system or equipment side, especially when the complex transformer windings and filter windings contained in this single transformer element are connected to the terminals, they will not interfere with each other or cause disconnection. Thereby improving the yield rate of the manufacturing process.

Secondly, the above-mentioned first base is provided with a side wall on two opposite sides of the body, and the side wall can prevent the transformer winding and filter winding from falling out of the body; the side wall is divided into a plurality of equidistant Wiring portions spaced for providing terminals protrude therefrom. This beneficial effect and the purpose of the utility model are: to facilitate the connection with the wires of the transformer winding or the filter winding, and after the wires of the transformer winding or the filter winding are connected to the wiring part of the terminal, they will be stuck between the terminal and the adjacent side wall. Clearance helps to maintain the positioning of the transformer winding and filter winding without loosening randomly.

In order to achieve the above-mentioned purpose, the utility model is mainly realized through the preferred embodiments disclosed in the following "implementation mode" in conjunction with the drawings.

Description of drawings

Figure 1 is a circuit configuration diagram of a network transformer.

Fig. 2 is a connection mode of a transformer coil and a filter coil without disconnection used in the prior art.

Fig. 3 is a structural diagram of a network transformer used in the prior art.

Fig. 4 is an exploded structure diagram of the transformer unit A of the present invention.

Fig. 5 is a combined structure diagram of the transformer unit A of the present invention.

Fig. 6 is an exploded structure diagram of the transformer component B of the present invention.

Fig. 7 is a combined structure diagram of the transformer element B of the present invention.

FIG. 8 is a reference diagram of the connection state between the transformer component B of the present invention and the circuit board 7 at the external system or equipment end.

[Description of main component symbols]

Transformer winding 20 Filter winding 21

Terminal 3 Wiring part 30

Contact part 31 wire 200, 210

The first base 4 body part 40

Containment Space 41 Positioning Hole 401

Side wall 42 Interval 420

positioning body 43

Second Base 5 Perforation 50

Insulation shell 6 locating slot 51

Transformer unit A Transformer element B

circuit board 7

Detailed ways

Please refer to Figures 4 to 6, the communication network transformer of the present invention includes:

A transformer winding (20) and a filter winding (21) connected thereto, a plurality of terminals (3), a plurality of first bases (4), a second base (5), and an insulating casing (6); in,

The plurality of terminals (3), wherein each terminal (3) is equipped with a connection part (30) and a contact part (31), the connection part (30) provides the transformer winding (20) or filter winding (21) The wires (200, 210) are connected, and the contact part (31) provides a conduction connection with the system or equipment end lines outside the transformer;

The plurality of first bases (4) are formed of an insulating material, and each first base (4) has a body portion (40) and provides a receiving space (41), and the body portion ( 40) There is a positioning hole (401) corresponding to each terminal (3) mentioned above, and the contact part (31) of the terminal (3) is provided to pass through the positioning hole (401), and the accommodating space (41) provides the aforementioned The transformer winding (20) and the connected filter winding (21) are loaded; in addition, the main body (40) is provided with a positioning body (43) towards the direction of the second base (5);

The second base (5) is used to be compatible with all the first bases (4), and it has a plurality of adapted through holes (50) one-to-one corresponding to the positioning of each first base (4) hole (401), and has a positioning groove (51) to provide the positioning body (43) of the aforementioned first base (4) to insert to improve the effect of positioning;

The insulating shell (6) is used to accommodate and cover all the aforementioned components, and only the contact portion (31) of the terminal (3) protrudes outward;

When assembling, please refer to Figure 7 and Figure 8 at the same time, insert the terminal (3) into the positioning hole (401) of the first base (4) and expose the wiring part (30) and contact part (31), use the wiring part (30) is connected with the wires (200, 210) of the transformer winding (20) or the filter winding (21), and the contact part (31) is connected with the circuit board (7) of the external system or equipment end of the transformer; secondly, Load the transformer winding (20) and the filter winding (21) into the accommodation space (41) of the first base (4), and then each of the first bases loaded with the transformer winding (20) and the filter winding (21) The seat (4) is inserted into the corresponding through hole (50) of the second base (5) through the terminal (3) and exposes the contact portion (31) of the terminal, so as to collect all the first bases (4) in series, and finally to insulate The shell (6) contains and covers all the aforementioned components, and only the contact portion (31) of the terminal (3) protrudes outward. If so, the transformer windings (20) and filter windings (21) covered in each first base (4) are regarded as an independent transformer unit (A), which can adapt to the needs of the equipment or system side and configure the predetermined The number of transformer units (A) is assembled on the second base (5), and then sealed into a single transformer element (B) with an insulating casing (6), which is beneficial to the circuit layout and planning of the system or equipment end, especially in this unit The plurality of transformer windings (20) and filter windings (21) contained in the single transformer element (B) will not interfere with each other or cause disconnection when they are connected to the terminal (3), thereby improving the yield rate of production.

Please refer to Fig. 4 and Fig. 5 again, aforesaid first base (4) is respectively provided with side wall part (42) on two opposite sides of main body part (40), utilizes side wall part (42) to be able to block transformer winding (20 ) and the filter winding (21) drop out of the body (40); the side wall portion (42) is cut into a plurality of equidistant intervals (420) to provide the connection portion (30) of the terminal (3) from then on stretch out, it is beneficial to connect with the wires (200, 210) of the transformer winding (20) or the filter winding (21), and the wires (200, 210) of the transformer winding (20) or the filter winding (21) are connected with the terminal (3) After the connection part (30) of the terminal (3) is connected, it is clamped in the gap between the terminal (3) and the adjacent side wall part (42), which helps to keep the positioning of the transformer winding (20) and filter winding (21) without will loosen at will.

To sum up, the communication network transformer designed by the utility model can obviously increase the convenience of manufacture and the reliability of the structure, and then improve the yield rate of the product; in particular, it can meet the needs and use planning of the equipment or system end, so as to improve its practical value. However, the various embodiments listed above are not intended to limit the utility model, and all equivalent modifications or changes made by those skilled in the art by citing the disclosure of the utility model are still within the patent protection scope of the utility model Cover included.

Claims (7)

1. A communications network transformer, comprising:

a transformer winding and a filter winding;

the transformer comprises a plurality of terminals, a plurality of connecting wires and a plurality of connecting wires, wherein each terminal is provided with a wiring part and a contact part, the wiring part is used for connecting the wires of a transformer winding or a filter winding, and the contact part is used for providing circuit communication with a system or equipment end outside the transformer;

each first base is provided with a body part and an accommodating space, the body part is provided with a positioning hole corresponding to each terminal, a contact part of the terminal penetrates out of the positioning hole, and the accommodating space is used for loading the transformer winding and the filter winding;

a second base for accommodating all the first bases, having a plurality of through holes corresponding to the positioning holes of each first base;

therefore, each first base loaded with the transformer winding and the filter winding is inserted into the through hole of the second base through the terminal so as to cluster all the first bases, and the contact part of the exposed terminal is communicated with a system or equipment terminal circuit outside the transformer.

2. The communications network transformer of claim 1 further comprising an insulative housing for housing and covering all of said elements, only the contact portions of the terminals projecting outwardly.

3. The transformer of claim 1, wherein the body of the first base has a positioning body facing the second base, and the second base has a positioning slot corresponding to the positioning body for inserting the positioning body.

4. A transformer according to claim 1, 2 or 3, wherein the first base has a sidewall portion at each of opposite sides of the body portion.

5. The communications network transformer of claim 4 wherein said side wall portions are cut at a plurality of equally spaced intervals from which terminal portions for providing terminals extend for connection to wires of a transformer winding or a filter winding.

6. The communications network transformer of claim 5 wherein the wires of the transformer winding or filter winding are captured in the gaps between the terminals and the adjacent side wall portions after being connected to the terminal connection portions of the terminals.

7. The communication network transformer of claim 1, 2 or 3, wherein the transformer winding and the filter winding are in a wired configuration.

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