CN218826578U

CN218826578U - High-efficiency assembled network transformer

Info

Publication number: CN218826578U
Application number: CN202223434600.8U
Authority: CN
Inventors: 叶见新; 黄浩鑫; 黄胜
Original assignee: Guilin Pingle Zhongtai Electronic Technology Co ltd
Current assignee: Guilin Pingle Zhongtai Electronic Technology Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-04-07
Anticipated expiration: 2032-12-20

Abstract

The utility model discloses a high efficiency assembled network transformer, relate to the technical field who carries the signal of telecommunication, including the apron with along the apron frame that sets firmly all around, apron and frame enclose into a holding cavity, be equipped with a plurality of inductance coils in the holding cavity, the frame includes relative long frame and the short frame that sets up, a plurality of spliced eyes have evenly been seted up along length direction on the lower terminal surface of long frame, still evenly set firmly a plurality ofly along length direction on the lower terminal surface of long frame with the PIN needle of spliced eye one-to-one, set firmly the metal conducting strip with PIN needle electric connection on the inner wall of spliced eye, the grafting cooperation has the joint terminal with metal conducting strip electric connection in the spliced eye, the detachable elasticity joint of joint terminal and metal conducting strip, in process of production, only need install the inductance coils who corresponds the model behind the holding cavity, insert the joint terminal of inductance coils after the spliced eye that corresponds, can accomplish the equipment, shorten process time greatly, production efficiency has been improved.

Description

High-efficiency assembled network transformer

Technical Field

The utility model relates to a carry the technical field of the signal of telecommunication, specifically be a high efficiency assembled network transformer.

Background

It is described in chinese utility model CN201922118506.3 that the housing of the network transformer is one of the important electrical components in the field of electrical signal connection of the network transformer, and is mainly composed of a cover body made of plastic material and a plurality of PIN PINs 212 arranged on the cover body. The traditional network filter shell with the upper cover and the lower cover is usually composed of a base with a PIN needle 212 and a cavity and an independent upper cover, a plurality of coils are installed in the cavity of the base, coil communication leads are wound on the PIN needle 212 of the convex table surface of the base and are connected with the base in a soldering mode, the coil communication leads are assembled with the base in a matching mode after a proper amount of adhesive is poured into the cavity of the upper cover, then the coil communication leads are placed or baked for a long time to enable the adhesive to be solidified and bonded firmly, a network filter overall structure is formed and a network filter rear-section production process can be continued, the problem that the winding time of the coil leads and the PIN needle 212 in the cavity of the base is long, and the adhesive solidification waiting time is long after the upper cover and the lower cover are packaged exists.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a high-efficiency assembled network transformer comprises a cover plate and a frame fixedly arranged along the periphery of the cover plate, wherein the cover plate and the frame enclose a containing chamber, and a plurality of inductance coils are arranged in the containing chamber;

the frame comprises a long frame and a short frame which are oppositely arranged, and a plurality of inserting holes are uniformly formed in the lower end face of the long frame along the length direction;

a plurality of PIN needles which are in one-to-one correspondence with the inserting holes are uniformly and fixedly arranged on the lower end face of the long frame along the length direction;

the inner wall of the inserting hole is fixedly provided with a metal conducting strip electrically connected with the PIN needle, a clamping terminal electrically connected with the metal conducting strip is inserted and matched in the inserting hole, the clamping terminal is detachably elastically clamped with the metal conducting strip, and the clamping terminal is electrically connected with the wire end of the inductance coil.

As a further aspect of the present invention: the clamping terminal comprises a clamping column, two elastic pieces which are symmetrically arranged are formed on the clamping column, and the elastic pieces are elastically abutted with the metal conducting strips.

As a further aspect of the present invention: the one end of joint post is in the downthehole joint cooperation of spliced pole, and the other end of joint post stretches out in the spliced pole, and metal conducting strip includes the first linear portion of vertical linear setting, and the shell fragment includes arc portion, and the one end of arc portion stretches into in the tip rigid coupling of spliced pole in the spliced pole, and the other end of arc portion stretches out in spliced pole and joint post elastic fit, be equipped with in the arc portion with the linear butt complex second linear portion of first linear portion.

As a further aspect of the present invention: the PIN needle comprises a connecting portion fixedly connected with the metal conducting strip and a welding portion used for welding in the circuit, an inclined portion is connected between the connecting portion and the welding portion, one end of the inclined portion is electrically connected with the connecting portion, and the other end of the inclined portion inclines towards the direction far away from the elastic sheet and is electrically connected with the welding portion.

As a further aspect of the present invention: a plurality of limiting plates are arranged in the containing cavity along the length direction, the containing cavity is divided into a plurality of containing cavities by the limiting plates, and the inductance coils are respectively arranged in the containing cavities.

As a further aspect of the present invention: set up the intercommunication groove that communicates in holding chamber and spliced eye on the inner wall of curb plate, inductance coils's end of a thread passes the intercommunication groove and welds on the joint post, and the holding chamber upper cover is equipped with the bottom plate.

As a further aspect of the present invention: the two elastic sheets are arranged along the length direction of the side plate.

As a further aspect of the present invention: the spliced eye is located the position that the lower terminal surface of long frame is close to the inner wall, and the position that the lower terminal surface of long frame is close to the outer wall is located to the PIN needle.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the cooperation of pegging graft of joint terminal and metal conducting strip, in process of production, the joint terminal welds with inductance coil batchization, PIN needle and metal conducting strip batchization integrated into one piece, in process of production, only need to correspond the inductance coil of model install the holding cavity after, insert inductance coil's joint terminal to the downthehole installation back of grafting that corresponds, can accomplish the equipment, shorten process time greatly, improved production efficiency.

2. The elastic sheet is contracted by pinching the elastic sheet, so that the clamping terminal can be conveniently taken out from the inserting hole, the replacement of a single inductance coil is facilitated, and the production cost is saved.

Drawings

FIG. 1 is a perspective view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 isbase:Sub>A cross-sectional view taken along A-A of FIG. 2;

fig. 4 is a perspective view of the structure of the plug terminal of the present invention;

fig. 5 is a schematic wiring diagram of the present invention;

FIG. 6 is an internal structural view of the present invention;

the reference numerals and names in the figures are as follows:

the circuit board comprises a cover plate-1, a frame-2, an accommodating chamber-3, an inductance coil-4, a long frame-21, a short frame-22, a plug hole-211, a PIN needle-212, a metal conducting sheet-213, a clamping terminal-5, a clamping column-51, an elastic sheet-52, an arc-shaped part-521, a second linear part-522, a connecting part-215, a welding part-216, an oblique part-217, a limiting plate-31, an accommodating cavity-32, a communicating groove-218 and a bottom plate-6.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, a high-efficiency assembled network transformer includes a cover plate 1 and a frame 2 fixedly disposed along the periphery of the cover plate 1, the cover plate 1 and the frame 2 enclose a containing chamber 3, and a plurality of inductance coils 4 are disposed in the containing chamber 3;

the frame 2 comprises a long frame 21 and a short frame 22 which are oppositely arranged, and a plurality of inserting holes 211 are uniformly formed in the lower end face of the long frame 21 along the length direction;

a plurality of PIN needles 212 which are in one-to-one correspondence with the inserting holes 211 are uniformly and fixedly arranged on the lower end face of the long frame 21 along the length direction;

the inner wall of the inserting hole 211 is fixedly provided with a metal conducting strip 213 which is electrically connected with the PIN PIN 212, a clamping terminal 5 which is electrically connected with the metal conducting strip 213 is inserted and matched in the inserting hole 211, the clamping terminal 5 is detachably and elastically clamped with the metal conducting strip 213, and the clamping terminal 5 is electrically connected with a wire end of the inductance coil 4;

the traditional network filter shell is generally an independent base cavity with a PIN 212 and an independent cover, a plurality of coil linking lines are arranged in the base cavity and wound on the PIN 212 of a convex table surface, the PIN 212 is divided into an outer PIN 212 and an inner PIN 212, and the inner part and the outer part of the shell are connected with lead wires of coils in a soldering mode, so that time and labor are wasted;

in the scheme, the PIN 212 is electrically connected with the metal conducting strip 213, the clamping terminal 5 is electrically connected with the wire end of the inductance coil 4, and after the clamping terminal 5 is inserted into the inserting hole 211, the clamping terminal 5 is elastically abutted against the metal conducting strip 213, so that the inductance coil 4 is electrically connected with the PIN 212;

compared with the traditional method that the inner part and the outer part are connected with PIN soldering tin, the original connection of the inner PIN soldering tin and the outer PIN soldering tin is converted into the integrated forming of the metal conducting strip 213 and the PIN needle 212, the clamping terminal 5 is in inserting fit with the metal conducting strip 213, the clamping terminal 5 and the inductance coil 4 are welded in batches in the production process, the PIN needle 212 and the metal conducting strip 213 are integrated in batches, and in the production process, the assembly can be completed only by installing the inductance coil 4 of the corresponding type in the accommodating cavity 3 and inserting the clamping terminal 5 of the inductance coil 4 into the corresponding inserting hole 211 for installation, so that the process time is greatly shortened, and the production efficiency is improved;

as a specific production mode, in this scheme, metal conducting strip 213 and PIN needle 212 can be through stamping processing, and metal conducting strip 213 and PIN needle 212 can integrative stamping forming, and metal conducting strip 213 and PIN needle 212 can integrative injection moulding with frame 2 and apron 1 after integrative stamping forming, can realize mass production processing, and the end of a thread of joint terminal 5 and inductance coils 4 can carry out the batched welding earlier stage simultaneously, the utility model discloses network transformer in the production process, can accomplish the production and processing of network transformer more efficiently through the grafting cooperation of joint terminal 5 in spliced eye 211, need not some pouring sealant, the encapsulation shortens process time, and because do not need pouring sealant, has also avoided the hard force to the quality hidden danger of product after the pouring sealant dries, stops the chemical reaction between solenoid lead wire and adhesive and causes lead corrosion,;

in an embodiment, under the condition that it is ensured that the wire end of the inductance coil 4 can be electrically connected with the clamping terminal 5, other connection methods in the prior art may also be adopted, for example, a wire slot is formed on the clamping terminal 5, and the wire end of the inductance coil 4 is clamped in the wire slot;

in an embodiment, under the condition that PIN 212 and long frame 21 are ensured to be stably fixed, other connection modes in the prior art can be adopted, for example, a PIN 212 groove communicated with insertion hole 211 is formed in long frame 21, PIN 212 and metal conducting plate 213 are integrally formed in a punching mode, and PIN 212 is inserted into PIN 212 groove to be inserted and matched;

in one embodiment, the conductive metal plate 213 may be pre-bent to follow the shape of the insertion hole 211 to facilitate the engagement with the engagement terminal 5.

In the embodiment of the present invention, the locking terminal 5 includes a locking post 51, two symmetrically arranged elastic pieces 52 are formed on the locking post 51, and the elastic pieces 52 are elastically abutted against the metal conductive sheet 213;

after the clamping terminal 5 is inserted into the inserting hole 211, the elastic connection between the clamping terminal 5 and the metal conducting plate 213 is formed by the elastic connection between the elastic sheet 52 and the metal conducting plate 213, and the clamping terminal 5 is more stable in the clamping fit in the clamping groove due to the two elastic sheets 52 symmetrically formed on the clamping column 51, so that the electrical connection between the elastic sheets 52 and the metal conducting plate 213 is more stable.

In the embodiment of the present invention, one end of the fastening column 51 is fastened and matched in the insertion hole 211, the other end of the fastening column 51 extends out of the insertion hole 211, the metal conducting strip 213 includes a first linear portion arranged in a vertical linear manner, the elastic strip 52 includes an arc portion 521, one end of the arc portion 521 extends into the insertion hole 211 and is fixedly connected to the end of the fastening column 51, the other end of the arc portion 521 extends out of the insertion hole 211 and is elastically matched with the fastening column 51, and the arc portion 521 is provided with a second linear portion 522 matched with the first linear portion in a linear abutting manner;

in the process of inserting and matching the clamping terminal 5 in the inserting hole 211, because one end of the arc-shaped part 521 extends out of the inserting hole 211 to be elastically matched with the clamping column 51, the arc-shaped part 521 is elastically close to the clamping column 51 through external force, the elastic sheet 52 is contracted, and the clamping terminal 5 is conveniently inserted into the inserting hole 211;

set up the linear portion of second simultaneously on arc portion 521, make the linear portion of second can carry out linear elastic fit with first linear portion, make shell fragment 52 can carry out linear elasticity butt cooperation with metal conducting strip 213, thereby make shell fragment 52 and metal conducting strip 213 can be better carry out electric connection, electric conductive property has been strengthened, simultaneously the butt through first linear portion and second linear portion can reduce the exposure of first linear portion and second linear portion in the air, reduce the bad contact's circumstances emergence that leads to because of the oxidation.

In the embodiment of the present invention, the PIN 212 includes a connecting portion 215 fixedly connected to the metal conductive sheet 213 and a welding portion 216 for welding in the circuit, an oblique portion 217 is connected between the connecting portion 215 and the welding portion 216, one end of the oblique portion 217 is electrically connected to the connecting portion 215, and the other end of the oblique portion 217 is inclined toward a direction away from the elastic sheet 52 and electrically connected to the welding portion 216;

through the inclined arrangement of the inclined portion 217, the insertion and matching of the elastic sheet 52 in the insertion hole 211 are faster, and the insertion and the taking out of the clamping terminal 5 in the clamping hole are facilitated.

In the embodiment of the present invention, a plurality of limiting plates 31 are disposed in the accommodating chamber 3 along the length direction, the accommodating chamber 3 is divided into a plurality of accommodating cavities 32 by the plurality of limiting plates 31, and the plurality of inductance coils 4 are respectively disposed in the accommodating cavities 32;

the installation and fixation of the inductor winding 4 is facilitated.

In the embodiment of the present invention, the inner wall of the side plate is provided with a communicating groove 218 communicating with the accommodating cavity 32 and the inserting hole 211, the end of the inductance coil 4 passes through the communicating groove 218 and is welded on the clamping column 51, and the accommodating cavity 3 is covered with the bottom plate 6;

the connection between the wire end of the inductance coil 4 and the clamping column 51 is facilitated, and the clamping of the bottom plate 6 on the accommodating chamber 3 is facilitated.

In the embodiment of the present invention, the two spring pieces 52 are arranged along the length direction of the side plate;

the connection between the terminal of the inductance coil 4 and the clamping column 51 is facilitated, and the blocking of the terminal of the inductance coil 4 by the elastic sheet 52 when the terminal of the inductance coil 4 penetrates into the inserting hole 211 from the accommodating groove is avoided.

In the embodiment of the present invention, the inserting hole 211 is disposed at a position of the lower end surface of the long frame 21 close to the inner wall, and the PIN 212 is disposed at a position of the lower end surface of the long frame 21 close to the outer wall;

facilitating the connection of the snap-in posts 51 with the terminals of the inductor winding 4.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A high-efficiency assembled network transformer comprises a cover plate (1) and a frame (2) fixedly arranged along the periphery of the cover plate (1), wherein the cover plate (1) and the frame (2) enclose a containing chamber (3), and a plurality of inductance coils (4) are arranged in the containing chamber (3);

the frame (2) comprises a long frame (21) and a short frame (22) which are oppositely arranged, and a plurality of inserting holes (211) are uniformly formed in the lower end face of the long frame (21) along the length direction;

a plurality of PIN needles (212) which are in one-to-one correspondence with the inserting holes (211) are uniformly and fixedly arranged on the lower end face of the long frame (21) along the length direction;

the inner wall of the inserting hole (211) is fixedly provided with a metal conducting strip (213) electrically connected with the PIN needle (212), a clamping terminal (5) electrically connected with the metal conducting strip (213) is inserted and matched in the inserting hole (211), the clamping terminal (5) is detachably and elastically clamped with the metal conducting strip (213), and the clamping terminal (5) is electrically connected with a wire end of the inductance coil (4).

2. The high-efficiency assembled network transformer according to claim 1, wherein the clip terminals (5) comprise clip posts (51), two symmetrically arranged spring pieces (52) are formed on the clip posts (51), and the spring pieces (52) are elastically abutted against the metal conducting strips (213).

3. The high-efficiency assembled network transformer according to claim 2, wherein one end of the clamping column (51) is clamped and matched in the plug hole (211), the other end of the clamping column (51) extends out of the plug hole (211), the metal conducting strip (213) comprises a first linear portion which is vertically linearly arranged, the elastic strip (52) comprises an arc portion (521), one end of the arc portion (521) extends into the plug hole (211) and is fixedly connected with the end portion of the clamping column (51), the other end of the arc portion (521) extends out of the plug hole (211) and is elastically matched with the clamping column (51), and a second linear portion (522) which is linearly abutted and matched with the first linear portion is arranged on the arc portion (521).

4. The high-efficiency assembled network transformer of claim 3, wherein the PIN (212) comprises a connecting portion (215) fixedly connected to the conductive metal sheet (213) and a soldering portion (216) for soldering in the circuit, an inclined portion (217) is connected between the connecting portion (215) and the soldering portion (216), one end of the inclined portion (217) is electrically connected to the connecting portion (215), and the other end of the inclined portion (217) is inclined toward a direction away from the spring (52) and electrically connected to the soldering portion (216).

5. The high-efficiency assembled network transformer according to claim 4, wherein a plurality of limiting plates (31) are arranged in the accommodating chamber (3) along the length direction, the accommodating chamber (3) is divided into a plurality of accommodating cavities (32) by the plurality of limiting plates (31), and the plurality of inductance coils (4) are respectively arranged in the accommodating cavities (32).

6. The high-efficiency assembled network transformer of claim 5, wherein the inner wall of the side plate is provided with a communication groove (218) communicated with the accommodating cavity (32) and the insertion hole (211), the wire end of the inductance coil (4) passes through the communication groove (218) and is welded on the clamping column (51), and the upper cover of the accommodating cavity (3) is provided with a bottom plate (6).

7. A high efficiency assembled network transformer as claimed in claim 6, characterized by two spring plates (52) arranged along the length of the side plates.

8. The high-efficiency assembled network transformer of claim 7, wherein the plug holes (211) are formed in the lower end surface of the long frame (21) near the inner wall, and the PIN PINs (212) are formed in the lower end surface of the long frame (21) near the outer wall.