CN217544297U - Network transformer bottom shell structure and network transformer - Google Patents
Network transformer bottom shell structure and network transformer Download PDFInfo
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- CN217544297U CN217544297U CN202123413381.0U CN202123413381U CN217544297U CN 217544297 U CN217544297 U CN 217544297U CN 202123413381 U CN202123413381 U CN 202123413381U CN 217544297 U CN217544297 U CN 217544297U
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- network transformer
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- drain pan
- wire
- placing
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Abstract
The utility model relates to a network transformer makes technical field, specifically a network transformer drain pan structure, including drain pan main part and terminal, be equipped with the chamber of placing that is used for placing the coil in the drain pan main part, the edge of drain pan main part is equipped with a plurality of terminals, bottom in the drain pan main part is equipped with a plurality of wire clamps, wire clamps are equipped with tin-plated phosphorus bronze piece on one side, be used for the fixed coil to take a percentage, the wire clamp groove has been seted up to wire clamp seat another side, be used for taking a percentage the line of drawing forth from the wire clamp groove through connecting terminal, a network transformer, the inner coil can adopt the four-wire to take a percentage, reduce the practical cost of coil, the wiring process can be avoided in the setting of wire clamp seat, realize being close three-way efficiency, and can fix taking a percentage for a short time, avoid adjacent taking a percentage to contact.
Description
Technical Field
The utility model relates to a technical field is made to the network transformer, specifically is a network transformer drain pan structure and network transformer.
Background
A center tap of the network transformer: besides two differential wires in the primary coil and the secondary coil, a wire end is led out from the middle of the coils.
The three-wire structure is used as a center tap, two stranded wires and one single wire are spliced through a tin soldering means, redundant length is reduced, the tapped single wire and two differential wires are twisted to penetrate through the structure of the common-mode inductor, the automatic penetrating and replacing cost is high, and the difficulty and the cost of quality control are increased due to the small tap caused by the three-wire structure.
Therefore, the bottom case structure is designed to directly adopt a four-wire coil structure, so as to avoid the above problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a network transformer drain pan structure is equipped with the card line seat in, can be used to the fixed coil to take a percentage to separate taking a percentage of adjacent coil, improve product reliability.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a network transformer drain pan structure, includes drain pan main part and terminal, be equipped with the chamber of placing that is used for placing the coil in the drain pan main part, the edge of placing both sides about the chamber top is equipped with a plurality of terminals, the bottom of placing the chamber is equipped with a plurality of check card line seats, the card line seat is equipped with tin-plating phosphorus bronze sheet for fixed coil takes a percentage and separates adjacent coil and take a percentage.
Optionally, in an embodiment of the present invention, the edge of the placing cavity is provided with a cutting groove, and the cutting groove is disposed between the pin and the terminal at the same side.
Optionally, the utility model discloses an embodiment, card line seat sets up tin-plating phosphorus bronze piece on one side, card line seat another side has seted up the card wire casing, and card wire casing open-top conveniently puts into the inslot with the line.
Optionally, in an embodiment of the present invention, the pins are Z-shaped, and a plurality of pins are disposed on the outer walls of two sides of the bottom casing body.
Optionally, the utility model discloses an embodiment, the terminal is the I shape structure to fixed wire winding, both ends size is slightly bigger about the terminal, and the intermediate size is less than both ends, and the end of a thread coiling can prevent to loosen and take off with the intermediate position of terminal.
Optionally, in an embodiment of the present invention, the front edge and the rear edge of the placing cavity are provided with supporting blocks, so that a gap is maintained between the supporting blocks and the PCB when the network transformer is installed.
A network transformer, characterized by: the coil is placed in the placing cavity, the center of the coil is tapped, the center tap is connected with the tinned phosphor bronze sheet and is drawn out of the center tap, and the center tap of the coil is connected with a terminal of the bottom shell structure.
The utility model has the advantages that
The utility model discloses a network transformer drain pan structure is equipped with the card line seat inside the drain pan structure, is equipped with tin-plated phosphorus bronze sheet on the card line seat for the coil center is taken a percentage and is connected fixedly, and sets up the card wire casing at card line seat another side, makes things convenient for the coil center to take a percentage the lead-out wire to be connected to the terminal, and this drain pan structure can directly adopt the coil of four-wire structure to use, greatly reduced the cost that the coil used, can avoid the wiring process to realize being close the efficiency of three-wire structure through the invention, through can fixing little taking a percentage, thereby guaranteed the quality problem, prevent that the taking a percentage of adjacent coil from contacting, provide the reliability of product.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is a schematic structural view of embodiment 1 of the present invention;
FIG. 2 is an enlarged schematic view of the area A of embodiment 1 of the present invention;
description of reference numerals: bottom shell main part 1, supporting shoe 11, cutting groove 12, terminal 2, pin 3, card wire casing 4, card wire casing 41, tin-plated phosphorus bronze piece 42.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the objects of the present invention, the following detailed description is given to the embodiments, structures, features and effects according to the present invention with reference to the accompanying drawings and preferred embodiments.
Example 1
Because the cost that realizes automatic ring-penetrating is higher and adopt three line structure to bring take a percentage for a short time and increase the degree of difficulty and the cost of quality management and control, consequently, carry out optimal design to drain pan structure, specifically as follows:
as shown in fig. 1-2, a network transformer bottom shell structure, terminal 2 including injection moulding's drain pan main part 1 and lead general, be equipped with the chamber of placing that is used for placing the coil in the drain pan main part 1, it is regular square groove to place the chamber, it is equipped with a plurality of terminals 2 to place the edge on both sides about the chamber top, in this embodiment, it is equipped with 24 terminal 2 altogether to place the chamber top, the bottom of placing the chamber is equipped with four card line seats, four card line seats are the straight line and arrange in the bottom of placing the intracavity, it is parallel with terminal 2 on both sides, the card line seat is equipped with tinned phosphor bronze sheet 42, except tinned phosphor bronze sheet 42 in the card line seat, other parts and drain pan main part 1 formula structure as an organic whole, tinned phosphor bronze sheet 42 is installed on the card line seat for later stage soldering tin, card line seat sets up tinned phosphor bronze sheet 42 on one side, card line seat side is the L type structure, the lower one side of height sets up tinned phosphor bronze sheet 42, specifically, card line seat has seted up card line groove 414, card line groove 414 is opened to the downward to phosphor bronze sheet height on one side by card line seat top, it is convenient to put into the adjacent tapped coil and is used for dividing the adjacent division of the adjacent tap.
As shown in fig. 1, a cutting groove 12 is formed in the edge of the placement cavity, the cutting groove 12 is formed between the pin 3 and the terminal 2 on the same side, the length is the same as the length of the bottom case, after the coil end is wound on the terminal 2, generally, redundant parts are generated, in order to prevent the redundant parts from mistakenly touching other terminals 2 or pins 3, cutting is needed, the redundant parts are pulled into the cutting groove 12, and then cut off by a knife, the coil end is wound on the terminal 2, soldering tin is fixed, supporting blocks 11 are arranged on the front edge and the rear edge of the placement cavity, that is, supporting blocks 11 are arranged in the width direction of the placement cavity in fig. 1, the supporting blocks 11 and the bottom case body 1 are of an integral structure, the integral structure is of a trapezoid, and the supporting blocks 11 are arranged to keep a gap with a PCB when the network transformer is installed.
As shown in fig. 1 PIN 3 is the Z type structure, a plurality of PIN 3 sets up in the upper portion of the outer wall of drain pan main part 1 both sides, PIN 3 and terminal 2 structure as an organic whole, also be the PIN foot, wholly be the second style of calligraphy, when processing the casing, place PIN 3 and terminal 2 earlier, install PIN 3 and terminal 2 in drain pan main part 1 again, the preparation of drain pan structure is mainly including moulding plastics and installation PIN foot, terminal 2 is the I type structure, with fixed wire winding, terminal 2 upper and lower both ends size is slightly bigger, the intermediate dimension is less than both ends, end of a thread coiling and terminal 2's intermediate position, can prevent the pine from taking off.
The network transformer manufacturing method comprises the following steps:
the method comprises the steps of placing a PIN foot in a mold, performing injection molding operation again, enabling the PIN foot to be in an integrated structure with a bottom shell main body 1, placing a tapped coil in a placing cavity, tapping an A wire and a B wire on two sides of the coil, tapping an AB twisted pair wire at the center of the coil, fixing the AB twisted pair wire tapped at the center of the coil at a tinned phosphor bronze sheet 42 through soldering tin, utilizing laser spot welding equipment to break orderly the AB twisted pair wire through high temperature of laser, and directly and firmly welding the AB twisted pair wire with the tinned phosphor bronze sheet 42, equivalently welding the tapped wire with a last twisted pair wire at the moment, achieving the effect similar to a three-wire structure, and then drawing out the A wire and the A wire tapped on two sides of the coil from the twisted pair wire, winding the B wire on a terminal, and fixing the A wire and the B wire through soldering tin.
Example 2
A network transformer comprises a coil and the bottom shell structure of the network transformer in embodiment 1, wherein the coil is placed in a placing cavity and is of a four-wire structure, taps are arranged on two sides of the coil, a wire A and a wire B are arranged, a coil center tap is arranged, a stranded wire of the wire A and the wire B is drawn out, the center tap is connected with a tinned phosphor bronze sheet 42, and a terminal 2 of the bottom shell structure of the wire A is drawn out from the center tap and is connected with the terminal.
Above, it is only the preferred embodiment of the present invention, and it is not limited to the present invention in any form, although the present invention has been disclosed as above with the preferred embodiment, but not limited to the present invention, and any person skilled in the art can make some changes or modifications to the equivalent embodiment of the equivalent change within the technical scope of the present invention without departing from the technical scope of the present invention, but any brief introduction modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention all still belong to the technical scope of the present invention.
Claims (7)
1. A network transformer drain pan structure which characterized in that: including drain pan main part and terminal, be equipped with the chamber of placing that is used for placing the coil in the drain pan main part, the edge on both sides is equipped with a plurality of terminal about placing the chamber top, the bottom of placing the chamber is equipped with a plurality of card line seat, the card line seat is equipped with tin-plating phosphorus bronze sheet for fixed coil takes a percentage and separates adjacent coil and take a percentage, the upper portion of drain pan main part both sides outer wall is provided with a plurality of pin.
2. The network transformer bottom case structure according to claim 1, wherein: the edge of the placing cavity is provided with a cutting groove, the cutting groove is formed between the pins and the terminals on the same side.
3. The bottom shell structure of a network transformer of claim 1, wherein: one side of the wire clamping seat is provided with a tinned phosphor bronze sheet, the other side of the wire clamping seat is provided with a wire clamping groove, and the top of the wire clamping groove is open, so that a wire can be conveniently placed in the groove.
4. The bottom shell structure of a network transformer of claim 1, wherein: the pins are of a Z-shaped structure.
5. The network transformer bottom case structure according to claim 1, wherein: the terminal is of an I-shaped structure to fix the winding.
6. The network transformer bottom case structure according to claim 1, wherein: support blocks are arranged at the front edge and the rear edge of the placing cavity, so that a gap is kept between the support blocks and the PCB when the network transformer is installed.
7. A network transformer, characterized by: the network transformer bottom shell structure comprises a coil and the network transformer bottom shell structure as claimed in claims 1-6, wherein the coil is placed in the placing cavity, and the coil taps are connected with terminals of the bottom shell structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123413381.0U CN217544297U (en) | 2021-12-30 | 2021-12-30 | Network transformer bottom shell structure and network transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123413381.0U CN217544297U (en) | 2021-12-30 | 2021-12-30 | Network transformer bottom shell structure and network transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217544297U true CN217544297U (en) | 2022-10-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123413381.0U Active CN217544297U (en) | 2021-12-30 | 2021-12-30 | Network transformer bottom shell structure and network transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217544297U (en) |
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2021
- 2021-12-30 CN CN202123413381.0U patent/CN217544297U/en active Active
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