CN219245735U

CN219245735U - Low leakage inductance plastic package type driving transformer testing device

Info

Publication number: CN219245735U
Application number: CN202320687077.5U
Authority: CN
Inventors: 毕浩晨; 袁文杰; 吴明春; 沈伟; 邓瑞雪
Original assignee: State Run Factory 4326 of China Zhenhua Group Xinyun Electronic Comp and Dev Co Ltd
Current assignee: State Run Factory 4326 of China Zhenhua Group Xinyun Electronic Comp and Dev Co Ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-06-23
Anticipated expiration: 2033-03-31

Abstract

The utility model provides a low leakage inductance plastic package type driving transformer testing device, which comprises a top plate; the top plate and the side plates connected with the side surfaces of the top plate form a square containing cavity, and a square hole is formed in the middle of the top plate; the two end surfaces of the interface board are respectively provided with a male power strip and a female power strip, the male power strip and the female power strip are connected through a printed circuit arranged on the interface board, and the interface board is arranged in the accommodating cavity; the two end surfaces of the seat board are respectively provided with a male power strip and an IC locking seat, the male power strip is connected with the IC locking seat through a printed circuit, and the male power strip is in butt joint with a female power strip on the interface board. The utility model is used for assembling the seat board of the transformer and the interface board by the butt joint of the male and female plug strips, so that the seat board can be taken down, the transformer can be assembled on the seat board by an operator conveniently, the plug strips are uniformly used as output terminals on the interface board, and the tester can be conveniently connected with the device.

Description

Low leakage inductance plastic package type driving transformer testing device

Technical Field

The utility model relates to a low leakage inductance plastic package type driving transformer testing device.

Background

The manufacturing process of the low-leakage-inductance plastic-sealed driving transformer cannot be separated from the electrical parameter testing process, and the low-leakage-inductance plastic-sealed driving transformer is small in size, multiple in pin number and small in pin spacing, so that the difficulty is very high when the low-leakage-inductance plastic-sealed driving transformer is used for testing the electrical parameters through a common means in the manufacturing process, and the situation that the internal electrical parameters cannot be completely and correctly tested is easily caused. In order to test such a transformer conveniently, as disclosed in CN211856859U, an auxiliary device for testing a transformer is disclosed, by fixing an IC locking seat on a circuit board, when testing, a direct-insert type transformer is inserted into the IC locking seat for fixing, but the IC locking seat is fixed on the circuit board, the small-sized transformer is inconvenient to assemble into the IC locking seat, and the wiring terminals are too loose, the connected circuit needs to be marked and identified, and the testing efficiency is not high.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a low-leakage-inductance plastic-sealed driving transformer testing device.

The utility model is realized by the following technical scheme.

The utility model provides a low leakage inductance plastic package type driving transformer testing device,

comprises a top plate; the top plate and the side plates connected with the side surfaces of the top plate form a square containing cavity, and square holes are formed in the middle of the top plate;

the two end surfaces of the interface board are respectively provided with a male power strip and a female power strip, the male power strip and the female power strip are connected through a printed circuit arranged on the interface board, and the interface board is arranged in the accommodating cavity;

the socket comprises a socket board, wherein a male socket and an IC locking seat are respectively arranged on two end faces of the socket board, the male socket and the IC locking seat are connected through printed circuits, and the male socket is in butt joint with a female socket on an interface board.

The male power strip and the female power strip on the interface board are respectively arranged in pairs into a group, a plurality of groups are arranged in a matrix, and the distance between each group of female power strip is larger than the distance between each group of male power strip.

The number of the public power strip on the seat board is two and the public power strip is parallel to each other, and the distance between the two public power strips is the same as the distance between the same group of the female power strips on the seat board.

And the side plate is provided with a wire arrangement hole.

The bus bar holes are processed on a side plate parallel to the bus bar on the interface board.

The number of the wire arranging holes is the same as that of the male power strip on the seat board, and the wire arranging holes are arranged in double rows.

The bottoms of the two opposite side plates are also respectively and vertically connected with supporting legs, and locking holes are processed on the supporting legs.

The utility model has the beneficial effects that: the seat board and the interface board for assembling the transformer are in butt joint through the male and female power strip, so that the seat board can be taken down, an operator can assemble the transformer on the seat board conveniently, the power strip is uniformly used as an output terminal on the interface board, and the tester is connected with the device conveniently.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a side panel structure of the present utility model;

FIG. 3 is a schematic view of the structure of the seat plate of the present utility model;

FIG. 4 is a schematic view of the back structure of the seat pan of the present utility model;

FIG. 5 is a schematic diagram of an interface board structure according to the present utility model

In the figure: the circuit board comprises a top plate, a first fixing hole, a 2-interface plate, a second printed plate, a second fixing hole, a 23-output interface socket welding spot, a 3-seat plate, a 31-first printed plate, a 32-IC locking seat, a 33-common socket welding spot, 4-supporting legs, 41-locking holes, 5-side plates, 51-wire arrangement holes, 6-male sockets and 7-female sockets.

Detailed Description

The technical solution of the present utility model is further described below, but the scope of the claimed utility model is not limited to the above.

As shown in FIG. 1, the low leakage inductance plastic package type driving transformer testing device provided by the utility model comprises a top plate 1; the top plate 1 and the side plate 5 connected with the side surface of the top plate form a square containing cavity, the interface plate and the male and female power strip thereon can be contained in the containing cavity, and the female power strip on the interface plate is exposed by the square holes processed in the middle of the top plate 1, so that the seat plate 3 is convenient to install and detach;

as shown in fig. 5, the two end surfaces of the interface board 2 are respectively provided with a male power strip 6 and a female power strip 7, the male power strip 6 and the female power strip 7 are connected through a printed circuit arranged on the interface board 2, the female power strip 7 extends out of the square hole to be in butt joint with a tolerance strip on the seat board 3, and the male power strip 7 is used as an output port in the cavity and is connected with the tester by using a flat cable.

As shown in fig. 1, the interface board 2 is provided with second fixing holes 22 at four corners, the top board 1 is provided with first fixing holes 11 at four corners, and the interface board 2 is fixed at the lower end of the top board 1 by bolts and nuts after the first fixing holes 11 are opposite to the second fixing holes 22.

As shown in fig. 5, the male power strip 6 and the female power strip 7 on the interface board 2 are respectively two by two in a group, the pins of the male power strip 6 are welded on one surface of the output power strip welding spot 23 facing the interface board, the female power strip is welded on the other surface of the interface board, the pins of the male power strip 6 and the female power strip 7 are connected in a one-to-one correspondence manner through printed circuits, a plurality of groups are arranged in a matrix, and the interval between each group of female power strips 7 is larger than the interval between each group of male power strips 6.

As shown in fig. 3, two male plug rows 6 on the seat board 3 are parallel to each other, pins of the two male plug rows 6 are welded on the first printed board 31, and pins of each row are connected with pins at the bottom of the IC locking seat in a one-to-one correspondence manner through printed circuits.

Further, in order to draw out the bus bar, a bus bar hole 51 is formed in the side plate 5, and in order to avoid twisting of the bus bar, the bus bar hole 51 is formed in the side plate 5 parallel to the bus bar 7 on the interface board 2.

Further, in order to distinguish the connection relationship between the flat cable and the male power strip 6 on the interface board 2, as shown in fig. 2, the flat cable holes 51 are machined at positions corresponding to the male power strip 6 on the side board 5, and two flat cable holes are machined vertically, and each flat cable hole corresponds to a group of male power strips, so that the flat cable can be conveniently identified by the staff.

Further, in order to facilitate fixing of the testing device, the bottoms of the two opposite side plates 5 are further respectively and vertically connected with a supporting leg 4, locking holes 41 are formed in the supporting legs 4, and in order to adjust the position of the testing device, the locking holes 41 are processed into a strip shape.

Specifically, the interface board 2 is manufactured into a test circuit board with the thickness of 2mm, the width of 219.8mm and the length of 380mm, a double-socket mounting hole group with the diameter of 1mm is manufactured by adopting a drilling technology and a bonding pad processing technology and used for welding the female socket 7 and the tolerance row 6, and a connecting line with the width of 0.8mm is manufactured by adopting a circuit manufacturing technology.

The seat board 3 is manufactured into a test seat circuit board with the thickness of 2mm, the width of 70mm and the length of 72mm, a male socket mounting hole group with the diameter of 1mm is manufactured by adopting a drilling technology and a bonding pad processing technology and is used for welding an IC locking seat, the aperture is 2.54mm up and down, the aperture is 33.01mm left and right, the bonding pad is 1mm in inner diameter and 2mm in outer diameter; a test seat mounting hole group with the diameter of 1mm is manufactured by adopting a drilling technology and a bonding pad processing technology and is used for mounting a male socket, the aperture is 2.54mm up and down, the aperture is 15.24mm left and right, and the bonding pad is 1mm in inner diameter and 2mm in outer diameter; a connecting wire with the width of 0.8mm is manufactured by adopting a circuit manufacturing technology and is connected with the pin of the male socket at the back of the connecting wire.

Claims

1. The utility model provides a low leakage inductance plastic envelope formula driving transformer testing arrangement which characterized in that includes:

the top plate (1), the top plate (1) and the side plates (5) connected with the side surfaces of the top plate form a square cavity, and square holes are formed in the middle of the top plate (1);

the two end surfaces of the interface board (2) are respectively provided with a male power strip (6) and a female power strip (7), the male power strip (6) and the female power strip (7) are connected through printed circuits arranged on the interface board (2), and the interface board (2) is arranged in the accommodating cavity;

the socket comprises a socket board (3), wherein a male socket (6) and an IC locking seat (32) are respectively arranged on two end faces of the socket board (3), the male socket (6) and the IC locking seat (32) are connected through printed circuits, and the male socket (6) is in butt joint with a female socket (7) on the interface board (2).

2. The low leakage inductance plastic package type driving transformer testing device as set forth in claim 1, wherein: the male power strip (6) and the female power strip (7) on the interface board (2) are respectively arranged in pairs into a group, a plurality of groups are arranged in a matrix, and the interval between each group of female power strips (7) is larger than the interval between each group of male power strips (6).

3. The low leakage inductance plastic package type driving transformer testing device as set forth in claim 1, wherein: the number of the male power strip (6) on the seat board (3) is two and the two male power strips are parallel to each other, and the distance between the two male power strips (6) is the same as the distance between the same group of female power strips (7) on the seat board (3).

4. The low leakage inductance plastic package type driving transformer testing device as set forth in claim 1, wherein: the side plate (5) is provided with a wire arrangement hole (51).

5. The low leakage inductance plastic package type driving transformer testing device according to claim 4, wherein: the bus bar holes (51) are processed on the side plates (5) parallel to the bus bars (7) on the interface board (2).

6. The low leakage inductance plastic package type driving transformer testing device according to claim 5, wherein: the number of the wire arranging holes (51) is the same as that of the male power strip (6) on the seat board (3), and the wire arranging holes are arranged in double rows.

7. The low leakage inductance plastic package type driving transformer testing device as set forth in claim 1, wherein: the bottoms of the two opposite side plates (5) are also respectively and vertically connected with a supporting leg (4), and locking holes (41) are processed on the supporting legs (4).