CN113851297A

CN113851297A - Transformer device and installation method

Info

Publication number: CN113851297A
Application number: CN202111106712.8A
Authority: CN
Inventors: 夏星明; 王涛; 张密
Original assignee: Zhejiang Dafeng Technology Co ltd
Current assignee: Zhejiang Dafeng Technology Co ltd
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2021-12-28

Abstract

The invention discloses a transformer device, which comprises a PCB (printed circuit board) and a transformer box, wherein a plurality of transformer components, a plurality of MOS (metal oxide semiconductor) tubes arranged outside the transformer box, a transition plate and a mounting device are arranged in the transformer box, the transition plate is arranged between the PCB and the transformer box, the mounting requirements of the transition plate and the PCB are consistent, a first mounting hole is formed in the PCB, the mounting device is symmetrically arranged on two sides of the lower surface of the transition plate along the width direction, and the first mounting hole is matched with the mounting device for use. The invention also discloses an installation method. The invention has convenient installation and small operation difficulty, and is beneficial to improving the installation efficiency and the installation qualification rate.

Description

Transformer device and installation method

Technical Field

The invention relates to the technical field of transformers, in particular to a transformer device and an installation method.

Background

In the traditional transformer device assembling process, one transformer assembly needs to be welded on a PCB, and the welding procedures are multiple; the area of the PCB is limited, and the operation difficulty is high; go up in advance through the paster processing on most PCB boards, have multiple little electronic components on the board, probably produce unexpected damage to original electronic components on the PCB board in welding process, in addition, in case the condition of taking place to weld the mistake, the PCB board is probably directly scrapped, brings economic loss. For example, a "PCB embedding device" disclosed in chinese patent literature, which is disclosed under the publication No. CN208424949U, includes a PCB, a U-shaped board, a single board, a partition board, and an embedding layer, wherein the U-shaped board includes three panels and a tray, the U-shaped board and the single board are connected by a mutual locking structure to form a housing, the PCB is disposed in the housing and supported by the tray, pins of the PCB extend through pin through holes on the side of the single board, two long dovetail grooves in the vertical direction are formed in the middle portions of the U-shaped board and the single board, and two ends of the two partition boards are respectively matched with the two long dovetail grooves of the U-shaped board and the single board.

Disclosure of Invention

The invention provides a transformer device and a mounting method, which are convenient to mount, short in process and small in operation difficulty and are used for overcoming the problems of complex mounting, long process and high operation difficulty of the existing transformer.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a transformer device, includes PCB board and transformer box, install a plurality of transformer subassembly in the transformer box to and establish at the outside a plurality of MOS pipe of transformer box, still include cab apron and installation device, cross the cab apron and establish between PCB board and transformer box, it is unanimous with the installation requirement of PCB board to cross the cab apron, be equipped with first mounting hole on the PCB board, the installation device symmetry is established and is being crossed cab apron lower surface along width direction's both sides, first mounting hole uses with the installation device cooperation. In the assembly process of the transformer device, the transformer components are not welded on the PCB one by one, but the transformer box and the transformer components are installed on the transition plate firstly, after the installation is finished and glue is filled, the transition plate and the transformer box with the transformer components arranged therein are installed on the appointed position of the PCB, so that the problems of long process flow, high operation difficulty and high error probability existing in the traditional installation process are solved, and the installation efficiency and the installation qualified rate are improved; and through installation device, the cab apron assembles no longer need with the help of external instrument to the PCB board, can easily accomplish the dismouting.

Preferably, installation device includes that crab-bolt and symmetry establish the barb in the crab-bolt both sides, the one end and the crab-bolt bottom fixed connection of barb, the other end of barb is equipped with first pressure spring, first pressure spring and crab-bolt fixed connection. When installation or dismantlement, through the extrusion, make two barbs be close to the crab-bolt, installation device's overall dimension reduces, and until whole installation device through first mounting hole after, two barbs of release, under the effect of first pressure spring, the crab-bolt is kept away from to two barbs, easy operation.

Preferably, a pressing plate is arranged at the top of the barb, and a second pressing spring is arranged between the pressing plate and the barb. The gap possibly exists between the transition plate and the PCB, the transition plate and the PCB are easy to shake up and down, the stability is poor, the pressing plate can support the PCB to be tightly attached to the transition plate under the action of the second pressure spring, and the up-and-down shaking between the transition plate and the PCB is favorably reduced.

Preferably, a vertical separation plate is arranged in the transformer box, a first installation groove is formed in the top of the transformer box, a second installation groove and a plurality of installation holes are formed in the transition plate, and the second installation groove and the first installation groove are respectively formed in two sides of the vertical separation plate. The vertical partition plate separates the space in the transformer box into two cavities, the two cavities can be used for installing different transformer assemblies, interference between the transformer assemblies is avoided, the first installation groove and the second installation groove can be used for limiting the installation position of the transformer assemblies, and installation accuracy is guaranteed.

Preferably, MOS tube mounting seats are arranged on two sides of the transition plate along the length direction, each MOS tube mounting seat comprises a horizontal mounting plate and a vertical mounting plate, and MOS tube pressing sheets are arranged on two side walls of the transformer box along the length direction. In the invention, the MOS tube is arranged on the MOS tube mounting seat, so that the MOS tube can be mounted at the same height, and the MOS tube pressing sheet can press the MOS tube, so that the position of the MOS tube is limited together with the MOS tube mounting seat, and the mounting accuracy of the MOS tube is ensured.

Preferably, the MOS pipe wafer includes fixed plate and crimping board, even has two crimping boards on every fixed plate, the fixed plate is the plane board of laminating mutually with transformer box side, the crimping board is the radian board, and the crimping board is kept away from the one end of fixed plate and outwards buckles the perk. Even there are two crimping boards on a fixed plate, can be used to two less MOS pipes of fixed dimension, or the great MOS pipe of size, and the crimping board is kept away from the one end of fixed plate and is outwards buckled the perk for contact between crimping board and the MOS pipe is line contact or face contact, thereby possesses better effect that compresses tightly.

Preferably, the transformer box is symmetrically provided with second mounting holes along two sides of the width direction, the upper surface of the transition plate along two sides of the width direction is symmetrically provided with positioning pins, and the second mounting holes are matched with the positioning pins for use. The second mounting hole is matched with the positioning pin for use, the mounting position of the transformer box on the transition plate can be limited, and the mounting accuracy is further guaranteed.

A method of installing a transformer apparatus, comprising the steps of:

s1: installing a transformer assembly into a transformer box;

s2: mounting the transformer box together with the transformer assembly to the transition plate;

s3: installing an MOS tube;

s4: pouring glue into the interior of the transformer box, and curing;

s5: and mounting the transition plate together with the transformer box, the transformer assembly and the MOS tube on the PCB by a mounting device.

Therefore, the invention has the following beneficial effects: (1) the invention has convenient installation and small operation difficulty, and is beneficial to improving the installation efficiency and the installation qualification rate; (2) due to the arrangement of the first mounting groove, the second mounting groove and the partition plate, the transformer assemblies are placed in a classified manner, and meanwhile, the mounting accuracy of the mounted transformer assemblies is improved; (3) the MOS tube mounting seat and the MOS tube pressure sheet limit the mounting position of the MOS tube together, and the mounting strength of the MOS tube is increased.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention.

Fig. 2 is another schematic structure of the present invention.

Fig. 3 is a schematic structural view of a transition plate according to the present invention.

Fig. 4 is a side view of a transition plate of the present invention.

Fig. 5 is a schematic view of the structure of the mounting device of the present invention.

Fig. 6 is a schematic structural view of the transformer capsule of the present invention.

In the figure: 1. the PCB board, 11, first mounting hole, 2, transformer box, 21, vertical separation board, 22, first mounting groove, 23, second mounting hole, 3, MOS pipe, 4, transition board, 41, second mounting groove, 42, first mounting hole, 43, MOS pipe mount pad, 431, horizontal mounting board, 432, vertical mounting board, 44, locating pin, 5, MOS pipe pressure strip, 51, fixed plate, 52, crimping board, 6, installation device, 61, crab-bolt, 62, barb, 63, first pressure spring, 64, clamp plate, 65, second pressure spring.

The invention is further described with reference to the following detailed description and accompanying drawings.

As shown in fig. 1 to 6, a transformer device comprises a PCB board 1 and a transformer box 2, wherein a plurality of transformer components and a plurality of MOS transistors 3 arranged outside the transformer box 1 are arranged in the transformer box 1, the transformer device further comprises a transition board 4 and a mounting device 6, the transition board 4 is arranged between the PCB board 1 and the transformer box 2, the mounting requirements of the transition board 4 and the PCB board 1 are consistent, a first mounting hole 11 is arranged on the PCB board 1, the mounting device 6 is symmetrically arranged on two sides of the lower surface of the transition board 4 along the width direction, and the first mounting hole 11 is matched with the mounting device 6 for use. In the assembly process of the transformer device, the transformer components are not welded on the PCB one by one, but the transformer box 2 and the transformer components are installed on the transition plate 4, after the installation is finished and glue is poured, the transition plate 4 and the transformer box 2 with the transformer components arranged therein are installed on the appointed position of the PCB 1, so that the problems of long process flow, high operation difficulty and high error probability existing in the traditional installation process are solved, and the installation efficiency and the installation qualified rate are improved; and through installation device, the cab apron 4 assembles no longer need with the help of external instrument to PCB board 1, can easily accomplish the dismouting.

Specifically, installation device 6 includes crab-bolt 61 and the symmetry establishes barb 62 in crab-bolt 61 both sides, barb 62's one end and crab-bolt 61 bottom fixed connection, barb 62's the other end is equipped with first pressure spring 63, first pressure spring 63 and crab-bolt 61 fixed connection. During installation or disassembly, the two barbs 62 are close to the anchor bolt 61 through extrusion, the overall size of the installation device 6 is reduced until the whole installation device 6 passes through the first installation hole 11, the two barbs 62 are released, and the two barbs 62 are far away from the anchor bolt 61 under the action of the first pressure spring 63, so that the operation is simple.

Specifically, a pressing plate 64 is arranged on the top of the barb 62, and a second compression spring 65 is arranged between the pressing plate 64 and the barb 62. A gap may exist between the transition plate 4 and the PCB 1, which easily causes the transition plate 4 and the PCB 1 to rock up and down, thereby affecting the stability of the whole transformer device, and the pressing plate 64 can support the PCB 1 to be closely attached to the transition plate 4 under the action of the second pressure spring 65, thereby being helpful for reducing the up-and-down rocking between the transition plate 4 and the PCB 1.

Specifically, a vertical separation plate 21 is arranged in the transformer box 2, a first installation groove 22 is arranged at the top of the transformer box 2, a second installation groove 41 and a plurality of installation holes 42 are arranged in the transition plate 4, and the second installation groove 41 and the first installation groove 22 are respectively arranged on two sides of the vertical separation plate 2. The vertical partition plate 21 divides the space in the transformer box 2 into two parts, and the two cavities can be used for installing different transformer components, so that interference between the transformer components is avoided, and the first installation groove 22 and the second installation groove 41 can be used for limiting the installation position of the transformer components, so that the installation accuracy is ensured.

Specifically, the two sides of the transition plate 4 along the length direction are provided with MOS tube mounting seats 43, each MOS tube mounting seat 43 comprises a horizontal mounting plate 431 and a vertical mounting plate 432, and the two side walls of the transformer box 2 along the length direction are provided with MOS tube pressure plates 5. In the invention, the MOS tube 3 is arranged on the MOS tube mounting seat 43, so that the MOS tube 3 can be ensured to be mounted at the same height, and the pressing sheet 5 can press the MOS tube 3, limit the position of the MOS tube 3 together with the MOS tube mounting seat 43 and ensure the mounting accuracy of the MOS tube 3.

Specifically, the MOS transistor wafer 5 includes a fixing plate 51 and two crimping plates 52, two crimping plates 52 are connected to each fixing plate 51, the fixing plate 51 is a flat plate attached to the side surface of the transformer box 2, the crimping plates 52 are arc plates, and one end of each crimping plate 52, which is far away from the fixing plate 51, is bent outward and tilted. Even there are two crimping boards 52 on a fixed plate 51, can be used to two less MOS pipes 3 of fixed size, or the great MOS pipe 3 of size, and crimping board 52 keeps away from the perk of outwards buckling of the one end of fixed plate 51 for contact between crimping board 52 and the MOS pipe 3 is line contact or surface contact, thereby possesses better effect of compressing tightly.

Specifically, the transformer box 2 is symmetrically provided with second mounting holes 23 along two sides of the width direction, the upper surface of the transition plate 4 along two sides of the width direction is symmetrically provided with positioning pins 44, and the second mounting holes 23 are matched with the positioning pins 44 for use. The second mounting hole 23 and the positioning pin 44 are used in cooperation, so that the mounting position of the transformer box on the transition plate 4 can be limited, and the mounting accuracy is further ensured.

A method of installing a transformer apparatus, comprising the steps of:

s1: mounting the transformer assembly into the transformer cassette 2;

s2: mounting the transformer box 2 together with the transformer assembly on the transition plate 4;

s3: installing an MOS tube 3;

s4: glue is poured into the transformer box 2 and is solidified;

s5: the transition plate 4 together with the transformer box 2, the transformer assembly and the MOS transistors 3 is mounted to the PCB board 1 by mounting means 6.

Claims

1. The utility model provides a transformer device, includes PCB board and transformer box, install a plurality of transformer subassembly in the transformer box to and establish at the outside a plurality of MOS pipe of transformer box, its characterized in that still includes cab apron and installation device, cross the cab apron and establish between PCB board and transformer box, the installation requirement of crossing cab apron and PCB board is unanimous, be equipped with first mounting hole on the PCB board, the installation device symmetry is established and is being crossed cab apron lower surface along width direction's both sides, first mounting hole uses with the installation device cooperation.

2. The transformer device according to claim 1, wherein the mounting device comprises an anchor bolt and barbs symmetrically arranged on two sides of the anchor bolt, one end of each barb is fixedly connected with the bottom of the anchor bolt, the other end of each barb is provided with a first pressure spring, and the first pressure springs are fixedly connected with the anchor bolt.

3. The transformer apparatus according to claim 1 or 2, wherein a pressing plate is disposed on the top of the barb, and a second pressing spring is disposed between the pressing plate and the barb.

4. The transformer device according to claim 1, wherein a vertical partition plate is disposed in the transformer box, a first mounting groove is disposed at the top of the transformer box, a second mounting groove and a plurality of mounting holes are disposed in the transition plate, and the second mounting groove and the first mounting groove are disposed at two sides of the vertical partition plate.

5. The transformer device according to claim 1 or 2, wherein the transition plate is provided with MOS tube mounting seats on two sides in the length direction, the MOS tube mounting seats comprise a horizontal mounting plate and a vertical mounting plate, and MOS tube pressing sheets are provided on two side walls in the length direction of the transformer box.

6. The transformer device according to claim 4, wherein the MOS tube pressing pieces comprise a fixed plate and two pressing plates, each fixed plate is connected with two pressing plates, the fixed plate is a flat plate attached to a side surface of the transformer box, the pressing plates are arc plates, and one ends of the pressing plates, which are far away from the fixed plate, are bent outwards and tilted.

7. The transformer device according to claim 1, wherein the transformer box is symmetrically provided with second mounting holes along two sides of the width direction, the upper surface of the transition plate is symmetrically provided with positioning pins along the upper surfaces of the two sides of the width direction, and the second mounting holes are matched with the positioning pins.

8. A method of mounting a transformer apparatus according to any one of claims 1 to 7, comprising the steps of:

s1: installing a transformer assembly into a transformer box;

s3: installing an MOS tube;

s4: pouring glue into the interior of the transformer box, and curing;