CN219457309U - Patch transformer - Google Patents

Abstract

The application relates to the technical field of transformers and discloses a patch transformer. In this application, including the paster transformer skeleton, be provided with the coil in the paster transformer skeleton, the curb plate, flat weld leg fixed column, flat weld leg, iron core standing groove and iron core meet, the outside gomphosis of iron core has the fixed shell of iron core, be provided with iron core gomphosis groove and the fixed shell curb plate of iron core on the fixed shell of iron core, the upper and lower both sides welding of the fixed shell curb plate one end of iron core on one of them fixed shell of iron core has the embedded plate, the inside through-screw connection of embedded plate has insulating fixing bolt, the fixed screw with insulating fixing bolt looks adaptation has been seted up to the upper and lower both sides of the fixed shell curb plate one end of iron core on another fixed shell of iron core, fixed shell through the iron core is fixed to the iron core for need not demolish the change to just can accomplish the iron core to whole transformer, iron core change and maintenance work's convenience in the paster transformer has been improved.

Description

Patch transformer

Technical Field

The application belongs to the technical field of transformers, and particularly relates to a patch transformer.

Background

A transformer is a device for changing an ac voltage using the principle of electromagnetic induction, and the main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformers), and the like. The method can be divided into the following according to the purposes: power transformers and special transformers (electric furnace transformers, rectifier transformers, power frequency test transformers, voltage regulators, mining transformers, audio transformers, medium frequency transformers, high frequency transformers, impact transformers, instrument transformers, electronic transformers, reactors, transformers, etc.).

The publication number is: CN206451582U, a patch transformer which can reduce the damage of enameled wires, reduce the scrapping of transformers and is more convenient to use. The patch transformer comprises an iron core, a coil, a bracket and pins; the iron core is fixed in the bracket; the pins are fixed on the same side of one end of the bracket side by side; each pin comprises a pin strip and a fixed column; one end of the fixing column penetrates through the pin strip and fixes the pin strip to the bracket; the other end of the fixed column extends out of the surface of the pin strip; 2-3 fixing columns are arranged on each pin strip along the length direction; the wire end of each primary coil and the wire end of each secondary coil are wound by at least more than three enamelled wires; the wire ends of the primary coil and the wire ends of the secondary coil are respectively wound on the corresponding fixed columns of the pins and welded with the fixed columns and the pin strips.

But the iron core on this transformer is fixed to be set up on the support, inconvenient dismantlement when needs change the iron core.

Disclosure of Invention

The purpose of the present application is: in order to solve the problem that the iron core is not easy to detach, the patch transformer is provided.

The technical scheme adopted by the application is as follows: the utility model provides a paster transformer, includes the paster transformer skeleton, the outside winding has the coil in the middle of the paster transformer skeleton, the both sides welding of paster transformer skeleton has the curb plate, the bottom welding in the outside of backing up between the curb plate has a plurality of flat leg fixed column, the other end fixed mounting of flat leg fixed column has flat leg, the inside iron core standing groove that runs through both ends has been seted up to the paster transformer skeleton, the inside grafting of iron core standing groove has two iron cores to meet, the outside gomphosis of iron core has the fixed shell of iron core, the inside one end of the fixed shell of iron core has offered the iron core gomphosis groove with the iron core looks adaptation, the both sides fixed mounting of the fixed shell of iron core has the fixed shell curb plate of one of iron core on the fixed shell of iron core has the gomphosis board, the inside fixed screw that runs through threaded connection has insulating fixing bolt, another the fixed screw that matches with insulating fixing bolt is seted up to the upper and lower both sides of the one end of the fixed shell curb plate of iron core.

Through adopting above-mentioned technical scheme, break away from fixed screw through the insulating fixing bolt in the rotatory embedded plate, immediately, pull two iron core fixed shell to the separation to opposite direction, pull out old iron core from the iron core gomphosis groove, then insert in the iron core fixed shell with new iron core, splice two iron core fixed shell again and on the transformer skeleton, then rotate into corresponding fixed screw with insulating fixing bolt on the embedded plate in fixed, accomplish the change to the iron core, fix the iron core through the iron core fixed shell for need not demolish just can accomplish the change to the iron core to whole transformer, improved the convenience of iron core change and maintenance work in the paster transformer.

In a preferred embodiment, an insulating tape is bonded to the outside of the coil.

By adopting the technical scheme, the copper wire is insulated and protected.

In a preferred embodiment, a wire passing groove is formed between the flat soldering leg fixing posts.

By adopting the technical scheme, copper wires can be conveniently threaded, and winding welding is carried out with the flat welding leg.

In a preferred embodiment, a rubber gasket is provided between the upper end of the insulating fixing bolt and the fitting plate.

Through adopting above-mentioned technical scheme, increase the frictional force between insulating fixing bolt and the embedded board, make insulating fixing bolt's fixed more stable, prevent rocking.

In a preferred embodiment, an insulating spacer is bonded to the inner side of the core fixing housing side plate.

Through adopting above-mentioned technical scheme, increase the frictional force between fixed shell curb plate of iron core and the iron core, make the gomphosis of iron core can be more stable in the iron core gomphosis groove.

In a preferred embodiment, the side plate of the iron core fixing housing where the fixing screw hole is located is provided with a groove adapted to the embedding plate.

Through adopting above-mentioned technical scheme, make better connection between the fixed shell curb plate of iron core.

In summary, due to the adoption of the technical scheme, the beneficial effects of the application are as follows: in this application, when needs change the iron core in the transformer, break away from fixed screw through the insulating fixing bolt in rotatory embedding board, immediately pull two iron core fixed shell to the separation to opposite direction, pull out old iron core from the iron core gomphosis groove, then insert new iron core in the iron core fixed shell, splice two iron core fixed shell again and on the transformer skeleton, then rotate the insulating fixing bolt on the embedding board into corresponding fixed screw in fixed, accomplish the change to the iron core, fix the iron core through the iron core fixed shell for need not demolish just can accomplish the change to the iron core to whole transformer, improved the convenience of iron core change and maintenance work in the paster transformer.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a chip transformer in the present application;

fig. 2 is a schematic structural view of the iron core fixing housing in the present application;

fig. 3 is a schematic overall structure of the fixing device for the side plate of the iron core fixing housing in the present application.

The marks in the figure: 1. a patch transformer backbone; 2. a coil; 3. an insulating tape; 4. a side plate; 5. fixing the column by a flat welding leg; 6. wire passing grooves; 7. flat fillets; 8. an iron core fixing housing; 9. an iron core; 10. an iron core placement groove; 11. an iron core embedding groove; 12. the iron core is fixed on the shell side plate; 13. a rubber gasket; 14. fixing the screw holes; 15. an insulating fixing bolt; 16. and (5) embedding the plates.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

Referring to fig. 1, a patch transformer, including patch transformer skeleton 1, the winding has coil 2 in the middle outside of patch transformer skeleton 1, and the both sides welding of patch transformer skeleton 1 has curb plate 4, and the bottom welding in the outside of backing between curb plate 4 has a plurality of flat leg fixed column 5, and flat leg fixed column 5's the other end fixed mounting has flat leg 7, and the iron core standing groove 10 that runs through both ends has been seted up to patch transformer skeleton 1's inside, and iron core standing groove 10 can fix the connection of iron core and patch transformer skeleton 1 to constitute whole transformer.

Referring to fig. 1-3, two iron cores 9 are inserted and connected in the iron core placing groove 10, an iron core fixing shell 8 is embedded in the outer part of the iron core 9, an iron core embedding groove 11 matched with the iron core 9 is formed in one end of the inner part of the iron core fixing shell 8, iron core fixing shell side plates 12 are fixedly arranged on two sides of the iron core fixing shell 8, embedding plates 16 are welded on the upper side and the lower side of the other end of the iron core fixing shell side plate 12 on one iron core fixing shell 8, insulating fixing bolts 15 penetrate through the inner part of the embedding plates 16, fixing screw holes 14 matched with the insulating fixing bolts 15 are formed on the upper side and the lower side of one end of the iron core fixing shell side plate 12 on the other iron core fixing shell 8, the insulating fixing bolts 15 in the rotating embedding plates 16 are separated from the fixing screw holes 14, the two iron core fixing shells 8 are pulled to be separated in opposite directions, the old iron core 9 is pulled out of the iron core embedding grooves 11, then the new iron core 9 is inserted into the iron core fixing shells 8, the two iron core fixing shells 8 are spliced on the transformer framework 1, then the insulating fixing bolts 15 on the embedding plates 16 are rotated into the corresponding fixing screw holes 14 to be fixed, the iron core 9 is replaced, the iron core 9 is fixed through the iron core fixing shells 8, the iron core 9 can be replaced without dismantling the whole transformer, and convenience in replacing and maintaining work of the iron core 9 in the patch transformer is improved.

Referring to fig. 1, an insulating tape 3 is bonded to the outside of the coil 2 to protect the copper wire from insulation.

Referring to fig. 1, a wire passing groove 6 is formed between the flat welding leg fixing columns 5, so that copper wires can be conveniently threaded, and the wire passing groove is wound and welded with the flat welding legs 7.

Referring to fig. 3, a rubber gasket 13 is provided between the upper end of the insulating fixing bolt 15 and the fitting plate 16, and the friction between the insulating fixing bolt 15 and the fitting plate 16 is increased, so that the fixing of the insulating fixing bolt 15 is more stable and shaking is prevented.

Referring to fig. 2, an insulating spacer is bonded to the inner side of the core fixing housing side plate 12 to increase friction between the core fixing housing side plate 12 and the core 9, so that the core 9 can be more stably fitted in the core fitting groove 11.

Referring to fig. 2, the core fixing housing side plates 12 where the fixing screw holes 14 are located are provided with grooves adapted to the fitting plates 16, so that better connection between the core fixing housing side plates 12 is achieved.

The implementation principle of the embodiment of the patch transformer is as follows: when the iron core in the transformer needs to be replaced, the insulating fixing bolts 15 in the embedding plates 16 are separated from the fixing screw holes 14, the two iron core fixing shells 8 are pulled to be separated in opposite directions, the old iron core 9 is pulled out of the iron core embedding grooves 11, then the new iron core 9 is inserted into the iron core fixing shells 8, the two iron core fixing shells 8 are spliced on the transformer framework, then the insulating fixing bolts 15 on the embedding plates 16 are rotated into the corresponding fixing screw holes 14 to be fixed, the iron core 9 is replaced, the iron core 9 is fixed through the iron core fixing shells 8, the iron core 9 can be replaced without dismantling the whole transformer, and convenience in replacing and maintaining the iron core 9 in the patch transformer is improved.

The above embodiments are only for illustrating the technical solution of the present application, and are not limiting thereof; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims (6)

1. A chip transformer, comprising a chip transformer skeleton (1), characterized in that: a coil (2) is wound on the outer side of the middle of the patch transformer framework (1), two sides of the patch transformer framework (1) are welded with side plates (4), a plurality of flat welding leg fixing columns (5) are welded at the bottom ends of the outer sides of the side plates (4) which are opposite to each other, the other end of the flat welding leg fixing column (5) is fixedly provided with a flat welding leg (7), iron core placing grooves (10) penetrating through two ends are formed in the patch transformer framework (1), two iron cores (9) are connected in an inserted manner in the iron core placing groove (10), an iron core fixing shell (8) is embedded outside the iron core (9), an iron core jogging groove (11) which is matched with the iron core (9) is arranged at one end of the inner part of the iron core fixing shell (8), two sides of the iron core fixing shell (8) are fixedly provided with iron core fixing shell side plates (12), the upper side and the lower side of the other end of the side plate (12) of the iron core fixing shell (8) are welded with embedded plates (16), the embedded plate (16) is internally connected with an insulating fixing bolt (15) through a thread, and fixing screw holes (14) matched with the insulating fixing bolt (15) are formed in the upper side and the lower side of one end of the side plate (12) of the iron core fixing shell on the other iron core fixing shell (8).

2. A chip transformer as defined in claim 1, wherein: an insulating tape (3) is adhered to the outer side of the coil (2).

3. A chip transformer as defined in claim 1, wherein: a wire passing groove (6) is formed between the flat welding leg fixing columns (5).

4. A chip transformer as defined in claim 1, wherein: a rubber gasket (13) is arranged between the upper end of the insulating fixing bolt (15) and the embedded plate (16).

5. A chip transformer as defined in claim 1, wherein: an insulating gasket is bonded on the inner side of the side plate (12) of the iron core fixing shell.

6. A chip transformer as defined in claim 1, wherein: the side plate (12) of the iron core fixing shell where the iron core fixing shell (14) is arranged is provided with a groove matched with the embedded plate (16).