Modularized transformer framework

Abstract

The utility model relates to the technical field of transformers, in particular to a modularized transformer framework which comprises a pair of side plates and a plurality of wrapping posts arranged between the two side plates, and locking connecting pieces are installed at the two ends between the two side plates. The locking connecting piece comprises a first fixing block installed on one side plate and a second fixing block installed on the other side plate, and the first fixing block and the second fixing block are detachably connected. Embedding grooves allowing one ends of the wrapping posts to be embedded are formed in the side plates respectively, and the wrapping posts are detachably installed in the embedding grooves; the two side plates are detachably connected through the first fixing block and the second fixing block, so that the two side plates are detachably connected, in addition, the wrapping posts can be detachably installed between the two side plates through the embedding grooves, the wrapping posts with the corresponding number can be selected according to needs to be installed on the side plates, coils can be wound on the wrapping posts to be machined into the transformer, and the transformer is convenient to assemble and disassemble. And the number of the coils is selectable without re-opening the mold, so that the cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of transformers, in particular to a modular transformer skeleton. Background Art

[0002] With the development of society, more and more electrical appliances have entered people's production and life, and the design and use of transformers are particularly important. The transformer skeleton is an important magnetic component in the power electronic converter, and it is also an important factor restricting the miniaturization, efficiency and power density improvement of the power electronic converter. The existing transformer skeletons are mostly one-piece designs, and the winding area cannot be adjusted according to the use requirements, and cannot meet the diverse use requirements. In addition, the terminal plate of the existing transformer skeleton is not easy to disassemble, and it is difficult to replace the terminal plate of different models for winding.

[0003] In this regard, the utility model with application number CN202320442432.2 discloses a transformer skeleton, including a winding shaft, a connecting groove, an end plate, a sliding groove, a push plate and a plug strip, the two sides of the winding shaft are symmetrically provided with connecting grooves, both ends of the winding shaft are slidably connected with end plates, and the inner ring of the end plate is symmetrically provided with sliding grooves. The transformer skeleton designed by the utility model can make the end plate slide and adjust on the winding shaft through the matching design of the connecting groove and the plug strip, so as to control the spacing between the two end plates, and the winding shaft between the end plates is used for winding, so as to realize the adjustment and control of the winding area, meet the diversified use requirements, and through the matching design of the push plate, the sliding block and the spring, the engaging state of the plug strip and the connecting groove can be controlled, so as to realize the use effect of sliding the end plate off the winding shaft, meet the different winding use requirements.

[0004] Most of the bobbins can only install one coil. When some equipment requires a transformer with a multi-coil structure, the existing bobbins cannot meet the demand and need to be re-molded. In addition, multiple molds need to be designed to accommodate the bobbins for installing a variety of coils. Utility Model Content

[0005] The utility model aims to provide a modular transformer frame to address the deficiencies of the prior art.

[0006] To achieve the above purpose, the technical solution of the utility model is as follows:

[0007] A modular transformer skeleton comprises a pair of side plates and a plurality of winding posts arranged between the two side plates, locking connectors are installed at both ends between the two side plates, the locking connectors comprise a first fixing block installed on one of the side plates and a second fixing block installed on the other side plate, the first fixing block and the second fixing block are detachably connected; the side plates are respectively formed with an interlocking groove for embedding one end of the winding post, and the winding post is detachably installed in the interlocking groove.

[0008] Further: a plurality of pin modules are installed at the bottom of the side panel.

[0009] Further: the pin module includes a pin plate, the pin plate is installed with a plurality of metal pins, a pin groove is formed at the bottom of the side plate, and the pin plate is detachably installed in the pin groove.

[0010] Furthermore: the pin plate is formed with metal contacts, and the slot wall of the pin slot is formed with a metal conductive surface in contact with the metal contacts.

[0011] Furthermore: snap-in grooves are respectively arranged on both sides of the engaging groove, and a side baffle is detachably mounted between the two side plates through the snap-in grooves.

[0012] Further: a top cover plate is installed on the top of the side plate.

[0013] Furthermore: the first fixing block is provided with a first embedding block, the second fixing block is provided with a second embedding block, the first fixing block is hinged with a buckle block, and the other end of the buckle block can hook the second embedding block.

[0014] Furthermore: a locking groove is formed at one end of the snap block, and the second engaging block includes a main body column formed on the second fixed block, and the main body column is formed with a stop block with an inclined surface structure.

[0015] Furthermore: a guide hole is formed on the inner end surface of the first fixing block, and a guide column coaxially matched with the guide hole is formed on the inner end surface of the second fixing block.

[0016] Further: threaded seats are formed at both ends of the side plates, threaded holes are formed on the threaded seats, the threaded holes between the side plates are coaxially aligned, and a locking screw is installed between the two threaded holes.

[0017] The beneficial effects of the utility model are as follows: the two side panels are detachably connected by the first fixing block and the second fixing block, so that the two side panels can be detachably connected. In addition, the winding post can be detachably installed between the two side panels through the engaging groove. The corresponding number of winding posts can be selected according to demand and installed on the side panels. The coils can be wound on the winding posts to form a transformer. The number of coils can be selected without the need to re-open the mold, thereby reducing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of the transformer skeleton.

[0019] Figure 2 It is a schematic diagram of the structure when the two side panels are separated.

[0020] Figure 3 This is a schematic diagram of the exploded structure of one of the side panels.

[0021] Reference numerals include:

[0022] 1- Side panel,

[0023] 11-winding column, 12-fitting groove, 13-slot, 14-side baffle, 15-top cover, 16-threaded seat, 17-threaded hole, 18-locking screw,

[0024] 2-pin module,

[0025] 21-pin board, 22-metal pin, 23-pin slot, 24-metal contact, 25-metal conductive surface,

[0026] 3-Lock connector,

[0027] 31-first fixing block, 32-second fixing block, 33-guide hole, 34-guide column,

[0028] 35-first fitting block, 36-buckle block, 37-locking groove, 38-second fitting block,

[0029] 39-main body column, 40-stop block. DETAILED DESCRIPTION

[0030] The utility model is described in detail below with reference to the accompanying drawings.

[0031] like Figure 1-3 As shown, a modular transformer skeleton includes a pair of side panels 1 and a plurality of winding posts 11 arranged between the two side panels 1, and locking connectors 3 are installed at both ends between the two side panels 1. The locking connector 3 includes a first fixing block 31 installed on one of the side panels 1 and a second fixing block 32 installed on the other side panel 1, and the first fixing block 31 and the second fixing block 32 are detachably connected; the side panels 1 are respectively formed with an embedding groove 12 for embedding one end of the winding post 11, and the winding post 11 is detachably installed in the embedding groove 12.

[0032] The two side panels 1 are detachably connected via a first fixing block 31 and a second fixing block 32, so that the two side panels 1 can be detachably connected. In addition, the winding post 11 can be detachably installed between the two side panels 1 via an engaging groove 12. A corresponding number of winding posts 11 can be selected as required to be installed on the side panels 1, and the coils can be wound on the winding posts 11 to form a transformer. The number of coils can be selected without the need to re-open the mold, thereby reducing costs.

[0033] A plurality of pin modules 2 are installed at the bottom of the side panel 1, and the pin modules 2 are used to connect with the device. The pin module 2 includes a pin plate 21, and the pin plate 21 is installed with a plurality of metal pins 22. A pin groove 23 is formed at the bottom of the side panel 1, and the pin plate 21 can be detachably installed in the pin groove 23. According to the number of coils to be used, a corresponding number of pin modules 2 are installed on one side panel 1, and the pin plate 21 can be embedded in the pin groove 23 to achieve detachable installation.

[0034] Preferably, the pin plate 21 is formed with metal contacts 24, and the slot wall of the pin slot 23 is formed with a metal conductive surface 25 that contacts the metal contacts 24. After the pin plate 21 is installed in the pin slot 23, the metal contacts 24 contact the metal conductive surface 25 to achieve conductive connection.

[0035] A snap-in groove 13 is provided on both sides of the fitting groove 12, and a side baffle 14 is detachably installed between the two side plates 1 through the snap-in groove 13. The side plate 1 can isolate the winding coil from the coil beside it to reduce the influence between the two adjacent coils.

[0036] A top cover plate 15 is installed on the top of the side plate 1. The top cover plate 15 can cover the fitting groove 12 and the snap-in groove 13 to prevent the winding pole 11 and the side baffle plate 14 from detaching from the side plate 1, thereby ensuring the overall structural stability.

[0037] The first fixing block 31 is provided with a first interlocking block 35, and the second fixing block 32 is provided with a second interlocking block 38. The first fixing block 31 is hinged with a snap block 36, and the other end of the snap block 36 can hook the second interlocking block 38 to realize the connection between the first fixing block 31 and the second fixing block 32, that is, the two side panels 1 are spliced ​​with each other and are not easy to separate.

[0038] Specifically, one end of the snap block 36 is hinged to the first fixed block 31 through a hinge structure, a locking groove 37 is formed at one end of the snap block 36, the second interlocking block 38 includes a main body column 39 formed on the second fixed block 32, the main body column 39 is formed with a stop block 40 with a slope structure, the cross-sectional area of ​​the stop block 40 is larger than the cross-sectional area of ​​the main body column 39, and the other end of the snap block 36 can be connected to the second interlocking block 38 through the locking groove 37, so that the locking groove 37 hooks the stop block 40 and will not detach from the second interlocking block 38.

[0039] A guide hole 33 is formed on the inner end surface of the first fixing block 31, and a guide column 34 coaxially matched with the guide hole 33 is formed on the inner end surface of the second fixing block 32. When the first fixing block 31 and the second fixing block 32 are connected, the guide column 34 of the second fixing block 32 is coaxially inserted into the guide hole 33 of the first fixing block 31 to ensure the coaxiality between the first fixing block 31 and the second fixing block 32, and to ensure the connection stability between the first fixing block 31 and the second fixing block 32. The snap block 36 can buckle the second interlocking block 38 through the locking groove 37.

[0040] Furthermore, threaded seats 16 are respectively formed at both ends of the side panels 1, and threaded holes 17 are formed on the threaded seats 16. The threaded holes 17 between the side panels 1 are coaxially aligned, and a locking screw 18 is installed between the two threaded holes 17. The locking screw 18 passes through the threaded seats 16 of the two side panels 1 and rotates on the threaded holes 17 to achieve the connection between the two side panels 1, thereby preventing the first side panel 1 and the second side panel 1 from detaching from each other, and the connection stability is further improved.

[0041] In summary, it can be seen that the utility model has the above-mentioned excellent characteristics, which can enhance the performance unprecedented in the prior art and become a product with great practical value.

[0042] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there will be changes in the specific implementation methods and application scopes. The contents of this specification should not be understood as limiting the present invention.

Claims

1. A modular transformer frame, comprising a pair of side plates and a plurality of winding posts arranged between the two side plates, characterized in that: Locking connectors are installed at both ends between the two side panels, and the locking connectors include a first fixed block installed on one of the side panels and a second fixed block installed on the other side panel, and the first fixed block and the second fixed block are detachably connected; the side panels are respectively formed with an interlocking groove for one end of the winding post to be embedded, and the winding post is detachably installed in the interlocking groove.

2. A modular transformer skeleton according to claim 1, characterized in that: A plurality of pin modules are installed at the bottom of the side plate.

3. A modular transformer skeleton according to claim 2, characterized in that: The pin module comprises a pin plate, a plurality of metal pins are installed on the pin plate, a pin groove is formed at the bottom of the side plate, and the pin plate is detachably installed in the pin groove.

4. A modular transformer skeleton according to claim 3, characterized in that: The pin plate is formed with metal contacts, and the slot wall of the pin slot is formed with a metal conductive surface in contact with the metal contacts.

5. A modular transformer skeleton according to claim 4, characterized in that: The two sides of the engaging groove are respectively provided with snap-in grooves, and a side baffle is detachably mounted between the two side plates through the snap-in grooves.

6. A modular transformer skeleton according to claim 5, characterized in that: A top cover plate is installed on the top of the side plate.

7. A modular transformer skeleton according to claim 6, characterized in that: The first fixing block is provided with a first embedding block, the second fixing block is provided with a second embedding block, the first fixing block is hinged with a buckle block, and the other end of the buckle block can hook the second embedding block.

8. A modular transformer skeleton according to claim 7, characterized in that: A locking groove is formed at one end of the buckle block, and the second engaging block includes a main body column formed on the second fixing block, and the main body column is formed with a stop block with an inclined surface structure.

9. A modular transformer skeleton according to claim 8, characterized in that: A guide hole is formed on the inner end surface of the first fixing block, and a guide column coaxially matched with the guide hole is formed on the inner end surface of the second fixing block.

10. A modular transformer skeleton according to claim 9, characterized in that: The two ends of the side plates are respectively formed with threaded seats, the threaded seats are formed with threaded holes, the threaded holes between the side plates are coaxially aligned, and a locking screw is installed between the two threaded holes.

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