CN220272272U - Transformer structure and electric equipment - Google Patents

Abstract

The application discloses a transformer structure and electric equipment, wherein the transformer structure comprises a base, a magnetic core assembly and a coil winding; the base comprises a side plate and a bottom plate, the side plate is arranged around the circumference of the bottom plate, the side plate and the bottom plate enclose a containing cavity together, a first placing area is formed on one side of the bottom plate, which is away from a cavity opening of the containing cavity, and the first placing area is used for containing a circuit board assembly; at least part of the magnetic core component is positioned in the accommodating cavity, and the magnetic core component is connected with the base; the coil winding is wound on the magnetic column of the magnetic core assembly, and an outgoing line section of the coil winding is used for being electrically connected with the circuit board assembly. The design can effectively reduce the overall assembly difficulty of the transformer structure.

Description

Transformer structure and electric equipment

Technical Field

The application relates to the technical field of electric equipment, in particular to a transformer structure and electric equipment.

Background

The transformer comprises a winding, a magnetic core and a skeleton, wherein the winding adopts stranded enamelled copper wires, the winding is wound on the magnetic core, and the magnetic core is arranged on the skeleton. In the related art, in order to achieve electrical isolation between the transformer and surrounding components such as a circuit board, insulating tapes are generally wound on the inner side and the outer side of the winding, so that the winding and the insulating tapes form a coil, which causes great difficulty in overall assembly of the transformer. Therefore, how to effectively reduce the overall assembly difficulty of the transformer has become a problem to be solved.

Disclosure of Invention

The embodiment of the application provides a transformer structure and electric equipment, which can solve the problem of high overall assembly difficulty of a transformer in the related technology.

In a first aspect, embodiments of the present application provide a transformer structure; the transformer structure comprises a base, a magnetic core component and a coil winding, wherein the base comprises a side plate and a bottom plate, the side plate is arranged around the circumference of the bottom plate, the side plate and the bottom plate enclose a containing cavity together, a first placing area is formed in one side of the bottom plate, which is away from an orifice of the containing cavity, the first placing area is used for containing a circuit board component, at least part of the magnetic core component is located in the containing cavity, the magnetic core component is connected with the base, the coil winding is arranged on a magnetic column of the magnetic core component in a winding mode, and an outlet section of the coil winding is used for being electrically connected with the circuit board component.

Based on the transformer structure of this application embodiment, the holding chamber that forms is enclosed to establish with the bottom plate to curb plate in with the direct package of magnetic core subassembly in the base, just can effectively keep apart magnetic core subassembly and circuit board subassembly, in the correlation technique, adopts insulating tape to twine outside the coil winding to form the coil package and keeps apart circuit board subassembly, can effectively reduce the whole equipment degree of difficulty of transformer structure.

In a second aspect, an embodiment of the present application provides an electric device, where the electric device includes a housing and the transformer structure, the housing has an installation space, and the transformer structure is disposed in the installation space.

Based on the electric equipment in the embodiment of the application, the electric equipment with the transformer structure is low in overall assembly difficulty.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a transformer structure according to an embodiment of the present application;

FIG. 2 is a schematic view of a base in an embodiment of the present application;

FIG. 3 is a schematic view of a base in an embodiment of the present application from another perspective;

FIG. 4 is a side view of a base in one embodiment of the present application;

FIG. 5 is an exploded view of a transformer structure in one embodiment of the present application;

fig. 6 is a bottom view of a base in one embodiment of the present application.

Reference numerals: 1. a transformer structure; 10. a base; 11. a bottom plate; 111. a first panel; 12. a side plate; 121. a first sub-board; 1211. a first peripheral side surface; 1212. a first end face; 1213. a first groove; 122. a second sub-board; 1221. a second peripheral side surface; 1222. a second end face; 1223. a second groove; 13. a receiving chamber; 131. a cavity opening; 14. a seat leg; 141. a first placement area; 15. a first foot stand; 151. a second placement area; 16. a second foot rest; 17. reinforcing ribs; 20. a magnetic core assembly; 21. a first magnetic core; 211. a main magnet; 212. a magnetic column; 22. a second magnetic core; 30. a coil winding; 31. a primary winding; 32. a secondary winding; 321. copper sheets; 3211. a lead-out end; 40. a first stitch; 50. a second stitch; 60. an insulating film.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

Referring to fig. 1-3, a transformer structure 1 is provided in a first aspect of the present application, which can effectively reduce the overall assembly difficulty of the transformer structure 1.

The transformer structure 1 comprises a base 10, a magnetic core assembly 20 and a coil winding 30; the base 10 comprises a side plate 12 and a bottom plate 11, the side plate 12 is arranged around the circumference of the bottom plate 11, the side plate 12 and the bottom plate 11 jointly enclose a containing cavity 13, one side of the bottom plate 11 away from a cavity opening 131 of the containing cavity 13 is provided with a first placing area 141, and the first placing area 141 is used for containing a circuit board assembly; at least part of the magnetic core assembly 20 is positioned in the accommodating cavity 13, and the magnetic core assembly 20 is connected with the base 10; the coil winding 30 is wound on the magnetic post 212 of the magnetic core assembly 20, and the wire outlet section of the coil winding 30 is used for being electrically connected with the circuit board assembly.

The specific structure of the transformer structure 1 will be described in the following with reference to fig. 1 to 6.

As shown in fig. 1-2, the transformer structure 1 includes a base 10, a magnetic core assembly 20, and a coil winding 30.

The base 10 serves as a carrier for the transformer structure 1 for carrying other components in the transformer structure 1. The specific shape of the base 10 is not limited herein, and a designer may reasonably design according to actual needs, for example, the cross section of the base 10 may be, but not limited to, rectangular, circular, square, etc. The specific material of the base 10 is not limited, and a designer may reasonably select according to practical needs, for example, the specific material of the base 10 may be, but not limited to, plastic, silica gel, rubber, or the like.

The base 10 includes a side plate 12 and a bottom plate 11.

The side plates 12 are arranged around the circumference of the bottom plate 11, and the side plates 12 and the bottom plate 11 can be of a split type structure or an integral type structure; when the side plate 12 and the bottom plate 11 are in a split structure, the side plate 12 may be connected with the bottom plate 11 by one or more of gluing, screwing, clamping and the like; when the side plate 12 and the bottom plate 11 are integrally formed, the side plate 12 may be integrally formed with the bottom plate 11 by injection molding or 3D printing.

The side plate 12 and the bottom plate 11 enclose a containing cavity 13, the specific shape of the containing cavity 13 is not limited, and a designer can reasonably design according to design requirements.

As shown in fig. 3 to 4, a first placement area 141 is formed on the side of the bottom plate 11 facing away from the cavity opening 131 of the accommodating cavity 13, and the first placement area 141 is used for accommodating the circuit board assembly. The circuit board assembly can comprise a circuit board and an electronic component, wherein the electronic component is electrically connected with the circuit board; the circuit board can be a hard circuit board (PCB), a soft circuit board (FPC) or a soft and hard combined circuit board (FPCB); the electronic components may be, but are not limited to, resistors, inductors, capacitors, diodes, transistors, field effect transistors, and the like. It should be noted that, the internal wiring may be formed in the circuit board by, but not limited to, etching, etc., and the different electronic components may be electrically connected through the internal wiring of the circuit board; the transformer structure 1 may further include an external wiring independent of the internal wiring of the circuit board, and the electrical connection between different electronic components, between the electronic components and the coil winding 30, and between the circuit board and the coil winding 30 (described below) may also be achieved by the external wiring, where the external wiring is accommodated in the first placement area 141.

It should be noted that, the first placement area 141 is a space located on the side of the bottom plate 11 facing away from the cavity opening 131 of the accommodating cavity 13 and used for accommodating the circuit board assembly, and many specific forming manners of the first placement area 141 may be provided. For example, the bottom plate 11 has a first plate surface 111 facing away from the cavity opening 131 of the accommodating cavity 13, the side plate 12 has a second plate surface (not shown) facing away from the cavity opening 131 of the accommodating cavity 13, and the second plate surface is disposed farther from the cavity opening 131 of the accommodating cavity 13 than the first plate surface 111 (i.e., the side plate 12 and the bottom plate 11 form a step structure on a side facing away from the cavity opening 131 of the accommodating cavity 13, and the second plate surface and the first plate surface 111 are used for forming a step surface of the step structure), and the bottom plate 11 and the side plate 12 together form the first placement area 141. For another example, the bottom plate 11 is specifically disposed opposite to the first plate surface 111 of the cavity opening 131 of the accommodating cavity 13, and the bottom plate 11 is recessed inward from the first plate surface 111 to form the first placement area 141. Of course, the base plate 11 may be configured to form the first placement area 141 in cooperation with other structures, and a specific forming manner of the first placement area 141 will be described below.

As shown in fig. 5, the magnetic core assembly 20 provides support for the coil windings 30 on the one hand and serves to confine magnetic flux generated when the coil windings 30 are energized on the other hand.

The magnetic core assembly 20 may include a first magnetic core 21 and a second magnetic core 22; the first magnetic core 21 may include a main magnet 211 and two magnetic columns 212, wherein the cross section of the main magnet 211 is shaped like a Chinese character 'ao', and the two magnetic columns 212 are positioned in the concave area of the main magnet 211 and are connected with the main magnet 211 to form an E-shaped structure; the second magnetic core 22 has a rectangular plate-like structure, and the second magnetic core 22 covers the opening of the concave region of the first magnetic core 21.

At least a portion of the core assembly 20 is positioned within the receiving cavity 13. For example, when the magnetic core assembly 20 includes the first magnetic core 21 and the second magnetic core 22, the first magnetic core 21 may be completely located in the accommodating cavity 13, the second magnetic core 22 may be completely located in the accommodating cavity 13, may be partially located in the accommodating cavity 13, or may be completely located outside the accommodating cavity 13.

The magnetic core assembly 20 is connected with the base 10, and the specific connection mode between the magnetic core assembly 20 and the base 10 can be quite varied. For example, when the magnetic core assembly 20 is detachably connected to the base 10, the magnetic core assembly 20 may be connected to the base 10 by, but not limited to, clamping, screwing, plugging, etc.; when the magnetic core assembly 20 is non-detachably connected to the base 10, the magnetic core assembly 20 may be connected to the base 10 by, but not limited to, bonding, etc. The specific connection between the core assembly 20 and the base 10 will be described below.

The coil windings 30 are used to achieve high-low voltage conversion.

The coil winding 30 is wound on the magnetic post 212 of the magnetic core assembly 20, and the wire-outlet section of the coil winding 30 is used for electrical connection with the circuit board assembly, wherein the "wire-outlet section of the coil winding 30" is understood as a redundant portion of the coil winding 30 that is not wound on the magnetic post 212.

Based on the transformer structure 1 in the embodiment of the application, the side plate 12 and the bottom plate 11 enclose the accommodating cavity 13 formed to directly pack the magnetic core assembly 20 in the base 10, so that the magnetic core assembly 20 and the circuit board assembly can be effectively isolated, and compared with the prior art, the transformer structure 1 can be effectively reduced in overall assembly difficulty by adopting the insulating tape to wind outside the coil winding 30 to form the coil to isolate the circuit board assembly.

Further, as shown in fig. 3-4, in some embodiments, the floor 11 has a first deck 111 disposed opposite the mouth 131 of the receiving cavity 13; the base 10 further includes a base leg 14, the base leg 14 is disposed on the first plate 111, and the base leg 14 and the first plate 111 together form a first placement area 141. The first plate surface 111 may be a plane surface, a curved surface, or a combination of a plane surface and a curved surface. The number of the seat feet 14 may be one or more, and the specific shape of the seat feet 14 is not limited herein, so that a designer can reasonably design according to design requirements. For example, when the number of the legs 14 is one, the legs 14 are annular, and the first plate surface 111 and the inner annular surface of the one leg 14 are configured to form the first placement area 141 together; for another example, when the number of the legs 14 is two, the legs 14 may have a straight line shape or a circular arc shape, and the first placement area 141 is formed by the first plate surface 111 and the two surfaces of the two legs 14 that are close to each other. The specific connection manner between the seat leg 14 and the bottom plate 11 is not limited, and the seat leg 14 and the bottom plate 11 may be a split type structure or an integral type structure; when the seat leg 14 and the bottom plate 11 are in a split structure, the seat leg 14 may be connected with the bottom plate 11 by one or more of gluing, screwing, clamping, and the like; when the seat 14 and the bottom plate 11 are integrally formed, the seat 14 may be, but is not limited to, integrally formed with the bottom plate 11 by injection molding or 3D printing. In the design, by designing the seat leg 14, the seat leg 14 and the first board surface 111 together form a first placement area 141 for accommodating the circuit board assembly, and the bottom space of the base 10 is fully utilized, so that the arrangement between the transformer structure 1 and the circuit board assembly is more compact, and the space occupation rate of the circuit board assembly on the transformer structure 1 is effectively increased; the base 10 corresponds to a reinforcing rib, and the support legs serving as the base 10 serve to support the bottom plate 11 and the side plates 12 to enhance the structural strength of the base 10 as a whole.

Specifically, in the embodiment of the present application, the number of the seat feet 14 is four, the four seat feet 14 are in a rectangular block-like structure, the four seat feet 14 are arranged at intervals along the circumferential direction of the bottom plate 11, the first placement area 141 is configured by the first plate surface 111 and the surfaces of the four seat feet 14 close to each other together, and the four seat feet 14 and the bottom plate 11 are integrally formed in an injection molding or 3D printing manner.

Further, as shown in fig. 2 and 6, in some embodiments, the side plate 12 includes a first sub-plate 121 connected to the bottom plate 11, where the first sub-plate 121 has a first peripheral side 1211 connected to the bottom plate 11 and a first end surface 1212 opposite to the bottom plate 11, the first peripheral side 1211 is provided with a first groove 1213 communicating with the accommodating cavity 13, and a side of the first groove 1213 away from the bottom plate 11 penetrates the first end surface 1212. The base 10 further includes a plurality of first pedestals 15, where all the first pedestals 15 are located outside the accommodating cavity 13 and are disposed on the first peripheral side 1211 along the circumferential direction of the bottom plate 11 at intervals, two adjacent first pedestals 15 and the first peripheral side 1211 are configured to form a second placement area 151 together, the second placement area 151 is used for accommodating a circuit board assembly, and the second placement area 151 is located on one side of the first placement area 141. The first sub-board 121 may be a flat board or an arc board; the first peripheral side 1211 is an outer side surface of the first sub-board 121. The first groove 1213 is formed to extend inward from the outer side surface of the first sub-board 121. The formation manner of the first grooves 1213 on the first sub-board 121 is not limited herein, for example, the first grooves 1213 may be formed on the first sub-board 121 by injection molding or 3D printing; the specific shape of the first recess 1213 is not limited, and for example, the first recess 1213 may be, but not limited to, a circular recess or a rectangular recess. The specific shape of the first foot rest 15 is not limited herein, and a designer may reasonably design according to design requirements, for example, the first foot rest 15 may be, but not limited to, a rectangular block-like structure. The specific connection manner between the first socket 15 and the first daughter board 121 is not limited, and the first socket 15 and the first daughter board 121 may be a split type structure or an integral type structure; when the first foot stand 15 and the first daughter board 121 are in a split structure, the first foot stand 15 may be connected to the first daughter board 121 by one or more of gluing, screwing, clamping, etc.; when the first foot stand 15 and the first daughter board 121 are integrally formed, the first foot stand 15 may be integrally formed with the first daughter board 121 by injection molding or 3D printing. In this design, by designing the first foot stand 15, the first foot stand 15 and the first peripheral side 1211 of the first daughter board 121 together form a second placement area 151, and the second placement area 151 can be used for placing components such as electronic components of a circuit board assembly, so that the side space of the side board 12 is fully utilized, and the arrangement between the transformer structure 1 and the circuit board assembly is tighter, thereby further effectively increasing the space occupation rate of the circuit board assembly on the transformer structure 1.

Further, as shown in fig. 3-5, in some embodiments, the transformer structure 1 further includes a plurality of first pins 40, and each first socket 15 is provided with at least one first pin 40; the coil winding 30 includes a primary winding 31, the primary winding 31 is wound on the magnetic pole 212 of the magnetic core assembly 20, and the wire-outgoing section of the primary winding 31 passes through the first groove 1213 and is wound on the first pin 40. The first socket 15 is provided with a first jack, and the first pin 40 can be in interference fit with the hole wall surface of the first jack, so that the installation efficiency of the first pin 40 can be effectively improved; of course, the first pins 40 may be adhered and fixed to the hole wall surface of the first jack by glue. The "outgoing line segment of the primary winding 31" is understood to be a redundant portion of the primary winding 31 that is not wound on the magnetic pole 212. In this design, by designing the first foot stand 15, the first foot stand 15 corresponds to a reinforcing rib, so that the structural strength of the first sub-board 121 can be enhanced to enhance the structural strength of the whole base 10; by designing the first pin 40, the first pin 40 is used for winding the outgoing line section of the primary winding 31, which can be beneficial to fixing the outgoing line section of the primary winding 31; by designing the first pin 40 on the first socket 15, the first pin 40 makes full use of the installation space of the first socket 15, so that the outgoing line section of the primary winding 31 passes through the first groove 1213 to be wound on the first pin 40.

Further, as shown in fig. 2-4, in some embodiments, the side panel 12 further includes a second sub-panel 122 disposed opposite the first sub-panel 121 and connected to the bottom panel 11, the second sub-panel 122 having a second peripheral side surface 1221 connected to the bottom panel 11 and a second end surface 1222 disposed opposite the bottom panel 11, the second peripheral side surface 1221 being provided with a second groove 1223 communicating with the accommodation cavity 13, a side of the second groove 1223 remote from the bottom panel 11 penetrating the second end surface 1222; the base 10 further comprises a second foot rest 16, wherein the second foot rest 16 is positioned outside the accommodating cavity 13 and is arranged on the second peripheral side 1221 along the circumferential direction of the bottom plate 11; the transformer structure 1 further comprises a plurality of second pins 50 provided on the second footer 16; the coil winding 30 further includes a secondary winding 32, the secondary winding 32 is wound on the magnetic pole 212 of the magnetic core assembly 20, and an outgoing line section of the secondary winding 32 passes through the second groove 1223 and is connected to the second pin 50. The second sub-board 122 may be a flat board or an arc board; the second peripheral side 1221 is an outer side surface of the second sub-board 122. The second groove 1223 is formed to extend inward from the outer side surface of the second sub-board 122. The manner in which the second grooves 1223 are formed on the second sub-board 122 is not limited herein, for example, the second grooves 1223 may be formed on the second sub-board 122 by injection molding or 3D printing; the specific shape of the second groove 1223 is not limited, and for example, the second groove 1223 may be, but not limited to, a circular groove or a rectangular groove. The specific shape of the second stand 16 is not limited herein, and a designer may reasonably design according to design requirements, for example, the second stand 16 may be, but not limited to, a strip-like structure. The specific connection manner between the second socket 16 and the second sub-board 122 is not limited herein, and the second socket 16 and the second sub-board 122 may be a split structure or an integral structure; when the second socket 16 and the second sub-board 122 are in a split structure, the second socket 16 may be connected to the second sub-board 122 by, but not limited to, one or more of gluing, screwing, clamping, etc.; when the second stand 16 and the second sub-board 122 are integrally formed, the second stand 16 may be integrally formed with the second sub-board 122 by injection molding or 3D printing. The second foot seat 16 is provided with a second jack, and the second pin 50 can be in interference fit with the hole wall surface of the second jack, so that the installation efficiency of the second pin 50 can be effectively improved through the design; of course, the second pins 50 may be adhered and fixed to the hole wall surface of the second jack by glue. The "outgoing line segment of the secondary winding 32" is understood to be the redundant portion of the secondary winding 32 that is not wound on the magnetic pole 212. In this design, by designing the second stand 16, the second stand 16 corresponds to a reinforcing rib, which can enhance the structural strength of the second sub-board 122 to enhance the structural strength of the whole base 10; by designing the second pin 50, the second pin 50 is used for winding the outgoing line section of the secondary winding 32, which can be beneficial to fixing the outgoing line section of the secondary winding 32; by designing the second pin 50 on the second socket 16, the second pin 50 makes full use of the installation space of the second socket 16, so that the outgoing section of the secondary winding 32 is wound on the second pin 50 through the second groove 1223.

Further, as shown in fig. 5, considering that the secondary winding 32 of the coil winding 30 has a larger wire diameter and the secondary winding 32 of the coil winding 30 has a larger number of turns for the step-up transformer structure 1, winding the secondary winding 32 of the coil winding 30 on the second pin 50 causes, but is not limited to, the following problems: (1) The secondary winding 32 of the coil winding 30 is difficult and inefficient to wind on the second pin 50; (2) The outgoing line section of the secondary winding 32 of the coil winding 30 is wound with the second pin 50, so that the welding point is high, which is not beneficial to reducing the overall height of the transformer structure 1. To address the above, the design of the pole windings for the second pin 50 and the coil winding 30 may be, but is not limited to, one or more of the following several embodiments.

In a first embodiment, at least one second stitch 50 is flat. For example, the second pin 50 may have a rectangular or oval cross section. In this design, the space occupation rate of the second pin 50 can be reduced by designing the second pin 50 to be flat for the secondary winding 32 through which the same current flows, as compared with designing the cross section of the second pin 50 to be circular; the second pin 50, which is flat, is able to withstand a larger current and is less likely to break due to an excessive current flowing through the secondary winding 32.

In a second embodiment, the secondary winding 32 includes a plurality of copper sheets 321 stacked about the magnetic leg 212 of the magnetic core assembly 20, each copper sheet 321 having two spaced apart terminals 3211, at least a portion of the terminals 3211 of the copper sheets 321 being connected to the second pins 50 such that all of the copper sheets 321 are connected in series. All the copper sheets 321 may be disposed on one side of the primary winding 31, or at least two copper sheets 321 may be disposed on two sides of the primary winding 31. The adjacent two copper sheets 321 are electrically isolated by an insulating film 60 (such as an insulating tape). In this design, through designing secondary winding 32 into a plurality of copper sheets 321, the number of turns of each copper sheet 321 is less, can reduce the coiling degree of difficulty of each copper sheet 321 on the magnetic post 212 of magnetic core subassembly 20 on the one hand, on the other hand can also reduce the solder joint height after the play line section of secondary winding 32 winds and establishes second stitch 50, is favorable to reducing transformer structure 1's overall height.

It should be noted that, the number of the copper sheets 321 included in the first pin 40, the second pin 50 and the secondary winding 32 is not limited, and for the transformer structure 1 that realizes different levels of transformation ratio (e.g. 24V-3.3V; or 220V-24V), the number of the copper sheets 321 included in the first pin 40, the second pin 50 and the secondary winding 32 is different, so that a designer can reasonably design according to actual needs.

Further, as shown in fig. 3-4, in some embodiments, the base 10 further includes a stiffener 17, the stiffener 17 being disposed on the side panel 12 and/or the bottom panel 11. The specific form of the reinforcing rib 17 is not limited herein, and for example, the reinforcing rib 17 may be a protrusion, a groove, or a combination of a protrusion and a groove. The specific arrangement position of the reinforcing ribs 17 on the side plate 12/the bottom plate 11 is not limited, and for example, the reinforcing ribs 17 may be arranged on at least one of the first plate surface 111 of the bottom plate 11, the inner surface arranged opposite to the first plate surface 111 of the bottom plate 11, the inner surface of the side plate 12, and the outer surface of the side plate 12. The specific connection relationship between the reinforcing ribs 17 and the side plates 12/bottom plate 11 is not limited, and for example, the reinforcing ribs 17 may be formed integrally with the side plates 12/bottom plate 11 by injection molding or 3D printing. In this design, the reinforcing ribs 17 can further enhance the structural strength of the side plates 12 and the bottom plate 11 by designing the reinforcing ribs 17, thereby further enhancing the structural strength of the entire base 10.

Specifically, in the embodiment of the present application, the side board 12 further includes a third sub-board and a fourth sub-board that are disposed opposite to each other, where two sides of the third sub-board are connected to the first sub-board 121 and the second sub-board 122, respectively, and two sides of the fourth sub-board are connected to the first sub-board 121 and the second sub-board 122, respectively; the reinforcing ribs 17 are elongated protrusions, and the elongated protrusions are integrally formed on the outer surfaces of the third sub-board and the fourth sub-board in an injection molding or 3D printing mode.

Further, as shown in fig. 5, in some embodiments, the transformer structure 1 further includes a connector (not shown), and the magnetic core assembly 20 is connected to the base 10 via the connector. Wherein, the connecting piece can be a glue layer, and the magnetic core component 20 can be fixedly connected with the base 10 through the glue layer; the connecting piece can also be draw-in groove and fixture block, is equipped with the draw-in groove on one of magnetic core subassembly 20 and base 10, is equipped with the fixture block on the other of magnetic core subassembly 20 and base 10, and the fixture block is connected with the draw-in groove block to realize the relative fixed in position between magnetic core subassembly 20 and the base 10. In this design, through the design connecting piece, the connecting piece is as the intermediate junction structure between magnetic core subassembly 20 and the base 10, can effectively strengthen the connection stability between magnetic core subassembly 20 and the base 10.

Of course, in other embodiments, the transformer structure 1 may not include a connector, where the magnetic core assembly 20 is fixed to the base 10 by an interference fit between the magnetic core assembly 20 and a wall surface of the accommodating cavity 13 of the base 10.

The second aspect of this application proposes an consumer, and this consumer includes casing and foretell transformer structure 1, and the casing has installation space, and transformer structure 1 locates in the installation space. The electric equipment can be, but is not limited to, devices including sockets, mobile power supplies, monitors, switches, scanners, telephones, modems and the like. In this design, have the consumer of above-mentioned transformer structure 1, its whole equipment degree of difficulty is low.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present application, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, this is for convenience of description and simplification of the description, but does not indicate or imply that the apparatus or element to be referred must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely used for illustration and are not to be construed as limitations of the present patent, and that the specific meaning of the terms described above may be understood by those of ordinary skill in the art according to the specific circumstances.

The foregoing description of the preferred embodiments of the present application is not intended to be limiting, but is intended to cover any and all modifications, equivalents, and alternatives falling within the spirit and principles of the present application.

Claims (10)

1. A transformer structure, comprising:

the base comprises a side plate and a bottom plate, wherein the side plate is arranged around the circumference of the bottom plate and encloses a containing cavity together with the bottom plate, a first placing area is formed on one side of the bottom plate, which is away from a cavity opening of the containing cavity, and the first placing area is used for containing a circuit board assembly; and

The magnetic core assembly is at least partially positioned in the accommodating cavity and is connected with the base;

and the coil winding is wound on the magnetic column of the magnetic core assembly, and an outgoing line section of the coil winding is used for being electrically connected with the circuit board assembly.

2. The transformer structure of claim 1, wherein the transformer structure comprises,

the bottom plate is provided with a first plate surface which is arranged back to the cavity opening of the accommodating cavity;

the base also comprises a base foot which is arranged on the first plate surface, and the base foot and the first plate surface are arranged in the same structure to form the first placement area.

3. The transformer structure of claim 1, wherein the transformer structure comprises,

the side plate comprises a first sub-plate connected with the bottom plate, the first sub-plate is provided with a first peripheral side surface connected with the bottom plate and a first end surface arranged back to the bottom plate, the first peripheral side surface is provided with a first groove communicated with the accommodating cavity, and one side of the first groove far away from the bottom plate penetrates through the first end surface;

the base also comprises a plurality of first bases, all the first bases are positioned outside the accommodating cavity and are arranged on the first peripheral side face at intervals along the circumferential direction of the bottom plate, two adjacent first bases and the first peripheral side face are arranged to form a second placement area together, the second placement area is used for accommodating the circuit board assembly, and the second placement area is positioned on one side of the first placement area.

4. The transformer structure of claim 3, wherein the transformer structure comprises,

the transformer structure further comprises a plurality of first pins, and each first pin is at least provided with one first pin;

the coil winding comprises a primary winding, the primary winding is wound on the magnetic column of the magnetic core assembly, and an outgoing line section of the primary winding penetrates through the first groove and is wound on the first pin.

5. The transformer structure of claim 3, wherein the transformer structure comprises,

the side plate further comprises a second sub-plate which is arranged opposite to the first sub-plate and connected with the bottom plate, the second sub-plate is provided with a second peripheral side surface connected with the bottom plate and a second end surface arranged back to the bottom plate, the second peripheral side surface is provided with a second groove communicated with the accommodating cavity, and one side of the second groove away from the bottom plate penetrates through the second end surface;

the base also comprises a second base, wherein the second base is positioned outside the accommodating cavity and is arranged on the second peripheral side surface along the circumferential direction of the bottom plate;

the transformer structure further comprises a plurality of second pins arranged on the second foot seat;

the coil winding further comprises a secondary winding, the secondary winding is wound on the magnetic column of the magnetic core assembly, and an outgoing line section of the secondary winding penetrates through the second groove and is connected with the second pin.

6. The transformer structure of claim 5, wherein,

at least one of the second pins is flat.

7. The transformer structure of claim 5, wherein,

the secondary winding comprises a plurality of copper sheets which are stacked around the magnetic post of the magnetic core assembly, each copper sheet is provided with two lead-out ends which are spaced, and at least part of the lead-out ends of the copper sheets are connected with the second pins so as to form a series connection between all the copper sheets.

8. The transformer structure of any one of claims 1-7,

the base also comprises reinforcing ribs, and the reinforcing ribs are arranged on the side plates and/or the bottom plate.

9. The transformer structure of any one of claims 1-7,

the transformer structure further comprises a connecting piece, and the magnetic core assembly is connected with the base through the connecting piece.

10. A powered device, comprising:

a housing having an installation space; and

The transformer structure according to any one of claims 1-9, which is provided in the installation space.