CN214753304U - Line cake structure transformer - Google Patents

Abstract

The utility model discloses a line cake structure transformer, including the magnetic core, one side of magnetic core is provided with the PCB support, the upper surface of magnetic core is provided with the insulating sticky tape, the upper surface of insulating sticky tape is provided with the line cake, the upper surface of line cake is provided with the marginal sticky tape, the upper surface of marginal sticky tape is provided with the copper sheet winding, one side of copper sheet winding is provided with around the cake lead-out wire, the upper surface of copper sheet winding is provided with the skeleton, one side of skeleton is provided with around the cake lead-out wire. The utility model discloses in, the direct structure of winding into the line cake of primary copper line has avoided using the magnetic core as supporting, thereby the no skeleton has increased the winding space, when being favorable to the radiating, has improved unit volume's power density, and secondary uses the copper sheet winding, and the copper sheet winding can bear bigger electric current, keeps apart through the skeleton between the copper sheet number of turns to increase insulating sticky tape and insulating barricade and improve insulation distance.

Description

Line cake structure transformer

Technical Field

The utility model relates to a transformer field especially relates to line cake structure transformer.

Background

The transformer is a static electrical equipment for transforming alternating voltage and current to transmit alternating current energy, and realizes the transmission of the electric energy according to the principle of electromagnetic induction, and the transformer can be divided into a power transformer, a test transformer, an instrument transformer and a transformer with special purposes according to the purposes: the power transformer is a necessary device for power transmission and distribution and power consumer distribution, the test transformer is a device for carrying out withstand voltage test on electrical equipment, the instrument transformer is used for electrical measurement and relay protection of a power distribution system, and the transformers with special purposes comprise a smelting furnace transformer, an electric welding transformer, an electrolysis rectifier transformer, a small-sized regulating transformer and the like.

Present transformer all makes its winding on the skeleton through artifical wire winding with the copper line, then overlaps the magnetic core on the skeleton again, twines the lead wire again at last and carries out tin-plating switch-on the cake of winding extraction line, the trouble of such mode ten minutes, and because the skeleton occupies partial space, so power density is lower, twine the copper line on the skeleton in addition, can bump under the copper line emergence not hard up condition, this will lead to the transformer to take place the short circuit phenomenon, this will produce the damage to the transformer.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a transformer with a wire cake structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the transformer with the wire cake structure comprises a magnetic core, wherein a PCB support is arranged on one side of the magnetic core, an insulating adhesive tape is arranged on the upper surface of the magnetic core, a wire cake is arranged on the upper surface of the insulating adhesive tape, an edge adhesive tape is arranged on the upper surface of the wire cake, a copper sheet winding is arranged on the upper surface of the edge adhesive tape, a cake winding lead-out wire is arranged on one side of the copper sheet winding, a framework is arranged on the upper surface of the copper sheet winding, and a cake winding lead-out wire is arranged on one side of the framework.

As a further description of the above technical solution:

the wire cake is formed by winding a primary copper wire independently.

As a further description of the above technical solution:

the magnetic core, the insulating adhesive tape, the wire cake, the edge adhesive tape and the copper sheet winding are all divided into two groups and are symmetrically distributed around the framework.

As a further description of the above technical solution:

the copper sheet winding comprises the circular copper ring of multiunit and circular copper ring passes through stamping forming, the multiunit keep apart through the skeleton between the circular copper ring, copper sheet winding and pin be connected as an organic whole.

As a further description of the above technical solution:

one side of the thread cake is provided with a thread end, and the thread end is directly led out in a fly thread mode without winding feet and arranging threads.

As a further description of the above technical solution:

the insulating adhesive tape and the edge adhesive tape are bonded with the wire cake through glue.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, the direct structure of winding into the line cake of elementary copper line, avoided the winding of old-fashioned copper line on the skeleton, thereby no skeleton has increased the winding space, when being favorable to the radiating, has improved the power density of unit volume, has brought the convenience for the structure of transformer.

2. The utility model discloses in, secondary uses the copper sheet as the copper sheet winding, and the copper sheet winding can bear bigger electric current, has avoided the manual work to carry out the wire winding, provides the aspect for the production of transformer, has improved the production efficiency of transformer.

3. The utility model discloses in, keep apart through the skeleton between the copper sheet number of turns to increase insulating sticky tape and insulating barricade and improve the insulation distance, improved the security of transformer, thereby improved the life of transformer.

4. The utility model discloses in, the one end of line cake sets up the end of a thread, and the end of a thread directly draws forth with the fly line form, need not to twine foot reason line, and the end of a thread that can avoid soldering tin to form drops from winding cake extraction line to influence the normal use of transformer.

Drawings

Fig. 1 is an exploded view of a line cake structure transformer according to the present invention;

fig. 2 is a schematic structural diagram of a line cake of the line cake structure transformer provided by the present invention;

fig. 3 is a schematic structural diagram of a bobbin of the line cake structure transformer according to the present invention;

fig. 4 is a schematic structural diagram of a copper sheet winding of the transformer with a coil structure according to the present invention;

fig. 5 is a schematic structural diagram of a PCB support of the line cake structure transformer according to the present invention;

fig. 6 is a schematic structural diagram of a magnetic core of a line cake structure transformer according to the present invention;

fig. 7 is an assembly view of the transformer with a line cake structure according to the present invention.

Illustration of the drawings:

1. a magnetic core; 2. an insulating tape; 3. a wire cake; 4. an edge tape; 5. a copper sheet winding; 6. a framework; 7. a PCB bracket; 8. a pin; 9. and leading out wires around the cakes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-7, the present invention provides an embodiment: a transformer with a wire cake structure comprises a magnetic core 1, wherein a PCB support 7 is arranged on one side of the magnetic core 1, the model of the magnetic core 1 is PQ3216 type, the model can be other models, an insulating adhesive tape 2 is arranged on the upper surface of the magnetic core 1, a wire cake 3 is arranged on the upper surface of the insulating adhesive tape 2, the wire cake 3 is formed by independently winding primary copper wires, the primary copper wires are directly wound into the wire cake 3, the phenomenon that the old copper wires are wound on a framework 6 is avoided, convenience is brought to the structure of the transformer, an edge adhesive tape 4 is arranged on the upper surface of the wire cake 3, the insulating adhesive tape 2 and the edge adhesive tape 4 are both bonded with the wire cake 3 through glue, the edge adhesive tape 4 and the insulating adhesive tape 2 can isolate the copper wires on the wire cake 3, the phenomenon that the copper wires collide with each other to cause short circuit of the transformer, further damage the transformer and influence the use of the transformer, a copper sheet winding 5 is arranged on the upper surface of the edge adhesive tape 4, the copper sheet winding 5 is composed of a plurality of groups of round copper rings, the round copper rings are formed by punching, the round copper rings are isolated by a framework 6, the copper sheet winding 5 and pins 8 are integrally connected, a copper sheet is used as a material of the copper sheet winding 5 at the secondary side, manual winding is avoided, convenience is provided for the production of the transformer, the production efficiency of the transformer is improved, the insulating tape 2 and the insulating retaining wall are added to improve the insulating distance, the safety of the transformer is improved, contact between copper wires is prevented, the short circuit phenomenon of the transformer is caused, the service life of the transformer is prolonged, the number of the magnetic core 1, the insulating tape 2, the wire cake 3, the edge tape 4 and the copper sheet winding 5 is two groups and is symmetrically distributed about the framework 6, a cake winding lead-out wire 9 is arranged on one side of the copper sheet winding 5, and the copper sheet winding 5 and the cake winding lead-out wire 9 are integrally connected, one side of the wire cake 3 is provided with a wire end, the wire end is directly led out in a flying wire form, the winding and the wire arrangement are not needed, manual wire winding and trimming wire end soldering tin is cancelled, the wire end formed by the soldering tin can be prevented from falling off, the possibility that the normal use of the transformer is influenced due to the falling of the wire end is reduced, the upper surface of the copper sheet winding 5 is provided with a framework 6, and one side of the framework 6 is provided with a wire outgoing line 9 of the winding cake.

The working principle is as follows: firstly, an insulating tape 2 is installed on a magnetic core 1, then a primary copper wire is wound into a coil 3, then an edge tape 4 is pasted on the end face of the coil 3, then a copper sheet winding 5 consisting of copper sheets is fixed on the upper surface of the edge tape 4, finally a framework 6 is connected with the copper sheet winding 5, then the combined transformer is installed on a power board PCB, and then the transformer can be used after being electrified.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (6)

1. Line cake structure transformer, including magnetic core (1), its characterized in that: the PCB winding and winding device is characterized in that a PCB support (7) is arranged on one side of the magnetic core (1), an insulating adhesive tape (2) is arranged on the upper surface of the magnetic core (1), a wire cake (3) is arranged on the upper surface of the insulating adhesive tape (2), an edge adhesive tape (4) is arranged on the upper surface of the wire cake (3), a copper sheet winding (5) is arranged on the upper surface of the edge adhesive tape (4), a pin (8) is arranged on one side of the copper sheet winding (5), a framework (6) is arranged on the upper surface of the copper sheet winding (5), and a cake winding lead-out wire (9) is arranged on one side of the framework (6).

2. The pancake transformer of claim 1, wherein: the wire cake (3) is formed by independently winding a primary copper wire.

3. The pancake transformer of claim 1, wherein: the number of the magnetic cores (1), the number of the insulating adhesive tapes (2), the number of the wire cakes (3), the number of the edge adhesive tapes (4) and the number of the copper sheet windings (5) are two, and the two groups of the copper sheet windings are symmetrically distributed around the framework (6).

4. The pancake transformer of claim 1, wherein: copper sheet winding (5) constitute and circular copper ring passes through stamping forming by the circular copper ring of multiunit, the multiunit keep apart through skeleton (6) between the circular copper ring, copper sheet winding (5) and pin (8) are connected as an organic whole.

5. The pancake transformer of claim 1, wherein: one end of the thread cake (3) is provided with a thread end, and the thread end is directly led out in a fly thread mode without winding feet and arranging threads.

6. The pancake transformer of claim 1, wherein: the insulating adhesive tape (2) and the edge adhesive tape (4) are bonded and connected with the wire cake (3) through glue.

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