CN214476896U

CN214476896U - Synchronous winding parallel electronic transformer

Info

Publication number: CN214476896U
Application number: CN202120186158.8U
Authority: CN
Inventors: 董右云; 田正强
Original assignee: Shenzhen Flexible Magnetoelectric Technology Co Ltd
Current assignee: Shenzhen Flexible Magnetoelectric Technology Co Ltd
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-10-22
Anticipated expiration: 2031-01-22

Abstract

The utility model relates to the technical field of transformers, and discloses a synchronously wound parallel electronic transformer, comprising a lower magnetic core, an upper magnetic core is bolted on the top of the lower magnetic core, and the surface of the lower magnetic core is fixed A wire cake is sleeved, and the wire cake is located between the lower magnetic core and the upper magnetic core, two pins are bolted on the surface of the lower magnetic core, and the wire cake is located between the two pins and is electrically connected with the pins, The surface of the lower magnetic core is bolted with two bobbins, and the wire cake is located between the two bobbins, and the bobbin is located between the two pins, and the wire cake is a sandwich winding type, with one layer of primary coil and one layer of secondary The coil is a layer of secondary wire; when the copper wire is wound in the utility model, multiple groups of coils can be wound synchronously, and the coil with the largest number of turns is used as the method of synchronizing the longest time to cut, which can achieve simple process and high quality. The purpose of control, thereby improving production efficiency.

Description

Synchronous winding parallel electronic transformer

Technical Field

The utility model relates to a transformer technical field specifically is an electronic transformer of parallel mode of synchronous coiling.

Background

An electronic transformer, also called an electronic power transformer, is an electronic device for transferring energy and converting power, and is also a common device in a circuit.

The conventional winding method of the existing electronic transformer is that a layer of coil is wound on the upper bottom layer of a framework from inside to outside, then a pin of a copper wire is sleeved in an insulating sheath and led to a pin end, then a layer of insulating gummed paper is wound, then a layer of coil is wound, then the pin of the copper wire is sleeved in the insulating sheath and led to the pin end, then a layer of insulating gummed paper is wrapped, the steps are repeated for multiple times, wherein the coil is also required to be immersed in varnish or insulating varnish for fixation, the process is complex and variable, the production efficiency is low, the insulation voltage resistance is easy to be insufficient, the quality is not controllable, the electronic transformer can generate heat due to the existence of iron loss and copper loss, the performance and the technical index of the transformer are influenced, the conventional method adopts a conduction heat dissipation method, the heat dissipation method is that the copper wire is arranged from inside to the insulating material and then to the outer copper wire and then to the outer magnetic core, the heat is continuously increased due to the circulation of the multiple layers, and the electronic transformer has the insulating strength, Creepage distance, the ann rule requirements such as electric spacing, because of the space size in the magnetic core is narrow and small, the window utilization ratio is low, hardly balanced and satisfy the requirement, especially creepage distance and dielectric strength's the design degree of difficulty is great, traditional electronic transformer's design adopts the skeleton to keep apart the magnetic core, adopt the insulating tape between the layer, the outside still adopts insulating adhesive tape parcel, the purpose is exactly for extension creepage distance, but the heat gathering, be difficult to the heat dissipation, the wire winding mode is the limited window area of make full use of magnetic core, between circle and the circle, be spiral cross-shaped between the layer, the form is irregular, it is poor to cause the performance uniformity, in order to solve above-mentioned problem that exists, we propose a parallel mode's of synchronous coiling electronic transformer.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a synchronous winding parallel electronic transformer, which has the advantages of simple process, controllable quality, good heat dissipation and good performance consistency, and solves the problems that the conventional winding mode of the electronic transformer is to wind a layer of coil on the upper bottom layer of a framework from inside to outside, then the pins of a copper wire are sleeved in an insulating sheath and led to a pin end, then a layer of insulating gummed paper is wound, then a layer of coil is wound, then the pins of the copper wire are sleeved in the insulating sheath and led to the pin end, and then a layer of insulating gummed paper is wrapped, and the steps are repeated for multiple times, wherein the coil is also required to be immersed in standing water or insulating paint for fixation, the process is complex and variable, the production efficiency is low, the phenomena of insufficient insulating and pressure resistance, uncontrollable quality, the existence of iron loss and copper loss of the electronic transformer can generate heat, the performance and technical indexes of the transformer are influenced, and the conventional mode adopts a conduction heat dissipation mode, the heat dissipation path is from the copper line in to insulating material to the copper line outside again to outside magnetic core, so multilayer circulation, the heat also constantly risees, electronic transformer has the safety regulation requirements such as dielectric strength, creepage distance, electric interval, because the space size in the magnetic core is narrow and small, the window low-usage, it is difficult to balance and satisfy the requirement, especially creepage distance and dielectric strength's the design degree of difficulty is great, traditional electronic transformer's design adopts the skeleton to keep apart the magnetic core, adopt the insulating tape between the layer, the outside still adopts insulating adhesive tape parcel, the purpose is in order to lengthen creepage distance, but the heat gathering, be difficult to the heat dissipation, the winding mode has fully utilized the limited window area of magnetic core, between circle and circle, between the layer is the spiral cross form, the form irregularity, cause the poor problem of performance uniformity.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electronic transformer of parallel mode of synchronous coiling, includes lower magnetic core, the top bolt of magnetic core has connect the magnetic core down, the fixed surface of magnetic core has cup jointed the line cake down, and the line cake is located down between magnetic core and the last magnetic core, the surface bolt of magnetic core has connected two stitchs down, the line cake be located between two stitchs and with stitch electric connection, the surface bolt of magnetic core has connected two skeletons down, and the line cake is located between two skeletons, and the skeleton is located between two stitchings.

Preferably, the wire cake is of a sandwich winding type, and the primary coil layer, the secondary wire layer and the primary coil layer are sequentially stacked to form a symmetrical structure, so that leakage inductance is minimum.

Preferably, heat-conducting glue is poured around the wire cake groove, and the wire cake groove is fixed and sealed.

Preferably, the wire grooves in the wire cake are parallel to each other and are divided into a plurality of layers.

Preferably, the lead of the high-voltage end of the wire cake is placed on the left pin for fixation, and the lead of the low-voltage end is placed on the right pin for fixation, and flexible configuration and use can be performed.

Compared with the prior art, the utility model provides a parallel mode's of synchronous coiling electronic transformer possesses following beneficial effect:

1. the utility model discloses a when coiling copper line, multiunit coil can carry out the coiling in step, according to the mode that the coil of the number of turns of the most is cut off as synchronous longest time, can reach the purpose that the process is simple and the quality is controllable too much to production efficiency has been improved;

2. the utility model can achieve the purpose of good coil consistency by stacking each layer of coils in a parallel way, so that the technical index is greatly improved;

3. the utility model discloses a make the wire casing in the line cake parallel to each other, and divide into the mode of multilayer, can reach the purpose that device heat dispersion is good, the device has great heat radiating area and heat dissipation channel, has reduced the temperature rise.

Drawings

FIG. 1 is an exploded view of the structure of the present invention;

FIG. 2 is a perspective view of the present invention;

fig. 3 is a perspective view of the local structure of the present invention.

In the figure: 1. a lower magnetic core; 2. an upper magnetic core; 3. a wire cake; 4. a stitch; 5. and (3) a framework.

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.

Referring to fig. 1-3, a synchronously wound parallel electronic transformer includes a lower magnetic core 1, an upper magnetic core 2 is bolted to the top of the lower magnetic core 1, a coil 3 is fixedly sleeved on the surface of the lower magnetic core 1, the coil 3 is located between the lower magnetic core 1 and the upper magnetic core 2, two pins 4 are bolted to the surface of the lower magnetic core 1, the coil 3 is located between the two pins 4 and is electrically connected to the pins 4, two bobbins 5 are bolted to the surface of the lower magnetic core 1, the coil 3 is located between the two bobbins 5, and the bobbins 5 are located between the two pins 4, when winding through a copper wire, a plurality of groups of coils can be synchronously wound, the purpose of simple process and controllable quality can be achieved by using the most number of coils as the mode of synchronous longest time cutting, so as to improve the production efficiency, and the purpose of good coil consistency can be achieved by using each layer of coils in a parallel stacking mode, the technical index of the device is greatly improved, the wire grooves in the wire cake 3 are parallel to each other and are divided into multiple layers, the purpose of good heat dissipation performance of the device can be achieved, the device is provided with a large heat dissipation area and a heat dissipation channel, and the temperature rise is reduced.

Further, the wire cake 3 is of a sandwich winding type, a primary coil layer, a secondary coil layer, a hierarchical wire layer and a primary coil layer are sequentially stacked to form a symmetrical structure, and leakage inductance is minimum.

Further, when 3 coiling copper lines of cake of wire, the coiling can be carried out in step to the multiunit coil, cuts off as synchronous longest time according to the coil of the number of turns at most, and when 3 coiling copper lines through setting up the cake of wire, multiunit coil can carry out the coiling in step, cuts off as synchronous longest time according to the coil of the number of turns at most, has improved production efficiency.

Further, the wire cake 3 trench is filled with the heat conduction glue all around, and is fixed and sealed, and through setting up the wire cake 3 trench is filled with the heat conduction glue all around, and is fixed and sealed, has improved the radiating rate.

Furthermore, the wire grooves in the wire cake 3 are parallel to each other and are divided into multiple layers, and the wire grooves in the wire cake 3 are parallel to each other and are divided into multiple layers, so that heat is not concentrated, layered heat dissipation is realized, a large heat dissipation area and a heat dissipation channel are provided, and temperature rise is reduced.

Further, the lead wire of 3 high-pressure sides of line cake is placed in the pin of the left side and is fixed, and the low pressure end lead wire is placed in the pin of the right and is fixed to can dispose the use in a flexible way, place in the pin of the left side through the lead wire that sets up 3 high-pressure sides of line cake and fix, the low pressure end lead wire is placed in the pin of the right and is fixed, and can dispose the use in a flexible way, improve the flexibility and the practicality of device.

When the device is used, the wire cakes 3 are in a sandwich winding type, the primary coils are arranged on one layer, the secondary coils are arranged on one layer, the primary coils are sequentially stacked, the leakage inductance is enabled to be the symmetrical structure, the technical index of the wire cakes is greatly improved, the consistency is good, when the copper wires are wound on the wire cakes 3, multiple groups of coils can be wound synchronously, the coils with the most turns are cut off as the longest synchronous time, the production efficiency is improved, heat conducting glue is filled around the groove 3 of the wire cake, the groove is fixed and sealed, the heat dissipation speed is improved, the lead of the high-pressure end of the wire cake 3 is placed on the left pin for fixing, the lead of the low-pressure end is placed on the right pin for fixing, the lead of the low-pressure end can be flexibly configured and used, and the flexibility and the practicability of the device are improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A synchronously wound parallel electronic transformer, comprising a lower magnetic core (1), characterized in that: an upper magnetic core (2) is bolted on the top of the lower magnetic core (1), and the lower magnetic core (1) is The surface of the core (1) is fixedly sleeved with the wire cake (3), and the wire cake (3) is located between the lower magnetic core (1) and the upper magnetic core (2), and the surface of the lower magnetic core (1) is bolted There are two pins (4), the thread cake (3) is located between the two pins (4) and is electrically connected with the pins (4), and the surface of the lower magnetic core (1) is bolted with two skeletons (5), and the thread cake (3) is located between the two skeletons (5), and the skeleton (5) is located between the two stitches (4).

2 . The electronic transformer of a synchronously wound parallel method according to claim 1 , wherein the wire cake ( 3 ) is of a sandwich winding type, with a layer of primary coils, a layer of secondary coils, and a layer of secondary coils. 3 . Wires, one layer of primary coils, are stacked one after the other, making it a symmetrical structure with minimal leakage inductance.

3. A synchronously wound parallel electronic transformer according to claim 1, characterized in that: the wire cake (3) is filled with thermally conductive glue around the grooves, fixed and sealed.

4 . The parallel-type electronic transformer wound synchronously according to claim 1 , wherein the wire grooves in the wire cake ( 3 ) are parallel to each other and are divided into multiple layers. 5 .

5. The electronic transformer of a kind of synchronous winding parallel mode according to claim 1 is characterized in that: the lead wire of the high-voltage end of the wire cake (3) is placed on the left pin and fixed, and the low-voltage end lead is placed on the right pin Fixed, and can be used flexibly.