CN210535481U

CN210535481U - Transformer with combined wire harness

Info

Publication number: CN210535481U
Application number: CN201921900917.1U
Authority: CN
Inventors: 王节玉; 陈绪卫; 孙品亮
Original assignee: Qingdao Yunlu Energy Technology Co Ltd
Current assignee: Qingdao Yunlu Energy Technology Co Ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-05-15
Anticipated expiration: 2029-11-06

Abstract

The utility model relates to a transformer of area combination pencil, include: the transformer comprises a transformer coil framework, an iron core, a primary winding and a secondary winding, wherein the iron core is arranged on the transformer coil framework, and the primary winding and the secondary winding are wound on the transformer coil framework; the primary winding is connected with the primary wire harness, and the secondary winding is connected with the secondary wire harness; the primary wire harnesses and/or the secondary wire harnesses arranged on the same side of the iron core are arranged in parallel in the same direction or in opposite staggered arrangement, and are fixed through the ironing sheet to form a combined wire harness. The wiring harnesses of the transformer are distributed on the same layer, and are fixed through the ironing sheet, so that the fixing work of a plurality of wiring harnesses of the transformer can be realized simultaneously, repeated fixing is avoided, and the manufacturing cost is reduced; and for the condition of opposite staggered arrangement, the primary welding points and the secondary welding points are adjusted to two sides of the framework, and after welding, the primary welding points or/and the secondary welding points are/is turned over to the inner side of the transformer coil framework, so that the insulation distance of two groups of wire harnesses is increased, and the insulation performance is improved.

Description

Transformer with combined wire harness

Technical Field

The utility model belongs to the technical field of the transformer, especially, relate to a transformer of area combination pencil.

Background

The transformer generally comprises a plurality of windings, each winding is connected with an electronic wire harness in series and led out finally, in order to avoid wiring disorder, the traditional wiring mode is that the electronic wire harnesses with different colors are arranged according to a set sequence and then an ironing sheet is added for fixation, and then an adhesive tape is manually pasted and fixed to one end of the transformer for connection. And every time a winding is connected, the adhesive tape needs to be fixed, especially, the insulation treatment needs to be carried out between the primary winding and the secondary winding, the operation is complex, the efficiency is low, a large amount of insulation materials are wasted, the length of a product is increased, and the miniaturization of the product is not facilitated.

For example, fig. 1 is a prior art transformer harness structure, and fig. 2 is a partially enlarged view of the transformer harness connection. As can be seen from the figure, the iron core 2 is mounted on the transformer bobbin 1, the primary winding 3 and the secondary winding 4 are wound on the transformer bobbin 1, the primary winding 3 is connected with the primary wiring harness 5, and the secondary winding 4 is connected with the secondary wiring harness 6. The primary wire harness 5 is connected through the ironing sheet 7, the secondary wire harness 6 is connected through the ironing sheet 7, namely the primary wire harness 5 and the secondary wire harness 6 are respectively connected through the ironing sheet 7 on different layers and need to be fixed twice, the primary welding point 51 and the secondary welding point 61 are located on the inner side of the transformer coil framework 1 and close to each other, and an insulating layer needs to be added between the two to strengthen insulation. In view of the above, it is an urgent problem in the art to overcome the defects of the transformer in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the not enough of above-mentioned current transformer existence, provide a transformer of area combination pencil, be connected with transformer winding through design combination pencil, improved efficiency, practiced thrift the cost, improved the fail safe nature of transformer.

In order to achieve the above object, the utility model provides a transformer of area combination pencil includes: the transformer comprises a transformer coil framework, an iron core, a primary winding and a secondary winding, wherein the iron core is arranged on the transformer coil framework, and the primary winding and the secondary winding are wound on the transformer coil framework; the primary winding is connected with the primary wiring harness, and the secondary winding is connected with the secondary wiring harness; the primary wire harnesses and/or the secondary wire harnesses arranged on the same side of the iron core are arranged in parallel in the same direction or in a staggered manner in opposite directions and are fixed through an ironing sheet to form a combined wire harness.

Preferably, when the primary wiring harness and/or the secondary wiring harness are arranged in a staggered manner in opposite directions, the ironing sheet is placed in the middle or at a position deviated from the middle of the primary wiring harness and/or the secondary wiring harness in the staggered manner.

Preferably, when the primary wire harnesses and/or the secondary wire harnesses are arranged in an opposite staggered manner, the primary welding points of the primary wire harnesses connected with the primary winding and the secondary welding points of the secondary wire harnesses connected with the secondary winding are respectively arranged at two outer ends of the transformer coil framework in the vertical direction; after welding, the primary welding point and the secondary welding point are turned over to the inner side of the transformer coil framework.

Preferably, the primary winding, the secondary winding and the combined wire harness are all externally provided with insulating layers.

Preferably, the ironing sheet is made of a PVC material.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect:

the utility model provides a transformer with combined wire harnesses, which is different from the connection of the transformer wire harnesses in the prior art, the primary wire harnesses connected with the primary winding of the transformer and the secondary wire harnesses connected with the secondary winding are oppositely and alternately arranged and fixed together through the ironing sheets to form the combined wire harnesses; or the multiple groups of primary wire harnesses or secondary wire harnesses are arranged in parallel in the same direction and fixed together through the ironing sheet to form a combined wire harness. Compare with the transformer of the fixed pencil of current multilayer, the utility model discloses can once only fix the multiunit pencil, each pencil is arranged on same one deck, avoids repetitious repetition fixed, saves artifical and consuming time, reduces manufacturing cost. And simultaneously, the utility model discloses the primary welding point of being connected primary pencil and primary winding and the secondary welding point of secondary pencil and secondary winding being connected are adjusted to both sides by prior art's transformer coil skeleton intermediate position, and the welding back, primary welding point and secondary welding point turn over to transformer coil skeleton inboard, have increased the insulating distance of two sets of pencil, have improved insulating properties.

Drawings

FIG. 1 is a schematic diagram of a transformer in the prior art;

FIG. 2 is an enlarged view of a portion of a prior art transformer;

wherein: 1-transformer coil framework, 2-iron core, 3-primary winding, 4-secondary winding, 5-primary wiring harness, 51-primary welding point, 6-secondary wiring harness, 61-secondary welding point and 7-hot-stamping sheet;

fig. 3 is a schematic structural diagram of the transformer with the combined wire harness according to the present invention;

fig. 4 is a partially enlarged view of the transformer with the assembled wire harness of the above embodiment;

FIG. 5 is a block diagram of a combined wiring harness of another embodiment;

wherein: 1-transformer coil framework, 2-iron core, 3-primary winding, 4-secondary winding, 5-primary wiring harness, 51-primary welding point, 6-secondary wiring harness, 61-secondary welding point, 7-ironing sheet, 8-combined wiring harness and 9-insulating layer.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are partial 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 efforts shall belong to the protection scope of the present invention.

The terms "comprises" and "comprising," and any variations thereof, in the description and claims of this invention and the above-described drawings are intended to cover non-exclusive inclusions. For example, a process, method, or system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus. Furthermore, the terms "first," "second," and "third," etc. are used to distinguish between different objects and are not used to describe a particular order.

To the problem that exists in the aspect such as transformer pencil fixed connection is complicated among the prior art, the embodiment of the utility model provides a transformer of area combination pencil, it is shown with reference to fig. 3, fig. 4, this transformer includes: the transformer coil comprises a transformer coil framework 1, an iron core 2, a primary winding 3 and a secondary winding 4, wherein the iron core 2 is arranged on the transformer coil framework 1, and the primary winding 3 and the secondary winding 4 are wound on the transformer coil framework 1; the primary winding 3 is connected to a primary wire harness 5, and the secondary winding 4 is connected to a secondary wire harness 6. The primary wire harnesses 5 and/or the secondary wire harnesses 6 arranged on the same side of the iron core 2 are arranged in parallel in the same direction or in a staggered manner in opposite directions and are fixed through the ironing sheet 7 to form a combined wire harness. Wherein, the primary winding 3, the secondary winding 4 and the combined wire harness 8 are all externally provided with insulating layers 9. Preferably, the iron sheet 7 is made of a material such as PVC, which is easily welded.

It should be noted that the wire harness fixed by the same ironing sheet adopted in the utility model can be a group of wire harness as a primary wire harness and another group of wire harness as a secondary wire harness; or may be both primary and secondary harnesses. As shown in fig. 3 and 4, in the present embodiment, the primary wire harnesses 5 and the secondary wire harnesses 6, which are placed in two opposite directions on the same side of the iron core 2, are arranged in an opposite staggered manner, and are fixed by one iron sheet 7 to form a combined wire harness 8, and fig. 3 and 4 show a combined wire harness structure in which the primary wire harnesses 5 and the secondary wire harnesses 6 are arranged in an opposite staggered manner. As for the combined wire harness structure in which the plurality of groups of primary wire harnesses or the plurality of groups of secondary wire harnesses are arranged in parallel in the same direction, which is similar to the combined wire harness structure in which the primary wire harnesses and the secondary wire harnesses are arranged in opposite staggered directions, as shown in fig. 5, the plurality of groups of primary wire harnesses 5 or the plurality of groups of secondary wire harnesses 6 arranged on the same side of the iron core 2 are arranged in parallel in the same direction, and are fixed by an ironing sheet 7, so that a combined.

As shown in fig. 2, in order to increase the insulation between the primary winding and the secondary winding, as shown in fig. 4, when the primary wiring harness 5 and the secondary wiring harness 6 are arranged in an opposite staggered manner, the iron sheet 7 may be placed at a middle position of the primary wiring harness 5 and the secondary wiring harness 6 in the staggered manner; at this time, a primary welding point 51 for connecting the primary wiring harness 5 with the primary winding 3 and a secondary welding point 61 for connecting the secondary wiring harness 6 with the secondary winding 4 are respectively arranged at two outer ends of the transformer coil framework 1 along the vertical direction and are connected with the windings at two sides of the transformer coil framework 1, so that the combined wiring harness cannot move left and right, and the tensile strength of the combined wiring harness is enhanced more effectively; after welding, the primary welding point 51 and the secondary welding point 61 are folded to the inner side 1 of the transformer coil framework, so that the insulation distance of the primary wire harness and the secondary wire harness is increased, and the safety and reliability of the transformer are improved. The specific arrangement position of the ironing sheet 7 in the actual design can also be shifted according to the actual situation, and is not limited to the middle position of the combined wiring harness.

The combined wire harness is adopted in the embodiment, the primary wire harness and the secondary wire harness in the prior art are fixed on different layers through the ironing sheets respectively, the primary wire harness and/or the secondary wire harness can be fixed by the ironing sheets, the wiring work of multiple windings of the transformer can be realized simultaneously, multiple groups of wire harnesses are fixed at one time, repeated fixation is avoided, and labor and time are saved. Meanwhile, in the embodiment, the original two layers of fixed wire harnesses are designed into a single-layer combined wire harness, so that the waste of insulating paper is reduced, the material cost is reduced, and the manufacturing cost is reduced; the design of the combined wire harness also reduces the length of the product, and provides favorable support for the whole machine space design of a customer.

Claims

1. A transformer with a combined wire harness, comprising: the transformer comprises a transformer coil framework, an iron core, a primary winding and a secondary winding, wherein the iron core is arranged on the transformer coil framework, and the primary winding and the secondary winding are wound on the transformer coil framework; the primary winding is connected with the primary wiring harness, and the secondary winding is connected with the secondary wiring harness; the combined wire harness is characterized in that the primary wire harnesses and/or the secondary wire harnesses arranged on the same side of the iron core are arranged in parallel in the same direction or in a staggered manner in opposite directions and are fixed through the ironing sheet to form the combined wire harness.

2. The transformer with a combined harness as claimed in claim 1, wherein the iron sheet is placed at a middle or an off-middle position of the primary harness and/or the secondary harness when the primary harness and/or the secondary harness are oppositely staggered.

3. The transformer according to claim 1 or 2, wherein when the primary wire harness and/or the secondary wire harness are arranged in a staggered manner in the opposite direction, the primary welding point of the primary wire harness connected to the primary winding and the secondary welding point of the secondary wire harness connected to the secondary winding are respectively disposed at two outer ends of the transformer bobbin in the vertical direction; after welding, the primary welding point and the secondary welding point are turned over to the inner side of the transformer coil framework.

4. The transformer of claim 1 or 2, wherein the primary winding, the secondary winding, and the combined wire harness are provided with an insulating layer.

5. The transformer with the assembled wire harness as claimed in claim 1 or 2, wherein the iron sheet is made of PVC material.