CN203415382U

CN203415382U - Transformer framework and transformer

Info

Publication number: CN203415382U
Application number: CN201320508017.9U
Authority: CN
Inventors: 严卫平; 吴云波; 范传玺
Original assignee: Bangbu Zhuhai Branch Co Of Song Xin Electronic Science And Technology Co Ltd
Current assignee: Bengbu Sunshine Electronic Technology Co ltd
Priority date: 2013-08-19
Filing date: 2013-08-19
Publication date: 2014-01-29
Anticipated expiration: 2023-08-19

Abstract

The utility model is applicable to the field of electronic equipment, and provides a transformer framework and a transformer. The transformer framework comprises a primary terminal, a secondary terminal and a winding part arranged between the primary terminal and the secondary terminal. The primary terminal comprises a primary terminal base and a primary connecting plate arranged on the primary terminal base. The secondary terminal comprises a secondary terminal base and a secondary connecting plate arranged on the secondary terminal base. Plug pins are arranged at the bottom of the primary terminal base and the bottom of the secondary terminal base respectively. The winding part is a barrel provided with a through inner cavity, wherein the length of the barrel in the axis direction ranges from 11.0mm to 12.0mm. According to the transformer framework, compared with the form that two transformers are connected in series, the transformer framework not only can make the performance of the transformer meet using requirements, but also can reduce the spatial area occupied by the transformer after the winding part is prolonged to a proper length; meanwhile, manufacturing cost also can be lowered, and the cost performance of the transformer framework is higher.

Description

A kind of transformer framework and transformer

Technical field

The utility model belongs to field transformer, relates in particular to a kind of transformer framework and transformer.

Background technology

At present, for existing transformer, unreasonable due to the structure of transformer framework and size design, its coiling area is not enough, when being applicable to the LED power supply of relatively high power, usually need two transformer series connection, but can cause like this transformer to occupy the problem that volume is excessive, manufacturing cost increases, its cost performance is not high.

Utility model content

The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, and a kind of coiling area enough large, transformer framework and transformer that cost performance is high are provided, and while being applied in great power LED power supply without transformer is connected.

The utility model is achieved in that a kind of transformer framework, comprise primary side, secondary end and be located at the winding section between described primary side and secondary end, described primary side comprises primary side base, is located at the elementary connecting plate on described primary side base, described secondary end comprises secondary end base, is located at the secondary connecting plate on described secondary end base, the bottom of described primary side base and secondary end base is provided with pin, described winding section is to have the cylindrical shell that runs through inner chamber, and described cylindrical shell is 11.0～12.0mm along the length of axis direction.

Particularly, described cylindrical shell length is in axial direction 11.5mm.

More specifically, the intracavity section of described cylindrical shell is kidney-shaped.

More specifically, the upper end of described elementary connecting plate and secondary connecting plate is respectively arranged with primary side positioning body, secondary end positioning body.

Particularly, described primary side positioning body and secondary end positioning body are strip shape body structure.

More specifically, the top of described elementary connecting plate and secondary connecting plate has fillet or chamfering.

Particularly, on described primary side positioning body, be provided with for preventing the unfilled corner of transformer reversal connection.

, comprise the above-mentioned transformer framework of stating.

The transformer framework that the utility model provides and transformer, it is by increasing the length of the winding section of transformer framework, make its coiling area enough large, thereby when being applied to great power LED power supply, without by two transformer series connection, only need can meet the demands with a transformer, it not only can reduce the volume that transformer occupies in LED power supply, also can reduce manufacturing cost, its cost performance is higher.

Accompanying drawing explanation

Fig. 1 is the stereogram of the embodiment of the transformer framework that provides of the utility model;

Fig. 2 is another stereogram of the embodiment of the transformer framework that provides of the utility model;

Fig. 3 is the front view of the embodiment of the transformer framework that provides of the utility model.

Embodiment

In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.

As Figure 1-3, a kind of transformer framework providing for the utility model embodiment, comprise primary side 1, secondary end 2 and be located at primary side and secondary end between winding section 3, primary side 1, secondary end 2 arranges and is connected to the two ends of winding section 3 in opposite directions, primary side 1, secondary end 2 and winding section 3 can be one-body molded, primary side 1 comprises primary side base 11, be located at the elementary connecting plate 12 on primary side base 11, secondary end 2 comprises secondary end base 21, be located at the secondary connecting plate 22 on secondary end base 21, the bottom of primary side base 11 and secondary end base 21 is respectively arranged with

111, 211, winding section 3 is for having the cylindrical shell that runs through inner chamber, described cylindrical shell length is in axial direction 11.0～12.0mm, thereby this length can make transformer framework winding section, long enough reaches enough coiling areas, and the transformer producing can meet the demands without serial connection, the winding section length that also can avoid transformer framework is long and easy situation from middle part fracture occurs.The transformer framework that the utility model provides, it is by extending to applicable length by the winding section of transformer framework, thereby make it can be adapted to the requirement of great power LED power supply, with in prior art, need the great power LED power supply that is connected in series two transformers and compare, this kind of transformer occupied space in LED power supply is less, manufacturing cost is lower, and cost performance is higher.

Particularly, cylindrical shell length is in axial direction 11.5mm, and the length of winding section 3 is 11.5mm, now, can make transformer when meeting performance requirement, and volume is relatively little.

Further, the intracavity section of described cylindrical shell is kidney-shaped, and cylindrical shell has kidney-shaped and runs through inner chamber, and certainly, the inner chamber of cylindrical shell also can be other shapes such as square or circular.

Further, for making transformer, in LED power supply, can locate better, in the upper end of elementary connecting plate 12 and secondary connecting plate 22, be respectively arranged with primary side positioning body 13, secondary end positioning body 23, particularly, primary side positioning body 13 is for being convexly set in the strip shape body of the side of elementary connecting plate 12 upper ends, similarly, secondary end positioning body 23 is for being convexly set in the strip shape body of side of the upper end of secondary connecting plate 22.If transformer is only welded and fixed with stitch 111,211, be prone to and rock unsteady situation, and primary side positioning body 13 and secondary end positioning body 23 can be jointly play location to the top of transformer and support effect, thereby it is loosening that it is difficult for.

The top of elementary connecting plate 12 and secondary connecting plate 22 has fillet or chamfering, and compared to right angle, it can reduce the area that takes up room, and can avoid causing interference in the process of rocking.

Further, as shown in Figure 1, the circuit when preventing on transformer line attachment plate and on wiring board connects instead, has been provided with the unfilled corner 131 of mark effect on primary side positioning body 13, unfilled corner 131 can point out with wiring board on correspondence position welding, thereby can prevent that transformer from connecing instead.

The utility model also provides a kind of transformer, comprises above-mentioned transformer framework.Due to the winding section long enough of transformer framework, thereby can increase coiling effective area, thereby make this transformer can be adapted to great power LED power supply, compared to existing technology, use the mode of two transformer series connection, it is less that it occupies volume, and cost is lower, and cost performance is higher.

These are only preferred embodiment of the present utility model, not in order to limit the utility model, all any modifications of doing within spirit of the present utility model and principle, be equal to and replace or improvement etc., within all should being included in protection range of the present utility model.

Claims

1. a transformer framework, comprise primary side, secondary end and be located at the winding section between described primary side and secondary end, described primary side comprises primary side base, is located at the elementary connecting plate on described primary side base, described secondary end comprises secondary end base, is located at the secondary connecting plate on described secondary end base, the bottom of described primary side base and secondary end base is provided with pin, it is characterized in that: described winding section is to have the cylindrical shell that runs through inner chamber, described cylindrical shell is 11.0～12.0mm along the length of axis direction.

2. transformer framework as claimed in claim 1, is characterized in that: described cylindrical shell length is in axial direction 11.5mm.

3. transformer framework as claimed in claim 1, is characterized in that: the intracavity section of described cylindrical shell is kidney-shaped.

4. transformer framework as claimed in claim 1, is characterized in that: the upper end of described elementary connecting plate and secondary connecting plate is respectively arranged with primary side positioning body, secondary end positioning body.

5. transformer framework as claimed in claim 4, is characterized in that: described primary side positioning body and secondary end positioning body are strip shape body structure.

6. transformer framework as claimed in claim 1, is characterized in that: the top of described elementary connecting plate and secondary connecting plate has fillet or chamfering.

7. transformer framework as claimed in claim 4, is characterized in that: on described primary side positioning body, be provided with for preventing the unfilled corner of transformer reversal connection.

8. a transformer, is characterized in that: comprise the transformer framework described in the claims 1-7 any one.