CN202307470U

CN202307470U - Transformer framework

Info

Publication number: CN202307470U
Application number: CN201120416244XU
Authority: CN
Inventors: 孔浩; 罗斌
Original assignee: Dongguan Chuangci Magnetic Components Co ltd
Current assignee: Platinum (Dongguan) Electronics Co.,Ltd.
Priority date: 2011-10-27
Filing date: 2011-10-27
Publication date: 2012-07-04
Anticipated expiration: 2021-10-27

Abstract

The utility model discloses a transformer framework which is provided with a first main winding framework, a second main winding framework, a connecting cover, an upper iron core and a lower iron core, wherein the first main winding framework and the second main winding framework are respectively assembled at the left end and the right end of the connecting cover; the upper iron core is clamped into the first main winding framework and the second main winding framework from the upper side; and the lower iron core is clamped into the first main winding framework and the second main winding framework from the lower side. The connecting cover is set into an I-shaped cavity, wherein a separation wall is fixedly arranged in the I-shaped cavity. The first main winding framework is provided with a first pin end, a first slot hole and a first inserting end. The second main winding framework is provided with a second pin end, a second slot hole and a second inserting end. An upper substrate, a first upper clamping pin and a second upper clamping pin are arranged on the upper iron core; and a lower substrate, a first lower clamping pin and a second lower clamping pin are arranged on the lower iron core. The creepage distance of the transformer framework meets the requirement of safety conforming; and in addition, the transformer framework has the characteristics of small size, low consumption of copper wires and low cost.

Description

A kind of transformer framework

Technical field

The utility model relates to the transformer technology field, particularly relates to a kind of transformer framework.

Background technology

Transformer is one of indispensable device of modern society's electronic equipment, and along with miniaturization, the functionalization of electronic product, the volume of transformer reduces relatively, causes the security performance of transformer to require also to have produced certain variation thus thereupon.

In transformer technology, require it must meet the safety creepage distance standard, promptly under certain requirement of withstand voltage, have certain creepage distance between coil and iron core, in case the withstand voltage puncture in space.In the prior art, in order to satisfy the needs of creepage distance, transformer framework often is provided with thicklyer, causes the transformer overall volume bigger, and has waste copper cash, the more high defective of cost.

Therefore, not enough to prior art, it is very necessary to provide a kind of creepage distance to meet the transformer framework that safety requires, volume is little, the copper cash consumption is few, with low cost.

Summary of the invention

The purpose of the utility model is to avoid the weak point of prior art and a kind of transformer framework is provided, and the creepage distance of this transformer framework meets the safety requirement, and has the advantages that volume is little, the copper cash consumption is few, with low cost.

The purpose of the utility model realizes through following technical measures.

A kind of transformer framework of the utility model is provided with the first main bobbin, the second main bobbin, connection cover, upper core and lower core;

The said first main bobbin and the said second main bobbin are assemblied in the right ends of said connection cover; Said upper core snaps in the said first main bobbin and the said second main bobbin from upside; Said lower core snaps in the said first main bobbin and the said second main bobbin from downside, and said upper core and said lower core snap in corresponding respectively the connecting of part of the said first main bobbin and the said second main bobbin.

Above-mentioned connection cover is set to worker's die cavity, and said worker's die cavity internal fixation is provided with a next door.

Above-mentioned next door is arranged at said worker's die cavity middle part.

Above-mentioned next door and said worker's die cavity are set to integrated formed structure.

The above-mentioned first main bobbin be provided with first leads ends, first slotted eye and with first insertion end of the left end assembling of said connection cover; Said first slotted eye is arranged between said first leads ends and said first insertion end, and worker's die cavity of said first insertion end and said connection cover is complementary.

The above-mentioned second main bobbin be provided with second leads ends, second slotted eye and with second insertion end of the right-hand member assembling of said connection cover; Said second slotted eye is arranged between said second leads ends and said second insertion end, and worker's die cavity of said second insertion end and said connection cover is complementary.

Above-mentioned upper core is provided with on the upper substrate, first card base on the card base and second; On said first on the card base and said second card base be fixedly set in said substrate two ends; Card base snaps in said first slotted eye from upside on said first, and card base snaps in said second slotted eye from upside on said second.

Above-mentioned lower core is provided with infrabasal plate, first time card base and second time card base; Said first time card base and said second time card base are fixedly set in said substrate two ends; Said first time card base snaps in said first slotted eye from downside; Said second time card base snaps in said second slotted eye from downside, card base butt on said first time card base and said first, card base butt on said second time card base and said second.

On above-mentioned first on the card base, said second card base and said upper substrate be set to integrated formed structure, said first time card base, said second time card base and said infrabasal plate are set to integrated formed structure.

Above-mentioned first slotted eye is set to the rectangle slotted eye; Said second slotted eye is set to the rectangle slotted eye; Card base on the rectangle first that card base is set to be complementary with said first slotted eye on said first; Card base on the rectangle second that card base is set to be complementary with said second slotted eye on said second, said first time card base are set to first time card base of rectangle of being complementary with said first slotted eye, and said second time card base is set to second time card base of rectangle of being complementary with said second slotted eye.

A kind of transformer framework of the utility model is provided with the first main bobbin, the second main bobbin, connection cover, upper core and lower core; The said first main bobbin and the said second main bobbin are assemblied in the right ends of said connection cover; Said upper core snaps in the said first main bobbin and the said second main bobbin from upside; Said lower core snaps in the said first main bobbin and the said second main bobbin from downside, and said upper core and said lower core snap in corresponding respectively the connecting of part of the said first main bobbin and the said second main bobbin.This transformer framework is assembled the first main bobbin, the second main bobbin through the connection cover right ends; And snap in the first main bobbin and the second main bobbin from upside, downside respectively through upper core and lower core; Increase the creepage distance between elementary winding and the secondary winding, make this transformer framework meet the safety requirement, can dwindle small product size; It is few to have the coiling consumption, the characteristics that cost is low.

Description of drawings

Utilize accompanying drawing that the utility model is further described, but the content in the accompanying drawing does not constitute any restriction to the utility model.

Fig. 1 is the structural representation of a kind of transformer framework of the utility model.

Fig. 2 is the explosive view of Fig. 1.

Fig. 3 is the explosive view of Fig. 2.

Fig. 4 is another angle explosive view of Fig. 1.

In Fig. 1 to Fig. 4, comprising:

The first main bobbin 100,

First leads ends 110,

First slotted eye 120,

First insertion end 130,

The second main bobbin 200,

Second leads ends 210,

Second slotted eye 220,

Second insertion end 230,

Connection cover 300,

Worker's die cavity 310,

Next door 320,

Upper core 400,

Upper substrate 410,

Card base 420 on first,

Card base 430 on second,

Lower core 500,

Infrabasal plate 510,

First time card base 520,

Second time card base 530,

Pin 600.

Embodiment

In conjunction with following examples the utility model is further described.

Embodiment 1

A kind of transformer framework like Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, is provided with the main bobbin of the first main bobbin 100, second 200, connection cover 300, upper core 400 and lower core 500.

The first main bobbin 100 and the second main bobbin 200 are assemblied in the right ends of connection cover 300; Upper core 400 snaps in the first main bobbin 100 and the second main bobbin 200 from upside; Lower core 500 snaps in the first main bobbin 100 and the second main bobbin 200 from downside, and upper core 400 and lower core 500 snap in corresponding respectively the connecting of part of the first main bobbin 100 and the second main bobbin 200.

The first main bobbin 100 and the second main bobbin 200 can be as twining elementary winding and secondary winding; Connection cover 300 two ends are with the first main bobbin 100 and second main bobbin 200 assemblings; Can increase the creepage distance between elementary winding and the secondary winding, be convenient to it and meet the safety requirement.

Connection cover 300 is set to worker's die cavity 310; Worker's die cavity 310 internal fixation are provided with a next door 320; Two parts about next door 320 is divided into worker's die cavity 310, left part are used for and first main bobbin 100 assemblings, and right portions is used for and second main bobbin 200 assemblings.Next door 320 is arranged at worker's die cavity 310 middle parts, not only is convenient to assembling and the more excellent performance of finished product transformer.Preferably next door 320 and worker's die cavity 310 are set to integrated formed structure, have characteristics easy to process.

The first main bobbin 100 be provided with first leads ends 110, first slotted eye 120 and with first insertion end 130 of the left end assembling of connection cover 300.First slotted eye 120 is arranged between first leads ends 110 and first insertion end 130, and first insertion end 130 is complementary with worker's die cavity 310 of connection cover 300.

The second main bobbin 200 be provided with second leads ends 210, second slotted eye 220 and with second insertion end 230 of the right-hand member assembling of connection cover 300; Second slotted eye 220 is arranged between second leads ends 210 and second insertion end 230, and second insertion end 230 is complementary with worker's die cavity 310 of connection cover 300.

First leads ends 110, second leads ends 210 are respectively arranged with a plurality of pins 600, and pin 600 can be set to plate following formula or the board-like pin of holes.The board-like pin configuration of plate following formula and holes is a techniques well known, repeats no more at this.

First insertion end 130 is inserted the left end of worker's die cavity 310, and second insertion end 230 is inserted the right-hand member of worker's die cavity 310.First slotted eye 120 and second slotted eye 220 are used to assemble said upper core 400 and lower core 500.

Upper core 400 is provided with on the upper substrate 410, first card base 430 on the card base 420 and second; On first on the card base 420 and second card base 430 be fixedly set in upper substrate 410 two ends; Card base 420 snaps in from upside that card base 430 snaps in second slotted eye 220 from upside on first slotted eye 120, the second on first.

Lower core 500 is provided with infrabasal plate 510, first time card base 520 and second time card base 530; First time card base 520 and second time card base 530 are fixedly set in infrabasal plate 510 two ends; First time card base 520 snaps in first slotted eye 120 from downside; Second time card base 530 snaps in card base 420 butts on 220, the first times card bases 520 of second slotted eye and first from downside, card base 430 butts on second time card base 530 and second.

Concrete; First slotted eye 120 is set to the rectangle slotted eye; Second slotted eye 220 is set to the rectangle slotted eye, card base 430 on the rectangle second that card base 430 is set to be complementary with second slotted eye 220 on the card base 420, the second on the rectangle first that card base 420 is set to be complementary with first slotted eye 120 on first; 520, the second times card bases 530 of first time card base of rectangle that first time card base 520 is set to be complementary with first slotted eye 120 are set to second time card base 530 of rectangle of being complementary with second slotted eye 220.

Its assembly method of this transformer framework is: first main bobbin 100, the second main bobbin 200 is inserted the right ends that is assemblied in worker's die cavity 310 respectively; Then upper core 400 is inserted first slotted eye 120 and second slotted eye 220 from upside, lower core 500 is inserted first slotted eye 120 and second slotted eye 220 from downside.Upper core 400 first on first time relative and mutual butt in card base 520 positions of card base 420 and lower core 500.Upper core 400 second on second time relative and mutual butt in card base 530 positions of card base 430 and lower core 500.

This transformer framework; Assemble first main bobbin 100, the second main bobbin 200 through connection cover 300 right ends; And snap in the first main bobbin 100 and the second main bobbin 200 from upside, downside respectively through upper core 400 and lower core 500; Increase the creepage distance between elementary winding and the secondary winding, made this transformer framework meet the safety requirement.Because elementary winding and secondary winding with the skeleton of same structure, do not need the skeleton of elementary winding of specialized designs and secondary winding, can reduce product height, dwindle small product size.It is few to have the coiling consumption, the characteristics that cost is low.

Need to prove; In the present embodiment, upper-lower position and position, the left and right sides are relative, are reference direction with Fig. 3; And in the actual application; Can be not limited to the orientation in the present embodiment,, the left side of the connection cover in the present embodiment 300 treated as the right side etc. as the upper core of present embodiment 400 is treated as lower core.

Need to prove; Worker's die cavity 310 that connection cover 300 is provided with is not limited only to the I-shaped structure in the present embodiment; Also can be set to rectangle or circular or irregularly shaped; First insertion end 130 of corresponding first main bobbin 100, the second main bobbin 200, second insertion end 230 also correspondence are set to rectangle or circular or irregularly shaped, as long as first insertion end 130, second insertion end 230 are mated with worker's die cavity 310 right ends respectively.Its concrete shape can be provided with according to actual needs flexibly.

Embodiment 2

A kind of transformer framework; Other structure is identical with embodiment 1; Difference is: on first on the card base 420, second card base 430 be set to integrated formed structure with upper substrate 410; First time card base 520, second time card base 530 are set to integrated formed structure with infrabasal plate 510, have easy to process, the simple firm characteristics of assembling.

Should be noted that at last; Above embodiment is only in order to the technical scheme of explanation the utility model but not to the restriction of the utility model protection range; Although the utility model has been done detailed description with reference to preferred embodiment; Those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technical scheme of the utility model, and do not break away from the essence and the scope of the utility model technical scheme.

Claims

1. a transformer framework is characterized in that: be provided with the first main bobbin, the second main bobbin, connection cover, upper core and lower core;

2. transformer framework according to claim 1 is characterized in that: said connection cover is set to worker's die cavity, and said worker's die cavity internal fixation is provided with a next door.

3. transformer framework according to claim 2 is characterized in that: said next door is arranged at said worker's die cavity middle part.

4. transformer framework according to claim 3 is characterized in that: said next door and said worker's die cavity are set to integrated formed structure.

5. according to claim 2 or 3 or 4 any described transformer frameworks; It is characterized in that: the said first main bobbin be provided with first leads ends, first slotted eye and with first insertion end of the left end assembling of said connection cover; Said first slotted eye is arranged between said first leads ends and said first insertion end, and worker's die cavity of said first insertion end and said connection cover is complementary.

6. transformer framework according to claim 5; It is characterized in that: the said second main bobbin be provided with second leads ends, second slotted eye and with second insertion end of the right-hand member assembling of said connection cover; Said second slotted eye is arranged between said second leads ends and said second insertion end, and worker's die cavity of said second insertion end and said connection cover is complementary.

7. transformer framework according to claim 6; It is characterized in that: said upper core is provided with on the upper substrate, first card base on the card base and second; On said first on the card base and said second card base be fixedly set in said substrate two ends; Card base snaps in said first slotted eye from upside on said first, and card base snaps in said second slotted eye from upside on said second.

8. transformer framework according to claim 7; It is characterized in that: said lower core is provided with infrabasal plate, first time card base and second time card base; Said first time card base and said second time card base are fixedly set in said substrate two ends, and said first time card base snaps in said first slotted eye from downside, and said second time card base snaps in said second slotted eye from downside; Card base butt on said first time card base and said first, card base butt on said second time card base and said second.

9. transformer framework according to claim 8; It is characterized in that: on said first on the card base, said second card base and said upper substrate be set to integrated formed structure, said first time card base, said second time card base and said infrabasal plate are set to integrated formed structure.

10. transformer framework according to claim 9; It is characterized in that: said first slotted eye is set to the rectangle slotted eye; Said second slotted eye is set to the rectangle slotted eye; Card base on the rectangle first that card base is set to be complementary with said first slotted eye on said first; Card base on the rectangle second that card base is set to be complementary with said second slotted eye on said second, said first time card base are set to first time card base of rectangle of being complementary with said first slotted eye, and said second time card base is set to second time card base of rectangle of being complementary with said second slotted eye.