CN201820623U

CN201820623U - Transformer structure

Info

Publication number: CN201820623U
Application number: CN2010205562290U
Authority: CN
Inventors: 张君毅; 陈其铭; 黄宜男
Original assignee: Yao Sheng Electronic Co Ltd
Current assignee: Yao Sheng Electronic Co Ltd
Priority date: 2010-09-30
Filing date: 2010-09-30
Publication date: 2011-05-04
Anticipated expiration: 2020-09-30

Abstract

The utility model provides a transformer structure, comprising: a transformer body, The transformer body is provided with a coiling rack, the coiling rack is provided with a hollow part, coils are winded on the coiling rack, the transformer body is provided with a first iron core, the first iron core is sleeved at one side of the coiling rack, the transformer body is provided with a second iron core, the second iron core is sleeved at the other side of the coiling rack, the transformer structure also comprises an outer cover, an accommodating space is disposed in the outer cover, the transformer body is disposed in the accommodating space of the outer cover, the outer cover is made from insulation materials; when the transformer structure is connected with an external circuit board, via an opening disposed on the outer cover of the transformer body, and the outer cover of insulation materials, purposes of improvement of heat radiation effect, enlarging of edge surface distance, and quick assembly are reached.

Description

Transformer device structure

Technical field

The utility model relates to a kind of transformer device structure, particularly a kind ofly increases creepage distance, and is easy to assembling and can promotes radiating effect, and then can reduce the failure rate and the assembly cost of transformer.

Background technology

General transformer device structure sees also Fig. 1, shown in Figure 2, and it comprises: a drum stand 10, and this drum stand 10 is provided with hollow bulb 11, and this drum stand 10 is provided with winding section 12, is arranged with coil 13 on this winding section 12, is arranged with insulating tape 14 on this coil 13; One first iron core 15, this first iron core 15 is mutually sheathed with hollow bulb 11 1 sides of drum stand 10; One second iron core 16, this second iron core 16 is mutually sheathed with hollow bulb 11 opposite sides of drum stand 10; Rely on the coil 13 of this transformer to be arranged with insulating tape 14, and can increase creepage distance, and then can have the effect that meets the safety requirement concurrently.

This existing transformer though can reach the purpose that increases creepage distance, because of being arranged with insulating tape 14 on the coil 13, causes its thermal diffusivity not good, and increases the time and the manpower consumption of assembling, and then causes the failure rate of transformer and assembly cost to improve.

Hereat, how disappearance such as above-mentioned is forgone, be the place of the technical difficulties that the utility model designer institute desire solves.

Summary of the invention

Because existing transformer device structure, enclose insulating tape on the coil and cause thermal diffusivity not good because of having, and increase the time and the manpower consumption of assembling, and then cause problems such as the failure rate of transformer and assembly cost raising, so the purpose of this utility model is to provide a kind of transformer device structure, when the utility model is connected with the circuit external plate, rely on the transformer body to be provided with outer cover, and this outer cover is the insulation material, and can increase creepage distance, and then can have the effect that meets the safety requirement concurrently.

For reaching the above object, the utility model provides a kind of transformer device structure, and it comprises:

One transformer body, this transformer body is provided with drum stand, this drum stand is provided with hollow bulb, this drum stand is provided with the winding section, is arranged with coil on this winding section, and this drum stand is provided with several primary side lead terminals, this transformer body is provided with first iron core, this first iron core is mutually sheathed with hollow bulb one side of drum stand, and this transformer body is provided with second iron core, and this second iron core is mutually sheathed with the hollow bulb opposite side of this drum stand;

One outer cover, should outer be covered with accommodation space, this transformer body is located in the accommodation space of outer cover, and this outer cover is the insulation material, this outer exterior wall body that is covered with, should be provided with shrinkage pool by outer body of wall, should outer body of wall one side be provided with several secondary side lead terminals again, and be covered with opening outside this, this outer cover one side is provided with extension, this extension is provided with several open-works, and this open-work wears mutually with the primary side lead terminal of drum stand;

When the utility model is connected with the circuit external plate, rely on the transformer body to be provided with outer cover, and this outer cover is the insulation material, and can increases creepage distance, and then can have concurrently and meet the effect that safety requires.

Description of drawings

Fig. 1 is existing decomposing schematic representation;

Fig. 2 is existing combination schematic diagram;

Fig. 3 is a decomposing schematic representation of the present utility model;

Fig. 4 is a combination schematic diagram of the present utility model;

Fig. 4 A is the schematic diagram of another angle of Fig. 4;

The schematic diagram that Fig. 5 is connected with the circuit external plate for the utility model;

Fig. 6 can increase the cross-sectional schematic of creepage distance for the utility model.

Description of reference numerals: 10-drum stand; The 11-hollow bulb; The 12-winding section; The 13-coil; The 14-insulating tape; 15-first iron core; 16-second iron core; 3-transformer body; The 31-drum stand; The 311-hollow bulb; The 312-winding section; The 313-coil; 314-primary side lead terminal; 32-first iron core; 33-second iron core; The 4-outer cover; The 41-accommodation space; The 42-opening; The 43-extension; The 431-open-work; The 44-path; The outer body of wall of 45-; The 451-shrinkage pool; 452-secondary side lead terminal.

Embodiment

For the effect that makes convenient simple and direct understanding other features of the present utility model of your auditor and advantage and reached can more manifest, with the utility model conjunction with figs., be described in detail as follows now:

See also Fig. 3, shown in Figure 4, the utility model provides a kind of transformer device structure, and it comprises:

One transformer body 3, this transformer body 3 is provided with drum stand 31, this drum stand 31 is provided with hollow bulb 311, this drum stand 31 is provided with winding section 312, be arranged with coil 313 on this winding section 312, this drum stand 31 is provided with several primary side lead terminals 314, this transformer body 3 is provided with first iron core 32, this first iron core 32 is mutually sheathed with hollow bulb 311 1 sides of drum stand 31, this transformer body 3 is provided with second iron core 33, and this second iron core 33 is mutually sheathed with hollow bulb 311 opposite sides of this drum stand 31;

One outer cover 4, this outer cover 4 is provided with accommodation space 41, this transformer body 3 is located in the accommodation space 41 of outer cover 4, this outer cover 4 is the insulation material, this outer cover 4 is provided with outer body of wall 45, please cooperate and consult shown in Fig. 4 A, should be provided with at least one shrinkage pool 451 by outer body of wall 45, this shrinkage pool 451 can stretch out for the lead-in wire of coil 313, should outer body of wall 45 1 sides be provided with several secondary side lead terminals 452 again, this secondary side lead terminal 452 can connect for the lead-in wire of coil 313, this outer cover 4 is provided with opening 42, and this opening 42 connects with accommodation space 41, and these outer cover 4 one sides are provided with extension 43, this extension 43 is provided with several open-works 431, and this open-work 431 wears mutually with the primary side lead terminal 314 of drum stand 31;

See also shown in Figure 5, when the utility model is connected with circuit external plate 5, rely on transformer body 3 to be located in the accommodation space 41 of outer cover 4, and this outer cover 4 is the insulation material, and can increase both creepage distances of electronic component 6 on this transformer body 3 and the circuit board 5, and then can have concurrently and meet the effect that safety requires, please cooperating again and consult shown in Figure 6ly, the path that height and thickness constituted 44 of the outer body of wall 45 of this outer cover 4 is newly-increased creepage distance; Rely on outer cover 4 of the present utility model to be provided with opening 42 and open-work 431 again; well be easy to effect and can make the utility model except that protection transformer body 3, have heat radiation simultaneously concurrently, and then make the utility model can reach the purpose that reduces transformer fault rate and assembly cost with assembling.

For making the utility model more show its progressive and practicality, hereby as follows with one comparative analysis of existing do:

Prior art:

1, coil periphery is established insulating tape, and thermal diffusivity is not good.

2, the fault rate of transformer and assembly cost improve.

The utility model advantage:

1, transformer body is located in the outer cover of insulation material, and thermal diffusivity is good.

2, the failure rate of transformer and assembly cost reduce.

Claims

1. a transformer device structure is characterized in that, comprises:

One outer cover, this outer accommodation space that is covered with, this outer cover is the insulation material;

One transformer body, this transformer body is located in the accommodation space of outer cover, this transformer body is provided with drum stand, this drum stand is provided with hollow bulb, be arranged with coil on this drum stand, this transformer body is provided with first iron core, and this first iron core is mutually sheathed with hollow bulb one side of drum stand, this transformer body is provided with second iron core, and this second iron core is mutually sheathed with the hollow bulb opposite side of this drum stand.

2. transformer device structure as claimed in claim 1 is characterized in that this drum stand is provided with the winding section.

3. transformer device structure as claimed in claim 1 is characterized in that this drum stand is provided with the primary side lead terminal.

4. transformer device structure as claimed in claim 1 is characterized in that, this outer opening that is covered with.

5. transformer device structure as claimed in claim 1 is characterized in that, this outer cover one side is provided with open-work.

6. transformer device structure as claimed in claim 1 is characterized in that, this outer exterior wall body that is covered with.

7. transformer device structure as claimed in claim 6 is characterized in that, this outer body of wall is provided with shrinkage pool.

8. transformer device structure as claimed in claim 6 is characterized in that, this outer body of wall one side is provided with the secondary side lead terminal.