CN204360901U - Miniature transformer - Google Patents
Miniature transformer Download PDFInfo
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- CN204360901U CN204360901U CN201520017772.6U CN201520017772U CN204360901U CN 204360901 U CN204360901 U CN 204360901U CN 201520017772 U CN201520017772 U CN 201520017772U CN 204360901 U CN204360901 U CN 204360901U
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Abstract
The utility model discloses a kind of miniature transformer, comprises skeleton, magnetic core, coil and pin; This magnetic core covers at skeleton and encloses formation two coiling chambers with skeleton; This pin comprises primary pins and secondary pins, and the primary and secondary winding technique of this coil is outside skeleton, and this armature winding is connected on primary pins, and this secondary winding is connected on secondary pins; And spacer is provided with between described coil and pin, space between this spacer retarder and pin, slider is made with spacer, not only ensure primary and secondary safe distance, reduce withstand voltage bad generation, decrease circuit board affects transformer normal work by the concussion that strong magnetic disturbance produces, prevent the situation bringing electronic product operation irregularity by electromagnetic interference, and substantially reduce transformer whole size, transformer is made more mini, meet the development trend of miniaturization of electronic products.
Description
Technical field
The utility model relates to field transformer technology, refers in particular to a kind of miniature transformer.
Background technology
In transformer, in order to prevent primary and secondary pin to insulate not conducting, defining in the national security specification of product between primary and secondary and must keep certain safe distance.As shown in Figure 1, in small electrical depressor, the safe distance L1 between primary and secondary coil and pin must not be less than 6mm, otherwise may occur electromagnetic interference, affects properties of product, seriously also may occur electric leakage, short circuit, the danger such as on fire.
Utility model content
In view of this, the utility model is for the disappearance of prior art existence, and its main purpose is to provide a kind of miniature transformer, and it not only ensures primary and secondary safe distance, and overall dimensions diminishes, thus overcomes the deficiencies in the prior art.
For achieving the above object, the utility model adopts following technical scheme:
A kind of miniature transformer, comprises skeleton, magnetic core, coil and pin; This magnetic core covers at skeleton and encloses formation two coiling chambers with skeleton; This pin comprises primary pins and secondary pins, and this coil comprises armature winding and secondary winding, and primary and secondary winding technique is outside skeleton, and this armature winding is connected on primary pins, and this secondary winding is connected on secondary pins; It is characterized in that: between described coil and pin, be provided with spacer, the space between this spacer retarder and pin.
As a kind of preferred version, described skeleton comprises base plate, top board and wrapping post, and this wrapping post is integrally connected between this base plate and top board, and described spacer is fixed on this base plate.
As a kind of preferred version, the base plate of described skeleton offers an elongated slot, and this elongated slot is between coil and just/secondary pins; Described spacer comprises erect-type dividing plate and horizontal dividing plate, this erect-type dividing plate and horizontal dividing plate form " L " shape, wherein, erect-type dividing plate is upward through elongated slot by bottom and is suspended between coil and pin, and this horizontal dividing plate is affixed on the bottom of the base plate of skeleton.
As a kind of preferred version, described spacer is separated between coil and secondary pins.
As a kind of preferred version, described spacer is PP insulation sheet material, PE insulate sheet material or mylar film material.
As a kind of preferred version, described primary pins has 5, and secondary pins has 2, and this first/secondary pins is distributed in the both sides of base plate of support, each pin and base plate of support one produced by insert molding, and the base plate on side, each pin side offers wire casing; Described just/wire rod of secondary winding is corresponding respectively to connect with respective pins through this wire casing.
As a kind of preferred version, described magnetic core comprises magnetic core and lower magnetic core, on this, magnetic core covers at skeleton top from top to bottom, and this lower magnetic core covers at skeleton bottom from the bottom to top, and being connected by the end face of upper and lower magnetic core forms described two coiling chambers to enclose with skeleton; Described coil winding in skeleton outward all through these two coiling chambers.
As a kind of preferred version, the middle part up/down perforation formula of described skeleton is provided with through hole; Described upper and lower magnetic core includes a horizontal part, both sides and a central portion, and this horizontal part, both sides and central portion integral type are connected for " mountain " font, and the central portion of this upper and lower magnetic core all inserts in the through hole of skeleton.
The utility model compared with prior art has obvious advantage and beneficial effect, specifically, as shown from the above technical solution, it mainly increases spacer between coil and pin, slider is made with spacer, not only ensure primary and secondary safe distance, reduce withstand voltage bad generation, decrease circuit board affects transformer normal work by the concussion that strong magnetic disturbance produces, prevent the situation bringing electronic product operation irregularity by electromagnetic interference, and substantially reduce transformer whole size, transformer is made more mini, meet the development trend of miniaturization of electronic products.
For more clearly setting forth architectural feature of the present utility model and effect, below in conjunction with accompanying drawing and specific embodiment, the utility model is described in detail.
Accompanying drawing explanation
Fig. 1 is the front view of traditional transformer;
Fig. 2 is the overall schematic of transformer in the preferred embodiment of the utility model;
Fig. 3 is the exploded view of Fig. 2;
Fig. 4 is the front view of Fig. 2;
Fig. 5 is the vertical view of Fig. 2;
Fig. 6 is the cutaway view of A-A in Fig. 5;
Fig. 7 is the cutaway view of B-B in Fig. 5;
Fig. 8 is the schematic diagram of skeleton in the preferred embodiment of the utility model;
Fig. 9 is the schematic diagram of spacer in the preferred embodiment of the utility model.
Accompanying drawing identifier declaration:
10, skeleton 11, base plate
111, wire casing 112, recess
113, elongated slot 12, top board
121, recess 13, wrapping post
131, through hole 20, magnetic core
201, horizontal part 202, sidepiece
203, central portion 21, upper magnetic core
22, lower magnetic core 23, coiling chamber
30, coil 40, pin
41, primary pins 42, secondary pins
50, spacer 51, erect-type dividing plate
52, horizontal dividing plate.
Embodiment
Please refer to shown in Fig. 2 to Fig. 9, that show the concrete structure of the preferred embodiment of the utility model, is a kind of transformer, and its structure includes skeleton 10, magnetic core 20, coil 30 and pin 40.
Wherein, as shown in Figure 8, described skeleton 10 comprises base plate 11, top board 12 and wrapping post 13, and this wrapping post 13 is integrally connected between this base plate 11 and top board 12.Described base plate 11 is " I " font.The both sides of base plate 11 arrange pin 40, and pin 40 comprises primary pins 41 and secondary pins 42 respectively, and each pin and base plate 11 are one produced by insert molding.In the present embodiment, primary pins 41 has 5PIN, and secondary pins 42 has 2PIN, and the base plate of support 11 on side, each PIN pin side all offers wire casing 111, connects so that the wire of coil 30 can be accommodated in wire casing 111 with corresponding pin.In addition, the wrapping post 13 center up/down perforation formula of this skeleton 10 is provided with through hole 131, and this through hole 131 is rectangle, for installing magnetic core 20.This is right, the base plate 11 and top board 12 of skeleton 10 is equipped with recess 112,121, can clamps magnetic core 20, can not loosen after magnetic core 20 is installed.
As shown in Figure 3, described magnetic core 20 comprises magnetic core 21 and lower magnetic core 22.On this, magnetic core 21 covers at skeleton 10 top from top to bottom, and this lower magnetic core 22 covers at skeleton 10 bottom from the bottom to top, and being connected by the end face of upper and lower magnetic core 21,22 forms two coiling chambers 23 to enclose with skeleton 10; It is outer all through these two coiling chambers 23 that described coil 30 is wound in skeleton 10.
In the present embodiment, described upper and lower magnetic core 21,22 includes a horizontal part 201, both sides 202 and a central portion 203, and this horizontal part 201, both sides 202 and central portion 203 integral type are connected for " mountain " font, can reach better radiating effect.The central portion 203 of this upper and lower magnetic core 21,22 all inserts in the through hole 131 of skeleton 10, can reach transformation effect after making coil electricity.
Described coil 30 comprises armature winding and secondary winding, and primary and secondary winding technique is outside the wrapping post 13 of skeleton 10.This armature winding is connected on primary pins 41, and this secondary winding is connected on secondary pins 42.By this, originally, secondary pins 41,42 conducted electricity, then realize boosting or step-down by primary and secondary winding, meet transformation function.
Hold, as shown in Figures 2 to 6, between described coil 30 and pin 40, be provided with spacer 50, the space between this spacer 50 retarder and just/secondary pins 41/42.By this spacer 50 as slider, not only ensure primary and secondary safe distance, at least need the safety standard of 6mm (see the mark L1 in Fig. 1 relative to tradition, L1 >=6mm herein), after spacer 50 is set, see Fig. 4, L2 represents the safe distance between the rear primary and secondary of isolation, L2 >=6mm can meet safety distance herein, comparison diagram 1 and Fig. 4 product together, when L1 and L2 all gets the safe distance of 6mm time, the transformer whole of obvious Fig. 4 can make less, therefore, the setting of spacer 50 makes transformer whole size diminish.
In the present embodiment, described spacer 50 is fixed on this base plate 11.As shown in Figure 8, offer an elongated slot 113 at the base plate 11 of skeleton 10, this elongated slot 113, between coil 30 and primary pins 41, can certainly be arranged between coil 30 and secondary pins 42.As shown in Figure 9, described spacer 50 is PP insulation sheet material, PE insulation sheet material or mylar film material.This spacer 50 comprises erect-type dividing plate 51 and horizontal dividing plate 52, this erect-type dividing plate 51 forms " L " shape with horizontal dividing plate 52, wherein, as shown in Figure 3, erect-type dividing plate 51 is upward through elongated slot 113 by bottom and is suspended between coil 30 and primary pins 41, and this horizontal dividing plate 52 is affixed on the bottom of the base plate 11 of skeleton 10.
In sum, design focal point of the present utility model is, it mainly increases spacer 50 between coil and pin 40, slider is made with spacer 50, not only ensure primary and secondary safe distance, and overall dimensions diminishes, transformer is made more mini, meet the development trend of miniaturization of electronic products.
The above, it is only preferred embodiment of the present utility model, not technical scope of the present utility model is imposed any restrictions, therefore every above embodiment is done according to technical spirit of the present utility model any trickle amendment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (8)
1. a miniature transformer, is characterized in that: comprise skeleton, magnetic core, coil and pin; This magnetic core covers at skeleton and encloses formation two coiling chambers with skeleton; This pin comprises primary pins and secondary pins, and this coil comprises armature winding and secondary winding, and primary and secondary winding technique is outside skeleton, and this armature winding is connected on primary pins, and this secondary winding is connected on secondary pins; It is characterized in that: between described coil and pin, be provided with spacer, the space between this spacer retarder and pin.
2. miniature transformer according to claim 1, is characterized in that: described skeleton comprises base plate, top board and wrapping post, and this wrapping post is integrally connected between this base plate and top board, and described spacer is fixed on this base plate.
3. miniature transformer according to claim 2, is characterized in that: the base plate of described skeleton offers an elongated slot, and this elongated slot is between coil and just/secondary pins; Described spacer comprises erect-type dividing plate and horizontal dividing plate, this erect-type dividing plate and horizontal dividing plate form " L " shape, wherein, erect-type dividing plate is upward through elongated slot by bottom and is suspended between coil and pin, and this horizontal dividing plate is affixed on the bottom of the base plate of skeleton.
4. miniature transformer according to claim 2, is characterized in that: described spacer is separated between coil and secondary pins.
5. miniature transformer according to claim 2, is characterized in that: described spacer is PP insulation sheet material, PE insulate sheet material or mylar film material.
6. miniature transformer according to claim 2, it is characterized in that: described primary pins has 5, secondary pins has 2, and this first/secondary pins is distributed in the both sides of base plate of support, each pin and base plate of support one produced by insert molding, and the base plate on side, each pin side offers wire casing; Described just/wire rod of secondary winding is corresponding respectively to connect with respective pins through this wire casing.
7. miniature transformer according to claim 1, it is characterized in that: described magnetic core comprises magnetic core and lower magnetic core, on this, magnetic core covers at skeleton top from top to bottom, this lower magnetic core covers at skeleton bottom from the bottom to top, and being connected by the end face of upper and lower magnetic core forms described two coiling chambers to enclose with skeleton; Described coil winding in skeleton outward all through these two coiling chambers.
8. miniature transformer according to claim 7, is characterized in that: the middle part up/down perforation formula of described skeleton is provided with through hole; Described upper and lower magnetic core includes a horizontal part, both sides and a central portion, and this horizontal part, both sides and central portion integral type are connected for " mountain " font, and the central portion of this upper and lower magnetic core all inserts in the through hole of skeleton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520017772.6U CN204360901U (en) | 2015-01-12 | 2015-01-12 | Miniature transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520017772.6U CN204360901U (en) | 2015-01-12 | 2015-01-12 | Miniature transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204360901U true CN204360901U (en) | 2015-05-27 |
Family
ID=53262356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520017772.6U Active CN204360901U (en) | 2015-01-12 | 2015-01-12 | Miniature transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204360901U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042634A (en) * | 2015-08-26 | 2015-11-11 | 佛山市顺德区铭派电子有限公司 | High-pressure pack for arc lighter |
| CN107170568A (en) * | 2017-06-15 | 2017-09-15 | 广州金升阳科技有限公司 | Transformer framework |
| CN108198683A (en) * | 2017-12-12 | 2018-06-22 | 深圳市索源科技有限公司 | A kind of transformer framework |
-
2015
- 2015-01-12 CN CN201520017772.6U patent/CN204360901U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042634A (en) * | 2015-08-26 | 2015-11-11 | 佛山市顺德区铭派电子有限公司 | High-pressure pack for arc lighter |
| CN105042634B (en) * | 2015-08-26 | 2017-07-07 | 佛山市顺德区铭派电子有限公司 | A kind of electric-arc lighter high voltage package |
| CN107170568A (en) * | 2017-06-15 | 2017-09-15 | 广州金升阳科技有限公司 | Transformer framework |
| WO2018228154A1 (en) * | 2017-06-15 | 2018-12-20 | 广州金升阳科技有限公司 | Transformer framework |
| CN108198683A (en) * | 2017-12-12 | 2018-06-22 | 深圳市索源科技有限公司 | A kind of transformer framework |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170704 Address after: 523455 Guangdong province Dongguan Dongkeng Dongkeng Avenue South, No. 365 Patentee after: Dongguan city Pu Smythe Electronics Co. Ltd. Address before: 518000 Guangdong city of Shenzhen province Baoan District Guanlan street Huangkeng community Hedong Village No. 437 Shenzhen city Pu Smythe Electronics Co. Ltd. Patentee before: Mai Sipu Electronics Co., Ltd. of Shenzhen |
|
| CP03 | Change of name, title or address |
Address after: No. 365, Dongkeng Avenue South, Dongkeng Town, Dongguan City, Guangdong Province, 523000 Patentee after: Meispu Electronics Co.,Ltd. Address before: No. 365, Dongkeng Avenue South, Dongkeng Town, Dongguan City, Guangdong Province, 523455 Patentee before: DONGGUAN CITY MAISI PU ELECTRONICS CO.,LTD. |
|
| CP03 | Change of name, title or address |