CN103066808A - Ultra thin type power adapter - Google Patents
Ultra thin type power adapter Download PDFInfo
- Publication number
- CN103066808A CN103066808A CN2013100112750A CN201310011275A CN103066808A CN 103066808 A CN103066808 A CN 103066808A CN 2013100112750 A CN2013100112750 A CN 2013100112750A CN 201310011275 A CN201310011275 A CN 201310011275A CN 103066808 A CN103066808 A CN 103066808A
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- transformer
- power adapter
- power supply
- supply adaptor
- circuit board
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Abstract
The invention relates to portable electronic equipment and power supply conversion equipment of electronic and electrical appliances, in particular to an ultra thin type power adapter. Pins of a transformer in inserted into a printed-circuit board in a surface mounting mode, and thereby solving the problem that the thickness of the power adapter cannot be reduced due to encapsulation in a dual-in-line mode; then, a hollow part is arranged in the printed-circuit board and the transformer is embedded in the hollow part, and thereby reducing occupied space of the transformer; further, the transformer with a rack low in height is used, and consequently the thickness increasing due to the transform can be removed to the maximum extent. Therefore, the ultra thin type power adapter can enable the thickness of the power adapter to substantially lower, and then improves portability of the power adapter, reduces the space occupied by the power adapter to adapt to ultra thinner and smaller development trend of the electronic equipment.
Description
Technical field
The present invention relates to the power supply conversion equipment of a kind of portable electric appts and electronic apparatus, be specifically related to a kind of ultrathin power supply adaptor.
Background technology
Power supply adaptor is the power supply conversion equipment of small portable electronic device and electronic apparatus, generally is comprised of shell, power transformer and rectification circuit, can be divided into by its output type exchanging output type and direct current output type; Can be divided into Direct Plug-In and Table top type etc. by connected mode.Power supply adaptor now extensively is matched in the equipment such as phone composite aircraft, game machine, language playback device, walkman, notebook computer and cell phone.
Along with various electronic equipment profiles are more and more slim, the consumer has also proposed the requirement of ultrathin gradually to the power supply adaptor that cooperates with it.
Transformer in the prior art in the power supply adaptor is to cause it can't reduce one of principal element of thickness always, reason is that the transformer of power supply adaptor in the prior art all is to adopt DIP(Dual Inline-pin Package, the dual in-line package technology) mode accesses printed circuit board (PCB), although can realize so easily the piercing welding of printed circuit board (PCB), good compatibility is arranged, but because its package area and thickness are all larger, ratio between board area and the package area is larger, so volume is also larger, thereby cause the power supply adaptor finished product thickness to reduce, simultaneously bulky.
Summary of the invention
The technical problem that (one) will solve
The object of the present invention is to provide a kind of ultrathin power supply adaptor, be used for improving the portability of power supply adaptor, reduce the space hold of power supply adaptor, make it adapt to the development trend of electronic equipment ultrathin, miniaturization.
(2) technical scheme
Technical solution of the present invention is as follows:
A kind of ultrathin power supply adaptor comprises printed circuit board (PCB) and transformer, and the pin of described transformer accesses described printed circuit board (PCB) by the surface mount mode.
Preferably, on described printed circuit board (PCB), the position corresponding with described transformer has openwork part, and described transformer is entrenched in described openwork part.
Preferably, the coil holder height of described transformer is not more than 15.2mm.
Preferably, high 6.00mm in the coil holder hollow hole of described transformer, outer high 7.20mm.
(3) beneficial effect
A kind of power supply adaptor of the present invention has been avoided use dual inline type mode to encapsulate and has been caused power supply adaptor thickness can't reduce problem by the pin access printed circuit board (PCB) of surface mount mode with transformer; Further, the present invention is entrenched in transformer wherein by at printed circuit board (PCB) openwork part being set, and has reduced the space that transformer takies; Further, the present invention is by using the less transformer of coil holder height, thereby the thickness that causes of eliminating transformer increases to the full extent.Therefore, the present invention can make the thickness of power supply adaptor significantly reduce, and then improves the portability of power supply adaptor, reduces the space hold of power supply adaptor, makes it adapt to the development trend of electronic equipment ultrathin, miniaturization.
Description of drawings
Fig. 1 is the transformer coil holder structure schematic diagram of a kind of ultrathin power supply adaptor of the present invention;
Fig. 2 is the end view of transformer coil holder among Fig. 1.
Among the figure: 1: hollow hole; 2: pin.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described further.Following examples only are used for explanation the present invention, but are not used for limiting the scope of the invention.
In order to comply with the development trend of power supply adaptor miniaturization, ultrathin, the present invention is mainly by on affecting the principal element of its thickness in the power supply adaptor---and the connected mode of transformer and transformer and printed circuit board (PCB) is improved, thereby reaches the purpose that reduces power supply adaptor thickness and volume.
A kind of ultrathin power supply adaptor comprises printed circuit board (PCB) and transformer, and transformer comprises the coil holder as shown in Fig. 1 and Fig. 2 and is looped around coil on the coil holder etc.; Pin 2 on the transformer coil holder accesses printed circuit board (PCB) by the surface mount mode; The surface mount mode has packaging density height, little, the lightweight advantage of small product size, and the volume and weight of surface mount elements only has about 1/10 of traditional inserting element, after the general employing surface mount process, electronic product volume-diminished 40%～60%, weight saving 60%～80%; Simultaneously, the product reliability of employing surface mount process is high, shock resistance is strong, the welding point defect rate is low; Main is that surface mount process easily is automated, thereby improves the production efficiency of product, reduces cost, saves the energy, manpower and time etc.
Further, on printed circuit board (PCB), the position corresponding with transformer has openwork part, and transformer is entrenched in openwork part; The overall weight of product will not only have been reduced after the printed circuit board (PCB) hollow out, and transformer bottom is entrenched in wherein, and make fixing more firm of transformer, the overall volume of product is dwindled, thereby reduced the outer enclosure material, played to a certain extent the effect of saving material.
Further, thinner in order to make power supply adaptor, the present invention also optimizes for coil holder and the magnetic core of transformer; Among the present invention, the coil holder height setting of transformer is not more than 15.2mm; Along with the reduction of transformer height, the cross section that is in the magnetic core in the transformer coil holder hollow hole 1 also requires further improvement; In order to adapt to the improvement of magnetic core, the coil holder hollow hole 1 interior height of transformer is not less than 6.00mm among the present invention, and outer height is not more than 7.20mm, takes into account the magnetic core that adapts to transformer and improve when the transformer height is reduced, guarantees that the performance of transformer can not weaken.
By above-mentioned improvement, what power supply adaptor gross thickness of the present invention obtained significantly reduces, and has reduced simultaneously the space hold of power supply adaptor, improves the portability of power supply adaptor; But also improved the production efficiency of product, reduced production cost.
Above execution mode only is used for explanation the present invention; and be not limitation of the present invention; the those of ordinary skill in relevant technologies field; in the situation that does not break away from the spirit and scope of the present invention; can also make a variety of changes and modification, so all technical schemes that are equal to also belong to protection category of the present invention.
Claims (4)
1. a ultrathin power supply adaptor comprises printed circuit board (PCB) and transformer, it is characterized in that, the pin of described transformer accesses described printed circuit board (PCB) by the surface mount mode.
2. ultrathin power supply adaptor according to claim 1 is characterized in that, on described printed circuit board (PCB), the position corresponding with described transformer has openwork part, and described transformer is entrenched in described openwork part.
3. ultrathin power supply adaptor according to claim 1 and 2 is characterized in that, the coil holder height of described transformer is not more than 15.2mm.
4. ultrathin power supply adaptor according to claim 1 and 2 is characterized in that, high 6.00mm in the coil holder hollow hole of described transformer, outer high 7.20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100112750A CN103066808A (en) | 2013-01-11 | 2013-01-11 | Ultra thin type power adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100112750A CN103066808A (en) | 2013-01-11 | 2013-01-11 | Ultra thin type power adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103066808A true CN103066808A (en) | 2013-04-24 |
Family
ID=48109301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100112750A Pending CN103066808A (en) | 2013-01-11 | 2013-01-11 | Ultra thin type power adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103066808A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201112096Y (en) * | 2007-10-08 | 2008-09-10 | 许登贤 | Transformer framework with plastered low-voltage coil |
| CN201345288Y (en) * | 2009-01-19 | 2009-11-11 | 深圳市航嘉驰源电气股份有限公司 | Super slim transformer and installing structure thereof |
| US20090305578A1 (en) * | 2008-06-06 | 2009-12-10 | Way Chet Lim | Low-Profile Power Adapter |
| CN201673804U (en) * | 2010-03-02 | 2010-12-15 | 东莞创慈磁性元件有限公司 | Transformer bobbin with improved structure |
| CN201781404U (en) * | 2010-02-27 | 2011-03-30 | 比亚迪股份有限公司 | Power adapter |
| CN203056832U (en) * | 2013-01-11 | 2013-07-10 | 苏州中泰电子有限公司 | Ultrathin power adapter |
-
2013
- 2013-01-11 CN CN2013100112750A patent/CN103066808A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201112096Y (en) * | 2007-10-08 | 2008-09-10 | 许登贤 | Transformer framework with plastered low-voltage coil |
| US20090305578A1 (en) * | 2008-06-06 | 2009-12-10 | Way Chet Lim | Low-Profile Power Adapter |
| CN201345288Y (en) * | 2009-01-19 | 2009-11-11 | 深圳市航嘉驰源电气股份有限公司 | Super slim transformer and installing structure thereof |
| CN201781404U (en) * | 2010-02-27 | 2011-03-30 | 比亚迪股份有限公司 | Power adapter |
| CN201673804U (en) * | 2010-03-02 | 2010-12-15 | 东莞创慈磁性元件有限公司 | Transformer bobbin with improved structure |
| CN203056832U (en) * | 2013-01-11 | 2013-07-10 | 苏州中泰电子有限公司 | Ultrathin power adapter |
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130424 |