CN201490479U - Miniature power supply device - Google Patents
Miniature power supply device Download PDFInfo
- Publication number
- CN201490479U CN201490479U CN2009201348420U CN200920134842U CN201490479U CN 201490479 U CN201490479 U CN 201490479U CN 2009201348420 U CN2009201348420 U CN 2009201348420U CN 200920134842 U CN200920134842 U CN 200920134842U CN 201490479 U CN201490479 U CN 201490479U
- Authority
- CN
- China
- Prior art keywords
- power supply
- circuit board
- housing
- supply circuit
- conductive part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The utility model relates to a miniature power supply device, which comprises a case, a power supply circuit board, an input connection safety plug and an output connector, and further comprises conductive elastic sheets, wherein the power supply circuit board is contained in the case, the conductive elastic sheets are arranged correspondingly to each plug pin of the input connection safety plug, each conductive elastic sheet comprises a first conductive part and a second conductive part, the first conductive parts are electrically contacted with the plug pins, the second conductive parts are extended upwards from one end of the first conductive parts, and arc-shaped bending hooks formed on the tail ends of the second conductive elastic sheets are in electric contact with the power supply circuit board. The miniature power supply device realizes the elastic connect type electric connection between the plug pins of the input connection safety plug and the power supply circuit board through the conductive elastic sheets, the electric connection method is reliable, the structure is compact, the miniaturization can be conveniently realized, and in addition, the production assembly and the maintenance are easy and convenient.
Description
Technical field
The utility model relates to electrical accessorie, more particularly, relates to a kind of Miniature Power Unit device.
Background technology
Power supply adaptor is the power supply device of small portable electronic device and electronic apparatus.Traditional power supply adaptor generally is made up of housing, pin, circuit board and connecting line, is widely used in the equipment such as mobile phone, walkman, game machine, notebook.Pin is arranged on the housing, is used for connecting external power source.Circuit board and connecting line are contained in the housing, and the function difference according to power supply adaptor on the circuit board is provided with different electronic components.Connecting line is used for connecting the conducting terminal and the circuit board of pin, thus, foreign current just can enter circuit board by conducting terminal and connecting line, and circuit board is converted to the rated voltage of electronic product with external power source, is transferred to electronic product by the output interface that is arranged on the circuit board.
Traditional power supply adaptor uses connecting line to connect pin and circuit board, makes that enough spaces must be set in the power supply adaptor holds connecting line, is unfavorable for the development of miniaturization.And the connected mode of connecting line can get loose easily, and it is unreliable to connect, and production and assembly and later period maintenance are all very inconvenient, and production efficiency is not high.
The utility model content
The technical problems to be solved in the utility model is, at the above-mentioned defective of prior art, provides a kind of Miniature Power Unit device reliable, easy to assembly that connects.
The technical scheme that its technical problem that solves the utility model adopts is: propose a kind of Miniature Power Unit device, the power supply circuit board and the input that comprise shell, be contained in the shell connect safety plug and out connector, further comprise the electroconductive elastic sheet that connects each pin setting of safety plug corresponding to input, described electroconductive elastic sheet comprises first conductive part that electrically contacts with pin and second conductive part that extends upward from an end of first conductive part, and the end of described second conductive part forms the arc crotch and described power supply circuit board electrically contacts.
In an embodiment of the present utility model, described shell comprises first housing and second housing of mutual fastening, and described power supply circuit board is clamped between described first housing and second housing.The pin that described input connects the safety plug is installed in the installing hole that the bottom front of described second housing is provided with, and the conducting terminal of described pin stretches into described second enclosure interior.First conductive part of described electroconductive elastic sheet is arranged on the top of described installing hole, described first conductive part is formed with the through hole that passes for described conducting terminal, and the periphery of described through hole extends upward slightly and closely electrically contacts to the flange and the described conducting terminal that radially tilt.Being against on the sidewall of described second housing of second conductive part of described electroconductive elastic sheet away from power supply circuit board one side.
In an embodiment of the present utility model, described out connector is fixed on the afterbody of power supply circuit board and exposes from the breach of described first housing and the second housing fastening.Described out connector is a USB interface.
In an embodiment of the present utility model, the arc crotch that described power supply circuit board is provided with conductive contact and described second conductive part electrically contacts.
Miniature Power Unit device of the present utility model has realized that by electroconductive elastic sheet input connects the pin of safety plug and is electrically connected with Elastic Contact formula between the power supply circuit board.This electric connection mode connects reliable, and compact conformation is convenient to miniaturization, and production and assembly are all very easy with maintenance.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the overall structure schematic diagram of the Miniature Power Unit device of an embodiment of the utility model;
Fig. 2 is the structural representation of the power supply circuit board among embodiment of the utility model;
Fig. 3 is the first enclosure interior structural representation among embodiment of the utility model;
Fig. 4 is the cutaway view of the Miniature Power Unit device of an embodiment of the utility model;
Fig. 5 is an A portion enlarged drawing among Fig. 4.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As shown in Figure 1, this supply unit comprises shell, is contained in power supply circuit board 40 and input connection safety plug 20 and out connector 30 in the shell.Shell is fastened by first housing 11 and second housing 12 and forms, and two safety pins that input connects safety plug 20 stretch out from second housing, 12 bottom front.Two pins that input connects safety plug 20 are electrically connected with power supply circuit board 40, and out connector 30 is positioned at first housing 11 and second housing, the 12 fastening places of shell afterbody.
Specifically as shown in Figure 2, power supply circuit board 40 is roughly rectangular, which is provided with corresponding electronic component 41, and out connector 30 is fixed on its afterbody, and exposes from the breach of first housing 11 and the formation of second housing, 12 afterbody fastenings.In the specific embodiment, this out connector 30 can be a USB interface.Referring to shown in Figure 4, power supply circuit board 40 is clamped between first housing 11 and second housing 12.
Referring to Fig. 3, second housing 12 has a base plate 121 again, and the periphery of base plate 121 extends upward respectively and forms sidewall 122, and the afterbody of sidewall 122 is formed with the breach 123 that is used to expose out connector 30.Base plate 121 front ends are provided with the installing hole (not shown) that connects two pins installations of safety plug 20 for input, and two pins insert in the corresponding mounting hole from base plate 121 bottoms, and the conducting terminal 21 of pin stretches into second housing, 12 inside.
Connect being electrically connected between safety plug 20 and the power supply circuit board 40 in order to realize importing, characteristic of the present utility model is to be provided with and to import two electroconductive elastic sheets 50 of two pins electrical connections that are connected safety plug 20 second housing 12 in.
To shown in Figure 5, this electroconductive elastic sheet 50 is the L type in conjunction with Fig. 3, second conductive part 52 that has first conductive part 51 and extend upward from an end of first conductive part 51.First conductive part 51 is arranged on installing hole 124 tops on second housing, 12 base plates 121.First conductive part 51 is formed with the through hole 54 that the conducting terminal 21 for pin passes, and the periphery at this through hole 54 extends upward the intilted flange 55 of slight radial, makes conducting terminal 21 pass will closely contacts with this flange 55 behind the through hole 54 to form electrical connection.The end of second conductive part 52 is to forming arc crotch 53 near power supply circuit board 40 1 sides, this arc crotch 53 contacts with wire contact 42 on the power supply circuit board 40 to form and is electrically connected, and, being against on the sidewall of second housing 12 of second conductive part 52 away from power supply 40 1 sides.
By above shell fragment 50, realized that input connects the pin of safety plug 20 and is electrically connected with Elastic Contact formula between the power supply circuit board 40.This electric connection mode connects reliable, and compact conformation is convenient to miniaturization, and production and assembly are all very easy with maintenance.
More than be that example is described Miniature Power Unit device of the present utility model with the two-pin plug of Chinese Industrial Standards (CIS), those skilled in the art according to the disclosed content of the application obviously as can be known be, more than Elastic Contact formula of the present utility model be electrically connected scheme equally applicable to the supply unit that adopts various standard plugs such as U.S. rule, English rule.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (8)
1. Miniature Power Unit device, the power supply circuit board and the input that comprise shell, be contained in the shell connect safety plug and out connector, it is characterized in that, further comprise the electroconductive elastic sheet that connects each pin setting of safety plug corresponding to input, described electroconductive elastic sheet comprises first conductive part that electrically contacts with pin and second conductive part that extends upward from an end of first conductive part, and the end of described second conductive part forms the arc crotch and described power supply circuit board electrically contacts.
2. Miniature Power Unit device according to claim 1 is characterized in that, described shell comprises first housing and second housing of mutual fastening, and described power supply circuit board is clamped between described first housing and second housing.
3. Miniature Power Unit device according to claim 2 is characterized in that, the pin that described input connects the safety plug is installed in the installing hole that the bottom front of described second housing is provided with, and the conducting terminal of described pin stretches into described second enclosure interior.
4. Miniature Power Unit device according to claim 3, it is characterized in that, first conductive part of described electroconductive elastic sheet is arranged on the top of described installing hole, described first conductive part is formed with the through hole that passes for described conducting terminal, and the periphery of described through hole extends upward slightly and closely electrically contacts to the flange and the described conducting terminal that radially tilt.
5. Miniature Power Unit device according to claim 3 is characterized in that, being against on the sidewall of described second housing away from power supply circuit board one side of second conductive part of described electroconductive elastic sheet.
6. Miniature Power Unit device according to claim 2 is characterized in that, described out connector is fixed on the afterbody of power supply circuit board and exposes from the breach of described first housing and the second housing fastening.
7. Miniature Power Unit device according to claim 6 is characterized in that described out connector is a USB interface.
8. Miniature Power Unit device according to claim 1 is characterized in that, the arc crotch that described power supply circuit board is provided with conductive contact and described second conductive part electrically contacts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201348420U CN201490479U (en) | 2009-08-17 | 2009-08-17 | Miniature power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201348420U CN201490479U (en) | 2009-08-17 | 2009-08-17 | Miniature power supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201490479U true CN201490479U (en) | 2010-05-26 |
Family
ID=42429346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201348420U Expired - Lifetime CN201490479U (en) | 2009-08-17 | 2009-08-17 | Miniature power supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201490479U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102723616A (en) * | 2012-06-28 | 2012-10-10 | 冠德科技(北海)有限公司 | Connecting piece for power plug of charger and circuit board and mounting process thereof |
| CN113923905A (en) * | 2020-06-24 | 2022-01-11 | 苹果公司 | Power adapter for electronic device |
-
2009
- 2009-08-17 CN CN2009201348420U patent/CN201490479U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102723616A (en) * | 2012-06-28 | 2012-10-10 | 冠德科技(北海)有限公司 | Connecting piece for power plug of charger and circuit board and mounting process thereof |
| CN102723616B (en) * | 2012-06-28 | 2014-08-13 | 冠德科技(北海)有限公司 | Connecting piece for power plug of charger and circuit board and mounting process thereof |
| CN113923905A (en) * | 2020-06-24 | 2022-01-11 | 苹果公司 | Power adapter for electronic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100526 |
|
| CX01 | Expiry of patent term |