CN202889176U - Stackable power adapter - Google Patents
Stackable power adapter Download PDFInfo
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- CN202889176U CN202889176U CN 201220569788 CN201220569788U CN202889176U CN 202889176 U CN202889176 U CN 202889176U CN 201220569788 CN201220569788 CN 201220569788 CN 201220569788 U CN201220569788 U CN 201220569788U CN 202889176 U CN202889176 U CN 202889176U
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Abstract
The utility model provides a stackable power adapter. The stackable power adapter comprises a plug body and a connector, wherein the plug body comprises a first plug front end, a reference voltage generation unit, a first plug tail end and a first output end; the first plug front end is electrically connected with an AC (Alternating Current) power supply; the reference voltage generation unit generates a reference voltage U0 and outputs the reference voltage U0 to the first plug tail end and the first output end; the connector is plugged into the plug body, and comprises a first plug front end, a doubled voltage generation unit, a second plug tail end and a second output end; the second plug front end is plugged into the first plug tail end; the doubled voltage generation unit is used for doubling the reference voltage and outputting the doubled voltage U1 to the second plug tail end and the second output end; and U1 is equal to the double of U0. The magnitude of voltage output by the stackable power adapter is improved exponentially according to the number of the inserted connectors, so that the stackable power adapter provided by the utility model ensures that the magnitude of an output voltage can be conveniently adjusted by users.
Description
[technical field]
The utility model relates to the stacking type power supply adaptor that a kind of stacking type power supply adaptor, particularly a kind of user of being convenient to are adjusted output voltage.
[background technology]
Power supply adaptor (Power adapter) 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 by connected mode.Extensively be matched in the equipment such as phone composite aircraft, game machine, language playback device, walkman, notebook computer, cell phone.The existing power supply adapter is divided into non-adjustable power supply adaptor and many gears power supply adaptor, the output voltage of non-adjustable power supply adaptor immobilizes, the output voltage of many gears power supply adaptor has multiple choices, for example, the China's Mainland patent application discloses the adjustable power supply adaptor of a kind of output voltage No. 200920060453.8, it comprises for alternating current being converted to galvanic switching power circuit, and the current supply circuit that is connected with described switching power circuit.Switching power circuit comprises EMI filter circuit, full bridge rectifier, switch transformer, secondary commutation filter circuit, pwm control circuit and optocoupler feedback control circuit; Current supply circuit comprises voltage gear selection circuit, output line, display circuit and output conversion head, the voltage gear selects circuit to be linked into switching power circuit, voltage gear selection circuit comprises at least two feedback resistances with the multiple-pole switch parallel connection, gear by multiple-pole switch is selected different feedback resistances, by the Voltage-output of feedback resistance control switch power circuit.
But, the power supply adaptor of output voltage not yet appears increasing progressively by level doubly.
[summary of the invention]
The stacking type power supply adaptor that provides a kind of user of being convenient to adjust output voltage is provided main purpose of the present utility model.
The utility model provides a kind of stacking type power supply adaptor, it comprises grafting body and adaptor, described grafting body comprises the first grafting front end, ground level voltage generation unit, the first patch end and the first output, described the first grafting front end is electrically connected AC power, described ground level voltage generation unit produces reference voltage and exports the first patch end to and the first output, and described reference voltage is U0; Described adaptor is plugged to the grafting body, it comprises the second grafting front end, times step voltage generation unit, the second patch end and the second output, described the second grafting front end is plugged to the first patch end, described times of step voltage generation unit exports the second patch end and the second output to after doubly level increases progressively with reference voltage, the output voltage of described the second patch end and the second output is U1, and U1=2*UO.
Especially, X adaptor of sequentially stacking type grafting of described stacking type power supply adaptor, wherein, first adaptor is plugged to the grafting body, and the output voltage of X adaptor is UX, and UX=(X+1) * UO.
Especially, described the first grafting front end is the plug-type structure.
Especially, described the first patch end is inserting column formula structure, and it comprises that the first switch inserting column, the first output inserting column, the first ground connection inserting column and the first feedback patch post.
Especially, described the second grafting front end is the jack type structure, and it comprises second switch jack, the second output plughole, the second earth jack and the second feedback jointing holes, and accommodates the first switch inserting column in the second switch jack of described first adaptor; Accommodate the first output inserting column in the second output plughole of first adaptor, accommodate the first ground connection inserting column in the second earth jack of first adaptor, accommodate the first feedback in the second feedback jointing holes of first adaptor and patch post.
Especially, described the second patch end is inserting column formula structure, and it comprises that second switch inserting column, the second output inserting column, the second ground connection inserting column and the second feedback patch post.
Especially, the second patch end of previous adaptor is plugged to the second grafting front end of a rear adaptor.
Especially, the second switch inserting column of previous adaptor is plugged to the second switch jack of a rear adaptor; The second output inserting column of previous adaptor is plugged to the second output plughole of a rear adaptor; The second ground connection inserting column of previous adaptor is plugged to the second earth jack of a rear adaptor; The second feedback of previous adaptor patches the second feedback jointing holes that post is plugged to a rear adaptor.
Especially, described times of step voltage generation unit connects a change over switch, and an end of described change over switch is electrically connected the second feedback jointing holes, and the other end of described change over switch optionally connects the second output inserting column or the second feedback patches post; When described adaptor was last adaptor, the other end of change over switch connected the second output inserting column; And when described adaptor was the intermediate transit part, the other end of change over switch connected the second feedback and patches post.
Compared with prior art, the quantity of the size of the utility model output voltage and the adaptor of insertion is doubly, and level increases progressively, namely, output voltage is 2UO when inserting 1 adaptor, output voltage is 3UO when inserting 2 adaptors, output voltage is (X+1) * UO when inserting X adaptor, is convenient to the size that the user adjusts output voltage.
[description of drawings]
Fig. 1 is the decomposing schematic representation of the utility model stacking type power supply adaptor.
Fig. 2 is the combination schematic diagram of Fig. 1.
Fig. 3 is the circuit diagram of adaptor in the utility model stacking type power supply adaptor.
[embodiment]
See also Figure 1 and Figure 2, the utility model provides a kind of stacking type power supply adaptor, it comprises grafting body 10 and adaptor 20, described grafting body 10 comprises the first grafting front end 11, ground level voltage generation unit 12, the first patch end 13 and the first output 14, described the first grafting front end 11 is electrically connected AC power, described ground level voltage generation unit 12 produces reference voltage and exports the first patch end 13 to and the first output 14, and described reference voltage is U0; In present embodiment, described the first grafting front end 11 is the plug-type structure, and described the first patch end 13 is inserting column formula structure, and it comprises that the first switch inserting column 131, the first output inserting column 132, the first ground connection inserting column 133 and the first feedback patch post 134.Described adaptor 20 is plugged to grafting body 10, described adaptor 20 comprises the second grafting front end 21, times step voltage generation unit 22, the second patch end 23 and the second output 24, described the second grafting front end 21 is plugged to the first patch end 13, described times of step voltage generation unit 22 exports the second patch end 23 and the second output 24 to after doubly level increases progressively with reference voltage, the output voltage of described the second patch end 23 and the second output 24 is U1, and U1=2*UO.In present embodiment, described the second grafting front end 21 is the jack type structure, and it comprises second switch jack 211, the second output plughole 212, the second earth jack 213 and the second feedback jointing holes 214.Described the second patch end 23 is inserting column formula structure, and the second patch end 23 comprises that second switch inserting column 231, the second output inserting column 232, the second ground connection inserting column 233 and the second feedback patch post 234.In present embodiment, X adaptor 20 of sequentially stacking type grafting of described stacking type power supply adaptor, wherein, the output voltage that first adaptor 20 is plugged to grafting body 10, an X adaptor 20 is UX, and UX=(X+1) * UO.And accommodate the first switch inserting column 131 in the second switch jack 211 of described first adaptor 20; Accommodate the first output inserting column 132 in the second output plughole 212 of first adaptor 20, accommodate the first ground connection inserting column 133 in the second earth jack 213 of first adaptor 20, accommodate the first feedback in the second feedback jointing holes 214 of first adaptor 20 and patch post 134.The second patch end 23 of previous adaptor 20 is plugged to the second grafting front end 21 of a rear adaptor 20.The second switch inserting column 231 of previous adaptor 20 is plugged to the second switch jack 211 of a rear adaptor 20; The second output inserting column 232 of previous adaptor 20 is plugged to the second output plughole 212 of a rear adaptor 20; The second ground connection inserting column 233 of previous adaptor 20 is plugged to the second earth jack 213 of a rear adaptor 20; The second feedback of previous adaptor 20 patches the second feedback jointing holes 214 that post 234 is plugged to a rear adaptor 20.
See also Fig. 1 and shown in Figure 3, in present embodiment, described ground level voltage generation unit 12 connects a change over switch 15, one end of described change over switch 15 is electrically connected ground level voltage generation unit 12, and the other end of described change over switch 15 optionally connects the first output inserting column 132 or the first feedback patches post 134; Rear during without adaptor 20 when described grafting body 10, the other end choosing of change over switch 15 connects the first output inserting column 132; And when behind the described grafting body 10 adaptor 20 being arranged, the other end ground of change over switch 15 connects the first feedback and patches post 134.Described times of step voltage generation unit 22 connects a change over switch 25, and an end of described change over switch 25 is electrically connected the second feedback jointing holes 214, and the other end of described change over switch 25 optionally connects the second output inserting column 232 or the second feedback patches post 234; When described adaptor 20 was last adaptor 20, the other end of change over switch 25 connected the second output inserting column 232; And when described adaptor 20 was intermediate transit part 20, the other end of change over switch 25 connected the second feedback and patches post 234.In present embodiment, ground level voltage generation unit 12 is a times step voltage generation unit 22, and doubly step voltage generation unit 22 exports the second patch end and the second output to after a reference voltage times level is increased progressively.
The quantity of the size of the utility model output voltage and the adaptor of insertion 20 is doubly, and level increases progressively, namely, output voltage is 2UO when inserting 1 adaptor 20, output voltage is 3UO when inserting 2 adaptors 20, output voltage is (X+1) * UO when inserting X adaptor 20, is convenient to the size that the user adjusts output voltage.
The above; it only is embodiment of the present utility model; but protection range of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; can expect easily changing or replacing, all should be encompassed within the protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range of claim.
Claims (9)
1. stacking type power supply adaptor is characterized in that comprising:
The grafting body, it comprises the first grafting front end, ground level voltage generation unit, the first patch end and the first output, described the first grafting front end is electrically connected AC power, described ground level voltage generation unit produces reference voltage and exports the first patch end to and the first output, and described reference voltage is U0;
Adaptor, it is plugged to the grafting body, it comprises the second grafting front end, times step voltage generation unit, the second patch end and the second output, described the second grafting front end is plugged to the first patch end, described times of step voltage generation unit exports the second patch end and the second output to after doubly level increases progressively with reference voltage, the output voltage of described the second patch end and the second output is U1, and U1=2*UO.
2. stacking type power supply adaptor according to claim 1, it is characterized in that: X adaptor of sequentially stacking type grafting of described stacking type power supply adaptor, wherein, first adaptor is plugged to the grafting body, the output voltage of X adaptor is UX, and UX=(X+1) * UO.
3. stacking type power supply adaptor according to claim 2, it is characterized in that: described the first grafting front end is the plug-type structure.
4. stacking type power supply adaptor according to claim 3, it is characterized in that: described the first patch end is inserting column formula structure, it comprises that the first switch inserting column, the first output inserting column, the first ground connection inserting column and the first feedback patch post.
5. stacking type power supply adaptor according to claim 4, it is characterized in that: described the second grafting front end is the jack type structure, it comprises second switch jack, the second output plughole, the second earth jack and the second feedback jointing holes, and accommodates the first switch inserting column in the second switch jack of described first adaptor; Accommodate the first output inserting column in the second output plughole of first adaptor, accommodate the first ground connection inserting column in the second earth jack of first adaptor, accommodate the first feedback in the second feedback jointing holes of first adaptor and patch post.
6. stacking type power supply adaptor according to claim 5, it is characterized in that: described the second patch end is inserting column formula structure, it comprises that second switch inserting column, the second output inserting column, the second ground connection inserting column and the second feedback patch post.
7. stacking type power supply adaptor according to claim 6, it is characterized in that: the second patch end of previous adaptor is plugged to the second grafting front end of a rear adaptor.
8. stacking type power supply adaptor according to claim 7, it is characterized in that: the second switch inserting column of previous adaptor is plugged to the second switch jack of a rear adaptor; The second output inserting column of previous adaptor is plugged to the second output plughole of a rear adaptor; The second ground connection inserting column of previous adaptor is plugged to the second earth jack of a rear adaptor; The second feedback of previous adaptor patches the second feedback jointing holes that post is plugged to a rear adaptor.
9. stacking type power supply adaptor according to claim 8, it is characterized in that: described times of step voltage generation unit connects a change over switch, one end of described change over switch is electrically connected the second feedback jointing holes, and the other end of described change over switch optionally connects the second output inserting column or the second feedback patches post; When described adaptor was last adaptor, the other end of change over switch connected the second output inserting column; And when described adaptor was the intermediate transit part, the other end of change over switch connected the second feedback and patches post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220569788 CN202889176U (en) | 2012-11-01 | 2012-11-01 | Stackable power adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220569788 CN202889176U (en) | 2012-11-01 | 2012-11-01 | Stackable power adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202889176U true CN202889176U (en) | 2013-04-17 |
Family
ID=48080563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220569788 Expired - Fee Related CN202889176U (en) | 2012-11-01 | 2012-11-01 | Stackable power adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202889176U (en) |
-
2012
- 2012-11-01 CN CN 201220569788 patent/CN202889176U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20141101 |
|
| EXPY | Termination of patent right or utility model |