CN103633817A - Stackable power adapter - Google Patents
Stackable power adapter Download PDFInfo
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- CN103633817A CN103633817A CN201210299932.1A CN201210299932A CN103633817A CN 103633817 A CN103633817 A CN 103633817A CN 201210299932 A CN201210299932 A CN 201210299932A CN 103633817 A CN103633817 A CN 103633817A
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- generation unit
- voltage generation
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Abstract
The invention provides a stackable power adapter. The stackable power adapter comprises a plug body and a connector, wherein the plug body comprises a first plug, a reference voltage generation unit and a first jack; the first plug is electrically connected with an AC (alternating current) power supply; the reference voltage generation unit generates reference voltage and outputs the reference voltage to the first jack, the reference voltage being U0; the connector is plugged into the plug body, and comprises a second plug, a doubled voltage generation unit and a second jack; the second plug is plugged into the first jack; the doubled voltage generation unit is used for doubling the reference voltage and outputting the doubled voltage U1 to the second jack; and the output voltage of the second jack is U1 which is equal to the double of U0. The magnitude of the output voltage by the stackable power adapter is improved exponentially according to the number of the inserted connectors, so that the magnitude of the output voltage can be conveniently adjusted by users.
Description
[technical field]
The present invention relates to a kind of stacking type power supply adaptor, particularly a kind of user of being convenient to and adjust the stacking type power supply adaptor of output voltage.
[background technology]
Power supply adaptor (Power adapter) is the power supply conversion equipment of small portable electronic device and electronic apparatus, generally shell, power transformer and rectification circuit, consists of, and by its output type, can be divided into and exchange output type and direct current output type; By connected mode, can be divided into Direct Plug-In and Table top type.Extensively be matched in the equipment such as phone composite aircraft, game machine, language playback device, walkman, notebook computer, cell phone.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 multifile position power supply adaptor has multiple choices, for example, 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 being 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, voltage gear selects circuit to be linked into switching power circuit, voltage gear selection circuit comprises at least two feedback resistances with 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, not yet there is increasing progressively by level doubly the power supply adaptor of output voltage.
[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 invention.
The invention provides a kind of stacking type power supply adaptor, it comprises grafting body and adaptor, described grafting body comprises the first plug, ground level voltage generation unit and the first jack, described the first plug is electrically connected AC power, described ground level voltage generation unit produces reference voltage and exports the first jack to, and described reference voltage is U0; Described adaptor is plugged to grafting body, it comprises the second plug, times step voltage generation unit, the second jack, described the second plug is plugged to the first jack, after increasing progressively a reference voltage times level, described times of step voltage generation unit export the second jack to, the output voltage of described the second jack 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 grafting body, and the output voltage of X adaptor is UX, and UX=(X+1) * UO.
Especially, described grafting body is TPS65150.
Especially, described ground level voltage generation unit comprises positive group step voltage generation unit and negative ground level voltage generation unit.
Especially, described times of step voltage generation unit comprises just times step voltage generation unit and negative times step voltage generation unit.
Compared with prior art, the quantity of the size of output voltage of the present invention and the adaptor of insertion is doubly level and increases progressively,, while inserting 1 adaptor, output voltage is 2UO, while inserting 2 adaptors, output voltage is 3UO, while inserting X adaptor, output voltage is (X+1) * UO, is convenient to the size that user adjusts output voltage.
[accompanying drawing explanation]
Fig. 1 is the decomposing schematic representation of stacking type power supply adaptor of the present invention.
Fig. 2 is the combination schematic diagram of stacking type power supply adaptor of the present invention.
Fig. 3 is the circuit diagram of positive group step voltage generation unit when just times step voltage generation unit is electrically connected in stacking type power supply adaptor of the present invention.
Fig. 4 is the circuit diagram of times step voltage generation unit when just times step voltage generation unit is electrically connected just in stacking type power supply adaptor of the present invention.
Fig. 5 is circuit diagram when negative ground level voltage generation unit is electrically connected with negative times step voltage generation unit in stacking type power supply adaptor of the present invention.
Fig. 6 is circuit diagram when negative times step voltage generation unit is electrically connected with negative times step voltage generation unit in stacking type power supply adaptor of the present invention.
[embodiment]
Refer to shown in Fig. 1 and Fig. 2, the invention provides a kind of stacking type power supply adaptor, it comprises grafting body 10 and adaptor 20, described grafting body 10 comprises the first plug 11, ground level voltage generation unit 12 and the first jack 15, described the first plug 11 is electrically connected AC power, described ground level voltage generation unit 12 produces reference voltage and exports the first jack 15 to, and described reference voltage is U0; Described adaptor 20 is plugged to grafting body 10, it comprises the second plug 21, times step voltage generation unit 22, the second jack 25, described the second plug 21 is plugged to the first jack 15, after increasing progressively a reference voltage times level, described times of step voltage generation unit 22 export the second jack 25 to, the output voltage of described the second jack 25 is U1, and U1=2*UO.Wherein, 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, a X adaptor 20 is UX, and UX=(X+1) * UO.Described grafting body 10 is TPS65150.Described ground level voltage generation unit 12 comprises positive group step voltage generation unit 13 and negative ground level voltage generation unit 14.Described times of step voltage generation unit 22 comprises just times step voltage generation unit 23 and negative times step voltage generation unit 24.
Refer to shown in Fig. 3, described positive group step voltage generation unit 13 comprises first positive base stage output the 131, second positive base stage output 132, the 3rd positive base stage output 133, and a described just times step voltage generation unit 23 comprises first input 231, second input 232, the 3rd input 233, first output 234, second output 235, the 3rd output 236 of just transferring of just transferring of just transferring of just transferring of just transferring of just transferring.When positive group step voltage generation unit 13 is when just times step voltage generation unit 23 is electrically connected, first input 231 of just transferring is electrically connected to the first positive base stage output 131, second input 232 of just transferring is electrically connected to the second positive base stage output 132, the three input 233 of just transferring and is electrically connected to the 3rd positive base stage output 133.
Refer to shown in Fig. 4, when times step voltage generation unit just 23 is when just times step voltage generation unit 23 is electrically connected, first of previous just times step voltage generation unit 23 output 234 of just transferring is electrically connected to rear first input 231 of just transferring of times step voltage generation unit 23 just, second of previous just times step voltage generation unit 23 output 235 of just transferring is electrically connected to rear second input 232 of just transferring of times step voltage generation unit 23 just, the 3rd of previous just times step voltage generation unit 23 output 236 of just transferring is electrically connected to rear the 3rd input 233 of just transferring of times step voltage generation unit 23 just.
Refer to shown in Fig. 5, described negative ground level voltage generation unit 14 comprises negative base stage output the 142, the 3rd negative base stage output 143 of the first negative base stage output 141, second, and a described negative times step voltage generation unit 24 comprises negative switching output the 245, the 3rd negative switching output 246 of the negative switching output 244, second of the first negative switching input 241, second negative switching input 243, first of negative switching input the 242, the 3rd.When negative ground level voltage generation unit 14 is electrically connected with negative times step voltage generation unit 24, the first negative switching input 241 is electrically connected to the first negative base stage output 141, the second negative switching input 242 is electrically connected to the negative switching input 243 of the second negative base stage output 142, the three and is electrically connected to the 3rd negative base stage output 143.
Refer to shown in Fig. 6, when negative times step voltage generation unit 24 is electrically connected with negative times step voltage generation unit 24, the first negative switching output 244 of previous negative times step voltage generation unit 24 is electrically connected to the first negative switching input 241 of a rear negative times step voltage generation unit 24, the second negative switching output 245 of previous negative times step voltage generation unit 24 is electrically connected to the second negative switching input 242 of a rear negative times step voltage generation unit 24, the 3rd negative switching output 246 of previous negative times step voltage generation unit 24 is electrically connected to the 3rd negative switching input 243 of a rear negative times step voltage generation unit 24.
The quantity of the size of output voltage of the present invention and the adaptor of insertion 20 is doubly level and increases progressively,, while inserting 1 adaptor 20, output voltage is 2UO, while inserting 2 adaptors 20, output voltage is 3UO, while inserting X adaptor 20, output voltage is (X+1) * UO, is convenient to the size that user adjusts output voltage.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (5)
1. a stacking type power supply adaptor, is characterized in that comprising:
Grafting body, it comprises the first plug, ground level voltage generation unit and the first jack, and described the first plug is electrically connected AC power, and described ground level voltage generation unit produces reference voltage and exports the first jack to, and described reference voltage is U0;
Adaptor, it is plugged to grafting body, it comprises the second plug, times step voltage generation unit, the second jack, described the second plug is plugged to the first jack, after increasing progressively a reference voltage times level, described times of step voltage generation unit export the second jack to, the output voltage of described the second jack 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 grafting body, the output voltage of X adaptor is UX, and UX=(X+1) * UO.
3. stacking type power supply adaptor according to claim 1, is characterized in that: described grafting body is TPS65150.
4. stacking type power supply adaptor according to claim 1, is characterized in that: described ground level voltage generation unit comprises positive group step voltage generation unit and negative ground level voltage generation unit.
5. stacking type power supply adaptor according to claim 4, is characterized in that: described times of step voltage generation unit comprises just times step voltage generation unit and negative times step voltage generation unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210299932.1A CN103633817A (en) | 2012-08-22 | 2012-08-22 | Stackable power adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210299932.1A CN103633817A (en) | 2012-08-22 | 2012-08-22 | Stackable power adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103633817A true CN103633817A (en) | 2014-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210299932.1A Pending CN103633817A (en) | 2012-08-22 | 2012-08-22 | Stackable power adapter |
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| Country | Link |
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| CN (1) | CN103633817A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111831046A (en) * | 2019-04-16 | 2020-10-27 | 联咏科技股份有限公司 | Output stage circuit and voltage stabilizer thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW522630B (en) * | 1999-11-30 | 2003-03-01 | Wafermasters Inc | Modular voltage adapter and method for using same |
| US20030178977A1 (en) * | 2002-03-20 | 2003-09-25 | Michael Wu | Voltage converter with selectable dc output voltage level |
| CN2696200Y (en) * | 2004-02-17 | 2005-04-27 | 维熹科技股份有限公司 | Power supply converter |
| CN101854117A (en) * | 2009-04-02 | 2010-10-06 | 康舒科技股份有限公司 | Power supply device and power supply switching assembly thereof |
| CN202721601U (en) * | 2012-08-22 | 2013-02-06 | 昆达电脑科技(昆山)有限公司 | Stacked power supply adapter |
-
2012
- 2012-08-22 CN CN201210299932.1A patent/CN103633817A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW522630B (en) * | 1999-11-30 | 2003-03-01 | Wafermasters Inc | Modular voltage adapter and method for using same |
| US20030178977A1 (en) * | 2002-03-20 | 2003-09-25 | Michael Wu | Voltage converter with selectable dc output voltage level |
| CN2696200Y (en) * | 2004-02-17 | 2005-04-27 | 维熹科技股份有限公司 | Power supply converter |
| CN101854117A (en) * | 2009-04-02 | 2010-10-06 | 康舒科技股份有限公司 | Power supply device and power supply switching assembly thereof |
| CN202721601U (en) * | 2012-08-22 | 2013-02-06 | 昆达电脑科技(昆山)有限公司 | Stacked power supply adapter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111831046A (en) * | 2019-04-16 | 2020-10-27 | 联咏科技股份有限公司 | Output stage circuit and voltage stabilizer thereof |
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Application publication date: 20140312 |