CN102854967A - Power supply for safety keyboard - Google Patents
Power supply for safety keyboard Download PDFInfo
- Publication number
- CN102854967A CN102854967A CN2012103234806A CN201210323480A CN102854967A CN 102854967 A CN102854967 A CN 102854967A CN 2012103234806 A CN2012103234806 A CN 2012103234806A CN 201210323480 A CN201210323480 A CN 201210323480A CN 102854967 A CN102854967 A CN 102854967A
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- China
- Prior art keywords
- safety keyboard
- power supply
- charger
- keyboard
- data line
- 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.)
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Abstract
The invention discloses a power supply for a safety keyboard, and the power supply comprises a charger of mobile electronic equipment, a USB (universal series bus) interface and a data line used for connecting the USB interface with the circuit board of the safety keyboard. A power line in the data line is accessed into the circuit board of the safety keyboard. The power supply for the safety keyboard is simple in structure, is convenient to carry, can realize transformation by fully utilizing the charger of the mobile electronic equipment, meets user requirement of the actual safety keyboard and can be used for improving the economic benefit.
Description
Technical field
The present invention relates to the power supply of safety keyboard.
Background technology
The direct supply of the upper use of circuit board mostly is 5V at present, 12V's and so on, the power supply that a lot of people adopt chamber to provide, or special-purpose stabilized voltage supply.Because chamber, stabilized voltage supply are larger, and be very inconvenient when debugging circuit board, also is not easy to carry.
Summary of the invention
The power supply that the purpose of this invention is to provide a kind of safety keyboard, power supply brings when reducing debug circuit trouble and inconvenience utilize the USB line of charger for mobile phone to transform the device of 5V direct supply as.
The present invention is achieved through the following technical solutions: the power supply of this safety keyboard comprises mobile electronic equipment charger, the USB interface that is connected with this mobile electronic equipment charger, the data line of connection USB interface and safety keyboard circuit board.
Power lead in the data line and ground wire access security keyboard pcb.
Beneficial effect: the present invention is simple in structure, be easy to carry, and the charger that can take full advantage of the electronics mobile device is transformed, and has satisfied the user demand of actual safety keyboard, has improved economic benefit.
Description of drawings
In order to be easy to explanation, the present invention is done to describe in detail by following specific embodiment and accompanying drawing.
Fig. 1 is structural representation of the present invention.
Embodiment
As shown in Figure 1, the power supply of this safety keyboard comprises mobile electronic equipment charger 1, the USB interface 2 that is connected with this mobile electronic equipment charger 1, the data line 4 of connection USB interface 2 and safety keyboard circuit board 3.Power lead in the data line 4 and ground wire access security keyboard pcb 3.
Take waste and old charger for mobile phone as example, waste and old charger for mobile phone is got involved the 220V alternating current in the present embodiment, after USB interface 2 conversions, form the direct current of 5V between blue white two colo(u)r streaks in the data line 4, access security keyboard pcb 3 is for it.Some USB interface are 5 lines, behind the alternating current of charger for mobile phone access 220V, carefully detect in twos with multimeter, can obtain the direct supply of 5V.
The present invention is simple in structure, be easy to carry, and the charger that can take full advantage of the electronics mobile device is transformed, and has satisfied the user demand of actual safety keyboard, has improved economic benefit.
The above be the specific embodiment of the present invention only, but protection scope of the present invention is not limited to this, and any variation or replacement of expecting without creative work all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited.
Claims (2)
1. the power supply of a safety keyboard is characterized in that: comprise mobile electronic equipment charger (1), the USB interface (2) that is connected with this mobile electronic equipment charger (1), the data line (4) of connection USB interface (2) and safety keyboard circuit board (3).
2. the power supply of safety keyboard according to claim 1 is characterized in that: the power lead in the data line (4) and ground wire access security keyboard pcb (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103234806A CN102854967A (en) | 2012-09-05 | 2012-09-05 | Power supply for safety keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103234806A CN102854967A (en) | 2012-09-05 | 2012-09-05 | Power supply for safety keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102854967A true CN102854967A (en) | 2013-01-02 |
Family
ID=47401610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103234806A Pending CN102854967A (en) | 2012-09-05 | 2012-09-05 | Power supply for safety keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102854967A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1367564A (en) * | 2000-10-12 | 2002-09-04 | 索尼国际(欧洲)股份有限公司 | Charging circuit for charging mobile terminal by using USB interface |
| CN2788435Y (en) * | 2005-04-06 | 2006-06-14 | 杭州波导软件有限公司 | Power supply adapter with USB interface |
| JP2008090339A (en) * | 2006-09-29 | 2008-04-17 | Fujitsu Ltd | Power control circuit of subsystem, and subsystem |
| CN202749871U (en) * | 2012-09-05 | 2013-02-20 | 健雄职业技术学院 | Power supply for safe keyboard |
-
2012
- 2012-09-05 CN CN2012103234806A patent/CN102854967A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1367564A (en) * | 2000-10-12 | 2002-09-04 | 索尼国际(欧洲)股份有限公司 | Charging circuit for charging mobile terminal by using USB interface |
| CN2788435Y (en) * | 2005-04-06 | 2006-06-14 | 杭州波导软件有限公司 | Power supply adapter with USB interface |
| JP2008090339A (en) * | 2006-09-29 | 2008-04-17 | Fujitsu Ltd | Power control circuit of subsystem, and subsystem |
| CN202749871U (en) * | 2012-09-05 | 2013-02-20 | 健雄职业技术学院 | Power supply for safe keyboard |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130102 |