CN201993708U - Portable-type keyboard - Google Patents
Portable-type keyboard Download PDFInfo
- Publication number
- CN201993708U CN201993708U CN2011200326116U CN201120032611U CN201993708U CN 201993708 U CN201993708 U CN 201993708U CN 2011200326116 U CN2011200326116 U CN 2011200326116U CN 201120032611 U CN201120032611 U CN 201120032611U CN 201993708 U CN201993708 U CN 201993708U
- Authority
- CN
- China
- Prior art keywords
- keyboard
- portable
- rechargeable battery
- interface
- module
- 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 - Fee Related
Links
Images
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a portable-type keyboard, which comprises a keyboard main body, a rechargeable battery, a DC/DC (Direct Current/Direct Current) module and an output interface, wherein the rechargeable battery is arranged in the keyboard main body, and the output interface is arranged on the keyboard main body; and the input end of the DC/DC module is connected with the rechargeable battery, the output end of the DC/DC module is connected with the output interface, and the voltage/current parameter output by the DC/DC module is 5V/500mA. Compared with the prior art, the portable-type keyboard has the beneficial effects that: since a power output circuit and the output interface are additionally arranged in the portable-type keyboard, other electronic equipment can be conveniently charged/electrified by utilizing the rechargeable battery in the portable-type keyboard.
Description
Technical field
The utility model relates to a kind of portable keyboard.
Background technology
The charger that existing portable electric appts is equipped with is as the electric weight input end mostly with the 220V power supply.Requirement to power supply is very high, cause the electric weight between the different electronic equipments to change, and at the riding vehicles or in public environment such as scenic spot, park, supermarket, be difficult to the 220V power supply use is provided, influence electronic equipment and when electric weight is not enough, work on.One of scheme that overcomes the above problems is that the polylith battery electric quantity is full of, and carries to go out standbyly, but cost is higher, carries inconvenience.
Simultaneously, along with popularizing of the electronic equipment of full touch-screen, use the portable keyboard of rechargeable battery power supply to obtain market widely, but the portable keyboard of prior art does not all have the ability of external electromotive power output, can't be other power electronic equipment.
Summary of the invention
Technical problem to be solved in the utility model is, a kind of portable keyboard is provided, and has externally the ability of filling/powering.
Technical matters of the present utility model is solved by following technological means:
A kind of portable keyboard comprises keyboard body and is arranged on the interior rechargeable battery of described keyboard body, wherein: also comprise DC/DC module and the output interface that is arranged on the described keyboard body; The input end of described DC/DC module is connected with described rechargeable battery, output terminal is connected with described output interface, and the voltage/current parameter of described DC/DC module output is 5 volts/500 milliamperes.
Preferably, described output interface is a USB interface.
Preferably, described portable keyboard also comprises input interface and the charging circuit that is arranged in the described keyboard body; The input end of described charging circuit is connected with described input interface, output terminal is connected with described rechargeable battery.
Preferably, described portable keyboard is a Wireless Keyboard.
Preferably, described portable keyboard also comprises the feed circuit module, also is provided with the power supply interface into the external electronic device power supply on the described keyboard body, and the input end of described feed circuit module is connected with described rechargeable battery, output terminal is connected with described power supply interface.
The beneficial effect that the utility model is compared with the prior art is: set up power output circuit and output interface in portable keyboard, can utilize the rechargeable battery in the portable keyboard that other electronic equipments are filled power supply easily.
Description of drawings
Fig. 1 is the circuit block diagram of the utility model embodiment.
Embodiment
The contrast accompanying drawing also is explained in detail the utility model in conjunction with the preferred embodiments below.
The major function of portable keyboard of the present utility model is same as the prior art, the utility model be on the basis of existing technology keyboard integrated discharge and recharge function.
Be illustrated in figure 1 as the circuit block diagram that is used to realize discharging and recharging function in the portable keyboard of present embodiment.
One end of the keyless portable disc main body 1 of present embodiment is provided with input interface 2, and the end that this input interface 2 exposes to the keyless portable disc main body is used for being connected with external power source by the USB line, and this external power source can be the USB interface of computer or the USB interface of charger; The other end of input interface 2 is connected with the input end of the charging circuit that is arranged on keyless portable disc main body 1 inside, the output terminal of this charging circuit is connected with the rechargeable battery of portable keyboard, and it is to charge for rechargeable battery after the required parameter of rechargeable battery that charging circuit is used for parameter adjustments such as the voltage of the electric power of external power source input, electric currents; Described rechargeable battery also is connected with the input end of the DC/DC module that is arranged on keyless portable disc main body 1 inside, the output terminal of this DC/DC module is connected with the output interface 3 of an end that is arranged on keyless portable disc main body 1, and described DC/DC module is used for externally powering by described output interface 3 after output with rechargeable battery is adjusted into voltage/circuit parameter and is 5 volts/500 milliamperes; Described output interface 3 can comprise a plurality of, and its interface type can be types such as USB, miniUSB.
Because most portable electric appts all adopts 5 volts/500 milliamperes input as charge power supply, therefore, as long as electronic equipment to be charged is connected with the output interface of portable keyboard of the present utility model, just can utilize the rechargeable battery of keyboard to charge by data line.
In the practice, also can in keyboard, set up the feed circuit module, and power supply interface is set on keyboard body, the input end of described feed circuit module is connected with described supplying cell, output terminal connects described power supply interface, utilize feed circuit that the rechargeable battery electric energy stored directly is converted to the working power of external electronic device (for example PDA), export to the external electronic device power supply with power lead.This power supply interface can adopt USB interface.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of ordinary skill in the field; under the prerequisite that does not break away from the utility model design; can also make some being equal to substitutes or obvious modification, and performance or purposes are identical, all should be considered as belonging to protection domain of the present utility model.
Claims (5)
1. a portable keyboard comprises keyboard body and is arranged on the interior rechargeable battery of described keyboard body, it is characterized in that: comprise that also the output voltage parameter is 5 volts/500 milliamperes a DC/DC module and the output interface that is arranged on the described keyboard body; The input end of described DC/DC module is connected with described rechargeable battery, output terminal is connected with described output interface.
2. portable keyboard according to claim 1 is characterized in that: described output interface is a USB interface.
3. portable keyboard according to claim 1 is characterized in that: also comprise the input interface and the charging circuit that are arranged in the described keyboard body; The input end of described charging circuit is connected with described input interface, output terminal is connected with described rechargeable battery.
4. according to any described portable keyboard of claim 1-3, it is characterized in that: described portable keyboard is a Wireless Keyboard.
5. according to any described portable keyboard of claim 1-3, it is characterized in that, described portable keyboard also comprises the feed circuit module, also be provided with the power supply interface into the external electronic device power supply on the described keyboard body, the input end of described feed circuit module is connected with described rechargeable battery, output terminal is connected with described power supply interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200326116U CN201993708U (en) | 2011-01-30 | 2011-01-30 | Portable-type keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200326116U CN201993708U (en) | 2011-01-30 | 2011-01-30 | Portable-type keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201993708U true CN201993708U (en) | 2011-09-28 |
Family
ID=44670191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200326116U Expired - Fee Related CN201993708U (en) | 2011-01-30 | 2011-01-30 | Portable-type keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201993708U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017132915A1 (en) * | 2016-02-04 | 2017-08-10 | 孙华 | Usb power-saving keyboard |
-
2011
- 2011-01-30 CN CN2011200326116U patent/CN201993708U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017132915A1 (en) * | 2016-02-04 | 2017-08-10 | 孙华 | Usb power-saving keyboard |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203368093U (en) | Mobile power supply sharing charging and discharging interfaces | |
| CN102301562A (en) | Portable auxiliary power-source device for a vehicle | |
| CN201993708U (en) | Portable-type keyboard | |
| CN204012788U (en) | Portable integrated portable power source | |
| CN207819492U (en) | A kind of management of charging and discharging device of rechargeable battery | |
| CN201038801Y (en) | Mobile electricity supply apparatus | |
| CN203086222U (en) | Self-charging portable power source | |
| CN202395482U (en) | Multifunctional mobile solar energy power supply | |
| CN205186391U (en) | Solar car basket device | |
| CN202550648U (en) | Power adapter with function of electric energy storage | |
| CN204905974U (en) | Vehicle charger | |
| CN206790356U (en) | Vehicle-mounted energy storage power device | |
| CN202513612U (en) | Mobile charger | |
| CN202749874U (en) | Rapid charging device for storage battery | |
| CN201087928Y (en) | Booster battery with boosting battery core | |
| CN202333910U (en) | Automobile standby charge power supply capable of displaying electric quantity | |
| CN202634019U (en) | Mine storage battery charge-discharge monitoring system | |
| CN203761092U (en) | Portable power supply capable of enhancing conversion rate | |
| CN202696210U (en) | Multi-plug charger | |
| CN202424248U (en) | Solar charger | |
| CN102570550A (en) | Solar charger | |
| CN205092628U (en) | Device that charge is carried out computer through USB interface | |
| CN206023268U (en) | Borrow the charger for mobile phone that motorcycle power source charges | |
| CN202997623U (en) | Charger | |
| CN202737488U (en) | Mobile power supply |
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: 20110928 Termination date: 20170130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |