CN101246735A - Portable memory device - Google Patents
Portable memory device Download PDFInfo
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- CN101246735A CN101246735A CNA2007100852548A CN200710085254A CN101246735A CN 101246735 A CN101246735 A CN 101246735A CN A2007100852548 A CNA2007100852548 A CN A2007100852548A CN 200710085254 A CN200710085254 A CN 200710085254A CN 101246735 A CN101246735 A CN 101246735A
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- connectivity port
- memory device
- accumulator
- portable memory
- electrically connected
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Abstract
The present invention is a portable storage device, used for providing electric energy for electronic devices, comprising: a connecting port, a data storing unit, a control chip, a power accumulator, a charging circuit and a power connecting port. The control chip is electrically connected with the connecting port and the data storing unit, the charging circuit is electrically connected with the connecting port, the power accumulator and the power connecting port. When the portable storing device is used usually, the power accumulator can be charged by the charging circuit at the same time, thus having a power storage function. If necessary, the stored power inside of the portable storage device can be provided for other electronic devices, so that the electronic devices can be charged directly, the trouble that the electronic devices can not operate continually caused by battery shortage is avoided.
Description
Technical field
The present invention relates to a kind of portable memory device, relate in particular to a kind of portable memory device with the function of discharging and recharging.
Background technology
Along with the progress of science and technology, the memory storage that capacity is big, access speed is fast and stable, for example hard disk etc. becomes electronic product indispensable in the daily life.And because the needs of ease of use, memory storage only can not be installed in the host computer system as the tradition for another example, but need often carry, so industrial community is all at the various portable memory devices of develop actively.Present portable memory device also has use flash memory (flash memory) to store the kenel of numerical data except the hard disk kenel of using the magnetic disc is arranged.Because flash memory has low power consumption, little, the in light weight and unique storage of volume, and under the external impacts of moving for a long time and can not expecting, not only storing data can not damage, the storage data write more can not be affected, stability is higher, and therefore increasing portable memory device all adopts flash memory as main memory element.
Portable memory device the most widely uses with the USB portable memory device now.See also Fig. 1, it is the block schematic diagram of traditional portable memory device, as shown in the figure, tradition portable memory device 1 mainly comprises data storage cell 11, control chip 12 and usb connecting port 13, data storage cell 11 and control chip 12 are placed in the housing 14, and control chip 12 is electrically connected on usb connecting port 13 and data storage cell 11 respectively, and wherein usb connecting port 13 can be selected from A type, mini A type (Mini-A), mini Type B or mini AB type.Because, the not built-in battery of tradition portable memory device 1 with electric power storage ability, when using, the usb connecting port 13 of portable memory device 1 must be electrically connected on after computing machine or other have the electronic installation of usb connecting port, provide the power supply of about 5 volts (V) to give control chip 12 by usb connecting port 13 again, data storage cell 11 required power supplys are then provided by control chip 12 again, just can read and write portable memory device 1.
On the other hand, along with Progress in technique, the digital speech content integration that the dealer invariably will be abundanter, more high-quality is in more diversified electronic installation.But be the problem of the high power consumption of electronic installation thereupon, when especially using the consumer electronic device of compact battery, since the electric power storage power deficiency of compact battery, the problem that electronic installation can't continue to use with regard to unexpected generation electric power through the most important moment of being everlasting inadequately.With Related products such as MP3 players is example, the most normal use Ni-MH battery of generally being released on the market of MP3 player provides required power supply at present, yet, the power supply capacity that this battery can be stored just only can supply the MP3 player 6～12 hours reproduction time, after battery uses, if do not carry extra battery, just can't continue to use the MP3 player.
Therefore, comprehensive above disappearance if the portable memory device that often carries is designed to have the portable memory device of storage function, just can utilize portable memory device to provide power supply to need the electronic installation of power supply to other where necessary.Be with, how to develop a kind of portable memory device that improves above-mentioned disappearance with the function of discharging and recharging, real in pressing for the problem of positive solution and research at present.
Summary of the invention
The present invention is a kind of portable memory device, it is in order to provide electric energy to electronic installation, wherein add accumulator, charging circuit and power connector end mouth, make the portable memory device that often carries have storage function, at ordinary times in the process of using portable memory device, also can charging circuit be charged to accumulator, just can utilize portable memory device to provide power supply to need the electronic installation of power supply where necessary to other.
For reaching above-mentioned purpose, of the present invention one than the broad sense embodiment for a kind of portable memory device is provided, it is in order to provide electric energy to electronic installation, this portable memory device comprises: the connectivity port; Data storage cell is in order to the storage numerical data; Control chip is electrically connected on connectivity port and data storage cell respectively, with to data storage unit writes digital data; Accumulator is in order to storage of electrical energy; Charging circuit is electrically connected on connectivity port and accumulator, utilizes electric energy that the connectivity port provides to charging accumulator; The power connector end mouth is electrically connected on accumulator; Thus, when electronic installation was connected to the power connector end mouth, accumulator provided electric energy to electronic installation.
Of the present invention another than the broad sense embodiment for a kind of portable memory device is provided, it is in order to provide electric energy to electronic installation, this portable memory device comprises: the connectivity port; Data storage cell is in order to the storage numerical data; Control chip is electrically connected on connectivity port and data storage cell respectively, with to data storage unit writes digital data; Accumulator is in order to storage of electrical energy; Charging circuit is electrically connected on connectivity port and accumulator, utilizes electric energy that the connectivity port provides to charging accumulator; Electric pressure converter is electrically connected on charging circuit and accumulator, is converted to the magnitude of voltage that electronic installation is accepted in order to the magnitude of voltage with accumulator output; And the power connector end mouth, be electrically connected on electric pressure converter; Thus, when electronic installation was connected to the power connector end mouth, accumulator provided electric energy and electronic installation.
Of the present invention another than the broad sense embodiment for a kind of portable memory device is provided, it is in order to provide electric energy to electronic installation, this portable memory device comprises: the connectivity port; Data storage cell is in order to the storage numerical data; Control chip is electrically connected on connectivity port and data storage cell respectively, with to data storage unit writes digital data; Accumulator is in order to storage of electrical energy; Charging circuit is electrically connected on connectivity port, accumulator and control chip, utilizes electric energy that the connectivity port provides to charging accumulator, and wherein charging current is controlled by control chip; Electric pressure converter is electrically connected on charging circuit and accumulator, is converted to the magnitude of voltage that electronic installation is accepted in order to the magnitude of voltage with accumulator output; And the power connector end mouth, be electrically connected on electric pressure converter; Thus, when electronic installation was connected to the power connector end mouth, accumulator provided electric energy and electronic installation.
Description of drawings
Fig. 1 is the block schematic diagram of traditional portable memory device.
Fig. 2 is the block schematic diagram of portable memory device first preferred embodiment of the present invention.
Fig. 3 is the block schematic diagram of portable memory device second preferred embodiment of the present invention.
Fig. 4 is the block schematic diagram of portable memory device the 3rd preferred embodiment of the present invention.
[main element description of reference numerals]
1: portable memory device 11: data storage cell
12: control chip 13:USB connectivity port
21,31,41: data storage cell 14: housing
22,32,42: control chip 23,33,43: connectivity port
24,34,44: housing 25,35,45: charging circuit
27,37,47: voltage conversion circuit 26,36,46: accumulator
28,38,48: the power connector end mouth
2,3,4: portable memory device
Embodiment
Some exemplary embodiments that embody feature of the present invention and advantage will be described in detail in the explanation of back segment.Be understood that the present invention can have various variations with different schemes, it does not all depart from the scope of the present invention, and explanation wherein and the icon usefulness that ought explain in itself, but not in order to restriction the present invention.
See also Fig. 2, it is for the block schematic diagram of portable memory device first preferred embodiment of the present invention.As shown in the figure, the inside of portable memory device 2 of the present invention comprises data storage cell 21, control chip 22, connectivity port 23, charging circuit 25, accumulator 26 and voltage conversion circuit 27, wherein except that connectivity port 23, other element all is placed in the housing 24 of portable memory device 2.In embodiment, its connectivity port that needs to select for use USB interface connectivity port, 1394 interface connectivity ports or other general-purpose interface is looked in connectivity port 23, and data storage cell 21 is in order to the storage numerical data, and can adopt flash memory or hard disk, control chip 22 is electrically connected on connectivity port 23 and data storage cell 21 respectively, to control writes digital data by 22 pairs of data storage unit of control chip 21.When the connectivity port 23 of portable memory device 2 was electrically connected on computing machine or other electronic installation, connectivity port 23 can be transmitted power supplys and be given control chip 22, provided enough power supply to data storage cell 21 by control chip 22 again.Generally speaking, the needed voltage of flash memory can be lower than 5 volts, thus can make control chip 22 additionally have electric pressure converter in the design, to be the receptible voltage of flash memory with voltage transitions, for example 3.3 or 1.8 volts etc.
In addition, charging circuit 25 is electrically connected on connectivity port 23 and accumulator 26, therefore, when connectivity port 23 is electrically connected on computing machine or other electronic installation, connectivity port 23 is also transmitted identical power supply and is given charging circuit 25, this moment, charging circuit 25 can be accumulator 26 acceptable voltages with power source conversion just, and accumulator 26 is charged.Therefore, when using portable memory device 2 provided by the present invention, the power supply that is sent by connectivity port 23 not only can also can allow 25 pairs of accumulators 26 of charging circuit charge for control chip 22 uses simultaneously.In an embodiment, selecting for use and indefinite of accumulator 26 can be Ni-MH battery, lithium battery or lithium polymer battery etc.And voltage conversion circuit 27 is electrically connected on charging circuit 25 and accumulator 26 and power connector end mouth 28, owing to stored the part electric energy in the accumulator 26, when will providing electric energy, the user needs the electronic installation of electricity consumption to other, for example during the MP3 player, just can be MP3 player acceptable voltage with the voltage transitions of accumulator 26 by voltage conversion circuit 27, utilize 28 power supplies of power connector end mouth to give the MP3 player again.Wherein, power connector end mouth 28 select also indefinite for use, it can be the connectivity port of USB interface connectivity port, 1394 interface connectivity ports or other general-purpose interface.And the kind of connectivity port is indefinite also, and the act usb connecting port is an example, and A type, mini A type, mini Type B or mini AB type all can be applicable in the technology of the present invention.
Certainly, portable memory device of the present invention also can have other different variation in design.See also Fig. 3, it is the block schematic diagram of second preferred embodiment of portable memory device of the present invention.Wherein, the part that has described in detail in the above-mentioned instructions please be held this and repeat no more.As shown in the figure, the control chip 32 of portable memory device 3 of the present invention is except with data storage cell 31 and connectivity port 33 are electrically connected, also can be electrically connected with charging circuit 35, thus, the charging current of charging circuit 35 just can be by control chip 32 controls.For instance, when portable memory device 3 moves on USB 1.1 connecting interfaces, control chip 32 can be controlled the charging current of charging circuit 35 below 50mA, if when portable memory device 3 moved on USB 2.0 interfaces, the charging current of control chip 32 may command charging circuits 35 was below 300mA.So, when portable memory device 3 moves, just bigger charging current can be arranged on USB 2.0 connecting interfaces, so that the 36 required duration of charging of accumulator reduce relatively.See also Fig. 4, it is the block schematic diagram of the 3rd preferred embodiment of portable memory device of the present invention.As shown in the figure, charging circuit 45 also can be connected with control chip 42 and data storage cell 41 with accumulator 46, thus, when needs (for example when portable memory device still when other electric function of tool such as screen display or music playback function), just can directly provide power supply to control chip 42 and data storage cell 41 by charging circuit 45.
Therefore in sum, portable memory device of the present invention has charging circuit and accumulator, at ordinary times in the process of using portable memory device, also can charging circuit be charged to accumulator, thereby have storage function.Where necessary, just the inner institute of portable memory device electric energy stored can be offered the electronic installation that other needs electricity consumption by power connector, perhaps also can be by portable memory device provided by the present invention as charger, utilize the connectivity port that is had to be connected with main frame, make the electronic installation that will charge utilize power connector end mouth and portable memory device of the present invention to join again, in such event, just can directly charge to this electronic installation, can be again because of the battery deficiency, generation can't continue to use the puzzlement of electronic installation.
The present invention can carry out various modifications by those skilled in the art, yet does not all break away from the protection domain of claims.
Claims (18)
1. portable memory device, it is in order to provide electric energy to electronic installation, and this portable memory device comprises:
The connectivity port;
Data storage cell is in order to the storage numerical data;
Control chip is electrically connected on this connectivity port and this data storage cell respectively, with to this data storage cell writes digital data;
Accumulator is in order to storage of electrical energy;
Charging circuit is electrically connected on this connectivity port and this accumulator, utilizes electric energy that this connectivity port provides to this charging accumulator;
The power connector end mouth is electrically connected on this accumulator;
Thus, when this electronic installation was connected to this power connector end mouth, this accumulator provided electric energy to this electronic installation.
2. portable memory device as claimed in claim 1, wherein also comprise electric pressure converter, it is located between this accumulator and this power connector end mouth, and is electrically connected on this charging circuit, is converted to the magnitude of voltage that this electronic installation is accepted in order to the magnitude of voltage with this accumulator output.
3. portable memory device as claimed in claim 1, wherein this accumulator is Ni-MH battery, lithium battery or lithium polymer battery.
4. portable memory device as claimed in claim 1, wherein this data storage cell is hard disk or flash memory.
5. portable memory device as claimed in claim 1, wherein this connectivity port is USB1.0 interface connectivity port, USB1.1 interface connectivity port, USB2.0 interface connectivity port or 1394 interface connectivity ports.
6. portable memory device as claimed in claim 1, wherein this power connector end mouth is USB1.0 interface connectivity port, USB1.1 interface connectivity port, USB2.0 interface connectivity port or 1394 interface connectivity ports.
7. portable memory device, it is in order to provide electric energy to electronic installation, and this portable memory device comprises:
The connectivity port;
Data storage cell is in order to the storage numerical data;
Control chip is electrically connected on this connectivity port and this data storage cell respectively, with to this data storage cell writes digital data;
Accumulator is in order to storage of electrical energy;
Charging circuit is electrically connected on this connectivity port and this accumulator, utilizes electric energy that this connectivity port provides to this charging accumulator;
Electric pressure converter is electrically connected on this charging circuit and this accumulator, is converted to the magnitude of voltage that this electronic installation is accepted in order to the magnitude of voltage with this accumulator output; And
The power connector end mouth is electrically connected on this electric pressure converter;
Thus, when this electronic installation was connected to this power connector end mouth, this accumulator provided electric energy and this electronic installation.
8. portable memory device as claimed in claim 7, wherein this accumulator is Ni-MH battery, lithium battery or lithium polymer battery.
9. portable memory device as claimed in claim 7, wherein this data storage cell is hard disk or flash memory.
10. portable memory device as claimed in claim 7, wherein this connectivity port is USB1.0 interface connectivity port, USB1.1 interface connectivity port, USB2.0 interface connectivity port or 1394 interface connectivity ports.
11. portable memory device as claimed in claim 7, wherein this power connector end mouth is USB1.0 interface connectivity port, USB1.1 interface connectivity port, USB2.0 interface connectivity port or 1394 interface connectivity ports.
12. a portable memory device, it is in order to provide electric energy to electronic installation, and this portable memory device comprises:
The connectivity port;
Data storage cell is in order to the storage numerical data;
Control chip is electrically connected on this connectivity port and this data storage cell respectively, with to this data storage cell writes digital data;
Accumulator is in order to storage of electrical energy;
Charging circuit is electrically connected on this connectivity port, this accumulator and this control chip, utilizes electric energy that this connectivity port provides to this charging accumulator, and wherein charging current is by this control chip control;
Electric pressure converter is electrically connected on this charging circuit and this accumulator, is converted to the magnitude of voltage that this electronic installation is accepted in order to the magnitude of voltage with this accumulator output; And
The power connector end mouth is electrically connected on this electric pressure converter;
Thus, when this electronic installation was connected to this power connector end mouth, this accumulator provided electric energy and this electronic installation.
13. portable memory device as claimed in claim 12, wherein this control chip has electric pressure converter, is the receptible voltage of data storage cell in order to the voltage transitions with the connectivity port.
14. portable memory device as claimed in claim 12, wherein this charging circuit also is electrically connected with this control chip and this data storage cell, and provides power supply to this control chip and this data storage cell.
15. portable memory device as claimed in claim 12, wherein this accumulator is Ni-MH battery, lithium battery or lithium polymer battery.
16. portable memory device as claimed in claim 12, wherein this data storage cell is hard disk or flash memory.
17. portable memory device as claimed in claim 12, wherein this connectivity port is USB1.0 interface connectivity port, USB1.1 interface connectivity port, USB2.0 interface connectivity port or 1394 interface connectivity ports.
18. portable memory device as claimed in claim 12, wherein this power connector end mouth is USB1.0 interface connectivity port, USB1.1 interface connectivity port, USB2.0 interface connectivity port or 1394 interface connectivity ports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100852548A CN101246735A (en) | 2007-02-16 | 2007-02-16 | Portable memory device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100852548A CN101246735A (en) | 2007-02-16 | 2007-02-16 | Portable memory device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101246735A true CN101246735A (en) | 2008-08-20 |
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ID=39947121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100852548A Pending CN101246735A (en) | 2007-02-16 | 2007-02-16 | Portable memory device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101246735A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102117643A (en) * | 2010-01-06 | 2011-07-06 | 宇瞻科技股份有限公司 | Portable storage device with input function |
| CN102445958A (en) * | 2010-10-09 | 2012-05-09 | 宇瞻科技股份有限公司 | Electronic system sharing power supply and information storage space |
| CN102629774A (en) * | 2012-04-18 | 2012-08-08 | 北京人本幸福科技文化有限公司 | Charging vehicle |
| CN104638708A (en) * | 2013-11-15 | 2015-05-20 | 鸿富锦精密电子(天津)有限公司 | Portable electronic device |
-
2007
- 2007-02-16 CN CNA2007100852548A patent/CN101246735A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102117643A (en) * | 2010-01-06 | 2011-07-06 | 宇瞻科技股份有限公司 | Portable storage device with input function |
| CN102445958A (en) * | 2010-10-09 | 2012-05-09 | 宇瞻科技股份有限公司 | Electronic system sharing power supply and information storage space |
| CN102629774A (en) * | 2012-04-18 | 2012-08-08 | 北京人本幸福科技文化有限公司 | Charging vehicle |
| CN104638708A (en) * | 2013-11-15 | 2015-05-20 | 鸿富锦精密电子(天津)有限公司 | Portable electronic device |
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Open date: 20080820 |