CN101581953B - Expansion card for external storage device - Google Patents
Expansion card for external storage device Download PDFInfo
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- CN101581953B CN101581953B CN2008100965521A CN200810096552A CN101581953B CN 101581953 B CN101581953 B CN 101581953B CN 2008100965521 A CN2008100965521 A CN 2008100965521A CN 200810096552 A CN200810096552 A CN 200810096552A CN 101581953 B CN101581953 B CN 101581953B
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- storage device
- external storage
- data transmission
- circuit board
- transmission interface
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Abstract
The invention discloses an expansion card for an external storage device, which mainly contains a circuit board and also contains an input end power socket, an output end power socket, a transformation cell, an input end data transmission interface and an output end data transmission interface which are arranged on the circuit board, wherein a flaky fixed part of the circuit board can be inserted into a bus slot of a mainboard to fix the expansion card, but the expansion card is not electrically connected with a bus of the mainboard. When the expansion card in operation, the input end power socket is utilized to receive the power source of a power supply, the power source is transmitted to the external storage device through the output end power socket after transformation, and meanwhile, the data from a storage device data transmission interface of the mainboard is received through the input end data transmission interface and transferred to the external storage device through the output end data transmission interface.
Description
Technical field
The invention relates to a kind of expansion board, refer to be used for the expansion board of external storage device especially.
Background technology
In the external interface of computing machine; Slow printer interface (Print port) is arranged; The USB (USB) 2.0 that rapid speed is also arranged more has speed to block (ExpressCard) interface up to the IEEE 1394 (1394 cards of U.S. electric and electronics engineers standardization body) of 1Gbps and up to the extremely speed of 2.5Gbps.
USB and IEEE1394 relatively, evident difference is that both are different on transfer rate.In the past, much human all can select for use IEEE1394 to make transfer files usefulness, because fast hundred times of its throughput ratio USB1.1 versions.The transfer rate of USB has only 12Mbps/s now, can only connect low-speed devices such as keyboard, mouse and microphone, and IEEE1394A can use 400Mbap/s, can be used for connecting the equipment that digital camera, scanner and information household appliances etc. need two-forty.And afterwards, released USB2.0, though catch up with IEEE1394A to some extent, the flow of IEEE1394B, IEEE1394C can also increase to 1G.
As for ExpressCard; Be that the ExpressCard that has arrived continuity then is the framework and system chipset binding that comprehensively changes with PCI Express and USB2.0 with the framework of PCI (interconnecting bus devices for peripheral equipment) transmission data (more early the PCMICA of generation 8-Bit even also walk the specification of ISA (Industry Standard Architecture)) then from script PCMCIA (PCMCIA).Under the pattern of USB2.0, transmission speed can reach 480Mbps, but under PCI Express pattern; Can be under the pattern of Dual-Simpex; Reach the transmission speed of 2.5Gbps, this almost just has been equal to the transmission standard of SATA, even does not also get rid of the possibility that is developed to 4Gbps.
IEEE1394, ExpressCard are the interfaces of integrating power supply and data, make relative external storage device and accept the data access of host side except being able to, and also need not consider the problem of power supply.Though so, whether IEEE1394, ExpressCard can popularize, adopt and widely the consumer is popular, all also be a unknown number.
In order to provide at a high speed and the external storage device of having popularized; Especially itself still do not support the storage device data transmission interface (for example SATA) of external kenel; How must to consider from main frame data transmission to external storage device; Simultaneously also must consider the voltage attenuation problem, so that realize support for external storage device.
In prior art, Taiwan patent announcement number M250212 number " power supply transfer module " has been considered the transformation design, makes storage device be able to obtain appropriate voltage, and by access data.But the storage device that this prior art is supported still belongs to inner, but not external storage device.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of expansion board that is used for external storage device; Do not changing under original any design and the structure; Main utilization can be fixed on the circuit board on the bus slot; To transfer to external storage device from the electric power of power supply unit and from the transmission signal of motherboard, and realize support for external storage device.
Based on above-mentioned purpose; The present invention provides a kind of expansion board that is used for external storage device; To this external storage device electric power and its stored data of access are provided, and can be fixed on the bus slot on the motherboard of being located in the computer housing, have a storage device data transmission interface on this motherboard at least; This computer housing has a power supply unit at least; This expansion board comprises: a circuit board has a sheet fixed part, the thickness of this sheet fixed part and big corresponding this bus slot that is inserted on this motherboard of I; One input end power socket is set on this circuit board, and can be electrically connected to the said power supply unit of this computer housing through one first power cable; One output end power seat is set on this circuit board, and can be electrically connected to a power input of this external storage device through one second power cable; One voltage transformation unit; Be arranged on this circuit board; And be electrically connected to this input end power socket and this output end power seat; And according to the electricity needs of this external storage device, and heighten or turn down voltage from this input end power socket, and through this output end power seat output through adjusted electric power to this external storage device; One input end data transmission interface is set on this circuit board, and can be electrically connected to the said storage device data transmission interface of this motherboard through one first transmission yarn; One output terminal data transmission interface is set on this circuit board, and is electrically connected to this input end data transmission interface, and can be electrically connected to a data input pin of this external storage device through one second transmission yarn.
In expansion board according to the invention, the sheet fixed part of circuit board can insert on the bus slot of motherboard, makes expansion board be fixed, but with the motherboard bus electrical connection is not arranged.When running; Utilize the input end power socket to accept the power supply of power supply unit; And through transformation after be transferred to external storage device by the output end power seat; Borrowing the input end data transmission interface to receive data simultaneously from the storage device data transmission interface of motherboard, and via output terminal data transmission interface transfer of data to external storage device.
Beneficial effect of the present invention is; Said expansion board; Can not change original any design and structure; Utilization can be fixed on the circuit board on the bus slot, will transfer to external storage device from the electric power of power supply unit and from the transmission signal of motherboard, thus can be from main frame with data transmission to external storage device; Simultaneously also consider the voltage attenuation problem, voltage transformation unit is set,, heighten or turn down voltage, so that realize support for external storage device from the input end power socket according to the electricity needs of external storage device.
Can graphicly further be understood through following detailed Description Of The Invention and appended about advantage of the present invention and spirit.
Description of drawings
Fig. 1 is the synoptic diagram that is used for the expansion board of external storage device according to the invention;
Fig. 2 is the enforcement synoptic diagram that is used for the expansion board of external storage device according to the invention.
Main component symbol description
5 expansion boards
10 circuit boards
10a sheet fixed part
10b inverted L shape fixed mount
12 input end power sockets
14 voltage transformation unit
16 output end power seats
18 input end data transmission interfaces
20 output terminal data transmission interfaces
22 computer housings
24 power supply units
26 motherboards
The 26a bus slot
26b storage device data transmission interface
28a～28b power cable
30a～30b transmission yarn
32 external storage devices
The 32a data input pin
The 32b power input
Embodiment
See also Fig. 1, the expansion board 5 that the present invention is used for external storage device consists predominantly of circuit board 10 and is arranged on input end power socket 12, output end power seat 16, voltage transformation unit 14, input end data transmission interface 18, the output terminal data transmission interface 20 on the circuit board 10.Wherein, the edge of circuit board 10 also is provided with a sheet fixed part 10a, and the thickness of this sheet fixed part 10a corresponding to the bus slot 26a on the motherboard 26 (as shown in Figure 2), makes sheet fixed part 10a to insert wherein with big or small.
In simple terms; Do not changing under the original design of computer housing; Do not change under the original design of motherboard 26 yet; In order to make expansion board 5 of the present invention can be fixed on the computer housing 22; The expansion board 5 that the present invention is used for external storage device has as general expansion board (for example display card) and is used for being mounted to required sheet fixed part 10a of main frame and inverted L shape fixed mount 10b (it is additional to belong to selectivity), but sheet fixed part 10a of the present invention does not have the conducting terminal that is used for electrically connecting, and only as the assembly that is fixed on bus slot.In addition; Expansion board 5 of the present invention utilizes as the socket that is had on the storage device (being input end power socket 12, input end data transmission interface 18); Can receive from the electric power of power supply unit 24 (as shown in Figure 2) and from the transmission signal of motherboard 26; Can also it be transferred to external storage device 32, and realize support for external storage device.Below, will specify and how realize above-mentioned functions.
See also Fig. 2, in aforementioned calculation machine casing 22, have motherboard 26 and power supply unit 24.Power supply unit 24 can provide 12V and 5V electric power.26 of motherboards have bus slot 26a and storage device data transmission interface 26b at least.32 of said external storage devices have power input 32b, data input pin 32a at least.Bus slot 26a can be AGP (AGP), PCI Express, PCI (interconnecting bus devices for peripheral equipment interface), ISA (Industry Standard Architecture interface), EISA (extension type Industry Standard Architecture interface), LPC (low pin count order interface).Storage device data transmission interface 26b can be micro-minicomputer interface (Small Computer System Interface; SCSI), a fibre channel interface (FibreChannel Interface; FC), a string type storage shelf structure (Serial Storage Architecture; SSA), an ide (Integrated Drive Electronics; IDE), a PCMCIA (Personal Computer Memory Card International Association, PCMCIA) interface, serial ATA interface (Serial ATA (SATA)), Parallel ATA interface (Parallel ATA (PATA)).
When expansion board 5 of the present invention is installed; Aim at the bus slot 26a on the motherboard 26 with sheet fixed part 10a; And sheet fixed part 10a is inserted among the bus slot 26a; The screw hole (not shown) that is provided with on the L type fixed mount 10b then can be aimed at the screw hole on the computer housing 22, then utilizes screw positively expansion board 5 to be fixed on the computer housing 22.After accomplishing installation expansion board 5, just need connect up the cable of required connection all.
When connecting power lead, as shown in Figure 2, utilize the first power cable 28a to electrically connect power supply unit 24 and input end power socket 12, and utilize the second power cable 28b to electrically connect the power input 32b and the output end power seat 16 of external storage device 32.When connecting data line; Utilize the first transmission yarn 30a to be electrically connected to the storage device data transmission interface 26b and the input end data transmission interface 18 of motherboard 26, and utilize data input pin 32a and the output terminal data transmission interface 20 that electrically connects external storage device 32 through the second transmission yarn 30b.Wherein, input end data transmission interface 18 directly electrically connects with output terminal data transmission interface 20, and input end power socket 12 then electrically connects via voltage transformation unit 14 with output end power seat 16 indirectly.After accomplishing the cable connection, expansion board 5 just can come into operation.
When running; Expansion board 5 according to the invention utilizes input end power socket 12 to accept the power supply of power supply unit 24; And after the transformation of voltage transformation unit 14; Be transferred to external storage device 32 via output end power seat 16, receive data through input end data transmission interface 18 simultaneously from the storage device data transmission interface 26b of motherboard 26, and via output terminal data transmission interface 20 transfer of data to external storage device 32.
During operating, voltage transformation unit 14 can be according to the electricity needs of external storage device 32, and heightens or turn down the voltage from input end power socket 12, and through 16 outputs of output end power seat through adjusted electric power to external storage device 32.For instance; Power supply is easy to cause the loss of voltage after the first power cable 28a of long distance transmission, therefore need the part of forethought to the loss of voltage; Improve voltage in advance a little, so that the actual voltage that is sent to external storage device 32 is enough to start external storage device 32.In other words; When if the length of the first power cable 28a is 3 meters; Its voltage attenuation that possibly cause is 0.6V (resistance is 0.2 nurse difficult to understand), so voltage transformation unit 14 need improve the voltage of input end power socket 12 after the 0.6V, just exports external storage device 32 to from output end power seat 16.
Through the detailed description of above preferred embodiment, only hope to know more and describe characteristic of the present invention and spirit, and be not to come scope of the present invention is limited with the above-mentioned preferred embodiment that is disclosed.On the contrary, its objective is that hope can contain within the scope of being arranged in of various changes and tool equality institute of the present invention desire protection.
Claims (4)
1. expansion board that is used for external storage device; It is characterized in that; To this external storage device electric power and its stored data of access are provided, and can be fixed on the bus slot on the motherboard of being located in the computer housing, have a storage device data transmission interface on this motherboard at least; This computer housing has a power supply unit at least, and this expansion board comprises:
One circuit board has a sheet fixed part, the thickness of this sheet fixed part and big corresponding this bus slot that is inserted on this motherboard of I;
One input end power socket is set on this circuit board, and can be electrically connected to the said power supply unit of this computer housing through one first power cable;
One output end power seat is set on this circuit board, and can be electrically connected to a power input of this external storage device through one second power cable;
One voltage transformation unit; Be arranged on this circuit board; And be electrically connected to this input end power socket and this output end power seat; And according to the electricity needs of this external storage device, and heighten or turn down voltage from this input end power socket, and through this output end power seat output through adjusted electric power to this external storage device;
One input end data transmission interface is set on this circuit board, and can be electrically connected to the said storage device data transmission interface of this motherboard through one first transmission yarn;
One output terminal data transmission interface is set on this circuit board, and is electrically connected to this input end data transmission interface, and can be electrically connected to a data input pin of this external storage device through one second transmission yarn.
2. the expansion board that is used for external storage device as claimed in claim 1 is characterized in that, said sheet fixed part does not have conducting terminal, and this circuit board can't be electrically connected to this motherboard via this bus slot.
3. the expansion board that is used for external storage device as claimed in claim 1 is characterized in that said power supply unit can provide the electric power of 12V and 5V.
4. the expansion board that is used for external storage device as claimed in claim 1; It is characterized in that; Said expansion board has an inverted L shape fixed mount; On this inverted L shape fixed mount, be provided with a screw hole, and when this expansion board was fixed to this bus slot, this screw hole was aimed at set screw hole on this computer housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100965521A CN101581953B (en) | 2008-05-16 | 2008-05-16 | Expansion card for external storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100965521A CN101581953B (en) | 2008-05-16 | 2008-05-16 | Expansion card for external storage device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101581953A CN101581953A (en) | 2009-11-18 |
| CN101581953B true CN101581953B (en) | 2012-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100965521A Expired - Fee Related CN101581953B (en) | 2008-05-16 | 2008-05-16 | Expansion card for external storage device |
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| CN (1) | CN101581953B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105786099B (en) * | 2014-12-26 | 2019-03-15 | 鸿富锦精密工业(武汉)有限公司 | Adapter |
| CN110908944B (en) * | 2018-09-14 | 2021-10-01 | 瑞昱半导体股份有限公司 | High-speed interface connecting device and method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1841271A (en) * | 2005-03-31 | 2006-10-04 | 台均科技（深圳）有限公司 | Dual-interface memory card reading and writing device |
-
2008
- 2008-05-16 CN CN2008100965521A patent/CN101581953B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1841271A (en) * | 2005-03-31 | 2006-10-04 | 台均科技（深圳）有限公司 | Dual-interface memory card reading and writing device |
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| Publication number | Publication date |
|---|---|
| CN101581953A (en) | 2009-11-18 |
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Effective date of registration: 20170607 Address after: No. 3, No. 10, development avenue, new industrial park, hi tech Zone, Shaanxi, Xi'an Patentee after: XI'AN MOREBECK SEMICONDUCTOR TECHNOLOGY CO., LTD. Address before: Ontario, Canada Patentee before: Liang Guoen |
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Granted publication date: 20120718 Termination date: 20190516 |
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| CF01 | Termination of patent right due to non-payment of annual fee |