CN201130372Y - Hard disk external circuit as well as hard disk apparatus using the same - Google Patents
Hard disk external circuit as well as hard disk apparatus using the same Download PDFInfo
- Publication number
- CN201130372Y CN201130372Y CNU2007201708709U CN200720170870U CN201130372Y CN 201130372 Y CN201130372 Y CN 201130372Y CN U2007201708709 U CNU2007201708709 U CN U2007201708709U CN 200720170870 U CN200720170870 U CN 200720170870U CN 201130372 Y CN201130372 Y CN 201130372Y
- Authority
- CN
- China
- Prior art keywords
- hard disk
- usb interface
- bridging chip
- unit
- control unit
- 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
Abstract
The utility model discloses an external circuit for hard disk and a hard disk device using the external circuit for hard disks, wherein, the hard disk device comprises a hard disk and an external circuit for hard disk connected with the hard disk. The external circuit for hard disk comprises a bridged chip for converting data signal between ATA or SATA interface and USB interface, a power control unit connected with the bridged chip and a USB interface connected with the power control unit; the USB interface is connected on the hard disk through the bridged chip. Due to the external circuit for hard disk with bridged chip, data signal of ATA or SATA interface can be converted into data signal of USB interface through the bridged chip and can be connected on the host through the USB interface. The external circuit for hard disk has the advantages that: the USB interface enables stable support upon hot-plug performance, therefore, restart of the host is not needed for the hard disk device with the external circuit for hard disk; ATA or SATA interface does not need to be plugged frequently, thereby facilitating the access and use of the hard disk data.
Description
Technical field
The utility model relates to the hard-disc storage field, in particular, relates to a kind of external hard disk circuit and has used the hard disk unit of this external hard disk circuit.
Background technology
The interface that hard disk now and mainboard communicate is generally ata interface or is the SATA interface.Will use such hard disk, user earlier shutdown open cabinet temporarily, hard disk is connected data line, power lead after, master and slave dish attribute is set after, the start operation is used again.And, then still need shutdown earlier to open cabinet if this hard disk will be disassembled again, and pull out data line, power lead, use very inconvenience.
And ata interface or SATA interface stitch are intensive, and regular plugs it, and ata interface or SATA interface are easy to infringement, can influence the serviceable life of hard disk.
The utility model content
For overcoming above-mentioned defective, technical problem to be solved in the utility model provides a kind of hard disk unit that makes hard disk use convenient external hard disk circuit and used above-mentioned external hard disk circuit.
The purpose of this utility model is achieved through the following technical solutions:
A kind of external hard disk circuit, it comprises: be used for bridging chip, power control unit that is connected with bridging chip and the USB interface that is connected with power control unit that the data-signal of ATA or SATA interface and USB interface data-signal are changed, described USB interface is connected on the hard disk by bridging chip.
Described power control unit comprises the power distribution module, described power distribution module will by USB interface provide+5V voltage distribution one-tenth+3.3V voltage be bridging chip power supply and+5V voltage is the hard disk power supply.
Described power control unit also comprises bridge joint Voltage stabilizing module and hard disk Voltage stabilizing module, and described bridge joint Voltage stabilizing module is connected between power distribution module and the bridging chip; Described hard disk Voltage stabilizing module is arranged between power distribution module and the hard disk.
A kind of hard disk unit that has used above-mentioned external hard disk circuit, comprise: hard disk, with the external hard disk circuit that is connected with hard disk, described external hard disk circuit comprises: be used for bridging chip, power control unit that is connected with bridging chip and the USB interface that is connected with power control unit that the data-signal of ATA or SATA interface and USB interface data-signal are changed, described USB interface is connected on the hard disk by bridging chip.
Described power control unit comprises the power distribution module, described power distribution module will by USB interface provide+5V voltage distribution one-tenth+3.3V voltage be bridging chip power supply and+5V voltage is the hard disk power supply.
Described power control unit also comprises bridge joint Voltage stabilizing module and hard disk Voltage stabilizing module, and described bridge joint Voltage stabilizing module is connected between power distribution module and the bridging chip; Described hard disk Voltage stabilizing module is arranged between power distribution module and the hard disk.
Described external hard disk circuit also comprise be connected with bridging chip be arranged on the outer crystal oscillator of hard disk.Provide clock signal by the outer external crystal oscillator of hard disk, control rhythm, can better ensure the stability of circuit.
Described hard disk unit also comprises the pilot lamp that is connected with bridging chip.When the disk read-write data, can show current working state by the light on and off of pilot lamp.
Described hard disk unit comprises that also being used to of being connected with bridging chip store the dispatch from the factory flash memory of information of hard disk.Can store manufacturer's information in the flash memory, as trade name or model etc.; After the hard disk successful connection, computer promptly shows the information of hard disk.
Described hard disk unit is arranged in the hard disk unit box, is respectively equipped with USB interface outlet and ATA or the outlet of SATA interface on the described hard disk unit box.Such design makes above-mentioned hard disk unit both can use by ATA or SATA interface, also can use use, easy to carry by USB interface.
The utility model is owing to be provided with the external hard disk circuit that has bridging chip outside hard disk, by bridging chip the data-signal of ATA or SATA interface is converted to the USB interface data-signal, can be connected on the main frame by USB interface.Because USB interface is very stable to the support of hot plug performance, use this hard disk unit that has the external hard disk circuit promptly not need to restart main frame, do not need continually ata interface or SATA interface to be plugged yet, convenient access to hard disc data, more convenient to use.
Description of drawings
Fig. 1 is the structural representation of hard disk unit among the utility model embodiment.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and preferred embodiment.
As shown in Figure 1: a kind of hard disk unit described in the utility model comprises: hard disk, and with the external hard disk circuit that is connected with hard disk.The external hard disk circuit comprises: be used for bridging chip, power control unit that is connected with bridging chip and the USB interface that is connected with power control unit that the data-signal of ATA or SATA interface and USB interface data-signal are changed, described USB interface is connected on the hard disk by bridging chip.Because USB interface is very stable to the support of hot plug performance, use this hard disk unit that has the external hard disk circuit promptly not need to restart main frame, do not need continually ata interface or SATA interface to be plugged yet, convenient access to hard disc data, more convenient to use.
Described power control unit comprises the power distribution module, described power distribution module will by USB interface provide+5V voltage distribution one-tenth+3.3V voltage and+5V voltage.Bridging chip often needs+and 3.3V voltage is its power supply; Hard disk (as 2.5 cun hard disks) then needs+and the voltage of 5V is its power supply.Between power distribution module and bridging chip, also be connected with the bridge joint Voltage stabilizing module; Between power distribution module and hard disk, be connected with the hard disk Voltage stabilizing module.
In the external hard disk circuit, also comprise be connected with bridging chip be arranged on the outer crystal oscillator of hard disk.Provide clock signal by the outer external crystal oscillator of hard disk, control rhythm, can better ensure the stability of circuit.Described hard disk unit also comprises the pilot lamp that is connected with bridging chip.When the disk read-write data, can show current working state by the light on and off of pilot lamp.Described hard disk unit comprises that also being used to of being connected with bridging chip store the dispatch from the factory flash memory (Flash) of information of hard disk.Can store manufacturer's information in the flash memory, trade name or model etc.; Such as: after the hard disk successful connection, computer promptly shows hard disk informations such as " easily opening up hard disk: Jupiter78-99, the date of production: 07-9-20 ".
Described hard disk unit is arranged in the hard disk unit box, is respectively equipped with USB interface outlet, ATA or the outlet of SATA interface on the described hard disk unit box, the outlet of power lead outlet or other interface.Such design makes above-mentioned hard disk unit both can use by ATA or SATA interface, also can use use, easy to carry by USB interface.
When above-mentioned hard disk unit was connected to main frame and uses by USB interface, the USB interface hard disk provided+5V voltage, was bridging chip and hard disk power supply by power control unit.The power distribution module of power control unit will by USB interface provide+the 5V voltage distribution becomes two-way, one tunnel+3.3V voltage is that bridging chip power supply, another road+5V voltage are 2.5 cun hard disks power supplies by the hard disk Voltage stabilizing module by the bridge joint Voltage stabilizing module.Simultaneously, be flash memory, pilot lamp, crystal oscillator power supply by bridging chip.When hard disk unit was carried out read-write operation, the data message that obtains from USB interface was by bridging chip, the USB interface data-signal is converted to the data-signal of ATA or SATA interface after, send to hard disk and operate; The data message that obtains from hard disk is by bridging chip, and the data-signal of ATA or SATA interface is converted to the USB interface data-signal, communicates by USB interface and extraneous main frame.Certainly, also it can be placed in the cabinet by ATA or SATA interface, electric source line interface, as the normal use of common hard disk as common hard disk.
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 an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (10)
1, a kind of external hard disk circuit, it is characterized in that: described external hard disk circuit comprises: be used for bridging chip, power control unit that is connected with bridging chip and the USB interface that is connected with power control unit that the data-signal of ATA or SATA interface and USB interface data-signal are changed, described USB interface is connected on the hard disk by bridging chip.
2, a kind of external hard disk circuit as claimed in claim 1, it is characterized in that: described power control unit comprises the power distribution module, described power distribution module will by USB interface provide+5V voltage distribution one-tenth+3.3V voltage be bridging chip power supply and+5V voltage is the hard disk power supply.
3, a kind of external hard disk circuit as claimed in claim 2, it is characterized in that: described power control unit also comprises bridge joint Voltage stabilizing module and hard disk Voltage stabilizing module, described bridge joint Voltage stabilizing module is connected between power distribution module and the bridging chip; Described hard disk Voltage stabilizing module is arranged between power distribution module and the hard disk.
4, used a kind of hard disk unit of external hard disk circuit as claimed in claim 1, comprise hard disk, it is characterized in that: described hard disk unit also comprises the external hard disk circuit that is connected with hard disk, described external hard disk circuit comprises: be used for bridging chip, power control unit that is connected with bridging chip and the USB interface that is connected with power control unit that the data-signal of ATA or SATA interface and USB interface data-signal are changed, described USB interface is connected on the hard disk by bridging chip.
5, a kind of hard disk unit as claimed in claim 4, it is characterized in that: described power control unit comprises the power distribution module, described power distribution module will by USB interface provide+5V voltage distribution one-tenth+3.3V voltage be bridging chip power supply and+5V voltage is the hard disk power supply.
6, a kind of hard disk unit as claimed in claim 5 is characterized in that: described power control unit also comprises bridge joint Voltage stabilizing module and hard disk Voltage stabilizing module, and described bridge joint Voltage stabilizing module is connected between power distribution module and the bridging chip; Described hard disk Voltage stabilizing module is arranged between power distribution module and the hard disk.
7, a kind of hard disk unit as claimed in claim 4 is characterized in that: described external hard disk circuit also comprise be connected with bridging chip be arranged on the outer crystal oscillator of hard disk.
8, a kind of hard disk unit as claimed in claim 4, it is characterized in that: described hard disk unit also comprises the pilot lamp that is connected with bridging chip.
9, a kind of hard disk unit as claimed in claim 4 is characterized in that: described hard disk unit comprises that also being used to of being connected with bridging chip store the dispatch from the factory flash memory of information of hard disk.
10, a kind of hard disk unit as claimed in claim 4 is characterized in that: described hard disk unit is arranged in the hard disk unit box, is respectively equipped with USB interface outlet and ATA or the outlet of SATA interface on the described hard disk unit box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201708709U CN201130372Y (en) | 2007-11-16 | 2007-11-16 | Hard disk external circuit as well as hard disk apparatus using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201708709U CN201130372Y (en) | 2007-11-16 | 2007-11-16 | Hard disk external circuit as well as hard disk apparatus using the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201130372Y true CN201130372Y (en) | 2008-10-08 |
Family
ID=40018236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201708709U Expired - Fee Related CN201130372Y (en) | 2007-11-16 | 2007-11-16 | Hard disk external circuit as well as hard disk apparatus using the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201130372Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009065353A1 (en) * | 2007-11-15 | 2009-05-28 | Shenzhen Excelstor Technology Ltd. | An improved hard disk |
| CN102445964A (en) * | 2010-10-06 | 2012-05-09 | 鸿富锦精密工业（深圳）有限公司 | Computer case and hard disk module thereof |
| CN103593318A (en) * | 2012-08-14 | 2014-02-19 | 鸿富锦精密工业(武汉)有限公司 | Storage device and data storage system |
-
2007
- 2007-11-16 CN CNU2007201708709U patent/CN201130372Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009065353A1 (en) * | 2007-11-15 | 2009-05-28 | Shenzhen Excelstor Technology Ltd. | An improved hard disk |
| CN102445964A (en) * | 2010-10-06 | 2012-05-09 | 鸿富锦精密工业（深圳）有限公司 | Computer case and hard disk module thereof |
| CN103593318A (en) * | 2012-08-14 | 2014-02-19 | 鸿富锦精密工业(武汉)有限公司 | Storage device and data storage system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI494863B (en) | Dual-interface card reader module | |
| US8923088B2 (en) | Solid state storage device with sleep control circuit | |
| CN107409056A (en) | Use the communication path of repeater selective enabling first and the second communication path | |
| CN110488673B (en) | Data processing module and data processing method in low power consumption mode | |
| CN103683384A (en) | Host apparatus and charging method thereof | |
| CN104168119A (en) | adapter card | |
| JP2015049907A (en) | Mother board capable of hot swapping memory | |
| CN201130372Y (en) | Hard disk external circuit as well as hard disk apparatus using the same | |
| CN101651794A (en) | Method for coping television memory data and intelligent copier | |
| CN101957802A (en) | USB device with driving program | |
| TW201445326A (en) | Computer | |
| CN112925685A (en) | Handheld server field operation and maintenance tool | |
| CN102074082B (en) | Network tax controller and method for detecting plug and pull of same | |
| CN205050538U (en) | Led asynchronous control card and led display system | |
| JP2014137823A (en) | Battery, power supply device, and electronic device | |
| CN203025717U (en) | File encrypting data loading device based on hot-swap function | |
| CN202093834U (en) | Universal serial bus (USB) flash disk capable of producing sound during power failure | |
| CN202196455U (en) | Travelling data recorder for electric automobile battery management system | |
| CN201413512Y (en) | Display for simplifying data information memory circuit | |
| CN205302946U (en) | Mobile storage instrument outage reminding device | |
| CN220325329U (en) | Core circuit board with dual-power supply and protection circuit | |
| CN110163020B (en) | Sensor data read-write device and read-write method thereof | |
| TWI518581B (en) | Composite storage device and composite memory thereof | |
| CN103049223B (en) | A kind of release method of hard disc hidden area, device and system | |
| CN102880274A (en) | Standby state power management chip of electronic product |
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: 20081008 Termination date: 20141116 |
|
| EXPY | Termination of patent right or utility model |