CN103247321A - External mobile device driving system applying 3.5-inch hard disk - Google Patents
External mobile device driving system applying 3.5-inch hard disk Download PDFInfo
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- CN103247321A CN103247321A CN2012100222493A CN201210022249A CN103247321A CN 103247321 A CN103247321 A CN 103247321A CN 2012100222493 A CN2012100222493 A CN 2012100222493A CN 201210022249 A CN201210022249 A CN 201210022249A CN 103247321 A CN103247321 A CN 103247321A
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Abstract
The invention provides an external mobile device driving system applying a 3.5-inch hard disk, which comprises an underpower power supply adapter, a first regulating unit and a second regulating unit, wherein the underpower power supply adapter receives an external input power supply and is directly connected with a first direct current power supply with underpower power supply adapter voltage and output current below 1 ampere; the first regulating unit receives a USB (Universal Serial Bus) on-line power supply, and generates a middle power supply and a second direct current power supply with second voltage after first regulating processing; the second regulating unit receives the middle power supply, and generates a third direct current power supply with third voltage after second regulating processing; the first voltage, the second voltage, the third voltage and voltage of the USB on-line power supply are different; and the first direct current power supply, the second direct current power supply, the third direct current power supply and the USB on-line power supply are used for driving the external hard disk.
Description
Technical field
The present invention relates to the circumscribed running gear drive system of 3.5 inches hard disks of a kind of application, especially the online power supply of universal serial bus (USB) is converted to can in order to drive 3.5 inches hard disks or use 3.5 inches hard disks the circumscribed running gear than low pressure 5V power supply, external lower wattage power supply adapter voltage of while and tool output current below 1 ampere, need not do any circuit design and do conversion, but directly supply 3.5 inches hard disks or use the higher pressure 12V power supply of the circumscribed running gear of 3.5 inches hard disks.
Background technology
Progress along with semi-conductor industry and electronics industry, the use of personal computer, mobile computer, intelligent mobile phone, digital camera, digital camera and personal electronic device is universal day by day, need to store lot of data, but memory space built-in in the original system generally can be very limited on memory capacity because of cost consideration, cause memory space often not enough, cause to continue to use original partial function, can't store the image file of new shooting such as intelligent mobile phone.Therefore, the storing media that needs the big capacity memory space of tool and be convenient for carrying so that backup functionality to be provided, and then is removed original memory space to make things convenient for the storage of new data.
In addition, important electron data in the electronic installation, such as text file, picture file, film file, need regularly to make backup, to take precautions against because of the system failure or electronic data permanent damage that inefficacy was caused or damaged, also but the convenient reproduction data are used as data transmission medium to another electronic installation simultaneously.
In the prior art, external connected hand disk can be easy to be linked to electronic installation for data access because having big capacity and portability simultaneously, therefore, is data backup media, data storing media and the data transmission medium of the most normal use.General external connected hand disk comprises 3.5 inches and 2.5 inches hard disks, need the power supply of the suitable driving power of tool and driving voltage to operate with correct driving respectively, wherein 3.5 inches hard disks need DC 12V and DC 5V just can start, and 2.5 inches need DC 5V just can start.Particularly, the most normal type of drive of using is that to utilize power adapter (Power Adapter) to convert external power source to tool direct current (DC) 12V and rated current be the above input power supply of 2A, and utilize suitable pressure drop circuit, such as converter (Converter) or regulator (Regulator), to produce tool than the conversion electric power of low pressure, such as 5V, 3.3V, 1.2V, wherein conversion electric power 12V and 5V provide 3.5 inches hard disk startup usefulness, and conversion electric power 5V, 3.3V and 1.2V mainly are that power supply is to relevant chip, integrated circuit (IC) and peripheral part.
Yet the shortcoming of prior art is that above-mentioned step-down conversion needs to use many parts, such as about at least 20 peripheral parts, comprise regulator, resistance and electric capacity, and the required electric current of power adapter is also bigger, more than 2A, cause power consumption to reach the high and not environmental protection of hardware cost greatly.
Therefore, need a kind of external connected hand disk drive system, can not need to convert 5V, 3.3V, 1.2V to by the DC12V of power adapter, use solving above-mentioned prior art problems.
Summary of the invention
The circumscribed running gear drive system that fundamental purpose of the present invention is to provide a kind of 3.5 inches hard disks or uses 3.5 inches hard disks, comprise lower wattage power supply adapter, first regulon and second regulon, directly utilize outside input power supply and by the online power supply of universal serial bus (USB) driving 3.5 inches hard disks than low-tension supply or using the circumscribed running gear of 3.5 inches hard disks through conversion.
The lower wattage power supply adapter receives outside input power supply, such as the civil power that exchanges AC 100V to 220V, and converts first direct supply of tool first voltage to, such as DC 12V power supply.The online power supply of USB is DC 5V power supply, can be received by first regulon, and after first adjusting is handled, produce second direct supply of intermediate power supplies and tool second voltage, such as DC 3.3V power supply.Second regulon receives intermediate power supplies, and after second adjusting is handled, produces the 3rd direct supply of tool tertiary voltage, such as DC 1.2V power supply.
Therefore, system of the present invention can be directly with DC 12V and the power supply of the following electric current of 1A and 3.5 inches hard disks of the online power drives of USB of DC 5V from the lower wattage power supply adapter, and can directly utilize 3.5 inches hard disk 5V of the online power drives of USB power supply, and utilize change-over circuit to convert the online power supply of USB to required 3.3V, 1.2V power supply to power to associated component, therefore do not need to convert 5V, 3.3V, 1.2V again to by the DC 12V of power adapter.Yet the following electric current of the DC12V of lower wattage power supply adapter and 1A can directly provide the 12V power supply of 3.5 inches hard disks, do conversion without any need for circuit design, this can significantly reduce peripheral number of parts, simplify global design, and the saving cost, improve fiduciary level and the durability in the integrated operation and save the energy, environmental protection and green energy.
Description of drawings
Fig. 1 shows that the present invention uses the synoptic diagram of the circumscribed running gear drive system of 3.5 inches hard disks; And
Fig. 2 shows that the present invention uses the synoptic diagram of first regulator and the first output regulon in the circumscribed running gear drive system of 3.5 inches hard disks.
The primary clustering symbol description
10 lower wattage power supply adapters
30 first regulons
31 first input regulons
33 first regulators
35 first output regulons
40 second regulons
41 second input regulons
43 second regulators
45 second output regulons
C1 first electric capacity
C2 second electric capacity
R1 first resistance
R2 second resistance
R3 the 3rd resistance
R4 the 4th resistance
The V1 intermediate power supplies
The outside input of VIN power supply
VDC1 first direct supply
VDC2 second direct supply
VDC3 the 3rd direct supply
The VG1 earth terminal
The VI1 input end
The online power supply of VUSB USB
VO1 first output terminal
VO2 second output terminal
Embodiment
Those skilled in the art below cooperate graphic and element numbers is done more detailed description to implementation method formula of the present invention, so that can implement after studying this instructions carefully according to this.
With reference to figure 1, Fig. 1 is 3.5 inches hard disks of the present invention or the synoptic diagram of using the external running gear drive system of 3.5 inches hard disks.As shown in Figure 1,3.5 inches hard disks of the present invention or the external running gear drive system of using 3.5 inches hard disks comprise lower wattage power supply adapter 10, first regulon 30 and second regulon 40, can utilize outside input power supply VIN and the online power supply VUSB of universal serial bus (USB), generation is in order to drive at least one 3.5 inches hard disks or to use the first required direct supply VDC1 of external running gear (not shown) of 3.5 inches hard disks, the second direct supply VDC2 and the 3rd direct supply VDC3, and external connected hand disk can comprise 3.5 inches and/or 2.5 inches hard disks.
Outside input power supply can be the civil power that exchanges AC 100V to 220V, and the online power supply of USB is DC 5V power supply.
Lower wattage power supply adapter 10 receives outside input power supply VIN, and the directly first direct supply VDC1 of tool first voltage, and first voltage can be DC 12V, and does not need any circuit design to do conversion.In addition, the output current of the first direct supply VDC1 can be lower than 1 ampere (A).
The first input regulon 31 comprises input resistance, first input capacitance and the second input capacitance (not shown), and an end of input resistance connects the online power supply of this USB, and first input capacitance and second input capacitance are in parallel and be connected in series between the other end and system earth of input resistance.
For describing feature of the present invention in detail, please cooperate with reference to figure 2, Fig. 2 is the synoptic diagram that first regulator and first is exported regulon in 3.5 inches hard disks of the present invention or the circumscribed running gear drive system of using 3.5 inches hard disks.As shown in Figure 2, first regulator 33 has input end VI1, earth terminal VG1, the first output terminal VO1 and the second output terminal VO2, and the first output regulon 35 comprises first resistance R 1, second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, first capacitor C 1 and second capacitor C 2, wherein input end VI1 connects the other end of the input resistance of the first input regulon 31, first resistance R 1 and second resistance R 2 are in parallel and be connected between the earth terminal VG1 and system earth of first regulator 33, between the first output terminal VO1 and earth terminal VG1 of the 3rd resistance R 3 cross-over connections first regulator 33, one end of the 4th resistance R 1 connects the second output terminal VO2 of first regulator 33, the other end of the 4th resistance R 4 is exported the second direct supply VDC2, and first capacitor C 1 and second capacitor C 2 are in parallel and be connected between the second output terminal VO1 and system earth of first regulator 33.
As shown in Figure 1, second regulon 40 comprises the second input regulon 41, second regulator 43 and the second output regulon 45.The second input regulon 41 comprises the input capacitance (not shown), wherein an end of input capacitance connects the second output terminal VO2 of first regulator 33, that is receive the intermediate power supplies V1 that first regulator 33 produces, and the other end connected system ground connection of input capacitance.
Therefore, in sum, from the first direct supply VDC1 of lower wattage power supply adapter and can be in order to drive 3.5 inches hard disks from the online power supply VUSB of the USB of USB, especially the output current of lower wattage power supply adapter can be lower than 1A, the online power supply VUSB of USB can directly drive 3.5 inches hard disks, and the second direct supply VDC2 and the 3rd direct supply VDC3 can power to relevant chip, integrated circuit (IC) and peripheral passive component.Thereby, can reduce power consumption, reduce being converted to 5V, 3.3V and the required nextport hardware component NextPort of 1.2V power supply by the DC12V power supply, use the simplification global design, save cost.
The above person only is in order to explain preferred embodiment of the present invention; be not that attempt is done any pro forma restriction to the present invention according to this; therefore, all have in that identical invention spirit is following do relevant any modification of the present invention or change, all must be included in the category that the invention is intended to protect.
Claims (5)
1. a circumscribed running gear drive system of using 3.5 inches hard disks is characterized in that, comprising:
One lower wattage power supply adapter receives this outside input power supply, and directly one first direct supply of tool first voltage, and the output current of this first direct supply is lower than 1 ampere (A), does conversion without any need for circuit design;
One first regulon receives the online power supply of universal serial bus (USB), and after first adjusting is handled, produces one second direct supply of an intermediate power supplies and tool second voltage; And
One second regulon, receive this intermediate power supplies, and after second adjusting is handled, produce one the 3rd direct supply of tool tertiary voltage, and this first voltage, this second voltage, this tertiary voltage and the online power source voltage of this USB are different each other, and this first, second, third direct supply and the online power supply of this USB are in order to drive one 3.5 inches hard disks.
2. the circumscribed running gear drive system of 3.5 inches hard disks of application as claimed in claim 1 is characterized in that, this external connected hand disk comprises 3.5 inches hard disks.
3. the circumscribed running gear drive system of 3.5 inches hard disks of application as claimed in claim 1, it is characterized in that, this outside input power supply is for exchanging the civil power of AC 100V to 220V, this first voltage is DC 12V, the online power supply of this USB is DC 5V power supply, this second voltage is DC3.3V, and this tertiary voltage is DC 1.2V.
4. the circumscribed running gear drive system of 3.5 inches hard disks of application as claimed in claim 1 is characterized in that, this first regulon comprises:
One first input regulon, comprise an input resistance, one first input capacitance and one second input capacitance, and an end of this input resistance connects the online power supply of this USB, and this first input capacitance and this second input capacitance are in parallel and be connected in series between the other end and a system earth of this input resistance;
One first regulator have an input end, an earth terminal, one first output terminal and one second output terminal, and this input end connects the other end of this input resistance; And
One first output regulon, comprise one first resistance, one second resistance, one the 3rd resistance, one the 4th resistance, one first electric capacity and one second electric capacity, and this first resistance and this second resistance are in parallel and be connected between the earth terminal and this system earth of this first regulator, between first output terminal and earth terminal of the 3rd this first regulator of resistance cross-over connection, one end of the 4th resistance connects second output terminal of this first regulator, one other end of the 4th resistance is exported this second direct supply, and this first electric capacity and this second electric capacity are in parallel and be connected between second output terminal and this system earth of this first regulator.
5. as the circumscribed running gear drive system of claim 1 or 3.5 inches hard disks of 4 described application, it is characterized in that this second regulon comprises:
One second input regulon comprises an input capacitance, and an end of this input capacitance connects second output terminal of this first regulator, and an other end of this input capacitance connects this system earth;
One second regulator has an input end, an earth terminal and an output terminal, and this input end connects second output terminal of this first regulator, and this earth terminal connects this system earth, and this output terminal is exported the 3rd direct supply; And
One second output regulon comprises an output capacitance, and an end of this output capacitance connects the output terminal of this second regulator, and an other end of this output capacitance connects this system earth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100222493A CN103247321A (en) | 2012-02-01 | 2012-02-01 | External mobile device driving system applying 3.5-inch hard disk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100222493A CN103247321A (en) | 2012-02-01 | 2012-02-01 | External mobile device driving system applying 3.5-inch hard disk |
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| CN103247321A true CN103247321A (en) | 2013-08-14 |
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| CN2012100222493A Pending CN103247321A (en) | 2012-02-01 | 2012-02-01 | External mobile device driving system applying 3.5-inch hard disk |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2514406Y (en) * | 2001-09-29 | 2002-10-02 | 联想(北京)有限公司 | Power supply for computer |
| CN2733518Y (en) * | 2004-08-05 | 2005-10-12 | 南方汇通微硬盘科技有限公司 | Hard disk drive employing switching type voltage regulator |
| CN2760669Y (en) * | 2004-12-15 | 2006-02-22 | 彭武 | Digital media audio player |
| KR20060078686A (en) * | 2004-12-30 | 2006-07-05 | 삼성전자주식회사 | Power supplier of serial harddisk drive |
| US7092190B2 (en) * | 2001-05-21 | 2006-08-15 | Intel Corporation | Dynamic power supply |
| CN101005283A (en) * | 2006-01-18 | 2007-07-25 | 马维尔国际贸易有限公司 | Pipelined analog-to-digital converters |
| CN202454265U (en) * | 2012-02-01 | 2012-09-26 | 宸定股份有限公司 | Driving system for external mobile device employing 3.5 inch hard disk |
-
2012
- 2012-02-01 CN CN2012100222493A patent/CN103247321A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7092190B2 (en) * | 2001-05-21 | 2006-08-15 | Intel Corporation | Dynamic power supply |
| CN2514406Y (en) * | 2001-09-29 | 2002-10-02 | 联想(北京)有限公司 | Power supply for computer |
| CN2733518Y (en) * | 2004-08-05 | 2005-10-12 | 南方汇通微硬盘科技有限公司 | Hard disk drive employing switching type voltage regulator |
| CN2760669Y (en) * | 2004-12-15 | 2006-02-22 | 彭武 | Digital media audio player |
| KR20060078686A (en) * | 2004-12-30 | 2006-07-05 | 삼성전자주식회사 | Power supplier of serial harddisk drive |
| CN101005283A (en) * | 2006-01-18 | 2007-07-25 | 马维尔国际贸易有限公司 | Pipelined analog-to-digital converters |
| CN202454265U (en) * | 2012-02-01 | 2012-09-26 | 宸定股份有限公司 | Driving system for external mobile device employing 3.5 inch hard disk |
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Application publication date: 20130814 |