CN102213990A - Computer system - Google Patents
Computer system Download PDFInfo
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- CN102213990A CN102213990A CN2010101436397A CN201010143639A CN102213990A CN 102213990 A CN102213990 A CN 102213990A CN 2010101436397 A CN2010101436397 A CN 2010101436397A CN 201010143639 A CN201010143639 A CN 201010143639A CN 102213990 A CN102213990 A CN 102213990A
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- voltage
- power supply
- field effect
- effect transistor
- computer system
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Abstract
The invention provides a computer system. The computer system comprises a power supply unit (PSU) provided with a direct current (DC) voltage output end, and is characterized by further comprising a voltage regulator module (VRM), a first power supply interface and a second power supply interface, wherein, the first power supply interface is connected with the DC voltage output end of the PSU so as to supply a first output voltage to computer peripherals; the input end of the VRM is connected with the DC voltage output terminal of the PSU; and the output end of the VRM is connected with the second power supply interface so as to supply an adjustable second output voltage to the computer peripherals. The computer system is provided with power interfaces for the peripherals, thus avoiding the usage of a power adapter when the peripherals are plugged in.
Description
Technical field
The present invention relates to a kind of computer system, particularly a kind of computer system with a plurality of power supply interfaces.
Background technology
Along with the development of technology, the external unit that computer can connect (abbreviation peripheral hardware) is more and more, and as modulator-demodular unit, router, TV box etc., these peripheral hardwares can be expanded the function of computer.Because the required power specification of these peripheral hardwares differs, so need use supporting power supply adaptor to provide corresponding work voltage during these peripheral hardwares work to it.As shown in Figure 1, a computer system is connected to a peripheral hardware, and this peripheral hardware can communicate to connect with computer system, the function of expansion computer system.This computer system is equipped with power supply unit, can be that many group low-voltage dc power supplies (as 3.3V, 5V, 12V etc.) use for the circuit on the mainboard with AC (Alternating Current exchanges) power source conversion.This peripheral hardware needs to be connected to AC power supplies by a power supply adaptor, and this power supply adaptor can be converted to AC power supplies corresponding low-voltage dc power supply and offer this peripheral hardware.But power supply adaptor mostly is heavy transformer, is easy to heating, and it is more to consume energy, and takies the interface of AC power supplies socket.If the peripheral hardware that computing machine connect more for a long time, each peripheral hardware all will take the interface of an AC power supplies socket, and the interface of AC power supplies socket tends to not enough, and the wiring of computing machine outside seems very numerous and diverse.
Summary of the invention
In view of above content, be necessary to provide a kind of computer system that can directly provide operating voltage and can additionally not take the supply socket interface to peripheral hardware.
A kind of computer system, comprise a power supply unit, described power supply unit has a direct current voltage output end, described computer system is equipped with a voltage-regulation module and provides one first power supply interface and one second power supply interface, described first power supply interface links to each other with the dc voltage output end of described power supply unit to provide one first output voltage to computer peripheral equipment, the input end of described voltage-regulation module links to each other with the dc voltage output end of described power supply unit, but the output terminal of described voltage-regulation module links to each other with described second power supply interface with second output voltage that a modulation is provided to computer peripheral equipment.
Compared to prior art, computer system of the present invention is equipped with different power supply interfaces, and wherein the Adjustable Output Voltage of a power supply interface becomes, thereby can provide different voltage to different peripheral hardwares; When peripheral hardware being installed for this computer system, can need not to use power supply adaptor, save electric energy, and can additionally not take the interface of supply socket, make the outside line of computer system more succinct.
Description of drawings
Fig. 1 is a traditional computer system and the power supply synoptic diagram of peripheral hardware thereof.
Fig. 2 is the composition diagram that department of computer science of the present invention unifies better embodiment.
Fig. 3 is the physical circuit figure of voltage-regulation module among Fig. 2.
The main element symbol description
PSU 10
3.3V power supply interface 21
5V power supply interface 22
12V power supply interface 23
Demodulating voltage power supply interface 24
Voltage-regulation module 30
Adjusting knob 38
First inductance L 1
First capacitor C 1
Second inductance L 2
Second capacitor C 2
The first field effect transistor Q1
The second field effect transistor Q2
Embodiment
See also Fig. 2, computer system 100 1 better embodiment of the present invention comprise a PSU (PowerSupply Unit, power supply unit) 10, one voltage card extender 20.Described PSU 10 and described voltage card extender 20 all are installed in the casing of described computer system 100.Described PSU 10 can be converted into AC (Alternating Current) voltage many group DC (Direct Current, direct current) voltages, as+3.3V ,+5V ,+12V etc., the mainboard that offers computer system 100 uses.
One 3.3V power supply interface 21, a 5V power supply interface 22, a 12V power supply interface 23 and a demodulating voltage power supply interface 24 are housed on the described voltage card extender 20.Described 3.3V power supply interface 21,5V power supply interface 22,12V power supply interface 23 directly link to each other with 3.3V, 5V, the 12V voltage output end of described PSU 10 respectively.Described demodulating voltage power supply interface 24 links to each other with the 12V voltage output end of described PSU 10 by a voltage-regulation module 30, described voltage-regulation module 30 can be that demodulating voltage power supply interface 24 used the 9V voltage that demodulating voltage power supply interface 24 provides as described in can using as modulator-demodular unit, switch, TV box, router etc. as described in other voltage (as 9V) exported to for computer peripheral equipment with the voltage-regulation of 12V.In better embodiment of the present invention, the voltage of described demodulating voltage power supply interface 24 initial default output is 9V.
See also Fig. 3, in a better embodiment of the present invention, described voltage-regulation module 30 comprise one with+input circuit 32 that 12V power supply (deriving from the 12V voltage output end of described PSU 10) links to each other, an output voltage output circuit 34, a PWM (Pulse-WidthModulation, width modulation) control chip 36 and an adjusting knob 38 to described demodulating voltage power supply interface 24.Described pwm chip 36 is connected to one first field effect transistor Q1 and one second field effect transistor Q2, Q1 and Q2 are N channel enhancement field effect transistor, described pwm chip 36 is controlled conducting or the cut-off state of the described first field effect transistor Q1 and the second field effect transistor Q2 by pwm signal, thereby adjusts the output to described demodulating voltage power supply interface 24 voltages.The dutycycle of described pwm signal is high more, and the time of described first field effect transistor Q1 conducting in one-period is long more, and the voltage that exports described demodulating voltage power supply interface 24 to is high more.For example, when the dutycycle of described pwm signal was 75%, the voltage that exports described demodulating voltage power supply interface 24 to was 9V, and when the dutycycle of described pwm signal was 50%, the voltage that exports described demodulating voltage power supply interface 24 to was 6V.Thereby the user can regulate output voltage by the dutycycle that described adjusting knob 38 is regulated described pwm signal, and described adjusting knob 38 subscripts are shown with corresponding voltage calibration value.
Described input circuit 32 comprises one first inductance L 1 and one first capacitor C 1.Described first inductance L 1 is connected between the drain electrode of the power supply of described+12V and the described first field effect transistor Q1; Described first capacitor C, 1 one ends link to each other other end ground connection with the drain electrode of the described first field effect transistor Q1.The grid of the described first field effect transistor Q1 links to each other with an output terminal of described pwm chip 36, and the source electrode of the described first field effect transistor Q1 links to each other with the drain electrode of the described second field effect transistor Q2.The grid of the described second field effect transistor Q2 links to each other the source ground of the described second field effect transistor Q2 with another output terminal of described pwm chip 36.Described output circuit 34 comprises one second inductance L 2 and one second capacitor C 2.One end of described second inductance L 2 links to each other with the drain electrode of the source electrode of the described first field effect transistor Q1 and the described second field effect transistor Q2, and the other end links to each other with described demodulating voltage power supply interface 24; One end of described second capacitor C 2 links to each other other end ground connection with described demodulating voltage power supply interface 24.
After described computer system 100 starts, its PSU 10 begins to export the multichannel dc voltage to be used to mainboard, and mainboard begins to work on power.Meanwhile, 3.3V, 5V, the 12V voltage of PSU 10 outputs export described 3.3V power supply interface 21,5V power supply interface 22,12V power supply interface 23 respectively to by 3 wiring, use the computer peripheral equipment of these voltages directly to be powered by these interfaces.The pwm chip 36 of described voltage-regulation module 30 is controlled the conducting of the described first field effect transistor Q1 and the second field effect transistor Q2 by pwm signal or by state, the dutycycle initial default value of this pwm signal is 75%, and therefore the output circuit 34 of described voltage-regulation module 30 can correspondingly be exported the voltage of 9V to described demodulating voltage power supply interface 24.When described computer system 100 needs an external operating voltage to be the peripheral hardware of 9V, the voltage that this peripheral hardware can directly use the demodulating voltage power supply interface 24 of described computer system 100 to provide.When described computer system 100 needed the peripheral hardware of external other operating voltage, rotatable described adjusting knob 38 was adjusted to analog value with the output voltage of described demodulating voltage power supply interface 24.In better embodiment of the present invention, described computer system 100 provides a plurality of power supply interfaces for its peripheral hardware, except the voltage (as 3.3V, 5V, 12V) that routine is provided, and the power supply interface that also provides an Adjustable Output Voltage to become.Therefore, when computer peripheral equipment is installed, except the corresponding signal lines of having pegged graft, also the power connection of peripheral hardware can be plugged to the corresponding power supply interface of described computer system 100, the power supply adaptor that need not to utilize can the minimizing system generate heat, and saves electric energy, and additionally do not take the interface of power distributor, make that the outside line of computer system 100 is more succinct.
Claims (10)
1. computer system, comprise a power supply unit, described power supply unit has a direct current voltage output end, it is characterized in that: described computer system is equipped with a voltage-regulation module and provides one first power supply interface and one second power supply interface, described first power supply interface links to each other with the dc voltage output end of described power supply unit to provide one first output voltage to computer peripheral equipment, the input end of described voltage-regulation module links to each other with the dc voltage output end of described power supply unit, but the output terminal of described voltage-regulation module links to each other with described second power supply interface with second output voltage that a modulation is provided to computer peripheral equipment.
2. computer system as claimed in claim 1 is characterized in that: described computer system is equipped with a voltage card extender, and described first power supply interface, second power supply interface and described voltage-regulation module all are installed on the described voltage card extender.
3. computer system as claimed in claim 1, it is characterized in that: described voltage-regulation module comprises a pulse width modulation controlled chip, one first field effect transistor and one second field effect transistor, described pulse width modulation controlled chip by described first and second field effect transistor of pulse-width signal control conducting or cut-off state to adjust the output to the voltage of described second power supply interface.
4. computer system as claimed in claim 3, it is characterized in that: described voltage-regulation module also comprises an adjusting knob that links to each other with described pulse width modulation controlled chip, and the dutycycle of the described pulse-width signal of described adjusting knob scalable is to adjust the output to the voltage of described second power supply interface.
5. computer system as claimed in claim 3, it is characterized in that: described voltage-regulation module also comprises an input circuit, one end of described input circuit links to each other with the dc voltage output end of described power supply unit, and the other end links to each other with described first field effect transistor.
6. computer system as claimed in claim 5, it is characterized in that: the drain electrode of described first field effect transistor links to each other with described input circuit, the grid of described first field effect transistor links to each other with described pulse width modulation controlled chip, and the source electrode of described first field effect transistor links to each other with described second field effect transistor.
7. computer system as claimed in claim 6, it is characterized in that: the drain electrode of described second field effect transistor links to each other with the source electrode of described first field effect transistor, the grid of described second field effect transistor links to each other with described width modulation module, the source ground of described second field effect transistor, described second power supply interface of the common connection of the drain electrode of the source electrode of described first field effect transistor and second field effect transistor.
8. computer system as claimed in claim 7, it is characterized in that: described voltage-regulation module also comprises an output circuit, the drain electrode of the source electrode of described first field effect transistor and second field effect transistor is connected to the input end of described output circuit jointly, and the output terminal of described output circuit is connected to described second power supply interface.
9. computer system as claimed in claim 8 is characterized in that: described input circuit and described output circuit respectively comprise an inductance and an electric capacity.
10. computer system as claimed in claim 1, it is characterized in that: described power supply unit also has another dc voltage output end, and described computer system also is equipped with the 3rd power supply interface that links to each other with another dc voltage output end of described power supply unit to provide one the 3rd output voltage to computer peripheral equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101436397A CN102213990A (en) | 2010-04-09 | 2010-04-09 | Computer system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101436397A CN102213990A (en) | 2010-04-09 | 2010-04-09 | Computer system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102213990A true CN102213990A (en) | 2011-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101436397A Pending CN102213990A (en) | 2010-04-09 | 2010-04-09 | Computer system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103302988A (en) * | 2012-03-06 | 2013-09-18 | 珠海天威技术开发有限公司 | Storage chip and power management method thereof, consumable container and imaging equipment |
| CN104298332A (en) * | 2013-07-16 | 2015-01-21 | 鸿富锦精密工业（深圳）有限公司 | Power supply device, power supply management system and power supply management method |
| CN110610689A (en) * | 2019-09-20 | 2019-12-24 | 合肥惠科金扬科技有限公司 | Voltage distribution method and device of display interface and display equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5900684A (en) * | 1998-04-14 | 1999-05-04 | Am Group, Corporation | Power supply system for failsafe supply of different DC voltages |
| CN1234140A (en) * | 1996-10-23 | 1999-11-03 | Am集团公司 | Host electronic equipment with internal power supply adapted for supplying power directly to peripherals |
| US20030222503A1 (en) * | 2001-06-26 | 2003-12-04 | Lam Phillip L. | Automatic voltage selection in a DC power distribution apparatus |
| US20060242435A1 (en) * | 2005-04-22 | 2006-10-26 | Swope John M | Power management system |
-
2010
- 2010-04-09 CN CN2010101436397A patent/CN102213990A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1234140A (en) * | 1996-10-23 | 1999-11-03 | Am集团公司 | Host electronic equipment with internal power supply adapted for supplying power directly to peripherals |
| US5900684A (en) * | 1998-04-14 | 1999-05-04 | Am Group, Corporation | Power supply system for failsafe supply of different DC voltages |
| US20030222503A1 (en) * | 2001-06-26 | 2003-12-04 | Lam Phillip L. | Automatic voltage selection in a DC power distribution apparatus |
| US20060242435A1 (en) * | 2005-04-22 | 2006-10-26 | Swope John M | Power management system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103302988A (en) * | 2012-03-06 | 2013-09-18 | 珠海天威技术开发有限公司 | Storage chip and power management method thereof, consumable container and imaging equipment |
| CN103302988B (en) * | 2012-03-06 | 2016-04-06 | 珠海天威技术开发有限公司 | Storage chip and method for managing power supply, consumable container, imaging device |
| CN104298332A (en) * | 2013-07-16 | 2015-01-21 | 鸿富锦精密工业（深圳）有限公司 | Power supply device, power supply management system and power supply management method |
| CN110610689A (en) * | 2019-09-20 | 2019-12-24 | 合肥惠科金扬科技有限公司 | Voltage distribution method and device of display interface and display equipment |
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Application publication date: 20111012 |