CN101241387A - Direct-current power supply system and its sequence control device - Google Patents
Direct-current power supply system and its sequence control device Download PDFInfo
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- CN101241387A CN101241387A CNA2007100267972A CN200710026797A CN101241387A CN 101241387 A CN101241387 A CN 101241387A CN A2007100267972 A CNA2007100267972 A CN A2007100267972A CN 200710026797 A CN200710026797 A CN 200710026797A CN 101241387 A CN101241387 A CN 101241387A
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Abstract
A direct-current power supply system is used for supplying an adjustable direct-current voltage to a computer system. The computer system has a mainboard and a power supplier outputting direct-current voltage according to time sequence to the mainboard. The direct-current power supply system comprises an adjustable direct-current power supplier for receiving an extraneous power source and being controlled to output variable type direct-current voltage timely to the mainboard and a time sequence control device. The time sequence control device acquires time sequence of the power supplier of the computer system and controls the variable type direct-current power supplier timely according to the time sequence to output variable type direct-current voltage, to make the variable type direct-current power supplier to work synchronously with the power supplier.
Description
[technical field]
The invention relates to a kind of direct-current power supply system, be meant a kind of direct-current power supply system and time sequence control device thereof that is used for the vdct of computer system especially.
[background technology]
When computer system designs, often need the various electric or mechanical property of system is made reliability test, for example vdct, electrostatic induced current disturbed test and mechanical endurance test or the like.
About the vdct aspect, at first explanation is, please refer to Fig. 1, it is required to supply computer system work in computer system with an internal electric source supply 11, for example power supply unit 11 is plugged to the power port 121 of motherboard 12 with an output port of power source 111, to supply with the required DC voltage (as 3.3V, 5V, 12V) of motherboard 12 work.Motherboard 12 has been installed the indispensable member of microprocessor, internal memory or the like computer system.
Vdct is made the modulation of bound at the DC input voitage of motherboard 12, with defective and the critical value of finding out design.Be subject to power supply unit 11 tuning range restriction own and the not good factors of modulation sensitivity, the way of previous vdct is the desire test DC voltage of first insulating power supply supply 11 to 12 of motherboards, and order is no longer changed by an external adjustable DC power supply 13 by power supply unit 11 supplies to be supplied with.So, the tester can utilize adjustable DC power supply 13 to come its magnitude of voltage of adjusting the DC voltage of input motherboard 12, comes to observe for the tester function situation of computer system.
Before after power supply unit starts, adjustable DC power supply 13 is made voltage modulation in any time external dc power supply all can allow the computer system operate as normal.
Yet today, computer system required when start, and power supply unit 11 must meet the standard of its start sequential, and 11 beginnings of power supply unit can normally open and supply with DC voltage and give motherboard 12.Yet, be with manual operation supply opportunity of the DC voltage of adjustable DC power supply 13 outputs, be difficult to allow DC voltage that adjustable DC power supply 13 supplies with along with the sequential of power supply unit 11 is supplied with synchronously, power supply unit 11 can't normally be opened and can't carry out vdct.
This moment, can utilize the start sequential of revising power supply unit 11 to set and overcome, but this kind way must all must do power supply unit 11 is reset once when every computer system is made vdct, unavoidably the tester be brought inconvenience.If, buy more the adjustable DC power supply of the start sequential that can cooperate power supply unit 11 again, will cause the significantly increase of testing cost.
[summary of the invention]
Therefore, this case inventor think and the sequential of obtaining power supply unit with a sequential control device with the adjustable DC power supply of synchronous startup, but allow adjustable DC power supply and power supply unit all normal power supply also can make voltage modulation.
A purpose of the present invention is promptly providing a kind of normal direct-current power supply system that starts of computer system that makes.
Another object of the present invention is promptly providing a kind of time sequence control device that power supply unit and adjustable DC power supply all normally start in the computer system that makes.
Compared to prior art, the present invention's direct-current power supply system that brain system test DC voltage uses of powering is supplied with outside the adjustable DC voltage divided by an adjustable DC power supply in good time, more the power supply timing that obtains in the computer system with a sequential control device is exported adjustable DC voltage with the adjustable DC power supply of synchro control, allows the power supply unit of computer system can adjustable DC power supply be carried out vdct by normal the startup also.
So, direct-current power supply system of the present invention gives a computer system in order to supply with an adjustable DC voltage, this computer system has a motherboard and and gives the power supply unit of this motherboard according to its sequential output dc voltage, and this direct-current power supply system comprises one and receives an extraneous power supply and the controlled time sequence control device of in good time exporting this adjustable DC voltage to the power supply unit of the adjustable DC power supply of this motherboard and this adjustable DC power supply of electric connection and this computer system; This time schedule controller obtains the sequential of the power supply unit of this computer system and also controls this adjustable this adjustable DC voltage of DC power supply output according to this sequential in good time.
Again, for but the power supply timing that makes adjustable DC power supply matching computer system is exported adjustable DC voltage automatically to computer system, time sequence control device of the present invention obtains the output of the adjustable DC voltage of the sequential of computer system and the adjustable DC power supply of corresponding control.
Time sequence control device of the present invention is exported a motherboard in adjustable DC voltage to a computer system in order to control an adjustable DC power supply, one power supply unit output dc voltage direct-current power supply system of this computer system, export a direct current voltage according to its sequential and give this motherboard in order to supply with, this time sequence control device comprises two transmission line and control circuits that electrically connect this power supply unit and this adjustable DC power supply respectively; This control circuit obtains the sequential of this power supply unit and controls this adjustable this adjustable DC voltage of DC power supply output according to the sequential of this power supply unit in good time through these transmission lines.
[description of drawings]
Fig. 1 is an a kind of synoptic diagram of vdct of previous computer system.
Fig. 2 is that DC voltage supply system of the present invention preferred embodiment cooperates a computer system to carry out a synoptic diagram of vdct.
Fig. 3 is the block schematic diagram of the time sequence control device of present embodiment.
[embodiment]
About aforementioned and other technology contents, characteristics and effect of the present invention, in the following detailed description that cooperates with reference to a graphic preferred embodiment, can clearly present.
For the sequential that allows adjustable DC power supply can be synchronized with the power supply unit of computer system is supplied with the motherboard of adjustable DC voltage to computer system, direct-current power supply system of the present invention obtains the sequential of power supply unit and the opportunity that the corresponding adjustable DC voltage of controlling adjustable DC voltage supply is supplied to motherboard with a sequential control device, allow the supply of adjustable DC voltage can meet the standard of the start sequential of power supply unit opportunity, and then power supply unit can normally be opened.
Consult Fig. 2, direct-current power supply system 3 preferred embodiments of the present invention comprise an adjustable DC power supply 31 and a sequential control device 32.The direct-current power supply system 3 of present embodiment gives computer system in order to supply with an adjustable DC voltage, makes vdct for computer system and uses.
Computer system has a power supply unit 21 and a motherboard 22, and power supply unit 21 connects power port 221 to motherboard 22 with an output port of power source 211, gives motherboard 22 to supply with DC voltage.This motherboard 22 has been installed the indispensable member of computer system, as microprocessor (figure does not show), internal memory (figure does not show) or the like.
The power specifications standard of power supply unit 21 is ATX (Advanced TechnologyeXpanding) in the computer system, and its version can be ATX2.0, ATX2.1, ATX2.2 or the like.Present embodiment is that example illustrates with the power supply unit 21 of using ATX2.2, so the pin count of output port of power source 211 and power port 221 is 24-pin.Power supply unit 21 receives the civil power of 110Vac 220Vac, and the direct current that output port of power source 211 is exported is pressed with+3.3V ,+5V ,+12V and standby voltage+5VSB, when the computer system desire was started shooting, motherboard 22 can inform that with a power supply starting signal PS ON power supply unit 21 starts through a pin of output port of power source 211.Specifically, power switch control signal PS ON is positioned at high levels when not starting shooting; When desire is started shooting (be pressed as the power key of computer system in), motherboard 22 becomes low level by high levels with the position of power switch control signal PS ON is accurate; In case power supply unit 21 is received the power switch control signal PS ON into low level, power supply unit 21 starts internal circuit according to sequential, make its with civil power convert to DC voltage+3.3V ,+5V ,+12V to be to export motherboard 22 to through output port of power source 211; Then, power supply unit 21 more can detect DC voltage+3.3V after the conversion ,+5V ,+whether the magnitude of voltage of 12V reached a preset ratio (as 95%), if detect DC voltage when having reached preset ratio, power supply unit 21 is exported a power supply good signal PWR OK through another pin of output port of power source 211 and is given motherboard 22, and motherboard 22 is after receiving power supply good signal PWR OK, then begin to utilize DC voltage+3.3V ,+5V ,+12V carries out boot program.Power supply good signal PWR OK is a low level when flat, when DC voltage+3.3V ,+5V ,+when the magnitude of voltage of 12V has reached preset ratio, power supply unit 21 is altered to high levels with power supply good signal PWR OK position standard, to inform the stable information of motherboard 22 1 output dc voltages, allow motherboard 22 carry out boot program.Backward, if DC voltage+3.3V ,+5V ,+when the magnitude of voltage of 12V is not lower than preset ratio, power supply unit 21 will be kept power supply good signal PWR OK in high levels.
Adjustable DC power supply 31 is in order to receive an extraneous power supply with in good time output one adjustable DC voltage, the tester can utilize the control interface (figure does not show) on the adjustable DC power supply 31 to select the magnitude of voltage of adjustable DC voltage, as 3.3V or 5V or 12V, and the tester can the in good time magnitude of voltage of adjusting adjustable DC voltage of control interface.When selecting the DC voltage of desire test, the circuit of this DC voltage of transmission that also first insulating power supply supply 21 and output port of power source are 211, then the circuit with the adjustable DC voltage of output of adjustable DC power supply 31 connects to the pin of output port of power source 211 these DC voltage of transmission, with can be in good time with adjustable DC voltage through output port of power source 211, power port 221 feed-in motherboards 22.
At this, this skill person knows and the improvement emphasis of non-this case because the operation principles of adjustable DC power supply 31, motherboard 22 and power supply unit 21 is widely had the knack of, so do not give unnecessary details at this.
Time sequence control device 32 with a transmission line 321 connect to power supply unit 21 obtaining the sequential of power supply unit 21, and time sequence control device 32 with another transmission line 322 connect to adjustable DC power supply 31 with whether according to the output of the adjustable DC voltage of the adjustable DC power supply 31 of the sequential control of power supply unit 21.
Just as aforementioned, along with the start timing variations of power supply unit 21, the output of its output port of power source 211 also with variation, as DC voltage or power supply good signal PWR OK, along with this variation, adjustable DC power supply 31 also should export adjustable DC voltage to motherboard 22 synchronously.Therefore, the time sequence control device 32 of present embodiment obtains the timing variations that power supply unit 21 is understood in power supply unit 21 outputs.At this, time sequence control device 32 connects the pin of transmission power supply good signal PWR OK to the output port of power source 211 with transmission line 321, allows power supply good signal PWR OK more be sent to time sequence control device 32 in the lump through transmission line 321 except that being sent to motherboard 22.So, time sequence control device 32 can be in receiving that power supply good signal PWR OK controls the adjustable DC power supply 31 adjustable DC voltage of output synchronously in the lump.
With reference to Fig. 2 and Fig. 3, present embodiment is set adjustable DC power supply 31 and is exported adjustable DC voltage with the feed-in of extraneous power supply 110Vac 220Vac.Time sequence control device 32 is serially connected with 31 of extraneous power supply 110Vac 220Vac and adjustable DC power supply, and transmission line 322 in good time the extraneous power supply 110Vac 220Vac of transmission to adjustable DC power supply 31, so time sequence control device 32 can be considered a power switch that opens and closes with the sequential of power supply unit 21.
Specifically, the time sequence control device 32 of present embodiment contains an input block 323 and a control circuit 324.Input block 323 receives power supply good signal PWR OK and power supply good signal PWR OK is sent to control circuit 324 after the suitable processing such as filtering noise and pressure regulation from transmission line 321.Control circuit 324 receives extraneous power supply 110Vac 220Vac and gives adjustable DC power supply 31 through the extraneous power supply 110Vac 220Vac of transmission line 322 outputs in good time.Because when power supply unit 21 output dc voltages are stablized, power supply good signal PWR OK position brigadier is maintained at high levels, so control circuit 324 can be one and triggers holding circuit, control circuit 324 at ordinary times (when referring to that power supply good signal PWR OK is low level) open a way for conducting not, allow extraneous power supply 110Vac 220Vac can not be transfused to adjustable DC power supply 31, adjustable DC power supply 31 is from not exporting adjustable DC voltage; When power supply good signal PWR OK is high levels, control circuit 324 is triggered and conducting allows extraneous power supply 110Vac 220Vac through the adjustable DC power supply 31 of control circuit 324 output, makes adjustable DC power supply 31 work to export adjustable DC voltage to motherboard 22.
So, time sequence control device 32 can utilize the power supply good signal PWR OK of power supply unit 21 to control the adjustable DC power supply 31 adjustable DC voltage of output synchronously, allow motherboard 22 can continue to carry out boot program, and then allow power supply unit 21 and motherboard 22 all can normally be started.In addition, time sequence control device 32 can power supply unit the DC voltage of desire test of 21 outputs replace the adjustable DC voltage output that power supply good signal PWR OK controls adjustable DC power supply 31, accuse that system circuit 324 is triggered and conducting in the time of can reaching a pre-set ratio in the magnitude of voltage of power supply unit 21 segregate DC voltage.Again, the time sequence control device 32 of present embodiment can be designed to a circumscribed autonomous device, refer to that time sequence control device 32 electrically connects power supply unit 21 and adjustable DC power supply 31 separably, therefore, the time sequence control device 32 of the present embodiment existing adjustable DC power supply 31 of can arranging in pairs or groups is carried out the vdct of computer system, excessively not increase under the cost, the adjustable DC voltage of adjustable DC power supply 31 can be output synchronously with the sequential of power supply unit 21 to motherboard 22, power supply unit 21 and adjustable DC power supply 31 all can normally be activated and adjustable DC power supply 31 can be used to do the voltage modulation of adjustable DC voltage, as boosting or step-down of adjustable DC voltage, with defective and the critical value of finding out design.
According to preceding described, the output that direct-current power supply system 3 of the present invention obtains the sequential of power supply unit 21 and controls adjustable DC voltage according to the sequential of power supply unit 21 with time sequence control device 32 whether, so that adjustable DC voltage can be exported synchronously with the DC voltage of power supply unit 21, to meet the start sequential of power supply unit 21, with under minimum cost, power supply unit 21 can normally be started and adjustable power supply unit 21 also can be made the voltage modulation of adjustable DC voltage, to carry out vdct.
Claims (15)
1. direct-current power supply system, give a computer system in order to supply with an adjustable DC voltage, this computer system has a motherboard and and complies with the power supply unit that its sequential output dc voltage gives this motherboard, it is characterized in that this direct-current power supply system comprises:
One adjustable DC power supply receives an extraneous power supply and controlled this adjustable DC voltage of in good time exporting to this motherboard; And
One sequential control device, electrically connect the power supply unit of this adjustable DC power supply and this computer system, this time schedule controller obtains the sequential of the power supply unit of this computer system and also controls this adjustable this adjustable DC voltage of DC power supply output according to this sequential in good time.
2. direct-current power supply system according to claim 1 is characterized in that: this time sequence control device electrically connects the power supply unit of this computer system separably.
3. direct-current power supply system according to claim 1 is characterized in that: this time sequence control device electrically connects this adjustable DC power supply separably.
4. direct-current power supply system according to claim 1, it is characterized in that: this time sequence control device is serially connected with between this external world's power supply and this adjustable DC power supply, this time sequence control device is controlled this external world's power supply according to the sequential of the power supply unit of this computer system in good time and whether is sent to this adjustable DC power supply, makes this adjustable DC power supply correspondence when receiving this external world power supply export this adjustable DC voltage.
5. direct-current power supply system according to claim 1, it is characterized in that: the power supply unit of this computer system is exported a power supply good signal to this motherboard, and this time sequence control device obtains this power supply good signal and controls the adjustable DC voltage output of this adjustable DC power supply according to the accurate variation in the position of this power supply good signal.
6. direct-current power supply system according to claim 1, it is characterized in that: this time sequence control device obtains the DC voltage of the power supply unit output of this computer system, and this time sequence control device changes the adjustable DC voltage output of controlling this adjustable DC power supply according to the magnitude of voltage of this DC voltage.
7. according to claim 5 or 6 described direct-current power supply systems, it is characterized in that: this time sequence control device contains a control circuit that is serially connected with this external world's power supply and this adjustable DC power supply, this control circuit is controlled this external world's power supply with the sequential of this power supply unit and whether is imported this adjustable DC power supply, and the input that this adjustable DC power supply should external world's power supply is that correspondence should adjustable DC voltage export this motherboard to.
8. direct-current power supply system according to claim 7 is characterized in that: this time sequence control device more contains an output and a warp that receives the power supply unit of this computer system suitably handles the input block that is sent to this control circuit.
9. direct-current power supply system according to claim 8 is characterized in that: this input block is to the output filtering noise of the power supply unit of this computer system.
10. time sequence control device, export a motherboard in adjustable DC voltage to a computer system in order to control an adjustable DC power supply, one power supply unit of this computer system gives this motherboard in order to export a direct current voltage according to its sequential, it is characterized in that this time sequence control device comprises:
Two transmission lines, the power supply unit that electrically connects this computer system respectively and this adjustable DC power supply; And
One control circuit obtains the sequential of the power supply unit of this computer system and also controls this adjustable this adjustable DC voltage of DC power supply output according to this sequential in good time through these transmission lines.
11. time sequence control device according to claim 10 is characterized in that: these transmission lines electrically connect the power supply unit and this adjustable DC power supply of this computer system separably.
12. time sequence control device according to claim 10, it is characterized in that: this control circuit receive an extraneous power supply and according to the sequential of the power supply unit of this computer system in good time through this correspondence transmission line input this adjustable DC power supply, make this adjustable DC power supply correspondence when receiving this external world power supply export this adjustable DC voltage.
13. time sequence control device according to claim 10, it is characterized in that: the power supply unit of this computer system is exported a power supply good signal to this motherboard, and this control circuit obtains this power supply good signal and controls the adjustable DC voltage output of this adjustable DC power supply according to the accurate variation in the position of this power supply good signal.
14. time sequence control device according to claim 10, it is characterized in that: this control circuit obtains the DC voltage of the power supply unit output of this computer system, and this time sequence control device changes the adjustable DC voltage output of controlling this adjustable DC power supply according to the magnitude of voltage of this DC voltage.
15., it is characterized in that: more comprise once this correspondence transmission line and receive the output of this power supply unit and after filtering noise is handled, be sent to the output unit of this control circuit according to claim 13 or 14 described time sequence control devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100267972A CN101241387A (en) | 2007-02-08 | 2007-02-08 | Direct-current power supply system and its sequence control device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100267972A CN101241387A (en) | 2007-02-08 | 2007-02-08 | Direct-current power supply system and its sequence control device |
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| CN101241387A true CN101241387A (en) | 2008-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2007100267972A Pending CN101241387A (en) | 2007-02-08 | 2007-02-08 | Direct-current power supply system and its sequence control device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101825916A (en) * | 2009-03-02 | 2010-09-08 | 鸿富锦精密工业（深圳）有限公司 | Computer system |
| CN101895191A (en) * | 2010-04-08 | 2010-11-24 | 山东高效能服务器和存储研究院 | Method for designing high-power and high-reliability server power supply by using modular power supply |
| CN103185847A (en) * | 2011-12-29 | 2013-07-03 | 英业达股份有限公司 | Auxiliary test device |
-
2007
- 2007-02-08 CN CNA2007100267972A patent/CN101241387A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101825916A (en) * | 2009-03-02 | 2010-09-08 | 鸿富锦精密工业（深圳）有限公司 | Computer system |
| CN101895191A (en) * | 2010-04-08 | 2010-11-24 | 山东高效能服务器和存储研究院 | Method for designing high-power and high-reliability server power supply by using modular power supply |
| CN103185847A (en) * | 2011-12-29 | 2013-07-03 | 英业达股份有限公司 | Auxiliary test device |
| CN103185847B (en) * | 2011-12-29 | 2015-11-25 | 英业达股份有限公司 | Auxiliary test unit |
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Open date: 20080813 |