CN101876844B - Computer system and expandable power supply device thereof - Google Patents
Computer system and expandable power supply device thereof Download PDFInfo
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- CN101876844B CN101876844B CN2009101372513A CN200910137251A CN101876844B CN 101876844 B CN101876844 B CN 101876844B CN 2009101372513 A CN2009101372513 A CN 2009101372513A CN 200910137251 A CN200910137251 A CN 200910137251A CN 101876844 B CN101876844 B CN 101876844B
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Abstract
The invention relates to a computer system and an expandable power supply device thereof, wherein the expandable power supply device comprises N interface units, a judgment unit and a voltage conversion unit, wherein N is an integer not less than 2. The interface units are suitable for being electrically connected with N power suppliers, and levels of (N-1) control signals can be switched according to the connecting state of the interface unit and the N power suppliers. When the interface units are electrically connected with the first to the Mth power suppliers, the judgment unit outputs a starting signal when receiving a power supply reply signal provided by the first to the Mth power suppliers, wherein M is an integer and is not less than 1 and not more than N. Therefore, the voltage conversion unit can enable according to the starting signal, and distributes operating voltages provided by the first to the Mth power suppliers by using control signals, and further generates a power supply voltage.
Description
Technical field
The invention relates to a kind of electric supply installation, and particularly optionally utilize single or a plurality of power supply units to produce the expandable power supply device of supply voltage relevant for a kind of.
Background technology
Along with scientific-technical progress, electronic product is also day by day popularized.Wherein computer system is especially with functional diversification, and receives numerous users' favor.For example, computer system can satisfy the whole demands of people in work, travelling and amusement each side, and the processing on the data such as finance detail, privacy file and the photo of user the individual, business documentation and intelligence creation is provided.
Computer system in the use, electric power supply is a very important ring.In general, computer system must be according to the suitable power supply unit of its power consumption collocation in assembling.Wherein, the main application of power supply unit is to convert alternating current to computer system required DC voltage.Afterwards, the DC voltage that the voltage conversion unit in the computer system just can utilize power supply unit to export produces the required supply voltage of each electronic component in the computer system in regular turn.
Yet; Along with electronic product is constantly weeded out the old and bring forth the new; When the user upgrades the function of each electronic component in the computer system through re-assemblying computer system, user's computer system after old power supply unit can't provide enough wattage to upgrading of meeting mostly.At this moment, the user often must buy the power supply unit of big wattage again, could satisfy the computer system after upgrading.This kind practice not only can increase computer system required hardware cost in upgrading, and for not damaging the power supply unit that but must be replaced as yet, this kind practice also will cause the waste on the resource.
Summary of the invention
The objective of the invention is to; Overcome the defective that existing expandable power supply device exists; And a kind of expandable power supply device of new structure is provided; Technical matters to be solved is to make it be applicable to one or more power supply unit, so that reduce electronic product required hardware cost in upgrading, is very suitable for practicality.
Another object of the present invention is to, a kind of computer system of new structure is provided, technical matters to be solved is to make it install power supply unit additional through expandable power supply device, avoiding the waste on the resource, thereby is suitable for practicality more.
The object of the invention and solve its technical matters and adopt following technical scheme to realize.A kind of expandable power supply device according to the present invention proposes comprises N interface unit, a judging unit and a voltage conversion unit, and wherein N is not less than 2 integer.N interface unit is suitable for being electrical connected with N power supply unit.In addition, N interface unit can switch the level of (N-1) individual control signal according to this according to the connection status of itself and N power supply unit.When N interface unit and the 1st to M power supply unit were electrical connected, judging unit can be exported an enabling signal when receiving the 1st to M the power supply return signal that power supply unit provided, and wherein M is integer and 1≤M≤N.By this, voltage conversion unit can enable according to enabling signal, and utilize these control signals to distribute the 1st and M the operating voltage that power supply unit provided, and then produce a supply voltage.
The object of the invention and solve its technical matters and also can adopt following technical measures further to realize.
In one embodiment of this invention; When (i+1) individual interface unit and (i+1) individual power supply unit are electrical connected; (i+1) individual interface unit will switch to one second level to the level of i control signal from one first level, and wherein M is greater than 1, and i is integer and 1≤i≤(M-1).
In one embodiment of this invention, above-mentioned voltage conversion unit comprises a signal generator, a N switches set, (N-1) individual change-over switch and a power take off.Wherein, signal generator can be exported a plurality of switching signals according to enabling signal.N switches set has an input end, an output terminal and a plurality of control end separately.In addition, the input end of these a switches set and N interface unit electrically connects one to one, to receive the operating voltage from N power supply unit.Moreover the output terminal of these switches set is electrical connected each other, and its control end is in order to receive these switching signals, to switch the conducting state of itself.
Moreover; Concerning (N-1) individual change-over switch; J change-over switch is electrically connected between the input end of j and (j+1) individual switches set, and according to having j control signal of second level and switching to not on-state, and wherein j is integer and 1≤j≤(N-1).On the other hand, power take off is electrically connected to the output terminal of these switches set, to produce supply voltage according to this according to the conducting state of these switches set.
The object of the invention and solve its technical matters and also adopt following technical scheme to realize.From another viewpoint, the present invention also proposes a kind of computer system, comprises a mainboard, a power supervisor and an expandable power supply device.Wherein, power supervisor and expandable power supply device are arranged on the mainboard, and expandable power supply device comprises N interface unit, a judging unit and a voltage conversion unit, and wherein N is not less than 2 integer.In integrated operation, N interface unit is suitable for being electrical connected with N power supply unit, and is electrically connected to power supervisor.
In addition, N interface unit switches the level of (N-1) individual control signal according to this according to the connection status of itself and N power supply unit.When these interface units and the 1st to M power supply unit were electrical connected, power supervisor can transmit a power supply starting signal to the 1 to M power supply unit through these interface units, began power supply to cause the 1st to M power supply unit.
In addition, judging unit can be exported an enabling signal when receiving the 1st to M the power supply return signal that power supply unit provided, and wherein M is integer and 1≤M≤N.By this, voltage conversion unit will enable according to enabling signal, distribute the 1st and M the operating voltage that power supply unit was provided to utilize these control signals, and then produce the required supply voltage of mainboard.
Based on above-mentioned, the present invention connects single or a plurality of power supply units through a plurality of interface units.In addition, the level of the control signal that interface unit produced can be along with the difference of the quantity of the power supply unit that is connected, and produces corresponding change.By this, voltage conversion unit can be redistributed single or the operating voltage that a plurality of power supply unit provided according to control signal, and produce supply voltage according to this.
Thus, expandable power supply device will be applicable to single or a plurality of power supply units.Relatively; When the user finds the electronic product after original power supply unit in the electronic product can't provide enough wattage to upgrading; The user only needs to install extra power supply unit additional through the interface unit in the expandable power supply device, can accomplish the upgrading of electronic product.
For letting the above-mentioned feature and advantage of the present invention can be more obviously understandable, hereinafter is special lifts embodiment, and cooperates appended graphic elaborating as follows.
Description of drawings
Figure 1A is the block diagram according to the expandable power supply device of one embodiment of the invention.
Figure 1B is the block diagram according to the computer system of one embodiment of the invention.
Fig. 2 is the circuit diagram according to the judging unit of one embodiment of the invention.
Fig. 3 is the circuit diagram according to the voltage conversion unit of one embodiment of the invention.
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention; Below in conjunction with accompanying drawing and preferred embodiment; To the computer system and embodiment, structure, characteristic and the effect thereof of its expandable power supply device that proposes according to the present invention, specify as after.
Figure 1A is the block diagram according to the expandable power supply device of one embodiment of the invention.Consult shown in Figure 1A, expandable power supply device 100 comprises N interface unit 110_1-110_N, a judging unit 120 and a voltage conversion unit 130.Wherein, N is not less than 2 integer, that is to say that the described expandable power supply device 100 of present embodiment comprises 2 interface unit 110_1 and 110_2 at least.
On the entity framework, interface unit 110_1-110_N is suitable for being electrical connected with N power supply unit 101_1-101_N, and in order to transmit the signal that power supply unit 101_1-101-N is provided, for example: power supply return signal PWOK
1-PWOK
NAnd operating voltage V
1-V
NDeng.In addition, in practical application, interface unit 110_1-110_N can be made up of a connector respectively, but it is not in order to limit the present invention.
When interface unit 110_1 and power supply unit 101_1 are electrical connected, expandable power supply device 100 can receive power supply return signal PWOK through interface unit 110_1
1And operating voltage V
1Similarly, when interface unit 110_2 and power supply unit 101_2 are electrical connected, expandable power supply device 100 can receive power supply return signal PWOK through interface unit 110_2
2And operating voltage V
2By that analogy, transmit the mechanism of signal between expandable power supply device 100 and the power supply unit 101_3-101_N.
For convenience of description, in the present embodiment, suppose that interface unit 110_1-110_2 is electrical connected with power supply unit 101_1-101_2 respectively, and interface unit 110_3-110_N is not electrically connected to power supply unit 101_3-101_N.That is to say that in following explanation, present embodiment will can receive return signal PWOK through interface unit 110_1-110_2 with expandable power supply device 100
1-PWOK
2And operating voltage V
1-V
2Be example, the operation mechanism of expandable power supply device 100 is described.
In whole start, interface unit 110_1-110_N is can be according to its switching (N-1) individual control signal SCT with the connection status of power supply unit 101_1-101_N and according to this
1-SCT
N-1Level.For instance, because interface unit 110_2 is electrically connected to power supply unit 101_2, so interface unit 110_2 can be with control signal SCT
1Level switch to one second level from one first original level.Relatively, owing to interface unit 110_3-110_N is not electrical connected with power supply unit 101_3-101_N, so control signal SCT
2-SCT
N-1Level will still maintain first level.
On the other hand, judging unit 120 is electrically connected to interface unit 110_1-110_N, so can receive the power supply return signal PWOK that power supply unit 101_1-101_2 is provided
1-PWOK
2At this, judging unit 120 can receive power supply return signal PWOK
1-PWOK
2The time export an enabling signal SEN.It should be noted that power supply unit 101_1-101_2 is the operating voltage V that exports at it
1-V
2When reaching preset value, for example: operating voltage V
1-V
2Magnitude of voltage reach at 90% o'clock, power supply unit 101_1-101_2 just can distinguish out-put supply return signal PWOK
1-PWOK
2
In other words, the operating voltage V that is exported as power supply unit 101_1-101_2
1-V
2When all reaching preset value, judging unit 120 just can be exported enabling signal SEN.At this moment, voltage conversion unit 130 will enable according to enabling signal SEN, and utilize control signal SCT
1-SCT
N-1The operating voltage V that comes power distribution supply 101_1-101_2 to be provided
1-V
2, and then produce a supply voltage VP.What deserves to be mentioned is, present embodiment be the hypothesis expandable power supply device 100 be electrically connected to 2 power supply unit 101_1-101_2, so the time voltage conversion unit 130 be to utilize operating voltage V
1-V
2Produce supply voltage VP.
If expandable power supply device 100 is to be electrically connected to power supply unit 101_1-101_3 respectively through interface unit 110_1-110_3.At this moment, judging unit 120 can receive power supply return signal PWOK
1-PWOK
3The time, operating voltage V just
1-V
3When all reaching preset value, output enabling signal SEN.In addition, voltage conversion unit 130 will enable according to enabling signal SEN, and utilize control signal SCT
1-SCT
N-1Redistribute the operating voltage V that power supply unit 101_1-101_3 is provided
1-V
3, and and then generation supply voltage VP.
In other words, expandable power supply device 100 can electrically connect one or more power supply unit through interface unit 110_1-110_N, and control signal SCT
1-SCT
N-1Level can be along with the difference of the quantity of the power supply unit that is connected, and produce corresponding change.Therefore, voltage conversion unit 130 is at control signal SCT
1-SCT
N-1Operation under, can utilize single or the operating voltage that a plurality of power supply unit provided produces supply voltage VP.
That is to say that expandable power supply device 100 is applicable to single or a plurality of power supply units.Therefore; When expandable power supply device 100 is applied to a certain electronic product; And when the user finds the electronic product after original power supply unit in this electronic product can't provide enough wattage to upgrading; The user only needs to install extra power supply unit additional through the interface unit in the expandable power supply device 100, can accomplish the upgrading of electronic product.
For instance, when expandable power supply device 100 was applied to a computer system, shown in Figure 1B, computer system 10 comprised a mainboard 11, a power supervisor 12 and expandable power supply device 100.At this, power supervisor 12 and expandable power supply device 100 all are arranged on the mainboard 11.In addition, power supervisor 12 is electrically connected to interface unit 110_1-110_N.By this, when power supervisor 12 sends a power supply starting signal PSON, interface unit 110_1-110_N will send power supply starting signal PSON to power supply unit that computer system 10 is electrically connected.
Because being hypothesis interface unit 110_1-110_2, present embodiment is electrically connected to power supply unit 101_1 and 101_2 respectively; So the time power supply starting signal PSON can send power supply unit 101_1 and 101_2 respectively to through interface unit 110_1 and 110_2, and cause power supply unit 101_1 and 101_2 begin the power supply.That is to say that power supply unit 101_1 and the 101-2 of this moment will begin to produce operating voltage V respectively
1With V
2, and at operating voltage V
1With V
2Out-put supply return signal PWOK when reaching preset value
1With PWOK
2
At this moment, expandable power supply device 100 can be crossed interface unit 110_1-110_2 and receive return signal PWOK
1-PWOK
2And operating voltage V
1-V
2, and relevant operation mechanism contains in the above-described embodiments, so do not repeat them here.Yet; What be worth living meaning is; When user's desire upgrading computer system 10; And when finding the computer system 10 after original power supply unit 101_1 and 101_2 can't provide enough wattage to upgrading, the user can utilize remaining interface unit 110_3-110_N to install extra power supply unit additional, can solve the under powered problem of original power supply unit 101_1 and 101_2.
In addition; If need the peripheral assembly (for example: floppy drive, hard disk, fan inside and interface video card etc.) of plug-in to use in the not enough computer system 10 of original power connector that power supply unit 101_1 and 101_2 provided, also can the power connector that peripheral assembly institute desire connects in the computer system 10 be provided through the extra power supply unit that installs additional.In other words, along with the increase of the extra power supply unit that installs additional, the exercisable power connector of peripheral assembly also will increase thereupon in the computer system 10.Thus, not only reach the purpose that makes full use of resource, also reduced computer system 10 required hardware cost in upgrading.
More understand the present invention in order to cause this area to have common knowledge the knowledgeable, below will do further explanation to judging unit in the expandable power supply device 100 120 and voltage conversion unit 130.
Shown in Figure 2 is circuit diagram according to the judging unit of one embodiment of the invention.At this, suppose N=2, just only comprise under the situation of 2 interface unit 110_1 and 110_2 at expandable power supply device 100, and enabling signal SEN and power supply return signal PWOK
1With PWOK
2During for the signal of high-voltage level, then the thin portion framework of judging unit 120 can be as shown in Figure 2.
Consult shown in Figure 2, judging unit 120 comprise one with the door 210 and one switch 220.Wherein, have an input end TM21, an input end TM22 and an output terminal TM23 with door 210.Be electrically connected to interface unit 110_1 and 110_2 respectively with the input end TM21 and the TM22 of door 210, to receive the power supply return signal PWOK that power supply unit 101_1 and 101_2 are provided
1With PWOK
2Moreover first end of switch 220 is electrically connected to the input end TM21 with door 220, and its second end is electrically connected to and the output terminal TM23 of door 220.
When expandable power supply device 100 only is electrically connected to single power supply unit 101_1 through interface unit 110_1, control signal SCT
1To maintain first level, and causes switch 220 maintains conducting state.At this moment, the power supply return signal PWOK that produced of power supply unit 101_1
1To directly be sent to and door 220 output terminal TM23 through switch 220.In other words, as long as the operating voltage V that power supply unit 101_1 is exported
1When reaching preset value, just power supply unit 101_1 transmits power supply return signal PWOK
1During to judging unit 120, judging unit 120 will produce enabling signal SEN immediately.
On the other hand, when expandable power supply device 100 is electrically connected to 2 power supply unit 101_1 and 101_2 respectively through interface unit 110_1 and 110_2, control signal SCT
2To be switched to second level, and causes switch 220 maintains not on-state.At this moment, must receive the power supply return signal PWOK of high-voltage level simultaneously with door 210
1With PWOK
2, could produce the enabling signal SEN of high-voltage level.In other words, the operating voltage V that is exported as power supply unit 101_1-101_2
1-V
2When all reaching preset value, judging unit 120 just can be exported enabling signal SEN.
Shown in Figure 3 is circuit diagram according to the voltage conversion unit of one embodiment of the invention.Consult shown in Figure 3ly, voltage conversion unit 130 comprises a signal generator 310, a N switches set 320_1-320_N, (N-1) individual change-over switch 330_1-330_N-1 and a power take off 340.Wherein, switches set 320_1-320_N is electrically connected to signal generator 310.
In addition, switches set 320_1-320_N has an input end, an output terminal and a plurality of control end separately.The input end of switches set 320_1-320_N and interface unit 110_1-110_N electrically connect one to one, to receive the operating voltage V from power supply unit 101_1-101_N
1-V
NFor instance, in the present embodiment, because expandable power supply device 100 only is electrically connected to power supply unit 101_1-101_2 respectively through interface unit 110_1-110_2.Therefore, the input end of switches set 320_1-320_2 can receive operating voltage V respectively
1-V
2
The output terminal of switches set 320_1-320_N is electrical connected each other and is electrically connected to power take off 340, and the control end of switches set 320_1-320_N is in order to receive a plurality of switching signal S31-S38 that signal generator 310 is exported.By this; When signal generator 310 is exported a plurality of switching signal S31-S38 according to enabling signal SEN; Switches set 320_1-320_N will switch the conducting state of itself according to this, produce corresponding supply voltage VP to cause power take off 340 according to the conducting state of switches set 320_1-320_N.
It should be noted that for the received operating voltage V of the input end of causes switch group 320_1-320_2
1-V
2Can be assigned to remaining switches set 320_3-320_N, (N-1) individual change-over switch 330_1-330_N-1 is connected between the input end of N switches set 320_1-320_N interspersedly.For instance, change-over switch 330_1 is electrically connected between the input end of switches set 320_1 and 320_2, and change-over switch 330_2 is electrically connected between the input end of switches set 320_2 and 320_3.By that analogy, the annexation of change-over switch 330_3-330_N-1 and switches set 320_3-320_N.
In operation, change-over switch 330_1-330_N-1 can be according to control signal SCT
1-SCT
N-1Switch the state of itself.For example: when interface unit 110_2 and power supply unit 101_2 are electrical connected, control signal SCT
1To switch to second level, and cause change-over switch 330_1 to switch to not on-state from conducting state.At this moment, the received operating voltage V of the input end of switches set 320_1
1Can't be assigned to switches set 320_2.
In addition, owing to interface unit 110_3 is not electrical connected with power supply unit 101_3, so control signal SCT
2To maintain first level, and cause change-over switch 330_2 to maintain under the conducting state.At this moment, the received operating voltage V of the input end of switches set 320_2
2Will be assigned to switches set 320_3.Similarly, because remaining control signal SCT
3-SCT
N-1Change-over switch 330_3-330_N-1 also maintains first level, so also will maintain under the conducting state and then the received operating voltage V of the input end of causes switch group 320_2
2Be dispensed to switches set 320_3-320_N.
In other words, along with the change of the state of change-over switch 330_3-330_N-1, no matter voltage conversion unit 130 receives single or a plurality of operating voltages, and switches set 320_3-320_N can be assigned to the operating voltage from power supply unit.That is to say no matter voltage conversion unit 130 receives single or a plurality of operating voltages, signal generator 310 all can be controlled N switches set 320_1-320_N, causes power take off 340 to produce supply voltage VP.
Further, switches set 320_1-320_N comprises 2 driving switchs separately.For instance, switches set 320_1 comprises driving switch 350A and 350B.Wherein, first end of driving switch 350A is electrically connected to the input end of pairing switches set 320_1, and second end is electrically connected to the output terminal of pairing switches set 320_1.In addition, first end of driving switch 350B is electrically connected to second end of driving switch 350A, and its second end is electrically connected to a ground voltage.In whole start, driving switch 350A and 350B are controlled by switching signal S31 and S32 respectively, and switch the conducting state of itself according to this.
Similarly, switches set 320_2 comprises driving switch 360A and 360B.Wherein, first end of driving switch 360A is electrically connected to the input end of pairing switches set 320_2, and second end is electrically connected to the output terminal of pairing switches set 320_2.In addition, first end of driving switch 360B is electrically connected to second end of driving switch 360A, and its second end is electrically connected to ground voltage.In whole start, driving switch 360A and 360B are controlled by switching signal S33 and S34 respectively, and switch the conducting state of itself according to this.By that analogy, the circuit framework of switches set 320_3-320_N and principle of operation.
Please continue to consult shown in Figure 3, power take off 340 comprises an inductance L 31 and a capacitor C 31.Wherein, first end of inductance L 31 is electrically connected to the output terminal of switches set 320_1-320_N, and its second end is in order to output supply voltage VP.First end of capacitor C 31 is electrically connected to second end of inductance L 31, and its second end is electrically connected to ground voltage.By this, along with the change of the conducting state of switches set 320_3-320_N, power take off 340 will be exported corresponding supply voltage VP according to this.
In sum, the present invention connects single or a plurality of power supply units through a plurality of interface units.In addition, the level of the control signal that interface unit produced can be along with the difference of the quantity of the power supply unit that is connected, and produces corresponding change.By this, voltage conversion unit can be redistributed single or the operating voltage that a plurality of power supply unit provided according to control signal, and produce supply voltage according to this.Thus, expandable power supply device will be applicable to single or a plurality of power supply units.Relatively, the user can dispose the power supply unit of respective numbers according to the power consumption of required by electronic product, and need not buy new power supply unit.In other words, expandable power supply device of the present invention not only can reach the purpose that makes full use of resource, has also reduced electronic product required hardware cost in upgrading.
Though the present invention discloses as above with embodiment; Right its is not in order to limit the present invention; Has common knowledge the knowledgeable in the technical field under any; Do not breaking away from the spirit and scope of the present invention, when doing a little change and retouching, so protection scope of the present invention is as the criterion when looking claims person of defining.
Claims (14)
1. expandable power supply device is characterized in that it comprises:
N interface unit is suitable for being electrical connected one to one with N power supply unit, and foundation switches the level of N-1 control signal with the connection status of above-mentioned power supply unit, and wherein N is not less than 2 integer;
Judging unit; Be electrically connected to above-mentioned interface unit; Wherein when above-mentioned interface unit and the 1st to M power supply unit are electrical connected; Above-mentioned judging unit can be exported enabling signal when receiving the 1st to M the power supply return signal that power supply unit provided, and above-mentioned power supply unit is when its operating voltage of exporting reaches preset value, to export above-mentioned power supply return signal, and M is integer and 1≤M≤N; And
Voltage conversion unit; Be electrically connected to above-mentioned interface unit, receiving operating voltage, and enable according to above-mentioned enabling signal from above-mentioned power supply unit; In order to distributing the 1st to M the operating voltage that power supply unit provided with above-mentioned control signal, and then produce supply voltage.
2. expandable power supply device according to claim 1; It is characterized in that; Wherein when i+1 interface unit and i+1 power supply unit are electrical connected; I+1 interface unit will switch to second level to the level of i control signal from first level, and wherein M is greater than 1, and i is integer and 1≤i≤M-1.
3. expandable power supply device according to claim 2 is characterized in that, wherein above-mentioned voltage conversion unit comprises:
Signal generator is exported a plurality of switching signals according to above-mentioned enabling signal;
N switches set; Have input end, output terminal and a plurality of control end separately; The input end of above-mentioned switches set and above-mentioned interface unit electrically connect one to one, and to receive the operating voltage from above-mentioned power supply unit, the output terminal of above-mentioned switches set is electrical connected each other; The control end of above-mentioned switches set is in order to receive above-mentioned switching signal, to switch the conducting state of above-mentioned switches set;
N-1 change-over switch, wherein j change-over switch is electrically connected between the input end of j and j+1 switches set, and switches to not on-state according to having j control signal of above-mentioned second level, and wherein j is integer and 1≤j≤N-1; And
Power take off is electrically connected to the output terminal of above-mentioned switches set, to produce above-mentioned supply voltage according to the conducting state of above-mentioned switches set.
4. expandable power supply device according to claim 3 is characterized in that, wherein above-mentioned switches set comprises separately:
First driving switch, its first end is electrically connected to the input end of pairing switches set, and second end of above-mentioned first driving switch is electrically connected to the output terminal of pairing switches set; And
Second driving switch, its first end is electrically connected to second end of above-mentioned first driving switch, second end of above-mentioned second driving switch is electrically connected to ground voltage, above-mentioned first with above-mentioned second driving switch be controlled by the above-mentioned switching signal of part.
5. expandable power supply device according to claim 3 is characterized in that, wherein above-mentioned power take off comprises:
Inductance, its first end is electrically connected to the output terminal of above-mentioned switches set, and second end of above-mentioned inductance is in order to export above-mentioned supply voltage; And
Electric capacity, its first end is electrically connected to second end of above-mentioned inductance, and second end of above-mentioned electric capacity is electrically connected to ground voltage.
6. expandable power supply device according to claim 2 is characterized in that wherein N equals 2, and above-mentioned judging unit comprises:
With door, have first and second input end, receiving the 1st to the 2nd the power supply return signal that power supply unit was provided, and have output terminal, to produce above-mentioned enabling signal; And
Switch, its first end are electrically connected to first input end above-mentioned and door, and second end of above-mentioned switch is electrically connected to output terminal above-mentioned and door, and wherein above-mentioned switch switches to not on-state according to having the 1st control signal of above-mentioned second level.
7. expandable power supply device according to claim 1 is characterized in that, wherein above-mentioned interface unit is made up of connector respectively.
8. computer system, its characteristic, it comprises:
Mainboard;
Power supervisor is arranged on the above-mentioned mainboard; And
Expandable power supply device is arranged on the above-mentioned mainboard, and comprises:
N interface unit; Be suitable for being electrical connected one to one with N power supply unit; And be electrically connected to above-mentioned power supervisor, and wherein above-mentioned interface unit is according to the connection status of itself and above-mentioned power supply unit and switch the level of N-1 control signal, and N is not less than 2 integer;
Judging unit; Be electrically connected to above-mentioned interface unit; When above-mentioned interface unit and the 1st to M power supply unit are electrical connected; Above-mentioned power supervisor can transmit power supply starting signal to the 1 to M power supply unit through above-mentioned interface unit, begin power supply to cause the 1st to M power supply unit, and above-mentioned judging unit can be exported enabling signal when receiving the 1st to M the power supply return signal that power supply unit provided; And above-mentioned power supply unit is when its operating voltage of exporting reaches preset value, to export above-mentioned power supply return signal, and M is integer and 1≤M≤N; And
Voltage conversion unit; Be electrically connected to above-mentioned interface unit; To receive operating voltage from above-mentioned power supply unit; And, in order to distributing the 1st to M the operating voltage that power supply unit provided with above-mentioned control signal, and then produce the required supply voltage of above-mentioned mainboard according to above-mentioned enabling signal and enabling.
9. computer system according to claim 8; It is characterized in that; Wherein when i+1 interface unit and i+1 power supply unit are electrical connected; I+1 interface unit will switch to second level to the level of i control signal from first level, and wherein M is greater than 1, and i is integer and 1≤i≤M-1.
10. computer system according to claim 9 is characterized in that, wherein above-mentioned voltage conversion unit comprises:
Signal generator is exported a plurality of switching signals according to above-mentioned enabling signal;
N switches set; Have input end, output terminal and a plurality of control end separately; The input end of above-mentioned switches set and above-mentioned interface unit electrically connect one to one, and to receive the operating voltage from above-mentioned power supply unit, the output terminal of above-mentioned switches set is electrical connected each other; The control end of above-mentioned switches set is in order to receive above-mentioned switching signal, to switch the conducting state of above-mentioned switches set;
N-1 change-over switch, wherein j change-over switch is electrically connected between the input end of j and j+1 switches set, and switches to not on-state according to having j control signal of above-mentioned second level, and wherein j is integer and 1≤j≤N-1; And
Power take off is electrically connected to the output terminal of above-mentioned switches set, to produce above-mentioned supply voltage according to the conducting state of above-mentioned switches set.
11. computer system according to claim 10 is characterized in that, wherein above-mentioned switches set comprises separately:
First driving switch, its first end is electrically connected to the input end of pairing switches set, and second end of above-mentioned first driving switch is electrically connected to the output terminal of pairing switches set; And
Second driving switch, its first end is electrically connected to second end of above-mentioned first driving switch, second end of above-mentioned second driving switch is electrically connected to ground voltage, above-mentioned first with above-mentioned second driving switch be controlled by the above-mentioned switching signal of part.
12. computer system according to claim 10 is characterized in that, wherein above-mentioned power take off comprises:
Inductance, its first end is electrically connected to the output terminal of above-mentioned switches set, and second end of above-mentioned inductance is in order to export above-mentioned supply voltage; And
Electric capacity, its first end is electrically connected to second end of above-mentioned inductance, and first end of above-mentioned electric capacity is electrically connected to ground voltage.
13. computer system according to claim 9 is characterized in that wherein N equals 2, and above-mentioned judging unit comprises:
With door, have first and second input end, receiving the 1st to the 2nd the power supply return signal that power supply unit was provided, and have output terminal, to produce above-mentioned enabling signal; And
Switch, its first end are electrically connected to first input end above-mentioned and door, and second end of above-mentioned switch is electrically connected to output terminal above-mentioned and door, and wherein above-mentioned switch switches to not on-state according to having the 1st control signal of above-mentioned second level.
14. computer system according to claim 8 is characterized in that, wherein above-mentioned interface unit is made up of connector respectively.
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| CN2009101372513A CN101876844B (en) | 2009-04-28 | 2009-04-28 | Computer system and expandable power supply device thereof |
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| CN2009101372513A CN101876844B (en) | 2009-04-28 | 2009-04-28 | Computer system and expandable power supply device thereof |
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| CN101876844B true CN101876844B (en) | 2012-04-25 |
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| CN102622072A (en) * | 2012-01-16 | 2012-08-01 | 浪潮电子信息产业股份有限公司 | Method for reducing using quantity of equal-voltage power pack |
| CN107967023A (en) * | 2016-10-20 | 2018-04-27 | 英业达科技有限公司 | Power supply transfer box and fan module |
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| CN1691456A (en) * | 2004-04-12 | 2005-11-02 | 新巨企业股份有限公司 | Interlocking control circuit for paralleling power supply |
| CN101303617A (en) * | 2008-06-30 | 2008-11-12 | 华硕电脑股份有限公司 | Parallel type power supply apparatus system, computer as well as power supply feed method |
| CN201226136Y (en) * | 2008-06-06 | 2009-04-22 | 至宝电脑兴业股份有限公司 | Control architecture for power supply group set |
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| CN1691456A (en) * | 2004-04-12 | 2005-11-02 | 新巨企业股份有限公司 | Interlocking control circuit for paralleling power supply |
| CN201226136Y (en) * | 2008-06-06 | 2009-04-22 | 至宝电脑兴业股份有限公司 | Control architecture for power supply group set |
| CN101303617A (en) * | 2008-06-30 | 2008-11-12 | 华硕电脑股份有限公司 | Parallel type power supply apparatus system, computer as well as power supply feed method |
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