CN101957647A - Portable computer system, relevant power supply device and charging method - Google Patents

Portable computer system, relevant power supply device and charging method Download PDF

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Publication number
CN101957647A
CN101957647A CN2009101575861A CN200910157586A CN101957647A CN 101957647 A CN101957647 A CN 101957647A CN 2009101575861 A CN2009101575861 A CN 2009101575861A CN 200910157586 A CN200910157586 A CN 200910157586A CN 101957647 A CN101957647 A CN 101957647A
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rechargeable battery
electric storage
circuit
testing result
computer system
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CN2009101575861A
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CN101957647B (en
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吴德隆
李俊达
陈建良
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Wistron Corp
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Wistron Corp
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Abstract

The invention relates to a portable computer system, a relevant power supply device and a charging method and in particular provides a portable computer system. The portable computer system comprises a host, an electricity storage device and a base, wherein the electricity storage device is arranged in the host and used for detecting current from a first power supply jack to a first power end so as to generate a first detection result and charging a first rechargeable battery according to a first control signal; the base can be embedded in the host in a pluggable mode and used for detecting current from a second power supply jack to a second power supply end so as to generate a second detection result and charging a second rechargeable battery according to a second control signal; and the base comprises a control device and is used for outputting the first control signal and the second control signal according to the first detection result and the second detection result so as to control the charging operations to the first rechargeable battery and the second rechargeable battery. The invention can improve the convenience when in use and also can protect the normal operation of the system.

Description

Portable computer system and line related feeding mechanism and charging method
Technical field
The present invention relates to a kind of portable computer system and line related feeding mechanism and charging method; relate in particular to a kind of convenience that promotes when using, but portable computer system and the line related feeding mechanism and the charging method of while protection system normal operation.
Background technology
Along with the progress of development of science and technology and industry, the chance that portable electron device (as: notebook computer, mobile phone, camera, MP3 player etc.) is used in daily life also significantly increases.Carry for the convenience of the users, portable electron device all is equipped with the rechargeable battery that is used for storing electric power, so that portable electron device required electric power of when running to be provided.Because the electric weight that rechargeable battery can store is limited, when the electric weight of rechargeable battery exhausted, the user must change the battery of electric weight abundance or use other power sources, could continue to use portable computer system.
At notebook computer, for fear of the inconvenience that frequent replacing battery is brought, known technology discloses a kind of base (Dock) with rechargeable battery, and it can be connected with notebook computer by special interface, reaches the purpose of double cell.For instance, please refer to Fig. 1, Fig. 1 is the synoptic diagram of a known notebook computer 100.Notebook computer 100 includes a rechargeable battery 102, and can be connected with a base 106 by an interface 104, and other fixed mechanisms then omit and do not draw, in the hope of succinctly.Base 106 consists predominantly of rechargeable battery, and can comprise the connectivity port of extended interface, as the connectivity port of interfaces such as USB, IEEE 1394.When notebook computer 100 with after base 106 combines, notebook computer 100 has promptly increased a rechargeable battery, thereby can extend working time.
Generally speaking, when notebook computer 100 with after base 106 combines, notebook computer 100 is to be the battery of preferential discharge with the rechargeable battery in the base 106, and serves as the battery of preferential charging with rechargeable battery 102.That is to say, when notebook computer 100 is not connected to external power supply, discharge to system earlier by the rechargeable battery in the base 106, treat that rechargeable battery power supply in the base 106 exhausts after, the beginning changes by rechargeable battery 102 discharges.Relatively, when notebook computer 100 is connected to external power supply, earlier rechargeable battery 102 is charged, battery 102 to be charged just charges to the rechargeable battery in the base 106 after filling and satisfying.Thus, can guarantee that after base 106 removed, rechargeable battery 102 still can provide electric power, to keep system's normal operation.Yet because notebook computer 100 or base 106 can only be controlled affiliated charging circuit respectively, and therefore uncontrollable another charging circuit may cause charging current excessive, and causes transformer overload.For fear of this situation, wherein a kind of known technology is provided with special mechanism on base 106, be used at notebook computer 100 with after base 106 combines, block the power supply patchhole on the notebook computer 100, and the power supply patchhole on the seat 106 of only keeping on file avoids the power supply patchhole on the notebook computer 100 to connect transformer.Another kind of known technology is a wattage of going to control charging with the battery charge controller of notebook computer 100 motherboards, but this can allow interface 104 need to transmit high voltage, may produce unnecessary risk, simultaneously, after notebook computer 100 separates with base 106, base 106 just can not charge, the convenience when influence is used.
Convenience when existence is used promoting, but the portable computer system of while protection system normal operation and the demand of line related feeding mechanism and charging method.
Summary of the invention
Therefore, fundamental purpose of the present invention promptly is to provide a kind of portable computer system and line related feeding mechanism and charging method.
The present invention discloses a kind of portable computer system, includes a main frame, an electric storage device and a base.This main frame includes a computing circuit.This electric storage device is located in this main frame, includes one first power end, is coupled to this computing circuit; One first supply hub is used for a chimeric transformer; One first current detection circuit is coupled between this first supply hub and this first power end, is used for detecting by the electric current of this first supply hub to this first power end, to produce one first testing result; One first rechargeable battery; One first switch is coupled between this first rechargeable battery and this first power end, is used for electric weight according to this first rechargeable battery, switches being connected of this first rechargeable battery and this first power end; And one first charging circuit, be coupled to this first power end and this first rechargeable battery, be used for this first rechargeable battery being charged according to one first control signal.This base, but be embedded in this main frame with pluggable mode, include a second source end, be coupled to this computing circuit; One second source jack is used for chimeric this transformer; One second current detection circuit is coupled between this second source jack and this second source end, is used for detecting by the electric current of this second source jack to this second source end, to produce one second testing result; One second rechargeable battery; One second switch is coupled between this second rechargeable battery and this second source end, is used for electric weight according to this second rechargeable battery, switches being connected of this second rechargeable battery and this second source end; One second charging circuit is coupled to this second source end and this second rechargeable battery, is used for according to one second control signal this second rechargeable battery being charged; An and control device, be coupled to this first current detection circuit, this first charging circuit, this second current detection circuit and this second charging circuit, be used for according to this first testing result and this second testing result, export this first control signal and this second control signal, to control this first charging circuit and this second charging circuit.
The present invention also discloses a kind of power supply device that is used for an electronic installation, includes a plurality of electric storage devices and a control device.Each electric storage device of these a plurality of electric storage devices includes a power end, is coupled to a main frame of this electronic installation; One supply hub is used for a chimeric transformer; One current detection circuit is coupled between this supply hub and this power end, is used for detecting by the electric current of this supply hub to this power end, to produce a testing result; One rechargeable battery; One switch is coupled between this rechargeable battery and this power end, is used for electric weight according to this rechargeable battery, switches being connected of this rechargeable battery and this power end; And a charging circuit, be coupled to this power end and this rechargeable battery, be used for this rechargeable battery being charged according to a control signal.This control device is coupled to a plurality of current detection circuits and a plurality of charging circuit of these a plurality of electric storage devices, is used for a plurality of testing results according to this a plurality of current detection circuits, exports a plurality of control signals, to control these a plurality of charging circuits.
The present invention also discloses a kind of charging method that is used for an electronic installation, and this electronic installation includes a plurality of electric storage devices, and this charging method includes the electric current that each electric storage device received that detects these a plurality of electric storage devices, to produce a plurality of testing results; And, control the charging running of these a plurality of electric storage devices according to these a plurality of testing results.
The present invention is according to the current detecting result, and the running of control charging circuit, thereby " fool proof " mechanism need be set block supply hub can be avoided transformer overload and burns.In addition, need the high voltage signal of transmission less between base and main frame, can reduce the possibility that produces unnecessary risk.Therefore, the convenience when the present invention uses except promoting, but protection system normal operation simultaneously.
Description of drawings
Fig. 1 is the synoptic diagram of a known notebook computer.
Fig. 2 is the functional block diagram of a portable computer system of the embodiment of the invention.
Fig. 3 A is an alternate embodiment synoptic diagram of the portable computer system of Fig. 2.
Fig. 3 B is the synoptic diagram of the control device of Fig. 2.
Fig. 4 is the synoptic diagram of the embodiment of the invention one power supply device.
Fig. 5 is the synoptic diagram of the embodiment of the invention one charging flow.
The primary clustering symbol description:
100 notebook computers, 230 second charging circuits
102 rechargeable batteries, 232,402 control device
104 interface C1, first control signal
106,202 base C2, second control signal
20 portable computer system R1, first testing result
200,400 main frame R2, second testing result
204 computing circuits, 300 first change-over circuits
206, PST_1~PST_n electric storage device 302 second change-over circuits
208 first power end CMP1, CMP2 comparer
210 first supply hubs, 304 signal generators
212 first current detection circuits, 40 power supply devices
214 first rechargeable battery T_1~T_n power ends
216 first switch R_1~R_n supply hubs
218 first charging circuit CSC_1~CSC_n current detection circuits
220 second source end BT_1~BT_n rechargeable batteries
222 second source jack SW_1~SW_n switches
224 second current detection circuit CHR_1~CHR_n charging circuits
226 second rechargeable battery CTR_1~CTR_n control signals
228 second switches SR_1~SR_n testing result
Embodiment
Please refer to Fig. 2, Fig. 2 is the functional block diagram of a portable computer system 20 of the embodiment of the invention.Portable computer system 20 includes a main frame 200 and a base 202.Main frame 200 includes a computing circuit 204 and an electric storage device 206, and base 202 then is embedded in main frame 200 with pluggable mode, promptly is similar to example shown in Figure 1.Computing circuit 204 is used for realizing the function of portable computer system 20, and it may include central processing unit, storer, storage device, display device, input interface etc.Electric storage device 206 includes one first power end 208, one first supply hub 210, one first current detection circuit 212, one first rechargeable battery 214, one first switch 216 and one first charging circuit 218.First power end 208 is used for power supply to computing circuit 204.First supply hub 210 can chimeric external power supply, the i.e. output terminal of a transformer.First current detection circuit 212 can detect the size of current of first supply hub, 210 to first power ends 208, and produces one first testing result R1.First charging circuit 218 can charge to first rechargeable battery 214 according to one first control signal C1.216 electric weight according to first rechargeable battery 214 of first switch switch being connected of first rechargeable battery 214 and first power end 208.Base 202 includes a second source end 220, a second source jack 222, one second current detection circuit 224, one second rechargeable battery 226, a second switch 228 and one second charging circuit 230, and its framework and function mode all are similar to electric storage device 206.That is second source end 220 is used for power supply to computing circuit 204; Second source jack 222 can a chimeric transformer output terminal; Second current detection circuit 224 can detect the size of current of second source jack 222 to second source end 220, and produces one second testing result R2; Second charging circuit 230 can charge to second rechargeable battery 226 according to one second control signal C2; And 228 electric weight according to second rechargeable battery 226 of second switch, switch being connected of second rechargeable battery 226 and second source end 220.In addition, base 202 also includes a control device 232, be used for exporting the first control signal C1 and second control signal C2 to the first charging circuit 218 and second charging circuit 230,, be described in detail as follows to control the running of first rechargeable battery 214 and second rechargeable battery 226.
When main frame 200 with after base 202 combines, main frame 200 is to be the battery of preferential discharge with second rechargeable battery 226 in the base 202, and serves as the battery of preferential charging with first rechargeable battery 214.That is to say that when not connecting external power supply, portable computer system 20 is given computing circuit 204 by 226 discharges of second rechargeable battery earlier, treat that second rechargeable battery, 226 power supplys exhaust after, just change by first rechargeable battery 214 and discharge.Relatively, when main frame 200 is connected to external power supply, earlier first rechargeable battery 214 is charged, treat first rechargeable battery 214 fill full after, just second rechargeable battery 226 is charged.In this case, because first supply hub 210 and second source jack 222 all can chimeric transformers, therefore relevant charging function mode can divide following two kinds of situations to do explanation.
First, if first supply hub 210 is chimeric when a transformer is arranged, the direct supply that transformer provided can be via first supply hub 210 and first current detection circuit 212, export first power end 208 to, being supplied to the computing circuit 204 and first charging circuit 218, and further be supplied to second source end 220.At this moment, control device 232 can be controlled first charging circuit 218 and preferentially first rechargeable battery 214 be charged by the first control signal C1 and the second control signal C2.Simultaneously, if dump power arranged, promptly the first testing result R1 show first supply hub, 210 to first power ends 208 electric current less than a preset value, then control device 232 can also charge to second rechargeable battery 226 by control second charging circuit 230.On the contrary, if the first testing result R1 shows when the electric current of first supply hub, 210 to first power ends 208 surpasses preset value, indication transformer may face the risk of overload, then control device 232 can be controlled second charging circuit 230 according to this and reduces or stop charging current to second rechargeable battery 226, or further control the power consumption of computing circuit 204, as reducing rotation speed of the fan, reducing the operation rate of central processing unit etc.Thus, also can avoid the possibility of transformer overload, to keep system's normal operation except guaranteeing preferentially to 214 chargings of first rechargeable battery.
Second, if second source jack 222 is chimeric when a transformer is arranged, the direct supply that transformer provided can be via the second source jack 222 and second current detection circuit 224, export second source end 220 to, being supplied to the computing circuit 204 and second charging circuit 230, and further be supplied to first power end 208.At this moment, control device 232 can be controlled first charging circuit 218 and preferentially first rechargeable battery 214 be charged by the first control signal C1 and the second control signal C2.Simultaneously, if dump power arranged, promptly the second testing result R2 show second source jack 222 to the electric current of second source end 220 less than a particular value, then control device 232 can also charge to second rechargeable battery 226 by control second charging circuit 230.On the contrary, if the second testing result R2 shows that second source jack 222 is when the electric current of second source end 220 surpasses particular value, indication transformer may face the risk of overload, then control device 232 can be controlled second charging circuit 230 according to this and reduces or stop charging current to second rechargeable battery 226, or further control the power consumption of computing circuit 204, as reducing rotation speed of the fan, reducing the operation rate of central processing unit etc.Thus, also can avoid the possibility of transformer overload, to keep system's normal operation except guaranteeing preferentially to 214 chargings of first rechargeable battery.
Above-mentioned two kinds of situations are for to be based upon on the basis of " preferentially first rechargeable battery 214 being charged ", and spirit of the present invention is to detect earlier the size of transformer output current, the running of control charging according to this again, therefore, other variations of deriving also belong to category of the present invention, as " preferentially second charging circuit 230 being charged ", " preferentially having the charging circuit of a side of transformer to charge to chimeric " etc.In addition, imitative this notion, also can derive is " double cell charges simultaneously ", for example, control device 232 is controlled first charging circuit 218 and second charging circuit 230 and simultaneously first rechargeable battery 214 and second rechargeable battery 226 is charged according to the first testing result R1 and the second testing result R2.In addition, portable computer system 20 shown in Figure 2 is embodiments of the invention, and those skilled in the art work as can do different variations according to this, and is not limited thereto.For instance, if the signal level that first current detection circuit 212 produces is lower, as shown in Figure 3A, can increase by one first change-over circuit 300 at first current detection circuit 212 and 232 of control device, and at second current detection circuit 224 and 232 increases of control device, one second change-over circuit 302, be used for respectively changing or amplifying the first testing result R1 and the second testing result R2, make control device 232 can correctly judge the output current size of transformer.Further, first change-over circuit 300 and second change-over circuit 302 can be integrated into first charging circuit 218 and second charging circuit 230, for example use circuit idle in first charging circuit 218 and second charging circuit 230 to realize first change-over circuit 300 and second change-over circuit 302, to reduce layout area.
In addition, the implementation of control device 232 also is not limited to specific components, as long as can be according to the first testing result R1 and the second testing result R2, correctly controls first charging circuit 218 and second charging circuit 230 gets final product.For example, Fig. 3 B is the synoptic diagram of an embodiment of control device 232.In Fig. 3 B, control device 232 includes comparator C MP1, CMP2 and a signal generator 304.Comparator C MP1, CMP2 can compare the first testing result R1 and the second testing result R2 and a reference signal VREF, and signal generator 304 produces the first control signal C1 and the second control signal C2 then according to comparative result.In some cases, also the comparative result of comparator C MP1, CMP2 can be used as the first control signal C1 and the second control signal C2, to omit signal generator 304.Be noted that only in order to the possible embodiment of explanation control device 232, those skilled in the art are when realizing control device 232 in modes such as hardware circuit, firmware, softwares, and be not limited thereto according to required for Fig. 3 B.For example, if realize control device 232 in the firmware mode, then can be by write-in program codes such as keyboard controller, to reach the function of control device 232.In addition, in Fig. 2, control device 232 is located at base 202, and in fact, it also can be located in the main frame 200.
From the above, portable computer system 20 includes two available supply hubs (first supply hub 210 and second source jack 222), that is the present invention need not be provided with " fool proof " mechanism and blocks wherein a supply hub.In this case, when user's desire is used external power supply (transformer) operation portable computer system 20 or is charged, the user can insert transformer first supply hub 210 or second source jack 222 arbitrarily, then control device 232 can be according to the first testing result R1 or the second testing result R2, control the running of first charging circuit 218 and second charging circuit 230, avoid transformer overload and burn.Therefore, the convenience when the present invention uses except promoting, but protection system normal operation simultaneously.In addition, owing to be located at the control device 232 of base 202 by the first testing result R1 and the first control signal C1, first charging circuit 218 of main control system 200, in other words, 200 in base 202 and main frame need the only power supply of first power end 208 and 220 transmission of second source end of the high voltage signals that transmit, can avoid noble potential transmission ends in user's false touch connector, avoid producing short circuit, to reduce the possibility that produces unnecessary risk, promote fiduciary level.
In Fig. 2, electric storage device 206 and base 202 can be considered the power supply device of double cell, can derive the power supply device of many batteries in view of the above.Please refer to Fig. 4, Fig. 4 is the synoptic diagram of the embodiment of the invention one power supply device 40.Power supply device 40 is used for a main frame 400 of power supply to an electronic installation, and it includes an electric storage device PST_1~PST_n and a control device 402.The framework of electric storage device PST_1~PST_n and function mode all are same as the electric storage device 206 of Fig. 2, for example, electric storage device PST_1 includes a power end T_1, a supply hub R_1, a current detection circuit CSC_1, a rechargeable battery BT_1, a switch SW _ 1 and a charging circuit CHR_1.Current detection circuit CSC_1 can detect the electric current of supply hub R_1 to power end T_1, gives control device 402 to produce a testing result SR_1.By that analogy, testing result SR_1~SR_n that control device 402 can be produced according to electric storage device PST_1~PST_n, CTR_1~CTR_n is to charging circuit CHR_1~CHR_n for the output control signal, to control corresponding charging operation situation.For instance, when a certain testing result SR_x shows that corresponding supply hub R_x is when the electric current of power end T_x surpasses preset value, the charging circuit of control device 402 other electric storage devices of may command reduces power supply to be supplied with, or reduces the electrical source consumption of main frame 400, to avoid transformer overload.
Be noted that power supply device 40 is derived by the portable computer system 20 of Fig. 2, so detail operations or variation can be with reference to above stated specification.For example, control device 402 can be to realize in modes such as hardware circuit, firmware, softwares, and preferably is arranged on the external electric storage device, but this external electric storage device be installed in the electronic installation with pluggable mode, be not limited thereto certainly.In addition, also can copy Fig. 3, at current detection circuit CSC_1~CSC_n and 402 increase change-over circuits of control device, in order to transition detection SR_1~SR_n as a result; Or the change-over circuit that is increased is integrated among charging circuit CHR_1~CHR_n, to promote positioning efficiency.
Further, the function mode of power supply device 40 can reduce a charging flow 50, as shown in Figure 5.Charging flow 50 comprises following steps:
Step 500: beginning.
Step 502: detect the electric current that electric storage device PST_1~PST_n is received, to produce testing result SR_1~SR_n.
Step 504: according to testing result SR_1~SR_n, the running of control charging circuit CHR_1~CHR_n.
Step 506: finish.
The detailed description of charging flow 50 can not given unnecessary details at this with reference to aforementioned.
In sum, the present invention is according to the current detecting result, and the running of control charging circuit, thereby " fool proof " mechanism need be set block supply hub can be avoided transformer overload and burns.In addition, in the present invention, need the high voltage signal of transmission less between base and main frame, can reduce the possibility that produces unnecessary risk.Therefore, the convenience when the present invention uses except promoting, but protection system normal operation simultaneously.
The above only is preferred embodiment of the present invention, and all equalizations of being done according to claim scope of the present invention change and modify, and all should belong to covering scope of the present invention.

Claims (20)

1. portable computer system comprises:
One main frame, described main frame comprises a computing circuit;
One electric storage device is located in the described main frame, and described electric storage device comprises:
One first power end is coupled to described computing circuit;
One first supply hub is used for a chimeric transformer;
One first current detection circuit is coupled between described first supply hub and described first power end, is used for detecting by the electric current of described first supply hub to described first power end, to produce one first testing result;
One first rechargeable battery;
One first switch is coupled between described first rechargeable battery and described first power end, is used for electric weight according to described first rechargeable battery, switches being connected of described first rechargeable battery and described first power end; And
One first charging circuit is coupled to described first power end and described first rechargeable battery, is used for according to one first control signal described first rechargeable battery being charged; And
One base, but be embedded in described main frame with pluggable mode, and described base comprises:
One second source end is coupled to described computing circuit;
One second source jack is used for chimeric described transformer;
One second current detection circuit is coupled between described second source jack and the described second source end, is used for detecting by the electric current of described second source jack to described second source end, to produce one second testing result;
One second rechargeable battery;
One second switch is coupled between described second rechargeable battery and the described second source end, is used for electric weight according to described second rechargeable battery, switches being connected of described second rechargeable battery and described second source end;
One second charging circuit is coupled to described second source end and described second rechargeable battery, is used for according to one second control signal described second rechargeable battery being charged; And
One control device, be coupled to described first current detection circuit, described first charging circuit, described second current detection circuit and described second charging circuit, be used for according to described first testing result and described second testing result, export described first control signal and described second control signal, to control described first charging circuit and described second charging circuit.
2. portable computer system as claimed in claim 1, when wherein said control device shows that in described first testing result extremely the electric current of described first power end surpasses a preset value by described first supply hub, control described second charging circuit reduction power supply of described second rechargeable battery is supplied with.
3. portable computer system as claimed in claim 2, wherein said control device also is used for reducing the electrical source consumption of described computing circuit when described first testing result shows that extremely the electric current of described first power end surpasses described preset value by described first supply hub.
4. portable computer system as claimed in claim 1, when wherein said control device shows that in described second testing result extremely the electric current of described second source end surpasses a preset value by described second source jack, control described first charging circuit reduction power supply of described first rechargeable battery is supplied with.
5. portable computer system as claimed in claim 4, wherein said control device also is used for reducing the electrical source consumption of described computing circuit when described second testing result shows that extremely the electric current of described second source end surpasses described preset value by described second source jack.
6. portable computer system as claimed in claim 1, wherein said first electric storage device also comprises a change-over circuit, is used for changing described first testing result.
7. portable computer system as claimed in claim 6, wherein said change-over circuit is incorporated in the described charging circuit.
8. portable computer system as claimed in claim 1, wherein said second electric storage device also comprises a change-over circuit, is used for changing described second testing result.
9. portable computer system as claimed in claim 8, wherein said change-over circuit is integrated in the described charging circuit.
10. portable computer system as claimed in claim 1, wherein said control device is realized with firmware.
11. a power supply device that is used for an electronic installation comprises:
A plurality of electric storage devices, each electric storage device comprises:
One power end is coupled to a main frame of described electronic installation;
One supply hub is used for a chimeric transformer;
One current detection circuit is coupled between described supply hub and the described power end, is used for detecting by the electric current of described supply hub to described power end, to produce a testing result;
One rechargeable battery;
One switch is coupled between described rechargeable battery and the described power end, is used for electric weight according to described rechargeable battery, switches being connected of described rechargeable battery and described power end; And
One charging circuit is coupled to described power end and described rechargeable battery, is used for according to a control signal, and is right
Described rechargeable battery charges; And
One control device is coupled to a plurality of current detection circuits and a plurality of charging circuit of described a plurality of electric storage devices, is used for a plurality of testing results according to described a plurality of current detection circuits, exports a plurality of control signals, to control described a plurality of charging circuit.
12. power supply device as claimed in claim 11, when wherein said control device showed that in a testing result of an electric storage device electric current by the power end of supply hub to a correspondence of a correspondence surpasses a preset value, the charging circuit of controlling other electric storage devices reduced power supply and supplies with.
13. power supply device as claimed in claim 12, wherein said control device also is used for described testing result at described electric storage device and shows when surpassing described preset value by the supply hub of described correspondence to the electric current of the power end of described correspondence, reduces the electrical source consumption of described main frame.
14. power supply device as claimed in claim 11, wherein said control device are located at a specific electric storage device of described a plurality of electric storage devices, but described specific electric storage device is arranged in the described electronic installation with pluggable mode.
15. power supply device as claimed in claim 11, wherein said each electric storage device also comprises a change-over circuit, is used for changing described testing result.
16. power supply device as claimed in claim 15, wherein said change-over circuit is integrated in the described charging circuit.
17. power supply device as claimed in claim 11, wherein said control device is realized with firmware.
18. power supply device as claimed in claim 11, wherein said electronic installation are a computer system.
19. a charging method that is used for an electronic installation, described electronic installation comprises a plurality of electric storage devices, and described charging method comprises:
Detect the electric current that each electric storage device received of described a plurality of electric storage devices, to produce a plurality of testing results; And
According to described a plurality of testing results, control the charging running of described a plurality of electric storage devices.
20. charging method as claimed in claim 19, wherein according to described a plurality of testing results, control the step of the running of described a plurality of electric storage devices, when showing that in a testing result electric current that an electric storage device received surpasses a preset value, reduce the electric current that other electric storage devices receive.
CN2009101575861A 2009-07-15 2009-07-15 Portable computer system, relevant power supply device and charging method Expired - Fee Related CN101957647B (en)

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CN107221969A (en) * 2016-03-22 2017-09-29 英特希尔美国公司 multi-charger configuration in a system
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US8975871B2 (en) 2011-05-26 2015-03-10 Asustek Computer Inc. Power management method and electronic system using the same
CN102801188B (en) * 2011-05-26 2015-05-20 华硕电脑股份有限公司 Power management method and electronic system using the same
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CN107221969A (en) * 2016-03-22 2017-09-29 英特希尔美国公司 multi-charger configuration in a system
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CN108321860A (en) * 2017-01-18 2018-07-24 广达电脑股份有限公司 Bidirectional charging and discharging circuit architecture
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