CN106663962A - Power supply control device and information processing device - Google Patents
Power supply control device and information processing device Download PDFInfo
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- CN106663962A CN106663962A CN201580044151.XA CN201580044151A CN106663962A CN 106663962 A CN106663962 A CN 106663962A CN 201580044151 A CN201580044151 A CN 201580044151A CN 106663962 A CN106663962 A CN 106663962A
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- Prior art keywords
- power supply
- power
- mentioned
- supply
- battery
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Theoretical Computer Science (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Stand-By Power Supply Arrangements (AREA)
- Power Sources (AREA)
Abstract
According to an embodiment of the present invention, a power supply control apparatus is provided with: an external power supply monitor unit that determines whether the voltage value of an external power supply is equal to or lower than a predetermined first reference voltage value; a first switch unit that switches power supply with respect to a system control unit from power supply from the external power supply to power supply from a capacitor when the external power supply monitor unit determined that the voltage value of the external power supply is equal to or lower than the predetermined first reference voltage value; a capacitor monitor unit that determines whether the charge quantity of the capacitor is equal to or lower than a predetermined reference charge quantity; and a second switch unit that switches the power supply with respect to the system control unit from the power supply from the capacitor to the power supply from the battery when the capacitor monitor unit determined, at the time of being supplied with power from the capacitor, that the charge quantity of the capacitor is equal to or lower than the predetermined reference charge quantity.
Description
Technical field
The present invention relates to power control and information processor.
Background technology
Information processor used in the industrial system field such as communication equipment or broadcasting equipment, workshop facility has high demands
Reliability.Therefore, by the internal or external setting auxiliary power unit in information processor, even if sending out in system operating
Give birth in the case of power failure or power failure and also within a certain period of time the standby of power supply have been realized to information processor, so that being
System continuation action, prevents the failures such as the damage of program, data.
Battery used in auxiliary power unit is usually used chargeable 2 primary cell.There is lead electric power storage in 2 primary cells
Pond, Ni-Cr battery, Ni-MH battery, lithium ion battery etc., these 2 primary cells have discharge and recharge number of times more increases life-span shorter class
Topic.
Citation
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2010-16996 publications
The content of the invention
The invention technical problem to be solved
The invention solves the problems that problem be, there is provided can make at the power control and information of battery long lifetime
Reason device.
Means for solving the problem
In order to solve above-mentioned problem, the power control of embodiment receives power supply supply, to information from external power source
The systems control division supply power supply of processing meanss, wherein, possess：Capacitor, receives power supply and supplies and quilt from said external power supply
Electric power storage；Battery, receives power supply supply and is electrically charged from said external power supply；External power source monitoring unit, judges said external power supply
Magnitude of voltage whether be changed into specify the first reference voltage value below；First switching part, when being sentenced by said external power monitoring portion
When being set to below the first reference voltage value that the magnitude of voltage of said external power supply is regulation, by the power supply to said system control unit
Supplying from the power supply supply based on said external power supply switches to the power supply based on above-mentioned capacitor to supply；Capacitor monitoring unit,
When carrying out power supply from above-mentioned capacitor and supplying, judge the quantity of electric charge of above-mentioned capacitor whether be changed into the reference charge amount that specifies with
Under；Second switching part, when above-mentioned capacitor monitoring unit is judged to that the quantity of electric charge of above-mentioned capacitor is changed into the reference charge amount for specifying
When following, switch to supplying to the power supply of said system control unit from the power supply supply based on above-mentioned capacitor based on above-mentioned electricity
The power supply supply in pond；And power suppling part, by the out-put supply carried out based on above-mentioned second switching part to said system control
Portion processed is supplied.
Additionally, the information processor of embodiment, possesses systems control division and receives power supply supply simultaneously from external power source
The power control of power supply is supplied to above-mentioned systems control division, wherein, above-mentioned power control possesses：Capacitor, from upper
State external power source receive power supply supply and by electric power storage；Battery, receives power supply supply and is electrically charged from said external power supply；External electrical
Whether source monitoring unit, the magnitude of voltage for judging said external power supply is changed into below the first reference voltage value of regulation；First switching part,
When it is below the first reference voltage value for specifying to be judged to the magnitude of voltage of said external power supply by said external power monitoring portion,
Switch to supplying to the power supply of said system control unit from the power supply supply based on said external power supply based on the electricity of capacitor
Source supplies；Whether capacitor monitoring unit, the quantity of electric charge for judging above-mentioned capacitor is changed into below the reference charge amount of regulation；Second cuts
Portion is changed, when power supply supply is carried out from above-mentioned capacitor, when above-mentioned capacitor monitoring unit is judged to that the quantity of electric charge of capacitor is changed into
When below the reference charge amount of regulation, supply supplying the power supply of said system control unit from the power supply based on above-mentioned capacitor
The power supply based on battery is switched to supply；And power suppling part, the out-put supply that will be carried out based on above-mentioned second switching part
Supplied to above-mentioned systems control division.
Description of the drawings
Fig. 1 is the structure chart of the information processor for possessing power control of first embodiment.
Fig. 2 is the flow chart of the power backup of the power control of first embodiment.
Fig. 3 is the structure chart of the information processor for possessing power control of second embodiment.
Fig. 4 is the flow chart of the power backup of the power control of second embodiment.
Fig. 5 is the structure chart of the information processor for possessing power control of the 3rd embodiment.
Specific embodiment
Hereinafter, with reference to the accompanying drawings of the information processor of the power control for possessing embodiment.
First embodiment
Fig. 1 is the structure chart of the information processor for possessing power control of first embodiment.
In Fig. 1, information processor 1 is made up of power control 19 and systems control division 20.Power control 19
It is that outside AC power supplies (source power supply, AC) is converted to into D/C power and the power supply control of D/C power is supplied to systems control division 20
Device processed.Power control 19 possesses power subsystem 2, EDLC (double layer capacitor (Electric Double Layer
Capacitor), capacitor) 7, EDLC switching circuits 11 (the first switching part), EDLC monitoring circuits 13, battery (2 primary cell) 8,
Battery switching circuit 12 (the second switching part).Systems control division 20 is the processing unit that system control is carried out by CPU, LSI.System
System control unit 20 possesses CPU substrates 3, hard disk drive 4, optical drive 5 and cooling fan 6.
Power subsystem 2 possesses AC/DC change-over circuits 9 and AC power supplies monitoring circuit 10.AC/DC change-over circuits 9 are by from outer
The AC power supplies as commercial power of portion's input carries out rectification and is converted to the circuit of D/C power.The output of AC/DC change-over circuits 9
It is connected to EDLC switching circuits 11 described later.AC power supplies monitoring circuit 10 (external power source monitoring unit) is by judging AC power supplies
AC power supplies voltage whether drop to AC power supplies determinating reference magnitude of voltage set in advance (the first reference voltage value) below, so as to supervise
Depending on the AC power supplies circuit that voltage declines.In the case where the voltage for detecting AC power supplies declines, AC power supplies monitoring circuit 10
Export AC power supplies voltage drop detection signal as detection signal to EDLC switching circuits 11 described later.
EDLC switching circuits 11 are the D/C power supplied to systems control division 20 to be switched to from AC/DC change-over circuits 9
D/C power be also based on EDLC7 D/C power circuit, be connected with EDLC7 and battery switching circuit described later 12.
When the voltage that AC power supplies does not occur declines, AC power supplies monitoring circuit 10 is not detected under the voltage of AC power supplies
Drop, so EDLC switching circuits 11 will not receive AC power supplies voltage drop detection signal from AC power supplies monitoring circuit 10.Also,
EDLC switching circuits 11 are by the D/C power from AC/DC change-over circuits 9 and via battery switching circuit 12 to systems control division
20 supply D/C powers, and electric power storage is carried out to EDLC7.Thus, EDLC7 has the function as storage circuit.On the other hand, exist
In the case of there occurs that the voltage of AC power supplies declines, AC power supplies monitoring circuit 10 detects that the voltage of AC power supplies declines, so
EDLC switching circuits 11 receive AC power supplies voltage drop detection signal from AC power supplies monitoring circuit 10.Now, EDLC switching circuits
11 will supply the D/C power switched to from EDLC7 via battery switching circuit 12 to the D/C power of systems control division 20, to replace
D/C power of the generation from AC/DC change-over circuits 9.
EDLC monitoring circuits 13 (capacitor monitoring unit) are the circuits of the surplus of the electric charge that monitoring is accumulated in EDLC7.
When D/C power is supplied from EDLC7 to systems control division 20, in the surplus of the electric charge of EDLC7 judgement set in advance is dropped to
Below reference charge amount (below the reference charge amount of regulation) in the case of, EDLC monitoring circuits 13 are defeated to battery switching circuit 12
Go out to represent that the EDLC quantities of electric charge that the quantity of electric charge of EDLC7 declines decline detection signal.
Battery switching circuit 12 is will to switch to from AC/DC change-over circuits to the supply of the D/C power of systems control division 20
9 D/C power or the D/C power from EDLC7 or based on battery 8 D/C power supply circuit, and battery 8 and be
The various circuits connection of system control unit 20.
Battery switching circuit 12 is electric to the supply DC of systems control division 20 when D/C power is received from AC/DC change-over circuits 9
Source, and be charged to battery 8.On the other hand, occur AC power supplies voltage decline, from EDLC7 supply D/C power and from
In the case that EDLC monitoring circuits 13 receive EDLC quantities of electric charge decline detection signal, battery switching circuit 12 will be to system control
The D/C power supply in portion 20 switches to battery 8 from EDLC7, switches to the power backup based on battery 8.That is, battery switching circuit
12 also as the power suppling part function for supplying out-put supply (D/C power) to systems control division 20.
The CPU substrates 3 of systems control division 20 possess internal control circuit 15, expansion card 16, D/C power reduction voltage circuit 17, reality
When clock circuit (hereinafter referred to as RTC)/memory 18 (RTC and memory, RTC. memories) etc..These circuits are by from battery
Switching circuit 12 supplies D/C power.Internal control circuit 15 is the circuit being controlled to system by CPU, LSI.Expansion card 16
It is card function, being built-in with printed base plate for extending systems control division 20.D/C power reduction voltage circuit 17 is for backward
The RTC/ memories 18 stated supply the circuit of D/C power, make voltage drop to the operating voltage of RTC/ memories 18.RTC/ is stored
Device 18 is by 1 primary cell etc. during the system stopping of no information processor to the supply D/C power of systems control division 20
The D/C power memory element for driving, time and data being preserved (not shown).RTC/ memories 18 receive to pass through D/C power
The supply of reduction voltage circuit 17 and the D/C power after power voltage step down.
Additionally, in addition to above-mentioned circuit, hard disk drive 4, optical drive 5, cooling fan 6 are connected to CPU bases
Plate 3, from battery switching circuit 12 D/C power is supplied.
EDLC is connect from the connector for connector 21a being installation EDLC7, can be from (the EDLC switchings of power control 19
Circuit 11 (the first switching part)) carry out the connection or disengaging of EDLC7.Additionally, battery connect from connector 21b be install battery 8
Connector, the connection of battery 8 or de- can be carried out from power control 19 (battery switching circuit 12 (the second switching part))
From.Here, systems control division 20 is due to receiving the supply of D/C power from battery switching circuit 12, so for power control
Become loading section for 19.EDLC7 and battery 8 can correspond to the structure (load) of systems control division 20 and adjust EDLC7
And the capacity of the D/C power of the output of battery 8.For example, corresponding to the increase with hard disk drive 4 and the connection number of expansion card 16,
EDLC7 and battery 8 are by being set up or the replacing with jumbo structure such that it is able to change EDLC7 or the output of battery 8
The capacity of D/C power.
Additionally, EDLC7 and battery 8 can independently connect or depart from connection or disengaging, additionally it is possible to carry out EDLC7
Or the capacity adjustment of the D/C power of the output of battery 8.In addition it is also possible to constitute be integrally formed EDLC7 and battery 8 unit, by
Unit of cells is attached or departs to EDLC switching circuits 11 and battery switching circuit 12.
Fig. 2 is the flow chart of the power backup of the power control of first embodiment.For the work of present embodiment
With illustrating with reference to flow chart.
The power control of present embodiment, will be externally supplied in the AC/DC change-over circuits 9 in power subsystem 2
The AC power supplies of power supply be converted to D/C power.D/C power after with regard to being changed by AC/DC change-over circuits 9, the Jing EDLC of power subsystem 2
Switching circuit 11 and battery switching circuit 12 are initially supplied (step S1) to systems control division 20.Also, receive D/C power
Operating system (hereinafter referred to as OS) is started (step S2) by the systems control division 20 of supply.In this case, AC power supplies voltage is normal,
D/C power after being converted by AC/DC change-over circuits 9 is fed into systems control division 20, and is supplied via EDLC switching circuits 11
EDLC7 is given to, the electric power storage in EDLC7, and then supplied to battery 8 via battery switching circuit 12 charges battery 8 (step
S3)。
Additionally, AC power supplies monitoring circuit 10 monitors the state of AC power supplies, whether the AC power supplies voltage for judging AC power supplies declines
To AC power supplies determinating reference magnitude of voltage set in advance (the first reference voltage value), below (whether voltage declines AC power supplies voltage
) (step S4).It is being judged to that AC power supplies voltage do not drop to AC power supplies determinating reference magnitude of voltage (the first reference voltage value)
In the case of below, that is, when must not believe that AC power supplies voltage has voltage to decline (step S4 no), under not exporting AC power supplies voltage
Drop detection signal.Thus, from AC/DC change-over circuits 9, make to EDLC7, battery 8, the D/C power of systems control division 20 supply after
It is continuous.On the other hand, AC power supplies monitoring circuit 10 drops to below AC power supplies determinating reference magnitude of voltage being judged to AC power supplies voltage
In the case of (decline of AC power supplies voltage) (step S4 be), to the output AC power supplies voltage of EDLC switching circuits 11 detection letter is declined
Number.
EDLC switching circuits 11 then will store when AC power supplies voltage drop detection signal is received from AC power supplies monitoring circuit 10
The D/C power of the EDLC7 of circuit supplies to substitute the confession of the D/C power from AC/DC change-over circuits 9 to systems control division 20
Give, so as to carry out based on the power backup (step S5) of EDLC7.
Then, the capacity of the electric charge of the EDLC7 of the storage circuit in the monitoring of EDLC monitoring circuits 13 power backup is (remaining
Amount), determine whether to drop to the capacity (step S6) below determinating reference charge capacity set in advance.
Be judged in EDLC monitoring circuits 13 EDLC7 capacity exceed determinating reference charge capacity (step S6 no),
And continue to judge that AC power supplies voltage has in the case of voltage decline (step S7 be) in AC power supplies monitoring circuit 10, make to come
Continue from the power backup of EDLC7.On the other hand, the feelings of the telegram in reply of AC power supplies voltage are detected in AC power supplies monitoring circuit 10
Under condition, i.e. AC power supplies monitoring circuit 10 is judged to that AC power supplies voltage is returned to more than AC power supplies determinating reference magnitude of voltage (the first base
Quasi- magnitude of voltage) value in the case of (step S7 no), AC power supplies monitoring circuit 10 stop to EDLC switching circuits 11 export AC
Supply voltage declines detection signal.When the output of the AC power supplies voltage drop detection signal from AC power supplies monitoring circuit 10 stops
Only, then EDLC switching circuits 11 are switched over, so that supplying the EDLC7 from storage circuit to the D/C power of systems control division 20
Revert to the AC/DC change-over circuits 9 of power subsystem 2.
Additionally, in step S6, EDLC monitoring circuits 13 are judged to the capacity of EDLC7 less than below determinating reference charge capacity
In the case of (decline of EDLC capacity) (step S6 be), EDLC monitoring circuits 13 using the EDLC quantities of electric charge decline detection signal as
Detection signal to battery switching circuit 12 is exported.Receiving the battery switching circuit 12 of EDLC quantities of electric charge decline detection signal is carried out
Switching, so that substituting EDLC7 and supplying D/C power from battery 8, i.e. switch to based on standby (step S8) of battery 8, from electricity
Pond 8 is to supply D/C power of systems control division 20 (step S9).That is, step S3～step S9 becomes the regular event of expression system
Flow process.
With regard to present embodiment, the voltage of so-called AC power supplies declines, and in addition to the decline of voltage, also includes less than 1 second
Power failure (hereinafter referred to as wink stops) or the power failure of more than 1 second.Additionally, for other embodiment similarly.
Thus, in present embodiment, only the standby of systems control division 20 is realized by the power supply supply from EDLC7 stopping in wink to wait
With in the case of, can not carry out carrying out the standby of power supply from the power supply supply of battery 8.Additionally, generally stopping compared to 1 in wink
Frequency is more for power failure more than second, and the chance for only carrying out power supply supply by EDLC7 becomes many.Therefore, with only battery 8
Power supply supply is compared, and the discharge and recharge number of times of battery is reduced, the effect with the long lifetime for realizing battery 8.
Second embodiment
Fig. 3 represents the structure of second embodiment.Present embodiment is that the power control to first embodiment is attached
Structure obtained by battery monitor circuit 14 (battery monitoring portion) is added.Thus, for the structure same with first embodiment is assigned
Same symbol is given, its explanation is omitted.When supply is from the D/C power of battery 8, battery monitor circuit 14 monitors the electricity of battery 8
Pressure, in the voltage of battery 8 battery determinating reference magnitude of voltage set in advance (the second reference voltage value) situation below is dropped to
Under, represent that the cell voltage that the voltage of battery 8 declines declines detection signal to the output of internal control circuit 15 of CPU substrates 3.
That is, battery monitor circuit 14 is also as notification unit function.
Internal control circuit 15 is supplied D/C power via battery switching circuit 12 from battery 8, to hard disk drive 4, light
Learn driver 5 to be controlled.Internal control circuit 15 receives AC power supplies in the AC power supplies monitoring circuit 10 from power subsystem 2
Voltage drop detection signal and from battery monitor circuit 14 receive cell voltage decline detection signal in the case of, by OS
Close, after the completion of the closing of OS, by D/C power output control signal to the AC/DC change-over circuits 9 and electricity in power subsystem 2
Pond switching circuit 12 is exported, to stop the output of D/C power.Here, the process of at least closing of OS is included in the control process of OS
In.
Additionally, in present embodiment, same with first embodiment, RTC/ memories 18 receive from battery switching circuit 12
D/C power, receives the supply by D/C power reduction voltage circuit 17 and the D/C power after power voltage step down.
Further, in present embodiment, with first embodiment equally, EDLC7 and battery 8 can be relative to present embodiments
Power control be attached or depart from, it is also possible to make it possible to the structure (load) corresponding to systems control division 20 to adjust
The capacity of whole EDLC7 or the D/C power of the output of battery 8.Connection or when departing from, EDLC7 and battery 8 can independently connect or
Depart from, additionally it is possible to carry out the capacity adjustment of the D/C power of EDLC7 and the output of battery 8.In addition it is also possible to constitute make EDLC7 and electricity
Unit that pond 8 is integrally formed, realize by the connection or disengaging of unit of cells.
Fig. 4 is the flow chart of the power backup of the power control of second embodiment.For the work of present embodiment
With illustrating with reference to flow chart.
In the flow chart of present embodiment, to first embodiment the standby switching from battery 8 realized to being
System control unit 20 power supply supply till the step of S1 to step S9 be with first embodiment identical process and omit the description.
Battery switching circuit 12 switches over to carry out based on standby (step S8) of battery 8, when to systems control division 20
During the D/C power of supply battery 8 (step S9), the electricity of the D/C power of the battery 8 in the monitoring power backup of battery monitor circuit 14
Whether pressure, the voltage for judging the D/C power of battery 8 drops to battery determinating reference magnitude of voltage (the second reference voltage value) (step below
Rapid S10).
In battery monitor circuit 14, the voltage for being judged as battery 8 exceedes battery determinating reference magnitude of voltage (the second reference voltage
Value) (step S10 no) and continue to be judged as the situation that AC power supplies voltage has voltage to decline in AC power supplies monitoring circuit 10
Under, i.e. AC power supplies monitoring circuit 10 continues to judge AC power supplies voltage as AC power supplies determinating reference magnitude of voltage (the first reference voltage
Value) below in the case of (step S11 be), make from battery 8 supply D/C power power backup continue.
On the other hand, in the case that AC power supplies monitoring circuit 10 detects the telegram in reply of AC power supplies voltage, i.e. AC power supplies is monitored
Circuit 10 is judged to that AC power supplies voltage returns to the feelings of the value more than AC power supplies determinating reference magnitude of voltage (the first reference voltage value)
Under condition (step S11 no), AC power supplies monitoring circuit 10 stops being exported to EDLC switching circuits 11 and battery switching circuit 12
AC power supplies voltage drop detection signal.When the output of the AC power supplies voltage drop detection signal from AC power supplies monitoring circuit 10 stops
Only, then battery switching circuit 12 will be switched over to the supply of the D/C power of systems control division 20, so that from the DC from battery 8
Power supply supply reverts to the D/C power supply of the AC/DC change-over circuits 9 from power subsystem 2.
Additionally, in step S10, battery monitor circuit 14 is judged as that the voltage of battery 8 is less than battery determinating reference magnitude of voltage
(the second reference voltage value) below (step S10 be) in the case of (battery capacity decline), battery monitor circuit 14 is to CPU bases
The output cell voltage of internal control circuit 15 in plate 3 declines detection signal.Receive cell voltage and decline the interior of detection signal
Portion's control circuit 15 forcibly starts the closing of OS and processes (step S12), and the closing process for making OS is completed (step S13).
After the completion of processing the closing of OS (step S13), the AC power supplies monitoring circuit 10 in power subsystem 2 is judged under the voltage of AC power supplies
Whether drop is continuing (step S14).
In the judgement, continue to be judged to that AC power supplies voltage has the situation that voltage declines to refer to, AC power supplies monitoring circuit 10 after
Continuous AC power supplies voltage for AC power supplies determinating reference magnitude of voltage (the first reference voltage value) judgement below situation (step S14
It is).In this case, by AC power supplies voltage drop detection signal, internally control circuit 15 is exported AC power supplies monitoring circuit 10.From
AC power supplies monitoring circuit 10 receives the internal control circuit 15 of AC power supplies voltage drop detection signal, to connecting with CPU substrates 3
The address of the circuit for connecing is arranged after 1, and the D/C power output control signal for stopping is supplied to the out-put supply of battery switching circuit 12.
Thus, battery 8 stops (step S16) to the supply of the D/C power of systems control division 20.On the other hand, in AC power supplies monitoring circuit
In the case of being judged to that AC power supplies recovers in 10, i.e. AC power supplies monitoring circuit 10 is judged to that AC power supplies voltage is returned to and exceedes
In the case of the value (AC power supplies voltage telegram in reply) of AC power supplies determinating reference magnitude of voltage (the first reference voltage value) (step S14
It is no), AC power supplies monitoring circuit 10 stops the internally output of control circuit 15 AC power supplies voltage drop detection signal.When electric from AC
The output of the AC power supplies voltage drop detection signal of source monitoring circuit 10 stops, and internal control circuit 15 with CPU substrates 3 to being connected
Circuit address input 0 and resetted (step S15).Then, due to the recovery of AC power supplies, with regard to D/C power, power supply list
Unit 2 is initially supplied (step S1) via EDLC switching circuits 11 and battery switching circuit 12 to systems control division 20.Inside control
Circuit processed 15 starts again at the supply of D/C power from power subsystem 2, is again started up OS (step S2).That is, step S12～step
S16 becomes the flow process that the stopping of expression system is processed.
It is internal in the case that AC power supplies recovers after the completion of OS closings are processed (step S14 no) alternatively, it is also possible to be
The D/C power output control that control circuit 15 stops to AC/DC change-over circuits 9 and the supply of the out-put supply of battery switching circuit 12
Signal, will temporarily stop to the supply of the D/C power of systems control division 20, so that the voltage below the first reference voltage value
And second the voltage below reference voltage value be not applied to systems control division 20.Then, internal control circuit 15 stops DC
The output of power supply output control signal, makes from power subsystem 2 to start again at the supply (step S1) of D/C power, can be again started up
OS (step S2).
In addition, in present embodiment, internal control circuit 15 receives cell voltage and declines inspection from battery monitor circuit 14
In the case of surveying signal, the closing for starting OS processes (step S12), but it is also possible to before closing process is carried out, be set to dormancy
The electric power saving state such as pattern or dormant state, waits the recovery of AC power supplies, in the case of without recovering, carries out closing process.
Closing including at least OS in the control process of these OS is processed.
According to the above, present embodiment has the effect that：After OS is closed, the voltage of external power source, Neng Gou are monitored
It is judged to automatically start again at the D/C power output from power subsystem 2 in the case of sending a telegram in reply.
Additionally, present embodiment has the effect that：Avoid having a power failure long-time continues, the power supply capacity of battery 8 is not enough and
Produce the situation that voltage decline, OS are unable to normal termination.Moreover it is possible to avoid battery 8 from discharging completely and life-span decline.
Further, present embodiment is same with first embodiment, is only realized by the power supply supply from EDLC7 stopping in wink to wait
Systems control division 20 it is standby in the case of, can not carry out from battery 8 power supply supply and carry out the standby of power supply.Cause
This, compared with the power supply of only battery 8 is supplied, the discharge and recharge number of times of battery is reduced, therefore with the long lifetime for realizing battery
Effect.
3rd embodiment
Fig. 5 represents the structure of the 3rd embodiment.In present embodiment, further have on the basis of second embodiment
The standby D/C power switching circuit 22 (D/C power switching part) that will be directly fed from battery 8 to the supply of the power supply of RTC/ memories 18.
D/C power switching circuit 22 detect for AC power supplies less than the first reference voltage value voltage decline in the case of, from battery
8 to RTC/ memories 18 directly feed D/C power.Thus, for the structure same with second embodiment gives same symbol
Number, its explanation is omitted.
In the case where D/C power supply is carried out from outside AC power supplies, to the supply of RTC/ memories 18 D/C power via
Battery switching circuit 12 and be supplied to.Here, AC is descend below in the voltage for being judged to AC power supplies by AC power supplies monitoring circuit 10
In the case of power supply determinating reference magnitude of voltage (the first reference voltage value), from AC power supplies monitoring circuit 10 to D/C power switching circuit
22 output AC power supplies voltage drop detection signals.D/C power switching circuit 22 works as the AC received from AC power supplies monitoring circuit 10
When supply voltage declines detection signal, switch over so that not via battery switching circuit 12 from battery 8 directly by battery 8
D/C power supply to D/C power reduction voltage circuit 17.Then, the voltage of AC power supplies exceedes AC power supplies determinating reference magnitude of voltage (first
Reference voltage value) in the case of, D/C power switching circuit 22 is switched over so that depositing to RTC/ via battery switching circuit 12
Reservoir 18 receives the supply of D/C power.
Additionally, the voltage in AC power supplies declines the voltage of lasting, battery 8 less than battery determinating reference magnitude of voltage (the second base
Quasi- magnitude of voltage), internal control circuit 15 complete OS closing process in the case of, D/C power switching circuit 22 switch over
So that directly the D/C power of battery 8 is supplied to D/C power reduction voltage circuit 17 from battery 8.RTC/ memories 18 are compared to internal control
Power consumption is little for circuit processed 15 and expansion card 16, so during information processor 1 stops, even if the voltage of battery 8 is low
In battery determinating reference magnitude of voltage (the second reference voltage value), it is also possible to which the voltage realized by the residual capacity by battery 8 is filled
Ground is divided to keep data.
Additionally, OS closings process after, AC power supplies recover in the case of, to RTC/ memories 18 power supply supply become from
The power supply supply of AC power supplies, switches to again the power supply from battery switching circuit 12 to supply.
Thus, in present embodiment, information processor power supply supply stop after also carrying out from battery 8 to
The power supply supply of RTC/ memories 18.Therefore, it is possible to save 1 primary cell being usually used etc..
In present embodiment, with first embodiment and second embodiment it is also possible to be, EDLC7 and battery 8 can
It is attached or departs from relative to the power control of present embodiment, the structure that can correspond to systems control division 20 is (negative
Carry), adjust the capacity of the D/C power of EDLC7 and the output of battery 8.When connection or disengaging, EDLC7 and battery 8 can be independently
Connection departs from, additionally it is possible to carry out the capacity adjustment of the D/C power of EDLC7 and the output of battery 8.In addition it is also possible to constitute make
Unit that EDLC7 and battery 8 are integrally formed, carry out by the connection or disengaging of unit of cells.
In addition, with regard to first embodiment～the 3rd embodiment, power control is present in systems control division 20
In same housing, but it is also possible to make from the uninterruptible power supply of external connection and make independent housing.
Additionally, with regard to first embodiment～the 3rd embodiment, illustrate EDLC, but as long as be capacitor i.e.
Can, it is not necessary to be defined to EDLC.
Several embodiments of the invention is illustrated, these embodiments are pointed out as an example, and unexpectedly
The scope of invention to be limited.These new embodiments can be implemented with other various forms, in the model without departing from inventive concept
In enclosing, various omissions, replacement, change can be carried out.These embodiments and its deformation are included in the scope of invention and purport,
And it is included in the invention described in claim and its equivalents.
Claims (10)
1. a kind of power control, from external power source power supply supply is received, and is supplied to the systems control division of information processor
Power supply, possesses：
Capacitor, from said external power supply receive power supply supply and by electric power storage；
Battery, receives power supply supply and is electrically charged from said external power supply；
Whether external power source monitoring unit, the magnitude of voltage for judging said external power supply is changed into below the first reference voltage value of regulation；
First switching part, when said external power monitoring portion is judged to the first benchmark that the magnitude of voltage of said external power supply is regulation
When below magnitude of voltage, by supplying to the power supply of said system control unit from the power supply supply based on said external power supply base is switched to
Supply in the power supply of above-mentioned capacitor；
Capacitor monitoring unit, when power supply supply is carried out from above-mentioned capacitor, whether the quantity of electric charge for judging above-mentioned capacitor is changed into
Below the reference charge amount of regulation；
Second switching part, when above-mentioned capacitor monitoring unit is judged to that the quantity of electric charge of above-mentioned capacitor is changed into the benchmark electricity of above-mentioned regulation
When below lotus amount, switch to supplying to the power supply of said system control unit from the power supply supply based on above-mentioned capacitor based on upper
State the power supply supply of battery；And
Power suppling part, will be supplied based on the out-put supply of above-mentioned second switching part to above-mentioned systems control division.
2. power control as claimed in claim 1, wherein,
Above-mentioned capacitor can be attached or depart from above-mentioned first switching part.
3. power control as claimed in claim 2, wherein,
Above-mentioned battery can be attached or depart from above-mentioned second switching part.
4. power control as claimed in claim 1, wherein,
The above-mentioned battery for constituting the above-mentioned capacitor being connected with above-mentioned first switching part and being connected with above-mentioned second switching part becomes
The unit of one, said units can be attached or depart from above-mentioned first switching part and the second switching part.
5. the power control as any one of Claims 1 to 4, wherein,
Battery monitoring portion and notification unit are also equipped with, when power supply supply is carried out from above-mentioned battery, in above-mentioned battery monitoring portion judgement
Whether the magnitude of voltage for stating battery is changed into below the second reference voltage value of regulation, when above-mentioned battery monitoring portion is judged to above-mentioned battery
Magnitude of voltage be changed into specify the second reference voltage value below when, above-mentioned notification unit to systems control division export result of determination.
6. a kind of information processor, possesses systems control division and receives power supply supply and to said system control from external power source
Portion supplies the power control of power supply, wherein,
Above-mentioned power control possesses：
Capacitor, from said external power supply receive power supply supply and by electric power storage；
Battery, receives power supply supply and is electrically charged from said external power supply；
Whether external power source monitoring unit, the magnitude of voltage for judging said external power supply is changed into below the first reference voltage value of regulation；
First switching part, when said external power monitoring portion is judged to the first benchmark that the magnitude of voltage of said external power supply is regulation
When below magnitude of voltage, by supplying to the power supply of said system control unit from the power supply supply based on said external power supply base is switched to
Supply in the power supply of capacitor；
Capacitor monitoring unit, when power supply supply is carried out from above-mentioned capacitor, whether the quantity of electric charge for judging above-mentioned capacitor is changed into
Below the reference charge amount of regulation；
Second switching part, when above-mentioned capacitor monitoring unit is judged to that the quantity of electric charge of capacitor is changed into below the reference charge amount of regulation
When, switch to supplying to the power supply of said system control unit from the power supply supply based on above-mentioned capacitor based on the power supply of battery
Supply；And
Power suppling part, will be supplied based on the out-put supply of above-mentioned second switching part to above-mentioned systems control division.
7. information processor as claimed in claim 6, wherein,
Above-mentioned power control is also equipped with：
Battery monitoring portion, when power supply supply is carried out from above-mentioned battery, whether the magnitude of voltage for judging above-mentioned battery is changed into what is specified
Below second reference voltage value；And
Notification unit, when above-mentioned battery monitoring portion is judged to that the magnitude of voltage of above-mentioned battery is changed into below the second reference voltage value of regulation
When, export result of determination to systems control division.
8. information processor as claimed in claim 7, wherein,
Possesses systems control division, when the magnitude of voltage that above-mentioned battery is informed about from above-mentioned power control is changed into the second of regulation
When below reference voltage value, said system control unit carries out the control process of operating system.
9. information processor as claimed in claim 8, wherein,
After the control process for completing aforesaid operations system, when said external power monitoring portion is judged to said external power supply
Magnitude of voltage exceeded regulation the first reference voltage value when, said system control unit carries out the startup of aforesaid operations system.
10. the information processor as any one of claim 7～9, wherein,
Said system control unit possesses memory element, and the memory element is kept when the magnitude of voltage of said external power supply is changed into what is specified
The data of information processor when below the first reference voltage value,
Above-mentioned power control is also equipped with D/C power switching part, when said external power monitoring portion is judged to said external power supply
Magnitude of voltage when being changed into below above-mentioned first reference voltage value, the D/C power switching part by based on the power supply of above-mentioned battery supply to
Above-mentioned memory element directly feeds.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014214921A JP6392073B2 (en) | 2014-10-21 | 2014-10-21 | Power supply control apparatus and information processing apparatus |
| JP2014-214921 | 2014-10-21 | ||
| PCT/JP2015/079549 WO2016063866A1 (en) | 2014-10-21 | 2015-10-20 | Power supply control device and information processing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106663962A true CN106663962A (en) | 2017-05-10 |
Family
ID=55760899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580044151.XA Withdrawn CN106663962A (en) | 2014-10-21 | 2015-10-20 | Power supply control device and information processing device |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JP6392073B2 (en) |
| KR (1) | KR20170020498A (en) |
| CN (1) | CN106663962A (en) |
| SG (1) | SG11201702878RA (en) |
| TW (1) | TWI591931B (en) |
| WO (1) | WO2016063866A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018066520A1 (en) * | 2016-10-07 | 2018-04-12 | 株式会社ソニー・インタラクティブエンタテインメント | Electrical device |
| EP3672023B1 (en) | 2018-12-17 | 2021-09-01 | ABB Schweiz AG | An ups device for electric power distribution installations |
| JP7184021B2 (en) * | 2019-11-15 | 2022-12-06 | 横河電機株式会社 | power control circuit |
| JP7018095B2 (en) * | 2020-07-07 | 2022-02-09 | 華邦電子股▲ふん▼有限公司 | Power control circuit |
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| US20070047100A1 (en) * | 2005-08-31 | 2007-03-01 | Fumikazu Takahashi | Switching power supply unit and disk array system |
| JP2010016996A (en) * | 2008-07-03 | 2010-01-21 | Sanken Electric Co Ltd | Uninterruptible power supply unit |
| CN101702535A (en) * | 2009-11-25 | 2010-05-05 | 成都市华为赛门铁克科技有限公司 | Power supply device and method |
| CN103678178A (en) * | 2013-10-10 | 2014-03-26 | 华为技术有限公司 | Power failure processing method and system of storage system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03109624A (en) * | 1989-09-22 | 1991-05-09 | Yokogawa Electric Corp | Power controller |
| JP2001333545A (en) * | 2000-05-19 | 2001-11-30 | Nec Corp | Power supply, electronic device and its stopping/restoring method and recording medium |
| JP4398335B2 (en) * | 2003-09-29 | 2010-01-13 | 株式会社日立製作所 | DC backup power supply device, disk array device, and DC backup power supply |
| JP5050718B2 (en) * | 2007-08-06 | 2012-10-17 | 富士電機株式会社 | Power conversion device and power conversion control method |
-
2014
- 2014-10-21 JP JP2014214921A patent/JP6392073B2/en not_active Expired - Fee Related
-
2015
- 2015-10-14 TW TW104133695A patent/TWI591931B/en not_active IP Right Cessation
- 2015-10-20 KR KR1020177001693A patent/KR20170020498A/en active IP Right Grant
- 2015-10-20 SG SG11201702878RA patent/SG11201702878RA/en unknown
- 2015-10-20 WO PCT/JP2015/079549 patent/WO2016063866A1/en active Application Filing
- 2015-10-20 CN CN201580044151.XA patent/CN106663962A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070047100A1 (en) * | 2005-08-31 | 2007-03-01 | Fumikazu Takahashi | Switching power supply unit and disk array system |
| JP2010016996A (en) * | 2008-07-03 | 2010-01-21 | Sanken Electric Co Ltd | Uninterruptible power supply unit |
| CN101702535A (en) * | 2009-11-25 | 2010-05-05 | 成都市华为赛门铁克科技有限公司 | Power supply device and method |
| CN103678178A (en) * | 2013-10-10 | 2014-03-26 | 华为技术有限公司 | Power failure processing method and system of storage system |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI591931B (en) | 2017-07-11 |
| JP2016082824A (en) | 2016-05-16 |
| JP6392073B2 (en) | 2018-09-19 |
| TW201633657A (en) | 2016-09-16 |
| KR20170020498A (en) | 2017-02-22 |
| SG11201702878RA (en) | 2017-05-30 |
| WO2016063866A1 (en) | 2016-04-28 |
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Application publication date: 20170510 |