CN108134448A - A kind of power supply management-control method and managing and control system - Google Patents
A kind of power supply management-control method and managing and control system Download PDFInfo
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- CN108134448A CN108134448A CN201711484134.5A CN201711484134A CN108134448A CN 108134448 A CN108134448 A CN 108134448A CN 201711484134 A CN201711484134 A CN 201711484134A CN 108134448 A CN108134448 A CN 108134448A
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- power supply
- externally fed
- backup power
- fed equipment
- load
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000005611 electricity Effects 0.000 claims abstract description 57
- 239000000178 monomer Substances 0.000 claims description 7
- 238000004891 communication Methods 0.000 abstract description 21
- 239000012141 concentrate Substances 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
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- 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
-
- 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
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- 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
- H02J9/061—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 for DC powered loads
-
- 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
- H02J9/08—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 requiring starting of a prime-mover
Abstract
The present invention discloses a kind of power supply management-control method and managing and control system, is related to communication system power supply technique field, for improving the load supplying rate of externally fed equipment.The power supply management-control method includes：The power supply signal of externally fed equipment is obtained, and when external power supply unit is to load interruption of power supply, starts backup power supply and powers to the load；When external power supply unit restores electricity, control externally fed equipment is independently-powered to loading with the first predeterminated voltage；If it is determined that externally fed equipment reaches target duration to independently-powered powers duration is loaded, then externally fed equipment is controlled to power simultaneously to load and backup power supply with the second predeterminated voltage；Wherein, the second predeterminated voltage is more than the first predeterminated voltage.Power supply management-control method and managing and control system provided by the invention are used for the power supply management and control of communication equipment in communication system.
Description
Technical field
The present invention relates to communication system power supply technique field more particularly to a kind of power supply management-control methods and managing and control system.
Background technology
At present, it is related in the industry of data communication in communication, server and monitoring security protection etc., in order to ensure each communication system
System can stablize use, it will usually be each communication system configuration backup power supply, when external power supply unit powers off, to utilize standby
Load of the power supply to each communication system is directly powered or inversion power supply.Since backup power supply is usually rechargeable power supply, in outside
It after power supply unit restores electricity, generally requires externally fed equipment and charges immediately to backup power supply, so as to be next externally fed
Emergency use during device powers down is ready.
However, restoring electricity at the beginning in external power supply unit, externally fed equipment is not only needed to each communication system
Load supplying also needs to power to its backup power supply simultaneously so that the power capacity provided needed for externally fed equipment is in addition to meeting
Except load supplying capacity needed for loaded work piece, it is also necessary to reserved backup power supply each enough carries out the charging capacity of storing up electricity, than
The 15% of such as reserved externally fed equipment total electricity capacity, so as to easily restore electricity at the beginning in external power supply unit, because each
Backup power supply largely concentrates charging and leads to the problem of additional occupancy externally fed apparatus of load power supply capacity, leads to externally fed
The load supplying rate of equipment is relatively low.
Invention content
The purpose of the present invention is to provide a kind of power supply management-control method and managing and control system, for improving externally fed equipment
Load supplying rate.
To achieve these goals, the present invention provides following technical solution：
A kind of power supply management-control method, including：
Step 10, the power supply signal of externally fed equipment is obtained, and when external power supply unit is to load interruption of power supply, is opened
Dynamic backup power supply powers to the load；
Step 20, when external power supply unit restores electricity, control externally fed equipment is with the first predeterminated voltage to load
It is independently-powered；
Step 30, however, it is determined that externally fed equipment reaches target duration to independently-powered powers duration is loaded, then controls
Externally fed equipment is powered with the second predeterminated voltage to load and backup power supply simultaneously；Wherein, the second predeterminated voltage is more than first
Predeterminated voltage.
Compared with prior art, power supply management-control method provided by the invention has the advantages that：
Power supply management-control method provided by the invention by obtaining the power supply signal of externally fed equipment, can understand in time
The power supply state of externally fed equipment, for example, externally fed equipment whether to load interruption of power supply or externally fed equipment whether
It restores electricity；Then, in the different power supply state of external power supply unit, different control measure are taken respectively：It is supplied in outside
When electric equipment is to load interruption of power supply, starts backup power supply and power to the load；When external power supply unit restores electricity, control is outer
Portion's power supply unit is independently-powered to loading with the first predeterminated voltage；In external power supply unit to loading independently-powered powers duration
When reaching target duration, externally fed equipment is controlled to be higher than the second predeterminated voltage of the first predeterminated voltage simultaneously to load with after
Stand-by power source is powered；So as to which the power supply to external power supply unit and the charge and discharge of backup power supply carry out reasonable management and control, it is ensured that outside supplies
Electric equipment is restoring electricity at the beginning without charging to backup power supply, effectively prevents externally fed equipment and is restoring electricity at the beginning
The problem of causing additionally to occupy its load supplying capacity when charging because largely concentrating to backup power supply is conducive to improve externally fed
Equipment is in the load supplying rate at the beginning that restores electricity.
The present invention also provides a kind of power supply managing and control systems, including externally fed equipment, backup power supply and pass through power supply
The load that control device is connect respectively with externally fed equipment and backup power supply；Wherein, power supply control device include acquiring unit,
Judging unit and control unit；
The input terminal of acquiring unit is connect respectively with externally fed equipment and backup power supply, and the output terminal of acquiring unit is with sentencing
The input terminal connection of disconnected unit；Acquiring unit is used to acquire the power supply signal of externally fed equipment and backup power supply, and by described in
Power supply signal is sent to judging unit；
The output terminal of judging unit and the input terminal of control unit connect；Judging unit is used to be sentenced according to the power supply signal
The power supply state of disconnected externally fed equipment and/or backup power supply, and by externally fed equipment and/or the power supply state of backup power supply
It is sent to control unit；
Control unit connects respectively with externally fed equipment, backup power supply and load；Control unit is set according to externally fed
Standby and/or backup power supply power supply state, for when external power supply unit is to load interruption of power supply, starting backup power supply to negative
Carry power supply；Control unit is additionally operable to when external power supply unit restores electricity, and control externally fed equipment is with the first predeterminated voltage
It is independently-powered to loading；Control unit is additionally operable to when external power supply unit reaches target to the independently-powered powers duration of load
When long, control externally fed equipment is powered with the second predeterminated voltage to load and backup power supply simultaneously；Wherein, the second predeterminated voltage
More than the first predeterminated voltage.
Compared with prior art, the advantageous effect achieved by power supply managing and control system provided by the invention, with above-mentioned technology
The attainable advantageous effect of power supply management-control method institute that scheme provides is identical, and this will not be repeated here.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and forms the part of the present invention, this hair
Bright illustrative embodiments and their description do not constitute improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the flow chart of power supply management-control method provided in an embodiment of the present invention；
Fig. 2 is the structure diagram one of power supply managing and control system provided in an embodiment of the present invention；
Fig. 3 is the structure diagram two of power supply managing and control system provided in an embodiment of the present invention.
Reference numeral：
1- externally fed equipment, 11- alternating currents,
12- generating sets, 2- backup power supplies,
3- power supply control devices, 31- acquiring units,
32- judging units, 33- control units,
331- central processing units, 332- power management modules,
4- is loaded.
Specific embodiment
For ease of understanding, with reference to the accompanying drawings of the specification, to power supply management-control method provided in an embodiment of the present invention and management and control
System is described in detail.
Referring to Fig. 1, power supply management-control method provided in an embodiment of the present invention includes：
Step S10 obtains the power supply signal of externally fed equipment, and when external power supply unit is to load interruption of power supply,
Start backup power supply to power to the load.
The power supply signal of said external power supply unit has generally included frequency of supply, supply voltage, supply current etc., tool
Body can select to determine according to actual needs, be subject to the power supply state that externally fed equipment can be determined according to the power supply signal.
Illustratively, the power supply state of externally fed equipment is whether externally fed equipment sets to load interruption of power supply or externally fed
It is standby whether to restore electricity.
Step S20, when external power supply unit restores electricity, control externally fed equipment is with the first predeterminated voltage to load
It is independently-powered；
Step S30, however, it is determined that externally fed equipment reaches target duration to independently-powered powers duration is loaded, then controls
Externally fed equipment is powered with the second predeterminated voltage to load and backup power supply simultaneously；Wherein, the second predeterminated voltage is more than first
Predeterminated voltage.
Power supply management-control method provided in an embodiment of the present invention, by obtaining the power supply signal of externally fed equipment, can and
When understand externally fed equipment power supply state, such as externally fed equipment whether to load interruption of power supply or externally fed set
It is standby whether to restore electricity；Then, in the different power supply state of external power supply unit, different control measure are taken respectively：
When externally fed equipment is to load interruption of power supply, starts backup power supply and power to the load；When external power supply unit restores electricity,
Control externally fed equipment independently-powered to loading with the first predeterminated voltage；In external power supply unit to loading independently-powered confession
When electric duration reaches target duration, externally fed equipment is controlled to be higher than the second predeterminated voltage of the first predeterminated voltage simultaneously to negative
It carries and backup power supply is powered；So as to which the power supply to external power supply unit and the charge and discharge of backup power supply carry out reasonable management and control, it is ensured that
Externally fed equipment is restoring electricity at the beginning without charging to backup power supply, effectively prevents externally fed equipment and is restoring to supply
The problem of electricity causes additionally to occupy its load supplying capacity when charging because largely concentrating to backup power supply at the beginning is conducive to improve outer
Portion's power supply unit is in the load supplying rate at the beginning that restores electricity.
After carrying out rational simulation implementation using power supply management-control method provided in an embodiment of the present invention, in external power supply unit
It restores electricity at the beginning, that is reserved needed for externally fed equipment carries out the charging capacity of storing up electricity for each backup power supply, can be effective
Be reduced to externally fed equipment power supply total electricity capacity 5% hereinafter, this that is externally fed equipment load supplying hold
Amount can reach more than the 95% of its total electricity capacity, improve the load supplying rate of externally fed equipment.
In addition, power supply management-control method provided in an embodiment of the present invention, in external power supply unit to loading independently-powered confession
When electric duration reaches target duration, just control externally fed equipment be higher than the second predeterminated voltage of the first predeterminated voltage simultaneously to
It loads and backup power supply is powered, this will be that is, the charging of backup power supply will be delayed to externally fed equipment to the steady confession of load
It after electricity, and is carried out by way of being stepped up externally fed equipment supply voltage, is conducive to reduce the confession of externally fed equipment
Piezoelectric voltage because uprush backup power supply charging load due to caused by voltage fluctuation, it is ensured that the power supply of externally fed equipment can stablize can
The operation leaned on.
In order to protect the service life of backup power supply, please continue to refer to Fig. 1, in the step S10 and step of above-described embodiment
Between S20, which further includes：
Step S15, obtains the power supply signal of backup power supply, and the power supply signal includes supply voltage；
If it is determined that the supply voltage of backup power supply is equal to the shutdown voltage of backup power supply or determining externally fed equipment is restored
Power supply, then control backup power supply to turn off.
Power supply management-control method provided in an embodiment of the present invention, after stand-by power source powers to the load upon actuation, after acquisition
The power supply signal of stand-by power source can understand the charging and discharging state of backup power supply in real time；Then, in supply voltage of backup power supply etc.
When its shutdown voltage or externally fed equipment restore electricity, control backup power supply shutdown avoids the occurrence of backup power supply reserve of electricity
The situation exhausted, the effective protection charging of backup power supply and storing up electricity performance, and then the useful life of backup power supply can be protected.
It is noted that the quantity of the backup power supply in above-described embodiment can be one or more.Work as backup power supply
Quantity for it is multiple when, in above-mentioned steps S30, control externally fed equipment with the second predeterminated voltage simultaneously to load and standby
Power supply is powered, including：Control externally fed equipment powered to the load with the second predeterminated voltage, while control externally fed equipment with
Second predeterminated voltage is powered one by one to each backup power supply.
Power supply management-control method provided in an embodiment of the present invention is powered in control externally fed equipment to each backup power supply one by one
When, charging sequence can be carried out to backup power supply, such as minimum with reserve of electricity according to the height of reserve of electricity in each backup power supply
Backup power supply is first, is then charged according to the sequence of reserve of electricity from low to high to each backup power supply, the latter standby
The charging of power supply is terminated with the charging of previous backup power supply as start node；It restores electricity and supplies in external power supply unit in this way
After electricity is stablized, by the way that externally fed equipment is controlled to power one by one to each backup power supply, i.e., charge to the dispersion of each backup power supply,
The charging load of each backup power supply can be avoided to concentrate, externally fed equipment is efficiently solved and filled because largely being concentrated to backup power supply
Electricity and the problem of cause additionally to occupy its load supplying capacity, further improve the load supplying rate of externally fed equipment.
Certainly, the mode that externally fed equipment is powered to each backup power supply is not limited to that.If externally fed equipment
For powering, and match in a set of communication system and be arranged with a backup power supply group, a backup power supply group to more set communication systems
Backup power supply including multiple series connection and/or parallel connection, then can also be using the backup power supply quantity in a set of communication system as one
Secondary charging unit is powered to the backup power supply group of each set communication system one by one.
It is understood that the first predeterminated voltage and the second predeterminated voltage mentioned in above-described embodiment should be according to practical confessions
Electric situation selection determines.Illustratively, in the present embodiment, the first predeterminated voltage is more than the voltage allowable of load, and is less than or waits
In the shutdown voltage of backup power supply；Second predeterminated voltage is more than the shutdown voltage of backup power supply.The voltage allowable of load refers to bear
The minimum operating voltage that can be worked normally is carried, generally can be -15%~- the 10% of its rated voltage.Externally fed equipment
Supply voltage from the first predeterminated voltage be increased to the second predeterminated voltage when, can be carried out in a manner of gradual change or saltus step.This hair
The power supply management-control method that bright embodiment provides, using the shutdown voltage of backup power supply as the first predeterminated voltage and the second predeterminated voltage
Separation, it can be ensured that the charge initiation of backup power supply is to be more than the of backup power supply shutdown voltage in external power supply unit
It is carried out when two predeterminated voltages are powered.
You need to add is that in above-described embodiment backup power supply charge initiation, i.e., after externally fed equipment restores electricity
To the power supply control of backup power supply, power supply control device may be used and automatically control, can also be supplied by operating personnel according to outside
The virtual condition artificial adjustment of electric equipment and backup power supply, so that it is guaranteed that the electricity consumption of each communication system is reliable and stable.
Referring to Fig. 2, the embodiment of the present invention additionally provides a kind of power supply managing and control system, carried for implementing above-described embodiment
The power supply management-control method of confession.The power supply managing and control system includes externally fed equipment 1, backup power supply 2 and is filled by management and control of powering
Put 3 loads 4 being connect respectively with externally fed equipment 1 and backup power supply 2；Wherein, power supply control device 3 includes acquiring unit
31st, judging unit 32 and control unit 33；
The input terminal of acquiring unit 31 is connect respectively with externally fed equipment 1 and backup power supply 2, the output of acquiring unit 31
End is connect with the input terminal of judging unit 32；Acquiring unit 31 is used to acquire externally fed equipment 1 and the confession telecommunications of backup power supply 2
Number, and the power supply signal is sent to judging unit 32；
The output terminal of judging unit 32 is connect with the input terminal of control unit 33；Judging unit 32 is used for according to the power supply
Signal judges the power supply state of externally fed equipment 1 and/or backup power supply 3, and by externally fed equipment 1 and/or backup power supply 2
Power supply state be sent to control unit 33；
Control unit 33 is connect respectively with externally fed equipment 1, backup power supply 2 and load 4；Control unit is supplied according to outside
The power supply state of electric equipment 1 and/or backup power supply 2, for when external power supply unit 1 is to 4 interruption of power supply of load, starting standby
Power supply 2 is powered to load 4；Control unit 33 is additionally operable to when external power supply unit 1 restores electricity, control externally fed equipment 1
It is independently-powered to load 4 with the first predeterminated voltage；Control unit 33 is additionally operable to independently-powered to load 4 in external power supply unit 1
Powers duration when reaching target duration, control externally fed equipment 1 is with the second predeterminated voltage simultaneously to load 4 and backup power supply
2 power supplies；Wherein, the second predeterminated voltage is more than the first predeterminated voltage.
Power supply managing and control system provided in an embodiment of the present invention can be reached with power supply management-control method provided in an embodiment of the present invention
The advantageous effect arrived is identical, and this will not be repeated here.
You need to add is that above-mentioned power supply signal has generally included frequency of supply, supply voltage, supply current etc., specifically
It can select to determine according to actual needs, can determine the power supply of externally fed equipment 1 and backup power supply 2 according to the power supply signal
Subject to state.
When above-mentioned power supply signal includes supply voltage, the control unit 33 in control device 3 of powering is additionally operable in standby
When the supply voltage of power supply 2 restores electricity equal to the shutdown voltage or externally fed equipment 1 of backup power supply 2, backup power supply is controlled
2 shutdowns.Power supply managing and control system provided in an embodiment of the present invention, stand-by power source 2 is after 4 power supply of load upon actuation, after acquisition
The power supply signal of stand-by power source 2 can understand the charging and discharging state of backup power supply 2 in real time；Then, in the power supply of backup power supply 2 electricity
When pressure restores electricity equal to its shutdown voltage or externally fed equipment 1, control backup power supply 2 turns off, and avoids the occurrence of backup power supply
The situation that 2 reserve of electricitys exhaust, the effective protection charging of backup power supply 2 and storing up electricity performance, and then backup power supply 2 can be protected
Useful life.
It is noted that the backup power supply 2 in above-described embodiment can be one or more.When the number of backup power supply 2
It measures when being multiple, the control unit 33 in control device 3 of powering is additionally operable in the power supply after external power supply unit 1 restores electricity
When length reaches target duration, control externally fed equipment 1 is powered, while control externally fed with the second predeterminated voltage to load 4
Equipment 1 is powered with the second predeterminated voltage to each backup power supply 2 one by one.
Power supply managing and control system provided in an embodiment of the present invention is supplied in control externally fed equipment 1 to each backup power supply 2 one by one
When electric, charging sequence can be carried out to backup power supply 2, such as with reserve of electricity most according to the height of reserve of electricity in each backup power supply 2
Low backup power supply 2 is first, is then charged according to the sequence of reserve of electricity from low to high to each backup power supply 2, latter
The charging of a backup power supply 2 is terminated with the charging of previous backup power supply 2 as start node；It is extensive in external power supply unit 1 in this way
After multiple power supply and powered stable, by the way that externally fed equipment 1 is controlled to power one by one to each backup power supply 2, i.e., to each backup power supply 2
Dispersion is charged, and the charging load of each backup power supply 2 can be avoided to concentrate, efficiently solve externally fed equipment 1 because backward
The problem of stand-by power source 2 largely concentrates charging and causes additionally to occupy its load supplying capacity, further improves externally fed and sets
Standby 1 load supplying rate.
Certainly, the mode that externally fed equipment 1 is powered to each backup power supply 2 is not limited to that.If externally fed is set
It is used for for 1 to more set communication systems power supplies, and matches in a set of communication system and be arranged with a backup power supply group, a backup power supply
Group includes multiple series connection and/or backup power supply 2 in parallel, then can also using the backup power supply quantity in a set of communication system as
Primary charging unit is powered to the backup power supply group of each set communication system one by one.
It is understood that above-mentioned backup power supply 2 is generally using accumulator group, such as lead-acid batteries.Each standby electricity
Source 2 typically each includes the backup battery monomer of multiple series connection and/or parallel connection；Illustratively, each backup battery monomer is using identical
Specifications and models, by adjusting the quantity and its connection relation of each backup power supply monomer, the corresponding power supply electricity for adjusting backup power supply 2
Pressure, supply current etc., so that the electric discharge output of backup power supply 2 can match with the power demand of load 4.
By studying service condition of the backup power supply 2 under different discharge rates and different supply current states, can be somebody's turn to do
Shutdown voltage of each backup battery monomer in different conditions is as shown in table 1 in backup power supply 2.
According to above-mentioned table 1, in the present embodiment, the shutdown voltage of each backup battery monomer is chosen to be 1.70V~1.75V.
You need to add is that please continue to refer to Fig. 2, the externally fed equipment 1 provided in above-described embodiment includes alternating current 11
And/or generating set 12；Generating set 12 is specifically as follows oil-fired power generating unit, wind power generating set or photovoltaic generation unit
Deng.When above-mentioned power supply managing and control system includes 12 two-way externally fed equipment 1 of alternating current 11 and generating set, pass through management and control of powering
Device 3 can conduct the confession of alternating current 11 and generating set 12 and switch over.
The present embodiment is when using oil-fired power generating unit as its externally fed equipment 1, using in control device 3 of powering
Pair control unit 33 can control oil-fired power generating unit to powering one by one to each backup power supply 2 while 4 power supply of load, i.e.,
Each dispersion of backup power supply 2 is charged, and so as to the power supply capacity bottleneck for the oil-fired power generating unit that is staggered, and can discharge related transformer
Reserved part charging capacity improves the load supplying rate of oil-fired power generating unit.
In order to improve the property easy to use of power supply control device, referring to Fig. 3, above-mentioned control unit 33 is included with judging list
The central processing unit 331 of 32 connection of member and the power management module 332 being connect with central processing unit 331；Power management module
332 connect respectively with externally fed equipment 1, backup power supply 2 and load 4, and power management module 332 is used for according to central processing unit
331 control instruction is managed the power supply of external power supply unit 1 and backup power supply 2.
When it is implemented, acquiring unit 31, judging unit 32 and central processing unit 331 can integrate, it is independently arranged.
Acquiring unit 31 is connect respectively with externally fed equipment 1 and 2 signal of backup power supply, central processing unit 331 and power management module
332 signals connect, and power management module 332 is electrically connected respectively with externally fed equipment 1, backup power supply 2 and load 4.Power supply
The control instruction that management module 332 is sent according to central processing unit 331, accordingly in external power supply unit 1 to loading 4 interruption of power supply
Shi Qidong backup power supplies 2 control externally fed equipment 1 to 4 power supply of load or when external power supply unit 1 restores electricity with the
One predeterminated voltage to load 4 it is independently-powered or external power supply unit 1 to load 4 independently-powered powers durations reach mesh
When marking duration, control externally fed equipment 1 is powered with the second predeterminated voltage to load 4 and backup power supply 2 simultaneously.
Power supply managing and control system provided in an embodiment of the present invention divides the control unit 33 in control device 3 of powering for center
332 two parts of processor 331 and power management module, and pass through the letter between central processing unit 331 and power management module 332
Number connection, can utilize control device 3 of powering to carry out remote-control to the power supply of external power supply unit 1 and backup power supply 2, thus
Improve the property easy to use of power supply control device 3.
In addition, above-mentioned power management module 332 can use communication system in existing power-supply management system, to avoid because
The problem of significantly reconstructing communication system circuit and power supply construction cost is caused additionally to increase, also variant region easy to implement leads to
Believe the unified management of system power supply.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in change or replacement, should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of power supply management-control method, which is characterized in that including：
Step 10, the power supply signal of externally fed equipment is obtained, and when the externally fed equipment is to load interruption of power supply, is opened
Backup power supply is moved to the load supplying；
Step 20, when the externally fed equipment restores electricity, control the externally fed equipment with the first predeterminated voltage to institute
It is independently-powered to state load；
Step 30, however, it is determined that the externally fed equipment reaches target duration to the independently-powered powers duration of the load, then
The externally fed equipment is controlled to power simultaneously to the load and the backup power supply with the second predeterminated voltage；Wherein, it is described
Second predeterminated voltage is more than first predeterminated voltage.
2. power supply management-control method according to claim 1, which is characterized in that between the step 10 and the step 20,
The power supply management-control method further includes：
Step 15, the power supply signal of the backup power supply is obtained, the power supply signal includes supply voltage；
If it is determined that the supply voltage of the backup power supply is equal to the shutdown voltage of the backup power supply or determines the externally fed
Equipment restores electricity, then the backup power supply is controlled to turn off.
3. power supply management-control method according to claim 1, which is characterized in that the quantity of the backup power supply is multiple；Institute
It states in step 30, the externally fed equipment is controlled to be supplied simultaneously to the load and the backup power supply with the second predeterminated voltage
Electricity, including：
It controls the externally fed equipment with the second predeterminated voltage to the load supplying, while controls the externally fed equipment
It is powered one by one to each backup power supply with the second predeterminated voltage.
4. according to claim 1-3 any one of them power supply management-control method, which is characterized in that first predeterminated voltage is more than
The voltage allowable of the load, and less than or equal to the shutdown voltage of the backup power supply；Second predeterminated voltage is more than institute
State the shutdown voltage of backup power supply.
5. a kind of power supply managing and control system, which is characterized in that filled including externally fed equipment, backup power supply and by management and control of powering
Put the load being connect respectively with the externally fed equipment and the backup power supply；Wherein, the power supply control device includes obtaining
Take unit, judging unit and control unit；
The input terminal of the acquiring unit is connect respectively with the externally fed equipment and the backup power supply, the acquiring unit
Output terminal connect with the input terminal of the judging unit；The acquiring unit is for acquiring the externally fed equipment and described
The power supply signal of backup power supply, and the power supply signal is sent to the judging unit；
The output terminal of the judging unit and the input terminal of described control unit connect；The judging unit is used for according to the confession
Electric signal judges the power supply state of the externally fed equipment and/or the backup power supply, and by the externally fed equipment and/
Or the power supply state of the backup power supply is sent to described control unit；
Described control unit connects respectively with the externally fed equipment, the backup power supply and the load；The control is single
Member according to the externally fed equipment and/or the power supply state of the backup power supply, in the externally fed equipment to negative
When carrying interruption of power supply, start backup power supply to the load supplying；Described control unit is additionally operable in the externally fed equipment
When restoring electricity, control the externally fed equipment independently-powered to the load with the first predeterminated voltage；Described control unit
It is additionally operable to, when the externally fed equipment reaches target duration to the independently-powered powers duration of the load, control described outer
Portion's power supply unit is powered with the second predeterminated voltage to the load and the backup power supply simultaneously；Wherein, the described second default electricity
Pressure is more than first predeterminated voltage.
6. power supply managing and control system according to claim 5, which is characterized in that the power supply signal includes supply voltage；Institute
It states control unit and is additionally operable to shutdown voltage of the supply voltage equal to the backup power supply of stand-by power source in the rear or the outside
When power supply unit restores electricity, the backup power supply is controlled to turn off.
7. power supply managing and control system according to claim 5, which is characterized in that described control unit includes judging list with described
The central processing unit of member connection and the power management module being connect with the central processing unit；The power management module point
It is not connected with the externally fed equipment, the backup power supply and the load, the power management module is used for according to
The control instruction of central processing unit is managed the power supply of the externally fed equipment and the backup power supply.
8. power supply managing and control system according to claim 5, which is characterized in that the externally fed equipment include alternating current and/
Or generating set.
9. power supply managing and control system according to claim 5, which is characterized in that the quantity of the backup power supply is multiple；Institute
It states control unit to be additionally operable to when the powers duration after the externally fed equipment restores electricity reaches target duration, described in control
Externally fed equipment, to the load supplying, while controls the externally fed equipment with the second default electricity with the second predeterminated voltage
Pressure is powered one by one to each backup power supply.
10. according to claim 5-9 any one of them power supply managing and control system, which is characterized in that the backup power supply includes more
A series connection and/or the backup battery monomer of parallel connection；The shutdown voltage of each backup battery monomer is 1.70V~1.75V.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711484134.5A CN108134448B (en) | 2017-12-29 | 2017-12-29 | Power supply management and control method and management and control system |
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| CN201711484134.5A CN108134448B (en) | 2017-12-29 | 2017-12-29 | Power supply management and control method and management and control system |
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