CN102279369B - Intelligent remote online storage battery detection method and system - Google Patents
Intelligent remote online storage battery detection method and system Download PDFInfo
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- CN102279369B CN102279369B CN201110204557.3A CN201110204557A CN102279369B CN 102279369 B CN102279369 B CN 102279369B CN 201110204557 A CN201110204557 A CN 201110204557A CN 102279369 B CN102279369 B CN 102279369B
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Abstract
The invention discloses an intelligent remote online storage battery detection method which comprises the following steps of: 1) starting, namely, a switch power supply monitoring unit receives a discharging test command and automatically starts an online storage battery discharging test; 2) testing, namely, the switch power supply monitoring unit automatically reduces output voltage of a switch power supply to a predetermined group voltage protection value of a storage battery pack according to a discharging pattern, performs the storage battery discharging test on line by using an original load of a base station, receives group voltage, group current, monomer voltage and load current of the storage battery pack in real time and submits the received data to a remote monitoring center; 3) stopping, namely, under a predetermined discharging finish condition, the switch power supply monitoring unit automatically stops the storage battery discharging test and recovers the output voltage of the switch power supply to the voltage before the discharging test is performed; and 4) calculating, namely, the switch power supply monitoring unit automatically calculates to acquire an actual discharging capacity and an actual standby time in real time and submits the acquired data to the remote monitoring center.
Description
Technical field
The present invention relates to the method and system that battery discharging is safeguarded, more particularly to a kind of intelligentized accumulator is long-range
Online test method and system.
Background technology
Accumulator as the most important back-up source of base station switch power supply, according to battery service code, the reality of accumulator
Border discharge capacity and actual charging time are the essence indexs judging accumulator property.Usually, accumulator at least every year should
This once the property checked electric discharge, with confirm accumulator property aging still in certain scope；Should carry out once within every 3 years
（Carried out once every year using the batteries of more than 6 years）Full capacity is discharged, standby with the actual discharge capacity and reality that obtain accumulator
The electric time.
The electric discharge of verification property typically adopts actual loading on-line testing, by manually switch power source output voltage being turned down to one
Determine degree, so that accumulator is not exclusively discharged, the group voltage of collection accumulator, group electric current and monomer voltage are thus calculate electric power storage
The battery capacity of this releasing of pond and discharge time；Full capacity electric discharge needs to gather group voltage, group electric current and the monomer of accumulator
Voltage, thus the battery retained storage capacity of this experiment of calculating accumulator and charging time, even more needs the instrument that discharges, attendant
To scene, one group storage battery is driven from system break into row is offline to discharge, or attendant arrive with special electric discharge instrument live
Online full capacity discharge test is carried out to the accumulator of each website, carries out a group by a group, operation inconvenience, the electric discharge at each station
What experimental data needs were artificial is input to remote monitoring center, wastes time and energy.No matter which kind of discharge test, is required to attendant
To execute-in-place, less efficient, fully according to norms of mainteaance, discharge test is executed to the accumulator of thousands of base station, every year
Need to put into substantial amounts of safeguard manpower and device resource, difficulty is very big, even more so that this attended operation be difficult to obtain completely thorough
The execution of bottom ground, and the data recording also is the data of this electric discharge.
Content of the invention
The technical problem to be solved is：Make up above-mentioned the deficiencies in the prior art, propose a kind of intelligentized storage
The online remote detecting method of battery, for solve attendant to scene carry out battery discharging experiment when waste time and energy, cannot
Fully and completely execution battery service work problem and cannot real-time detection accumulator runnability problem.
The technical problem of the present invention is solved by following technical scheme：
A kind of intelligentized accumulator remote online detection method, comprises the steps：
1）Starting step：Switching Power Supply monitoring unit receives discharge test order, and automatic accumulator is discharged survey online
Examination；
2）Testing procedure：Switching Power Supply monitoring unit automatically turns down switch electricity according to the discharge mode in discharge test order
The output voltage in source, to the group voltage protection value of predetermined accumulator battery, carries out accumulator online using load original in base station
Discharge test, the group voltage of real-time reception accumulator battery, group electric current, in accumulator battery the monomer voltage of each cell batteries and
Load current reports remote monitoring center；
3）Stop step：When reaching predetermined electric discharge termination condition, Switching Power Supply monitoring unit is automatically stopped accumulator and puts
Electrical testing, and automatically recover the voltage to before discharge test for the output voltage of Switching Power Supply；
4）Calculation procedure：Switching Power Supply monitoring unit is calculated automatically from the actual of battery in this discharge process in real time and puts
Capacitance and actual charging time, report remote monitoring center.
Preferably, described discharge mode is the electric discharge of verification property or full capacity electric discharge, also includes sentencing before described testing procedure
Disconnected step：Described Switching Power Supply monitoring unit judges that discharge test order is the electric discharge of verification property or full capacity electric discharge；
Preferably, described step 2）In also include by real-time reception to accumulator battery in each cell batteries monomer
Voltage is stored in described Switching Power Supply monitoring unit, so that the electric power storage of remote monitoring center energy any one website of monitor in real time
The monomer voltage of each cell batteries of pond group.Preferably, described step 3）In predetermined electric discharge termination condition be described group
Voltage is less than the group voltage protection value of described predetermined accumulator battery, discharge time reaches test time, described actual put
Capacitance reaches battery discharging end of test capacity, described monomer voltage is less than predetermined monomer voltage protection value, system is produced
One of alarm and Non-follow control halt instruction are given birth to.
Preferably, described step 1）In, described Switching Power Supply monitoring unit is by the one of which in following three kinds of modes
Receive discharge test order：From remote monitoring center, from the panel of Switching Power Supply monitoring unit operation start or reached
The predetermined timing battery discharging testing time.
Preferably, in this discharge process described, the actual discharge capacity of battery calculates in the following manner：Put from accumulator
Electrical testing start to finish, Switching Power Supply monitoring unit calculates discharge capacity Δ C every a special time Δ tPut=I ×（Δt /
3600）, obtaining described actual discharge capacity is C=Δ CPut 1+ΔCPut 2+ΔCPut 3+……..+ΔCPut n；Wherein said I is that electric discharge is surveyed
The electric current of the accumulator battery of actual acquisition during examination, described Δ t is value within the 10-50 second；If the condition that electric discharge terminates is institute
State the group voltage protection value that group voltage is less than described predetermined accumulator battery, then also include the actual of calculating accumulator and possess appearance
Amount：In this discharge process described, the actual discharge capacity of battery is the actual retained storage capacity of accumulator；And by described reality
Retained storage capacity reports Surveillance center to update.
Preferably, described actual charging time is according to load current, the actual retained storage capacity of accumulator and accumulator
Residual capacity is calculated in real time：Residual capacity/the load current of t1=accumulator；The actual retained storage capacity of t2=accumulator/negative
Carry electric current, described actual charging time is the smaller value of t1 and t2；The residual capacity of wherein said accumulator refers to that accumulator is filled
Electric discharge cumulative and, Switching Power Supply monitoring unit every a special time Δ t ' calculate the capacity Δ C=I ' that releases or be filled with ×
（Δt′ /3600）, the residual capacity obtaining described accumulator is CSurplus=ΔC1+ΔC2+ΔC3+……..+ΔCn；Wherein institute
State the electric current of the accumulator battery that I ' is Real-time Collection, described Δ t ' is value within the 10-50 second.
A kind of intelligentized accumulator remote online detecting system, for on-line checking as base station switch power supply standby electricity
The accumulator battery in source, including remote monitoring center, Switching Power Supply monitoring unit, battery tension harvester and current collector,
Described Switching Power Supply monitoring unit is connected with described remote monitoring center, battery tension harvester and current collector respectively,
Described battery tension harvester is used for gathering the monomer voltage of each cell batteries and accumulator battery in described accumulator battery
Group voltage, described current collector is used for gathering in base station the electric current of load, and described Switching Power Supply monitoring unit is used for basis
The online discharge test of discharge mode automatic accumulator, automatically turn down the output voltage of Switching Power Supply to predetermined accumulator battery
Group voltage protection value, make accumulator battery carry out discharge test, automatic real-time reception accumulator battery online using described load
Group voltage, group electric current, in accumulator battery the monomer voltage of each cell batteries and load current and report remote monitoring center,
It is automatically stopped battery discharging test and automatically recover the voltage to before discharge test for the output voltage of Switching Power Supply and real-time
Automatically the actual discharge capacity calculating battery in this discharge process with actual charging time and reports remote monitoring center；Described
Accumulator battery and accumulator battery described in parameter monitor in real time that remote monitoring center reports according to described Switching Power Supply monitoring unit
In single battery.
Preferably, described discharge mode is the electric discharge of verification property or full capacity electric discharge, and described Switching Power Supply monitoring unit is also used
In judge described discharge mode be verification property electric discharge or full capacity electric discharge.
Preferably, it is additionally provided with memorizer in described Switching Power Supply monitoring unit, for storing each monomer in accumulator battery
The monomer voltage of accumulator.
The beneficial effect that the present invention is compared with the prior art is：Battery discharging test is carried out by above technical scheme,
The current consuming apparatus that the load used during test just has for base station script, are increased without discharge module, you can realize to base station electric power storage
The actual charging time in pond and actual discharge capacity carry out real-time online automatic measurement, and cost is lower, the actual discharge of accumulator
Capacity is that accumulator aged deterioration updates and provides foundation, and the actual charging time of accumulator is to the power supply capacity of base station storage batteries more
Meaningful and more directly perceived, simultaneously far and near real far from maintenance centre's road according to base station after being connected to the alarm that has a power failure for remote monitoring center
Existing auto form delivering generates electricity and safeguards that providing strong ensures, reduces maintenance workload and labor intensity, improves maintenance efficiency, improves electricity
Pond maintenance quality and maintenance work safety；
Further in scheme, also include actual retained storage capacity and the residual capacity of real-time automatic measuring accumulator battery,
So that remote monitoring center real-time monitors the residual capacity of the accumulator battery of any one website and the accumulator battery that upgrades in time
Actual retained storage capacity, provide more favourable guarantee for safeguarding of accumulator.
Brief description
When Fig. 1 is to carry out ice storing time using accumulator remote online detecting system intelligentized in the embodiment of the present invention
System schematic；
Fig. 2 is the circuit diagram of Fig. 1；
Fig. 3 is the system diagram of Fig. 2 breaker in middle power supply supervision unit.
Specific embodiment
Below against accompanying drawing with reference to preferred embodiment, the present invention is explained in detail.
In one embodiment, intelligentized accumulator remote online detection method, comprises the steps：
1）Starting step：Switching Power Supply monitoring unit receives discharge test order, and automatic accumulator is discharged survey online
Examination；
2）Testing procedure：Switching Power Supply monitoring unit automatically turns down switch electricity according to the discharge mode in discharge test order
The output voltage in source, to the group voltage protection value of predetermined accumulator battery, carries out accumulator online using load original in base station
Discharge test, the group voltage of real-time reception accumulator battery, group electric current, in accumulator battery the monomer voltage of each cell batteries and
Load current reports remote monitoring center；
3）Stop step：When reaching predetermined electric discharge termination condition, Switching Power Supply monitoring unit is automatically stopped accumulator and puts
Electrical testing, and automatically recover the voltage to before discharge test for the output voltage of Switching Power Supply；
4）Calculation procedure：Switching Power Supply monitoring unit is calculated automatically from the actual of battery in this discharge process in real time and puts
Capacitance and actual charging time, report remote monitoring center.
In another embodiment, specifically, comprise the steps：
1）Starting step：Switching Power Supply monitoring unit receives discharge test life by one of them in following three kinds of modes
Order：From remote monitoring center, startup is operated from the panel of Switching Power Supply monitoring unit or has reached predetermined timing electric power storage
The tank discharge testing time, the online discharge test of automatic accumulator；
2）Judge step：Switching Power Supply monitoring unit judges that the discharge mode in discharge test order is that the electric discharge of verification property is gone back
It is full capacity electric discharge；
3）Testing procedure：Switching Power Supply monitoring unit automatically turns down switch electricity according to the discharge mode in discharge test order
The group voltage of the output voltage in source to accumulator battery when the predetermined verification electric discharge of corresponding discharge mode or full capacity electric discharge is protected
Shield value, carries out battery discharging test online using load original in base station；Real-time reception battery tension harvester gathers
The monomer voltage of each cell batteries in the group voltage of the accumulator battery obtaining and accumulator battery, and current collector collection
The group electric current obtaining and load current report remote monitoring center, and by real-time reception to accumulator battery in each monomer electric power storage
The monomer voltage in pond is stored in Switching Power Supply monitoring unit, for remote monitoring center monitor in real time；
4）Stop step：When reaching predetermined electric discharge termination condition, Switching Power Supply monitoring unit is automatically stopped accumulator and puts
Electrical testing, and automatically recover the voltage to before discharge test for the output voltage of Switching Power Supply, electric discharge termination condition includes following
One of：Described group of voltage reached test and continues less than the group voltage protection value of described predetermined accumulator battery, discharge time
Time, described actual discharge capacity reach battery discharging end of test capacity, described monomer voltage is less than predetermined monomer electricity
Pressure protection value, system create alarm and Non-follow control halt instruction etc., in discharge test, as long as the monomer of current accumulator
Voltage is less than predetermined monomer voltage protection value, and Switching Power Supply monitoring unit is automatically stopped battery discharging test, and informs remote
This Battery pack batteries of range monitoring center are abnormal, the monomer voltage of accumulator reported remote monitoring center simultaneously, are used for
Remote monitoring center real-time detection is to the monomer voltage often saving accumulator of any one website.
5）Calculation procedure：Switching Power Supply monitoring unit is calculated automatically from the actual of battery in this discharge process in real time and puts
Capacitance, actual charging time, actual retained storage capacity, discharge time, discharge voltage, discharge current, also include calculating accumulator
Residual capacity, and report remote monitoring center, such remote monitoring center can constantly detect any one website
The residual capacity of accumulator.
After discharge test terminates, Switching Power Supply monitoring unit, battery discharging test result, refers to including discharge mode
Verification property electric discharge or full capacity electric discharge, the time started of battery discharging, electric discharge persistent period, discharge at the end of electric power storage
Pond group voltage, the average discharge current of accumulator battery, the actual discharge capacity of accumulator, the temperature of accumulator battery, electric discharge terminate
The reason, whether accumulator normal, actual charging time and actual retained storage capacity report remote monitoring center.
In this discharge process, the actual discharge capacity of battery calculates in the following manner：From battery discharging test start to
Terminate, Switching Power Supply monitoring unit calculates discharge capacity Δ C every a special time Δ tPut=I ×（Δt /3600）, obtain institute
Stating actual discharge capacity is C=Δ CPut 1+ΔCPut 2+ΔCPut 3+……..+ΔCPut n；Wherein said I is actual acquisition during discharge test
Accumulator battery electric current, described Δ t is value within the 10-50 second, Δ t=20s in the present embodiment, battery discharging test
During beginning, Switching Power Supply monitoring unit calculated Δ C every 20 secondsPut=I ×（Δt /3600）, the 1st can be calculated and put within 20 seconds
The capacity going out is Δ CPut 1, the 2nd capacity released for 20 seconds is Δ CPut 2, the 3rd capacity released for 20 seconds is Δ CPut 3, until storing
Battery discharge terminates i.e. Δ CPut n, the actual discharge capacity that such Switching Power Supply monitoring unit can count accumulator is Δ CPut 1+
ΔCPut 2+ΔCPut 3+……..+ ΔCPut nCumulative and.
After battery discharging test terminates, if Switching Power Supply monitoring unit detects battery discharging, test is because
The group voltage of accumulator is less than battery discharging end of test group voltage（The i.e. group voltage protection value of predetermined accumulator battery）And
Terminate battery discharging test, the then actual retained storage capacity of calculating accumulator：Aforementioned the actual of calculated accumulator is put
Capacitance is the actual retained storage capacity of accumulator, more by the actual retained storage capacity of the accumulator in remote monitoring center simultaneously
Newly, if because the electric discharge that leads to of other reasonses terminates, then the actual retained storage capacity of not calculating accumulator, that is, accumulator is actual
Retained storage capacity maintains original value, is so easy to the actual retained storage capacity that remote monitoring center real-time monitors accumulator battery.
The residual capacity of accumulator refers to the cumulative of accumulator cell charging and discharging and Switching Power Supply monitoring unit is when one is specific
Between Δ t ' calculate release or be filled with capacity Δ C=I ' ×（Δt′ /3600）, the residual capacity obtaining described accumulator is CSurplus=
ΔC1+ΔC2+ΔC3+……..+ΔCn；Wherein said I ' be Real-time Collection accumulator battery electric current, described Δ t ' be
Value in the 10-50 second；Δ t '=20s in the present embodiment, Switching Power Supply monitoring unit calculated, every 20 seconds, the capacity released or be filled with
Δ C=I ' ×（Δt′/3600）, can calculate the 1st capacity released or be filled with for 20 seconds is Δ C1, release within 20 seconds for the 2nd
Or the capacity being filled with is Δ C2, the 3rd capacity released or be filled with for 20 seconds is Δ C3, until Δ Cn, count accumulator
Residual capacity is Δ C1+ΔC2+ΔC3+……..+ ΔCnCumulative and.
Actual charging time is real-time according to the residual capacity of load current, the actual retained storage capacity of accumulator and accumulator
It is calculated：Residual capacity/the load current of t1=accumulator；Actual retained storage capacity/the load current of t2=accumulator, actual standby
The electric time is the smaller value of t1 and t2.
As shown in figure 1, in one embodiment, intelligentized accumulator remote online detecting system, for on-line checking
As the accumulator battery 6 of base station switch power supply back-up source, accumulator battery 6 is connected in series by single battery 61 ~ 6n, inspection
Examining system includes remote monitoring center 2, Switching Power Supply monitoring unit 1, battery tension harvester 4 and current collector 5, opens
Close power supply supervision unit 1 to be connected with remote monitoring center 2, battery tension harvester 4 and current collector 5 respectively, accumulator
Voltage collector 4 is used for gathering the group electricity of the monomer voltage of each cell batteries 61 ~ 6n and accumulator battery 6 in accumulator battery 6
Pressure, current collector 5 is used for collection load（This load is the load that base station script just has, and when battery discharging is tested, is used as
The load that accumulator is discharged）Electric current, Switching Power Supply monitoring unit 1 include for according to discharge mode automatic store
The online discharge test of battery, automatically turn down the group voltage protection value of the output voltage of Switching Power Supply to predetermined accumulator battery, make
Accumulator battery carries out discharge test, the group voltage of automatic real-time reception accumulator battery, group online using load original in base station
The monomer voltage of each cell batteries and load current report remote monitoring center, be automatically stopped in electric current, accumulator battery
Battery discharging test the automatically voltage to before discharge test for the output voltage of recovery Switching Power Supply and automatically calculate in real time
In this discharge process, the actual discharge capacity of battery with actual charging time and reports remote monitoring center；Remote monitoring center
2 accumulator batteries 6 described in parameter monitor in real time being reported according to described Switching Power Supply monitoring unit 1 and the accumulator in accumulator battery
Monomer 61 ~ 6n.
When carrying out battery discharging using this system, described Switching Power Supply monitoring unit 1 respectively with described remote monitoring in
The heart 2, battery tension harvester 4, current collector 5, accumulator battery 6 and load 3 connection, described accumulator battery 6 and described negative
Carry 3 connections, described battery tension harvester 4 is connected with each single battery 61 ~ 6n respectively, for described in gathering each
The group voltage of the monomer voltage of cell batteries 61 ~ 6n and accumulator battery 6, described current collector 5 is connected with described load 3,
For gathering the electric current of described load 3, the electric discharge of verification property or full capacity electric discharge are carried out according to above-mentioned detection method.As shown in Fig. 2
The circuit diagram of the intelligentized accumulator remote online detecting system for Fig. 1, alternating current through exchange input switch QFA1 and
QFA2 inputs, and then respectively enters rectification module PSU1 ~ 12 by switching QFA3 ~ QFA14, alternating current is through rectification module PSU1
It is changed into VD after ~ 12（- 48V ,+0V）, it is then divided into different branch roads to load LOAD, i.e. the power consumption of base station sets
Standby, use as discharge load in battery detecting, and accumulator battery BAT2, BAT1 is powered, also monitor to Switching Power Supply simultaneously
Unit 1（The PMU of in figure）Power supply, Switching Power Supply monitoring unit PMU management as the detection of accumulator remote online in detection
Part.
As shown in figure 3, being additionally provided with memorizer 1a ~ 1h in Switching Power Supply monitoring unit 1, every in accumulator battery for storing
The monomer voltage of individual cell batteries, memorizer 1a ~ 1h is connected with the CPU 1j of Switching Power Supply monitoring unit by I2C interface,
The single battery voltage that Switching Power Supply monitoring unit 1 receives constantly stores in memorizer 1a ~ 1h, in case in remote monitoring
Heart monitoring and inquiry.
Any of the above embodiment is all applied to the electric discharge of verification property and full capacity electric discharge, is therebetween in remote monitoring
The group voltage protection value of the accumulator battery arranging in the heart（Terminate termination group voltage）Different.
Above content is to further describe it is impossible to assert with reference to specific preferred implementation is made for the present invention
Being embodied as of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of present inventive concept, make some equivalent substitutes or obvious modification, and performance or purposes are identical, all should
It is considered as belonging to protection scope of the present invention.
Claims (10)
1. a kind of intelligentized accumulator remote online detection method is it is characterised in that comprise the steps：
1) starting step：Switching Power Supply monitoring unit receives discharge test order, the online discharge test of automatic accumulator；
2) testing procedure：Switching Power Supply monitoring unit automatically turns down Switching Power Supply according to the discharge mode in discharge test order
Output voltage, to the group voltage protection value of predetermined accumulator battery, carries out battery discharging online using load original in base station
Test, the monomer voltage of each cell batteries and load in the group voltage of real-time reception accumulator battery, group electric current, accumulator battery
Electric current reports remote monitoring center；
3) stop step：When reaching predetermined electric discharge termination condition, Switching Power Supply monitoring unit is automatically stopped battery discharging and surveys
Examination, and automatically recover the voltage to before discharge test for the output voltage of Switching Power Supply；
4) calculation procedure：The actual discharge that Switching Power Supply monitoring unit is calculated automatically from battery in this discharge process in real time holds
Amount and actual charging time, report remote monitoring center.
2. accumulator remote online detection method as claimed in claim 1 it is characterised in that：Described discharge mode is verification property
Electric discharge or full capacity electric discharge, also include judging step before described testing procedure：Described Switching Power Supply monitoring unit judges electric discharge
Test command is the electric discharge of verification property or full capacity electric discharge.
3. accumulator remote online detection method as claimed in claim 1 it is characterised in that：Described step 2) in also include by
Real-time reception to accumulator battery in the monomer voltage of each cell batteries be stored in described Switching Power Supply monitoring unit, with
Enable the monomer voltage of each cell batteries of accumulator battery of remote monitoring center any one website of monitor in real time.
4. accumulator remote online detection method as claimed in claim 1 it is characterised in that：Described step 3) in predetermined putting
Electric termination condition is that described group of voltage is less than the group voltage protection value of described predetermined accumulator battery, discharge time reaches test and holds
Continuous time, described actual discharge capacity reach battery discharging end of test capacity, described monomer voltage is less than predetermined monomer
Voltage protection value, system create one of alarm and Non-follow control halt instruction.
5. accumulator remote online detection method as claimed in claim 1 it is characterised in that：Described step 1) in, described open
Close power supply supervision unit and discharge test order is received by the one of which in following three kinds of modes：From remote monitoring center,
From the panel of Switching Power Supply monitoring unit, operation starts or has reached the predetermined timing battery discharging testing time.
6. accumulator remote online detection method as claimed in claim 4 it is characterised in that：Electricity in this discharge process described
The actual discharge capacity in pond calculates in the following manner：Test start to finish from battery discharging, Switching Power Supply monitoring unit is every
Calculate discharge capacity Δ C every a special time Δ tPut n=In× (Δ t/3600), obtaining described actual discharge capacity is C=Δ
CPut 1+ΔCPut 2+ΔCPut 3+........+ΔCPut n；Wherein said InFor the electric current of the accumulator battery of actual acquisition during discharge test,
Described Δ t is value within the 10-50 second；
If the condition that electric discharge terminates is the group voltage protection value that described group of voltage is less than described predetermined accumulator battery, also wrap
Include the actual retained storage capacity of calculating accumulator：In this discharge process described, the actual discharge capacity of battery is the reality of accumulator
Border retained storage capacity；And described actual retained storage capacity is reported Surveillance center to update.
7. accumulator remote online detection method as claimed in claim 6 it is characterised in that：Described actual charging time is root
Residual capacity according to load current, the actual retained storage capacity of accumulator and accumulator is calculated in real time：T1=accumulator surplus
Covolume amount/load current；Actual retained storage capacity/the load current of t2=accumulator, described actual charging time is t1's and t2
Smaller value；The residual capacity of wherein said accumulator refer to the cumulative of accumulator cell charging and discharging and, Switching Power Supply monitoring unit every
One special time Δ t ' calculates the capacity Δ C releasing or being filled withn=In' × (Δ t '/3600), obtain the residue of described accumulator
Capacity is CSurplus=Δ C1+ΔC2+ΔC3+........+ΔCn；Wherein said In' for Real-time Collection accumulator battery electric current, institute
Stating Δ t ' is value within the 10-50 second.
8. a kind of intelligentized accumulator remote online detecting system, for on-line checking as base station switch power supply back-up source
Accumulator battery it is characterised in that：Including remote monitoring center, Switching Power Supply monitoring unit, battery tension harvester and electricity
Stream harvester, described Switching Power Supply monitoring unit is adopted with described remote monitoring center, battery tension harvester and electric current respectively
Storage connects, described battery tension harvester be used for gathering in described accumulator battery the monomer voltage of each cell batteries and
The group voltage of accumulator battery, described current collector is used for gathering the electric current of load in base station, described Switching Power Supply monitoring unit
For according to the online discharge test of discharge mode automatic accumulator, automatically turn down the output voltage of Switching Power Supply to predetermined
The group voltage protection value of accumulator battery, makes accumulator battery carry out discharge test, automatic real-time reception storage online using described load
The group voltage of set of cells, group electric current, the monomer voltage of each cell batteries and load current report long-range in accumulator battery
Surveillance center, it is automatically stopped the electricity to before discharge test for the output voltage of battery discharging test recovery Switching Power Supply automatically
Pressure and the real-time actual discharge capacity automatically calculating battery in this discharge process with actual charging time and report remote monitoring
Center；Accumulator battery described in parameter monitor in real time that described remote monitoring center reports according to described Switching Power Supply monitoring unit and
Single battery in accumulator battery.
9. intelligentized accumulator remote online detecting system according to claim 8 it is characterised in that：Described electric discharge mould
Formula is the electric discharge of verification property or full capacity electric discharge, and described Switching Power Supply monitoring unit is additionally operable to judge that described discharge mode is verification property
Electric discharge or full capacity electric discharge.
10. intelligentized accumulator remote online detecting system according to claim 8 it is characterised in that：Described switch
It is additionally provided with memorizer, for storing the monomer voltage of each cell batteries in accumulator battery in power supply supervision unit.
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| CN201110204557.3A CN102279369B (en) | 2011-07-21 | 2011-07-21 | Intelligent remote online storage battery detection method and system |
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