CN105449299A - Floating charge voltage based storage battery remote charge-discharge method - Google Patents
Floating charge voltage based storage battery remote charge-discharge method Download PDFInfo
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- CN105449299A CN105449299A CN201510793600.2A CN201510793600A CN105449299A CN 105449299 A CN105449299 A CN 105449299A CN 201510793600 A CN201510793600 A CN 201510793600A CN 105449299 A CN105449299 A CN 105449299A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/446—Initial charging measures
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/448—End of discharge regulating measures
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
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- General Chemical & Material Sciences (AREA)
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a floating charge voltage based storage battery remote charge-discharge method. Online discharging for a storage battery is carried out by remotely lowering a set value of a set floating charge voltage; online charging for the storage battery is carried out by remotely recalling the originally-set set value of the floating charge voltage; and the method also provides calculation for the capacity of the storage battery. According to the floating charge voltage based storage battery remote charge-discharge method, the deep discharge, automatic monitoring, batch operation and fixed cycle operation can be realized.
Description
Technical field
The present invention relates to storage battery field, mobile base station, particularly relate to the long-range charging/discharging thereof of a kind of storage battery based on float charge voltage.
Background technology
In the communication accident that electrical network is over the years, because communication battery failures or interchange have a power failure and cause the ratio that communication equipment has a power failure, the accident of communication disruption accounts for quite large, communication power supply is as " supply station " of communication system, and its reliability of operation and fail safe more and more become the operating key factor that communicates.Therefore, the power supply of each communication site and storage battery should regularly carry out making an inspection tour and checking, guarantee accomplishes that storage battery carries out capacity test or checking discharging test every year, and the alarm of power supply and storage battery must receive people place on duty, ensure communication power supply and storage battery reliability of operation and fail safe with this, and then improve whole communication equipment reliability of operation and fail safe.
The batteries of the mobile base station be made up of storage battery is the back-up source of base station, when mains failure, utilizes batteries power supply to the device, to keep the unimpeded of communication.Usually, base station uses Switching Power Supply power supply to the device, simultaneously also accumulators group charging; Accumulators group all charging transfers floating charge to after being full of; Floating charge is the loss for compensating storage battery self discharge, makes storage battery remain full of the state of electricity, and during to ensure to have a power failure, storage battery can be powered at full capacity; Storage battery is that long-time running is at floating charge state.Usually, in the industry the single storage battery in batteries is called " cell ".
Realize electric discharge and the charging of storage battery, have 2 kinds of ways at present, one is adopt manually to safeguard storage battery.The mode of manual maintenance is, attendant patrols and examines once in per season, adopts off-line to safeguard, take off maintenance by after storage battery power-off from batteries to behindhand battery, and just electric discharge that voltage is high, under-voltage just supplements electricity.To overcharge or the battery of charge less is overcharging or working under charge less state for a long time, safeguard it is once far from being enough by per season.Along with mobile base station is on the increase, safeguard that strength is obviously not enough.Moreover manual maintenance labour intensity is large, and artificial transport cost is high, this delayed, extensive manual maintenance, can not meet the meticulous maintenance of real-time online required for storage battery at all.
Two is the Switching Power Supply supervisory control systems by having set up, and is discharged by the long-range float charge voltage passage turning down Switching Power Supply one by one, is charged after having discharged by readjustment order again.As " the long-range electric discharge of storage battery and monitoring " (" communication of power system " the 27th volume the 163rd phase the 75th page), the final voltage disclosed by arranging battery discharging realizes storage battery and automatically stops discharging, transfers to and all fill state, and not mentioned charging operations.The method only singlely can carry out long-range electric discharge, and discharge process obtains moment concern, recharges in time to have discharged.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide the storage battery based on float charge voltage of a kind of deep discharge, automatic monitoring, batch operation, fixed cycle operator long-range charging/discharging thereof, the method also provides the calculating of battery capacity.
Above-mentioned purpose of the present invention is achieved by following technical solution:
The long-range charging/discharging thereof of storage battery based on float charge voltage, comprises the steps:
S1, the long-range float charge voltage set point turning down setting are carried out storage battery and are discharged online;
S2, judge electric discharge whether success according to blocks current size;
S3, according to battery voltage or battery current size judge electric discharge whether complete;
S4, long-range float charge voltage set point of recalling to former setting are carried out storage battery and are charged online;
S5, judge charging whether success according to blocks current size;
S6, according to battery current size judge charging whether complete.
The principle of accumulator cell charging and discharging is for comprising as the next stage:
(1) initial condition, the float charge voltage of Switching Power Supply is equal with battery voltage, equals the voltage under storage battery floating charge state, and now between Switching Power Supply and storage battery, voltage difference is zero, and electric current is about 0, is called high pressure floating charge state;
(2) turn down Switching Power Supply float charge voltage, now Switching Power Supply controls to disconnect rectification module, and battery and load are connected, and storage battery carries out discharge operation.Battery tension is by reduction, and discharging current reduces gradually, is called discharge process;
(3) in the process of electric discharge along with the reduction of battery tension, final equal with the float charge voltage of Switching Power Supply, now electric current tends to 0, is called charge less state;
(4), when heightening Switching Power Supply float charge voltage, Switching Power Supply is except charging a battery while power supply to the device.Battery tension progressively raises, and electric current reduces gradually, and this process is called charging process;
(5) in the process of charging along with the rising of battery tension, final equal with the float charge voltage of Switching Power Supply, now electric current tends to 0, is called floating charge state.
Particularly, the float charge voltage set point after turning down in described step S1 is 48V.
The concrete determination methods of step S2 is the blocks current whether <-3 checking battery pack, and continues more than 1 minute, is be judged as discharging successfully.
The concrete determination methods of described step S3 is judged by voltage or electric current, if battery voltage equals float charge voltage or battery current is greater than >-0.1A and continues one minute, then judges that electric discharge terminates.
The concrete determination methods of described step S5 is the blocks current whether >3A checking battery pack, and continues more than 1 minute, is judge to charge successfully.
The concrete determination methods of described step S6 is logical over-current judging, and battery current is greater than >0.1A also lasting one minute, then judge that charging terminates, battery reaches floating charge state.
Further, also comprise the steps: before step S1
Can S01, judgement carry out discharge operation: the various parameter of Switching Power Supply gathering electric discharge office station, has judged whether mains failure alarm, undervoltage alarm, communication disruption alarm, had, do not carried out discharge operation;
S02, parameters value: carry out discharge operation if judge, then carry out direct current undervoltage alarm value and arrange.
Before step S01 Remote Selection one or more want the office of operated discharge to stand.
The present invention is also provided with the relevant temperature of background server real time record storage battery, battery tension, average current, discharge time, charging interval, releasing electricity, charge capacity, for adding up accumulator property, comprise the natural electric discharge recording of long-range electric discharge recording and base station power failure.
Background service monitors battery tension current value in real time, as long as meet discharge and recharge event with regard to record.In conjunction with relevant record form, accumulator cell charging and discharging voltage curve, key message such as electric discharge average current, average electricity etc. can be obtained.
The calculating of battery capacity, capacity and the possible hidden danger of precognition storage battery are also most important.Because certain single battery capacity (behindhand battery) less than normal in batteries, during electric discharge, premature termination electric discharge, causes whole group storage battery premature termination discharge time.Or have a cell damage (fail battery) in batteries, then whole Battery pack can not work, and causes the accident of communicating interrupt.
Voltage, the current conditions of dynamic calculation storage battery in whole discharge process, carry out volume calculation according to following formula:
(1) release battery capacity=electric discharge duration * to discharge average current;
The average current of the storage battery 2 of storage battery 1 average current+in discharge time in electric discharge average current=discharge time+... the average current of storage battery n in+discharge time;
Storage battery 1/2/ ... average current=the battery 1/2/ of/n ... the electric current all values ÷ that/n stores stores number of times; The electric current all values stored be background server real time record discharge time in all values sum of battery current;
(2) storage battery practical capacity estimation: the actual estimated capacity of storage battery=releasing battery capacity/S, wherein S is variable, and S is set point or default value.
Compared with prior art, beneficial effect of the present invention is as follows:
(1) prior art is generally by single downward float charge voltage, in most cases cannot carry out deep discharge, and this present invention arranges passage by lowering to be correlated with, and can carry out the electric discharge of the more degree of depth and avoid producing battery low pressure warning;
(2) human cost is saved: communication base station quantity is many, a single operator of districts and cities has more than 2000 substantially, and publishing region is wide, is distributed in suburbs and outlying mountain area in a large number, if manually carry out charge and discharge maintenance to base station, on average for each person every day only can the base station in about 2, room.Require technology with the charge and discharge maintenance of 1 year at least twice, human cost (2000*200*2)/2,=40 ten thousand, the whole province 10000 station calculates, and cost is at least the human cost of annual 2000000.Use this long-range charging method, discharge together in single batch of energy every day 1000 base stations, can unattended operation discharge and recharge for the normal base station of most monitored condition, equipment that abnormal or switch power module do not support just needs manual intervention to only have minority to communicate, and greatly saves human cost;
(3) precisely reliable to accumulator cell charging and discharging maintenance record: traditional manpower regular visit discharge and recharge, general just quarterly or patrol and examine half a year and once carry out discharge and recharge, safeguard that dynamics is inadequate.The long-term civil power of portion of base stations is for normally only just carrying out a discharge and recharge when patrolling and examining, and portion of base stations originally repeatedly carries out degree of depth discharge and recharge, without the need to repeating charge and discharge maintenance in commercial power interruption situation.Utilize the method can record storage battery whether naturally to discharge under normal circumstances, in conjunction with long-range electric discharge recording, more scientific accumulator cell charging and discharging maintenance record can be obtained;
(4) by real-time monitoring, the lasting duration of record discharge and recharge, whether the quality of the quality of Timeliness coverage battery, reach the state that will change.
Accompanying drawing explanation
Fig. 1 is principle schematic of the present invention;
Fig. 2 is schematic flow sheet of the present invention;
Fig. 3 is voltage curve discharge time that embodiment 1 is tested.
Embodiment
Below in conjunction with specific embodiment the present invention made and elaborating further, but embodiment does not limit in any form the present invention.
Embodiment 1
As Fig. 2, the long-range charging/discharging thereof of a kind of storage battery based on float charge voltage, comprises the steps:
Step 1: by selecting office station (can batch) that will discharge, carry out discharge operation;
Step 2: judge to carry out discharge operation: the various parameter of Switching Power Supply gathering electric discharge office station, has judged whether mains failure alarm, undervoltage alarm, communication disruption alarm.Have, do not carry out discharge operation;
Step 3: parameters value is discharged: carry out direct current undervoltage alarm value and arrange, arranging this value is to not produce undervoltage alarm in discharge process, turn down float charge voltage settings; This step does not draw;
Step 4: detect electric discharge whether success: by checking the blocks current whether <-3 of battery pack after setting command, and continuing more than 1 minute, is illustrate and discharge successfully;
Step 5: judge whether discharge off: judged by voltage or electric current, if battery voltage equals float charge voltage or battery current is greater than >-0.1A and continues one minute, then illustrates that electric discharge terminates;
Step 6: return setting parameter: direct voltage and floating charge are pushed back and establishes back the original value sending out floating charge state; This step does not draw;
Step 7: detect charging whether success: by checking the blocks current whether >3A of battery pack after setting command, and continuing more than 1 minute, is illustrate and charge successfully;
Step 8: judge whether charging complete: judged by person's electric current, battery current is greater than >0.1A and continues one minute, then illustrate that charging terminates, battery reaches floating charge state.
Above 8 steps complete a discharge and recharge flow process.Wherein, former float charge voltage settings are 53.5V, and float charge voltage settings 48V after lowering, battery voltage is 53.5V.
As Fig. 1, the principle of accumulator cell charging and discharging is for comprising as the next stage:
(6) initial condition, the float charge voltage of Switching Power Supply is equal with battery voltage, equals the voltage under storage battery floating charge state, and now between Switching Power Supply and storage battery, voltage difference is zero, and electric current is about 0, is called high pressure floating charge state;
(7) turn down Switching Power Supply float charge voltage, now Switching Power Supply controls to disconnect rectification module, and battery and load are connected, and storage battery carries out discharge operation.Battery tension is by reduction, and discharging current reduces gradually, is called discharge process;
(8) in the process of electric discharge along with the reduction of battery tension, final equal with the float charge voltage of Switching Power Supply, now electric current tends to 0, is called charge less state;
(9), when heightening Switching Power Supply float charge voltage, Switching Power Supply is except charging a battery while power supply to the device.Battery tension progressively raises, and electric current reduces gradually, and this process is called charging process;
(10) in the process of charging along with the rising of battery tension, final equal with the float charge voltage of Switching Power Supply, now electric current tends to 0, is called floating charge state.
The present embodiment is also provided with the relevant temperature of background server real time record storage battery, battery tension, average current, discharge time, charging interval, releasing electricity, charge capacity, for adding up accumulator property, comprise the natural electric discharge recording of long-range electric discharge recording and base station power failure.
Background service monitors battery tension current value in real time, as long as meet discharge and recharge event with regard to record.In conjunction with relevant record form, accumulator cell charging and discharging voltage curve, key message such as electric discharge average current, average electricity etc. can be obtained.
The calculating of battery capacity, capacity and the possible hidden danger of precognition storage battery are also most important.Because certain single battery capacity (behindhand battery) less than normal in batteries, during electric discharge, premature termination electric discharge, causes whole group storage battery premature termination discharge time.Or have a cell damage (fail battery) in batteries, then whole Battery pack can not work, and causes the accident of communicating interrupt.
Voltage, the current conditions of dynamic calculation storage battery in whole discharge process, carry out volume calculation according to following formula:
(1) release battery capacity=electric discharge duration * to discharge average current;
The average current of the storage battery 2 of storage battery 1 average current+in discharge time in electric discharge average current=discharge time+... the average current of storage battery n in+discharge time;
Storage battery 1/2/ ... average current=the battery 1/2/ of/n ... the electric current all values ÷ that/n stores stores number of times; The electric current all values stored be background server real time record discharge time in all values sum of battery current;
(2) storage battery practical capacity estimation: the actual estimated capacity of storage battery=releasing battery capacity/S, wherein S is variable, and S is set point or default value.
Default value is as following table:
| Final discharging voltage (V) | S |
| 49 | 0.3 |
| 48.5 | 0.43 |
| 48 | 0.54 |
| 47.5 | 0.63 |
| 47 | 0.71 |
| 46.5 | 0.78 |
| 46 | 0.84 |
| 45.5 | 0.89 |
| 45 | 0.93 |
| 44.5 | 0.96 |
| 44 | 0.98 |
| 43.2 | 1 |
It is as follows that the present embodiment measures one group of experimental data:
Measuring object, certain brand storage battery, initial condition battery tension 53.5V, record primary voltage per minute and current value in discharge process.Described voltage and current value are the numerical value that the switch power supply equipment timing acquiring by connecing on the battery pack obtains.
| Time T(minute) | Current value I(A) | Magnitude of voltage U(V) |
| 09:43 | 20.6 | 54 |
| 09:45 | 20．3 | 53.24 |
| 09:46 | 19.9 | 52.15 |
| 09:48 | 19.1 | 52.14 |
| 09:49 | 18.7 | 51.15 |
| 09:51 | 18.3 | 51.15 |
Test discharge time voltage curve as Fig. 3, can obtain from Fig. 3:
Discharge time=09:51:00-09:43:00=8/60 (hour)
Electric discharge average current=(20.6+20.3+19.9+19.1+18.7+18.3)/6=20.10 (peace)
Release battery capacity=electric discharge duration * to discharge average current
=8/60*20.10
=2.68 (ampere-hours)
The actual estimated capacity of storage battery=releasing battery capacity/S, wherein S is variable, and S set-point when 51V of the storage battery of this brand is 0.135 to obtain according to formula
The actual estimated capacity of battery=releasing battery capacity/S
=2.68/0.135
=19.852(ampere-hour)
The current unit of above-mentioned computing formula is A, and voltage unit is V, and chronomere is hour, and battery level unit is AH (ampere-hour).
Wherein, set-point is the estimated value of dump energy after electric discharge, and this estimated value is the empirical value after test of many times.
Claims (10)
1., based on the long-range charging/discharging thereof of storage battery of float charge voltage, it is characterized in that, comprise the steps:
S1, the long-range float charge voltage set point turning down setting are carried out storage battery and are discharged online;
S2, judge electric discharge whether success according to blocks current size;
S3, according to battery voltage or battery current size judge electric discharge whether complete;
S4, long-range float charge voltage set point of recalling to former setting are carried out storage battery and are charged online;
S5, judge charging whether success according to blocks current size;
S6, according to battery current size judge charging whether complete.
2., according to claim 1 based on the long-range charging/discharging thereof of storage battery of float charge voltage, it is characterized in that, the float charge voltage set point after turning down in described step S1 is 48V.
3. according to claim 1 based on the long-range charging/discharging thereof of storage battery of float charge voltage, it is characterized in that, the concrete determination methods of step S2 is the blocks current whether <-3 checking battery pack, and continues more than 1 minute, is be judged as discharging successfully.
4. according to claim 1 based on the long-range charging/discharging thereof of storage battery of float charge voltage, it is characterized in that, the concrete determination methods of described step S3 is judged by voltage or electric current, if battery voltage equals float charge voltage or battery current is greater than >-0.1A and continues one minute, then judge that electric discharge terminates.
5. according to claim 1 based on the long-range charging/discharging thereof of storage battery of float charge voltage, it is characterized in that, the concrete determination methods of described step S5 is the blocks current whether >3A checking battery pack, and continues more than 1 minute, is judge to charge successfully.
6. according to claim 1 based on the long-range charging/discharging thereof of storage battery of float charge voltage, it is characterized in that, the concrete determination methods of described step S6 is logical over-current judging, battery current is greater than >0.1A and continues one minute, then judge that charging terminates, battery reaches floating charge state.
7., according to claim 1 based on the long-range charging/discharging thereof of storage battery of float charge voltage, it is characterized in that, also comprise the steps: before step S1
Can S01, judgement carry out discharge operation: the various parameter of Switching Power Supply gathering electric discharge office station, has judged whether mains failure alarm, undervoltage alarm, communication disruption alarm, had, do not carried out discharge operation;
S02, parameters value: carry out discharge operation if judge, then carry out direct current undervoltage alarm value and arrange.
8., according to claim 7 based on the long-range charging/discharging thereof of storage battery of float charge voltage, it is characterized in that, before step S01 Remote Selection one or more want the office of operated discharge to stand.
9. according to claim 1 based on the long-range charging/discharging thereof of storage battery of float charge voltage, it is characterized in that, also be provided with the relevant temperature of background server real time record storage battery, battery tension, average current, discharge time, charging interval, releasing electricity, charge capacity, for adding up accumulator property.
10. according to claim 1 based on the long-range charging/discharging thereof of storage battery of float charge voltage, it is characterized in that, voltage, the current conditions of dynamic calculation storage battery in whole discharge process, carry out volume calculation according to following formula:
(1) release battery capacity=electric discharge duration * to discharge average current;
The average current of the storage battery 2 of storage battery 1 average current+in discharge time in electric discharge average current=discharge time+... the average current of storage battery n in+discharge time;
Storage battery 1/2/ ... average current=the battery 1/2/ of/n ... the electric current all values ÷ that/n stores stores number of times; The electric current all values stored be background server real time record discharge time in all values sum of battery current;
(2) storage battery practical capacity estimation: the actual estimated capacity of storage battery=releasing battery capacity/S, wherein S is variable, and S is set point or default value.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108196193A (en) * | 2017-12-22 | 2018-06-22 | 厦门拓宝科技有限公司 | A kind of method for safeguarding power matching network system worked well |
| CN108596349A (en) * | 2018-04-28 | 2018-09-28 | 广东日月潭电源科技有限公司 | A kind of ups power method for maintaining, system and device based on AR technologies |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10737581B2 (en) * | 2018-06-04 | 2020-08-11 | Industrial Technology Research Institute | Adaptive power supply system and operation method thereof |
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| CN101436823A (en) * | 2008-12-19 | 2009-05-20 | 中兴通讯股份有限公司 | Control method and control equipment capable of improving communication power supply AC electric network adaptability |
| CN202405387U (en) * | 2011-12-01 | 2012-08-29 | 吴瑞荣 | Remote comprehensive management system for storage battery of mobile base station |
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2015
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| JPH05199674A (en) * | 1992-01-18 | 1993-08-06 | Japan Storage Battery Co Ltd | Method for charging battery |
| CN101436823A (en) * | 2008-12-19 | 2009-05-20 | 中兴通讯股份有限公司 | Control method and control equipment capable of improving communication power supply AC electric network adaptability |
| CN202405387U (en) * | 2011-12-01 | 2012-08-29 | 吴瑞荣 | Remote comprehensive management system for storage battery of mobile base station |
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| CN108196193A (en) * | 2017-12-22 | 2018-06-22 | 厦门拓宝科技有限公司 | A kind of method for safeguarding power matching network system worked well |
| CN108596349A (en) * | 2018-04-28 | 2018-09-28 | 广东日月潭电源科技有限公司 | A kind of ups power method for maintaining, system and device based on AR technologies |
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