CN205070555U - Online balanced monitoring system of storage battery - Google Patents
Online balanced monitoring system of storage battery Download PDFInfo
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- CN205070555U CN205070555U CN201520896189.7U CN201520896189U CN205070555U CN 205070555 U CN205070555 U CN 205070555U CN 201520896189 U CN201520896189 U CN 201520896189U CN 205070555 U CN205070555 U CN 205070555U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 23
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 230000020411 cell activation Effects 0.000 claims description 9
- 230000011664 signaling Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 4
- 230000004913 activation Effects 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 description 5
- 238000001994 activation Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000006837 decompression Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000000205 computational method Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003908 quality control method Methods 0.000 description 2
- 235000012364 Peperomia pellucida Nutrition 0.000 description 1
- 240000007711 Peperomia pellucida Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
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Abstract
The utility model provides an online balanced monitoring system of storage battery, relates to the electric power field. The utility model relates to a solve present storage battery and have some batteries and cross and fill and phenomenon that another part battery owed to fill to current storage battery's capacity needs artifical the detection, and work load is big, the problem of inefficiency. A N battery module establishes ties, output / input of battery module both ends and an acquisition control unit is connected simultaneously to two I/O ends of every reverse discharging unit, output / input of battery module both ends and an acquisition control unit is connected simultaneously to the I/O end of every battery activation unit, every discharges and surveys two output / inputs that battery module both ends and an acquisition control unit are connected simultaneously to two I/O ends that hold the unit, two output / inputs of battery module both ends and an acquisition control unit are connected simultaneously to two I/O ends of every equalization module. It can be used to the on -line monitoring to the battery.
Description
Technical field
The utility model relates to the online balanced monitoring system of a kind of batteries.Belong to power domain.
Background technology
In power industry, in electric operation power, the effect of batteries is particularly important.Storage battery is likened to the last lifeline of security of operation by constituent parts usually.Constituent parts equipment maintenance and management department will from guaranteeing running quality; the angle of production safety and property safety payes attention to the maintenance of storage battery; when electrical grid failure, directly supply of electric power will be provided to protective relaying device, shunt of closing a floodgate, control shunt and other important load by batteries.Due to battery dispatch from the factory before design, tooling device, the factors such as quality control cause the internal resistance of every storage battery, capacity and self discharge degree not identical, and it is identical to the floating current of every storage battery when using, batteries the quality control of running management system is not all had again in the electric operation power of all producers, result is some accumulator super-charges and another part storage battery charge less, active substance of battery is caused to come off, degenerate, the phenomenons such as positive pole grid corrosion and sulfuration occur, thus whole Battery pack can be made to occur that capacity is lost, voltage is uneven, and cell fall behind etc. situation.To bring great hidden danger to safety in production like this, and when there is electric network fault, need powered battery, and battery can not put the serious accident of electricity.
But at present, the phenomenon of some accumulator super-charges and another part storage battery charge less cannot be eliminated, allow battery capacity decline and feel simply helpless.Simultaneously, owing to lacking necessary special instrument instrument, also rest in manual detection level to battery group capacity test, this is that a complex operation, workload are large, the work that efficiency is extremely low, causes and fails to carry out volume test maintenance according to regulatory requirements to storage battery.At present batteries be delivered for use from completion of works after not do the phenomenon of once thoroughly volume test so far very general.Battery is as last one critical point of electric operation power, and run if listen to let alone to be in for a long time when state is failed to understand, so hidden danger part is by numerous.As time goes on, the increase of battery service life, the discontinuity events caused by battery is by hard to guard against.
Utility model content
The utility model is the phenomenon that there is some accumulator super-charges and another part storage battery charge less in order to solve existing batteries, and the capacity of existing batteries needs manual detection, and workload is large, inefficient problem.Now provide a kind of batteries online balanced monitoring system.
The online balanced monitoring system of a kind of batteries, it comprises N number of battery module, N number of back discharge unit, N number of cell activation unit, N number of electric discharge survey appearance unit, N number of balance module, N number of collection control unit, Main Control Tank, current Hall transducer and voltage hall sensor, N is positive integer
N number of battery module series connection, two open circuit signaling input/output terminals of each back discharge unit connect the two ends of a battery module and two open circuit signaling input/output ends of a collection control unit simultaneously,
Two internal resistance detection signal input/output terminals of each cell activation unit connect the two ends of a battery module and two internal resistance detection signal input/output ends of a collection control unit simultaneously,
Each electric discharge is surveyed two the capacity check signal input/output terminals holding unit and is connected the two ends of a battery module and two capacity check signal input/output ends of a collection control unit simultaneously,
Two voltage signal input/output terminals of each balance module connect the two ends of a battery module and two voltage signal input/output ends of a collection control unit simultaneously,
N number of collection control unit is all connected with Main Control Tank by communication bus,
The current signal output end of Main Control Tank connects the current signal input of current Hall transducer,
The voltage signal output end of Main Control Tank connects voltage hall sensor voltage signal inputs.
The beneficial effects of the utility model are: be all equipped with one to each block battery module and detect maintenance module, namely comprise back discharge unit, cell activation unit, electric discharge survey appearance unit, balance module and collection control unit,
Under adopting back discharge unit to make battery open circuit situation, ensure that battery pack can regular picture, when battery module is in open-circuit condition, under whole rent battery is in charged state or discharge condition, all can maintain the charging and discharging state of whole Battery pack by this battery of auto by pass, cell activation unit, for monitoring the internal resistance of each battery module, when detecting that the internal resistance of cell increases, carries out activation to storage battery, accomplishes to pinpoint the problems in advance, thus deals with problems, adopt electric discharge to survey appearance unit not need to carry out deep discharge to each battery module, do not need manually to carry out any patching operations, detect battery capacity and only need a few minutes, adopt balance module for monitoring the voltage of each battery module, when the voltage of battery module is greater than desired value, battery module is discharged, to make voltage stabilization, thus improve the service condition of battery, extend the life-span of battery, finally by collection control unit to the voltage signal of each balance module, the internal resistance detection signal of each cell activation unit and each electric discharge are surveyed the capacity check signal holding unit and are gathered, pass to Main Control Tank by communication bus to realize controlling, Main Control Tank adopts intelligent power equipment standard, by the modeling to each block cell batteries monitoring modular, the IED node that modeling is formed is supplied to the up-stream systems such as Intelligent Substation System, for transformer station's unified operation.Main Control Tank passes to server by ethernet signal, and carry out safeguarding at the heart to each battery according to the order that server is assigned, adopt the charging and discharging currents situation of the whole batteries of current Hall transducer Real-Time Monitoring, voltage hall sensor is adopted to monitor the voltage of whole batteries, avoid the accumulated error caused by means of only a storage battery bulk voltage in read group total group, because the requirement arranged the equalizing voltage of every block storage battery is more accurate, so need the equalization target value calculating every block storage battery, computational methods are, under charging operating mode, gather batteries actual voltage value, this magnitude of voltage is divided by storage battery number in battery pack, add the voltage difference allowing upwards to float.This system adopts balance module to be embodied as each cell and carries out man-to-man Voltage Cortrol, guarantee that in batteries, every battery terminal voltage is consistent, avoid overcharging and charge less, the exception that may occur for cell batteries and fault, active process, before the faults such as generation batteries disabler, prevent in advance, reduce loss.
Accompanying drawing explanation
Fig. 1 is the principle schematic of the online balanced monitoring system of a kind of batteries described in embodiment one.
Embodiment
Embodiment one: illustrate present embodiment with reference to Fig. 1, the online balanced monitoring system of a kind of batteries described in present embodiment, it comprises N number of battery module 1, N number of back discharge unit 2, N number of cell activation unit 3, N number of electric discharge survey appearance unit 4, N number of balance module 5, N number of collection control unit 6, Main Control Tank 7 and current Hall transducer 8, N is positive integer
N number of battery module 1 is connected, and two open circuit signaling input/output terminals of each back discharge unit 2 connect the two ends of a battery module 1 and two open circuit signaling input/output ends of a collection control unit 6 simultaneously,
Two internal resistance detection signal input/output terminals of each cell activation unit 3 connect the two ends of a battery module 1 and two internal resistance detection signal input/output ends of a collection control unit 6 simultaneously,
Each electric discharge is surveyed two the capacity check signal input/output terminals holding unit 4 and is connected the two ends of a battery module 1 and two capacity check signal input/output ends of a collection control unit 6 simultaneously,
Two voltage signal input/output terminals of each balance module 5 connect the two ends of a battery module 1 and two voltage signal input/output ends of a collection control unit 6 simultaneously,
N number of collection control unit 6 is all connected with Main Control Tank 7 by communication bus,
The current signal output end of Main Control Tank 7 connects the current signal input of current Hall transducer 8.
In present embodiment, voltage hall sensor, for monitoring whole accumulator battery voltage, avoids the accumulated error caused by means of only a storage battery bulk voltage in read group total group,
Because the requirement arranged the equalizing voltage of every block storage battery is more accurate, so need the equalization target value calculating every block storage battery, computational methods are, under charging operating mode, gather batteries actual voltage value, this magnitude of voltage, divided by storage battery number in battery pack, adds the voltage difference allowing upwards to float.
As whole group storage battery, charging voltage 235V, totally 108 fast storage batterys in group, then real time charging equalization target value is, 235/108+0.05=2.22V, and wherein 0.05 is allow upwards floating voltage value, is obtained by inquiry empirical value table.
The major function of this system and feature:
1, storage battery on-line checkingi
The content of storage battery on-line checkingi comprises that battery voltage detects in real time, battery pack current detects in real time, monomer battery voltage detection, internal resistance of single cell detection, cell capacity detection, intelligent object temperature monitoring, ambient temperature monitor.Often can save accumulator internal resistance by on-line checkingi, judge that storage battery is good and bad; Prediction battery capacity and life-span.On-line real time monitoring Dan body electricity pond electricity Ya ﹑ total voltage, electricity Liu ﹑ ambient temperature; Regularly automatically can measure internal resistance, measuring process is without the need to manual intervention.
2, storage battery is protected online
The content that storage battery is protected online comprises the backup of cell electronics, bus loss of pressure protection.
Digital protection balance module is that every cell carries out electronics backup one to one, and increase close to when opening a way when accumulator internal resistance is abnormal, module automatically by trouble accumulator bypass, can avoid DC bus decompression.The by-pass current of each protection module allows 100A to continue one hour, and 200A continues not damage for one minute.5 batteries are allowed at most successively to open a way or open a way simultaneously and do not affect battery power discharge in interchange power failure discharge process.
3, storage battery is balanced online
The online balanced content of storage battery comprises cell pressure-limiting function, with Battery pack automatically equalizing voltage function.Digital protection balance module is that every cell carries out voltage-regulation one to one, guarantees that in batteries, every battery terminal voltage is consistent, avoids overcharging and charge less.
4, accumulator on-line maintenance
The online balanced content of storage battery comprises that cell activates online, the cell property checked electric discharge online, program controlled automatic activation, battery discharging circulation numeration.
Cell activates online and refers to that long-range or local control cell batteries activates (can programming cell batteries automatic sequence activation) in order online, in activation process, any moment batteries keeps the ability to work of more than 99.4%, and any moment exchanges to have a power failure and also can not make DC bus decompression.
The cell online property checked electric discharge refers to the property the checked electric discharge online in order of long-range or local control cell batteries, and in discharge process, any moment batteries keeps the ability to work of more than 99.4%, and any moment exchanges to have a power failure and also can not make DC bus decompression.
5, storage battery is fault-tolerant online
The fault-tolerant online content of storage battery refer to allow new used batteries mixed, allow different manufacturers battery to use with.
Embodiment two: present embodiment is described further the online balanced monitoring system of a kind of batteries described in embodiment one, and in present embodiment, N number of collection control unit 6 is connected by RS458 or CAN with Main Control Tank 7.
Embodiment three: present embodiment is described further the online balanced monitoring system of a kind of batteries described in embodiment one, in present embodiment, N number of balance module 5 all adopt model be PJH-2 balance module realize.
Embodiment four: present embodiment is described further the online balanced monitoring system of a kind of batteries described in embodiment one, and in present embodiment, the number of battery module is 108.
Claims (4)
1. the online balanced monitoring system of batteries, it is characterized in that, it comprises N number of battery module (1), N number of back discharge unit (2), N number of cell activation unit (3), N number of electric discharge survey appearance unit (4), N number of balance module (5), N number of collection control unit (6), Main Control Tank (7), current Hall transducer (8) and voltage hall sensor (9), N is positive integer
N number of battery module (1) is connected, two open circuit signaling input/output terminals of each back discharge unit (2) connect the two ends of a battery module (1) and two open circuit signaling input/output ends of collection control unit (6) simultaneously
Two internal resistance detection signal input/output terminals of each cell activation unit (3) connect the two ends of a battery module (1) and two internal resistance detection signal input/output ends of collection control unit (6) simultaneously,
Each electric discharge is surveyed two the capacity check signal input/output terminals holding unit (4) and is connected the two ends of a battery module (1) and two capacity check signal input/output ends of collection control unit (6) simultaneously,
Two voltage signal input/output terminals of each balance module (5) connect the two ends of a battery module (1) and two voltage signal input/output ends of collection control unit (6) simultaneously,
N number of collection control unit (6) is all connected with Main Control Tank (7) by communication bus,
The current signal output end of Main Control Tank (7) connects the current signal input of current Hall transducer (8),
The voltage signal output end of Main Control Tank (7) connects voltage hall sensor (9) voltage signal inputs.
2. the online balanced monitoring system of a kind of batteries according to claim 1, is characterized in that, N number of collection control unit (6) is connected by RS458 or CAN with Main Control Tank (7).
3. the online balanced monitoring system of a kind of batteries according to claim 1, is characterized in that, N number of balance module (5) all adopt model be PJH-2 balance module realize.
4. the online balanced monitoring system of a kind of batteries according to claim 1, is characterized in that, the number of battery module is 108.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520896189.7U CN205070555U (en) | 2015-11-11 | 2015-11-11 | Online balanced monitoring system of storage battery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520896189.7U CN205070555U (en) | 2015-11-11 | 2015-11-11 | Online balanced monitoring system of storage battery |
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| CN205070555U true CN205070555U (en) | 2016-03-02 |
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| CN201520896189.7U Expired - Fee Related CN205070555U (en) | 2015-11-11 | 2015-11-11 | Online balanced monitoring system of storage battery |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107276154A (en) * | 2017-06-19 | 2017-10-20 | 广东电网有限责任公司惠州供电局 | Adaptive single battery balancer |
| CN107884722A (en) * | 2017-11-29 | 2018-04-06 | 福州福光电子有限公司 | A kind of distribution on line formula batteries monitoring device |
-
2015
- 2015-11-11 CN CN201520896189.7U patent/CN205070555U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107276154A (en) * | 2017-06-19 | 2017-10-20 | 广东电网有限责任公司惠州供电局 | Adaptive single battery balancer |
| CN107276154B (en) * | 2017-06-19 | 2023-04-28 | 广东电网有限责任公司惠州供电局 | Self-adaptive storage battery monomer equalization device |
| CN107884722A (en) * | 2017-11-29 | 2018-04-06 | 福州福光电子有限公司 | A kind of distribution on line formula batteries monitoring device |
| CN107884722B (en) * | 2017-11-29 | 2024-05-28 | 福州福光电子有限公司 | Online distributed storage battery monitoring equipment |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20191111 |