CN206790096U - One kind is based on cell distribution maintenance free intelligent d. c power-supply system - Google Patents
One kind is based on cell distribution maintenance free intelligent d. c power-supply system Download PDFInfo
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- CN206790096U CN206790096U CN201621267104.XU CN201621267104U CN206790096U CN 206790096 U CN206790096 U CN 206790096U CN 201621267104 U CN201621267104 U CN 201621267104U CN 206790096 U CN206790096 U CN 206790096U
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- 238000012423 maintenance Methods 0.000 title claims abstract description 70
- 230000004913 activation Effects 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 10
- 239000000178 monomer Substances 0.000 claims description 26
- 238000001514 detection method Methods 0.000 claims description 11
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 6
- 238000012546 transfer Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 4
- 238000002474 experimental method Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 abstract description 19
- 238000005516 engineering process Methods 0.000 abstract description 9
- 230000008859 change Effects 0.000 abstract description 5
- 238000007689 inspection Methods 0.000 abstract description 4
- 230000000737 periodic effect Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000007667 floating Methods 0.000 description 7
- 230000007774 longterm Effects 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 238000012795 verification Methods 0.000 description 4
- 208000032953 Device battery issue Diseases 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000003916 acid precipitation Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000019635 sulfation Effects 0.000 description 2
- 238000005670 sulfation reaction Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000001483 mobilizing effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses one kind to be based on cell distribution maintenance free intelligent d. c power-supply system, including at least one set of battery, and the distributed maintenance module being connected with battery, distributed maintenance module is connected with intelligence control system, and intelligence control system is connected by bridging module and UPS straight-flow systems online with battery respectively；The utility model utilizes newest Power Electronic Technique and embedded technology, develops distributed intelligence charging, electric discharge, monitoring integrated module.Judge behindhand battery, bridge out dead battery online, hold in line core.With expansible distributed module, unified backstage, Traditional DC screen+battery inspection+artificial periodic maintenance pattern is substituted.Change traditional regular to storage battery checking capacity, electric discharge charge maintenance pattern, there is provided it is a kind of to cell distributed on line monitoring, online equalized maintenance, online activation, hold, online across the Implementation Technology for falling dead battery, the intelligent DC power-supply system of Monitoring Data remote transmission in line core.
Description
【Technical field】
The utility model belongs to storage batteries of transformer substation on-line monitoring area of maintenance, is related to a kind of distributed based on cell
Maintenance free intelligent d. c power-supply system.
【Background technology】
In power industry, to ensure power system security and normal operation, a large amount of relay protection systems, various are mounted with
Automated system, communication system and various information management systems etc., and the reliability of these systems is carried with the development of power network
Higher requirement is gone out.To ensure uninterruptible power system (straight-flow system or exchange system that these systems can normally play a role
System) also have become the focus of people's concern and research.And the energy core for forming DC power system is battery.Normal fortune
In the case of row, battery is intended only as floating charge stand-by state and charger parallel running, and when exchanging dead electricity, battery is rapidly not
The electrical equipment for straight-flow system of interruption provides reliable direct current, is protection device, automation equipment, thing in transformer station
Therefore the equipment such as illumination provides power.Thus it is guaranteed that the stable performance of battery is most important to stablizing for transformer station direct current system,
It is the power source for the heart normal operation for ensureing transformer station.But battery after use after a while, it may appear that capacity
Decrease up to and failure phenomenon occur.
Performance monitoring of the transformer station to battery at present judges dead battery by manual record, regular visit.Safeguard
Be manually periodic detection verification capacity, carry out charge and discharge maintenance, it is necessary to have a power failure, it is necessary to which battery is cumbersome connects to every section every time
Line, detection, record.Rewiring again is removed after detection and detects another section battery.Such detection program causes workload big,
The accumulator checking verification of the manpower minimum of one teams and groups, a transformer station that put into every time needs to waste the two or three days.Therefore
Utility model is a kind of to be carried out status monitoring, the verification of online capacity to battery, bridges entirely ineffective battery online, be online online
The needs that non-maintaining intelligent DC power-supply system is intelligent substation are activated to behindhand battery.
Problems and deficiency be present in the operation and maintenance of the batteries in traditional DC power system：
(1) parameter differences further increase between batteries longtime running can make every section battery；
(2) can only be charged by charging cabinet is unified to whole battery pack；Due to the capacity between battery, the presence of internal resistance difference,
Whole group is easy to charge to cause each monomer voltage unbalanced, and in the case of long-term floating charge, the long-term charge less of some batteries slowly vulcanizes, and has
A little batteries overcharge and dehydration for a long time.
(3) new used batteries can not share, and battery parameter wants whole group to change battery when seriously inconsistent, this is not only wasted greatly,
Environmental issue can also be caused；
(4) single battery failure can cause whole group battery failure；
(5) cruising inspection system need to separately be matched somebody with somebody to improve system reliability；
(6) maintainability activation discharge etc. need to periodically be carried out.Periodically labor intensive, material resources and time are safeguarded in activation.It is domestic because
Safeguard that power-fail occurs not in time causes the case of major accident all to occur every year.
【Utility model content】
The shortcomings that the purpose of this utility model is to overcome above-mentioned prior art, there is provided one kind is distributed based on cell
Maintenance free intelligent d. c power-supply system.
To reach above-mentioned purpose, the utility model is achieved using following technical scheme：
One kind is based on cell distribution maintenance free intelligent d. c power-supply system, including at least one set of battery, and
The distributed maintenance module being connected with battery, distributed maintenance module are connected with intelligence control system, intelligence control system point
It is not connected by bridging module and UPS straight-flow systems online with battery；Wherein：
Distributed maintenance module sends data to intelligence control system, when occur in data behindhand battery and judge can not
When being safeguarded, behindhand battery is bridged by bridging module online, carries out replacing processing.
The utility model, which further improves, to be：
The distributed maintenance module includes monomer equalized maintenance module, monomer activation maintenance module and internal resistance detection mould
The instant messages of battery are collected and carry out inter-process by block, distributed maintenance module, judge that the information of battery judges
Its situation is analyzed, monomer equalized maintenance module and monomer activation maintenance module is sent commands to respectively, passes through monomer equalized maintenance
Module and monomer activation maintenance module on-line maintenance are realized and the distributed intelligence of battery are safeguarded.
The distributed maintenance module by RS485 communication transfers mode by all data of battery transmit in real time to
Intelligence control system, intelligence control system are presented data at the scene by way of display screen, and attendant can be stored
The inquiry of battery data, query warning content, pass through internal resistance detection module progress inner walkway.
The intelligence control system is by ether web form by the data transfer of battery to data centralized control center, data set
Control center can monitor, store, analyzing the data of multiple websites simultaneously.
The intelligence control system is connected with UPS straight-flow systems；The control of intelligence control system control UPS straight-flow systems is opened
Close so that UPS straight-flow systems and battery are disconnected, and battery can be carried out electric discharge by load and carry out core appearance experiment.
Access has exchange to scurry into straight-flow system alarm device in the UPS straight-flow systems, when straight-flow system has AC signal
When scurrying into, exchange scurries into straight-flow system alarm device and will appear from alerting, and warning content is sent into intelligence control system, in time
Carry out alarm notification.
Compared with prior art, the utility model has the advantages that：
The utility model conducts a research for above mentioned problem existing for Traditional DC power-supply system, existing digesting and assimilating
On the basis of battery equalisation charging technique, using newest Power Electronic Technique and embedded technology, develop distributed intelligence and fill
Electricity, electric discharge, monitoring integrated module.Judge behindhand battery, bridge out dead battery online, hold in line core.With expansible point
Cloth module, unified backstage, substitute Traditional DC screen+battery inspection+artificial periodic maintenance pattern.Change traditional regular
To storage battery checking capacity, electric discharge charge maintenance pattern, there is provided a kind of to cell distributed on line monitoring, online equilibrium dimension
Shield, online activation, hold in line core, online across falling dead battery, the skill of the intelligent DC power-supply system of Monitoring Data remote transmission
Art implementation method.
The utility model can solve the problem that the problem of single battery failure effect straight-flow system normal power supply in batteries.It is logical
The internal resistance of distributed monitoring cell is crossed, finds behindhand battery, online activation is carried out and safeguards, and replacing failure can be bridged online
Battery, straight-flow system normal power supply is not influenceed.So as to prevent the battery open circuit phenomenon of Traditional DC thrashing battery, peace is excluded
Full hidden danger.Reaching new used batteries can use with, realize battery automatically safeguard and matching, behindhand battery can bridge online replacing,
It need not have a power failure.Battery availability is improved, beneficial to environmental protection.The establishment of distributed on-line monitoring maintenance system, can improve dc source
The stability of system, reliability, maintainability, the needs for being allowed to meet power network development and produce economic and social benefit.
【Brief description of the drawings】
Fig. 1 is system construction drawing；
Fig. 2 is distributed maintenance module schematic diagram.
Wherein, 1- batteries；2- distribution maintenance modules；3- intelligence control systems；4- data centralized control center；5- online across
Connection module；6-UPS straight-flow systems；7- monomer equalized maintenance modules；8- monomers activate maintenance module；9- internal resistance detection modules；
Straight-flow system alarm device is scurried into 10- exchanges.
【Embodiment】
The utility model is described in further detail below in conjunction with the accompanying drawings：
Referring to Fig. 1, the utility model, which is based on cell distribution maintenance free intelligent d. c power-supply system, has one as storage
Can unit at least one set of battery 1 and be connected to distributed safeguard that the distribution of intelligent management safeguards mould with battery 1
Block 2, the corresponding distributed maintenance module 2 of every 12 batteries；Distributed maintenance module 2 includes monomer equalized maintenance module
7th, monomer activation maintenance module 8 and internal resistance detection module 9, described distributed maintenance module 2 adopt the instant messages of battery 1
Collect and carry out inter-process, judge its situation of the information discriminatory analysis of battery 1, send commands to the balanced dimension of monomer respectively
Module 7 and monomer activation maintenance module 8 are protected, the distributed intelligence realized to battery 1 is safeguarded by two module intelligent onlines
Safeguard.
Distributed maintenance module 2 is connected with intelligence control system 3, and sends data to intelligence control system 3, works as data
In there is behindhand battery and judge when can not be safeguarded, behindhand battery can be bridged by bridging module 5 online, be carried out
Replacing is handled.
Distributed maintenance module 2 is connected with intelligence control system 3, and distributed maintenance module 2 passes through RS485 communication transfers
Mode transmits all data of battery 1 to intelligence control system 3, intelligence control system 3 in real time passes through display by data
The mode of screen is presented at the scene, and attendant can carry out the inquiry of the data of battery 1, and can query warning content and by interior
Hinder detection module 9 and carry out inner walkway.
Intelligence control system 3 is by ether web form by the data transfer of battery 1 to data centralized control center 4, data set
Control center 4 can monitor, store, analyzing the data of multiple websites simultaneously.
Intelligence control system 3 is connected with UPS straight-flow systems 6, it is necessary to when carrying out core appearance, and intelligence control system 3 controls UPS
The controlling switch of straight-flow system 6 so that ups power disconnects with battery 1, and battery 1 can carry out electric discharge by load and carry out core
Hold experiment, understand the true capacity of battery 1.
Access has exchange to scurry into straight-flow system alarm device 10 in UPS straight-flow systems 6, when straight-flow system has AC signal to alter
Fashionable, exchange scurries into straight-flow system alarm device 10 and will appear from alerting, and warning content is sent into intelligence control system 3, and
When carry out alarm notification.
The invention also discloses a kind of control based on cell distribution maintenance free intelligent d. c power-supply system
Method, comprise the following steps：
1) collection monitors the voltage parameter of each cell.Using direct-current discharge method to the battery less than setting float charge voltage
(long-term charge less) carries out interim boost charge, and carries out monomer electric discharge to overcharging battery to release overcharging state；Ensure battery
Electric voltage equalization is kept during group floating charge, every batteries is all in optimum activity state all the time.Equalized maintenance is realized, is next step
Inner walkway provides uniformity platform.
2) online internal resistance measurement technical testing internal resistance of single cell is used.It is accurate to judge behindhand battery.
3) line pulse activating technology is used：Positive and negative width is provided under floating charge state to the single battery that performance falls behind automatically
Frequency pulse current is activated online, activates crystallization and the sulfuric acid precipitation of internal storage battery battery lead plate, prevents battery because long-term
Sulfation caused by floating charge.
4) technology is held using behindhand battery discharge and recharge core：Constant-current discharge is carried out to behindhand battery online, three stages charged.
5) using online battery bridging technology：Online bypass is carried out to dead battery using unidirectional diode to exit.
6) electric alarm technology is altered using straight-flow system exchange, comprehensive monitoring is carried out to straight-flow system.
The utility model realizes uninterrupted, the comprehensive monitoring and maintenance of progress online to batteries.Substitute traditional
Direct current cabinet, accumulator checking device, regular artificial detection service mode.I.e. by the running status that monitors battery in real time and its
Every operational factor, battery pack is diagnosed automatically and carries out corresponding on-line maintenance, utilize the long-range remote signalling of real-time performance, distant
Survey, the intelligent accummulator of remote control monitoring maintenance-free system.
(1) major function：
(1.1) on-line real time monitoring and abnormality alarming function：
Monitoring batteries running status in real time, group terminal voltage, charging and discharging currents, monomer voltage, monomer internal resistance, battery are born
Pole temperature, battery pack residual capacity, electric discharge sustainable time.And thresholding can be set and enter line overrun alarm.
(1.2) on-line automatic equalized maintenance function：
Using online monomer charge and discharge power technology, the electric voltage equalization adjustment of cell is realized automatically, makes battery cell voltage
Keep in balance state, effectively prevent Individual cells from vulcanizing or overcharging for a long time dehydration because of long-term charge less, while behindhand battery can be eliminated
The various potential safety hazards brought.
(1.3) cell batteries bridge exit function online：
It it was found that indivedual behindhand batteries in battery pack be present, and can not repair when needing to change, be connected across using bridging treasured
Behindhand battery is bypassed and come out by battery both ends from battery pack loop afterwards, prevents behindhand battery from influenceing other batteries, and can realize
More renew battery online.
(1.4) experiment is held in line core to falling behind cell batteries：
Whole group battery capacity is determined by the minimum battery of capacity in battery pack (behindhand battery).As long as so it can determine that
The cell of worst capacity in battery pack, and monomer capacity test is carried out to it, it just will appreciate that whole group battery capacity.Without from
Line
Behindhand battery is gone out by on-line monitoring system automatic decision, recycles cell core to be installed with standby progress monomer constant current
Electric discharge verification capacity.The equipment has bypass cross-over connection function, and online monomer core can be achieved and hold.
(1.5) cell batteries activate maintenance online：
Battery line pulse mobilizing function is that system is provided the single battery that performance falls behind automatically under floating charge state
Positive negative impulse current is activated online, activate internal storage battery battery lead plate crystallization and sulfuric acid precipitation, prevent battery because
Sulfation caused by long-term floating charge, eliminates the potential safety hazard as caused by inside.
(1.6) direct current on-line monitoring and alarm function are scurried into exchange：
To prevent the AC in the DC from triggering the serious accident of false protection, tripping and plant stand full cut-off to occur, newest electricity
Power professional standard《DL/T 1392-2014 DC power system insulation monitoring and warning device technical conditions》It is required that straight-flow system insulation prison
Survey note and warning function that DC Line Fault is scurried into exchange should be possessed by surveying device, and original Insulation Inspection Device for Direct-Current System should be progressively
Transformation makes it possess survey note and alarm function that DC Line Fault is scurried into exchange.
Above content is only to illustrate technological thought of the present utility model, it is impossible to limits protection model of the present utility model with this
Enclose, it is every according to the utility model proposes technological thought, any change done on the basis of technical scheme, each fall within this reality
Within protection domain with new claims.
Claims (6)
1. one kind is based on cell distribution maintenance free intelligent d. c power-supply system, it is characterised in that is stored including at least one set
Battery (1), and the distributed maintenance module (2) being connected with battery (1), distributed maintenance module (2) and intelligent control system
Uniting, (3) are connected, and intelligence control system (3) respectively by bridging module (5) and UPS straight-flow systems (6) and battery (1) phase online
Even；Wherein：
Distributed maintenance module (2) sends data to intelligence control system (3), when occurring behindhand battery in data and judge nothing
When method is safeguarded, behindhand battery is bridged by bridging module (5) online, carries out replacing processing.
2. according to claim 1 be based on cell distribution maintenance free intelligent d. c power-supply system, it is characterised in that
The distributed maintenance module (2) includes monomer equalized maintenance module (7), monomer activation maintenance module (8) and internal resistance detection mould
The instant messages of battery (1) are collected and carry out inter-process by block (9), distributed maintenance module (2), judge battery
(1) information discriminatory analysis its situation, monomer equalized maintenance module (7) and monomer activation maintenance module are sent commands to respectively
(8) distribution of maintenance module (8) on-line maintenance realization to battery (1), is activated by monomer equalized maintenance module (7) and monomer
Formula intelligent maintenance.
3. according to claim 1 be based on cell distribution maintenance free intelligent d. c power-supply system, it is characterised in that
The distributed maintenance module (2) is transmitted all data of battery (1) to intelligence by RS485 communication transfers mode in real time
Energy control system (3), intelligence control system (3) are presented data at the scene by way of display screen, and attendant can enter
The inquiry of row battery (1) data, query warning content, pass through internal resistance detection module (9) progress inner walkway.
4. according to claim 1 be based on cell distribution maintenance free intelligent d. c power-supply system, it is characterised in that
The intelligence control system (3) is by ether web form by the data transfer of battery (1) to data centralized control center (4), data
Centralized control center (4) can monitor, store, analyzing the data of multiple websites simultaneously.
5. according to claim 1 be based on cell distribution maintenance free intelligent d. c power-supply system, it is characterised in that
The intelligence control system (3) is connected with UPS straight-flow systems (6)；The control of intelligence control system (3) control UPS straight-flow systems (6)
System switch so that UPS straight-flow systems (6) disconnect with battery (1), and battery (1) can carry out electric discharge by load and carry out core
Hold experiment.
6. according to claim 1 be based on cell distribution maintenance free intelligent d. c power-supply system, it is characterised in that
Access has exchange to scurry into straight-flow system alarm device (10) on the UPS straight-flow systems (6), when straight-flow system has AC signal to alter
Fashionable, exchange scurries into straight-flow system alarm device (10) and will appear from alerting, and warning content is sent into intelligence control system
(3) alarm notification, is timely carried out.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621267104.XU CN206790096U (en) | 2016-11-21 | 2016-11-21 | One kind is based on cell distribution maintenance free intelligent d. c power-supply system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621267104.XU CN206790096U (en) | 2016-11-21 | 2016-11-21 | One kind is based on cell distribution maintenance free intelligent d. c power-supply system |
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| Publication Number | Publication Date |
|---|---|
| CN206790096U true CN206790096U (en) | 2017-12-22 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106941255A (en) * | 2016-11-21 | 2017-07-11 | 国家电网公司 | Based on the distributed maintenance free intelligent d. c power-supply system of cell and its control method |
| CN109274182A (en) * | 2018-12-03 | 2019-01-25 | 国网新疆电力有限公司乌鲁木齐供电公司 | The long-range integrated monitoring platform of DC power supply |
| CN113013991A (en) * | 2021-03-26 | 2021-06-22 | 北京国电光宇机电设备有限公司 | Online intelligent management system for storage battery |
-
2016
- 2016-11-21 CN CN201621267104.XU patent/CN206790096U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106941255A (en) * | 2016-11-21 | 2017-07-11 | 国家电网公司 | Based on the distributed maintenance free intelligent d. c power-supply system of cell and its control method |
| CN109274182A (en) * | 2018-12-03 | 2019-01-25 | 国网新疆电力有限公司乌鲁木齐供电公司 | The long-range integrated monitoring platform of DC power supply |
| CN113013991A (en) * | 2021-03-26 | 2021-06-22 | 北京国电光宇机电设备有限公司 | Online intelligent management system for storage battery |
| CN113013991B (en) * | 2021-03-26 | 2023-01-03 | 北京国电光宇机电设备有限公司 | Online intelligent management system for storage battery |
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| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 100031 No. 86 West Chang'an Avenue, Beijing, Xicheng District Patentee after: STATE GRID CORPORATION OF CHINA Country or region after: China Patentee after: TONGCHUAN POWER SUPPLY COMPANY OF STATE GRID SHAANXI ELECTRIC POWER CO. Address before: 100031 No. 86 West Chang'an Avenue, Beijing, Xicheng District Patentee before: State Grid Corporation of China Country or region before: China Patentee before: TONGCHUAN POWER SUPPLY COMPANY OF STATE GRID SHAANXI ELECTRIC POWER CO. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240816 Address after: 100031 No. 86 West Chang'an Avenue, Beijing, Xicheng District Patentee after: STATE GRID CORPORATION OF CHINA Country or region after: China Patentee after: Tongchuan power supply company of State Grid Shaanxi Electric Power Co.,Ltd. Patentee after: National Network (Xi'an) Environmental Protection Technology Center Co.,Ltd. Address before: 100031 No. 86 West Chang'an Avenue, Beijing, Xicheng District Patentee before: STATE GRID CORPORATION OF CHINA Country or region before: China Patentee before: TONGCHUAN POWER SUPPLY COMPANY OF STATE GRID SHAANXI ELECTRIC POWER CO. |