CN102025187A - Integrated UPS (Uninterrupted Power Supply) parallel system of underground weak current - Google Patents

Integrated UPS (Uninterrupted Power Supply) parallel system of underground weak current Download PDF

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Publication number
CN102025187A
CN102025187A CN 201010604522 CN201010604522A CN102025187A CN 102025187 A CN102025187 A CN 102025187A CN 201010604522 CN201010604522 CN 201010604522 CN 201010604522 A CN201010604522 A CN 201010604522A CN 102025187 A CN102025187 A CN 102025187A
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China
Prior art keywords
ups
parallel
monitoring
power supply
battery
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Pending
Application number
CN 201010604522
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Chinese (zh)
Inventor
吴国钦
张胜华
强泰山
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SHENZHEN HUATONG ELECTRIC EQUIPMENT CO Ltd
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SHENZHEN HUATONG ELECTRIC EQUIPMENT CO Ltd
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Priority to CN 201010604522 priority Critical patent/CN102025187A/en
Publication of CN102025187A publication Critical patent/CN102025187A/en
Pending legal-status Critical Current

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Abstract

The invention relates to an integrated UPS (Uninterrupted Power Supply) parallel system of an underground weak current, which consists of a dual power supply switching box, UPS hosts, an intelligent distribution panel and a battery module, wherein the dual power supply switching box leads the power supply of a substation in the UPS hosts; the UPS hosts charge the battery module; the intelligent distribution panel starts the UPS hosts to operate for monitoring the whole system; and the battery module supplies power to a system load; and the output end of the dual power supply switching box is electrically connected with the two UPS hosts, and the two UPS hosts operate under the uniform monitoring of the intelligent distribution panel. During the operation, the two UPS hosts can respectively distribute half battery capacities, and when one of the UPS hosts breaks down, all battery packs can supply the power to the other UPS system which is in normal use, so that the UPS system of the underground weak current can operate continuously.

Description

Subway weak current comprehensive UPS parallel system
Technical field
The invention belongs to the power supply unit technical field, specifically relate to a kind of subway weak current comprehensive UPS parallel system.
Background technology
Along with expanding economy, informatization is also constantly quickened, and the especially construction of urban track traffic progressively covers the city main region.At subway station weak electricity system UPS power supply, capacity is increasing, and system is intelligence more and more.The subway weak electricity system is applied in places such as the station, rolling stock section, parking lot, control centre of subway, comprises parts such as communication, signal, comprehensively monitoring (power monitoring PSCADA, environment and monitoring of tools BAS, automatic fire alarm FAS, gate inhibition ACS), AFC system AFC, passenger information system PIS, shield door, electric substation's dc operation, emergency lighting.
At present, subway weak current comprehensive ups system generally adopts the centrally connected power supply system of unit, in case the UPS main frame breaks down, can not give the power supply of subway Circuits System, will cause subway normally not move, even paralysis, has a strong impact on communications and transportation.
Summary of the invention
In order to solve the problem that prior art exists, the invention provides high, the in parallel subway weak current comprehensive ups system of a kind of reliability.
In order to realize above purpose, technical scheme of the present invention is as follows: be made up of dual power supply switching box, UPS main frame, intelligent power distribution screen and battery module; Wherein, dual power supply switching box draws the power supply that meets electric substation and gives the UPS main frame; The UPS main frame is given charging battery module; The intelligent power distribution screen starts the UPS host work, the monitoring whole system; Battery module is powered to system load.The output of described dual power supply switching box is electrically connected two UPS main frames, and the unification of two UPS main frames is by intelligent power distribution screen monitoring work.
Further, described battery module also comprises the battery a-b box.
Described battery module comprises by two Battery pack modules and being formed in parallel that when a Battery pack module was opened a way, another Battery pack module still can operate as normal.
Described intelligent power distribution screen is provided with by-pass switch, when PLC cyclelog or the tripping operation of load contactor, manually realizes power supply.
Described battery module is made up of cell switch case and storage battery.
Ups system also comprises the power supply centralized monitor module that is used to monitor with the diagnostic system operating state, and described power supply centralized monitoring system comprises communication network, monitoring host computer, monitoring host computer and monitoring unit.
Described power supply centralized monitor module is by communication network, and monitoring host computer, monitoring software and monitoring unit are formed; Monitoring host computer, the main control centre of monitoring; Monitoring software, the main operational factor and the state of monitoring UPS main frame and intelligent power distribution screen; Monitoring unit shields the output of RS485 interface by self built-in SIC card with intelligent power distribution and is converted to TCP/IP output, and crosses remittance line product HUB with the SIC cartoon of UPS and the tandem of two-way TCP/IP signal is become a netting twine export communication network to.
Described monitoring unit mainly comprises UPS unit, secondary battery unit, intelligent power distribution screen.
Described two UPS main frames are parallel on the parallel operation plate, by software the UPS main frame are provided with corresponding parameter and realize communication mutually in parallel.
Compared with prior art, owing to adopted weak current comprehensive ups system in parallel, during work, two UPS respectively distribute the battery capacity of half, and when UPS fault wherein, all batteries group can be another normal ups system power supply of using.
Description of drawings
Fig. 1 is the circuit block diagram of UPS parallel system of the present invention.
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Embodiment
The present invention is made up of dual power supply switching box, UPS main frame, intelligent power distribution screen, battery module and power supply centralized monitor module, and dual power supply switching box draws the power supply that meets electric substation and gives the UPS main frame; The UPS main frame is given charging battery module; The intelligent power distribution screen starts the UPS host work, the monitoring whole system; Battery module is powered to system load; The power supply centralized monitoring system is used for monitoring and diagnostic system operating state.The output of described dual power supply switching box is electrically connected two UPS main frames, and two UPS main frames are parallel on the parallel operation plate, by software the UPS main frame is provided with corresponding parameter and realizes communication mutually in parallel.The unification of two UPS main frames is by intelligent power distribution screen monitoring work.Battery module also comprises the battery a-b box.Battery module comprises by two Battery pack modules and being formed in parallel that when a Battery pack module was opened a way, another Battery pack module still can operate as normal.The intelligent power distribution screen is provided with by-pass switch, when PLC cyclelog or the tripping operation of load contactor, manually realizes power supply.Battery module is made up of cell switch case and storage battery.Described power supply centralized monitoring system comprises communication network, monitoring host computer, monitoring host computer and monitoring unit.Power supply centralized monitor module is by communication network, and monitoring host computer, monitoring software and monitoring unit are formed; Monitoring host computer, the main control centre of monitoring; Monitoring software, the main operational factor and the state of monitoring UPS main frame and intelligent power distribution screen; Monitoring unit shields the output of RS485 interface by self built-in SIC card with intelligent power distribution and is converted to TCP/IP output, and crosses remittance line product HUB with the SIC cartoon of UPS and the tandem of two-way TCP/IP signal is become a netting twine export communication network to.Monitoring unit mainly comprises UPS unit, secondary battery unit, intelligent power distribution screen.
Operation principle of the present invention is as follows: consider that the weak current comprehensive ups power is required to be all weak electricity system power supplies, for improving the reliability of system, system UPS concentrates station and control centre to adopt the two-shipper parallel system at signalling arrangement, and all the other websites can adopt one-of-a-kind system.
When adopting UPS two-shipper parallel way, when operate as normal, two UPS load-sharings, when a UPS fault, another UPS bears whole system loads, and 2 UPS of native system backup each other, and should be switching in 0 second; Battery pack is by a cover configuration, and two UPS respectively distribute the capacity of a half-cell, when a UPS fault, and the ups power power supply that all batteries group can be used for another is normal.
I take charge of and adopt 2 UPS to form the direct parallel operation redundant system of 1+1.The parallel operation system adopts digital real-time vector control technology, regulates and intelligent flexibly control realization by shared signal cable in parallel, real-time load sharing.Precision load all is subjected to the protection of maximum reliability and availability under various operational modes and condition.
The parallel operation scheme:
Direct parallel operation mode.By parallel operation communication board and parallel operation order wire (standard configuration at random), two UPS carry out the necessary data communication of parallel operation, make inverter output voltage amplitude, the frequency of two UPS identical, phase place unanimity, thereby the output unanimity of assurance ups system.Because adopted the advanced digital real-time parallel operation regulation and control communication technology, the circulation during parallel operation between two UPS of assurance is less than 1A, the unbalanced degree of load is less than 2%.
Set-up mode:
The parallel operation line of two UPS is connected on the parallel operation plate, by both having finished parallel operation after the relevant parallel operation parameter of software setting.
UPS parallel operation system characteristics:
1) software and hardware of parallel UPS and single cpu mode are in full accord, and the configuration of parallel operation system can be provided with software by parameter and realize.
2) parallel operation control cable forms closed loop and connects, for system provides reliability and redundancy.The double-bus control cable is connected between any two UPS units of two buses.Intelligence parallel operation logic provides maximum flexibility for the user.For example, can close or start each unit in the parallel operation system in any order.Can realize the seamless switching between inversion powering mode and the bypass mode, and can recover automatically; After promptly overload was eliminated, system can return to original operational mode automatically.
3) can be by the total load amount of each unit LCD inquiry parallel operation system.
4) background monitoring software option can be monitored respectively each unit, also whole parallel operation system can be considered as an one-of-a-kind system and monitor.
Adopt the advantage of 1+1 parallel operation:
The direct parallel operation system of 1+1 embodies as follows in advantages such as fail safe, reliability, economy:
1. the reliability height of electric power system
Adopting the scheme of 1+1 parallel operation is the highest scheme of reliability in the UPS parallel operation electric power system, and its MTBF value is 5.5 times of unit.
2. electric power system is anti-" output overloading " ability strong
From the angle of application technology, the user should select the most reliable " 1+1 " type redundancy electric power supply system as best one can for use, and the power output " surplus " of " 1+1 " parallel operation system is 200% bearing power.
3. circulation problem
1+1 parallel operation circulation is very little, all in control range; Built-in in addition maintenance bypass, maintenance can forward the maintenance bypass to, and the maintenance of unit or dilatation all can not exert an influence to load.
4. the cost of later maintenance contrast
The price of modular UPS is than the price height of the parallel UPS system of equal capacity configuration.The cost of modular UPS later maintenance is very expensive, and one goes wrong can only change whole module.And parallel operation UPS can accomplish the maintenance of device level, only the problem gadget is changed, and effectively reduces the use cost in user's later stage.
5. load-bearing problem
Because the battery of modular UPS often is built in the frame, so the load-bearing on floor is required than higher, load-bearing requires to improve constantly when follow-up increase module, causes the floor to change again and adapts to new high load-bearing requirement, brings investment to increase to the user.And the battery of 1+1 parallel operation system and UPS are separately independent the placements, load-bearing is not had obvious requirement, and the fail safe that both separately lay are much higher.
6. application problem
Modular UPS does not still have the scale utilization in high-end user occasions such as subway, telecommunications, finance at present, and the Performance And Reliability of its product itself does not obtain the long-term test and the approval in market.And the reliability of the direct parallel operation of UPS and scheme are very ripe, all are extensive use of and obtain user's height approval in every profession and trade, various places, almost without any technical risk.
The present invention considers that the weak current comprehensive ups power is required to be all weak electricity system power supplies, for improving the reliability of system, system UPS concentrates station and control centre to adopt the two-shipper parallel connection at signalling arrangement, aims at weak electricity systems such as communication, signal, automation integrated (comprising automatic fire alarm FAS, electromechanical equipment supervisory control system BAS, gate control system), AFC back-up source is provided.

Claims (9)

1. a subway weak current comprehensive UPS parallel system is characterized in that: be made up of dual power supply switching box, UPS main frame, intelligent power distribution screen and battery module;
Wherein, dual power supply switching box draws the power supply that meets electric substation and gives the UPS main frame;
The UPS main frame is given charging battery module;
The intelligent power distribution screen starts the UPS host work, the monitoring whole system;
Battery module is powered to system load;
The output of described dual power supply switching box is electrically connected two UPS main frames, and the unification of two UPS main frames is by intelligent power distribution screen monitoring work.
2. UPS parallel system according to claim 1 is characterized in that described battery module also comprises the battery a-b box.
3. UPS parallel system according to claim 2 is characterized in that, described battery module comprises by two Battery pack modules and being formed in parallel that when a Battery pack module was opened a way, another Battery pack module still can operate as normal.
4. UPS parallel system according to claim 1 is characterized in that, described intelligent power distribution screen is provided with by-pass switch, when PLC cyclelog or the tripping operation of load contactor, manually realizes power supply.
5. UPS parallel system according to claim 1 is characterized in that described battery module is made up of cell switch case and storage battery.
6. UPS parallel system according to claim 1, it is characterized in that, ups system also comprises the power supply centralized monitor module that is used to monitor with the diagnostic system operating state, and described power supply centralized monitoring system comprises communication network, monitoring host computer, monitoring host computer and monitoring unit.
7. UPS parallel system according to claim 1 is characterized in that, described power supply centralized monitor module is by communication network, and monitoring host computer, monitoring software and monitoring unit are formed;
Monitoring host computer, the main control centre of monitoring;
Monitoring software, the main operational factor and the state of monitoring UPS main frame and intelligent power distribution screen;
Monitoring unit shields the output of RS485 interface by self built-in SIC card with intelligent power distribution and is converted to TCP/IP output, and crosses remittance line product HUB with the SIC cartoon of UPS and the tandem of two-way TCP/IP signal is become a netting twine export communication network to.
8. UPS parallel system according to claim 7 is characterized in that, described monitoring unit mainly comprises UPS unit, secondary battery unit, intelligent power distribution screen.
9. UPS parallel system according to claim 1 is characterized in that, described two UPS main frames are parallel on the parallel operation plate, by software the UPS main frame is provided with corresponding parameter and realizes communication mutually in parallel.
CN 201010604522 2010-12-24 2010-12-24 Integrated UPS (Uninterrupted Power Supply) parallel system of underground weak current Pending CN102025187A (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103840543A (en) * 2012-11-27 2014-06-04 中国移动通信集团广西有限公司 Power supply method and device for UPS backup battery packs
CN103887872A (en) * 2012-12-21 2014-06-25 中国移动通信集团广东有限公司 UPS device
CN103972978A (en) * 2014-05-07 2014-08-06 厦门科华恒盛股份有限公司 Uninterruptible power supply and battery sharing system and control method thereof
CN104319767A (en) * 2014-10-30 2015-01-28 中国二十二冶集团有限公司 Independent intelligent building weak current power supply system
CN104362733A (en) * 2014-11-05 2015-02-18 江苏省电力设计院 Prefabricated uninterruptible power supply system
CN104393664A (en) * 2014-10-31 2015-03-04 国家电网公司 Electric power communication machine room uninterrupted AC power supply system
CN104810916A (en) * 2014-01-24 2015-07-29 上海华林工业气体有限公司 UPS wiring circuit used in HYCO factory
CN106300626A (en) * 2015-05-18 2017-01-04 刘粤荣 The double power-supply system of a kind of UPS, UPS equipment and control method thereof
CN106300457A (en) * 2015-05-18 2017-01-04 南京金塔新能源科技有限公司 Times origin system, UPS equipment and the control method thereof of a kind of UPS
CN106557144A (en) * 2015-09-30 2017-04-05 光宝电子(广州)有限公司 Direct current healthcare facilities
CN109038811A (en) * 2018-07-11 2018-12-18 佛山市众盈电子有限公司 A kind of online high-frequency high-power UPS high efficiency conversion system

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103840543B (en) * 2012-11-27 2016-08-10 中国移动通信集团广西有限公司 The method of supplying power to of uninterrupted power supply redundant system UPS backup battery group and device
CN103840543A (en) * 2012-11-27 2014-06-04 中国移动通信集团广西有限公司 Power supply method and device for UPS backup battery packs
CN103887872B (en) * 2012-12-21 2016-12-28 中国移动通信集团广东有限公司 UPS device
CN103887872A (en) * 2012-12-21 2014-06-25 中国移动通信集团广东有限公司 UPS device
CN104810916A (en) * 2014-01-24 2015-07-29 上海华林工业气体有限公司 UPS wiring circuit used in HYCO factory
CN103972978A (en) * 2014-05-07 2014-08-06 厦门科华恒盛股份有限公司 Uninterruptible power supply and battery sharing system and control method thereof
CN104319767A (en) * 2014-10-30 2015-01-28 中国二十二冶集团有限公司 Independent intelligent building weak current power supply system
CN104393664A (en) * 2014-10-31 2015-03-04 国家电网公司 Electric power communication machine room uninterrupted AC power supply system
CN104362733A (en) * 2014-11-05 2015-02-18 江苏省电力设计院 Prefabricated uninterruptible power supply system
CN104362733B (en) * 2014-11-05 2017-08-08 中国能源建设集团江苏省电力设计院有限公司 A kind of prefabricated uninterruptible power system
CN106300626A (en) * 2015-05-18 2017-01-04 刘粤荣 The double power-supply system of a kind of UPS, UPS equipment and control method thereof
CN106300457A (en) * 2015-05-18 2017-01-04 南京金塔新能源科技有限公司 Times origin system, UPS equipment and the control method thereof of a kind of UPS
CN106557144A (en) * 2015-09-30 2017-04-05 光宝电子(广州)有限公司 Direct current healthcare facilities
CN109038811A (en) * 2018-07-11 2018-12-18 佛山市众盈电子有限公司 A kind of online high-frequency high-power UPS high efficiency conversion system

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