CN202453716U - Movable bridge electric driving system based on redundancy control technology - Google Patents
Movable bridge electric driving system based on redundancy control technology Download PDFInfo
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- CN202453716U CN202453716U CN2012200101615U CN201220010161U CN202453716U CN 202453716 U CN202453716 U CN 202453716U CN 2012200101615 U CN2012200101615 U CN 2012200101615U CN 201220010161 U CN201220010161 U CN 201220010161U CN 202453716 U CN202453716 U CN 202453716U
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- movable bridge
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The utility model relates to a movable bridge electric driving system based on the redundancy control technology and belongs to the field of large movable bridge electric driving. A double-power-supply system composed of an electric supply and an emergency generator is respectively connected with the driving system and a control system through a double-power-supply conversion switch to supply power. A core controller (CPU) of the redundancy control system is composed of a main CPU and a hot standby CPU in hot standby mode and is connected with a synchronous cable and respectively connected with two input/output (I/O) slave stations of the same type to form a redundancy module. The innovation system has the design advantages of being provided with two power supplies with one used and one in standby state, controlling system redundancy and controlling synchronously. The system can automatically switch an emergency power supply to supply power and cannot affect normal work of a movable bridge in the working process of the movable bridge if the electric supply fails suddenly. The redundancy control system is capable of effectively ensuring that the control system is free of non-disturbance switching, safe, reliable and low in fault ratio. Two bridge pieces have higher synchronous opening accuracy, and the synchronous errors can be controlled within 2mm.
Description
Technical field
The utility model belongs to the electric driving of large-scale movable bridge field based on the movable bridge electrical drive system of The technique on redundant control.
Background technology
Movable bridge is the bridge that bridge span structure can rotate or move.Very not busy when land transport, ship's navigation is arranged on the river and fixed bridge can not be built in navigational clearance when above, just need the constructing active bridge.Build the downstream in river in more, near estuary municipal middle water land traffic infall.Movable bridge is a permanent construction, and for guaranteeing the unimpeded of water transportation, movable bridge is to the very high requirement that is designed with of electrical drive system.
Existing movable bridge only comprises a cover electrical drive system, and promptly mains-supplied, single controller wait the on-off action of accomplishing movable bridge.When mains-supplied outage or control element broke down, traditional movable bridge just can't recover operate as normal timely, have influence on vehicle on the bridge floor go and bridge under the navigation of boats and ships.
The utility model content
The purpose of the utility model provides a kind of movable bridge electrical drive system based on The technique on redundant control, through employing CPU hot backup redundancy control technology, and through civil power and emergency generator dual power supply mode, guarantees security of system stable operation.
The purpose of the utility model realizes through following technical scheme:
The design is based on the movable bridge electrical drive system of The technique on redundant control; Comprise dual power supply system, dual-power transfer switch, drive system, redundancy control system and synchro control; The dual power supply system of forming by civil power, emergency generator; Be connected power supply with control system with motor drive mechanism respectively through dual-power transfer switch; Dual-power transfer switch is opened bridge floors and is connected driving with two through motor starting device, oil motor, proportioning valve group, hydraulic jack, the unlatching of the flexible realization biplate unlatching bridge floor through hydraulic jack or close, and normal condition is by mains-supplied; When the civil power burst had a power failure, it was that system provides power supply that dual-power transfer switch is converted to the emergency generator mains side automatically; Redundancy control system comprises CPU hot backup redundancy and on-the-spot I/O slave station redundancy; Core controller CPU is equipped with CPU by hot standby mode by host CPU and heat and forms; Connect through synchronous optical cable, on-the-spot I/O slave station is composed of redundant module by two identical I/O modules of model, and host CPU is equipped with CPU with heat and is connected with two identical I/O slave stations of model respectively through the fieldbus mode; Common composition redundant module is right; One of them module is to breaking down, and controller is promptly implemented comprehensive control, guarantees that control system do not have disturbance and switch.
Above-mentioned synchro control is connected with redundancy control system by the displacement transducer output of hydraulic jack, and displacement signal is fed back to redundancy control system, through the control system data processing, controls two bridge floor synchronous operations again.
The novelty of the utility model electric control system is embodied in redundancy and the synchro control that one of power supply is equipped with a usefulness, control system.In the movable bridge course of work, if the mains failure emergency situations occurs, system can be automatically converted to the Emergency Power power supply, can not influence the operate as normal of movable bridge at all; The CPU hot backup redundancy that control system adopts, the I/O redundant fashion can effectively reduce system failure rate.Two bridge floors of this movable bridge have the higher synchronous precision, and synchronous error can be controlled in the 2mm, and movable bridge has more the aesthetic feeling of appreciation as a kind of Landscape Bridge.The design has also realized the real-time monitoring of movable bridge control; Multiple function such as fault alarm and historical record; Compare movable bridge electrical drive system in the past, perfect in shape and function, safe and reliable, failure rate is low, communication is flexible, real-time is good, easy to maintenance, has the public benefit of significant social.
Description of drawings
Fig. 1 the utility model drives and the control synoptic diagram
Fig. 2 the utility model control system schematic diagram
Specific embodiments
How combine accompanying drawing to further specify the utility model implements at present:
As shown in Figure 1, normal condition is through civil power P1 power supply, and when civil power P1 in the movable bridge operational process cut off the power supply, dual-power transfer switch ATS was converted to emergency generator P2 side, system start-up emergency generator P2.Power supply is that motor starting device G1, G2 and control system provide power supply; After oil motor M1, M2 start; Hydraulic system is proportioning valve group A1, A2 hydraulic oil; The proportioning valve group is regulated aperture through controller and is come the flexible of regulator solution compressing cylinder H1, H2, thereby realizes the unlatching of bridge floor or close operation.
The displacement of hydraulic jack feeds back to controller CPU through displacement transducer Y1, Y2 with displacement signal; Displacement with displacement transducer Y1 is main; Calculate the deviation of Y2 and Y1, carry out PID through CPU and control and regulate offset deviation, thereby it is synchronous to realize that two bridge floors are opened.
The design's control system principle is as shown in Figure 2; There are two CPU elements in the controller main website according to " hot backup redundancy " mode operation, and following two unit of normal condition are in running status simultaneously; The CPU1 main control; CPU2 is from control, after controller powers on, accomplishes synchronizing process automatically through synchronous optical fiber; Synchronously, the part or all of content among the CPU1 is intersected in real time and is loaded among the CPU2, and loading content comprises online programming, strong setting value, attribute and numerical value changes and program execution result etc.If when certain task of execution, fault has appearred in CPU1,, carry out that section task when breaking down again just CPU2 can take over master controller immediately automatically.This moment, the output mapping table data of CPU2 use came from the CPU1 execution result of a last work period.But if before the program that the user will compile the people downloads to controller, switch, then this time editor is invalid, has so just prevented because the master-slave controller fault that the online programming of mistake possibly cause has guaranteed the security of system.Be equipped with in the handoff procedure of system in redundant heat, losing and jumping phenomenon of data can not occur, realized that the no disturbance of system is switched.Controlling center is connected with on-the-spot I/O-1, I/O-2 through bus, and I/O-1, I/O-2 are the identical module of model, comprise that common composition redundant module is right; Its module comprises digital quantity input, digital quantity output, analog quantity input and analog quantity output; In normal course of operation, two modules all are in running status, when a module breaks down; The signal that CPU can relatively input or output; The module that breaks down is carried out passivation, and system still can and send signal through normal module reception, thereby guarantees the normal operation of system.
Claims (2)
1. based on the movable bridge electrical drive system of The technique on redundant control; Comprise dual power supply system, dual-power transfer switch, drive system, redundancy control system and synchro control; It is characterized in that the dual power supply system formed by civil power, emergency generator; Be connected power supply with control system with motor drive mechanism respectively through dual-power transfer switch; Dual-power transfer switch is opened bridge floors and is connected driving with two through motor starting device, oil motor, proportioning valve group, hydraulic jack, the unlatching of the flexible realization biplate unlatching bridge floor through hydraulic jack or close, and normal condition is by mains-supplied; When the civil power burst had a power failure, it was that system provides power supply that dual-power transfer switch is converted to the emergency generator mains side automatically; Redundancy control system comprises CPU hot backup redundancy and on-the-spot I/O slave station redundancy; Core controller CPU is equipped with CPU by hot standby mode by host CPU and heat and forms; Connect through synchronous optical cable, on-the-spot I/O slave station is composed of redundant module by two identical I/O modules of model, and host CPU is equipped with CPU with heat and is connected with two identical I/O slave stations of model respectively through the fieldbus mode; Common composition redundant module is right; One of them module is to breaking down, and controller is promptly implemented comprehensive control, guarantees that control system do not have disturbance and switch.
2. the movable bridge electrical drive system based on The technique on redundant control according to claim 1; It is characterized in that synchro control is connected with redundancy control system by the displacement transducer output of hydraulic jack; Displacement signal is fed back to redundancy control system; Through the control system data processing, control two bridge floor synchronous operations again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200101615U CN202453716U (en) | 2012-01-10 | 2012-01-10 | Movable bridge electric driving system based on redundancy control technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200101615U CN202453716U (en) | 2012-01-10 | 2012-01-10 | Movable bridge electric driving system based on redundancy control technology |
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| Publication Number | Publication Date |
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| CN202453716U true CN202453716U (en) | 2012-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012200101615U Expired - Lifetime CN202453716U (en) | 2012-01-10 | 2012-01-10 | Movable bridge electric driving system based on redundancy control technology |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106877749A (en) * | 2017-03-29 | 2017-06-20 | 北京恒源新动力科技有限公司 | A kind of four electric machine controllers and data checking method for electric automobile |
| CN108333954A (en) * | 2018-03-23 | 2018-07-27 | 宁波梅山岛开发投资有限公司 | A kind of mobile crane span structure electric-control system frame |
| CN111678039A (en) * | 2020-05-09 | 2020-09-18 | 中国船舶重工集团公司第七一六研究所 | Electric control system suitable for automatic butt joint of loading and unloading arms for ship |
-
2012
- 2012-01-10 CN CN2012200101615U patent/CN202453716U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106877749A (en) * | 2017-03-29 | 2017-06-20 | 北京恒源新动力科技有限公司 | A kind of four electric machine controllers and data checking method for electric automobile |
| CN108333954A (en) * | 2018-03-23 | 2018-07-27 | 宁波梅山岛开发投资有限公司 | A kind of mobile crane span structure electric-control system frame |
| CN108333954B (en) * | 2018-03-23 | 2024-01-30 | 宁波梅山岛开发投资有限公司 | Mobile bridge electric control system frame |
| CN111678039A (en) * | 2020-05-09 | 2020-09-18 | 中国船舶重工集团公司第七一六研究所 | Electric control system suitable for automatic butt joint of loading and unloading arms for ship |
| CN111678039B (en) * | 2020-05-09 | 2022-06-28 | 中国船舶重工集团公司第七一六研究所 | Electric control system suitable for automatic butt joint of loading arm and unloading arm for ship |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120926 |