CN1243651A - Multipoint control system - Google Patents
Multipoint control system Download PDFInfo
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- CN1243651A CN1243651A CN98801756A CN98801756A CN1243651A CN 1243651 A CN1243651 A CN 1243651A CN 98801756 A CN98801756 A CN 98801756A CN 98801756 A CN98801756 A CN 98801756A CN 1243651 A CN1243651 A CN 1243651A
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- local controller
- remote controllers
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- support
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/46—Combinations of several jacks with means for interrelating lifting or lowering movements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
- H04Q9/14—Calling by using pulses
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5404—Methods of transmitting or receiving signals via power distribution lines
- H04B2203/5408—Methods of transmitting or receiving signals via power distribution lines using protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5429—Applications for powerline communications
- H04B2203/5445—Local network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5429—Applications for powerline communications
- H04B2203/5458—Monitor sensor; Alarm systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5462—Systems for power line communications
- H04B2203/5466—Systems for power line communications using three phases conductors
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5462—Systems for power line communications
- H04B2203/5483—Systems for power line communications using coupling circuits
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Signal Processing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Selective Calling Equipment (AREA)
- Small-Scale Networks (AREA)
Abstract
The invention relates to a multipoint control system such as may be used for controlling lifting jacks for lifting whole railway cars at a time. Particular features of the present invention are that a remote controller (24) is provided in a hand-held remote control unit. Local controllers (21) are provided associated with jacks (25). Each local controller (21) is an intelligent controller and has a plug and socket arrangement to which the remote controller (24) may be attached. In such a way, the remote controller (24) may be plugged in at any part of the network to control and synchronise operations of all of the jacks (25). A further distinctive feature of the system is that it is fail safe so that if communication between any of the elements should break down or if any element malfunctions, the system will automatically bring itself to a halt.
Description
The present invention is a kind of multipoint control system.Especially but not exclusive, the present invention be a kind of can control can the whole railway car of disposable lifting the system of hoisting frame.
When needs keep in repair train or railway car bottom part, just need raise up train or railway car, so that check.Usually, lifting is carried out between special-purpose vehicle, needs four supports, and each angle could raise up railway car with one.Sixty-four dollar question is the necessary synchronization liftings of all supports when promoting or land operation, if one of them support is too fast with respect to other support rates of climb, then the compartment will disequilibrium also may cause disaster.In early days in the system of Zhi Zaoing, each support all must arrange a special operative employee to carry out descending operation, and such descending operation itself is also very complicated because each operative employee all must shout when promoting/land and heave amplitude being told other operative employees.
In recent years, the researcher has developed automated system, in such system, and can be by each support of central controller controls that is arranged in the remote cabinet and utilizes trailing cable to link to each other with each bracket component.But, want to implement such cover system, particularly when needs carried out descending operation to some compartments simultaneously, the cable of necessity that slave controller even goes out just became very expensive and gets in the way, and went between because must all connect a cover power supply and control on each support.In some application scenario, must promote 12 railway cars simultaneously, even more railway car, in this case, output connection is just expensive especially and be in the way.In addition, numerous support like this is carried out simultaneous operation just become difficult more, and further constitute potential safety hazard.
The purpose of the present invention's embodiment is to provide a kind of multipoint control system with simple output connection.
Another problem of the system of manufacturing before this is when breaking down, system controller is difficult to find out and solve fault sometimes, as confirm that fault may be that a support can not be made corresponding motion after receiving the instruction that promotes or land, have only after fault is by correct the eliminating, the miscellaneous part of system could operate as normal.
According to primary aspect of the present invention, the multipoint control system that can provide a cover to form by remote controllers and several local controllers, each local controller all is connected to a sharing system bus, remote controllers then can send broadcasting instructions to the above-mentioned local controller of selected group, and from above-mentioned local controller receiving status information.
In a preferred embodiment, remote controllers communicate by a serial data link and local controller.
Preferable, when communicating by letter between remote controllers and some local controller broken down, system can stop in emergency.
Preferable, subsystem of each local controller control.
Preferable, local controller can send selected data to master controller and other chosen local controllers.
Preferable, when any one local controller within a certain period of time can not be when system bus receives instruction or data, this local controller just can stop in emergency.
Preferable, each local controller can be made response to remote controllers after receiving broadcast singal.
Preferable, if any one local controller can not be made response to remote controllers in the given time, then remote controllers just can stop in emergency.
Preferable, the signal that transmits on system bus is made up of binary signal, and occurs with pulse condition when bus is in state of activation.
Preferable, each local controller can both be through self adaptation and from the system bus received pulse, if any one local controller can not receive such pulse signal, then this local controller should be able to disconnect electrical connection from system by its parts of controlling with at least one, till the normal received pulse signal of this local controller energy.
Parts can be subsystems.
Preferable, if any specific local controller from the system bus received signal, then this local controller should be able to produce a continuous switching signal internally.
Preferable, each local controller all comprises a capacitor network, switching signal can make an output of capacitor network keep given voltage, if can not switch signal, then the output of this capacitor network should decay.Preferable, local controller relies on its switching signal that power supply is provided, and if specific local controller does not produce signal, then the subsystem controlled of this local controller is with auto power off.
Preferable, each local controller all is equipped with output equipment, and if from the voltage attenuation of capacitor network below specified level, then this output equipment just should stop in emergency.Output equipment can comprise a relay, and capacitor network can provide driving voltage.
Preferable, each local controller all is equipped with an input that can be connected with remote controllers, and like this, remote controllers just can be connected to any local controller in the system.
Preferable, remote controllers can dispose with local mode, under this pattern, can only communicate with the specific local controller that directly links to each other, can dispose with remote mode again, under this pattern, each chosen local controller can both communicate with these remote controllers.
Preferable, system bus is made up of the two wire link of " twisted wire pair " type configuration.Can adopt and transformer coupled single local controller and master controller are connected to system bus.
In addition, also can provide an optical fiber link.
Preferable, state information must comprise the necessary information of subsystem synchronous operation of local controller.
In a preferred embodiment, subsystem comprises support and guarantees the necessary information of synchronous operation, comprising the elevation information about the certain height that support reached that links to each other with each local controller.
Preferable, each local controller is all controlled a specific support, and each local controller can both be broadcasted elevation information.
The elevation information that local controller is broadcasted out preferably can be received by each selected local controller, but also can be to carrying out this locality comparison between the elevation information that receives and the local elevation information.
Preferable, if the difference of the elevation information that receives and local elevation information greater than the quantity of being scheduled to, the local controller that then compares just should send an information to remote controllers.
Remote controllers also can be configured to and can the elevation information that receive from local controller be compared, and carry out the synchronization operation
In a preferred embodiment, multipoint control system can be designed to control lifting by support.Preferable, system can promote one or more compartment of train.Preferable, in such cover system, each local controller all is exclusively used in a support, and requires one group of 4 support when promoting each compartment.
According to a second aspect of the invention, can provide a cover can control the system of a plurality of subsystems, wherein above-mentioned a plurality of subsystems are divided into some groups, and each subsystem in any particular group all must be carried out identical task in same substantially time and predictive error limit, system also is designed to especially and can guarantees, if any subsystem in above-mentioned any selected group surpasses the above-mentioned limit of error, then must be able to stop in emergency.
According to a third aspect of the present invention, can provide a cover can control the system of a plurality of subsystems, wherein above-mentioned a plurality of subsystems are divided into some groups, and system also is designed to comprise remote controllers especially, and above-mentioned each subsystem all comprises a local controller, and remote controllers can send instruction by each local controller in selected group, if above-mentioned any local controller can not be made response, then must be able to stop in emergency.
According to a fourth aspect of the present invention, can provide a cover can control the system of a plurality of subsystems, wherein above-mentioned a plurality of subsystems are divided into some groups, and system also is designed to comprise remote controllers especially, and above-mentioned each subsystem all comprises a local controller, and local controller and the shared shared serial data link of master controller.
Preferable, remote controllers can be connected to serial data link by these remote controllers being inserted above-mentioned any sub-work station.
According to a fifth aspect of the present invention, can provide a cover can control the system of many pack supports, any selected pack support all must or reduce an object according to user-defined quantity lifting, the characteristics of system are that each support all is equipped with an energy and receives the local controller of instruction from remote controllers, and are connected by a serial data link between remote controllers and each local controller.
Of the present invention second to the 5th aspect can combine with any function of first aspect.
In order to set forth function of the present invention better and to explain the implementation process of preferred embodiment, can be referring to following schematic diagram:
Fig. 1 represents conventional many bracket control systems;
Fig. 2 represents to meet the summary of system of the present invention's preferred embodiment;
Fig. 3 is the schematic diagram of the panel of the employed remote controllers of system shown in Figure 2;
Fig. 4 is the floor mounted case schematic diagram of system shown in Figure 2; With
Fig. 5 is the local control panel schematic diagram of the support of system shown in Figure 2.
As shown in Figure 1, this is one to be enclosed within the conventional many bracket control systems that all are equipped with a local control panel 1 on each support.Each local control panel 1 all is connected to system by one the 18 flexible trailing cable 2 of core is inserted floor mounted connector node case 3.Ground coupling box 3 is connected to main junction box 4 by independent current source and multicore signal cable 7 are installed down regularly.Under the situation of as shown in the figure 12 mounting systems, just must install total length be about 1,500 meter with 36 independent underground cables that comprise 216 independent cable cores.Main junction box 4 generally is installed in an end of system, and is connected to system by underground cable, and is equipped with the employed a plurality of multiple connectors of Long-distance Control panel trailing cable that are used for distribution box 4 is connected to Long-distance Control panel (not shown).The cable core number of trailing cable should be 70 at least.
The work of mating formation of underground cable is the major part of this control system cost.The position of main control panel must be limited to a position, for example can be installed in the middle part of train, also can install at one end sometimes.For the information that the operative employee provides more limited.For example, if supress the emergency stop push button of one of support 5 by handing emergency stop (apparatus) 6 (only shown among the figure, in fact all supports 5 all are equipped with), then the operative employee does not just know it is which support.The operative employee must walking 150 meters all buttons are checked.
Fig. 2 is the schematic diagram of system that meets the present invention's preferred embodiment.In system shown in Figure 2,, thereby constitute a plurality of subsystems for support 25 provides local controller 21.Each local controller 21 all is equipped with the electronic intelligence function, and all controllers all couple together by the serial multidrop network.The Long-distance Control panel of the main junction box 4 of system shown in Figure 1 is replaced by a hand-held remote control 24, this remote control 24 is intelligent controllers that a cover can insert any local controller 21 by the link 27 of pegging graft, and an operative employee is controlled whole system or selected support from any suitable place.
Still use trailing cable 22 that the local controller 21 of each support 25 is connected to floor mounted case 23.But the cable distribution installment work is alleviated greatly.The multicore signal cable that desired just cable core number greatly reduces (in the schematic diagram 11) and one 4 core feed cable.The underground cable work of mating formation is also alleviated greatly, only need be adjacent to down a paired cable link between the distribution box now, and this pair cable link is one 4 core feed cable and one 2 core system signal bus.Each local controller 21 and remote controllers 24 are connected to the system signal bus by transformer coupled, and the twin cable of signal bus is " twisted wire pair " configuration, has good reduction noise function.It is possible that system bus is reduced to the two-wire connection, because the intelligent functions of signal structure that it transmits and local controller 21 can make each local controller receive and interpretive order from remote controllers 24, and can provide the serial information feedback to remote controllers 24.
Because what entirely descend that cable system has only that 4 power supply cable cores and system bus adopt is that twisted wire pair connects (two interchangeable connections of cable core of twisted wire pair), so can carry out colour code to all cable cores, and the requirement that system in the past shown in Figure 1 is numbered cable and terminal so just can be searched the wiring trouble in the system more simply also not in necessity.
Because all being the signal by the twisted wire pair type, each support is connected to central control ring.So each support all has the address of oneself, and this address setting is in floor mounted case 23.System adopts 2 support addresses and address, 4 compartment.An even parity position also is provided in addition.
Fig. 4 represents to adopt the basic layout of the floor mounted case of system bus, wherein system bus comprises the local control network network bus LON bus 40 that control line 41 and 42 (promptly above-mentioned " twisted wire pair ") that the input by printed circuit board (PCB) 44 provides for ground tank 23 constitutes, and the output of printed circuit board (PCB) 44 then provides identical connection 41 and 42.Also providing in addition by power bus 45 provides the three phase mains of earth point to connect.Address choice is to be undertaken by the DIP type of switch on the printed circuit board (PCB) 44, and preceding 4 DIP switch 46 that provided are used to be provided with the address, compartment, and second 3 DIP switch 47 that is provided are used to be provided with support address and parity check bit.Ground tank 23 connects 48C and is connected to local controller with the trailing cable 22 that an address is connected 48D by comprising one 4 core local power supply bus 48A, 2 a core LON BUSIN 48B connection, a two-wire LON BUS OUT.Preferably make system bus LON BUS 40 comprise a continuous loop, and the connection of the system bus shown in the figure is exactly to be used for each local controller is connected to the connection of this ring.In other words, necessary clear and definite such condition, promptly specific local controller of cancellation should not be in the ring and stays " breach " from system.
As mentioned above, hand-held remote control 24 can be plugged into any one local controller 21.Controller 24 can send information to selected any pack support by twin-core system bus cable, thereby can control one and even all supports simultaneously.Should select which support to depend on the address that controller sends, the back will be introduced in detail actually.
An important feature of the present invention be exactly transmit on the system bus, can on the circuit 41 and 42 that is connected to all supports as mentioned above with multipoint system, produce the pulse broadcast information signal by the 1 and 0 any serial information that constitutes.Can support operate as normal depend on normally receiving information signal.If one or more support can not regularly receive such pulse signal from system bus, then show the information that to receive.A safety feature of native system is exactly, and support that can not the detection system bus activity can be opened and withdraw from from system break automatically by the opening power relay.In addition, controller 24 can be write down the support that does not have response, and takes corresponding action, stops as making whole system as required.
Fig. 5 shows the internal structure of the local controller 21 of support 25.Each local controller all can receive local power supply bus 48A by the trailing cable 22 from floor mounted node case 23, LON input bus 48B, LON output bus 48C are connected the signal output that 48D sends with the address.
The button button also is housed on local control printed circuit board, can provides hand hoisting/landing function by connecting 54, and lamp test is provided, provide display lamp, connecting the socket that the hand-held remote control 24 of pegging graft can be provided on 56 by connecting 55.
Fig. 3 represents the front panel of hand-held remote control 24.Front panel comprises rolling on the menu and rolls button 32, enter key 33, siren mute button 34 and lifting/ landing button 35 and 36 under button 31 and the menu.It also comprises and is used to represent to shut down, local and remote operation three road key switchs 37.For example, can adopt local operation to make controller be plugged into any one support, and set the elemental height of this support.The remote operation function is used for selecting as required and controlling one or more groups support.The lifting in compartment and reduction all relate to the activation of one group of 4 support in every joint compartment, so in operating process, must guarantee that each support in any pack support can both move with other bracket coordinations in this group.
A key plate 38 also is provided in addition, can have keyed in instruction by this key plate and can select groups of holders to promote the railway car that one or more need promote effectively.But also have display screen 39 display menu items and state information in addition.Display screen 39 generally is that 4 lines are taken advantage of 16 character liquid crystal display screens.Displayable menu function comprises 12 functions, promptly operate, select compartment, fault, stop in emergency, be with carry, carriage, connection, obstacle, overload, nut wearing and tearing, upper and lower bound.
The corresponding following function of above-mentioned menu label: operation
The expression system is promoting or reducing support, and is working properly.Select the compartment
This menu function can make the operative employee select the compartment by using key plate 38, and shows chosen compartment.As mentioned above, all corresponding one group of 4 support of each compartment C1 to C12 all need 4 supports because promote or reduce each compartment, and every group of all necessary coordinated movement of various economic factors of 4 supports, so, only need be when specifying any one group of 4 support by next button.Fault
If select this function, then internal memory will show any fault that has been registered.Stop in emergency
If any one in the emergency stop push button 26 (as shown in Figure 2) is pressed, what then this menu function will be represented enforcement is any stopping in emergency.Though Fig. 2 has only shown a hand-held emergency stop (apparatus), be preferably all supports and all be equipped with emergency stop (apparatus).Band carries
The expression support has been positioned at the following state of hoist point, and support will be promoted to the height in one jiao in lucky support compartment.Carriage
This menu function represents to promote one group of compartment, and the compartment case supports is on analog bracket.When the compartment casing supported by this way, remote controllers just can obtain notice, may reuse support then one or more casing is settled out from the compartment.Connect
Which local controller of this functional representation has been connected to system by remote controllers 24 identifications and has communicated with system.Obstacle
Whether certain support of this functional representation runs into barrier at its brake-shoe place in the reduction process.Overload
This menu function is represented any support of transshipping.The nut wearing and tearing
This menu function is represented nut any support of changing of experience wear and needs.Each support all is equipped with " nut wearing and tearing " transducer.The upper limit
This menu function represents to promote the upper limit that support sets.Lower limit
This menu function represents to reduce the lower limit of support.
Be presented in now between remote controllers and each local controller 21 by the method for LON bus 40 with " long-range " mode transfer information and function command.
Network information agreement can be guaranteed the fail safe operated in design, and can carry out fault secure to operation.For guaranteeing safety operation, must in the process that promotes and land, guarantee the synchronous variation of support height.Fault secure
The fault secure function realizes by fixing master/slave information protocol.Master control set is exactly remote controllers, and each support all is a slave unit.Each slave unit all has a determined unique address of the node case by its grafting, as shown in Figure 4.For guaranteeing normally carrying out of fail-safe operation, must repeat following information sequence.
At first, the remote controllers 24 that insert any support 25 by plug and socket device 27 send information by LON BUS (bus) to all supports.This information comprises a systemic-function command unit and a support " state request " unit.Each support of reception information is all abideed by instruction and is sent to remote controllers and to reply.This information comprises that one is described the state of this support and the unit of measuring height.
When receive all reply after or surpass the scheduled time after, remote controllers just send next information.If any one support is not made at least one information in the given time and being replied, then the next instruction that master controller sent stops in emergency exactly.If as replying, then next broadcasting instructions will be to stop in emergency to any one support with the state of stopping in emergency.If the difference in height between any two supports is greater than predetermined value, the broadcasting instructions that then sends also stops in emergency.
Each support that receives information all will move in accordance with instruction, and reply to state of remote controllers transmission.Any one support that does not receive information from remote controllers in the given time all will be carried out voluntarily as mentioned above and stop in emergency.
Under aforesaid way, if remote controllers detect any abnormal conditions, perhaps do not receive the information that receive in the given time, then remote controllers will trigger and stop in emergency, if and any one should not receive this information from the support that remote controllers receive broadcast message, then this support will be carried out voluntarily and stop in emergency.In this case, just think that system is fully reliable and safe.
Can detect broadcast message to the contributive special inventive point feature of fail safe mechanism of the operation local controller 21 that is exactly all operate as normal among the present invention, and these local controllers can be triggered and provide the inside switching signal as the power supply of safety relay from remote controllers 24 (master control set).Local controller 21 whenever detects the bus state of activation one time, will switch once to the output of safety relay.If detect bus message in the given time, then safety relay will cut out and keep closed condition.Safety relay can be equipped with the hardware configuration based on capacitor network, like this, if normal switching signal is not provided, then network voltage will be decayed, and relay will trip and on local level with physics mode powered-down (promptly carry out stop in emergency).Synchronously
Guarantee that all supports keep correct synchronous regime, just must adopt arrangement for adjusting height.Can local mode respond to the height of each support by corresponding transducer input in the array 57, and to 40 outputs of LON bus.Each local controller 21 is all monitored LON BUS 40, so just can be on local level continuously the elevation information of the height of the support that is compared local controller and the support by LON BUS 40 transmission be compared.If local controller is found difference in height between its support and any other support 25 greater than predeterminated level, then it will send an information to remote controllers.
If one of local controller 21 sends the warning that difference in height exceeds standard to remote controllers 24, then carry out simultaneous operation again according to following steps.
At first, remote controllers send a broadcast message to all supports.This information comprises that functional unit " stops after meeting the requirements of height ", and above-mentioned " state request " unit.
Like this, how many height that each support that receives this information all can calculation requirement should be, abides by instruction and carries out action, and send one to remote controllers and reply.Response message comprises a unit of describing " state " and " measuring height " of this support.Any support that does not receive information from remote controllers in the given time will be carried out " stopping in emergency " voluntarily.
Then, remote controllers send a broadcast message to all supports.
(i) if all supports all do not stop on the height that requires, then: information just comprises that function is single
Unit " stopping after meeting the requirements of height ", and above-mentioned " state request unit ".
If (ii) all supports have all stopped at the height that requires, then resend the normal information content.
If (iii) any one support is not made at least one broadcast message in the given time and being answered
Answer, then instruction will be " stopping in emergency ".
If replying that (iv) any one support is done is the state of stopping in emergency, then broadcasting instructions will be
" stop in emergency ".
If (difference in height between v) any two supports is greater than predetermined value, and then broadcasting instructions will be " tight
The anxious parking ".
Under aforesaid way, if remote controllers and all supports operate as normal all, then support will promote or land according to step-length.The step sizes that requires and how reaching in the local internal memory that this step-length is stored in each local controller printed circuit board (PCB) 52, this information constitutes the master data of " requiring highly " with current elevation information.Though promote and landing is carried out according to step-length, because system works speed is very fast, so in fact under the situation of correct work, in fact it be operated in uninterrupted state.
Every people that said system is had abundant understanding and a speciality can recognize that this system is with respect to the advantage of system in the past.
At first, the underground cable work of mating formation is alleviated greatly, and the two cable links of only need mating formation between the junction box under being adjacent to get final product, and wherein a cable is 4 core feed cables, and another is the twisted wire pair systems control bus.
Installation work is simplified greatly, because whole system has only 6 different cable cores, therefore can carry out color mark to all cable cores, and need not be numbered cable and terminal.
The trailing cable size of support is also reduced greatly, and remote controllers need not trailing cable, replaces less data cable.
The operative employee can control whole train or each compartment from any backing positions, and operative employee can hand remote controllers and askes and look into each support.
The key plate of remote controllers and display screen can be the operative employee complete information about the state of all supports are provided.
Whole system adopts the same moved further of automation support, can possess perfect fault secure.
As long as power supply capacity allows, system just can expand very simply.Can in system, connect more support, and the remote controllers existence of the newly-increased support of perception automatically.
Though introduced native system and can be used for mounting system for top, above-mentioned General Principle also may be used on other field, for example each local controller can be controlled a special subsystem, as the hoistable platform system.
The reader can consult that this uses relevant paper and file simultaneously or before this with the present invention, and technology of the present invention can be for public's examination, and also enclosed all relevant papers and file of this paper supplies reader's reference.
The institute of all features disclosed in this invention (comprising any relevant claim, summary and accompanying drawing) and/or disclosed any method or process all can be combined in any way in steps, as long as some feature and/or step can contain mutually at least.
All features disclosed in this invention (comprising any relevant claim, summary and accompanying drawing) all can replace the feature with identical or similar purpose, unless point out separately.Like this, unless point out separately, each feature disclosed in this invention is all as the general example of introducing.
The present invention is not limited to the concrete introduction of the foregoing description.The present invention can further upgrade, and perhaps new in addition to feature disclosed in this invention combination (comprising any relevant claim, summary and accompanying drawing) also can be upgraded or newly makes up any method disclosed in this invention or process.
Claims (36)
1. multipoint control system, include remote controllers and a plurality of local controller, each local controller all is connected to a sharing system bus, the controller broadcasting instructions that remote controllers are can be in above-mentioned local controller chosen, and from above-mentioned local controller receiving status information.
2. the described a kind of system of claim 1 wherein, if the communication between remote controllers and chosen local controller is broken down, then carries out and stops in emergency.
3. claim 1 or 2 described a kind of systems, wherein remote controllers and local controller communicate by serial data link.
4. the described a kind of system of above-mentioned any claim, wherein each local controller all can be controlled a subsystem.
5. the described a kind of system of above-mentioned any claim, wherein local controller can be given master controller and other chosen local controllers with selected transfer of data.
6. the described a kind of system of above-mentioned any claim, if wherein any local controller does not receive instruction or data from system bus in the given time, then this local controller is just carried out and is stopped in emergency.
7. the described a kind of system of above-mentioned any claim, wherein each local controller that receives broadcast singal all responds to remote controllers.
8. the described a kind of system of claim 7, if wherein any one chosen local controller can not respond to remote controllers in the given time, then remote controllers will be carried out and stop in emergency.
9. aforesaid right requires 5 to 8 described a kind of systems, and the signal that wherein transmits on system bus is made of binary signal, and can be expressed as pulse when bus is in state of activation.
10. the described a kind of system of claim 9, wherein each local controller can both be from the system bus received pulse, if and any one local controller can not receive such pulse signal, then this local controller will be automatically from system electricity disconnect at least one parts of its control, till can normal again received pulse signal.
11. the described a kind of system of claim 10, wherein parts are subsystem.
12. claim 9,10 or 11 described a kind of systems, if wherein any specific local controller can correctly receive the signal from system bus, then this local controller will produce a continuous switching signal internally.
13. the described a kind of system of claim 12, wherein each local controller all comprises a capacitor network, and switching signal can help an output of capacitor network to keep given voltage, and if do not produce switching signal, then the output of this capacitor network will decay.
14. claim 12 or 13 described a kind of systems, wherein local controller relies on its switching signal that power supply is provided, if and certain given local controller can not produce switching signal, then the subsystem controlled of this local controller will disconnect from power supply automatically.
15. claim 12,13 or 14 described a kind of systems, wherein each local controller all is equipped with a kind of output device, if from the voltage attenuation of capacitor network below specified level, then this output device will be started working and carry out and be stopped in emergency.
16. the described a kind of system of claim 15, wherein output device comprises a relay, and capacitor network can provide driving voltage.
17. the described a kind of system of above-mentioned any claim, wherein each local controller all is equipped with an input that can be connected to remote controllers, and remote controllers can be connected to intrasystem any local controller.
18. the described a kind of system of claim 17, wherein remote controllers both can be configured to local mode, also can be configured to remote mode, remote controllers can only communicate with the specific local controller that directly links to each other with it under local mode, and remote controllers can communicate with each chosen local controller under remote mode.
19. the described a kind of system of above-mentioned any claim, wherein system bus comprises the paired cable of employing " twisted wire pair " type configuration.
20. the described a kind of system of claim 19, wherein system's employing is transformer coupled is connected to system bus to each local controller and remote controllers.
21. arbitrary described a kind of system in claim 3 or the claim 4 to 18, wherein system provides additional optical fiber link.
22. the described a kind of system of above-mentioned any claim, wherein state information comprises the simultaneous operation information necessary of the subsystem of local controller.
23. the described a kind of system of claim 22, wherein subsystem comprises support and simultaneous operation information necessary, and this information comprises the elevation information about the assigned altitute that support reached relevant with each local controller.
24. the described a kind of system of claim 23, wherein each local controller is only controlled a specific support, and each local controller can be broadcasted elevation information.
25. the described a kind of system of claim 24, wherein each local controller elevation information of broadcasting can both be received by other selected local controllers, and the elevation information of broadcasting and local elevation information is carried out this locality compare.
26. the described a kind of system of claim 25, if the difference of the elevation information of the broadcasting that wherein receives and local elevation information greater than predetermined quantity, the local controller that then carries out above-mentioned comparison will send an information to remote controllers.
27. the described a kind of system of claim 23, wherein each local controller is only controlled a specific support, and remote controllers can compare the elevation information from each local controller.
28. the described a kind of system of above-mentioned any claim, wherein multipoint control system can be controlled lifting process by support.
29. the described a kind of system of claim 28, wherein system can promote a joint or a more piece compartment of train.
30. the described a kind of system of claim 29, wherein each local controller is only controlled a specific support, needs one group of 4 support and promote every joint compartment.
31. the multipoint control system that can control a plurality of subsystems, wherein above-mentioned a plurality of subsystems can be divided into several groups, and the subsystem in any given group must be carried out identical task in same time almost and the predetermined limit of error, it is characterized in that: if any subsystem in above-mentioned any selected group exceeds the above-mentioned limit of error, then system will carry out and stop in emergency.
32. the multipoint control system that can control a plurality of subsystems, wherein above-mentioned a plurality of subsystems can be divided into several groups, it is characterized in that: system comprises remote controllers, above-mentioned each subsystem all comprises a local controller, remote controllers send instruction to each local controller of chosen group, if above-mentioned any local controller can not be made response to this, then system will carry out and stop in emergency.
33. the multipoint control system that can control a plurality of subsystems, wherein above-mentioned a plurality of subsystems can be divided into several groups, it is characterized in that: system comprises remote controllers, above-mentioned each subsystem includes a local controller, and local controller and master controller are shared same shared serial data link.
34. the described a kind of system of claim 33, wherein remote controllers can be connected to serial data link into above-mentioned any subsystem by remote controllers are pegged graft.
35. the multipoint control system that can control a plurality of groups of holders, wherein an object to be promoted or reduces the support that user-defined quantity just must be used particular combinations, it is characterized in that: each support all is equipped with an energy and receives the local controller that instructs from remote controllers, and remote controllers are connected by serial data link with each local controller.
36. aforesaid a kind of multipoint control system is extremely shown in Figure 6 as Fig. 2.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9700401.4 | 1997-01-10 | ||
| GB9700401A GB2310519B (en) | 1997-01-10 | 1997-01-10 | Multipoint control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1243651A true CN1243651A (en) | 2000-02-02 |
Family
ID=10805761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98801756A Pending CN1243651A (en) | 1997-01-10 | 1998-01-09 | Multipoint control system |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0951795A1 (en) |
| CN (1) | CN1243651A (en) |
| AU (1) | AU5565698A (en) |
| CA (1) | CA2278493A1 (en) |
| CZ (1) | CZ281499A3 (en) |
| GB (1) | GB2310519B (en) |
| RU (1) | RU99117532A (en) |
| WO (1) | WO1998031183A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102947213A (en) * | 2010-04-13 | 2013-02-27 | 优罗佳玛股份公司 | Device and method of monitoring apparatuses for lifting vehicles |
| CN109607420A (en) * | 2018-12-26 | 2019-04-12 | 苏州艾沃意特汽车设备有限公司 | Lifting mechanism networking and lifting mechanism synchronous method |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2310519B (en) * | 1997-01-10 | 1998-01-28 | Mechan Limited | Multipoint control system |
| US6634461B1 (en) | 2002-06-10 | 2003-10-21 | Gray Automotive Products, Inc. | Coordinated lift system |
| NL1021448C2 (en) * | 2002-09-13 | 2004-03-16 | Stertil Bv | System with lifting columns. |
| US7219770B2 (en) | 2003-08-01 | 2007-05-22 | Baker William J | Coordinated lift system with user selectable RF channels |
| WO2007042284A1 (en) * | 2005-10-11 | 2007-04-19 | Walter Finkbeiner Gmbh | Method and device for monitoring a lifting system |
| EP1927572A1 (en) * | 2006-11-30 | 2008-06-04 | Gotthold Mönch | Lifting device for furniture |
| NL1034999C2 (en) | 2008-02-05 | 2009-08-06 | Stertil Bv | System with location for lifting columns and method thereof. |
| CA2714779C (en) | 2008-03-20 | 2014-10-21 | Rotary Lift, A Division Of Dover Industrial Products, Inc. | Lift control interface |
| CN103086137A (en) * | 2011-11-02 | 2013-05-08 | 上海宝信软件股份有限公司 | Belt conveyor control module |
| WO2013068605A1 (en) * | 2011-11-10 | 2013-05-16 | Enerpac Spain, S.L. | Method for handling trains during maintenance tasks and facility for implementing same |
| US9352944B2 (en) | 2012-03-19 | 2016-05-31 | Gray Manufacturing Company, Inc. | Control and communication system for a wireless vehicle lift system |
| NL2011132C2 (en) * | 2013-07-10 | 2015-01-13 | Stertil Bv | Lifting system for lifting a vehicle and method for operating the lifting system. |
| WO2015026246A2 (en) * | 2013-08-21 | 2015-02-26 | Bison Group Limited | Container lift and/or weighing system |
| CN107215804B (en) * | 2017-07-12 | 2018-11-27 | 杭州圣基建筑特种工程有限公司 | A kind of multiple spot single-acting jack synchro-lift system and control method |
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| GB1414221A (en) * | 1973-02-20 | 1975-11-19 | Coal Industry Patnets Ltd | Logic control circuit |
| US4135181A (en) * | 1976-01-30 | 1979-01-16 | General Electric Company | Automatic remote meter reading and control system |
| JPS5952992A (en) * | 1982-09-20 | 1984-03-27 | Matsushita Electric Works Ltd | Multiplex transmission control system |
| FR2672751B1 (en) * | 1991-02-08 | 1993-05-14 | Somfy | INSTALLATION COMPRISING A PLURALITY OF ELECTRIC RECEIVERS LIKELY TO BE CONTROLLED BY LOCAL CONTROLS AND GROUP CONTROLS. |
| GB2265037B (en) * | 1992-03-14 | 1995-05-10 | Motorised Air Products Limited | Control system for fire dampers |
| GB9225872D0 (en) * | 1992-12-11 | 1993-02-03 | Caldicott Colin D | Below-ground vehicle assembly |
| GB9312043D0 (en) * | 1993-06-11 | 1993-07-28 | Masterton Iain | Central heating control system |
| GB9401571D0 (en) * | 1994-01-27 | 1994-03-23 | Peter Johnson | Portable hotel or restaurant remote display system |
| GB2310519B (en) * | 1997-01-10 | 1998-01-28 | Mechan Limited | Multipoint control system |
-
1997
- 1997-01-10 GB GB9700401A patent/GB2310519B/en not_active Expired - Lifetime
-
1998
- 1998-01-09 CA CA002278493A patent/CA2278493A1/en not_active Withdrawn
- 1998-01-09 AU AU55656/98A patent/AU5565698A/en not_active Abandoned
- 1998-01-09 CN CN98801756A patent/CN1243651A/en active Pending
- 1998-01-09 EP EP98900554A patent/EP0951795A1/en not_active Withdrawn
- 1998-01-09 WO PCT/GB1998/000002 patent/WO1998031183A1/en not_active Application Discontinuation
- 1998-01-09 RU RU99117532/09A patent/RU99117532A/en not_active Application Discontinuation
- 1998-01-09 CZ CZ992814A patent/CZ281499A3/en unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102947213A (en) * | 2010-04-13 | 2013-02-27 | 优罗佳玛股份公司 | Device and method of monitoring apparatuses for lifting vehicles |
| CN109607420A (en) * | 2018-12-26 | 2019-04-12 | 苏州艾沃意特汽车设备有限公司 | Lifting mechanism networking and lifting mechanism synchronous method |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2310519A (en) | 1997-08-27 |
| EP0951795A1 (en) | 1999-10-27 |
| AU5565698A (en) | 1998-08-03 |
| RU99117532A (en) | 2001-09-27 |
| WO1998031183A1 (en) | 1998-07-16 |
| CA2278493A1 (en) | 1998-07-16 |
| CZ281499A3 (en) | 1999-12-15 |
| GB9700401D0 (en) | 1997-02-26 |
| GB2310519B (en) | 1998-01-28 |
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