237results about "Point-signal interlocking arrangments" patented technology

A distributed interlocking device, architecture and process are disclosed, and are based on segregating the vital logic for a signal installation by type of signal equipment. A plurality of intelligent signal devices is disclosed, wherein each intelligent signal device is used to control a basic signal unit. In turn, a signal unit includes a set of signal apparatuses that are geographically and logically interrelated. An intelligent signal device receives data related to the states of other signal devices, determines and controls its own operational states, and communicates its own operational states to other devices.

A generic intelligent signal device is also disclosed, and is based on a parameterization approach that incorporates a plurality of vital parameters into the vital logic of the device. The device is then customized to a site specific location by activating the appropriate parameters for that location. In addition, a plurality of new concepts, and signal control functions are provided, and include a vital change management process, and a failure recovery scheme based on dynamic reconfiguration of home and distant control functions.

A system for computing car switching solutions in a railway switch yard. The system is computer based and has an input for receiving data conveying information about one or more arrival trains arriving at the switch yard and data conveying information about departure trains to depart the switch yard. A processing entity processes the data and computes car switching solutions for the railcars.

The invention discloses a full-electronic computer interlocking system based on redundancy of executive modules and belongs to the technical field of computer interlocking. The full-electronic computer interlocking system comprises an interlocking machine level, a communication machine level and an executive module level. As for a host-backup system, two communication machines and the multiple executive modules connected with the communication machines form a communication and execution subsystem. One interlocking system can be provided with the multiple communication and execution subsystems according to the scale of a station. The interlocking machine level and the communication machine level are connected in a crossing redundancy mode, and the two-line executive modules in the communication and execution subsystem are connected in parallel and then connected to outdoor equipment. According to the full-electronic computer interlocking system, the interlocking machine level, the communication machine level and the executive module layer connected below the communication machine level form the redundant relationship of the host-backup system, and the usability of the computer interlocking system is improved.

The invention relates to an overlap triggering method used in an urban rail traffic system based on a destination. The overlap triggering method comprises the following steps of (1) performing system initialization; (2) judging whether a train enters an overlap trigger section or not; (3) judging whether a main access is established or not; (4) judging whether an overlap is established or not; (5) sending an overlap locking request to a train monitoring system ATS through a CI; (6) searching destination information after the ATS receives the request, calculating the overlap locking direction and replying the overlap locking direction to the CI if the destination information exists; (7) judging whether the CI receives the overlap locking information, if so, executing the step (10), and if not, executing the step (8); (8) judging whether preset time t of a timer is up, if so, executing the step (9), and if not, executing the step (5); (9) establishing a default overlap through the CI; and (10) establishing the overlap through the CI according to the destination. Compared with the prior art, the overlap triggering method has the advantages of enabling the train not to wait the overlap unlocking time, effectively improving the operation efficiency and the like.

PCT No. PCT/AT97/00051 Sec. 371 Date Sep. 14, 1998 Sec. 102(e) Date Sep. 14, 1998 PCT Filed Mar. 11, 1997 PCT Pub. No. WO97/33784 PCT Pub. Date Sep. 18, 1997Device for detecting the positions of pivotable parts of a rail switch, such as, e.g., tongue rails (1, 2) by at least one sensor designed as a continuous distance sensor (4,5,6,7), wherein the sensor output is connected to a circuit arrangement (10) for two separate evaluations, the first evaluation being configured as a distance evaluation and the second evaluation being configured as a function control of the sensor, as well as a method for evaluating signals.

The invention discloses a computer interlocking system and a working method thereof, wherein the computer interlocking system comprises an interlocking machine, a communication gateway and a turnout, signal and railway execution unit; the signal execution unit comprises a signal lamp control unit, a protective unit and a signal acquisition unit, wherein the protective unit comprises a logic protection unit and a signal safety relay, the logic protection unit receives first signal state information and second signal state information respectively output by a first signal controller and a second signal controller, and the first signal controller, the second signal controller and the logic protection unit all receive system feedback information acquired by the acquisition unit; the first signal state information, the second signal state information and the system feedback information are logically compared by the logic protection unit through hardware, and a signal lamp abnormal signal for controlling the signal safety relay is output according to a comparison result; and under the condition that the signal lamp abnormal signal is output, the signal safety relay is only controlled by the signal lamp abnormal signal, so that the signal execution unit is led to be safe from faulty.

Disclosed are a computer interlocking system supporting C3 system and an interlocking control method, the computer interlocking system comprising: a man-machine interface module (21), an interlocking logic module (22), an input/output module (23) and a power module (24). The interlocking logic module (22) is respectively connected with the man-machine interface module (21) and the input/output module (23), for generating a control output signal according to the input information of the man-machine interface module (21) and sending the control output signal to the input/output module (23) to make the input/output module (23) control the operation of on-site equipment according to the control output signal; the power module (24) is respectively connected with the man-machine interface module (21), the interlocking logic module (22), and the input/output module (23). The computer interlocking system further comprises: a train control interface module (25), one end whereof is connected with the interlocking logic module (22), and the other end connected with a train control device, for implementing a communication interaction between the interlocking logic module (22) and the train control device. The computer interlocking system supporting C3 system and the interlocking control method realize the functional support of the computer interlocking system and a CTCS-3 train control system.

The invention discloses an urban rail transit trackside operation control system main track and vehicle depot integration method which includes the following steps that the same communication mode between main track interlocking and an area controller is adopted, interlocking of a vehicle depot exchanges data with the area controller which the vehicle depot belongs to through a redundant safety bus; the area control calculates movement authority for running trains in the vehicle depot; a center train automatic monitoring system monitors the running process of all the trains in the vehicle depot. According to the method, the vehicle depot is brought into a main track operation control system for unified management, synergetic integration of vehicle depot interlocking and functions of a main track interlocking system is achieved, precise positioning and running tracking of the trains in the vehicle depot are achieved, and unified management of train numbers in the vehicle depot and the main track is achieved.

A switching assembly includes a pair of hollow ties, a pair of supports, and a linkage. The linkage extends generally through the hollow ties, whereby the cribs are generally free of linkage components, and the ballast in the cribs can be compacted with known automated machinery. The linkage includes a number of lugs and a number of rods, with the rods each being formed from standard bar stock and threaded, and with the linkage configuration avoiding the need to custom bend any of the rods. The hollow ties are formed from generally available standard box section steel, as are the supports. The spacing between the hollow ties can be varied in accordance with the pitch of the other rail ties of the railroad switch. Each hollow tie can include a heater. The switching assembly is highly adjustable, which makes it suitable for use in numerous different track configurations.

The invention discloses a method for automatically controlling the railway route entry, which comprises the following steps: transmitting a shunting service instruction to analyzing equipment and a train terminal; transmitting an instruction to the analyzing control equipment to determine information after receiving the shunting service instruction by the train terminal; searching a higher preference path from a road map database according to the shunting service instruction after receiving the instruction determining information by the analyzing control equipment; and transmitting a control instruction to interlocking control equipment for opening a route entry according to the higher preference path. The invention also discloses a device for realizing the method, which comprises the train terminal, the analyzing control equipment and the interlocking control equipment. By the method and the device, the arrangement of artificial participation of train route entry can be canceled, the automatic arrangement of the higher preference path for route entry can be realized, the traffic capacity of railway can be improved and the labor productivity as well as the automatic level and the safe reliability of the railway can be improved.

An on-board device is loaded in a moving vehicle traveling on a track. The on-board device determines whether or not a traveling route has been secured, based on station related data indicating data related to a branch on the traveling route of the moving vehicle and acquired from a station interface device of a station to which the branch belongs, and different moving vehicle related data indicating data related to a different moving vehicle acquired from the different moving vehicle on the traveling route. The on-board device determines the traveling of the moving vehicle on the secured traveling route based on the different moving vehicle related data.

The invention provides a computer interlocking system and a redundancy switching method thereof. The system includes an interlocking subsystem. The interlocking subsystem contains an interlocking I system and an interlocking II system which are the same and are interconnected. Each of the interlocking I system and the interlocking II system includes two CPUs which are the same in hardware and adopt task-level synchronization. The two CPUs respectively run executable files generated by compiling the same program code by different compilers. According to the system, heterogeneous software/hardware and program running starting times with a fixed difference are adopted to reduce occurrence probability of common-mode faults, development difficulty is reduced while the common-mode faults are reduced, production efficiency is improved, and reducing of requirements of debugging and maintenance is realized.

The invention discloses an automatic generating method and device for an interlocking data sheet. According to the automatic generating method and device for the interlocking data sheet, interlocking data are automatically generated through the steps of device checking, device matching, access searching, interlocking data obtaining and recording and interlocking data collating in sequence, wherein before the interlocking data are obtained, the accuracy of the interlocking data obtained in the subsequent steps is ensured through system self-check and self-correction; by means of device matching, a base is provided for the accessing sequence of different devices in the subsequent access searching process; by means of traversal searching of accesses, the interlocking data of each access are obtained, corresponding collating is conducted, and the needed interlocking data are obtained. The interlocking data are automatically generated, the working efficiency is greatly improved, the accuracy of the interlocking data is effectively ensured, and the problems that an existing manual editing method is low in efficiency and poor in data accuracy are solved.

The invention provides a CBTC (Communication Based Train Control) and regional interlocking integrated system and method, relating to the technical field of rail transit. The system comprises a train-train communication integrated device and a train-ground communication integrated device; in case of control with an automatic mode, the train-train communication integrated device acquires first location information, route entering application information and first line data information, processes the first location information and the route entering application information to obtain first route entering state information, and calculates first LMA (Limit Movement Authority) information according to the first line data information and the first route entering state information; in case of control with a backup mode and a manual mode, the train-ground communication integrated device acquires second location information and second line data information, and calculates second LMA information according to the second locationinformation and the second line data information, thus optimizing closed-loop control links, ensuring stability of the integrated system and improving rail transit operating efficiency.

The invention discloses a turnout execution unit of a computer interlocking system and a working method thereof. The turnout execution unit comprises a first action controller, a second action controller and a directional-operation and reverse-operation control circuit controlled by the first action controller and the second action controller, and the turnout execution unit also comprises a safety relay and a select switch; the first action controller and the second action controller are used for controlling a group of switching tubes on the directional-operation and reverse-operation control circuit; the AC input directional-operation and the reverse-operation control circuit is controlled by a normally-opened switch of the safety relay; the select switch is in communicating connection with the first action controller, the second action controller and a signal acquisition unit; and the first action controller, the second action controller and the output of the select switch process and control the safety relay through And logic relationship. By changing a relay in the traditional system into the switching tube, the invention ensures the high reliability of the turnout execution unit through the safety relay and the select switch and greatly reduces the cost of the whole system on the premise of ensuring the high reliability.

The invention provides a semi-automatic electronic block instrument and a working method of the block instrument. The block instrument is composed of a communication board, a collection board, a drive board, a monitoring board, a communication board and two logic control boards which are connected via a CAN (Controller Area Network) bus, wherein each logic control board comprises two CPUs (Central Processing Units) which are connected in parallel and a comparer; the collection board is composed of collection relays BSAJ, SGAJ, FUAJ and JSBJ which are connected in parallel; and the monitoring board is connected with a computer monitoring system. The two logic control boards of the block instrument form a double 2-vote-2 redundant system, and seven block signals are transmitted via a cable to realize communication among stations, so that the block instrument occupies a small space, has a stable system, is convenient to mount and is suitable for emergency rescue of railway signals; the block instrument is compatible with an existing railway signal interlock system so that digital communication among the stations is increased; automatic block among the stations is realized via a pre-reserved axle counting interface; the upgrading and reconstruction are convenient; the maintenance is convenient; the system has a self-diagnostic function; and the communication among the stations is realized via the cable so that the communication has strong anti-jamming capability and is difficult to damage.

The invention discloses an interlock access control method, which relates to the technical field of track traffic signal safety control and includes steps: S1 dividing various access states into a plurality of limited states and generating an access state transition diagram according to restrict relationship of resources related by access control; and S2 performing access control according to the access state transition diagram. The interlock access control method uses the access state transition diagram which is full in covering state as a reference, can well avoid possible safety hazard, simultaneously is easy in achieving method and improves control efficiency.