683 results about "Railway signal" patented technology

The invention discloses a mining analyzing and fault diagnosis system of rail transit monitoring data, and relates to the technical field of railway signals. The system comprises a signal monitoring system data processing unit, a data analyzing unit, a knowledge base unit and a fault diagnosis unit, wherein the signal monitoring system data processing unit is used for acquiring history railway signal monitoring data and real-time railway signal monitoring data from an on-site centralized signaling monitoring (CSM) device in each electric service workshop or work area. The data analyzing unit is used for analyzing the history railway signal monitoring data acquired by the signal monitoring system data processing unit, and generating fault diagnosis rules. The knowledge base unit is used for storing judging standards, and storing the fault diagnosis rules of the data analyzing unit, wherein the judging standards are formulated according to the work principle of each railway signal device and national and industry standards and specifications in the railway signal field and are used for fault diagnosis. The fault diagnosis unit is used for generating fault diagnosis results according to the fault diagnosis rules and the judging standards as for the real-time railway signal monitoring data acquired by the signal monitoring system data processing unit.

The invention mainly relates to an electronic device used for intelligently controlling and monitoring a track traffic interlocking control point switch, in particular to a system for controlling and monitoring the position of railway points. The invention is characterized in that the electronic device comprises a control mechanism (1), an electrical signal between an execution mechanism (2) and a point switch (5), and a monitoring mechanism (3) for the self-detection of the device; the control mechanism (1) and the monitoring mechanism (3) are connected with an external computer by a communication fieldbus; the execution mechanism (2) is connected with the control mechanism (1) and the point switch (5); the monitoring mechanism (3) is connected with the execution mechanism (2) and the control mechanism (1); the monitoring mechanism (3) is connected with the external computer by a data communication fieldbus. In the invention, the electronic device is adopted for replacing the existing relay contact circuit; an interlocking control device for railway signal is realized by the integration of controlling, monitoring and supervising, therefore, the invention has the advantages of self-detection function, fault position, and stable and reliable work.

The invention discloses a vehicle-ground railway signal comprehensive analyzing and monitoring system, and relates to the field of railway signal monitoring. The system comprises a station subsystem, a center subsystem and a network subsystem. The station subsystem aggregates CTC station host monitoring data, computer interlocking monitoring data, train control center monitoring data and track circuit monitoring data to a station server through central signal monitoring and transmits the data to a center server and a station terminal host through a network transmission subsystem. A special railway transmission network is adopted in the network subsystem. The center subsystem, a dynamic monitoring system (DMS) of train control equipment, a CTC server, a radio block center (RBC) and a temporary speed restriction server (TSRS) maintain a communication interface of the host and store and comprehensively analyze monitoring data of the station subsystem. The vehicle-ground railway signal comprehensive analyzing and monitoring system can achieve comprehensive analysis of ground equipment, vehicle-mounted equipment and vehicle-ground closed loop monitoring information, complete prevention, prediction and diagnosis of equipment failures and give an alarm of abnormal monitoring conditions in time.

The invention discloses a railway electric service and communication signal integrated operation and maintenance system and method. The system comprises a railway signal comprehensive monitoring subsystem, an electric service workflow subsystem and a converged communication subsystem, wherein the railway signal comprehensive monitoring subsystem acquires monitoring data for transmitting to the electric service workflow subsystem; the electric service workflow subsystem generates work tasks for sending to the converged communication subsystem according to predefined electric service workflow rules and finishes the work tasks according to the decision information that a service terminal generates; the converged communication subsystem receives the work tasks for forwarding to a corresponding service terminals; and the service terminal generates the decision information for giving a feedback to the electric service workflow subsystem. By adopting the system and method provided by the invention, problems may be solved that signal equipment monitoring data cannot be monitored collectively due to decentralized management in railway electric service maintenance work, railway electric service maintenance management and electric service scheduling may be combined in a coordinated way, and multiple work such as the handling of railway electric service department alarm events, routine inspection and maintenance, plan task construction and the like may be handled in a standardized and high efficient manner.

The invention relates to a security processor for fault-tolerant in a railway signal system. The security processor includes a hardware platform and a software architecture, wherein the hardware platform comprises an operation platform with double CPUs, and information is shared by the double CPUs through a double-port RAM; the security input implements the security collection of the same input signal by adopting independent and dissimilar design modes for two channels; the security output monitors the status of an output port of the system to ensure the security of the system output by adopting a retraced-collection mode; and the system security is guaranteed by generated check words, which are transmitted to a security monitor board by the CPUs, the security monitor board provides the electric power for an output board when the security monitor receives the correct security check words, otherwise the security monitor cuts off the power supply to the output board, thereby achieving fault-safety. Compared with the prior art, the invention can implement security protection for an onboard ATP during the calculating process, so that the risk probability of malfunction is lower than the design requirement of the system, and the operational security of the system is further ensured.

The invention discloses an automated testing system for a railway signal computer interlocking system. The automated testing system comprises a testing case executor and a testing case generator. The testing case executor at least comprises a script executor, an upper computer simulator and an input and output plate simulator. The script executor is used for reading in, analyzing and executing a testing case script, the upper computer simulator is used for achieving simulation of the communication function of an interlocking upper computer, and the input and output plate simulator is used for achieving simulation of the communication function of input and output plates. The testing case generator receives a testing scene script and actual station yard data and generates the testing case script. The automated testing system for the railway signal computer interlocking system can save testing labor and time, and improve testing efficiency and accuracy.

The invention relates to anchoring mortar and an application method thereof. The anchoring mortar particularly comprises the following raw materials in parts by weight: 20-90 parts of cement or cement clinker, 5-70 parts of sand, 0.01-10 parts of an early strength agent, 0.01-8 parts of an accelerating agent, 0.01-10 parts of an interface binding agent, 0.01-10 parts of an interface penetrating agent, 0.01-10 parts of a micro-expanding agent, 0.01-10 parts of an acid-proof powder, 0.01-10 parts of an insulating property improving agent, 0-8 parts of a retarding agent, 0-8 parts of an air entraining agent, 0-8 parts of cellulose, 0-8 parts of a defoaming agent and 0.01-8 parts of a water reducing agent. Compared with the conventional spike anchoring material, the anchoring mortar has the advantages that the formula construction is simple and convenient, heating decoction is not needed, pollution is avoided, the early strength is high, the long-term strength does not shrink, the pulling resistance is high, and the insulativity is good; interference on railway signals by sleeper electric conduction can be prevented, and the driving safety can be ensured.

The invention provides a data acquisition method and a data acquisition system for a railway signal, relates to the technical field of railway monitoring, and solves the technical problems that monitoring data of each railway signal monitoring system is scattered and cannot be concentrated and comprehensively used in the prior art. The method mainly comprises the following steps that: a railway signal acquisition server transmits a data request to a railway signal communication server; the railway signal communication server transmits a monitoring data request to the railway signal monitoring system according to the data request, and receives the monitoring data returned to the railway signal communication server according to respective original protocol formats; the railway signal communication server analyzes the received monitoring data in different protocol formats, integrates the analyzed monitoring data into monitoring data in a uniform format, and transmits the monitoring data in the uniform format to the railway signal acquisition server; and the railway signal acquisition server respectively processes the monitoring data in the uniform format according to the types of the monitoring data and stores the processed monitoring data in a database.

The invention discloses an axle counting system adopting the 2*2 taking 2 framework, and belongs to the field of a railway signal system. The technical proposal thereof is that the system is formed by connecting an outdoor detection part with an indoor monitor part through an axle counting cable. The outdoor detection part includes two pairs of sensors arranged on two rails of outdoor axle counting points, and each pair of the sensors is connected with an outdoor electronic detecting unit (EAK); the indoor monitor part includes an indoor cabinet, an indoor control and display machine, an indoor ACE layer and an indoor DIO layer; the indoor control and display machine, the indoor ACE layer and the indoor DIO layer are mutually connected with a CAN bus through adopting the redundancy mode; each ACE of the ACE layer is provided with two ZKB boards, each ZKB board is composed of two CPUs; each DIO board of the DIO layer is composed of two selfsame DIO cages and controlled by the corresponding ACE master control board ZKB. The axle counting system adopting the 2*2 taking 2 framework improves the security and the reliability of the axle counting system.

The invention relates to the technical field of automatic control systems of transportation railway signals, in particular to a monitoring and early warning system of a railway train and construction maintenance on the basis of a technology of Internet of Things. The monitoring and early warning system is characterized in that the monitoring and early warning system comprises mobile hand-held terminals which are provided for on-road construction machines, protectors, maintainers and constructors, the mobile hand-held terminals conduct positioning through beidou satellites, position information is transmitted to a railway geographical information system (GIS) data server of a construction maintenance command center through a communication server GSM-R, and data of the railway GIS data server are called by an application server at the construction maintenance command center to be analyzed; and the hand-held terminals of the on-road construction machines, the protectors and monitoring personnel are matched with each other, ineffective protection early warning is started when the effective protection distance is exceeded, and displaying is simultaneously conducted on display terminals of all the terminals through acoustic-optical signals. The monitoring and early warning system is safe and stable, ensures that the train normally operates and enables safety protection on construction of existing lines to be more scientific and more effective.

The invention discloses an evaluation method applied to the field of risk analysis of a railway signal system. The method comprises the steps of firstly, formulating the levels of risk of the railway system, expressing a cloud model for evaluating the levels of risk by a forward cloud generator of a MATLAB simulation software, and generating a standard risk grade evaluation set cloud model figure; marking the failure mode of a function by an expert according to the formulated levels of risk to obtain a risk factor set, and converting the risk factor set into a comprehensive evaluation matrix R; utilizing an analytic hierarchy process to obtain risk factor set weight coefficients corresponding to all parameters in the risk factor set by the expert, and calculating a comprehensive evaluation result cloud model figure by fuzzy synthetic operator; comparing the comprehensive evaluation result cloud model figure with the standard risk grade evaluation set cloud model figure to obtain the level of risk of the comprehensive evaluation result. After the method is adopted, the risk evaluation result is more objective and accurate.

The invention discloses an automatic test method and device for a temporary speed limit message of a train control center, relates to the technical field of railway signal system equipment testing, and mainly aims to realize automatic testing of the temporary speed limit message and improve the testing efficiency. According to the main technical scheme, the method comprises the following steps: generating a plurality of test cases with temporary speed limit messages by utilizing an engineering data table; sending the data in the test cases to a corresponding simulator one by one, wherein the simulator is used for simulating an external interface of the train control center, and the data of the test cases is sent to the train control center through the simulator; acquiring message data fedback by the train control center; and comparing the consistency of the fed-back message data and the temporary speed limit messages in the test cases, and recording test resultd and comparison resultof the test cases. The method and the device are used for automatically testing the temporary speed limit messages.

The invention relates to the technical field of railway signals and discloses a movable blocking downgrading operation system and method. According to the system, a plurality of axle counters are arranged on arrival signal machines and a plurality of pass signal machines of two adjacent stations correspondingly, wherein the multiple pass signal machines are arranged in the interval formed by the arrival signal machines to divide the interval into a plurality of sections, and the axle counters detect whether each section is idle or not; according to the detecting results of the axle counters of the corresponding sections, the pass signal machines display indicating signals; a plurality of railway circuits are arranged in the preset range travelled when a train arrives at the pass signal machines, and train control codes are sent according to the indicating signals displayed by the corresponding pass signal machines; and train-mounted equipment receives the train control codes and controls the train to operate according to the train control codes. The movable blocking downgrading operation system and method are mainly applied to the movable blocking failure condition, thus under the condition, the operation safety of the train can still be ensured, and the train has the certain transporting efficiency and capacity; and meanwhile the engineering cost is reduced.

The embodiment of the invention discloses an energy-saving method, an energy-saving device and an energy-saving system of a railway mobile network base station. The method, the device and the system are used for reducing energy loss of the railway mobile network base station. The method comprises the following steps of: receiving train information sent by a railway signal system, judging whether base station communication equipment needs starting or not according to the train information, if so, determining amount and/or time of the base station communication equipment to be started, and then starting the base station communication equipment according to the amount and/or the time.

The invention provides a railway signal simulation system. The railway signal control simulation system comprises a train number simulation system, a centralized dispatching simulation system, an outdoor signal simulation system, a computer interlocking simulation system and a train control simulation system, wherein the train number simulation system is used for generating train number information; the centralized dispatching simulation system is used for generating signal control commands, dispatching commands and temporary speed-limiting commands; the outdoor signal simulation system is used for generating an equipment status signal according to the equipment status of outdoor signal simulation equipment; the computer interlocking simulation system is used for generating access status information and equipment control commands according to the received track interval safety information and equipment status signal; and the train control simulation system is used for generating the track interval safety information and temporary speed-limiting status information according to the temporary speed-limiting commands and the access status information. The railway signal control simulation system provided by the invention achieves independent debugging of actual subsystems, and improves the development test efficiency.

The invention mainly relates to an automatic control system for transportation railway signals, in particular to an electronic device for controlling a three-phase alternating current point machine and the method thereof. The electronic device comprises a locking protection circuit (3), and is characterized in that the device further comprises a discriminate circuit (2) for the input power supply of a three phase operation power supply; the locking protection circuit (3), an actuating circuit overflowing and detecting circuit (5), and a point machine action driving circuit (6) is sequentially connected to the output end of the discriminate circuit for driving a three-phase alternating current point machine (8); the output end of the three-phase alternating current point machine (8) is connected with an indicating signal acquisition circuit (7); the output ends of a communication circuit (1), the power supply discriminate circuit (2), the actuating circuit overflowing and detecting circuit (5) and the output end of the indicating signal acquisition circuit (7) are connected with the input end of a microcontroller system (4); the locking protection circuit (3) and the point machine action driving circuit (6) are arranged at the output end of the microcontroller system (4); and the indicating power supply input is arranged at the input end of the indicating signal detection circuit (7). The invention adopts non-contact control technique, and a switch converting indicating circuit formed by a safe relay is replaced by an electronic circuit.

The invention discloses system architecture of a comprehensive monitoring and maintaining system for railway electricity. The system architecture comprises all railway-signal monitoring equipment, integration communication monitoring equipment and railway electricity production managing system interfaces, and provides a comprehensive integrated monitoring and maintaining platform for the monitoring and the maintenance of railway electricity. The system architecture describes the whole system through the following four aspects: business architecture for describing the business level relation of the whole system, data architecture for describing the data flow of the whole system and the data storage relation, network architecture for describing the network building mode of the whole system, and security architecture for describing the security precautions of the whole system.

The invention relates to a security platform beside common rail in the field of railway signals. The security platform includes a principal subsystem MPS, a diagnosis and maintenance subsystem SDMS, a universal subsystem GGW and a redundant network, wherein the MPS, SDMS, GGW is respectively connected with the redundant network, the MPS is in controlling connection with the GGW which transfers external system data input to MPS, after processing the MPS executes safety verification and decides whether the external system data can pass or not. If the verification cannot pass, the MPS controls GGW to disconnect with the redundant network; if the verification can pass, the MPS sends the processing results to the GGW. Compared with the prior art, the security platform beside common rail in the field of railway signals has the advantages of being high in reliability and security and good in expansibility.