Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

501results about "Electric devices for scotch-blocks" patented technology

Control and monitoring system for railway switch location

ActiveCN101439725AImprove operational monitoring capabilitiesReduce areaElectric devices for scotch-blocksMonitoring systemElectric signal
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.
Owner:兰州大成科技股份有限公司

Control method and device and controller of turnout

The embodiment of the invention discloses a control method and device and a controller of a turnout. The control method comprises the steps that a vehicle-mounted device acquires the turnout state, and to-be-requested target resource permission is determined according to the turnout state; the vehicle-mounted device sends a first resource request to the turnout, wherein the first resource request comprises the target resource permission; the resource state of the turnout is acquired, and the resource permission of the turnout is distributed according to the resource state and the target resource permission; and the turnout is controlled according to a distribution result of the resource permission. According to the control method, a traditional interlocking technology is not followed, so that ground equipment like an interlock and a signal machine do not need to be arranged, the control logic is simplified, and the equipment cost and maintenance cost are reduced; and the turnout is subjected to resource permission distribution and control through judging the resource state of the turnout according to the resource request of the vehicle-mounted device, and before a train reaches required turnout and zone resources, the resources are requested and distributed, so that safety protection of the train is achieved, and the utilization rate of the line resource is increased.
Owner:TRAFFIC CONTROL TECH CO LTD

Railroad signaling and communication system using a fail-safe voltage sensor to verify trackside conditions in safety-critical railroad applications

The present invention discloses an improved method and system for verifying trackside conditions in safety critical railroad applications by reporting the status of trackside signals and switches to a remote train control system to confirm visual signals and control train movement. The system for verifying whether a trackside signaling electrical component is energized comprises a sensor for providing trackside conditions to a remote train control system electrically connected to a circuit for providing trackside conditions to a railroad interlocking adjacent to a trackside signaling electrical component, said sensor powered by voltage applied to said circuit such that said sensor is energized only when said electrical component is engaged. The fail safe method for sensing the status of an electrical component by powering the sensing means with voltage applied to a circuit when the electrical component is energized comprises electrically connecting a sensor to an electrical circuit associated with an electrical component, said circuit energized when said electrical component is engaged, said sensor adjacent to said electrical component; powering said sensor by voltage applied to said circuit such that said sensor is energized only when said electrical component is engaged; and indicating that said electrical component is engaged when sensor is energized by transmitting sensor status to a microprocessor.
Owner:WESTINGHOUSE AIR BRAKE TECH CORP

Rotary disk turnout

The invention relates to the technical field of subway rails, in particular to a rotary disk turnout. The middle area of the rotary disk turnout is provided with a movable turnout rail, and four side rails are fixed rails. The upper part of the turnout rail comprises connecting rotary disk running beams formed by an upper framework and a support beam, a guide beam is arranged on the middle of the turnout rail, the rotary disk running beams are arranged on two sides, an outside protective welding plate is arranged outside the rotary disk running beams, and a roller assembly is arranged on the lower end of the support beam; the upper part of the turnout rail is connected with the lower part of the turnout rail through a transmission shaft and a pivotal bearing assembly, the lower part of the turnout rail is supported by a lower framework, a flat rail assembly and a stop raceway assembly are arranged on the ground around the lower framework; guide beams are respectively arranged on the middles of the four fixed rails, a locking pin device is arranged on the end part of each guide beam, and a hydraulic control device is arranged on a neutral gear between the two fixed rails, and is connected through a pipeline for centrally controlling the four locking pin devices and the rotary device on the center of the rotary disk turnout. The invention provides a matched rail changing technology for Guangzhou subway walking system, and can realize linear guide when the rails are crossed.
Owner:CRRC QISHUYAN CO LTD

Device and method for railway heavy type turnout multi-point-switch synchronous traction and control

The invention relates to a traffic transportation railway signal automatic control system which comprises places such as a railway special line, a bus special line, a subway and a light rail where a signal control device for heavy type turnout multi-machine traction is used. A device for railway heavy type turnout multi-point-switch synchronous traction and control is mainly characterized in that a phase A power line is connected with a power source discriminator circuit and a feedback detection circuit through a locking protection circuit and the output end of the phase A power line is connected with an X5 end of a point switch through a power switch K1 and a change-over switch K4 and connected with an X3 end of a point switch through the power switch K1 and a change-over switch K5; a phase B power line is connected with the power source discriminator circuit and the feedback detection circuit through the locking protection circuit and the output end of the phase B power line is connected with an X2 end of a point switch through a power switch K2 and a change-over switch K6 and connected with an X4 end of a point switch through the power switch K2 and a change-over switch K7; a phase C power line is connected with the power source discriminator circuit and the feedback detection circuit through the locking protection circuit and the output end of the phase C power line is connected with an X1 end of a point switch through a power switch K3. The device has the advantages that a five-wire system turnout switching indication circuit composed of a safety relay is replaced by an electronic circuit, indication of localization and anti-position of a turnout can be detected and analyzed in real time, and safety is further improved.
Owner:LANZHOU JIAOTONG UNIV

Hydraulic turnout junction control and representation system

The invention discloses a hydraulic turnout junction control and representation system which comprises a feedback unit, a processing unit, an action control unit and a representation unit. The representation unit acquires representation states of turnout junctions and feeding the representation states to the feedback unit; the feedback unit acquires the turnout representation states fed by the representation unit and level states of protection relays and transmits the turnout representation states, the level states and control commands acquired from interlocking machines to the processing unit; the processing unit is used for receiving the control commands, the representation states and the level states which are transmitted by the feedback unit and transmits driving commands to the action control unit according to the control commands and state information; the action control unit is used for receiving the driving commands transmitted by the processing unit and completes corresponding actions according to the driving commands. The hydraulic turnout junction control and representation system has the advantages of small size, compact equipment, rich information and representation forms, easiness in fault control and analysis and the like.
Owner:上海亨钧科技股份有限公司

Rail transferring apparatus for electric power tunnel inspection device at guide rail crossroad

The invention discloses a rail transferring apparatus for an electric power tunnel inspection device at a guide rail crossroad. The rail transferring apparatus comprises a movable straight rail, a movable curved rail, a movable rail support, connecting and fixing supports, support pulleys, a driving motor, a driving arm, a driving connecting rod, slide rails and a travel switch. The movable straight rail and the movable curved rail are fixed to the movable rail support through the corresponding connecting and fixing supports, the support pulleys are fixed to the two ends of the movable rail support, and the support pulleys are clamped on the slide rails, so that the movable straight rail and the movable curved rail can slide in the slide rails. The driving motor is mounted on the slide rails; the driving motor is connected to the driving arm; the driving arm is connected to the driving connecting rod; the driving connecting rod is connected to the movable rail support through a driving bearing joint; the travel switch is fixed to one slide rail; and a travel switch top plate is fixed to the movable rail support. According to the invention, a problem that a conventional electric power tunnel inspection device cannot inspect crossing lines in a tunnel is solved, the electric power tunnel inspection device can pass the crossroad through the rail transferring apparatus, and the rail transferring apparatus has practical significance for mobile inspection in the electric power tunnel.
Owner:康威通信技术股份有限公司

Method for analyzing and processing turnout curves

The invention relates to a method for analyzing and processing turnout curves. The method comprises the following steps: judging standard fault curves in a turnout curve polling and calling standard fault curve database one by one; if the standard fault curves conform to a standard fault result, displaying the fault content; if no fault is found during the polling of all the standard fault curves, calling a non-standard fault experience database; if non-standard fault curves which are matched with the current curves are directly found in the non-standard fault experience database, determining that the current curves have the faults; if the current curves cannot be matched with the non-standard fault curves in the non-standard fault experience database, and cannot be matched with the standard curves at the same time, determining that the curves have a novel fault type; and storing the current curves in the non-standard fault experience database. The accuracy of the standard fault curve database of the method is higher, but the application range is narrower; while the accuracy of the non-standard fault experience database is not very high, but the non-standard fault experience database can judge whether the curves have the faults or not within a wider range, and the accuracy and the wider range. The standard fault curve database and the non-standard fault experience database complement each other to achieve high efficiency.
Owner:CASCO SIGNAL

Electronic apparatus and method for controlling three phase current point switch

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.
Owner:兰州大成科技股份有限公司

Double 2-vote-2 architecture-based four/six-wire turnout driving system

The invention relates to a double 2-vote-2 architecture-based four/six-wire turnout driving system. The double 2-vote-2 architecture-based four/six-wire turnout driving system comprises an interlocking lower computer IPS, an interlocking maintenance platform SDM, a four/six-wire turnout driving module PDDM4/6 and a full electronic communication module EIOCOM2, wherein the four/six-wire turnout driving module PDDM4/6, the full electronic communication module EIOCOM2 and the interlocking lower computer IPS are connected sequentially; the full electronic communication module EIOCOM2 is connected with the interlocking maintenance platform SDM; the four/six-wire turnout driving module PDDM4/6 acquires a turnout driving command through the interlocking lower computer IPS, controls a permission relay and a direction relay in a four/six-wire turnout to absorb and fall down, drives the turnout to rotate towards the specified direction, and acquires representation information of the turnout after the turnout rotates in place. Compared with the prior art, the double 2-vote-2 architecture-based four/six-wire turnout driving system has the advantages of replacing the existing relay circuit by using a high-performance circuit board, greatly reducing construction and maintenance costs and the like.
Owner:CASCO SIGNAL

Orbit-change mechanism control system for electric power tunnel inspection robot and method

The invention discloses an orbit-change mechanism control system for an electric power tunnel inspection robot and a control method. According to the orbit-change mechanism control system, an inspection robot communicates with an orbit-change control unit through a tunnel wireless network; the orbit-change control unit comprises a local control box, a motor driver, a motor, a control feedback sensor and an orbit-change device; the local control box, the motor driver and the motor are sequentially connected; the motor is connected with the orbit-change device; the control feedback sensor is connected with the orbit-change device and the local control box respectively; and the orbit-change device is arranged on a junction of a tunnel. The orbit-change mechanism control system and the control method have the beneficial effects that monitoring equipment can move along a fixed orbit in the tunnel and can automatically adjust a changeable orbit for inspection path selection; the defects that fixed monitoring can only be carried out at a fixed point and short-distance operation cannot carried out are really avoided; and visual inspection in a real sense is implemented on a tunnel body and a cable in the tunnel.
Owner:康威通信技术股份有限公司

Electronic modularized control system of multi-locomotive traction turnout

The invention provides an electronic modularized control system of a multi-locomotive traction turnout. The system comprises N groups of switch machine control modules and an interlocking machine controller area network (CAN) communication channel, wherein each switch machine control module comprises a turnout control unit, an input and output interface circuit, an action state circuit and a switch machine driving circuit; the turnout control unit is connected with the input and output interface circuit and the action state circuit; the input and output interface circuit is connected with the switch machine driving circuit; the N groups of switch machine control modules are connected with the interlocking machine CAN communication channel respectively; the action state circuit of the first group of switch machine control modules is connected with the input and output interface circuit of the second group of switch machine control modules; and according to the order of connection, the action state circuit of the (N-1)th group of switch machine control modules is connected with the input and output interface circuit of the Nth group of switch machine control modules. The control system has the advantages that the system can be scientifically controlled, operates stably, is safe and reliable, and can be easily popularized and applied, and the conventional equipment is easy to reconstruct.
Owner:HENAN SPLENDOR SCI & TECH

Five-wire system turnout driving system based on double 2-vote-2 framework

The invention relates to a five-wire system turnout driving system based on a double 2-vote-2 framework. The five-wire system turnout driving system comprises an interlocking lower computer IPS, an interlocking maintenance station SDM, a five-wire system turnout driver module PDDM5 and an all-electronic communication module EIOCOM2, wherein the five-wire system turnout driver module PDDM5, the all-electronic communication module EIOCOM2 and the interlocking lower computer IPS are sequentially connected with one another; the all-electronic communication module EIOCOM2 is connected with the interlocking maintenance station SDM; and the five-wire system turnout driver module PDDM5 acquires a turnout drive order through the interlocking lower computer IPS, controls a permissible relay and a directional relay in the five-wire system turnout to suck up and drop down, drives the turnout to rotate towards a specified direction and acquires representation information of the turnout after the turnout rotates in place. Compared with the prior art, the five-wire system turnout driving system disclosed by the invention has the advantages that the previous relay circuit is replaced by utilizing a high-performance circuit board, the construction and maintenance cost can be greatly reduced, and the like.
Owner:CASCO SIGNAL

Method for on-line monitoring conversion resistance force of switch machine

The invention discloses an on-line monitoring method for switching resistance of a switch machine. The method comprises the following steps: establishing a switch machine equivalent input and output model: calculating various losses by using an electrical energy flow analysis method and by combining effect of power supply cable resistance of a switch machine drive motor on the operating energy flow of the drive motor, extracting output torque of the drive motor, establishing a set model parameter value; isolating and sampling the three-phase voltage and three-phase current of the switch machine drive motor by a voltage transformer and a current transformer, outputting to a switching force monitoring module for operation to obtain a mean square value of current and active power, and outputting to a turnout collection slave; collecting the input current and a power curve by the turnout collection slave according to the turnout state, calculating a switching force curve of the switch machine according to the set model parameter, and realizing display, storage and alarming of the curve by reporting the switching force curve to a microcomputer for monitoring with CAN communication. The method has the advantages of realizing the timely, accurate and practical railway turnout monitoring and maintenance.
Owner:HENAN SPLENDOR SCI & TECH

Hanging type track traffic switch structure and operation method

The invention discloses a hanging type track traffic switch structure. The hanging type track traffic switch structure comprises a switch beam, a movable rail, a driven rail, a main line compensation rail, a siding compensation rail, a main line correction rail, a siding correction rail, a drive device, and the like, wherein a movable rail driving motor is arranged on the switch beam and is connected with the movable rail through a transmission mechanism; the movable rail is hinged with the driven rail; the movable rail is connected to the switch beam through a pivoting support, and a movable rail fixing shaft is arranged on the movable rail; a main line compensation rail drive device, a siding compensation rail drive device, a main line correction rail drive device and a siding correction rail drive device are fixed to the switch beam, and the main line correction rail and the siding correction rail are both hinged to the switch beam through a rotating shaft; and the main line compensation rail drive device is connected with the main line compensation rail, and the siding compensation rail drive device is connected with the siding compensation rail and the like. According to the hanging type track traffic switch structure disclosed by the invention, the problems that a body of a sky train is oblique when the sky train passes through a switch, and the passing requirements of a steering frame vehicle braked by a pincer brake cannot be met, are solved.
Owner:中铁磁浮科技(成都)有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products