CN202243555U - Maintenance support system for urban track traffic signal - Google Patents
Maintenance support system for urban track traffic signal Download PDFInfo
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- CN202243555U CN202243555U CN 201120287208 CN201120287208U CN202243555U CN 202243555 U CN202243555 U CN 202243555U CN 201120287208 CN201120287208 CN 201120287208 CN 201120287208 U CN201120287208 U CN 201120287208U CN 202243555 U CN202243555 U CN 202243555U
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Abstract
The utility model provides a maintenance support system for an urban track traffic signal. The system comprises MSS (Maintenance Support System) station equipment, MSS line maintenance center equipment and MSS net maintenance center equipment, wherein the MSS station equipment is arranged on every equipment centralized station, vehicle section, parking lot and control center of an urban track traffic line; the MSS line maintenance center equipment is arranged in a line maintenance center of the urban track traffic line, and is communicated with all MSS station equipment on the urban track traffic line; and the MSS net maintenance center equipment is arranged in a net maintenance center of the urban track traffic line, and is communicated with an MSS net maintenance center of the urban track traffic line, and is communicated with all MSS line maintenance center equipment in the same city. The system is important driving equipment for ensuring driving safety, enhancing management of signal equipment joint portions, monitoring signal equipment states, finding hidden troubles of signal equipment, analyzing causes of signal equipment faults, assisting fault treatment, guiding field maintenance, reflecting equipment using quality, and improving the department maintenance levels and maintenance efficiencies of signal departments.
Description
Technical field
The utility model relates to a kind of City Rail Transit System, specifically, relates to a kind of urban track traffic signal maintenance supporting system.
Background technology
Along with the quickening of Chinese Urbanization's process, urban population increases severely, and the low pollution of development, low energy consumption, the City Rail Transit System that capacity is big, speed is fast, safe are the effective ways that solves large-and-medium size cities public transport pressure.Signal system as urban track traffic operation commander maincenter is the important assurance of the safe, reliable, efficient operation of urban track traffic.
Line 1 builds up so far from Beijing; City rail signal system has experienced with 6502 electric concentrating and fixed blocking that artificial track circuit is basis, the quasi-moving block that is the basis with microcomputer interlocking and digital track circuit and with ATP (Automatic Train Protection by microcomputer interlocking, the rail; The train automatic protection)/ATO (Automatic Train Operation, automatic train operation) is the evolution of the movable block on basis.Be accompanied by the development process of signal system; The signal maintenance instrument also squeezes several types of alarm messages such as trouble, signal alarm for burnout of filaments, fuse alarm by what initial control desk showed such as track switch; Develop into by ATS (Automatic Train Supervision, automatic train monitoring) accomplish the main track signalling set the part monitoring function, accomplish monitoring by microcomputer monitoring independently to car depot/parking area signalling set.
These signal maintenance support facilities and the city rail traffic signal system technical development adopted at present are inharmonious; In practical application, can not satisfy the growing demand of user; It shows as: 1, city rail signal maintenance supporting system still lacks special-purpose technical standard; Though have ripe state's iron centralized signal supervision system (signal microcomputer monitoring system) relevant criterion as a reference; But there are bigger difference in city rail and state's iron on signalling set standard and signal maintenance management mode, state's iron standard can not satisfy the demand of city rail signal maintenance fully; 2, rail signal in city has used many intelligent signal equipment, and the advance that intelligent signal equipment is had is not used in maintenance management fully; 3, most important main track basis of signals equipment does not obtain monitoring in the rail of city, and the operation of these signalling sets and maintenance quality directly influence the operation security and the efficiency of operation of city rail usually; 4, the supplier of city rail signalling set is more; Signalling set standard that is provided and standard disunity; Indeterminate in the engineering construction stage to the signal maintenance demand; Again the interface between signal system and microcomputer detecting system, monitoring information kind etc. is adjusted, revised behind system's place in operation, difficulty is very big, cost is very high.
Along with urban track traffic for passenger flow continues to rise; Running interval is more and more littler; To signalling set failure-free operation require increasingly high; The signal maintenance supervisory management zone presses for one and is customised, specialized, the intelligentized signal maintenance supporting system of signalling set maintenance body, and this system should be able to provide an open signalling set maintenance support platform for urban track traffic, guarantees that signalling set moves safe, reliable, efficiently.For this reason, people are seeking a kind of desirable technical solution always.
Summary of the invention
The demand that the utility model is safeguarded to the urban track traffic signalling set; Provide a kind of design science, easy to use, be beneficial to and safeguard and support, be beneficial to safe urban track traffic signal maintenance supporting system, urban track traffic signal maintenance supporting system be guarantee traffic safety, strengthen signalling set joint portion management, the monitor signal equipment state, find signalling set hidden danger, analytic signal breakdown of equipment reason, auxiliary fault handling, instruct on site maintenance, the important travelling facility of reflection equipment utilization quality, raising signal department's maintenance levels and maintenance efficiency.
The technical scheme that the utility model adopted is following: a kind of urban track traffic signal maintenance supporting system, and this system comprises:
At each centralized equipment station of city rail traffic route, the MSS station equipment that is provided with of car depot, parking area, control center: be used to gather the monitoring information of urban track traffic equipment, and demonstration, storage, this monitoring information of playback; Be used for monitoring cooresponding urban track traffic equipment, and produce and obtain alarm message, realize warning function through said monitoring information; Be used for plant maintenance maintenance task list acceptance, check, feed back;
At the MSS line service center equipment that the line service center of city rail traffic route is provided with, communicate by letter: be used to receive, store, inquire about, the monitoring information and the alarm message of management, each said MSS station equipment of statistical analysis with all the said MSS station equipments on this rail line; Be used for producing failure diagnosis information, realize fault diagnosis functions through said monitoring information and said alarm message; Be used for the urban track traffic equipment on this rail line is carried out the Life cycle asset management; Be used for producing plant maintenance maintenance task and plan to this rail line through said monitoring information, said alarm message and said failure diagnosis information; And assign plant maintenance maintenance task list to cooresponding said MSS station equipment; Monitoring maintenance and repair task implementation status; Examine maintenance and repair task performance, statistical analysis maintenance and repair task;
At the MSS gauze service center equipment that the gauze service center of city rail traffic route is provided with, the said MSS line service center devices communicating all: be used to check, transfer, store, inquire about, monitoring information, said alarm message and the said failure diagnosis information of management, each said MSS line service center equipment of statistical analysis with this city; Be used for the urban track traffic equipment on all rail lines of this city is carried out Life cycle asset management and maintenance and repair management; Monitor the maintenance and repair task implementation status of each line service center, the maintenance and repair task of each line service center of statistical analysis;
Said urban track traffic equipment comprises the signalling set and the intelligent signal equipment that is used for urban track traffic of urban track traffic;
Said monitoring information includes monitoring information, the alarm message of intelligent signal equipment, the urban track traffic equipment running information of signalling set;
The maintenance and repair that said maintenance and repair management includes signalling set administers and maintains maintenance schedule;
Said Life cycle asset management includes the Life cycle archive information of signalling set, the standby redundancy information of signalling set, the supplier information of signalling set.
Based on above-mentioned; Said MSS gauze service center equipment includes fireproof brickwork, the network switch, gauze exchange and is connected gauze application server, gauze antivirus server, clock server, gauze network management workstation, gauze handling labor station, the prepositive communication computer of said gauze exchange respectively; Wherein, Said prepositive communication computer connects said fireproof brickwork, and said fireproof brickwork connects the said network switch;
Said MSS line service center equipment includes circuit switch and the line applications server that is connected said circuit switch respectively, track data storehouse server, circuit disk array, interface server, WEB server, circuit network management workstation, line upkeep workstation; Wherein, said interface server connects the said network switch through the MSS systematic communication network;
Said MSS station equipment is included in said centralized equipment station or the station equipment of said car depot or the setting of said parking area and the control center's interface device that is provided with in said control center;
The maintenance terminal that said station equipment includes station machine, station exchange, communicate by letter with said station machine through said station exchange, harvester, intelligent acquisition module, with cooresponding said harvester bonded assembly acquisition module; Wherein, Said station machine is an industrial control computer; The serial port board and the network interface card that the CAN interface card are installed on the machine of said station and are used for the connection of intelligent signalling set; Said station machine is connected with said intelligent acquisition module with said harvester respectively through said CAN interface card, and said station exchange connects said circuit switch through the MSS systematic communication network;
Said control center interface device include the communication interface machine that is used for the connection of intelligent signalling set, control center's exchange, respectively with exchange bonded assembly control center of said control center interface server, control center handling labor station, said communication interface machine connects said control center interface server.
Based on above-mentioned, said harvester includes external power grid monitoring means, direct-current point machine current acquisition machine, interchange switch machine current power harvester, signal lighting current harvester, AP current acquisition machine, insulation leakage current harvester, humiture collection machine, switch acquisition machine, switch indication voltage acquisition machine, 50Hz phase sensitivity railway voltage harvester;
Said intelligent acquisition module includes digital audio track circuit acquisition module, location loop wire acquisition module, shielded gate acquisition module;
Said acquisition module includes and said external power grid monitoring means bonded assembly AC current transformer; With said direct-current point machine current acquisition machine bonded assembly direct-current point machine current acquisition module and contact state acquisition device; Exchange switch machine current power acquisition module and contact state acquisition device with the said switch machine current power harvester bonded assembly that exchanges; With said signal lighting current harvester bonded assembly signal lighting current acquisition module; With said AP current acquisition machine bonded assembly AP current acquisition module; Comprehensively make up with the insulation leakage current with said insulation leakage current harvester bonded assembly insulation leakage current relay assembly respectively; With said humiture collection machine bonded assembly Temperature Humidity Sensor; With said switch acquisition machine bonded assembly switch acquisition module.
Based on above-mentioned, said intelligent signal equipment includes automatic train monitoring equipment, train automatic protection/automatic train operation equipment, data communication system (DCS) equipment, computer interlocking equipment, axis-counting device, intelligent power supply panel, intelligent filament equipment.
The relative prior art of the utility model has substantive distinguishing features and progress, and specifically, this urban track traffic signal maintenance supporting system has the following advantages:
1, the structure of urban track traffic signal maintenance supporting system adopts gauze service center, line service center, station three-layer network structure; Can realize of management, maintenance and the support of a signal maintenance supporting system gauze service center to many circuits in a city; Be convenient to signal maintenance department and safeguard all signalling sets in the gauze; Rationally scientific arrangement human resources and device resource improve maintenance efficiency.
2, independent networking; The dedicated network passage that urban track traffic signal maintenance supporting system adopts communication system to provide is set up the native system network; Adopt the various network interface channel with signal system ATS; Like broken string, when blocking up, the signal maintenance supporting system can move by failure-free, has given play to the effect that monitoring, diagnosis, trouble-shooting should be arranged at ATS network et out of order.
3, the supplier of city rail signalling set is more; Signalling set standard and standard disunity that different suppliers are provided; Equipment such as 50Hz phase detecting track circuit, digital audio track circuit, location loop wire, shielded gate, wireless access point AP before the native system utility model, are not suitable for the monitoring equipment or the monitoring scheme of these equipment; Native system is implemented the actv. monitoring to urban track traffic signalling set special monitoring scheme, monitoring equipment to the urban track traffic signalling set.
4, before the native system utility model; Not to whole monitoring, the maintenance support scheme of whole city rail annunciator system; Native system is to special interfaces of intelligent signal device design such as ATS, ATP/ATO, DCS and meter axle, computer interlock, power supply panel, intelligent filaments; Through interface reception and monitoring, recording unit mode of operation, alarm message; Realization is monitored the said equipment, and then accomplishes trouble diagnosing, intellectual analysis, file administration, the maintenance and repair management function of total system.
5, Life cycle signalling set asset management functions; Signal maintenance management will be the file administration of signalling set apparatus for establishing, the file administration of signalling set realize signalling set carry out lifecycle management, to the information management of signalling set standby redundancy, the signalling set supplier information is managed.
6, this system possesses the equipment fault diagnosis function, and when there was fault in system and reports to the police generation, the signal maintenance supporting system started fault diagnosis functions, assist signal service personnel analyzing failure cause, fault location point.
7, this system possesses equipment work parameter variation tendency intellectual analysis function, and signal maintenance supporting system automatic analysis equipment parameter changes whether there is anomaly trend, in time provides early warning and safeguards suggestion.
8, this system possesses plant maintenance maintenance management function; Characteristics according to the maintenance of urban track traffic signalling set; Urban track traffic signal maintenance supporting system has designed equipment maintenance and management function and breakdown of equipment maintenance management function; Combine closely systemic-function and signal maintainer routine,, become the capable helper of signal maintainer for the maintenance and repair of equipment provides rational maintenance and repair suggestion, generates the record of maintenance task list, maintenance and repair.
9, gauze service center management function; Can realize of management, maintenance and the support of a signal maintenance supporting system gauze service center to many circuits in a city; Be convenient to signal maintenance department and safeguard all signalling sets in the gauze; Rationally scientific arrangement human resources and device resource improve maintenance efficiency.
10, this system can monitor the main electrical specification and the plant machinery characteristic of urban track traffic signalling set, early warning in time or warning when departing from predetermined threshold or cisco unity malfunction.
Description of drawings
Fig. 1 is the network structure of the said urban track traffic signal maintenance of the utility model supporting system.
Fig. 2 is the said MSS gauze of a utility model service center configuration of devices constructional drawing.
Fig. 3 is the said MSS line service center of a utility model configuration of devices constructional drawing.
Fig. 4 is the structural representation of the said station equipment of the utility model.
Fig. 5 is the configuration structure of the said control center of the utility model interface device.
The specific embodiment
Through the specific embodiment, the technical scheme of the utility model is done further detailed description below.
Like Fig. 1-shown in Figure 5, a kind of urban track traffic signal maintenance supporting system, this system adopts gauze service center, line service center, station three-layer network structure, specifically comprises:
At each centralized equipment station of city rail traffic route, the MSS station equipment that is provided with of car depot, parking area, control center: be used to gather the monitoring information of urban track traffic equipment, and demonstration, storage, this monitoring information of playback; Be used for monitoring cooresponding urban track traffic equipment, and produce and obtain alarm message, realize warning function through said monitoring information; Be used for plant maintenance maintenance task list acceptance, check, feed back;
At the MSS line service center equipment that the line service center of city rail traffic route is provided with, communicate by letter: be used to receive, store, inquire about, the monitoring information and the alarm message of management, each said MSS station equipment of statistical analysis with all the said MSS station equipments on this rail line; Be used for producing failure diagnosis information, realize fault diagnosis functions through said monitoring information and said alarm message; Be used for the urban track traffic equipment on this rail line is carried out the Life cycle asset management; Be used for producing plant maintenance maintenance task and plan to this rail line through said monitoring information, said alarm message and said failure diagnosis information; And assign plant maintenance maintenance task list to cooresponding said MSS station equipment; Monitoring maintenance and repair task implementation status; Examine maintenance and repair task performance, statistical analysis maintenance and repair task;
At the MSS gauze service center equipment that the gauze service center of city rail traffic route is provided with, the said MSS line service center devices communicating all: be used to check, transfer, store, inquire about, monitoring information, said alarm message and the said failure diagnosis information of management, each said MSS line service center equipment of statistical analysis with this city; Be used for the urban track traffic equipment on all rail lines of this city is carried out Life cycle asset management and maintenance and repair management; Monitor the maintenance and repair task implementation status of each line service center, the maintenance and repair task of each line service center of statistical analysis;
Said urban track traffic equipment comprises the signalling set and the intelligent signal equipment that is used for urban track traffic of urban track traffic;
Said monitoring information includes monitoring information, the alarm message of intelligent signal equipment, the urban track traffic equipment running information of signalling set;
The maintenance and repair that said maintenance and repair management includes signalling set administers and maintains maintenance schedule;
Said Life cycle asset management includes the Life cycle archive information of signalling set, the standby redundancy information of signalling set, the supplier information of signalling set.
Based on above-mentioned; As shown in Figure 2; Said MSS gauze service center equipment includes a ups power, fireproof brickwork, network switch, gauze exchange and a gauze application server that is connected said gauze exchange respectively, a gauze antivirus server, a clock server, a gauze network management workstation, many gauze handling labor stations, a prepositive communication computer; Wherein, Said prepositive communication computer connects said fireproof brickwork, and said fireproof brickwork connects the said network switch;
As shown in Figure 3; Said MSS line service center equipment includes a circuit ups power, circuit switch and is connected two line applications servers of said circuit switch, two track data storehouse servers, a cover circuit disk array, an interface server, a WEB server, a circuit network management workstation, many line upkeep workstations respectively; Wherein, said interface server connects the said network switch through the MSS systematic communication network;
Said MSS station equipment is included in said centralized equipment station or the station equipment of said car depot or the setting of said parking area and the control center's interface device that is provided with in said control center;
As shown in Figure 4; The maintenance terminal that said station equipment includes station machine, station exchange, communicate by letter with said station machine through said station exchange, harvester, intelligent acquisition module, with cooresponding said harvester bonded assembly acquisition module; Wherein, Said station machine is an industrial control computer; The serial port board and the network interface card that the CAN interface card are installed on the machine of said station and are used for the connection of intelligent signalling set, said station machine is connected with said intelligent acquisition module with said harvester respectively through said CAN interface card, and said station exchange connects said circuit switch through the MSS systematic communication network; Said network interface card can be a network interface card, also can be the communication interface machine, and said communication interface machine is the safety communications equipment that network interface changes serial ports;
As shown in Figure 5; Said control center interface device include the communication interface machine that is used for the connection of intelligent signalling set, control center's exchange, respectively with exchange bonded assembly control center of said control center interface server, control center handling labor station, said communication interface machine connects said control center interface server; Said communication interface machine is the safety communications equipment that network interface changes serial ports.
Said harvester includes external power grid monitoring means, direct-current point machine current acquisition machine, interchange switch machine current power harvester, signal lighting current harvester, AP current acquisition machine, insulation leakage current harvester, humiture collection machine, switch acquisition machine, switch indication voltage acquisition machine, 50Hz phase sensitivity railway voltage harvester;
Said intelligent acquisition module includes digital audio track circuit acquisition module, location loop wire acquisition module, shielded gate acquisition module;
Said acquisition module includes and said external power grid monitoring means bonded assembly AC current transformer; With said direct-current point machine current acquisition machine bonded assembly direct-current point machine current acquisition module and contact state acquisition device; Exchange switch machine current power acquisition module and contact state acquisition device with the said switch machine current power harvester bonded assembly that exchanges; With said signal lighting current harvester bonded assembly signal lighting current acquisition module; With said AP current acquisition machine bonded assembly AP current acquisition module; Comprehensively make up with the insulation leakage current with said insulation leakage current harvester bonded assembly insulation leakage current relay assembly respectively; With said humiture collection machine bonded assembly Temperature Humidity Sensor; With said switch acquisition machine bonded assembly switch acquisition module;
Said intelligent signal equipment includes automatic train monitoring equipment, train automatic protection/automatic train operation equipment, data communication system (DCS) equipment, computer interlocking equipment, axis-counting device, intelligent power supply panel, intelligent filament equipment.
Analog quantity, switching value monitoring function are realized:The analog quantity of urban track traffic signal maintenance supporting system, the basic realization flow of switching value monitoring function are: acquisition module is realized tested analog Input Insulation Based sampling; Convert into and be fit to the voltage signal that harvester is handled; Deliver to harvester; Harvester carries out filtering, computing amplification, amplitude adjusted, AD conversion, the processing of AD value, data packing to signal, is sent to the station machine to data according to CAN communication protocol; The station machine shows in real time, store this locality, alarm decision; And be sent to the line applications server of line service center to the information after handling through the MSS systematic communication network, the line applications server is handled the back to data and is deposited data in track data storehouse server; The gauze application server of gauze service center, gauze handling labor station and other gauze handling labors at different levels station, gauze maintenance terminal can be according to protocol access gauze database servers, to data show in real time, data readback, statistical analysis etc.The realization of different analog quantitys and switching value monitoring function; The key distinction is at harvester, acquisition module; Basic identical from the station machine to data handing the server, below detailed description that analog quantity, switching value monitoring function are realized the station machine is mainly described between harvester, the acquisition module;
The monitoring of external power grid overall quality: the monitoring collecting device is made up of external power grid monitoring means and AC current transformer; Each external power grid monitoring means can be joined 8 AC current transformers, gathers 2 road AC380V external power grids or 2 road AC220V external power grids; Above canyon low-voltage distribution and light distribution box plug-in strip, draw 4 on voltage monitoring line; Be A, B, C and N mutually (the 220V external power grid draw 2 be mutually L mutually with N mutually; Here be example with the 380V external power grid), through being linked into the external power grid monitoring means after insurance and the attenuation resistive module; Current monitoring is through below the power supply box plug-in strip, wearing three current transformers, and the output line of current transformer is linked into the external power grid monitoring means; After the external power grid monitoring means collects data, comprise through calculating the power grid quality data: three-phase phase voltage, line voltage, current effective value, power, power factor, phase angle, frequency etc., and deliver to through the CAN bus that upper computer shows, storage.If power network fluctuation transfinites, system is record grid alarm value automatically, and with giving the station organizational security to deposit on the wave recording.
The monitoring of 50Hz phase detecting track circuit: the monitoring sample devices is pulled by 50Hz phase sensitivity railway voltage harvester and railway voltage attenuation and is constituted; Every track harvester can be gathered 7 rail road voltages and 1 portion of road bureau voltage.From track relay terminal (or distributing terminal board) railway voltage is introduced the track harvester; Insert the transformer module through attenuation resistance; The output of transformer module is through computing amplification, rectifying and wave-filtering, voltage lifting circuit; Convert the voltage that is fit to the AD processing of circuit to, deliver to CPU and carry out the A/D conversion.By CPU caculation orbit voltage, and railway voltage is delivered to the station machine with respect to the phase angle of local voltage through the CAN network.
The digital audio track circuit monitoring: the monitoring sample devices adopts digital audio track circuit acquisition module; Digital audio track circuit acquisition module is installed in wiring place of indoor FTGS track circuit end-frame, and riches all the way send voltage, one tunnel to receive voltage in each module collection; Digital audio track circuit acquisition module is with the sampling frequency continuous acquisition railway voltage waveform model of 50kHz; With digital signal processing method; Parse the digital audio track circuit transmission voltage, receive information such as voltage, central frequency, position mould, send to the station machine to test result through the CAN network.
The monitoring of direct-current point machine action current: direct-current point machine current monitoring sample devices is made up of direct-current point machine current acquisition machine, direct-current point machine current acquisition module; Each direct-current point machine Information Monitoring comprises: one road analog quantity: the track switch action current; 3 way switch amounts: 1 1DQJ (1 starting relay) relay status, 1 are represented state, 1 antirepresentation state surely; Every direct-current point machine current acquisition machine can be gathered 5 road analog quantitys, 15 way switch amounts, corresponding 5 direct-current point machines; Switch machine actuating circuit loop line is penetrated the current module thieff hatch, and current module is accomplished the isolation sampling of switch machine action current, and module output inserts harvester analog quantity input terminal; The amount of opening the light collection be the relay idle contact, insert the switching value input terminal of harvester; Harvester is a Rule of judgment with the 1DQJ relay status;, track switch beginning begins sampling when moving; Continuously to the sampling of track switch action current, sampling point of every 40ms is temporarily stored in the digital signal (being the data of current curve) after the conversion in the harvester memory device during the track switch action; After the track switch release, stop sampling, complete track switch current curve data are sent to the station machine handle.
Exchange switch machine action current power monitoring: the monitoring sample devices is by exchanging switch machine current power harvester and exchanging switch machine current power acquisition module and constitute; Be used for accomplishing to three phase current point switch such as S700K the collection of action current, horsepower curve; Each three phase current point switch Information Monitoring comprises: four road analog quantitys: No. three switch machine electric currents and No. 1 switch machine power; Three way switch amount: 1 1DQJ, 1 fixed expression, 1 antirepresentation; Every interchange switch machine current/power harvester can be gathered 16 road analog quantitys, 12 way switch amounts, can realize the action current of 4 S700K or hydraulic electric switch machine and the sampling of power.Use switch machine current/power module to accomplish three phase current point switch action current power samples; Exchanging switch machine three phasevoltage AM access module UA, UB, the UC terminal of sampling in order; The current sample hole of the Ia that passes module towards the three-phase electricity of switch machine in order, Ib, Ic, 4 tunnel output Iia of module, Iib, Iic, Ip insert the analog input terminal of harvester; The amount of opening the light collection be the relay idle contact, insert the switching value input terminal of harvester.Harvester is a Rule of judgment with the 1DQJ relay status; During track switch action continuously to track switch action current, power samples; Digital signal (being the data of current curve) after the conversion is temporarily stored in the harvester memory device, and the data that after the track switch release, are about to three track switch current curves, a horsepower curve are sent to the station machine and handle.
The switch indication voltage monitoring: the monitoring sample devices is pulled by switch indication voltage acquisition machine and expression voltage attenuation and is constituted; Every collection plate can be gathered 8 road voltages, each switch machine show surely voltage, counter show voltage each one the tunnel, 4 switch machines of corresponding monitoring.The monitoring point of switch indication voltage is the relay line bag of expression relay; The switch indication relay end voltage is the pulsating voltage of a half wave rectification; Have the characteristics of alternating-current voltage/AC voltage and vdc concurrently, gather voltage and at first get into the alterating and direct current flow sensor through attenuation resistance, the alterating and direct current flow sensor adopts the linear photoconductor separation principle; It is transformed to high-revolving floating voltage output; The output of alterating and direct current flow sensor converts the voltage that is fit to the AD processing of circuit to through computing amplification, rectifying and wave-filtering, voltage lifting circuit, delivers to CPU and carries out the A/D conversion.Analyze alternating component and the flip-flop of representing voltage by CPU, calculate vdc and alternating-current voltage/AC voltage, give the station machine through the CAN network.
The monitoring of signal lighting current: the monitoring sample devices is made up of signal lighting current harvester and signal lighting current acquisition module; Every block signal machine lighting current harvester can be gathered 16 road analog quantitys, can monitor 8 turnover stations signal, perhaps 16 shunting signals; The power lead of DJ, 2DJ penetrates two thieff hatch of A, B of current module respectively, and module output connects signal lighting current harvester, and signal lighting current harvester sends to the station machine through the CAN network after signal is handled.
Location loop wire monitoring: the monitoring collecting device adopts location loop wire acquisition module; Location loop wire acquisition module is installed in FID equipment cabinet input and output terminal place; Each module is gathered 6 road voltage signals (1 road vdc, 2 road 36kHz voltage signals, 1 road 56kHz voltage signal, 1 road 9kHz voltage signal), two-way 36kHz current signal, corresponding monitoring point; Location loop wire acquisition module is with the sampling rate of 120kHz; With the voltage transformer of high frequency, voltage, the current signal of current transformer continuous acquisition location each terminal node of loop wire; With digital signal processing method; Parse voltage, the frequency of every road voltage signal, electric current, the frequency of every road current signal send to the station machine to test result through the CAN network.
Shielded gate monitoring: detect collecting device and adopt the shielded gate acquisition module to realize; Each shielded gate acquisition module is monitored one road voltage, corresponding shielded gate interface; The shielded gate acquisition module adopts the HF voltage transformer, and continuous acquisition shielded gate Interface Terminal voltage with digital signal processing method, parses shielded gate interface voltage, frequency, sends to the station machine through the CAN network real-time.
The monitoring of wireless access point AP working current: the monitoring collecting device is made up of AP current acquisition machine, AP current acquisition module; Each AP current acquisition module is gathered one road electric current, and each AP current acquisition machine can be gathered 16 road analog quantitys, corresponding 16 road AP working currents; Use AP current acquisition module to accomplish the isolation sampling of AP working current, module output inserts AP current acquisition machine analog quantity input terminal; AP current acquisition machine to input isolate, amplification, filtering, convert input into be fit to the AD conversion voltage signal, through the AD conversion, send to the station machine to collection result through the CAN network.
The Leakage Current monitoring over the ground of cable insulation monitoring, power supply: the monitoring collecting device is set up jointly by insulation leakage current harvester, insulation leakage current relay assembly, insulation leakage current comprehensive group; The test of cable insulation, power supply leakage current is all by manual activation; Operating personal is machine or authorization terminal from the station; Select insulation leakage current test window; Choose the cable that will test, send test command, machine sends to through the CAN network that the insulation leakage current is left plate, the edge leakage current comprehensively makes up through the station in order; The insulation leakage current is left buttress according to the corresponding actuating of relay of command driven Insulation test routing relay assembly, the survey cable conductor is inserted one by one the insulation leakage current observation circuit of the comprehensive combination of insulation leakage current through route selection network; The comprehensive combination of insulation leakage current is switched according to command driven insulation, leakage current test circuit, and the collecting test result sends to the station machine to test result through the CAN network.
The ambient temperature and humidity monitoring: the monitoring collecting device is made up of humiture collection machine and Temperature Humidity Sensor; Every humiture collection machine can be gathered 16 road analog quantitys, can gather the humiture information of 8 Temperature Humidity Sensors; Temperature Humidity Sensor through industrial standard is gathered humiture information, transfers to the humiture collection machine with the 4-20mA current signal, and the humiture collection machine transfers current signal to voltage signal, and after the AD conversion, per second regularly reports to the station machine.
The switching value monitoring function: monitoring equipment is made up of switch acquisition machine and switch acquisition module; Every switch acquisition machine can be gathered 16 way switch amounts, and switching value comprises that button state, control desk represent state, crucial relay status etc.; Button, relay status that idle contact is arranged from the idle contact collection, do not need the switch acquisition module, do not have button, relay status and the control desk of idle contact to represent state, adopt the collection of switch acquisition module.
Intelligent signal equipment interface monitoring function:Urban track traffic signal maintenance supporting system connects various intelligent signal equipment; Intelligent signal equipment through the interface per second send one comprise equipment working state, alarm message data packet to the station machine; The station machine according to the communication interface standard of corresponding intelligent signal equipment, resolve the information that receives.The station machine shows in real time, store this locality, alarm decision; And be sent to the line applications server of line service center to the information after handling through the MSS systematic communication network, the line applications server is handled the back to data and is deposited data in track data storehouse server; The gauze application server of gauze service center, gauze handling labor station and other gauze handling labors at different levels station, gauze maintenance terminal can be according to protocol access track data storehouse servers, to data show in real time, data readback, statistical analysis etc.
The ATS interface function: the control center at rail line is provided with control center's interface server, communication interface machine; The communication interface machine is connected with the ATS interface; Reception information; Be transferred to control center's interface server, control center's interface server sends the line applications server of information to line service center; Interface message content: the field information of standing: track occupied situation, equipment state, train operation situation, screen door state, the time meter state etc. of dispatching a car; System maintenance information comprises: the operating record/Operation Log under equipment working state, device failure alert, equipment self-diagnosis information, clock information, the ATS manual operation pattern etc.
The ATP/ATO interface function: the control center at rail line is provided with control center's interface server, communication interface machine; The communication interface machine is connected with the ATP/ATO interface; Reception information; Be transferred to control center's interface server, control center's interface server sends the line applications server of information to line service center; Interface message content: the field information of standing: track occupied situation, equipment state, train operation situation, screen door state, the time meter state etc. of dispatching a car; System maintenance information comprises: equipment working state, device failure alert, equipment self-diagnosis information, clock information etc.
The DCS interface function: the control center at rail line is provided with control center's interface server, communication interface machine; The communication interface machine is connected with the DCS interface; Reception information; Be transferred to control center's interface server, control center's interface server sends the line applications server of information to line service center; Interface message content: status information of equipment: wire communication transmission route, data server, exchange, wireless aps state etc.; Equipment alarm information etc.
The computer interlocking equipment interface function: the network interface card of station equipment, promptly the communication interface machine is connected with the computer interlocking equipment interface, and reception information is forwarded to the station machine to information, and the station machine sends the line applications server of information to line service center; The interface message content: the signal state (open, close, turn off the light; Guiding; Block, near locking/near locking time-delay, filament burn out), section state (taking/free time), track switch state (location status; Locking), route locking (direction) state, platform screen door state (close, bypass), IBP dish danger button state of activation, power down mode (ground connection detection failure; Fuse alarm), interlocking equipment mode of operation (off-line, communication failure return to form), active and standby information, fall machine information, device failure alert, equipment self-diagnosis information etc.
The axis-counting device interface function: the network interface card of station equipment, promptly the communication interface machine is connected with the axis-counting device interface, and reception information is forwarded to the station machine to information, and the station machine sends the line applications server of information to line service center; Interface message content: the number of axle, section state, equipment working state, device failure alert, equipment self-diagnosis information etc.
The intelligent power supply panel interface function: the station machine of station equipment directly is connected with the intelligent power supply panel interface, and reception information is sent the line applications server of information to line service center; Interface message content: power supply panel input and output voltage electric current, power supply panel output voltage, electric current, power, each module mode of operation of power supply panel, alarm message.
Intelligence filament equipment interface function: the station machine of station equipment directly is connected with intelligent filament equipment interface, and reception information is sent the line applications server of information to line service center; Interface message content: filament work state information, filament alarm message, display lamp position etc.
The radical function of this urban track traffic signal maintenance supporting system have following some:
1, urban track traffic signalling set monitoring function; The place that the signalling set monitoring function of urban track traffic signal maintenance supporting system and the signal microcomputer monitoring system of state iron have some to communicate; But it is different with the signal microcomputer monitoring object-oriented; Though urban track traffic has identical signalling sets such as track switch, track, signal with the equipment of state's iron; But signaling mode is not quite similar, and does not have on the equipment state iron such as 50Hz phase detecting track circuit, digital audio track circuit, location loop wire, shielded gate, wireless access point AP, and the model of point machine has some and state's iron phase together; But mode is different, and is special in these device design monitoring schemes, monitoring equipment in urban track traffic signal maintenance system; So urban track traffic signal maintenance supporting system had both comprised the monitoring function that some are identical with signal microcomputer monitoring, also comprise monitoring function to urban track traffic signal specialized equipment.
2, the intelligent signal equipment interface function of urban track traffic; ATS equipment, ATP/ATO equipment, DCS (Data Communication System; Data communication system (DCS)) intelligent signal equipment such as equipment, computer interlocking equipment, intelligent power supply panel, intelligent filament, urban track traffic signal maintenance equipment monitor, write down mode of operation, the alarm message of these intelligent signal equipment through interface.
3, urban track traffic signal maintenance supporting system device failure alert function; Its realization is based on the real-time monitoring information of signalling set and the result of historic records analysis and judgement; Early warning in time or warning when departing from predetermined threshold or cisco unity malfunction produce three types according to breakdown of equipment character and report to the police and early warning:
One-level is reported to the police: the information that relates to traffic safety is reported to the police; Type of alarm: sound and light alarm stops to report to the police after the artificial affirmation, and uploads to terminals at different levels through network; It comprises alarm for a trailed switch, and train signal is improper closes warning etc.
Secondary is reported to the police: the information of influence driving or equipment normal operation is reported to the police; Type of alarm: sound and light alarm, the back time-delay appropriate time of reporting to the police stops newspaper automatically, and uploads to terminals at different levels through network; It comprises,,,,,,,,, the other ATP/ATO system alarm of rail, the DCS system alarm, the axis-counting device fault alarm,, ups system is reported to the police.
Three grades of warnings: electrical specification transfinites or other warning; Type of alarm: red display is reported to the police, and electrical specification is stopped newspaper after recovering normally automatically, can upload to workshop/terminal, work area through network; It comprises,, maintenance support system acquisition machine, intelligent collector communication failure are reported to the police.
Early warning: according to the electrical specification variation tendency, equipment state and utilization trend etc. is carried out logic determines and early warning; Type of alarm: early warning is shown as blueness; Early warning can upload to workshop/terminal, work area through network; It comprises various device analog quantity variation tendency, sudden change, unusual fluctuations early warning, track switch utilization number of times super-limit prewarning, other early warning of intellectual analysis definition.
4, equipment files management function, the signal maintenance management will be the file administration of signalling set apparatus for establishing, the file administration of signalling set realizes that signalling set carries out full back life cycle management.This partial function need be set up archives for every signalling set, and relevant information comprises: information such as the maintenance of the model of equipment, date manufactured, upper track time, main technical details, electrical specification, installation site, equipment and maintenance record.Set up file administration for signalling set more comprehensively understanding can be arranged the service condition of equipment; Be convenient to the signalling set maintenance management; The service condition of grasp equipment; Also can and confirm equipment working state, generate plant maintenance and historical data is provided with the maintenance suggestion for the analysis of signal maintenance supporting system; The equipment files management function of signal maintenance supporting system is mainly accomplished by line service center server, station machine, terminal.Can be divided into following steps: at the beginning of equipment files initial registration, equipment are installed, by information such as the model of associated maintenance personnel through terminal, station machine recording device, date manufactured, upper track time, main technical details, electrical specification, installation sites.The information of all devices all deposits the line service center database server in.The renewal of equipment files, in equipment running process, the operational factor of self recording apparatus is analyzed variation tendency.During breakdown of equipment, self recording apparatus downtime, fault handling record.The equipment files management function, based on the data bank of equipment files, the associated maintenance personnel can pass through maintenance terminal; Retrieve for examination equipment files, utilize system tool to add up, analyze; Can have the service condition of equipment more comprehensively and understand, be convenient to the signalling set maintenance management, grasp the service condition of equipment; Also can and confirm equipment working state, generate plant maintenance and historical data is provided with the maintenance suggestion for the analysis of signal maintenance supporting system.
5, signalling set standby redundancy management is managed the information such as standby redundancy quantity, state, supply of material producer and deposit position of signalling set.
6, supplier management is managed information such as the supplier's of signalling set and material qualification, scope of supply, supply of material quality.
7, equipment fault diagnosis function, when there was fault in system and reports to the police generation, the signal maintenance supporting system started fault diagnosis functions, assist signal service personnel analyzing failure cause, the fault location point is convenient to signal maintainer fast processing fault; The equipment fault diagnosis function is mainly accomplished by data processing server, terminal.Diagnosis is based on the data of monitoring acquisition and recording.When signalling set has fault and reports to the police generation; The signal maintenance supporting system starts fault diagnosis functions; Fault diagnosis functions are made up of a series of diagnostic rules, and these rules derive from the judgement to equipment state on the one hand, are the rule according to former fault handling experience definition on the one hand; One side is learning rules, in other words the service personnel rule newly-increased according to the fault handling experience.Data processing server is according to failure condition, analyzing failure cause, and the fault location point sends to relevant terminal to fault diagnosis result.Signal maintainer is according to analysis result, the fast processing fault.
8, equipment work parameter variation tendency intellectual analysis function; The signal maintenance supporting system is accomplished monitoring data analysis and processing automatically; Secular variation trend to the equipment work parameter exercises supervision; After some sudden changes and interference carried out filtering, analytical parameters changed whether there is anomaly trend, in time provides early warning and safeguards suggestion when anomaly trend occurring.Be convenient to service personnel and grasp equipment working state, in time do not safeguard processing in advance during et out of order as yet, avoid breakdown of equipment influence driving at equipment; The equipment fault diagnosis function is mainly accomplished by data processing server, terminal.Analysis is based on the data of monitoring acquisition and recording.Signal maintenance supporting system data processing server; The monitoring data of automatic analytical database server stores; Secular variation trend to the equipment work parameter exercises supervision; After some sudden changes and interference carried out filtering, analytical parameters changed whether there is anomaly trend, in time provides early warning and safeguards suggestion when anomaly trend occurring.Safeguarding that suggestion sends to corresponding maintenance terminal, be responsible for according to safeguarding suggestion establishment maintenance task list by safeguarding, in time do not safeguard processing in advance during et out of order as yet at equipment, avoid breakdown of equipment influence driving.
9, plant maintenance maintenance management function; Characteristics according to the maintenance of urban track traffic signalling set; Urban track traffic signal maintenance supporting system has designed equipment maintenance and management function and breakdown of equipment maintenance management function; Combine closely systemic-function and signal maintainer routine,, become the capable helper of signal maintainer for the maintenance and repair of equipment provides rational maintenance and repair suggestion, generates the record of maintenance task list, job ticket, maintenance and repair; Plant maintenance maintenance management function is mainly accomplished by application data server, terminal.The maintenance and repair management is based on the data of monitoring acquisition and recording.Maintenance task is created according to subordinate request, conventional plan, special demands in the plan terminal, agrees under the back to dispatch terminal through the office terminal.The dispatch terminal triggering maintenance task of selecting a good opportunity is transmitted to the terminal, work area.Get into afterwards and safeguard monitor state, that waits for the terminal, station safeguards result and report.Section chief role (in the work area or station land) signs for the back and assigns and give relevant maintainer.Before beginning to keep in repair, the maintainer fills in result and report after registration operation, the end.This task is intact after treating the scheduling examination.
10, gauze service center management function; The general planning in city has many city rail circuits; Different track circuits possibly adopt the signalling set of identical or different systems; Native system has been unified the consensus standard between signal maintenance supporting system gauze service center and the line service center, can realize management, maintenance and the support of a signal maintenance supporting system gauze service center to many circuits in a city, is convenient to signal maintenance department and safeguards all signalling sets in the gauze; Rationally scientific arrangement human resources and device resource improve maintenance efficiency; The general planning in city has many city rail circuits, and different track circuits possibly adopt the signalling set of identical or different systems, and native system has been unified the consensus standard between signal maintenance supporting system gauze service center and the line service center.The server of gauze service center, maintenance terminal can be visited the data bank of each line service center, extract, analyze, and can realize the various management functions of gauze service center.Signal maintenance supporting system gauze service center to the management of many circuits in a city, safeguard and support, be convenient to signal maintenance department and safeguard all signalling sets in the gauze, rationally scientific arrangement human resources and device resource, raising maintenance efficiency.
11, unified clock is checked function: MSS system gauze service center is provided with clock server, and rail clock source obtains clock from the city, and the clock of being responsible for native system Servers-all, workstation, terminal, station machine is synchronous.
Should be noted that at last: above embodiment only in order to the explanation the utility model technical scheme but not to its restriction; Although with reference to preferred embodiment the utility model has been carried out detailed explanation, the those of ordinary skill in affiliated field is to be understood that: still can make amendment to the specific embodiment of the utility model perhaps is equal to replacement to the part technical characterictic; And not breaking away from the spirit of the utility model technical scheme, it all should be encompassed in the middle of the technical scheme scope that the utility model asks for protection.
Claims (4)
1. urban track traffic signal maintenance supporting system is characterized in that this system comprises:
At each centralized equipment station of city rail traffic route, the MSS station equipment that is provided with of car depot, parking area, control center: be used to gather the monitoring information of urban track traffic equipment, and demonstration, storage, this monitoring information of playback; Be used for monitoring cooresponding urban track traffic equipment, and produce and obtain alarm message, realize warning function through said monitoring information; Be used for plant maintenance maintenance task list acceptance, check, feed back;
At the MSS line service center equipment that the line service center of city rail traffic route is provided with, communicate by letter: be used to receive, store, inquire about, the monitoring information and the alarm message of management, each said MSS station equipment of statistical analysis with all the said MSS station equipments on this rail line; Be used for producing failure diagnosis information, realize fault diagnosis functions through said monitoring information and said alarm message; Be used for the urban track traffic equipment on this rail line is carried out the Life cycle asset management; Be used for producing plant maintenance maintenance task and plan to this rail line through said monitoring information, said alarm message and said failure diagnosis information; And assign plant maintenance maintenance task list to cooresponding said MSS station equipment; Monitoring maintenance and repair task implementation status; Examine maintenance and repair task performance, statistical analysis maintenance and repair task;
At the MSS gauze service center equipment that the gauze service center of city rail traffic route is provided with, the said MSS line service center devices communicating all: be used to check, transfer, store, inquire about, monitoring information, said alarm message and the said failure diagnosis information of management, each said MSS line service center equipment of statistical analysis with this city; Be used for the urban track traffic equipment on all rail lines of this city is carried out Life cycle asset management and maintenance and repair management; Monitor the maintenance and repair task implementation status of each line service center, the maintenance and repair task of each line service center of statistical analysis;
Said urban track traffic equipment comprises the signalling set and the intelligent signal equipment that is used for urban track traffic of urban track traffic;
Said monitoring information includes monitoring information, the alarm message of intelligent signal equipment, the urban track traffic equipment running information of signalling set;
The maintenance and repair that said maintenance and repair management includes signalling set administers and maintains maintenance schedule;
Said Life cycle asset management includes the Life cycle archive information of signalling set, the standby redundancy information of signalling set, the supplier information of signalling set.
2. urban track traffic signal maintenance supporting system according to claim 1; It is characterized in that: said MSS gauze service center equipment includes fireproof brickwork, the network switch, gauze exchange and is connected gauze application server, gauze antivirus server, clock server, gauze network management workstation, gauze handling labor station, the prepositive communication computer of said gauze exchange respectively; Wherein, Said prepositive communication computer connects said fireproof brickwork, and said fireproof brickwork connects the said network switch;
Said MSS line service center equipment includes circuit switch and the line applications server that is connected said circuit switch respectively, track data storehouse server, circuit disk array, interface server, WEB server, circuit network management workstation, line upkeep workstation; Wherein, said interface server connects the said network switch through the MSS systematic communication network;
Said MSS station equipment is included in said centralized equipment station or the station equipment of said car depot or the setting of said parking area and the control center's interface device that is provided with in said control center;
The maintenance terminal that said station equipment includes station machine, station exchange, communicate by letter with said station machine through said station exchange, harvester, intelligent acquisition module, with cooresponding said harvester bonded assembly acquisition module; Wherein, Said station machine is an industrial control computer; The serial port board and the network interface card that the CAN interface card are installed on the machine of said station and are used for the connection of intelligent signalling set; Said station machine is connected with said intelligent acquisition module with said harvester respectively through said CAN interface card, and said station exchange connects said circuit switch through the MSS systematic communication network;
Said control center interface device include the communication interface machine that is used for the connection of intelligent signalling set, control center's exchange, respectively with exchange bonded assembly control center of said control center interface server, control center handling labor station, said communication interface machine connects said control center interface server.
3. urban track traffic signal maintenance supporting system according to claim 2 is characterized in that: said harvester includes external power grid monitoring means, direct-current point machine current acquisition machine, interchange switch machine current power harvester, signal lighting current harvester, AP current acquisition machine, insulation leakage current harvester, humiture collection machine, switch acquisition machine, switch indication voltage acquisition machine, 50Hz phase sensitivity railway voltage harvester;
Said intelligent acquisition module includes digital audio track circuit acquisition module, location loop wire acquisition module, shielded gate acquisition module;
Said acquisition module includes and said external power grid monitoring means bonded assembly AC current transformer; With said direct-current point machine current acquisition machine bonded assembly direct-current point machine current acquisition module and contact state acquisition device; Exchange switch machine current power acquisition module and contact state acquisition device with the said switch machine current power harvester bonded assembly that exchanges; With said signal lighting current harvester bonded assembly signal lighting current acquisition module; With said AP current acquisition machine bonded assembly AP current acquisition module; Comprehensively make up with the insulation leakage current with said insulation leakage current harvester bonded assembly insulation leakage current relay assembly respectively; With said humiture collection machine bonded assembly Temperature Humidity Sensor; With said switch acquisition machine bonded assembly switch acquisition module.
4. according to claim 2 or 3 described urban track traffic signal maintenance supporting systems, it is characterized in that: said intelligent signal equipment includes automatic train monitoring equipment, train automatic protection/automatic train operation equipment, data communication system (DCS) equipment, computer interlocking equipment, axis-counting device, intelligent power supply panel, intelligent filament equipment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201120287208 CN202243555U (en) | 2011-08-09 | 2011-08-09 | Maintenance support system for urban track traffic signal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201120287208 CN202243555U (en) | 2011-08-09 | 2011-08-09 | Maintenance support system for urban track traffic signal |
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| CN202243555U true CN202243555U (en) | 2012-05-30 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102407867A (en) * | 2011-08-09 | 2012-04-11 | 河南辉煌科技股份有限公司 | Urban rail transit signal maintenance supporting system |
| CN102795247A (en) * | 2012-08-01 | 2012-11-28 | 深圳市长龙铁路电子工程有限公司 | Remote monitoring system for switch machine |
| CN104309651A (en) * | 2014-10-17 | 2015-01-28 | 上海自仪泰雷兹交通自动化系统有限公司 | Automatic informing and scheduling system for CBTC (Communication Based Train Control) |
| CN112368200A (en) * | 2018-06-28 | 2021-02-12 | 科路实有限责任公司 | Railway maintenance planning |
| CN112926666A (en) * | 2014-01-09 | 2021-06-08 | 北京泰乐德信息技术有限公司 | Rail transit fault diagnosis method |
-
2011
- 2011-08-09 CN CN 201120287208 patent/CN202243555U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102407867A (en) * | 2011-08-09 | 2012-04-11 | 河南辉煌科技股份有限公司 | Urban rail transit signal maintenance supporting system |
| CN102407867B (en) * | 2011-08-09 | 2013-11-06 | 河南辉煌科技股份有限公司 | Urban rail transit signal maintenance supporting system |
| CN102795247A (en) * | 2012-08-01 | 2012-11-28 | 深圳市长龙铁路电子工程有限公司 | Remote monitoring system for switch machine |
| CN102795247B (en) * | 2012-08-01 | 2015-05-20 | 深圳市长龙铁路电子工程有限公司 | Remote monitoring system for switch machine |
| CN112926666A (en) * | 2014-01-09 | 2021-06-08 | 北京泰乐德信息技术有限公司 | Rail transit fault diagnosis method |
| CN104309651A (en) * | 2014-10-17 | 2015-01-28 | 上海自仪泰雷兹交通自动化系统有限公司 | Automatic informing and scheduling system for CBTC (Communication Based Train Control) |
| CN112368200A (en) * | 2018-06-28 | 2021-02-12 | 科路实有限责任公司 | Railway maintenance planning |
| US11691655B2 (en) | 2018-06-28 | 2023-07-04 | Konux Gmbh | Planning of maintenance of railway |
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