CN115817575A - Turnout control circuit fault diagnosis system - Google Patents
Turnout control circuit fault diagnosis system Download PDFInfo
- Publication number
- CN115817575A CN115817575A CN202211689224.9A CN202211689224A CN115817575A CN 115817575 A CN115817575 A CN 115817575A CN 202211689224 A CN202211689224 A CN 202211689224A CN 115817575 A CN115817575 A CN 115817575A
- Authority
- CN
- China
- Prior art keywords
- acquisition
- data
- unit
- voltage
- outdoor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003745 diagnosis Methods 0.000 title claims abstract description 17
- 238000012545 processing Methods 0.000 claims abstract description 49
- 238000004458 analytical method Methods 0.000 claims abstract description 44
- 238000000034 method Methods 0.000 claims abstract description 15
- 230000008859 change Effects 0.000 claims abstract description 9
- 230000009471 action Effects 0.000 claims description 35
- 230000003750 conditioning effect Effects 0.000 claims description 22
- 238000004891 communication Methods 0.000 claims description 18
- 238000002955 isolation Methods 0.000 claims description 16
- 238000012544 monitoring process Methods 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 230000005284 excitation Effects 0.000 claims description 11
- 230000036541 health Effects 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- 230000001012 protector Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 238000007405 data analysis Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003862 health status Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention relates to a switch control circuit fault diagnosis system, which is characterized in that: the system comprises a monitoring center management unit, at least more than one outdoor acquisition unit and more than one indoor acquisition unit, wherein the outdoor acquisition units and the indoor acquisition units are respectively connected with the monitoring center management unit through a network; the monitoring center management unit is used for acquiring data of the outdoor acquisition unit and the indoor acquisition unit, analyzing and processing the data through the data trend analysis module and giving the state quantity of each data; the method is used for comparing and analyzing historical data and real-time collected data of the outdoor collecting unit and the indoor collecting unit to obtain whether potential state change exists or not. The invention can conveniently acquire the fault position and the fault information in a short time, and provides convenience for the timely judgment and subsequent processing of the fault by maintenance personnel.
Description
Technical Field
The invention relates to a centralized monitoring technology on a railway, in particular to a turnout control circuit fault diagnosis system.
Background
The existing turnout control circuit monitoring does not completely cover all equipment, monitoring points are all arranged indoors, an outdoor circuit is not monitored, and the specific position of a fault cannot be given when the fault occurs.
Generally, the switch control of the turnout can be divided into two power modes, one mode is a manual switch machine control method, the other mode is an electric switch machine control method, the two modes have own characteristics, the two modes are applied by combining with actual conditions, the former has fewer application conditions in China, the principle is that the control is carried out by a manual mode and an electric lock interlocking mode, the latter has obvious advantages, the electric motor is mainly used for driving a point rail of the turnout to carry out position switching, both forward switching and direction switching can be realized, the opening position of the turnout can form two different modes, the electric switch machine has the advantages of short turnout switching time and high safety degree, and is convenient for realizing automatic control and remote control, and the electric switch machine is basically popularized in railways in China at present.
At present, switch machine control circuits mainly used on railways mainly comprise alternating current and direct current. The turnout control system can be divided into four-wire turnouts and five-wire turnouts according to the number of control cables, the control cables are respectively used for the action and the representation of the turnout, the disconnection and the short circuit of the cables often occur in the actual field application, and the fault of an indoor turnout control relay combined circuit causes that the turnout can not normally act or can not normally represent; after turnout faults occur, how to quickly position and timely maintain and dispose, reduce fault delay, recover driving order and prepare emergency treatment of turnout faults is an important content of daily production. The turnout circuit faults mainly comprise: turnout indication faults, turnout starting open-circuit faults, turnout starting short-circuit faults and the like.
At present, concentrated monitoring is basically applied to railways, the action of a switch machine and key points of a representation circuit are monitored, and the operation state of a switch circuit can be monitored and judged to a certain extent.
However, the centralized monitoring does not cover the monitoring of all turnout combination relays, and meanwhile, most of the monitoring points which are critical are idle contacts which are not used by the relay, and the state of the actually used relay contact is not monitored, so that when a fault is detected, only the fault of the monitored contact can be reflected, the state of the actually used contact cannot be reflected, and when the fault occurs, manual intervention analysis is needed for fault positioning.
In addition, the main monitoring points are monitored in a centralized mode indoors, a switch machine control circuit extends to the interior of an outdoor switch machine through cables, outdoor cable faults and internal cable faults of the switch machine cannot be given out through centralized monitoring, and most faults need to be located through image data analysis and post analysis of relevant experience data by experienced field personnel.
Disclosure of Invention
The invention aims to provide a turnout control circuit fault diagnosis system, so that the fault position and fault information can be obtained in a short time, and convenience is provided for maintenance personnel to judge and subsequently process the fault in time.
The technical scheme of the invention is as follows: the invention relates to a switch control circuit fault diagnosis system, which is characterized in that: the method comprises the following steps: the system comprises a monitoring center management unit, indoor acquisition units and outdoor acquisition units, wherein the monitoring center management unit at least comprises more than one outdoor acquisition unit and more than one indoor acquisition unit, and the outdoor acquisition units and the indoor acquisition units are respectively connected with the monitoring center management unit through a network;
the monitoring center management unit is used for acquiring data of the outdoor acquisition unit and the indoor acquisition unit, analyzing and processing the data through the data trend analysis module and giving the state quantity of each data;
the system comprises an outdoor acquisition unit, an indoor acquisition unit, a data acquisition unit and a data acquisition unit, wherein the outdoor acquisition unit and the indoor acquisition unit are used for acquiring historical data of the outdoor acquisition unit and the indoor acquisition unit and comparing and analyzing the acquired data in real time to acquire whether potential state change exists or not;
the decision analysis module gives result data through the data trend analysis module to compare with the electrical characteristic library, analyzes the state information of each circuit, calls the expert library to analyze and identify, and gives related fault information through the fault positioning module; if the expert database has no relevant fault information, updating the expert database;
the outdoor acquisition unit is used for acquiring the working alternating current voltage and the working alternating current real-time quantity of the outdoor switch machine in a non-contact manner through the current sensing and voltage sensing unit; the current acquires the magnitude of the current passing through each cable, and data conversion is realized through the acquisition conditioning circuit.
The indoor collection unit include: alternating current-direct current voltage and alternating current-direct current collection unit, keep apart the modulate circuit, data acquisition submodule piece, data acquisition processing unit, communication unit, the power supply unit, supply with alternating current-direct current voltage and alternating current-direct current collection unit, keep apart modulate circuit, data acquisition submodule piece, data acquisition processing unit, the voltage that communication unit needs, communication unit and data acquisition processing unit interface connection, send the information acquisition of data acquisition processing unit to monitoring center management unit, because monitoring center management unit carries out analysis processes.
Indoor collection unit in alternating current-direct current voltage and alternating current-direct current collection unit include: the device comprises a plurality of alternating current and direct current voltage acquisition channels, 3 alternating current acquisition channels and a plurality of direct current acquisition channels; wherein multichannel alternating current-direct current voltage acquisition channel circuit among alternating current-direct current voltage and the alternating current-direct current collection unit includes: a thermistor, a fuse and a high-resistance voltage divider; the multi-channel alternating current and direct current voltage acquisition channels are arranged in the loops of the action voltage and the representation voltage of the switch machine and are respectively connected with the interfaces of the data acquisition submodule through the isolation conditioning circuit; the data acquisition submodule is connected with the data acquisition processing unit through an interface, and voltage sensing acquisition processing of action voltage and representation voltage of the switch machine is achieved.
The 3 paths of alternating current acquisition channels are connected with the data acquisition submodule through an isolation conditioning circuit; the data acquisition submodule is connected with the data acquisition processing unit through an interface, and the non-contact mode is adopted for the relay working current sensing and acquisition device of switch machine action current and switch combination.
The alternating current sensors in the 3 paths of alternating current acquisition channels are arranged on the excitation coils of the relays, and the health state of the relays and the states of other control contacts on the excitation control loops can be judged by acquiring the current of the excitation coils.
The multi-channel direct current acquisition channel is connected with the data acquisition submodule interface through the isolation conditioning circuit; the data acquisition submodule is connected with the data acquisition processing unit through an interface, and a plurality of direct current acquisition channels acquire the working current of the turnout combination relay; the switch machine action voltage and current sensing devices in the multiple direct current acquisition channels are arranged at the input end and the output end of the open-phase protector, the acquisition of action voltage and current is realized through the data acquisition submodule, and the acquired data are uploaded to the data acquisition and processing unit.
The outdoor acquisition unit comprises: the outdoor power supply comprises an outdoor current acquisition unit, an outdoor voltage acquisition unit, an acquisition conditioning circuit, an outdoor data acquisition processing unit, an outdoor communication unit and an outdoor power supply unit; the outdoor acquisition unit acquires four-wire system and five-wire system turnout alternating current voltage signals communicated to a turnout control circuit of the point switch through the outdoor current acquisition unit and the outdoor voltage acquisition unit; the outdoor current acquisition unit and the outdoor voltage acquisition unit are detected by adopting mutual inductors, so that the isolation from a detected circuit is effectively realized, wherein each current acquisition cable needs a current sensing device, and data conversion is realized through an acquisition conditioning circuit; two voltage sensing devices are needed for each pair of cables in voltage acquisition, data conversion is achieved through a differential operation circuit, data are processed and analyzed through a data acquisition and processing unit after conversion, actual voltage and current of each monitoring point are calculated, and data are transmitted to a monitoring center management unit through a communication unit.
The monitoring center management unit comprises: the monitoring center management unit collects data of the outdoor acquisition unit and the indoor acquisition unit through the data acquisition module interface, data analysis and processing are carried out through the data trend analysis module, state quantity of each data is given, whether potential state change exists through historical data comparison and analysis in the past or not is given, the strategy analysis module gives result data through the data trend analysis module to compare with the electrical characteristic library, state information of each circuit is analyzed, the expert library is called to carry out analysis and identification, relevant fault information is given through the fault positioning module, and if the expert library does not have relevant fault information, the expert library is updated.
The invention has the advantages that: the system comprises a monitoring center management unit, at least more than one outdoor acquisition unit and more than one indoor acquisition unit, wherein the outdoor acquisition unit and the indoor acquisition units are respectively connected with the monitoring center management unit through a network; the monitoring center management unit is used for acquiring data of the outdoor acquisition unit and the indoor acquisition unit, analyzing and processing the data through the data trend analysis module and giving the state quantity of each data; the system comprises an outdoor acquisition unit, an indoor acquisition unit, a data acquisition unit and a data acquisition unit, wherein the outdoor acquisition unit and the indoor acquisition unit are used for acquiring historical data of the outdoor acquisition unit and the indoor acquisition unit and comparing and analyzing the acquired data in real time to acquire whether potential state change exists or not; the decision analysis module gives result data through the data trend analysis module to compare with the electrical characteristic library, analyzes the state information of each circuit, calls the expert library to analyze and identify, and gives related fault information through the fault positioning module; and if the expert database has no relevant fault information, updating the expert database.
The method comprises the steps of sampling the current of an excitation loop of the combined relay through each direct current sensor, analyzing the health state of the relay by analyzing and comparing the current data with the standard working current in an electrical characteristic library of each relay; normalizing the data, drawing the action logic and a time sequence diagram of the turnout control circuit, analyzing and comparing the action real-time sequence with a standard time sequence in an electric characteristic library of the turnout control circuit to analyze faults, and giving out specific equipment with faults according to an analysis result; the voltage and the current of the turnout have relatively standard electrical characteristics in the action process, the time sequence and the electrical characteristics are compared and analyzed through the collected real-time voltage and current and the data of an electrical characteristic library, the trend change, the disconnection fault, the mixed line fault and the health state of the turnout action circuit are given out by combining the data of an expert library, and the fault equipment and the possible position information of the fault are given out according to the fault characteristics; the turnout indication circuit gives out position information of the turnout switch under the condition that the turnout switch does not act, the position information is important indication information for ensuring the safe passing of the train, the indoor and outdoor turnout indication sensing acquisition device is used for carrying out real-time indication voltage acquisition, and whether the turnout indication circuit is normal or not can be analyzed and the health state of the turnout indication circuit can be given out according to trend data by comparing and analyzing the turnout indication sensing acquisition device with the data of an electrical characteristic library and combining with the data of an expert library; the faults can be judged by fault analysis, such as circuit disconnection faults, mixed line faults, diode breakdown faults, relay faults, transformers and the like.
Drawings
The invention is further illustrated with reference to the accompanying drawings of embodiments:
FIG. 1 is a diagram of the overall architecture of the system;
FIG. 2 is a block diagram of a monitoring center management unit;
FIG. 3 is a functional block diagram of an outdoor acquisition unit;
FIG. 4 is a view of an acquisition sensing arrangement;
FIG. 5 is a block diagram of an indoor acquisition unit;
FIG. 6 is a layout diagram of the switch combined relay working current sensing device;
fig. 7 is a diagram of a switch machine action voltage current sensing arrangement.
In the figure: 1. a monitoring center management unit; 101. a data acquisition module; 102 a data trend analysis module; 103. an expert database; 104. an electrical characteristics repository; 105. a decision analysis module; 106 a fault location module; 2. an indoor acquisition unit; 201. an AC/DC voltage acquisition unit; 202. an isolation conditioning circuit; 203. a data acquisition submodule; 204. a data acquisition processing unit; 205. a communication unit; 206 a power supply unit; 207. a plurality of channels of alternating current and direct current voltage acquisition channels; 208. 3 paths of alternating current acquisition channels; 209. a plurality of direct current collecting channels; 3. an outdoor acquisition unit; 301. an outdoor current collecting unit; 302. an outdoor voltage acquisition unit; 303. a collecting and conditioning circuit; 304. an outdoor data acquisition and processing unit; 305. an outdoor communication unit; 306; an outdoor power supply unit.
Detailed Description
To further explain the technical means and effects of the present invention adopted to achieve the intended purpose, the following detailed description of the embodiments, structural features and effects of the present invention will be made with reference to the accompanying drawings and examples.
As shown in fig. 1, the present invention relates to a switch control circuit fault diagnosis system, including: the system comprises a monitoring center management unit 1, an indoor acquisition unit 2 and an outdoor acquisition unit 3, wherein the monitoring center management unit 1 comprises more than one outdoor acquisition unit 3 and more than one indoor acquisition unit 2, and the outdoor acquisition unit 3 and the indoor acquisition unit 2 are respectively in network connection with the monitoring center management unit 1 through a network; such as 2-1, 2-2, 2-n,3-1, 3-2, 3-n in the figure, respectively represent a plurality of indoor acquisition units 2 and outdoor acquisition units 3.
The monitoring center management unit 1 is used for acquiring data of the outdoor acquisition unit 3 and the indoor acquisition unit 2, analyzing and processing the data through the data trend analysis module, and providing state quantities of all the data;
the system is used for obtaining whether potential state change exists or not by obtaining historical data of the outdoor acquisition unit 3 and the indoor acquisition unit 2 and comparing and analyzing the data collected in real time;
the decision analysis module 105 provides result data through the data trend analysis module to compare with the electrical characteristic library, analyzes the state information of each circuit, calls an expert library to analyze and identify, and provides related fault information through the fault positioning module 106; and if the expert database does not have relevant fault information, updating the expert database.
As shown in fig. 2, the monitoring center management unit 1 mainly includes: the monitoring center management unit 1 collects data of the outdoor acquisition unit 3 and the indoor acquisition unit 2 through a data acquisition module interface 101, data analysis and processing are carried out through the data trend analysis module 102, state quantity of each data is given, whether potential state change exists through historical data comparison and analysis in the past or not is given, the decision analysis module 105 gives result data through the data trend analysis module 102 to compare with the electrical characteristic library 105, state information of each circuit is analyzed, the expert library 103 is called to carry out analysis and identification, relevant fault information is given through the fault positioning module 106, and if the expert library 103 does not have relevant fault information, the expert library is updated.
As shown in fig. 3, the outdoor acquisition unit 3 is used for acquiring real-time ac voltage and ac current of the outdoor switch machine through the current sensing and voltage sensing unit in a non-contact manner (to realize isolation from the circuit to be tested); the current acquires the magnitude of the current passing through each cable, and data conversion is realized through the acquisition conditioning circuit.
Two voltage sensing devices are needed for each pair of cables for voltage acquisition, and data conversion is realized through a differential operation circuit; and the converted data is subjected to data processing analysis through a data acquisition and processing unit, the actual voltage and current of each monitoring point are calculated, and the data are transmitted to a monitoring center management unit 1 through a communication unit.
As shown in fig. 3 and 4, the outdoor collecting unit 3 includes: the outdoor power supply comprises an outdoor current acquisition unit 301, an outdoor voltage acquisition unit 302, an acquisition conditioning circuit 303, an outdoor data acquisition processing unit 304, an outdoor communication unit 305 and an outdoor power supply unit 306; the outdoor acquisition unit 3 acquires four-wire system and five-wire system turnout alternating current voltage signals communicated to a turnout control circuit of the point switch through an outdoor current acquisition unit 301 and an outdoor voltage acquisition unit 302; the outdoor current acquisition unit 301 and the outdoor voltage acquisition unit 302 are detected by mutual inductors, and isolation from a detected circuit is effectively realized, wherein each current acquisition cable needs one current sensing device, data conversion is realized through an acquisition conditioning circuit, each voltage acquisition cable needs two voltage sensing devices, data conversion is realized through a differential operation circuit, data after conversion are subjected to data processing analysis through a data acquisition processing unit, actual voltage and current of each monitoring point are calculated, and data are transmitted to the monitoring center management unit 1 through a communication unit.
The sensing acquisition devices are arranged in a switch machine control circuit cable outdoor box, the switch machine fixed operation voltage, the reverse operation voltage, the positioning representation voltage and the reverse position representation voltage can be measured by the difference combination of the voltage acquisition devices, and the fixed operation current and the reverse operation current of the switch machine can be measured by the current acquisition devices.
As shown in fig. 5, the indoor collection unit 2 includes: alternating current-direct current voltage and alternating current-direct current acquisition unit 201, isolation conditioning circuit 202, data acquisition submodule 203, data acquisition processing unit 204, communication unit 205, power supply unit 206, supply with alternating current-direct current voltage and alternating current-direct current acquisition unit 201, isolation conditioning circuit 202, data acquisition submodule 203, data acquisition processing unit 204, the voltage that communication unit 205 needs, communication unit 205 and data acquisition processing unit 204 interface connection, send the information that data acquisition processing unit 204 gathered to monitoring center management unit 1, because monitoring center management unit 1 carries out analysis processes.
The alternating current-direct current voltage and alternating current-direct current acquisition unit 201 in the indoor acquisition unit 2 includes: a plurality of alternating current and direct current voltage acquisition channels 207, a 3-path alternating current acquisition channel 208 and a plurality of direct current acquisition channels 209;
wherein the multichannel alternating current-direct current voltage in alternating current-direct current voltage and the alternating current-direct current collection unit 201 gathers passageway 207 return circuit and includes: a thermistor, a fuse and a high-resistance voltage divider; the multi-path alternating current and direct current voltage acquisition channel 207 is arranged in a loop of the switch machine action voltage and the representation voltage, and the multi-path alternating current and direct current voltage acquisition channel 207 is connected with the data acquisition submodule 203 through an isolation conditioning circuit 202; the data acquisition submodule 203 is connected with the data acquisition processing unit 204 through an interface, and voltage sensing acquisition processing of action voltage and representation voltage of the switch machine is realized.
As shown in fig. 6, the 3-way ac current collection channel 208 is interfaced with the data collection submodule 203 via the isolation conditioning circuit 202; the data acquisition submodule 203 is connected with the data acquisition processing unit 204 through an interface, so that the non-contact mode is adopted for the relay working current sensing acquisition devices of the switch machine action current and switch combination.
The ac current sensors in the 3-way ac current collection channels 208 are disposed on the excitation coils of the relays, and by collecting the current of the excitation coils, the health status of the relays and the status of other control contacts on their excitation control loops can be determined.
As shown in fig. 7, the multiple direct current collecting channels 209 are connected to the data collecting submodule 203 via the isolation conditioning circuit 202; the data acquisition submodule 203 is connected with the data acquisition processing unit 204 through an interface, and the multi-path direct current acquisition channel 209 acquires the working current of the turnout combination relay.
The switch machine action voltage and current sensing devices in the multi-path direct current acquisition channel 209 are arranged at the input end and the output end of the open-phase protector, the acquisition of action voltage and current is realized through the data acquisition submodule, and the acquired data is uploaded to the data acquisition and processing unit.
The method is characterized in that fault diagnosis of a turnout control circuit is realized, various acquisition sensors are additionally arranged on an original turnout control circuit, direct current sensors are additionally arranged on a locking relay, a fixed operation relay, a reverse operation relay, a starting and repeating relay, two starting relays, a positioning and representing relay, a reverse position representing relay, a protection relay, a time relay and a representing transformer lamp of a turnout indoor control circuit, whether the working state and the action time sequence of each relay are normal is judged by acquiring the numerical values of the sensors, an action cable and an indication cable of a switcher in an outdoor switcher HZ-24 box are additionally provided with alternating current voltage and current sensors, the action current and the action voltage of the switcher can be measured in real time in the action process of the switcher, the indication voltage of the switcher can be measured by the voltage sensors after the switcher is in place, and the system can carry out fault diagnosis integrally by combining indoor and outdoor test data.
The action of each relay of the switch machine turnout control circuit has strict time sequence control and logic control, and the correct action of the switch machine can be ensured only if the action of each relay meets the time sequence requirement and the logic control requirement. The method comprises the steps of sampling the excitation loop current of the combined relay through each direct current sensor, analyzing the health state of the relay by comparing the current data with the standard working current in each relay electrical characteristic library, performing 1-step processing on the data, drawing an action logic and time sequence diagram of a turnout control circuit, analyzing and comparing the action real-time sequence with the standard time sequence in the turnout control circuit electrical characteristic library, performing fault analysis, and giving out specific equipment with faults according to the analysis result.
The voltage and the current of the turnout have relatively standard electrical characteristics in the action process, time sequence and electrical characteristic comparison analysis is carried out on the collected real-time voltage and current and electrical characteristic database data, expert database data are combined to give trend changes, disconnection faults, mixed line faults and health states of the turnout action circuit, and fault equipment and possible fault position information are given according to fault characteristics.
The turnout indication circuit gives out position information of the turnout machine under the condition that the turnout machine does not act, the position information is important indication information for ensuring the safe passing of the train, the indoor and outdoor turnout indication sensing acquisition devices are used for carrying out real-time voltage acquisition, and the turnout indication sensing acquisition devices can analyze whether the turnout indication circuit is normal or not and give out the health state of the turnout indication circuit according to trend data by comparing and analyzing the turnout indication sensing acquisition devices with data of an electrical characteristic library and combining data of an expert library; the faults can be judged by fault analysis, such as circuit disconnection faults, mixed line faults, diode breakdown faults, relay faults, transformers and the like.
Through the expert database provided by the system, the system can continuously improve the analysis and positioning of the fault according to the continuous perfection of the expert database of the fault occurring on site and the accumulation of trend data.
The invention can completely cover each equipment of the turnout control circuit, contrasts and analyzes the state parameter of each equipment with the electrical characteristic library, and provides related fault information by combining the expert library.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (8)
1. A switch control circuit fault diagnosis system is characterized in that: the method comprises the following steps: the system comprises a monitoring center management unit (1), indoor acquisition units (2) and outdoor acquisition units (3), wherein the monitoring center management unit (1) at least comprises more than one outdoor acquisition unit (3) and more than one indoor acquisition unit (2), and the outdoor acquisition units (3) and the indoor acquisition units (2) are respectively in network connection with the monitoring center management unit (1) through a network;
the monitoring center management unit (1) is used for acquiring data of the outdoor acquisition unit (3) and the indoor acquisition unit (2), analyzing and processing the data through the data trend analysis module (102) and giving state quantities of all the data;
the indoor acquisition unit is used for acquiring historical data of the outdoor acquisition unit (3) and the indoor acquisition unit (2) and comparing and analyzing the acquired data in real time to acquire whether potential state change exists or not;
the decision analysis module (105) gives result data through the data trend analysis module (102) to compare with the electrical characteristic library, analyzes the state information of each circuit, calls an expert library to analyze and identify, and gives related fault information through the fault positioning module (106); if the expert database has no relevant fault information, updating the expert database;
the outdoor acquisition unit (3) is used for acquiring the working alternating current voltage and the working alternating current real-time quantity of the outdoor switch machine in a non-contact manner through the current sensing and voltage sensing unit; the current acquires the magnitude of the current passing through each cable, and data conversion is realized through the acquisition conditioning circuit.
2. The switch control circuit fault diagnosis system according to claim 1, wherein: the indoor acquisition unit (2) comprises: alternating current-direct current voltage and alternating current-direct current collection unit (201), keep apart modulate circuit (202), data acquisition submodule piece (203), data acquisition processing unit (204), communication unit (205, power supply unit (206), supply with alternating current-direct current voltage and alternating current-direct current collection unit (201), keep apart modulate circuit (202), data acquisition submodule piece (203), data acquisition processing unit (204), the voltage that communication unit (205) needs, communication unit (205) and data acquisition processing unit (204) interface connection, send the information acquisition of data acquisition processing unit (204) for monitoring center management unit (1), because monitoring center management unit (1) carries out analysis processes.
3. The switch control circuit fault diagnosis system according to claim 1, wherein: indoor collection unit (2) in alternating current-direct current voltage and alternating current-direct current collection unit (201) include: a plurality of alternating current and direct current voltage acquisition channels (207), a 3-path alternating current acquisition channel (208) and a plurality of direct current acquisition channels (209); wherein the multichannel alternating current-direct current voltage in alternating current-direct current voltage and the alternating current-direct current collection unit (201) gathers passageway (207) return circuit and includes: a thermistor, a fuse and a high-resistance voltage divider; the switch machine action voltage and the voltage indicating loop are installed, a multi-path alternating current and direct current voltage acquisition channel (207) is installed in the switch machine action voltage and the voltage indicating loop, and the multi-path alternating current and direct current voltage acquisition channel (207) is connected with a data acquisition submodule (203) through an isolation conditioning circuit (202) respectively; the data acquisition submodule (203) is connected with the data acquisition processing unit (204) through an interface, and voltage sensing acquisition processing of action voltage and representation voltage of the switch machine is achieved.
4. The switch control circuit fault diagnosis system according to claim 3, wherein: the 3-path alternating current acquisition channel (208) is in interface connection with the data acquisition submodule (203) through the isolation conditioning circuit (202); the data acquisition submodule (203) is connected with the data acquisition processing unit (204) through an interface, so that the non-contact mode is adopted for the switch machine action current and switch combination relay working current sensing acquisition device.
5. The switch control circuit fault diagnosis system according to claim 3, wherein: an AC current sensor in a 3-way AC current collection channel (208) is arranged on an excitation coil of each relay, and by collecting the current of the excitation coil, the health state of the relay and the states of other control contacts on an excitation control loop of the relay can be judged.
6. The switch control circuit fault diagnosis system according to claim 3, wherein: the multi-channel direct current acquisition channel (209) is in interface connection with the data acquisition submodule (203) through the isolation conditioning circuit (202); the data acquisition submodule (203) is connected with the data acquisition processing unit (204) through an interface, and a plurality of direct current acquisition channels (209) acquire the working current of the turnout combination relay; switch machine action voltage and current sensing devices in the multi-path direct current acquisition channel (209) are arranged at the input end and the output end of the open-phase protector, the acquisition of action voltage and current is realized through a data acquisition submodule, and the acquired data is uploaded to a data acquisition and processing unit.
7. The switch control circuit fault diagnosis system according to claim 3, wherein: the outdoor acquisition unit (3) comprises: the outdoor power supply comprises an outdoor current acquisition unit (301), an outdoor voltage acquisition unit (302), an acquisition conditioning circuit (303), an outdoor data acquisition processing unit (304), an outdoor communication unit (305) and an outdoor power supply unit (306); the outdoor acquisition unit (3) acquires four-wire system and five-wire system turnout alternating current voltage signals communicated to a switch control circuit of the switch machine through an outdoor current acquisition unit (301) and an outdoor voltage acquisition unit (302); the outdoor current acquisition unit (301) and the outdoor voltage acquisition unit (302) adopt mutual inductors for detection, and the isolation between the outdoor current acquisition unit and a detected circuit is effectively realized, wherein each current acquisition cable needs one current sensing device, data conversion is realized through an acquisition and conditioning circuit, each pair of voltage acquisition cables needs two voltage sensing devices, data conversion is realized through a differential operation circuit, the converted data is subjected to data processing and analysis through a data acquisition and processing unit, the actual voltage and current of each monitoring point are calculated, and the data is transmitted to the monitoring center management unit (1) through a communication unit.
8. The switch control circuit fault diagnosis system according to claim 3, wherein: the monitoring center management unit (1) comprises: the monitoring center management unit (1) collects data of the outdoor acquisition unit (3) and the indoor acquisition unit (2) through a data acquisition module interface (101), the data trend analysis module (102) is used for analyzing and processing the data to give state quantity of each data, whether potential state change exists through comparison and analysis of historical data in the past or not, the decision analysis module (105) gives result data through the data trend analysis module (102) to compare with the electrical characteristic library (105) to analyze state information of each circuit, the expert library (103) is called to analyze and recognize, relevant fault information is given through the fault positioning module (106), and if the expert library (103) does not have relevant fault information, the expert library is updated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211689224.9A CN115817575A (en) | 2022-12-28 | 2022-12-28 | Turnout control circuit fault diagnosis system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211689224.9A CN115817575A (en) | 2022-12-28 | 2022-12-28 | Turnout control circuit fault diagnosis system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115817575A true CN115817575A (en) | 2023-03-21 |
Family
ID=85518692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211689224.9A Pending CN115817575A (en) | 2022-12-28 | 2022-12-28 | Turnout control circuit fault diagnosis system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115817575A (en) |
-
2022
- 2022-12-28 CN CN202211689224.9A patent/CN115817575A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102218268B1 (en) | Substation Automation Operating Device Equipped with Automatic Generation of Failure Judgment and Failure Recovery Scenarios | |
| CN101893667B (en) | Fault detection system of AC turnout switch machine and method thereof | |
| CN108072806B (en) | Track circuit fault diagnosis system and method | |
| CN105759200B (en) | A kind of load ratio bridging switch working condition on-line monitoring and method for early warning | |
| CN107749667B (en) | Real-time monitoring method for information and state of intelligent substation protection pressing plate | |
| CN109724792A (en) | A kind of high-voltage switch cabinet breaker mechanical property detection method | |
| CN111596171A (en) | Intelligent distribution network fault diagnosis and positioning integrated system under artificial intelligence deep learning | |
| CN106291230A (en) | A kind of Multifunctional power cable fault location on-line monitoring system | |
| CN104228882A (en) | Outdoor track circuit integrated monitoring system and method | |
| CN105044554A (en) | Power grid fault detection and diagnosis method | |
| CN105573283B (en) | The foundation in substation equipment function association storehouse and the filter method of event correlation information group | |
| CN110208625B (en) | Hump signal equipment online monitoring system and switch machine online monitoring method | |
| CN113525463B (en) | High-speed rail signal interlocking relation real-time analysis method | |
| CN207382059U (en) | Straight-flow system busbar and feeder line branch switch condition monitoring system | |
| CN212134837U (en) | Subway shielded door monitoring system | |
| CN111983512A (en) | Line grounding device monitoring system and method | |
| EP2181907B1 (en) | Points diagnosis system | |
| CN111369020B (en) | Automatic control system and method for cascade hydropower station group control signals | |
| CN115817575A (en) | Turnout control circuit fault diagnosis system | |
| CN217415768U (en) | 25-cycle phase-sensitive track circuit comprehensive monitoring and diagnosis system | |
| CN103280887A (en) | Intelligent alarm and fault diagnosis system for transformer substation and scheduling center | |
| CN110920670A (en) | Outdoor monitoring and diagnosing system for track circuit | |
| CN113954918A (en) | Outdoor monitoring system of track circuit in station | |
| CN210376538U (en) | Online monitoring system for hump signal equipment | |
| SK288184B6 (en) | Method of detecting operational status of railway points |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |