CN116482457A - Intelligent turnout diagnosis method based on relay interlocking - Google Patents
Intelligent turnout diagnosis method based on relay interlocking Download PDFInfo
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- CN116482457A CN116482457A CN202310303604.2A CN202310303604A CN116482457A CN 116482457 A CN116482457 A CN 116482457A CN 202310303604 A CN202310303604 A CN 202310303604A CN 116482457 A CN116482457 A CN 116482457A
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000003068 static effect Effects 0.000 claims abstract description 41
- 230000015556 catabolic process Effects 0.000 claims description 4
- 238000002405 diagnostic procedure Methods 0.000 claims description 4
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
- B61L5/06—Electric devices for operating points or scotch-blocks, e.g. using electromotive driving means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/005—Testing of electric installations on transport means
- G01R31/008—Testing of electric installations on transport means on air- or spacecraft, railway rolling stock or sea-going vessels
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- 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
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Abstract
The invention discloses a turnout intelligent diagnosis method based on relay interlocking, which comprises the following steps: receiving switch indication voltage, switch action curve and switch relay state message to analyze, and carrying out structural treatment on the analyzed information and storing the information into a database; analyzing the state of 1DQJ in the database, and executing a dynamic diagnosis step or a static diagnosis step according to whether 1DQJ is sucked up; in the static diagnosis step, data are read at fixed time, and positioning static diagnosis logic is executed when the 1DQJ state is falling and the DBJ state is sucking, and the positioning static diagnosis logic performs diagnosis according to the fixed-table direct-current voltage and alternating-current voltage values; entering a reversed static diagnosis logic when the 1DQJ state is falling and the FBJ state is sucking, and diagnosing according to the reversed direct-current voltage and alternating-current voltage value; in the dynamic diagnosis step, corresponding diagnosis logic is executed according to the rotation position of the turnout action curve. The invention can diagnose the turnout fault in a high-efficiency, objective and durable way.
Description
Technical Field
The invention relates to the field of urban rail transit, in particular to a turnout intelligent diagnosis method based on relay interlocking.
Background
A switch is a line connection device that allows a rail transit vehicle to pass from one track to another track, and that can fully exploit the passage capacity of the line. The turnout is originally manually switched and is now controlled by a computer.
Because the turnout belongs to a key node of the lane change between the stock lanes, the lane change is not allowed to fail, otherwise, the derailment of the train is possibly caused, so that the electrical control of the turnout needs to be ensured in case of no loss, and the turnout fault needs to be diagnosed and the fault is removed in time.
The control of switch mainly relies on the relay, and traditional switch fault diagnosis relies on the manual work to inspect: 1. manually confirming the state of the relay; 2. manual vehicle line distribution board voltage; 3. manual voltage to the outdoor vehicle cable. The manual inspection method has low fault diagnosis efficiency, and is greatly influenced by subjective factors such as experience and concentration.
Disclosure of Invention
The invention aims at: aiming at the problems, the intelligent turnout diagnosis method based on relay interlocking is provided to objectively and efficiently complete turnout fault diagnosis.
The technical scheme adopted by the invention is as follows:
a turnout intelligent diagnosis method based on relay interlocking comprises the following steps:
receiving switch indication voltage, switch action curve and switch relay state message to analyze, and carrying out structural treatment on the analyzed information and storing the information into a database;
analyzing the state of 1DQJ in the database, and executing a dynamic diagnosis step or a static diagnosis step according to whether 1DQJ is sucked up; wherein,,
in the static diagnosis step, positioning static diagnosis logic or inversion static diagnosis logic is executed according to the 1DQJ state and the sucking/dropping states of the DBJ state and the FBJ state;
in the dynamic diagnosis step, corresponding diagnosis logic is executed according to the rotation position of the turnout action curve.
Preferably, in the static diagnosis step, 1DQJ state and DBJ and FBJ states are read from the database at a time to judge so as to execute positioning static diagnosis logic or inversion static diagnosis logic.
Preferably, in the static diagnosis step, if the 1DQJ state is falling and the DBJ state is sucking, positioning static diagnosis logic is executed, and the positioning static diagnosis logic performs diagnosis according to the fixed-table dc voltage and ac voltage values; the 1DQJ state is falling and the FBJ state is sucking, then entering into the inversion static diagnosis logic, and diagnosing according to the inversion direct-current voltage and alternating-current voltage values.
Preferably, in the dynamic diagnosis step, corresponding diagnosis logic is executed according to the switch action position from positioning rotation to reverse position, positioning rotation to fault position, reverse position rotation to positioning, or reverse position rotation to fault position.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. the intelligent diagnosis is carried out by the aid of the computer through the voltage and current data of the switch which are collected through the relay interlocking, the collected data are comprehensive and durable, the whole period diagnosis can be carried out on the switch, manual intervention is not needed in the diagnosis process, and the diagnosis result is objective.
2. The method and the device analyze the voltage and current data of the turnout by means of the computer to diagnose the turnout faults, do not need to manually collect and analyze the data one by one, have high efficiency in the diagnosis process, save labor cost and greatly shorten the fault checking time.
3. According to the invention, the fault range can be given out and the fault circuit diagram can be dynamically displayed according to the analyzed data and the diagnosis result, so that the fault point can be conveniently positioned and repaired.
Drawings
The invention will now be described by way of example and with reference to the accompanying drawings in which:
FIG. 1 is a flow chart of a switch intelligent diagnostic method based on relay interlocking.
Detailed Description
All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.
Any feature disclosed in this specification (including any accompanying claims, abstract) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise.
The whole solution idea of the intelligent diagnosis method of the turnout is as follows:
1. alarm logic judgment: three categories are classified according to acquisition sources, namely: dynamic and static faults and anomalies, abnormal notch alarms and overrun of the switch machine. Dynamic class, static class faults and anomalies are judged based on action curves (action current curves and power curves) and representation voltages; judging the notch abnormality alarm according to notch data of notch monitoring; and the overrun of the switch machine action times is judged according to the statistics of the switch machine action times.
2. The dynamic fault judgment is divided into positioning to position, positioning to fault position, reversed positioning to fault position according to the switch action position (switch action curve), and reversed positioning to positioning according to the switch action position; and the static type faults and the abnormal judgment are judged by representing voltage monitoring.
3. The fault alarm logic judges the switch losing list, and the alarms judged by the fault are I-type alarms. And the abnormal alarm logic judges that the fault data is abnormal, but no meter losing condition is caused.
The I type alarm has uniqueness, namely, only one alarm is given at the same time of failure. The abnormal class alarms are not unique, and a plurality of abnormal class alarms can exist. I. And II, III, alarming.
Referring to fig. 1, the intelligent switch diagnosis method based on relay interlocking comprises the following steps:
1. the microcomputer monitors and sends switch indication voltage, switch action curve and switch relay state message to the fault diagnosis system.
2. The fault diagnosis system receives the switch indication voltage, switch action curve and switch relay state message sent by microcomputer monitoring, then analyzes the switch indication voltage, switch action curve and switch relay state message, and constructs the analyzed information and stores the information into a database.
3. And diagnosing the turnout according to the data recorded in the database.
1DQJ (relay) state in the database is analyzed to determine whether 1DQJ is sucked up, and if there is suction up, dynamic diagnosis is performed, and if there is no suction up, static diagnosis is performed.
4. Static diagnostic procedure
The 1DQJ state and the DBJ, FBJ states are read from the database every 2 seconds (or other period). Based on the 1DQJ state and the pull-up/down state of the DBJ, FBJ states, either a locating static diagnostic logic or a flip static diagnostic logic is performed. The method comprises the steps that when a 1DQJ state is falling and a DBJ state is sucking, positioning static diagnosis logic is executed, and the positioning static diagnosis logic performs diagnosis according to a fixed-table direct-current voltage and alternating-current voltage value; the 1DQJ state is falling and the FBJ state is sucking, then entering into the inversion static diagnosis logic, and diagnosing according to the inversion direct-current voltage and alternating-current voltage values.
1. If the state of the current acquisition time point 1DQJ is falling and the DBJ state is sucking, entering a positioning static diagnosis logic, and acquiring the direct current voltage and the alternating current voltage values of the fixed table.
1) Judging whether the fixed-table direct-current voltage is 28V-40V or not, judging whether the fixed-table alternating-current voltage is 65V-75V or not, and outputting a diagnosis result if the condition is met: "indoor means that the relay branch is open (X4 indoor disconnection)".
2) Judging whether the fixed-table direct-current voltage is between 0 and 0.5V and whether the fixed-table alternating-current voltage is between 17 and 24V, and outputting a diagnosis result if the condition is met: "outdoor diode short".
3) Judging whether the fixed-table direct-current voltage is between 0 and 0.5V, judging whether the fixed-table alternating-current voltage is between 100 and 120V, and outputting a diagnosis result if the condition is met: an "outdoor diode branch open (outdoor X2 open) or X1 outdoor open".
4) Judging whether the fixed-table direct-current voltage is between 0 and 0.5V, judging whether the fixed-table alternating-current voltage is between 0 and 0.5V, and outputting a diagnosis result if the condition is met: "1. Indoor indicates a circuit failure 2. Outdoor relay branch disconnection (X4 outdoor disconnection)".
5) Judging whether the fixed-table direct-current voltage is 2V-5V or not, judging whether the fixed-table alternating-current voltage is 2V-5V or not, and outputting a diagnosis result if the condition is met: "indoor diode branch open (indoor X2 broken)".
6) Judging whether the fixed-table direct-current voltage is 28V-40V, judging whether the fixed-table alternating-current voltage is 40V-51V, and outputting a diagnosis result if the condition is met: "outdoor resistor short".
7) Judging whether the fixed-table direct-current voltage is 15V-21V or not, judging whether the fixed-table alternating-current voltage is 65V-75V or not, and outputting a diagnosis result if the condition is met: "there is an open circuit in the outdoor double resistor".
Except for the above-described locating static diagnostic case, the rest are considered normal.
2. If the current acquisition time point 1DQJ state is falling and the FBJ state is sucking, entering a reversed static diagnosis logic, and acquiring the direct current voltage and the alternating current voltage values of the reversed table at the moment.
1) Judging whether the reverse-table direct-current voltage is 28V-40V or not, judging whether the reverse-table alternating-current voltage is 65V-75V or not, and outputting a diagnosis result if the conditions are met: "indoor means that the relay branch is open (X5 indoor disconnection)".
2) Judging whether the reverse-table direct-current voltage is between 0 and 0.5V and whether the reverse-table alternating-current voltage is between 17 and 24V, and outputting a diagnosis result if the conditions are met: "outdoor diode short".
3) Judging whether the reverse-table direct-current voltage is between 0 and 0.5V, judging whether the reverse-table alternating-current voltage is between 100 and 120V, and outputting a diagnosis result if the conditions are met: an "outdoor diode branch open (outdoor X3 open) or X1 outdoor open".
4) Judging whether the reverse-table direct-current voltage is between 0 and 0.5V, judging whether the reverse-table alternating-current voltage is between 0 and 0.5V, and outputting a diagnosis result if the condition is met: "1. Indoor indicates a circuit failure 2. Outdoor relay branch disconnection (X5 outdoor disconnection)".
5) Judging whether the reverse-table direct-current voltage is 2V-5V or not, judging whether the reverse-table alternating-current voltage is 2V-5V or not, and outputting a diagnosis result if the condition is met: "indoor diode branch open (indoor X3 broken)".
6) Judging whether the reverse-table direct-current voltage is 28V-40V or not, judging whether the reverse-table alternating-current voltage is 40V-51V or not, and outputting a diagnosis result if the conditions are met: "outdoor resistor short".
7) Judging whether the reverse-table direct-current voltage is 15-21V or not, judging whether the reverse-table alternating-current voltage is 65-75V or not, and outputting a diagnosis result if the conditions are met: "there is an open circuit in the outdoor double resistor".
Except for the above-mentioned inversion static diagnosis, the rest were considered normal.
5. Dynamic diagnostic procedure
1. The switch action curve is read from the database.
2. Judging the rotation position of a turnout action curve, and entering different dynamic diagnosis logics according to different rotation positions: and executing corresponding diagnosis logic according to the change of the switch action position from positioning to reverse position, positioning to fault position, reverse position to positioning or reverse position to fault position.
3. Case one, positioning rotation to reverse position:
1) Judging whether the switch action curves of the group have A, B phase front small steps, and if so, performing the next step judgment.
2) Judging whether the respective maximum current values in the three-phase current curves A, B and C of the group are all larger than the set maximum current standard value, and if the conditions are met, performing the next judgment.
3) Judging whether the switch action curves of the group have A, C phase rear small steps, and if so, performing the next step judgment.
4) It is determined whether the A, C phase front small step value is greater than 0.9 amp, or whether the A, C phase rear small step value is greater than 0.9 amp.
5) Judging whether the inverse table direct current voltage value is within 28V-40V at the current acquisition time point and whether the inverse table alternating current voltage value is within 40V-51V or not if the condition (4) is met, and outputting a diagnosis result if the condition (4) is met: "outdoor resistor short".
6) Judging whether the value of the small step before A, C phase is 0-0.3 ampere or whether the value of the small step after A, C phase is 0-0.3 ampere.
7) Judging whether the inverse table direct current voltage value is within 15V-21V at the current acquisition time point and whether the inverse table alternating current voltage value is within 65V-75V or not if the condition (6) is met, and outputting a diagnosis result if the condition (6) is met: "there is an open circuit in the outdoor double resistor".
And II, positioning and rotating to a fault position:
1) Judging whether the switch action curve of the group has A, B phase front small steps or not.
2) And (5) judging whether the values of the A, B, C three-phase current curves are all zero if the condition (1) is not satisfied.
3) And (2) if the condition (2) is satisfied, outputting a diagnosis result: "DBQ failure".
4) And (2) failing to satisfy the condition, judging whether the A, B phase current curve values are all within 0.4-0.6 ampere in 0.3 seconds.
5) And (4) judging whether the maximum values of the A, B phase current curves are all larger than the set maximum current standard value and the maximum value of the C phase current curve is smaller than 0.2 ampere, and outputting a diagnosis result if the condition is satisfied: "X3 broken wire".
6) And (4) failing to satisfy the condition, judging whether the A, C phase current curve values are all within 0.4-0.6 ampere in 0.3 seconds.
7) And (6) meeting the condition, judging whether the maximum values of the A, C phase current curves are all larger than the set maximum current standard value, and if the maximum values of the B phase current curves are smaller than 0.2 ampere, outputting a diagnosis result: "indoor X4-1DQJF-2DQJ111-113".
8) And (3) judging whether the maximum current values of the three-phase current curves A, B and C in the group are all larger than the set maximum current standard value or not when the condition (1) is met, and if the condition is met, carrying out the next judgment.
9) Judging whether the switch action curve of the group has A, C phase rear small steps.
10 If the condition (9) is met, judging whether the inverse table direct current voltage value is within 0V-0.2V at the current acquisition time point, and whether the inverse table alternating current voltage value is within 0V-0.2V, and if the condition is met, outputting a diagnosis result: "indoor means a circuit fault or X5 outdoor partial open circuit".
11 If the condition (9) is met, judging whether the inverse table direct current voltage value at the current acquisition time point is within 28V-40V, and whether the inverse table alternating current voltage value is within 65V-75V, and if the condition is met, outputting a diagnosis result: "flip bit" indicates that the indoor circuit X5 is partially open.
12 If condition (9) is satisfied), then a determination is made as to whether the A, B phase front small step value is greater than 0.9 amp, or whether the A, C phase rear small step value is greater than 0.9 amp.
13 If the condition (12) is met, judging whether the inverse table direct current voltage value at the current acquisition time point is within 0V-0.2V, and whether the inverse table alternating current voltage value is within 17V-25V, and if the condition is met, outputting a diagnosis result: "outdoor diode short circuit or breakdown".
14 If the condition (9) is not satisfied, judging whether the inverse table direct current voltage value is within 0V-0.5V at the current acquisition time point and whether the inverse table alternating current voltage value is within 0V-0.3V.
15 And (4) judging whether the action duration of the turnout curve of the group is smaller than or equal to the set reference curve duration or not if the condition (14) is satisfied.
16 If condition (15) is satisfied), outputting a diagnosis result: "1DQJ self-closing circuit open [ switch not unlocked ] or flip bit indicates that circuit X5 is partially broken or DBQ is not output.
17 If condition (15) is not satisfied), outputting a diagnosis result: "1. Switch cannot be normally unlocked or locked (blocked) 2. Flip indicates that circuit X5 is partially broken.
18 If the condition (9) is not satisfied, judging whether the inverse table direct current voltage value is within 0V-0.2V and whether the inverse table alternating current voltage value is within 99V-121V at the current acquisition time point.
19 If the condition (18) is met, judging whether the action duration of the turnout curve of the group is less than or equal to the set reference curve duration, and if the condition is met, outputting a diagnosis result: "outdoor card notch".
Case three, reverse rotation to position:
1) Judging whether the switch action curves of the group have A, C phase front small steps, and if so, performing the next step judgment.
2) Judging whether the respective maximum current values in the three-phase current curves A, B and C of the group are all larger than the set maximum current standard value, and if the conditions are met, performing the next judgment.
3) Judging whether the switch action curves of the group have A, B phase rear small steps, and if so, performing the next step judgment.
4) It is determined whether the A, B phase front small step value is greater than 0.9 amp, or whether the A, C phase rear small step value is greater than 0.9 amp.
5) Judging whether the direct current voltage value of the fixed table at the current acquisition time point is within 28V-40V or not and whether the alternating current voltage value of the fixed table is within 40V-51V or not if the condition (4) is met, and outputting a diagnosis result if the condition (4) is met: "outdoor resistor short".
6) Judging whether the value of the small step before A, B phase is 0-0.3 ampere or whether the value of the small step after A, C phase is 0-0.3 ampere.
7) Judging whether the direct current voltage value of the fixed table at the current acquisition time point is within 15V-21V or not and whether the alternating current voltage value of the fixed table is within 65V-75V or not if the condition (6) is met, and outputting a diagnosis result if the condition (6) is met: "there is an open circuit in the outdoor double resistor".
And fourthly, rotating the inversion bit to a fault bit:
1) Judging whether the switch action curve of the group has A, C phase front small steps or not.
2) And (5) judging whether the values of the A, B, C three-phase current curves are all zero if the condition (1) is not satisfied.
3) And (2) if the condition (2) is satisfied, outputting a diagnosis result: "DBQ failure".
4) And (2) failing to satisfy the condition, judging whether the A, B phase current curve values are all within 0.4-0.6 ampere in 0.3 seconds.
5) And (4) judging whether the maximum values of the A, B phase current curves are all larger than the set maximum current standard value and the maximum value of the C phase current curve is smaller than 0.2 ampere, and outputting a diagnosis result if the condition is satisfied: "indoor X5-2 DQJ 121-122-FBJ 4 off".
6) And (4) failing to satisfy the condition, judging whether the A, C phase current curve values are all within 0.4-0.6 ampere in 0.3 seconds.
7) And (6) meeting the condition, judging whether the maximum values of the A, C phase current curves are all larger than the set maximum current standard value, and if the maximum values of the B phase current curves are smaller than 0.2 ampere, outputting a diagnosis result: "X2 broken wire".
8) And (3) judging whether the maximum current values of the three-phase current curves A, B and C in the group are all larger than the set maximum current standard value or not when the condition (1) is met, and if the condition is met, carrying out the next judgment.
9) Judging whether the switch action curve of the group has A, B phase rear small steps.
10 If the condition (9) is met, judging whether the direct current voltage value of the fixed table at the current acquisition time point is within 0V-0.2V, and whether the alternating current voltage value of the fixed table is within 0V-0.2V, and if the condition is met, outputting a diagnosis result: "indoor" means a circuit failure or an outdoor part of the circuit X4 is open.
11 If the condition (9) is met, judging whether the direct current voltage value of the fixed table at the current acquisition time point is within 28V-40V, and whether the alternating current voltage value of the fixed table is within 65V-75V, and if the condition is met, outputting a diagnosis result: "positioning" means that the indoor circuit X4 is partially open.
12 If condition (9) is satisfied), then a determination is made as to whether the A, B phase front small step value is greater than 0.9 amp or the A, C phase rear small step value is greater than 0.9 amp.
13 If the condition (12) is satisfied, judging whether the direct current voltage value of the fixed table at the current acquisition time point is within 0V-0.2V, and whether the alternating current voltage value of the fixed table is within 17V-25V, and if the condition is satisfied, outputting a diagnosis result: "outdoor diode short circuit or breakdown".
14 If the condition (9) is not satisfied, judging whether the direct current voltage value of the fixed table at the current acquisition time point is within 0V-0.5V, and whether the alternating current voltage value of the fixed table is within 0V-0.3V.
15 And (4) judging whether the action duration of the turnout curve of the group is smaller than or equal to the set reference curve duration or not if the condition (14) is satisfied.
16 If condition (15) is satisfied), outputting a diagnosis result: "1DQJ self-closing circuit open [ switch not unlocked") or positioning indicates that circuit X4 is partially open.
17 If condition (15) is not satisfied), outputting a diagnosis result: and 1, the turnout is started and cannot be normally unlocked 2, and the positioning indicates that the circuit X4 is partially broken.
18 If the condition (9) is not satisfied, judging whether the direct current voltage value of the fixed table at the current acquisition time point is within 0V-0.2V and whether the alternating current voltage value of the fixed table is within 99V-121V.
19 If the condition (18) is met, judging whether the action duration of the turnout curve of the group is less than or equal to the set reference curve duration, and if the condition is met, outputting a diagnosis result: "outdoor card notch".
Except for the above dynamic diagnostic cases, the rest were considered normal.
6. And if the diagnosis result is abnormal, generating alarm information, and if the diagnosis result is abnormal, entering a step III to carry out next cycle judgment.
The invention is not limited to the specific embodiments described above. The invention extends to any novel one, or any novel combination, of the features disclosed in this specification, as well as to any novel one, or any novel combination, of the steps of the method or process disclosed.
Claims (10)
1. A turnout intelligent diagnosis method based on relay interlocking is characterized by comprising the following steps:
receiving switch indication voltage, switch action curve and switch relay state message to analyze, and carrying out structural treatment on the analyzed information and storing the information into a database;
analyzing the state of 1DQJ in the database, and executing a dynamic diagnosis step or a static diagnosis step according to whether 1DQJ is sucked up; wherein,,
in the static diagnosis step, positioning static diagnosis logic or inversion static diagnosis logic is executed according to the 1DQJ state and the sucking/dropping states of the DBJ state and the FBJ state;
in the dynamic diagnosis step, corresponding diagnosis logic is executed according to the rotation position of the turnout action curve.
2. The intelligent diagnosis method for turnout based on relay interlocking according to claim 1, wherein in the static diagnosis step, 1DQJ state and DBJ and FBJ states are read from a database at regular time to judge.
3. The intelligent diagnosis method for turnout based on relay interlocking according to claim 1 or 2, wherein in the static diagnosis step, the 1DQJ state is falling and the DBJ state is sucking, a positioning static diagnosis logic is executed, and the positioning static diagnosis logic performs diagnosis according to the fixed-table direct-current voltage and alternating-current voltage values; the 1DQJ state is falling and the FBJ state is sucking, then entering into the inversion static diagnosis logic, and diagnosing according to the inversion direct-current voltage and alternating-current voltage values.
4. The switch intelligent diagnosis method based on relay interlocking as set forth in claim 3, wherein said positioning static diagnosis logic comprises:
1) Judging whether the meter direct current voltage is 28V-40V, judging whether the meter alternating current voltage is 65V-75V, and outputting a diagnosis result if the conditions are met: "indoor means relay branch open/X4 indoor broken.
2) Judging whether the meter direct current voltage is 0V-0.5V, judging whether the meter alternating current voltage is 17V-24V, and outputting a diagnosis result if the conditions are met: "outdoor diode short";
3) Judging whether the meter direct current voltage is between 0 and 0.5V, judging whether the meter alternating current voltage is between 100 and 120V, and outputting a diagnosis result if the conditions are met: "outdoor diode branch open/outdoor X2 open, or X1 outdoor open";
4) Judging whether the meter direct current voltage is 0V-0.5V, judging whether the meter alternating current voltage is 0V-0.5V, and outputting a diagnosis result if the conditions are met: '1. Indoor represents circuit fault 2. Outdoor relay branch disconnection/X4 outdoor disconnection';
5) Judging whether the meter direct current voltage is 2V-5V, judging whether the meter alternating current voltage is 2V-5V, and outputting a diagnosis result if the conditions are met: "indoor diode branch open/indoor X2 broken";
6) Judging whether the meter direct current voltage is 28V-40V, judging whether the meter alternating current voltage is 40V-51V, and outputting a diagnosis result if the conditions are met: "outdoor resistance short";
7) Judging whether the meter direct current voltage is 15V-21V, judging whether the meter alternating current voltage is 65V-75V, and outputting a diagnosis result if the conditions are met: "there is an open circuit in the outdoor double resistor".
5. The switch intelligent diagnostic method based on relay interlocking as claimed in claim 3, wherein said inversion static diagnostic logic comprises:
1) Judging whether the reverse-table direct-current voltage is 28V-40V, judging whether the reverse-table alternating-current voltage is 65V-75V, and outputting a diagnosis result if the conditions are met: "indoor represents relay branch open/X5 indoor broken)";
2) Judging whether the reverse-table direct-current voltage is between 0 and 0.5V, judging whether the reverse-table alternating-current voltage is between 17 and 24V, and outputting a diagnosis result if the conditions are met: "outdoor diode short";
3) Judging whether the reverse-table direct-current voltage is between 0 and 0.5V, judging whether the reverse-table alternating-current voltage is between 100 and 120V, and outputting a diagnosis result if the conditions are met: "outdoor diode branch open/outdoor X3 open, or X1 outdoor open";
4) Judging whether the reverse-table direct-current voltage is between 0 and 0.5V, and whether the reverse-table alternating-current voltage is between 0 and 0.5V, and outputting a diagnosis result if the conditions are met: '1. Indoor represents circuit fault 2. Outdoor relay branch disconnection/X5 outdoor disconnection';
5) Judging whether the reverse-table direct-current voltage is 2V-5V or not, and whether the reverse-table alternating-current voltage is 2V-5V or not, and outputting a diagnosis result if the conditions are met: "indoor diode branch open/indoor X3 broken";
6) Judging whether the reverse-table direct-current voltage is 28V-40V, judging whether the reverse-table alternating-current voltage is 40V-51V, and outputting a diagnosis result if the conditions are met: "outdoor resistance short";
7) Judging whether the reverse-table direct-current voltage is 15V-21V or not, judging whether the reverse-table alternating-current voltage is 65V-75V or not, and outputting a diagnosis result if the conditions are met: "there is an open circuit in the outdoor double resistor".
6. The intelligent diagnosis method for turnout based on relay interlocking according to claim 1, wherein in the dynamic diagnosis step, corresponding diagnosis logic is executed according to the turnout action position from positioning rotation to inversion, positioning rotation to fault position, inversion rotation to positioning, or inversion rotation to fault position.
7. The intelligent diagnosis method for a switch based on relay interlocking according to claim 6, wherein the dynamic diagnosis step comprises:
1) Judging whether the switch action curves of the group have A, B phase front small steps, if so, performing the next step;
2) Judging whether the respective maximum current values in the three-phase current curves of the group A, B, C are all larger than the set maximum current standard value, and if the conditions are met, performing the next step of judgment;
3) Judging whether the switch action curves of the group have A, C phase rear small steps, if so, performing the next step;
4) Judging whether the A, C phase front small step value is larger than 0.9 ampere or whether the A, C phase rear small step value is larger than 0.9 ampere;
5) Judging whether the inverse table direct current voltage value is within 28V-40V at the current acquisition time point and whether the inverse table alternating current voltage value is within 40V-51V or not if the condition (4) is met, and outputting a diagnosis result if the condition (4) is met: "outdoor resistance short";
6) Judging whether the value of the small step before A, C phase is 0-0.3 ampere or whether the value of the small step after A, C phase is 0-0.3 ampere;
7) Judging whether the inverse table direct current voltage value is within 15V-21V at the current acquisition time point and whether the inverse table alternating current voltage value is within 65V-75V or not if the condition (6) is met, and outputting a diagnosis result if the condition (6) is met: "there is an open circuit in the outdoor double resistor".
8. The intelligent diagnosis method for a switch based on relay interlocking according to claim 6, wherein the dynamic diagnosis step comprises:
1) Judging whether the switch action curves of the group have A, B phase front small steps or not;
2) If the condition (1) is not satisfied, judging whether the values of the A, B, C three-phase current curves are all zero;
3) And (3) if the condition (2) is satisfied, outputting a diagnosis result: "DBQ failure";
4) Failing to meet the condition (2), judging whether A, B phase current curve values are all within 0.4-0.6 ampere in 0.3 seconds;
5) And (4) judging whether the maximum values of the A, B phase current curves are all larger than the set maximum current standard value and the maximum value of the C phase current curve is smaller than 0.2 ampere, and outputting a diagnosis result if the condition is satisfied: x3 broken line;
6) Failing to meet the condition (4), judging whether A, C phase current curve values are all within 0.4-0.6 ampere in 0.3 seconds;
7) And (3) meeting the condition (6), judging whether the maximum values of the A, C phase current curves are all larger than the set maximum current standard value, and if the maximum values of the B phase current curves are smaller than 0.2 ampere, outputting a diagnosis result: "indoor X4-1DQJF-2DQJ111-113";
8) The method comprises the steps of (1) judging whether the respective maximum current values in the set A, B, C three-phase current curves are all larger than a set maximum current standard value or not, and if the condition is met, performing the next judgment;
9) Judging whether the group of turnout action curves have A, C-phase rear small steps or not;
10 If the condition (9) is met, judging whether the inverse table direct current voltage value is within 0V-0.2V at the current acquisition time point, and whether the inverse table alternating current voltage value is within 0V-0.2V, and if the condition is met, outputting a diagnosis result: "indoor indicates a circuit fault or X5 outdoor partial open circuit";
11 If the condition (9) is met, judging whether the inverse table direct current voltage value at the current acquisition time point is within 28V-40V, and whether the inverse table alternating current voltage value is within 65V-75V, and if the condition is met, outputting a diagnosis result: "flip bit indicates that the indoor circuit X5 is partially open";
12 If condition (9) is satisfied, judging whether the A, B phase front small step value is larger than 0.9 ampere or whether the A, C phase rear small step value is larger than 0.9 ampere;
13 If the condition (12) is met, judging whether the inverse table direct current voltage value at the current acquisition time point is within 0V-0.2V, and whether the inverse table alternating current voltage value is within 17V-25V, and if the condition is met, outputting a diagnosis result: "outdoor diode short or breakdown";
14 If the condition (9) is not satisfied, judging whether the inverse table direct current voltage value is within 0V-0.5V at the current acquisition time point and whether the inverse table alternating current voltage value is within 0V-0.3V;
15 If the condition (14) is met, judging whether the action duration of the turnout curve of the group is less than or equal to the set reference curve duration;
16 If condition (15) is satisfied, outputting a diagnosis result: "1DQJ self-closing circuit open [ switch not unlocked ] or flip bit indicates that circuit X5 is partially broken or DBQ is not output";
17 If the condition (15) is not satisfied, outputting a diagnosis result: 1, the turnout cannot be normally unlocked or locked 2, and the inversion indicates that the circuit X5 is partially broken;
18 If the condition (9) is not satisfied, judging whether the inverse table direct current voltage value is within 0V-0.2V at the current acquisition time point and whether the inverse table alternating current voltage value is within 99V-121V;
19 If the condition (18) is met, judging whether the action duration of the turnout curve of the group is less than or equal to the set reference curve duration, and if the condition is met, outputting a diagnosis result: "outdoor card notch".
9. The intelligent diagnosis method for turnout based on relay interlocking according to claim 6, wherein the dynamic diagnosis step comprises:
1) Judging whether the switch action curves of the group have A, C phase front small steps, if so, performing the next step;
2) Judging whether the respective maximum current values in the three-phase current curves A, B and C of the group are all larger than the set maximum current standard value, and if the conditions are met, performing the next step of judgment;
3) Judging whether the switch action curves of the group have A, B phase rear small steps, if so, performing the next step;
4) Judging whether the A, B phase front small step value is larger than 0.9 ampere or whether the A, C phase rear small step value is larger than 0.9 ampere;
5) Judging whether the direct current voltage value of the fixed table at the current acquisition time point is within 28V-40V or not and whether the alternating current voltage value of the fixed table is within 40V-51V or not if the condition (4) is met, and outputting a diagnosis result if the condition (4) is met: "outdoor resistance short";
6) Judging whether the value of the small step before A, B phase is 0-0.3 ampere or whether the value of the small step after A, C phase is 0-0.3 ampere;
7) Judging whether the direct current voltage value of the fixed table at the current acquisition time point is within 15V-21V or not and whether the alternating current voltage value of the fixed table is within 65V-75V or not if the condition (6) is met, and outputting a diagnosis result if the condition (6) is met: "there is an open circuit in the outdoor double resistor".
10. The intelligent diagnosis method for a switch based on relay interlocking according to claim 6, wherein the dynamic diagnosis step comprises:
1) Judging whether the switch action curves of the group have A, C phase front small steps or not;
2) If the condition (1) is not satisfied, judging whether the values of the A, B, C three-phase current curves are all zero;
3) And (3) if the condition (2) is satisfied, outputting a diagnosis result: "DBQ failure";
4) Failing to meet the condition (2), judging whether A, B phase current curve values are all within 0.4-0.6 ampere in 0.3 seconds;
5) And (4) judging whether the maximum values of the A, B phase current curves are all larger than the set maximum current standard value and the maximum value of the C phase current curve is smaller than 0.2 ampere, and outputting a diagnosis result if the condition is satisfied: "indoor X5-2 DQJ 121-122-FBJ 4 off";
6) Failing to meet the condition (4), judging whether A, C phase current curve values are all within 0.4-0.6 ampere in 0.3 seconds;
7) And (3) meeting the condition (6), judging whether the maximum values of the A, C phase current curves are all larger than the set maximum current standard value, and if the maximum values of the B phase current curves are smaller than 0.2 ampere, outputting a diagnosis result: x2 broken line;
8) The method comprises the steps of (1) judging whether the respective maximum current values in the three-phase current curves A, B and C of the group are all larger than a set maximum current standard value, and if the condition is met, performing the next judgment;
9) Judging whether the group of turnout action curves have A, B-phase rear small steps or not;
10 If the condition (9) is met, judging whether the direct current voltage value of the fixed table at the current acquisition time point is within 0V-0.2V, and whether the alternating current voltage value of the fixed table is within 0V-0.2V, and if the condition is met, outputting a diagnosis result: "indoor indicates a circuit failure or an outdoor partial circuit break of the circuit X4";
11 If the condition (9) is met, judging whether the direct current voltage value of the fixed table at the current acquisition time point is within 28V-40V, and whether the alternating current voltage value of the fixed table is within 65V-75V, and if the condition is met, outputting a diagnosis result: "positioning means partial disconnection of the indoor circuit X4";
12 If the condition (9) is satisfied, judging whether the A, B phase front small step value is larger than 0.9 ampere or the A, C phase rear small step value is larger than 0.9 ampere;
13 If the condition (12) is met, judging whether the direct current voltage value of the fixed table at the current acquisition time point is within 0V-0.2V, and whether the alternating current voltage value of the fixed table is within 17V-25V, and if the condition is met, outputting a diagnosis result: "outdoor diode short or breakdown";
14 If the condition (9) is not satisfied, judging whether the direct current voltage value of the fixed table at the current acquisition time point is within 0V-0.5V, and whether the alternating current voltage value of the fixed table is within 0V-0.3V;
15 If the condition (14) is met, judging whether the action duration of the turnout curve of the group is less than or equal to the set reference curve duration;
16 If condition (15) is satisfied, outputting a diagnosis result: "1DQJ self-closing circuit open [ switch not unlocked ] or positioning indicates circuit X4 partial open";
17 If the condition (15) is not satisfied, outputting a diagnosis result: the switch starting is impossible to unlock normally 2. The positioning indicates that the circuit X4 is partially broken;
18 If the condition (9) is not satisfied, judging whether the direct current voltage value of the fixed table at the current acquisition time point is within 0V-0.2V and whether the alternating current voltage value of the fixed table is within 99V-121V;
19 If the condition (18) is met, judging whether the action duration of the turnout curve of the group is less than or equal to the set reference curve duration, and if the condition is met, outputting a diagnosis result: "outdoor card notch".
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