CN111812491A - Monitoring system for relay of rail transit system equipment - Google Patents
Monitoring system for relay of rail transit system equipment Download PDFInfo
- Publication number
- CN111812491A CN111812491A CN201910287021.9A CN201910287021A CN111812491A CN 111812491 A CN111812491 A CN 111812491A CN 201910287021 A CN201910287021 A CN 201910287021A CN 111812491 A CN111812491 A CN 111812491A
- Authority
- CN
- China
- Prior art keywords
- contact
- relay
- monitoring system
- switching
- power supply
- 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
Images
Classifications
-
- 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
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3277—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
- G01R31/3278—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches of relays, solenoids or reed switches
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention discloses a monitoring system of a relay for rail transit system equipment, which comprises a switch quantity acquisition machine, a direct current power supply, a switch quantity acquisition machine and a maintenance support system station machine, wherein the relay can comprise an idle joint and a half joint, the maintenance support system station machine is in communication connection with the switch quantity acquisition machine, an acquisition port of the switch quantity acquisition machine is electrically connected to the idle joint and used for acquiring the switch quantity of the idle joint, the direct current power supply is used for supplying power to the idle joint, and the switch quantity acquisition machine is respectively electrically connected to the switch quantity acquisition machine, the direct current power supply and the half joint through different terminals and used for isolating the half joint and the switch quantity acquisition machine. According to the monitoring system for the relays of the rail transit system equipment, the action time sequence of each relay of the rail transit system equipment can be accurately monitored in real time, so that reliable information guarantee is provided for diagnosis, analysis and treatment of equipment faults.
Description
Technical Field
The invention relates to monitoring of relays, in particular to a monitoring system of a relay for rail transit system equipment.
Background
In urban rail transit, critical signal equipment beside rails such as turnouts and screen doors are the key points of daily maintenance of maintenance departments. At present, the main maintenance mode of the system mainly depends on frequent daily maintenance and routing inspection to reduce the fault occurrence probability, when a fault occurs, the technical means for assisting fault analysis are less, a signal engineer with rich experience is mainly used for diagnosing and analyzing the fault, the efficiency is relatively low, and the system is not beneficial to fault analysis and solution under the emergency condition. If the action time sequences of the relays of the trackside key signal equipment can be accurately monitored in real time, reliable information guarantee can be provided for diagnosis, analysis and treatment of faults, and efficient maintenance of various rail transit system equipment is facilitated.
Therefore, it is desirable to design a monitoring system for a relay of a rail transit system device, which can provide assistance for maintenance, fault diagnosis, analysis and processing of the rail transit system device.
Disclosure of Invention
The invention provides a novel monitoring system for a relay of rail transit system equipment, aiming at overcoming the defects that the conventional auxiliary means for maintaining and handling faults of the rail transit system equipment is insufficient and cannot provide enough technical support.
The invention solves the technical problems by adopting the following technical scheme:
the invention provides a monitoring system of a relay for rail transit system equipment, which is characterized by comprising a switch quantity collecting machine, a direct-current power supply, a switch quantity collecting machine and a maintenance support system station machine, wherein at least a first part of the relay comprises a null point, at least a second part of the relay comprises a half point, the maintenance support system station machine is in communication connection with the switch quantity collecting machine, a collecting port of the switch quantity collecting machine is electrically connected to the null point and is configured to be capable of collecting the switch quantity of the null point, and the direct-current power supply is configured to be capable of supplying power to the null point;
wherein the switching quantity collector is electrically connected to the switching quantity collector, the DC power supply and the half-junction via different terminals, respectively, and is configured to be able to isolate the half-junction from the switching quantity collector.
Preferably, the switching amount collector has a first coil and a second coil insulated from each other and mutually inductive, a power terminal electrically connected to the dc power supply, an output terminal electrically connected to the collecting port of the switching amount collector, and a pair of collecting terminals electrically connected to a middle contact and a lower contact among the half contacts, respectively;
wherein, the power supply terminal is the both ends of first coil, gather the terminal and be the both ends of second coil, the top contact and the well contact in the half contact constitute a part of the signal circuit of rail system equipment, and when well contact and the time of the contact joint down in the half contact gather short circuit between the terminal.
Preferably, the signal circuit of the rail transit system equipment comprises an upper contact, a middle contact and a control power supply in the half contacts.
Preferably, the relay is a railway signal safety type relay, the railway signal safety type relay comprises a plurality of groups of contacts, and the plurality of groups of contacts comprise empty contacts and half contacts.
Preferably, the maintenance support system station machine and the switching value collecting machine respectively have network interfaces, and the two are connected with each other via the network interfaces.
Preferably, the acquisition port of the switching value acquisition machine and the direct current power supply are respectively connected to the idle contact through conductive cables, and the switching value acquisition machine is respectively connected to the switching value acquisition machine, the direct current power supply and the half contact through conductive cables.
Preferably, the switching value collector is configured to collect the switching value of the empty contact every preset collection period and immediately transmit the collected switching value of the empty contact to the station machine of the maintenance support system.
Preferably, the acquisition period is no longer than 200 milliseconds.
Preferably, the maintenance support system station is configured to record the action timing of each relay according to the received switching amount of the idle contact of each relay.
Preferably, the monitoring system further includes an interlock system configured to drive and recover the action state of each relay, and the maintenance support system station is further configured to compare the recorded action timing sequence of each relay with the action state of each relay recovered by the interlock system, and issue an alarm when the comparison result is inconsistent.
On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.
The positive progress effects of the invention are as follows:
according to the monitoring system for the relays of the rail transit system equipment, the action time sequence of each relay of the rail transit system equipment can be accurately monitored in real time, so that reliable information guarantee is provided for diagnosis, analysis and treatment of equipment faults, and efficient maintenance of various rail transit system equipment is facilitated.
Drawings
Fig. 1 is a system block diagram of a monitoring system for a relay of a rail transit system apparatus according to a preferred embodiment of the present invention.
Fig. 2 is a schematic diagram of a monitoring system for a relay of a rail transit system apparatus according to a preferred embodiment of the present invention.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, is intended to be illustrative, and not restrictive, and any other similar items may be considered within the scope of the present invention.
In the following detailed description, directional terms, such as "left", "right", "upper", "lower", "front", "rear", and the like, are used with reference to the orientation as illustrated in the drawings. The components of various embodiments of the present invention can be positioned in a number of different orientations and the directional terminology is used for purposes of illustration and is in no way limiting.
Referring to fig. 1-2, a monitoring system for relays 4 of rail transit system equipment according to a preferred embodiment of the present invention includes a switching value collector 1, a dc power supply 2, a switching value collector 3, and a maintenance support system station 5, a part of the relays 4 includes a dead point 41, and a part of the relays 4 includes a half-point 42, wherein a part of the relays 4 may include both the dead point 41 and the half-point 42. The maintenance support system station machine 5 is in communication connection with the switch-amount collection machine 1, the collection port of the switch-amount collection machine 1 is electrically connected to the dummy contact 41 and is configured to be capable of collecting the switch amount of the dummy contact 41, and the direct-current power supply 2 is configured to be capable of supplying power to the dummy contact 41.
Wherein the switching value collector 3 is electrically connected to the switching value collector 1, the DC power supply 2 and the half-contact 42 via different terminals, respectively, and is configured to be able to isolate the half-contact 42 from the switching value collector 1.
According to some preferred embodiments of the present invention, the switching amount collector 3 has a first coil and a second coil insulated from each other and mutually inductive, a power terminal electrically connected to the direct current power supply 2, an output terminal electrically connected to the collecting port of the switching amount collector 1, and a pair of collecting terminals electrically connected to the middle contact and the lower contact of the half contacts 42, respectively;
wherein, the power supply terminal is the both ends of first coil, gathers the terminal and is the both ends of second coil, and the upper junction and the intermediate junction in half joint 42 constitute a part of the signal circuit of rail system equipment, and gather short circuit between the terminal when the intermediate junction in half joint 42 and lower junction joint.
Wherein, relay 4 is railway signal safety type relay 4, and railway signal safety type relay 4 includes the multiunit contact, and the multiunit contact includes empty contact 41 and half contact 42. Each set of contacts may have an upper contact, a middle contact, and a lower contact. The upper contact and the middle contact are closed when the relay 4 is sucked, the middle contact and the lower contact are closed when the relay 4 falls, the acquisition method adopted by the maintenance support system in the railway signal system can be that the direct current power supply 2 such as 12V in the maintenance support system is sent to the middle contact of the relay 4, when the relay 4 is sucked or falls, the direct current power supply is sent back to the switching value acquisition machine 1 through the upper contact or the lower contact, and the direct current power supply of 12V can be directly input into the port of the switching value acquisition machine 1.
The switching value collector 3 arranged here actually plays a role of isolating equipment, when a signal cable is distributed at a contact point in the relay 4, the direct-current power supply 2 of the maintenance support system cannot be connected in parallel with the contact point, otherwise, mixed power can occur, and a relay circuit can be influenced to cause a driving accident in a serious case. The input end of the switching value collector 3 is isolated from the working power supply of the switching value collector, the input end of the switching value collector has two terminals, the middle contact of the relay 4 and the other empty contact 41 without wiring can be connected, because two paths of power supplies do not interfere with each other, the relay circuit cannot be influenced, and if the contact of the relay 4 is closed, the switching value collector 3 can output the working 12V positive electricity to be connected to the switching value collector 1. The switching value collector 3 only plays a role of isolation and does not directly collect the state of the equipment.
According to some preferred embodiments of the present invention, the signal circuit of the rail transit system equipment may include an upper contact, a middle contact, and a control power supply (i.e., "KZ" in fig. 2) of the half contacts 42.
According to some preferred embodiments of the present invention, the maintenance support system station 5 and the switch amount collector 1 have network interfaces, respectively, and are connected to each other via the network interfaces.
According to some preferred embodiments of the present invention, the acquisition port of the switching volume harvester 1 and the dc power supply 2 are connected to the neutral connection 41 via conductive cables, respectively, and the switching volume harvester 3 is connected to the switching volume harvester 1, the dc power supply 2 and the half-connection 42 via conductive cables, respectively.
According to some preferred embodiments of the present invention, the switching value collector 1 is configured to collect the switching value of the empty contact 41 every preset collection period and instantly transmit the collected switching value of the empty contact 41 to the station 5 of the maintenance support system.
According to some preferred embodiments of the invention, the acquisition period is no longer than 200 milliseconds, such as 100 milliseconds, so that substantially real-time monitoring is achieved.
According to some preferred embodiments of the present invention, the maintenance support system station 5 is configured to record the operation timing of each relay 4 according to the received switching amount of the free contact 41 of each relay 4.
According to some preferred embodiments of the present invention, the monitoring system further includes an interlock system configured to drive and recover the action state of each relay 4, and the maintenance support system station 5 is further configured to compare the recorded action timing sequence of each relay 4 with the action state of each relay 4 recovered by the interlock system, and send an alarm if the comparison result is inconsistent. For example, when the response time of a relay 4 in the signal circuit is gradually prolonged with time, the system may monitor the event and give an early warning message.
According to some preferred embodiments of the present invention, the monitoring system may be further configured to be able to present the real-time status of each relay 4 in the form of a graph on the maintenance support system station 5. Further preferably, the monitoring system may be further configured to display a signal circuit drawing on the maintenance support system station 5, the state of each relay 4 in the drawing may be changed in real time according to the state of the relay 4 acquired by the current system, and when the circuits are connected, the currently connected circuits are highlighted on the electronic drawing.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that these are by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (10)
1. A monitoring system for a relay of a rail transit system device, the monitoring system comprising a switch amount harvester, a DC power supply, a switch amount harvester, and a maintenance support system station, at least a first portion of the relay comprising a dead point, at least a second portion of the relay comprising a half-contact, the maintenance support system station being in communicative connection with the switch amount harvester, a harvesting port of the switch amount harvester being electrically connected to the dead point and configured to harvest the switch amount of the dead point, the DC power supply being configured to be able to supply power to the dead point;
wherein the switching quantity collector is electrically connected to the switching quantity collector, the DC power supply and the half-junction via different terminals, respectively, and is configured to be able to isolate the half-junction from the switching quantity collector.
2. The monitoring system of claim 1, wherein the switching amount collector has a first coil and a second coil insulated from each other and mutually inductive, a power terminal electrically connected to the direct current power source, an output terminal electrically connected to the collecting port of the switching amount collector, and a pair of collecting terminals electrically connected to a middle contact and a lower contact among the half contacts, respectively;
wherein, the power supply terminal is the both ends of first coil, gather the terminal and be the both ends of second coil, the top contact and the well contact in the half contact constitute a part of the signal circuit of rail system equipment, and when well contact and the time of the contact joint down in the half contact gather short circuit between the terminal.
3. The monitoring system of claim 2, wherein the signal circuitry of the rail transit system equipment includes an upper contact, a middle contact, and a control power supply of the half-contacts.
4. The monitoring system of claim 1, wherein the relay is a railroad signal safety relay comprising a plurality of sets of contacts, the plurality of sets of contacts comprising a dead contact and a half contact.
5. The monitoring system of claim 1, wherein the maintenance support system station and the switch volume harvester each have a network interface and are connected to each other via the network interfaces.
6. The monitoring system of claim 1, wherein the acquisition port of the switching volume harvester and the dc power source are each connected to the neutral point via a conductive cable, and the switching volume harvester is connected to the switching volume harvester, the dc power source, and the half-junction via a conductive cable, respectively.
7. The monitoring system according to any one of claims 1 to 6, wherein the switching value collector is configured to collect the switching values of the empty contacts every preset collection period and immediately transmit the collected switching values of the empty contacts to the maintenance support system station.
8. The monitoring system of claim 7, wherein the acquisition period is no longer than 200 milliseconds.
9. The monitoring system of claim 7, wherein the maintenance support system station is configured to record a timing of an operation of each of the relays based on a received amount of switching of the free contact of each of the relays.
10. The monitoring system of claim 9, further comprising an interlock system configured to drive and recover an operation state of each of the relays, wherein the maintenance support system station is further configured to compare the recorded operation timing of each of the relays with the operation state of each of the relays recovered by the interlock system, and to issue an alarm if the comparison result is inconsistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910287021.9A CN111812491A (en) | 2019-04-10 | 2019-04-10 | Monitoring system for relay of rail transit system equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910287021.9A CN111812491A (en) | 2019-04-10 | 2019-04-10 | Monitoring system for relay of rail transit system equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111812491A true CN111812491A (en) | 2020-10-23 |
Family
ID=72844197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910287021.9A Pending CN111812491A (en) | 2019-04-10 | 2019-04-10 | Monitoring system for relay of rail transit system equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111812491A (en) |
-
2019
- 2019-04-10 CN CN201910287021.9A patent/CN111812491A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111409668B (en) | Switch control system | |
| CN103612567B (en) | A kind of High-voltage safety protection system of electromobile and method thereof | |
| CN109633247A (en) | A kind of over current fault diagnostic system, method and train | |
| CN212828418U (en) | Switch control system | |
| CN205811520U (en) | The open phase protection that multiple redundancy Intelligent live amount shows | |
| CN112526253A (en) | Overcurrent fault detection system and method and railway vehicle | |
| CN115092223A (en) | Reverse cutting equipment for rail transit signal system | |
| CN109444633A (en) | A kind of rubber tire standard rail vehicle enters the station grounding safety monitoring system | |
| CN209784500U (en) | Monitoring system for relay of rail transit system equipment | |
| CN112526303A (en) | Method, device and system for monitoring mechanical insulation joint of track circuit | |
| CN111812491A (en) | Monitoring system for relay of rail transit system equipment | |
| CN211123208U (en) | Direct-current ground fault finding experimental platform for DCS (distributed control system) of nuclear power plant | |
| CN106908686A (en) | Single-phase grounded malfunction in grounded system of low current reliability judgment means based on asymmetric method | |
| CN112180250A (en) | Contactor state monitoring system and monitoring method | |
| CN103915793A (en) | Signal monitoring anti-thunder distribution cabinet and implementation method | |
| CN217415768U (en) | 25-cycle phase-sensitive track circuit comprehensive monitoring and diagnosis system | |
| CN106787204A (en) | A kind of intelligent terminal for being applied to current conversion station | |
| CN105896473A (en) | Open-phase protection device having a function of multi-redundancy intelligent carried charge display and control method of open-phase protection device | |
| CN113954918B (en) | Outdoor monitoring system for track circuit in station | |
| CN105172843A (en) | Interface structure between disaster-preventing foreign matter invasion limiting system and signal system of high-speed rail and method of interface structure | |
| CN102169769B (en) | Conductive contact surface performance online diagnosing and repairing system and using method thereof | |
| CN103532084B (en) | The involution loop of accident resultant signal in microcomputer type relay protection loop | |
| CN212322883U (en) | Bipolar three-station isolating switch and power supply system | |
| CN214585806U (en) | Track circuit mechanical insulation section monitoring device and system | |
| CN217824422U (en) | Track traffic direct current switchgear electrical safety system based on visual identification |
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 |