CN105866510B - Monitoring system for railway outdoor trackside signal equipment - Google Patents
Monitoring system for railway outdoor trackside signal equipment Download PDFInfo
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- CN105866510B CN105866510B CN201610327201.1A CN201610327201A CN105866510B CN 105866510 B CN105866510 B CN 105866510B CN 201610327201 A CN201610327201 A CN 201610327201A CN 105866510 B CN105866510 B CN 105866510B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
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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
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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
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/083—Locating faults in cables, transmission lines, or networks according to type of conductors in cables, e.g. underground
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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
- G01R31/44—Testing lamps
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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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/58—Testing of lines, cables or conductors
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention relates to a monitoring system for railway outdoor trackside signal equipment, which comprises a ZPW-2000A/K track circuit, a 25Hz phase-sensitive track circuit, a train signal machine and a switch machine, wherein the monitoring system comprises a power supply, an outdoor trackside signal equipment collector, a PLC protocol converter, a communication interface extension and a centralized monitoring station machine, the power supply is connected with the outdoor trackside signal equipment collector, the outdoor trackside signal equipment collector is respectively connected with the ZPW-2000A/K track circuit, the 25Hz phase-sensitive track circuit, the train signal machine and the switch machine, and the outdoor trackside signal equipment collector, the PLC protocol converter, the communication interface extension and the centralized monitoring station machine are sequentially connected. Compared with the prior art, the method has the advantages of accurately and rapidly judging the equipment fault point, greatly compressing the fault handling time and the like.
Description
Technical Field
The invention relates to a monitoring system of railway equipment, in particular to a monitoring system for railway outdoor trackside signal equipment.
Background
At present, the information acquisition of various devices by the domestic signal centralized monitoring system is only limited to an indoor local circuit, but 90% of signal device faults all occur outdoors, and maintenance personnel can only manually measure and find fault points due to the fact that no outdoor device monitoring means is available when the faults occur, so that the fault processing time is long. Especially, the fault treatment time of the interval track circuit is longer, often exceeds 2 hours to form a D21 accident, and the driving organization is seriously disturbed.
Disclosure of Invention
The object of the present invention is to overcome the drawbacks of the prior art described above by providing a monitoring system for a railway outdoor wayside signal device.
The aim of the invention can be achieved by the following technical scheme:
a monitoring system for railway outdoor trackside signal equipment, the railway outdoor trackside signal equipment include ZPW-2000A/K track circuit, 25Hz phase-sensitive track circuit, train signal machine and switch machine, its characterized in that, monitoring system include power supply, outdoor trackside signal equipment collector, PLC protocol converter, communication interface extension and concentrated monitoring station machine, power supply be connected with outdoor trackside signal equipment collector, outdoor trackside signal equipment collector respectively with ZPW-2000A/K track circuit, 25Hz phase-sensitive track circuit, train signal machine and switch machine connection, outdoor trackside signal equipment collector, PLC protocol converter, communication interface extension and concentrated monitoring station machine connect gradually.
The power supply comprises an indoor power supply screen and an AC power supply isolation box which are sequentially connected, and the AC power supply isolation box is connected with an outdoor trackside signal equipment collector.
The outdoor trackside signal equipment collector comprises a 25Hz phase-sensitive track circuit collection module, a train signal machine collection module, a ZPW2000 interval track voltage collection module and a switch machine collection module.
The 25Hz phase-sensitive track circuit acquisition module comprises a 25Hz track transmitting end acquisition unit and a 25Hz track receiving end acquisition unit;
the 25Hz track sending end collecting unit comprises a 25Hz track sending end voltage collector, a sending end frontal current transformer voltage collecting point, a sending end current limiting resistor end voltage collecting point, a sending end air switch front end voltage collecting point and a sending end air switch rear end voltage collecting point which are respectively connected with the 25Hz track sending end voltage collector;
the 25Hz track receiving end acquisition unit comprises a 25Hz track receiving end voltage acquisition unit, a receiving end frontal current transformer voltage acquisition point, a receiving end current limiting resistor terminal voltage acquisition point, a receiving end track transformer I secondary side voltage acquisition point and a receiving end track transformer II secondary side voltage acquisition point which are respectively connected with the 25Hz track receiving end voltage acquisition unit.
A voltage isolator is arranged between the 25Hz track transmitting end voltage collector and each voltage collecting point, and a voltage isolator is arranged between the 25Hz track receiving end voltage collector and each voltage collecting point.
The train annunciator acquisition module comprises an outdoor annunciator voltage acquisition unit, and is connected with an I secondary side voltage acquisition point of a train annunciator lighting transformer and an II secondary side voltage acquisition point of the train annunciator lighting transformer.
The ZPW2000 interval track voltage acquisition module comprises an interval track voltage acquisition unit, a transmitting end acquisition matching unit E1 and E2 terminal main frequency voltage acquisition point, a tuning unit U1 and U2 main frequency voltage acquisition point, a receiving end acquisition matching unit E1 and E2 main frequency voltage acquisition point, an auxiliary frequency voltage acquisition point, a tuning unit U1 and U2 main frequency voltage acquisition point and an auxiliary frequency voltage acquisition point, wherein the transmitting end acquisition matching unit E1 and E2 terminal main frequency voltage acquisition point, the tuning unit U1 and U2 main frequency voltage acquisition point and the auxiliary frequency voltage acquisition point are respectively connected with the interval track voltage acquisition unit.
The switch machine acquisition module comprises an alternating current switch machine voltage acquisition unit and a direct current switch machine voltage acquisition unit;
the alternating current switch machine voltage acquisition unit comprises an alternating current switch machine voltage acquisition unit, a first positioning-to-reverse position action voltage acquisition point, a first reverse position-to-positioning action voltage acquisition point, a first positioning representation voltage acquisition point, a first reverse position representation voltage acquisition point and a first positioning reverse position action current acquisition point which are respectively connected with the alternating current switch machine voltage acquisition unit;
the direct current switch machine voltage acquisition unit comprises a direct current switch machine voltage acquisition device, a second positioning to reverse position action voltage acquisition point, a second reverse position to positioning action voltage acquisition point, a second positioning representation voltage acquisition point, a second reverse position representation voltage acquisition point and a second positioning reverse position action current acquisition point which are respectively connected with the direct current switch machine voltage acquisition device.
Compared with the prior art, the outdoor comprehensive monitoring platform with the ZPW-2000A/K track circuit, the 25Hz phase-sensitive track circuit, the train annunciator and the switch outdoor monitoring function is combined with the signal centralized monitoring intelligent analysis, so that the problems of no purpose of current signal equipment maintenance, long fault handling time and the like are solved, the purpose of carrying out maintenance is achieved, equipment hidden danger is discovered in advance, the occurrence of signal equipment faults is reduced, and the aim of 'fault maintenance' is realized; the fault point of the equipment is accurately and rapidly judged, the fault handling time is greatly shortened, and the interference of the signal equipment fault to the driving organization is greatly reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention.
The outdoor signal equipment collector is characterized in that the outdoor signal equipment collector is 1, the PLC protocol converter is 2, the communication interface extension is 3, the centralized monitoring station is 4, the switch is 5, the indoor power supply screen is 6, the air switch is 7, and the AC power supply isolation box is 8.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
As shown in figure 1, the monitoring system for the railway outdoor trackside signal equipment comprises a ZPW-2000A/K track circuit, a 25Hz phase-sensitive track circuit, a train signal machine and a switch machine, wherein the monitoring system comprises a power supply, an outdoor trackside signal equipment collector 1, a PLC protocol converter 2, a communication interface extension 3 and a centralized monitoring station machine 4, the power supply is connected with the outdoor trackside signal equipment collector 1, the outdoor trackside signal equipment collector 1 is respectively connected with the ZPW-2000A/K track circuit, the 25Hz phase-sensitive track circuit, the train signal machine and the switch machine, and the outdoor trackside signal equipment collector 1, the PLC protocol converter 2, the communication interface extension 3 and the centralized monitoring station machine 4 are sequentially connected.
The power supply comprises an indoor power supply screen 6, an air switch 7 and an AC power supply isolation box 8 which are sequentially connected, wherein the AC power supply isolation box 8 is connected with the outdoor trackside signal equipment collector 1.
The indoor power supply screen 6 provides a 220V alternating current power supply for working for the system, the 220V alternating current power supply is isolated by the AC power supply isolation box 8 of the system, and then the outdoor power supply is used for transmitting power to the outdoor trackside signal equipment collector 1 along the signal cable;
the outdoor trackside signal equipment collector comprises a 25Hz phase-sensitive track circuit collection module, a train signal machine collection module, a ZPW2000 interval track voltage collection module and a switch machine collection module.
The 25Hz phase-sensitive track circuit acquisition module comprises a 25Hz track transmitting end acquisition unit and a 25Hz track receiving end acquisition unit; the 25Hz track sending end collecting unit comprises a 25Hz track sending end voltage collector, a sending end frontal current transformer voltage collecting point, a sending end current limiting resistor end voltage collecting point, a sending end air switch front end voltage collecting point and a sending end air switch rear end voltage collecting point which are respectively connected with the 25Hz track sending end voltage collector; the 25Hz track receiving end acquisition unit comprises a 25Hz track receiving end voltage acquisition unit, a receiving end frontal current transformer voltage acquisition point, a receiving end current limiting resistor terminal voltage acquisition point, a receiving end track transformer I secondary side voltage acquisition point and a receiving end track transformer II secondary side voltage acquisition point which are respectively connected with the 25Hz track receiving end voltage acquisition unit.
A voltage isolator is arranged between the 25Hz track transmitting end voltage collector and each voltage collecting point, and a voltage isolator is arranged between the 25Hz track receiving end voltage collector and each voltage collecting point. The acquisition point is isolated from the rear-end communication processing unit by adopting a voltage isolation converter with a corresponding range, and the acquisition circuit is automatically disconnected at high voltage, so that the rear-end communication processing unit and the front-end signal equipment are not influenced, and the safety isolation function is realized.
The train annunciator acquisition module comprises an outdoor annunciator voltage acquisition unit, and is connected with an I secondary side voltage acquisition point of a train annunciator lighting transformer and an II secondary side voltage acquisition point of the train annunciator lighting transformer.
The ZPW2000 interval track voltage acquisition module comprises an interval track voltage acquisition unit, a transmitting end acquisition matching unit E1 and E2 terminal main frequency voltage acquisition point, a tuning unit U1 and U2 main frequency voltage acquisition point, a receiving end acquisition matching unit E1 and E2 main frequency voltage acquisition point, an auxiliary frequency voltage acquisition point, a tuning unit U1 and U2 main frequency voltage acquisition point and an auxiliary frequency voltage acquisition point, wherein the transmitting end acquisition matching unit E1 and E2 terminal main frequency voltage acquisition point, the tuning unit U1 and U2 main frequency voltage acquisition point and the auxiliary frequency voltage acquisition point are respectively connected with the interval track voltage acquisition unit.
The switch machine acquisition module comprises an alternating current switch machine voltage acquisition unit and a direct current switch machine voltage acquisition unit; the alternating current switch machine voltage acquisition unit comprises an alternating current switch machine voltage acquisition unit, a first positioning-to-reverse position action voltage acquisition point, a first reverse position-to-positioning action voltage acquisition point, a first positioning representation voltage acquisition point, a first reverse position representation voltage acquisition point and a first positioning reverse position action current acquisition point which are respectively connected with the alternating current switch machine voltage acquisition unit; the direct current switch machine voltage acquisition unit comprises a direct current switch machine voltage acquisition device, a second positioning to reverse position action voltage acquisition point, a second reverse position to positioning action voltage acquisition point, a second positioning representation voltage acquisition point, a second reverse position representation voltage acquisition point and a second positioning reverse position action current acquisition point which are respectively connected with the direct current switch machine voltage acquisition device.
The product of the invention has the functions of:
the invention directly collects the parameters of the trackside signal equipment, such as voltage, current and the like of key points of the signal equipment, and monitors the parameters in real time, so that maintenance personnel can know the performance of the equipment in time. And the intelligent early warning system is combined with the signal centralized monitoring system, intelligent analysis is performed on the collected data, intelligent early warning is performed on the voltage and current data which do not meet the standard, maintenance workload is reduced, and maintenance efficiency is improved. The following exemplifies some of the functions:
detailed location of equipment fault scope
The working power supply of the signal equipment beside the railway outdoor track is sent out from the signal machinery room, and the product collects the voltage of key points at the tail end of the interlocking circuit. When the signal equipment fails, the voltage of each acquisition point in the circuit is compared through the centralized monitoring system, so that the fault range can be automatically positioned. Examples are as follows:
1) The turnout represents open circuit, the centralized monitoring system tests turnout represents alternating voltage in the room, and the trackside acquisition equipment does not measure turnout represents alternating voltage at the cable end, so that cable disconnection faults between the room and the outdoor equipment can be judged.
2) The 25Hz track collects voltages before and after the sending end and the receiving end are free to open, and the signal centralized monitoring system can judge the free to open and jump off faults by comparing the voltages of the front end and the rear end of the free to open, so that the searching time of maintenance personnel for fault points is reduced.
(II) monitoring of signal device Performance anomalies
The product monitors the electrical performance of the trackside signal equipment in real time, and part of monitoring points are inaccessible to the signal centralized monitoring system, so that the actual state of the equipment can be reflected.
1) The input voltage of the secondary side of the lighting unit I of the color lamp annunciator is about AC200V, the requirement of the secondary side II is about AC11V, the service life of a bulb is reduced due to the fact that the voltage of the secondary side II is too high, the brightness of the annunciator is not up to standard due to the fact that the voltage of the secondary side II is too low, the performance of the lighting unit can be reflected in time through measuring the voltage of the secondary side I, II of the lighting unit, early warning and alarming are given through a centralized monitoring system, and maintenance personnel are reminded of timely replacement.
2) The E1, E2 cable side voltages and the U1, U2 terminal block voltages of the ZPW2000 track may also reflect the performance of the tuning unit and the matching unit.
The performance of the invention:
1) The trackside acquisition module supports data transmission through a power line carrier technology, and the communication baud rate is not lower than 50kbps.
2) ZYJ series hydraulic turnout point machine, S700K series and ZDJ-9 series AC electric point machine
Switch action voltage measuring range and precision: AC 0-500V; 1%;
switch action current measuring range and precision: 0-10A; 2%;
3) DC switch machine
Switch action voltage measuring range and precision: DC 0-300V; 1%;
switch action current measuring range and precision: 0-10A; 2%;
4) Switch represents voltage measurement range and precision: DC: 0-100V, AC: 0-200V; 1%;
5) 25Hz track voltage
Transmitting end rail surface voltage measuring range and precision: AC 0-40V; 1%;
end voltage measuring range and precision of end-sending current-limiting resistor: AC 0-6V; 1%;
voltage measurement range and precision before end transmission and idle opening: AC 0-300V; 1%;
voltage measuring range and precision after the end sending is opened: AC 0-300V; 1%;
receiving end rail surface voltage measuring range and precision: AC 0-40V; 1%;
voltage measuring range and precision of the current limiting resistor terminal at the receiving terminal: AC 0-6V; 1%;
receiving end track transformer II secondary side voltage measurement range and precision: AC 0-40V; 1%;
receiving end track transformer I secondary side voltage measurement range and precision: AC 0-40V; 1%;
6) ZPW2000 rail
Transmitting end cable side voltage measuring range and precision: 0-200V; 1%;
receiving end cable side voltage measurement range and precision: 0-200V; 1%;
transmitting/receiving end rail surface voltage measuring range and accuracy: 0-6V; 1%;
7) Signaling device
Lighting unit I secondary side voltage measurement range and accuracy: 0-300V; 1%;
lighting unit II secondary side voltage measurement range and accuracy: 0-40V; 1%;
8) The sampling period of the analog quantity is less than or equal to 1S.
9) All signal cables have a cold resistance of-40 deg., a high temperature resistance of +70 deg..
10 The low-temperature performance of the outdoor monitoring module is required to meet the T2 grade (-40 ℃) requirement in the product standard EN50125-3, and the outdoor monitoring module can work normally in a low-temperature environment with the minimum temperature of minus 40 ℃. The test standard adopts EN60068-2-1Ad, GB/T2423.1 and performance criterion A. Test temperature: -40 ℃, test duration: 2h, rate of temperature change: not more than 1 ℃/min.
11 The outdoor monitoring module can store at the low temperature of the lowest temperature of 25 ℃. The test standard adopts EN60068-2-1Ad, GB/T2423.1 and performance criterion A. Test temperature: -25 ℃, test duration: 16h, rate of temperature change: not more than 1 ℃/min.
12 The high-temperature performance of the outdoor monitoring module is required to meet the requirement of the T1 grade (70 ℃) in the product standard EN50125-3, and the outdoor monitoring module can normally work in a high-temperature environment with the maximum temperature of 70 ℃. The test standard adopts EN60068-2-2Be, GB/T2423.2 and performance criterion A. Test temperature: 70 ℃, test humidity: relative humidity is less than or equal to 50%, test duration: 2h, rate of temperature change: not more than 1 ℃/min.
13 The temperature and humidity performance of the outdoor monitoring module needs to meet the requirements of the T1 grade (relative humidity 5% -100%) in the product standard EN50125-3, and the outdoor monitoring module can normally work in a condensation environment with the relative humidity of 100% at the temperature of 70 ℃. The test standard adopts EN60068-2-78Cab, GB/T2423.3 and performance criterion A.
Test temperature: 70 ℃, relative humidity: 100% of the gel, and the temperature change rate is as follows: not more than 1 ℃/min, test time: 96h.
14 The metal structure has certain salt spray protection capability, meets the requirements of product standards EN50125-3 and EN50155, adopts EN60068-2-11Ka and GB/T2423.17 as test standards, has the judgment standard of GB/T6461-2002, has no obvious damage and has normal performance detection. Test temperature: (35+ -2) deg.C, pH: 6.5 to 7.2, test duration: 48h.
15 The low air pressure performance meets the AX grade requirement in the product standard EN50125-3, can normally work under the conditions that the altitude is less than or equal to 3000 meters and the atmospheric pressure is 70 kPa-106 kPa, and the test standard adopts EN60068-2-13 and GB/T2423.21, and the performance criterion A. Test pressure: 70kPa, test duration: 4h, air pressure change speed: not exceeding 10kPa/min.
16 The electrostatic discharge immunity performance is required to meet the requirements of standards GB/T24338.5 and EN 50121-4. Test grade: contact discharge + -6 kV, air discharge + -8 kV, performance criteria: performance criterion B, test method: GB/T17626.2, EN61000-4-2, test configuration: cage and rack.
17 The radiation noise immunity performance of the radio frequency electromagnetic field needs to meet the requirements of the standards GB/T24338.5 and EN 50121-4. Test grade: 80MHz-1000MHz 10V/m80% AM (1 kHz) performance criteria: performance criteria a, test method: GB/T17626.3, EN61000-4-3, test configuration: cage and rack.
18 The radio frequency electromagnetic field radiation noise immunity performance of the digital wireless telephone needs to meet the requirements of the standards GB/T24338.5 and EN 50121-4. Test grade: 800MHz-1000MHz &1.4GHz-2.1GHz 20V/m,2.1GHz-2.5GHz 5V/m,80% AM (1 kHz), performance criteria: performance criteria a, test method: GB/T17626.3, EN61000-4-3, test configuration: cage and rack.
19 The immunity performance of the electric fast transient pulse group needs to meet the requirements of the standards GB/T24338.5 and EN 50121-4. Test grade: 2kV5/50ns,5kHz, test port: system power port, I/O port, performance criteria: performance criteria a, test method: GB/T17626.4, EN61000-4-4.
20 The surge (impact) immunity performance needs to meet the requirements of the standards GB/T24338.5 and EN 50121-4. Test grade: 1.2/50 μs+ -2 kV common mode+ -1 kV differential mode, test port: system power port, I/O port, performance criteria: performance criterion B, test method: GB/T17626.5, EN61000-4-5.
21 The conductive noise immunity performance of the radio frequency field inductance needs to meet the requirements of the standards GB/T24338.5 and EN 50121-4. Test grade: 0.15MHz-80MHz 10V (r.m.s) 80% AM (1 kHz), test port: system power port, I/O port
Performance criteria: performance criteria a, test method: GB/T17626.6, EN61000-4-6.
22 The interference resistance performance of the power frequency magnetic field is required to meet the requirements of standard GB/T24338.5 and EN 50121-4. Test grade: 100A/m (r.m.s) @50/60Hz,16.7Hz300A/m@0Hz, performance criteria: performance criteria a, test method: GB/T17626.8, EN61000-4-8, test configuration: cage and rack.
23 The disturbance rejection performance of the pulse magnetic field needs to meet the requirements of the standards GB/T24338.5 and EN 50121-4. Test grade: 300A/m
Performance criteria: performance criterion B, test method: GB/T17626.9, EN61000-4-9, test configuration: cage and rack.
24 The radiation emission performance needs to meet the requirements of standard GB/T24338.5 and EN 50121-4. Emission limit: reference is made to GB/T17799.4, EN61000-6-4, 30MHz-230MHz 40dB μV/m quad-peak@10m, 230MHz-1000MHz 47dB μV/m quad-peak@10m, test method: GB 4824, CISPR 16-2-3, test configuration: cage and rack.
25 The conductive emission performance is required to meet the requirements of standard GB/T24338.5 and EN 50121-4. Emission limit: reference is made to GB/T17799.4, EN61000-6-4,0.15MHz-0.5MHz 79. Mu.V quad-peak, 66 dB. Mu.V average,0.5MHz-30MHz 73 dB. Mu.V quad-peak, 60 dB. Mu.V average, test port: the system power port comprises the following steps: GB 4824, CISPR 16-2-1.
26 Insulation pitch design meets the standard EN50124-1, EN50129 requirements. Withstand voltage 3550VAC/1min needs to be met between input and output and between input and power supply, and no breakdown and flashover are caused. The switch represents the voltage acquisition and also meets the requirements of the original railway department [ 2011 ] No. 377. The withstand voltage between each group of turnout sampling lines is more than AC 4000V. The withstand voltage between terminals, between input and output, between input and power supply is higher than DC2500V. And a strong current exceeding the AC3000V and having a current greater than 200mA is arranged between the terminals, the fuse between the input and the output is disconnected, and the state of disconnection is presented to the outside.
27 Insulation pitch design meets the standard EN50124-1, EN50129 requirements. The insulation distance between the insulation group A and the insulation group B is not smaller than x mm, and the verification test voltage is x VAC/1min.
28 Insulation resistance between insulation groups is not less than 100mΩ @500VDC.
29 The ground resistance between all the exposed metal parts and the protective ground terminal of the product meets the standard EN60950-1 requirement, and the measured value is not more than 0.1 omega under the test condition of 12V/2A.
30 The flame retardant property of the PCB material and the plastic-containing component of the product meets the requirement of the standard UL 94V-0 level.
31 The flame retardant performance of the cable selected by the product meets the requirements of the standard GB/T18380.35 or IEC 60332C class.
32 The low-smoke halogen-free cable is selected to meet the requirements of the standard GB/T19666-2005. 33 Lightning electromagnetic pulse protection performance is required to meet the standard TB/T3074 requirement. Test grade: unbalanced signal line/long distance bus 10/700 μs, ±4kV line to earth, ±2kV line to line, performance criteria: performance criterion B, test method: GB/T17626.5.
33 Average time between failures (MTBF) is not less than 50000 hours.
34 The requirements of vibration tests of outdoor units have to follow EN50125-3, the specific test method of which is according to EN60068-2-64. Frequency range: 5-2000 Hz, power-on operation, vibration magnitude: the longitudinal direction, the transverse direction and the vertical direction are all 2.3m/s2, and the duration is 90min.
35 The requirements of the impact test of outdoor equipment products must follow EN50125-3, the specific test method of which is according to EN60068-2-27. The tested product is subjected to impact test on a vertical coordinate axis and is divided into a positive direction and a negative direction, and each direction is impacted for 3 times respectively. The specific magnitude is as follows: average value: 20m/s2, duration: 11ms, peak: 20m/s2, duration: 11ms.
36 The adaptability to power supply fluctuation meets the requirements of a standard EN50155, GB/T25119. Can work normally within the voltage fluctuation range of 0.7 Un-1.25 Un, does not cause abnormal functions within the voltage fluctuation range of 0.6 Un-1.4 Un and not more than 0.1s, and does not generate damage within the voltage fluctuation range of 1.25 Un-1.4 Un and not more than 1s.
While the invention has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (8)
1. A monitoring system for railway outdoor trackside signal equipment, the railway outdoor trackside signal equipment include ZPW-2000A/K track circuit, 25Hz phase-sensitive track circuit, train signal machine and switch machine, its characterized in that, monitoring system include power supply, outdoor trackside signal equipment collector, PLC protocol converter, communication interface extension and concentrated monitoring station machine, power supply be connected with outdoor trackside signal equipment collector, outdoor trackside signal equipment collector respectively with ZPW-2000A/K track circuit, 25Hz phase-sensitive track circuit, train signal machine and switch machine connection, outdoor trackside signal equipment collector, PLC protocol converter, communication interface extension and concentrated monitoring station machine connect gradually.
2. The monitoring system for railway outdoor trackside signal equipment according to claim 1, wherein the power supply comprises an indoor power supply screen and an AC power supply isolation box which are sequentially connected, and the AC power supply isolation box is connected with an outdoor trackside signal equipment collector.
3. The monitoring system for railway outdoor trackside signal equipment according to claim 1, wherein the outdoor trackside signal equipment collector comprises a 25Hz phase sensitive track circuit collection module, a train signal collection module, a ZPW2000 interval track voltage collection module and a switch machine collection module.
4. A monitoring system for railway outdoor trackside signal equipment according to claim 3, wherein the 25Hz phase sensitive track circuit acquisition module includes a 25Hz track feed acquisition unit and a 25Hz track receiver acquisition unit;
the 25Hz track sending end collecting unit comprises a 25Hz track sending end voltage collector, a sending end frontal current transformer voltage collecting point, a sending end current limiting resistor end voltage collecting point, a sending end air switch front end voltage collecting point and a sending end air switch rear end voltage collecting point which are respectively connected with the 25Hz track sending end voltage collector;
the 25Hz track receiving end acquisition unit comprises a 25Hz track receiving end voltage acquisition unit, a receiving end frontal current transformer voltage acquisition point, a receiving end current limiting resistor terminal voltage acquisition point, a receiving end track transformer I secondary side voltage acquisition point and a receiving end track transformer II secondary side voltage acquisition point which are respectively connected with the 25Hz track receiving end voltage acquisition unit.
5. The monitoring system for railway outdoor trackside signal equipment according to claim 4, wherein a voltage isolator is arranged between the 25Hz track transmitting end voltage collector and each voltage collecting point, and a voltage isolator is arranged between the 25Hz track receiving end voltage collector and each voltage collecting point.
6. The monitoring system for railway outdoor trackside signal equipment according to claim 3, wherein the train signal acquisition module comprises an outdoor signal machine voltage acquisition unit and a secondary side voltage acquisition point of a train signal machine lighting transformer I and a secondary side voltage acquisition point of a train signal machine lighting transformer II which are connected with the outdoor signal machine voltage acquisition unit.
7. The monitoring system for railway outdoor rail side signal equipment according to claim 3, wherein the ZPW2000 section rail voltage acquisition module comprises a section rail voltage acquisition unit, and a transmitting end acquisition matching unit E1 and E2 terminal main frequency voltage acquisition points, tuning units U1 and U2 main frequency voltage acquisition points, a receiving end acquisition matching unit E1 and E2 main frequency voltage acquisition points, a sub frequency voltage acquisition point, tuning units U1 and U2 main frequency voltage acquisition points and sub frequency voltage acquisition points which are respectively connected with the section rail voltage acquisition unit.
8. A monitoring system for a railroad outdoor wayside signal device according to claim 3 wherein said switch machine acquisition module comprises an ac switch machine voltage acquisition unit and a dc switch machine voltage acquisition unit;
the alternating current switch machine voltage acquisition unit comprises an alternating current switch machine voltage acquisition unit, a first positioning-to-reverse position action voltage acquisition point, a first reverse position-to-positioning action voltage acquisition point, a first positioning representation voltage acquisition point, a first reverse position representation voltage acquisition point and a first positioning reverse position action current acquisition point which are respectively connected with the alternating current switch machine voltage acquisition unit;
the direct current switch machine voltage acquisition unit comprises a direct current switch machine voltage acquisition device, a second positioning to reverse position action voltage acquisition point, a second reverse position to positioning action voltage acquisition point, a second positioning representation voltage acquisition point, a second reverse position representation voltage acquisition point and a second positioning reverse position action current acquisition point which are respectively connected with the direct current switch machine voltage acquisition device.
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