CN104228882A - Outdoor track circuit integrated monitoring system and method - Google Patents
Outdoor track circuit integrated monitoring system and method Download PDFInfo
- Publication number
- CN104228882A CN104228882A CN201410455548.5A CN201410455548A CN104228882A CN 104228882 A CN104228882 A CN 104228882A CN 201410455548 A CN201410455548 A CN 201410455548A CN 104228882 A CN104228882 A CN 104228882A
- Authority
- CN
- China
- Prior art keywords
- signal
- module
- circuit
- railway
- track
- 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
Landscapes
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention discloses a track circuit signal collecting system, which comprises a track circuit signal collecting unit, an A/D (analog to digital) conversion module, a DMA (direct memory access) transmission module, a frequency shift demodulation module, a memory, a data transmission module and a data processing module, wherein data address inquiry signal work partitions in circuit work state detection signals are respectively detected out through the data processing module, so whether the states of the work partitions have faults or not is judged. A detection system provided by the invention can be used for monitoring whether railway signals and railway equipment are normal or not in real time. Through collecting data such as current in cables and steel-clad copper wires on a railway, rail surface and cable voltage, and temperature and humidity of railway equipment, the operation state of each partition of the railway can be mastered at any time, the work state of each partition is qualitatively analyzed, and the possibly generated faults can be eliminated in advance. When the faults occur, the faults can be positioned in specific intervals and equipment according to monitoring signals, and great convenience is brought for fault elimination.
Description
Technical field
The present invention relates to railway track circuit and electrically monitor field, especially relate to a kind of track-circuit signalling acquisition system and method.
Background technology
Whether the circuit that track circuit is formed for conductor with the rail of a section of railway track circuit, taken by rolling stock for automatic, continuous detecting this section of circuit, also for control signal device or switching device, to ensure the equipment of traffic safety.Utilize the rail of railway line to make conductor composition, in order to check with or without train, transmit train occupation information and realize the circuit of transmission of information between ground and train, be referred to as track circuit.In the daily attention of railway signal, by the detection of the electrical specification to track circuit, adjusting the normal utilization ensureing track circuit, is the pacing factor ensureing traffic safety, safeguard driving order.At present, automatic accurate prediction can not be realized to track electric circuit inspection and judge the fault of railway track circuit existing for existing condition, therefore cannot provide actv. preventive means and maintenance to service personnel in time, bring potential safety hazard to railway operation.
There is many deficiencies in existing track-circuit signalling collection and detecting device, is therefore necessary to be improved.
Summary of the invention
For the deficiency that above-mentioned prior art exists, the object of this invention is to provide a kind of track-circuit signalling acquisition system and method, it has the advantages that automatically gather and detect track-circuit signalling.
An object of the present invention proposes a kind of track-circuit signalling acquisition system; Two of object of the present invention proposes a kind of track-circuit signalling method of inspection.
An object of the present invention is achieved through the following technical solutions:
The outdoor track circuit comprehensive monitor system of one provided by the invention, comprises track-circuit signalling acquisition system, supervisor, railway monitoring communication system and microcomputer detecting system;
Described track-circuit signalling acquisition system is arranged at region to be detected for obtaining the status signal of the track circuit in district to be detected; Described status signal is transferred in supervisor by the mode of power carrier; Described supervisor is connected with microcomputer detecting system by railway monitoring communication system;
Described railway monitoring communication system is provided with lightning protection power source circuit, and described lightning protection power source circuit comprises power input, for preventing the temperature sensing element of rush of current, for preventing the self-recoverage protective tube of overcurrent, for the isolated supplies module, TVS pipe, the power output end that prevent superpotential pizo-resistance, common mode inductance coil, prevent the CY electric capacity of current break, have overcurrent protection function;
Described power input is connected in series by temperature sensing element and self-recoverage protective tube; Described pizo-resistance to be parallel to after self-recoverage protective tube successively with common mode inductance coil, CY electric capacity and isolated supplies model calling; After described TVS pipe is parallel to isolated supplies module, described power output end is connected with TVS pipe two ends.
Further, described track-circuit signalling acquisition system comprises track-circuit signalling collecting unit, A/D modular converter, DMA transport module, shift frequency demodulation module, memory device, data transmission module and data processing module;
Described track-circuit signalling collecting unit, for gathering the circuit working state signal of railway track circuit;
Described A/D modular converter, for converting circuit working state signal to digital signal;
Described DMA transport module, for by digital data transmission in internal memory;
Described shift frequency demodulation module, for obtaining the circuit working state detection signal of track circuit by Frequency-shift by digital signal;
Described memory device, for storing the process data signal that data processing module exports;
Described data transmission module, for being transferred to supervisor by the circuit working state detection signal of shift frequency demodulation module demodulation;
Described data processing module, for receiving the circuit working state detection signal of shift frequency demodulation module output and carrying out data processing; Described data processing module comprises normal condition memory module, surveyed area detected value module, breakdown judge module, failure prediction module between data address module, railway work division module, detection zone;
Described data address module, for parsing the railway section address that status signal occurs from circuit working state detection signal;
Described railway work division module, forms multiple surveyed area for detection railroad track is carried out detection route subregion according to the compartment model preset;
Normal condition memory module between described detection zone, for storing the different surveyed area normal working parameter value on railway detection route;
Described surveyed area detected value module, for parsing the status signal of different surveyed area from circuit working state detection signal;
Described breakdown judge module, for determining the status signal of surveyed area according to railway section address and comparing with surveyed area normal working parameter value, judges whether surveyed area has fault, if had, then sends failure alarm signal; If nothing, then enter next surveyed area and carry out being cycled to repeat detection;
Described failure prediction module, determine the status signal of surveyed area by railway section address and subtract each other with surveyed area normal working parameter value and obtain signal difference, judge whether signal difference is greater than predetermined threshold value, if so, then send failure prediction alerting signal; If nothing, then enter next surveyed area and carry out being cycled to repeat detection.
Further, described data transmission module comprises power carrier receiver module and power carrier transmitter module; Described power carrier receiver module by the signal coupling on power lead to track-circuit signalling collecting unit; The data needing to send are transferred to supervisor through being coupled on power lead by described power carrier transmitter module.
Further, described track-circuit signalling collecting unit comprises current sensor, voltage sensor, temperature signal collection unit and moisture signal collecting unit;
Described current sensor, for gathering the current signal of ladle copper cash and cable on railway;
Described voltage sensor, for acquisition trajectory rail level and voltage cable signal;
Described temperature signal collection unit, for gathering the temperature data signal of railway equipment;
Described moisture signal collecting unit, for gathering the humidity data signal of railway equipment.
Further, the track-circuit signalling collecting unit arranged in described supervisor on each interval of promising railway provides the Switching Power Supply of power supply.
Further, the A/D converter that described A/D modular converter adopts STM32 micro controller system to carry, carries out wheel stream translation by A/D converter to the signal of multiple passage; Specific as follows:
Adopt the timer counter timing of STM32 micro controller system, when the value of counting machine is kept to 0, counter overflow, timer enters break in service, triggers A/D conversion, makes the signal of each passage carry out A/D conversion, simultaneously timer reclocking, prepares to trigger next time.
Further, the transmitting procedure of described DMA transport module is as follows:
After A/D conversion there is not module to convert current and voltage signals to digital signal, first by conversion after digital data transmission to the memory field opened up in advance, when the data of memory field reach preset value, trigger DMA transport module to interrupt, enter DMA interrupt service subroutine, digital signal is transferred to respectively the array of each passage store data, and then is input in shift frequency demodulation module.
Two of object of the present invention is achieved through the following technical solutions:
A kind of track-circuit signalling method of inspection provided by the invention, comprises the following steps:
S1: the circuit working state signal gathering railway track circuit;
S2: convert circuit working state signal to digital signal;
S3: by digital data transmission in internal memory;
S4: circuit working state detection signal digital signal being obtained track circuit by Frequency-shift;
S5: acceptor circuit mode of operation detection signal also carries out data processing; Described data processing detailed process is as follows:
S51: the railway section address parsing status signal generation from circuit working state detection signal;
S52: detection railroad track is carried out detection route subregion according to the compartment model preset and forms multiple surveyed area;
S53: store the different surveyed area normal working parameter value on railway detection route;
S54: the status signal parsing different surveyed area from circuit working state detection signal;
S55: determine the status signal of surveyed area according to railway section address and compare with surveyed area normal working parameter value, judging whether surveyed area has fault, if had, then send failure alarm signal; If nothing, then enter next surveyed area and carry out being cycled to repeat detection;
S56: determine the status signal of surveyed area by railway section address and subtract each other with surveyed area normal working parameter value and obtain signal difference, judging whether signal difference is greater than predetermined threshold value, if so, then send failure prediction alerting signal; If nothing, then enter next surveyed area and carry out being cycled to repeat detection;
S6: circuit working state detection signal is stored in memory;
S7: the circuit working state detection signal of shift frequency demodulation module demodulation is transferred to supervisor;
S8: by the signal coupling on power lead to track-circuit signalling collecting unit;
S9: the data needing to send are transferred to supervisor through being coupled on power lead.
Further, described circuit working state detection signal comprises the current signal, acquisition trajectory rail level and the voltage cable signal that gather ladle copper cash and cable on railway, the temperature data signal gathering railway equipment and gathers the humidity data signal of railway equipment.
Further, the track-circuit signalling collecting unit arranged in described supervisor on each interval of promising railway provides the Switching Power Supply of power supply.
Further, the A/D converter that described A/D conversion adopts STM32 micro controller system to carry, carries out wheel stream translation by A/D converter to the signal of multiple passage; Specific as follows:
Adopt the timer counter timing of STM32 micro controller system, when the value of counting machine is kept to 0, counter overflow, timer enters break in service, triggers A/D conversion, makes the signal of each passage carry out A/D conversion, simultaneously timer reclocking, prepares to trigger next time.
The transmitting procedure of described DMA transmission is as follows:
After A/D conversion there is not module to convert current and voltage signals to digital signal, first by conversion after digital data transmission to the memory field opened up in advance, when the data of memory field reach preset value, trigger DMA transport module to interrupt, enter DMA interrupt service subroutine, digital signal is transferred to respectively the array of each passage store data, and then is input in shift frequency demodulation module.
Adopt after said structure, the present invention compared to the prior art advantageously:
A kind of track circuit acquisition system provided by the invention, can Real-Time Monitoring railway signal and equipment whether normal.By gathering the electric current of ladle copper cash and cable on railway, rail level and voltage cable, and the data such as the humiture of railway equipment.The each section operation situation of railway can be grasped at any time, the mode of operation in each interval of qualitative analysis, contingent fault can be got rid of in advance.When a failure occurs it, the signal according to monitoring can by fault localization to concrete interval and equipment, for trouble-shooting brings great convenience.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described:
Fig. 1 is track-circuit signalling acquisition system figure of the present invention;
Fig. 2 is track-circuit signalling collecting unit communication scheme of the present invention;
Fig. 3 is track-circuit signalling acquisition management machine frame figure of the present invention;
Fig. 4 is outdoor track circuit comprehensive monitor system figure of the present invention;
Fig. 5 is lightning protection power source circuit diagram of the present invention.
Detailed description of the invention
The following stated is only preferred embodiment of the present invention, does not therefore limit protection scope of the present invention.
Embodiment, see shown in Fig. 1 to Fig. 3:
The outdoor track circuit comprehensive monitor system of the one that the present embodiment provides, comprises track-circuit signalling acquisition system, supervisor, railway monitoring communication system and microcomputer detecting system;
Described track-circuit signalling acquisition system is arranged at region to be detected for obtaining the status signal of the track circuit in district to be detected; Described status signal is transferred in supervisor by the mode of power carrier; Described supervisor is connected with microcomputer detecting system by railway monitoring communication system;
Described railway monitoring communication system is provided with lightning protection power source circuit, and described lightning protection power source circuit comprises power input, for preventing the temperature sensing element of rush of current, for preventing the self-recoverage protective tube of overcurrent, for the isolated supplies module, TVS pipe, the power output end that prevent superpotential pizo-resistance, common mode inductance coil, prevent the CY electric capacity of current break, have overcurrent protection function;
Described power input is connected in series by temperature sensing element and self-recoverage protective tube; Described pizo-resistance to be parallel to after self-recoverage protective tube successively with common mode inductance coil, CY electric capacity and isolated supplies model calling; After described TVS pipe is parallel to isolated supplies module, described power output end is connected with TVS pipe two ends.
Described track-circuit signalling acquisition system, comprises track-circuit signalling collecting unit, A/D modular converter, DMA transport module, shift frequency demodulation module, memory device, data transmission module and data processing module;
Described track-circuit signalling collecting unit, for gathering the circuit working state signal of railway track circuit;
Described A/D modular converter, for converting circuit working state signal to digital signal;
Described DMA transport module, for by digital data transmission in internal memory;
Described shift frequency demodulation module, for obtaining the circuit working state detection signal of track circuit by Frequency-shift by digital signal;
Described memory device, for storing the process data signal that data processing module exports;
Described data transmission module, for being transferred to supervisor by the circuit working state detection signal of shift frequency demodulation module demodulation;
Described data processing module, for receiving the circuit working state detection signal of shift frequency demodulation module output and carrying out data processing; Described data processing module comprises normal condition memory module, surveyed area detected value module, breakdown judge module, failure prediction module between data address module, railway work division module, detection zone;
Described data address module, for parsing the railway section address that status signal occurs from circuit working state detection signal;
Described railway work division module, forms multiple surveyed area for detection railroad track is carried out detection route subregion according to the compartment model preset;
Normal condition memory module between described detection zone, for storing the different surveyed area normal working parameter value on railway detection route;
Described surveyed area detected value module, for parsing the status signal of different surveyed area from circuit working state detection signal;
Described breakdown judge module, for determining the status signal of surveyed area according to railway section address and comparing with surveyed area normal working parameter value, judges whether surveyed area has fault, if had, then sends failure alarm signal; If nothing, then enter next surveyed area and carry out being cycled to repeat detection;
Described failure prediction module, determine the status signal of surveyed area by railway section address and subtract each other with surveyed area normal working parameter value and obtain signal difference, judge whether signal difference is greater than predetermined threshold value, if so, then send failure prediction alerting signal; If nothing, then enter next surveyed area and carry out being cycled to repeat detection.
Described data transmission module comprises power carrier receiver module and power carrier transmitter module; Described power carrier receiver module by the signal coupling on power lead to track-circuit signalling collecting unit; The data needing to send are transferred to supervisor through being coupled on power lead by described power carrier transmitter module.
Described track-circuit signalling collecting unit comprises current sensor, voltage sensor, temperature signal collection unit and moisture signal collecting unit;
Described current sensor, for gathering the current signal of ladle copper cash and cable on railway;
Described voltage sensor, for acquisition trajectory rail level and voltage cable signal;
Described temperature signal collection unit, for gathering the temperature data signal of railway equipment;
Described moisture signal collecting unit, for gathering the humidity data signal of railway equipment.
The track-circuit signalling collecting unit arranged in described supervisor on each interval of promising railway provides the Switching Power Supply of power supply.
The A/D converter that described A/D modular converter adopts STM32 micro controller system to carry, carries out wheel stream translation by A/D converter to the signal of multiple passage; Specific as follows:
Adopt the timer counter timing of STM32 micro controller system, when the value of counting machine is kept to 0, counter overflow, timer enters break in service, triggers A/D conversion, makes the signal of each passage carry out A/D conversion, simultaneously timer reclocking, prepares to trigger next time.
The transmitting procedure of described DMA transport module is as follows:
After A/D conversion there is not module to convert current and voltage signals to digital signal, first by conversion after digital data transmission to the memory field opened up in advance, when the data of memory field reach preset value, trigger DMA transport module to interrupt, enter DMA interrupt service subroutine, digital signal is transferred to respectively the array of each passage store data, and then is input in shift frequency demodulation module.
Shift frequency demodulation module in the present embodiment calls shift frequency demodulating algorithm and carries out demodulation, obtains real current magnitude of voltage and the low frequency coded signal of digital signal.
Data processing module in the present embodiment adopts calibration coefficient to calculate actual current voltage signal values; According to the order that reason supervisor is sent, complete relevant work, or upload corresponding data or state; And timing uploading detection is to data, uploading corresponding data in real time, and realizing the Real-Time Monitoring to error state when having car or device damage.
Memory device in the present embodiment is used for calibration coefficient, equipment self ID, the dominant frequency Value Data of storage of collected unit, reads data and configure the mode of operation of track circuit acquisition system during startup.
Software watchdog in the present embodiment, for monitoring program, when program occurs abnormal, reset micro controller system.Hardware watchdog is used for monitoring micro controller system, and when micro controller system does not export pulse to hardware watchdog in 1.6S, hardware watchdog just sends a reset pulse to micro controller system makes micro controller system restart.Adopt the communication of power carrier mode between track-circuit signalling collecting unit and supervisor, only need two line power leads, communication distance can reach 10km.
Data processing module in the present embodiment adopts calibration coefficient to calculate actual current voltage signal values; According to the order that reason supervisor is sent, complete relevant work, or upload corresponding data or state; And timing uploading detection is to data, uploading corresponding data in real time, and realizing the Real-Time Monitoring to error state when having car or device damage.
The track-circuit signalling collecting unit arranged in supervisor in the present embodiment on each interval of promising railway provides the Switching Power Supply of power supply, each collecting unit is equipped with small-power switching power-supply module, this switch power module has wider input voltage, to adapt to the situation that when long distance is powered, different distance power supply voltage pressure reduction is larger, provide stable DC supply to collecting unit simultaneously.Collecting unit adopts the design of low-power consumption theory, selects high efficiency switch power supply and device, makes its Overall Power Consumption reach minimum, adopts the built-in Switching Power Supply of supervisor just can realize the cascade with dozens of collecting unit
This example additionally provides a kind of track-circuit signalling method of inspection, comprises the following steps:
S1: the circuit working state signal gathering railway track circuit;
S2: convert circuit working state signal to digital signal;
S3: by digital data transmission in internal memory;
S4: circuit working state detection signal digital signal being obtained track circuit by Frequency-shift;
S5: acceptor circuit mode of operation detection signal also carries out data processing; Described data processing detailed process is as follows:
S51: the railway section address parsing status signal generation from circuit working state detection signal;
S52: detection railroad track is carried out detection route subregion according to the compartment model preset and forms multiple surveyed area;
S53: store the different surveyed area normal working parameter value on railway detection route;
S54: the status signal parsing different surveyed area from circuit working state detection signal;
S55: determine the status signal of surveyed area according to railway section address and compare with surveyed area normal working parameter value, judging whether surveyed area has fault, if had, then send failure alarm signal; If nothing, then enter next surveyed area and carry out being cycled to repeat detection;
S56: determine the status signal of surveyed area by railway section address and subtract each other with surveyed area normal working parameter value and obtain signal difference, judging whether signal difference is greater than predetermined threshold value, if so, then send failure prediction alerting signal; If nothing, then enter next surveyed area and carry out being cycled to repeat detection;
S6: circuit working state detection signal is stored in memory;
S7: the circuit working state detection signal of shift frequency demodulation module demodulation is transferred to supervisor;
S8: by the signal coupling on power lead to track-circuit signalling collecting unit;
S9: the data needing to send are transferred to supervisor through being coupled on power lead.
Described circuit working state detection signal comprises the current signal, acquisition trajectory rail level and the voltage cable signal that gather ladle copper cash and cable on railway, the temperature data signal gathering railway equipment and gathers the humidity data signal of railway equipment.
The track-circuit signalling collecting unit arranged in described supervisor on each interval of promising railway provides the Switching Power Supply of power supply.
The A/D converter that described A/D conversion adopts STM32 micro controller system to carry, carries out wheel stream translation by A/D converter to the signal of multiple passage; Specific as follows:
Adopt the timer counter timing of STM32 micro controller system, when the value of counting machine is kept to 0, counter overflow, timer enters break in service, triggers A/D conversion, makes the signal of each passage carry out A/D conversion, simultaneously timer reclocking, prepares to trigger next time.
The transmitting procedure of described DMA transmission is as follows:
After A/D conversion there is not module to convert current and voltage signals to digital signal, first by conversion after digital data transmission to the memory field opened up in advance, when the data of memory field reach preset value, trigger DMA transport module to interrupt, enter DMA interrupt service subroutine, digital signal is transferred to respectively the array of each passage store data, and then is input in shift frequency demodulation module.
Track-circuit signalling acquisition system widely uses at present, other structure and principle same as the prior art, repeat no more here.
Claims (10)
1. an outdoor track circuit comprehensive monitor system, is characterized in that: comprise track-circuit signalling acquisition system, supervisor, railway monitoring communication system and microcomputer detecting system;
Described track-circuit signalling acquisition system is arranged at region to be detected for obtaining the status signal of the track circuit in district to be detected; Described status signal is transferred in supervisor by the mode of power carrier; Described supervisor is connected with microcomputer detecting system by railway monitoring communication system;
Described railway monitoring communication system is provided with lightning protection power source circuit, and described lightning protection power source circuit comprises power input, for preventing the temperature sensing element of rush of current, for preventing the self-recoverage protective tube of overcurrent, for the isolated supplies module, TVS pipe, the power output end that prevent superpotential pizo-resistance, common mode inductance coil, prevent the CY electric capacity of current break, have overcurrent protection function;
Described power input is connected in series by temperature sensing element and self-recoverage protective tube; Described pizo-resistance to be parallel to after self-recoverage protective tube successively with common mode inductance coil, CY electric capacity and isolated supplies model calling; After described TVS pipe is parallel to isolated supplies module, described power output end is connected with TVS pipe two ends.
2. outdoor track circuit comprehensive monitor system according to claim 1, is characterized in that: described track-circuit signalling acquisition system comprises track-circuit signalling collecting unit, A/D modular converter, DMA transport module, shift frequency demodulation module, memory device, data transmission module and data processing module;
Described track-circuit signalling collecting unit, for gathering the circuit working state signal of railway track circuit;
Described A/D modular converter, for converting circuit working state signal to digital signal;
Described DMA transport module, for by digital data transmission in internal memory;
Described shift frequency demodulation module, for obtaining the circuit working state detection signal of track circuit by Frequency-shift by digital signal;
Described memory device, for storing the process data signal that data processing module exports;
Described data transmission module, for being transferred to supervisor by the circuit working state detection signal of shift frequency demodulation module demodulation;
Described data processing module, for receiving the circuit working state detection signal of shift frequency demodulation module output and carrying out data processing; Described data processing module comprises normal condition memory module, surveyed area detected value module, breakdown judge module, failure prediction module between data address module, railway work division module, detection zone;
Described data address module, for parsing the railway section address that status signal occurs from circuit working state detection signal;
Described railway work division module, forms multiple surveyed area for detection railroad track is carried out detection route subregion according to the compartment model preset;
Normal condition memory module between described detection zone, for storing the different surveyed area normal working parameter value on railway detection route;
Described surveyed area detected value module, for parsing the status signal of different surveyed area from circuit working state detection signal;
Described breakdown judge module, for determining the status signal of surveyed area according to railway section address and comparing with surveyed area normal working parameter value, judges whether surveyed area has fault, if had, then sends failure alarm signal; If nothing, then enter next surveyed area and carry out being cycled to repeat detection;
Described failure prediction module, determine the status signal of surveyed area by railway section address and subtract each other with surveyed area normal working parameter value and obtain signal difference, judge whether signal difference is greater than predetermined threshold value, if so, then send failure prediction alerting signal; If nothing, then enter next surveyed area and carry out being cycled to repeat detection.
3. outdoor track circuit comprehensive monitor system according to claim 2, is characterized in that: described data transmission module comprises power carrier receiver module and power carrier transmitter module; Described power carrier receiver module by the signal coupling on power lead to track-circuit signalling collecting unit; The data needing to send are transferred to supervisor through being coupled on power lead by described power carrier transmitter module.
4. outdoor track circuit comprehensive monitor system according to claim 2, is characterized in that: described track-circuit signalling collecting unit comprises current sensor, voltage sensor, temperature signal collection unit and moisture signal collecting unit;
Described current sensor, for gathering the current signal of ladle copper cash and cable on railway;
Described voltage sensor, for acquisition trajectory rail level and voltage cable signal;
Described temperature signal collection unit, for gathering the temperature data signal of railway equipment;
Described moisture signal collecting unit, for gathering the humidity data signal of railway equipment;
Voltage sensor adopts voltage transformer;
Current sensor adopts opening jaw type current sensor;
The track-circuit signalling collecting unit arranged in described supervisor on each interval of promising railway provides the Switching Power Supply of power supply.
5. outdoor track circuit comprehensive monitor system according to claim 2, is characterized in that: the A/D converter that described A/D modular converter adopts STM32 micro controller system to carry, and carries out wheel stream translation by A/D converter to the signal of multiple passage; Specific as follows:
Adopt the timer counter timing of STM32 micro controller system, when the value of counting machine is kept to 0, counter overflow, timer enters break in service, triggers A/D conversion, makes the signal of each passage carry out A/D conversion, simultaneously timer reclocking, prepares to trigger next time.
6. outdoor track circuit comprehensive monitor system according to claim 2, is characterized in that: the transmitting procedure of described DMA transport module is as follows:
After A/D conversion there is not module to convert current and voltage signals to digital signal, first by conversion after digital data transmission to the memory field opened up in advance, when the data of memory field reach preset value, trigger DMA transport module to interrupt, enter DMA interrupt service subroutine, digital signal is transferred to respectively the array of each passage store data, and then is input in shift frequency demodulation module.
7. an outdoor track circuit integrated monitoring, is characterized in that: comprise the following steps:
S1: the circuit working state signal gathering railway track circuit;
S2: convert circuit working state signal to digital signal;
S3: by digital data transmission in internal memory;
S4: circuit working state detection signal digital signal being obtained track circuit by Frequency-shift;
S5: acceptor circuit mode of operation detection signal also carries out data processing; Described data processing detailed process is as follows:
S51: the railway section address parsing status signal generation from circuit working state detection signal;
S52: detection railroad track is carried out detection route subregion according to the compartment model preset and forms multiple surveyed area;
S53: store the different surveyed area normal working parameter value on railway detection route;
S54: the status signal parsing different surveyed area from circuit working state detection signal;
S55: determine the status signal of surveyed area according to railway section address and compare with surveyed area normal working parameter value, judging whether surveyed area has fault, if had, then send failure alarm signal; If nothing, then enter next surveyed area and carry out being cycled to repeat detection;
S56: determine the status signal of surveyed area by railway section address and subtract each other with surveyed area normal working parameter value and obtain signal difference, judging whether signal difference is greater than predetermined threshold value, if so, then send failure prediction alerting signal; If nothing, then enter next surveyed area and carry out being cycled to repeat detection;
S6: circuit working state detection signal is stored in memory;
S7: the circuit working state detection signal of shift frequency demodulation module demodulation is transferred to supervisor;
S8: by the signal coupling on power lead to track-circuit signalling collecting unit;
S9: the data needing to send are transferred to supervisor through being coupled on power lead.
8. outdoor track circuit integrated monitoring according to claim 7, is characterized in that: described circuit working state detection signal comprises the current signal, acquisition trajectory rail level and the voltage cable signal that gather ladle copper cash and cable on railway, the temperature data signal gathering railway equipment and gathers the humidity data signal of railway equipment.
9. outdoor track circuit integrated monitoring according to claim 7, is characterized in that: the track-circuit signalling collecting unit arranged in described supervisor on each interval of promising railway provides the Switching Power Supply of power supply.
10. outdoor track circuit integrated monitoring according to claim 7, is characterized in that: the A/D converter that described A/D conversion adopts STM32 micro controller system to carry, and carries out wheel stream translation by A/D converter to the signal of multiple passage; Specific as follows:
Adopt the timer counter timing of STM32 micro controller system, when the value of counting machine is kept to 0, counter overflow, timer enters break in service, triggers A/D conversion, makes the signal of each passage carry out A/D conversion, simultaneously timer reclocking, prepares to trigger next time.
The transmitting procedure of described DMA transmission is as follows:
After A/D conversion there is not module to convert current and voltage signals to digital signal, first by conversion after digital data transmission to the memory field opened up in advance, when the data of memory field reach preset value, trigger DMA transport module to interrupt, enter DMA interrupt service subroutine, digital signal is transferred to respectively the array of each passage store data, and then is input in shift frequency demodulation module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410455548.5A CN104228882A (en) | 2014-09-09 | 2014-09-09 | Outdoor track circuit integrated monitoring system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410455548.5A CN104228882A (en) | 2014-09-09 | 2014-09-09 | Outdoor track circuit integrated monitoring system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104228882A true CN104228882A (en) | 2014-12-24 |
Family
ID=52218015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410455548.5A Pending CN104228882A (en) | 2014-09-09 | 2014-09-09 | Outdoor track circuit integrated monitoring system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104228882A (en) |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105866510A (en) * | 2016-05-17 | 2016-08-17 | 卡斯柯信号有限公司 | Monitoring system for railway outdoor trackside signal equipment |
| CN106274991A (en) * | 2016-08-23 | 2017-01-04 | 四川网达科技有限公司 | Railway fail analysis device and method |
| CN107290648A (en) * | 2017-07-03 | 2017-10-24 | 上海铁路通信有限公司 | A kind of signal collection and transmission apparatus for track circuit |
| CN107807325A (en) * | 2017-10-23 | 2018-03-16 | 柳州铁道职业技术学院 | Based on the theoretical railway track circuit reliability analysis system of multimode and its method |
| CN108072806A (en) * | 2017-11-13 | 2018-05-25 | 北京全路通信信号研究设计院集团有限公司 | A kind of track circuit failure diagnostic system and diagnostic method |
| CN108248644A (en) * | 2018-02-14 | 2018-07-06 | 宁波思高信通科技有限公司 | A kind of ZPW2000 interval orbits outdoor signal monitors system |
| CN108415324A (en) * | 2018-02-14 | 2018-08-17 | 宁波思高信通科技有限公司 | A kind of railway outdoor signal acquisition system |
| CN108501980A (en) * | 2018-03-23 | 2018-09-07 | 固安信通信号技术股份有限公司 | The monitoring method and terminal device of track circuit equipment |
| CN108663614A (en) * | 2018-07-27 | 2018-10-16 | 柳州和利时科技有限责任公司 | Resistance-capacitance box with exchange track switch indication circuit working state monitoring |
| CN108663612A (en) * | 2018-05-16 | 2018-10-16 | 吉林市盈冲科技有限公司 | A kind of track circuit failure automatic detection device |
| CN109815210A (en) * | 2018-12-29 | 2019-05-28 | 河北省科学院应用数学研究所 | Railway voltage abnormal data monitoring method, system and terminal device |
| CN110161402A (en) * | 2019-06-19 | 2019-08-23 | 上海工程技术大学 | A kind of monitoring of track circuit failure and diagnostic system |
| CN110254476A (en) * | 2018-03-12 | 2019-09-20 | 上海铁鑫电气科技有限公司 | A kind of railway signal track circuit lead wire broken string on-line monitoring equipment |
| CN110450824A (en) * | 2019-07-26 | 2019-11-15 | 深圳市科安达轨道交通技术有限公司 | A kind of railway signal monitoring system based on multi-channel optical fibre communication |
| CN110525486A (en) * | 2019-08-14 | 2019-12-03 | 朔黄铁路发展有限责任公司 | Train operation state recognition methods, device, system and storage medium |
| CN110920670A (en) * | 2019-12-13 | 2020-03-27 | 斯比夫（西安）照明技术有限公司 | Outdoor monitoring and diagnosing system for track circuit |
| CN111060863A (en) * | 2019-12-29 | 2020-04-24 | 合肥工大高科信息科技股份有限公司 | Automatic calibration method and system for micro-electronic receiver of track circuit |
| CN112462126A (en) * | 2020-10-23 | 2021-03-09 | 北京全路通信信号研究设计院集团有限公司 | Track circuit outdoor equipment with non-contact voltage acquisition function |
| CN113954907A (en) * | 2021-12-21 | 2022-01-21 | 中铁通信信号勘测设计院有限公司 | 25Hz phase-sensitive track circuit monitoring method and system |
| CN117382699A (en) * | 2023-12-13 | 2024-01-12 | 黑龙江瑞兴科技股份有限公司 | Signal acquisition and transmission system and method for interval track equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2896126A (en) * | 1956-09-04 | 1959-07-21 | Gen Railway Signal Co | Lightning protection for an electronic track circuit |
| CN201234130Y (en) * | 2008-06-24 | 2009-05-06 | 中兴通讯股份有限公司 | Lightning arrester circuit for communication equipment |
| JP2012017015A (en) * | 2010-07-08 | 2012-01-26 | Sankosha Corp | Protective device |
| CN102608475A (en) * | 2012-04-08 | 2012-07-25 | 柳州辰天科技有限责任公司 | Track circuit electrical characteristic monitoring system |
| CN202693751U (en) * | 2012-08-02 | 2013-01-23 | 中国神华能源股份有限公司 | Railway signal monitoring system |
-
2014
- 2014-09-09 CN CN201410455548.5A patent/CN104228882A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2896126A (en) * | 1956-09-04 | 1959-07-21 | Gen Railway Signal Co | Lightning protection for an electronic track circuit |
| CN201234130Y (en) * | 2008-06-24 | 2009-05-06 | 中兴通讯股份有限公司 | Lightning arrester circuit for communication equipment |
| JP2012017015A (en) * | 2010-07-08 | 2012-01-26 | Sankosha Corp | Protective device |
| CN102608475A (en) * | 2012-04-08 | 2012-07-25 | 柳州辰天科技有限责任公司 | Track circuit electrical characteristic monitoring system |
| CN202693751U (en) * | 2012-08-02 | 2013-01-23 | 中国神华能源股份有限公司 | Railway signal monitoring system |
Non-Patent Citations (2)
| Title |
|---|
| 张永峰: "对数据采集器等受雷击情况的分析及对策", 《电子科技》 * |
| 王彦快: "25HZ相敏轨道电路分路不良预警系统的研究与设计", 《中国优秀硕士学位论文全文数据库工程科技II辑》 * |
Cited By (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105866510A (en) * | 2016-05-17 | 2016-08-17 | 卡斯柯信号有限公司 | Monitoring system for railway outdoor trackside signal equipment |
| CN105866510B (en) * | 2016-05-17 | 2023-06-06 | 卡斯柯信号有限公司 | Monitoring system for railway outdoor trackside signal equipment |
| CN106274991A (en) * | 2016-08-23 | 2017-01-04 | 四川网达科技有限公司 | Railway fail analysis device and method |
| CN107290648A (en) * | 2017-07-03 | 2017-10-24 | 上海铁路通信有限公司 | A kind of signal collection and transmission apparatus for track circuit |
| CN107290648B (en) * | 2017-07-03 | 2024-04-05 | 上海铁路通信有限公司 | Signal acquisition and transmission device for track circuit |
| CN107807325A (en) * | 2017-10-23 | 2018-03-16 | 柳州铁道职业技术学院 | Based on the theoretical railway track circuit reliability analysis system of multimode and its method |
| CN107807325B (en) * | 2017-10-23 | 2023-11-03 | 柳州铁道职业技术学院 | Railway track circuit reliability analysis system and method based on multi-state theory |
| CN108072806A (en) * | 2017-11-13 | 2018-05-25 | 北京全路通信信号研究设计院集团有限公司 | A kind of track circuit failure diagnostic system and diagnostic method |
| CN108248644A (en) * | 2018-02-14 | 2018-07-06 | 宁波思高信通科技有限公司 | A kind of ZPW2000 interval orbits outdoor signal monitors system |
| CN108415324A (en) * | 2018-02-14 | 2018-08-17 | 宁波思高信通科技有限公司 | A kind of railway outdoor signal acquisition system |
| CN110254476A (en) * | 2018-03-12 | 2019-09-20 | 上海铁鑫电气科技有限公司 | A kind of railway signal track circuit lead wire broken string on-line monitoring equipment |
| CN108501980A (en) * | 2018-03-23 | 2018-09-07 | 固安信通信号技术股份有限公司 | The monitoring method and terminal device of track circuit equipment |
| CN108663612A (en) * | 2018-05-16 | 2018-10-16 | 吉林市盈冲科技有限公司 | A kind of track circuit failure automatic detection device |
| CN108663614A (en) * | 2018-07-27 | 2018-10-16 | 柳州和利时科技有限责任公司 | Resistance-capacitance box with exchange track switch indication circuit working state monitoring |
| CN109815210B (en) * | 2018-12-29 | 2022-04-29 | 河北省科学院应用数学研究所 | Track voltage abnormal data monitoring method and system and terminal equipment |
| CN109815210A (en) * | 2018-12-29 | 2019-05-28 | 河北省科学院应用数学研究所 | Railway voltage abnormal data monitoring method, system and terminal device |
| CN110161402A (en) * | 2019-06-19 | 2019-08-23 | 上海工程技术大学 | A kind of monitoring of track circuit failure and diagnostic system |
| CN110450824A (en) * | 2019-07-26 | 2019-11-15 | 深圳市科安达轨道交通技术有限公司 | A kind of railway signal monitoring system based on multi-channel optical fibre communication |
| CN110525486A (en) * | 2019-08-14 | 2019-12-03 | 朔黄铁路发展有限责任公司 | Train operation state recognition methods, device, system and storage medium |
| CN110920670A (en) * | 2019-12-13 | 2020-03-27 | 斯比夫（西安）照明技术有限公司 | Outdoor monitoring and diagnosing system for track circuit |
| CN111060863B (en) * | 2019-12-29 | 2022-05-03 | 合肥工大高科信息科技股份有限公司 | Automatic calibration method and system for micro-electronic receiver of track circuit |
| CN111060863A (en) * | 2019-12-29 | 2020-04-24 | 合肥工大高科信息科技股份有限公司 | Automatic calibration method and system for micro-electronic receiver of track circuit |
| WO2022083175A1 (en) * | 2020-10-23 | 2022-04-28 | 北京全路通信信号研究设计院集团有限公司 | Track circuit outdoor device having non-contact voltage acquisition function |
| CN112462126B (en) * | 2020-10-23 | 2023-04-28 | 北京全路通信信号研究设计院集团有限公司 | Track circuit outdoor equipment with non-contact voltage acquisition function |
| CN112462126A (en) * | 2020-10-23 | 2021-03-09 | 北京全路通信信号研究设计院集团有限公司 | Track circuit outdoor equipment with non-contact voltage acquisition function |
| CN113954907A (en) * | 2021-12-21 | 2022-01-21 | 中铁通信信号勘测设计院有限公司 | 25Hz phase-sensitive track circuit monitoring method and system |
| CN117382699A (en) * | 2023-12-13 | 2024-01-12 | 黑龙江瑞兴科技股份有限公司 | Signal acquisition and transmission system and method for interval track equipment |
| CN117382699B (en) * | 2023-12-13 | 2024-02-27 | 黑龙江瑞兴科技股份有限公司 | Signal acquisition and transmission system and method for interval track equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104228882A (en) | Outdoor track circuit integrated monitoring system and method | |
| CN103033715B (en) | Operating status detection system for area equipment in converting station | |
| CN104267633A (en) | Track circuit signal collection system and method | |
| CN106291201B (en) | Lightning monitoring and degradation state monitoring system and method for lightning protection box | |
| CN102426317B (en) | Fault detection method of intelligent power grid | |
| CN106291230A (en) | A kind of Multifunctional power cable fault location on-line monitoring system | |
| CN205811520U (en) | The open phase protection that multiple redundancy Intelligent live amount shows | |
| CN103076478A (en) | Anti-electricity larceny method, device and system for communication base station | |
| CN105445594A (en) | Power grid fault detection system | |
| CN206270446U (en) | A kind of grounding resistor intelligent monitor system for mesolow electrical power trans mission/distribution system | |
| CN202929155U (en) | Overhead line real-time detection system based on wireless sensor network | |
| CN206057461U (en) | A kind of lightning monitoring and deterioration state monitoring system of lightning protection box | |
| CN105896473B (en) | The open phase protection and its control method that multiple redundancy Intelligent live amount is shown | |
| CN109473878B (en) | Online temperature measurement system of direct current switch cabinet body for locomotive power supply | |
| CN202814597U (en) | High-voltage power transmission line temperature measuring system | |
| CN208125898U (en) | DC screen of transformer substation monitors system with accumulator status | |
| CN110601656A (en) | Photovoltaic power generation fault monitoring system and method thereof | |
| CN210665979U (en) | Transmission line DC power supply detection device | |
| CN204154852U (en) | Transmission and distribution network fault location system | |
| CN205811660U (en) | Electric power supervisory control remote viewing equipment abnormality remote alarming device | |
| CN105223892A (en) | Intelligent transformer | |
| CN106094693A (en) | Temperature humidity intelligent online for box switching station is monitored and Three-tele system | |
| CN206311237U (en) | A kind of temperature of oil in transformer detection means | |
| CN104852295A (en) | High-low voltage switch cabinet with automatic monitoring function | |
| CN207670427U (en) | Rail traction current imbalance monitors system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141224 |