CN109975655A - Railway power penetrates through cable fault early warning and positioning device - Google Patents
Railway power penetrates through cable fault early warning and positioning device Download PDFInfo
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- CN109975655A CN109975655A CN201910223097.5A CN201910223097A CN109975655A CN 109975655 A CN109975655 A CN 109975655A CN 201910223097 A CN201910223097 A CN 201910223097A CN 109975655 A CN109975655 A CN 109975655A
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- 238000012545 processing Methods 0.000 claims abstract description 48
- 238000012544 monitoring process Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 3
- 230000004807 localization Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims 1
- 230000002159 abnormal effect Effects 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 230000006870 function Effects 0.000 description 3
- 230000001012 protector Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000000750 progressive effect Effects 0.000 description 1
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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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Abstract
The invention discloses railway power perforation cable fault early warning and positioning devices, the present invention passes through temperature data samwpling unit first, grounding circulation data acquisition unit, the acquisition of power frequency Wave data and processing unit and high frequency waveforms data acquisition and processing (DAP) unit come to temperature, grounding circulation, power frequency component and high-frequency signal are acquired, collected data are compared and analyzed with normal data respectively, it was found that data exception then carries out early warning, and failure is quickly positioned according to abnormal data, it realizes and comprehensive comprehensive intelligent real time on-line monitoring is carried out to railway power perforation cable run and cable accessory, realize the function of being positioned before electric power perforation cable fault after early warning and failure, greatly meet railway power perforation cable run intelligence O&M demand, it improves railway power perforation cable line fault analysis and looks into The efficiency looked for, for railway power power supply system is safe and reliable, stable operation provides powerful guarantee.
Description
Technical field
The present invention relates to fault pre-alarming and positioning device technical field, more particularly to railway power penetrates through cable
Fault pre-alarming and positioning device.
Background technique
Power supply mode of the China express railway power supply system using double electric power perforation cable runs, Liang Zuo distribution substation
Between setting first order load electric power penetrate through cable run and synthetic load electric power and penetrate through cable run, two electric power penetrate through cables
Road is all made of single-core power cables power-supplying forms.Currently, high-speed railway electric power perforation cable run do not have it is comprehensive comprehensive
The on-Line Monitor Device positioned after pre-failure warning and failure, existing apparatus cannot systematic on-line monitoring electric power perforation cables
And the operating condition of cable accessory, including cable ends end connection operation conditions, cable metal layer ground connection situation and cable
Sheath protector operation conditions.When electric power penetrates through cable run or the generation of cable accessory failure, existing apparatus can not carry out failure
Comprehensive analysis judgement, can not find the immediate cause for causing failure in time.Often due to the straight of failure cannot be found in time
It connects reason and eliminates power supply recovered from failure in time, operating normally on the safety of railway will cause certain influence, and iron is caused when serious
It stops transport and occurs accident in road.
Therefore, how to realize to railway power penetrate through cable run and cable accessory carry out it is comprehensive it is comprehensive it is real-time
Line monitoring realizes the function of being positioned before electric power perforation cable fault after early warning and failure, to meet railway power perforation cable
The problem of O&M demand on road promotes the automatization level of railway power power supply system, is those skilled in the art's urgent need to resolve.
Summary of the invention
In view of this, its object is to realities the present invention provides railway power perforation cable fault early warning and positioning device
Cable now is penetrated through to railway power and end connection operation conditions, cable metal layer ground connection situation and cable protective layer protector are transported
Row situation real time on-line monitoring, carry out cable fault comprehensive analysis judgement, realize electric power perforation cable fault before early warning and
The function of being positioned after failure.
To achieve the goals above, the present invention adopts the following technical scheme:
Railway power penetrates through cable fault early warning and positioning device, comprising: online fault pre-alarming and positioning unit, data are adopted
Collect module and CPU processing unit；
The online fault pre-alarming and positioning unit and the data acquisition module are connected with the CPU processing unit,
The online fault pre-alarming and positioning unit are connected with the data acquisition module；
Collected data and are sent to the online failure for realizing the acquisition of data by the data acquisition module
Early warning and positioning unit；
The online fault pre-alarming and positioning unit are used to carry out accident analysis to collected data, carry out to failure pre-
Alert and positioning, and the fault message that will test is sent to the CPU processing unit；
The CPU processing unit is used to handle detected failure；
Wherein, the data acquisition module includes temperature data samwpling unit and grounding circulation data acquisition unit, described
Temperature data samwpling unit and the grounding circulation data acquisition unit are connected with the CPU processing unit；
The temperature data samwpling unit is used for real-time temperature collection data；
The grounding circulation data acquisition unit is grounded the data of upper size of current for acquiring in real time.
Preferably, the data acquisition module further includes temperature pre-warning unit and grounding circulation prewarning unit；
The temperature data samwpling unit passes through the temperature pre-warning unit and the online fault pre-alarming and positioning unit
It is connected；
The grounding circulation data acquisition unit by the grounding circulation prewarning unit and the online fault pre-alarming and
Positioning unit is connected；
Wherein the temperature pre-warning unit and the grounding circulation prewarning unit are used to carry out failure early warning, and will be former
Barrier information is sent to the online fault pre-alarming and positioning unit.
Preferably, the data acquisition module further includes the acquisition of power frequency Wave data and processing unit and high frequency waves figurate number
According to acquisition and processing unit；
Power frequency Wave data acquisition and processing unit and the high frequency waveforms data acquisition and processing (DAP) unit with
The online fault pre-alarming and positioning unit are connected；
Wherein the power frequency Wave data acquisition and processing unit and the high frequency waveforms data acquisition and processing (DAP) unit
It is respectively used to acquire power frequency component and high-frequency signal in real time and analysis is handled.
It preferably, further include DCOM unit, time service clock unit, usb interface unit, power module unit and storage
Modular unit, and the DCOM unit, the time service clock unit, the usb interface unit, the power module unit
It is connected respectively with the CPU processing unit with the memory module unit.
Railway power penetrates through cable fault early warning and localization method, specifically includes: railway power perforation cable fault is pre-
Alert and positioning device is set to railway power perforation cable run both ends, the electric power perforation cable fault early warning and positioning device
Completion prison in real time is acquired by penetrating through cable run progress temperature, grounding circulation, electric current and voltage to railway power respectively
Survey, by being compared and analyzed to collected data and normal data, find to carry out after data exception early warning and to failure into
Row positioning, is finally sent to device backstage main website for fault message and is further processed.
It can be seen via above technical scheme that compared with prior art, the present disclosure provides railway power perforation electricity
Cable fault pre-alarming and positioning device, the first present invention pass through temperature data samwpling unit, grounding circulation data acquisition unit, power frequency
Wave data acquisition and processing unit and high frequency waveforms data acquisition and processing (DAP) unit come to temperature, grounding circulation, power frequency component
It is acquired with high-frequency signal, collected data is compared and analyzed with normal data respectively, discovery data exception is then
Early warning is carried out, and failure is quickly positioned according to abnormal data, realizes and cable run and electricity is penetrated through to railway power
Cable fittings carry out comprehensive comprehensive intelligent real time on-line monitoring, determine after early warning and failure before realization electric power perforation cable fault
The function of position greatly meets railway power perforation cable run intelligence O&M demand, improves railway power perforation cable
Efficiency line fault analysis and searched, for railway power power supply system is safe and reliable, stable operation provides powerful guarantee.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 attached drawing is structural schematic diagram provided by the invention；
Fig. 2 attached drawing is operation principle schematic diagram provided by the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the invention discloses railway power perforation cable fault early warning and positioning devices, as shown in Figure 1, comprising:
Online fault pre-alarming and positioning unit, data acquisition module and CPU processing unit；
Online fault pre-alarming and positioning unit and data acquisition module are connected with CPU processing unit, online fault pre-alarming
And positioning unit is connected with data acquisition module；
Collected data and are sent to online fault pre-alarming and fixed for realizing the acquisition of data by data acquisition module
Bit location；
Online fault pre-alarming and positioning unit are used to carry out accident analysis to collected data, to failure carry out early warning and
Positioning, and the fault message that will test is sent to CPU processing unit；
CPU processing unit is used to handle detected failure；
Wherein, data acquisition module includes temperature data samwpling unit and grounding circulation data acquisition unit, temperature data
Acquisition unit and grounding circulation data acquisition unit are connected with CPU processing unit；
Temperature data samwpling unit is used for real-time temperature collection data；
Grounding circulation data acquisition unit is grounded the data of upper size of current for acquiring in real time.
Further, data acquisition module further includes temperature pre-warning unit and grounding circulation prewarning unit；
Temperature data samwpling unit is connected by temperature pre-warning unit with online fault pre-alarming and positioning unit；
Grounding circulation data acquisition unit is connected by grounding circulation prewarning unit with online fault pre-alarming and positioning unit；
Wherein temperature pre-warning unit and grounding circulation prewarning unit are used to carry out early warning to failure, and fault message is sent out
It send to online fault pre-alarming and positioning unit.
Further, data acquisition module further includes the acquisition of power frequency Wave data and processing unit and high frequency waves figurate number
According to acquisition and processing unit；
The acquisition of power frequency Wave data and processing unit and high frequency waveforms data acquisition and processing (DAP) unit with online failure
Early warning and positioning unit are connected；
Wherein the acquisition of power frequency Wave data and processing unit and high frequency waveforms data acquisition and processing (DAP) unit are respectively used to
Power frequency component and high-frequency signal are acquired in real time and analysis is handled.
Further, further include DCOM unit, time service clock unit, usb interface unit, power module unit and
Memory module unit, and DCOM unit, time service clock unit, usb interface unit, power module unit and memory module list
Member is connected with CPU processing unit respectively.
Railway power penetrates through cable fault early warning and localization method, as shown in Fig. 2, specifically including: railway power is penetrated through
Cable fault early warning and positioning device need two sets and use simultaneously, are set to the distribution substation at railway power perforation cable run both ends
Or in case change.Electric power penetrates through cable fault early warning and positioning device and carries out temperature by penetrating through cable run to railway power respectively
Degree, grounding circulation, electric current and voltage, which are acquired, completes real-time monitoring, by carrying out pair to collected data and normal data
Than analysis, early warning being carried out after finding data exception and failure is positioned, it is main that fault message is finally sent to device backstage
Station is further processed.
Further, three single-core cable head temperature sensors are sent temperature data at photooptical data to by optical fiber
After managing device, the temperature data acquisition list in the fault pre-alarming positioning device in the present invention is conveyed electrical signals to by data processor
Member.Three single-core cable metal layer grounding circulation mutual inductors are sent to the electric signal of grounding circulation data by current transducer
The grounding circulation data acquisition unit of the device.Since railway power perforation cable run includes first order load perforation cable and comprehensive
It closes load and penetrates through cable, which can at least acquire the temperature data device of 6 ends and 6 single-core cable metal layers connect
Ground circulating data.
Online fault pre-alarming and positioning unit acquire the power frequency and high-frequency current and voltage data of respective cable route simultaneously,
The present apparatus can also be judged whether data are abnormal by the exception of Current Voltage and judge to whether there is failure on route.
The working principle of the device are as follows:
Temperature and grounding circulation data are adopted by temperature data samwpling unit and grounding circulation data acquisition unit
Collection, and collected data are sent to the analysis of temperature pre-warning unit and grounding circulation prewarning unit progress data respectively, when
It was found that data exception then passes through temperature pre-warning unit and grounding circulation prewarning unit carries out first early warning, and fault message is sent
To online fault pre-alarming and positioning device；The acquisition of power frequency Wave data and processing unit and high frequency waveforms data acquisition and processing (DAP) list
Member acquires power frequency component and high-frequency signal respectively, and analyzes collected signal data, when discovery power frequency component or height
Fault message is sent to online fault pre-alarming and positioning device after frequency signal data exception；Online fault pre-alarming and positioning unit
Realize comprehensive pre-warning；
In addition online fault pre-alarming and positioning unit are also used to position failure, and are determined in the following manner
Position: when some cable head temperature exception, illustrate that end connection is broken down, when a certain cable metal layer ground loop
When stream is abnormal, illustrates that this cable protective layer protector is breakdown, replaced；Cable body is by burst external force
When event destroys cable, pass through the number of power frequency Wave data acquisition and processing unit, high frequency waveforms data acquisition and processing (DAP) unit
Carry out timely fault point according to abnormal conditions and issues failure locating alarming.Online fault pre-alarming and positioning unit are positioned in early warning
Fault message is sent to CPU processing unit afterwards, by CPU processing unit come further to fault analysis and handling.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (5)
1. railway power penetrates through cable fault early warning and positioning device characterized by comprising online fault pre-alarming and positioning are single
Member, data acquisition module and CPU processing unit；
The online fault pre-alarming and positioning unit and the data acquisition module are connected with the CPU processing unit, described
Online fault pre-alarming and positioning unit are connected with the data acquisition module；
Collected data and are sent to the online fault pre-alarming for realizing the acquisition of data by the data acquisition module
And positioning unit；
The online fault pre-alarming and positioning unit are used to carry out accident analysis to collected data, to failure carry out early warning and
Positioning, and the fault message that will test is sent to the CPU processing unit；
The CPU processing unit is used to handle detected failure；
Wherein, the data acquisition module includes temperature data samwpling unit and grounding circulation data acquisition unit, the temperature
Data acquisition unit and the grounding circulation data acquisition unit are connected with the CPU processing unit；
The temperature data samwpling unit is used for real-time temperature collection data；
The grounding circulation data acquisition unit is grounded the data of upper size of current for acquiring in real time.
2. railway power perforation cable fault early warning according to claim 1 and positioning device, which is characterized in that the number
It further include temperature pre-warning unit and grounding circulation prewarning unit according to acquisition module；
The temperature data samwpling unit is connected by the temperature pre-warning unit with the online fault pre-alarming and positioning unit；
The grounding circulation data acquisition unit passes through the grounding circulation prewarning unit and the online fault pre-alarming and positioning
Unit is connected；
Wherein the temperature pre-warning unit and the grounding circulation prewarning unit are used to carry out early warning to failure, and failure is believed
Breath is sent to the online fault pre-alarming and positioning unit.
3. railway power perforation cable fault early warning according to claim 1 and positioning device, which is characterized in that the number
It further include the acquisition of power frequency Wave data and processing unit and high frequency waveforms data acquisition and processing (DAP) unit according to acquisition module；
Power frequency Wave data acquisition and processing unit and the high frequency waveforms data acquisition and processing (DAP) unit with it is described
Online fault pre-alarming and positioning unit are connected；
Wherein the power frequency Wave data acquisition and processing unit and the high frequency waveforms data acquisition and processing (DAP) unit are distinguished
For power frequency component and high-frequency signal are acquired in real time and analysis processing.
4. railway power perforation cable fault early warning according to claim 1 and positioning device, which is characterized in that further include
DCOM unit, time service clock unit, usb interface unit, power module unit and memory module unit, and the communication mould
Module unit, the time service clock unit, the usb interface unit, the power module unit and the memory module unit are equal
It is connected respectively with the CPU processing unit.
5. railway power penetrates through cable fault early warning and localization method, which is characterized in that specifically include:
Railway power is penetrated through into cable fault early warning and positioning device is set to railway power perforation cable run both ends, the electricity
Power penetrate through cable fault early warning and positioning device by respectively to railway power penetrate through cable run carry out temperature, grounding circulation,
Electric current and voltage, which are acquired, completes real-time monitoring, by comparing and analyzing to collected data and normal data, finds
Early warning is carried out after data exception and failure is positioned, and fault message is finally sent to device backstage main website and is carried out further
Processing.
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| CN201910223097.5A CN109975655A (en) | 2019-03-22 | 2019-03-22 | Railway power penetrates through cable fault early warning and positioning device |
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| CN201910223097.5A CN109975655A (en) | 2019-03-22 | 2019-03-22 | Railway power penetrates through cable fault early warning and positioning device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112526288A (en) * | 2020-11-26 | 2021-03-19 | 四川电安智能科技有限公司 | 4-channel grounding circulation waveform acquisition method |
| CN113325219A (en) * | 2021-05-28 | 2021-08-31 | 北京时域智控技术有限公司 | Railway system abnormal voltage monitoring device |
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