CN106443153A - Voltage and current wave recording device for subway insulation joint rails - Google Patents
Voltage and current wave recording device for subway insulation joint rails Download PDFInfo
- Publication number
- CN106443153A CN106443153A CN201610804522.6A CN201610804522A CN106443153A CN 106443153 A CN106443153 A CN 106443153A CN 201610804522 A CN201610804522 A CN 201610804522A CN 106443153 A CN106443153 A CN 106443153A
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- module
- voltage
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- recording device
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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
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R13/00—Arrangements for displaying electric variables or waveforms
- G01R13/02—Arrangements for displaying electric variables or waveforms for displaying measured electric variables in digital form
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- General Physics & Mathematics (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention provides a voltage and current wave recording device for subway insulation joint rails, and the device comprises a digital signal processor and peripheral modules connected with the digital signal processor. The peripheral modules comprises a switching quantity input module, a voltage sampling module, a current sampling module, a communication module, a data storage module, and a power module. The voltage sampling module is connected with contacts disposed at the front and rear sides of a subway insulation joint, and carries out the sampling of the voltages at the front and rear sides of the subway insulation joint at preset sampling frequency. The current sampling module is connected with subway rails, and carries out the sampling of the current of the subway rails at a preset sampling frequency. When the distance between a locomotive and the insulation joint reaches a preset distance, the device provided by the invention starts to carry out the sampling of the voltage difference between the rails at the front and rear sides of the insulation joint and the current of the rails, and forms a voltage waveform and a current waveform so that a worker analyzes the operation condition of rail transit, thereby improving the safety operation level.
Description
Technical field
The invention belongs to subway power supply safety monitoring technology field is and in particular to a kind of underground insulation section railway voltage electric current
Wave recording device.
Background technology
Urban track traffic adopts direct-current traction power supply, and electric current flows through contact net, locomotive and rail from DC traction substation
Road, is back to DC traction substation.Article one, city rail traffic route is separately powered by multiple DC traction substations, different
Power supply interval separated by the insulation joint being arranged on underground railway track.
When the wheel of locomotive passes through insulation joint row to lower track section, due to adjacent DC traction substation
Current potential difference is it is possible to can lead to wheel to produce Spark Discharges with lower track section.This electric discharge phenomena, to traction power transformation
And the safe operation of locomotive cause certain potential safety hazard.
Content of the invention
In order to solve above-mentioned technical problem, the invention provides a kind of underground insulation section railway voltage current recording device,
Its specific embodiments are as follows：
A kind of underground insulation section railway voltage current recording device, it is included digital signal processor and is believed with described numeral
The peripheral module that number processor connects, described peripheral module includes switching input module, voltage sample module, current sample mould
Block, communication module, data memory module and power module；Described voltage sample module be arranged on described underground insulation section before and after
The contact portion of both sides, it is sampled to the voltage of both sides before and after described underground insulation section by preset sample frequency, described electricity
Stream sampling module is connected with described underground railway track, and it is adopted to the electric current on described underground railway track by described predetermined sampling frequency
Sample；Described intake acquisition module is connected with external ultrasound range unit, when the distance away from described underground insulation section for the locomotive reaches
During predetermined value, described Ultrasonic ranging device sends arriving signal to described switching input module, described switching input module
Transmission is opened into signal to described digital signal processor, voltage sample module described in described DSP CONTROL and described
Current sample module starts to sample and voltage sample value and current sampling data are sent to described digital signal processor, described number
Word signal processor is based on voltage sample value and current sampling data generates voltage waveform and current waveform；Described data memory module
For storing described voltage sample Value Data and current sample Value Data.
In a specific embodiment, described peripheral module also includes display module, and described display module is used for showing institute
State voltage waveform and current waveform.
In a specific embodiment, described peripheral module also includes communication module, and described communication module is used for will be described
Voltage sample Value Data and current sampling data data is activation background system afield.
In a specific embodiment, described boxing block also includes keyboard input module, and described keyboard input module is used
In the described preset sample frequency of setting.
It can be seen that, when locomotive reaches preset distance apart from the distance of insulation joint, the wave recording device of the present invention starts to insulation
Electric current on the voltage difference of two siding tracks and track before and after section is sampled and is formed voltage waveform and current waveform, to be convenient to
Staff analyzes the ruuning situation of track traffic and processes in time, lifts safety operation level.
Brief description
By reading the detailed description of hereafter preferred implementation, various other advantages and benefit are common for this area
Technical staff will be clear from understanding.Accompanying drawing is only used for illustrating the purpose of preferred implementation, and is not considered as to the present invention
Restriction.And in whole accompanying drawing, it is denoted by the same reference numerals identical part.In the accompanying drawings：
The structural principle block diagram of the underground insulation section railway voltage current recording device that Fig. 1 provides for the present invention；
The application principle figure of the underground insulation section railway voltage current recording device that Fig. 2 provides for the present invention.
Specific embodiment
Underground insulation section railway voltage current recording device 100 (the abbreviation wave recording device providing referring to Fig. 1, the present invention
100), including digital signal processor 101 and the peripheral module that is connected with described digital signal processor 100, described outer boxing
Block includes switching input module 102, voltage sample module 103, current sample module 104, display module 105, communication module
106th, data memory module 107, power module 108 and keyboard input module 109.
In a specific embodiment, the digital signal processor 101 of the present invention selects Freescale company to produce
MK60DN512VLQ10 process chip, MK60DN512VLQ10 has abundant GPIO interface, and carries two ADC (moduluses again
Conversion) chip.
One end of described voltage sample module 103 is connected with an ADC chip of described digital signal processor 101, separately
One end be arranged on the contact portion of both sides before and after described underground insulation section to record the electricity of both sides before and after described underground insulation section
Pressure, described voltage sample module 103 is according to preset sample frequency to the one end before and after described underground insulation section and described numeral letter
On one ADC chip of number processor 101, the voltage of both sides is sampled and is sent the voltage sample value of simulation to ADC core
Piece, the voltage sample value standard of simulation is changed to the voltage sample value of numeral by ADC chip.One end of described current sample module 104
It is connected with another ADC chip of described digital signal processor 101, the other end is connected with the underground railway track on rear side of underground insulation section
Connect, it is sampled to the electric current on described underground railway track by described predetermined sampling frequency and sends the current sampling data of simulation
To ADC chip, the current sampling data standard of simulation is changed to the current sampling data of numeral by ADC chip.
Described switching input module 102 is connected on a GPIO interface of described digital signal processor 101, and with
Outside Ultrasonic ranging device connects.
When the distance away from described underground insulation section for the locomotive reaches predetermined value, described Ultrasonic ranging device sends arriving signal
To described switching input module 102, described switching input module 102 sends to be opened into signal to described digital signal processor
101, described digital signal processor 101 controls described voltage sample module and described current sample module to start to sample, and will
Voltage sample value and current sampling data are sent to described Digital Signal Processing 101, and described digital signal processor 101 is based on voltage
Sampled value and current sampling data generate voltage waveform and current waveform to realize recording wave energy.
Described data memory module 107 is used for storing described voltage sample Value Data and current sample Value Data.This enforcement
In example, described data memory module 107 adopts SRAM storage chip IS62WV51216BLL, and its capacity reaches 64K × 16 word
Long, have that storage speed is fast, the remarkable advantage of data is not lost in low-power consumption, power down.
Described display module 105 is used for showing described voltage waveform and current waveform, so as with staff's Real Time Observation
Curent change situation on the change in voltage situation of both sides and rail before and after insulation joint.
Described communication module 106 passes through Ethernet by described voltage sample Value Data and current sampling data data is activation to remote
The background system of side, to realize the preservation of history samples data, and facilitates background system to carry out the depth analysis using data.This
In embodiment, described communication module 106 adopts W5300 network interface chip, and this chip is that a high performance Internet connects core
Piece, it is internally integrated 10/100M ethernet controller, MAC and ICP/IP protocol stack.The underground insulation section railway voltage of the present invention
Current recording device adopts the ModBus TCP stipulations of standard, can easily be communicated with outside all types of industries equipment.
Keyboard input module 109 is used for arranging the predetermined sampling frequency of voltage sample module 103 and current sample module 104
The parameters such as rate, single record ripple duration.In the present embodiment, the wave recording device 100 of the present invention is recorded ripple every time and can be recorded 128 points, often
A length of 20ms to 500ms during the record ripple of individual point, single record ripple duration is up to 60ms.
Referring to Fig. 2, it illustrates the application principle figure of the wave recording device 100 of the row present invention.As described in Figure 2, concrete at one
In application, each insulation joint 300 side of underground railway track 200 is respectively provided with a wave recording device 100 and a ultrasonic ranging dress
Put 400.
The of first contact 301 of the voltage acquisition module of wave recording device 100 and corresponding insulation joint 300 front side and rear side
Two contacts 302 connect to gather the magnitude of voltage on this insulation joint 300, the current acquisition module of wave recording device 100 and this insulation joint
3rd contact 303 of 200 rear sides connects to gather the current value on underground railway track.The switching input module of wave recording device 100
Wirelessly connect with corresponding supersonic range finder 400.
When locomotive 500 reaches predetermined value (by user in supersonic range finder 400 apart from the distance of certain insulation joint 300
On be configured) when, corresponding supersonic range finder 400 send arriving signal give this insulation joint 300 side wave recording device
100, wave recording device 100 opens record wave energy.
In this application, all of wave recording device 100 is all connected with background system 600 by Ethernet and by respective record ripple
Data (voltage waveform data and current waveform data) is issued to background system 600, and background system 600 analyzes each insulation joint
300 corresponding recorder datas are to realize the voltage x current monitoring to whole underground railway track.
It can be seen that, the wave recording device of the present invention is by the electricity in the voltage difference of two siding tracks before and after subway insulation joint and track
Stream is sampled and is formed voltage waveform and current waveform, facilitates the ruuning situation that staff analyzes track traffic, lifting
The safety operation level of subway.
More than, it is only presently preferred embodiments of the present invention, not the present invention is made with any pro forma restriction, according to this
Any simple modification, equivalent variations and modification that the technical spirit of invention is made to above example, all still fall within skill of the present invention
In the range of art scheme.
Claims (4)
1. a kind of underground insulation section railway voltage current recording device it is characterised in that：It include digital signal processor and with
The peripheral module that described digital signal processor connects, described peripheral module include switching input module, voltage sample module,
Current sample module, communication module, data memory module and power module；
Described voltage sample module and the contact portion being arranged on both sides before and after described underground insulation section, it presses preset sample frequency
The voltage of both sides before and after described underground insulation section is sampled, described current sample module is connected with described underground railway track, its
By described predetermined sampling frequency, the electric current on described underground railway track is sampled；
Described intake acquisition module is connected with external ultrasound range unit, when the distance away from described underground insulation section for the locomotive reaches
During predetermined value, described Ultrasonic ranging device sends arriving signal to described switching input module, described switching input module
Transmission is opened into signal to described digital signal processor, voltage sample module described in described DSP CONTROL and described
Current sample module starts to sample and voltage sample value and current sampling data are sent to described digital signal processor, described number
Word signal processor is based on voltage sample value and current sampling data generates voltage waveform and current waveform；
Described data memory module is used for storing described voltage sample Value Data and current sample Value Data.
2. underground insulation section railway voltage current recording device as claimed in claim 1 it is characterised in that：Described peripheral module
Also include display module, described display module is used for showing described voltage waveform and current waveform.
3. underground insulation section railway voltage current recording device as claimed in claim 1 it is characterised in that：Described peripheral module
Also include communication module, described communication module is used for described voltage sample Value Data and current sampling data data is activation to backstage
System.
4. underground insulation section railway voltage current recording device as claimed in claim 1 it is characterised in that：Described boxing block is also
Include keyboard input module, described keyboard input module is used for arranging described preset sample frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610804522.6A CN106443153A (en) | 2016-09-06 | 2016-09-06 | Voltage and current wave recording device for subway insulation joint rails |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610804522.6A CN106443153A (en) | 2016-09-06 | 2016-09-06 | Voltage and current wave recording device for subway insulation joint rails |
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| Publication Number | Publication Date |
|---|---|
| CN106443153A true CN106443153A (en) | 2017-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610804522.6A Pending CN106443153A (en) | 2016-09-06 | 2016-09-06 | Voltage and current wave recording device for subway insulation joint rails |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109109681A (en) * | 2018-10-18 | 2019-01-01 | 西南交通大学 | The control system and control method of a kind of metro traction institute platform rail potential |
| CN109142836A (en) * | 2018-09-26 | 2019-01-04 | 云南电网有限责任公司电力科学研究院 | A kind of wireless remote control recording system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5375504A (en) * | 1993-07-06 | 1994-12-27 | The United States Of America As Represented By The Secretary Of The Air Force | Augmented hypervelocity railgun with single energy source and rail segmentation |
| CN101590862A (en) * | 2008-05-28 | 2009-12-02 | 北京人和路通科技有限公司 | A kind of real-time monitoring method of track circuit |
| CN201654108U (en) * | 2010-03-24 | 2010-11-24 | 李丽 | Rail current sensor |
| CN101973287A (en) * | 2010-09-30 | 2011-02-16 | 北京全路通信信号研究设计院 | Non-insulation track circuit |
| CN102262200A (en) * | 2010-12-07 | 2011-11-30 | 鞍钢集团矿业公司 | Portable power quality and fault recording integrated device |
| CN202421443U (en) * | 2012-01-21 | 2012-09-05 | 北京全路通信信号研究设计院有限公司 | Measurement device for primary parameter of track circuit |
| CN103163426A (en) * | 2013-02-25 | 2013-06-19 | 武汉中元华电科技股份有限公司 | Fault recorder utilizing travelling wave fault location algorithm |
| CN104210386A (en) * | 2013-10-18 | 2014-12-17 | 北京睿昱达科技有限公司 | Suppression device for electric arcs by train wheels on steel rail insulation joint |
-
2016
- 2016-09-06 CN CN201610804522.6A patent/CN106443153A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5375504A (en) * | 1993-07-06 | 1994-12-27 | The United States Of America As Represented By The Secretary Of The Air Force | Augmented hypervelocity railgun with single energy source and rail segmentation |
| CN101590862A (en) * | 2008-05-28 | 2009-12-02 | 北京人和路通科技有限公司 | A kind of real-time monitoring method of track circuit |
| CN201654108U (en) * | 2010-03-24 | 2010-11-24 | 李丽 | Rail current sensor |
| CN101973287A (en) * | 2010-09-30 | 2011-02-16 | 北京全路通信信号研究设计院 | Non-insulation track circuit |
| CN102262200A (en) * | 2010-12-07 | 2011-11-30 | 鞍钢集团矿业公司 | Portable power quality and fault recording integrated device |
| CN202421443U (en) * | 2012-01-21 | 2012-09-05 | 北京全路通信信号研究设计院有限公司 | Measurement device for primary parameter of track circuit |
| CN103163426A (en) * | 2013-02-25 | 2013-06-19 | 武汉中元华电科技股份有限公司 | Fault recorder utilizing travelling wave fault location algorithm |
| CN104210386A (en) * | 2013-10-18 | 2014-12-17 | 北京睿昱达科技有限公司 | Suppression device for electric arcs by train wheels on steel rail insulation joint |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109142836A (en) * | 2018-09-26 | 2019-01-04 | 云南电网有限责任公司电力科学研究院 | A kind of wireless remote control recording system |
| CN109109681A (en) * | 2018-10-18 | 2019-01-01 | 西南交通大学 | The control system and control method of a kind of metro traction institute platform rail potential |
| CN109109681B (en) * | 2018-10-18 | 2023-06-09 | 西南交通大学 | Control system and control method for potential of platform steel rail of subway traction station |
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Application publication date: 20170222 |
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