CN103728548A - Rail circuit tester based on RFID - Google Patents
Rail circuit tester based on RFID Download PDFInfo
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- CN103728548A CN103728548A CN201210386689.7A CN201210386689A CN103728548A CN 103728548 A CN103728548 A CN 103728548A CN 201210386689 A CN201210386689 A CN 201210386689A CN 103728548 A CN103728548 A CN 103728548A
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- 238000005259 measurement Methods 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 12
- 230000003321 amplification Effects 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 9
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 9
- 239000000523 sample Substances 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 abstract description 8
- 238000013500 data storage Methods 0.000 abstract 2
- 239000004973 liquid crystal related substance Substances 0.000 abstract 2
- 238000001514 detection method Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The invention discloses a rail circuit tester based on RFID. The tester comprises a signal generator, a signal acquiring circuit, a single-chip microcomputer, a wireless communicator, an RFID electronic tag, a liquid crystal display and a data storage device, wherein the signal output end of the signal generator is connected with the signal input end of the signal acquiring circuit, the signal output end of the signal acquiring circuit is connected with the signal input end of the single-chip microcomputer, and the signal output end of the single-chip microcomputer is connected with the signal input end of the wireless communicator, the signal input end of the liquid crystal display, the signal input end of the data storage device and the signal input end of the RFID electronic tag. Due to the fact that different rail circuit testers based on RFID are arranged on different monitoring points and the specific position and the serial number of each monitoring point are input in each electronic tag, when a monitoring host monitors that a capacitance value of a certain monitoring point deviates from a normal value, the specific position of a fault detection point can be found out easily according to the serial number, and thus the working efficiency is greatly improved.
Description
Technical field
The present invention relates to a kind of track circuit tester, particularly relate to a kind of track circuit tester based on RFID.
Background technology
Along with improving constantly of train speed, also more and more higher to the requirement of train rail.Original have insulation track circuit cannot meet the needs of transportation by railroad career development, thereby each industrially-advanced country of the world starts to develop non-insulated track circuit.Wherein, the UM71 non-insulated track circuit with French CSEE Developed is most widely used.This system is introduced China in late 1980s, and this non-insulated track circuit utilizes resonance principle, and the fsk signal of low frequency modulations (4 kinds of carrier frequency, 18 kinds of low frequencies) is transmitted by rail.Because parallel rail has equivalent inductive reactance characteristic, have a strong impact on the distance of signal transmission, in order to make output signal undistorted, at each block section, every 100 meters of resonant capacitances that 1 33 μ F is just installed, improve signal transmission distance with the equivalent inductance composition series resonant circuit of rail.Normal for guaranteeing this system works, railroader must often check the operational factor of track circuit along rail.Wherein important one be to and connect the measurement of building-out capacitor capacitance, and at present general bridge method capacitance measurement equipment cannot carry out measurement data and carries out in real time remote transmission, when breaking down, need rail staff to record the particular location of the rail that breaks down, need to drop into a large amount of rail staff, and there is certain error while recording in staff.
Summary of the invention
The object of the invention is to provide in order to address the above problem a kind of track circuit tester based on RFID that can automatically show abort situation, can realize measurement data remote transmission.
The present invention is achieved by the following technical solutions:
A kind of track circuit tester based on RFID, comprise signal generator, signal acquisition circuit, single-chip microcomputer, wireless communication device, RFID electronic tag, LCDs and data-carrier store, the signal output part of described signal generator is connected with the signal input part of described signal acquisition circuit, the signal output part of described signal acquisition circuit is connected with the signal input part of described single-chip microcomputer, and the signal output part of described single-chip microcomputer is connected with described wireless communication device, LCDs, data-carrier store and the signal input part of RFID electronic tag.
As preferably, described signal acquisition circuit comprises capacitance measurement probe, signal amplification circuit, filtering circuit, A/D change-over circuit, the first zero-crossing comparator, low-pass filter and the second zero-crossing comparator, the signal input part of described capacitance measurement probe is connected with the signal output part of described signal generator, the signal output part of described capacitance measurement probe is connected with the signal input part of described the first zero-crossing comparator with the signal input part of described signal amplification circuit respectively, the signal output part of described signal amplification circuit is connected with the signal input part of described filtering circuit, the signal output part of described filtering circuit is connected with the signal input part of described A/D change-over circuit, the signal output part of described A/D change-over circuit is connected with the signal input part of described single-chip microcomputer, the signal output part of described the first zero-crossing comparator is connected with the signal input part of single-chip microcomputer and described low-pass filter respectively, the output terminal of described low-pass filter is connected with the signal input part of described the second zero-crossing comparator, the signal output part of described the second zero-crossing comparator is connected with the signal input part of described single-chip microcomputer.
As preferably, described track circuit tester also comprises alarm, and the signal input part of described alarm is connected with the signal output part of described single-chip microcomputer.
As preferably, described wireless communication device is GPRS wireless communication device.
The invention has the beneficial effects as follows:
By the monitoring point different, the different track circuit testers based on RFID is set, due to typing in each electronic tag particular location and the numbering of monitoring point, so when monitoring host supervision departs from normal value to the capacitor's capacity of a certain monitoring point, be easy to find out according to numbering the particular location of fault detecting point, greatly improved work efficiency.
Accompanying drawing explanation
Fig. 1 is the structured flowchart that the present invention is based on the track circuit tester of RFID.
Embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail:
As shown in Figure 1, a kind of track circuit tester based on RFID of the present invention, comprise signal generator, signal acquisition circuit, single-chip microcomputer, wireless communication device, RFID electronic tag, LCDs and data-carrier store, the signal output part of described signal generator is connected with the signal input part of described signal acquisition circuit, the signal output part of described signal acquisition circuit is connected with the signal input part of described single-chip microcomputer, and the signal output part of described single-chip microcomputer is connected with described wireless communication device, LCDs, data-carrier store and the signal input part of RFID electronic tag.Described track circuit tester also comprises alarm, and the signal input part of described alarm is connected with the signal output part of described single-chip microcomputer.Described wireless communication device is GPRS wireless communication device.
Described signal acquisition circuit comprises capacitance measurement probe, signal amplification circuit, filtering circuit, A/D change-over circuit, the first zero-crossing comparator, low-pass filter and the second zero-crossing comparator, the signal input part of described capacitance measurement probe is connected with the signal output part of described signal generator, the signal output part of described capacitance measurement probe is connected with the signal input part of described the first zero-crossing comparator with the signal input part of described signal amplification circuit respectively, the signal output part of described signal amplification circuit is connected with the signal input part of described filtering circuit, the signal output part of described filtering circuit is connected with the signal input part of described A/D change-over circuit, the signal output part of described A/D change-over circuit is connected with the signal input part of described single-chip microcomputer, the signal output part of described the first zero-crossing comparator is connected with the signal input part of single-chip microcomputer and described low-pass filter respectively, the output terminal of described low-pass filter is connected with the signal input part of described the second zero-crossing comparator, the signal output part of described the second zero-crossing comparator is connected with the signal input part of described single-chip microcomputer.
Claims (4)
1. the track circuit tester based on RFID, it is characterized in that: comprise signal generator, signal acquisition circuit, single-chip microcomputer, wireless communication device, RFID electronic tag, LCDs and data-carrier store, the signal output part of described signal generator is connected with the signal input part of described signal acquisition circuit, the signal output part of described signal acquisition circuit is connected with the signal input part of described single-chip microcomputer, and the signal output part of described single-chip microcomputer is connected with described wireless communication device, LCDs, data-carrier store and the signal input part of RFID electronic tag.
2. the track circuit tester based on RFID according to claim 1, it is characterized in that: described signal acquisition circuit comprises capacitance measurement probe, signal amplification circuit, filtering circuit, A/D change-over circuit, the first zero-crossing comparator, low-pass filter and the second zero-crossing comparator, the signal input part of described capacitance measurement probe is connected with the signal output part of described signal generator, the signal output part of described capacitance measurement probe is connected with the signal input part of described the first zero-crossing comparator with the signal input part of described signal amplification circuit respectively, the signal output part of described signal amplification circuit is connected with the signal input part of described filtering circuit, the signal output part of described filtering circuit is connected with the signal input part of described A/D change-over circuit, the signal output part of described A/D change-over circuit is connected with the signal input part of described single-chip microcomputer, the signal output part of described the first zero-crossing comparator is connected with the signal input part of single-chip microcomputer and described low-pass filter respectively, the output terminal of described low-pass filter is connected with the signal input part of described the second zero-crossing comparator, the signal output part of described the second zero-crossing comparator is connected with the signal input part of described single-chip microcomputer.
3. the track circuit tester based on RFID according to claim 1, is characterized in that: described track circuit tester also comprises alarm, and the signal input part of described alarm is connected with the signal output part of described single-chip microcomputer.
4. the track circuit tester based on RFID according to claim 1, is characterized in that: described wireless communication device is GPRS wireless communication device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210386689.7A CN103728548A (en) | 2012-10-14 | 2012-10-14 | Rail circuit tester based on RFID |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210386689.7A CN103728548A (en) | 2012-10-14 | 2012-10-14 | Rail circuit tester based on RFID |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103728548A true CN103728548A (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210386689.7A Pending CN103728548A (en) | 2012-10-14 | 2012-10-14 | Rail circuit tester based on RFID |
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| CN (1) | CN103728548A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104691575A (en) * | 2015-01-06 | 2015-06-10 | 上海电机学院 | Online rail fault diagnosis system and method |
| CN106405366A (en) * | 2015-07-31 | 2017-02-15 | 王健男 | Computer aided system and method for electronic product development and maintenance |
| CN110108959A (en) * | 2019-05-14 | 2019-08-09 | 佳讯飞鸿（北京）智能科技研究院有限公司 | Compensating electric capacity localization method, detection device and storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0689306A2 (en) * | 1994-06-13 | 1995-12-27 | Motorola, Inc. | Computer controlled radio tester and method |
| JPH10213406A (en) * | 1997-01-29 | 1998-08-11 | Mitsutoyo Corp | Induction-type absolute-position measuring device |
| CN1962338A (en) * | 2006-11-28 | 2007-05-16 | 燕山大学 | Insulation-free track circuit compensation capacitor on-line active measuring device |
| CN102116823A (en) * | 2011-02-17 | 2011-07-06 | 长春吉致科技发展有限公司 | System for automatically judging and positioning faults of automatic blocking and continuous railway power lines in railway distribution network |
-
2012
- 2012-10-14 CN CN201210386689.7A patent/CN103728548A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0689306A2 (en) * | 1994-06-13 | 1995-12-27 | Motorola, Inc. | Computer controlled radio tester and method |
| JPH10213406A (en) * | 1997-01-29 | 1998-08-11 | Mitsutoyo Corp | Induction-type absolute-position measuring device |
| CN1962338A (en) * | 2006-11-28 | 2007-05-16 | 燕山大学 | Insulation-free track circuit compensation capacitor on-line active measuring device |
| CN102116823A (en) * | 2011-02-17 | 2011-07-06 | 长春吉致科技发展有限公司 | System for automatically judging and positioning faults of automatic blocking and continuous railway power lines in railway distribution network |
Non-Patent Citations (1)
| Title |
|---|
| 夏博光等: "无线射频（RFID）技术在高速检测列车精确定位中的应用", 《铁道建筑》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104691575A (en) * | 2015-01-06 | 2015-06-10 | 上海电机学院 | Online rail fault diagnosis system and method |
| CN106405366A (en) * | 2015-07-31 | 2017-02-15 | 王健男 | Computer aided system and method for electronic product development and maintenance |
| CN110108959A (en) * | 2019-05-14 | 2019-08-09 | 佳讯飞鸿（北京）智能科技研究院有限公司 | Compensating electric capacity localization method, detection device and storage medium |
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Application publication date: 20140416 |