CN105629043A - High-voltage electronic pulse track acquisition device and method - Google Patents
High-voltage electronic pulse track acquisition device and method Download PDFInfo
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- CN105629043A CN105629043A CN201410600316.4A CN201410600316A CN105629043A CN 105629043 A CN105629043 A CN 105629043A CN 201410600316 A CN201410600316 A CN 201410600316A CN 105629043 A CN105629043 A CN 105629043A
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Abstract
A high-voltage electronic pulse track acquisition device belongs to the field of a measurement device. The high-voltage electronic pulse track acquisition device is characterized by comprising a high-impedance sampling unit, an optoelectronic isolation unit, an analog/digital sampling unit, a filtering unit, a pulse detection unit, a control unit, a CAN bus isolation output unit and a system power supply power source module; the high-impedance sampling unit, the optoelectronic isolation unit, the analog/digital sampling unit, the filtering unit, the pulse detection unit, the control unit and the CAN bus isolation output unit are successively connected; and the optoelectronic isolation unit, the analog/digital sampling unit, the filtering unit, the pulse detection unit, the control unit and the CAN bus isolation output unit are connected with a system power supply power source. A high-voltage asymmetric pulse signal peak voltage and a true RMS voltage can be accurately and rapidly measured and displayed, a pulse signal waveform is recorded, a guarantee is provided for railway on-site personnel to timely find and solve an abnormal condition of a track circuit, and the high-voltage electronic pulse track acquisition device has important practical application value and market promotion value.
Description
Technical field
The invention belongs to measurement apparatus field, particularly relate to a kind of high-voltage electronic pulse track harvester and method.
Background technology
Along with the continuous progress of science and technology, the railway career development of China is swift and violent, the fast development of high ferro in recent years, and reliability and on-the-spot adaptability to railway signal centralized monitoring system are had higher requirement. The measurement of high pressure asymmetrical voltage signal is adopted Oscillograph measurement scheme by conventional high-tension half wave track circuit, the interference of railway shift-frequency jamming signal and 50Hz power frequency component can not be effectively filtered out, cause, when measuring amplitude size and the impulse wave occurrence frequency of high pressure asymmetrical voltage signal, the inaccurate problem of measurement data occurring. Additionally, there is also cost height, the defects such as inconvenience are installed.
Summary of the invention
Present invention seek to address that the problems referred to above, it is provided that a kind of high-voltage electronic pulse track harvester and method.
High-voltage electronic pulse track harvester, it is characterised in that include high impedance sampling unit, Phototube Coupling unit, analog sampling unit, filter unit, pulse detecting unit, control unit, CAN isolation and amplifier unit and system power supply power module; Wherein high impedance sampling unit, Phototube Coupling unit, analog sampling unit, filter unit, pulse detecting unit, control unit and CAN isolation and amplifier unit are sequentially connected and connect; Phototube Coupling unit, analog sampling unit, filter unit, pulse detecting unit, control unit are all connected with system power supply power supply with CAN isolation and amplifier unit.
High-voltage electronic pulse track harvester of the present invention, it is characterised in that described filter unit includes shift-frequency jamming and filters unit and numeral compensation filter unit.
High-voltage electronic pulse track harvester of the present invention, it is characterised in that described control unit includes, MCU control unit and DSP control unit.
High-voltage electronic pulse track acquisition method of the present invention, it is characterised in that: pulse signal that high-voltage pulse generator sends, wave head signal, wave rear signal are sampled by high impedance sampling unit; MCU control unit and DSP control unit need to carry out program embedding according to practical application; MCU controller adopts RMS rms algorithm, according to pulse frequency integration complete cycle, obtains wave head signal and the virtual value of wave rear signal, and by the output result of pulse detecting unit, calculates impulse wave occurrence frequency, amplitude and impulse waveform curve; Output data acquisition CAN2.0 bus network is transmitted.
High-voltage electronic pulse track harvester of the present invention and method, can measure and show high pressure asymmetry pulse signal peak voltage, real effective voltage quickly and accurately and record pulse signal waveform, data supporting is provided for track relay normal operation, also find in time for Railway Site staff and solve the abnormal conditions of track circuit to provide guarantee, there is important actual application value and market popularization value.
Figure of description
Fig. 1 is the structure principle chart of high-voltage electronic pulse track harvester.
Detailed description of the invention
High-voltage electronic pulse track harvester, including high impedance sampling unit, Phototube Coupling unit, analog sampling unit, filter unit, pulse detecting unit, control unit, CAN isolation and amplifier unit and system power supply power module; Wherein high impedance sampling unit, Phototube Coupling unit, analog sampling unit, filter unit, pulse detecting unit, control unit and CAN isolation and amplifier unit are sequentially connected and connect; Phototube Coupling unit, analog sampling unit, filter unit, pulse detecting unit, control unit are all connected with system power supply power supply with CAN isolation and amplifier unit.
High-voltage electronic pulse track harvester of the present invention, described filter unit includes shift-frequency jamming and filters unit and numeral compensation filter unit. Described control unit includes, MCU control unit and DSP control unit.
High-voltage electronic pulse track acquisition method of the present invention, pulse signal that high-voltage pulse generator sends, wave head signal, wave rear signal are sampled by high impedance sampling unit; Effectively reduce the interference that high-voltage pulse track circuit system is caused by sampling module. MCU control unit and DSP control unit need to carry out program embedding according to practical application, and reasonable distribution performs process thus speed up processing. MCU controller adopts RMS rms algorithm, according to pulse frequency integration complete cycle, obtains wave head signal and the virtual value of wave rear signal, and by the output result of pulse detecting unit, calculates impulse wave occurrence frequency, amplitude and impulse waveform curve. Output data acquisition CAN2.0 bus network is transmitted, and makes that equipment network is intelligent, transmission speed is fast, interference free performance is high. Overcome and prior art can not effective filter out railway shift-frequency jamming signal, cause, when measuring positive negative peak and the frequency of high-voltage pulse signal, the inaccurate problem of measurement data occurs, and the unit integrated molding in this system, the high cost improving existing multichannel Oscillograph equipment investment and the problem installing inconvenience.
Claims (4)
1. high-voltage electronic pulse track harvester, it is characterised in that include high impedance sampling unit, Phototube Coupling unit, analog sampling unit, filter unit, pulse detecting unit, control unit, CAN isolation and amplifier unit and system power supply power module; Wherein high impedance sampling unit, Phototube Coupling unit, analog sampling unit, filter unit, pulse detecting unit, control unit and CAN isolation and amplifier unit are sequentially connected and connect; Phototube Coupling unit, analog sampling unit, filter unit, pulse detecting unit, control unit are all connected with system power supply power supply with CAN isolation and amplifier unit.
2. high-voltage electronic pulse track harvester as claimed in claim 1, it is characterised in that described filter unit includes shift-frequency jamming and filters unit and numeral compensation filter unit.
3. high-voltage electronic pulse track harvester as claimed in claim 1, it is characterised in that described control unit includes, MCU control unit and DSP control unit.
4. high-voltage electronic pulse track acquisition method, it is characterised in that: pulse signal that high-voltage pulse generator sends, wave head signal, wave rear signal are sampled by high impedance sampling unit; MCU control unit and DSP control unit need to carry out program embedding according to practical application; MCU controller adopts RMS rms algorithm, according to pulse frequency integration complete cycle, obtains wave head signal and the virtual value of wave rear signal, and by the output result of pulse detecting unit, calculates impulse wave occurrence frequency, amplitude and impulse waveform curve; Output data acquisition CAN2.0 bus network is transmitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410600316.4A CN105629043A (en) | 2014-10-31 | 2014-10-31 | High-voltage electronic pulse track acquisition device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410600316.4A CN105629043A (en) | 2014-10-31 | 2014-10-31 | High-voltage electronic pulse track acquisition device and method |
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| Publication Number | Publication Date |
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| CN105629043A true CN105629043A (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410600316.4A Pending CN105629043A (en) | 2014-10-31 | 2014-10-31 | High-voltage electronic pulse track acquisition device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107817783A (en) * | 2017-10-23 | 2018-03-20 | 天津市英贝特航天科技有限公司 | Method and system for detecting recovery of output signal of rail transit |
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2014
- 2014-10-31 CN CN201410600316.4A patent/CN105629043A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107817783A (en) * | 2017-10-23 | 2018-03-20 | 天津市英贝特航天科技有限公司 | Method and system for detecting recovery of output signal of rail transit |
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Application publication date: 20160601 |