WO2022083175A1 - Track circuit outdoor device having non-contact voltage acquisition function - Google Patents

Track circuit outdoor device having non-contact voltage acquisition function Download PDF

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Publication number
WO2022083175A1
WO2022083175A1 PCT/CN2021/104722 CN2021104722W WO2022083175A1 WO 2022083175 A1 WO2022083175 A1 WO 2022083175A1 CN 2021104722 W CN2021104722 W CN 2021104722W WO 2022083175 A1 WO2022083175 A1 WO 2022083175A1
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voltage
acquisition
module
probe
actual
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PCT/CN2021/104722
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French (fr)
Chinese (zh)
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刘瑞
贾向武
史龙
孙超
张显
郜志强
韩雪松
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北京全路通信信号研究设计院集团有限公司
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Publication of WO2022083175A1 publication Critical patent/WO2022083175A1/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/26—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using modulation of waves other than light, e.g. radio or acoustic waves
    • 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
    • G01R19/0084—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only

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  • the invention belongs to the field of voltage collection track circuits, in particular to an outdoor device of track circuits with a non-contact voltage collection function.
  • the existing tuning and matching unit equipment does not have the function of voltage acquisition. If the voltage needs to be acquired, it needs to be realized by external acquisition equipment. Due to the cumbersome construction on site and the long-term harsh environment, the voltage acquired by the external acquisition equipment has the problem of low reliability.
  • the existing voltage The acquisition is a high-resistance isolation method, and the acquisition point is in indirect contact with the circuit under test. When the acquisition part fails, it will still affect the circuit under test and seriously affect the normal operation of the equipment.
  • the present invention provides a track circuit outdoor device with a non-contact voltage collection function.
  • a track circuit outdoor device with a non-contact voltage acquisition function comprising a tuning and matching unit device,
  • the tuning and matching unit equipment includes an information acquisition module
  • the information acquisition module is used to monitor the actual current value or the actual voltage value of the cable under test inside the outdoor equipment.
  • the information collection module includes a collection probe, a radio frequency cable and a processing module, wherein,
  • the acquisition probe is used to acquire the current at the cable under test to obtain the coupling current
  • the radio frequency cable for transmitting the coupling current
  • the processing module is configured to receive the coupling current, perform signal processing on the coupling current, and obtain an actual current value or an actual voltage value at the cable under test.
  • the acquisition probe adopts a non-contact acquisition method.
  • the collection probes include a first group of collection probes and a second group of collection probes.
  • the first group of acquisition probes is used to acquire the cable-side voltage V E1E2 at the cable under test;
  • the first group of acquisition probes includes a first probe 1 and a second probe 2 .
  • the second group of collection probes is used to collect the rail-side voltage V U1U2 at the cable under test;
  • the second group of acquisition probes includes a third probe 3 and a fourth probe 4 .
  • the inner diameters of the first probe 1, the second probe 2, the third probe 3 and the fourth probe 4 all match the outer diameter of the cable under test.
  • the processing module includes a signal amplification module, a detection module, an analog-to-digital conversion module and a voltage processing module;
  • the signal amplifying module is used for receiving the coupling current, amplifying the coupling current, and obtaining an amplified signal through a correction coefficient;
  • the detection module is configured to receive the amplified signal, perform detection processing on the amplified signal to obtain the same voltage waveform as the cable under test, and send the voltage waveform to the analog-to-digital conversion module;
  • the analog-to-digital conversion module is configured to sample the voltage waveform to obtain voltage waveform data, and send the voltage waveform data to the voltage processing module;
  • the voltage processing module is configured to receive the voltage waveform data, perform voltage processing on the voltage waveform data, and obtain the actual voltage value.
  • the voltage processing on the voltage waveform data includes:
  • the signal amplification module, the detection module, the analog-to-digital conversion module and the voltage processing module are integrated and sealed by potting.
  • the present invention also provides a non-contact voltage acquisition method, comprising:
  • the actual current value or actual voltage value at the measured cable inside the monitoring outdoor equipment includes:
  • a processing module is used to receive the coupling current, and perform signal processing on the coupling current to obtain the actual current value or the actual voltage value.
  • the acquisition probe uses a non-contact acquisition method to acquire the current at the cable under test.
  • the performing signal processing on the coupling current includes:
  • a signal amplification module is used to receive the coupling current, amplify the coupling current, and obtain an amplified signal through a correction coefficient
  • the detection module to receive the amplified signal, perform detection processing on the amplified signal to obtain the same voltage waveform as that at the cable under test, and send the voltage waveform to the analog-to-digital conversion module;
  • the voltage waveform is sampled by an analog-to-digital conversion module to obtain voltage waveform data, and the voltage waveform data is sent to the voltage processing module;
  • a voltage processing module is used to receive the voltage waveform data, and perform voltage processing on the voltage waveform data to obtain an actual voltage value.
  • the voltage processing on the voltage waveform data includes:
  • the invention integrates the acquisition probe into the device, so that the device has the function of voltage acquisition, and the acquisition probe collects the voltage in a non-contact way, so that the acquisition probe can collect the current of the measured point without being directly connected to the electrical connection;
  • Each module inside is potted into the equipment, so that the equipment is not affected by the external environment, and the reliability of the equipment is improved.
  • FIG. 1 shows a schematic diagram of a track circuit outdoor device with a non-contact voltage collection function in an embodiment of the present invention
  • FIG. 2 shows a schematic diagram of the installation structure of the acquisition probe of the track circuit outdoor equipment with the non-contact voltage acquisition function in the embodiment of the present invention.
  • Reference numerals 1. The first probe; 2. The second probe; 3. The third probe; 4. The fourth probe; 5. The left connection terminal; 6. The acquisition extension.
  • FIG. 1 shows a schematic diagram of the track circuit outdoor equipment with a non-contact voltage collection function in an embodiment of the present invention.
  • a track circuit outdoor device with a non-contact voltage acquisition function in an embodiment of the present invention includes a tuning and matching unit device, and the tuning and matching unit device includes an information acquisition module; the information acquisition module is used for monitoring The actual current value or voltage value at the cable under test inside the outdoor device.
  • the information collection module includes a collection probe, a radio frequency cable, and a processing module; wherein, the collection probe is used to collect the current at the cable under test to obtain the coupling current.
  • the collection probe adopts a non- The current at the cable under test is collected by means of contact collection; the radio frequency cable is used to transmit the coupling current; the processing module is used to receive the coupling current and perform signal processing on the coupling current , to obtain the actual current value or voltage value at the cable under test inside the outdoor device.
  • the non-contact voltage acquisition is adopted, that is, the sensor electrode of the acquisition probe is placed in the electric field, and static electricity is passed between the sensor electrode and the cable under test.
  • the field generates a tiny coupling current
  • the RF cable transmits the generated tiny coupling current to the processing module
  • the processing module receives the coupling current, performs signal processing on the coupling current, and obtains the actual value of the cable under test inside the outdoor equipment. current value or voltage value.
  • the collection probe includes a first group of collection probes and a second group of collection probes.
  • the first group of acquisition probes is used to acquire the cable side voltage V E1E2 ;
  • the first group of acquisition probes includes a first probe 1 and a second probe 2 .
  • the second group of acquisition probes is used to acquire the rail side voltage V U1U2 ;
  • the second group of acquisition probes includes a third probe 3 and a fourth probe 4 .
  • FIG. 2 shows a schematic diagram of the installation structure of the acquisition probe of the track circuit outdoor equipment with the non-contact voltage acquisition function according to the embodiment of the present invention.
  • the cable side voltage V E1E2 and the rail side voltage V U1U2 respectively .
  • the first group of acquisition probes for acquiring the cable-side voltage V E1E2 are directly arranged at the cable-side voltage terminals E1 and E2.
  • the third probe 3 of the rail side voltage V U1U2 is set to the V1 terminal, and the fourth probe 4 is set to the left connection terminal 5.
  • This setting can ensure that in normal use, that is, when the V1 terminal is short-circuited with the V3 terminal, the measurement can be performed. To the voltage of the connection pieces on both sides, it can also ensure that the voltage of V1V2 can be measured during the test, that is, when the V1 terminal is disconnected from the V3 terminal.
  • the inner diameters of the first probe 1, the second probe 2, the third probe 3 and the fourth probe 4 match the outer diameter of the cable under test.
  • the cables under test are all 1.5mm 2 cables, and the first probe 1 , the second probe 2 , the third probe 3 and the fourth probe 4 The size of the diameter is made to ensure the accuracy and stability of the collected data.
  • the processing module includes a signal amplification module, a detection module, an analog-to-digital conversion module, and a voltage processing module; the signal amplification module is used to receive the coupling current, amplify the coupling current, and pass the coupling current.
  • the amplified signal is obtained by correcting the coefficient;
  • the detection module is used to receive the amplified signal, perform detection processing on the amplified signal, obtain the same voltage waveform as the cable under test, and send the voltage waveform to the analog-digital a conversion module;
  • the analog-to-digital conversion module is used to sample the voltage waveform to obtain voltage waveform data, and send the voltage waveform data to the voltage processing module;
  • the voltage processing module is used to receive the voltage waveform data.
  • the processing module is arranged inside the acquisition extension 6 .
  • the signal amplification module, the detection module, the analog-to-digital conversion module, and the voltage processing module are integrated together and sealed by potting, so that the tuning and matching unit equipment is not affected by The influence of the external environment improves the reliability of the equipment.
  • the acquisition probe is integrated into the equipment, so that the equipment has the function of voltage acquisition, and the processing module is potted into the equipment, so that the equipment is not affected by the external environment, and the reliability of the equipment is improved, and the non-contact acquisition probe is used to collect the voltage.
  • the acquisition probe does not need to be directly connected to the electrical connection, and the displacement current between the measured object and the voltage sensing electrode at the front of the probe is collected through spatial coupling to obtain the voltage on the surface of the measured object or free space, and the collected coupling current is processed. , so as to obtain the actual current value or voltage value at the cable under test inside the outdoor equipment. In this way, the monitoring of the actual current value or voltage value at the cable under test inside the outdoor equipment is realized.
  • the present invention also provides a non-contact voltage acquisition method, comprising:
  • the actual current value or actual voltage value at the measured cable inside the monitoring outdoor equipment includes:
  • the acquisition probe uses a non-contact acquisition method to acquire the current at the cable under test
  • a processing module to receive the coupling current, and perform signal processing on the coupling current to obtain the actual current value or actual voltage value
  • the performing signal processing on the coupling current includes:
  • a signal amplification module is used to receive the coupling current, amplify the coupling current, and obtain an amplified signal through a correction coefficient
  • the detection module to receive the amplified signal, perform detection processing on the amplified signal to obtain the same voltage waveform as that at the cable under test, and send the voltage waveform to the analog-to-digital conversion module;
  • the voltage waveform is sampled by an analog-to-digital conversion module to obtain voltage waveform data, and the voltage waveform data is sent to the voltage processing module;
  • a voltage processing module is used to receive the voltage waveform data, and perform voltage processing on the voltage waveform data to obtain an actual voltage value.
  • the voltage processing on the voltage waveform data includes:

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Measurement Of Current Or Voltage (AREA)
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Abstract

A track circuit outdoor device having a non-contact voltage acquisition function and a non-contact voltage acquisition method. The track circuit outdoor device comprises a tuning and matching unit device, the tuning and matching unit device comprising an information acquisition module; the information acquisition module is used for monitoring an actual current value or an actual voltage value at a cable to be measured inside the outdoor device. An acquisition probe is integrated inside the track circuit outdoor device, so that the device has a voltage acquisition function; the acquisition probe acquires voltage in a non-contact manner, so that the acquisition probe can acquire, without being directly electrically connected, a current of a site to be measured; and modules in a processing module are embedded inside the device, so that the device is not affected by an external environment, improving the reliability of the device.

Description

一种具备非接触电压采集功能的轨道电路室外设备A track circuit outdoor device with non-contact voltage acquisition function 技术领域technical field
本发明属于电压采集轨道电路领域，特别涉及一种具备非接触电压采集功能的轨道电路室外设备。The invention belongs to the field of voltage collection track circuits, in particular to an outdoor device of track circuits with a non-contact voltage collection function.
背景技术Background technique
现有的调谐匹配单元设备不具备电压采集功能。若需要获取电压时，需通过外接采集设备的方式来实现，由于现场施工繁琐，长期在恶劣环境下，导致通过外接采集设备的方式采集到的电压存在可靠性不高的问题，现有的电压采集为高阻隔离方式，采集点与被测电路间接接触，当采集部分出现故障时，仍会对被测电路产生影响，严重影响设备的正常工作。The existing tuning and matching unit equipment does not have the function of voltage acquisition. If the voltage needs to be acquired, it needs to be realized by external acquisition equipment. Due to the cumbersome construction on site and the long-term harsh environment, the voltage acquired by the external acquisition equipment has the problem of low reliability. The existing voltage The acquisition is a high-resistance isolation method, and the acquisition point is in indirect contact with the circuit under test. When the acquisition part fails, it will still affect the circuit under test and seriously affect the normal operation of the equipment.
因此，如何提供一种进行电压采集的轨道电路室外设备是本领域技术人员亟待解决的问题。Therefore, how to provide a track circuit outdoor device for voltage collection is an urgent problem to be solved by those skilled in the art.
发明内容SUMMARY OF THE INVENTION
针对上述问题，本发明提供一种具备非接触电压采集功能的轨道电路室外设备。In view of the above problems, the present invention provides a track circuit outdoor device with a non-contact voltage collection function.
一种具备非接触电压采集功能的轨道电路室外设备，包括调谐匹配单元设备，A track circuit outdoor device with a non-contact voltage acquisition function, comprising a tuning and matching unit device,
所述调谐匹配单元设备包括信息采集模块；The tuning and matching unit equipment includes an information acquisition module;
所述信息采集模块，用于监测室外设备内部被测线缆处的实际电流值或实际电压值。The information acquisition module is used to monitor the actual current value or the actual voltage value of the cable under test inside the outdoor equipment.
进一步地，further,
所述信息采集模块包括采集探头、射频线缆和处理模块，其中，The information collection module includes a collection probe, a radio frequency cable and a processing module, wherein,
所述采集探头，用于采集所述被测线缆处的电流，获得耦合电流；The acquisition probe is used to acquire the current at the cable under test to obtain the coupling current;
所述射频线缆，用于传送所述耦合电流；the radio frequency cable for transmitting the coupling current;
所述处理模块，用于接收所述耦合电流，对所述耦合电流进行信号处理，得到所述被测线缆处的实际电流值或实际电压值。The processing module is configured to receive the coupling current, perform signal processing on the coupling current, and obtain an actual current value or an actual voltage value at the cable under test.
进一步地，further,
所述采集探头采用非接触采集的方式。The acquisition probe adopts a non-contact acquisition method.
进一步地，further,
所述采集探头包括第一组采集探头和第二组采集探头。The collection probes include a first group of collection probes and a second group of collection probes.
进一步地，further,
所述第一组采集探头，用于采集所述被测线缆处的电缆侧电压V E1E2； The first group of acquisition probes is used to acquire the cable-side voltage V E1E2 at the cable under test;
所述第一组采集探头包括第一探头1和第二探头2。The first group of acquisition probes includes a first probe 1 and a second probe 2 .
进一步地，further,
所述第二组采集探头，用于采集所述被测线缆处的钢轨侧电压V U1U2； The second group of collection probes is used to collect the rail-side voltage V U1U2 at the cable under test;
所述第二组采集探头包括第三探头3和第四探头4。The second group of acquisition probes includes a third probe 3 and a fourth probe 4 .
进一步地，further,
所述第一探头1、所述第二探头2、所述第三探头3和所述第四探头4的内直径均与所述被测线缆外直径匹配。The inner diameters of the first probe 1, the second probe 2, the third probe 3 and the fourth probe 4 all match the outer diameter of the cable under test.
进一步地，further,
所述处理模块包括信号放大模块、检测模块、模数转换模块和电压处理模块；The processing module includes a signal amplification module, a detection module, an analog-to-digital conversion module and a voltage processing module;
所述信号放大模块，用于接收所述耦合电流，对所述耦合电流进行放大处理，并通过校正系数得到放大信号；The signal amplifying module is used for receiving the coupling current, amplifying the coupling current, and obtaining an amplified signal through a correction coefficient;
所述检测模块，用于接收所述放大信号，对所述放大信号进行检测处理，以获得与所述被测线缆处相同的电压波形，并将所述电压波形发送给所述模数转换模块；The detection module is configured to receive the amplified signal, perform detection processing on the amplified signal to obtain the same voltage waveform as the cable under test, and send the voltage waveform to the analog-to-digital conversion module;
所述模数转换模块，用于对所述电压波形进行采样，得到电压波形数据，并将所述电压波形数据发送给所述电压处理模块；The analog-to-digital conversion module is configured to sample the voltage waveform to obtain voltage waveform data, and send the voltage waveform data to the voltage processing module;
所述电压处理模块，用于接收所述电压波形数据，对所述电压波形数据进行电压处理，获得所述实际电压值。The voltage processing module is configured to receive the voltage waveform data, perform voltage processing on the voltage waveform data, and obtain the actual voltage value.
进一步地，further,
所述对所述电压波形数据进行电压处理包括：The voltage processing on the voltage waveform data includes:
接收所述电压波形数据，对所述电压波形数据进行分析，获得实际电压的比例值，根据使用前标定的比例系数，得到所述实际电压值。Receive the voltage waveform data, analyze the voltage waveform data, obtain the proportional value of the actual voltage, and obtain the actual voltage value according to the proportional coefficient calibrated before use.
进一步地，further,
所述信号放大模块、所述检测模块、所述模数转换模块和所述电压处理模块集成在一起，并采用灌封的方式进行密封。The signal amplification module, the detection module, the analog-to-digital conversion module and the voltage processing module are integrated and sealed by potting.
本发明还提供一种非接触电压采集方法，包括：The present invention also provides a non-contact voltage acquisition method, comprising:
采用信息采集模块监测室外设备内部被测线缆处的实际电流值或实际电压值。Use the information acquisition module to monitor the actual current value or actual voltage value at the cable under test inside the outdoor equipment.
进一步地，further,
所述监测室外设备内部被测线缆处的实际电流值或实际电压值包括：The actual current value or actual voltage value at the measured cable inside the monitoring outdoor equipment includes:
采用采集探头采集所述被测线缆处的电流，获得耦合电流；Use the acquisition probe to collect the current at the cable under test to obtain the coupling current;
采用射频线缆传送所述耦合电流；using a radio frequency cable to transmit the coupling current;
采用处理模块接收所述耦合电流，对所述耦合电流进行信号处理，得到所述实际电流值或实际电压值。A processing module is used to receive the coupling current, and perform signal processing on the coupling current to obtain the actual current value or the actual voltage value.
进一步地，further,
所述采集探头采用非接触采集的方式采集所述被测线缆处的电流。The acquisition probe uses a non-contact acquisition method to acquire the current at the cable under test.
进一步地，further,
所述对所述耦合电流进行信号处理包括：The performing signal processing on the coupling current includes:
采用信号放大模块接收所述耦合电流，对所述耦合电流进行放大处理，并通过校正系数得到放大信号；A signal amplification module is used to receive the coupling current, amplify the coupling current, and obtain an amplified signal through a correction coefficient;
采用检测模块接收所述放大信号，对所述放大信号进行检测处理，以获得与所述被测线缆处相同的电压波形，并将所述电压波形发送给模数转换模块；adopt the detection module to receive the amplified signal, perform detection processing on the amplified signal to obtain the same voltage waveform as that at the cable under test, and send the voltage waveform to the analog-to-digital conversion module;
采用模数转换模块对所述电压波形进行采样，得到电压波形数据，并将所述电压波形数据发送给电压处理模块；The voltage waveform is sampled by an analog-to-digital conversion module to obtain voltage waveform data, and the voltage waveform data is sent to the voltage processing module;
采用电压处理模块接收所述电压波形数据，对所述电压波形数据进行电压处理，获得实际电压值。A voltage processing module is used to receive the voltage waveform data, and perform voltage processing on the voltage waveform data to obtain an actual voltage value.
进一步地，further,
所述对所述电压波形数据进行电压处理包括：The voltage processing on the voltage waveform data includes:
接收所述电压波形数据，对所述电压波形数据进行分析，获得实际电压的比例值，根据使用前标定的比例系数，得到所述实际电压值。Receive the voltage waveform data, analyze the voltage waveform data, obtain the proportional value of the actual voltage, and obtain the actual voltage value according to the proportional coefficient calibrated before use.
本发明把采集探头集成到设备内部，使得设备具有电压采集功能，采集探 头采用非接触的方式采集电压，使得采集探头不需要直接与电气连接就可以采集到的被测点的电流；把处理模块内的各个模块灌封到设备内部，使得设备不受外界环境影响，提高了设备可靠性高。The invention integrates the acquisition probe into the device, so that the device has the function of voltage acquisition, and the acquisition probe collects the voltage in a non-contact way, so that the acquisition probe can collect the current of the measured point without being directly connected to the electrical connection; Each module inside is potted into the equipment, so that the equipment is not affected by the external environment, and the reliability of the equipment is improved.
本发明的其它特征和优点将在随后的说明书中阐述，并且，部分地从说明书中变得显而易见，或者通过实施本发明而了解。本发明的目的和其他优点可通过在说明书、权利要求书以及附图中所指出的结构来实现和获得。Other features and advantages of the present invention will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure pointed out in the description, claims and drawings.
附图说明Description of drawings
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作一简单地介绍，显而易见地，下面描述中的附图是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative efforts.
图1示出了本发明实施例中的具备非接触电压采集功能的轨道电路室外设备示意图；FIG. 1 shows a schematic diagram of a track circuit outdoor device with a non-contact voltage collection function in an embodiment of the present invention;
图2示出了本发明实施例中的具备非接触电压采集功能的轨道电路室外设备采集探头安装结构示意图。FIG. 2 shows a schematic diagram of the installation structure of the acquisition probe of the track circuit outdoor equipment with the non-contact voltage acquisition function in the embodiment of the present invention.
附图标记：1、第一探头；2、第二探头；3、第三探头；4、第四探头；5、左连接端子；6、采集分机。Reference numerals: 1. The first probe; 2. The second probe; 3. The third probe; 4. The fourth probe; 5. The left connection terminal; 6. The acquisition extension.
具体实施方式Detailed ways
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地说明，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
图1示出了本发明实施例中的具备非接触电压采集功能的轨道电路室外设备示意图。参见图1，本发明实施例中的一种具备非接触电压采集功能的轨道电路室外设备，包括调谐匹配单元设备，所述调谐匹配单元设备包括信息采集模块；所述信息采集模块，用于监测室外设备内部被测线缆处的实际电流值或电压值。FIG. 1 shows a schematic diagram of the track circuit outdoor equipment with a non-contact voltage collection function in an embodiment of the present invention. Referring to FIG. 1 , a track circuit outdoor device with a non-contact voltage acquisition function in an embodiment of the present invention includes a tuning and matching unit device, and the tuning and matching unit device includes an information acquisition module; the information acquisition module is used for monitoring The actual current value or voltage value at the cable under test inside the outdoor device.
进一步地，所述信息采集模块包括采集探头、射频线缆和处理模块；其中，所述采集探头，用于采集所述被测线缆处的电流，获得耦合电流，具体的，采集探头采用非接触采集的方式采集所述被测线缆处的电流；所述射频线缆，用于传送所述耦合电流；所述处理模块，用于接收所述耦合电流，对所述耦合电流进行信号处理，得到室外设备内部被测线缆处的实际电流值或电压值。Further, the information collection module includes a collection probe, a radio frequency cable, and a processing module; wherein, the collection probe is used to collect the current at the cable under test to obtain the coupling current. Specifically, the collection probe adopts a non- The current at the cable under test is collected by means of contact collection; the radio frequency cable is used to transmit the coupling current; the processing module is used to receive the coupling current and perform signal processing on the coupling current , to obtain the actual current value or voltage value at the cable under test inside the outdoor device.
在本发明实施例中，调谐匹配单元设备的信息采集模块进行电压采集时，采用非接触式采集电压，即将采集探头的传感器电极放在电场中，传感器电极与被测线缆之间将通过静电场产生微小的耦合电流，射频线缆将产生的微小的耦合电流传送给处理模块，处理模块接收所述耦合电流，对所述耦合电流进行信号处理，得到室外设备内部被测线缆处的实际电流值或电压值。In the embodiment of the present invention, when the information acquisition module of the tuning and matching unit device performs voltage acquisition, the non-contact voltage acquisition is adopted, that is, the sensor electrode of the acquisition probe is placed in the electric field, and static electricity is passed between the sensor electrode and the cable under test. The field generates a tiny coupling current, and the RF cable transmits the generated tiny coupling current to the processing module, and the processing module receives the coupling current, performs signal processing on the coupling current, and obtains the actual value of the cable under test inside the outdoor equipment. current value or voltage value.
具体的，所述采集探头包括第一组采集探头和第二组采集探头。所述第一组采集探头，用于采集电缆侧电压V E1E2；所述第一组采集探头包括第一探头1和第二探头2。所述第二组采集探头，用于采集钢轨侧电压V U1U2；所述第二组采集探头包括第三探头3和第四探头4。 Specifically, the collection probe includes a first group of collection probes and a second group of collection probes. The first group of acquisition probes is used to acquire the cable side voltage V E1E2 ; the first group of acquisition probes includes a first probe 1 and a second probe 2 . The second group of acquisition probes is used to acquire the rail side voltage V U1U2 ; the second group of acquisition probes includes a third probe 3 and a fourth probe 4 .
图2示出了本发明实施例中的具备非接触电压采集功能的轨道电路室外设备采集探头安装结构示意图。参见图2，在本发明实施例中，调谐匹配单元设备内部的电压测量点有两处，分别为电缆侧电压V E1E2、钢轨侧电压V U1U2。其中，采集电缆侧电压V E1E2的第一组采集探头直接设置在电缆侧电压端子E1和E2处。钢轨侧电压V U1U2的第三探头3设置到V1端子处，第四探头4设置到左连接端子5处，这样设置既可以保证在正常使用时，即V1端子与V3端子短接时，能够测到两侧连接片电压，也可以保证在测试时，即V1端子与V3端子断开时，能够测到V1V2的电压。 FIG. 2 shows a schematic diagram of the installation structure of the acquisition probe of the track circuit outdoor equipment with the non-contact voltage acquisition function according to the embodiment of the present invention. Referring to FIG. 2 , in the embodiment of the present invention, there are two voltage measurement points inside the tuning and matching unit device, which are the cable side voltage V E1E2 and the rail side voltage V U1U2 respectively . The first group of acquisition probes for acquiring the cable-side voltage V E1E2 are directly arranged at the cable-side voltage terminals E1 and E2. The third probe 3 of the rail side voltage V U1U2 is set to the V1 terminal, and the fourth probe 4 is set to the left connection terminal 5. This setting can ensure that in normal use, that is, when the V1 terminal is short-circuited with the V3 terminal, the measurement can be performed. To the voltage of the connection pieces on both sides, it can also ensure that the voltage of V1V2 can be measured during the test, that is, when the V1 terminal is disconnected from the V3 terminal.
其中，所述第一探头1、所述第二探头2、所述第三探头3和所述第四探头4内直径大小与所述被测线缆外直径匹配。示例性的，被测线缆均采用为1.5mm 2线缆，所述第一探头1、所述第二探头2、所述第三探头3和所述第四探头4按照被测线缆外直径的尺寸制作，确保采集数据的准确性和稳定性。 The inner diameters of the first probe 1, the second probe 2, the third probe 3 and the fourth probe 4 match the outer diameter of the cable under test. Exemplarily, the cables under test are all 1.5mm 2 cables, and the first probe 1 , the second probe 2 , the third probe 3 and the fourth probe 4 The size of the diameter is made to ensure the accuracy and stability of the collected data.
采集探头采集到耦合电流后，通过射频线缆传送给处理模块。进一步具体的，所述处理模块包括信号放大模块、检测模块、模数转换模块和电压处理模 块；所述信号放大模块，用于接收所述耦合电流，对所述耦合电流进行放大处理，并通过校正系数得到所述放大信号；所述检测模块，用于接收放大信号，对放大信号进行检测处理，获得与被测线缆处相同的电压波形，并将所述电压波形发送给所述模数转换模块；所述模数转换模块，用于对所述电压波形进行采样，得到电压波形数据，并将所述电压波形数据发送给所述电压处理模块；所述电压处理模块，用于接收所述电压波形数据，对所述电压波形数据进行电压处理，获得实际电压值，其中对所述电压波形数据进行电压处理包括：接收所述电压波形数据，对所述电压波形数据进行分析，获得实际电压的比例值，根据使用前标定的比例系数，得到实际电压值。使用前标定的比例系数使用前通过校正的方式设置的。得到实际电压值后，通过电力载波PLC将电压值上传至室内。处理模块设置在采集分机6内部。After the acquisition probe collects the coupling current, it is transmitted to the processing module through the radio frequency cable. More specifically, the processing module includes a signal amplification module, a detection module, an analog-to-digital conversion module, and a voltage processing module; the signal amplification module is used to receive the coupling current, amplify the coupling current, and pass the coupling current. The amplified signal is obtained by correcting the coefficient; the detection module is used to receive the amplified signal, perform detection processing on the amplified signal, obtain the same voltage waveform as the cable under test, and send the voltage waveform to the analog-digital a conversion module; the analog-to-digital conversion module is used to sample the voltage waveform to obtain voltage waveform data, and send the voltage waveform data to the voltage processing module; the voltage processing module is used to receive the voltage waveform data. the voltage waveform data, performing voltage processing on the voltage waveform data to obtain an actual voltage value, wherein the voltage processing on the voltage waveform data includes: receiving the voltage waveform data, analyzing the voltage waveform data, and obtaining the actual voltage value The proportional value of the voltage, according to the proportional coefficient calibrated before use, to obtain the actual voltage value. The scale factor calibrated before use is set by calibration before use. After getting the actual voltage value, upload the voltage value to the room through the power carrier PLC. The processing module is arranged inside the acquisition extension 6 .
在本发明实施例中，所述信号放大模块、所述检测模块、所述模数转换模块和所述电压处理模块集成在一起，并采用灌封的方式进行密封，使得调谐匹配单元设备不受到外界环境的影响，提高设备可靠性高。In the embodiment of the present invention, the signal amplification module, the detection module, the analog-to-digital conversion module, and the voltage processing module are integrated together and sealed by potting, so that the tuning and matching unit equipment is not affected by The influence of the external environment improves the reliability of the equipment.
本发明把采集探头集成到设备内部，使得设备具有电压采集功能，并把处理模块灌封到设备内部，使得设备不受外界环境影响，提高设备可靠性高，采用非接触式的采集探头采集电压，使得采集探头不需要直接与电气连接，通过空间耦合采集被测物体与探头前端的电压感应电极之间的位移电流来获得被测物体表面或自由空间的电压，对采集到的耦合电流进行处理，从而得到室外设备内部被测线缆处的实际电流值或电压值。如此实现对室外设备内部被测线缆处的实际电流值或电压值的监测。In the invention, the acquisition probe is integrated into the equipment, so that the equipment has the function of voltage acquisition, and the processing module is potted into the equipment, so that the equipment is not affected by the external environment, and the reliability of the equipment is improved, and the non-contact acquisition probe is used to collect the voltage. , so that the acquisition probe does not need to be directly connected to the electrical connection, and the displacement current between the measured object and the voltage sensing electrode at the front of the probe is collected through spatial coupling to obtain the voltage on the surface of the measured object or free space, and the collected coupling current is processed. , so as to obtain the actual current value or voltage value at the cable under test inside the outdoor equipment. In this way, the monitoring of the actual current value or voltage value at the cable under test inside the outdoor equipment is realized.
本发明还提供一种非接触电压采集方法，包括：The present invention also provides a non-contact voltage acquisition method, comprising:
采用信息采集模块监测室外设备内部被测线缆处的实际电流值或实际电压值；Use the information acquisition module to monitor the actual current value or actual voltage value at the cable under test inside the outdoor equipment;
所述监测室外设备内部被测线缆处的实际电流值或实际电压值包括：The actual current value or actual voltage value at the measured cable inside the monitoring outdoor equipment includes:
采用采集探头采集所述被测线缆处的电流，获得耦合电流；Use the acquisition probe to collect the current at the cable under test to obtain the coupling current;
所述采集探头采用非接触采集的方式采集所述被测线缆处的电流；The acquisition probe uses a non-contact acquisition method to acquire the current at the cable under test;
采用射频线缆传送所述耦合电流；using a radio frequency cable to transmit the coupling current;
采用处理模块接收所述耦合电流，对所述耦合电流进行信号处理，得到所述实际电流值或实际电压值；using a processing module to receive the coupling current, and perform signal processing on the coupling current to obtain the actual current value or actual voltage value;
所述对所述耦合电流进行信号处理包括：The performing signal processing on the coupling current includes:
采用信号放大模块接收所述耦合电流，对所述耦合电流进行放大处理，并通过校正系数得到放大信号；A signal amplification module is used to receive the coupling current, amplify the coupling current, and obtain an amplified signal through a correction coefficient;
采用检测模块接收所述放大信号，对所述放大信号进行检测处理，以获得与所述被测线缆处相同的电压波形，并将所述电压波形发送给模数转换模块；adopt the detection module to receive the amplified signal, perform detection processing on the amplified signal to obtain the same voltage waveform as that at the cable under test, and send the voltage waveform to the analog-to-digital conversion module;
采用模数转换模块对所述电压波形进行采样，得到电压波形数据，并将所述电压波形数据发送给电压处理模块；The voltage waveform is sampled by an analog-to-digital conversion module to obtain voltage waveform data, and the voltage waveform data is sent to the voltage processing module;
采用电压处理模块接收所述电压波形数据，对所述电压波形数据进行电压处理，获得实际电压值。A voltage processing module is used to receive the voltage waveform data, and perform voltage processing on the voltage waveform data to obtain an actual voltage value.
所述对所述电压波形数据进行电压处理包括：The voltage processing on the voltage waveform data includes:
接收所述电压波形数据，对所述电压波形数据进行分析，获得实际电压的比例值，根据使用前标定的比例系数，得到所述实际电压值。Receive the voltage waveform data, analyze the voltage waveform data, obtain the proportional value of the actual voltage, and obtain the actual voltage value according to the proportional coefficient calibrated before use.
尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。Although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements to some of the technical features; and these Modifications or substitutions do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (15)

  1. 一种具备非接触电压采集功能的轨道电路室外设备，包括调谐匹配单元设备，其特征在于，A track circuit outdoor device with a non-contact voltage acquisition function, comprising a tuning and matching unit device, characterized in that:
    所述调谐匹配单元设备包括信息采集模块；The tuning and matching unit equipment includes an information acquisition module;
    所述信息采集模块，用于监测室外设备内部被测线缆处的实际电流值或实际电压值。The information acquisition module is used to monitor the actual current value or the actual voltage value of the cable under test inside the outdoor equipment.
  2. 根据权利要求1所述的具备非接触电压采集功能的轨道电路室外设备，其特征在于，The track circuit outdoor equipment with a non-contact voltage acquisition function according to claim 1, characterized in that:
    所述信息采集模块包括采集探头、射频线缆和处理模块，其中，The information collection module includes a collection probe, a radio frequency cable and a processing module, wherein,
    所述采集探头，用于采集所述被测线缆处的电流，获得耦合电流；The acquisition probe is used to acquire the current at the cable under test to obtain the coupling current;
    所述射频线缆，用于传送所述耦合电流；the radio frequency cable for transmitting the coupling current;
    所述处理模块，用于接收所述耦合电流，对所述耦合电流进行信号处理，得到所述被测线缆处的实际电流值或实际电压值。The processing module is configured to receive the coupling current, perform signal processing on the coupling current, and obtain an actual current value or an actual voltage value at the cable under test.
  3. 根据权利要求2所述的具备非接触电压采集功能的轨道电路室外设备，其特征在于，The track circuit outdoor equipment with a non-contact voltage acquisition function according to claim 2, characterized in that:
    所述采集探头采用非接触采集的方式。The acquisition probe adopts a non-contact acquisition method.
  4. 根据权利要求3所述的具备非接触电压采集功能的轨道电路室外设备，其特征在于，The track circuit outdoor equipment with a non-contact voltage acquisition function according to claim 3, characterized in that:
    所述采集探头包括第一组采集探头和第二组采集探头。The collection probes include a first group of collection probes and a second group of collection probes.
  5. 根据权利要求4所述的具备非接触电压采集功能的轨道电路室外设备，其特征在于，The track circuit outdoor equipment with a non-contact voltage acquisition function according to claim 4, characterized in that:
    所述第一组采集探头，用于采集所述被测线缆处的电缆侧电压V E1E2； The first group of acquisition probes is used to acquire the cable-side voltage V E1E2 at the cable under test;
    所述第一组采集探头包括第一探头(1)和第二探头(2)。The first group of acquisition probes includes a first probe (1) and a second probe (2).
  6. 根据权利要求4所述的具备非接触电压采集功能的轨道电路室外设备，其特征在于，The track circuit outdoor equipment with a non-contact voltage acquisition function according to claim 4, characterized in that:
    所述第二组采集探头，用于采集所述被测线缆处的钢轨侧电压V U1U2； The second group of collection probes is used to collect the rail-side voltage V U1U2 at the cable under test;
    所述第二组采集探头包括第三探头(3)和第四探头(4)。The second group of acquisition probes includes a third probe (3) and a fourth probe (4).
  7. 根据权利要求5或6任一所述的具备非接触电压采集功能的轨道电路室 外设备，其特征在于，The track circuit outdoor equipment with a non-contact voltage collection function according to any one of claims 5 or 6, characterized in that,
    所述第一探头(1)、所述第二探头(2)、所述第三探头(3)和所述第四探头(4)的内直径均与所述被测线缆外直径匹配。The inner diameters of the first probe (1), the second probe (2), the third probe (3) and the fourth probe (4) all match the outer diameter of the cable under test.
  8. 根据权利要求2所述的具备非接触电压采集功能的轨道电路室外设备，其特征在于，The track circuit outdoor equipment with a non-contact voltage acquisition function according to claim 2, characterized in that:
    所述处理模块包括信号放大模块、检测模块、模数转换模块和电压处理模块；The processing module includes a signal amplification module, a detection module, an analog-to-digital conversion module and a voltage processing module;
    所述信号放大模块，用于接收所述耦合电流，对所述耦合电流进行放大处理，并通过校正系数得到放大信号；The signal amplification module is used for receiving the coupling current, amplifying the coupling current, and obtaining an amplified signal through a correction coefficient;
    所述检测模块，用于接收所述放大信号，对所述放大信号进行检测处理，以获得与所述被测线缆处相同的电压波形，并将所述电压波形发送给所述模数转换模块；The detection module is configured to receive the amplified signal, perform detection processing on the amplified signal to obtain the same voltage waveform as the cable under test, and send the voltage waveform to the analog-to-digital conversion module;
    所述模数转换模块，用于对所述电压波形进行采样，得到电压波形数据，并将所述电压波形数据发送给所述电压处理模块；The analog-to-digital conversion module is configured to sample the voltage waveform to obtain voltage waveform data, and send the voltage waveform data to the voltage processing module;
    所述电压处理模块，用于接收所述电压波形数据，对所述电压波形数据进行电压处理，获得所述实际电压值。The voltage processing module is configured to receive the voltage waveform data, perform voltage processing on the voltage waveform data, and obtain the actual voltage value.
  9. 根据权利要求8所述的具备非接触电压采集功能的轨道电路室外设备，其特征在于，The track circuit outdoor equipment with a non-contact voltage acquisition function according to claim 8, characterized in that:
    所述对所述电压波形数据进行电压处理包括：The voltage processing on the voltage waveform data includes:
    接收所述电压波形数据，对所述电压波形数据进行分析，获得实际电压的比例值，根据使用前标定的比例系数，得到所述实际电压值。Receive the voltage waveform data, analyze the voltage waveform data, obtain the proportional value of the actual voltage, and obtain the actual voltage value according to the proportional coefficient calibrated before use.
  10. 根据权利要求8所述的具备非接触电压采集功能的轨道电路室外设备，其特征在于，The track circuit outdoor equipment with a non-contact voltage acquisition function according to claim 8, characterized in that:
    所述信号放大模块、所述检测模块、所述模数转换模块和所述电压处理模块集成在一起，并采用灌封的方式进行密封。The signal amplification module, the detection module, the analog-to-digital conversion module and the voltage processing module are integrated and sealed by potting.
  11. 一种非接触电压采集方法，其特征在于，包括：A non-contact voltage acquisition method, comprising:
    采用信息采集模块监测室外设备内部被测线缆处的实际电流值或实际电压值。Use the information acquisition module to monitor the actual current value or actual voltage value at the cable under test inside the outdoor equipment.
  12. 根据权利要求11所述的非接触电压采集方法，其特征在于，The non-contact voltage acquisition method according to claim 11, wherein,
    所述监测室外设备内部被测线缆处的实际电流值或实际电压值包括：The actual current value or actual voltage value at the measured cable inside the monitoring outdoor equipment includes:
    采用采集探头采集所述被测线缆处的电流，获得耦合电流；Use the acquisition probe to collect the current at the cable under test to obtain the coupling current;
    采用射频线缆传送所述耦合电流；using a radio frequency cable to transmit the coupling current;
    采用处理模块接收所述耦合电流，对所述耦合电流进行信号处理，得到所述实际电流值或实际电压值。A processing module is used to receive the coupling current, and perform signal processing on the coupling current to obtain the actual current value or actual voltage value.
  13. 根据权利要求12所述的非接触电压采集方法，其特征在于，The non-contact voltage acquisition method according to claim 12, wherein,
    所述采集探头采用非接触采集的方式采集所述被测线缆处的电流。The acquisition probe uses a non-contact acquisition method to acquire the current at the cable under test.
  14. 根据权利要求12所述的非接触电压采集方法，其特征在于，The non-contact voltage acquisition method according to claim 12, wherein,
    所述对所述耦合电流进行信号处理包括：The performing signal processing on the coupling current includes:
    采用信号放大模块接收所述耦合电流，对所述耦合电流进行放大处理，并通过校正系数得到放大信号；A signal amplification module is used to receive the coupling current, amplify the coupling current, and obtain an amplified signal through a correction coefficient;
    采用检测模块接收所述放大信号，对所述放大信号进行检测处理，以获得与所述被测线缆处相同的电压波形，并将所述电压波形发送给模数转换模块；adopt the detection module to receive the amplified signal, perform detection processing on the amplified signal to obtain the same voltage waveform as that at the cable under test, and send the voltage waveform to the analog-to-digital conversion module;
    采用模数转换模块对所述电压波形进行采样，得到电压波形数据，并将所述电压波形数据发送给电压处理模块；The voltage waveform is sampled by an analog-to-digital conversion module to obtain voltage waveform data, and the voltage waveform data is sent to the voltage processing module;
    采用电压处理模块接收所述电压波形数据，对所述电压波形数据进行电压处理，获得实际电压值。A voltage processing module is used to receive the voltage waveform data, and perform voltage processing on the voltage waveform data to obtain an actual voltage value.
  15. 根据权利要求14所述的非接触电压采集方法，其特征在于，The non-contact voltage acquisition method according to claim 14, wherein,
    所述对所述电压波形数据进行电压处理包括：The voltage processing on the voltage waveform data includes:
    接收所述电压波形数据，对所述电压波形数据进行分析，获得实际电压的比例值，根据使用前标定的比例系数，得到所述实际电压值。Receive the voltage waveform data, analyze the voltage waveform data, obtain the proportional value of the actual voltage, and obtain the actual voltage value according to the proportional coefficient calibrated before use.
PCT/CN2021/104722 2020-10-23 2021-07-06 Track circuit outdoor device having non-contact voltage acquisition function WO2022083175A1 (en)

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