CN112462126A - Track circuit outdoor equipment with non-contact voltage acquisition function - Google Patents
Track circuit outdoor equipment with non-contact voltage acquisition function Download PDFInfo
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- CN112462126A CN112462126A CN202011149858.6A CN202011149858A CN112462126A CN 112462126 A CN112462126 A CN 112462126A CN 202011149858 A CN202011149858 A CN 202011149858A CN 112462126 A CN112462126 A CN 112462126A
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- 238000012545 processing Methods 0.000 claims abstract description 59
- 238000012544 monitoring process Methods 0.000 claims abstract description 11
- 230000008878 coupling Effects 0.000 claims description 47
- 238000010168 coupling process Methods 0.000 claims description 47
- 238000005859 coupling reaction Methods 0.000 claims description 47
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 230000003321 amplification Effects 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 11
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 11
- 238000012937 correction Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 238000005070 sampling Methods 0.000 claims description 6
- 238000004382 potting Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
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- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
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- 238000002955 isolation Methods 0.000 description 1
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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
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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
- G01R19/0084—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only
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Abstract
The invention provides track circuit outdoor equipment with a non-contact voltage acquisition function, which comprises tuning matching unit equipment, wherein the tuning matching unit equipment comprises an information acquisition module; the information acquisition module is used for monitoring the actual current value or the actual voltage value of the measured cable inside the outdoor equipment. The acquisition probe is integrated into the equipment, so that the equipment has a voltage acquisition function, and the acquisition probe acquires voltage in a non-contact mode, so that the acquisition probe can acquire the current of a measured point without direct electrical connection; each module in the processing module is encapsulated in the equipment, so that the equipment is not influenced by the external environment, and the reliability of the equipment is improved.
Description
Technical Field
The invention belongs to the field of voltage acquisition track circuits, and particularly relates to track circuit outdoor equipment with a non-contact voltage acquisition function.
Background
The existing tuning matching unit equipment does not have a voltage acquisition function. If need obtain the voltage, need realize through the mode of external collection equipment, because the field operation is loaded down with trivial details, under the adverse circumstances for a long time, the voltage that leads to through the mode of external collection equipment to gather has the not high problem of reliability, current voltage collection is high resistant isolation mode, and the collection point contacts with the circuit under test indirectly, when gathering some trouble, still can produce the influence to the circuit under test, seriously influences the normal work of equipment.
Therefore, how to provide a track circuit outdoor device for voltage collection is a problem to be solved urgently by those skilled in the art.
Disclosure of Invention
In view of the above problems, the present invention provides an outdoor device of a track circuit having a non-contact voltage collecting function.
An outdoor equipment of track circuit with non-contact voltage collecting function comprises a tuning matching unit equipment,
the tuning matching unit equipment comprises an information acquisition module;
the information acquisition module is used for monitoring the actual current value or the actual voltage value of the measured cable inside the outdoor equipment.
Further, the air conditioner is provided with a fan,
the information acquisition module comprises an acquisition probe, a radio frequency cable and a processing module, wherein,
the acquisition probe is used for acquiring the current at the position of the cable to be detected to obtain a coupling current;
the radio frequency cable is used for transmitting the coupling current;
and the processing module is used for receiving the coupling current and carrying out signal processing on the coupling current to obtain an actual current value or an actual voltage value at the position of the cable to be measured.
Further, the air conditioner is provided with a fan,
the acquisition probe adopts a non-contact acquisition mode.
Further, the air conditioner is provided with a fan,
the acquisition probes include a first set of acquisition probes and a second set of acquisition probes.
Further, the air conditioner is provided with a fan,
the first group of collecting probes is used for collecting the cable side voltage V at the position of the cable to be detectedE1E2；
The first set of acquisition probes comprises a first probe 1 and a second probe 2.
Further, the air conditioner is provided with a fan,
the second group of collecting probes are used for collecting the rail side voltage V at the position of the cable to be measuredU1U2；
The second set of acquisition probes comprises a third probe 3 and a fourth probe 4.
Further, the air conditioner is provided with a fan,
the inner diameters of the first probe 1, the second probe 2, the third probe 3 and the fourth probe 4 are matched with the outer diameter of the tested cable.
Further, the air conditioner is provided with a fan,
the processing module comprises a signal amplification module, a detection module, an analog-to-digital conversion module and a voltage processing module;
the signal amplification 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 used for receiving the amplified signal, detecting the amplified signal to obtain a voltage waveform identical to that of the cable to be detected, and sending the voltage waveform to the analog-to-digital conversion module;
the analog-to-digital conversion module is used for sampling the voltage waveform to obtain voltage waveform data and sending the voltage waveform data to the voltage processing module;
and the voltage processing module is used for receiving the voltage waveform data, and performing voltage processing on the voltage waveform data to obtain the actual voltage value.
Further, the air conditioner is provided with a fan,
the voltage processing the voltage waveform data comprises:
and receiving the voltage waveform data, analyzing the voltage waveform data to obtain a proportional value of the actual voltage, and obtaining the actual voltage value according to a proportional coefficient calibrated before use.
Further, the air conditioner is provided with a fan,
the signal amplification module, the detection module, the analog-to-digital conversion module and the voltage processing module are integrated together and sealed in a potting mode.
The invention also provides a non-contact voltage acquisition method, which comprises the following steps:
and monitoring the actual current value or the actual voltage value of the measured cable inside the outdoor equipment by adopting an information acquisition module.
Further, the air conditioner is provided with a fan,
the monitoring of the actual current value or the actual voltage value at the measured cable inside the outdoor unit comprises:
collecting the current at the position of the cable to be measured by adopting a collecting probe to obtain a coupling current;
transmitting the coupling current using a radio frequency cable;
and receiving the coupling current by adopting a processing module, and carrying out signal processing on the coupling current to obtain the actual current value or the actual voltage value.
Further, the air conditioner is provided with a fan,
the acquisition probe acquires the current at the position of the cable to be detected in a non-contact acquisition mode.
Further, the air conditioner is provided with a fan,
the signal processing the coupling current comprises:
receiving the coupling current by using a signal amplification module, amplifying the coupling current, and obtaining an amplified signal by using a correction coefficient;
receiving the amplified signal by using a detection module, detecting the amplified signal to obtain a voltage waveform identical to that of the cable to be detected, and sending the voltage waveform to an analog-to-digital conversion module;
sampling the voltage waveform by adopting an analog-to-digital conversion module to obtain voltage waveform data, and sending the voltage waveform data to a voltage processing module;
and receiving the voltage waveform data by adopting a voltage processing module, and carrying out voltage processing on the voltage waveform data to obtain an actual voltage value.
Further, the air conditioner is provided with a fan,
the voltage processing the voltage waveform data comprises:
and receiving the voltage waveform data, analyzing the voltage waveform data to obtain a proportional value of the actual voltage, and obtaining the actual voltage value according to a proportional coefficient calibrated before use.
The acquisition probe is integrated into the equipment, so that the equipment has a voltage acquisition function, and the acquisition probe acquires voltage in a non-contact mode, so that the acquisition probe can acquire the current of a measured point without direct electrical connection; each module in the processing module is encapsulated in the equipment, so that the equipment is not influenced by the external environment, and the reliability of the equipment is improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a track circuit outdoor unit with a non-contact voltage acquisition function according to an embodiment of the present invention;
fig. 2 shows a schematic structural diagram of an acquisition probe of the track circuit outdoor equipment with a non-contact voltage acquisition function in the embodiment of the invention.
Reference numerals: 1. a first probe; 2. a second probe; 3. a third probe; 4. a fourth probe; 5. a left connection terminal; 6. and collecting the extension.
Detailed Description
In order to make the objects, 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 drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 shows a schematic diagram of a track circuit outdoor device with a non-contact voltage collecting function in an embodiment of the invention. Referring to fig. 1, the track circuit outdoor device with a non-contact voltage acquisition function in the embodiment of the present invention includes a tuning matching unit device, where the tuning matching unit device includes an information acquisition module; the information acquisition module is used for monitoring the actual current value or the voltage value of the measured cable inside the outdoor equipment.
Further, the information acquisition module comprises an acquisition probe, a radio frequency cable and a processing module; the acquisition probe is used for acquiring the current at the measured cable to obtain a coupling current, and specifically, the acquisition probe acquires the current at the measured cable in a non-contact acquisition manner; the radio frequency cable is used for transmitting the coupling current; and the processing module is used for receiving the coupling current and carrying out signal processing on the coupling current to obtain an actual current value or a voltage value at the position of the measured cable inside the outdoor equipment.
In the embodiment of the invention, when the information acquisition module of the tuning matching unit equipment acquires voltage, the voltage is acquired in a non-contact mode, namely, a sensor electrode of an acquisition probe is placed in an electric field, a tiny coupling current is generated between the sensor electrode and a cable to be measured through an electrostatic field, a radio frequency cable transmits the generated tiny coupling current to a processing module, and the processing module receives the coupling current and performs signal processing on the coupling current to obtain an actual current value or a voltage value of the cable to be measured in the outdoor equipment.
Specifically, the acquisition probes comprise a first group of acquisition probes and a second group of acquisition probes. The first group of collecting probes is used for collecting the voltage V on the cable sideE1E2(ii) a The first set of acquisition probes comprises a first probe 1 and a second probe 2. The second group of collecting probes are used for collecting the voltage V on the side of the steel railU1U2(ii) a The second set of acquisition probes comprises a third probe 3 and a fourth probe 4.
Fig. 2 shows a schematic structural diagram of an acquisition probe of the track circuit outdoor equipment with a non-contact voltage acquisition function in the embodiment of the invention. Referring to fig. 2, in the embodiment of the present invention, there are two voltage measurement points inside the tuning matching unit device, which are the cable side voltage V respectivelyE1E2Rail side voltage VU1U2. Wherein, the voltage V at the cable side is collectedE1E2Is provided directly at the cable side voltage terminals E1 and E2. Rail side voltage VU1U2The third probe 3 is arranged at the V1 terminal, the fourth probe 4 is arranged at the left connecting terminal 5, so that the arrangement can ensure that the voltage of the connecting plates at two sides can be measured when the normal use is carried out, namely the V1 terminal and the V3 terminal are short-circuited, and can also ensure that the voltage of V1V2 can be measured when the test is carried out, namely the V1 terminal and the V3 terminal are disconnected.
Wherein the inner diameter of the first probe 1, the second probe 2, the third probe 3 and the fourth probe 4 is matched with the outer diameter of the tested cable. Illustratively, the cables to be tested are all 1.5mm2The first probe 1, the second probe 2, the third probe 3 and the fourth probe 4 are manufactured according to the size of the outer diameter of the cable to be measured, so that the acquisition is ensuredAccuracy and stability of the data.
After the acquisition probe acquires the coupling current, the coupling current is transmitted to the processing module through the radio frequency cable. More specifically, the processing module includes a signal amplifying module, a detecting module, an analog-to-digital conversion module and a voltage processing module; the signal amplification module is used for receiving the coupling current, amplifying the coupling current and obtaining the amplified signal through a correction coefficient; the detection module is used for receiving the amplified signal, detecting the amplified signal, obtaining a voltage waveform identical to that of the cable to be detected, and sending the voltage waveform to the analog-to-digital conversion module; the analog-to-digital conversion module is used for sampling the voltage waveform to obtain voltage waveform data and sending 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 an actual voltage value, where performing voltage processing on the voltage waveform data includes: and receiving the voltage waveform data, analyzing the voltage waveform data to obtain a proportional value of the actual voltage, and obtaining the actual voltage value according to a proportional coefficient calibrated before use. The scaling factor calibrated before use is set by means of correction before use. After the actual voltage value is obtained, the voltage value is uploaded to the indoor through the power carrier PLC. The processing module is arranged inside the collecting extension 6.
In the embodiment of the invention, the signal amplification module, the detection module, the analog-to-digital conversion module and the voltage processing module are integrated together and sealed in an encapsulating manner, so that the tuning matching unit equipment is not influenced by the external environment, and the reliability of the equipment is improved.
The invention integrates the acquisition probe into the equipment, so that the equipment has a voltage acquisition function, and encapsulates the processing module into the equipment, so that the equipment is not influenced by the external environment, the reliability of the equipment is improved, the non-contact acquisition probe is adopted to acquire voltage, so that the acquisition probe does not need to be directly electrically connected, the displacement current between the object to be measured and the voltage induction electrode at the front end of the probe is acquired through space coupling to obtain the voltage of the surface of the object to be measured or the free space, and the acquired coupling current is processed, so that the actual current value or the voltage value of the cable to be measured in the outdoor equipment is obtained. Therefore, the monitoring of the actual current value or the voltage value at the tested cable inside the outdoor equipment is realized.
The invention also provides a non-contact voltage acquisition method, which comprises the following steps:
monitoring an actual current value or an actual voltage value of a measured cable inside the outdoor equipment by using an information acquisition module;
the monitoring of the actual current value or the actual voltage value at the measured cable inside the outdoor unit comprises:
collecting the current at the position of the cable to be measured by adopting a collecting probe to obtain a coupling current;
the acquisition probe acquires the current at the position of the cable to be detected in a non-contact acquisition mode;
transmitting the coupling current using a radio frequency cable;
receiving the coupling current by using a processing module, and carrying out signal processing on the coupling current to obtain an actual current value or an actual voltage value;
the signal processing the coupling current comprises:
receiving the coupling current by using a signal amplification module, amplifying the coupling current, and obtaining an amplified signal by using a correction coefficient;
receiving the amplified signal by using a detection module, detecting the amplified signal to obtain a voltage waveform identical to that of the cable to be detected, and sending the voltage waveform to an analog-to-digital conversion module;
sampling the voltage waveform by adopting an analog-to-digital conversion module to obtain voltage waveform data, and sending the voltage waveform data to a voltage processing module;
and receiving the voltage waveform data by adopting a voltage processing module, and carrying out voltage processing on the voltage waveform data to obtain an actual voltage value.
The voltage processing the voltage waveform data comprises:
and receiving the voltage waveform data, analyzing the voltage waveform data to obtain a proportional value of the actual voltage, and obtaining the actual voltage value according to a proportional coefficient calibrated before use.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (15)
1. A track circuit outdoor equipment with non-contact voltage acquisition function comprises a tuning matching unit equipment and is characterized in that,
the tuning matching unit equipment comprises an information acquisition module;
the information acquisition module is used for monitoring the actual current value or the actual voltage value of the measured cable inside the outdoor equipment.
2. The track circuit outdoor unit with non-contact voltage collecting function according to claim 1,
the information acquisition module comprises an acquisition probe, a radio frequency cable and a processing module, wherein,
the acquisition probe is used for acquiring the current at the position of the cable to be detected to obtain a coupling current;
the radio frequency cable is used for transmitting the coupling current;
and the processing module is used for receiving the coupling current and carrying out signal processing on the coupling current to obtain an actual current value or an actual voltage value at the position of the cable to be measured.
3. The track circuit outdoor unit with non-contact voltage collecting function according to claim 2,
the acquisition probe adopts a non-contact acquisition mode.
4. The track circuit outdoor unit with non-contact voltage collecting function according to claim 3,
the acquisition probes include a first set of acquisition probes and a second set of acquisition probes.
5. The track circuit outdoor unit with non-contact voltage collecting function according to claim 4,
the first group of collecting probes is used for collecting the cable side voltage V at the position of the cable to be detectedE1E2；
The first set of acquisition probes comprises a first probe (1) and a second probe (2).
6. The track circuit outdoor unit with non-contact voltage collecting function according to claim 4,
the second group of collecting probes are used for collecting the rail side voltage V at the position of the cable to be measuredU1U2；
The second group of acquisition probes comprises a third probe (3) and a fourth probe (4).
7. The outdoor unit of track circuit with non-contact voltage collecting function as claimed in claim 5 or 6,
the inner diameters of the first probe (1), the second probe (2), the third probe (3) and the fourth probe (4) are matched with the outer diameter of the tested cable.
8. The track circuit outdoor unit with non-contact voltage collecting function according to claim 2,
the processing module comprises a signal amplification module, a detection module, an analog-to-digital conversion module and a voltage processing module;
the signal amplification 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 used for receiving the amplified signal, detecting the amplified signal to obtain a voltage waveform identical to that of the cable to be detected, and sending the voltage waveform to the analog-to-digital conversion module;
the analog-to-digital conversion module is used for sampling the voltage waveform to obtain voltage waveform data and sending the voltage waveform data to the voltage processing module;
and the voltage processing module is used for receiving the voltage waveform data, and performing voltage processing on the voltage waveform data to obtain the actual voltage value.
9. The track circuit outdoor unit with non-contact voltage collecting function according to claim 8,
the voltage processing the voltage waveform data comprises:
and receiving the voltage waveform data, analyzing the voltage waveform data to obtain a proportional value of the actual voltage, and obtaining the actual voltage value according to a proportional coefficient calibrated before use.
10. The track circuit outdoor unit with non-contact voltage collecting function according to claim 8,
the signal amplification module, the detection module, the analog-to-digital conversion module and the voltage processing module are integrated together and sealed in a potting mode.
11. A non-contact voltage acquisition method, comprising:
and monitoring the actual current value or the actual voltage value of the measured cable inside the outdoor equipment by adopting an information acquisition module.
12. The non-contact voltage collecting method according to claim 11,
the monitoring of the actual current value or the actual voltage value at the measured cable inside the outdoor unit comprises:
collecting the current at the position of the cable to be measured by adopting a collecting probe to obtain a coupling current;
transmitting the coupling current using a radio frequency cable;
and receiving the coupling current by adopting a processing module, and carrying out signal processing on the coupling current to obtain the actual current value or the actual voltage value.
13. The non-contact voltage collecting method according to claim 12,
the acquisition probe acquires the current at the position of the cable to be detected in a non-contact acquisition mode.
14. The non-contact voltage collecting method according to claim 12,
the signal processing the coupling current comprises:
receiving the coupling current by using a signal amplification module, amplifying the coupling current, and obtaining an amplified signal by using a correction coefficient;
receiving the amplified signal by using a detection module, detecting the amplified signal to obtain a voltage waveform identical to that of the cable to be detected, and sending the voltage waveform to an analog-to-digital conversion module;
sampling the voltage waveform by adopting an analog-to-digital conversion module to obtain voltage waveform data, and sending the voltage waveform data to a voltage processing module;
and receiving the voltage waveform data by adopting a voltage processing module, and carrying out voltage processing on the voltage waveform data to obtain an actual voltage value.
15. The non-contact voltage acquisition method according to claim 14,
the voltage processing the voltage waveform data comprises:
and receiving the voltage waveform data, analyzing the voltage waveform data to obtain a proportional value of the actual voltage, and obtaining the actual voltage value according to a proportional coefficient calibrated before use.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011149858.6A CN112462126B (en) | 2020-10-23 | 2020-10-23 | Track circuit outdoor equipment with non-contact voltage acquisition function |
| PCT/CN2021/104722 WO2022083175A1 (en) | 2020-10-23 | 2021-07-06 | Track circuit outdoor device having non-contact voltage acquisition function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011149858.6A CN112462126B (en) | 2020-10-23 | 2020-10-23 | Track circuit outdoor equipment with non-contact voltage acquisition function |
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| CN112462126A true CN112462126A (en) | 2021-03-09 |
| CN112462126B CN112462126B (en) | 2023-04-28 |
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| WO (1) | WO2022083175A1 (en) |
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| CN117907667A (en) * | 2024-03-20 | 2024-04-19 | 季华实验室 | Acquisition device |
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| WO2022083175A1 (en) * | 2020-10-23 | 2022-04-28 | 北京全路通信信号研究设计院集团有限公司 | Track circuit outdoor device having non-contact voltage acquisition function |
| CN117907667A (en) * | 2024-03-20 | 2024-04-19 | 季华实验室 | Acquisition device |
| CN117907667B (en) * | 2024-03-20 | 2024-05-28 | 季华实验室 | Acquisition device |
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| WO2022083175A1 (en) | 2022-04-28 |
| CN112462126B (en) | 2023-04-28 |
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