CN115542205A - System and method for monitoring magnetic field of superconducting magnet in real time - Google Patents
System and method for monitoring magnetic field of superconducting magnet in real time Download PDFInfo
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- CN115542205A CN115542205A CN202211480001.1A CN202211480001A CN115542205A CN 115542205 A CN115542205 A CN 115542205A CN 202211480001 A CN202211480001 A CN 202211480001A CN 115542205 A CN115542205 A CN 115542205A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 26
- 238000001514 detection method Methods 0.000 claims abstract description 126
- 238000001914 filtration Methods 0.000 claims abstract description 15
- 239000000523 sample Substances 0.000 claims description 9
- 238000007405 data analysis Methods 0.000 claims description 6
- 238000013500 data storage Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 abstract description 22
- 238000004904 shortening Methods 0.000 abstract 1
- 238000011897 real-time detection Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
- G01R33/07—Hall effect devices
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Abstract
The invention discloses a system and a method for monitoring the magnetic field of a superconducting magnet in real time, wherein the system comprises: the sensor is used for acquiring a plurality of detection signals of the magnetic field; the detection switching device is used for switching and transmitting a first detection signal in the plurality of detection signals to the multichannel detection instrument according to a preset first switching instruction; the multi-channel detection instrument is used for performing signal filtering of low-pass band-stop filtering on the first detection signal and outputting the filtered first detection signal; and the PLC control system is used for receiving the filtered first detection signal and sending a second switching instruction to the detection switching device to switch and transmit a second detection signal in the plurality of detection signals so as to complete the signal detection in the current round. The invention has the advantages of automatic measurement, no need of manual participation, saving the erection time of measurement equipment, shortening the single measurement time and saving human resources. The measurement precision is improved, the measurement efficiency is greatly improved, and high-frequency measurement and real-time magnetic field detection can be realized.
Description
Technical Field
The invention relates to the technical field of magnetic field monitoring, in particular to a system and a method for monitoring a magnetic field of a superconducting magnet in real time.
Background
The prior art scheme of the magnetic field of the superconducting magnet is manual field measurement. And manually installing and arranging equipment required for measurement on site. And laying temporary cables on the manual site. And erecting a temporary power supply on a manual site. Manually calibrating the equipment one by one according to point positions, measuring data and manually recording results. And manually cleaning the site and recording the measurement result into the system.
The manual on-site measurement wastes time and manpower. The manual field measurement has insufficient measurement precision and poor consistency, different measurement personnel often measure simultaneously, the measurement result has deviation, and the measurement consistency is poor. Manual field measurement is not efficient, and high-frequency real-time measurement cannot be carried out. For the reasons, the field space of the added equipment is narrow, the equipment structure is complex, and the equipment is not very favorable for erecting and operating the equipment, so that the application and popularization of the new scheme are certainly and widely welcomed.
Disclosure of Invention
The present invention is directed to solving, at least in part, one of the technical problems in the related art.
Therefore, the present invention aims to provide a superconducting magnet magnetic field real-time monitoring system aiming at the above mentioned technical problems. The invention effectively integrates and integrates new technology and new equipment of the magnetic field measuring device. In the past, the transmission distance of a magnetic field detection signal is short, the requirement on signal connection is high, namely the length of a cable is not long, and the interference of connection contact resistance on the signal is large. The invention realizes the effective real-time detection of long distance and multiple loops of magnetic field.
Another objective of the present invention is to provide a method for monitoring the magnetic field of a superconducting magnet in real time.
In order to achieve the above object, in one aspect, the present invention provides a system for monitoring a magnetic field of a superconducting magnet in real time, including:
the sensor is used for acquiring a plurality of detection signals of the magnetic field;
the detection switching device is used for switching and transmitting a first detection signal in the plurality of detection signals to the multichannel detection instrument according to a preset first switching instruction;
the multichannel detection instrument is used for performing signal filtering of low-pass band-stop filtering on the first detection signal and outputting the filtered first detection signal;
and the PLC control system is used for receiving the filtered first detection signals and sending a second switching instruction to the detection switching device to switch and transmit a second detection signal in the plurality of detection signals so as to complete the signal detection of the current round.
In addition, the superconducting magnet magnetic field real-time monitoring system according to the above embodiment of the present invention may further have the following additional technical features:
further, in one embodiment of the present invention, the sensor is a hall probe.
Further, in an embodiment of the present invention, the detection switching device is disposed in the electric cabinet, and the detection switching device includes a switching circuit.
Further, in an embodiment of the present invention, the system further includes a master control system database, the PLC control system packages and sends corresponding detection signals to the master control system database after completing one round of signal detection, and the master control system database is configured to perform data analysis and storage on the corresponding detection signals.
Further, the preset first switching instruction comprises a switching instruction issued by the PLC control system according to a process requirement.
In order to achieve the above object, another aspect of the present invention provides a method for monitoring a magnetic field of a superconducting magnet in real time, including:
acquiring a plurality of detection signals of the magnetic field;
acquiring a first detection signal in the plurality of detection signals according to a preset first switching instruction;
performing signal filtering of low-pass band-stop filtering on the first detection signal to obtain a filtered first detection signal;
and obtaining a second detection signal in the plurality of detection signals based on the filtered first detection signal and the second switching instruction so as to complete the signal detection of the current round.
The system and the method for monitoring the magnetic field of the superconducting magnet in real time effectively integrate and integrate new technology and new equipment of the magnetic field measurement device, realize the real-time monitoring of the magnetic field of the superconducting magnet, break through the traditional manual measurement, liberate manpower, effectively reduce the labor cost and provide effective technical support for a new generation of controllable magnetic field magnets.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a superconducting magnet magnetic field real-time monitoring system according to an embodiment of the invention;
fig. 2 is a schematic view of a scene structure of a superconducting magnet magnetic field real-time monitoring system according to an embodiment of the invention;
fig. 3 is a flowchart of a method for monitoring the magnetic field of a superconducting magnet in real time according to an embodiment of the invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the technical solutions of the present invention better understood, 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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
The system and the method for monitoring the magnetic field of the superconducting magnet in real time according to the embodiment of the invention are described below with reference to the attached drawings.
Fig. 1 is a flowchart of a superconducting magnet magnetic field real-time monitoring system according to an embodiment of the present invention.
As shown in fig. 1, the system 10 includes a sensor 100, a detection switching device 200, a multi-channel detection meter 300, and a PLC control system 400:
a sensor 100 for acquiring a plurality of detection signals of a magnetic field;
the detection switching device 200 is configured to switch and transmit a first detection signal of the plurality of detection signals to the multichannel detection instrument 300 according to a preset first switching instruction;
the multi-channel detection instrument 300 is used for performing signal filtering of low-pass band-stop filtering on the first detection signal and outputting the filtered first detection signal;
and the PLC control system 400 is configured to receive the filtered first detection signal, and send a second switching instruction to the detection switching device to switch and transmit a second detection signal of the plurality of detection signals, so as to complete the signal detection in the current round.
Further, the sensor 100 may be a hall sensing probe.
Further, the detection switching device 200 may be disposed in the electric cabinet, and the detection switching device 200 includes a switching circuit.
Further, system 10, may include a database that may host a system,
after completing a round of signal detection, the PLC control system 400 packages and sends the corresponding detection signals to the master control system database, which is used for performing data analysis and storage on the corresponding detection signals.
Further, the preset first switching instruction includes a switching instruction issued by the PLC control system 400 according to a process requirement.
Specifically, as shown in fig. 2, as an example, hall detection probes are placed at field-individual magnetic field monitoring points preset according to process requirements, so as to realize real-time detection of data at each monitoring point. Firstly, each Hall detection probe is connected to a detection switching device in an electric cabinet through a long-distance special detection cable; then, the detection switching device switches and connects detection signals of all Hall detection probes to a multi-channel detection instrument according to a switching instruction prefabricated by a control system according to process requirements; then, the multi-channel detection instrument collects real-time detection data of the connected detection probes, and performs low-pass band-stop filtering to remove bad data; and finally, the multi-channel detection instrument sends the effective data to the PLC control system, the PLC control system collects and records the data, the data recording is completed, the PLC control system sends a switching instruction to the switching device, a detection loop is switched, and the next detection round is started until the detection round is completed. And after the control system finishes the detection, the complete detection data is packed and sent to a main control system database for data analysis and filing storage.
According to the superconducting magnet magnetic field real-time monitoring system provided by the embodiment of the invention, a new technology and new equipment for magnetic field measurement are effectively integrated and integrated, so that the real-time monitoring of the superconducting magnet magnetic field is realized, the traditional manual measurement is broken, the manpower is liberated, the manpower cost is effectively reduced, and an effective technical guarantee is provided for a new generation of controllable magnetic field magnets.
In order to implement the foregoing embodiment, as shown in fig. 3, a method for monitoring a magnetic field of a superconducting magnet in real time is further provided in this embodiment, where the method includes:
s1, acquiring a plurality of detection signals of a magnetic field;
s2, acquiring a first detection signal in the plurality of detection signals according to a preset first switching instruction;
s3, performing signal filtering of low-pass band-stop filtering on the first detection signal to obtain a filtered first detection signal;
and S4, obtaining a second detection signal in the plurality of detection signals based on the filtered first detection signal and the filtered second switching instruction so as to complete the signal detection of the current round.
Further, the method further comprises: and acquiring a plurality of detection signals of the magnetic field by using the Hall detection probe.
Further, the method further comprises: and switching and transmitting the detection signal by using the switching circuit.
Further, the method further comprises: and after one round of signal detection is finished, packaging and sending the corresponding detection signals to a main control system database, and performing data analysis and storage on the corresponding detection signals by using the main control system database.
Further, the preset first switching instruction comprises a switching instruction issued by the PLC control system according to the process requirement.
According to the method for monitoring the magnetic field of the superconducting magnet in real time, the novel technology and the novel equipment for measuring the magnetic field are effectively integrated and integrated, the real-time monitoring of the magnetic field of the superconducting magnet is realized, the traditional manual measurement is broken, the manpower is liberated, the manpower cost is effectively reduced, and effective technical support is provided for a new generation of controllable magnetic field magnets.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Claims (10)
1. A superconducting magnet magnetic field real-time monitoring system, comprising:
the sensor is used for acquiring a plurality of detection signals of the magnetic field;
the detection switching device is used for switching and transmitting a first detection signal in the plurality of detection signals to the multichannel detection instrument according to a preset first switching instruction;
the multichannel detection instrument is used for performing signal filtering of low-pass band-stop filtering on the first detection signal and outputting the filtered first detection signal;
and the PLC control system is used for receiving the filtered first detection signals and sending a second switching instruction to the detection switching device to switch and transmit a second detection signal in the plurality of detection signals so as to complete the signal detection of the current round.
2. The system of claim 1, wherein the sensor is a hall probe.
3. The system of claim 1, wherein the detection switching device is disposed in an electrical cabinet, and the detection switching device comprises a switching circuit.
4. The system of claim 1, further comprising a master control system database,
and after completing one round of signal detection, the PLC control system packs and sends corresponding detection signals to the main control system database, and the main control system database is used for carrying out data analysis and storage on the corresponding detection signals.
5. The system of claim 1, wherein the preset first switching instruction comprises a switching instruction issued by the PLC control system according to a process requirement.
6. A method for monitoring the magnetic field of a superconducting magnet in real time is characterized by comprising the following steps:
acquiring a plurality of detection signals of the magnetic field;
acquiring a first detection signal in the plurality of detection signals according to a preset first switching instruction;
performing signal filtering of low-pass band-stop filtering on the first detection signal to obtain a filtered first detection signal;
and obtaining a second detection signal in the plurality of detection signals based on the filtered first detection signal and the second switching instruction so as to complete the signal detection of the current round.
7. The method of claim 6, further comprising:
and acquiring a plurality of detection signals of the magnetic field by using the Hall detection probe.
8. The method of claim 6, further comprising:
and switching and transmitting the detection signal by using the switching circuit.
9. The method of claim 6, further comprising:
after one round of signal detection is finished, corresponding detection signals are packaged and sent to a main control system database, and the main control system database is used for carrying out data analysis and storage on the corresponding detection signals.
10. The method according to claim 6, wherein the preset first switching instruction comprises a switching instruction issued by a PLC control system according to a process requirement.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211480001.1A CN115542205A (en) | 2022-11-24 | 2022-11-24 | System and method for monitoring magnetic field of superconducting magnet in real time |
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| CN202211480001.1A CN115542205A (en) | 2022-11-24 | 2022-11-24 | System and method for monitoring magnetic field of superconducting magnet in real time |
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