CN114019428A - GIL shell magnetic field measuring device - Google Patents
GIL shell magnetic field measuring device Download PDFInfo
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- CN114019428A CN114019428A CN202111319841.5A CN202111319841A CN114019428A CN 114019428 A CN114019428 A CN 114019428A CN 202111319841 A CN202111319841 A CN 202111319841A CN 114019428 A CN114019428 A CN 114019428A
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- 238000005259 measurement Methods 0.000 claims description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 4
- 238000013461 design Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Measuring Magnetic Variables (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The invention discloses a GIL shell magnetic field measuring device, wherein in the GIL shell magnetic field measuring device, a support ring is circumferentially sleeved on a GIL shell and is concentrically arranged with the GIL shell, a movable carrier is movably arranged along the axial direction of the GIL shell, the support ring is fixed on the movable carrier through a support rod, a plurality of magnetic field sensors are uniformly distributed on the support ring and point to the center of the GIL shell, and after the movable carrier moves for a preset distance along the axial direction of the GIL shell, the plurality of magnetic field sensors respectively acquire magnetic field data of the GIL shell in the direction opposite to the GIL shell.
Description
Technical Field
The invention relates to the technical field of GIL mechanical faults, in particular to a GIL shell magnetic field measuring device.
Background
Gas-insulated metal-enclosed transmission line (GIL) has the advantages of large transmission capacity, flexible arrangement, small mutual influence with the environment and the like, and is widely applied to power transmission occasions with severe meteorological environments or restricted corridor selection. Before the GIL is put into operation, the magnetic field measurement needs to be carried out on the space of the pipe gallery, particularly the area near the surface of the shell of the GIL, and whether the design range is met or not is checked, so that the reliable work of monitoring and communication equipment in the pipe gallery and the life health and safety of workers are guaranteed.
At present, a mode of manually carrying a magnetic field measuring device is adopted to carry out fixed-point measurement or rail car single-line measurement, so that the large labor cost is consumed, the measuring efficiency is low, the three-dimensional information of the distribution of the external magnetic field of the GIL pipeline cannot be obtained, and the GIL electromagnetic compatibility design is difficult to guide.
The above information disclosed in this background section is only for enhancement of understanding of the background of the invention and therefore it may contain information that does not form the prior art that is well known to those of ordinary skill in the art.
Disclosure of Invention
The invention aims to provide a GIL shell magnetic field measuring device to solve the defects.
In order to achieve the above purpose, the invention provides the following technical scheme:
the invention relates to a GIL shell magnetic field measuring device, which comprises,
a support ring circumferentially sleeved on the GIL shell and concentrically arranged with the GIL shell,
a movable carrier movably arranged along the GIL housing axial direction, the support ring being fixed to the movable carrier via a support rod,
the magnetic field sensors are uniformly distributed on the supporting ring and point to the circle center of the GIL shell, and after the movable carrier moves for a preset distance along the axial direction of the GIL shell, the magnetic field sensors respectively collect the magnetic field data of the GIL shell in the direction opposite to the GIL shell.
In the GIL housing magnetic field measuring device, the GIL housing magnetic field measuring device further includes a processing module connected to the plurality of magnetic field sensors, which generates a three-dimensional magnetic field distribution at a surface of the GIL housing based on the magnetic field data.
In the GIL case magnetic field measuring device, each position on the support ring is radially spaced from the GIL case by a predetermined dimension.
In the GIL case magnetic field measuring device, the predetermined dimension is 10 cm.
In the GIL case magnetic field measuring device, the predetermined distance is 1 meter.
In the GIL case magnetic field measuring device, the plurality of magnetic field sensors are eight magnetic field sensors arranged at eight equal-dividing points of the support ring.
In the GIL case magnetic field measuring device, the magnetic field data includes a magnetic field strength.
In the GIL case magnetic field measuring device, the magnetic field sensor comprises a digital gauss meter with a precision of 0.1 Gs.
In the GIL shell magnetic field measuring device, the support ring is a stainless steel ring.
In the GIL shell magnetic field measuring device, the supporting rod is a stainless steel rod.
In the GIL shell magnetic field measuring device, the movable carrier is an unmanned vehicle.
In the technical scheme, the GIL shell magnetic field measuring device provided by the invention has the following beneficial effects: the GIL shell magnetic field measuring device can acquire three-dimensional magnetic field distribution information on the surface of the GIL shell, further can construct a shell magnetic field distribution database along the GIL pipeline, and provides reference for electromagnetic compatibility design. Simultaneously, effectively reduced the human cost, promoted measurement work efficiency and intelligent degree.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic structural diagram of one embodiment of a GIL housing magnetic field measurement device;
FIG. 2 is a schematic diagram of a magnetic field sensor probe arrangement for one embodiment of a GIL housing magnetic field measurement device.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be described in detail and completely with reference to fig. 1 to 2 of the drawings of the embodiments of the present invention, and it is apparent that the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
In one embodiment, as shown in fig. 1, the GIL housing magnetic field measuring device comprises,
a support ring 3 circumferentially fitted on the GIL housing 1 and concentrically arranged with the GIL housing 1,
a movable carrier 5 movably arranged along the GIL housing 1 axial direction, the support ring 3 being fixed to the movable carrier 5 via a support rod 4,
the magnetic field sensors 2 are uniformly distributed on the support ring 3, the magnetic field sensors 2 point to the center of the GIL shell 1, and after the movable carrier 5 moves for a preset distance along the axial direction of the GIL shell 1, the magnetic field sensors 2 respectively acquire the magnetic field data of the GIL shell 1 in the direction opposite to the GIL shell 1.
The sensing probe 6 inside the magnetic field sensor 2 points to the center of the GIL housing 1.
In a preferred embodiment of the GIL housing magnetic field measuring device, the GIL housing magnetic field measuring device further comprises a processing module connected to the plurality of magnetic field sensors 2, which generates a three-dimensional magnetic field distribution at the surface of the GIL housing 1 based on the magnetic field data.
In the preferred embodiment of the GIL housing magnetic field measuring device, the GIL housing 1 has a diameter of 49.6 cm. In the preferred embodiment of the GIL housing magnetic field measuring device, each position on the support ring 3 is radially spaced from the GIL housing 1 by a predetermined dimension, and the diameter of the support ring 3 is 69.6 cm.
In a preferred embodiment of the GIL housing magnetic field measuring device, the predetermined dimension is 10 cm.
In a preferred embodiment of the GIL housing magnetic field measuring device, the predetermined distance is 1 meter.
In the preferred embodiment of the GIL case magnetic field measuring device, the plurality of magnetic field sensors 2 are eight magnetic field sensors 2 arranged at eight equal divisions of the support ring 3, and the distance between adjacent magnetic field sensors 2 is 27.3 cm.
In a preferred embodiment of the GIL housing magnetic field measuring device, the magnetic field data comprises magnetic field strength.
In a preferred embodiment of the GIL housing magnetic field measuring device described above, the magnetic field sensor 2 comprises a digital gauss meter with an accuracy of 0.1 Gs.
In the preferred embodiment of the GIL case magnetic field measuring device, the support ring 3 is a stainless steel ring.
In the preferred embodiment of the GIL case magnetic field measuring device, the support rod 4 is a stainless steel rod with a diameter of 1cm and a height of 20 cm.
In the preferred embodiment of the GIL housing magnetic field measuring device, the movable carrier 5 is an unmanned vehicle.
In one embodiment, the processing module comprises a navigation module connected to the movable carrier 5, which generates a three-dimensional magnetic field distribution based on the position coordinates.
In one embodiment, the GIL housing magnetic field measuring device comprises: GIL shell 1, magnetic field sensor 2, support ring 3, bracing piece 4, unmanned car. The magnetic field sensor 2 is arranged at the eighth-equally-divided point of the support ring 3, the support ring 3 and the GIL shell 1 are concentrically arranged, the vertical distance between any point and the surface of the GIL shell 1 is 10cm, the magnetic field sensor 2 points to the circle center of the GIL shell 1, and the support ring 3 is connected with the unmanned vehicle through the support rod 4. The GIL shell 1 is an engineering actual GIL pipeline shell. The magnetic field sensors 2 are high-precision digital gaussmeters with the precision of 0.1Gs, and the eight magnetic field sensors 2 are respectively arranged at the eight equal division points of the support ring 3. The support ring 3 is a stainless steel ring.
In one embodiment, the support rod 4 is a stainless steel rod.
In one embodiment, the unmanned vehicle is an advanced unmanned vehicle equipped with a navigation module and an ECU.
And arranging lines according to the GIL pipelines, and leading the unmanned vehicles such as the intelligent unmanned vehicles into a driving route. And stopping the intelligent unmanned vehicle to move forward every 1 m, and performing magnetic field measurement. The eight magnetic field sensors 2 measure the magnetic field intensity of the GIL shell 1 in eight directions respectively, and the measured field intensity value is recorded. The intelligent unmanned vehicle continues to advance along the preset route, and the next round of magnetic field measurement is carried out.
The invention can obtain the three-dimensional magnetic field distribution information on the surface of the GIL shell 1, further can construct a shell magnetic field distribution database along the GIL pipeline and provides reference for electromagnetic compatibility design. Simultaneously, effectively reduced the human cost, promoted measurement work efficiency and intelligent degree.
Industrial applicability
The GIL shell magnetic field measuring device can be used for measuring the GIL magnetic field.
Finally, it should be noted that: the embodiments described are only a part of the embodiments of the present application, and not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments in the present application belong to the protection scope of the present application.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (10)
1. A GIL shell magnetic field measuring device is characterized by comprising,
a support ring circumferentially sleeved on the GIL shell and concentrically arranged with the GIL shell,
a movable carrier movably arranged along the GIL housing axial direction, the support ring being fixed to the movable carrier via a support rod,
the magnetic field sensors are uniformly distributed on the supporting ring and point to the circle center of the GIL shell, and after the movable carrier moves for a preset distance along the axial direction of the GIL shell, the magnetic field sensors respectively collect the magnetic field data of the GIL shell in the direction opposite to the GIL shell.
2. The GIL housing magnetic field measuring device of claim 1, preferably further comprising a processing module connected to the plurality of magnetic field sensors, which generates a three-dimensional magnetic field distribution at the surface of the GIL housing based on the magnetic field data.
3. The GIL housing magnetic field measuring device of claim 1, wherein each location on the support ring is radially spaced from the GIL housing by a predetermined dimension.
4. A GIL housing magnetic field measuring device as claimed in claim 3 wherein the predetermined dimension is 10 cm.
5. The GIL housing magnetic field measuring device of claim 1, wherein the predetermined distance is 1 meter.
6. The GIL housing magnetic field measuring device of claim 1, wherein the plurality of magnetic field sensors are eight magnetic field sensors disposed at eight equal divisions of the support ring.
7. The GIL housing magnetic field measurement device of claim 1, wherein the magnetic field data comprises magnetic field strength.
8. A GIL housing magnetic field measuring device as claimed in claim 1, wherein the magnetic field sensor comprises a digital gauss meter with an accuracy of 0.1 Gs.
9. The GIL shell magnetic field measuring device as claimed in claim 1, wherein the support ring is a stainless steel ring.
10. The GIL housing magnetic field measuring device of claim 1 wherein the movable carrier is an unmanned vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111319841.5A CN114019428B (en) | 2021-11-09 | 2021-11-09 | GIL (gas insulated switchgear) shell magnetic field measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111319841.5A CN114019428B (en) | 2021-11-09 | 2021-11-09 | GIL (gas insulated switchgear) shell magnetic field measuring device |
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| Publication Number | Publication Date |
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| CN114019428A true CN114019428A (en) | 2022-02-08 |
| CN114019428B CN114019428B (en) | 2023-05-23 |
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| CN202111319841.5A Active CN114019428B (en) | 2021-11-09 | 2021-11-09 | GIL (gas insulated switchgear) shell magnetic field measuring device |
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Cited By (1)
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|---|---|---|---|---|
| CN115809521A (en) * | 2022-11-21 | 2023-03-17 | 深圳供电局有限公司 | GIL inner and outer diameter size optimization design method and system |
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