CN114814958B - Receiving device and analysis system for earth polarization excimer radiation - Google Patents
Receiving device and analysis system for earth polarization excimer radiation Download PDFInfo
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- CN114814958B CN114814958B CN202210767798.7A CN202210767798A CN114814958B CN 114814958 B CN114814958 B CN 114814958B CN 202210767798 A CN202210767798 A CN 202210767798A CN 114814958 B CN114814958 B CN 114814958B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
- G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
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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
Abstract
The invention discloses a receiving device and an analysis system for earth polarized excimer radiation, which comprise a signal receiving module, wherein the signal receiving module comprises: a magnetic antenna for receiving earth polarised excimer radiation; a shield cover for shielding impurity signal, the magnetism antenna sets up inside the shield cover, the inside and outside both sides surface of shield cover all is provided with a plurality of first copper foil strips. Through all being provided with a plurality of first copper foil strips at the inside and outside both sides surface of shield cover for the capacitive coupling between shield cover and the coil reduces, thereby improves receiving antenna's effective height (antenna input sensitivity), suppresses the interference of signals such as various people, industry, thunderstorm, makes the efficiency and the degree of accuracy improvement of later stage analysis signal, thereby makes geological and mineral resources exploration, and the precision such as natural disasters prediction monitoring improves greatly.
Description
Technical Field
The invention relates to the technical field of electromagnetism, in particular to a receiving device and an analysis system for earth polarized excimer radiation.
Background
The earth polarization excimer radiation is natural pulse electromagnetic radiation generated by a geologic body under the internal stress strain state of the earth, receives the electromagnetic signal and analyzes the electromagnetic signal, can be applied to important fields of geological mineral resource exploration, natural disaster prediction and monitoring, engineering geological exploration and monitoring and the like, is a passive source electromagnetic geophysical prospecting technology with wide application range, flexible working method, low measurement cost, high efficiency and high maneuverability, can realize the geologic body detection and positioning from shallow depth to the depth of a core, and provides scientific research basis for deep space exploration and detection plans.
Currently, the known receiving antenna mainly receives electromagnetic signals for later analysis, but the existing receiving antenna receives more impurities, which greatly reduces the efficiency and accuracy of later analysis of the signals.
Disclosure of Invention
The invention aims to provide a receiving device and an analysis system for earth polarized excimer radiation, which aim to solve the problem of more signal impurities in the prior art.
The invention provides a receiving device for earth polarized excimer radiation, which comprises a signal receiving module, wherein the signal receiving module comprises:
a magnetic antenna for receiving earth polarised excimer radiation;
a shield cover for shielding impurity signal, the magnetism antenna sets up inside the shield cover, the inside and outside both sides surface of shield cover all is provided with a plurality of first copper foil strips.
Preferably, the shielding case is an insulating plate, and the plurality of first copper foil strips are respectively arranged on the inner side surface and the outer side surface of the insulating plate in parallel and uniformly.
Preferably, the copper foil strips positioned on the inner side surface and the outer side surface of the insulating plate are arranged in a staggered mode, and the central line of the first copper foil strip on the surface of any side of the insulating plate is flush with the central line of the gap between two adjacent first copper foil strips on the surface of the opposite side of the insulating plate.
Preferably, the width of the first copper foil strip on any side surface of the insulating plate is greater than or equal to the width of the gap between two adjacent first copper foil strips on the opposite side surface of the insulating plate.
Preferably, the shielding case is a hexahedron and comprises six insulating plates.
Furthermore, any side surface of each insulating plate is also provided with a second copper foil strip vertical to the first copper foil strip, the insulating plates are respectively and symmetrically arranged on two opposite sides of the second copper foil strip with a plurality of first copper foil strips on the surface of the same side, and the first copper foil strips are all connected with the second copper foil strips.
Preferably, the magnetic antenna is a ferrite rod wound with a copper wire, and the insulating plate is a glass fiber insulating plate.
Preferably, the signal receiving modules are provided with three groups, and the axes of the ferrite rods of the three groups of signal receiving modules are all arranged perpendicularly to each other and are respectively used for receiving the earth polariton radiation from an x plane, a y plane and a z plane.
The invention also provides an analysis system of the earth polarized excimer radiation, which comprises a signal processing device and the receiving device of the earth polarized excimer radiation, wherein the signal processing device is used for receiving and processing the transmitted earth polarized excimer radiation of the receiving device.
Compared with the prior art, the invention has the beneficial effects that: according to the receiving device and the analysis system for the earth polarization excimer radiation, the shielding cover is additionally arranged, and the first copper foil strips are arranged on the inner side surface and the outer side surface of the shielding cover, so that the capacitive coupling between the shielding cover and the coil is reduced, a large number of impurity signals can be shielded, the input sensitivity of a receiving antenna is improved, the interference of various signals such as man-made signals, industrial signals, thunderstorm signals and the like is inhibited, the efficiency and the accuracy of later-stage signal analysis are improved, and the accuracy of geological mineral resource exploration, natural disaster prediction monitoring and the like is greatly improved.
Drawings
Fig. 1 is a schematic view of an insulating plate of a shield of a receiving device for earth-polarized excimer radiation provided by an embodiment of the present invention;
fig. 2 is a longitudinal sectional view of an insulating plate of a shield case of a receiving apparatus for earth polarized excimer radiation provided by an embodiment of the present invention;
description of reference numerals:
1 first copper foil strip, 2 gaps, 3 second copper foil strips and 4 insulating plates.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.
Example one
As shown in fig. 1 and 2, the present invention provides a receiving device for earth polarized excimer radiation, comprising a signal receiving module, wherein the signal receiving module comprises:
a magnetic antenna for receiving earth polarised excimer radiation;
a shield cover for shielding impurity signal, the setting of magnetism antenna is in inside the shield cover, the inside and outside both sides surface of shield cover all is provided with a plurality of first copper foil strips 1.
Wherein, through the inside and outside both sides surface at the shield cover set up a plurality of first copper foil strips 1, the restriction is not done to the quantity of first copper foil strip 1, practice discovery, through addding the shield cover, can shield a large amount of impurity signal, and the setting of first copper foil strip 1, can make the capacitive coupling between shield cover and the magnetic antenna reduce, thereby improve receiving antenna's effective height (antenna input sensitivity), further restrain the interference of signals such as various artificial, industry, thunderstorm, make the signal of magnetic antenna more accurate, the operand of later stage analysis signal significantly reduces, make the efficiency and the degree of accuracy of later stage analysis signal improve, thereby make geological mineral resources exploration, precision such as natural disasters prediction monitoring improves greatly, practice significance is great.
As shown in fig. 1 and fig. 2, further, the shielding case adopts an insulating plate 4, and a plurality of first copper foil strips 1 are respectively and uniformly arranged on the inner and outer side surfaces of the insulating plate 4 in parallel.
The first copper foil strips 1 can be arranged on the inner side surface and the outer side surface of the insulating plate 4 in parallel and uniformly by an etching process, and the width of the first copper foil strips 1 is 1.5mm-4.5mm, so that a better impurity signal shielding effect can be achieved.
As shown in fig. 2, preferably, the first copper foil strips 1 on the inner and outer surfaces of the insulating plate 4 are staggered, and the center lines of the first copper foil strips 1 on any one surface of the insulating plate 4 are flush with the center lines of the gaps 2 between two adjacent first copper foil strips 1 on the opposite surface of the insulating plate 4.
In the embodiment, the insulating plate 4 is arranged in a staggered manner, so that as can be clearly seen from a longitudinal section view of the insulating plate 4, when viewed from top to bottom, the left surface of the insulating plate 4 is provided with one first copper foil strip 1, the right surface is provided with another first copper foil strip 1, then the left surface is provided with another first copper foil strip 1, and so on, the first copper foil strips 1 are arranged in a staggered manner; and from horizontal, the horizontal position of the first copper foil strip 1 on one side of the insulating plate 4 is located in the middle of the gap 2 between two adjacent first copper foil strips 1 on the opposite side, namely, the first copper foil strip 1 on one side of the insulating plate 4 is arranged in the middle, namely, the central line of the first copper foil strip 1 on one side of the insulating plate 4 is flush with the central line of the gap 2 between two adjacent first copper foil strips 1 on the opposite side, and the arrangement mode can reduce the capacitive coupling between the shielding case and the coil, and has better shielding effect of the impurity signals.
As shown in fig. 2, preferably, the width of the first copper foil strip 1 on any side surface of the insulating plate 4 is greater than or equal to the width of the gap 2 between two adjacent first copper foil strips 1 on the opposite side surfaces of the insulating plate 4;
in the embodiment, it is mainly described that the width of the first copper foil strip 1 on any side surface of the insulating plate 4 can be covered, and the gap 2 between two adjacent first copper foil strips 1 on the opposite side surface of the insulating plate 4, if the width of the first copper foil strip 1 on one side surface of the insulating plate 4 is set to 3mm, the width of the gap 2 between two adjacent first copper foil strips 1 on the other side surface is necessarily set to be less than or equal to 3mm, such a setting can implement transverse width covering.
Further, the shielding case is hexahedron, and includes six insulating boards 4, and the shielding case generally sets up to the cuboid.
The shielding cover can be in various shapes, and can cover the magnetic antenna, so that the purpose of shielding useless signals is achieved.
Further, as shown in fig. 1, a second copper foil strip 3 perpendicular to the first copper foil strip 1 is further disposed on a surface of any one side of each insulating plate 4, the plurality of first copper foil strips 1 on the same side surface of each insulating plate 4 are symmetrically located on two opposite sides of the second copper foil strip 3, and the plurality of first copper foil strips 1 are connected with the second copper foil strips 3.
Wherein, through practice discovery, the difference of the mode of setting of insulation board 4 is to whole shielding effect change, in this embodiment, through the research, add second copper foil strip 3 on the every side surface of insulation board 4, and second copper foil strip 3 sets up the position in the middle of a plurality of first copper foil strips 1, a plurality of first copper foil strips 1 then the symmetrical setting in the left and right sides relative both sides of second copper foil strip 3 respectively, it all with to guarantee first copper foil strip 1 second copper foil strip 3 is connected and is switched on, and first copper foil strip 1 is perpendicular with second copper foil strip 3, first copper foil strip 1 level promptly, second copper foil strip 3 is vertical setting then, so set up, further make the capacitive coupling between shield cover and the coil reduce, impurity signal's shielding effect is more accurate.
Preferably, the magnetic antenna is a ferrite rod wound with copper wires, the insulating plate 4 is a glass fiber insulating plate, and the copper wires are copper wires with a diameter of 0.1 mm.
The magnetic antenna and the insulating board 4 can be realized in various ways, and the ferrite rod and the glass fiber insulating board 4 are adopted in the embodiment, so that the magnetic antenna and the glass fiber insulating board are convenient to manufacture in practice and low in cost.
Furthermore, the signal receiving modules are provided with three groups, and the axes of the ferrite rods of the three groups of signal receiving modules are all perpendicular to each other and are respectively used for receiving earth polarization excimer radiation from an x plane, a y plane and a z plane.
In the same way, three groups of signal receiving modules are arranged, and the axes of the ferrite rods are all arranged in an orthogonal mode, so that earth polariton radiation signals of three planes which are orthogonal to each other can be received, and radiation sources and three-dimensional contours of a geologic body, a geologic structure and the earth dynamics process can be determined; the output ends of the three groups of signal receiving modules can be connected with a preposed differential operational amplifier, a signal filter, an operational controller and the like to perform functions of signal amplification, signal filtration and the like for subsequent further analysis, a coordinate acquisition device can be arranged to match acquired coordinates with received earth polarization excimer radiation signals, and structures such as a signal transmission device and a memory can be arranged to realize functions of uninterrupted transmission backup and instant storage of signals.
Example two
The embodiment of the present application further provides a complete analysis system for terrestrial polarized excimer radiation, which includes a signal processing device and the receiving device for terrestrial polarized excimer radiation (which is not described herein again), where the signal processing device is configured to receive and process terrestrial polarized excimer radiation transmitted by the receiving device, specifically, in this embodiment, the receiving device for terrestrial polarized excimer radiation can transmit signals from an x plane, a y plane, and a z plane to the signal processing device for processing after receiving the signals by three sets of signal receiving modules, and the specific processing can be flexibly set according to actual requirements, for example, the signal processing device is configured with a differential operational amplifier, a signal filter, and an operational controller, etc. to perform functions such as amplification and filtering of signals, for further subsequent analysis, and can also be configured with a coordinate acquisition device, the collected coordinates are matched with the received geodetic polarization excimer radiation signals, and structures such as a signal transmission device and a storage can be arranged, so that the functions of uninterrupted signal transmission, backup and instant storage are realized, the result with high accuracy is obtained, and the exploration of resources such as geological minerals is realized.
The construction, features and functions of the present invention are described in detail in the embodiments illustrated in the drawings, which are only preferred embodiments of the present invention, but the present invention is not limited by the drawings, and all equivalent embodiments modified or changed according to the idea of the present invention should fall within the protection scope of the present invention without departing from the spirit of the present invention covered by the description and the drawings.
Claims (6)
1. A receiving device for earth polarized excimer radiation, comprising a signal receiving module, said signal receiving module comprising:
a magnetic antenna for receiving earth polariton radiation;
the shielding cover is used for shielding impurity signals, the magnetic antenna is arranged inside the shielding cover, and a plurality of first copper foil strips are arranged on the inner side surface and the outer side surface of the shielding cover;
the shield cover is the insulation board, and a plurality of first copper foil strips are parallel respectively and even setting is in both sides surface inside and outside the insulation board, the crisscross setting of first copper foil strip that is located the inside and outside both sides surface of insulation board, and the central line of the first copper foil strip on arbitrary side surface of insulation board, with the central line parallel and level in the clearance of two adjacent first copper foil strips on the opposite side surface of insulation board, arbitrary one side of insulation board still is provided with on the surface with first copper foil strip vertically second copper foil strip, the insulation board with the relative both sides that are located the second copper foil strip of a plurality of first copper foil strips on the surface symmetry respectively, a plurality of first copper foil strips all with the second copper foil strip is connected.
2. The device for receiving geopolarised radiation according to claim 1, characterized in that the width of the first copper foil strips on either side of the insulating plate is greater than or equal to the width of the gap between two adjacent first copper foil strips on the opposite side surfaces of the insulating plate.
3. The receiving device of geodetic polarized radiation according to claim 2, characterized in that said shielding cage is hexahedral and comprises six insulating plates.
4. Reception apparatus for geodetic polarized radiation according to any of claims 1 to 3, characterized in that said magnetic antenna is a ferrite rod wound with copper wires and said insulating plates are glass fibre insulating plates.
5. The receiving device of earth-polarized excimer radiation of claim 4, wherein the signal receiving modules are provided in three groups, and axes of ferrite rods of the three groups of signal receiving modules are all arranged perpendicular to each other and are respectively used for receiving earth-polarized excimer radiation from an x plane, a y plane and a z plane.
6. An analysis system for earth-polarized excimer radiation, comprising signal processing means and receiving means for earth-polarized excimer radiation as claimed in any one of claims 1 to 5, said signal processing means being adapted to receive and process earth-polarized excimer radiation transmitted by said receiving means.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210767798.7A CN114814958B (en) | 2022-07-01 | 2022-07-01 | Receiving device and analysis system for earth polarization excimer radiation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210767798.7A CN114814958B (en) | 2022-07-01 | 2022-07-01 | Receiving device and analysis system for earth polarization excimer radiation |
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| CN114814958B true CN114814958B (en) | 2022-09-23 |
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| CN114814965B (en) * | 2022-07-01 | 2022-09-27 | 河北帝斯杰奥科技有限公司 | Method and device for measuring earth polarization excimer radiation |
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| US5592087A (en) * | 1995-01-27 | 1997-01-07 | Picker International, Inc. | Low eddy current radio frequency shield for magnetic resonance imaging |
| EP2482087A1 (en) * | 2011-01-28 | 2012-08-01 | Mitsubishi Aircraft Corporation | Lightning current detection sensor |
| EP3096331A1 (en) * | 2015-05-20 | 2016-11-23 | Delphi Technologies, Inc. | Shielded cable assembly |
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