CN114823045B - Magnetic shielding room demagnetizing coil system and preparation method thereof - Google Patents
Magnetic shielding room demagnetizing coil system and preparation method thereof Download PDFInfo
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- CN114823045B CN114823045B CN202210462450.7A CN202210462450A CN114823045B CN 114823045 B CN114823045 B CN 114823045B CN 202210462450 A CN202210462450 A CN 202210462450A CN 114823045 B CN114823045 B CN 114823045B
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- 238000011900 installation process Methods 0.000 abstract description 3
- 238000004804 winding Methods 0.000 description 10
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- H—ELECTRICITY
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- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
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- H01F13/006—Methods and devices for demagnetising of magnetic bodies, e.g. workpieces, sheet material
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Abstract
The invention relates to a magnetic shielding room degaussing coil system and a preparation method thereof, the magnetic shielding room degaussing coil system comprises a system body, the system body comprises four groups of degaussing coils arranged on a magnetic shielding room, the magnetic shielding room is of a cube structure, each group of degaussing coils are made of one degaussing cable, the degaussing cable passes through the magnetic shielding room and enters the inner wall surface of the magnetic shielding room to form an internal wiring, the degaussing cable passes out of the magnetic shielding room after forming the internal wiring and is positioned on the outer wall surface of the magnetic shielding room to form an external wiring, the internal wiring is arranged along the edge of the magnetic shielding room, the external wiring is arranged along the edge of the magnetic shielding room and corresponds to the internal wiring, the degaussing efficiency of the degaussing coil system is high, the number of the degaussing coils used is small, and compared with the distributed degaussing coil system, the structure of the degaussing coil system provided by the invention has the advantages of simple structure, complexity reduction, and the degaussing coils are simple and convenient in the installation process.
Description
Technical Field
The invention relates to the technical field of demagnetization, in particular to a magnetic shielding room demagnetizing coil system and a preparation method thereof.
Background
The magnetic shielding chamber adopts high magnetic conductivity and high conductivity materials, realizes shielding of magnetic field signals by utilizing magnetic flux diversion and eddy current effect, and is important equipment for obtaining a zero magnetic space and developing extremely weak magnetic science and zero magnetic medical research.
The high permeability material has certain stress in the processing engineering, so that a residual magnetic field exists in the material, and the magnetic field shielding performance of the magnetic shielding chamber is severely limited. And the method for solving the problem is to demagnetize the material with high magnetic permeability arranged in the magnetic shielding chamber, so as to eliminate the residual magnetic field in the material. The current magnetic shielding room demagnetizing is realized by arranging a demagnetizing coil with a certain shape inside and outside a high magnetic permeability material and passing demagnetizing current with gradually attenuated amplitude into the demagnetizing coil. Commonly used degaussing coil structures are I-type, L-type, distributed etc. The I type and the L type have fewer demagnetizing coils, the coil is simple and convenient to install and wind, but the demagnetizing efficiency is lower; the distributed demagnetizing adopts more demagnetizing coils uniformly distributed on each surface of the magnetic shielding chamber, so that higher demagnetizing efficiency can be obtained, but the coil structure is complex and the installation is more difficult. How to use a smaller number of demagnetizing coils to improve the demagnetizing efficiency and reduce the winding and mounting difficulties becomes one of the main technical problems in developing a demagnetizing system of a magnetic shielding room.
The technical scheme of the invention is that the demagnetizing coils which are less than the distributed demagnetizing coils are utilized to be connected into a demagnetizing system with continuous magnetic flux according to the zigzag arrangement, so that the winding and installation complexity of the demagnetizing coils is reduced, and the demagnetizing efficiency equivalent to that of the distributed demagnetizing system is obtained. The method of the invention greatly simplifies the design and manufacturing flow of the magnetic shielding room demagnetizing coil system.
Disclosure of Invention
The invention aims to solve the technical problems of providing a demagnetizing coil system of a magnetic shielding room, which has the advantages of small use quantity of demagnetizing coils, high demagnetizing efficiency, simple coil winding structure and simple and convenient installation and a preparation method thereof.
The technical scheme adopted by the invention is that the demagnetizing coil system of the magnetic shielding room comprises a system body, wherein the system body comprises four groups of demagnetizing coils which are arranged on the magnetic shielding room, the magnetic shielding room is of a cube structure, each group of demagnetizing coils is made of one demagnetizing cable, the demagnetizing cable passes through the magnetic shielding room and enters the inner wall surface of the magnetic shielding room to form an internal wire, the demagnetizing cable passes through the magnetic shielding room after forming the internal wire and is positioned on the outer wall surface of the magnetic shielding room to form an external wire, the internal wire is arranged along the edge of the magnetic shielding room, the external wire is arranged along the edge of the magnetic shielding room and corresponds to the internal wire, the internal wire comprises an initial wire, a first transitional wire, a second transitional wire and a third transitional wire which are mutually perpendicular to each other, the external wire comprises a fourth transitional wire, a fifth transitional wire, a sixth transitional wire and a termination wire which are mutually perpendicular to each other, one end of the first transitional wire is connected with one end of the initial wire, the other end of the first transitional wire is connected with one end of the magnetic shielding room, the other end of the first transitional wire is connected with the other end of the first transitional wire, the other end of the first transitional wire is connected with the other end of the fourth transitional wire, the other end of the first transitional wire is connected with the other end of the first transitional wire, and the other end of the first transitional wire is connected with the other end of the first transitional wire.
The beneficial effects of the invention are as follows: the demagnetizing efficiency of the demagnetizing coil system is higher than that of an I-shaped demagnetizing coil system and an L-shaped demagnetizing coil system in the prior art by adopting the magnetic shielding room demagnetizing coil system with the structure, the demagnetizing efficiency of the demagnetizing coil system can be equivalent to that of a distributed demagnetizing coil system by only using four groups of demagnetizing coils, the quantity of the demagnetizing coils is small, and the demagnetizing coil system has the advantages that the structure is simpler than that of the distributed demagnetizing coil system, the complexity is reduced, and the demagnetizing coils are simple and convenient in the installation process, high-efficiency and convenience.
Preferably, the initial trace, the first transition trace, the second transition trace, the third transition trace, the fourth transition trace, the fifth transition trace, the sixth transition trace and the termination trace are integrated into one piece, and by adopting the structure, a group of degaussing coils is wound by one cable, and the degaussing coil system totally comprises four groups of degaussing coils, then the degaussing coil system is obtained by winding four cables.
Preferably, each group of degaussing coils comprises a first wiring hole and a second wiring hole, the first wiring hole and the second wiring hole are respectively located near two edges of the magnetic shielding chamber, the first wiring hole is used for a degaussing cable to pass through the magnetic shielding chamber and enter the inner wall surface of the magnetic shielding chamber to form an internal wiring, the second wiring hole is used for a degaussing cable forming the internal wiring to pass through the magnetic shielding chamber and be located on the outer wall surface of the magnetic shielding chamber to form an external wiring, by adopting the structure, one degaussing cable is taken, enters the magnetic shielding chamber from the first wiring hole to form an initial wiring, a first transition wiring, a second transition wiring and a third transition wiring, and then passes through the second wiring hole to pass through the magnetic shielding chamber to form a fourth transition wiring, a fifth transition wiring, a sixth transition wiring and a termination wiring.
A method of manufacturing a magnetic shielding room degaussing coil system, the method comprising the steps of:
(1) Taking one degaussing cable as a first degaussing cable, adopting the first degaussing cable to manufacture a first group of degaussing coils, enabling the first degaussing cable to pass through a magnetic shielding chamber from a first wiring hole near a first edge angle of the magnetic shielding chamber to enter the inner wall surface of the magnetic shielding chamber, forming an initial wiring, a first transition wiring, a second transition wiring and a third transition wiring of the first degaussing cable along edges of the magnetic shielding chamber, which are mutually perpendicular, enabling the degaussing cable to be exposed on the outer wall surface of the magnetic shielding chamber through a corresponding second wiring hole after forming the third transition wiring, and forming a fourth transition wiring, a fifth transition wiring, a sixth transition wiring and a termination wiring of the first degaussing cable along the edges of the magnetic shielding chamber, wherein the third transition wiring of the first degaussing cable corresponds to the fourth transition wiring, the fifth transition wiring corresponds to the second transition wiring, the sixth transition wiring corresponds to the first transition wiring and the initial wiring corresponds to the termination wiring;
(2) Taking a degaussing cable as a second degaussing cable, adopting the second degaussing cable to manufacture a second group of degaussing coils, enabling the second degaussing cable to penetrate through a magnetic shielding chamber from a first wiring hole near a second corner of the magnetic shielding chamber to enter the inner wall surface of the magnetic shielding chamber, enabling the first wiring hole near the second corner to be on the same plane as the first wiring hole near the first corner in the step (1), enabling the second degaussing cable to form an initial wiring, a first transition wiring, a second transition wiring and a third transition wiring of the second degaussing cable along edges of the magnetic shielding chamber which are perpendicular to each other, enabling the second degaussing cable to pass through a corresponding second wiring hole to be exposed on the outer wall surface of the magnetic shielding chamber, enabling a fourth transition wiring, a fifth transition wiring, a sixth transition wiring and a termination wiring of the second degaussing cable to be formed along edges of the magnetic shielding chamber which are perpendicular to each other, and enabling the second degaussing cable to correspond to the fourth transition wiring, the fifth transition wiring and the sixth transition wiring to correspond to the first transition wiring and the sixth transition wiring;
(3) Taking a degaussing cable as a third degaussing cable, adopting the third degaussing cable to manufacture a third group of degaussing coils, enabling the third degaussing cable to penetrate through the magnetic shielding chamber from a first wiring hole near a third corner of the magnetic shielding chamber to enter the inner wall surface of the magnetic shielding chamber, enabling the first wiring hole near the third corner to be on the same plane as the first wiring hole near the second corner in the step (2), enabling the third degaussing cable to form an initial wiring, a first transition wiring, a second transition wiring and a third transition wiring of the third degaussing cable along edges of the magnetic shielding chamber which are perpendicular to each other, enabling the third degaussing cable to pass through a corresponding second wiring hole of the magnetic shielding chamber to be exposed on the outer wall surface of the magnetic shielding chamber, enabling a fourth transition wiring, a fifth transition wiring, a sixth transition wiring and a termination wiring of the third degaussing cable to be formed along edges of the magnetic shielding chamber which are perpendicular to each other, and enabling the third transition wiring, the fourth transition wiring, the fifth transition wiring, the sixth transition wiring and the termination wiring of the third degaussing cable to correspond to the first transition wiring, the third transition wiring and the fifth transition wiring to the first transition wiring;
(4) And (3) taking one degaussing cable as a fourth degaussing cable, adopting the fourth degaussing cable to manufacture a fourth group of degaussing coils, enabling the fourth degaussing cable to penetrate through the magnetic shielding chamber from a first wiring hole near a fourth corner of the magnetic shielding chamber to enter the inner wall surface of the magnetic shielding chamber, enabling the first wiring hole near the fourth corner to be on the same plane as the first wiring hole near the third corner in the step (3), enabling the fourth degaussing cable to form an initial wiring, a first transition wiring, a second transition wiring and a third transition wiring of the fourth degaussing cable along edges of the magnetic shielding chamber, enabling the fourth degaussing cable to pass through a corresponding second wiring hole, enabling the fourth transition wiring, a fifth transition wiring, a sixth transition wiring and a termination wiring of the fourth degaussing cable to be formed along edges of the magnetic shielding chamber, and enabling the fourth transition wiring, the fifth transition wiring, the sixth transition wiring and the third transition wiring of the fourth degaussing cable to correspond to the first transition wiring, the fifth transition wiring and the sixth transition wiring to the initial wiring.
The magnetic shielding room degaussing coil system manufactured by the manufacturing method is simple and convenient to wind, low in winding complexity, efficient and convenient, the magnetic shielding room degaussing coil system with high degaussing efficiency can be obtained by winding four degaussing cables, and the manufacturing flow is simplified.
Drawings
Fig. 1 is a schematic diagram of a magnetic shield room demagnetizing coil system according to the present invention;
FIG. 2 is a schematic diagram showing a structure of a set of degaussing coils in a magnetic shielding room degaussing coil system according to the present invention;
FIG. 3 is a diagram of simulation results obtained by finite element simulation experiments of a magnetic shielding room demagnetizing coil system according to the present invention;
as shown in the figure: 1. a magnetic shielding chamber; 2. initial wiring; 3. a first transition trace; 4. a second transition trace; 5. a third transition trace; 6. a fourth transition trace; 7. a fifth transition trace; 8. a sixth transition trace; 9. terminating the wiring; 10. a first wiring hole; 11. a second wiring hole; 12. a first set of degaussing coils; 13. a second set of degaussing coils; 14. a third set of degaussing coils; 15. and a fourth set of degaussing coils.
Detailed Description
The invention is further described below with reference to the accompanying drawings in combination with specific embodiments to enable one skilled in the art to practice the invention by reference to the specification, the scope of the invention being limited to the specific embodiments.
It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore the above terms should not be construed as limiting the present invention.
Aiming at the contradiction between the manufacturing complexity and the demagnetizing efficiency of the magnetic shielding room demagnetizing coil in the prior art, the embodiment of the invention provides a brand new magnetic shielding room demagnetizing coil system, which is characterized in that a certain number of demagnetizing coil wiring holes are formed on the opposite surfaces of the magnetic shielding room 1, demagnetizing coils are wound inside and outside the magnetic shielding room 1 by utilizing demagnetizing cables according to the edge directions of the magnetic shielding room 1 which are mutually perpendicular and connected end to end, and a plurality of groups of demagnetizing coils are mutually connected in series according to a magnetic flux continuous principle to form an integral demagnetizing coil system.
The embodiment of the invention provides a demagnetizing coil system of a magnetic shielding room, which comprises a system body, as shown in fig. 1, wherein the system body comprises four groups of demagnetizing coils, namely a first group of demagnetizing coils 12, a second group of demagnetizing coils 13, a third group of demagnetizing coils 14 and a fourth group of demagnetizing coils 15, which are arranged on the magnetic shielding room 1, the magnetic shielding room 1 is of a cube structure, namely the magnetic shielding room 1 comprises eight edges, twelve edges and six faces, each group of demagnetizing coils is made of one demagnetizing cable, as shown in fig. 2, the demagnetizing cable passes through the magnetic shielding room 1 and enters the inner wall surface of the magnetic shielding room 1 to form an inner wiring, in fig. 2, the inner wiring is represented by a dotted line, the demagnetizing cable passes out of the magnetic shielding room 1 and is located on the outer wall surface of the magnetic shielding room 1 to form an outer wiring, in fig. 2, the outer wiring is represented by a solid line, the internal wires are arranged along the edges of the magnetic shielding chamber 1, the external wires are in one-to-one correspondence with the internal wires, the internal wires comprise initial wires 2, first transition wires 3, second transition wires 4 and third transition wires 5 which are mutually perpendicular to each other, the external wires comprise fourth transition wires 6, fifth transition wires 7, sixth transition wires 8 and termination wires 9 which are mutually perpendicular to each other, one end of the first transition wires 3 is connected with one end of the initial wires 2, the other end of the first transition wires 3 is connected with one end of the second transition wires 4, one end of the third transition wires 5 is connected with the other end of the second wires, the other end of the third transition wires 5 passes through the magnetic shielding chamber 1 and is connected with one end of the fourth transition wires 6, one end of the fifth wires is connected with the other end of the fourth transition wires 6, the other end of the fifth wire is connected with one end of the sixth wire, the other end of the sixth wire is connected with one end of the termination wire 9, and the initial wires 2 of the four groups of demagnetizing coils are respectively arranged along four edges of the same wall surface inside the magnetic shielding chamber 1, namely, the initial wires 2 of the four groups of demagnetizing coils in fig. 1 are respectively correspondingly positioned near the four edges on the bottom surface inside the magnetic shielding chamber 1.
The demagnetizing efficiency of the demagnetizing coil system is higher than that of an I-shaped demagnetizing coil system and an L-shaped demagnetizing coil system in the prior art by adopting the magnetic shielding room demagnetizing coil system with the structure, the demagnetizing efficiency of the demagnetizing coil system can be equivalent to that of a distributed demagnetizing coil system by only using four groups of demagnetizing coils, the quantity of the demagnetizing coils is small, and the demagnetizing coil system has the advantages that the structure is simpler than that of the distributed demagnetizing coil system, the complexity is reduced, and the demagnetizing coils are simple and convenient in the installation process, high-efficiency and convenience.
As shown in fig. 2, the initial trace 2, the first transition trace 3, the second transition trace 4, the third transition trace 5, the fourth transition trace 6, the fifth transition trace 7, the sixth transition trace 8 and the final trace 9 are integrally formed, that is, one set of degaussing coils is wound by one cable, and the degaussing coil system includes four sets of degaussing coils in total, so that the degaussing coil system is obtained by winding four cables.
As shown in fig. 2, each set of degaussing coils includes a first wire hole 10 and a second wire hole 11, the first wire hole 10 and the second wire hole 11 are respectively located near two edges of the magnetic shielding chamber 1, the first wire hole 10 and the second wire hole 11 are close to the edges of the magnetic shielding chamber 1, and the degaussing cables can pass through the first wire hole and the second wire hole, so that the influence of the wire holes of the degaussing coils on the performance of the magnetic shielding chamber 1 is avoided; the first wire holes 10 and the second wire holes 11 are respectively positioned on two mutually parallel surfaces of the magnetic shielding chamber 1, the magnetic shielding chamber degaussing coil system is provided with four groups of degaussing coils in total, then the number of the first wire holes 10 is four, the number of the second wire holes 11 is four, the first wire holes 10 are used for allowing degaussing cables to pass through the magnetic shielding chamber 1 and enter the inner wall surface of the magnetic shielding chamber 1 to form the inner wire, the second wire holes 11 are used for allowing degaussing cables forming the inner wire to pass through the magnetic shielding chamber 1 and be positioned on the outer wall surface of the magnetic shielding chamber 1 to form the outer wire, namely, the path trend of the outer wire returns to the position of the first wire holes 10 along the path of the inner wire from the second wire holes 11 on the outer surface of the magnetic shielding chamber 1, one degaussing cable is taken by adopting the structure, and enters the inner part of the magnetic shielding chamber 1 from the first wire holes 10 to form the initial wire 2, the first transition wire 3, the second transition wire 4 and the third transition wire 5, and then the outer wire passes through the second wire holes 11 and the fifth wire 7 to form the transition wire 7, the transition wire is easy and convenient and high in manufacturing, and the transition structure is formed by the fifth wire and the transition wire and the fourth wire and the transition wire.
In the magnetic shielding room degaussing coil system in the structure of fig. 1, each group of degaussing coils relates to three faces of the magnetic shielding room 1, and four groups of degaussing coils are mutually matched to cover six faces of the magnetic shielding room 1, so that degaussing efficiency is ensured.
In the actual winding process, after the four sets of degaussing coils are wound onto the magnetic shield room 1, the start end of the first set of degaussing coils 12 (i.e., the line end of the inner wire at the first wire hole 10 of the first set of degaussing coils 12) is further connected to the end of the fourth set of degaussing coils 15 (i.e., the line end of the outer wire at the first wire hole 10 of the fourth set of degaussing coils 15), note that although the start end of the first set of degaussing coils 12 and the end of the fourth set of degaussing coils 15 are connected together, their ends are not closed together, the end of the first set of degaussing coils 12 (i.e., the line end of the outer wire at the first wire hole 10 of the first set of degaussing coils 12) is further connected to the start end of the second set of degaussing coils 13 (i.e., the line end of the inner wire at the first wire hole 10 of the second set of degaussing coils 13), the starting end of the third set of degaussing coils 14 (i.e. the end of the inner wire at the first wire hole 10 of the third set of degaussing coils 14) is then connected to the ending end of the second set of degaussing coils 13 (i.e. the end of the outer wire at the first wire hole 10 of the second set of degaussing coils 13), the ending end of the third set of degaussing coils 14 (i.e. the end of the outer wire at the first wire hole 10 of the third set of degaussing coils 14) is then connected to the starting end of the fourth set of degaussing coils 15 (i.e. the end of the inner wire at the first wire hole 10 of the fourth set of degaussing coils 15), and finally the starting end of the first set of degaussing coils 12 and the ending end of the fourth set of degaussing coils 15 are connected to the commercial degaussing power supply, respectively, after current is applied by the commercial degaussing power supply, realizing the degaussing function.
A method of manufacturing a magnetic shielding room degaussing coil system, the method comprising the steps of:
(1) Taking one degaussing cable as a first degaussing cable, adopting the first degaussing cable to manufacture a first group of degaussing coils 12, enabling the first degaussing cable to enter the inner wall surface of the magnetic shielding chamber 1 from a first wiring hole 10 near a first edge angle of the magnetic shielding chamber 1 through the magnetic shielding chamber 1, forming an initial wiring 2, a first transition wiring 3, a second transition wiring 4 and a third transition wiring 5 of the first degaussing cable along edges of the magnetic shielding chamber 1 which are mutually perpendicular, forming a third transition wiring 5, enabling the degaussing cable to be exposed on the outer wall surface of the magnetic shielding chamber 1 through a corresponding second wiring hole 11, and forming a fourth transition wiring 6, a fifth transition wiring 7, a sixth transition wiring 8 and a termination wiring 9 of the first degaussing cable along the edges of the magnetic shielding chamber 1 which are mutually perpendicular, wherein the third transition wiring 5 corresponds to the fourth transition wiring 6, the fifth transition wiring 7 corresponds to the second transition wiring 4, the sixth transition wiring 8 corresponds to the first transition wiring 3 and the termination wiring 9;
(2) Taking a degaussing cable as a second degaussing cable, adopting the second degaussing cable to manufacture a second group of degaussing coils 13, enabling the second degaussing cable to pass through the magnetic shielding chamber 1 from a first wire hole 10 near a second corner of the magnetic shielding chamber 1 to enter the inner wall surface of the magnetic shielding chamber 1, enabling the first wire hole 10 near the second corner to be positioned on the same plane as the first wire hole 10 near the first corner in the step (1), enabling the second degaussing cable to form an initial wire 2, a first transition wire 3, a second transition wire 4 and a third transition wire 5 of the second degaussing cable along edges of the magnetic shielding chamber 1 which are mutually perpendicular, enabling the second degaussing cable to pass through the corresponding second wire hole 11 on the outer wall surface of the magnetic shielding chamber 1, enabling the second degaussing cable to form a fourth transition wire 6, a fifth transition wire 7, a sixth transition wire 8 and a third transition wire 9 which are mutually perpendicular to the first transition wire 8 and the second transition wire 8 and a third transition wire 5 which are mutually perpendicular to each other to correspond to the first transition wire 8 and the third transition wire 8 and the fifth transition wire 9 which corresponds to the first transition wire 8 and the fifth transition wire 8;
(3) Taking a degaussing cable as a third degaussing cable, adopting the third degaussing cable to manufacture a third group of degaussing coils 14, enabling the third degaussing cable to pass through the magnetic shielding chamber 1 from a first wire hole 10 near a third corner of the magnetic shielding chamber 1 to enter the inner wall surface of the magnetic shielding chamber 1, enabling the first wire hole 10 near the third corner to be positioned on the same plane as the first wire hole 10 near the second corner in the step (2), enabling the third degaussing cable to form an initial wire 2, a first transition wire 3, a second transition wire 4 and a third transition wire 5 of the third degaussing cable along edges of the magnetic shielding chamber 1 which are mutually perpendicular, enabling the third degaussing cable to pass through a corresponding second wire hole 11 on the outer wall surface of the magnetic shielding chamber 1, enabling the third degaussing cable to form a fourth transition wire 6, a fifth transition wire 7, a sixth transition wire 8 and a third transition wire 9 which are mutually perpendicular to the edges of the magnetic shielding chamber 1 to correspond to the first transition wire 8, the third transition wire 8 and the third transition wire 9 and the third transition wire 5 which correspond to the first transition wire 3 and the third transition wire 9;
(4) And (3) taking one degaussing cable as a fourth degaussing cable, adopting the fourth degaussing cable to manufacture a fourth group of degaussing coils 15, enabling the fourth degaussing cable to pass through the magnetic shielding chamber 1 from a first wire hole 10 near a fourth corner of the magnetic shielding chamber 1 to enter the inner wall surface of the magnetic shielding chamber 1, enabling the first wire hole 10 near the fourth corner to be positioned on the same plane as the first wire hole 10 near the third corner in the step (3), enabling the fourth degaussing cable to form an initial wire 2, a first transition wire 3, a second transition wire 4 and a third transition wire 5 of the fourth degaussing cable along edges of the magnetic shielding chamber 1 which are mutually perpendicular, enabling the fourth degaussing cable to pass through the corresponding second wire hole 11 on the outer wall surface of the magnetic shielding chamber 1, enabling the fourth transition wire 6, the fifth transition wire 7, the sixth transition wire 8 and the fourth transition wire 9 to be correspondingly exposed to the first transition wire 6, the fifth transition wire 7 and the third transition wire 9 to be correspondingly connected to the first transition wire 7 and the second transition wire 9 and the third transition wire 9 to be correspondingly connected to the first transition wire 4 and the third transition wire 9.
The magnetic shielding room degaussing coil system manufactured by the manufacturing method is simple and convenient to wind, low in winding complexity, efficient and convenient, the magnetic shielding room degaussing coil system with high degaussing efficiency can be obtained by winding four degaussing cables, and the manufacturing flow is simplified.
Through finite element simulation experiments, the magnetic shielding chamber 1 adopts a cube structure with the edge length of 1m, the demagnetizing cables can be made of different materials and different wire diameters, the finite element simulation result of the magnetic shielding chamber demagnetizing coil system is shown in fig. 3 according to the current carried by the magnetic shielding chamber demagnetizing coil system, the generated magnetic induction intensity is uniformly distributed after the direct current is introduced into the whole demagnetizing coil system, the area occupation ratio of the magnetic induction intensity on six surfaces of the magnetic shielding chamber 1 to be higher than the average magnetic induction intensity is greater than 95%, the demagnetizing efficiency is obviously higher than that of the I-type demagnetizing coil system and the L-type demagnetizing coil system, and the magnetic shielding chamber demagnetizing system is equivalent to a distributed demagnetizing method.
Claims (4)
1. A magnetic shielding room degaussing coil system comprising a system body, characterized in that: the system body comprises four groups of degaussing coils arranged on a magnetic shielding room (1), the magnetic shielding room (1) is of a cube structure or a cuboid structure, each group of degaussing coils is made of one degaussing cable, the degaussing cables penetrate through the magnetic shielding room (1) and enter the inner wall surface of the magnetic shielding room (1) to form internal wires, the degaussing cables penetrate out of the magnetic shielding room (1) after forming the internal wires and are positioned on the outer wall surface of the magnetic shielding room (1) to form external wires, the internal wires are arranged along the edges of the magnetic shielding room (1), the external wires are arranged along the edges of the magnetic shielding room (1) and correspond to the internal wires, each internal wire comprises an initial wire (2), a first transitional wire (3), a second transitional wire (4) and a third transitional wire (5) which are perpendicular to each other, each external wire comprises a fourth transitional wire (6), a fifth transitional wire (7), a sixth transitional wire (8) and a termination wire (9), each first transitional wire (3) is connected with one end of the first transitional wire (3) and the other end of the first transitional wire (3) are connected with the other end of the first transitional wire (5), the other end of the third transition wire (5) penetrates through the magnetic shielding chamber (1) to be connected with one end of the fourth transition wire (6), one end of the fifth transition wire is connected with the other end of the fourth transition wire (6), the other end of the fifth transition wire is connected with one end of the sixth transition wire, the other end of the sixth transition wire is connected with one end of the termination wire (9), and the initial wires (2) of the four groups of demagnetizing coils are respectively arranged along four edges of the same wall surface inside the magnetic shielding chamber (1).
2. A magnetic shielding room demagnetizing coil system according to claim 1, characterized in that: the initial wire (2), the first transition wire (3), the second transition wire (4), the third transition wire (5), the fourth transition wire (6), the fifth transition wire (7), the sixth transition wire (8) and the termination wire (9) are of an integrated structure.
3. A magnetic shielding room demagnetizing coil system in accordance with claim 2, characterized in that: each group of degaussing coils comprises a first wiring hole (10) and a second wiring hole (11), the first wiring hole (10) and the second wiring hole (11) are respectively located near two edges of the magnetic shielding chamber (1), the first wiring hole (10) is used for a degaussing cable to pass through the magnetic shielding chamber (1) and enter the inner wall surface of the magnetic shielding chamber (1) to form an internal wiring, and the second wiring hole (11) is used for a degaussing cable forming the internal wiring to pass through the magnetic shielding chamber (1) and be located on the outer wall surface of the magnetic shielding chamber (1) to form an external wiring.
4. A method of manufacturing a magnetic shield room demagnetizing coil system as claimed in any one of the preceding claims 1 to 3, the method comprising the steps of:
taking a degaussing cable as a first degaussing cable, adopting the first degaussing cable to manufacture a first group of degaussing coils (12), enabling the first degaussing cable to penetrate through a first wiring hole (10) near a first edge angle of a magnetic shielding room (1) to enter the inner wall surface of the magnetic shielding room (1) from the magnetic shielding room (1), forming an initial wiring (2), a first transition wiring (3), a second transition wiring (4) and a third transition wiring (5) of the first degaussing cable along edges of the magnetic shielding room (1) which are mutually perpendicular, and enabling the first degaussing cable to penetrate through a corresponding second wiring hole (11) to be exposed on the outer wall surface of the magnetic shielding room (1), and enabling a fourth transition wiring (6), a fifth transition wiring (7), a sixth transition wiring (8) and a termination wiring (9) of the first degaussing cable to be correspondingly connected with the first transition wiring (6), the second transition wiring (8) and the third transition wiring (5) to be correspondingly connected with the first transition wiring (7) and the third transition wiring (9) to be correspondingly connected with the first transition wiring (3, the third transition wiring (5);
(2) Taking a degaussing cable as a second degaussing cable, adopting the second degaussing cable to manufacture a second group of degaussing coils (13), enabling the second degaussing cable to penetrate through a first wiring hole (10) near a second edge of a magnetic shielding room (1) to enter into an inner wall surface of the magnetic shielding room (1) from the magnetic shielding room (1), enabling the first wiring hole (10) near the second edge to be located on the same plane with a first wiring hole (10) near the first edge in the step (1), enabling the second degaussing cable to form an initial wiring (2), a first transition wiring (3), a second transition wiring (4) and a third transition wiring (5) of the second degaussing cable along edges of the magnetic shielding room (1) which are mutually perpendicular, enabling the second degaussing cable to penetrate through a corresponding second wiring hole (11) on an outer wall surface of the magnetic shielding room (1) and enabling the second degaussing cable to be exposed along the corresponding second wiring hole (11), enabling the second transition wiring (7), the third transition wiring (5) and the fourth transition wiring (7) to be perpendicular to the first transition wiring (7), and the fifth transition wiring (7), and the fourth transition wiring (7) to be perpendicular to the second transition wiring (5) The sixth transition wire (8) corresponds to the first transition wire (3), and the initial wire (2) corresponds to the termination wire (9);
(3) Taking one degaussing cable as a third degaussing cable, adopting the third degaussing cable to manufacture a third group of degaussing coils (14), enabling the third degaussing cable to penetrate through a first wiring hole (10) near a third edge of a magnetic shielding room (1) and enter the inner wall surface of the magnetic shielding room (1), enabling the first wiring hole (10) near the third edge to be located on the same plane with the first wiring hole (10) near the second edge in the step (2), enabling the third degaussing cable to form an initial wiring (2), a first transitional wiring (3), a second transitional wiring (4) and a third transitional wiring (5) of the third degaussing cable along edges of the magnetic shielding room (1) which are perpendicular to each other, enabling the third degaussing cable to penetrate through a corresponding second wiring hole (11) to be exposed on the outer wall surface of the magnetic shielding room (1), enabling the third degaussing cable to form a fourth transitional wiring (7), a fifth transitional wiring (7), a corresponding to the fourth transitional wiring (7), a fifth transitional wiring (7) and a third transitional wiring (5) to be formed along the edges of the magnetic shielding room (1) which are perpendicular to each other, and enabling the third transitional wiring (4) to be connected to the fourth transitional wiring (7) The sixth transition wire (8) corresponds to the first transition wire (3), and the initial wire (2) corresponds to the termination wire (9);
(4) Taking one degaussing cable as a fourth degaussing cable, adopting the fourth degaussing cable to manufacture a fourth group of degaussing coils (15), enabling the fourth degaussing cable to penetrate through a first wiring hole (10) near a fourth edge of a magnetic shielding room (1) and enter into an inner wall surface of the magnetic shielding room (1), enabling the first wiring hole (10) near the fourth edge to be located on the same plane with the first wiring hole (10) near the third edge in the step (3), enabling the fourth degaussing cable to form an initial wiring (2), a first transitional wiring (3), a second transitional wiring (4) and a third transitional wiring (5) of the fourth degaussing cable along edges of the magnetic shielding room (1) which are perpendicular to each other, enabling the fourth degaussing cable to penetrate through a corresponding second wiring hole (11) to be exposed on an outer wall surface of the magnetic shielding room (1), enabling the fourth degaussing cable to form a fourth transitional wiring (7), enabling the fourth transitional wiring (6), the fourth transitional wiring (4) and the fourth transitional wiring (5) to be corresponding to the fourth transitional wiring (7), and the fourth transitional wiring (7) to the fourth transitional wiring (5), and the fourth transitional wiring (7) to be corresponding to the fourth transitional wiring (7) The sixth transition trace (8) corresponds to the first transition trace (3) and the initial trace (2) corresponds to the termination trace (9).
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001185890A (en) * | 1999-12-22 | 2001-07-06 | Shimizu Corp | Magnetic shield room and its construction method |
| JP2003124683A (en) * | 2001-10-10 | 2003-04-25 | Yokogawa Electric Corp | Magnetic shield |
| CN103477285A (en) * | 2011-02-16 | 2013-12-25 | 迈普尔平版印刷Ip有限公司 | System for magnetic shielding |
| CN105074487A (en) * | 2013-03-08 | 2015-11-18 | 韩国标准科学研究院 | Shielding apparatus, shielding method and demagnetizing for measuring magnetic field |
| CN209766163U (en) * | 2019-07-03 | 2019-12-10 | 深圳普诺玛商业安全设备有限公司 | Degaussing structure and degaussing barrel |
| CN110911087A (en) * | 2019-11-28 | 2020-03-24 | 中国船舶重工集团有限公司第七一0研究所 | Active demagnetization method for magnetic shielding device |
| CN110993252A (en) * | 2019-12-25 | 2020-04-10 | 哈尔滨工业大学 | Distributed demagnetization coil system, shielding device and demagnetization method |
-
2022
- 2022-04-28 CN CN202210462450.7A patent/CN114823045B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001185890A (en) * | 1999-12-22 | 2001-07-06 | Shimizu Corp | Magnetic shield room and its construction method |
| JP2003124683A (en) * | 2001-10-10 | 2003-04-25 | Yokogawa Electric Corp | Magnetic shield |
| CN103477285A (en) * | 2011-02-16 | 2013-12-25 | 迈普尔平版印刷Ip有限公司 | System for magnetic shielding |
| CN105074487A (en) * | 2013-03-08 | 2015-11-18 | 韩国标准科学研究院 | Shielding apparatus, shielding method and demagnetizing for measuring magnetic field |
| CN209766163U (en) * | 2019-07-03 | 2019-12-10 | 深圳普诺玛商业安全设备有限公司 | Degaussing structure and degaussing barrel |
| CN110911087A (en) * | 2019-11-28 | 2020-03-24 | 中国船舶重工集团有限公司第七一0研究所 | Active demagnetization method for magnetic shielding device |
| CN110993252A (en) * | 2019-12-25 | 2020-04-10 | 哈尔滨工业大学 | Distributed demagnetization coil system, shielding device and demagnetization method |
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