CN114429827B - Star imitation device coil fixing system - Google Patents
Star imitation device coil fixing system Download PDFInfo
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- CN114429827B CN114429827B CN202210359881.0A CN202210359881A CN114429827B CN 114429827 B CN114429827 B CN 114429827B CN 202210359881 A CN202210359881 A CN 202210359881A CN 114429827 B CN114429827 B CN 114429827B
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21B—FUSION REACTORS
- G21B1/00—Thermonuclear fusion reactors
- G21B1/05—Thermonuclear fusion reactors with magnetic or electric plasma confinement
- G21B1/055—Stellarators
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21B—FUSION REACTORS
- G21B1/00—Thermonuclear fusion reactors
- G21B1/11—Details
- G21B1/17—Vacuum chambers; Vacuum systems
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/10—Nuclear fusion reactors
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Abstract
The invention relates to the technical field of magnetic confinement nuclear fusion, in particular to a star simulator coil fixing system which comprises a supporting cage body and a central supporting structure, wherein the supporting cage body comprises an upper supporting platform, a lower supporting platform and a plurality of longitudinal supporting pieces, auxiliary plates are respectively arranged on the upper supporting platform and the lower supporting platform, and the central supporting structure is arranged in the supporting cage body and is used for fixedly supporting a coil system from the inner side of the coil system. The auxiliary plate provides stable supporting point positions for the vacuum chamber and the coil system, the coil system is fixedly supported from the inner side of the coil system by using the central supporting structure, adverse effects caused by electromagnetic force in the operation process of the star simulator can be reduced, the positions of the coil system and the vacuum chamber are completely and accurately fixed, and the auxiliary plate has important significance for designing and manufacturing the quasi-ring symmetric star simulator with excellent constraint performance on plasma.
Description
Technical Field
The invention relates to the technical field of magnetic confinement nuclear fusion, in particular to a star simulator coil fixing system.
Background
Along with the development and progress of society, the demand of human beings on energy is larger and larger, and the world energy crisis is aggravated increasingly. In the existing energy system, the traditional non-renewable energy sources such as coal, petroleum, natural gas and the like are mainly used, and not only can the energy sources generate huge pollution to the environment in the use process, but also the available life span is very limited. Therefore, in order to maintain the high rate of sustainable development of the human society, it is necessary to develop safe and abundant clean energy. The controlled nuclear fusion energy is just one kind of energy, and is known as the best way to solve the human energy crisis because of the abundant fuel reserves in sea water and no long-period radioactive substances produced in the fusion reaction process.
The occurrence of nuclear fusion reactions requires high temperatures in the billions of degrees, which ionizes matter to form a high temperature plasma. Research shows that charged particles in high-temperature plasma can be well confined in a magnetic container by adopting a strong magnetic field, which is the basic principle of magnetic confinement. Research results for many years show that controlled magnetic confinement fusion is the most probable way to lead commercialization of fusion energy. Currently, the two most successful controlled magnetic confinement fusion devices in the world are tokamaks and star emulators.
For tokamak, magnetic confinement fusion research based on tokamak configuration has made tremendous progress, although through a continuous search for more than half a century; however, tokamak plasma currents when approaching extreme conditions may cause large breaks in the plasma due to magnetofluid instability, leading to safety risks for the device.
The magnetic field of the stellarator which is another device of the magnetic confinement fusion is completely generated by the current of the external magnetic field coil. The star simulator does not cause large breakage because of no plasma current, and can stably operate for a long time, so that the star simulator is more suitable for serving as a commercial fusion reactor. The countries such as the United states, Japan and Germany all have the star simulator device, and the international research on the star simulator is not interrupted. The star simulator can generate a spiral magnetic field for restraining high-temperature plasma without plasma current through an external twisted magnetic field coil. However, the coil structure and manufacturing process of the stellarator is much more complex than tokamak. Compared with Tokamak, the traditional stellarators constructed earlier have very high magnetic field waviness. In principle, the large new classical transport loss is caused, so that the confinement performance of the magnetic confinement fusion simulator is lower than that of tokamak, which is the main reason that the traditional stellatellite device cannot become the magnetic confinement fusion configuration of the international mainstream. In view of the obvious advantage of the stellar simulator position without plasma large-scale rupture, there is a continuous research on stellar simulators, wherein, improving and optimizing the magnetic field position of the traditional stellar simulator to improve the confinement performance of the traditional stellar simulator to plasma becomes one of the focuses of magnetic confinement fusion research in recent years.
By knowing and analyzing the characteristics of the magnetic confinement fusion device existing in the world at present, the applicant designs a quasi-ring symmetric magnetic field configuration star simulator which combines the advantages of Tokamak and the advantages of the traditional star simulator, wherein the quasi-ring symmetric star simulator comprises a coil system, a vacuum chamber, a supporting system, a power supply system, a water cooling system, a central control system and a heating and diagnosis system; in order to ensure that the quasi-ring symmetric star simulator can normally and stably operate, the coil system and the vacuum chamber need to be effectively fixed, and the stability of the device is prevented from being influenced by electromagnetic force generated by the coil system.
Disclosure of Invention
The invention aims to provide a star simulator coil fixing system which can effectively fix a coil system and a vacuum chamber and can reduce the influence of electromagnetic force in the operation process. The invention provides a star simulator coil fixing system which comprises a supporting cage body and a central supporting structure, wherein the supporting cage body comprises an upper supporting platform, a lower supporting platform and a plurality of longitudinal supporting pieces, auxiliary plates are respectively arranged on the upper supporting platform and the lower supporting platform, and the central supporting structure is arranged in the supporting cage body and is used for fixedly supporting a coil system from the inner side of the coil system. The auxiliary plate provides stable supporting point positions for the vacuum chamber and the coil system, the coil system is fixedly supported from the inner side of the coil system by using the central supporting structure, adverse effects caused by electromagnetic force in the operation process of the star simulator can be reduced, the positions of the coil system and the vacuum chamber are completely and accurately fixed, and the auxiliary plate has important significance in designing and manufacturing the quasi-ring symmetric star simulator with excellent constraint performance on plasma.
The purpose of the invention is realized by the following technical scheme:
the utility model provides a imitative star ware coil fixing system, includes and supports the cage body and central bearing structure, support the cage body and include supporting platform, under bracing platform and a plurality of vertical support piece, lay the coil system between last supporting platform and under bracing platform, the coil system is used for producing the magnetic field position, vertical support piece encircles the coil system and sets up, and vertical support piece's both ends are connected with last supporting platform, under bracing platform respectively, the bottom of going up supporting platform and under bracing platform's top are provided with the accessory plate respectively, the accessory plate is used for providing the support point position for real empty room and coil system, central bearing structure sets up in supporting the cage body, and central bearing structure is located the non-magnetic field position shape region at coil system center, and central bearing structure is used for carrying out the fixed support to coil system from the coil system inboard.
Furthermore, the upper supporting platform comprises a first outer supporting ring, a first inner supporting ring and a plurality of first transverse supports, the first inner supporting ring is coaxially arranged in the first outer supporting ring, the first transverse supports are arranged between the first outer supporting ring and the first inner supporting ring, two ends of each first transverse support are detachably connected with the first outer supporting ring and the first inner supporting ring respectively, and an auxiliary plate corresponding to the upper supporting platform is fixedly connected with the first transverse supports.
Furthermore, the lower supporting platform comprises a second outer supporting ring, a second inner supporting ring and a plurality of second transverse supporting pieces, the second inner supporting ring is coaxially arranged in the second outer supporting ring, the second transverse supporting pieces are positioned between the second outer supporting ring and the second inner supporting ring, two ends of each second transverse supporting piece are detachably connected with the second outer supporting ring and the second inner supporting ring respectively, and an auxiliary plate corresponding to the lower supporting platform is fixedly connected with the second transverse supporting pieces.
Further, the first outer support ring, the first inner support ring, the first transverse support member, the second outer support ring, the second inner support ring and the second transverse support member all adopt a steel beam structure with an I-shaped section. Preferably, the first outer support ring, the first inner support ring, the second outer support ring and the second inner support ring are respectively formed by combining two semicircular steel beams.
Furthermore, eight longitudinal supports are arranged between the upper support platform and the lower support platform. The central support structure comprises two mounting columns, fixing platforms are respectively arranged at the tops of the two mounting columns, and the fixing platforms are used for providing support point positions for the coil system from the inner side. Two erection columns are parallel and vertical setting, establish the vertical plane of bisecting two erection columns as the reference surface, and the axial lead of two erection columns all is located the reference surface, and eight longitudinal support piece symmetries set up the both sides of reference surface.
Furthermore, two auxiliary beam groups are arranged between the upper supporting platform and the lower supporting platform, and the two auxiliary beam groups are arranged on two sides of the reference surface and are symmetrically arranged relative to the reference surface.
Each auxiliary beam group comprises two obliquely arranged upper auxiliary beams and two obliquely arranged lower auxiliary beams, the tops of the upper auxiliary beams are connected with the first outer supporting ring, the bottoms of the upper auxiliary beams are connected with the middle side wall of the adjacent longitudinal supporting piece, the bottoms of the lower auxiliary beams are connected with the second outer supporting ring, and the tops of the lower auxiliary beams are connected with the middle side wall of the adjacent longitudinal supporting piece. The upper auxiliary beam and the lower auxiliary beam which form the auxiliary beam group are in a left-right and up-down symmetrical structure.
Furthermore, the eight longitudinal supports are vertically connected between the first outer support ring and the second outer support ring, the connection points of the eight longitudinal supports and the first outer support ring and the second outer support ring are respectively at 33.75 °, 56.25 °, 123.75 °, 146.25 °, 213.75 °, 236.25 °, 303.75 °, and 326.25 °, the connection points of the four upper auxiliary beams and the first outer support ring are respectively at 78.75 °, 101.25 °, 258.75 °, and 281.25 °, and the connection points of the four lower auxiliary beams and the second outer support ring are respectively at 78.75 °, 101.25 °, 258.75 °, and 281.25 °; preferably, the datum planes are located at the 0 ° and 180 ° points.
Furthermore, two installation bases are arranged on the inner wall of the second inner support ring, and the central support structure is detachably connected with the installation bases.
Furthermore, six supporting point positions are arranged on the outer side wall of each fixing table. Six supporting point positions on the outer side wall of the fixed table form a U-shaped structure. Preferably, the supporting point position on the fixed station is matched with the coil box and the connecting boss in the coil system, so that the inner side of the coil system is conveniently connected and fixed with the fixed station of the central supporting structure.
Furthermore, six supporting points are arranged adjacently in sequence, and the six supporting points are symmetrically arranged relative to the reference plane.
Furthermore, two connecting columns are arranged between the two fixing tables, and two end parts of the connecting columns are used for providing support points for the coil system. The two connecting columns are utilized to correspond to the four M4 coils in the coil system, and the M4 coils are inconvenient to directly connect on the fixed table, and the centripetal force of the M4 coils is small, so that the four M4 coils are connected in two groups through the two connecting columns, and the effect of offsetting the centripetal force is achieved.
Furthermore, triangular connecting frames are respectively arranged at the tops of the two mounting columns, the fixed table is arranged on the outer side of the connecting frames, two connecting beams are arranged between the two connecting frames and are arranged in a vertical parallel mode, the two ends of the connecting beam above the fixed table are respectively fixedly connected with the tops of the two connecting frames, the two ends of the connecting beam below the fixed table are respectively fixedly connected with the bottoms of the connecting frames, and the connecting column is located between the two connecting beams. The connecting frame is of an isosceles triangle structure, the fixed station is located at the vertex of the triangle of the connecting frame, and the connecting beam is connected with the bottom surface of the connecting frame. The two connecting beams are used for connecting the fixed platforms on two sides, so that the influence caused by electromagnetic force can be partially offset.
Further, the central support structure is a symmetrical structure.
Further, the upper support platform comprises fourteen first lateral supports and the lower support platform comprises fourteen second lateral supports. Constructing an upper support platform by using a first outer support ring, a first inner support ring and fourteen first transverse supports; the lower supporting platform is constructed by the second outer supporting ring, the second inner supporting ring and fourteen second transverse supporting pieces, the upper supporting platform and the lower supporting platform can reserve spaces for windows of the upper part and the lower part of the vacuum chamber, an auxiliary plate is arranged on the supporting platform, the auxiliary plate is utilized to provide stable supporting point positions for the vacuum chamber and the coil system, eight longitudinal supporting pieces are matched, four upper auxiliary beams and four lower auxiliary beams form a stable cage type structure, the positions of the coil and the vacuum chamber can be completely and accurately fixed, and meanwhile, the overall structure can resist displacement in the vertical direction and overturning moment in the circumferential direction caused by electromagnetic force of the coil system.
Preferably, the auxiliary plate is divided into a plurality of plate structures, wherein the auxiliary plate at the bottom of the upper supporting platform is divided into eight plate structures including two connecting plates and six single plates, each connecting plate is connected to four first transverse supporting members, each single plate is connected to one first transverse supporting member, and three single plates are respectively arranged on the left side and the right side between the two connecting plates. And the auxiliary plate at the top of the lower supporting platform is also divided into eight sheet plates, and also comprises two connecting plates and six single plates, wherein each connecting plate is paved and connected on four second transverse supporting pieces, each single plate is paved and connected on one second transverse supporting piece, and the left side and the right side between the two connecting plates are respectively paved with three single plates. The auxiliary plate at the bottom of the upper supporting platform is arranged opposite to the auxiliary plate at the top of the lower supporting platform.
Furthermore, a plurality of support columns are arranged at the bottom of the lower support platform; preferably, twelve supporting columns are arranged at the bottom of the lower supporting platform, the supporting columns are preferably steel columns, specifically eight supporting columns are uniformly arranged at the bottom of the second outer supporting ring along the circumferential direction, and four supporting columns are uniformly arranged at the bottom of the second inner supporting ring along the circumferential direction. Twelve steel columns are fixed on the ground of a laboratory through the bottom of the lower supporting platform, so that a space is reserved for the bottom-mounted diagnostic equipment.
According to the star simulator coil fixing system, the coil end supporting point positions are arranged at the upper end, the lower end and the strong field side of the coil system and are connected with the auxiliary plate of the upper supporting platform, the auxiliary plate of the lower supporting platform, the fixing table of the central supporting structure or the connecting column of the central supporting structure through the connecting structure. Because the electromagnetic force of the coil system is mainly distributed in the centripetal direction and the vertical direction, the supporting point positions are distributed at the upper end, the lower end and the strong field side of the coil system; the supporting point position of the strong field side is selected to be arranged on the middle plane of the device, the problems of space occupation and assembly of the structure are mainly considered, and the supporting point position of the coil end of the strong field side is correspondingly connected with the fixed platform of the central supporting structure or the connecting column of the central supporting structure; for the point position in the vertical direction, because a space needs to be reserved for a diagnosis window on the vacuum chamber, supporting point positions are arranged right above and right below the coil system, and the coil end supporting point positions right above and right below the coil system are correspondingly connected with the auxiliary plate.
And further, the end surface of the connecting structure is matched with the shape of the auxiliary plate. Preferably, the connection structure is a rigid connection structure.
The invention has the beneficial effects that: the invention provides a star simulator coil fixing system, which constructs an upper supporting platform by adopting a first outer supporting ring, a first inner supporting ring and fourteen first transverse supporting pieces, constructs a lower supporting platform by adopting a second outer supporting ring, a second inner supporting ring and fourteen second transverse supporting pieces, can reserve a space for windows of the upper part and the lower part of a vacuum chamber, constructs a stable cage type structure by arranging auxiliary plates on the upper supporting platform and the lower supporting platform, provides stable supporting point positions for the vacuum chamber and a coil system by utilizing the auxiliary plates, and forms the stable cage type structure by matching eight longitudinal supporting pieces, four upper auxiliary beams and four lower auxiliary beams, can completely and accurately fix the positions of the coil and the vacuum chamber, simultaneously can resist the displacement of the coil system in the vertical direction and the overturning moment in the circumferential direction caused by electromagnetic force, and can fixedly support the coil system from the inner side of the coil system by utilizing a central supporting structure, therefore, adverse effects caused by electromagnetic force in the operation process are reduced, the use space of a vacuum chamber window is ensured, and the method has important significance for designing and manufacturing the quasi-ring symmetric star simulator with excellent constraint performance on plasma.
Drawings
FIG. 1 is a schematic perspective view of a fixing system for a satellite simulator coil according to the present invention;
FIG. 2 is a front view of the star simulator coil mounting system of the present invention;
FIG. 3 is a side view of the star tracker coil mounting system of the present invention;
FIG. 4 is a schematic view of the connection structure of the lower support platform and the central support structure according to the present invention;
FIG. 5 is a top view of the connection of the lower support platform and the central support structure of the present invention;
FIG. 6 is a bottom view of the upper support platform and central support structure of the present invention in connection with each other;
in the figure, 110, a first outer support ring; 111. a first inner support ring; 112. a first lateral support; 120. a second outer support ring; 121. a second inner support ring; 122. a second lateral support; 123. mounting a base station; 130. a longitudinal support; 131. an upper auxiliary beam; 132. a lower auxiliary beam; 140. an auxiliary plate; 200. a central support structure; 210. mounting a column; 220. a fixed table; 230. a connecting frame; 240. connecting columns; 250. a connecting beam; 300. and (4) a support column.
Detailed Description
The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following.
As shown in fig. 1 to 6, a star tracker coil fixing system comprises a support cage and a central support structure 200, the support cage includes an upper support platform, a lower support platform and a plurality of longitudinal supports 130, a coil system is arranged between the upper supporting platform and the lower supporting platform and used for generating the configuration of a magnetic field, the longitudinal support 130 is disposed around the coil system, two ends of the longitudinal support 130 are respectively connected to the upper support platform and the lower support platform, the bottom of the upper supporting platform and the top of the lower supporting platform are respectively provided with an auxiliary plate 140, the auxiliary plates 140 are used for providing supporting points for the vacuum chamber and the coil system, the central supporting structure 200 is arranged in the supporting cage body, and the central support structure 200 is located in the non-magnetic field configuration region at the center of the coil system, and the central support structure 200 is used for fixedly supporting the coil system from the inner side of the coil system.
Specifically, the upper support platform includes a first outer support ring 110, a first inner support ring 111 and a plurality of first transverse supports 112, the first inner support ring 111 is coaxially disposed in the first outer support ring 110, the first transverse supports 112 are located between the first outer support ring 110 and the first inner support ring 111, and two ends of the first transverse supports 112 are detachably connected to the first outer support ring 110 and the first inner support ring 111, respectively, and an auxiliary plate 140 corresponding to the upper support platform is fixedly connected to the first transverse supports 112.
Specifically, the lower support platform includes a second outer support ring 120, a second inner support ring 121 and a plurality of second transverse supports 122, the second inner support ring 121 is coaxially disposed in the second outer support ring 120, the second transverse supports 122 are located between the second outer support ring 120 and the second inner support ring 121, and two ends of the second transverse supports 122 are detachably connected to the second outer support ring 120 and the second inner support ring 121 respectively, and an auxiliary plate 140 and the second transverse supports 122 corresponding to the lower support platform are fixedly connected to each other.
Specifically, the first outer support ring 110, the first inner support ring 111, the first transverse support 112, the second outer support ring 120, the second inner support ring 121 and the second transverse support 122 all adopt a steel beam structure with an i-shaped cross section. Preferably, the first outer support ring 110, the first inner support ring 111, the second outer support ring 120 and the second inner support ring 121 are respectively formed by combining two semicircular steel beams.
As shown in fig. 4, the central support structure 200 includes two mounting posts 210, and fixing platforms 220 are respectively disposed on the tops of the two mounting posts 210, and the fixing platforms 220 are used for providing support points for the coil system from the inside.
Specifically, eight longitudinal supports 130 are provided between the upper and lower support platforms.
The two mounting columns 210 are arranged in parallel and vertically, the vertical plane bisecting the two mounting columns 210 is used as a reference plane, the axial lead of the two mounting columns 210 is located in the reference plane, and the eight longitudinal supporting pieces 130 are symmetrically arranged on two sides of the reference plane.
As shown in fig. 1 to 3, two auxiliary beam sets are disposed between the upper support platform and the lower support platform, and the two auxiliary beam sets are disposed on both sides of the reference plane and are symmetrically disposed with respect to the reference plane. Each auxiliary beam set comprises two obliquely arranged upper auxiliary beams 131 and two obliquely arranged lower auxiliary beams 132, the tops of the upper auxiliary beams 131 are connected with the first outer support ring 110, and the bottoms of the upper auxiliary beams 131 are connected with the middle side walls of the adjacent longitudinal supports 130; the bottom of the lower auxiliary beam 132 is connected to the second outer support ring 120, and the top of the lower auxiliary beam 132 is connected to the middle sidewall of the adjacent longitudinal support 130. The upper auxiliary beam 131 and the lower auxiliary beam 132 constituting the auxiliary beam group have a left-right and vertical symmetrical structure.
Specifically, the eight longitudinal supports 130 are vertically connected between the first outer support ring 110 and the second outer support ring 120, and the connection points of the eight longitudinal supports 130 and the first outer support ring 110 and the second outer support ring 120 are respectively at positions of 33.75 °, 56.25 °, 123.75 °, 146.25 °, 213.75 °, 236.25 °, 303.75 °, and 326.25 °, the connection points of the four upper auxiliary beams 131 and the first outer support ring 110 are respectively at positions of 78.75 °, 101.25 °, 258.75 °, and 281.25 °, and the connection points of the four lower auxiliary beams 132 and the second outer support ring 120 are respectively at positions of 78.75 °, 101.25 °, 258.75 °, and 281.25 °; preferably, the datum plane is located at the 0 ° and 180 ° points.
Specifically, two mounting abutments 123 are disposed on the inner wall of the second inner support ring 121, and the central support structure 200 is detachably connected to the mounting abutments 123.
Specifically, six support points are disposed on the outer side wall of each fixing table 220. Six support points on the outer side wall of the fixed platform 220 form a U-shaped structure, as shown in fig. 4. Preferably, the supporting points on the fixing table 220 are matched with the coil box and the connecting bosses in the coil system, so as to conveniently connect and fix the inner side of the coil system with the fixing table 220 of the central supporting structure 200.
Specifically, six support points on the outer side wall of the fixed station 220 are sequentially and adjacently arranged, and the six support points are symmetrically arranged relative to the reference plane.
Specifically, two connection columns 240 are disposed between the two fixing tables 220, and two ends of the connection columns 240 are used for providing support points for the coil system. By using two connecting posts 240 to correspond to four M4 coils in the coil system, since the M4 coil is inconvenient to directly connect to the fixing table 220 and the centripetal force of the M4 coil is small, the four M4 coils are connected in two groups by the two connecting posts 240, thereby achieving the effect of counteracting the centripetal force.
Specifically, triangular connecting frames 230 are respectively arranged at the tops of the two mounting columns 210, the fixing table 220 is arranged at the outer side of the connecting frames 230, two connecting beams 250 are arranged between the two connecting frames 230, the two connecting beams 250 are arranged in parallel up and down, two ends of the connecting beam 250 above are respectively fixedly connected with the tops of the two connecting frames 230, two ends of the connecting beam 250 below are respectively fixedly connected with the bottoms of the two connecting frames 230, and the connecting column 240 is arranged between the two connecting beams 250. The connecting frame 230 is in an isosceles triangle structure, the fixing station 220 is located at the vertex of the triangle of the connecting frame 230, and the connecting beam 250 is connected with the bottom surface of the connecting frame 230. The two connection beams 250 are used to connect the fixing stages 220 on both sides, so that the influence of the electromagnetic force is partially offset.
In particular, the central support structure 200 is a symmetrical structure.
In particular, the upper support platform comprises fourteen first lateral supports 112 and the lower support platform comprises fourteen second lateral supports 122. Constructing an upper support platform by employing a first outer support ring 110, a first inner support ring 111, and fourteen first lateral supports 112; the lower support platform is constructed by the second outer support ring 120, the second inner support ring 121 and the fourteen second transverse supports 122, the upper support platform and the lower support platform can reserve spaces for windows of the upper part and the lower part of the vacuum chamber, the auxiliary plate 140 is arranged at the bottom of the upper support platform and the top of the lower support platform, the auxiliary plate 140 is utilized to provide stable support point positions for the vacuum chamber and the coil system, eight longitudinal supports 130 are matched, four upper auxiliary beams 131 and four lower auxiliary beams 132 are matched, a stable cage type structure is formed, the positions of the satellite simulator coil and the vacuum chamber can be completely and accurately fixed, the shape of the satellite simulator coil is irregular, the upper support platform and the lower support platform are further designed, and the coil system is fixed from the upper direction and the lower direction. Meanwhile, the integral structure can resist displacement in the vertical direction and overturning moment in the annular direction caused by electromagnetic force of the coil system.
Further, the auxiliary plate 140 is divided into a plurality of plate-shaped structures, as shown in fig. 6, the auxiliary plate 140 at the bottom of the upper supporting platform is divided into eight plate-shaped plates including two connecting plates and six single plates, each connecting plate is connected to four first transverse supporting members 112, each single plate is connected to one first transverse supporting member 112, and three single plates are respectively disposed at the left and right sides between the two connecting plates. As shown in fig. 5, the auxiliary plate 140 on the top of the lower supporting platform is also divided into eight plate-shaped plates, which also includes two connecting plates and six single plates, each connecting plate is laid and connected to four second transverse supporting members 122, each single plate is laid and connected to one second transverse supporting member 122, and three single plates are laid on the left and right sides between the two connecting plates. The auxiliary plate 140 at the bottom of the upper support platform is disposed opposite to the auxiliary plate 140 at the top of the lower support platform.
Specifically, the bottom of the lower supporting platform is provided with a plurality of supporting columns 300; preferably, twelve supporting columns 300 are arranged at the bottom of the lower supporting platform, the supporting columns 300 are preferably steel columns, and specifically, eight supporting columns 300 are uniformly arranged at the bottom of the second outer supporting ring 120 in the circumferential direction, and four supporting columns 300 are uniformly arranged at the bottom of the second inner supporting ring 121 in the circumferential direction. Twelve steel columns are fixed on the ground of a laboratory through the bottom of the lower supporting platform, so that a space is reserved for the bottom-mounted diagnostic equipment.
In the fixing system for the star simulator coil, coil end supporting point locations are arranged at the upper end, the lower end and the strong field side of the coil system, and are connected with the auxiliary plate 140 of the upper supporting platform, the auxiliary plate 140 of the lower supporting platform and the fixing table 220 or the connecting column 240 of the central supporting structure 200 through connecting structures. Because the electromagnetic force of the coil system is mainly distributed in the centripetal direction and the vertical direction, the supporting point positions are distributed at the upper end, the lower end and the strong field side of the coil system; the supporting point position of the strong field side is selected to be arranged at the middle plane of the device, mainly considering the problems of space occupation and assembly of the structure, and the supporting point position of the coil end of the strong field side is correspondingly connected with the fixed platform 220 of the central supporting structure 200 or the connecting column 240 of the central supporting structure 200; for the point locations in the vertical direction, since a space needs to be reserved for the diagnostic window on the vacuum chamber, support points are provided right above and right below the coil system, and the coil end support points right above and right below the coil system are correspondingly connected with the auxiliary plate 140.
Specifically, a connection structure corresponding to the auxiliary plate 140, the end surface of which matches the shape of the auxiliary plate 140. Preferably, the connection structure is a rigid connection structure. Positioning and assembly are facilitated by providing a coupling structure that matches the shape of the auxiliary plate 140.
The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the invention is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (3)
1. A kind of imitative star ware coil fixing system, characterized by: the supporting cage comprises a supporting cage body and a central supporting structure, wherein the supporting cage body comprises an upper supporting platform, a lower supporting platform and a plurality of longitudinal supporting pieces, a coil system is arranged between the upper supporting platform and the lower supporting platform and used for generating a magnetic field configuration, the longitudinal supporting pieces are arranged around the coil system, two ends of each longitudinal supporting piece are respectively connected with the upper supporting platform and the lower supporting platform, auxiliary plates are respectively arranged at the bottom of the upper supporting platform and the top of the lower supporting platform and used for providing supporting point positions for a vacuum chamber and the coil system, the central supporting structure is arranged in the supporting cage body and located in a non-magnetic field configuration area in the center of the coil system, and the central supporting structure is used for fixedly supporting the coil system from the inner side of the coil system;
the upper supporting platform comprises a first outer supporting ring, a first inner supporting ring and a plurality of first transverse supporting pieces, the first inner supporting ring is coaxially arranged in the first outer supporting ring, the first transverse supporting pieces are positioned between the first outer supporting ring and the first inner supporting ring, and two ends of each first transverse supporting piece are detachably connected with the first outer supporting ring and the first inner supporting ring respectively and fixedly connected with an auxiliary plate corresponding to the upper supporting platform and the first transverse supporting pieces;
the lower supporting platform comprises a second outer supporting ring, a second inner supporting ring and a plurality of second transverse supporting pieces, the second inner supporting ring is coaxially arranged in the second outer supporting ring, the second transverse supporting pieces are positioned between the second outer supporting ring and the second inner supporting ring, two ends of each second transverse supporting piece are detachably connected with the second outer supporting ring and the second inner supporting ring respectively, and an auxiliary plate corresponding to the lower supporting platform is fixedly connected with the second transverse supporting pieces;
the central support structure comprises two mounting columns, fixing platforms are respectively arranged at the tops of the two mounting columns, the fixing platforms are used for providing support point positions for the coil system from the inner side, and six support point positions are arranged on the outer side wall of each fixing platform;
two auxiliary beam groups are arranged between the upper supporting platform and the lower supporting platform, each auxiliary beam group comprises two obliquely arranged upper auxiliary beams and two obliquely arranged lower auxiliary beams, the top of each upper auxiliary beam is connected with the first outer supporting ring, and the bottom of each upper auxiliary beam is connected with the side wall of the middle part of the adjacent longitudinal support; the bottom of the lower auxiliary beam is connected with the second outer support ring, and the top of the lower auxiliary beam is connected with the side wall of the middle part of the adjacent longitudinal support member;
two connecting columns are arranged between the two fixing tables, and two end parts of the connecting columns are used for providing supporting point positions for the coil system; triangular connecting frames are respectively arranged at the tops of the two mounting columns, the fixed table is arranged on the outer side of the connecting frames, two connecting beams are arranged between the two connecting frames, the two connecting beams are arranged in a vertical parallel mode, the two ends of the connecting beam located above are respectively fixedly connected with the tops of the two connecting frames, the two ends of the connecting beam located below are respectively fixedly connected with the bottoms of the two connecting frames, and the connecting column is located between the two connecting beams.
2. The star tracker coil mounting system of claim 1, wherein: two installation base stations are arranged on the inner wall of the second inner support ring, and the central support structure is detachably connected with the installation base stations.
3. The star tracker coil mounting system of claim 1, wherein: the center supporting structure is of a symmetrical structure, the connecting frame is of an isosceles triangle structure, the fixed table is located at the vertex of the triangle of the connecting frame, and the connecting beam is connected with the bottom surface of the connecting frame.
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