CN102664511A - Method for generating electromagnetic force with temporal and spatial variation in conducting liquid by adopting fluid driving - Google Patents
Method for generating electromagnetic force with temporal and spatial variation in conducting liquid by adopting fluid driving Download PDFInfo
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- CN102664511A CN102664511A CN2012101350499A CN201210135049A CN102664511A CN 102664511 A CN102664511 A CN 102664511A CN 2012101350499 A CN2012101350499 A CN 2012101350499A CN 201210135049 A CN201210135049 A CN 201210135049A CN 102664511 A CN102664511 A CN 102664511A
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Abstract
The invention relates to a method for generating electromagnetic force with temporal and spatial variation in a conducting liquid by adopting fluid driving, and belongs to the technical field of electromagnetic metallurgy, preparation of semiconductor materials, chemical industry and glass industry. The method comprises the following steps: firstly, a cylindrical cavity body is formed in a conducting liquid, wherein the cavity body is provided with a driving fluid channel port, a turbine blade is arranged in the cylindrical cavity body, and a permanent magnet and the turbine blade are fixed oppositely; the driving fluid enters or flows out from a channel port of the cavity body according to the cycle P, drives the turbine blade to rotate forward or backward according to the cycle P, and drives the permanent magnet to rotate, and a rotary magnetic field for cyclic variation in direction is generated; and eddy current is generated in the conducting liquid at the periphery outside the cavity body, the rotary magnetic field and the eddy current interact, and the electromagnetic force is generated so as to drive or stir the conducting liquid. An electromagnetic driver formed by adopting the method provided by the invention can be used in a metal condensation process to improve macrosegregation, a metal alloying process as well as the field for preparing gradient materials, composite materials and the like.
Description
Technical field
The present invention relates to a kind of method that adopts fluid drives in conducting liquid, to produce the electromagnetic force of change in time and space, belong to Electro-Magnetic Metallurgy, semi-conducting material preparation, chemical industry and glass industry technical field.
Background technology
Traditional Electromagnetic Drive Technology is owing to the restriction that receives skin effect, and is very limited for the conducting liquid driving effect of large-size.Patent (application number: 201210039850.3) proposed a kind of method that in conducting liquid, produces electromagnetic force with fluid as driven medium; Replace electricity or Mechanical Driven in the prior art with fluid drives; To simplify the structure of electromagnetic driver; Increase the flexibility of design, and enlarge the range of application of electromagnetic driver.But traditional Electromagnetic Drive Technology and said method exist following not enough: magnetic field configuration is single; The electromagnetic force that produces is comparatively fixing in spatial distribution; Thereby the flow field of driven conductor fluid does not generally change in time; The electromagnetic force spatial distribution adjustability in the conducting liquid again is poor, has following shortcoming:
(i) for the freezing problem of alloy, because the forced convection pattern of metal liquid is fixed, solute reallocation effect is relatively poor; And research shows (Wang Xiaodong etc.; Material forum, the 508th volume, 163-168 page or leaf): electromagnetic field effect not only can not be eliminated the concentration segregation improperly sometimes; But also can increase the concentration segregation, directly destroy the usage performance of material;
(ii) in conductor fluid, form stable thermal boundary layer, heat-transfer effect is poor under the occasion that needs fully conduct heat;
(iii) in conductor fluid, form stable fluid flow boundary layer, conducting liquid can not be stirred fully;
(iv) can not obtain programmable higher electromagnetic force density gradient field as required.
The applicant had once delivered a kind of pattern electromagnetic force way based on traditional electromagnetic agitating technology (Wang Xiaodong etc., metallurgical and material communication B, periodic inversion stream I and II that the pattern electromagnetic field drives; The 40th volume, 2009, the 82-90 page or leaf; The 104-113 page or leaf); Can cause the periodicity of melt to flow at solidification front pattern electromagnetic force field, fully change the redistribution process of solute, in the mode frequency sphere of action of optimizing, can reach the remarkable purpose of improving concentration segregation in the process of setting.
Summary of the invention
The objective of the invention is to propose a kind of method that adopts fluid drives in conducting liquid, to produce the electromagnetic force of change in time and space; The existing method that in conductor fluid, produces electromagnetic force is made improvement; Change to obtain periodically variable electromagnetic force field through drive fluid flow and direction, produce the purposes of electromagnetic force with expansion through fluid drives.
The employing fluid drives that the present invention proposes produces the method for the electromagnetic force of change in time and space in conducting liquid, multiple different scheme is arranged, and wherein first kind of scheme may further comprise the steps:
(1) in conducting liquid, form a circular cylindrical cavity, cavity is provided with the first passage mouth and the second channel mouth of drive fluid;
(2) turbo blade is placed circular cylindrical cavity, turbo blade is installed on the bearing, bearing and the coaxial installation of circular cylindrical cavity;
(3) with permanent magnet and turbo blade relative fixed;
(4) drive fluid is got into first passage mouth or the second channel mouth of cycle P from the circular cylindrical cavity or flow out; Drive fluid drives turbo blade and does to rotate forward or backwards with cycle P; And drive permanent magnet with the rotation forward or backwards of cycle P do; Produce the rotating magnetic field that direction changes with cycle P, rotating magnetic field produces vortex flow in the conducting liquid of circular cylindrical cavity exterior circumferential, and rotating magnetic field and vortex flow interact; Produce the electromagnetic force that direction changes with cycle P, drive or stir conducting liquid.
In above-mentioned first kind of scheme; The relatively-stationary form of described permanent magnet and turbo blade is: two discoid connecting plates are set; Two connecting plates place the both sides of turbo blade respectively; The inboard of two connecting plates is connected with turbo blade respectively, and the outside of two connecting plates is provided with first permanent magnet and second permanent magnet respectively, forms first magnetic field and second magnetic field.
In above-mentioned first kind of scheme; The relatively-stationary form of described permanent magnet and turbo blade is: a cylindrical shape connecting plate is set; Turbo blade is connected with the cylindrical shape connecting plate; The cylindrical shape connecting plate is positioned at the outer end of turbo blade, and permanent magnet is installed on the cylindrical shape connecting plate, and five-way road junction and the 6th passway place the end face of circular cylindrical cavity.
Wherein second kind of scheme may further comprise the steps:
(1) inner core and a urceolus are set, the coaxial installation of inner core and urceolus forms a sleeve shaped cavity between inner core and the urceolus, and the end face of sleeve shaped cavity is provided with the 7th passway and the 8th passway of drive fluid;
(2) a cylindrical shape connecting plate is set; Turbo blade is connected with a side of cylindrical shape connecting plate; The cylindrical shape connecting plate is positioned at the inner end of turbo blade, and permanent magnet is installed in the opposite side of cylindrical shape connecting plate, and turbo blade is placed circular cylindrical cavity; Turbo blade is installed on the bearing, bearing and the coaxial installation of circular cylindrical cavity;
(3) drive fluid is got into the 7th passway or the 8th passway of cycle P from the circular cylindrical cavity or flow out; Drive fluid drives turbo blade and does to rotate forward or backwards with cycle P; And drive permanent magnet with the rotation forward or backwards of cycle P do; Produce the rotating magnetic field that direction changes with cycle P, rotating magnetic field produces vortex flow, rotating magnetic field and vortex flow interaction in the conducting liquid in the outside of the inboard of inner core and urceolus; Produce the electromagnetic force that direction changes with cycle P, drive or stir conducting liquid.
Wherein the third scheme may further comprise the steps:
(1) inner core and a urceolus are set, the coaxial installation of inner core and urceolus forms a sleeve shaped cavity between inner core and the urceolus, and the end face of cavity is provided with the 7th passway and the 8th passway of drive fluid;
(2) a cylindrical shape connecting plate is set; Turbo blade is connected with a side of cylindrical shape connecting plate; The cylindrical shape connecting plate is positioned at the inner end of turbo blade, and permanent magnet is installed in the opposite side of cylindrical shape connecting plate, and turbo blade is placed circular cylindrical cavity; Turbo blade is installed on the bearing, bearing and the coaxial installation of circular cylindrical cavity;
(3) drive fluid is got into the 7th passway or the 8th passway of cycle P from the circular cylindrical cavity or flow out; Drive fluid drives turbo blade and does to rotate forward or backwards with cycle P; And drive permanent magnet with the rotation forward or backwards of cycle P do; Produce the rotating magnetic field that direction changes with cycle P, in the conducting liquid in the outside of the inboard of inner core and urceolus, produce vortex flow, rotating magnetic field and vortex flow interaction; Produce the electromagnetic force of cyclic variation on the space-time, drive or stir conducting liquid.
Wherein the 4th kind of scheme may further comprise the steps:
(1) in conducting liquid, forms first circular cylindrical cavity and second circular cylindrical cavity; Be respectively equipped with the 9th passway and the tenth passway of drive fluid on first circular cylindrical cavity, be respectively equipped with the 11 passway and the 12 passway of drive fluid on second circular cylindrical cavity;
(2) respectively turbo blade is placed first circular cylindrical cavity and second circular cylindrical cavity, turbo blade is installed on the bearing, bearing and the coaxial installation of circular cylindrical cavity;
(3) with first permanent magnet and second permanent magnet respectively with the turbo blade relative fixed;
(4) make drive fluid with cycle P or P ' respectively from the 9th passway of first circular cylindrical cavity or the 11 passway on the tenth passway and second circular cylindrical cavity or the 12 passway get into or flow out; Drive fluid drives turbo blade and does to rotate forward or backwards with cycle P or P '; And the drive permanent magnet produces the rotating magnetic field that changes with cycle P or P '; In the conducting liquid of two circular cylindrical cavity exterior circumferential, produce vortex flow; Rotating magnetic field and vortex flow interact, and produce the electromagnetic force field of change in time and space, drive or stir conducting liquid.
The employing fluid drives that the present invention proposes produces the method for the electromagnetic force of change in time and space in conducting liquid; Its advantage is: the employing fluid drives that proposes according to the present invention produces the electromagnetic driver of the method manufacturing of electromagnetic force in conducting liquid, the enforcement means are easy, reliable; Change through drive fluid flow and direction and to realize having periodically variable electromagnetic force field; The cycle change frequency of electromagnetic force can be regulated according to actual needs on a large scale; The size of electromagnetic force also can be regulated through the changes in flow rate of drive fluid, thereby has enlarged the application scope widely.The rotating magnetic field structure Design is versatile and flexible, for example, adopts the plate-like magnetic field structure of arc or strip permanent magnet unit, the tubular magnetic field of the magnetic field of helical structure, magnetic evil spirit ring structure etc.; The designability of electromagnetic force field spatial variations and controllability are very high, as can in conducting liquid, realizing higher electromagnetic force density gradient field.
The employing fluid drives that proposes according to the present invention produces the electromagnetic driver of the method manufacturing of electromagnetic force in conducting liquid, can be used for improving in the metal solidification process gross segregation, especially situation when the metal bath volume is big; Can be used for the metal alloy process: the alloying element that disperses interpolation; Can be used for preparing in the technical process of functionally gradient material (FGM), composite material: in conducting liquid, produce bigger electromagnetic force density field; Can be used for that metal transports, the homogenizing in metal liquid temperature field in die casting (the comprising tight casting) process; Can be used for quickening metallurgical technology processes such as degasification, desulfurization.
Description of drawings
Fig. 1 is the principle schematic of the method for employing fluid drives that the present invention the proposes electromagnetic force that in conducting liquid, produces change in time and space, also is the structural representation according to first kind of magnetic driven device of the inventive method design.
Fig. 2 is drive fluid flow and direction time dependent oscillogram in one-period.
Fig. 3 is the structural representation according to second kind of magnetic driven device of the inventive method design.
Fig. 4 is the structural representation according to the third magnetic driven device of the inventive method design.
Fig. 5 is the structural representation according to the 4th kind of magnetic driven device of the inventive method design.
Fig. 6 and Fig. 7 are respectively the sketch mapes of two kinds of different structures of permanent magnet in the magnetic driven device shown in Fig. 4 and Fig. 5.
Fig. 8 is a kind of working state figure according to the 5th kind of magnetic driven device of the inventive method design.
Fig. 9 is the another kind of working state figure of magnetic driven device shown in Figure 8.
Among Fig. 1～Fig. 9, the 1st, conducting liquid; The 2nd, circular cylindrical cavity; The 3rd, the first passage mouth; The 4th, the second channel mouth; The 5th, turbo blade; The 6th, bearing; The 7th, permanent magnet; The 8th, the direction of rotation of turbo blade; The 9th, the flow direction of conducting liquid; The 10th, the third channel mouth; 11 is four-way road junctions; The 12nd, plate-like first connecting plate; The 13rd, plate-like second connecting plate; 14 is first permanent magnet (being made up of the arc-shaped permanent magnet unit); 15 is second permanent magnet (being made up of the strip permanent magnet unit); The 16th, cylindric connecting plate; 17 is five-way road junctions; 18 is the 6th passwaies; The 19th, the sleeve shaped cavity; 20 is the 7th passwaies; 21 is the 8th passwaies; The 22nd, the spirality permanent magnet; The 23rd, the permanent magnet magnetization direction; The 24th, spirality permanent magnet supporting frame; The 25th, the direction of rotation in magnetic field; The 26th, the permanent magnet of magnetic evil spirit ring structure; 27 is first circular cylindrical cavities; 28 is second circular cylindrical cavities; 29 is the 9th passwaies; 30 is the tenth passwaies; 31 is the 11 passwaies; 32 is the 12 passwaies.
Embodiment
Below in conjunction with accompanying drawing, the employing fluid drives that the present invention is proposed produces the electromagnetic force of change in time and space in conducting liquid method describes in detail.
The inventive method has multiple different scheme, wherein adopts the structure of magnetic driven device of first kind of conceptual design as shown in Figure 1, may further comprise the steps:
(1) in conducting liquid 1, form a circular cylindrical cavity 2, cavity is provided with the first passage mouth 3 and second channel mouth 4 of drive fluid;
(2) turbo blade 5 is placed circular cylindrical cavity 1, turbo blade 5 is installed on the bearing 6, bearing 6 and circular cylindrical cavity 2 coaxial installations;
(3) with permanent magnet 7 and turbo blade 5 relative fixed;
(4) drive fluid is got into or outflow from first passage mouth 3 or second channel mouth 4 on the circular cylindrical cavity with cycle P; Drive fluid drives turbo blade 5 and does to rotate forward or backwards with cycle P; And drive permanent magnet 7 with the rotation forward or backwards of cycle P do; The direction of rotation 8 of turbo blade and the flow direction 9 of conductor fluid have been shown among Fig. 1; Permanent magnet 7 produces the rotating magnetic field that direction is made cyclic variation (cycle P) under the drive of turbo blade 5, rotating magnetic field produces vortex flow in the conducting liquid 1 of circular cylindrical cavity 2 exterior circumferential, and rotating magnetic field and vortex flow interact; Produce direction and make the electromagnetic force of cyclic variation (cycle P), drive or stir conducting liquid 1.
Fig. 1 shows the basic principle of the inventive method, through the cyclic variation of drive fluid flow direction, realizes the cyclic variation of turbo blade 5 rotation directions, thereby makes the permanent magnet 7 that together moves with it also realize the cyclic variation of direction of rotation.Shown in Fig. 1 (a) and Fig. 1 (b), the cycle of variation is P, and frequency is: f=1/P, (turbo blade is done counterclockwise (or clockwise) rotation in 0＜T＜P), makes clockwise (or counterclockwise) at (P-T) time period in and rotates in time period T.This variation be through first passage mouth 3 as the fluid inflow entrance, second channel mouth 4 is as the fluid flow export, perhaps second channel mouth 4 is as the fluid inflow entrance, first passage mouth 3 is as the fluid flow export, periodically alternate realizes.
Shown in Figure 2 is drive fluid flow and direction time dependent oscillogram in one-period; If the drive fluid flow is Q; Drive fluid just is designated as from the direction that first passage mouth 3 flows into, and the direction that flows out from first passage mouth 3 is designated as negative, and the square wave (i) among then available Fig. 2 of drive fluid flow cyclic variation in time (c) is represented; It also can be square wave; Also can be (surplus) string ripple just, or other waveform of similar just (surplus) string ripple, as the curve among Fig. 2 (c) (ii) shown in.In addition, because the effect of inertia of drive fluid and consideration machine security, the drive fluid switching-over needs certain hour, and the switching-over required time is 2T
p, generally require P＞＞T
p, as curve among Fig. 2 (c) (iii) shown in, guaranteeing conducting liquid 1 not only by abundant driving (amplitude of drive strength is tending towards saturated), and property performance period evident characteristic pattern flows.The cyclic variation of this drive fluid also can have a kind of step form in addition, and shown in Fig. 2 (d), drive fluid acts on a fixed length in one-period time, (0＜T＜P), the drive fluid flow was zero in all the other times.
The periodicity that driven conducting liquid 1 flows has following characteristic: the periodicity that drive fluid flows is identical with the periodicity of the electromagnetic force that driven conducting liquid receives; The magnitude of conducting liquid 1 suffered electromagnetic force and the flow of drive fluid have certain relation, and conductor fluid 1 will obtain to have flowing of obvious periodic characteristic, and the flow of drive fluid needs greater than certain threshold values; Cycle and its flow (being the kinetic energy of fluid) that the drive fluid direction changes will have certain matching relationship, realize that the periodicity of conducting liquid 1 flows, and cycle P also needs greater than certain threshold values.Consider the size characteristic and the application of magnetic driven device, the frequency f of the electromagnetic force field that conducting liquid 1 receives generally is less than 0.2 hertz (cycle P was greater than 5 seconds).
According to the structure of the magnetic driven device of second kind of conceptual design of the inventive method shown in Fig. 3 (e); Two passwaies of drive fluid are set on the sidewall of circular cylindrical cavity 2; Be designated as the third channel mouth 10 of drive fluid and the four-way road junction 11 of drive fluid respectively; Permanent magnet 7 wherein with turbo blade 8 relatively-stationary forms is: the both sides that two connecting plates 12 and 13, two connecting plates 12,13 place turbo blade 8 respectively are set, and the inboard of two connecting plates 12,13 is connected with turbo blade 8 respectively; The outside of two connecting plates 12,13 is provided with first permanent magnet 14 and second permanent magnet 15 respectively, forms first magnetic field and second magnetic field.
Can find out this structure from Fig. 3 (e) and Fig. 3 (f); Connecting plate 12 and 13 is plate-like and the end face that is parallel to circular cylindrical cavity 2; And adopt the dual permanent-magnet magnetic field structure, promptly first permanent magnet 14 and second permanent magnet 15 come the electromagnetic force field that the implementation space changes.Bearing 6 is positioned at the center of circular cylindrical cavity cavity 2; The inner ring of bearing 6 is connected with circular cylindrical cavity 2; The outer ring of bearing 6 is connected with turbo blade 5; Guarantee that turbo blade 5 is free to rotate under the drive fluid effect, the outer ring of bearing 6 also is connected with two plate- like connecting plates 12,13 of apportion turbo blade 5 both sides simultaneously, and the inboard of two connecting plates 12,13 is connected with turbo blade 5 respectively; The outside of two connecting plates 12,13 is provided with first permanent magnet 14 and second permanent magnet 15 respectively; Make two permanent magnets 14,15 have various structure through design, shown in Fig. 3 (g) and Fig. 3 (h), the magnet unit shape of first permanent magnet 14 and second permanent magnet 15 is respectively the permanent magnet of circular arc and strip.Permanent magnet unit also can be designed to other shape as required.The permanent magnet rotation produces the different vortex flow of spatial distribution, in conducting liquid, forms the different electromagnetic force field of spatial distribution.In conducting liquid 1, can obtain the zone of bigger electromagnetic force density gradient as required, the large gradient electromagnetic field of force of such spatial variations can be used in the special preparation technology of some material.
Structure according to the magnetic driven device of the third conceptual design of the inventive method is as shown in Figure 4, and wherein Fig. 4 (i) is the internal structure sketch map of circular cylindrical cavity, and Fig. 4 (j) is its end view.Permanent magnet 7 with turbo blade 5 relatively-stationary forms is: a cylindrical shape connecting plate 16 is set, and cylindric connecting plate 16 is coaxial with circular cylindrical cavity 2.Turbo blade 5 is connected (link to each other or inlay wherein) with cylindrical shape connecting plate 16, cylindrical shape connecting plate 16 is positioned at the outer end of turbo blade 5, and permanent magnet 14,15 is installed on the cylindrical shape connecting plate 16.Shown in Fig. 4 (j); Two passwaies of drive fluid are positioned on two end faces of circular cylindrical cavity 2; Be designated as the five-way road junction 17 and the 6th passway 18 of drive fluid; This moment, turbo blade 8 can be designed to the abnormally-structured of three-dimensional, guaranteed that turbo blade 8 is free under drive fluid drives, steadily rotated.
Structure according to the magnetic driven device of the 4th kind of conceptual design of the inventive method is as shown in Figure 5; An inner core and a urceolus are set, the coaxial installation of inner core and urceolus, and have two end faces; Form a sleeve shaped cavity 19; Wherein Fig. 5 (k) is the internal structure sketch map of sleeve shaped cavity 19, and Fig. 5 (l) is its end view, and the end face of sleeve shaped cavity 19 is provided with the 7th passway 20 and the 8th passway 21 of drive fluid; The outer ring of bearing 6 is coaxial to be installed on the inwall of urceolus of sleeve shaped cavity 19; The inner ring of bearing 6 is connected with turbo blade 5; A cylindrical shape connecting plate 16 is set; The outside of cylindrical shape connecting plate 16 is connected with the inner end of turbo blade 5, and permanent magnet 14 or 15 is installed in the inboard (link to each other or inlay wherein) of cylindrical shape connecting plate.Drive fluid is got into or outflow from the 7th passway 20 or the 8th passway 21 on the circular cylindrical cavity with cycle P; Drive fluid drives turbo blade 5 and does to rotate forward or backwards with cycle P; And drive permanent magnet with the rotation forward or backwards of cycle P do; Generation is made the rotating magnetic field of rotation forward or backwards with cycle P; In the conducting liquid 1 of the core of sleeve shaped cavity 19, produce vortex flow, rotating magnetic field and vortex flow interact to produce with cycle P and make the electromagnetic force that changes, drive or stirring conducting liquid 1.
Fig. 6 is a kind of structural representation of permanent magnet in the magnetic driven device shown in above-mentioned Fig. 4 and Fig. 5.Wherein Fig. 6 (m) is the structural representation of helical magnetic field; Spirality magnetic field is produced by spirality permanent magnet 22; The every bit direction of magnetization 23 on the magnet all radially, spirality permanent magnet 22 and supporting frame 24 formed a sleeve shaped structure and is connected with sleeve shaped connecting plate 16.Spirality permanent magnet 22 shown in Fig. 6 (m) can be used as the permanent magnet in Fig. 4 and the magnetic driven device shown in Figure 5.Fig. 6 (m) also shows the direction of rotation 25 in magnetic field.Its operation principle can have two kinds of working methods here shown in Fig. 6 (n) and Fig. 6 (o): a kind of is to adopt the operating state shown in Fig. 6 (n) or Fig. 6 (o) separately, and the velocity component of velocity field circumferential and axial can be expressed as (V respectively
φ, V
z), (V
φ,-V
z), the flow field does not change in time; Second kind for being rotated counterclockwise (Fig. 6 (n)) or turn clockwise (Fig. 6 (o)) in time T spiral magnetic field; Correspondingly; Turn clockwise (Fig. 6 (o)) in time (P-T) inside spin magnetic field or be rotated counterclockwise (Fig. 6 (n)); Spirality permanent magnet 22 rotates under the driving of drive fluid; In conducting liquid 1, produce flowing of corresponding three-dimensional spiral structure, flow direction 9 is respectively shown in Fig. 6 (n) and Fig. 6 (o), thus it is clear that the magnetic driven device of this structure will be in conducting liquid 1 electromagnetic force field of cyclic variation on generation time and the space.
Fig. 7 is the another kind of structural representation of permanent magnet in the magnetic driven device shown in above-mentioned Fig. 4 and Fig. 5.Wherein Fig. 7 (p) is the sketch map in the magnetic field 26 of the magnetic evil spirit ring structure formed of a kind of traditional Unit eight; Arrow on the permanent magnet is represented the direction of magnetization 23 of this magnet unit; Distribution of Magnetic Field is even on the central cross-section of vertical axis; Magnetic field is Gaussian distribution on axis, and promptly in the axial direction along with the distance of leaving magnet increases, decay rapidly in magnetic field.Axially going up the distribution of electromagnetic field intensity can regulate through the height of magnetic evil spirit ring, and such design is very favourable in conducting liquid, producing higher electromagnetic force density gradient field.The permanent magnet 25 of magnetic shown in Fig. 7 (p) evil spirit ring structure can be used as the permanent magnet in Fig. 4 and the magnetic driven device shown in Figure 5.Fig. 7 (q) and Fig. 7 (r) are the permanent magnet fundamental diagrams in the present invention of magnetic evil spirit ring structure.Fig. 7 (p) also shows the direction of rotation 25 in magnetic field.Its operation principle also has two kinds of working methods shown in Fig. 7 (q) and Fig. 7 (r): a kind of is to adopt Fig. 7 (q) or Fig. 7 (r) separately; Second kind is to be rotated counterclockwise (Fig. 7 (q)) in time T spiral magnetic field or turn clockwise (Fig. 7 (r)); Correspondingly; Turn clockwise (Fig. 7 (r)) in time (P-T) inside spin magnetic field or be rotated counterclockwise (Fig. 7 (q)); The permanent magnet 25 of magnetic evil spirit ring structure rotates under the driving of drive fluid, in conducting liquid 1, produces flowing of corresponding three-dimensional spindle structure, and flow direction 9 is respectively shown in Fig. 7 (q) and Fig. 7 (r).
It is to be noted; More than be that the electromagnetic force field that under magnetic driven device effect of the present invention, in conducting liquid 1, produces spatial variations through specific Magnetic Field Design is described by way of example, therefore be not limited to adopt other can produce the magnetic field structure of spatial variations electromagnetic force field.
Structure according to the magnetic driven device of the 5th kind of conceptual design of the inventive method is as shown in Figure 8, and this method may further comprise the steps:
(1) in conducting liquid 1, forms first circular cylindrical cavity 27 and second circular cylindrical cavity 28; Be respectively equipped with the 11 passway 31 and the 12 passway 32 that are respectively equipped with drive fluid on the 9th passway 29 and the tenth passway 30, the second circular cylindrical cavities 28 of drive fluid on first circular cylindrical cavity 27;
(2) respectively turbo blade 5 is placed first circular cylindrical cavity 27 and second circular cylindrical cavity 28, turbo blade 5 is installed on the bearing 6, bearing 6 and circular cylindrical cavity 27,28 coaxial installations;
(3) with permanent magnet 7 respectively with turbo blade 5 relative fixed;
(4) make drive fluid with cycle P or P ' respectively from the 9th passway 29 of first circular cylindrical cavity 27 or the 11 passway 31 on the tenth passway 30 and second circular cylindrical cavity 28 or the 12 passway 32 get into or flow out; Drive fluid drives turbo blade 5 and does to rotate forward or backwards with cycle P or P '; And the drive permanent magnet produces the rotating magnetic field that direction is done cyclic variation (cycle is P or P '); At two circular cylindrical cavities 27; Produce vortex flow in the conducting liquid 1 of 28 exterior circumferential, rotating magnetic field and vortex flow interact and produce the electromagnetic force field of change in time and space (cycle is P or P '), drive or stir conducting liquid 1.
Fig. 8 (s) and Fig. 8 (t) show the situation that two magnetic driven devices works are arranged in juxtaposition; Setting through the 9th passway 29, the tenth passway the 30, the 11 passway the 31, the 12 passway 32 drive fluid flow directions; The direction of rotation that can realize two magnetic driven devices is opposite; Be that one of them is contrary (suitable) clockwise rotation, another then is along the rotation of (contrary) clockwise, and does cyclic variation according to certain cycle P.In this structure, repel each other the principle that there is a natural attraction between the sexes according to the magnetic pole same sex; Between two magnetic driven devices that are arranged in juxtaposition, set up related magnetic field; Under the effect in this related magnetic field, shown in the flow direction 9 as figure of conducting liquid, in conducting liquid 1, form periodically and flow.
Fig. 9 (u) and Fig. 9 are (v); Setting through the 9th passway 29, the tenth passway the 30, the 11 passway the 31, the 12 passway 32 drive fluid flow directions; The direction of rotation that can realize two magnetic driven devices is identical, and promptly one of them is contrary (suitable) clockwise rotation, correspondingly; Another then is contrary (suitable) clockwise rotation, and does cyclic variation according to certain cycle P.In order in conducting liquid, to produce higher electromagnetic force density gradient field; The direction of rotation of two magnetic driven devices is made as identical; Formation has periodicity and has higher electromagnetic force density gradient field in the conducting liquid between two magnetic driven devices, and then in conducting liquid, produces the velocity field with big gradient.
In addition, in the inventive method, because the flow of drive fluid has certain functional relation with the electromagnetic force that the conducting liquid that is driven receives, usually, the flow of drive fluid is big more, the electromagnetic force that is obtained also bigger (electromagnetic force do not reach capacity state).Therefore, can also in conducting liquid, obtain the electromagnetic force field that practical application needs through regulating the flow of drive fluid.
Claims (5)
1. method that adopts fluid drives in conducting liquid, to produce the electromagnetic force of change in time and space is characterized in that this method may further comprise the steps:
(1) in conducting liquid, form a circular cylindrical cavity, cavity is provided with the first passage mouth and the second channel mouth of drive fluid;
(2) turbo blade is placed circular cylindrical cavity, turbo blade is installed on the bearing, bearing and the coaxial installation of circular cylindrical cavity;
(3) with permanent magnet and turbo blade relative fixed;
(4) drive fluid is got into first passage mouth or the second channel mouth of cycle P from the circular cylindrical cavity or flow out; Drive fluid drives turbo blade and rotates forward or backwards with cycle P work, and the drive permanent magnet makes to rotate forward or backwards the rotating magnetic field that the generation direction changes with cycle P with cycle P; In the conducting liquid of circular cylindrical cavity exterior circumferential, produce vortex flow; Rotating magnetic field and vortex flow interact, and produce the electromagnetic force that direction changes with cycle P, drive or stir conducting liquid.
2. the method for claim 1; It is characterized in that the relatively-stationary form of wherein said permanent magnet and turbo blade is: two discoid connecting plates are set; Two connecting plates place the both sides of turbo blade respectively; The inboard of two connecting plates is connected with turbo blade respectively, and the outside of two connecting plates is provided with first permanent magnet and second permanent magnet respectively, forms first magnetic field and second magnetic field.
3. the method for claim 1; It is characterized in that the relatively-stationary form of wherein said permanent magnet and turbo blade is: a cylindrical shape connecting plate is set; Turbo blade is connected with the cylindrical shape connecting plate; The cylindrical shape connecting plate is positioned at the outer end of turbo blade, and permanent magnet is installed on the cylindrical shape connecting plate, and five-way road junction and the 6th passway place the end face of circular cylindrical cavity.
4. method that adopts fluid drives in conducting liquid, to produce the electromagnetic force of change in time and space is characterized in that this method may further comprise the steps:
(1) inner core and a urceolus are set, the coaxial installation of inner core and urceolus forms a sleeve shaped cavity between inner core and the urceolus, and the end face of cavity is provided with the 7th passway and the 8th passway of drive fluid;
(2) a cylindrical shape connecting plate is set; Turbo blade is connected with a side of cylindrical shape connecting plate; The cylindrical shape connecting plate is positioned at the inner end of turbo blade, and permanent magnet is installed in the opposite side of cylindrical shape connecting plate, and turbo blade is placed circular cylindrical cavity; Turbo blade is installed on the bearing, bearing and the coaxial installation of circular cylindrical cavity;
(3) drive fluid is got into the 7th passway or the 8th passway of cycle P from the circular cylindrical cavity or flow out; Drive fluid drives turbo blade and does to rotate forward or backwards with cycle P; And drive permanent magnet with the rotation forward or backwards of cycle P do; Produce the rotating magnetic field that direction changes with cycle P, in the conducting liquid in the outside of the inboard of inner core and urceolus, produce vortex flow, rotating magnetic field and vortex flow interaction; Produce the electromagnetic force of cyclic variation on the space-time, drive or stir conducting liquid.
5. method that adopts fluid drives in conducting liquid, to produce the electromagnetic force of change in time and space is characterized in that this method may further comprise the steps:
(1) in conducting liquid, forms first circular cylindrical cavity and second circular cylindrical cavity; Be respectively equipped with the 9th passway and the tenth passway of drive fluid on first circular cylindrical cavity, be respectively equipped with the 11 passway and the 12 passway of drive fluid on second circular cylindrical cavity;
(2) respectively turbo blade is placed first circular cylindrical cavity and second circular cylindrical cavity, turbo blade is installed on the bearing, bearing and the coaxial installation of circular cylindrical cavity;
(3) with first permanent magnet and second permanent magnet respectively with the turbo blade relative fixed;
(4) make drive fluid with cycle P or P ' respectively from the 9th passway of first circular cylindrical cavity or the 11 passway on the tenth passway and second circular cylindrical cavity or the 12 passway get into or flow out; Drive fluid drives turbo blade and does to rotate forward or backwards with cycle P or P '; And the drive permanent magnet produces the rotating magnetic field that changes with cycle P or P '; In the conducting liquid of two circular cylindrical cavity exterior circumferential, produce vortex flow; Rotating magnetic field and vortex flow interact, and produce the electromagnetic force field of change in time and space, drive or stir conducting liquid.
Priority Applications (1)
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| CN102980415A (en) * | 2012-11-20 | 2013-03-20 | 中国科学院研究生院 | Method for driving periodic flow of metal melt on basis of spiral magnetic field of electrified coil |
| CN104467357A (en) * | 2013-09-15 | 2015-03-25 | 波音公司 | Ferrofluid motor |
| CN107024118A (en) * | 2015-11-05 | 2017-08-08 | 高桥谦三 | Liquation delivery pump and liquation induction system |
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| US20110115231A1 (en) * | 2009-11-12 | 2011-05-19 | Nostrum Energy Pte. Ltd. | Hydrokinetic energy conversion system |
| CN102146883A (en) * | 2010-02-09 | 2011-08-10 | 李希南 | High-power magnetic fluid power generator system for wind power generation |
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| US20100320771A1 (en) * | 2007-11-16 | 2010-12-23 | Michael John Urch | Power Generator |
| US20110115231A1 (en) * | 2009-11-12 | 2011-05-19 | Nostrum Energy Pte. Ltd. | Hydrokinetic energy conversion system |
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| CN102980415A (en) * | 2012-11-20 | 2013-03-20 | 中国科学院研究生院 | Method for driving periodic flow of metal melt on basis of spiral magnetic field of electrified coil |
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| US9543818B2 (en) | 2013-09-15 | 2017-01-10 | The Boeing Company | Ferrofluid motor |
| CN107024118A (en) * | 2015-11-05 | 2017-08-08 | 高桥谦三 | Liquation delivery pump and liquation induction system |
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| CN102664511B (en) | 2013-12-04 |
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