CN1315253C - Control system of large magnetic suspension plant - Google Patents
Control system of large magnetic suspension plant Download PDFInfo
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- CN1315253C CN1315253C CNB021108250A CN02110825A CN1315253C CN 1315253 C CN1315253 C CN 1315253C CN B021108250 A CNB021108250 A CN B021108250A CN 02110825 A CN02110825 A CN 02110825A CN 1315253 C CN1315253 C CN 1315253C
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- buoyancy aid
- magnetic suspension
- resistance
- control system
- carriage
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Abstract
The present invention provides a control system for a large size magnetic suspension device. The present invention has the functions of magnetic suspension of a suspending body, rotation, suspension, power-off protection, etc., solves the key problems of the large size magnetic suspension device, and causes the large size magnetic suspension device to achieve practicability and commercialization. The present invention causes the large magnetic suspension device to apply to large magnetic suspension display, such as large models, large advertisements, artistic molding, corporate images, markers, magnetic suspension teaching, exhibitions, interior decorations, etc. The present invention has science and technology performance, novelty sense and good display effect. The present invention has wide development prospect and market prospect, and good social and economic benefits.
Description
Technical field
The present invention is relevant with magnetic levitation system, particularly a kind of control system of large magnetic suspension device.
Background technology
The inventor had once done elaboration in application on December 29th, 1999 and in patent " magnetic levitation system " (patent No. ZL99252312.5) that weighs and " magnetic levitation system and control system thereof " (number of patent application 00115354.4) document applied on October 13rd, 2000 to magnetic levitation system and control system thereof, under the control of control system, buoyancy aid can not only suspend in magnetic levitation system, and can stably rotate automatically.
Yet, the success of magnetic levitation system, market has proposed the requirement to large magnetic suspension device immediately, because large magnetic suspension device can be used for large-scale magnetic suspension model displaying, large scale commercial product advertisement, science and education demonstration (large magnetic suspension tellurion, model of celestial bodies etc.), large-scale design (physical culture, handicraft), large enterprise's image, mark, mascot, spectacular or even large-scale sculpture, magic etc.Of many uses, market is very big, profitable, investment value is desirable.
So-called large magnetic suspension device is meant that its integral body is huger, and particularly the volume of the buoyancy aid of quilt wherein " magnetic suspension " is big, weight is heavier, gap big (particularly the space length of its above and below is bigger on every side to refer to buoyancy aid).For example, the volume of buoyancy aid can be more than several cubic meters, and weight is more than tens kilograms, and the gap of buoyancy aid top is more than 200 millimeters.So huge heavy buoyancy aid also needs rotation automatically.Finish so huge engineering, not only will solve the major issue of magnetic structure, and also have many control problems to need to solve, comprise the magnetic suspension control of buoyancy aid, automatically Spin Control, go into buoyance lift and fall control and power-off protection control etc.
Because:
Just go into to float and to have buoyancy aid in arms with hand and to enter suspended state again as treating small-sized buoyancy aid for large-scale buoyancy aid, and must adopt buoyancy aid to go into floating lifting control subsystem by it.
In addition, because the buoyancy aid massiveness has a power failure suddenly in the use for some reason; certainly will cause buoyancy aid to fall suddenly, may break or cause the accident, to this inevitable situation; the lesson in past is heavy, because large-scale buoyancy aid is in order to alleviate its weight, its structure adopts shell structure more; the cost height often is unable to undergo to drop, even thoroughly do not break; only be to cause certain distortion; this remains unallowed to decorating with artistic buoyancy aid, therefore, must manage to increase power-off protection apparatus.
Summary of the invention
The technical problem to be solved in the present invention is:
1. for large-scale buoyancy aid provides into floating control subsystem, realize going into automatically floating;
2. for large-scale buoyancy aid provides the power-off protection subsystem, even have a power failure suddenly, buoyancy aid still can be worked as usual;
3. provide a kind of magnetic suspension Light Electronic Control System for large-scale buoyancy aid;
4. provide a kind of control subsystem for large-scale buoyancy aid rotation.
A kind of control system of large magnetic suspension device is provided, and it is floating that buoyancy aid is gone into automatically, the running that reliablely and stablely suspends, and also easy and simple to handle.
Technical solution of the present invention is as follows:
A kind of control system of large magnetic suspension device comprises buoyancy aid magnetic suspension control system, buoyancy aid Spin Control subsystem, it is characterized in that buoyancy aid goes into to float control subsystem and power-off protection subsystem in addition;
Described buoyancy aid is gone into to float the control subsystem and is actually elevating mechanism and the automatic control circuit thereof that buoyancy aid enters suspended state, its mechanism is made up of driving mechanism, lifting montant, carriage and spacing controlling parts, one driving mechanism drives a montant and promotes the rising or the decline of a carriage, the montant appropriate location connects a transverse arm, and this transverse arm can touch two limit switch L
1And L
2The contact, its circuit is by limit switch L
1And L
2, carriage stop button AN, carriage rise button AN
1Button AN falls with carriage
2, contactor P
1And P
2And normally opened contact p
1, p
2Normally-closed contact p
1', p
2' form; This cover mechanism can be made in the table position of buoyancy aid below, like this can be the buoyancy aid that originally was located on the following table, buoyancy aid is sent into the self-suspending position of middle part by the rising of this carriage, buoyancy aid is self-suspending just, and carriage can fall back to the bottom original position automatically.If but the initial original position of buoyancy aid is to go up the upper top of inhaling at support body, then above-mentioned this covering device must be assemblied in the support body upper top position of buoyancy aid top, carriage motion downwards can make buoyancy aid deliver to the self-suspending position of middle part, below, buoyancy aid is self-suspending just, and supporting plate can rise to the upper top original position automatically.Also have and must upper and lowerly all assemble this two covers mechanism simultaneously, looking needs operation, and control method is identical;
The driving mechanism that described buoyancy aid goes into to float the control subsystem also can be pneumatic mechanism or oil sector;
Described mechanism drives sleeve rotation by a motor G by reduction box J, one slide block moving up and down is set in this sleeve, this slide block is fixedlyed connected with the lower end of a screw mandrel, and this screw mandrel passes and is fixed on the tapped supporting on the following table and fixedlys connected with a carriage; The mechanism that this cover is more special, can make the buoyancy aid that is attached on this mechanism's carriage, has axial rotation in the time of also with the lifting of carriage again, make also rotation at the volley simultaneously of buoyancy aid, when then buoyancy aid enters self-suspending delivering to the self-suspending position, have certain rotary speed, to facilitate and to quicken the automatic rotation of buoyancy aid.
Described power-off protection control subsystem is to adopt a uninterrupted power supply (ups) Unity to make stand-by power supply and and A.C. contactor P
3Be connected in parallel in the ac circuit of power supply;
Described power-off protection control subsystem is to adopt batteries to make stand-by power supply;
Described buoyancy aid magnetic suspension control system is a Light Electronic Control System, and this Light Electronic Control System comprises:
Between the ground wire of controlling power supply and positive pole, be in series with the resistance R that is connected with ground
0, photoelectric device BPX and the resistance R that is connected with positive pole
1, wherein the BPX two ends are parallel with capacitor C
1, and make resistance R
0With the node of photoelectric device BPX be A, resistance R
1With the node of photoelectric device BPX be a; Current collection element IC
1Negative input meet its output b, through resistance R
2And capacitor C
2Meet current collection element IC behind the parallel circuits
2Negative input c, IC
2Positive input pass through resistance R
6Ground connection, IC
2Negative input c and IC
2Output d between be connected to resistance R
5And capacitor C
3Negative-feedback circuit in parallel, IC
2Output d through resistance R
7Meet triode BG
1Base stage, its collector electrode is through resistance R
11Connect the control positive source, its emitter e is on the one hand through resistance R
8Ground connection is on the other hand through resistance R
9Meet pliotron BG
2Base stage f, BG
2Emitter pass through resistance R
10Ground connection, capacitor C
4, diode D
1Ec is connected in parallel on BG with electromagnetic device
2Collector electrode g and large-sized DC power supply DC positive pole between, and the minus earth of DC power supply DC, node c meets potentiometer R
4Centre tap, R
4An end ground connection, the negative pole of another termination negative supply; When photoelectric device BPX is arranged on the top of buoyancy aid, integrated component IC
1The forward input point be connected on resistance R
1Node a place with light-sensitive device BPX; When photoelectric device BPX is arranged on the bottom of buoyancy aid, integrated component IC
1The forward input point should be connected on light-sensitive device BPX and resistance R
0Between node A place;
Described buoyancy aid Spin Control subsystem is a magnetic rotating disc type system, promptly on the off-centered a certain circumference in buoyancy aid bottom, be laid with plural permanent magnet, on the circumference of desktop below the buoyancy aid, also lay a plurality of opposite polarity permanent magnets, desktop drives top buoyancy aid rotation around the rotation of buoyancy aid mass axis by magnetic attraction;
Described buoyancy aid Spin Control subsystem is the bleed type control system, promptly is laid with more than one blowing mouth on the frame wall of buoyancy aid week side, when wind buoyancy aid side, buoyancy aid is obtained continuously and rotation at the uniform velocity.
Description of drawings
Fig. 1 is that large magnetic suspension device control system buoyancy aid of the present invention goes into to float control subsystem mechanical part structural representation.
Fig. 2 is that large magnetic suspension device control system buoyancy aid of the present invention goes into to float control subsystem automatic control circuit schematic diagram.
Fig. 3 be large magnetic suspension device control system buoyancy aid of the present invention go into to float control subsystem control motor circuit figure automatically.
Fig. 4 be large magnetic suspension device control system buoyancy aid of the present invention go into to float control subsystem control three-phase motor circuit figure automatically.
Fig. 5 is that large magnetic suspension device control system buoyancy aid of the present invention goes into to float the schematic diagram that the control subsystem adopts pneumatic or oil sector.
Fig. 6 is one of large magnetic suspension device control system power-off protection subsystem circuit theory diagrams of the present invention.
Fig. 7 is two of large magnetic suspension device control system power-off protection subsystem circuit theory diagrams of the present invention.
Fig. 8 is the structural representation that the photoelectric device BPX of large magnetic suspension device control system magnetic suspension control subsystem of the present invention is arranged on the buoyancy aid upper end.
Fig. 9 is the structural representation that the photoelectric device BPX of large magnetic suspension device control system magnetic suspension control subsystem of the present invention is arranged on the buoyancy aid lower end.
Figure 10 is the circuit theory diagrams of large magnetic suspension device control system magnetic suspension control subsystem of the present invention.
Figure 11 is one of the automatic Spin Control subsystem of a large magnetic suspension device control system buoyancy aid of the present invention magnetic rotating disc type control system schematic diagram.
Figure 12 is two of the automatic Spin Control subsystem of large magnetic suspension device control system buoyancy aid of the present invention---air blowing type control subsystem schematic diagram.
Figure 13 is the structural representation of large magnetic suspension device of the present invention.
Among the figure:
1-large power, electrically magnetic device 2-tank tower
21-tank tower wall 5-table top
3-buoyancy aid 4-automatic hoisting mechanism
41-montant 42-transverse arm
43-carriage 44-screw mandrel
The telescopic permanent magnet of the tapped supporting of 45-46-
47-slide block 48-sleeve
51-deflection magnetic force generator 52-magnetic induction device
6-control cabinet G-motor
J-reduction box F-light source
BPX-photelectric receiver AN
1-carriage rises button
AN
2Button AN falls in-carriage
0-carriage stop button
L
1, L
2-spacing control element P
1, P
2-contactor
P
3, P
4-A.C. contactor
Embodiment
Large magnetic suspension control system of the present invention comprises buoyancy aid magnetic suspension control subsystem, and buoyancy aid Spin Control subsystem, buoyancy aid go into to float control subsystem and power-off protection subsystem.
Fig. 1 is that buoyancy aid of the present invention goes into to float control subsystem mechanical part structural representation.Fig. 2, Fig. 3 and Fig. 4 are respectively automatically controlled circuit diagram, motor circuit figure and the three-phase motor circuit figure that buoyancy aid of the present invention goes into to float the control subsystem.Buoyancy aid is gone into to float the control subsystem and is actually buoyancy aid 3 and enters the elevating mechanism of suspended state and the combination of automatic control circuit thereof, its mechanical structure is made up of driving mechanism, lifting montant, carriage and spacing control element, as shown in Figure 1, comprise that a driving mechanism drives a montant 41 and promotes a rising or a decline of loading the carriage 43 of buoyancy aid 3, montant 41 appropriate locations connect a transverse arm 42, and this transverse arm 42 can touch two spacing control element L respectively in the process of moving up and down
1And L
2The contact, with change the electricity annexation.Its circuit is by limit switch L
1And L
2, carriage stop button AN
0, carriage rises button AN
1, button AN falls in carriage
2, contactor P
1And P
2And normally opened contact p
1, p
2, normally-closed contact p
1', p
2' form.Circuit connecting relation is shown in Figure 2 as institute, and its operation principle is as follows:
When pressing the button AN
1The time, can make contactor P
1Adhesive is " self-locking " also, and it is how right that its contact has, if adopt direct current machine to make drive source (as shown in Figure 3), contactor P
1Another to normally opened contact P
1, P
1' closure can make motor G obtain I
1Electric current and rotating rises montant 41, and buoyancy aid 3 is held up gradually by following table 5 bottoms, and when buoyancy aid 3 rose to normal levitation position, the transverse arm 42 on the carriage montant 41 touched the spacing control element L among Fig. 1
1, make L
1Inner pair of contact is changed rapidly, and promptly often making war becomes closed, and normally closed point becomes disconnection, makes contactor P
1Outage, motor G has a power failure, and carriage 43 and buoyancy aid 3 stop to rise, and this moment, buoyancy aid 3 should be able to enter suspended state automatically.Because L
1The conversion of above-mentioned contact, make contactor P again
2Adhesive and self-locking, contactor P
2Normally opened contact p
21Closure, make motor G obtain I again
2Electric current, I
2Direction and I
1Direction opposite, the rotation of G is also reverse, from then on carriage 43 begins to descend, and touches spacing control element L again until the transverse arm 42 of montant 41
2, L
2The action of contact makes A.C. contactor P
2Outage, L
1Contact reinstatement attitude, motor G stall, carriage 43 descends and stops, and this position promptly is an original position, and carriage 43 has been got back to following table 5, has finished the overall process of once automatically buoyancy aid 3 being served the suspended state position, button AN
1Operation be to rise frame, AN
2Operation be to fall frame, AN
0Be the carriage stop motion, utilize three buttons can operate carriage 41 voltuntary movements.
Contactor P wherein
1, P
2Normally-closed contact p
1', p
2' be serially connected in contactor P
1And P
2Circuit in, can avoid P
1And P
2Energising simultaneously is in order to avoid P
1, P
2Adhesive simultaneously causes power supply short circuit.
Fig. 6 and Fig. 7 be respectively one of power-off protection subsystem circuit theory diagrams of the present invention, two.So-called outage keeps subsystem, in the time of will quitting work when magnetic levitation system power failure suddenly exactly, moment allows stand-by power supply come into operation, and keeps a whole set of magnetic levitation system to continue the system of operate as normal, and its crucial application component is exactly an A.C. contactor, be connected in parallel in the ac circuit of power supply, the parts of signal when serving as outage, it take place, a while uninterrupted power supply UPS in parallel, as shown in Figure 6, when the AC power normal power supply, A.C. contactor P
3Adhesive, its normally opened contact p
31Adhesive, normally-closed contact p
32Disconnect, magnetic levitation system is in alternating current regular supply state, and ups power then is in the charging stand-by state, when extraneous AC outage, and P
3Also dead electricity and discharging, its contact restores to the original state, i.e. normally opened contact p
31Disconnect normally-closed contact p
32Adhesive, UPS drops into power supply, and also only to the magnetic levitation system power supply, output AC 220V electric energy, till extraneous alternating current recovers supply, P
3Adhesive, UPS withdraws from power supply.
Fig. 7 adopts the standby battery group to make the circuit theory diagrams of stand-by power supply, and power-off signal and storage battery power supply are still by A.C. contactor P
4Control, when normal extraneous ac power supply, P
4Adhesive, its normally-closed contact P
41, P
42, P
43, P
44All disconnect, thereby not externally power supply of batteries, and be in the charging stand-by state.When extraneous AC power disconnects, P
4Discharge P
41, P
42, P
43, P
44All recover normally off, the batteries input is supplied direct current to magnetic levitation system, E
1, E
2Direct current is by the W among Fig. 6
1, W
2Input is the supply control circuit use through voltage stabilizing; Another organizes E
3, E
4Without voltage stabilizing, the big electric current of the magnetic coil 1 of directly powering uses.
Fig. 8 is that magnetic suspension control subsystem of the present invention---photoelectric device BPX is arranged on the structural representation of buoyancy aid 3 upper ends, and Fig. 9 is the structural representation that photoelectric device BPX is arranged on buoyancy aid 3 lower ends, and Figure 10 is its corresponding circuit diagram.
When photoelectric device BPX is arranged on the buoyancy aid upper end, among Figure 10, integrated component IC
1Anode be connected on the node a place of resistance R 1 and light-sensitive device BPX, the topmost of buoyancy aid 3 is in " half shading " state (as Fig. 8) to the light that luminous element F invests BPX.
When buoyancy aid 3 when the levitation position upper-lower position changes, can produce following a series of variations and control action: if buoyancy aid 3 has whereabouts trend, the decline of buoyancy aid upper end, make the light of light source F invest light-sensitive device BPX morely, it has reduced its internal resistance owing to being subjected to more luminous flux, referring to Figure 10, make
The current potential of point descends, then IC
1Output
Current potential descend, pass through R
2C
2Coupling makes current collection element IC
2The input
The point current potential descends, and passes through IC
2Anti-phase amplification, its output
Current potential raise, pass through resistance R
7, triode BG then
1Base potential raise, after amplifying by its electric current, its emitter
Current potential raises, and passes through resistance R
9, high-power fet BG
2Base potential
Raise, its collector potential then
Descend, mean electromagnetic device
Obtain bigger electric current, produce bigger electromagnetic attraction, to the bigger magnetic attraction of buoyancy aid 3 tops generation of below, this buoyancy aid that promotes to be in the downward trend produces extra rising pulling force and position of floating body is upwards promoted; When buoyancy aid promotes egregiously, the luminous flux of BPX is reduced, internal resistance increases,
The point current potential rises, and is last
Electric current reduces, and suction descends, and buoyancy aid can fall.The high and low reaches final " balance " like this, and what make that buoyancy aid is suspended in the space should have the position.
Photoelectric device also can be arranged on the bottom (as shown in Figure 9) of buoyancy aid, at this moment, and the IC on the circuit diagram (Figure 10)
1Input point answer the (dotted line represent) of reconfiguration between BPX and earth resistance Ro, control the result also be similar.R
4Potentiometer is used for manual adjustment " working point " in advance, when just buoyancy aid normally suspends
The running current value.
But, it is more regular occasion that above-mentioned photo-electric control only can use the form at the shading position of the upper end of buoyancy aid or lower end, the situation of round tip preferably, the shading situation that also can make each position when particularly rotating is the situation of basically identical, could stably control well, otherwise upper end or lower end because shape difference and the shading situation is different, certainly will cause different repercussions and finally are difficult to operation when each anglec of rotation.This has just limited the utilization of the buoyancy aid of some shape, perhaps needs buoyancy aid is reequiped.
Also can adopt magnetic rotating disc type system for buoyancy aid Spin Control subsystem in the large magnetic suspension device, as shown in figure 11, on a certain circumference O of buoyancy aid 3 bottom off-center, evenly be laid with two or more permanent magnets N (S), and on corresponding circumference O ' on the table top 5 below the buoyancy aid 3, also be laid with a plurality of opposite polarity permanent magnet S (N), and desktop contains the rotating disk of circumference O ' under the promotion of driver, can can drive buoyancy aid 3 rotations by the magnetic attraction between permanent magnet N (S) and the S (N) around the mass axis T of buoyancy aid 3 rotation.
In addition, also can adopt the bleed type control system, its design as shown in figure 12, promptly on the frame wall of buoyancy aid 3 all sides, be laid with more than one blowing mouth, only drawn an air port among the figure, when compressed air or the gas that flows fast by the air port when buoyancy aid 3 sides blow hard, can make buoyancy aid 3 obtain a stable rotation at the uniform velocity, when becalming, buoyancy aid will be subjected to air drag and stop operating.
Figure 13 is the structural representation of one of large magnetic suspension device embodiment of the present invention.As seen from the figure large magnetic suspension device by large power, electrically magnetic device 1, casing (or room) 2, buoyancy aid 3, go into buoyance lift descending mechanism 4, table top 5, control cabinet 6 and form, said large power, electrically magnetic device 1 is placed in the top of buoyancy aid 3; The wall 21 of casing 2 is provided with light source (luminous element collimating optics mirror group) F and photelectric receiver BPX, and to realize the photo-electric control to buoyancy aid 3, its control circuit is placed in the control cabinet 6;
The elevating mechanism 4 of going into to float the control subsystem of this buoyancy aid 3 is to drive a sleeve 48 by a motor G by reduction box J, be provided with a slide block 47 moving up and down in this sleeve 48, this slides and 47 to fixedly connected with the lower end of a screw mandrel 44, and this screw mandrel 44 passes the supporting that has internal thread 45 on the following table 5 and fixedlys connected with a carriage 43.The characteristics of this elevating mechanism 4 are when motor drives these sleeve 48 rotations by reduction box J, slide block 47 in this sleeve 48 also will be along with rotatablely moving, fixedly connected with it screw mandrel 44 is and then rotation also, the carriage 43 of fixedlying connected with screw mandrel 44 other ends also can rotate, owing to screw mandrel 44 passes the supporting 45 that has internal thread on the table top 5 when rotating, this screw mandrel 45 can produce the motion that rises or fall, and this screw mandrel 45 drives slide block 47 and moves up and down in sleeve 48.In a word, this cover elevating mechanism 4 can make in the carriage 43 limit uphill process and rotatablely move simultaneously, thus make buoyancy aid 3 when entering levitation position, the initial kinetic energy that can obtain to rotate.This cover mechanism is specially adapted to adopt the magnetic deflection system of the buoyancy aid that deflection magnetic force generator 51 and magnetic induction device 52 form.
This installs all control circuits and all concentrates in the control cabinet 6, can be placed in the case, also can be placed on outside the case, and control cabinet is provided with the control corresponding button, is convenient to operation.The Light Electronic Control System of present embodiment, buoyancy aid are gone into floating control procedure front and were narrated respectively, do not repeat them here.
Claims (8)
1; a kind of control system of large magnetic suspension device; comprise the buoyancy aid magnetic suspension control subsystem that constitutes by large-scale electromagnetic device; magnetic rotating disc type or bleed type buoyancy aid Spin Control subsystem; it is characterized in that buoyancy aid goes into to float control subsystem and power-off protection subsystem in addition; it is that buoyancy aid (3) enters the elevating mechanism of suspended state and the automatic control circuit of this elevating mechanism that described buoyancy aid goes into to float the control subsystem; described elevating mechanism is by driving mechanism; lifting montant (41); carriage (43) and spacing control element are formed; driving mechanism drives a lifting montant (41) and promotes the rising or the decline of described carriage (43); described lifting montant (41) appropriate location connects a transverse arm (42), and this transverse arm (42) can touch the first limit switch (L
1) and the second limit switch (L
2) the contact, described automatic control circuit is by the first limit switch (L
1) and the second limit switch (L
2), carriage stop button (AN
0), carriage rises button (AN
1), button (AN falls in carriage
2), the first contactor (P
1) and the second contactor (P
2) form, described power-off protection control subsystem is to adopt a uninterrupted power supply (ups) Unity to make stand-by power supply and and A.C. contactor (P
3) be connected in parallel on together in the ac circuit of power supply.
2, the control system of large magnetic suspension device according to claim 1 is characterized in that it is pneumatic mechanism or oil sector that described buoyancy aid goes into to float the driving mechanism of control subsystem.
3, the control system of large magnetic suspension device according to claim 1, it is characterized in that described driving mechanism is to drive a sleeve (48) rotation by a motor (G) by reduction box (J), one slide block moving up and down (47) is set in this sleeve (48), this slide block (47) is fixedlyed connected with the lower end of a screw mandrel (44), this screw mandrel (44) passes the tapped supporting (45) on the following table (5) and fixedlys connected with described carriage (43), when can make carriage drive the buoyancy aid lifting like this, buoyancy aid also can rotate with the axial rotation of carriage, also has the speed of rotation when making buoyancy aid enter the self-suspending position, to facilitate and to quicken the automatic rotation of buoyancy aid.
4, the control system of large magnetic suspension device according to claim 1 is characterized in that described power-off protection control subsystem is to adopt batteries to make stand-by power supply.
5, the control system of large magnetic suspension device according to claim 1 is characterized in that described buoyancy aid magnetic suspension control subsystem is a Light Electronic Control System, and this Light Electronic Control System comprises:
Between the ground wire of controlling power supply and positive pole, be connected with No. 0 resistance (R that is connected with ground
0), photoelectric device (BPX) and the first resistance (R that is connected with positive pole
1), wherein photoelectric device (BPX) two ends are parallel with the first electric capacity (C
1), and make resistance (R No. 0
0) and the node of photoelectric device (BPX) be node A, the first resistance (R
1) with the node of photoelectric device (BPX) be node a; The first current collection element (IC
1) negative input connect its output (b), through the second resistance (R
2) and the second electric capacity (C
2) meet the second current collection element (IC behind the parallel circuits
2) negative input, i.e. node c, the second current collection element (IC
2) positive input by the 6th resistance (R
6) ground connection, the second current collection element (IC
2) the negative input (c) and the second current collection element (IC
2) output (d) between be connected to the 5th resistance (R
5) and the 3rd electric capacity (C
3) negative-feedback circuit in parallel, the second current collection element (IC
2) output (d) through the 7th resistance (R
7) meet the first triode (BG
1) base stage, its collector electrode is through the 11 resistance (R
11) connecing the control positive source, its emitter (e) is on the one hand through the 8th resistance (R
8) ground connection, on the other hand through the 9th resistance (R
9) meet pliotron (BG
2) base stage (f), pliotron (BG
2) emitter by the tenth resistance (R
10) ground connection, the 4th electric capacity (C
4), the first diode (D
1) and electromagnetic device (Ec) be connected in parallel on pliotron (BG
2) collector electrode and large-sized DC power supply (DC) positive pole between, and the minus earth of DC power supply (DC), the second current collection element (IC
2) negative input be that node c meets the 4th potentiometer (R
4) centre tap, the 4th potentiometer (R
4) an end ground connection, the negative pole of another termination DC power supply; When photoelectric device (BPX) is arranged on the top of buoyancy aid (3), the first integrated component (IC
1) the forward input point be connected on the first resistance (R
1) and the node a place of photoelectric device (BPX).
6, the control system of large magnetic suspension device according to claim 5, when the photoelectric device (BPX) that it is characterized in that described buoyancy aid magnetic suspension control subsystem is arranged on the bottom of buoyancy aid (3), the first integrated component (IC
1) the forward input point should be connected on photoelectric device (BPX) and No. 0 resistance (R that is connected with ground
0) between node A place.
7, the control system of large magnetic suspension device according to claim 1, it is characterized in that described magnetic rotating disc type buoyancy aid Spin Control subsystem is to lay plural permanent magnet on the off-centered a certain circumference in buoyancy aid bottom, on floating downward the corresponding circumference of desktop, buoyancy aid also lays a plurality of opposite polarity permanent magnets, when desktop rotates around the buoyancy aid mass axis, drive top buoyancy aid rotation by magnetic attraction.
8, the control system of large magnetic suspension device according to claim 1, it is characterized in that described bleed type buoyancy aid Spin Control subsystem is to be laid with more than one blowing mouth on the frame wall of buoyancy aid week side, when wind buoyancy aid side, buoyancy aid is obtained continuously and rotation at the uniform velocity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021108250A CN1315253C (en) | 2002-02-08 | 2002-02-08 | Control system of large magnetic suspension plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021108250A CN1315253C (en) | 2002-02-08 | 2002-02-08 | Control system of large magnetic suspension plant |
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|---|---|
| CN1437313A CN1437313A (en) | 2003-08-20 |
| CN1315253C true CN1315253C (en) | 2007-05-09 |
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|---|---|---|---|
| CNB021108250A Expired - Fee Related CN1315253C (en) | 2002-02-08 | 2002-02-08 | Control system of large magnetic suspension plant |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102693665A (en) * | 2011-03-25 | 2012-09-26 | 唐建一 | Boxed intellectually-assembled magnetic levitation device |
| CN103268725A (en) * | 2013-06-06 | 2013-08-28 | 雷建设 | High-voltage control magnetic suspension teaching demonstration instrument |
| US9720204B2 (en) * | 2013-12-04 | 2017-08-01 | Lg Innotek Co., Ltd. | Motor for actuating lens |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1267121A (en) * | 2000-04-07 | 2000-09-20 | 唐建一 | Magnetic suspension equipment and its control system |
| CN2402058Y (en) * | 1999-12-29 | 2000-10-18 | 唐建一 | Magnetic suspension device |
| CN2569439Y (en) * | 2002-02-08 | 2003-08-27 | 唐建一 | Control system of large magnetic suspension device |
-
2002
- 2002-02-08 CN CNB021108250A patent/CN1315253C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2402058Y (en) * | 1999-12-29 | 2000-10-18 | 唐建一 | Magnetic suspension device |
| CN1267121A (en) * | 2000-04-07 | 2000-09-20 | 唐建一 | Magnetic suspension equipment and its control system |
| CN2569439Y (en) * | 2002-02-08 | 2003-08-27 | 唐建一 | Control system of large magnetic suspension device |
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| CN1437313A (en) | 2003-08-20 |
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