CN208938458U - A kind of floating experiment instrument of two axis dynamic magnetics - Google Patents
A kind of floating experiment instrument of two axis dynamic magnetics Download PDFInfo
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- CN208938458U CN208938458U CN201821227627.0U CN201821227627U CN208938458U CN 208938458 U CN208938458 U CN 208938458U CN 201821227627 U CN201821227627 U CN 201821227627U CN 208938458 U CN208938458 U CN 208938458U
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Abstract
The utility model discloses a kind of two axis dynamic magnetics to float experiment instrument.Unit and photogrammetric component are floated including adjustable aluminium table, two axis dynamic magnetics, two axis dynamic magnetics are suspended in above adjustable aluminium table when floating unit work, and photogrammetric component is fixed by the bracket in adjustable aluminium table;Photogrammetric component includes high-speed motion picture camera, camera stand and plane coordinates paper;Two axis dynamic magnetics are floated in unit, upper carbon fiber body plate is equipped with energy source, counterweight balance plate is housed around energy source, upper carbon fiber body plate is equipped with control assembly, two pedestals, DC brushless motor is installed on pedestal, DC brushless motor is connected with magnetic propeller coaxial, and lower carbon fiber body plate installs magnetic propeller;Magnetic propeller includes plastic wrapper and magnetic cylinder insert, and magnetic cylinder insert is housed on plastic wrapper.The experiment instrument of the utility model is a kind of new instrument, has opened up the range of original related experiment, and one-dimensional experiment is generalized to two dimension, has researching value.
Description
Technical field
The utility model relates to a kind of Physical Experiment measuring instruments, more particularly, to a kind of floating experiment of two axis dynamic magnetics
Instrument.
Background technique
Usually very approximatively (air drag influence) meets newton law of inertia out to the movement of object friction free.At this
Under the premise of, many physical and mechanical experiments are carried out.In order to design a kind of friction free experiment porch, this instrument uses permanent magnetism
The mode that body dynamic rotary generates mirror image repulsion magnetic pole makes object suspend, while reversely rotating balancing moments by two bearings,
To reach it is stable do not contact, friction free effect.
Projectile motion experiment and collision experiment are always the experiment content that College Physics must be opened.Each colleges and universities are most now
Projectile motion is all to rarely have on perpendicular and do the trial of projectile motion on inclined-plane.And collision experiment be all based on greatly it is one-dimensional
Air track.Collision is limited in one degree of freedom and cannot not only intergrate with practice well by this guide rail, but also is substantially reduced
The verifying range (such as oblique impact) of collision experiment.Student is just not achieved the understanding of physical law by experiment careful deep
Effect.The above laboratory apparatus is required to improve and be promoted, to adapt to current student to the new demand of physical experiment course in universities.This is also tired
Disturb one of the biggest problem of University Laboratory Construction now;Upgrading optimization, it is imperative.
Utility model content
In order to solve the problems, such as background technique, the utility model provides a kind of floating experiment instrument of two axis dynamic magnetics,
Using the experiment of camera style measurement inclined-plane projectile motion and two dimension collision process.
The technical solution adopted in the utility model is:
Experiment instrument includes adjustable aluminium table, two axis dynamic magnetics float unit and photogrammetric component, two axis dynamic magnetics float unit work
As when be suspended in above adjustable aluminium table, photogrammetric component is fixed by the bracket in adjustable aluminium table;The adjustable aluminium table includes
Aluminium sheet and the baffle guardrail of aluminium sheet surrounding, four support columns for being arranged in aluminium sheet quadrangle, support column can separately adjustable height;Institute
The photogrammetric component stated includes high-speed motion picture camera, camera stand and plane coordinates paper, and high-speed motion picture camera passes through video camera branch
Frame is fixed on right above adjustable aluminium table center, and the surface of aluminum plate center of the positive alignment downward of high-speed motion picture camera camera lens is adjustable aluminium table is put down
Areal coordinate paper is laid on aluminium sheet.
It includes upper carbon fiber body plate and lower carbon fiber body plate, upper carbon fiber fuselage that the two axis dynamic magnetics, which float unit,
Plate is fixedly connected integrally with lower carbon fiber body plate by four connection aluminium columns that surrounding is arranged;Table on upper carbon fiber body plate
Energy source is installed, the upper carbon fiber body plate around energy source is equipped with counterweight balance plate, upper carbon fiber body plate among face
Control assembly is installed, the two sides installation of upper carbon fiber body plate lower surface is there are two pedestal, on each pedestal among lower surface
One DC brushless motor is installed, the output shaft of each DC brushless motor is connected with a magnetic propeller coaxial downward, lower carbon
Fiber body plate surface is opened there are two the through-hole that is arranged symmetrically, is respectively mounted magnetic propeller in through-hole;By DC brushless motor side
It is mounted on electron speed regulator, electron speed regulator is connected with control assembly, and the control assembly includes section board, electric machine controller
And signal receiver, the input channel port of signal receiver and electric machine controller are correspondingly connected with, the output of electronic controller is logical
Road port and the speed regulation port of electron speed regulator are correspondingly connected with, and the supply port of electric machine controller and electron speed regulator is through section board
It is connected with energy source.
The magnetic propeller includes plastic wrapper and magnetic cylinder insert, on plastic wrapper circumferentially uniformly at intervals
Ground is provided with eight cylindrical holes, and magnetic cylinder insert, the pole orientation of each magnetism cylinder insert are housed in cylindrical hole
Along perpendicular to upper and lower carbon fiber body plate surface layout, two neighboring magnetism cylinder insert both ends pole polarity arrangement is opposite.
The energy source is a lithium polymer battery, is connect with section board master port, and section board parallel connection mouth is again respectively and electric
Machine controller is connected with the supply port of electron speed regulator.
The signal receiver is connected with external remote controler, is sent motion control signal by remote controler and is received to signal
It machine and then controls two axis dynamic magnetics and floats unit and suspend on adjustable aluminium table movement.
The support column has altitude scale, for measuring support column elongation.
The quadrangle of the upper carbon fiber body plate and lower carbon fiber body plate is provided with aluminium column screw hole, upper carbon fiber body plate
By connection aluminium column connection between the aluminium column screw hole of lower carbon fiber body plate, so that upper carbon fiber body plate and lower carbon fiber
It ties up fixed between body plate.
The counterweight balance plate is cross frame, and energy source blocks fixation by cross frame.
The beneficial effects of the utility model are:
The utility model devises a kind of floating unit of novel two axis dynamic magnetic, and the experiment instrument of composition is a kind of new instrument,
One-dimensional experiment is generalized to two by the theoretical range for complying fully with and having opened up original related experiment in design principle and textbook
Dimension;It can accomplish that experiment does not depart from books and novelty has scalability, also be readily appreciated that and show.
The utility model also provides the platform of technical research for the transmission of non-pneumatic suspension simultaneously, helps to design and develop vacuum
Environment medium or low resistance Buddhist nun's transmitting device.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of magnetic propeller.
Fig. 2 is the schematic bottom view of magnetic propeller.
Fig. 3 is the structure surveys view that two axis dynamic magnetics float unit.
Fig. 4 is the structure top view that two axis dynamic magnetics float unit.
Fig. 5 is the structure bottom view that two axis dynamic magnetics float unit.
Fig. 6 is that two axis dynamic magnetics being completed float unit schematic diagram.
Fig. 7 is the line schematic diagram that two axis dynamic magnetics float unit.
Fig. 8 is utility model device signal and inclined throw movements working principle diagram.
Fig. 9 is the utility model two-dimensional surface collision working principle diagram.
In figure: 1, counterweight balance plate, 2, aluminium column screw hole, 3, control assembly, 4, lithium polymer battery, 5, pedestal, 6, direct current
Brushless motor, 7, upper carbon fiber body plate, 8, electron speed regulator, 9, magnetic propeller, 10, lower carbon fiber body plate, 11, connection
Aluminium column, 12, plastic wrapper, 13, cylindrical hole, 14, magnetic cylinder insert, 101, adjustable aluminium table, 102, aluminium sheet, 103, two axis
Dynamic magnetic floats unit, 104, high-speed motion picture camera, 105, camera stand, 106, support column.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is described in further detail the utility model.
As shown in Figure 8 and Figure 9, the instrument of the utility model specific implementation includes adjustable aluminium table 101, the floating machine of two axis dynamic magnetics
Group 103 and photogrammetric component, adjustable aluminium table 101 are placed in the horizontal plane, and two axis dynamic magnetics are floated when unit 103 works and are suspended in
Adjustable 101 top of aluminium table.When suspension, two axis dynamic magnetics are floated gap between unit 103 and the aluminium sheet 102 of adjustable aluminium table 101 and are stablized
In certain distance.High-speed motion picture camera 104 is fixed on adjustable aluminium table 101 by camera stand 105, and high-speed motion picture camera 104 can connect
The position of continuous record two axis dynamic magnetic suspension unit 103 of different moments.
As shown in Figure 8 and Figure 9, adjustable aluminium table 101 includes the baffle guardrail of 102 surrounding of aluminium sheet 102 and aluminium sheet, is arranged in
102 4 jiaos of aluminium sheet of four support columns 106, support column 106 can separately adjustable height, support column 106 has altitude scale, for surveying
Measure support column elongation.Photogrammetric component includes high-speed motion picture camera 104, camera stand 105 and plane coordinates paper, is taken the photograph at a high speed
Shadow machine 104 is fixed on right above adjustable 101 center of aluminium table by camera stand 105, and adjustment height makes high-speed motion picture camera 104
Coverage may include entire 102 plane of aluminium sheet.Camera stand 105 is fixed on by adjustable aluminium table 101, high-speed motion picture camera 104
102 centre of surface of aluminium sheet of camera lens positive alignment downward is adjustable aluminium table 101, plane coordinates paper are laid on aluminium sheet 102.
As shown in Fig. 3~Fig. 6, it includes upper carbon fiber body plate 7 and lower carbon fiber body plate that two axis dynamic magnetics, which float unit 103,
10, upper carbon fiber body plate 7 and lower carbon fiber body plate 10 are fixedly connected into one by multiple connection aluminium columns 11 that surrounding is arranged
The quadrangle of body, upper carbon fiber body plate 7 and lower carbon fiber body plate 10 is provided with aluminium column screw hole 2, upper carbon fiber body plate 7 and lower carbon
It is connected between the aluminium column screw hole 2 of fiber body plate 10 by connection aluminium column 11, so that upper carbon fiber body plate 7 and lower carbon fiber
It ties up fixed between body plate 10.
Energy source is installed among upper 7 upper surface of carbon fiber body plate, upper carbon fiber body plate 7 installation around energy source
There is counterweight balance plate 1, counterweight balance plate 1 is cross frame, and energy source blocks fixation by cross frame.It will appear counterweight after starting
Unevenly cause hull rotation there are torque, passes through and adjust the realization fuselage balance elimination rotation of counterweight balance plate 1.
Control assembly 3, the two sides of upper 7 lower surface of carbon fiber body plate are installed among upper 7 lower surface of carbon fiber body plate
Installation is equipped with a DC brushless motor 6, the output shaft court of each DC brushless motor 6 on each pedestal 5 there are two pedestal 5
The lower central coaxial with a magnetic propeller 9 connects, and lower 10 surface of carbon fiber body plate is opened there are two the through-hole being arranged symmetrically, and is led to
Magnetic propeller 9 is respectively mounted in hole;Electron speed regulator 8, electron speed regulator 8 and control are mounted on by 6 side of DC brushless motor
Component 3 connects, and control assembly includes section board, electric machine controller and signal receiver, signal receiver and electric machine controller
Input channel port is correspondingly connected with, and the output channel port of electronic controller and the speed regulation port of electron speed regulator are correspondingly connected with,
Electric machine controller is connected through section board with energy source with the supply port of electron speed regulator.
Such as Fig. 3, wherein DC brushless motor 6 is fastenedly connected by firm banking 5 and upper carbon fiber body plate 7, remaining
Component can be fixed by the adhesion of strong double-face adhesive tape or screw.Upper and lower plates are to be connected by upper carbon fiber body plate through aluminium column screw hole 2
Connect fixation.
Signal receiver is connected with external remote controler, passes through 2.4GHz communication of electromagnetic signals.Remote controler and signal receive
Machine after code checking can wireless control, by remote controler send motion control signal to signal receiver so that control two axis dynamic magnetics
Floating unit 103 is freely suspended on adjustable aluminium table 101, is moved.
As shown in fig. 7, energy source is a lithium polymer battery 4, it is connect with section board master port, section board parallel connection mouth divides again
Not connected with electric machine controller with the supply port of electron speed regulator.When electron speed regulator is connect with DC brushless motor 6, pass through
The current output terminal mouth of electron speed regulator connect completion with the current input terminal mouth of DC brushless motor 6.
As depicted in figs. 1 and 2, magnetic propeller 9 includes wear-resisting plastic wrapper 12 and magnetic cylinder insert 14, plastics
It circumferentially uniformly at intervals, is symmetrically provided with eight cylindrical holes 13 on housing 12, magnetic cylinder is housed in cylindrical hole 13
Insert 14, the pole orientation of each magnetism cylinder insert 14 is along perpendicular in upper and lower carbon fiber body plate 7,10 surface cloth
It sets, that is, is parallel to the output shaft of DC brushless motor 6, two neighboring 14 both ends pole polarity of magnetism cylinder insert arranges phase
Instead, eight magnetic cylinder inserts are arranged in a manner of centrosymmetric in the cylindrical hole 13 of insertion plastic wrapper 12.
When two axis dynamic magnetics float the work of unit 103, two DC brushless motors 6 drive the magnetic propeller 9 of lower section respectively
It rotates in a reverse direction.The movement of magnetic cylinder insert 14 can incude in aluminium sheet 102 induces vortex, thus being not necessarily to
The magnetic field repelled each other with magnetic propeller 9 is generated in the case of additional electromagnetic field.Unit is floated to two axis dynamic magnetics by the magnetic field of vortex
103 apply the magnetic force for overcoming gravity, enable two axis dynamic magnetics to float unit 103 and are steadily suspended on aluminium sheet 102.Two axis dynamic magnetics
Floating unit 103 is suspended on aluminium sheet 102 and carries out in motion process, records two axis dynamic magnetics using high-speed motion picture camera and floats unit 103
Motion process.Data analysis, which is carried out, by the position that the two axis dynamic magnetics recorded to each moment float unit 103 completes gravity
The measurement of acceleration and the verifying of the conservation of momentum.
The embodiments of the present invention and implementation process are as follows:
As shown in Figure 1, the magnetic propeller part that the magnetic in the utility model floats unit is by one group (eight) magnetic circles
Column insert is successively replaced with S grades towards bottom surface with N grades arranges what insertion plastic sheath was constituted, and arrangement mode in this way can obtain
Neodymium iron boron strong magnet can be selected in the Distribution of Magnetic Field that must optimize, magnet.In the utility model, d=15.0mm, D=75.0mm, R=
17.5mm。
1) inclined throw movements
1.1) firstly, adjustable aluminium table 101 is placed on horizontal table top, the height by adjusting four support columns 106 makes
Desktop three reach horizontality apart from farther away level meter.At this moment 104 high-speed motion picture cameras are set up and is stablized, by adjusting height
Degree is so that coverage includes entire aluminium desktop, and video camera is adjusted level.The length on two sides of aluminium table is measured by meter ruler,
In this, as the length scale of video camera shooting picture, video camera is equivalent to two-dimensional surface linear measure longimetry sampling instrument.
Then by two support column tune of four support columns of quadrangle wherein two support columns of the same side and other side
Whole fixation after being different height, so that the inclined angle Cl of aluminium sheet 102 is arranged to form inclined-plane;
Two support columns positioned at any the same side make them change identical height h, measure the branch of height different height
The spacing L of support obtains inclination angle theta=arctan (h/L) of desktop in this way, realizes the effect that θ is adjusted by changing h.
1.2) magnetic is floated into unit and puts aluminium table, unit is opened by remote controler, adjustment counterweight plate stablizes fuselage.It opens
High-speed motion picture camera is opened, oblique top touches two axis dynamic magnetics and floats unit 103 and make its free movement.Open a two axis dynamic
Magnetic floats unit 103 and works, and is maintained on aluminium sheet 102 and suspends, and two axis dynamic magnetics are floated unit 103 simultaneously along 102 inclined-plane of aluminium sheet
It inclined direction and is moved along perpendicular to the arbitrary speed of 102 inclined-plane inclined direction of aluminium sheet.
When two axis dynamic magnetics, which float unit 103, is acted on progress inclined throw movements by weight component, its position is by video camera reality
When capture, time interval Δ t is determined by video camera sample rate, the video camera sampling interval be Δ t=0.04s.When two axis dynamic magnetics
Surrounding's baffle that floating unit 103 touches adjustable aluminium table stops shooting.
1.3) high-speed motion picture camera 104 is opened when moving records the motion process that two axis dynamic magnetics float unit 103, two axis dynamic
The shooting interval that magnetic floats adjacent two frame in unit 103 is Δ t, each record moment tiPass through two axis dynamic magnetics in image down
It is r that position of floating 103 center of unit in graph paper, which obtains two axis dynamic magnetics and float the real time position of unit 103,i(xi,yi), xiWith
yiIt respectively represents two axis dynamic magnetic of the i-th moment and floats unit 103 along two orthogonal transverse and longitudinal direction exAnd eyCoordinate, such as Fig. 8
It is shown.
1.4) according to each record moment tiAnd its real time position riDraw x-t transverse direction-time datagram and y-t2Vertical side
To-time datagram, the slope in straight line for taking x-t transverse direction-time datagram to draw floats machine as two axis dynamic magnetics
Group 103 is along transverse direction exThe velocity component v in directionx, take y-t2The 2 of slope in the straight line that transverse direction-time datagram is drawn
Unit 103 is floated along longitudinal direction e as two axis dynamic magnetics againyThe acceleration a in direction.
In specific implementation, y-t is taken to erect y in the curve that direction-time datagram is drawniThe maximum point conduct of coordinate
Critical inflection point, when record of critical inflection point, inscribe two axis dynamic magnetics and float unit 103 along longitudinal direction eyDirection velocity component is zero.With
This moment is new time zero, then draws y-t2The straight line that datagram will obtain.According to Newton's second law, straight line is oblique
2 times of rate are then the acceleration a of projectile motion.
1.5) the experiment value g for calculating acceleration of gravity is g=a/sin θ, then passes through experiment value g and theoretical value g0Compare meter
Calculation obtains relative error: | g-g0|/g0× 100%, g0Indicate the theoretical value of local gravitational acceleration;
L=582.0mm is arranged in embodiment, and h=47.0,73.0,107.9mm height adjustment desktop inclination angle is respectively adopted.
Mean gravity acceleration g in the case of calculating three kindsIt is flat=9.67m/s2.Check in local gravitational acceleration g0=
9.7936m/s2, obtain experiment value and theoretical value error are as follows:
|gIt is flat-g0|/g0× 100%=1.3%
This embodiment demonstrates the size of acceleration of gravity by inclined throw movements, illustrate utility model accuracy and
Validity.
2) two dimension collision-conservation of momentum
2.1) initial procedure with it is 1.1) identical, and adjust and make tilt angle theta=0 of adjustable aluminium table 101.
1.2) two two axis dynamic magnetics are floated into 103 (M of unit1,M2) aluminium table is put, unit is opened by remote controler, adjustment is flat
Weighing apparatus Weight plate stablizes fuselage.High-speed motion picture camera is opened, monoclinic phase makes it certainly to the floating unit 103 of two two two axis dynamic magnetics is touched
By moving and colliding.In the process two two two axis dynamic magnetics float unit 103 not and influenced by gravity and frictional force and
Free movement, the moment only collided, they interacted.
Two two axis dynamic magnetics float the position of unit 103 by video camera real-time capture, and time interval Δ t is sampled by video camera
Rate determines that the video camera sampling interval is Δ t=0.04s.Baffle around adjustable aluminium table is touched when the floating unit 103 of two axis dynamic magnetics to stop
Only shoot.
2.2) two two axis dynamic magnetics then, are opened and float the work of unit 103, is maintained on aluminium sheet 102 and suspends, by two two
Axis dynamic magnetic floats 103 random motion of unit and collides, and generates collision accident.
2.3) high-speed motion picture camera 104 is opened when moving records the motion process that two axis dynamic magnetics float unit 103, two axis dynamic
The shooting interval that magnetic floats adjacent two frame in unit 103 is Δ t, each record moment tiPass through two axis dynamic magnetics in image down
Floating position of 103 center of unit in graph paper obtains two two axis dynamic magnetics and floats the real time position of unit 103 to be respectively r1i
(x1i,y1i) and r2i(x2i,y2i), x1iAnd y1iIt respectively represents one of them two axis dynamic magnetic of the i-th moment and floats unit 103 along two phases
Mutually vertical transverse and longitudinal direction exAnd eyCoordinate, x2iAnd y2iIt respectively represents another two axis dynamic magnetic of the i-th moment and floats 103 edge of unit
Two orthogonal transverse and longitudinal direction exAnd eyCoordinate, as shown in Figure 9.
2.4) the instantaneous of unit 103 is floated as two two axis dynamic magnetics using the average speed in the following calculating Δ t time
Speed:
v1i=((x1i-x1i-1)/Δt,(y1i-y1i-1)/Δt)
v2i=((x2i-x2i-1)/Δt,(y2i-y2i-1)/Δt)
Wherein, x1i-1And y1i-1It is mutual along two to respectively represent the floating unit 103 of one of them two axis dynamic magnetic of the (i-1)-th moment
Vertical transverse and longitudinal direction exAnd eyCoordinate, x2i-1And y2i-1It respectively represents another two axis dynamic magnetic of the (i-1)-th moment and floats unit
103 along two orthogonal transverse and longitudinal direction exAnd eyCoordinate, v1i,v2iIt respectively indicates two two axis dynamic magnetics and floats unit 103
Instantaneous velocity.
The instantaneous velocity v for colliding former and later two two axis dynamic magnetics and floating unit 103 is calculated using above-mentioned formula1o,v2oAnd v1t,
v2t, the conjunction momentum that two two axis dynamic magnetics float the collision of unit 103 front and back is calculated using following formula:
P1=M1v1o+M2v2o
P2=M1v1t+M2v2t
Wherein, M1And M2Respectively indicate the quality that two two axis dynamic magnetics float unit 103, v1o,v1tBefore respectively indicating collision
One of them two axis dynamic magnetic floats the instantaneous velocity of unit 103, v afterwards2o,v2tRespectively indicate collision front and back another two axis dynamic
Magnetic floats the instantaneous velocity of unit 103, and P1 and P2 respectively indicate the conjunction momentum of collision front and back.
The difference for comparing conjunction the momentum P1 and P2 of collision front and back, calculates are as follows:
δP=2 | P1-P2 |/| P1+P2 | × 100%.
The conjunction momentum of former and later two suspension units, and the δ passed through are collided by comparisonPSize confirmatory experiment illustrates momentum
Law of conservation.
It can be seen that the accuracy and validity of the utility model, have prominent significant technical effect.In laboratory apparatus
The floating unit of the dynamic magnetic of use can guarantee not to be contacted with other objects, to eliminate extraneous frictional force, ensure that the feasible of experiment
Property.
Claims (5)
1. a kind of two axis dynamic magnetics float experiment instrument, it is characterised in that: float unit including adjustable aluminium table (101), two axis dynamic magnetics
(103) it is suspended in above adjustable aluminium table (101) when floating unit (103) work with photogrammetric component, two axis dynamic magnetics, photography is surveyed
Amount component is fixed by the bracket in adjustable aluminium table (101);
The adjustable aluminium table (101) includes the baffle guardrail of aluminium sheet (102) and aluminium sheet (102) surrounding, is arranged in aluminium sheet
(102) four support columns (106) of quadrangle, support column (106) can separately adjustable height;The photogrammetric component includes height
Fast video camera (104), camera stand (105) and plane coordinates paper, high-speed motion picture camera (104) pass through camera stand (105)
It is fixed on right above adjustable aluminium table (101) center, the aluminium of the positive alignment downward of high-speed motion picture camera (104) camera lens is adjustable aluminium table (101)
Plate (102) centre of surface, plane coordinates paper are laid on aluminium sheet (102);
It includes upper carbon fiber body plate (7) and lower carbon fiber body plate (10), upper carbon that the two axis dynamic magnetics, which float unit (103),
Fiber body plate (7) and lower carbon fiber body plate (10) are fixedly connected into one by four connection aluminium columns (11) that surrounding is arranged
Body;Energy source is installed among upper carbon fiber body plate (7) upper surface, upper carbon fiber body plate (7) installation around energy source
Have counterweight balance plate (1), is equipped with control assembly (3) among upper carbon fiber body plate (7) lower surface, upper carbon fiber body plate
(7) there are two the two sides installations of lower surface pedestal (5), a DC brushless motor (6), Mei Gezhi are installed on each pedestal (5)
The output shaft for flowing brushless motor (6) is coaxially connected with a magnetic propeller (9) downward, and lower carbon fiber body plate (10) surface is provided with
Two through-holes being arranged symmetrically are respectively mounted magnetic propeller (9) in through-hole;Electronics is mounted on by DC brushless motor (6) side
Governor (8), electron speed regulator (8) and control assembly (3) connection, the control assembly include section board, electric machine controller and
The input channel port of signal receiver, signal receiver and electric machine controller is correspondingly connected with, the output channel of electronic controller
Port and the speed regulation port of electron speed regulator are correspondingly connected with, the supply port of electric machine controller and electron speed regulator through section board and
Energy source connection;
The magnetic propeller (9) includes plastic wrapper (12) and magnetic cylinder insert (14), edge on plastic wrapper (12)
Circle spacing is provided with eight cylindrical holes (13) in uniform way, and magnetic cylinder insert (14) is housed in cylindrical hole (13), each
The pole orientation of magnetic cylinder insert (14) is along perpendicular to upper and lower carbon fiber body plate (7,10) surface layout, two neighboring magnetic
Property cylinder insert (14) both ends pole polarity arrangement it is opposite.
2. a kind of two axis dynamic magnetic according to claim 1 floats experiment instrument, it is characterised in that: the energy source is poly- for a lithium
It closes object battery (4), is connect with section board master port, the confession with electric machine controller and electron speed regulator respectively again of section board parallel connection mouth
Electric port connection.
3. a kind of two axis dynamic magnetic according to claim 1 floats experiment instrument, it is characterised in that: the support column (106)
There is altitude scale.
4. a kind of two axis dynamic magnetic according to claim 1 floats experiment instrument, it is characterised in that: the upper carbon fiber fuselage
The quadrangle of plate (7) and lower carbon fiber body plate (10) is provided with aluminium column screw hole (2), upper carbon fiber body plate (7) and lower carbon fiber machine
By connection aluminium column (11) connection between the aluminium column screw hole (2) of body (10), so that upper carbon fiber body plate (7) and lower carbon
It is fixed between fiber body plate (10).
5. a kind of two axis dynamic magnetic according to claim 1 floats experiment instrument, it is characterised in that: the counterweight balance plate
It (1) is cross frame, energy source blocks fixation by cross frame.
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Cited By (1)
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CN109147510A (en) * | 2018-08-01 | 2019-01-04 | 浙江大学 | Two axis dynamic magnetics float experiment instrument and measurement method |
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CN109147510A (en) * | 2018-08-01 | 2019-01-04 | 浙江大学 | Two axis dynamic magnetics float experiment instrument and measurement method |
CN109147510B (en) * | 2018-08-01 | 2023-09-05 | 浙江大学 | Two-axis dynamic magnetic levitation experiment instrument and measuring method |
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