CN109780109A - Electromagnetic damper structure and electromagnetic damper - Google Patents
Electromagnetic damper structure and electromagnetic damper Download PDFInfo
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- CN109780109A CN109780109A CN201910175540.6A CN201910175540A CN109780109A CN 109780109 A CN109780109 A CN 109780109A CN 201910175540 A CN201910175540 A CN 201910175540A CN 109780109 A CN109780109 A CN 109780109A
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Abstract
The application discloses a kind of electromagnetic damper structure and electromagnetic damper.Including damping matrix, rotary substrate, pedestal, magnetic field structure, stator structure and rotor structure, rotary substrate movably cooperates with damping matrix, rotary substrate is rotatablely arranged at pedestal, magnetic field structure is set to pedestal and limits magnetic field space, stator structure is set to pedestal and is located in magnetic field space, stator structure is configured to external energy consuming circuitry, rotor structure is fixed on rotary substrate, and it is located in magnetic field space, damping matrix is configured to can be along the reciprocating axially with respect to rotary substrate of rotary substrate and the axis rotation for making rotary substrate around rotary substrate.The problem of technical solution disclosed in the present application can solve existing electromagnetic damper structure is complicated.
Description
Technical field
This application involves damper technique fields, in particular to a kind of electromagnetic damper structure and electromagnetic damping
Device.
Background technique
When spacecraft interacts docking, need to carry out to impact unloading and buffering using damper, it is traditional it is viscous,
Viscoelastic damper is due to its sealing and friction etc., and it is short that there are service lifes, it is difficult to which the problem of repairing, which limits biographies
Viscous, the application that viscoelastic damper is in space field of system.
Electromagnetic damper at work, it is primary with it is secondary do not contact, high reliablity, long service life, therefore substantially may be used
To meet the condition of space field work.And the temperature in space is extremely low, therefore the conductivity enhancing of conductor plate, and then improves
The performance of electromagnetic damper.
However, structure is complicated for existing electromagnetic damping.
Summary of the invention
This application provides a kind of electromagnetic damper structure and electromagnetic dampers, for solving existing electromagnetic damper
The problem of structure is complicated.
In a first aspect, providing a kind of electromagnetic damper structure, including damping matrix, rotary substrate, pedestal, magnetic field knot
Structure, stator structure and rotor structure, rotary substrate movably cooperate with damping matrix, and rotary substrate is rotatablely arranged at
Pedestal, magnetic field structure are set to pedestal and limit magnetic field space, and stator structure is set to pedestal and is located in magnetic field space, stator
Structure is configured to external energy consuming circuitry, and rotor structure is fixed on rotary substrate, and is located in magnetic field space, damps matrix by structure
It makes as can be along the reciprocating axially with respect to rotary substrate of rotary substrate and the axis for making rotary substrate around rotary substrate
Rotation.
In above scheme, electromagnetic damper structure is the part-structure of electromagnetic damper, wherein in electromagnetic damper structure
Stator structure can external energy consuming circuitry to constitute complete electromagnetic damper.Damping matrix is the knot for directly bearing external force
Structure, when external force is when damping matrix, that is, external force is continuously applied when damping matrix and to damp matrix relative to rotation
Substrate motion can make rotary substrate rotate around the axis of itself since damping matrix is relative to rotary substrate setting in motion,
At this point, the relative position of stator structure and rotor structure can occur continuously to change, that is, if due to magnetic field space presence and
Stator structure is connected with energy consumption resistor at this time, the magnetic flux between stator structure and rotor structure can be made persistently to change, electronics
Structure can generate induced electromotive force, and induced current can be generated in energy consuming circuitry and electric energy can be consumed by energy consuming circuitry itself, fixed
Minor structure interacts with rotor structure, generation electromagnetic damping torque, therefore the rotation of rotor structure, that is, rotary substrate
Rotation can be suppressed, that is, damping matrix can make damping matrix can external mechanical resistance since the movement of rotary substrate is suppressed
Buddhist nun.
In one possible implementation, damping matrix is touched end and driving end with opposite, and damping matrix has
Driving section, transmission portion is in being touched between end and driving end；
Rotary substrate has opposite driven end and turning end, and turning end rotationally cooperates with pedestal, rotary substrate tool
There is follower, follower is between driven end and turning end；
Follower movably cooperates with driving section.
In above-mentioned technical proposal, a kind of structure in the cards of damping matrix and rotary substrate is provided, wherein damping
Matrix and rotary substrate pass through the cooperation of driving section and follower, if damping matrix is moved with rotary substrate relatively, meeting
So that rotary substrate is rotated.
In one possible implementation, the inside for damping matrix has cavity, and cavity is from driving end to by touching end
Side upwardly extends, and driving section is the internal screw thread being opened on cavity inner wall, and internal screw thread prolongs along by end is touched to the direction of driving end
It stretches；Follower is the ball for being set to rotary substrate peripheral wall, the outer profile at least partly protruding from rotary substrate of ball and with
Screw-internal thread fit.
In above-mentioned technical proposal, a kind of driving section and follower structure in the cards are provided, wherein driving section is to set
It is placed in the internal screw thread of the cavity inner wall of damping intrinsic silicon, follower is the ball for being set to the peripheral wall of rotary substrate, rotates base
Body is placed in the cavity of damping matrix, since ball and internal screw thread cooperate, when damping matrix is opposite with rotary substrate direction
When movement, ball can be moved along the extending direction of internal screw thread, at this point, damping the internal screw thread energy of matrix due to the presence of cavity
Ball is enough acted on, so that the spiral motion profile movement of rotary substrate, so that rotary substrate rotates.
In one possible implementation, rotary substrate includes first part and second part, first part and second
Section transmission connection；
Ball is set to the peripheral wall of first part, and second part is rotatably coupled with pedestal, and rotor structure is fixed on
Two parts.
In above-mentioned technical proposal, a kind of specific structure in the cards of rotary substrate is provided, by setting rotary substrate
Be calculated as separation and the first part that can be sequentially connected and second part, so that when damping matrix and being transmitted in rotary substrate, the
A part can accept the power of damping matrix effectively to rotate, and second part is effectively performed and is turned
It is dynamic.
Optionally, in one possible implementation, the end face of the close second part of first part is provided with first
Ratchet, the end face of the close first part of second part are provided with the second ratchet, the first ratchet and the second ratchet engagement.
In one possible implementation, stator structure includes multiple stator salient poles and coil；
Magnetic field structure includes multiple permanent magnets；
Multiple stator salient poles successively replace with multiple permanent magnets to be connected and around in closed loop configuration, coil and stator salient poles one
One is corresponding, and coil is set to the salient pole of stator salient poles and is located in closed loop configuration.
In above-mentioned technical proposal, the specific structure composition of a kind of stator structure in the cards and magnetic field structure is provided, it is more
A stator salient poles successively replace with multiple permanent magnets connects and composes a closed loop configuration, and the coil in stator salient poles can be effective
Ground generates induced electromotive force, and due to the presence of salient-pole structure, interaction is generated between rotor structure and stator structure
Electromagnetic damping torque can be promoted effectively.
Optionally, in one possible implementation, rotor structure includes rotor matrix and multiple salient-pole structures, is turned
Subbase body is arranged and is fixed on the peripheral wall of rotary substrate, and multiple salient-pole structures are arranged at intervals at the peripheral wall of rotor matrix.
It is salient-pole structure by stator structure and rotor structure in above-mentioned technical proposal, so that rotor structure and stator
The electromagnetic damping torque of generation of interacting between structure can be promoted effectively.
In one possible implementation, pedestal includes base enclosure and end cap, and magnetic field structure and stator structure are set to
In the internal cavities of base enclosure, end cap lid closes base enclosure, and the bottom plate of rotary substrate and base enclosure is rotatably engaged and runs through end cap.
In above-mentioned technical proposal, a kind of structure that can be realized pedestal is provided, passes through base enclosure and two portions separated of end cap
Part and the pedestal collectively formed, can be easily assembled magnetic field structure, stator structure, rotor structure and rotary substrate.Meanwhile
Due to for two independent components, therefore, in terms of the manufacturing, manufacturing cost can be effectively reduced, improve production efficiency, and
In later period use aspect, maintenance replacement can be easily carried out.
In one possible implementation, electromagnetic damper structure includes resetting-mechanism, and resetting-mechanism is set to damping
Between matrix and pedestal, resetting-mechanism is configured such that damping matrix has the trend far from base motion.
In above-mentioned technical proposal, by resetting-mechanism, it can effectively increase the damping of electromagnetic damper structure, and
And when the external force being applied on damping matrix is cancelled, resetting-mechanism enables to damping matrix to return back to initial position.
Second aspect, provides a kind of electromagnetic damper, and electromagnetic damper includes energy consuming circuitry and first aspect and
Electromagnetic damping structure in the possible implementation of any one in one side.Energy consuming circuitry and stator structure are electrically connected.
In above-mentioned technical proposal, stator structure and energy consuming circuitry in electromagnetic damper structure are electrically connected complete to constitute
Electromagnetic damper.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only some embodiments of the application, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is structural schematic diagram of the electromagnetic damping structure under the first visual angle in the embodiment of the present application；
Fig. 2 is structural schematic diagram of the electromagnetic damping structure under the second visual angle in the embodiment of the present application；
Fig. 3 is the structural schematic diagram that matrix and rotary substrate are damped in the embodiment of the present application；
Fig. 4 is the structural schematic diagram of rotary substrate in the embodiment of the present application；
Fig. 5 is the structural schematic diagram of stator structure in the embodiment of the present application；
Fig. 6 is the structural schematic diagram of rotor structure in the embodiment of the present application；
Fig. 7 is the structural schematic diagram of pedestal in the embodiment of the present application；
Fig. 8 is the schematic diagram of energy consuming circuitry in the embodiment of the present application.
Icon: 10- electromagnetic damping structure；11- damps matrix；12- rotary substrate；13- pedestal；14- magnetic field structure；15-
Stator structure；16- rotor structure；17- resetting-mechanism；20- energy consuming circuitry；The first ratchet of 80-；The second ratchet of 81-；82- protruding shaft；
90- first part；91- second part；110- is touched end；111- driving end；The driving section 112-；120- driven end；121- rotation
End；122- follower；130- base enclosure；131- end cap；132- bearing；140- permanent magnet；150- stator salient poles；151- coil；
160- rotor matrix；161- salient-pole structure.
Specific embodiment
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, instead of all the embodiments.The application being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiments herein provided in the accompanying drawings is not intended to limit below claimed
Scope of the present application, but be merely representative of the selected embodiment of the application.Based on the embodiment in the application, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model of the application protection
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the embodiment of the present application, it is to be understood that term " center ", "upper", "lower", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings,
This application product using when the orientation or positional relationship usually put or those skilled in the art usually understand
Orientation or positional relationship, be merely for convenience of description the application and simplify description, rather than the equipment of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.
In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, it is not understood to indicate or imply
Relative importance.
In the description of the embodiment of the present application, it is also necessary to which explanation is unless specifically defined or limited otherwise, term
" setting ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to detachably connect
It connects, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediate matchmaker can also be passed through
Jie is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can be with concrete condition
Understand the concrete meaning of above-mentioned term in this application.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.
Below in conjunction with attached drawing, the technical solution in the application is described.
The present embodiment provides a kind of electromagnetic damping structures 10, ask for solving the complicated of existing electromagnetic damper
Topic.
Fig. 1 and Fig. 2 are please referred to, Fig. 1 shows specific knot of the electromagnetic damping structure 10 under the first visual angle in the present embodiment
Structure.Fig. 2 shows specific structure of the electromagnetic damping structure 10 under the second visual angle in the present embodiment.
Electromagnetic damping structure 10, including damping matrix 11, rotary substrate 12, pedestal 13, magnetic field structure 14, stator structure 15
And rotor structure 16, rotary substrate 12 movably cooperate with damping matrix 11, rotary substrate 12 is rotatablely arranged at base
Seat 13, magnetic field structure 14 is set to pedestal 13 and limits magnetic field space, and stator structure 15 is set to pedestal 13 and is located at magnetic field sky
Between in, stator structure 15 is configured to external energy consuming circuitry, and rotor structure 16 is fixed on rotary substrate 12, and is located at magnetic field space
In, damping matrix 11 is configured to along the reciprocating axially with respect to rotary substrate 12 of rotary substrate 12 and to rotate
Matrix 12 is rotated around the axis of rotary substrate 12.
Wherein, electromagnetic damping structure 10 is the part-structure of electromagnetic damper, wherein the stator in electromagnetic damping structure 10
Structure 15 can external energy consuming circuitry to constitute complete electromagnetic damper.Damping matrix 11 is the structure for directly bearing external force,
When external force is when damping matrix 11, that is, external force be continuously applied when damping matrix 11 and make damp matrix 11 relative to
Rotary substrate 12 moves, and since damping matrix 11 is relative to 12 setting in motion of rotary substrate, rotary substrate 12 can be made around it
The axis of body rotates, at this point, the relative position of stator structure 15 and rotor structure 16 can occur continuously to change, that is, due to magnetic
If the presence in space and stator structure 15 is connected with energy consumption resistor at this time, can make stator structure 15 and rotor structure 16 it
Between magnetic flux persistently change, electronic structure can generate induced electromotive force, can generate induced current and electric energy in energy consuming circuitry
It can be consumed by energy consuming circuitry itself, stator structure 15 interacts with rotor structure 16, generates electromagnetic damping torque, therefore turns
The rotation of minor structure 16, that is, the rotation of rotary substrate 12 can be suppressed, that is, damping matrix 11 can be due to the fortune of rotary substrate 12
It moves and is suppressed and to damp the external mechanical resistance Buddhist nun of the meeting of matrix 11.
Further, referring to FIG. 3, Fig. 3 shows the specific knot for damping matrix 11 and rotary substrate 12 in the present embodiment
Structure.
There is damping matrix 11 opposite touched to hold 110 and driving end 111, and damping matrix 11 has driving section 112, transmission
Portion 112, which is located at, to be touched between end 110 and driving end 111；Rotary substrate 12 has opposite driven end 120 and turning end 121, turns
Moved end 121 rotationally with pedestal 13 cooperate, rotary substrate 12 have follower 122, follower 122 be located at driven end 120 and
Between turning end 121；Follower 122 movably cooperates with driving section 112.
Wherein, a kind of above-mentioned embodiment that may be implemented provides a kind of possibility of damping matrix 11 and rotary substrate 12
The structure of realization, wherein damping matrix 11 and rotary substrate 12 pass through the cooperation of driving section 112 and follower 122, if damping base
When body 11 is moved with rotary substrate 12 relatively, rotary substrate 12 can be made to be rotated.
Further, please referring again to Fig. 3, the inside for damping matrix 11 has a cavity, and cavity is from driving end 111 to being touched
The side at end 110 upwardly extends, and driving section 112 is the internal screw thread being opened on cavity inner wall, and end 110 is touched to transmission in internal screw thread edge
The side at end 111 upwardly extends；Follower 122 is the ball for being set to 12 peripheral wall of rotary substrate, and ball at least partly protrudes from
The outer profile of rotary substrate 12 and and screw-internal thread fit.Wherein, it is to be understood that ball at least partly refers to that ball has one
Whole ontologies of part or ball are the outer profiles for protruding from rotary substrate 12, and purpose can be the protrusion of the ball
A part can be with screw-internal thread fit, and ball can be driven rotary substrate 12.
Wherein, it in a kind of above-mentioned embodiment in the cards, provides a kind of driving section 112 and follower 122 may
The structure of realization, wherein driving section 112 is the internal screw thread for being set to the cavity inner wall inside damping matrix 11, and follower 122 is
It is set to the ball of the peripheral wall of rotary substrate 12, rotary substrate 12 is placed in the cavity of damping matrix 11, due to ball and interior spiral shell
Line cooperates, and when damping matrix 11 and 12 direction relative motion of rotary substrate, ball can be along the extending direction of internal screw thread
Movement, at this point, the internal screw thread of damping matrix 11 can act on ball, so that rotary substrate 12 is helically due to the presence of cavity
Motion profile movement so that rotary substrate 12 rotates.Wherein, referring to FIG. 3, it can be seen that this reality in Fig. 3
The relative positional relationship that matrix 11 and rotary substrate 12 are damped in example is applied, in normal state, that is, do not there is external force to be applied to damping
When on matrix 11, the part of rotary substrate 12 be located in the cavity of damping matrix 11 and damp matrix 11 cavity some
In vacant state, when being applied to damping matrix 11 with external force, damping matrix 11 can be moved linearly to pedestal 13,
At this point, rotary substrate 12 can follow the mode rotation of the extending direction of internal screw thread helically motion path, the portion of rotary substrate 12
Branch gradually enters in vacant cavity, rotary substrate 12 and damping matrix total length can with external force application gradually
Reduce.
Simultaneously, it should be noted that in the present embodiment, provide and a kind of be hollow structure and interior set interior spiral shell to damp matrix 11
The mode of line is changed into the effect of rotary motion with the 12 carry out activity cooperation of rotary substrate of ball to realize to move along a straight line
Fruit can also be to realize the movement effects by other structures, for example, damping matrix 11 is in other specific embodiments
Hollow structure, built-in ball, 12 peripheral hardware external screw thread of rotary substrate, also or rotary substrate 12 has opening, is open in interior setting
Screw thread, damping matrix 11 are set in the opening and pass through ball and screw-internal thread fit.
Further, referring to FIG. 4, Fig. 4 shows the specific structure of rotary substrate 12 in the present embodiment.
Rotary substrate 12 includes first part 90 and second part 91, and first part 90 and second part 91 are sequentially connected.
Ball is set to the peripheral wall of first part 90, and second part 91 is rotatably coupled with pedestal 13, and rotor structure 16 is fixed on
Two parts 91.
Wherein, in a kind of above-mentioned embodiment in the cards, a kind of the in the cards specific of rotary substrate 12 is provided
Structure, by that rotary substrate 12 is designed as separation and the first part 90 that can be sequentially connected and second part 91, so that working as
When damping matrix 11 is transmitted in rotary substrate 12, first part 90 can accept the power of damping matrix 11 effectively to occur to turn
It is dynamic, and enable second part 91 that rotation is effectively performed.
Further, please referring again to Fig. 4, the end face of the close second part 91 of first part 90 is provided with the first ratchet
80, the end face of the close first part 90 of second part 91 is provided with the second ratchet 81, and the first ratchet 80 is nibbled with the second ratchet 81
It closes.
Wherein, it should be noted that as seen from Figure 4, first part 90 is internally provided with through-hole, second part 91
End face be convexly equipped with a protruding shaft 82, protruding shaft 82 is set in through-holes and protruding shaft 82 can rotate in through-holes, the first ratchet 80 setting
At the outer profile of first part 90 and it is located on through-hole, the second ratchet 81 is set to the outer profile of second part 91 and is located on
Protruding shaft 82.
Further, referring to FIG. 3, first part 90 is provided with multiple balls, wherein ball is set to first part 90
In groove on peripheral wall, multiple ball intervals are arranged and on the axis directions of rotary substrate 12, and the projection of multiple balls is
Evenly and at intervals, for example, in the embodiment that may be implemented one, there are three balls for tool, and three balls are in rotary substrate 12
Projection on axis direction is in equilateral triangle.By the arrangement of the ball of foregoing description, it is conducive to damping matrix 11 and rotation
The activity cooperation of matrix 12.
Further, referring to FIG. 5, Fig. 5 shows the specific structure of stator structure 15 in the present embodiment.
Stator structure 15 includes multiple stator salient poles 150 and coil 151, and magnetic field structure 14 includes multiple permanent magnets 140.
Multiple stator salient poles 150 successively replace with multiple permanent magnets 140 to be connected and around in closed loop configuration, coil 151 and stator salient poles
150 correspond, and coil 151 is set to the salient pole of stator salient poles 150 and is located in closed loop configuration.
Wherein, the specific structure composition of a kind of stator structure in the cards 15 and magnetic field structure 14, multiple stators are provided
Salient pole 150 successively replaces with multiple permanent magnets 140 connects and composes a closed loop configuration, 151 energy of coil in stator salient poles 150
It is enough effectively to generate induced electromotive force, and due to the presence of salient pole, interact between rotor structure 16 and stator structure 15
The electromagnetic damping torque of generation can be promoted effectively.
Further, the specific structure of rotor structure 16 is shown incorporated by reference to Fig. 6, Fig. 6.
Rotor structure 16 includes rotor matrix 160 and multiple salient-pole structures 161, and rotor matrix 160 is arranged and is fixed on
The peripheral wall of rotary substrate 12, multiple salient-pole structures 161 are arranged at intervals at the peripheral wall of rotor matrix 160.
It wherein, is salient pole by stator structure 15 and rotor structure 16 in a kind of above-mentioned embodiment in the cards
Structure, interact between the rotor structure 16 and stator structure 15 electromagnetic damping torque of generation is effectively mentioned
It rises.
It should be noted that in a kind of embodiment in the cards, there are four salient stators for tool please referring again to Fig. 5
Pole 150 and four coils 151, stator salient poles 150 include a bar matrix, and are convexly equipped in the one convex of bar matrix side wall center
Block, coil 151 are wound in the convex block.The quantity of permanent magnet 140 is four, and the section of permanent magnet 140 is trapezoidal, four salient stators
Pole 150 successively replaces connection with four permanent magnets 140, that is, the bar matrix of the side wall and stator salient poles 150 of permanent magnet 140
Side wall connection, four stator salient poles 150 and four permanent magnets 140 constitute the closed loop configuration of an octagon shape, wherein permanent magnetism
Body 140 makees bevel edge, and coil 151 is located in the inner ring of closed loop configuration.Referring to FIG. 6, salient-pole structure 161 in rotor structure 16
Quantity is six, and six salient poles are uniformly arranged on the peripheral wall of rotor matrix 160, wherein the outer end face of salient-pole structure 161 is in extend out
Arcuation, be corresponding to it, the outer end face of the convex block of stator salient poles 150 is in arcuation inside expanded.
Further, it please refers to Fig. 7 and Fig. 1, Fig. 7 is combined to show the specific structure of pedestal 13 in the present embodiment.
Pedestal 13 includes base enclosure 130 and end cap 131 (as seen from Figure 1), and magnetic field structure 14 and stator structure 15 are set
It is placed in the internal cavities of base enclosure 130, the lid conjunction base enclosure 130 of end cap 131, the bottom plate of rotary substrate 12 and base enclosure 130 is rotationally
Run through end cap 131 with merging.
Wherein, the pedestal 13 collectively formed by base enclosure 130 with 131 two components separated of end cap, can be easily
Assemble magnetic field structure 14, stator structure 15, rotor structure 16 and rotary substrate 12.Simultaneously as be two independent components,
Therefore in terms of the manufacturing, manufacturing cost can be effectively reduced, improve production efficiency, and in later period use aspect, Neng Goufang
Just maintenance replacement is carried out.
Wherein, for convenience of arrangement coil 151 and the positioning to stator structure 15, surface and base enclosure in end cap 131
130 bottom surface offers square hole, and the part of coil 151 can expose in the square hole of end cap 131 and the square hole of base enclosure 130.Together
When, through-hole is offered at the bottom center of base enclosure 130, through-hole is embedded with a bearing 132, which can be in rotation base
The second part 91 of body 12 is cooperated (turning end 121 is embedded in the inner ring of bearing 132), enables 12 phase of rotary substrate
It rotates for matrix.
It should be noted that in the present embodiment, the profile of base enclosure 130 is stator structure 15 and what magnetic field structure 14 was constituted closes
Ring structure shape is identical, that is, and it is octagon in the present embodiment, stator salient poles 150 and permanent magnetism in stator mechanism
Body 140 can fit on the inner wall of base enclosure 130.End cap 131 can directly be fastened on base enclosure 130.
Further, please referring again to Fig. 1, electromagnetic damping structure 10 includes resetting-mechanism 17, and resetting-mechanism 17 is set to
It damps between matrix 11 and pedestal 13, resetting-mechanism 17 is configured such that damping matrix 11 has to become far from what pedestal 13 moved
Gesture.
Wherein, by resetting-mechanism 17, the damping of electromagnetic damping structure 10 can effectively be increased, and when application
When damping the external force cancellation on matrix 11, resetting-mechanism 17 enables to damping matrix 11 far from pedestal 13.It needs to illustrate
It is that in the present embodiment, resetting-mechanism 17 is a reset spring, which is set in rotor structure 16, the one of reset spring
End is resisted against the end face of damping matrix 11, and the other end of reset spring is resisted against on end cap 131.In other specific embodiments
In, resetting-mechanism 17 can be that other structures with elastic-restoring force are constituted, and also or resetting-mechanism 17 can have back for other
Multiple power is constituted with the structure for replying effect.
Further, the present embodiment also provides a kind of electromagnetic damper, and electromagnetic damper includes energy consuming circuitry 20 and above-mentioned
The electromagnetic damping structure 10 of offer.Energy consuming circuitry 20 and stator structure 15 are electrically connected.Specifically, energy consuming circuitry 20 is and stator
Each coil 151 in structure 15 connects, wherein as Fig. 8, Fig. 8 show the circuit diagram of the energy consuming circuitry 20.This implementation
Energy consuming circuitry 20 in example is bridge-type energy consuming circuitry, is able to achieve the quick and stable of oscillation, and energy-consuming parts are a resistance.It needs
Bright, in other specific embodiments, energy-consuming parts can also can consume the structure of electric energy for other, also or can be with
For the structure that energy consumption is reminded, such as warning lamp etc. can be increased.
It should be noted that it is gentle to need to carry out impact unloading using damper when spacecraft interacts docking
Punching, when being docked, external force is when damp matrix 11, damping matrix 11 (orientation in figure, that is, close pedestal 13 downwards
Direction) movement, force ball to roll on internal screw thread, first part 90 makes rotating motion；First part 90 and second part
91 intermeshings, the rotation of first part 90 drives second part 91 to rotate, so that the salient-pole structure 161 in rotor structure 16 does and revolves
Transhipment is dynamic.Since stator structure 15, permanent magnet 140 and rotor structure 16 form field circuit, when rotor structure 16 rotates, line
Magnetic flux changes in circle 151, generates electromagnetic induction electromotive force, and induced current is formed in energy consuming circuitry 20, and electric energy is logical
Energy consumption resistor dissipation is crossed, to consume impact kinetic energy.The magnetic field interaction that rotor structure 16 and permanent magnet 140 generate, generates
Electromagnetic damping torque hinders rotary substrate 12 to move, meanwhile, ball friction generates frictional resistance moment, and the two is jointly in screw thread pair
Under the action of be changed into damping matrix 11 damping force, in conjunction with reset spring compression generate elastic force, ultimately form electromagnetism resistance
The damping force of Buddhist nun's device.Finally, reset spring can make damping matrix 11 return back to initial position after aircraft separation.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of electromagnetic damper structure characterized by comprising
Damp matrix；
Rotary substrate, the rotary substrate movably cooperate with the damping matrix；
Pedestal, the rotary substrate are rotatablely arranged at the pedestal；
Magnetic field structure, the magnetic field structure are set to the pedestal and limit magnetic field space；
Stator structure, the stator structure are set to the pedestal and are located in the magnetic field space, and the stator structure is by structure
It makes as external energy consuming circuitry；And
Rotor structure, the rotor structure is fixed on the rotary substrate, and is located in the magnetic field space；
Wherein, the damping matrix is configured to that reciprocal fortune can be made axially with respect to the rotary substrate along the rotary substrate
It moves and the rotary substrate is rotated around the axis of the rotary substrate.
2. electromagnetic damper structure according to claim 1, it is characterised in that:
The damping matrix is touched end and driving end with opposite, and the damping matrix has driving section, the transmission portion
It is touched between end and the driving end in described；
The rotary substrate has opposite driven end and turning end, and the turning end rotationally cooperates with the pedestal, institute
Rotary substrate is stated with follower, the follower is between the driven end and the turning end；
The follower movably cooperates with the driving section.
3. electromagnetic damper structure according to claim 2, it is characterised in that:
The inside of the damping matrix has cavity, and the cavity is upwardly extended from the driving end to described by the side for touching end,
The driving section is the internal screw thread being opened on the cavity inner wall, and the internal screw thread is along described by touching end to the driving end
Side upwardly extends；
The follower is the ball for being set to the rotary substrate peripheral wall, and the ball at least partly protrudes from the rotation
The outer profile of matrix and with the screw-internal thread fit.
4. electromagnetic damper structure according to claim 3, it is characterised in that:
The rotary substrate includes first part and second part, and the first part and the second part are sequentially connected；
The ball is set to the peripheral wall of the first part, and the second part is rotatably coupled with the pedestal, described
Rotor structure is fixed on the second part.
5. electromagnetic damper structure according to claim 4, it is characterised in that:
The end face close to the second part of the first part is provided with the first ratchet, the second part close to described
The end face of first part is provided with the second ratchet, first ratchet and second ratchet engagement.
6. electromagnetic damper structure according to claim 1, it is characterised in that:
The stator structure includes multiple stator salient poles and coil；
The magnetic field structure includes multiple permanent magnets；
Multiple stator salient poles successively replace with multiple permanent magnets to be connected and around in closed loop configuration, the coil and institute
Stator salient poles one-to-one correspondence is stated, the coil is set to the salient pole of the stator salient poles and is located in the closed loop configuration.
7. electromagnetic damper structure according to claim 6, it is characterised in that:
The rotor structure includes rotor matrix and multiple salient-pole structures, and the rotor matrix is arranged and is fixed on the rotation
The peripheral wall of matrix, multiple salient-pole structures are arranged at intervals at the peripheral wall of the rotor matrix.
8. electromagnetic damper structure according to claim 1, it is characterised in that:
The pedestal includes base enclosure and end cap, and the inside that the magnetic field structure and the stator structure are set to the base enclosure is empty
In chamber, the end cap lid closes the base enclosure, and the bottom plate of the rotary substrate and the base enclosure is rotatably engaged and described in run through
End cap.
9. electromagnetic damper structure according to claim 1 characterized by comprising
Resetting-mechanism, the resetting-mechanism are set between the damping matrix and the pedestal, and the resetting-mechanism is constructed
To make the damping matrix that there is the trend far from the base motion.
10. a kind of electromagnetic damper characterized by comprising
Energy consuming circuitry, and
Electromagnetic damping structure described in any one of claim 1-9；
The energy consuming circuitry and the stator structure are electrically connected.
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| CN201910175540.6A CN109780109A (en) | 2019-03-07 | 2019-03-07 | Electromagnetic damper structure and electromagnetic damper |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112144657A (en) * | 2020-09-17 | 2020-12-29 | 宋蓝 | Mounting method of steel structure house top beam column universal joint structure |
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Application publication date: 20190521 |