CN106788611A - A kind of rotation communicator based on magnetic coupling - Google Patents
A kind of rotation communicator based on magnetic coupling Download PDFInfo
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- CN106788611A CN106788611A CN201611105179.2A CN201611105179A CN106788611A CN 106788611 A CN106788611 A CN 106788611A CN 201611105179 A CN201611105179 A CN 201611105179A CN 106788611 A CN106788611 A CN 106788611A
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- H04B5/24—
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/14—Inductive couplings
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- H04B5/263—
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- H04B5/72—
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/14—Inductive couplings
- H01F2038/143—Inductive couplings for signals
Abstract
The present invention relates to a kind of rotation communicator based on magnetic coupling, the device includes the adjusting screw and adjustment packing ring of stator, rotor, rotation communication coil component, bearing and regulation communication quality；Rotation communication coil component includes inner ring coil and outer shroud coil, and inner ring coil is wound in cylinder type ferrite outer ring and constitutes by enamel-covered wire rotation, and outer shroud coil is helically wound around aerial organic glass ring inner ring and constitutes by enamel-covered wire；Inner ring coil is fixed on rotor, outer shroud coil is fixed on stator, duplex bearing ensures inner ring coil and Section of Outer Ring Line circle almost coaxial, the radially coaxial of inner and outer rings coil is adjusted by the adjusting screw on stator, the axial alignment of inner and outer rings coil is adjusted by the adjustment packing ring on rotor；Signal is input into from inner ring coil, the output of outer shroud coil, or is exported from the input of outer shroud coil, inner ring coil.The present invention has the advantages that small physical dimension, low cost, debugs easy, can well realize data transfer closely.
Description
Technical field
The present invention relates to a kind of rotation communicator based on magnetic coupling, belong to wireless communication field.
Background technology
Data transfer between quick peeler structure fixing end and round end, is limited to structure type and data high frequency is special
Levy, it is impossible to connected using wire or signal transmission is completed, it is necessary to be wirelessly transferred using higher bandwidth by the contact of mechanical slip ring
Mode.
Coupled communication is based on inductive mode, and antenna uses enclosed annular coil, and alternating current is by transmit coil
Alternating magnetic field is produced, receiving coil response magnetic field changes and produces alternating voltage to export, and so as to set up communication link, carries out data
Transmission.In industry, medical treatment, Military Application field, such as robot probe's device is with the rotation of carrying platform, radar scanning mechanism
The features such as the possessing miniaturization, low cost, simple structure, it is necessary to transmitting device is tried one's best such as lower biography communication link, magnetic coupling is this
Mode has more advantage.
During coupling, what receiving coil was utilized is the alternation magnetic energy for not giving off structure that transmit coil is produced,
Therefore communication quality behaves oneself best when the two concentric shafts is placed.But during rotation, influence the factor of axiality
It is numerous, how to keep the axiality of receiving coil and transmit coil in rotational structure, realize Near Field Communication be this area urgently
The technical problem of solution.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, there is provided a kind of rotation communication dress based on magnetic coupling
Put.The apparatus structure size is small, good stability, coupling efficiency are high, solves the problems, such as the near-field communication of rotational structure.
The object of the invention is achieved by following technical solution：A kind of rotation communicator based on magnetic coupling, bag
Include：Armature spindle (1), stator sleeve (3), drive end bearing bracket (2), rear end cap (7), clutch shaft bearing, second bearing, inner ring coil (4), outward
Ring coil (5)；
The armature spindle (1) can rotate about the axis thereof；
The drive end bearing bracket (2) is sleeved on armature spindle (1) front end by clutch shaft bearing；
The rear end cap (7) is sleeved on armature spindle (1) rear end by second bearing；
The stator sleeve (3) is fixed between drive end bearing bracket (2) and rear end cap (7)；
Inner ring coil (4) is fixed on the middle part of armature spindle (1)；Outer shroud coil (5) is set in inner ring coil (4) outside, Gu
It is scheduled on stator sleeve (3), the distance between inner ring coil (4) and outer shroud coil (5) are d.
The armature spindle (1) is with for the projection of spacing clutch shaft bearing first and for the second of spacing inner ring coil (4)
Projection, armature spindle (1) is a multi-diameter shaft for being provided with axial groove.
Also include axle sleeve (6), be arranged on inner ring coil (4) and second bearing between.
Also include bracing ring (11) and adjusting screw (12)；The adjusting screw (12) is arranged on the outer shroud coil (5)
And stator sleeve (3) between, adjusting screw radially sequentially passes through stator sleeve (3), bracing ring (11).
Also include fastener screws (9) and sunk screw (14), fastener screws (9) are fixed by drive end bearing bracket (2) vertically
To stator sleeve (3)；Rear end cap (7) is fixed to stator sleeve (3) by sunk screw (14) vertically.
Armature spindle (1) side has groove, and inner ring coil (4) is caused outside rotation communicator lead by groove.
Lead is caused rotation communicator by the stator sleeve (3) with through hole, outer shroud coil (5) by the through hole
It is outside.
Inner ring coil (4) is constituted for enamel-covered wire along ferrite outer ring spiral winding, and incoming line and line outlet are axially aligned.
Outer shroud coil (5) is that enamel-covered wire is formed along lucite ring inner ring spiral winding, and incoming line and line outlet are along axle
To alignment；Preferably also include：Internal regulation packing ring (10) and outside adjusting washer (disk) (13), internal regulation packing ring (10) is positioned at turning
Between sub- axle (1) and bearing (8-1), outside adjusting washer (disk) (13) is between stator sleeve (3) and rear end cap (7)；Adjust inside
Section packing ring (10) and outside adjusting washer (disk) (13) can adjust the axial alignment of inner ring coil (4) and outer shroud coil (5).
A kind of rotation communicator based on magnetic coupling, including：Armature spindle (16), stator sleeve (15), drive end bearing bracket (2-
1), rear end cap (7-1), clutch shaft bearing (8-3), second bearing (8-2), the first inner ring coil (4-1), the first outer shroud coil (5-
1), the second inner ring coil (4-2), the second outer shroud coil (5-2) and shading ring (18)；
The armature spindle (16) can rotate about the axis thereof；
The drive end bearing bracket (2-1) is sleeved on armature spindle (16) front end by clutch shaft bearing；
The rear end cap (7-1) is sleeved on armature spindle (16) rear end by second bearing；
The stator sleeve (15) is fixed between drive end bearing bracket (2-1) and rear end cap (7-1)；
First inner ring coil (4-1) is fixed on armature spindle (1), positioned at clutch shaft bearing (8-3) rear portion；First outer shroud coil
(5-1) is set in the first inner ring coil (4-1) outside, first inner ring coil (4-1) and first fixed by stator sleeve (15)
The distance between outer shroud coil (5-1) is d1；
Second inner ring coil (4-2) is fixed on armature spindle (1), anterior positioned at second bearing (8-2)；Second outer shroud coil
(5-2) is set in the second inner ring coil (4-2) outside, second inner ring coil (4-2) and second fixed by stator sleeve (15)
The distance between outer shroud coil (5-2) is d2；
Armature spindle (16) middle part is arranged with shading ring (18), for armoured magnetic field interference.
d1And d20.5 ± 0.02mm need to simultaneously be met；The gap of the inner ring coil 4-1 and outer shroud coil 5-1 is d1, it is interior
The axial dipole field of ring coil 4-1 and outer shroud coil 5-1 is L1, the gap of the inner ring coil 4-2 and outer shroud coil 5-2 is d2, it is interior
The axial dipole field of ring coil 4-2 and outer shroud coil 5-2 is L2；L1And L20 ± 0.05mm need to simultaneously be met, by meeting size requirement
Inner ring coil (4) and outer shroud coil (5) composition rotation communication coil component.
The external diameter of the rotation communicator is more than or equal to Φ 15mm, and length is more than or equal to 10mm.
Armature spindle (1) middle part has the first projection, and the first inner ring coil (4-1) is resisted against the front end of the first projection,
Second inner ring coil (4-2) is resisted against the rear end of the first projection, and the shading ring (18) is set in the first projection.
Also include the first axle sleeve (6-1), be arranged between the first inner ring coil (4-1) and clutch shaft bearing (8-3)；Second axle
Set (6-2), is arranged between the second inner ring coil (4-2) and second bearing (8-2).
Also include the first bracing ring (11-1) and the first adjusting screw (12-1), the second bracing ring (11-2) and the first regulation
Screw (12-2)；First bracing ring (11-1) is set between the first outer shroud coil (5-1) and stator sleeve (15), described
First adjusting screw (12-1) radially sequentially passes through stator sleeve (15) and the first bracing ring (11-1), is resisted against the first outer shroud
The outer ring of coil (5-1)；Second bracing ring (11-2) is set between the second outer shroud coil (5-2) and stator sleeve (15), institute
State the second adjusting screw (12-2) and radially sequentially pass through stator sleeve (15) and the second bracing ring (11-2), be resisted against outside second
The outer ring of ring coil (5-2).
Also include being arranged on the first adjust pad (10-1) between second bearing (8-2) and the second axle sleeve (6-1) and
It is arranged on the second adjust pad (10-2) between clutch shaft bearing (8-3) and the second axle sleeve (6-2).
Drive end bearing bracket (2-1) is fixed to stator sleeve (15) by fastener screws (9-1) vertically；Sunk screw (14-1) edge
Rear end cap (7-1) is axially fixed to stator sleeve (15).
Armature spindle (16) side has groove, and the first inner ring coil (4-1) and the second inner ring coil (4-2) will by groove
Lead is caused outside rotation communicator.
, with through hole, the first outer shroud coil (5-1) and the second outer shroud coil (5-2) are by described for the stator sleeve (15)
Through hole causes outside rotation communicator lead.
Inner ring coil (4-1) is with inner ring coil (4-2) line outlet into 180 °
The present invention has the following advantages that compared with prior art：
(1) simple structure of the invention, be easy to debug, compact structure, maximum outside diameter is Φ 20mm, 20mm long, minimum outer
Footpath Φ 15mm, 10mm long, are particularly suited for the rotary body signal transmission of limited space.
(2) present invention is fixed using duplex bearing, and axiality is good, dynamic property stabilization, in the dress of multigroup magnetic coupling coil
In tune, axiality can simultaneously meet requirement.
(3) structure of the invention is compared to optocoupler communicator low cost 50%, and cost is suitable with ring communicator is drawn, and
Solve the problems, such as that stroke axial perturbed force of ring communication is excessive.
(4) structure of the invention is applied widely, it is adaptable to the communication of various frequency band signals, for low speed, relative at a high speed
The communication of rotary motion is applicable.
(5) favorable expandability of the invention, for two-way communication or multiplex communication, can extend multigroup coil, meet various
Communication need.
Brief description of the drawings
Fig. 1 is that magnetic coupling of the present invention rotates communicator schematic diagram；
Fig. 2 is communication coil component diagram of the present invention；
Fig. 3 is inner ring coil-winding schematic diagram of the present invention；
Fig. 4 is outer shroud coil-winding schematic diagram of the present invention；
Fig. 5 is present invention rotation communicator Method of Adjustment；
Fig. 6 is double-channel rotatable communicator schematic diagram of the present invention；
Fig. 7 is double-channel rotatable communicator lead schematic diagram of the present invention, and wherein Fig. 7 (a) is double-channel rotatable of the present invention
Communicator turns from lead schematic diagram, and Fig. 7 (b) is double-channel rotatable communicator stator lead schematic diagram of the present invention.
Specific embodiment
Basic ideas of the invention are：Propose a kind of rotation communicator based on magnetic coupling, the device include stator,
The adjusting screw and adjustment packing ring of rotor, rotation communication coil component, bearing and regulation communication quality；Rotation communication coil component
Including inner ring coil and outer shroud coil, inner ring coil is wound in cylinder type ferrite outer ring and constitutes by enamel-covered wire rotation, Section of Outer Ring Line
Circle is helically wound around aerial organic glass ring inner ring and constitutes by enamel-covered wire；Inner ring coil is fixed on rotor, and outer shroud coil is fixed
On stator, duplex bearing ensures inner ring coil and Section of Outer Ring Line circle almost coaxial, by the adjusting screw on stator adjust in,
Outer shroud coil it is radially coaxial, by rotor adjustment packing ring adjust inner and outer rings coil axial alignment；Signal is from interior
Ring coil input, the output of outer shroud coil, or exported from the input of outer shroud coil, inner ring coil.The present invention have physical dimension it is small,
Low cost, the advantages of debug easy, can well realize data transfer closely.
Below in conjunction with the drawings and specific embodiments the rotation communicator based on magnetic coupling proposed by the present invention is made into
One step is illustrated.
As shown in figure 1, rotation communicator includes：Constitute armature spindle 1, stator sleeve 3, the drive end bearing bracket 2, rear end of rotary body
Lid 7, bearing 8 (including：Clutch shaft bearing, second bearing), rotation communication coil component, the adjusting screw 12 of regulation communication quality,
Internal regulation packing ring 10 and outside adjusting washer (disk) 13, for convenience of axle sleeve 6, the outer shroud bracing ring 11 of the design of communication coil lead-out wire,
And fastener pan head screw 9 and sunk screw 14.
Below in conjunction with the drawings and specific embodiments the rotation communicator based on magnetic coupling proposed by the present invention is made into
One step is illustrated.
As shown in figure 1, rotation communicator includes：Constitute armature spindle 1, stator sleeve 3, the drive end bearing bracket 2, rear end of rotary body
Lid 7, bearing 8, rotate communication coil component, adjust adjusting screw 12, internal regulation packing ring 10 and the outside regulation of communication quality
Packing ring 13, for convenience of axle sleeve 6, the outer shroud bracing ring 11 of the design of communication coil lead-out wire, and fastener pan head screw 9 and countersunk head spiral shell
Nail 14.As shown in Fig. 2 rotation communication coil component includes：Inner ring coil 4 and outer shroud coil 5.
The stator sleeve 3 for rotating communicator is consolidated armature spindle 1 by drive end bearing bracket 2, bearing 8-1 and rear end cap 7, bearing 8
It is scheduled on its axis, adjusting washer (disk) 13 is mounted between stator sleeve 3 and rear end cap 7, armature spindle 1 is one and is provided with axially to walk
The multi-diameter shaft of wire casing, small ladder supports bearing 8-1, centre is mounted with adjustment packing ring 10, big ladder supports inner ring coil 4, inner ring
Ladder axle sleeve 6 of the placement with radial direction cabling channel between coil 4 and bearing 8, the wire of inner ring coil 4 passes through the cabling of axle sleeve 6
Groove is guided to outside rotation communicator through the cabling channel of armature spindle 1, and stator sleeve 3 is supported outer shroud by four adjusting screws 12
Circle 11 and the centre-lock of outer shroud coil 5, adjusting screw 12 are a ladder screws for large-calibred belt diameter of thread positioning, fixed
Sub-sleeve 3 center circumference uniform distribution, four screw holes, with screw hole four cable holes of circumference uniform distribution at 45 °, outer shroud bracing ring
11 positions corresponding with the screw hole of stator sleeve 3 are provided with four location holes and the corresponding position of the cable hole of stator sleeve 3 is opened
There are four cabling channels, outer shroud coil 5 is crimped in outer shroud bracing ring 11, the wire of outer shroud coil 5 passes through outer shroud bracing ring 11
Meaning cabling channel is guided to outside rotation communicator through the corresponding cable hole of stator sleeve 3；Inner ring coil 4 is relative with armature spindle 1
Rotated with the outer shroud coil 5 fixed with stator sleeve 3, signal transmission is realized by alternating magnetic field.
As shown in figure 3, inner ring coil 4 is along ferrite outer ring spiral winding by enamel-covered wire.Ferrite model is selected
GTO16, ring 5~8mm of external diameter, 3~5mm of internal diameter, height 5mm, winding mode is as follows：
(1) the thick enamel-covered wires of 0.1~0.5mm are used, altogether around 7~12 circles, coil close-packed arrays；
(2) optional position of incoming line and line outlet on circle, but must the two on same axial bus；
(3) the end of a thread draws 120 ± 10mm of length；
(4) winding region, outlet, inlet wire soak varnish, prevent short circuit.
As shown in figure 4, outer shroud coil 5 is that enamel-covered wire is formed along lucite ring inner ring spiral winding, ring internal diameter 5.5~
12mm, winding mode is as follows：
(1) the thick enamel-covered wires of 0.1~0.5mm are used, altogether around 7~12 circles, coil close-packed arrays；
(2) any one groove location of incoming line and line outlet on circle, but the two must be on same axial bus；
(3) the end of a thread draws 120 ± 10mm of length；
(4) winding region, outlet, inlet wire soak varnish, prevent short circuit.
Inner ring coil (4) is constituted for enamel-covered wire along ferrite outer ring spiral winding, and incoming line and line outlet are axially aligned；
Outer shroud coil (5) is that enamel-covered wire is formed along lucite ring inner ring spiral winding, and incoming line and line outlet are axially aligned.
In conjunction with the embodiments 1 and embodiment 2 single channel and debuging for double-channel rotatable communicator are illustrated respectively.
1st, embodiment 1
As shown in figure 1, the Method of Adjustment of Single-channel Rolling communicator is as follows：
(1) after the completion of outer shroud coil 5 winds as shown in Figure 4, the enamel-covered wire of notch side bypasses lucite by notch
Ring and opposite side enamel-covered wire doubling, heat-shrinkable T bush protection in multiple twin rear enclosure.Outer shroud coil 5 is crimped on outer shroud branch by excessively cooperation
In support ring 11, outer shroud bracing ring 11 carries out axially position by the contact jaw on stator sleeve 3 in face of outer shroud coil 5, by four
The external ring coil 5 of adjusting screw 12 carries out radial direction locking.In the assembling process of outer shroud coil 5, by outer shroud coil lead from stator
Cable hole on sleeve is passed through, and is protected in cable hole encapsulating after tension.
(2) after the completion of inner ring coil 4 winds as shown in Figure 3, the enamel-covered wire of any side bypasses ferrite and opposite side paint
Envelope curve doubling, heat-shrinkable T bush protection in multiple twin rear enclosure.Inner ring coil 4 is assembled on armature spindle 1, inner ring coil 4 by with turn
The contact end face of sub- axle 1 carries out axially position.Groove is provided with armature spindle 1, the lead-out wire for inner ring coil 4 is drawn, by inner ring
In the smooth cabling channel being placed on armature spindle 1 of the lead of coil 4, in the side of inner ring coil 4 successively mounting sleeve 6, the axle of bearing 8
To compression.The lead of inner ring coil 4 along the groove one of armature spindle 1 through to rotation communicator outside, under the extruding of the inner ring of bearing 8
The lead fixation of inner ring coil 4 is without movement.
(3) successively equipment adjustment packing ring 10, bearing 8-1, drive end bearing bracket 2, adjustment packing ring 13, rear end cap 7, the He of lock-screw 9
Screw 14, completes rotation communicator and axially fastens.
(4) reference picture 5, detect to rotation communication performance.Signal is input into from either end, the other end has
During signal output, inner ring coil 4 matches no problem with outer shroud coil 5, and structural member assembling substantially meets magnetic coupling requirement.Rotation
Armature spindle 1, input signal is standard sine wave, if sinusoidal magnitude deviation occurs in output signal, is adjusted by adjusting screw 12
The axiality of inner ring coil 4 and outer shroud coil 5, makes the value of gap d meet 0.5 ± 0.02mm requirements, error free to reach signal
Output；If deformed sine wave, poor signal quality occurs in output signal, by increasing and decreasing internal regulation packing ring 10 and outside adjusting washer (disk)
The axial alignment of 13 adjustment inner ring coils 4 and outer shroud coil 5, makes the value of axial dipole field L meet 0 ± 0.05mm requirements, to reach
Output that signal is error free.
The present invention also has a kind of signal coupling mass adjusting method of the rotation communicator for being preferably based on magnetic coupling,
Step is as follows：Signal is input into from either end, the other end has signal output, fixed stator sleeve (3), rotor axle (1)；It is defeated
If going out signal occurs that amplitude attenuation is serious, alternating signal is asymmetric, inner ring coil (4) and outer shroud are adjusted by adjusting screw (12)
The axiality of coil (5), makes d values in the range of requiring；If output signal occurs, and amplitude attenuation is serious, signal top deflection,
The axial alignment of inner ring coil (4) and outer shroud coil (5) is adjusted by internal regulation packing ring (10) and outside adjusting washer (disk) (13),
Make L values in the range of requiring.
2nd, embodiment 2
Binary channels magnetic coupling rotates the shielding that magnetic field shielding is installed between communicator rotates communication coil component at two
Ring (18) and fixing clasp (17)；Inner ring coil (4-1) and inner ring coil (4-2) line outlet into 180 ° of placements, by armature spindle
(16) cabling channel causes outside rotation communicator wire；Outer shroud coil (5-1) and outer shroud coil (5-2) line outlet are into 180 °
Place, caused outside rotation communicator wire by the cable hole of stator sleeve (15) circumference uniform distribution；Rotation communicator
Minimum outer diameter can arrive Φ 15mm.The length of Single-channel Rolling communicator most I is to 10mm.
As shown in fig. 6, binary channels magnetic coupling rotation communicator, is capable of achieving the two ends data double-way transmission of rotating mechanism.
Compared with Single-channel Rolling communicator in addition to having two groups of rotation communication coil components, what need to be lengthened determines double-channel rotatable communicator
Outside sub-sleeve 15 and armature spindle 16, the shading ring 18 of armoured magnetic field interference is installed between need to also rotating communication coil component at two
With fixing clasp 17.The Method of Adjustment of double-channel rotatable communicator is as follows：
(1) outer shroud coil 5-1 is crimped in outer shroud bracing ring 11-1 by excessively cooperation, from being above assembled to stator sleeve
The front end of cylinder 15, outer shroud bracing ring 11-1 carries out axially position by the contact jaw on stator sleeve 15 in face of outer shroud coil 5-1,
Radial direction locking is carried out by four external ring coil 5-1 of adjusting screw 12-1.In outer shroud coil 5-1 assembling process, by Section of Outer Ring Line
Circle 5-1 leads are passed through from the cable hole of the circumference uniform distribution of stator sleeve 15, are protected in cable hole encapsulating after tension.
(2) drive end bearing bracket 2-1 is assembled in the front end of stator sleeve 15, is fastened by screw 9-1.
(3) by shading ring 18 from the middle end face for being above assembled to armature spindle 16, shading ring 18 by with armature spindle 16
Contact surface carries out axially position, is compressed by fixing clasp 17.By inner ring coil 4-1 from being above assembled to the front end of armature spindle 16,
Inner ring coil 4-1 carries out axially position by contacting end face with armature spindle 16.Two symmetrical grooves are provided with armature spindle 16, its
In one be used for inner ring coil 4-1 lead-out wire draw.By inner ring coil 4-2 from being assembled to the rear end of armature spindle 16, inner ring below
Coil 4-2 carries out axially position by contacting end face with armature spindle 16, from another groove of armature spindle 16 by inner ring coil 4-2
Lead-out wire draw.By symmetrical two grooves opened on armature spindle 16, realize inner ring coil 4 and inner ring coil 4-1 into
180 ° of placements, shown in such as Fig. 7 (a).
(4) in the front end of armature spindle 16 successively assembling sleeve 6-1, adjustment packing ring 10-1, bearing 8-3, rear end assembling sleeve
6-2。
(5) armature spindle 16 that will be assembled is installed on the drive end bearing bracket 2-1 on stator sleeve 15.
(6) outer shroud coil 5-2 is crimped in outer shroud bracing ring 11-2 by excessively cooperation, from being assembled to stator sleeve below
15 rear ends of cylinder, outer shroud bracing ring 11-2 carries out axially position by the contact jaw on stator sleeve 15 in face of outer shroud coil 5-2, leads to
Crossing four external ring coil 5-2 of adjusting screw 12-2 carries out radial direction locking.In outer shroud coil 5-2 assembling process, by outer shroud coil
5-2 leads direction and outer shroud coil 5-1 leads direction are into 180 ° of placements, and such as Fig. 7 (b) is shown.By outer shroud coil 5-2 leads from calmly
Cable hole on sub-sleeve 15 is passed through, and is protected in cable hole encapsulating after tension.
(7) equipment adjustment packing ring 10-2, bearing 8-2, rear end cap 7-1 successively, rotation communication dress is completed by screw 14-1
Put and axially fasten.
(8) detection method of reference embodiment 1 (4) is respectively to two rotation communication coil groups of double-channel rotatable communicator
The communication performance of part is detected.Make gap d1And d20.5 ± 0.02mm is met simultaneously, and axial dipole field is L1And L20 is met simultaneously
±0.05mm。
The above, optimal specific embodiment only of the invention, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
Should all be included within the scope of the present invention.
The content not being described in detail in description of the invention belongs to the known technology of professional and technical personnel in the field.
Claims (20)
1. a kind of rotation communicator based on magnetic coupling, it is characterised in that including：It is armature spindle (1), stator sleeve (3), preceding
End cap (2), rear end cap (7), clutch shaft bearing, second bearing, inner ring coil (4), outer shroud coil (5)；
The armature spindle (1) can rotate about the axis thereof；
The drive end bearing bracket (2) is sleeved on armature spindle (1) front end by clutch shaft bearing；
The rear end cap (7) is sleeved on armature spindle (1) rear end by second bearing；
The stator sleeve (3) is fixed between drive end bearing bracket (2) and rear end cap (7)；
Inner ring coil (4) is fixed on the middle part of armature spindle (1)；Outer shroud coil (5) is set in inner ring coil (4) outside, is fixed on
On stator sleeve (3), the distance between inner ring coil (4) and outer shroud coil (5) are d.
2. the rotation communicator based on magnetic coupling according to claim 1, it is characterised in that the armature spindle (1)
With for raised and for spacing inner ring coil (4) the second projection of spacing clutch shaft bearing first, armature spindle (1) is one and opens
There is the multi-diameter shaft of axial groove.
3. the rotation communicator based on magnetic coupling according to claim 1 and 2, it is characterised in that also including axle sleeve
(6), it is arranged on inner ring coil (4) and second bearing between.
4. the rotation communicator based on magnetic coupling according to claim 1 and 2, it is characterised in that also including support
Circle (11) and adjusting screw (12)；The adjusting screw (12) is arranged between the outer shroud coil (5) and stator sleeve (3),
Adjusting screw radially sequentially passes through stator sleeve (3), bracing ring (11).
5. the rotation communicator based on magnetic coupling according to claim 1 and 2, it is characterised in that also including fastening
Drive end bearing bracket (2) is fixed to stator sleeve (3) by part screw (9) and sunk screw (14), fastener screws (9) vertically；Countersunk head
Rear end cap (7) is fixed to stator sleeve (3) by screw (14) vertically.
6. the rotation communicator based on magnetic coupling according to claim 1 and 2, it is characterised in that armature spindle (1)
Side has groove, and inner ring coil (4) is caused outside rotation communicator lead by groove.
7. the rotation communicator based on magnetic coupling according to claim 1 and 2, it is characterised in that the stator sleeve
Cylinder (3) is caused outside rotation communicator lead by the through hole with through hole, outer shroud coil (5).
8. the rotation communicator based on magnetic coupling according to claim 1,2 or 6, it is characterised in that inner ring coil
(4) for enamel-covered wire is constituted along ferrite outer ring spiral winding, incoming line and line outlet are axially aligned.
9. the rotation communicator based on magnetic coupling according to claim 1,2 or 7, it is characterised in that outer shroud coil
(5) it is that enamel-covered wire is formed along lucite ring inner ring spiral winding, incoming line and line outlet are axially aligned；Preferably also wrap
Include：Internal regulation packing ring (10) and outside adjusting washer (disk) (13), internal regulation packing ring (10) is positioned at armature spindle (1) and bearing (8-
1) between, outside adjusting washer (disk) (13) is between stator sleeve (3) and rear end cap (7)；Internal regulation packing ring (10) and outside
Adjusting washer (disk) (13) can adjust the axial alignment of inner ring coil (4) and outer shroud coil (5).
10. a kind of rotation communicator based on magnetic coupling, it is characterised in that including：Armature spindle (16), stator sleeve (15),
Drive end bearing bracket (2-1), rear end cap (7-1), clutch shaft bearing (8-3), second bearing (8-2), the first inner ring coil (4-1), outside first
Ring coil (5-1), the second inner ring coil (4-2), the second outer shroud coil (5-2) and shading ring (18)；
The armature spindle (16) can rotate about the axis thereof；
The drive end bearing bracket (2-1) is sleeved on armature spindle (16) front end by clutch shaft bearing；
The rear end cap (7-1) is sleeved on armature spindle (16) rear end by second bearing；
The stator sleeve (15) is fixed between drive end bearing bracket (2-1) and rear end cap (7-1)；
First inner ring coil (4-1) is fixed on armature spindle (1), positioned at clutch shaft bearing (8-3) rear portion；First outer shroud coil (5-
1) it is set in the first inner ring coil (4-1) outside, it is fixed by stator sleeve (15), outside the first inner ring coil (4-1) and first
The distance between ring coil (5-1) is d1；
Second inner ring coil (4-2) is fixed on armature spindle (1), anterior positioned at second bearing (8-2)；Second outer shroud coil (5-
2) it is set in the second inner ring coil (4-2) outside, it is fixed by stator sleeve (15), outside the second inner ring coil (4-2) and second
The distance between ring coil (5-2) is d2；
Armature spindle (16) middle part is arranged with shading ring (18), for armoured magnetic field interference.
The 11. rotation communicators based on magnetic coupling according to claim 10, it is characterised in that the inner ring coil
The gap of 4-1 and outer shroud coil 5-1 is d1, the axial dipole field of inner ring coil 4-1 and outer shroud coil 5-1 is L1, the inner ring coil
The gap of 4-2 and outer shroud coil 5-2 is d2, the axial dipole field of inner ring coil 4-2 and outer shroud coil 5-2 is L2；d1And d2Need simultaneously
Meet 0.5 ± 0.02mm, L1And L20 ± 0.05mm need to simultaneously be met.
The 12. rotation communicator according to claim 1 or 11, it is characterised in that the external diameter of the rotation communicator is big
In equal to Φ 15mm, length is more than or equal to 10mm.
The 13. rotation communicators based on magnetic coupling according to claim 10, it is characterised in that the armature spindle
(1) middle part has the first projection, and the first inner ring coil (4-1) is resisted against the front end of the first projection, and the second inner ring coil (4-2) is supported
The rear end of the first projection is leaned against, the shading ring (18) is set in the first projection.
The 14. rotation communicator based on magnetic coupling according to claim 10 or 13, it is characterised in that also including
One axle sleeve (6-1), is arranged between the first inner ring coil (4-1) and clutch shaft bearing (8-3)；Second axle sleeve (6-2), is arranged on
Between two inner ring coils (4-2) and second bearing (8-2).
The 15. rotation communicator based on magnetic coupling according to claim 10 or 13, it is characterised in that also including
One bracing ring (11-1) and the first adjusting screw (12-1), the second bracing ring (11-2) and the first adjusting screw (12-2)；It is described
First bracing ring (11-1) is set between the first outer shroud coil (5-1) and stator sleeve (15), first adjusting screw
(12-1) radially sequentially passes through stator sleeve (15) and the first bracing ring (11-1), is resisted against the first outer shroud coil (5-1)
Outer ring；Second bracing ring (11-2) is set between the second outer shroud coil (5-2) and stator sleeve (15), the second regulation spiral shell
Nail (12-2) radially sequentially passes through stator sleeve (15) and the second bracing ring (11-2), is resisted against the second outer shroud coil (5-2)
Outer ring.
The 16. rotation communicators based on magnetic coupling according to claim 14, it is characterised in that also including being arranged on
The first adjust pad (10-1) between second bearing (8-2) and the second axle sleeve (6-1) and be arranged on clutch shaft bearing (8-3) and
The second adjust pad (10-2) between second axle sleeve (6-2).
The 17. rotation communicator based on magnetic coupling according to claim 10 or 13, it is characterised in that fastener spiral shell
Drive end bearing bracket (2-1) is fixed to stator sleeve (15) by nail (9-1) vertically；Sunk screw (14-1) is vertically by rear end cap (7-
1) it is fixed to stator sleeve (15).
The 18. rotation communicator based on magnetic coupling according to claim 10 or 13, it is characterised in that armature spindle
(16) side has groove, and it is logical that lead is caused rotation by the first inner ring coil (4-1) and the second inner ring coil (4-2) by groove
Outside T unit.
The 19. rotation communicator based on magnetic coupling according to claim 10 or 13, it is characterised in that the stator
With through hole, lead is caused rotation to sleeve (15) by the first outer shroud coil (5-1) and the second outer shroud coil (5-2) by the through hole
Turn outside communicator.
The 20. rotation communicators based on magnetic coupling according to claim 18, it is characterised in that：Inner ring coil (4-
1) with inner ring coil (4-2) line outlet into 180 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611105179.2A CN106788611B (en) | 2016-12-05 | 2016-12-05 | Rotary communication device based on magnetic field coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611105179.2A CN106788611B (en) | 2016-12-05 | 2016-12-05 | Rotary communication device based on magnetic field coupling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106788611A true CN106788611A (en) | 2017-05-31 |
| CN106788611B CN106788611B (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611105179.2A Active CN106788611B (en) | 2016-12-05 | 2016-12-05 | Rotary communication device based on magnetic field coupling |
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| CN108305455A (en) * | 2018-01-08 | 2018-07-20 | 深圳市杉川机器人有限公司 | Rotating platform and rotating radar platform |
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| WO2019174114A1 (en) * | 2018-03-12 | 2019-09-19 | 深圳市杉川机器人有限公司 | Rotating device and rotating radar device |
| CN110289698A (en) * | 2019-07-05 | 2019-09-27 | 同济大学 | Radio energy transmission system and its transmission method based on three resonance coils |
| CN111585357A (en) * | 2020-06-12 | 2020-08-25 | 中国电子科技集团公司第三十六研究所 | Rotatory conducting ring of induction type via hole |
| CN115144114A (en) * | 2022-06-29 | 2022-10-04 | 广东高标电子科技有限公司 | Rotator data detection device |
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| CN111585357A (en) * | 2020-06-12 | 2020-08-25 | 中国电子科技集团公司第三十六研究所 | Rotatory conducting ring of induction type via hole |
| CN115144114A (en) * | 2022-06-29 | 2022-10-04 | 广东高标电子科技有限公司 | Rotator data detection device |
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| CN106788611B (en) | 2020-11-10 |
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