CN107394990A - A kind of efficient permanent magnet coupling transmission device - Google Patents
A kind of efficient permanent magnet coupling transmission device Download PDFInfo
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- CN107394990A CN107394990A CN201710620624.7A CN201710620624A CN107394990A CN 107394990 A CN107394990 A CN 107394990A CN 201710620624 A CN201710620624 A CN 201710620624A CN 107394990 A CN107394990 A CN 107394990A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
- H02K49/104—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element
- H02K49/106—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element with a radial air gap
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K51/00—Dynamo-electric gears, i.e. dynamo-electric means for transmitting mechanical power from a driving shaft to a driven shaft and comprising structurally interrelated motor and generator parts
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
A kind of efficient permanent magnet coupling transmission device, including：Conductor rotor, p-m rotor and conductor rotor/p-m rotor distance regulating mechanism；The p-m rotor includes magnet ring and yoke；Magnet ring has multigroup, and their radial section is all toroidal, and the center of circle is identical, and the first cavity is formed between adjacent permanent magnet ring, has the magnetic line of force to run through in the first cavity；Each magnet ring is all connected in the one side of the yoke of plate-like；Yoke, which is fixed, to be connected in power transmission shaft, and the axis of power transmission shaft passes through the center of circle of magnet ring；Power transmission shaft is connected with drive bearing；Conductor rotor and p-m rotor position are opposite, drive shaft and power transmission shaft coaxial line；Each magnet ring is non-contactly corresponded in the second cavity, and each conductor loop is non-contactly corresponded in the first cavity, forms contactless coupled structure；Multiple radiating air holes are provided with the outside bottom surface of conductor cylinder ring, radiating air holes is even through to the second cavity from the outside bottom surface of conductor cylinder ring；Multiple wind blades are also associated with conductor cylinder ring bottom surface.
Description
Technical field
The technical program belongs to permanent magnet transmission technical field, and specifically a kind of permanent magnet transmission method and efficient permanent magnet coupling pass
Dynamic device.
Background technology
Permanent magnet transmission technology is blower fan, the applicable technology of the centrifugal load variable speed energy saving of pump class.It has energy-efficient, high
Reliability, flexible connection transmit moment of torsion, can in the presence of a harsh environment apply, greatly reduce total system vibration, reduce system maintenance
The features such as with system service life is extended.Especially it does not produce higher hamonic wave, and do not cause that the motor feels hot under the slow-speed of revolution it is excellent
Good governor control characteristics, more become the first choice of blower fan and pump apparatus energy saving technical reconstruction.In the prior art, permanent magnet coupling drive
The problem of device is primarily present has, the utilization rate of permanent magnetic field is not high, leakage field situation is more serious, the interference that is subject in speed regulation process compared with
More, control stability is undesirable, equipment surface radiating is undesirable, noise problem etc. be present.
The content of the invention
In order to solve to exist in the prior art above mentioned problem, the invention proposes a kind of efficient permanent magnet coupled drive dress
Put, including：Conductor rotor, p-m rotor and conductor rotor/p-m rotor distance regulating mechanism；
The p-m rotor includes magnet ring and yoke；Magnet ring has multigroup, and their radial section is all annulus
Shape, and the center of circle is identical, and the first cavity is formed between adjacent permanent magnet ring, has the magnetic line of force to run through in the first cavity；Each permanent magnetism
Body ring is all connected in the one side of the yoke of plate-like；Yoke, which is fixed, to be connected in power transmission shaft, and the axis of power transmission shaft passes through permanent magnet
The center of circle of ring；Power transmission shaft is connected with drive bearing；Magnetic flux density (i.e. magnetic induction intensity) in yoke is less than 1.5T；
The conductor rotor includes conductor cylinder ring and conductor disc；Conductor cylinder ring is barrel shape；Conductor disc have it is multiple, they
Radial section be all toroidal, and the center of circle of each conductor disc is identical；Each conductor disc is all connected to conductor cylinder ring inner chamber
Bottom surface on, and the center of circle of conductor disc is identical with the center of circle of conductor cylinder ring；The second cavity is formed between adjacent conductor disk；Conductor cylinder
The centre position of ring is fixedly connected with drive shaft, and the axis of drive shaft passes through the center of circle of conductor disc；Drive shaft connects with driving bearing
Connect；
Conductor rotor and p-m rotor position are opposite, drive shaft and power transmission shaft coaxial line；Each magnet ring is non-contactly
Corresponding to be located in the second cavity, each conductor loop is non-contactly corresponded in the first cavity, forms contactless coupled structure；
Multiple radiating air holes are provided with the outside bottom surface of conductor cylinder ring, radiating air holes is even from the outside bottom surface of conductor cylinder ring
It is through to the second cavity；Multiple wind blades are also associated with conductor cylinder ring bottom surface；
Spacing maximum between the end face and magnet ring end face of conductor disc is 100mm, and minimum value is negative, at this most
Under small value, keep the end face of conductor disc and the first cavity bottom surface is contactless state, and magnet ring end face and the second cavity
Bottom surface is contactless state；Under conductor disc and magnet ring relative rotation state, the magnetic line of force in the first cavity is cut by conductor disc
Cut；
The conductor rotor/p-m rotor distance regulating mechanism includes motor, worm/worm-wheel unit and travelling carriage；Transmission
Bearing is slidably connected with travelling carriage；Connected between the rotor and drive bearing of motor by worm/worm-wheel unit, drive bearing
Glide direction is parallel with the axis direction of power transmission shaft.
Further, the conductor rotor/p-m rotor distance regulating mechanism is by PLC and control manually.(such as motor by
PLC is controlled).
Further, the material of the magnet ring is sintered body Nd-Fe-B permanent magnetic, and the material of conductor disc is Kufil.
Further, the permanent magnetism form of the magnet ring is ring-like radiation field magnet ring or ring-like radial magnetic field permanent magnetism
Body ring.
Further, the material of the wind blade is made by inorganic material synthesis technique.
Further, the multiple wind blade is divided into three groups；
Fan-shaped air channel, first annular air channel and the second annular passage are laid in the outside bottom surface of conductor cylinder ring；
The fan-shaped air channel：It is separated out in the outside bottom surface of conductor cylinder ring multiple on the symmetrical identical fan section in the center of circle
Domain；Multiple parallel wind blades, the length direction of wind blade and the outside bottom of conductor cylinder ring are furnished with each sector region
The tangential direction of the circumference in face is identical, forms fan-shaped air channel；Air channel is not set between adjacent fan-shaped air channel；The footpath of the wind blade
It is waveform to the shape in section.
The first annular air channel：First annular region, first annular region are separated out in the outside bottom surface of conductor cylinder ring
On be furnished with multiple wind blades, the length direction of wind blade is identical with the radial direction of the outside bottom surface of conductor cylinder ring；
Interval is furnished with radiating air holes in one annular region；Radiating air holes region does not set wind blade；
Second annular passage：The second annular region, the second annular region are separated out in the outside bottom surface of conductor cylinder ring
Inner edge close to drive shaft outer rim；Multiple parallel wind blades are furnished with second annular region, their length direction is put down
Straight line where going or coinciding with a diameter of the outside bottom surface of conductor cylinder ring；
First and second annular region and fan-shaped air channel region overlapping position, the wind blade in fan-shaped air channel is not laid.
The invention solves some problems present in prior art, more practical.
Brief description of the drawings
Fig. 1 efficient permanent magnet coupling transmission device overall structure diagrams；
In figure：Drive shaft 101, drive end 102, power transmission shaft 103, bearing travelling carriage 104, conductor rotor 105, permanent magnetism turn
Son 106, wind blade 107, integral intelligent regulation box 108, driving bearing 109, drive bearing 110, worm screw 111, radiation air
Hole 112, yoke 113, driving end 114.
Fig. 2-1 is the schematic perspective view of ring-like radiation field magnet ring；
Fig. 2-2 is the floor map of ring-like radiation field magnet ring；
Fig. 3-1 is the schematic perspective view of ring-like radial magnetic field magnet ring；
Fig. 3-2 is the floor map of ring-like radial magnetic field magnet ring；
Fig. 4 conductor disc outside structure diagrams；
In figure：Fan-shaped 401, first (outer) of air channel annular passage 402, radiating air holes 403, second (interior) annular passage
404。
Wind blade schematic diagram in Fig. 5 sectors air channel；
In figure：The part 501 in fan-shaped air channel；
Wind blade schematic diagram in the annular passages of Fig. 6 second；
In figure：Wind blade 601, the second annular passage 602, radiating air holes 603.
Embodiment
This programme is illustrated with reference to embodiment and principle：
A kind of efficient permanent magnet coupling transmission device, including：Between conductor rotor, p-m rotor and conductor rotor/p-m rotor
Distance regulating mechanism；
The p-m rotor includes magnet ring and yoke；Magnet ring has multigroup, and their radial section is all annulus
Shape, and the center of circle is identical, and the first cavity is formed between adjacent permanent magnet ring, has the magnetic line of force to run through in the first cavity；Each permanent magnetism
Body ring is all connected in the one side of the yoke of plate-like；Yoke, which is fixed, to be connected on power transmission shaft, and the axis of power transmission shaft passes through permanent magnetism
The center of circle of body ring；Power transmission shaft is connected with drive bearing；Magnetic flux density (i.e. magnetic induction intensity) in yoke is less than 1.5T；
The conductor rotor includes conductor cylinder ring and conductor disc；Conductor cylinder ring is barrel shape；Conductor disc have it is multiple, they
Radial section be all toroidal, and the center of circle of each conductor disc is identical；Each conductor disc is all connected to conductor cylinder ring inner chamber
Bottom surface on, and the center of circle of conductor disc is identical with the center of circle of conductor cylinder ring；The second cavity is formed between adjacent conductor disk；Conductor cylinder
The centre position of ring is fixedly connected with drive shaft, and the axis of drive shaft passes through the center of circle of conductor disc；Drive shaft connects with driving bearing
Connect；
Conductor rotor and p-m rotor position are opposite, drive shaft and power transmission shaft coaxial line；Each magnet ring is non-contactly
Corresponding to be located in the second cavity, each conductor loop is non-contactly corresponded in the first cavity, forms contactless coupled structure；
Multiple radiating air holes are provided with the outside bottom surface of conductor cylinder ring, radiating air holes is even from the outside bottom surface of conductor cylinder ring
It is through to the second cavity；Multiple wind blades are also associated with conductor cylinder ring bottom surface；
Spacing maximum between the end face and magnet ring end face of conductor disc is 100mm, and minimum value is negative, at this most
Under small value, keep the end face of conductor disc and the first cavity bottom surface is contactless state, and magnet ring end face and the second cavity
Bottom surface is contactless state；Under conductor disc and magnet ring relative rotation state, the magnetic line of force in the first cavity is cut by conductor disc
Cut；
The conductor rotor/p-m rotor distance regulating mechanism includes motor, worm/worm-wheel unit and travelling carriage；Transmission
Bearing is slidably connected with travelling carriage；Connected between the rotor and drive bearing of motor by worm/worm-wheel unit, drive bearing
Glide direction is parallel with the axis direction of power transmission shaft.
Further, the conductor rotor/p-m rotor distance regulating mechanism is by PLC and control manually
Further, the material of the magnet ring is sintered body Nd-Fe-B permanent magnetic, and the material of conductor disc is Kufil.
Further, the permanent magnetism form of the magnet ring is ring-like radiation field magnet ring or ring-like radial magnetic field permanent magnetism
Body ring.
Further, the material of the wind blade is made by inorganic material synthesis technique.
Further, the shape of the radial section of the wind blade is waveform.
Further, the multiple wind blade is divided into three groups；
Fan-shaped air channel, first annular air channel and the second annular passage are laid in the outside bottom surface of conductor cylinder ring；
The fan-shaped air channel：It is separated out in the outside bottom surface of conductor cylinder ring multiple on the symmetrical identical fan section in the center of circle
Domain；Multiple parallel wind blades, the length direction of wind blade and the outside bottom of conductor cylinder ring are furnished with each sector region
The tangential direction of the circumference in face is identical, forms fan-shaped air channel；Air channel is not set between adjacent fan-shaped air channel；
The first annular air channel：First annular region, first annular region are separated out in the outside bottom surface of conductor cylinder ring
On be furnished with multiple wind blades, the length direction of wind blade is identical with the radial direction of the outside bottom surface of conductor cylinder ring；
Interval is furnished with radiating air holes in one annular region；Radiating air holes region does not set wind blade；
Second annular passage：The second annular region, the second annular region are separated out in the outside bottom surface of conductor cylinder ring
Inner edge close to drive shaft outer rim；Multiple parallel wind blades are furnished with second annular region, their length direction is put down
Straight line where going or coinciding with a diameter of the outside bottom surface of conductor cylinder ring；
First and second annular region and fan-shaped air channel region overlapping position, the wind blade in fan-shaped air channel is not laid.
The principle of the technical program is described as follows：
First, the characteristics of efficient permanent magnet coupling transmission device
The technological parameter that permanent magnet transmission technology is run according to system motor, economize on electricity ratio can reach more than 50%.Efficiently
Permanent magnet coupling drive device is by the interaction of air-gap field between electric conductor and permanent magnet, is reached by motor to load
Purpose is transmitted in torque, can be realized the stepless speed regulation of water pump, blower fan even load, be reached energy-saving, smooth running purpose.Solve
The soft start of system, harmonic wave interference, stepless speed control, overload protection, vibration damping, installation are simple (allowing error of centralization 1mm), without easily
Damage part, without greasy dirt the advantages that.
2nd, the efficient permanent magnet coupling transmission device structure and working principle of the invention：
The efficient permanent magnet coupling transmission device is made up of (see Fig. 1) conductor rotor, p-m rotor and executing agency；Efficiently forever
Conductor rotor in magnetic coupling transmission device is novel alloy material conductor cylinder ring, and p-m rotor is that security reliability is higher, property
Can more superior specification novel sintered body neodymium iron boron Nd-Fe-B permanent magnet radiation rings (Fig. 2-1,2-2,3-1,3-2), permanent magnetism spoke
Penetrate outside ring and nonferromugnetic material cylinder ring support is installed.Between p-m rotor and conductor rotor according to permanent magnet and conductor rotor it
The effective range of intermolecular forces keeps spacing within 100mm, and keeps the contactless coupled state of 1mm minimum ranges, and distance is forever
Magnet is nearer, and permanent magnetic field is stronger, and caused induced field is bigger in conductor rotor, and active force between the two is bigger, on the contrary
It is as the same.Installation uses the wind blade of synthetic inorganic material smithcraft on the outside of conductor rotor, reduces rotor surface heat flux,
Improve radiating efficiency.When motor rotates, conductor rotor cutting magnetic line in high-intensity magnetic field caused by p-m rotor, conductor are driven
Middle generation vortex flow, the vortex flow and then the generation dislike magnetic field around conductor, dislike magnetic field interact work with the magnetic field of permanent magnet
With, the relative motion of conductor rotor and p-m rotor is prevented, it is achieved thereby that moment of torsion transmission between motor and load, according to difference
Power output efficient permanent magnet coupling transmission device sets cooling system to ensure system high efficiency operation.Pass through Intelligent manual and electronic one
Body modulator changes conductor rotor and p-m rotor relative position, and then to change conductor rotor and the phase of p-m rotor magnetic pole
To angle and distance, change both gap and area of contacts；.To regulate and control the inducing eddy-current of conductor rotor, so as to change conductor
Torque caused by magnetic field intensity effect, realizes drive speed-adjusting between rotor and p-m rotor.Wherein p-m rotor and the biography on the outside of it
Dynamic bearing is connected, and installation bearing travelling carriage, makes p-m rotor, drive bearing, bearing travelling carriage form entirety on the outside of drive bearing
Change unit；Respective gear is utilized to be intermeshed with worm screw longitudinally through power transmission shaft, bearing travelling carriage outside on the inside of bearing travelling carriage
Passing power and the machine driving of motion.Worm screw upper end is connected with manual and electromotion integrated intelligent control case.Integral intelligent
The programmable controller (PLC) of regulation box can receive the signals such as pressure, flow, displacement, rotating speed and position sensor and export
Control signal drives the governor motion servomotor pushing meanss of intelligent control case, rotates gear on worm, and band dynamic bearing is slided
Moving frame is moved along a straight line, and changes conductor rotor and p-m rotor relative position, and it is produced corresponding according to the size of control signal
Thrust；Also the handwheel band dynamic bearing travelling carriage gear movement of rotatable intelligent control case.
This efficient permanent magnet coupling transmission device uses major diameter polytropism sintered NdFeB annular permanent magnet, efficient permanent magnet coupling
The p-m rotor permanent magnetism form for closing transmission device can be ring-like radial magnetic field magnet ring (Fig. 3-1,3-2) and ring-like radiative collision
Field magnet ring (Fig. 2-1,2-2).It improves magnetic field closeness and uniformity than existing fan-shaped magnet, good integrity,
Radial magnetic ring is firmer.Compared with the p-m rotor of assembly, the magnetic line of force is complete, can design any more magnetic poles, reduce
A part of flux loss；The structure (Fig. 2, Fig. 3) of the high symmetry of magnet ring, magnetic field space distribution height is uniform, magnetic flux
It is stable lasting；Output torque value improves, and is moved to low revolutional slip area, obtains the output of higher efficiency；Total conductor current amount is reduced,
Caloric value is reduced, and the load that can be born improves, and reduces installation time, reduces equipment cost；Radiating mode is wind blade,
Along three direction solid uniform heat conductions, equipment surface heat flux is reduced, improves noise problem, reduces noise pollution.
From Essential Analysis, efficient permanent magnet coupling transmission device (Fig. 1) is a magnetic-field motor；Magnetic flux caused by permanent magnet
The overwhelming majority then to after adjacent pole, is finally then passed through the air gap by the air gap, alloy conductor disk, the air gap
The complete magnetic line of force is formed with alloy conductor disk, here it is the main flux of permanent magnet.Also sub-fraction magnetic flux is by the air gap
Form magnetic loop, that is, leakage magnetic flux.Gapless between the invention adjacent pole, magnetic circuit is complete, and magnetic flux path more optimizes,
Magnetic resistance is reduced, and the magnetic line of force is intensive, uniform, and magnetic field intensity is big, and the utilization rate of permanent magnetic field is high.
It can be obtained by magnetic field analysis, in the case of magnetic circuit is undersaturated in yoke, leakage magnetic flux only accounts for total magnetic flux 3%, permanent magnetism
Disk and transmission side increase yoke shell, ensure that leakage magnetic flux closes in yoke inner track, i.e., beyond yoke, in the absence of leakage field
It is logical；The magnetic leakage free namely outside magnetic actuator.The invention permanent magnetism plate edge increase alloy conductor disk length, make its with
Yoke forms closing space, it is ensured that not leakage field；During design, to make the magnetic circuit of yoke part unsaturated, the magnetic flux in palpus yoke is close
Degree is less than 1.7T, because the saturation point of all ferrimagnets is 1.7T, needs to ensure the thickness of yoke for this.The present invention
Create and the magnetic density control in yoke is less than 1.5T, ensure box hat equal not leakage field outside.
The single-side magnetic field of the more spliced disk of cartridge type actinocytic disk of this programme is the uniform divergence expression magnetic field of surrounding,
And radiation perimeter all forms closed magnetic path with alloy conductor disk, substantially increases output torque, and then reduce same moment of torsion
When permanent magnetic disk volume；And spliced permanent magnetic disk design when consider less than magnetic flux path it is more, regulation rotating speed be error
It is larger, it is unstable.The invention almost considers all magnetic circuits caused by permanent magnet reality when magnetic field calculates, and makes speed governing
The interference being subject in journey is reduced, and control is more stable, realizes stepless stepless speed control, stable not hop rate.
The conductor disc of this programme uses Kufil material, conductive compared with the copper, aluminium alloy conductor disk with other products, lead
It is hot higher, there is the ability of stronger anticorrosive, resistance to organic acids and base, be not easy to be oxidized under common temperature and humidity, be adapted to
The adverse circumstances in modern industry, manufacturing cost price are slightly higher；Its resistivity is about in 1.68*10-8Ω m, between silver and copper it
Between, its magnetic flux path is optimized, and magnetic resistance is reduced, and magnetic flux always closes along the maximum path of magnetic conductance, caused dislike magnetic
Field intensity is lifted, and is strengthened with the interaction force in p-m rotor magnetic field, output torque improves.The heat transfer of copper silver conductor disk simultaneously
Coefficient about 418W/m.k, heat absorption and thermal diffusivity make the heat energy inside conductor rotor be delivered to conductor dish cart rapidly also above other
Face, distributed with wind blade, improving heat radiation efficiency, strengthening system stability.
The invention conductor disc radiating mode is wind blade (Fig. 1, Fig. 4), along three direction solid uniform heat conductions, is led
Hot coefficient is high, efficiently reduces equipment surface heat flux, improves noise problem, reduces noise pollution.The invention sector air channel
Interior wind blade is wave (Fig. 5), can increase effective contact area of wind blade and air, and then improve air
Exchange rate and wind-force, preferably have the function that quick heat radiating；In the middle part of conductor disc and disk body central part design first, the
Second ring air channel, there is the radiating air holes through conductor disc at middle part, and outer ring air channel connect with radiating air holes, and the air holes that radiates can be with
Make on the outside of the rapid device for transferring of heat on the inside of conductor disc in narrow and small hemi-closure space, outer shroud air channel can accelerate to flow through radiation air
The discharge of hole heat, annular passage preferably can by undischarged waste heat air circulation in fan-shaped air channel to during circuit with faster speed edge
Surrounding diffusion discharge, annular passage is bar formula wind blade (Fig. 6), can pass through in narrow and small annular groove hot-air most fast
Air channel is discharged, and improves radiating efficiency；The air channel of the design connects completely, without hindrance on air channel, greatly reduces noise.The present invention
Creating specific air holes and air channel needs basis to be actually needed design.
3rd, the invention is applied to Intelligent adjustment type executing agency and intelligent internet of things system
At present, increasing factory is mechanical using automatic control system and Intelligentized internet-of-thing system, manual operation
Being replaced with automation equipment, manager can obtain and change the information such as equipment operational factor by terminals such as mobile phone or PC,
Therefore this efficient permanent magnet coupling transmission device uses intelligent electric actuating mechanism and Internet of things system.The motion of its output shaft is straight
Lineal travel formula, by the use of electric energy as AC servo machinery driving power supply, receive intelligence instrument or adjuster in process system and send
0~the 10V or 4~20mA DC standard electric signals come, it is converted into executing agency's internal output bit through intelligent actuator and moves thrust control
Signal processed, completion automatically adjusts p-m rotor and conductor rotor gap, and then controls output torque, adjusts load speed.Simultaneously
Teledata calling, device diagnostic, program maintenance, fault alarm and quick response etc. are realized by intelligent internet of things system, it is right
It is particularly important in the environmental working condition such as bad environments, unattended, and the system sets memory to circulate preservation history number every year
Recorded according to fault alarm, be easy to customer analysis to refer to.
Intelligent regulating system major function is two big systems of collection and regulation.Acquisition system mainly by intelligence sensor and
Instrument collects site environment parameter and service data information, such as：Equipment operation voltage, electric current, power, power consumption, rotating speed, turn
Square, volume, start time, status display, fault alarm；The running temperatures such as conductor disc, permanent magnetic disk, bearing, vibrations parameter, efficiently
The pressure of permanent magnetic transmission device output end processing medium, flow, temperature etc.；Regulating system by intelligent electric actuating mechanism according to
Different time, different operating mode processing medium Parameters variation control device running statuses, reach technological requirement, ensure system high efficiency fortune
OK.This product is compatible most industrial fields background monitoring system and long-range DCS control systems at present, and design data is shared to hold
Mouth is reserved, i.e., being used for the series of PLC control cabinets such as live Siemens, Schneider, Mitsubishi and man-machine interface after data acquisition all the way makes
With；Switchgear house disk cabinet and background monitoring system and instrument rack room DCS control systems is kept for (to be needed voluntarily according to client all the way
Select IO addresses).Regulating system is using the more stable double closed-loop control system of speed governing, the process operation mainly set according to factory
Parameter request, the operation of automatic control equipment, such as when the processing medium traffic requirement of system requirements a certain period reaches 100%
When, intelligent flow instrument feedback stream amount is now 80%, then for live PLC control cabinet by comparing, continuous control performs machine
Structure is adjusted, until value of feedback is identical with setting value.
Intelligent internet of things system is mainly by terminal user's module, a line service module, three big portion of back-stage management support module
It is grouped into；The industry internet intelligent transportation terminal (DTU, RTU or wireless Modem) of terminal user's module by RS485,
RS232 or MODBUS agreements are connected with field apparatus PLC data transmission port, and industry internet intelligent transportation terminal collects
In efficient permanent magnet coupling transmission device PLC after data message described above, by means of networks such as GPRS, CDMA, 3G, 4G
Platform (needing to select according to geographical position and user) and the RUNJU cloud platforms data processing centre communication of Surveillance center connect,
Back-stage management support module data processing centre to data carry out Treatment Analysis after, then by Ethernet, GPRS, CDMA, 3G,
The network sharings such as 4G, WiFi are given to the PC ends of terminal user and a line service module after-sale service department, cell phone application etc..User
The data that personnel and after-sale service personnel obtain are completely the same, are advantageous to after-sale service Quality advance；Cloud platform Data processing
Heart back-stage management department can set the access rights such as user, after-sale service department, with preferably for customer information secrecy kimonos
Business.
4th, magnet calculates and magnet design general principle
Magnet calculates and design uses Spatial Magnetic Fields Produced by Permanent Magnets analysis system, has necessarily along magnetizing direction in permanent magnet
Remanent magnetization, or perhaps certain polarization current is dispersed with inside magnet, this is that permanent magnet externally shows macroscopic view
The root of magnetic.When each point magnetization M is identical in magnet, polarization current is only distributed in the surface of magnet, surface current density j
=M × n (n is magnet surface normal direction unit vector)；Because magnetostatic interaction causes the intensity of magnetization uneven inside magnet
When even, in addition to magnet surface, volume current density is also distributed with inside magnet(vector product).
The distribution of polarization current and size in magnet is determined, so that it may determine that space is any according to Biot-Savart law
The magnetic induction density B of a bit；
Wherein：μ0For space permeability, r is the radius vector that polarization current to space calculates point, and j is surface current density, and δ is body
Current density, dV are magnet volume, and dS is magnet volume.
The set of permanent magnets that permanent magnet is mainly fan-shaped and annular has higher-symmetry synthesizes, according to circumstances different, with reference to
A variety of direction of magnetizations, select the classification such as radial magnetization segment, the flat side segment of diametrical magnetization.System is to be directed to single letter in itself
Single magnet and establish, but utilize some simple skills, solve the problems, such as efficient permanent magnet coupling transmission device permanent magnet combination.
5th, application field
It is mainly used in the industries such as metallurgy, oil, chemical industry, cement, electric power, building materials, coal, mining.
Claims (6)
1. a kind of efficient permanent magnet coupling transmission device, it is characterized in that including：Conductor rotor, p-m rotor and conductor rotor/permanent magnetism
Rotor distance regulating mechanism；
The p-m rotor includes magnet ring and yoke；Magnet ring has multigroup, and their radial section is all toroidal,
And the center of circle is identical, the first cavity is formed between adjacent permanent magnet ring, has the magnetic line of force to run through in the first cavity；Each magnet ring is all
It is connected in the one side of the yoke of plate-like；Yoke, which is fixed, to be connected on power transmission shaft, and the axis of power transmission shaft is through magnet ring
The center of circle；Power transmission shaft is connected with drive bearing；Magnetic flux density in yoke is less than 1.5T；
The conductor rotor includes conductor cylinder ring and conductor disc；Conductor cylinder ring is barrel shape；Conductor disc has multiple, their footpath
All it is toroidal to section, and the center of circle of each conductor disc is identical；Each conductor disc is all connected to the bottom of conductor cylinder ring inner chamber
On face, and the center of circle of conductor disc is identical with the center of circle of conductor cylinder ring；The second cavity is formed between adjacent conductor disk；Conductor cylinder ring
Centre position is fixedly connected with drive shaft, and the axis of drive shaft passes through the center of circle of conductor disc；Drive shaft is connected with driving bearing；
Conductor rotor and p-m rotor position are opposite, drive shaft and power transmission shaft coaxial line；Each magnet ring non-contactly corresponds to
In the second cavity, each conductor loop is non-contactly corresponded in the first cavity, forms contactless coupled structure；
Multiple radiating air holes are provided with the outside bottom surface of conductor cylinder ring, radiating air holes even runs through from the outside bottom surface of conductor cylinder ring
To the second cavity；Multiple wind blades are also associated with conductor cylinder ring bottom surface；
Spacing maximum between the end face and magnet ring end face of conductor disc is 100mm, and minimum value is negative, in the minimum value
Under, keep the end face of conductor disc and the first cavity bottom surface is contactless state, and magnet ring end face and the bottom surface of the second cavity
It is contactless state；Under conductor disc and magnet ring relative rotation state, the magnetic line of force in the first cavity is cut by conductor disc；
The conductor rotor/p-m rotor distance regulating mechanism includes motor, worm/worm-wheel unit and travelling carriage；Drive bearing
It is slidably connected with travelling carriage；Connected between the rotor and drive bearing of motor by worm/worm-wheel unit, the slip of drive bearing
Direction is parallel with the axis direction of power transmission shaft.
2. transmission device according to claim 1, it is characterized in that the conductor rotor/p-m rotor distance regulating mechanism by
PLC and manually control.
3. transmission device according to claim 1, it is characterized in that the material of the magnet ring be sintered body neodymium iron boron forever
Magnetic, the material of conductor disc is Kufil.
4. transmission device according to claim 1, it is characterized in that the permanent magnetism form of the magnet ring is ring-like radiative collision
Field magnet ring or ring-like radial magnetic field magnet ring.
5. transmission device according to claim 1, it is characterized in that the material of the wind blade is synthesized by inorganic material
Technique is made.
6. transmission device according to claim 1, it is characterized in that the multiple wind blade is divided into three groups；
Fan-shaped air channel, first annular air channel and the second annular passage are laid in the outside bottom surface of conductor cylinder ring；
The fan-shaped air channel：It is separated out in the outside bottom surface of conductor cylinder ring multiple on the symmetrical identical sector region in the center of circle；Often
Multiple parallel wind blades, the length direction of wind blade and the circle of the outside bottom surface of conductor cylinder ring are furnished with individual sector region
The tangential direction in week is identical, forms fan-shaped air channel；Air channel is not set between adjacent fan-shaped air channel；The footpath of the wind blade in fan-shaped air channel
It is waveform to the shape in section；
The first annular air channel：It is separated out first annular region in the outside bottom surface of conductor cylinder ring, cloth on first annular region
There are multiple wind blades, the length direction of wind blade is identical with the radial direction of the outside bottom surface of conductor cylinder ring；In the first ring
Interval is furnished with radiating air holes on shape region；Radiating air holes region does not set wind blade；
Second annular passage：Be separated out the second annular region in the outside bottom surface of conductor cylinder ring, the second annular region it is interior
Outer rim of the edge close to drive shaft；Be furnished with multiple parallel wind blades in second annular region, their length direction it is parallel or
Straight line where coinciding with a diameter of the outside bottom surface of conductor cylinder ring；
First and second annular region and fan-shaped air channel region overlapping position, the wind blade in fan-shaped air channel is not laid.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710620624.7A CN107394990B (en) | 2017-07-26 | 2017-07-26 | High-efficiency permanent magnet coupling transmission device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710620624.7A CN107394990B (en) | 2017-07-26 | 2017-07-26 | High-efficiency permanent magnet coupling transmission device |
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| CN107394990A true CN107394990A (en) | 2017-11-24 |
| CN107394990B CN107394990B (en) | 2023-05-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115229942A (en) * | 2022-09-25 | 2022-10-25 | 常州市武进红东电子有限公司 | Pneumatic pressing device and method for preparing small-size sintered neodymium-iron-boron multi-pole magnetic ring |
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| CN101917112A (en) * | 2010-07-15 | 2010-12-15 | 江苏大学 | Remote automatic control adjustable-speed disc magnetic coupling |
| CN103915975A (en) * | 2014-04-11 | 2014-07-09 | 青岛斯普瑞能源科技有限公司 | Cylindrical rotating plate permanent magnet coupler |
| CN204761271U (en) * | 2015-06-13 | 2015-11-11 | 河南宏天实业有限公司 | Three cylinder magnetic transmission speed regulators |
| CN207184306U (en) * | 2017-07-26 | 2018-04-03 | 江苏润聚环保科技有限公司 | A kind of efficient permanent magnet coupling transmission device |
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2017
- 2017-07-26 CN CN201710620624.7A patent/CN107394990B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101917112A (en) * | 2010-07-15 | 2010-12-15 | 江苏大学 | Remote automatic control adjustable-speed disc magnetic coupling |
| CN103915975A (en) * | 2014-04-11 | 2014-07-09 | 青岛斯普瑞能源科技有限公司 | Cylindrical rotating plate permanent magnet coupler |
| CN204761271U (en) * | 2015-06-13 | 2015-11-11 | 河南宏天实业有限公司 | Three cylinder magnetic transmission speed regulators |
| CN207184306U (en) * | 2017-07-26 | 2018-04-03 | 江苏润聚环保科技有限公司 | A kind of efficient permanent magnet coupling transmission device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115229942A (en) * | 2022-09-25 | 2022-10-25 | 常州市武进红东电子有限公司 | Pneumatic pressing device and method for preparing small-size sintered neodymium-iron-boron multi-pole magnetic ring |
| CN115229942B (en) * | 2022-09-25 | 2022-11-29 | 常州市武进红东电子有限公司 | Pneumatic pressing device and method for preparing small-size sintered neodymium-iron-boron multi-pole magnetic ring |
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| CN107394990B (en) | 2023-05-26 |
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