WO2010148990A1 - Dispositif de couplage à aimant permanent - Google Patents

Dispositif de couplage à aimant permanent Download PDF

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Publication number
WO2010148990A1
WO2010148990A1 PCT/CN2010/074056 CN2010074056W WO2010148990A1 WO 2010148990 A1 WO2010148990 A1 WO 2010148990A1 CN 2010074056 W CN2010074056 W CN 2010074056W WO 2010148990 A1 WO2010148990 A1 WO 2010148990A1
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WIPO (PCT)
Prior art keywords
permanent magnet
rotor disk
armature winding
coupling
disk
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PCT/CN2010/074056
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English (en)
Chinese (zh)
Inventor
林贵生
余亚莉
Original Assignee
Lin Guisheng
Yu Yali
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Application filed by Lin Guisheng, Yu Yali filed Critical Lin Guisheng
Publication of WO2010148990A1 publication Critical patent/WO2010148990A1/fr

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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
    • H02K49/108—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element with an axial air gap

Definitions

  • the invention relates to the field of motor drag and load speed regulation systems, in particular to an efficient transmission shaft permanent magnet coupling device.
  • the electricity consumption of the motor system accounts for about 60% of the global electricity consumption.
  • the electricity consumption of fans, pumps, compressors and air conditioners accounts for 10.4%, 20.9%, 9.4% and 6% of the global electricity consumption, respectively.
  • the motor system is large in quantity and wide in area, and has great potential for saving electricity.
  • the existing installed capacity of various types of motor systems is about 420 million kilowatts, and the operating efficiency is 10-20 percentage points lower than the foreign advanced level, equivalent to about 150 billion kilowatt hours of wasted energy per year.
  • the motor and the driven equipment are inefficient, and the motors, fans, pumps and other equipment are outdated, the efficiency is 2-5 percentage points lower than the foreign advanced level; the system matching is unreasonable, the “big horse trolley” phenomenon is serious, and the equipment is long-term low.
  • Cascade speed control technology can recover the slip power, but it is not suitable for squirrel cage type asynchronous motor, the motor must be replaced; soft start can not be realized, the starting process is very complicated; the starting current is large; the speed regulation range is limited; the response is slow, not easy Realize closed-loop control; low power factor and efficiency, and drastically decrease with the speed reduction; it is difficult to achieve the same PLC, DCS
  • the coordination of the control system is not beneficial to improve the overall automation of the device and to achieve optimal control. At the same time, because the control device is more complicated, the harmonic pollution has greater interference to the power grid; further restricting its use is a backward technology.
  • the electromagnetic slip is controlled by the speed control technology of the table, and the speed adjustment of the magnetic pole is realized by controlling the excitation current of the electromagnetic clutch.
  • This system generally also adopts the closed loop control of the speed. All the differential power of the speed control system is consumed, and the consumption of the differential power is increased in exchange for the decrease of the rotational speed, the slip rate is increased, the slip power is also increased, and the heat is consumed in the rotor circuit, so that The system efficiency is also reduced.
  • This kind of speed control system has the problem that the wider the speed regulation range, the larger the slip power, and the lower the system efficiency, the matching control device is also more complicated, so it is not worth promoting.
  • the hydraulic coupling speed control technology is an inefficient speed regulation mode with limited speed range.
  • the high speed drop is about 5%--10%, and the low speed slip loss is large, up to 30% of the rated power.
  • Low precision, poor linearity, slow response, large starting current, large device, not suitable for transformation; easy to leak, complicated maintenance, high cost, can not meet the needs of improving the overall automation level of the device.
  • the frequency conversion speed regulation technology is a relatively common and relatively advanced technology at present, and adopts power electronic technology to realize the adjustment of the speed of the motor, which can be automatically controlled according to actual working conditions, and can achieve a certain energy saving effect.
  • the frequency conversion equipment is easy to generate harmonics, and the high-power inverter has very large harmonic pollution to the power grid; it is also more expensive for the space environment and requires an air-conditioning environment; high failure rate under high-voltage environment, poor safety, variable frequency speed control system Professional maintenance is required, and the spare parts need to be replaced frequently.
  • the maintenance cost is high and the speed regulation range is small. Especially in the case of low speed operation, the motor is damaged, and the corresponding variable frequency motor is needed.
  • Permanent magnet coupling and speed control technology permanent magnet coupling torque transmission or drive and speed regulation is the most advanced motor drag and speed control technology that is being further researched and developed.
  • the main advantages are as follows: 1 energy saving, stepless adjustment of speed, speed range of 0---98%; 2 simple structure; 3 high reliability, easy to install, not afraid of harsh environment, Long life up to 25 More than 4 years; 4 soft start, the motor is completely started under no load, greatly reducing the starting current; 5 is not afraid of blocking, not afraid of pulse type load, protect the motor, mechanical seal; 6 tolerate shaft eccentricity, with load isolation, reduce vibration and noise; 7 extend equipment life, increase the cycle of failure, Reduce maintenance requirements; 8 no harmonic hazard, no damage to the motor, does not affect the safety of the grid; 9 no electromagnetic interference; 10 total cost of owners is relatively low.
  • a well-known permanent magnet coupling torque transmission or driving mechanism is described in US Pat. No. 5,477,094.
  • the conductor rotor disk has a relative motion with the permanent magnet rotor disk.
  • An induced eddy current is generated, which in turn generates a reverse induced magnetic field that interacts with a magnetic field generated by the permanent magnet rotor disk to generate magnetic torque between the conductor rotor disk and the permanent magnet rotor disk, preventing the conductor rotor disk from The relative movement of the permanent magnet rotor disk, so that a magnetic torque transmission structure is constructed between the conductor rotor disk and the permanent magnet rotor disk, and one rotor disk drives the other rotor disk to rotate in the same direction, thereby driving the load to perform a rotary motion.
  • a permanent magnet coupling torque transmission or driving device is arranged between the motor shaft and its corresponding load shaft, a copper conductor rotor disk is arranged on the motor (or load) shaft, and a permanent magnet rotor is arranged on the load (or motor) shaft.
  • the disk because the motor rotates, drives the copper conductor rotor disk to cut the magnetic lines of force in the strong magnetic field generated by the permanent magnet rotor disk, thereby generating an eddy current in the copper conductor rotor disk, which in turn generates an objection around the copper conductor rotor disk.
  • the magnetic field prevents the relative movement of the copper conductor rotor disk and the permanent magnet rotor disk, thereby achieving torque transmission or drive between the motor and the load.
  • the permanent magnet coupling torque transmission or drive and governor products are designed and manufactured according to the working mechanism and technical solutions.
  • the related series of the Magna Drive Company of the United States is also the latest in the global market.
  • the only permanent magnet coupling and governor product has been recognized and welcomed by the market; however, due to its permanent magnet coupling torque transmission or drive mechanism and conductor rotor disk structure, the conductor rotor disk and permanent magnet rotor Under the same conditions that the disc size, air gap spacing, shaft speed and speed difference are determined, the magnetic torque transmission power per unit volume is still relatively small, and the permanent magnet coupling torque transmission or driving efficiency is relatively low, and the heat generation is relatively large.
  • the design and manufacture of ultra-high-power permanent magnet coupling and speed control devices are limited by cost and technology.
  • the related heat dissipation technology has also become a design and production permanent.
  • a technical bottleneck in the magnetic coupling series According to the survey, the permanent magnet coupling or governor products using the currently known technical solutions, under the condition of 750 rpm, the power of the air-cooled permanent magnet coupling or governor can only be about 130 kW, at 1500 rpm. Under the condition of /, the power of air-cooled permanent magnet coupling or governor can only be about 300 kW, and its popularization and application is greatly limited.
  • the induced eddy current generated on the conductor rotor disk due to the undefined flow direction and the disorder of the micro metal structure inside the conductor disk, they are necessarily Disordered, inconsistent, and unmarginal, as is the case; likewise, since the magnetic field generated by the induced eddy current does not have a set magnetic flux path, there will be some adjacent and opposite or messy in the magnetic coupling process.
  • the induced magnetic fields generated by the induced eddy current cancel each other out, and the density of the induced magnetic flux is dispersed due to the undefined magnetic flux path, so that a large amount of inductive power and magnetic energy are scattered on the conductor plate or are not fully utilized, so that the conductor rotor
  • the disk heats up and causes a series of more serious consequences, such as: temperature rise, conductor resistivity increases, induced eddy current decreases, magnetic torque decreases, magnetic torque transmission or drive efficiency is not high; temperature rises, permanent magnets
  • the demagnetization effect will also accelerate, resulting in a reduction in the permanent magnet coupling and the operating life of the governor, which has to be taken recently. Advanced thermal cooling measures, to further enlarge and difficulty magnetic coupling power increase, the high cost of the product. These have largely limited the development and popularization of permanent magnet coupling technology products.
  • the object of the present invention is to provide an efficient transmission shaft permanent magnet coupling device, which can improve and overcome the above-mentioned shortcomings, defects and related technical bottlenecks of the permanent magnet coupling and governor products, and can greatly improve the permanent magnet coupling and speed regulation.
  • the torque transmission or driving power that can be provided by the unit volume of the product, and greatly improve the magnetic torque transmission or driving efficiency, reduce the heat generation, and effectively solve the various aspects of the current permanent magnet coupling and governor products in the design and production process.
  • the armature winding when the armature winding rotates in the permanent magnetic air gap magnetic field constructed and generated by the permanent magnet group or there is a slip between the two, the armature winding induces an electromotive force by cutting the permanent magnetic air gap magnetic field.
  • the direction of the induced electromotive force is determined according to the right-hand rule.
  • the two effective sides of the armature winding coil simultaneously cut the magnetic fields in opposite directions of the magnetic field, and the electromotive force at both ends of the armature winding is the sum of the induced electromotive forces of all the series conductors in the two effective sides.
  • the inventors have constructed an electromagnetic torque transmission structure in which an armature winding is embedded in a radial armature groove provided on one annular circumference of a disk-shaped rotor disk, and a short end of each armature coil end and end are formed.
  • the permanent magnets in a group of permanent magnets are interlaced with N and S polarities, Uniformly distributed on the annular circumference of the disc-shaped rotor disk to form an axial staggered permanent magnetic field, which is fabricated into a permanent magnet rotor disk; an armature winding side of the armature winding rotor disk and a permanent magnet of the permanent magnet rotor disk The sides are respectively mounted on the driving shaft (input shaft) and the load shaft (output shaft) in a face-to-face, coaxial, and air gap.
  • the driving shaft drives one of the rotor disks to rotate, according to the above, they form a Permanent magnet coupled electromagnetic torque transmission or drive structure.
  • the size of the air gap between the armature winding rotor disk and the permanent magnet rotor disk determines the small electromagnetic torque that can be transmitted between them.
  • the air gap spacing is the same when the active disk speed is constant and other conditions are the same.
  • the larger the electromagnetic torque transmitted the smaller the smaller the air gap spacing, the greater the electromagnetic torque transmitted. That is to say, the adjustment of the air gap spacing can achieve the purpose of adjusting the transmission electromagnetic torque, and up to the regulation of the load rotation speed, and regardless of which rotor disk acts as the active disk or as the passive disk, they can perform magnetic coupling electromagnetic torque transmission or driving.
  • the core of the present invention is to propose a new disc-type high-efficiency transmission shaft permanent magnet coupling torque transmission or driving working mechanism, and use this working mechanism to construct an efficient transmission shaft permanent magnet coupling device and
  • the technical solutions of the related main components or component structures, the specific technical solutions of the present invention are as follows:
  • An efficient transmission shaft permanent magnet coupling device comprising at least one pair of armature winding rotor disks and an armature winding plate coupling mechanism matched thereto, at least one pair of permanent magnet rotor disks and a permanent disk adapted thereto
  • the coupling mechanism and the corresponding input coupling and the output coupling are composed of at least one set of armature windings and an armature winding mounting plate for assembling the armature windings, the armature windings are embedded or Mounted in the armature slot provided on the side of the armature winding mounting plate, the permanent magnet rotor disk is composed of a set of at least two permanent magnets and a permanent magnet mounting plate equipped with permanent magnets, and the permanent magnets are alternately arranged with N and S polarities respectively.
  • the armature winding rotor disk is provided with one side of the armature winding, and one side of the permanent magnet rotor disk is provided with a permanent magnet, and electromagnetic coupling is formed by the center line of the same axis Installation, an air gap spacing is provided between the armature winding rotor disk and the permanent magnet rotor disk, and the armature winding rotor disk passes through the adapted armature winding plate coupling mechanism and the corresponding input coupling or output coupling phase Connection, permanent magnet Disc by the permanent disk adapted coupling means with a corresponding input or output coupler coupled to the coupling.
  • An efficient transmission shaft permanent magnet coupling device as described above, wherein the permanent magnets are rectangular, fan-shaped or trapezoidal in shape of a block or a column, and the permanent magnet mounting plate for carrying and mounting the permanent magnet group is made of an iron yoke magnetic material.
  • the permanent magnets are uniformly embedded or mounted on the circumferential ring of the permanent magnet mounting plate, and the permanent magnets are alternately arranged with N and S polarities to form an axial staggered permanent magnetic field.
  • an efficient transmission shaft permanent magnet coupling device the shape of a single armature winding corresponding to the cross-sectional shape of the permanent magnet is rectangular, fan-shaped or trapezoidal, and has the following five alternative structural solutions, one of which is Multi-turn type armature winding, each multi-turn type armature winding has at least two insulated and good conductors wound and shorted at the first end and the end, and the other is an independent insulated armature winding of ⁇ and ,, each ⁇ and ⁇ The independent insulated armature winding has at least two independent windings, each of which is closed-loop short-circuited, and has the same size and shape of the coil and is bundled into a bundle.
  • the third is a multi-core armature winding
  • the multi-core armature winding is A single-ring closed-loop short-circuit coil made of a multi-strand or multi-core conductor
  • the fourth of which is a pot-type armature winding, which consists of a metal bar embedded in the armature slot, and the two ends of the metal bar are respectively
  • the ring and the inner ring are integrated to form a self-closing short-circuited integrated armature winding, and the shape thereof looks like a circular pot dice for steaming in a pot
  • the fifth is a super-conductive pivot winding, which is The difference between the above four armature windings is the use of superconducting metal wires.
  • the armature winding mounting plate is made of high magnetic permeability, iron yoke or iron core material, and one side of the ring protrudes from the permanent magnet rotor disk, the ring A uniformly distributed radial armature slot is disposed on the armature slot, and at least one armature winding is disposed in the armature slot.
  • the number and shape of the armature windings are matched with the number of armature slots and the slot shape, and the armature slot and the permanent magnet The number and size of the permanent magnets on the rotor disk are adapted.
  • An efficient transmission shaft permanent magnet coupling device as described above, which is provided with at least one set of permanent magnet coupled rotor assemblies, each set of permanent magnet coupled rotor assemblies consisting of an armature winding rotor disk and a coupled permanent magnet rotor disk
  • each set of permanent magnet coupled rotor assemblies consisting of an armature winding rotor disk and a coupled permanent magnet rotor disk
  • One of the solutions is to "armature winding rotor disk---permanent magnet rotor disk, permanent magnet The order of the rotor disk---armature winding rotor disk is arranged back to back.
  • the second solution is according to "armature winding rotor disk---permanent magnet rotor disk, armature winding rotor disk---permanent magnet rotor disk”
  • the order is sequentially arranged
  • the third scheme is "armature winding rotor disk---permanent magnet rotor disk, permanent magnet rotor disk---armature winding rotor disk, armature winding rotor disk---permanent magnet rotor disk, electricity
  • the pivot winding rotor disk---permanent magnet rotor disk is arranged in a mixed manner, and two adjacent permanent magnet rotor disks arranged in a "back-to-back” manner can be combined into an integrated two-sided coupled permanent magnet rotor disk.
  • the armature winding plate coupling mechanism for coupling the armature winding rotor disk and the corresponding input coupling or output coupling has three structural schemes Alternatively, one is a cylindrical or squirrel-cage structure, the input coupling or the output coupling is disposed at a central axis position at one end of the cylindrical or squirrel-shaped structure, and the armature winding rotor disk is disposed in a cylindrical or squirrel cage Inside the structure, the outer edge of each armature winding rotor disk is mounted on the corresponding cylinder wall or cage wall of the cylindrical or squirrel-cage structure, and the second is based on the former solution.
  • each of the armature winding rotor disks an armature winding support disk adapted to transmit torque and support the armature winding rotor disk is added, and the armature winding rotor disk is disposed on the side without the armature slot Fixed to the armature winding support plate, and then mounted on the matching cylinder wall or cage wall of the cylindrical or squirrel cage structure, and the third is the side of the armature winding rotor disk without the armature groove Mounted to one side of its armature winding support plate, input coupling Or the output coupling is disposed on the other side of the armature winding support disk, and the permanent disk coupling mechanism for coupling the permanent magnet rotor disk with the corresponding output coupling or the input coupling has five structural schemes.
  • the first is the central short-axis structure
  • the armature winding rotor disk is provided with a central circular hole in the shape of a circular disk, and a central short axis is arranged at the inner central axis position of the permanent magnet coupling device, and the output coupling is provided.
  • the input coupling is disposed at the outer end of the central short shaft
  • the permanent magnet rotor disk is provided with the shaft hole in the shape of a circular disk
  • the permanent magnet rotor disk is fastened and assembled on the central short shaft
  • the rotor disk is fitted with an adaptive air gap electromagnetic coupling, the permanent magnet rotor disk and the central short axis become a mutual torque transmission structure, and the second is a non-circular center short axis structure
  • the armature winding rotor disk is provided with a central circular hole as a ring.
  • Disk-shaped, a through-circular non-circular center short-axis is arranged at the inner central axis position of the permanent magnet coupling device, and the output coupling or the input coupling is disposed at the outer end of the non-circular center short-axis, the permanent magnet rotor disk Center setting
  • There is a non-circular shaft hole which is matched with a non-circular center short axis, and a non-circular center short-axis bushing is arranged in the non-circular shaft hole, and the permanent magnet rotor disk is axially slidably assembled in a non-circular shape.
  • the permanent magnet rotor disk and the non-circular center short axis become the mutual torque transmission structure, and each permanent magnet rotor disk and the coupled armature winding rotor disk are adapted to the air gap electromagnetic coupling.
  • the permanent magnet rotor limit for adjusting the position of the permanent magnet rotor disk and locking the same is a central short shaft and a torque transmission sliding bar structure.
  • the armature winding rotor disk is provided with a central circular hole in the shape of a circular disk.
  • a central short axis is arranged at the inner central axis position of the permanent magnet coupling device, and the output is coupled.
  • the shaft or the input coupling is disposed at an outer end portion of the central short shaft, and at least one center turntable is fixed at an appropriate position of the central short shaft, and the center turntable is uniformly distributed and fixedly mounted on the circumference of the center turntable at least two axially through all the permanent magnets
  • Torque transmission of rotor disk a sliding bar
  • a permanent magnet rotor disk is provided with a central circular hole and a corresponding torque transmission sliding bar and is used for a circular hole of a sliding rod installed by a torque transmission sliding bar
  • a sliding sleeve is arranged in the circular hole of the sliding bar, and the permanent magnet rotor disk is passed through the sliding hole
  • the sliding rod round hole bushing is mounted on the torque transmission sliding bar, and the torque transmitting structure is formed between the permanent magnet rotor disk, the torque transmission sliding bar, the center turntable and the central short
  • the permanent magnet rotor disk is in the shape of a disk or is provided with a central shaft hole in the shape of a circular disk.
  • the permanent magnet rotor disk is directly or through a matching output coupling or input coupling. Mount to load shaft or main Axis.
  • the permanent disk coupling mechanism for coupling the permanent magnet rotor disk and the corresponding input coupling or output coupling has three structural options.
  • One is a cylindrical or squirrel-cage structure
  • the input coupling or the output coupling is disposed at the central axis of one end of the cylindrical or squirrel-shaped structure
  • the permanent magnet rotor disk is disposed inside the cylindrical or squirrel-shaped structure.
  • each permanent magnet rotor disk is mounted on the matching cylinder wall or the cage wall of the cylindrical or squirrel-cage structure, and the second is based on the former solution, each forever
  • the magnetic rotor disk is added with a matching permanent magnet supporting disk for transmitting torque and supporting the permanent magnet rotor disk, and the other side of the permanent magnet rotor disk is fixedly mounted on the permanent magnet supporting plate, and then Installed together on a matching cylinder wall or cage wall of a cylindrical or squirrel-cage structure, the third of which is the other side of the permanent magnet rotor disk on which the permanent magnet is mounted and fixed to one side of its permanent magnet support disk.
  • the input coupling or the output coupling is placed on the other side of the permanent magnet support plate for the armature
  • the armature winding plate coupling mechanism between the group rotor disc and the corresponding output coupling or input coupling has five structural schemes for corresponding adaptation selection.
  • the first is the central short shaft structure and the permanent magnet rotor disc.
  • the central circular hole is arranged in a circular disk shape, and a central short shaft is arranged at the inner central axis position of the permanent magnet coupling device, and the output coupling or the input coupling is disposed at the outer end portion of the central short shaft, the armature winding rotor
  • the disk is provided with a shaft hole in the shape of a circular disk, and the armature winding rotor disk is fastened and assembled on the central short axis, and is fitted with an electromagnetic gap coupled with the permanent magnet rotor disk coupled thereto, and the armature winding rotor disk is
  • the short shaft between the centers becomes the mutual torque transmission structure, and the second is the non-circular center short shaft structure.
  • the center of the armature winding rotor disk is arranged with the non-circular center short axis to fit the non-circular shaft hole.
  • the inner central shaft position is set to a through non-circular center short shaft, the output coupling or the input coupling is disposed at the outer end of the non-circular center short shaft, and the center of the armature winding rotor disc is provided with a non-circular shape Center short axis Fitted non-circular shaft hole, the non-circular shaft hole is provided with a matching non-circular center short-axis bushing, and the armature winding rotor disk is axially slidably assembled on the non-circular center short-axis, the armature
  • the winding rotor disk and the non-circular center short shaft become a mutual torque transmission structure, and each armature winding rotor disk is fitted with a permanent magnet rotor disk coupled thereto with an air gap electromagnetic coupling, in a non-circular center An armature
  • the armature winding rotor disk is provided with a central circular hole in the shape of a circular disk.
  • a central short axis is arranged at the inner central axis position of the permanent magnet coupling device, and the output coupling or The input coupling is disposed at an outer end of the central short shaft, and at least one center turntable is fixed at an appropriate position of the central short shaft, and at least two axially extending through all the armature winding rotor disks are uniformly disposed on the circumference of the center turntable Twist Moment transmission sliding bar
  • the armature winding rotor disk is provided with a central circular hole and a corresponding torque transmission sliding bar and is used for a round hole of a sliding rod installed by a torque transmission sliding bar, and a sleeve is arranged in the circular hole of the sliding bar, and the armature winding rotor is arranged
  • the disk is mounted to the torque transmission slide by the slider round hole bushing thereon, and the torque transmission structure is formed between the
  • An efficient transmission shaft permanent magnet coupling device as described above, in which two sets of two or more permanent magnet coupling assemblies are provided, and a permanent magnet rotor disposed on a non-circular center stub shaft or a torque transmission slider is provided.
  • the disk limiting mechanism is fixedly or lockedly installed at a set position, and a set of walls is arranged between the tubular wall of the tubular structure outside the device or the cage wall of the squirrel-cage structure, and at least one pair of armature winding rotor disks Air gap spacing adjustment mechanism.
  • An efficient transmission shaft permanent magnet coupling device as described above, in which two sets of two or more permanent magnet coupling assemblies are provided, and an armature winding disposed on a non-circular center stub shaft or a torque transmission skid is provided.
  • the limiting mechanism is fixedly or lockedly installed at a set position, and a set of wall gas is disposed between the tubular wall of the cylindrical structure or the cage wall of the squirrel-cage structure on the outside of the device, and at least one pair of permanent magnet rotor disks Gap spacing adjustment mechanism.
  • An efficient transmission shaft permanent magnet coupling device as described above, on the armature winding rotor disk, or the side on which the armature winding is not placed, and/or its supporting disk and other heat generating components in the device Install, secure or fit a suitable heat sink, heat sink or combined integrated technology heat sink assembly.
  • the combined integrated technology heat sink assembly uses at least three of the air-cooled technology components, the rotating heat pipe technology component and the water cooling technology system.
  • the organic fusion component of the two technical structures is provided with a vent, a wind hole or a heat dissipation medium path on the heat dissipation ventilation channel component corresponding to the heat sink or the heat sink.
  • an efficient transmission shaft permanent magnet coupling device is provided with a dust cover or a cage or a casing provided with safety protection and preventing magnetic field leakage, and the outermost part of the device is only
  • the armature winding rotor disk and the permanent magnet rotor disk are connected to one of the connected components, or integrated with the adapted heat dissipation component or the heat dissipation system, or the cage, the casing or the dust cover is disposed or It is integrated into a bracket or a stand that is additionally provided for the device, the motor or the load, and the bracket or the support is a horizontal structure or a vertical structure.
  • an armature winding rotor disk and a permanent magnet rotor disk are coupled in an air gap to form a set of permanent magnet coupled rotor assemblies, and the armature winding rotor disk and the permanent magnet rotor disk are respectively mounted on the input shaft (active shaft) Or the output shaft (load shaft, passive shaft), and the permanent magnet body side of the permanent magnet rotor disk is on the side of the armature winding of the armature winding rotor disk, separated by air gap, in pairs, and the same axis center line Geomagnetic coupling installation; when there are two or more sets of permanent magnet coupling rotor assemblies in the transmission shaft permanent magnet coupling device, there are three options for the arrangement of the permanent magnet coupling rotor assembly.
  • One of the solutions is to press the armature winding rotor.
  • the order of the disk---permanent magnet rotor disk, permanent magnet rotor disk---armature winding rotor disk” is arranged back to back;
  • the second solution is according to "armature winding rotor disk---permanent magnet rotor disk, armature winding
  • the order of the rotor disk---permanent magnet rotor disk, armature winding rotor disk---permanent magnet rotor disk” is sequentially arranged;
  • the third solution is "armature winding rotor disk---permanent magnet rotor disk, permanent magnet rotor” Disk---armature winding rotor disk, armature winding --- rotor disc are arranged the permanent magnet rotor disk, the rotor disk --- armature winding the permanent magnet rotor disk "in a mixed manner, which is an arrangement of two solutions mixed before use.
  • the material of the permanent magnet rotor disk and the structural technical solution thereof is composed of a permanent magnet mounting disk and a set of permanent magnets, and the permanent magnet mounting disk has the same magnetic function as the iron yoke in the motor. In addition, it is also used to carry and install permanent magnets. It is made of a material that can be used in addition to (low carbon steel, steel sheet profiles, etc.) and higher-grade magnetically conductive materials (ferrite, vimorous alloy).
  • the permanent magnet is rectangular, fan-shaped or trapezoidal in the shape of a block or a column, and the permanent magnet is uniformly embedded or mounted on the circumferential ring on one side of the permanent magnet mounting plate.
  • the permanent magnets are alternately arranged with N and S polarities to form an axially staggered permanent magnetic field, and are formed into a flat disc or a circular disc permanent magnet rotor disc.
  • the armature winding rotor disk is composed of an armature winding and an armature winding mounting plate adapted thereto, and the armature winding installation disk is equivalent to an armature core, a magnetic core or the like in the motor.
  • the iron yoke In addition to the role of the iron yoke, it is also used to carry and install the armature windings; in addition to the optional (low carbon steel, steel sheet profiles, etc.), the materials used for the armature winding mounting discs can be made of higher-grade magnetically conductive materials (iron Oxygen, permalloy, amorphous core material, microcrystalline core material, etc.), the number of armature slots and armature groove shape provided on the same can be based on the core, core or iron yoke in the motor.
  • the materials used for the armature winding mounting discs can be made of higher-grade magnetically conductive materials (iron Oxygen, permalloy, amorphous core material, microcrystalline core material, etc.), the number of armature slots and armature groove shape provided on the same can be based on the core, core or iron yoke in the motor.
  • the stator and rotor are cylindrical or cylindrical, magnetic torque transmission.
  • Air gap magnetic Is the radial direction of the magnetic coupling, but the present invention is in the rotor is a flat disc-shaped, the gap magnetic field direction of the magnetic torque-transmitting coupling is an axial magnetic field.
  • the design of the armature winding and the armature winding rotor disk of the present invention is to convert or convert the corresponding mature technical solution in the motor into a type suitable for a flat disk or a circular disk rotor and an axial magnetic field coupling.
  • the armature winding mounting plate is made of high magnetic permeability, iron yoke or iron core material, and one side of the ring is convex with a ring suitable for the permanent magnet rotor disk, and a uniformly distributed radial armature groove is arranged on the ring. At least one armature winding is arranged in the armature slot.
  • the number and shape of the armature windings are matched with the number and shape of the armature slots, and the number and size of the permanent magnets on the armature slot and the permanent magnet rotor disk are Adapt and follow the "selection of the rotor groove number and its coordination principle” and “magnetic flux path construction principle” of the motor.
  • each multi-turn armature winding is wound with at least two good insulated conductors (such as enamelled copper wire or silver wire, electromagnetic wire), which are rectangular, fan-shaped or trapezoidal, and the head end and the end Short-circuit; multi-turn armature winding is characterized in that when the armature winding is disconnected, the induced electromotive force at both ends is the sum of the induced electromotive forces of the respective coils, and the armature winding is short-circuited end-to-end, wherein the induced current is the same as that of the same type. When the current is large, the corresponding coupled magnetic torque is also large.
  • good insulated conductors such as enamelled copper wire or silver wire, electromagnetic wire
  • ⁇ and ⁇ independent insulated armature winding structure are composed of at least two independent windings, each of which is closed-loop short-circuited, the same size and shape of the coil, and tied into a bundle, rectangular, Fan-shaped or trapezoidal;
  • ⁇ and ⁇ independent insulated armature windings are characterized by the fact that the magnetic torque generated by the armature winding is the sum of each of its individual coils, and one of the coils is broken or short-circuited, and does not cause the entire set of coils to be completely eliminated. Damage is not able to work, and reliability is high.
  • Multi-core armature winding structure multi-core armature winding is made of multi-strand or multi-core good conductor, is a rectangular, sector-shaped or trapezoidal armature winding with large cross-sectional area, single-loop closed-loop short circuit, of course It is also possible to form an armature winding by a rectangular, fan-shaped or trapezoidal closed-loop short-circuit with a uniform cross-sectional area, but due to the skin effect of the conductor, the larger the surface area of the conductor of the same cross-sectional area, the better the conductivity. The lower the resistivity, the less heat is generated.
  • the pot-type armature winding structure and the manufacturing method thereof, the structure of the pot-type armature winding is simple and high in efficiency, and is the technical proposal of the armature winding which is mainly recommended by the present invention, which is composed of a metal strip embedded in the armature slot.
  • the two ends are respectively integrated with the outer ring and the inner ring to form a closed circuit of self-closing.
  • One method is to cut a metal conductor ring disk (generally copper or aluminum) in a radial and circumferential direction to form an inner ring and outer ring.
  • the pot-type armature winding in addition to embedding the pot-type armature winding into the armature slot to make the armature winding rotor disk, in addition to the inlay or fill in the slot High magnetic permeability material (silicon steel sheet, ferrite, vimorous alloy, amorphous magnetic core material, microcrystalline core material, etc.), the armature winding installation disk does not need to be equipped with an armature slot, but directly in the slot Or a pot-type armature winding filled with a high-magnetic material is fixed to the armature winding mounting plate to form an armature winding rotor disk; and the other method is to insert a metal strip (copper conductor strip
  • the integrated armature winding can also be made of a more excellent conductor material, a superconducting alloy material or a superconducting composite conductor material, or a plating process or a casting process to maximize the armature winding. Conductivity and control costs are not too high.
  • the working mechanism of the pot-type armature winding is similar to the working mechanism of the squirrel-cage armature winding in the motor science.
  • the hybrid armature winding, the hybrid armature winding is a hybrid solution of the above-mentioned various types of armature winding manufacturing methods, which adopts a long-term complementary or staggered arrangement, and the above various single-group armature windings can be used not only in the armature winding disk
  • the upper part is placed in the adjacent wire trough in order, and the armature winding and the armature winding are also placed in the non-adjacent troughs with the intersecting troughs, provided that each group of armature windings is ensured.
  • the superconducting pivot winding type, the type or structure of the superconducting pivot winding may be the above-mentioned multi-turn armature winding, ⁇ and ⁇ independent insulated armature winding, multi-core armature winding, pot-type armature winding or hybrid armature Winding, except that the material used to make the armature winding is a better conductor material, superconducting metal wire or superconducting composite conductor material (such as tantalum, niobium or copper-clad superconducting wire), or Sticking, plating process (silvering, affixing, silver plating or rhodium plating), or precision forming casting process, can greatly reduce the resistance of the coil, increase the current while reducing the heat, greatly improved At the same time of torque transmission or driving power, the cost of controlling the product is not too high due to the large use of precious metals or superconducting materials, which is more conducive to the development of high-performance products; the material and structure of the product
  • the following two armature slots and armature winding arrangement structures are used in the structure of the permanent magnet coupled rotor disk.
  • one is to adopt an armature deep groove structure, which is characterized in that the armature groove on the armature winding installation disk is deep and narrow, and the cross-sectional area of the armature winding bar embedded therein is also High and narrow;
  • the second is a double-layer armature winding structure, which is characterized by two armature windings mounted on the armature winding mounting plate, and the cross-sectional area of the outer armature winding adjacent to the permanent magnet rotor disk It is small and made of a material with a large resistivity (brass or aluminum bronze, etc.), so the outer armature bar has a large resistance, the inner armature winding has a large cross-sectional area, and the resistivity is small.
  • the material is made of (copper, superconducting conductor material, etc.), so the inner armature bar has less resistance.
  • Their working mechanism is exactly the same as that in the well-known Electrical Engineering.
  • the heat generation of the armature winding rotor disk during operation is much larger than that of the permanent magnet rotor disk, it is recommended to set the armature winding rotor disk at a position more favorable for heat dissipation processing; or
  • the components, mechanisms or components connected to the winding rotor disk are arranged outside the permanent magnet coupling device, as part of the armature winding plate coupling mechanism, and also as part of the cage assembly, the heat dissipating component, or the conductor/electrical
  • the pivoting disk is more advantageous for the position of the heat treatment; the components, mechanisms or components connected to the permanent magnet rotor disk are disposed in the middle of the permanent magnet coupling device, and of course the opposite and other arrangements are not excluded.
  • the armature winding plate coupling mechanism for coupling the armature winding rotor disk with the corresponding input coupling or output coupling has three structural options, one of which is a cylindrical or squirrel-shaped structure, input
  • the coupling or the output coupling is disposed at a central axis position of one end of the cylindrical or squirrel-cage structure, and the armature winding rotor disk is disposed inside the cylindrical or squirrel-cage structure, and the outer edge of each armature winding rotor disk
  • the annular portion is mounted on the matching cylinder wall or cage wall of the cylindrical or squirrel-cage structure, and the second is based on the former solution, and each armature winding rotor disk is added with a matching
  • the armature winding support disk that transmits the torque and supports the armature winding rotor disk, and the side of the armature winding rotor disk that is not provided with the armature slot is mounted and fixed on the armature winding support plate, and then mounted together in the cylindrical
  • the first is the central short axis structure, the armature winding
  • the rotor disk is provided with a central circular hole in the shape of a circular disk, and a central short axis is arranged at the inner central axis position of the permanent magnet coupling device, and the input coupling or the output coupling is disposed at the outer end of the central short shaft, the permanent magnet
  • the rotor disk is provided with a shaft hole in the shape of a circular disk, and the permanent magnet rotor disk is fastened and assembled on the central short axis, and is fitted with an air gap electromagnetic rotor coupling with the armature winding rotor disk coupled thereto, the permanent magnet rotor disk and
  • the short shafts of the center become the mutual torque transmission structure
  • the second is the non-circular center short-axis structure.
  • the armature winding rotor disk is provided with a central circular hole in the shape of a circular disk, and a through-center is arranged in the inner central axis position of the permanent magnet coupling device.
  • a non-circular central minor axis which may be a quadrilateral, hexagonal, octagonal or flower-shaped shaft, as well as other symmetrical edged, ribbed or rotor discs on which the slidable and inter-driven geometry
  • the drive shaft, etc., the input coupling or the output coupling is disposed at the outer end of the non-circular center short shaft, and the center of the permanent magnet rotor disk is provided with a non-circular shaft hole adapted to the non-circular center short axis.
  • a non-circular central short-axis bushing is arranged in the non-circular shaft hole, and the permanent magnet rotor disk is axially slidably assembled on the non-circular center short-axis, the permanent magnet rotor disk and the non-circular center short-axis
  • the structure becomes a mutual torque transmission, each permanent magnet rotor disk is fitted with an armature winding rotor disk coupled with the same, and the third is a central short shaft and a torque transmission sliding bar structure, an armature
  • the winding rotor disk is provided with a central circular hole in the shape of a circular disk.
  • a central short axis is arranged at the inner central axis position of the permanent magnet coupling device, and the input coupling or the output coupling is disposed at the outer end of the central short shaft, the center At least one center turntable is fixed at a suitable position of the short shaft, and at least two torque transmission sliding rods axially penetrating through all the central turntables are uniformly disposed on the circumference of the center turntable, and the permanent magnet rotor disk is provided with a central circular hole and corresponding Torque transmission slip And used for the sliding hole of the sliding rod installed by the torque transmission slider, the sleeve is provided with a sleeve in the round hole, and the permanent magnet rotor disk is mounted on the torque transmission sliding rod through the sliding hole circular sleeve on the same, the permanent magnet rotor disk a torque transmission structure is formed between the torque transmission slider, the center turntable and the central short shaft, and each of the permanent magnet rotor disks is fitted with an armature winding rotor disk coupled thereto
  • the armature winding rotor disk is disk-shaped or provided with a central circular hole in the shape of a ring disk, and the permanent magnet rotor disk is disk-shaped. Or a central shaft hole is provided in the shape of a ring disk, and the permanent magnet rotor disk is directly mounted (shaft key, keyway or splined connection) or mounted to the drive shaft or load shaft via an adapted input coupling or output coupling.
  • the non-circular center short axis can also be made into two different shaped axes, the left side is longer, the side length or the shaft diameter can be smaller, and the right side is shorter (can be round, square or large) Some can also serve as a limit for the rotor disk) to match the coupling.
  • the structure of the armature winding disk coupling mechanism and the structure of the permanent disk coupling mechanism can be mutually adapted and replaced for the armature winding rotor disk and the permanent magnet rotor disk to form a switching arrangement.
  • the overall structural technical solution of the magnetic coupling device is diverse to embody the design idea of the present invention, and details are not described herein again.
  • the position of the maximum and minimum air gap spacing of the permanent magnet rotor disk or the armature winding device disk is adapted to adjust the position and the locking on the torque transmission sliding bar or the non-circular center short axis.
  • Positioning limit mechanism (limit pin / key assembly, limit ring / disc assembly or limit nut assembly, etc.), adjust the position of the corresponding limit mechanism to achieve the purpose of adjusting and limiting the output shaft (load shaft) speed, It also acts as an isolation between the permanent magnet coupling components to avoid collision or mutual influence between the rotor disks.
  • the permanent magnet rotor disc limiting mechanism or armature winding limit disposed on the non-circular center stub shaft or the torque transmission slider can also be used.
  • the mechanism is fixed or locked in a set position, on the wall of the cylindrical structure or the cage wall of the squirrel-cage structure on the outside of the device, the armature winding rotor disk and the permanent magnet rotor disk of each set of permanent magnet coupling components
  • a set of wall-type air gap spacing adjustment mechanisms (such as nut--screw mechanism, two-end reverse screw, utility pole puller mechanism, etc.) are provided to shorten, extend or fix each set of permanent magnet coupling components
  • the distance between the permanent magnet rotor disk and the armature winding can also adjust and fix the air gap distance to achieve the purpose of adjusting and limiting the output shaft speed.
  • a suitable heat sink is mounted, fixed or fitted on the armature winding rotor disk, or the side on which the armature winding is not placed, and/or its supporting disk and other heat generating components in the device of the present invention.
  • heat sink or combined integrated technology cooling components may be an organic fusion component of at least two of the air cooling technology components, the rotating heat pipe technology component and the water cooling technology system, and the shape and structure should be consistent with the armature winding rotor disk and adapted to the electricity.
  • the overall structure of the system of the pivot winding rotor disk or the device, and a vent, a wind hole or a heat dissipating medium path is disposed on the heat dissipating ventilation passage member corresponding to the heat sink or the heat sink;
  • the other heat generating component in the device of the present invention refers to the rotor disk supporting plate
  • the hollow center short shaft, the bearing, the permanent magnet rotor disk and the like can be heat-dissipated by using a rotating heat pipe embedded, inlaid, pasted or other heat extraction method to heat the heat to improve the heat dissipation efficiency and improve the present invention.
  • the heat pipe heat dissipation technology is a passive heat dissipation system that neither consumes electricity nor generates noise. The heat dissipation effect is much stronger than that of the conventional fan, and has been successfully applied in many aspects.
  • the above-mentioned high-efficiency transmission shaft permanent magnet coupling device can be provided with a dust cover or a cage or a casing having safety protection and preventing magnetic field leakage as needed, and the device is the most An external component that is only coupled to one of the armature winding rotor disk and the permanent magnet rotor disk, or integrated with the heat dissipation component or the heat dissipation system, or a cage, a casing or a dust cover
  • the bracket or the support may be a horizontal structure or a vertical structure provided or integrated on a bracket or a support that is additionally provided to the device, the motor or the load.
  • Embodiment 1 is a schematic cross-sectional view showing the working principle and structure of Embodiment 1 of the present invention
  • FIG. 2 is a schematic structural view of an armature winding rotor disk according to Embodiment 1 of the present invention
  • FIG. 3 is a schematic structural view of a permanent magnet rotor disk according to Embodiment 1 of the present invention.
  • Embodiment 2 of the present invention is a schematic cross-sectional view showing the working principle and structure of Embodiment 2 of the present invention.
  • FIG. 5 is a schematic structural view of an armature winding rotor disk according to Embodiment 2 of the present invention.
  • FIG. 6 is a schematic structural view of a permanent magnet rotor disk according to Embodiment 2 of the present invention.
  • Embodiment 7 is a schematic cross-sectional view showing the working principle and structure of Embodiment 3 of the present invention.
  • FIG. 8 is a schematic structural view of a pot-type armature winding according to Embodiment 3 of the present invention.
  • FIG. 9 is a schematic structural view of a rotor-type armature winding rotor disk according to Embodiment 3 of the present invention.
  • FIG. 10 is a schematic structural view of a permanent magnet rotor disk according to Embodiment 3 of the present invention.
  • Figure 11 is a schematic cross-sectional view showing the working principle and structure of Embodiment 4 of the present invention.
  • FIG. 12 is a schematic structural view of an armature winding rotor disk according to Embodiment 4 of the present invention.
  • Figure 13 is a schematic cross-sectional view showing the working principle and structure of Embodiment 5 of the present invention.
  • FIG. 14 is a schematic structural view of an armature winding rotor disk according to Embodiment 5 of the present invention.
  • Figure 15 is a schematic view showing the structure of a permanent magnet rotor disk according to Embodiment 5 of the present invention.
  • an embodiment of the invention has two sets of permanent magnet coupling assemblies arranged "back to back" which are composed of two sets of armature winding rotor disks (1 and 2, 11 and 22). And the armature winding plate coupling mechanism (6, 7, 43, 8 and 9) and the two adjacent permanent magnet rotor disks are set back to back and combined into a double-sided coupled permanent magnet rotor disk ( 4 and 5) and the matching permanent disk coupling mechanism (39, 40) and the corresponding input coupling (34, 35) and the output coupling (31, 32), the armature winding rotor disk is composed of 24 armature windings (2) and an armature winding mounting plate (1) for assembling the armature windings, the armature windings are fan-shaped multi-turn armature windings, and each armature winding in Fig.
  • the armature winding mounting plate (1) is provided with a center hole (41), 24 armature slots (45) and mounting holes (43), armature winding rotor disk (10)
  • the armature winding (2) is embedded in the armature slot (45) provided on one side of the armature winding mounting plate (1)
  • the permanent magnet rotor disk is composed of a set of 20 permanent
  • the magnet (5) is composed of a permanent magnet mounting plate (4) equipped with a permanent magnet, and the permanent magnet mounting plate (4) has a circular disk shape, and has 20 sector-shaped through holes (15) on the upper circumference thereof, and a permanent magnet ( 5)
  • the permanent magnets (5) are respectively arranged in the matching holes (15) on the circumference of the permanent magnet mounting plate (4) with the N and S polarities staggered and evenly distributed, and the armature winding rotor disk (10)
  • the electromotive force in the armature windings (2, 22) is the sum of the induced electromotive forces of all the series conductors in the two active sides.
  • the closed loop armature winding (2, 22) under the action of the induced electromotive force, an induced current is generated in the armature winding (2, 22), and the direction of the induced current is the same as the direction of the induced electromotive force.
  • the pivot winding becomes a current-carrying armature winding; on the other hand, according to the left-hand rule, the current-carrying armature winding is subjected to a force in the original permanent magnetic air gap magnetic field, and the direction of the force is determined according to the left-hand rule, the direction is The armature windings rotate in opposite directions to form Rotational torque acting opposite directions; electromagnetic torque may also be described theory that the induced current in the armature winding to generate a reverse magnetic field induction magnetic gap with the original, two interacting magnetic fields produce electromagnetic torque.
  • the armature winding rotor disk (10) drives the permanent magnet rotor disk (20) to rotate together, and then drives the output shaft (37) to rotate, and the output shaft (37) drives the load to work.
  • the size of the air gap spacing (12) determines the magnitude of the electromagnetic torque in inverse proportion. Because the output torque is proportional to the load, the coupling between the transmission shafts or the transmission torque and the driving load are achieved. Therefore, the adjusting bolts (6, 8) can achieve the purpose of separately adjusting the air gap spacing (12) between the rotor disks in each permanent magnet coupling assembly, thereby achieving the goal of adjusting the load speed.
  • the two sets of permanent magnet coupling assemblies in this example can form a resultant force, and the two pairs of armature winding rotor disks (10) are coupled with the input shaft, and the two permanent magnet rotor disks (20) are combined with one.
  • the output shafts are connected. It is easy to see that the driving power of the two sets of permanent magnet coupling components is twice that of a set of permanent magnet coupling components. It is conceivable to include more groups and different arrangement structures. The technical schemes with different structural methods will be A technical support is provided to achieve the aforementioned object of the invention.
  • FIG. 4 and FIG. 6 the present example is provided with two sets of permanent magnet coupling components, according to "armature winding rotor disk---permanent magnet rotor disk, permanent magnet rotor disk---armature winding rotor disk” "Back-to-back layout, using a central short shaft and torque transmission slide structure, which consists of two sets of armature winding rotor discs (101 and 102, 111 and 122) and an armature winding disc coupling mechanism (106) , 107, 143, 108, and 109), two pairs of permanent magnet rotor disks (104 and 105) and their compatible permanent disk coupling mechanisms (149, 147, 148, 150, 151, and 152) and corresponding inputs
  • the shaft (134, 135) and the output coupling (153, 132) are constituted, and the armature winding rotor disk is composed of 24 armature windings (102) and an armature winding mounting plate (101) for assembling the armature windings.
  • the armature winding is a fan-shaped ⁇ and ⁇ independent insulated armature winding.
  • Each armature winding (102) in FIG. 5 has two turns insulated independently of each other, and the first end and the end of each turn are short-circuited and closed, and the armature winding is installed.
  • the disc (101) is provided with a center hole (141), 24 armature slots (145) and mounting screw holes (143), and the armature winding is turned
  • the disk (110) is in the shape of a circular disk, and the armature winding (102) is embedded in an armature slot (145) provided on one side of the armature winding mounting plate (101).
  • the permanent magnet rotor disk is composed of a set of 20 permanent magnets ( 5) and a permanent magnet mounting plate (104) equipped with a permanent magnet, the permanent magnet mounting plate (104) is provided with a central circular hole in the shape of a circular disk, and a circular recessed table (116) is arranged on the upper circumference thereof, and the permanent magnet (105) in the shape of a fan-shaped dicing block, the permanent magnets (5) are respectively embedded or mounted on the permanent magnet mounting plate (104) annular recessed table (116) with N, S polarities staggered and evenly distributed, in the device
  • the inner central shaft position is provided with a through center short shaft (152), the output coupling (153, 132) is disposed at the outer end portion of the central short shaft, and the center end portion of the central short shaft (152) is fixed with a center turntable (150), at least two axial torque transmission sliding bars (147) are uniformly and tightly distributed on the circumference of the center turntable (150), and the torque transmitting sliding bar (147) is provided with screws
  • the permanent magnet rotor disc (104, 105) and the armature winding rotor disc (101, 102) are adapted to the air gap electromagnetic Coupling installation, a permanent magnet rotor disk for adjusting the position and locking positioning of the permanent magnet rotor disk on the torque transmission sliding bar (147) at a position corresponding to the minimum air gap distance of the permanent magnet rotor disk
  • the limiting mechanism (148), the armature winding rotor disk (110, 111) passes through the bolt (106), the casing body (107) with the screw hole at both ends, and the mounting hole (143) on the armature winding rotor disk (111) , the bolt (108) and the cage end wall (109) are coupled with the corresponding input couplings (134, 135);
  • the permanent magnet rotor disk (120) passes the sliding bar hole and the sleeve (149), the torque transmission sliding bar (147), permanent magnet rotor disc limit nut (148), center turntable (150), bolt (1 51) and the central stub shaft (15
  • the armature winding plate coupling mechanism (106, 107, 143, 108 and 109) is constructed in the same manner as in the first embodiment for the casing of a cylindrical structure in which the bolt (106) and the casing body with the screw holes at both ends ( 107) together with the bolt (108) as a cylinder wall, the armature winding mounting plate (101) is suitably provided with an air-cooling radiator (146), and a cooling air is disposed on the cylindrical casing end plate (109)
  • the hole (136) and the housing body (107) are also provided with heat dissipation holes (117).
  • the working principle of the present example is basically the same as that of the first embodiment, except that the permanent magnet rotor disk (120) passes through the sliding bar hole and the sleeve (149), and the torque transmission sliding bar (147).
  • the permanent magnet rotor disc limit nut (148), the center turntable (150), the bolt (151) and the central short shaft (152) form a mechanically coupled torque transmitting mechanism, and the permanent magnet rotor disc can be on the torque transmission slider Sliding left and right, it can slide left and right to mean that the breath spacing can be adjusted, which is very important in the automatic start of the motor, the automatic unloading of the load and the load speed regulation.
  • the permanent magnet rotor disk can drive the center turntable and The center short-axis rotation; adjusting the permanent magnet rotor disc limit nut (148) can achieve the purpose of separately adjusting the minimum air gap spacing (112) between the rotor discs in each permanent magnet coupling assembly, thereby achieving the purpose of adjusting the maximum speed of the load. .
  • the present example is provided with four sets of permanent magnet coupling components, according to "armature winding rotor disk---permanent magnet rotor disk, permanent magnet rotor disk---armature Winding rotor disk, armature winding rotor disk---permanent magnet rotor disk, permanent magnet rotor disk---armature winding rotor disk” are laid back to back, adopting central short axis and torque transmission sliding bar structure, and embodiment 2 There are four differences: one is to add twice the permanent magnet coupling assembly in the device; the second is to add a second center turntable (218), and the second center turntable (218) is keyed, splined or tightly fitted The way is fixed to the appropriate position on the central short axis to support the torque transmission slider (247) and transmit torque; the third central armature winding mounting plate (260) is integrated back to back; The armature winding adopts a pot-type armature winding structure, and the pot-type
  • each armature winding mounting plate (201, 211) and the armature winding mounting plate (260) 18 armature slots (245) are arranged on both sides, and 15 permanent magnets are arranged on the permanent magnet mounting plate (204).
  • Sector-shaped dicing in accordance with the "selection of rotor number and its matching principle" of the motor, whether it is necessary to design the number of armature slots and permanent magnets according to the "selection of rotor number and its matching principle" of the motor The number is not absolute, but it is not wrong to comply with the "selection of the number of stator slots and its coordination principle".
  • the present example is provided with five sets of permanent magnet coupling components, according to "armature winding rotor disk---permanent magnet rotor disk, armature winding rotor disk---permanent magnet rotor disk, armature Winding rotor disk---permanent magnet rotor disk, armature winding rotor disk---permanent magnet rotor disk, armature winding rotor disk---permanent magnet rotor disk, armature winding rotor disk---permanent magnet rotor disk” are sequentially arranged, using central short axis and torque transmission
  • the slider structure has other aspects different from that of Embodiment 3: one is that a set of permanent magnet coupling components is added to the device; the other is to use a superconducting pivot winding (302), each of which 24 armature slots (345) are arranged on the armature winding mounting plates (301, 311), and 20 permanent magnet sector cuts are arranged on the permanent magnet mounting plate (304) (not shown, and the permanent magnet
  • the difference between this example and the embodiments 2 and 3 has four aspects, one of which is that it consists of three sets of permanent magnet coupling components with "armature winding rotor disk--- Permanent magnet rotor disk, armature winding rotor disk---permanent magnet rotor disk, armature winding rotor disk---permanent magnet rotor disk” are sequentially arranged; the second is to use superconducting pivot winding (402), each 24 armature slots (345) are arranged on the armature winding mounting plates (401, 411), and 20 permanent magnets (405) fan-shaped dicing blocks are arranged on the permanent magnet mounting plate (404) ( Figure 13); the third is to install a common aluminum vane radiator (446) on the left side of the first armature winding mounting plate (411) on the left side, and the other two armature winding rotor discs (410) left.
  • the rotary heat pipe heat exchanger (461) is embedded or mounted on the side, and the heat absorption section (also called the evaporation end) of the rotary heat pipe heat exchanger (461) is disposed on the heat generating armature winding rotor disk (410) through
  • the transport section of the heat pipe heat exchanger (461) directs heat to the outside of the casing body, and a heat sink (462) is disposed on the condensation section of the heat pipe heat exchanger (461), where the rotary heat pipe heat exchanger (461) And the heat sink (462) becomes a combined integrated technology heat dissipating component described in the above technical solution, and the heat dissipation efficiency thereof is ideal.
  • the heat dissipation efficiency is 7-10 times of the heat dissipation efficiency of the blade radiator (446), and it is easy to install and does not require any other power.
  • the heat absorption section of the heat pipe heat exchanger can be set to the hollow center short axis, and the center is Heat on the drive shaft The amount is led to the outer surface of the distal end or the shaft for heat treatment; the fourth aspect is that it adopts a non-circular center short-axis structure, that is, a through-square central short axis is disposed at the inner central axis position of the apparatus of the present embodiment ( 452) structure, and the square center short shaft (452) is provided with a shaft through hole (463), and the through hole (463) can improve the strength of the shaft on the one hand, and the heat dissipation design of the heat pipe on the other hand, the permanent magnet
  • the center of the rotor disk (420) is provided with a square shaft hole and a bushing (
  • each permanent magnet rotor disk (420) and an armature winding rotor coupled thereto is adapted to the air gap electromagnetic coupling installation, and is adapted to adjust the permanent magnet rotor at the square center short axis (452) at the maximum and minimum air gap spacing positions of the corresponding permanent magnet rotor disk Disk position or locking of the permanent magnet rotor disk.
  • the permanent magnet rotor disc stopper pin (448) is adapted to adjust the permanent magnet rotor at the square center short axis (452) at the maximum and minimum air gap spacing positions of the corresponding permanent magnet rotor disk Disk position or locking of the permanent magnet rotor disk.
  • the working mechanism is basically the same as that of the embodiments 2, 3 and 4, except that the permanent magnet rotor disk (420) has a square hole and a bushing (449), and a permanent magnet rotor disk limit pin ( 448) and the square center short shaft (452) construct a mechanically coupled torque transmitting mechanism, the permanent magnet rotor disk can be on the square center short axis (452), corresponding to the two limit pins (448) defined section Sliding left and right, it can slide left and right to mean that the breath spacing can be adjusted, which is very important in the automatic start of the motor, the automatic unloading of the load and the speed regulation of the load, and the permanent magnet rotor can drive the center turntable.
  • central short axis rotation; respectively adjusting the position of the permanent magnet rotor disc limit pin (448) can achieve the purpose of respectively adjusting the maximum or minimum air gap spacing (112) between the rotor discs in each permanent magnet coupling assembly, thereby achieving Adjust the maximum speed of the load.
  • the above embodiments only show specific embodiments of several specific structures of the technical solutions of the present invention, and attempts to illustrate that the present invention can arrange a plurality of different structures, and can also construct a plurality of specific, simple or complex ones.
  • the embodiment of the product technical solution for example, the design of only one or two sets of permanent magnet coupled rotor assemblies is set in the embodiment, and the application implementation of the horizontal or vertical mounting manner by using various adapting shells, dust covers or brackets is adopted. For example; with the heat sink assembly, even add application examples such as the water cooling system.
  • the present invention is not limited to the embodiments given, but they can serve the purpose of inference, and can provide technical solutions for the design of more specific product series models, as long as any other technical solutions are not deviated from the present invention. Changes, modifications, substitutions, combinations and simplifications made by the substance of the invention are to be limited and protected by the rights of the invention.

Abstract

L'invention porte sur un dispositif de couplage à aimant permanent qui comprend un disque de rotor à enroulement d'induit (10, 110, 111, 410), un mécanisme de couplage de disque à enroulement d'induit (6-9, 43, 106-109, 143), un disque de rotor à aimant permanent (20, 120, 420), un mécanisme de couplage de disque à aimant permanent (39, 40, 147-152), un couplage d'entrée (34, 35, 134, 135) et un couplage de sortie (31, 32, 132, 153). Le disque de rotor à enroulement d'induit est composé d'un enroulement d'induit (2, 102, 202, 402) et d'un disque d'installation d'enroulement d'induit (1, 101, 201, 211, 260, 301, 311, 401, 411), et le disque de rotor à aimant permanent est composé d'un ensemble d'aimants permanents (5, 205, 405) et d'un disque d'installation d'aimant permanent (4, 104, 204, 304, 404). Les aimants permanents sont disposés sur la circonférence du disque d'installation d'aimant permanent dans un mode d'alternance de polarités. Le disque de rotor à enroulement d'induit et le disque de rotor à aimant permanent entre lesquels un entrefer (12, 112) est créé sont disposés de manière coaxiale face à face. Le disque de rotor à enroulement d'induit et le disque de rotor à aimant permanent sont accordés au couplage d'entrée et au couplage de sortie correspondants par des mécanismes de couplage appropriés respectivement. L'invention a un rendement de transmission élevé, une structure simple et une installation commode.
PCT/CN2010/074056 2009-06-22 2010-06-18 Dispositif de couplage à aimant permanent WO2010148990A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2009101481031A CN101931309A (zh) 2009-06-22 2009-06-22 一种高效的传动轴永磁耦合装置
CN200910148103.1 2009-06-22

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Publication Number Publication Date
WO2010148990A1 true WO2010148990A1 (fr) 2010-12-29

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US10886830B2 (en) * 2015-12-21 2021-01-05 Itt Bornemann Gmbh Magnetic clutch arrangement and apparatus comprising a magnetic clutch arrangement
CN106300884A (zh) * 2016-08-16 2017-01-04 迈格钠磁动力股份有限公司 永磁离合型调速器
CN107359778A (zh) * 2017-09-18 2017-11-17 上海市东方海事工程技术有限公司 一种缓冲启动型永磁耦合器
CN107947524A (zh) * 2017-12-28 2018-04-20 南京工程学院 带狭缝斜槽结构的轴向磁通永磁涡流联轴器
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