WO2011018009A1 - Coupleur d'aimant permanent de type barillet avec couple magnétique permanent ajustable - Google Patents

Coupleur d'aimant permanent de type barillet avec couple magnétique permanent ajustable Download PDF

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Publication number
WO2011018009A1
WO2011018009A1 PCT/CN2010/075752 CN2010075752W WO2011018009A1 WO 2011018009 A1 WO2011018009 A1 WO 2011018009A1 CN 2010075752 W CN2010075752 W CN 2010075752W WO 2011018009 A1 WO2011018009 A1 WO 2011018009A1
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WO
WIPO (PCT)
Prior art keywords
turntable
permanent magnet
coupling
shaft
reel
Prior art date
Application number
PCT/CN2010/075752
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English (en)
Chinese (zh)
Inventor
余亚莉
林贵生
Original Assignee
Yu Yali
Lin Guisheng
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Filing date
Publication date
Application filed by Yu Yali, Lin Guisheng filed Critical Yu Yali
Publication of WO2011018009A1 publication Critical patent/WO2011018009A1/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
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
    • H02K2213/09—Machines characterised by the presence of elements which are subject to variation, e.g. adjustable bearings, reconfigurable windings, variable pitch ventilators

Definitions

  • the invention relates to the technical field of drive shaft coupling drive, the field of load speed regulation technology and the field of power drag, in particular to a cylindrical permanent magnet coupling coupling capable of adjusting permanent magnet torque.
  • the system adjustment mode is backward. Most fans and pumps are regulated by mechanical throttling, and the efficiency is about 30% lower than the speed control mode. the above.
  • the efficiency is about 30% lower than the speed control mode. the above.
  • 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, and it is difficult to achieve closed-loop control; the power factor and efficiency are low, and it drops sharply with the decrease of the rotational speed; 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 and the harmonic pollution has greater interference to the power grid, it further restricts its use, which is backward technology.
  • the electromagnetic slip clutch speed control technology realizes the speed adjustment of the magnetic pole 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 also decreases.
  • 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 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.
  • the frequency conversion speed regulation technology is a relatively common and relatively advanced technology at present.
  • the power electronic technology is used to realize the speed adjustment of the motor, which can be automatically controlled according to the actual working conditions to achieve a certain energy saving effect.
  • the frequency conversion equipment is easy to generate harmonics.
  • the high-power inverter has a very large harmonic pollution to the power grid. It is more expensive and more demanding on the environment. It requires an air-conditioning environment.
  • the failure rate is high, the safety is poor, and the frequency conversion is adjusted.
  • the speed system requires professional maintenance, and the vulnerable parts often need to be replaced, the maintenance cost is high, and the speed regulation range is small, especially when the motor is damaged at low speed, and the corresponding frequency conversion motor is needed, for the commonly used high voltage of 6000V or higher. 50 kW --- For 10,000 kW models, the price is expensive and the total cost of ownership is very large.
  • the permanent magnet coupling and speed control technology is the most advanced drive shaft coupling drive and speed control technology which is being further researched and developed.
  • the main advantages are as follows: 1 energy saving, stepless adjustment of speed, speed range is 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, power equipment is completely started under no load; 5 is not afraid of blocking, not afraid of pulse type load, mechanical seal; 6 tolerate shaft eccentricity, with load isolation, reduce vibration and noise; 7 extend equipment life, increase fault cycle, Reduce maintenance requirements; 8 no harmonic hazard, no damage to power equipment, does not affect grid safety, no power supply except actuator and controller, suitable for various industrial grade motor systems and explosion-proof occasions; 9 no electromagnetic interference; 10
  • the total cost of ownership is relatively low. Another important feature is that there are no requirements for the power source equipment, as long as the output shaft of the power source equipment rotates to work.
  • the permanent magnet coupling and governor seen on the market have been recognized and praised by users.
  • the related products of Magna Drive Company of the United States are also the only ones in the global market that are suitable for motor dragging.
  • There are high-power models of permanent magnet coupling and governor products and there are common transmission shaft double permanent magnet couplings or couplers that cannot be adjusted. Due to the limitations of their structural and technical solutions, the technical performance of their products has many shortcomings, which need to be improved and overcome.
  • the present invention has been innovatively designed in the following aspects: 1 exploiting the advantages of the dual permanent magnet coupling assembly, improving the unit volume magnetic torque transmission efficiency of the device of the present invention.
  • 2 gives the serialized, functionally different design concepts and technical solutions for adjusting the magnetic torque or adjusting the load speed of the air gap spacing and air gap coupling area adjustment mechanism components.
  • These technical solutions have a turntable limit mechanism. Components, torque transmission mechanism components, turntable linkage mechanism components, centrifugal adjustment mechanism components, stepless adjustment mechanism components, automatic stepless adjustment mechanism components, etc., which can be implemented separately, or can be adapted according to actual functions and technical needs.
  • the combination of mechanical components provides technical support for the design of serialized drive shaft permanent magnet coupling drive and speed control products; 3 advanced embedded micro processing technology, automatic control technology and non-contact displacement, speed, temperature sensor technology and coolant Liquid level monitoring technology, with system operation monitoring, soft start Intelligent controller technology solution for type control, load stall event processing and speed intelligent adjustment function, the intelligent controller is matched with the automatic adjustment mechanism components, so that the permanent magnet coupling transmission and speed control device become a fully automated and intelligent system, not only The operability of the product has made great progress, and the real-time following performance of the system has been greatly improved.
  • the whole process monitoring and intelligent control functions during system operation are realized, and can be personalized for different load characteristics and operating conditions.
  • Parameter setting and control meet the technical performance requirements of various application fields; 4Adopting advanced heat dissipation technology, breaking the limitations of the system structure layout of permanent magnet coupling components, the heat dissipation problem of the heat-generating components can be processed efficiently, greatly improving The power capacity per unit volume of the product is reduced, and the product cost is reduced. 5 The integrated package transportation and installation structure of the product is given, which provides technical support for ensuring installation quality and avoiding installation accidents.
  • a cylindrical permanent magnet coupling coupling capable of adjusting permanent magnet torque characterized in that it is a rotary drum type or a rotary drum composite structure, and is composed of at least one set of axial magnetic field permanent magnet coupling components and/or radial a magnetic field permanent magnet coupling assembly, at least one pair of active permanent magnet coupling turntable coupling mechanisms adapted to the active turntable in the permanent magnet coupling assembly, and corresponding active shaft couplings, passive in at least one pair and permanent magnet coupling assemblies
  • the permanent magnet coupling turntable is adapted to the passive permanent magnet coupling turntable coupling mechanism and the corresponding passive shaft coupling, a pair of permanent magnet coupling turntable air gap spacing and coupling area adjustment mechanism, and a pair of integrated systems so that the system can be integrated It is composed of an integrated assembly mechanism for packaging transportation and installation.
  • the axial magnetic field permanent magnet coupling component is an axial magnetic field double permanent magnet coupling component
  • the radial magnetic field permanent magnet coupling component is a radial magnetic field double permanent magnet coupling component
  • a permanent magnet coupling component The active turntable is coupled to the corresponding drive shaft coupling by a suitable active permanent magnet coupling turntable coupling mechanism
  • the passive permanent magnet coupling turntable in the permanent magnet coupling assembly is adapted to be passive
  • the turntable coupling mechanism is coupled with the corresponding passive shaft coupling, and an adapted permanent magnet coupling turntable air gap is provided on the active turntable and its associated coupling mechanism or on the passive turntable and its associated coupling mechanism.
  • Pitch and coupling area adjustment mechanism, an integrated assembly mechanism is arranged between the active turntable and its associated coupling mechanism and the passive turntable and its associated coupling mechanism during factory packaging, transportation and installation.
  • a cylindrical permanent magnet coupling coupling with adjustable permanent magnet torque as described above characterized in that two mutually adapted air gap magnetic field coupling disks in the axial magnetic field permanent magnet coupling assembly are round a disk or ring disk planar opposite structure, wherein the axial magnetic field permanent magnet disk is composed of a disk or a ring-shaped permanent magnet mounting disk and a matching at least one permanent magnet or permanent magnet group, a permanent magnet group
  • the adjacent permanent magnets are arranged alternately in the axial N and S polarities on the circumference of the circular disk or the annular disk-shaped mounting disk, the axial magnetic field permanent magnet disk and the adapted axial magnetic field permanent magnet
  • the disk is coupled in a permanent magnet coupling manner to form an axial magnetic field double permanent magnet coupling assembly
  • two mutually adapted air gap magnetic field coupling plates in the radial magnetic field permanent magnet coupling assembly are cylindrical disks or circular tube disks a nested structure in which a radial magnetic field permanent magnet disk is composed of a cylindrical disk or a circular disk
  • the connection, support, torque transmission and transmission structure are formed by the active permanent magnet coupling turntable coupling mechanism between the turntable and the drive shaft coupling, and the passive permanent magnet coupling turntable coupling mechanism is used for mounting the permanent magnet coupling assembly.
  • End wall of passive permanent magnet coupling turntable, non-circular shaft hole on end wall and its bushing, non-circular center short shaft, torque transmission slide bar, center turntable and its coupling and center short shaft parts or components At least one of the components and the combined components of the corresponding passive shaft coupling, formed by a passive permanent magnet coupling turntable coupling mechanism between the passive permanent magnet coupling turntable and the passive shaft coupling , support, torque transmission Transmission structure.
  • a cylindrical permanent magnet coupling coupling with adjustable permanent magnet torque as described above characterized in that the passive permanent magnet coupling turntable coupling mechanism is used for passive permanent magnet coupling in a permanent magnet coupling assembly At least one of the cage wall of the turntable, the end wall of the cage, the wall of the drum, and the end wall of the drum, and a component or a combination of components corresponding to the corresponding passive shaft coupling, in the passive permanent magnet coupling
  • the connection, support, torque transmission and transmission structure are formed by the passive permanent magnet coupling turntable coupling mechanism between the turntable and the passive shaft coupling, and the active permanent magnet coupling turntable coupling mechanism is used for mounting the permanent magnet coupling assembly.
  • one is the linkage mechanism of the back-to-back adjacent permanent magnet coupling turntable/reel, the central short shaft, the turntable/reel isolation bearing, and the turntable connected with the end of the matching turntable/reel end/ Rotary isolation bearing outer casing or inner sleeve, cam grooved rotary/rotor isolation bearing corresponding to inner sleeve or outer sleeve, cam with cam groove and linear adjustment transmission for inner sleeve or outer sleeve and pivoting adjustment rod Or the cam sleeve of the adjustment handle, the shaft isolation bearing of the cam sleeve and the adapted swing bracket assembly and/or the adapted fixed bracket assembly, and the second is the linkage mechanism of the back-to-back adjacent permanent magnet coupling turntable/reel
  • the turntable/rotary canopy bearing with the rolling/sliding wire master is corresponding to the inner sleeve or the outer sleeve, and the rolling/sliding wire female screw and the pivoting adjustment rod with the silk female cylinder and linear displacement transmission Or adjusting the nut sleeve of the handle, the shaft isolation bearing of the nut sleeve and the adapted swing bracket assembly and/or the adapted fixing bracket assembly, the fifth being by the back-to-back adjacent permanent magnet coupling turntable/drum Linkage mechanism, center short shaft, turntable/reel isolation bearing, turntable/reel isolation bearing jacket or inner sleeve connected with the end of the adapter/rotor end wall, turntable with cam, rack or screw nut/
  • the drum isolation bearing is corresponding to the inner sleeve or the outer sleeve, and is disposed on one side of the transmission shaft and is matched with the inner sleeve
  • the linear displacement transmission mechanism and the drive mechanism assembly and the adapted swing bracket assembly and/or the adapted fixing bracket assembly of the adjusting rod or the adjusting handle matched thereto are composed of a permanent magnet coupling turntable/rotary end wall Non Circular shaft hole and bushing, non-circular center short shaft, turntable/reel isolation bearing, turntable/reel isolation bearing casing coupled with the corresponding turntable/rotor end wall or the non-circular bushing on it Or inner sleeve, the rotary/rotor isolation bearing with cam, rack or screw nut corresponds to the inner sleeve or the outer sleeve, and is disposed on one side of the transmission shaft and corresponding to the inner sleeve or the outer sleeve of the rotary/reel isolation bearing.
  • the structure of the back-to-back adjacent permanent magnet coupling turntable/reel has five structures for separately implementing, one of which is a rolling/sliding screw pair structure, which is linked by at least one pair of turntables/reels.
  • the utility model comprises at least one pair of racks fixed on the end wall of the adjacent turntable/rotary back to back, correspondingly matched rack through holes and a rack gear auxiliary transmission gear assembly on the center turntable, and the third is a horizontal turntable /rotor linkage cam groove lever pair structure, which is provided with at least one pair of cams fixed on the end walls of the two turntables/rotaries, and cam grooves on both ends of the center turntable and the turntable/rotary end
  • the cam on the wall is matched with the horizontal rotary disc/reel linkage cam groove lever
  • the fourth is the vertical rotary/revolution linkage slider shifting pair structure, which is fixed by at least one pair on the turntable/reel end A sliding groove or a sliding rod on the
  • the sliding hole and the sliding hole bushing on the end wall of the cylinder are formed, and the non-circular central short shaft has two kinds of
  • one is a non-circular structural axis
  • the other is a two-section structure, one of which is a non-circular shaft for mounting a permanent magnet coupling turntable/reel, and the other is a circular shaft
  • the swing bracket is mounted between the system foundation, the system base or the system bracket and the inner sleeve or the outer sleeve of the turntable/drum isolation bearing
  • the fixed support frame is installed on the system foundation
  • the system base or system bracket is separated from the drive shaft isolation bearing or servo motor.
  • the stage adjustment structure, the servo motor and its associated mechanism, the controller and the adapted swing bracket assembly and/or the adapted fixed bracket assembly are composed of nine separate structures for implementation, one of which is a back-to-back adjacent permanent magnet
  • the rotary disc isolation bearing which is connected with the screw shaft and the screw of the linear servo motor output cylinder shaft corresponds to the inner sleeve or the outer sleeve, and is provided with the corresponding inner sleeve or the outer sleeve of the rotary disc isolation bearing, and is coupled with the screw hole for linear displacement transmission.
  • the turntable isolating bearing with cam, rack or screw nut corresponds to the inner sleeve or the outer sleeve, and is arranged on one side of the transmission shaft and corresponding to the inner sleeve or the outer sleeve of the rotary disc isolation bearing.
  • the servo motor, the controller-fitted swing bracket assembly and/or the adapted fixed bracket assembly are constructed, and the nine are matched with the externally adapted and independently arranged conventional actuators and matched by the stepless adjustment mechanism.
  • the controller is configured, the adjusting rod or the adjusting handle in the stepless adjusting mechanism is coupled with the output mechanism of the adapted actuator, and the linkage mechanism of the back-to-back adjacent permanent magnet coupling turntable/reel has five kinds of implementations respectively.
  • One of the structures is a rolling/sliding screw sub-structure consisting of at least one set of turntable/reel linkage rolling/sliding screw, a linked rolling/sliding nut on the end wall of the turntable/reel and a matching center turntable
  • the upper rolling/sliding screw pair supporting bearing is constructed
  • the second is a turntable/reel linkage cylindrical or strip type rack gear pair structure, which is fixed by at least one pair on the back end of the adjacent turntable/reel end wall
  • the third is a horizontal rotary disc/rotor linkage cam groove lever sub-structure, which is fixed by at least one pair Turntables / a cam on the end wall of the cylinder, a horizontal rotary disc/rotor interlocking cam groove lever which is arranged on the center turntable and provided with a cam groove and is matched with a cam on the end wall of the turntable/ree
  • the fourth type is a liquid level sensor for sensing the water level of the cooling water.
  • the universal or non-standard data communication interface unit has a 485 interface, a field bus interface, an internet interface, a local area network interface, a wireless communication interface or a dedicated non-standard interface.
  • a cylindrical permanent magnet coupling coupling with adjustable permanent magnet torque as described above characterized in that the non-permanent magnetic field of the non-permanent magnet turntable of the permanent magnet coupling assembly is coupled to one side and/or A heat sink, a heat generating mechanism or a heat generating component to which the permanent magnet coupling component is coupled, mounted, fixed, fabricated or fitted with a suitable heat sink, heat sink, rotating heat pipe radiator, water cooling component or combined integrated technical heat sink component, or Forming, inlaying, welding, embedding or inserting the heat absorption section of the rotating heat pipe on the heat-generating component or component, and transferring the heat to the rotating heat pipe cooling section set at an appropriate position outside the device for heat dissipation by rotating the conveying section of the heat pipe
  • a heat sink, a radiator or a water-cooled component is disposed on the cooling duct cooling section, and the combined integrated technology heat-dissipating component uses at least two of the three air-cooled technical components, the rotating heat pipe technology component, and the water-cooling technology
  • the separately implemented structure is one of an integrated assembly screw assembly disposed between the active turntable/rotary end wall on one side of the drive shaft and the passive turntable/reel end wall assembly, and the second is disposed on the side of the drive shaft.
  • the input coupling and its connected components and the output coupling and its connected components are connected and fixed by an integrated assembly mechanism assembly, and are replaced one by one during the finishing work of the equipment installation and before the equipment is commissioned or Remove the integrated assembly mechanism components.
  • a cylindrical permanent magnet coupling coupling capable of adjusting permanent magnet torque as described above characterized in that the outside of the device is provided with a dust cover or a cage or a casing provided with safety protection and preventing magnetic field leakage, They are only coupled to the outermost component of the unit, the active turntable portion and the passive turntable portion, or to the integrated heat sink or heat sink system, or to the cage, housing or
  • the dust cover is disposed or fused to a base or base frame, bracket or support that is otherwise provided for the device, the motor or the load, and the bracket or the support is a horizontal structure or a vertical structure.
  • the specific structure and layout scheme of the dual permanent magnet coupling component used are well-known technologies, and will not be described in detail in this case.
  • the present invention is mainly to construct a technical solution for integrating or integrating dual permanent magnet coupling components.
  • the technical solution of the air gap spacing and coupling area adjustment mechanism of the magnetic coupling air gap magnetic field, the automatic adjustment control and intelligent control technical scheme, the system heat dissipation technical scheme and the technology of the integrated assembly mechanism for facilitating the overall packaging, transportation and installation of the device of the invention The solution, and some specific, representative or specific technical solutions that can explain the design idea of the solution are described in the specific embodiments.
  • Figure 1 is a schematic diagram of the working principle and structure of the embodiment 1 when the integrated assembly mechanism is installed and at the minimum air gap spacing and the maximum coupling area;
  • Figure 2 is a schematic diagram of the working principle and structure of the embodiment 1 when the integrated assembly mechanism is removed and at the maximum air gap spacing and the minimum coupling area;
  • FIG. 3 is a schematic cross-sectional view showing the working principle and structure of the embodiment 2 when an integrated assembly mechanism is installed;
  • Figure 4 is a right side view of the non-circular center short axis of Embodiment 2;
  • Figure 5 is a schematic diagram of the working principle and structure of the embodiment 3 when the integrated assembly mechanism is installed and the minimum air gap spacing and the maximum coupling area are at a minimum;
  • Figure 6 is a schematic diagram of the working principle and structure of the embodiment 3 after the integrated assembly mechanism is removed, and the turntable is rotated by 90 degrees on the basis of the state shown in FIG. 10 and is at the maximum air gap spacing and the minimum coupling area;
  • Embodiment 7 is a schematic cross-sectional view showing the working principle and structure of Embodiment 4.
  • Figure 8 is a right side view of the center short axis of Embodiment 4.
  • Embodiment 9 is a schematic cross-sectional view showing the working principle and structure of Embodiment 5.
  • FIG. 10 is a block diagram showing the principle and composition of the intelligent controller of Embodiment 5;
  • FIG. 11 is a schematic cross-sectional view showing the working principle and structure of Embodiment 6;
  • Figure 12 is a right side view of the non-circular center short axis of Embodiment 6;
  • Embodiment 13 is a schematic cross-sectional view showing the working principle and structure of Embodiment 7;
  • Figure 14 is a right side view of the non-circular center short axis of Embodiment 7;
  • Embodiment 15 is a schematic cross-sectional view showing the working principle and structure of Embodiment 8.
  • Figure 16 is a top plan view of the horizontal rotary disc linkage cam groove lever pair of Figure 15;
  • FIG. 17 is a schematic cross-sectional view showing the working principle and structure of Embodiment 9;
  • Embodiment 18 is a schematic cross-sectional view showing the working principle and structure of Embodiment 10.
  • Figure 19 is a right side view of the non-circular center short axis of Embodiment 10.
  • Figure 21 is a right side elevational view of the non-circular center of the eleventh embodiment.
  • Fig. 1 and Fig. 2 it is coupled with an axial magnetic field permanent magnet disk (1001, 1002) and an axial magnetic field permanent magnet disk (1035, 1036) to form an axial magnetic field double permanent magnet coupling assembly (1001 and 1035).
  • , 1002 and 1036) a permanent magnet coupling coupling of a turntable type which is laid back to back, and a radial magnetic field permanent magnet disk (1350, 1351) and a inner circumference of the outer drum wall (1072).
  • the outer circumferential surface of the rotating drum wall (1050, 1051) is provided with a radial magnetic field permanent magnet disk (1355, 1356), and respectively coupled to form a radial magnetic field double permanent magnet coupling component; the active permanent magnet coupling rotating shaft coupling mechanism
  • the cage wall (1280) and the cage end wall (1284) are formed, and the cage end wall (1284) is coupled with the driving shaft coupling (1310);
  • the passive permanent magnet coupling rotating shaft coupling mechanism is composed of the turntable end wall (1060, 1061) ), the rolling screw nut (1154, 1155) on the end wall of the turntable, the lead screw (1152, 1153) of the rolling screw, the sliding hole on the end wall (1060, 1061) not shown in the figure, and Its sleeve and turntable torque transmission slide bar, center turntable (1090), center turntable coupling 1093) and a central short axis (1120), the outer end of the central short axis (1120) is coupled with the adapted passive shaft coupling (1311
  • composition after the system is commissioned after the factory installation, in the final stage of the equipment installation process, replace the long bolts (1316, 1315) with the adapted short screws (1317, 1319) to complete the integrated assembly
  • the mission of the organization it does not affect the system structure and system functions; there are cooling air holes (1263, 1264).
  • the rolling screw nut (1154) on the end wall (1060) of the turntable drives the rolling screw pair screw (1152) to rotate, because the two screws (1152, 1153) on each pair of rolling screws are Reverse thread design, the rolling screw pair screw (1152, 1153) under the support of the rolling screw pair support bearings (1101, 1102) on the center turntable (1090), the rolling screw pair lead screw (1153) drives the turntable
  • the rolling screw nut (1155) on the end wall (1061) and its turn end wall (1061) are linearly displaced in opposite or opposite directions, so that the air gap magnetic field spacing in the back-to-back permanent magnet coupling assembly is simultaneously the same The adjustment thus achieves the purpose of steplessly adjusting the magnetic torque and the load speed.
  • the oscillating bracket (1477) on the one hand positions the air gap adjusting mechanism to prevent rotation and follows the rotary cover inner bearing sleeve (1203) for linear displacement swing, and on the other hand supports the passive turntable system.
  • the embodiment also includes inverting or interchangeably using the driving shaft and the passive shaft in the embodiment.
  • the inverted or interchanged transmitting device can work normally, which is suitable for the present invention.
  • All embodiments and embodiments; additionally, in the present invention, the cam groove (1204) on the inner casing (1203) of the turntable isolating bearing is matched with the cam (1206) on the cam sleeve (1205), and A plurality of "cam groove---cam” transmission mechanisms can be arranged symmetrically on the turntable isolation bearing inner sleeve (1203) and the cam sleeve (1205) for reliable and smooth operation.
  • the axial magnetic field double permanent magnet coupling assembly is composed of an axial magnetic field permanent magnet disk (1510) on the end wall (1580) of the outer drum and an axial magnetic field permanent magnet disk (1535) on the inner drum end wall (1561).
  • the two sets of radial magnetic field double permanent magnet coupling assemblies are the outer circumferences of the radial magnetic field permanent magnet disks (1820, 1821) and the inner rotating cylinder wall (1552) on the inner circumferential surface (1577) of the outer rotating cylinder wall (1572).
  • the corresponding radial magnetic field permanent magnet disk (1855, 1856) on the surface (1554) is coupled;
  • the active permanent magnet coupling turntable coupling mechanism is composed of the outer rotating cylinder wall (1572) and the outer rotating cylinder end wall (1580), The end wall (1580) of the rotating drum is coupled with the driving shaft coupling (1810);
  • the passive permanent magnet coupling rotating shaft coupling mechanism is composed of the inner rotating end wall (1560, 1561) and the inner rotating end wall (1560, 1561)
  • the non-circular shaft hole and the sleeve (1635, 1636) and the square center short shaft (1625) are arranged, and the outer end of the square center short shaft (1625) is coupled with the passive shaft coupling (1811);
  • the gap spacing and coupling area adjustment mechanism is a stepless adjustment mechanism, which is composed of the inner rotating cylinder end wall (1560, 1561) and the inner rotating cylinder Square shaft holes and bushings (1635, 1636) on the wall (1560, 1561), limit pins (1682) mounted at appropriate
  • the working principle of this example is different from that of the implementation 1.
  • the first one is that the drum type structure is adopted to make the system structure simpler.
  • the second is that the stepless adjusting mechanism adopts a non-circular center short-axis structure, which also makes the gas
  • the structure of the gap spacing and coupling area adjustment mechanism is simpler and more reliable.
  • the cam groove (1704) on the inner ring sleeve (1703) of the turntable isolation bearing on the circular section (1626) cooperates with the linear displacement transmission of the turntable isolation bearing inner sleeve (1703) on the circular section (1626).
  • the inner sleeve (1703) drives the rotary disc isolation bearing (1701) and the rotary disc isolation bearing outer casing (1702) to perform corresponding linear displacement transmission, and drives the rotating end wall (1560, 1561) and the inner rotating cylinder (1550) to be short in the center of the square.
  • the corresponding linear displacement sliding on the square section (1627) of the shaft (1625), the air gap magnetic field spacing and the coupling area in the permanent magnet coupling assembly are simultaneously adjusted accordingly, thereby achieving the purpose of steplessly adjusting the magnetic torque and the load speed.
  • the limit pin (1682) can be used to set and limit the minimum breath spacing and maximum coupling area.
  • the non-circular center stub axis in the present invention may be a square, a pentagon, a hexagon, a flower shaft or a spline shaft (the spline shaft is also a conventional name for a non-circular drive shaft), and any Axis that slid and transmits torque, axisymmetric, edged geometry can be used as a non-circular center stub.
  • the spline shaft is also a conventional name for a non-circular drive shaft
  • any Axis that slid and transmits torque, axisymmetric, edged geometry can be used as a non-circular center stub.
  • only the simplest square center stub is used as an example.
  • Embodiment 1 substantially the same as Embodiment 1, see Embodiment 1, the difference is that the air gap spacing and the coupling area adjustment mechanism of the turntable isolation bearing inner sleeve and the linear displacement transmission thereof
  • the mechanism of the air gap and the coupling area adjustment mechanism of the embodiment is an automatic stepless adjustment mechanism
  • the inner sleeve of the turntable isolating bearing is designed as an inner sleeve of the isolated bearing with a screw hole and a screw (2214) (2213).
  • the mechanism for linearly dissipating the inner sleeve of the isolation bearing (2213) is designed as a disc type linear servo motor (2215) and a cylindrical output shaft (2216), which are fitted on the central short shaft (2120), and a cylindrical output.
  • the inner sleeve (2219) of the shaft (2216), the isolating bearing (2217, 2218) of the inner sleeve (2219) of the cylindrical output shaft (2216), and the linear servo motor (2215) controller (2480) are formed in the isolated bearing.
  • the sleeve (2213) is coupled to the cylindrical output shaft (2216) of the disc type linear servo motor (2215) by a mounting screw hole and a screw (2214); and is fixed between the linear servo motor (2215) and the foundation of the device.
  • Branch Rack (2478), fixed support frame (2478) can support the air gap spacing and coupling area adjustment mechanism as a whole without affecting the permanent magnet coupling assembly, air gap spacing and coupling area adjustment mechanism and central short axis or non-circular center The short shaft works normally.
  • the fixed support frame (2478) also supports and fixes the passive turntable system mechanism; the support frame (2478) is provided with a controller (2480), and the controller (2480) is controlled by a dial (2480).
  • control knob (2482), controller input and output interface (2483), the controller also includes motor power unit, motor control unit or PLC programmable controller and its compatible peripheral devices and components;
  • the embodiment is a fully automatic dial type permanent magnet coupling speed regulating device.
  • the controller (2480) provides power and control signals for the linear servo motor (2215) under the setting operation, and the linear servo motor (2215) drives the output cylindrical shape.
  • the shaft (2216) is used for linear displacement transmission, which drives the inner sleeve of the isolated bearing (2213) to perform linear displacement transmission, thereby achieving the purpose of steplessly adjusting the magnetic torque and the load rotation speed;
  • Figure 5 also shows the turntable torque transmission sliders (2166 and 2167) and their corresponding turntables (2165), mounted to the turntable (2060, 2061), the slide shaft hole and its bushing (2169, 2168)
  • a design set to the center turntable (2090), and its length can be designed according to requirements.
  • Embodiment 1 substantially the same as Embodiment 1, see Embodiment 1, the difference is that the air gap spacing and the coupling area adjustment mechanism of the turntable isolation bearing inner sleeve and the linear displacement transmission thereof
  • the mechanism of the air gap and the coupling area adjustment mechanism of the embodiment is an automatic stepless adjustment mechanism
  • the inner sleeve of the turntable isolation bearing is designed as an inner sleeve of the isolated bearing with the inner rolling wire tube (2724) (2713).
  • the mechanism for linearly dissipating the inner sleeve of the isolated bearing (2713) is designed as a disc-type rotary servo motor (2725) and its output cylindrical shaft (2726), which is assembled on the central short shaft (2620), and an output cylindrical shaft
  • the outer end of (2726) is provided with an outer ball bobbin (2729) and a cylindrical output shaft (2726) isolation bearing (2727) adapted to the inner rolling bobbin (2724) on the isolating bearing inner sleeve (2713).
  • the wire barrel (2729) is meshed and coupled; a fixed support frame (2978) is disposed between the rotary servo motor (2725) and the foundation of the device, and a rotary servo motor (2725) controller is disposed on the support frame (2978) ( 2980), the controller (2980) is composed of a digital display unit (2984), a keyboard unit (2985), a controller input/output interface (2983), a controller casing, etc., and the controller (2980) further includes a motor power supply unit and a motor.
  • Control unit or embedded single chip system unit, etc.; this embodiment is a fully automatic digital permanent magnet coupling speed regulating device, and the controller (2980) provides power and control signals for the rotary servo motor (2725) under the setting operation.
  • Rotary servo motor (2725) drives the output cylindrical shaft (2726) for rotary transmission.
  • the rolling bearing sleeve (2729, 2724) drives the isolated bearing inner sleeve (2713) for linear displacement transmission, thus achieving stepless adjustment of magnetic torque and load.
  • the purpose of the speed; the fixed support frame (2978) also plays a role in supporting and fixing the passive turntable system.
  • the difference is that the air gap spacing and the linkage mechanism of the back-to-back adjacent permanent magnet coupling turntable in the coupling area adjusting mechanism are different in this embodiment.
  • the rotary rack linkage cylindrical rack gear pair structure is adopted, which is composed of two pairs of racks (3153 and 3154, 3155 and 3156) which are relatively fixed on the back end adjacent rotating disc end walls (3060, 3061), correspondingly adapted teeth.
  • the through-hole (3157, 3158) and the rack-gear sub-transmission gear (3115, 3116) on the center turntable (3090) are composed of a turntable isolation bearing outer casing (3212) and a turntable end wall (3060) in a linear servo motor ( 3215)
  • the rack (3153, 3155) on the end wall (3060) of the turntable is also driven by the corresponding linear displacement.
  • the racks (3153, 3155) drive the transmission gears (3115, 3116) respectively.
  • the embodiment is a fully automatic intelligent permanent magnet speed regulating device.
  • a fixed support frame (3478) is disposed between the linear servo motor (3235) and the foundation of the device, and an intelligent controller (3480) is disposed on the support frame (3478), and the intelligent controller (3480) is viewed from the outside. It consists of a graphic display unit (3484), a keyboard unit (3485), an input/output interface unit (3492), a sensor and a control terminal (3494), etc., as shown in FIG.
  • the circuit configuration of the intelligent controller (3480) and Working principle block diagram which is composed of embedded microprocessor unit, graphic display unit, keyboard unit, displacement sensor and its interface unit, active shaft speed sensor and its interface unit, passive shaft speed sensor and its interface unit, used to monitor the heating turntable Or component temperature sensor and its interface unit, coolant level sensor interface unit, multi-channel digital input and output interface unit, multi-channel analog input and output interface unit, general or non-standard data communication interface components, sensors and control terminals Unit, motor power unit, controller power circuit and controller housing, etc., controller power supply
  • the circuit provides operating power for each circuit unit in the controller, the motor power unit provides drive power and control signals for the adapted servo motor; the embedded microprocessor senses signals and data through the direct or indirect system operating conditions described above.
  • the collection, calculation and analysis, combined with stored system parameters and historical data, real-time operating commands and interface communication data, enable intelligent controllers to have system self-test, work status self-learning and adaptive, real-time monitoring of working status, event acquisition and emergency Processing, fault alarm and user-friendly man-machine interface, control and drive adaptation of the servo motor intelligent work, making the permanent magnet speed control device an advanced, robust, intelligent drive shaft coupling drive and Speed control system.
  • Fig. 11 and Fig. 12 it is composed of three sets of axial magnetic field double permanent magnet coupling components (3501 and 3535, 3502 and 3536) in the order of "axial magnetic field permanent magnet disk---axial magnetic field permanent magnet disk”. , 3503 and 3537) and three sets of radial magnetic field double permanent magnet coupling components of the drum type permanent magnet coupling coupling; active permanent magnet coupling turntable coupling mechanism from the outer drum wall (3572), outer drum The end wall (3570) is formed, the outer rotating end wall (3570) is coupled with the driving shaft coupling (3810); the passive permanent magnet coupling rotating shaft coupling mechanism is composed of the rotating end wall (3560, 3561, 3562), the turntable end wall The upper square shaft hole (3630, 3631, 3632) and its integrated turntable square shaft sleeve (3638) and square center short shaft (3625), the outer end of the square center short shaft (3625) and the fit
  • the passive shaft coupling (3811) is connected; the air gap spacing and coupling area adjustment mechanism is an automatic
  • the device (3980) is composed, the output pull rod shaft (3716) of the linear servo motor (3715) is connected with the inner sleeve of the isolation bearing (3713), and the linear servo motor (3715) is mounted on the fixed support frame (3978), and the bearing sleeve is isolated ( 3712) Between the ground and the ground, the left and right swing support frame/rod (3977), the linear servo motor (3715) and the fixed support frame (3978) and the central short-axis circular segment (3626) are separated bearings (3717) For isolation, an intelligent controller (3980) is disposed at a suitable position in the middle of the fixed support frame (3978).
  • FIG. 11 is an integrated assembly disassembled in this embodiment.
  • the working principle of the air gap spacing and the coupling area adjustment mechanism the controller controls and drives the linear servo motor (3715) to work, the output shaft of the servo motor (3716) moves linearly to the left and right, and the output shaft (3716) drives the inner sleeve of the isolated bearing (3713). ) slides left and right on the center short-axis circular section (3626), and simultaneously drives the turntable isolation bearing (3711) and the integrated isolated bearing outer casing (3712) to slide left and right on the square short axis (3625) square section (3627).
  • the isolated bearing casing (3712) drives the permanent magnet turntable (3535, 3536, 3537) to perform corresponding left and right displacement, and the air gap magnetic field spacing in the permanent magnet coupling assembly is adjusted accordingly to achieve stepless adjustment of the magnetic torque and load shaft or
  • the purpose of the load speed; during operation, the permanent magnet turntable (3535, 3536, 3537) is adapted to the magnetic torque transmission by the integrated isolating bearing housing (3712) and the square segment (3625) of the quadrilateral center short shaft (3625).
  • FIG. 13 and Fig. 14 it is a cylindrical structure permanent magnet coupling coupling which is formed by nesting an inner drum (4050) and an outer drum (4070).
  • the two non-circular shaft shaft sleeves (4131, 4132) on the left side may not be in the non-circular shaft shaft sleeve (4130) and the isolation bearing of the inner drum end wall (4060).
  • the sleeve (4212) is integrated, and the end wall (4060) of the inner drum can be pushed and pulled to achieve the purpose of simultaneously pushing and pulling the end walls of the three inner drums and the inner drum; the end wall of the inner drum (4061, 4062)
  • the fan blade radiator (4270, 4271, 4272) and the heat dissipation vent (4273) are disposed on the inner drum wall (4054) and the outer drum end wall (4060) to fit and set the drum combination.
  • Integrated technology heat sink (4276, 4275), which is fitted by a rotating heat pipe (4276)
  • the heat sink (4275) is configured, and the heat absorption sections of each of the rotating heat pipes are respectively embedded in the heat-generating inner drum wall (4054), and the heat is guided to the outside of the inner drum through the conveying section, and is set in the cooling section of the rotating heat pipe.
  • the anti-rotation motion, the rolling/screw output shaft (4216) and the rolling/sliding screw nut provided on the isolating bearing casing (4213) are adapted to drive, and the isolated bearing casing (4213) is slid to the left and right, and at the same time, the turntable isolating bearing (4211) ) and the isolated bearing inner sleeve (4212) slides on the square (4125) square section (4127) of the square center short axis (4125), and the inner sleeve of the isolation bearing (4212) drives the inner rotating cylinder (4050) to perform corresponding left and right displacement and permanent magnet coupling.
  • the air gap magnetic field spacing and coupling area in the assembly are adjusted accordingly to achieve the purpose of steplessly adjusting the magnetic torque and the load shaft or load speed; during the working process, the inner drum Through the non-circular shaft hole in a housing (4131,4132) and the inner bearing spacer sleeve (4212) of the four-center minor axis (4125) of square section (4127) is adapted to complete a magnetic torque transmission function.
  • the embodiment has the same permanent magnet coupling assembly structure and structure as that of the embodiment 1, except that the air gap spacing and the coupling area adjusting mechanism are automatic stepless adjusting mechanisms.
  • the composition and working mechanism are: two sets of horizontal rotary disc linkage cam groove lever pairs (4662, 4618, 4664, 4665, 4565, 4566 and 4663, 4619) which can link the back-to-back turntable in opposite or opposite directions, and the turntable torque transmission slip Bar (4666, 4667), sliding hole bushings (4595, 4596), central short shaft (4620), turntable isolation bearing (4711), and end wall (4560) on the end wall (4560, 4561) of the inner drum
  • the cam sleeve (4721) and the cam (4716) are rotated in any reverse direction, and the cam (4716) drives the isolated bearing inner sleeve (4713) provided with the cam groove (4714), the turntable isolation bearing (4711) and associated therewith.
  • the turntable (4560) performs linear displacement movement to the left and right, and the turntable (4560) links the corresponding back-to-back set turntables (4561) through opposite directions in the opposite direction to make the permanent magnet coupling through the horizontal turntable linkage cam groove lever pair.
  • the air gap magnetic field spacing and coupling area in the assembly are adjusted accordingly to achieve the purpose of stepless adjustment of magnetic torque and load shaft or load speed.
  • the embodiment is basically the same as the embodiment 8, except that the air gap spacing and the coupling area adjusting mechanism are two sets of vertical rotary table linkage slider forks which can interlock the opposite or opposite directions of the back-to-back turntable.
  • the auxiliary pair 5065, 5066, 5118, 5067, 5068) replaces the horizontal rotary table linkage cam groove lever pair.
  • the working mechanism is as described in the above embodiments and the eighth embodiment.
  • the permanent magnet assembly and the structure of the present embodiment are substantially the same as those of the seventh embodiment, except that the end wall and the outer rotating cylinder of the inner rotating cylinder (6050) of the embodiment are the same.
  • a set is added between the ends (6086) of the wall (6072), the end of the cylinder wall (6053) of the inner drum (6050) and the outer edge (6088) of the outer drum end wall (6080).
  • the axial double permanent magnet coupling assembly (6011 and 6036, 6010 and 6035) replaces the parallel shaft motor in the embodiment 9 with a cross shaft motor (6215)---gear (6220) rack (6219) transmission adjustment assembly ( 4215)---Rolling/sliding screw pair (4216, 4219) transmission adjustment assembly, this embodiment removes the heat dissipation mechanism.
  • the working mechanism refers to the above various embodiments.
  • the permanent magnet component layout and the structure of the present embodiment are substantially the same as those of the embodiment 6, except that the disk type linear servo motor structure described in the embodiment 3 is used in the embodiment.
  • the adjustment assembly that is, the disc type linear servo motor (7215), the cylindrical output shaft (7216) inner sleeve (7219) isolation bearing (7217, 7218) and the linear servo motor (7215) controller (7480) replaced the implementation
  • the linear servo motor (3715) and the output pull rod shaft (3716) assembly in Example 6 the cylindrical output shaft (7216) is coupled to the isolated bearing inner sleeve (7213); another difference is that Figure 20 of the present embodiment
  • An integrated assembly mechanism (7312, 7313, 7314) is disposed between the wall of the active carousel (7282) and the isolated bearing casing of the passive carousel (7212), and the integrated assembly mechanism is removed during the installation of the device. (7312, 7313, 7314) can be.
  • the working mechanism refers
  • the application embodiment in which the bracket is formed in a horizontal or vertical installation manner; the application embodiment in which the heat dissipation component is added, or even the upper water cooling system is added, can be given according to the technical solution of the present invention; for example, various types are adopted. Different system state sensors can also be derived from many embodiments, and there are many types of displacement sensors, or a built-in grating displacement sensor or Servo motor of displacement encoder and so on. In addition, in order to illustrate or indicate the diversity of design schemes of a certain structure or component and the convenience of explanation, the punctuation marks "/" are used in many places in the "Instructions" and the "Responses” of this case, which means “or "the meaning of.
  • 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.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)

Abstract

La présente invention concerne un coupleur d'aimant permanent de type barillet avec couple magnétique permanent ajustable qui affiche une conception de type complexe à barillet-plaque tournante ou de type à barillet. Le coupleur comprend au moins un jeu d'ensembles de couplage à aimant permanent à double champ magnétique axial (1001, 1002, 1035, 1036 ; 1510, 1535 ; 3501, 3502, 3503, 3535, 3536, 3537 ; 4020, 4035 ; 6010, 6011, 6035, 6036) et/ou un jeu d'ensembles de couplage à aimant permanent à double champ magnétique radial (1350, 1351, 1355, 1356 ; 1820, 1821, 1855, 1856 ; 4340, 4341, 4342, 4344, 4355, 4356), au moins un mécanisme de couplage de plaque tournante pour couplage d'aimant permanent d'entraînement (1280, 1284 ; 1572, 1580 ; 3572, 3580) et un coupleur d'axe d'entraînement correspondant (1310 ; 1810 ; 3810) adapté à une plaque tournante d'entraînement de l'ensemble de couplage à aimant permanent, au moins un mécanisme de couplage de plaque tournante de couplage à aimant permanent entraîné et un coupleur d'axe entraîné correspondant (1311 ; 1811 ; 3811) adapté à une plaque tournante de couplage à aimant permanent entraîné de l'ensemble de couplage à aimant permanent, un mécanisme d'ajustement d'une zone de séparation et de couplage d'écartement de plaque tournante pour couplage à aimant permanent, ainsi qu'un mécanisme d'assemblage d'intégration (1315, 1316 ; 1815, 1816 ; 7312, 7313, 7314) formant le système d'une structure d'intégration, de manière à permettre un emballage, un transport et une installation pratiques. Le coupleur peut être appliqué à un domaine technique d'entraînement par couplage d'un axe de transmission, un domaine technique d'ajustement de la vitesse de chargement et un domaine technique d'extraction de puissance.
PCT/CN2010/075752 2009-08-11 2010-08-06 Coupleur d'aimant permanent de type barillet avec couple magnétique permanent ajustable WO2011018009A1 (fr)

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CN102355119A (zh) * 2011-09-28 2012-02-15 兰州海兰德泵业有限公司 一种平面磁力传动耦合器
CN109888985A (zh) * 2019-04-09 2019-06-14 日照东方电机有限公司 一种小空间用低速大转矩永磁电动机驱动系统
CN110768455A (zh) * 2019-09-30 2020-02-07 青岛海洋科学与技术国家实验室发展中心 全海深磁力耦合双输出传动电机及全海深三维云台
CN112786341A (zh) * 2021-03-10 2021-05-11 上海思源高压开关有限公司 一种高压开关机构保护装置
CN114709041A (zh) * 2022-02-18 2022-07-05 江苏大学 一种基于海尔贝克环状阵列的旋转磁场发生装置
CN114913741A (zh) * 2022-04-06 2022-08-16 南昌交通学院 一种心理学注意力分配训练机构

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CN104348335A (zh) * 2013-07-23 2015-02-11 杨玉岗 集成盘式永磁调速电动机
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CN104242601A (zh) * 2014-09-09 2014-12-24 李启飞 流体调速筒式磁力耦合器
CN105896880A (zh) * 2014-09-09 2016-08-24 李启飞 Tle/f型流体调速筒式磁力耦合器
CN104590949A (zh) * 2014-12-04 2015-05-06 芜湖福马汽车零部件有限公司 一种双盘收线装置
CN105896929A (zh) * 2015-01-23 2016-08-24 李启飞 911型回转支承盘式磁力耦合器
CN106329878A (zh) * 2015-06-15 2017-01-11 李启飞 磁力机械变速器
WO2017109523A1 (fr) * 2015-12-21 2017-06-29 Sümegi István Andor Actionneur électromécanique bistable
CN106411099B (zh) * 2016-09-23 2024-04-09 迈格钠磁动力股份有限公司 一种防止过热的风冷型永磁涡流柔性调速装置
CN109217631A (zh) * 2018-11-15 2019-01-15 赵克中 组合式永磁无级变速器

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CN102355119A (zh) * 2011-09-28 2012-02-15 兰州海兰德泵业有限公司 一种平面磁力传动耦合器
CN109888985A (zh) * 2019-04-09 2019-06-14 日照东方电机有限公司 一种小空间用低速大转矩永磁电动机驱动系统
CN109888985B (zh) * 2019-04-09 2024-03-12 日照东方电机有限公司 一种小空间用低速大转矩永磁电动机驱动系统
CN110768455A (zh) * 2019-09-30 2020-02-07 青岛海洋科学与技术国家实验室发展中心 全海深磁力耦合双输出传动电机及全海深三维云台
CN112786341A (zh) * 2021-03-10 2021-05-11 上海思源高压开关有限公司 一种高压开关机构保护装置
CN112786341B (zh) * 2021-03-10 2022-12-20 上海思源高压开关有限公司 一种高压开关机构保护装置
CN114709041A (zh) * 2022-02-18 2022-07-05 江苏大学 一种基于海尔贝克环状阵列的旋转磁场发生装置
CN114709041B (zh) * 2022-02-18 2024-04-09 江苏大学 一种基于海尔贝克环状阵列的旋转磁场发生装置
CN114913741A (zh) * 2022-04-06 2022-08-16 南昌交通学院 一种心理学注意力分配训练机构
CN114913741B (zh) * 2022-04-06 2023-05-23 南昌交通学院 一种心理学注意力分配训练机构

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