A magnetic concentrating magnetic coupler
A magnetic coupler and magnetism-gathering technology, applied in the direction of permanent magnet clutches/brakes, electric brakes/clutches, electrical components, etc., can solve the problems that magnetic couplers occupy a large area and are not efficient enough to achieve compact structure, High torque, the effect of improving the transmission torque
Active Publication Date: 2018-03-16
JIAOHUA HYDRAULIC MACHINERY SHANGHAI
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Problems solved by technology
[0004] However, the above-mentioned magnetic coupler occupies a large area and is not efficient enough. Therefore, it is necessary to design a more efficient, compact and reasonable magnetic coupler
Method used
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[0019] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.
[0020] In the present invention, the N pole of the tangential permanent magnet steel 3 points to the direction of the S pole and the tangential direction of the permanent magnet rotor 2 is the same, and the N pole of the radial permanent magnet steel 4 points to the direction of the S pole and the direction of the permanent magnet rotor 2 same radial direction.
[0021] Such as figure 1 and figure 2 As shown, a magnetic coupling of magnetic concentration type, including a conductor rotor 1 set on the drive shaft and a permanent magnet rotor 2 set on the driven shaft, the conductor rotor 1 is a cavity structure, and the permanent magnet rotor 2 is set on the conductor Inside the cavity of the rotor 1, the permanent magnet rotor 2 is an annular iron core, and the tangential permanent magnet steel 3...
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The invention discloses a concentrating magnetic coupler, and relates to the technical field of permanent magnet transmission devices. The concentrating magnetic coupler disclosed by the invention comprises two disc-type conductor rotors and permanent magnet rotors, wherein the two disc-type conductor rotors are arranged on a drive shaft; the permanent magnet rotors are arranged on a driven shaft; the disc-type conductor rotors are in a hollow cavity structure; the permanent magnet rotors are arranged in hollow cavities of the conductor rotors; the permanent magnet rotors are annular iron cores; tangential permanent magnet steel is arranged in each iron core and is used for providing axial fluxes to the conductor rotors at two sides of the permanent magnet rotor; radial permanent magnet steel is attached to the outer surface, far away from or close to the driven shaft, of each permanent magnet rotor and is used for increasing the axial flux of each permanent magnet rotor; and a conductor ring is attached to the outer side of the radial permanent magnet steel, so that the flux of the radial permanent magnet steel forms a loop. According to the concentrating magnetic coupler disclosed by the invention, the problems that a traditional coupler is large in floor area, not compact enough in structure and low in transmission efficiency can be solved.
Description
technical field [0001] The invention relates to the technical field of permanent magnet transmission devices, in particular to a magnetism-concentrating magnetic coupler. Background technique [0002] In large-scale mining, petrochemical, electric power and metallurgy industries, due to the need for energy saving and environmental protection, magnetic couplers are more and more widely used. The magnetic coupler can adapt to various harsh environments, including large grid voltage fluctuations, serious harmonics, flammable, explosive, humid, dusty and other places, and can adjust the speed of the load online to meet the actual operation needs of the system and realize speed regulation and energy saving. The energy saving rate is 10% to 65%. [0003] Existing magnetic couplers mainly include cylindrical magnetic couplers and disc magnetic couplers. The permanent magnets of the cylindrical magnetic coupler are magnetized in the radial direction, and the conductor rotor cuts th...
Claims
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IPC IPC(8): H02K49/10
CPCH02K49/102H02K49/106
Inventor 闫玉美
Owner JIAOHUA HYDRAULIC MACHINERY SHANGHAI