A disc permanent magnet eddy current coupling
A permanent magnet eddy current and coupling technology, applied in permanent magnet clutches/brakes, asynchronous inductive clutches/brakes, electric brakes/clutches, etc., which can solve problems such as torque fluctuations and poor magnetization effects of couplings , to achieve the effect of reducing axial force, increasing efficiency and reducing torque fluctuation
Active Publication Date: 2020-08-07
HEFEI UNIV OF TECH
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Problems solved by technology
[0004] In order to solve the technical problems of poor magnetism gathering effect and large torque fluctuation of existing couplings, the present invention provides a disc type permanent magnet eddy current coupling
Method used
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[0032] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0033] Please combine figure 1 , The disc permanent magnet eddy current coupling includes a driving mechanism and a driven mechanism connected with the driving mechanism.
[0034] Please combine figure 2 , the driving mechanism includes a driving disc 1 and a driving shaft 7 fixed on the driving disc 1 . The driving disk 1 includes a magnetic coil 1 3 , a magnetic coil 2 4 , a back iron disc 5 , and a back iron disc 2 6 which are arranged coaxially in sequence.
[0035] Please combine Figure 2 to Figure 4 , the first magnetic coil 3 and the second magnetic coil 4 are ring bodies in the form o...
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The invention relates to the technical field of permanent magnet eddy current transmission, and discloses a disc type permanent magnet eddy current coupling. The disc type permanent magnet eddy current coupling comprises a first magnetic ring and a second magnetic ring which are coaxially arranged at a certain interval. Each magnetic ring comprises a plurality of neodymium magnet blocks I which are annularly arranged at equal intervals. On the same magnetic ring, an aluminum material block and a magnetic ferrite block are sequentially spliced between every two adjacent first neodymium magnet blocks, and second neodymium magnet blocks are stacked on the aluminum material blocks. According to the disc type permanent magnet eddy current coupling, on the basis that a magnetic ring is generallymade of a neodymium iron boron material, two parts are additionally arranged on the two sides of the neodymium iron boron material respectively, one side is made of ferrite magnetic materials, the other side is made of filling aluminum materials and neodymium iron boron materials, the two parts play a role in magnetism gathering, the magnetism gathering capacity is more obvious through the overall structural design and magnetizing design, and finally the effects of reducing torque fluctuation, reducing axial force and improving the efficiency of the neodymium iron boron materials are achieved.
Description
technical field [0001] The invention relates to the technical field of permanent magnet eddy current transmission, in particular to a disc type permanent magnet eddy current coupling. Background technique [0002] The basic principle of permanent magnet eddy current transmission technology is: when the permanent magnet rotor and the eddy current ring rotor make relative rotation motion, the permanent magnets on the permanent magnet rotor with alternately arranged magnetic pole directions will produce alternating currents in the eddy current ring made of conductive materials. The magnetic field, and then induces an alternating eddy current in it, and the eddy current generates an induced magnetic field in the eddy current ring, and the induced magnetic field interacts with the constant magnetic field on the permanent magnet rotor, and the two rotors Generate coupling torque, so as to achieve the function of transmitting motion and torque. The structural forms of permanent ma...
Claims
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IPC IPC(8): H02K49/04H02K49/10
CPCH02K49/046H02K49/108
Inventor 郑红梅郑明睿陈科殷磊史洪扬马计委孙宇张国军朱文彪
Owner HEFEI UNIV OF TECH