Magnetic assembly for Hall element
A technology of magnetic components and Hall elements, used in the measurement of magnetic variables, measuring devices, instruments, etc., can solve the problems of low production efficiency of epoxy resin, weak structure, and long labor time, so as to improve production efficiency and product quality. Yield, eliminating epoxy resin curing process, reducing labor and equipment costs
Inactive Publication Date: 2016-03-23
WUXI LONGSHENG TECH
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Problems solved by technology
The traditional process adopts a mechanical assembly structure, which is not firm and needs to be bonded with single-molecule epoxy resin, but the production efficiency of epoxy resin curing is low, oven equipment is required and more labor time is required, not only the assembly process The process is more complicated and cumbersome, and increases the production cost; in addition, the overflow of epoxy resin will also cause the production of substandard products
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[0015] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0016] A magnetic component used in a Hall element, the structure of which is as figure 2 As shown, it includes a nylon piece, a metal insert 1 and a permanent magnet 3, one end of the metal insert 1 and the entire permanent magnet 3 are embedded in the nylon piece, and the metal insert is used to assemble the magnetic assembly to other rotating parts.
[0017] The structure of the permanent magnet 3 is as figure 2 and image 3 As shown, the base body is a cuboid structure, the corners of the permanent magnets are provided with corner positioning blocks 6, and the position of the nylon parts corresponding to the corner positioning blocks 6 of the permanent magnets is provided with matching grooves to ensure that the magnetic components are Permanent magnets enable precise positioning.
[0018] In this embodiment, the nylon part i...
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The invention discloses a magnetic assembly for a Hall element. The magnetic assembly comprises a nylon part and a permanent magnet embedded into the nylon part, wherein corner positioning blocks are arranged at the corners of the permanent magnet, and the nylon part is provided with matched grooves corresponding to the corner positioning blocks of the permanent magnet; and a metal insert for assembling the magnetic assembly onto other rotating component is further embedded into the nylon part. The permanent magnet and the metal insert are injected into a nylon plastic package, and positioning blocks are arranged at the corners of the permanent magnet, so that the permanent magnet can be accurately positioned, the technical problem that epoxy resin is needed for sticking due to infirm mechanical structure when the permanent magnet is assembled in the past is solved, meanwhile, an epoxy resin curing process is saved, the material cost is reduced, the manpower and equipment costs are reduced, and the production efficiency and the product yield are improved.
Description
technical field [0001] The invention relates to the technical field of semiconductor manufacturing, in particular to a magnetic component matched with a Hall element. Background technique [0002] The Hall element is a magnetic sensor based on the Hall effect, which is used to detect the magnetic field and its changes, and can be used in various occasions related to the magnetic field. Therefore, an external magnetic field is required for the Hall element to work, and permanent magnets of rare earth materials are usually used to generate the magnetic field; usually, the Hall element is used to fix and cooperate with the magnetic assembly composed of permanent magnets to work by rotating or moving. [0003] During rotation or movement, the magnetic assembly needs to move together with other components or be driven by other components. The structure of traditional magnetic components such as figure 1 As shown, the permanent magnet is assembled in nylon, and then the surface ...
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IPC IPC(8): G01R33/07
CPCG01R33/07
Inventor 邵兴隆
Owner WUXI LONGSHENG TECH