Motor position sensor structure with high sealing performance

By inserting ground wires into the motor position sensor and sealing with epoxy resin material, the problem of difficult to take into account both EMC performance and high sealing in the prior art is solved, and better sealing and EMC performance are achieved.

CN222188238UActive Publication Date: 2024-12-17ELECTRICFIL ENGINE COMPONENTS (WUHAN) CO LTD
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Patent Information

Application Number
CN202420418802.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-05
Publication Date
2024-12-17
Estimated Expiration
2034-03-05

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Abstract

The utility model discloses a motor position sensor structure with high sealing performance, which comprises a sensor shell, a connector is arranged at the lower end of the sensor shell, a grounding wire is embedded in the sensor shell, the lower end of the grounding wire is connected into the connector, the upper end of the grounding wire is connected with a metal embedded ring, and the metal embedded ring is connected with a metal wire. A PCB cavity is formed in the sensor shell, a resin sealing groove is formed in the lower portion of the sensor shell, an end cover is installed at the rear end of the resin sealing groove, and the front end of the resin sealing groove is filled with sealing resin; according to the utility model, the structure design is reasonable, the problem of product failure caused by unreliable sealing due to the fact that only the ground wire is added is solved, and the EMC performance requirements of customers under special conditions can be met.
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