Controller and upper cover plate NVH performance optimization structure
A technology that optimizes structure and controller, applied in electrical components, chassis/cabinet/drawer parts, electrical equipment shell/cabinet/drawer, etc., can solve problems such as poor NVH performance, prolong service life, increase Stable, modal effect
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[0040] figure 1 It is a structural schematic diagram of the NVH performance optimization structure of the upper cover plate of a controller proposed by the present application; figure 2 is the schematic diagram of the cross-sectional structure of the shell; image 3 It is a schematic diagram of the connection structure of the transfer stud and the bolt. A NVH performance optimization structure of an upper cover of a controller may include: a controller 1 , an upper cover 2 , a groove 3 , a fixing component, a housing 9 , and an installation area.
[0041] The groove 3 is located on the upper cover plate 2, the installation area is located in the groove 3, the fixed component is installed in the installation area, and the installation area is set to be a rectangle, a circle center, an ellipse, etc., and the center position of the installation area is the same as the upper cover plate The center positions of 2 coincide, so that the lowest modal position of the upper cover pla...
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