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Power cabinet with nonlinear damping platform

A kind of power cabinet, non-linear technology, applied in the direction of seismic equipment, electrical components, substation/distribution device casing, etc., can solve the problem of the spring structure is not very ideal, less consideration of energy dissipation, vibration energy dissipation and other problems, to achieve space Small size, good bearing capacity and stability, stable operation effect

Active Publication Date: 2020-01-10
山东博安泰电气有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the direct damping method of the elastic element usually used in the prior art has two disadvantages: first, the stability is poor, the spring reduces the impact by reducing the vibration frequency and expanding the amplitude, and the stability of this linear damping method is relatively poor , although it can play a shock-absorbing effect, the effect is limited by the spring structure and is not ideal. The second is that the energy dissipation problem is less considered. The impact energy brought by vibration is fixed, and the energy concentration is relieved by the spring Although the release effect is a conventional method, it is far less effective than dissipating the vibration energy as soon as possible

Method used

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  • Power cabinet with nonlinear damping platform

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Experimental program
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Effect test

Embodiment 1

[0041] The ratio of the width and thickness of the shock absorbing ring 11 is between 0.5-2 and the thickness of the shock absorbing ring 11 is greater than 5 millimeters. At this time, the rigidity of the shock absorbing ring 11 is relatively large, and the longitudinal flexible hinge 15 and the horizontal hinge on the shock absorbing ring 11 The flexible hinge 16 plays a role of rotation, and the four parts connected by the vertical flexible hinge 15 and the horizontal flexible hinge 16 of the shock absorbing ring 11 play the role of a rigid link frame. Enhance the stability of the overall structure.

Embodiment 2

[0043] The ratio of the width and thickness of the shock absorbing ring 11 is between 0.5-2 and the thickness of the shock absorbing ring 11 is at 3-5 millimeters. At this moment, the rigidity of the shock absorbing ring 11 is less, and the longitudinal flexible hinge 15 on the shock absorbing ring 11 And the horizontal flexible hinge 16 plays a role of rotation, the main body of the shock absorbing ring 11 plays a part of the elastic effect, and the four parts connected by the vertical flexible hinge 15 and the horizontal flexible hinge 16 of the shock absorbing ring 11 play the role of an elastic link frame, reducing The installation quantity of shock ring 11 is not less than 4, to enhance the stability of the overall structure.

Embodiment 3

[0045] The ratio of the width to the thickness of the shock absorbing ring 11 is greater than 3. At this time, the stiffness of the shock absorbing ring 11 is small, and the vertical flexible hinge 15 and the horizontal flexible hinge 16 on the shock absorbing ring 11 play a role of rotation, and the main body of the shock absorbing ring 11 plays a role of rotation. To achieve a part of the elastic effect, the four parts connected by the vertical flexible hinge 15 and the horizontal flexible hinge 16 of the shock absorbing ring 11 play the role of an elastic link frame and have an orientation function. The number of shock absorbing rings 11 installed is not less than 2, To enhance the stability of the overall structure.

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Abstract

The invention discloses a power cabinet with a nonlinear damping platform. The power cabinet comprises a power cabinet body composed of hot galvanizing lace angle iron and a sheet metal skin. A powercabinet base body with an upper opening cavity structure is embedded in a bottom of the power cabinet body. An organ-shaped damping shock absorption unit is arranged in a center of the bottom of the power cabinet base body. The damping shock absorption unit can efficiently consume shock energy of components in multiple directions. A periphery of the bottom of the power cabinet base body is provided with a plurality of nonlinear damping units. Sensitivity and stability of the non-linear damping unit are improved by applying a flexible hinge. A damping ring in the non-linear damping unit plays arole of a connecting rod frame through four parts connected via a longitudinal flexible hinge and a transverse flexible hinge. A non-linear rigidity vibration isolation effect is generated between folding and contraction of the connecting rod frame structure and an elastic element, the power cabinet base body, the damping shock absorption unit and the multiple non-linear damping units are combined into a non-linear damping platform, and the non-linear damping platform is designed through a non-linear structure and has a good bearing capacity and stability.

Description

technical field [0001] The invention relates to the technical field of power cabinets, in particular to a power cabinet with a nonlinear damping platform. Background technique [0002] The power cabinet is a commonly used power infrastructure. It is equipped with a large number of power components. The power cabinet has the characteristics of long-term continuous operation. The power cabinet is generally placed in the open air, so the external weather conditions may affect the environment inside the power cabinet. Since the electrical components inside the power cabinet are operated continuously for a long time, the electrical devices in the cabinet will generate heat during operation, and the heat will affect the rubber insulating material in the power cabinet, resulting in accelerated aging and reduced insulation performance. Severe aging may lead to short circuit of internal electrical components, resulting in accidents, and the electrical components placed in the cabinet...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02B1/30H02B1/54H02B1/01
CPCH02B1/30H02B1/54H02B1/013
Inventor 杨向民
Owner 山东博安泰电气有限公司
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