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Motion trail modeling prediction method for transmission characteristics of switch cabinet circuit breaker operating mechanism

A motion trajectory and operating mechanism technology, applied in the protection switch operation/release mechanism, components of the protection switch, prediction, etc., can solve the problems of high test cost, long product development cycle, difficulty in optimal design results, etc., and achieve rapid Calculation and judgment, the effect of reducing R&D cost and R&D cycle, and improving market competitiveness

Pending Publication Date: 2020-10-09
江苏苏懿自动化科技有限公司
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Problems solved by technology

[0003] The purpose of the present invention is to address the deficiencies of the above-mentioned background technology, to provide a motion trajectory modeling prediction method for the transmission characteristics of the switchgear circuit breaker operating mechanism, and to use the modeling theory calculation of the motion trajectory between each transmission mechanism to find out the transmission between each mechanism. characteristics, which solves the technical problems that the traditional design concept is difficult to optimize the design results, the test cost is high and the product development cycle is long

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  • Motion trail modeling prediction method for transmission characteristics of switch cabinet circuit breaker operating mechanism
  • Motion trail modeling prediction method for transmission characteristics of switch cabinet circuit breaker operating mechanism
  • Motion trail modeling prediction method for transmission characteristics of switch cabinet circuit breaker operating mechanism

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Embodiment Construction

[0014] The technical solution of the invention patent will be described in detail below in conjunction with the drawings.

[0015] The schematic diagram of the circuit breaker transmission mechanism of the method for modeling and predicting the movement trajectory of the transmission characteristics of the switchgear circuit breaker operating mechanism is as follows figure 1 As shown, the switchgear circuit breaker transmission mechanism consists of operating handle, fixed axis O, handle transmission rod, hinge point A, drive transmission rod, hinge point B, L-shaped sliding groove, hinge point C, contact linkage rod, and fixed shaft D and other composition. During the closing process of the operating handle, the operating handle force causes the hinge point A of the handle transmission rod to generate a vertical force on the handle transmission rod relative to the fixed axis O point, so that the hinge point A is centered on the fixed axis O point Movement; the vertical force act...

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Abstract

The invention discloses a motion trail modeling prediction method for transmission characteristics of a switch cabinet circuit breaker operating mechanism, and belongs to the technical field of basicelectrical elements. According to the invention, a new design concept and a new design method are introduced; establishing a motion trail equation of each hinge point according to the motion characteristics of each connecting rod mechanism in the switch cabinet circuit breaker operating mechanism; the motion trail equations of the hinge points are combined to obtain a prediction model, the prediction model is solved to obtain the positions of the hinge points meeting the motion transmission characteristics of the connecting rod mechanisms, and quick calculation and judgment of the transmissioncharacteristics such as the structural size, the inter-mechanism cooperation and the inter-mechanism friction performance parameters of the transmission mechanism are achieved.

Description

Technical field [0001] The invention discloses a motion trajectory modeling prediction method for the transmission characteristics of a switchgear circuit breaker operating mechanism, relates to the design and manufacture of a circuit breaker, and belongs to the technical field of basic electrical components. Background technique [0002] The rapid development of smart grids has put forward higher quantitative and qualitative technical requirements for the safety, reliability and continuity of smart switching appliances. The performance of the transmission characteristics of the circuit breaker operating mechanism is directly related to the control characteristics, the coordination of force and energy characteristics and the working reliability of the various mechanisms of the circuit breaker. Regarding the transmission characteristics of the operating mechanism, the traditional design concept is to first go through the conceptual design and program demonstration and then proceed...

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Application Information

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IPC IPC(8): G06F30/20G06Q10/04H01H71/10H01H71/50
CPCG06Q10/04G06F30/20H01H71/10H01H71/1009H01H71/50
Inventor 张茜
Owner 江苏苏懿自动化科技有限公司
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