Matching method of vehicle fuse
A matching method and fuse technology, which are applied in the field of vehicle fuse matching, can solve the problems of being prone to errors, large workload for verifying the correctness of results, and huge workload for artificially fitting current curve regression equations, thereby achieving the effect of improving accuracy.
Active Publication Date: 2016-01-20
BAIC GRP ORV CO LTD
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Problems solved by technology
[0008] However, the disadvantages of the existing methods are: (1). The workload of manually fitting the regression equation of the current curve is huge; (2). The error of the manual regression equation is large; (3). The workload of manual calculation of the integral is large and error-prone; (4). The workload of verifying the correctness of the calculated results is large
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[0019] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.
[0020] In the matching method of the vehicle fuse in the embodiment of the present invention, first obtain the current curve of the electric device of the vehicle; then carry out mathematical modeling regression to the current curve, generate the corresponding regression equation; use the regression equation to generate the current-time curve, and Data comparison is performed on the obtained current curves. If the comparison result ...
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The embodiment of the invention provides a matching method and matching equipment for a vehicle fuse. The matching method comprises the following steps of: acquiring a current curve of an electrical appliance of a vehicle; mathematically modeling and regressing the current curve to generate a corresponding regression equation; generating a current-time curve through the regression equation, and performing data comparison on the current-time curve and the acquired current curve; if a comparison result is not in a predetermined deviation range, re-performing mathematical modeling and regression calculation; if the comparison result is in the predetermined deviation range, performing integral operation on the regression equation to obtain a fusion heat energy value of impact current; calculating a rated current value of a selected fuse through the fusion heat energy value of the impact current and the current curve; performing matching according to the calculated rated current value of the selected fuse to obtain the corresponding fuse. The fusion heat energy value of the impact current is calculated more accurately and quickly, and the matching accuracy of the fuse is effectively improved.
Description
technical field [0001] The invention relates to the technical field of vehicles, in particular to a matching method of a vehicle fuse. Background technique [0002] The fuse (fuse) is also called a current fuse, and the IEC127 standard defines it as a "fuse-link". When a fault or abnormality occurs in a circuit, the current will continue to rise, and the rising current may damage some important or valuable components in the circuit, and may also burn the circuit or even cause a fire. If the fuse is correctly placed in the circuit, the fuse will fuse itself to cut off the current when the current abnormally rises to a certain height and heat, thereby protecting the safe operation of the circuit. [0003] There is an inrush current when the vehicle electrical components are started, and the magnitude and duration of the inrush current are key factors affecting the life and reliability of the fuse. Generally, when selecting a fuse, the melting heat energy value (I 2 t, where...
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IPC IPC(8): G01R31/00
Inventor 邵波
Owner BAIC GRP ORV CO LTD