Optimization design method of solenoid type solenoid valve

Abstract

The invention provides an optimization design method of a solenoid type solenoid valve, and belongs to the technical field of solenoid valve design. The optimization design method comprises the following steps: firstly, performing primary design calculation on basic structure size parameters of the electromagnetic valve through an empirical formula, wherein the size parameters mainly comprise the diameter of an armature, the length of the armature, the inner diameter of a coil and the outer diameter of the coil; secondly, performing finite element simulation analysis on the electromagnetic valve, including constructing a finite element model of the electromagnetic valve and performing finite element simulation analysis on the model; and finally, obtaining the maximum electromagnetic force and the minimum response time under the excitation of the limited current as a target, carrying out optimization design on the electromagnetic valve structure, and carrying out experimental verification on the optimized electromagnetic valve structure. According to a mainstream structure of a domestic solenoid valve, a simplified model of the solenoid valve is established, and a more efficient and more economical method for optimization design of the solenoid valve is provided; the tedious process of continuously manufacturing samples in the traditional design process is simplified by using a simulation method, and the working efficiency is improved.

Description

Technical field [0001] The present invention belongs to the field of electromagnetic valve design, involving an optimized design method of a screw-type solenoid valve. Background technique [0002] With the continuous improvement of automation and mechanization during the modern production process, people have a higher demand for electricity control precision, short response time, and the demand for gas control systems. The electromagnetic valve is used as the core components and important components of electricity, liquid, and gas control system. It has the advantages of simple structure, stable and reliable, small size, light weight, low price, and is widely used in fluid transmission and control systems. Therefore, the performance of the solenoid valve control characteristics, reliability, and response speed, etc., determines the performance of electricity, liquid, gas control system. [0003] For the design of the solenoid valve, the main problem in the traditional design met...

AI Technical Summary

Problems solved by technology

[0003] For the design of the solenoid valve, the main problems of the traditional design method are: (1) The static result analysis can only be performed on the structural size initially calculated by the empirical formula, which has low consistency with the measured results of the solenoid valve in operation, and the solenoid valve cannot be considered. Many dynamic parameters in the working state

(2) There are few output parameters in the result, only the magnetic field strength and a few static magnetic field parameters can be considered alone, but the electricity, magnetic field and their coupled results that also have a huge impact on the performance parameters of the final product cannot be analyzed, causing the product to appear during the working process. Many unpredictable problems, low service life

Patent CN 111353248 A is aimed at the simulation optimization design of large complex electromagnetic equipment, and proposes an electromagnetic simulation optimization method and system, but this method is not convenient for analyzing the dynamic characteristics of small electromagnetic components such as solenoid valves

Patent CN 110263463A proposes a method for analyzing electromagnetic induction characteristics based on Ansys Maxwell software. This method uses the eddy current field solver of the software to analyze the electromagnetic characteristics such as the magnetic induction intensity of the tightly wound solenoid cylinder, but this method is not convenient for electromagnetic induction. Quantitative analysis of dynamic characteristic parameters of components

Patent CN 109308376 A proposes a finite element analysis method for switched reluctance motors. The finite element analysis method is used to optimize the design of switched reluctance motors, which improves the energy utilization rate of the motor, but is limited by the structural differences between the motor and the solenoid valve. , this method is not suitable for the structural design of the solenoid valve

Images