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Silicon steel sheet superposed force sensor

A force sensor and silicon steel sheet technology, which is applied in the field of silicon steel sheet superimposed force sensors, can solve the problems that the force sensor affects the quality of hanging farm implements and other problems, and achieve the effects of improving sensitivity, increasing self-inductance coefficient, and high self-inductive electromotive force.

Pending Publication Date: 2019-01-25
RIZHAO HAIZHUO HYDRAULIC
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AI Technical Summary

Problems solved by technology

The performance of the force sensor will directly affect the working quality of the suspended farm tools. The working environment of the force sensor requires that it not only has a large load bearing capacity, but also has a good linear output under the premise of slight strain. , that is, it has high sensitivity, and there is no related technology that can solve the above problems well

Method used

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  • Silicon steel sheet superposed force sensor
  • Silicon steel sheet superposed force sensor
  • Silicon steel sheet superposed force sensor

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Embodiment Construction

[0016] Below in conjunction with accompanying drawing and embodiment, further elaborate the present invention. In the following detailed description, certain exemplary embodiments of the invention are described by way of illustration only. Needless to say, those skilled in the art would realize that the described embodiments can be modified in various different ways, all without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.

[0017] like figure 1 and figure 2 As shown, the silicon steel sheet superposition type force sensor includes a bearing cylinder 1. In this embodiment, the bearing cylinder 1 is processed from a round tube. Of course, the bearing cylinder 1 can also be made by It is formed by drilling; the bearing cylinder 1 is equipped with an excitation core 2 formed by superimposing a number of cross-shaped silicon steel sheets. For...

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Abstract

The invention discloses a silicon steel sheet superposed force sensor, which comprises a force bearing tube, wherein an excitation magnetic core formed by superposing silicon steel sheets is installedin the force bearing cylinder, four excitation magnetic poles are formed on four arms of the excitation magnetic core, and an excitation coil is installed on the periphery of each excitation magneticpole; an induction magnetic core formed by superposing silicon steel sheets is installed in the force bearing cylinder, four induction magnetic poles are formed on four wing ends of the induction magnetic core, an excitation coil is installed on the periphery of each induction magnetic pole, the excitation magnetic core is vertically installed in the middle of the induction magnetic core, and thefour excitation magnetic poles form two pairs of excitation magnetic poles which are radially and symmetrically arranged. When the force bearing cylinder is subjected to heavy load, component forcesare applied to the two pairs of excitation magnetic poles in the direction of the excitation magnetic poles, both the two pairs of excitation magnetic poles deform, and two symmetrical magnetic fieldsare biased. Since the excitation magnetic core and the induction magnetic core are formed by superposing the silicon steel sheets, the self-inductance coefficient is increased, and the magnetic conduction effect is achieved; in addition, since the two magnetic fields are biased and superposed, the output amplitude of an induction current generated in the induction coil is increased, and the sensitivity is improved.

Description

technical field [0001] The invention relates to the technical field of force sensors, in particular to a silicon steel sheet superimposed force sensor. Background technique [0002] In the electro-hydraulic lifting control process of high-horsepower tractors, soil resistance is one of the main control signals. As the main signal receiving device of the electro-hydraulic lift control, the force sensor plays an irreplaceable role in it, and is one of the core components of the electro-hydraulic lifter. The performance of the force sensor will directly affect the working quality of the suspended agricultural implements. The working environment of the force sensor requires that it not only has a large load bearing capacity, but also has a good linear output under the premise of slight strain. , that is, has a high sensitivity, and there is no related technology that can solve the above problems well. Contents of the invention [0003] The technical problem to be solved by th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L1/12
CPCG01L1/127
Inventor 刘成良李瑞川徐继康黄传真崔焕勇杨俊茹刘长誉
Owner RIZHAO HAIZHUO HYDRAULIC
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