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Sensing device and sensing method

A technology of a sensing device and a sensing method, which is applied in the direction of using an electric/magnetic device to transmit a sensing member, etc., can solve the problem of low sensing accuracy of the sensing device, and achieve the effect of increasing the rate of change and improving the sensing accuracy.

Active Publication Date: 2018-11-06
德惠市北方汽车底盘零部件有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in this case, the change of the magnetic field intensity is small, and it is difficult to make the magnetic induction element generate the magnetic induction signal in time and accurately, so that the sensing accuracy of the sensing device is not high.

Method used

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  • Sensing device and sensing method

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Embodiment Construction

[0038] The core of the present invention is to provide a sensing device to improve the sensing accuracy of the sensing device. The invention also provides a sensing method.

[0039] In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0040] Please refer to Image 6 with Figure 7 , Image 6 Is a schematic structural diagram of the first state of the sensing device provided by the present invention; Figure 7 It is a schematic structural diagram of the second state of the sensing device provided by the present invention.

[0041] In this specific embodiment, the sensing device includes a housing and a bar magnet 1 and a magnetic induction element 2 arranged in the housing. The "0" magnetic point of the bar magnet 1 can be positioned along its N pole and S The arrangement direction of the poles moves...

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Abstract

The invention discloses a sensing device and a sensing method. The sensing device comprises a shell, and a bar magnet (1) and a magnetic induction element (2) which are arranged in the shell. The "0" magnetic point mid-position of the bar magnet (1) can move relative to the magnetic induction element (2) along arrangement direction of the N pole and the S pole of the bar magnet (1). The induction surface of the magnetic induction element (2) faces one side, which is parallel to the arrangement direction of the N pole and the S pole of the bar magnet (1), of the bar magnet (1). The moving stroke of the "0" magnetic point mid-position passes through the induction surface of the magnetic induction element (2). The "0" magnetic point mid-position is the position, of which magnetic induction intensity is 0 millitex, of one side along the arrangement direction from the N pole to the S pole of the bar magnet (1). According to the sensing device, rate of change of magnetic field intensity increases so that the magnetic induction element is enabled to generate a magnetic induction signal timely and accurately, and thus sensing accuracy of the sensing device is enhanced.

Description

Technical field [0001] The present invention relates to the technical field of sensing equipment, in particular to a sensing device and a sensing method. Background technique [0002] The magnet itself is a special substance that can cause linear motion in space. The spatial movement leads to the change of the spatial density, and the change of the spatial density causes the space to produce diffusion movement. In turn, the distribution of magnetic field lines of the external magnetic field of the magnet is generated. Such as figure 1 As shown, figure 1 It is the magnetic field line of the point magnet, but there is no point magnet in real life. The magnetic field lines of the bar magnet 1 are as follows figure 2 Shown. [0003] The sensing principle of the magnetic induction type sensing device is: the relative movement of the magnet and the magnetic induction element makes the magnetic induction element induce the magnetic field lines generated by the magnet and output it as ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01D5/12
Inventor 王国强
Owner 德惠市北方汽车底盘零部件有限公司
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