A flexible non-substrate circular cross-section magnetic scale and its application and application method
A technology of magnetic grid ruler and circular section, applied in the field of magnetic grid, can solve the problem of inability to measure the depth of curved pipelines, and achieve the effect of simple structure and high practicability
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Embodiment 1
[0033] Such as figure 1 , 2 As shown, a flexible magnetic scale with a circular cross-section without a substrate provided by the present invention includes a magnetic scale body 1 after magnetic recording along a 360° direction, and the magnetic scale body 1 includes a flexible magnetic part 2 and a protective cover 3 , the cross-section of the flexible magnetic part 2 is circular, and the outer side of the flexible magnetic part 2 is covered with the protective cover 3; the present invention has no substrate, can ensure flexibility, and can record magnetic fields along a 360° direction; the existing magnetic Generally, the substrate of the gate is made of metal material. Even a flexible substrate (usually a stainless steel strip) cannot be flexible in 360-degree directions, so that 360-degree magnetic recording cannot be performed, and the signal may be lost when it is bent. When the present invention records magnetically, it is necessary to rotate the magnetic scale at one...
Embodiment 2
[0042] Such as image 3As shown, a flexible magnetic scale with a circular cross-section without a substrate provided by the present invention includes a magnetic scale body 1 after magnetic recording along a 360° direction, and the magnetic scale body 1 includes a flexible magnetic part 2 and a protective cover 3 , the cross-section of the flexible magnetic part 2 is circular, and the outer side of the flexible magnetic part 2 is covered with the protective cover 3; the present invention has no substrate, can ensure flexibility, and can record magnetic fields along a 360° direction; the existing magnetic Generally, the base of the gate is made of metal material. Even a flexible base (usually a stainless steel strip) cannot be flexible in 360-degree directions, so that 360-degree magnetic recording cannot be performed, and the signal may be lost when it is bent.
[0043] The magnetic part 2 of the present invention is 360 degrees, because the magnetic part is a circular cross ...
Embodiment 3
[0051] Such as Figure 4 As shown, a flexible magnetic scale with a circular cross-section without a substrate provided by the present invention includes a magnetic scale body 1 after magnetic recording along a 360° direction, and the magnetic scale body 1 includes a flexible magnetic part 2 and a protective cover 3 , the cross-section of the flexible magnetic part 2 is circular, and the outer side of the flexible magnetic part 2 is covered with the protective cover 3; the present invention has no substrate, can ensure flexibility, and can record magnetic fields along a 360° direction; the existing magnetic Generally, the base of the gate is made of metal material. Even a flexible base (usually a stainless steel strip) cannot be flexible in 360-degree directions, so that 360-degree magnetic recording cannot be performed, and the signal may be lost when it is bent.
[0052] The magnetic part 2 of the present invention is 360 degrees, because the magnetic part is a circular cros...
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