Fabric-type sensor including fabric base material and a line-shaped sensor element and fabric-type sensor device
[Problem] To Provide a fabric-like sensor in which an output signal can be improved when in use and damage or fracture of a sensor element hardly occurs, and a fabric-like sensor device using it. [Solution] In a fabric-like sensor S having a fabric base material 1 and a line-shaped sensor element 2 , at least one line-shaped cavity portion 11 is provided inside the fabric base material 1 , and at least a part of the cavity portion 11 is composed of a raw fabric at least a part of the cavity portion has no elasticity in a line direction of the cavity portion 11 , and further the line-shaped sensor element 2 is arranged in a state of not being substantially constrained or fixed in at least one of cavity portions in a fabric 1.
1 . A fabric-based sensor comprising:
a fabric base material; and
a line-shaped sensor element, wherein the fabric base material comprises at least one line-shaped cavity portion inside and is composed of a raw fabric at least a part of the cavity portion has no elasticity in a line direction of the cavity portion, and
wherein the line-shaped sensor element is arranged in a state of not being constrained or fixed in the at least one of cavity portions in the fabric base material, and
wherein a non-cavity portion of the fabric base material is made of a single woven structure or a single knitted structure and the cavity portion is formed of a double structure using a ground yarn of the single structure of the non-cavity portion.
2 . The fabric-based sensor according to claim 1 , wherein the fabric base material comprises a plurality of cavity portions, the line-shaped sensor element is arranged in all the cavity portions.
3 . The fabric-based sensor according to claim 1 , wherein at least one of line-shaped sensor elements is a piezoelectric sensor.
4 . The fabric-based sensor according to claim 1 having an elastomer material on at least one face of a front and back faces of a region of the fabric base material in which the cavity portion is formed.
5 . The fabric-based sensor according to claim 4 , wherein the elastomer material is a part of a raw fabric composing the fabric base material.
6 . A fabric-based sensor device comprising: the fabric-based sensor according to claim 1 ; and a signal processing device.
7 . A fabric-based sensor comprising:
a fabric base material;
a line-shaped sensor element,
wherein the fabric base material comprises at least one line-shaped cavity portion inside and is composed of a raw fabric at least a part of the cavity portion has no elasticity in a line direction of the cavity portion, and
wherein the line-shaped sensor element is arranged in a state of not being constrained or fixed in the at least one of cavity portion in the fabric base material, and
wherein a non-cavity portion of the fabric base material is made of a multiple woven structure or a multiple knitted structure and a region that is not partially connected between layers is formed as the cavity portion.