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Capacitive pressure sensor based on warp knitted spacer fabric

A technology of warp-knitted spacer fabrics and pressure sensors, which is applied in warp-knitting, weft-knitting, and instruments. It can solve the problems of abruptness, difficulty in cleaning, and bulkiness, and achieves good portability, good compression resistance, and high sensitivity. Effect

Inactive Publication Date: 2019-11-12
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Early smart textiles embed rigid sensors, circuit boards, CPUs and other components in traditional fabrics, which have the disadvantages of being bulky, obtrusive and difficult to clean

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • Capacitive pressure sensor based on warp knitted spacer fabric
  • Capacitive pressure sensor based on warp knitted spacer fabric
  • Capacitive pressure sensor based on warp knitted spacer fabric

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] The preparation method of the capacitive pressure sensor of warp knitted spacer fabric, concrete steps are as follows:

[0023] (1) Select the RD6N model of the double-needle bed warp knitting machine. In this model, GB1-GB3 bars are used to weave the upper surface of the spacer fabric, GB5-GB6 bars are used to weave the lower surface of the spacer fabric, and GB4 is used to connect the upper and lower surfaces. effect. The machine number is E12, the width of the machine is 130 inches, and it adopts face cam traverse, electronic warp let-off mechanism and electronic pulling mechanism.

[0024] (2) Use 33.33tex144f polyester multifilament to weave the surface layer of the spacer fabric, and adopt 27.77tex polyester monofilament to weave the connecting layer of the spacer fabric. The two surfaces of the spacer fabric adopt mesh structure, and the specific laying process is GB1: 0-0-0-0 / 2-2-2-2 / 1-1-1-1 / 3-3-3-3 / 1 -1-1-1 / 2-2-2-2 / / , fully worn; GB2: (1-0-0-0 / 0-1-1-1)×3 / / , f...

Embodiment 2

[0029] The preparation method of the capacitive pressure sensor of warp knitted spacer fabric, concrete steps are as follows:

[0030] (1) Select the RD6N model of the double-needle bed warp knitting machine. In this model, GB1-GB3 bars are used to weave the upper surface of the spacer fabric, GB5-GB6 bars are used to weave the lower surface of the spacer fabric, and GB4 is used to connect the upper and lower surfaces. effect. The machine number is E12, the width of the machine is 130 inches, and it adopts face cam traverse, electronic warp let-off mechanism and electronic pulling mechanism.

[0031] (2) Use 33.33tex144f polyester multifilament to weave the surface layer of the spacer fabric, and use 35.55tex polyester monofilament to weave the connecting layer of the spacer fabric. In this embodiment, one surface of the spacer fabric adopts a mesh structure, and the other surface adopts a plain weave structure. The specific lapping process is GB1: (1-0-0-0 / 1-2-2-2)×2 / (2-3-...

Embodiment 3

[0036] The preparation method of the capacitive pressure sensor of warp knitted spacer fabric, concrete steps are as follows:

[0037] (1) Select the RD6N model of the double-needle bed warp knitting machine. In this model, GB1-GB3 bars are used to weave the upper surface of the spacer fabric, GB5-GB6 bars are used to weave the lower surface of the spacer fabric, and GB4 is used to connect the upper and lower surfaces. effect. The machine number is E12, the width of the machine is 130 inches, and it adopts face cam traverse, electronic warp let-off mechanism and electronic pulling mechanism.

[0038] (2) Use 33.33tex144f polyester multifilament to weave the surface layer of the spacer fabric, and use 46.66tex polyester monofilament to weave the connecting layer of the spacer fabric. In this embodiment, one surface of the spacer fabric adopts a mesh structure, and the other surface adopts a plain weave structure. The specific lapping process is GB1: 4-5-5-5 / 3-2-2-2 / 4-5- 5-5 / 1...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Abstract

The invention discloses a capacitive pressure sensor based on warp knitted spacer fabric. The capacitive pressure sensor comprises a dielectric layer and electrode plates connected with the dielectriclayer, wherein the dielectric layer is the warp knitted spacer fabric, the electrode plates are conductive fabric, the conductive fabric is arranged on two sides of the warp knitted spacer fabric, and lead pins are connected to the conductive fabric. In combination with advantages of good compression resistance, excellent breathability and wettability and the like of the warp knitted spacer fabric, the flexible sensor capable of being integrated into daily textile is provided, can detect pressure change and has the characteristics of good portability, high sensitivity, environmental protection, comfort and the like.

Description

technical field [0001] The invention relates to a capacitive pressure sensor based on a warp-knitted spacer fabric, belonging to the technical field of textile processing. Background technique [0002] In daily life, textiles are the most frequently used consumer goods. In recent years, with people's increasing demand for sports and fitness, medical care, safety protection, etc., smart textiles with special functions have emerged and developed rapidly. Early smart textiles embedded rigid sensors, circuit boards, CPUs and other components in traditional fabrics, which were bulky, awkward and difficult to clean. The research on flexible sensors based on textile materials and structures solves these problems and improves the flexibility and comfort of smart textiles. Contents of the invention [0003] In order to overcome the deficiencies of the prior art, the present invention provides a capacitive pressure sensor based on warp-knitted spacer fabric. [0004] The present ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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IPC IPC(8): G01L1/14D04B21/14D04B1/16D04B21/16D06N3/00
CPCD04B1/16D04B21/14D04B21/16D06N3/0006D06N2209/041D10B2331/02D10B2331/04D10B2331/10D10B2401/16G01L1/146
Inventor 缪旭红蒋高明韩晓雪万爱兰马丕波
Owner JIANGNAN UNIV