Preparation method of capacitive flexible sensor

A flexible sensor and capacitive technology, which is applied in fluid pressure measurement, instruments, and measuring devices using capacitance changes, can solve the problems of cumbersome steps, poor stretchability, and high cost, and achieves a wide range of applications and high preparation efficiency. , the effect of simple process
CN111024272AInactive Publication Date: 2020-04-17BEIJING UNIV OF TECH
10 Cites 10 Cited by

Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
BEIJING UNIV OF TECH
Publication Date
2020-04-17
Estimated Expiration
Not applicable · inactive patent

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention provides a preparation method of a capacitive flexible sensor. Flexible conductive silicone rubber and pure silicone rubber are respectively used as an upper electrode layer, a lower electrode layer and a middle dielectric layer of the sensor. After surface microstructures with different roughness are introduced into the electrode layers and the dielectric layer, the prepared sensorhas different sensitivities and can be used for human body motion signal detection. The pure rubber used as the dielectric layer of the sensor is prepared by mixing liquid component A base rubber anda component B curing agent, the conductive rubber used as the conductive layers of the sensor is prepared by mixing the liquid component A base rubber, the component B curing agent, a conductive filler, a plasticizer and a diluent, and the flexible capacitive sensor with good mechanical signal response is obtained after spraying, curing and assembling. The capacitive flexible sensor has the characteristics of high sensitivity, short response time, small lag, strong stability and the like.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention relates to a preparation method of a capacitive flexible sensor. It belongs to the field of flexible electronic equipment. Background technique

[0002] Flexible sensors have become a research hotspot in recent years because of their huge application prospects in the fields of human health monitoring, wearable electronic devices, human-computer interaction, and electronic skin. Compared with piezoresistive, piezoelectric, and field-effect transistor sensors, capacitive flexible sensors have the characteristics of low energy consumption, fast response, and low hysteresis, and have received extensive attention. The capacitive flexible sensor can convert the external mechanical stimulation signal into the change of capacitance value, and the change of capacitance value is recognized by the system immediately, so as to achieve the purpose of sensing. Conventional parallel-plate capacitive flexible sensors have a triple-sandwich structure, i...

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
Login to View More