CN103063861A - Design method of soft sensing materials for soft material speed sensor - Google Patents
Design method of soft sensing materials for soft material speed sensor Download PDFInfo
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- CN103063861A CN103063861A CN 201110333322 CN201110333322A CN103063861A CN 103063861 A CN103063861 A CN 103063861A CN 201110333322 CN201110333322 CN 201110333322 CN 201110333322 A CN201110333322 A CN 201110333322A CN 103063861 A CN103063861 A CN 103063861A
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Abstract
The invention relates to a design method of soft sensing materials for a soft material speed sensor. According to the design method of the soft sensing materials for the soft material speed sensor, soft sensing materials mixed with tiny structure bodies are deformed when being affected by the outside, the electrical characteristics are changed, the relevant electric signal variation caused by the variation of accelerated speed of deformation of the soft materials caused by being affected by outside is detected out to be used as pressure signals which cause the deformation of the soft materials. According to the design method of the soft materials, the soft materials mixed with the tiny structure bodies are used as the sensing materials of the speed sensor. Conductive spiral-shaped structures are mixed in the soft rubber materials, or the soft rubber materials with structure bodies of an elastic opening-closing structure are manufactured to be the soft sensing materials. When the mixing materials are in displacement changes in the range of a tiny space inside the mixing materials, the difference of the displacement moving speed in different space area ranges inside the range of the tiny space causes the electric characteristics of the soft materials to change. The variation of the detected electric signals by a detecting method is used as the application method of the materials of speed signals.
Description
Technical field
The present invention relates to utilize the soft inductive material of having sneaked into fine structure body under it is subjected to situation that ectocine deforms, and electrical specification changes, and the caused relevant electric signal of acceleration change of the distortion that flexible material is occured under ectocine changes the method for designing that detects the employed soft inductive material of speed pickup that is used as the rate signal that causes the flexible material distortion.
Background technology
Existing speed pickup has the speed pickup that detects the magnetic pulse aspect, and optics and electrostatic pulse detect the speed pickup of mode, also has by gear train to rotate whirligig and record the speed pickup of rotating speed.
Above sensor, its material or mechanism as the induction rate signal all is the material of hard.Also not the soft macromolecular material as rubber as the speed pickup of rate signal inductive material.
Summary of the invention
Aforesaid traditional speed pickup all is inductive material or the mechanism that uses hard.The present invention has invented the inductive material that can be used as soft speed device, and a kind of novel speed pickup and speed detection method are provided simultaneously.And this soft feeling is answered material speed pickup simple structure, and sensor production cost and according to using widely is conducive to underspeed.
Purpose of the present invention has provided the soft feeling that is used for novel soft speed pickup and has answered the design of material method.
First summary of the invention of present patent application is to have invented to use and sneaked into the flexible material of fine structure body as the method for designing of this flexible material of speed pickup inductive material.Provided the gentle helix shape of in the rubber financial resources of softness, having sneaked into electric conductivity, or the soft rubber material of the tectosome of flexible opening-closing tectonics is made soft inductive material.This composite material is subjected to displacement when changing in section's short space scope within it, and the electrical specification of this flexible material that the difference of the displacement translational speed in the different spaces regional extent in its short space scope causes changes.The application process of the detected change in electric of this detection method as this material of rate signal will be used.
In addition, second summary of the invention of the present patent application is that this softness velocity response material composition mainly consists of the following components: a, and soft polymer rubber material is such as silica gel; B sneak into the electric conductivity gentle helix shape in the softness, or the soft rubber material of the tectosome of flexible opening-closing tectonics is made soft inductive material.
The explanation of effect about invention
According to the invention of the present patent application, can be with sneaking into of softness the material of microscopic structure come material as the induction acceleration signal of speed pickup, make speed sensor.This speed sensor simple structure will replace the existing speed pickup of part, be conducive to simultaneously form the application of new speed pickup.
The explanation of preferred plan during the invention process
One, electromechanical properties variation characteristic and the utilization thereof of flexible material its inner fine structure body when being subject to the variation of ectocine generation internal stress of fine structure body have been sneaked into: the flexible material of sneaking into small electricity conductive construction, such as the fine structure body with conductive characteristic in the elastomeric material, owing to be small mechanical realization, when the inside of flexible material deforms, act on unbalanced impact of STRESS VARIATION that the milli machine structure is subjected to flexible material on every side, microdeformation will occur, and its conductive characteristic is changed.The variation of the conductive characteristic of the micromachine structure in flexible material, on macroscopic view, the electrical specification that has caused sneaking into the flexible material of milli machine structure changes.By the detection of electrons loop, the electrical specification variation that causes with its internal stress variation of having sneaked into the flexible material of fine structure body is detected, and change the separating treatment that causes by external speed during the caused internal stress of dimensional deformation changed, as detecting speed output.
Fig. 1 is the illustraton of model of sneaking into the milli machine structure in the flexible material in the present patent application.
Fig. 2 is the illustraton of model of sneaking into the milli machine structure in the flexible material in the present patent application
Fig. 3 is the electrical model figure that has sneaked into the flexible material with conductive characteristic.On electrical specification, sneaked into the flexible material of the milli machine structure with conductive characteristic and can regard by resistance (R) electric capacity (C), the network that inductance (L) forms as.
Fig. 5 is the electrical model figure that has sneaked into the flexible material with conductive characteristic.On electrical specification, sneaked into the flexible material of the milli machine structure with conductive characteristic and can regard by resistance (R) electric capacity (C), the network that inductance (L) forms as.
Fig. 4 is the quality of the simplification of electricity conductive construction body when being subjected to displacement variation at peripheral flexible material in the flexible material, spring, damping mechanical model.
Its electromechanical properties relational expression can simply be expressed from the next:
Z: the impedance variation value of soft inductive material
V: the deformation velocity of flexible material
M, c, k: fine structure body is simplified the quality of mechanical model, damping, elasticity coefficient
K
m, K
c, K
k: coefficient
The variation of the micromachine structure with electric conductivity of sneaking in the flexible material will cause the variation of electrical specification of the integral body of whole flexible material of sneaking into small electricity conductive construction.That is, the variation of the impedance of flexible material.
Two, utilize the present invention to make the application examples that acceleration transducer is used the acceleration signal inductive material:
Above-mentioned acceleration transducer can use silica gel as flexible material with the simple composition of soft inductive material, and the tectosome that has simultaneously the small folding distortion of having of electric conductivity can use gentle helix structure carbon materials.The internal structure synoptic diagram of this softness inductive material is represented by Fig. 6.
Owing to be subjected to ectocine, when the shape of soft inductive material changes, translational speed unbalanced in the short space scope will occur in the inside of flexible material, the unbalanced shape of its inner small mechanism that will cause of the translational speed of the flexible material in this short space scope changes, and then so that the electrical specification between two electrodes change.Speed detects the loop variation of the electrical specification between two electrodes is detected, and will carry out filtering and corresponding compensation to it, exports as rate signal.
[lime light in the design]
Physical characteristics at the soft inductive material of design is to make its soft and low resistance coefficient as far as possible
[application examples 1]
All formation explanations:
Fig. 5 be the soft inductive material of the application of the first application examples of the present invention speed pickup sketch map.
Use its inner primary structure of the soft inductive material of application of the present invention by, carbon element spiral structure body 10, soft electrode 20, silica gel 30.
(1) carbon element spiral structure body 10:
Carbon element spiral structure body 10 is to sneak in the silica gel having the gentle helix shape carbon element tectosome of electric conductivity.This gentle helix shape carbon element tectosome can be upheld and this compression deformation.It can be micron order and nano level fine structure body that this gentle helix shape carbon element tectosome gets big or small.
(3) soft electrode 20:
Electrode 20 is to the parts that are clipped in soft inductive material loading electric signal therebetween.Can be consisted of by the conducting rubber of softness.
(4) silica gel 30:
Silica gel 30 is the fertile materials of answering elastomeric material as soft feeling.
[symbol description]
10: carbon element spiral structure body 10
20: soft electrode
30: silica gel.
Claims (2)
1. invented to use and sneaked into the flexible material of fine structure body as the method for designing of this flexible material of speed pickup inductive material.Provided the gentle helix shape of in the rubber financial resources of softness, having sneaked into electric conductivity, or the soft rubber material of the tectosome of flexible opening-closing tectonics is made soft inductive material.This composite material is subjected to displacement when changing in section's short space scope within it, and the electrical specification of this flexible material that the difference of the displacement translational speed in the different spaces regional extent in its short space scope causes changes.The application process of the detected change in electric of this detection method as this material of rate signal will be used.
2. should mainly consist of the following components by softness velocity response material composition: a, soft polymer rubber material is such as silica gel; B sneak into the electric conductivity gentle helix shape in the softness, or the soft rubber material of the tectosome of flexible opening-closing tectonics is made soft inductive material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110333322 CN103063861A (en) | 2011-10-19 | 2011-10-19 | Design method of soft sensing materials for soft material speed sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110333322 CN103063861A (en) | 2011-10-19 | 2011-10-19 | Design method of soft sensing materials for soft material speed sensor |
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| Publication Number | Publication Date |
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| CN103063861A true CN103063861A (en) | 2013-04-24 |
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| CN 201110333322 Pending CN103063861A (en) | 2011-10-19 | 2011-10-19 | Design method of soft sensing materials for soft material speed sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107432083A (en) * | 2015-03-18 | 2017-12-01 | 拓自达电线株式会社 | Scalable cable and scalable circuit board |
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2011
- 2011-10-19 CN CN 201110333322 patent/CN103063861A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107432083A (en) * | 2015-03-18 | 2017-12-01 | 拓自达电线株式会社 | Scalable cable and scalable circuit board |
| CN107432083B (en) * | 2015-03-18 | 2020-02-07 | 拓自达电线株式会社 | Retractable cable and retractable circuit board |
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Application publication date: 20130424 |