CN110411618A - A kind of point contact type flexibility dynamometer - Google Patents
A kind of point contact type flexibility dynamometer Download PDFInfo
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- CN110411618A CN110411618A CN201810399639.XA CN201810399639A CN110411618A CN 110411618 A CN110411618 A CN 110411618A CN 201810399639 A CN201810399639 A CN 201810399639A CN 110411618 A CN110411618 A CN 110411618A
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- conductive fiber
- fiber beam
- contact type
- point contact
- upper conductive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/18—Measuring force or stress, in general using properties of piezo-resistive materials, i.e. materials of which the ohmic resistance varies according to changes in magnitude or direction of force applied to the material
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Woven Fabrics (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The present invention relates to a kind of point contact type flexibility dynamometer, jacquard structure, upper conductive fiber beam and lower conductive fiber beam including flexible cloth substrate, weaving on flexible cloth substrate two sides；The both ends of the upper conductive fiber beam are separately fixed on the jacquard structure of flexible cloth substrate two sides；The lower conductive fiber beam weaving is relatively isolated setting with upper conductive fiber beam in the flexible cloth substrate being located at below upper conductive fiber beam.The present invention has the advantages that easy to use, strong antijamming capability, capable of washing, replacement cost is low, high resolution and high sensitivity.
Description
Technical field
The present invention relates to dynameter technical fields, more particularly to a kind of point contact type flexibility dynamometer.
Background technique
The strain gauge of existing dynamometer is based primarily upon the utilization of conductive metal.And in the pressure sensor of dynamometer
In, some sheet metals of leading form two conductive layers, the two conductive layers are by continuous or intermittent non-conductive or partially electronically conductive
Interlayer separate come.The attribute of the sensor of this structure can be resistance variable because two conductive layers can due to pressure and
It contacts with each other, interlayer can not be allowed to avoid, once pressure disappears, two conductive layers are restored to original position again.This kind of sensor
As electric resistance sensor.And in other types of sensor, sensor can be used as the capacitor variable of capacitor, wherein passing through
Insulation or non-conductive layer are inserted between two conductive layers to realize.Due between the electrode or conductive layer of this kind of design away from
From being also variation, so the capacitor between layer also can correspondingly change, this kind of sensor becomes capacitance sensor.
However most of the sensor of existing dynamometer is all based on the utilization of conductive metal, but not about textile fabric
Sensor related art scheme.Sensor based on conductive metal generally can be divided into photo-electric, pressure/capacitance type and pressure resistance type, so
And these sensors can be easy to cause the mistake of measurement because of the factors such as fog caused by the interference of light caused by environment, air humidity
Difference, once and the dynamometer dysfunction based on these sensors, integral replacing spent with high costs.In addition to this,
Traditional strain gauge is mostly fixed value so as to cause stress response threshold values since its structural style is relatively fixed.This kind of biography
Sensor be easy by be located at its near threshold environmental noise (vibration, flow perturbation etc.) interference, causes false signal, and at present compared with
Good solution is to realize that threshold values is adjustable, but rarely have sensor to can be realized the function.
Summary of the invention
Based on this, it is an object of the invention to overcome the deficiencies of the prior art and provide a kind of point contact type flexibility dynamometer,
Have the advantages that easy to use, strong antijamming capability, capable of washing, replacement cost is low, high resolution and high sensitivity.
To achieve the goals above, the technical solution adopted by the present invention are as follows:
A kind of point contact type flexibility dynamometer, the jacquard weave including flexible cloth substrate, weaving on flexible cloth substrate two sides
Structure, upper conductive fiber beam and lower conductive fiber beam；The both ends of the upper conductive fiber beam are separately fixed at flexible cloth substrate
On the jacquard structure of two sides；The lower conductive fiber beam is weaved in the flexible cloth substrate being located at below upper conductive fiber beam,
And setting is relatively isolated with upper conductive fiber beam.
As a result, in point contact type flexibility dynamometer of the present invention, two conductive fiber beams are relatively isolated setting and there are one
Fixed spacing, by the distance of regulation isolation, so that the size of artificial adjustable external carbuncle response threshold, shields sensor
Cover interference brought by some environment or non-detected object, such as the flowing of air, the vibration on ground.Wherein, upper and lower two are utilized
Root conductive fiber beam constructs the resistance based on conducting fiber；In the dynamometer, two when upper conductive fiber beam is by external force
The conducting fiber of conductive fiber beam contacts with each other, and the contact condition of conductive fiber beam is caused to change, so that dynamometry is scored
There is not different degrees of resistance decline, incudes the size for the power that dynamometer is subject to by measuring the change rate of resistance.In addition,
Dynamometer of the invention also uses the electric conductivity of conductive fiber itself, may act as conducting wire woth no need to additional lead, to reduce
The complexity of device.
In order to achieve better technical results, further technical improvements include the upper conductive fiber beam is led under
Electric fibre bundle passes through conducting wire respectively and is electrically connected with external circuit realization.
In order to achieve better technical results, further technical improvements include the length of the lower conductive fiber beam
Less than the length of upper conductive fiber beam.
In order to achieve better technical results, further technical improvements include the upper conductive fiber beam is led under
Electric fibre bundle includes more conducting fibers, and there are multiple gaps between more conducting fibers；Upper conductive fiber beam is by outer
When power and lower conductive fiber beam contact with each other, the quantity in the conducting electric current channel formed between the conducting fiber that contacts with each other with
And the gap between conducting fiber correspondingly changes with the change of external force.
In order to achieve better technical results, further technical improvements include the conducting fiber is carbon, metal
Or conductive polymer material.
In order to achieve better technical results, further technical improvements include the numbers of the more conducting fibers
Amount is more than 15.
In order to achieve better technical results, further technical improvements include the underlying conductive fibre bundle passes through
Weaving knot is fixed in flexible cloth substrate.
In order to achieve better technical results, further technical improvements include the flexible cloth substrate is not lead
Electric material can be fiber crops, mulberry silk, terylene, plain cloth, fine cloth, silk or flannelette.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of point contact type flexibility dynamometer of the invention.
Specific embodiment
To further illustrate that each embodiment, the present invention are provided with attached drawing.These attached drawings are that the invention discloses one of content
Point, mainly to illustrate embodiment, and the associated description of specification can be cooperated to explain the operation principles of embodiment.Cooperation ginseng
These contents are examined, those skilled in the art will be understood that other may obtain embodiment and advantages of the present invention.
Referring to Fig. 1, it is the structural schematic diagram of point contact type flexibility dynamometer of the invention.
Point contact type flexibility dynamometer of the invention comprising flexible cloth substrate 10, weaving are at 10 liang of flexible cloth substrate
Jacquard structure 20, upper conductive fiber beam 30 and lower conductive fiber beam 40 on side；Distinguish at the both ends of the upper conductive fiber beam 30
It is fixed on the jacquard structure 20 of 10 two sides of flexible cloth substrate；The lower weaving of conductive fiber beam 40 is being located at upper conductive fiber
In the flexible cloth substrate 10 of 30 lower section of beam, and setting is relatively isolated with upper conductive fiber beam 30；The upper conductive fiber beam 30
It is contacted with each other when by external force with lower conductive fiber beam 40.Wherein, the upper conductive fiber beam 30 and lower conductive fiber beam 40 divide
Not Tong Guo the realization of conducting wire 60 and external circuit be electrically connected；In addition, in the present embodiment, it is preferable that the length of the lower conductive fiber beam 40
Degree is less than the length of upper conductive fiber beam 30.
Specifically, the upper conductive fiber beam 30 and lower conductive fiber beam 40 include more conducting fibers 50, and more are led
There are multiple gaps between electric fiber filament 50；When upper conductive fiber beam 30 is contacted with each other by external force and lower conductive fiber beam 40,
It gap between the quantity and conducting fiber 50 of the conducting fiber 50 contacted with each other is correspondingly sent out with the change of external force
It is raw to change.Wherein, the conducting fiber 50 is carbon, metal or conductive polymer material, and more conducting fibers 50
Quantity be more than 15.
In the present embodiment, it is preferable that the underlying conductive fibre bundle 40 is fixed on flexible cloth substrate by knot of weaving
On 10；The flexible cloth substrate 10 is electrically non-conductive material, can be fiber crops, mulberry silk, terylene, plain cloth, fine cloth, silk or suede
Cloth.
Illustrate the working principle of point contact type flexibility dynamometer of the invention below:
Firstly, in point contact type flexibility dynamometer of the invention, upper conductive fiber beam 30 and lower conductive fiber beam 40 it is opposite every
From being arranged and there are certain spacing, the size that can change the external carbuncle response lag of dynamometer by changing this spacing.
Secondly, dynamometer of the invention is relatively isolated setting by using upper conductive fiber beam 30 and lower conductive fiber beam 40
Structure be configured as the electric resistance sensor of dynamometer of the invention.Specifically, it is formed by using more conducting fibers 50
Conductive fiber beam, be in contact between lower conductive fiber beam 40 when upper conductive fiber beam 30 is by downward external pressure,
Gap between the quantity and conducting fiber 50 in the conducting electric current channel formed between the conducting fiber 50 contacted with each other
As the change of external force correspondingly changes.At this time the resistance of electric resistance sensor with the increase of external force has it is different degrees of under
Drop, and the size of the change rate of the resistance of electric resistance sensor and suffered external force is mainly reflected in conductive fibre at corresponding relationship
Dimension beam 30 and lower conductive fiber beam 40 be when contacting with each other, the conducting electric current channel formed between conducting fiber 50 between the two
Quantity and conducting fiber 50 between size of the gap with suffered external force at corresponding relationship；After removing external force, above lead
Electric fibre bundle 30 and lower conductive fiber beam 40 are restored to initial state respectively.
Compared with prior art, in point contact type flexibility dynamometer of the present invention, two conductive fiber beams, which are relatively isolated, to be set
It sets and there are certain spacing, by the distance of regulation isolation, thus the artificially size of adjustable external carbuncle response threshold, so that passing
Sensor can shield interference brought by some environment or non-detected object, such as the flowing of air, the vibration on ground.Wherein,
The resistance based on conducting fiber is constructed using upper and lower two conductive fiber beams；In the dynamometer, upper conductive fiber beam by
The conducting fiber of two conductive fiber beams contacts with each other when to external force, causes the contact condition of conductive fiber beam to change, makes
Obtain dynamometer has different degrees of resistance decline respectively, by measuring the change rate of resistance to incude the power that dynamometer is subject to
Size.In addition, dynamometer of the invention also uses the electric conductivity of conductive fiber itself, it may act as conducting wire and draw woth no need to additional
Line, to reduce device as much as possible to the dependence of conventional metals conducting wire, and low in cost, replacement is convenient, has fine
Market popularization value.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
The limitation to invention point contact type flexibility dynamometer range therefore cannot be interpreted as.It should be pointed out that for the general of this field
For logical technical staff, without departing from the inventive concept of the premise, various modifications and improvements can be made, these are belonged to
Protection scope of the present invention.
Claims (8)
1. a kind of point contact type flexibility dynamometer, it is characterised in that: including flexible cloth substrate, weaving in flexible cloth substrate two sides
On jacquard structure, upper conductive fiber beam and lower conductive fiber beam；The both ends of the upper conductive fiber beam are separately fixed at flexibility
On the jacquard structure of cloth substrate two sides；The lower conductive fiber beam weaving is in the flexible cloth being located at below upper conductive fiber beam
In substrate, and setting is relatively isolated with upper conductive fiber beam.
2. point contact type flexibility dynamometer according to claim 1, it is characterised in that: the upper conductive fiber beam and lower conduction
Fibre bundle passes through conducting wire respectively and is electrically connected with external circuit realization.
3. point contact type flexibility dynamometer according to claim 1, it is characterised in that: the length of the lower conductive fiber beam is small
In the length of upper conductive fiber beam.
4. point contact type flexibility dynamometer according to claim 1, it is characterised in that: the upper conductive fiber beam and lower conduction
Fibre bundle includes more conducting fibers, and there are multiple gaps between more conducting fibers；Upper conductive fiber beam is by external force
When being contacted with each other with lower conductive fiber beam, the quantity in the conducting electric current channel formed between the conducting fiber that contacts with each other and
Gap between conducting fiber correspondingly changes with the change of external force.
5. point contact type flexibility dynamometer according to claim 4, it is characterised in that: the conducting fiber is carbon, metal
Or conductive polymer material.
6. point contact type flexibility dynamometer according to claim 4, it is characterised in that: the quantity of the more conducting fibers
More than 15.
7. point contact type flexibility dynamometer according to claim 1, it is characterised in that: the underlying conductive fibre bundle passes through spinning
Knot is knitted to be fixed in flexible cloth substrate.
8. point contact type flexibility dynamometer according to claim 1, it is characterised in that: the flexible cloth substrate is non-conductive
Material can be fiber crops, mulberry silk, terylene, plain cloth, fine cloth, silk or flannelette.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810399639.XA CN110411618B (en) | 2018-04-28 | 2018-04-28 | Point contact type flexible dynamometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810399639.XA CN110411618B (en) | 2018-04-28 | 2018-04-28 | Point contact type flexible dynamometer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110411618A true CN110411618A (en) | 2019-11-05 |
| CN110411618B CN110411618B (en) | 2021-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810399639.XA Active CN110411618B (en) | 2018-04-28 | 2018-04-28 | Point contact type flexible dynamometer |
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| Country | Link |
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| CN (1) | CN110411618B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2727221A1 (en) * | 1977-06-16 | 1978-12-21 | Kuhn Goetz Gerd Prof Dr Med | Physiological pressure transducer using elastomeric resistance - has element sandwiched between base and load plates forming electrical contacts |
| US20030119391A1 (en) * | 2000-04-03 | 2003-06-26 | Swallow Staley Shigezo | Conductive pressure sensitive textile |
| CN101393058A (en) * | 2008-11-03 | 2009-03-25 | 东华大学 | Flexible resistance type pressure sensor with machine-weaved structure and use thereof |
| JP2010014694A (en) * | 2008-06-04 | 2010-01-21 | Nissan Motor Co Ltd | Load detection fiber |
| CN102003612A (en) * | 2009-08-31 | 2011-04-06 | 罗伯特.博世有限公司 | Sensor system for monitoring surroundings on a mechanical component and a method for activating and evaluating the sensor system |
| JP2013164365A (en) * | 2012-02-13 | 2013-08-22 | Nissan Motor Co Ltd | Cloth-like pressure sensor |
| WO2014204323A1 (en) * | 2013-06-17 | 2014-12-24 | Stretchsense Limited | Stretchable fabric sensors |
| US20160054185A1 (en) * | 2013-04-03 | 2016-02-25 | Peyman Servati | Core-shell nanofiber textiles for strain sensing, and methods of their manufacture |
| WO2017039401A1 (en) * | 2015-09-03 | 2017-03-09 | 엘지이노텍 주식회사 | Pressure sensor |
| CN107144379A (en) * | 2017-04-28 | 2017-09-08 | 东华大学 | A kind of resistive pressure is distributed fabric sensor |
| CN107142554A (en) * | 2017-06-28 | 2017-09-08 | 棉联（北京）网络科技有限公司 | A kind of pressure drag fiber, yarn and piezoresistance sensor and fabric |
-
2018
- 2018-04-28 CN CN201810399639.XA patent/CN110411618B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2727221A1 (en) * | 1977-06-16 | 1978-12-21 | Kuhn Goetz Gerd Prof Dr Med | Physiological pressure transducer using elastomeric resistance - has element sandwiched between base and load plates forming electrical contacts |
| US20030119391A1 (en) * | 2000-04-03 | 2003-06-26 | Swallow Staley Shigezo | Conductive pressure sensitive textile |
| JP2010014694A (en) * | 2008-06-04 | 2010-01-21 | Nissan Motor Co Ltd | Load detection fiber |
| CN101393058A (en) * | 2008-11-03 | 2009-03-25 | 东华大学 | Flexible resistance type pressure sensor with machine-weaved structure and use thereof |
| CN102003612A (en) * | 2009-08-31 | 2011-04-06 | 罗伯特.博世有限公司 | Sensor system for monitoring surroundings on a mechanical component and a method for activating and evaluating the sensor system |
| JP2013164365A (en) * | 2012-02-13 | 2013-08-22 | Nissan Motor Co Ltd | Cloth-like pressure sensor |
| US20160054185A1 (en) * | 2013-04-03 | 2016-02-25 | Peyman Servati | Core-shell nanofiber textiles for strain sensing, and methods of their manufacture |
| WO2014204323A1 (en) * | 2013-06-17 | 2014-12-24 | Stretchsense Limited | Stretchable fabric sensors |
| WO2017039401A1 (en) * | 2015-09-03 | 2017-03-09 | 엘지이노텍 주식회사 | Pressure sensor |
| CN107144379A (en) * | 2017-04-28 | 2017-09-08 | 东华大学 | A kind of resistive pressure is distributed fabric sensor |
| CN107142554A (en) * | 2017-06-28 | 2017-09-08 | 棉联（北京）网络科技有限公司 | A kind of pressure drag fiber, yarn and piezoresistance sensor and fabric |
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| Publication number | Publication date |
|---|---|
| CN110411618B (en) | 2021-05-11 |
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