CN105865536A - Elastic sensor stretchable for measuring deformation and stress - Google Patents
Elastic sensor stretchable for measuring deformation and stress Download PDFInfo
- Publication number
- CN105865536A CN105865536A CN201610487830.0A CN201610487830A CN105865536A CN 105865536 A CN105865536 A CN 105865536A CN 201610487830 A CN201610487830 A CN 201610487830A CN 105865536 A CN105865536 A CN 105865536A
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- Prior art keywords
- elastic
- stress
- data acquisition
- deformation
- stretchable
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- 239000000084 colloidal system Substances 0.000 claims abstract description 4
- 238000005259 measurement Methods 0.000 claims description 42
- 230000004888 barrier function Effects 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 230000005489 elastic deformation Effects 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 230000036760 body temperature Effects 0.000 abstract description 4
- 238000013480 data collection Methods 0.000 abstract 5
- 230000035882 stress Effects 0.000 description 23
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006355 external stress Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004643 material aging Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
- G01B7/22—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge using change in capacitance
-
- 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
- G01L1/14—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators
- G01L1/142—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators using capacitors
- G01L1/146—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators using capacitors for measuring force distributions, e.g. using force arrays
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses an elastic sensor stretchable for measuring deformation and stress. The elastic sensor comprises a data collection module and an elastic sensitive element, the data collection module comprises multiple data collection lines, a single chip microcomputer, a power supply module and a Bluetooth intelligent chip, the elastic sensitive element is connected with the single chip microcomputer through the data collection lines, and the single chip microcomputer is externally connected with a Bluetooth data receiving device of an intelligent terminal through the Bluetooth intelligent chip; the elastic sensitive element comprises a first elastic electroconductive layer, a middle elastic insulating layer and a second elastic electroconductive layer, and the first elastic electroconductive layer and the second elastic electroconductive layer are bonded on two faces of the middle elastic insulating layer by bonding colloid respectively to form a strip-shaped flat plate capacitance structure which is connected with the data collection module. The elastic sensor is nonsensitive to interference caused by environment temperature and body temperature, high in measuring accuracy and suitable for measuring flexible deformation and stress.
Description
Technical field
The present invention relates to field of measuring technique, particularly relate to the elasticity sensor of a kind of stretchable measurement deformation and stress.
Background technology
Along with people for the demand of wearable smart machine and are applied to the demands of special dimensions such as medical treatment, similar human body is so had complex appearance and the application scenarios requiring comfort level, it is badly in need of one can next to the skin use, human body parameters index especially limb action and the sensor of physical dimensions can be measured.As user commonly used product next to the skin, require that sensor disturbs insensitive for body temperature and room temperature difference, commonly used will not because of material aging produce bigger error, sensor construction contact human body without sense of discomfort and have enough precision can complete measuring task.
And the most also there is no this problem of solution that scheme can be highly desirable.
Summary of the invention
The purpose of the present invention: the elasticity sensor of a kind of stretchable measurement deformation and stress is provided, can apply to the scene needing to accurately measure dough deformation and stress.
To achieve these goals, the technical scheme is that
A kind of stretchable measurement deformation and the elasticity sensor of stress, including data acquisition module and elastic sensing element, described data acquisition module includes multi-channel data acquisition line, single-chip microcomputer, supply module and blue-tooth intelligence chip, described elastic sensing element is connected with described single-chip microcomputer by described multi-channel data acquisition line, described single-chip microcomputer, by the Bluetooth data reception device of the described external intelligent terminal of blue-tooth intelligence chip, constitutes elasticity sensor body；Described elastic sensing element includes that the first elastic conducting layer, middle spring insulating barrier and the second elastic conducting layer are constituted, the first described elastic conducting layer and the second elastic conducting layer are bonded on two faces of described middle spring insulating barrier by bonding colloid respectively, constituting the capacity plate antenna structure of banding, described capacity plate antenna structure is connected with described data acquisition module.
Above-mentioned stretchable measurement deformation and the elasticity sensor of stress, wherein, make for elastic conduction material, and the first described elastic conducting layer and the second elastic conducting layer constitute the bipolar plates of electric capacity.
Above-mentioned stretchable measurement deformation and the elasticity sensor of stress, wherein, the bipolar plates of described electric capacity is symmetrical.
Above-mentioned stretchable measurement deformation and the elasticity sensor of stress, wherein, the bipolar plates of described electric capacity is asymmetric.
Above-mentioned stretchable measurement deformation and the elasticity sensor of stress, wherein, described middle spring insulating barrier is nonconducting elastic fluid such as rubber or silica gel.
Above-mentioned stretchable measurement deformation and the elasticity sensor of stress, wherein, described data acquisition module is powered by internal battery or external power supply.
The elasticity sensor of above-mentioned stretchable measurement deformation and stress, wherein, described elastic sensing element is being stretched or elastic deformation is occurring when stress, and the change of capacitance occurs, and collection and calculating by data are converted to distortion measurement.
Above-mentioned stretchable measurement deformation and the elasticity sensor of stress, wherein, described data acquisition module is connected with described multiple described elastic sensing elements by described multi-channel data acquisition line respectively, constitutes Distributed Measurement System.
Above-mentioned stretchable measurement deformation and the elasticity sensor of stress, wherein, described data acquisition module also includes data processing module and data acquisition transport module, multiple described elastic sensing elements are sequentially connected in series into loop by multiple described data acquisition transport modules respectively, one of them described data acquisition transport module is connected with described data processing module, constitutes Distributed Measurement System.
Above-mentioned stretchable measurement deformation and the elasticity sensor of stress, wherein, described multiple data acquisition transport modules and described multiple elastic sensing elements interval are arranged.
The present invention is insensitive to the interference of ambient temperature and body temperature, and the precision of measurement is high, it is adaptable to dough deformation and the measurement of stress.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of the present invention stretchable measurement deformation and the elasticity sensor of stress.
Fig. 2 is the connection figure of the present invention stretchable measurement deformation and the embodiment 1 of the elasticity sensor of stress.
Fig. 3 is the connection figure of the present invention stretchable measurement deformation and the embodiment 2 of the elasticity sensor of stress.
Detailed description of the invention
Embodiments of the invention are further illustrated below in conjunction with accompanying drawing.
Refer to shown in accompanying drawing 1, a kind of stretchable measurement deformation and the elasticity sensor of stress, including data acquisition module 1 and elastic sensing element 2, described data acquisition module 1 includes multi-channel data acquisition line 12, single-chip microcomputer 13, supply module and blue-tooth intelligence chip 14, described elastic sensing element 2 is connected with described single-chip microcomputer 13 by described multi-channel data acquisition line 12, the described single-chip microcomputer 13 Bluetooth data reception device 3 by the described external intelligent terminal of blue-tooth intelligence chip 14, constitutes elasticity sensor body；Described elastic sensing element 2 includes that the first elastic conducting layer 21, middle spring insulating barrier 22 and the second elastic conducting layer 23 are constituted, the first described elastic conducting layer 21 and the second elastic conducting layer 23 are bonded on two faces of described middle spring insulating barrier 22 by bonding colloid respectively, constituting the capacity plate antenna structure of banding, described capacity plate antenna structure is connected with described data acquisition module 1.
The first described elastic conducting layer 21 and the second elastic conducting layer 23 are made for elastic conduction material, and the first described elastic conducting layer 21 and the second elastic conducting layer 23 constitute the bipolar plates of electric capacity.
The bipolar plates of described electric capacity can be symmetrical.Preferably, the bipolar plates of electric capacity can also be asymmetric or other equivalent structures.
Described middle spring insulating barrier 22 is nonconducting elastic fluid such as rubber or silica gel.
Described data acquisition module 1 is powered by the way of internal battery or external power supply.
The elastic sensing element 2 of the elasticity sensor of stretchable measurement deformation and stress is being stretched or elastic deformation is occurring when stress, the change of capacitance occurs, can be converted to distortion measurement by the collection of data and calculating.
Embodiment 1:
Referring to shown in accompanying drawing 2, described data acquisition module 1 is connected with described multiple described elastic sensing elements 2 by described multi-channel data acquisition line 12 respectively, constitutes Distributed Measurement System.
Embodiment 2:
Refer to shown in accompanying drawing 3, described data acquisition module 1 also includes data processing module 15 and data acquisition transport module 16, multiple described elastic sensing elements 2 are sequentially connected in series into loop by multiple described data acquisition transport modules 16 respectively, one of them described data acquisition transport module 16 is connected with described data processing module 15, constitutes Distributed Measurement System.
Described multiple data acquisition transport modules 16 and described multiple elastic sensing elements 2 interval are arranged.
Blue-tooth intelligence chip 14 can use DA14580 low-power consumption blue-tooth intelligence chip, intelligent terminal arrange in pairs or groups use receiving bluetooth Android/iOS APP constitute software system.
During use, elastic sensing element 2 three-decker constitutes a capacity plate antenna, when entering duty, it is first by power source charges, having had an electric capacity initial value, capacitance C=ε S/d(ε is the dielectric constant of medium between pole plate, and S is polar plate area, d is the distance between two-plate, the distance between the i.e. first elastic conducting layer 21 and the second elastic conducting layer 23).When elastic sensing element 2 is by external stress (stretch or extrude), deformation will be produced, now area S(length and the width of sensing element all can change) and two direct spacing d of pole plate also can change, and then affect the capacitance C of electric capacity that sensing element is constituted.Data acquisition module 1 carries out detecting in real time and transferring data to single-chip microcomputer 13 of Millisecond to capacitance, by the unified record of single-chip microcomputer 13, by data acquisition module 1 to the measurement of capacitance, filtering linearly after deciphering, the deformation situation that elastic sensing element 2 occurs can be measured, transfer data to intelligent terminal's (such as mobile phone etc.) by bluetooth.Subsequent treatment is carried out computing by intelligent terminal and presents result or by intelligent terminal, data be uploaded to high in the clouds and carry out computing and return result.
In sum, the present invention is insensitive to the interference of ambient temperature and body temperature, and the precision of measurement is high, it is adaptable to dough deformation and the measurement of stress.
The foregoing is only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure transformation utilizing description of the invention content to be made; or directly or indirectly use the technical field being attached to other Related products, the most in like manner it is included in the scope of patent protection of the present invention.
Claims (10)
1. a stretchable measurement deformation and the elasticity sensor of stress, it is characterized in that: include data acquisition module and elastic sensing element, described data acquisition module includes multi-channel data acquisition line, single-chip microcomputer, supply module and blue-tooth intelligence chip, described elastic sensing element is connected with described single-chip microcomputer by described multi-channel data acquisition line, described single-chip microcomputer, by the Bluetooth data reception device of the described external intelligent terminal of blue-tooth intelligence chip, constitutes elasticity sensor body；Described elastic sensing element includes that the first elastic conducting layer, middle spring insulating barrier and the second elastic conducting layer are constituted, the first described elastic conducting layer and the second elastic conducting layer are bonded on two faces of described middle spring insulating barrier by bonding colloid respectively, constituting the capacity plate antenna structure of banding, described capacity plate antenna structure is connected with described data acquisition module.
Stretchable measurement deformation the most according to claim 1 and the elasticity sensor of stress, it is characterized in that: the first described elastic conducting layer and the second elastic conducting layer are that elastic conduction material is made, and the first described elastic conducting layer and the second elastic conducting layer constitute the bipolar plates of electric capacity.
Stretchable measurement deformation the most according to claim 2 and the elasticity sensor of stress, it is characterised in that: the bipolar plates of described electric capacity is symmetrical.
Stretchable measurement deformation the most according to claim 2 and the elasticity sensor of stress, it is characterised in that: the bipolar plates of described electric capacity is asymmetric.
Stretchable measurement deformation the most according to claim 1 and the elasticity sensor of stress, it is characterised in that: the described elastic fluid that middle spring insulating barrier is rubber or silica gel.
Stretchable measurement deformation the most according to claim 1 and the elasticity sensor of stress, it is characterised in that: described data acquisition module is powered by internal battery or external power supply.
Stretchable measurement deformation the most according to claim 1 and the elasticity sensor of stress, it is characterized in that: described elastic sensing element is being stretched or elastic deformation occurs when stress, the change of capacitance occurs, and collection and calculating by data are converted to distortion measurement.
Stretchable measurement deformation the most according to claim 1 and the elasticity sensor of stress, it is characterized in that: described data acquisition module is connected with described multiple described elastic sensing elements by described multi-channel data acquisition line respectively, constitutes Distributed Measurement System.
Stretchable measurement deformation the most according to claim 1 and the elasticity sensor of stress, it is characterized in that: described data acquisition module also includes data processing module and data acquisition transport module, multiple described elastic sensing elements are sequentially connected in series into loop by multiple described data acquisition transport modules respectively, one of them described data acquisition transport module is connected with described data processing module, constitutes Distributed Measurement System.
Stretchable measurement deformation the most according to claim 9 and the elasticity sensor of stress, it is characterised in that: described multiple data acquisition transport modules and described multiple elastic sensing elements interval are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610487830.0A CN105865536A (en) | 2016-06-28 | 2016-06-28 | Elastic sensor stretchable for measuring deformation and stress |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610487830.0A CN105865536A (en) | 2016-06-28 | 2016-06-28 | Elastic sensor stretchable for measuring deformation and stress |
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| CN105865536A true CN105865536A (en) | 2016-08-17 |
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| CN201610487830.0A Pending CN105865536A (en) | 2016-06-28 | 2016-06-28 | Elastic sensor stretchable for measuring deformation and stress |
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Cited By (7)
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| CN106376996A (en) * | 2016-11-09 | 2017-02-08 | 上海溢宇服饰有限公司 | Intelligent straitjacket based on flexible sensor |
| CN106539172A (en) * | 2016-11-09 | 2017-03-29 | 东华大学 | A kind of intelligent clothing for measuring body dimension |
| TWI623732B (en) * | 2016-12-29 | 2018-05-11 | 台灣艾華電子工業股份有限公司 | Lamination type stretch sensor for making different layers generates displacement along different directions when stretched |
| CN111951998A (en) * | 2020-09-04 | 2020-11-17 | 宁波韧和科技有限公司 | Stretchable multi-core conductive element, preparation method thereof, stretchable cable and stretchable capacitive sensor |
| CN112179383A (en) * | 2020-08-26 | 2021-01-05 | 西安交通大学 | Flexible sensor, preparation method thereof and method for simultaneously measuring rigidity and dielectric constant |
| CN112504110A (en) * | 2020-11-18 | 2021-03-16 | 南通大学 | High-sensitivity wearable elastic substance deformation amount measuring device |
| CN114063788A (en) * | 2021-11-24 | 2022-02-18 | 宁波高新区阶梯科技有限公司 | Mixed reality operation gloves |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106376996A (en) * | 2016-11-09 | 2017-02-08 | 上海溢宇服饰有限公司 | Intelligent straitjacket based on flexible sensor |
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| CN114063788A (en) * | 2021-11-24 | 2022-02-18 | 宁波高新区阶梯科技有限公司 | Mixed reality operation gloves |
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Effective date of registration: 20170109 Address after: 200240 room I2033, room 41, building 398, Heqing Road, Shanghai, Minhang District, 2 Applicant after: Shanghai win Network Technology Co., Ltd. Address before: Room 1, building No. 399, Lane 200436, Baoshan District, Shanghai, China, room 1101 Applicant before: Qian Baoxiang |
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