CN104739417A - Method and ion chip for measuring somatosensory information and manufacturing method of ion chip - Google Patents
Method and ion chip for measuring somatosensory information and manufacturing method of ion chip Download PDFInfo
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- CN104739417A CN104739417A CN201510113005.XA CN201510113005A CN104739417A CN 104739417 A CN104739417 A CN 104739417A CN 201510113005 A CN201510113005 A CN 201510113005A CN 104739417 A CN104739417 A CN 104739417A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
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Abstract
The invention discloses a method and ion chip for measuring somatosensory information and a manufacturing method of the ion chip. The ion chip comprises a substrate layer, IPMC inductors, a signal communicating and energy receiving assembly and a cover film. IPMC materials are adopted as sensing elements, biocompatibility materials such as PDMS and VHB are adopted as a body, and therefore biocompatibility is high. The ion chip is simple in structure, convenient to manufacture, low in cost and capable of monitoring human body motion information in real time and has high practical application value in the fields such as medicine health and ecological health care.
Description
Technical field
The invention belongs to intelligent soft material application, be specifically related to the intelligent chip adopting ionic material design.
Background technology
IPMC is a kind of new function material.As a kind of ionic material of typical electro activation, IPMC can produce large deformation under electrical impulse outside, and after excitation is removed, it can return to original geomery again; In addition, there is deformation in this material, can produce the corresponding signal of telecommunication under certain condition under the power effect in the external world, can also as the sensing material of intelligence.Wait material relative to conventional piezoelectric pottery, ionic gel has the outstanding advantages such as quality is light, cost is low, the life-span is long, bio-compatible, makes it become rapidly a study hotspot in intellectual material field.
Due to IPMC sensor mechanism, and the muscular tissue of material characteristics and organism is out of shape very similar, is material immediate with human muscular's characteristic up to now, is often called artificial-muscle by people; In addition, ionic gel material forms primarily of macromolecule polymer material, and its bio-compatibility is also far superior to the fragile materials such as traditional piezoelectric ceramics.
So far, there is not yet the report of the ion chip of the measurement body sense information utilizing IPMC to be prepared from.
Summary of the invention
The object of the present invention is to provide a kind of method, ion chip and preparation method thereof of measuring body sense information.
For achieving the above object, present invention employs following technical scheme:
The coverlay for sealing IPMC induction apparatus and signal and communication and energy acceptance assembly measured an ion chip for body sense information, comprise basal layer, be arranged at IPMC induction apparatus on basal layer and signal and communication and energy acceptance assembly and be connected with basal layer; Described basal layer is the PDMS sheet material of v-shaped structure.
Described IPMC induction apparatus is that Thin Rectangular is membranaceous; IPMC induction apparatus is separately positioned on the both sides on surface, PDMS sheet material the same side of described v-shaped structure.
Described signal and communication and energy acceptance assembly and IPMC induction apparatus are arranged at the same side of basal layer on the surface.
Described signal and communication and energy acceptance assembly have two-way function, and can send signal also can Received signal strength.
Described signal and communication and energy acceptance assembly comprise NFC communicating circuit and the circuit for wireless energy transfer.
Described coverlay adopts polyacrylate film.
Measure a method for body sense information, comprise the following steps:
The ion chip measuring body sense information is fixed on below knee, in body movement, then receives the induced signal corresponding with body kinematics information that described ion chip sends;
The coverlay for sealing IPMC induction apparatus and signal and communication and energy acceptance assembly that described ion chip comprises basal layer, be arranged at IPMC induction apparatus on basal layer and signal and communication and energy acceptance assembly and be connected with basal layer; Described basal layer is the PDMS sheet material of v-shaped structure.
When described ion chip is fixed, the basal layer of described ion chip is attached to skin surface, when body kinematics time, bending or stretching of knee causes IPMC induction apparatus to stretch or compression, ionic liquid two-way flow in stretching and compression process of IPMC induction apparatus inside, causes the generation of electric potential difference, described ion chip output current is changed, produce induced signal, induced signal is transported to external equipment by remote read-write.
Measure a preparation method for the ion chip of body sense information, comprise the following steps:
Prepare basal layer: pour in mould after PDMS host being mixed homogeneously with sclerosing agent, then evacuation heat drying, obtain the PDMS sheet material of v-shaped structure;
Prepare coverlay: be cut into by polyacrylate film corresponding to basal layer shape by laser cutting machine;
Integral installation: by signal and communication and energy acceptance assembly and IPMC induction apparatus fixing on the base layer by viscous silica gel, then by basal layer and coverlay hot pressing as a whole, realize the sealing to signal and communication and energy acceptance assembly and IPMC induction apparatus, namely obtain described ion chip.
The mass ratio of described PDMS host and sclerosing agent is 10:0.5 ~ 1, and dry temperature is 80 ~ 120 DEG C, and the dry time is 1 ~ 1.5 hour.
Beneficial effect of the present invention is embodied in:
The present invention is the ion chip based on IPMC, and this chip utilizes flexible silicon glue material PDMS as supporter, and IPMC, as sensing measurement element, forms ion chip after encapsulation technology process, can Real-Time Monitoring body kinematics information; First passage ionic conduction of the present invention measures body sense signal, and measuring range is wide, and energy consumption is low, long service life; The materials such as PDMS used in the present invention and ionic gel all have good bio-compatibility, can not bring harmful effect to health, and structure of the present invention is simple, manufacturing process is convenient, cost is low, has very strong actual application value in fields such as medical and health ecological healths.
Further, the present invention adopts wireless mode transmission of electric energy, the uncomfortable and heavy burden avoiding wired mode to cause.
Accompanying drawing explanation
Fig. 1 is the structural representation of chip of the present invention;
In figure: 1 is basal layer, 2 is IPMC induction apparatus, and 3 is signal and communication and energy acceptance assembly, and 4 is coverlay.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is elaborated.
See Fig. 1, adopt a body motion information detection ion chip for IPMC material, this chip comprises substrate pad pasting (i.e. basal layer 1), IPMC induction apparatus 2, signal and communication and energy acceptance assembly 3 (comprising flexible circuit, information memory cell, read-write cell, power supply and controller etc.) and coverlay 4.This ion chip is affixed on below human knee, general construction is in " V " shape, each edge lengths is 10cm, along with human motion, stretch, compress ion chip, IPMC occurs to stretch or compression, produce transducing signal, signal transmission is to communication memory circuit, and circuit gathers signal and is sent in exterior terminal equipment, thus obtains detecting motor message.
In this chip, supporter is the substrate pad pasting of v-shaped structure, adopts polydimethylsiloxane (PDMS) to be obtained by the method for heat cure; IPMC induction apparatus is strip, 2 IPMC induction apparatuss are affixed on the both sides both sides of v-shaped structure (i.e. on) of V-arrangement substrate pad pasting, to be connected with memory element by flexible circuit and to realize signals collecting transmission, information is communicated with external device by read-write cell.All electronic units are by radio source system power supply.
During use, be fixed on below human knee by this chip, substrate pad pasting is attached to the skin surface of health, and the opening of v-shaped structure is relative with knee.When body kinematics time, the bending of knee, stretch and can stretch or compressed IP MC induction apparatus, the ionic liquid two-way flow of IPMC induction apparatus inside, causes the generation of electric potential difference, and ion chip output current changes, by flexible circuit input memory element.By NFC technique, remote read-write is carried out to information, body sense information conveyance is carried out subsequent analysis to external equipment.Adopt wireless energy transfer mode to chip power supply.Which can be powered for electromagnetic coupled or microbeam.
The preparation method of said chip comprises the following steps:
Prepare basal layer: the thickness of basal layer is 1mm, and the PDMS of employing will have lower elastic modelling quantity, could stretch along with motion, and constraint not produced to human body.The PDMS host (dimethyl polysiloxane) that the present invention adopts is 10:1 with the mass ratio of sclerosing agent (tertiarybutylhydroquinone), specific implementation process: host and sclerosing agent are poured in designed mould after mixed at room temperature is even, mould is put into the drying baker of 100 DEG C, utilize vacuum pump by drying baker evacuation, to remove the bubble in mixed liquor, drying time is 1 hour.The elasticity of the PDMS that different mass ratioes, baking temperature, drying time obtain is different with toughness, and the present invention can prepare good toughness, be easy to the PDMS material that stretches, can effective detection bodies sense signal, while do not limit human motion again.
Prepare coverlay: for ensureing that IPMC induction apparatus is not corroded by body fluid such as sweat, coverlay will have good insulation and thermal insulation and the characteristic such as anticorrosive.The present invention adopts the low modulus polyacrylate film produced by 3M company, and model is VHB49473F.Cut out coverlay shape by laser cutting machine, its shape is corresponding with basal layer, measure-alike.
Signal and communication and energy acceptance assembly: comprise the NFC integrated circuit thin-film adopting market specifications.
Prepare IPMC induction apparatus: adopt machine cuts mode, IPMC is cut into rectangular configuration as shown in Figure 1, and adopt a kind of patent " packaging technology of IPMC driver " (patent No.: ZL201110255830.5) described method to carry out encapsulation process to cutting the IPMC material obtained.Basal layer upper and lower surface is smooth, and therefore, the IPMC material binding after adopting viscous silica gel to encapsulate 2 successively, on basal layer, is connected with memory element by copper cash.Not only present invention utilizes the bidirectional reversible function of IPMC, can be used as induction apparatus simultaneously but also can be used for driver, feature difference is the processing mode of the external circuitry of IPMC, and the material of IPMC own and packaging technology indistinction.
Installation method: together with three-decker (one deck is basal layer, one deck is cover layer, also has one deck to be positioned at IPMC induction apparatus in the middle of the two and signal and communication and energy acceptance assembly) hot pressing, form an entirety.Overall structure as shown in Figure 1.
Compare with existing body sense collecting device, the present invention has following advantage: 1. energy consumption is low.Supply voltage required for the present invention is less than 1 volt, and for signal storage and the communication of holding circuit, IPMC induction apparatus has function movable information being changed into electrical information, without the need to extra power supply unit; 2. bio-compatibility is high.Basal layer, the cover layer of ion chip of the present invention are macromolecule polymer material, it is reliable medical material, there is not rejection, the working mechanism of IPMC induction apparatus is ion transport signal, identical with human biological electricity mechanism, therefore overall structure can realize the favorable compatibility with human body.3. quality is light.The total quality of ion chip of the present invention is within 10g, and thickness is 3 ~ 4mm, bears little, do not affect daily Working Life, can accomplish the real-time measurement of inductance of 24 hours when human body uses.
Claims (10)
1. measure an ion chip for body sense information, it is characterized in that: the coverlay (4) for sealing IPMC induction apparatus (2) and signal and communication and energy acceptance assembly (3) comprising basal layer (1), be arranged at IPMC induction apparatus (2) on basal layer (1) and signal and communication and energy acceptance assembly (3) and be connected with basal layer (1); Described basal layer is the PDMS sheet material of v-shaped structure.
2. a kind of ion chip measuring body sense information according to claim 1, is characterized in that: described IPMC induction apparatus (2) for Thin Rectangular membranaceous; IPMC induction apparatus (2) is separately positioned on the both sides on surface, PDMS sheet material the same side of described v-shaped structure.
3. a kind of ion chip measuring body sense information according to claim 1, is characterized in that: described signal and communication and energy acceptance assembly (3) are arranged at the same side of basal layer (1) on the surface with IPMC induction apparatus (2).
4. a kind of ion chip measuring body sense information according to claim 1, it is characterized in that: described signal and communication and energy acceptance assembly (3) have two-way function, can send signal also can Received signal strength.
5. a kind of ion chip measuring body sense information according to claim 1, is characterized in that: described signal and communication and energy acceptance assembly (3) comprise NFC communicating circuit and the circuit for wireless energy transfer.
6. a kind of ion chip measuring body sense information according to claim 1, is characterized in that: described coverlay (4) adopts polyacrylate film.
7. measure a method for body sense information, it is characterized in that: comprise the following steps:
The ion chip measuring body sense information is fixed on below knee, in body movement, then receives the induced signal corresponding with body kinematics information that described ion chip sends;
The coverlay (4) for sealing IPMC induction apparatus (2) and signal and communication and energy acceptance assembly (3) that described ion chip comprises basal layer (1), be arranged at IPMC induction apparatus (2) on basal layer (1) and signal and communication and energy acceptance assembly (3) and be connected with basal layer (1); Described basal layer is the PDMS sheet material of v-shaped structure.
8. a kind of method measuring body sense information according to claim 7, it is characterized in that: when described ion chip is fixed, the basal layer (1) of described ion chip is attached to skin surface, when body kinematics time, bending or stretching of knee causes IPMC induction apparatus (2) to stretch or compression, ionic liquid two-way flow in stretching and compression process that IPMC induction apparatus (2) is inner, cause the generation of electric potential difference, described ion chip output current is changed, produce induced signal, induced signal is transported to external equipment by remote read-write.
9. measure a preparation method for the ion chip of body sense information, it is characterized in that: comprise the following steps:
Prepare basal layer: pour in mould after PDMS host being mixed homogeneously with sclerosing agent, then evacuation heat drying, obtain the PDMS sheet material of v-shaped structure;
Prepare coverlay: be cut into by polyacrylate film corresponding to basal layer (1) shape;
Integral installation: signal and communication and energy acceptance assembly (3) and IPMC induction apparatus (2) are fixed on basal layer (1), then by as a whole to basal layer (1) and coverlay (4) hot pressing, realize the sealing to signal and communication and energy acceptance assembly (3) and IPMC induction apparatus (2), namely obtain described ion chip.
10. a kind of preparation method measuring the ion chip of body sense information according to claim 9, is characterized in that: the mass ratio of described PDMS host and sclerosing agent is 10:0.5 ~ 1, and dry temperature is 80 ~ 120 DEG C, and the dry time is 1 ~ 1.5 hour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510113005.XA CN104739417A (en) | 2015-03-13 | 2015-03-13 | Method and ion chip for measuring somatosensory information and manufacturing method of ion chip |
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| CN201510113005.XA CN104739417A (en) | 2015-03-13 | 2015-03-13 | Method and ion chip for measuring somatosensory information and manufacturing method of ion chip |
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| CN104739417A true CN104739417A (en) | 2015-07-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113275050A (en) * | 2021-05-25 | 2021-08-20 | 中央民族大学 | Packaging method and application of microfluidic channel |
Citations (7)
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|---|---|---|---|---|
| US20020039620A1 (en) * | 1996-01-18 | 2002-04-04 | Mohsen Shahinpoor | Ionic polymer sensors and actuators |
| US20050096513A1 (en) * | 1997-11-11 | 2005-05-05 | Irvine Sensors Corporation | Wearable biomonitor with flexible thinned integrated circuit |
| JP2008035682A (en) * | 2006-08-01 | 2008-02-14 | Sony Corp | Actuator and manufacturing method of same |
| CN102306704A (en) * | 2011-09-01 | 2012-01-04 | 西安交通大学 | Packaging technology of IPMC (ionic polymer metal composite) driver |
| CN102670208A (en) * | 2012-05-15 | 2012-09-19 | 北京大学 | Capacitance sensing system for human body motion modal identification |
| CN103119920A (en) * | 2010-09-27 | 2013-05-22 | 诺基亚公司 | Apparatus with elastically transformable body |
| CN103271727A (en) * | 2013-05-28 | 2013-09-04 | 中国科学院合肥物质科学研究院 | Flexible sensing device and method for achieving animal oestrus judgment and physical condition classification |
-
2015
- 2015-03-13 CN CN201510113005.XA patent/CN104739417A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020039620A1 (en) * | 1996-01-18 | 2002-04-04 | Mohsen Shahinpoor | Ionic polymer sensors and actuators |
| US20050096513A1 (en) * | 1997-11-11 | 2005-05-05 | Irvine Sensors Corporation | Wearable biomonitor with flexible thinned integrated circuit |
| JP2008035682A (en) * | 2006-08-01 | 2008-02-14 | Sony Corp | Actuator and manufacturing method of same |
| CN103119920A (en) * | 2010-09-27 | 2013-05-22 | 诺基亚公司 | Apparatus with elastically transformable body |
| CN102306704A (en) * | 2011-09-01 | 2012-01-04 | 西安交通大学 | Packaging technology of IPMC (ionic polymer metal composite) driver |
| CN102670208A (en) * | 2012-05-15 | 2012-09-19 | 北京大学 | Capacitance sensing system for human body motion modal identification |
| CN103271727A (en) * | 2013-05-28 | 2013-09-04 | 中国科学院合肥物质科学研究院 | Flexible sensing device and method for achieving animal oestrus judgment and physical condition classification |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113275050A (en) * | 2021-05-25 | 2021-08-20 | 中央民族大学 | Packaging method and application of microfluidic channel |
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Application publication date: 20150701 |