CN207215315U - A kind of temperature sensor of transparent stretchable - Google Patents
A kind of temperature sensor of transparent stretchable Download PDFInfo
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- CN207215315U CN207215315U CN201720934097.2U CN201720934097U CN207215315U CN 207215315 U CN207215315 U CN 207215315U CN 201720934097 U CN201720934097 U CN 201720934097U CN 207215315 U CN207215315 U CN 207215315U
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Abstract
The utility model provides a kind of temperature sensor of transparent stretchable, and the temperature sensor includes device portions and substrate portions, and the device portions and the substrate portions are made by transparent polymer material；The device portions include source electrode, drain electrode, grid, and temperature responsive layer is electrically connected between the source electrode and the drain electrode, and the grid is located at below the temperature responsive layer, and dielectric layer is set between the grid and the temperature responsive layer；The substrate portions include basalis and coating layer, and the device portions are packaged between the basalis and the coating layer.The technology realizes the relatively low technique effect of reliability height, high sensitivity, production cost.
Description
Technical field
It the utility model is related to a kind of temperature sensor, and in particular to a kind of temperature sensor of transparent stretchable.
Background technology
Stretchable sensing device has big in terms of electronic skin, physical activity monitoring, individual health care and man-machine interface
The application of amount.
On the one hand, traditional stretchable sensor device needs the inductive layer manufactured or whole device being transferred in advance
In the stretchable substrate of stretching.
On the other hand, these devices are not fully transparent, because they use opaque metal electrode.Although
Transparent stretchable temperature sensor can be manufactured with super thin metal, silicon nanometer film and graphene.But these devices are to temperature
The responsiveness of degree is low, and because the deformability including stretchable passage, electrode or interconnection, these devices still only has 5%
To within 30%.
Finally, transparent stretchable sensor being manufactured using the technique of complexity in these methods, manufacturing process is complicated,
Manufacturing cost is high, yields poorly.
In the prior art, more using metal electrode as source electrode and drain electrode, connect so as to result in base material
Touch the shortcomings that close weaker, for example, a kind of flexibility temperature sensor of achievable multimeterings of patent CN105136326A and its
Preparation method, the temperature sensor include flexible base board, lower metal electrode, graphene array layer and n upper metal electrodes；It is flexible
The n through hole in array architecture is provided with substrate, contains n graphene cylinder in graphene array layer；Lower metal electrode is consolidated
Surely the bottom surface of flexible base board is connected to, upper metal electrode is fixedly connected on the top surface of flexible base board, and each upper metal electrode covers
One through hole of lid flexible base board；Graphene cylinder is located in the through hole of flexible base board, the top surface of graphene cylinder and upper metal
The bottom surface connection of electrode, the bottom surface of graphene cylinder is connected with the top surface of lower metal electrode；Graphene cylinder, upper metal electrode and
The through hole of flexible base board corresponds respectively.
Therefore, needing the relatively low flexible and transparent of a kind of reliability height of offer, high sensitivity, production cost badly in the prior art can
The temperature sensor of stretching.
The content of the invention
The present invention uses graphene and conducting polymer composite, is prepared for high sensitivity and elastomeric transparency temperature
Sensor.
First, the utility model provides a kind of temperature sensor of transparent stretchable, and the temperature sensor includes device
Part part and substrate portions, the device portions and the substrate portions are made by transparent polymer material.
Specifically, the device portions include source electrode, drain electrode, grid, it is electrically connected between the source electrode and the drain electrode
There is temperature responsive layer, the grid is located at below the temperature responsive layer, set between the grid and the temperature responsive layer
Dielectric layer.
Specifically, the substrate portions include basalis and coating layer, the device portions be packaged in the basalis and
Between the coating layer.
Specifically, to be realized while ensureing that tensility can be with transparent performance and TEMP performance, the temperature
Response layer is graphene and polyurethane composite bed.The composite bed both can be that graphene is mixed into polyurethane to form composite wood
Graphene layer, can also be embedded into polyurethane layer and form composite by material.
More specifically, the specific preparation method of graphene or source are not defined, common, the graphene is
Reduced graphene peels off graphene.
Specifically, the source electrode, drain electrode, grid are conducting polymer, corresponding conducting polymer can be prior art
In corresponding known materials, such as the polymer such as polythiophene, polypyrrole and polyaniline, or formed to the modified of such polymer
Composition polymer.
As preferable, the source electrode, the drain electrode and the grid are poly-（3,4- methylene dioxy thiophenes）, it is poly-
（Styrene sulfonate）With polyurethane composite bed.The composite bed can be poly-（3,4- methylene dioxy thiophenes）, it is poly-（Styrene
Sulfonate）It is mixed to form with polyurethane, or poly-（3,4- methylene dioxy thiophenes）, it is poly-（Styrene sulfonate）With it is poly-
Imines ester forms laminar film material respectively, hot-forming formation MULTILAYER COMPOSITE layer after multiple-layer stacked.Typically, will be poly-（3,4-
Methylene dioxy thiophene）Film, gather（Styrene sulfonate）Hot pressing forms composite bed point after film and polyurethane film superposition
Source electrode, drain and gate are not provided as.
As preferable, the dielectric layer is polyurethane layer.
Specifically, the basalis and the coating layer are dielectric polymer layer, as preferable, the basalis and
The coating layer is poly-（Dimethyl siloxane）Layer.
Compared with prior art, have the advantages that：
The temperature sensor is using transparent and stretchable material, by by the reduced graphene and elastomer of conduction
Matrix combines so that and the composite bed is used as stretchable layer and temperature sensing layer dual-use function simultaneously, then using all-polymer material
Manufactured electrode and substrate so that whole device can reach transparent, stretchable effect.
The temperature sensor can bear 70% strain, and have high sensitivity, and temperature often changes 1 degree Celsius, then electric
Resistiveization about 1.34%.
The temperature sensor reliability is high, under 30% strain, after 10000 stretching circulations, and response of the device to temperature
Property has almost no change.The temperature sensor is able to detect that as low as 0.2 °C of slight temperature change.
The temperature sensor has high degree of responsiveness to the temperature of human body skin, can easily attach to object or person
To monitor its surface temperature on body.
Brief description of the drawings
Fig. 1 is the structural representation of the temperature sensor of transparent stretchable provided by the utility model.
Fig. 2 is the structural representation of the temperature sensor of transparent stretchable provided by the utility model in a stretched state.
Embodiment
Specific embodiment of the present utility model is carried out in conjunction with accompanying drawing as described below.
Reference picture 1, present embodiment provide a kind of temperature sensor of transparent stretchable, and temperature sensor includes
Device portions and substrate portions, device portions and substrate portions are made by transparent polymer material.Device portions include source electrode
2nd, drain electrode 3, grid 1, temperature responsive layer 4 being electrically connected between source electrode 2 and drain electrode 3, grid 1 is located at the lower section of temperature responsive layer 4,
Dielectric layer 5 is set between grid 1 and temperature responsive layer 4.I.e. source-drain electrode, temperature responsive layer, dielectric layer, grid from top to bottom according to
Secondary contact setting forms complete device architecture.Substrate portions include basalis 6 and coating layer 7, and device portions are packaged in substrate
Between layer 6 and coating layer 7.To be realized while ensureing that tensility can be with transparent performance and TEMP performance, temperature is rung
Layer is answered as graphene and polyurethane composite bed.The composite bed both can be that graphene is mixed into polyurethane to form composite wood
Graphene layer, can also be embedded into polyurethane layer and form composite by material.Graphene is reduced graphene.
As the specifically chosen as follows of polymeric material：Source electrode, drain electrode, grid are poly-（3,4- methylene dioxy thiophenes
Fen）, it is poly-（Styrene sulfonate）With polyurethane composite bed.Dielectric layer is polyurethane layer.Basalis and coating layer are poly-
（Dimethyl siloxane）Layer.
Performance test to device performance is as follows：The temperature sensor can bear 70% strain, and with highly sensitive
Degree, temperature often change 1 degree Celsius, then resistance variations about 1.34%.The temperature sensor reliability is high, under 30% strain,
After 10000 stretching circulations, device has almost no change to the response of temperature.The temperature sensor is able to detect that as low as
0.2 °C of slight temperature change.
Although the utility model content includes specific embodiment, to those skilled in the art it is apparent that not
In the case of the spirit and scope for deviateing present claims and its equivalent, these embodiments can be made on various forms and
Change in details.Embodiment described herein should be considered as only in descriptive sense, being not intended to the purpose of limitation.Every
The description of feature and aspect in one embodiment is deemed applicable to similar features and aspect in other embodiment.Therefore,
The scope of the utility model should not be restricted by the restriction specifically described, but be limited by claim technical scheme, and
All changes in the range of present claims and its equivalent are interpreted to be included within the technical solution of the utility model.
Claims (6)
1. a kind of temperature sensor of transparent stretchable, it is characterised in that the temperature sensor includes device portions and substrate
Part, the device portions and the substrate portions are made by transparent polymer material；The device portions include source electrode, leakage
Pole, grid, are electrically connected with temperature responsive layer between the source electrode and the drain electrode, the grid is located at the temperature responsive layer
Lower section, dielectric layer is set between the grid and the temperature responsive layer；The substrate portions include basalis and coating layer, institute
Device portions are stated to be packaged between the basalis and the coating layer.
2. the temperature sensor of transparent stretchable according to claim 1, it is characterised in that the source electrode, drain electrode, grid
For conducting polymer.
3. the temperature sensor of transparent stretchable according to claim 1 or 2, it is characterised in that the source electrode, the leakage
Pole and the grid are poly-（3,4- methylene dioxy thiophenes）, it is poly-（Styrene sulfonate）With polyurethane composite bed.
4. the temperature sensor of transparent stretchable according to claim 1, it is characterised in that the dielectric layer is polyimides
Ester layer.
5. the temperature sensor of transparent stretchable according to claim 1, it is characterised in that the basalis and described cover
Film layer is dielectric polymer layer.
6. the temperature sensor of transparent stretchable according to claim 1 or 5, it is characterised in that the basalis and institute
It is poly- to state coating layer（Dimethyl siloxane）Layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720934097.2U CN207215315U (en) | 2017-07-30 | 2017-07-30 | A kind of temperature sensor of transparent stretchable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720934097.2U CN207215315U (en) | 2017-07-30 | 2017-07-30 | A kind of temperature sensor of transparent stretchable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207215315U true CN207215315U (en) | 2018-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720934097.2U Expired - Fee Related CN207215315U (en) | 2017-07-30 | 2017-07-30 | A kind of temperature sensor of transparent stretchable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207215315U (en) |
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2017
- 2017-07-30 CN CN201720934097.2U patent/CN207215315U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180410 Termination date: 20200730 |
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| CF01 | Termination of patent right due to non-payment of annual fee |