CN208031197U - flexible piezoelectric sensing device - Google Patents
flexible piezoelectric sensing device Download PDFInfo
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- CN208031197U CN208031197U CN201720545947.XU CN201720545947U CN208031197U CN 208031197 U CN208031197 U CN 208031197U CN 201720545947 U CN201720545947 U CN 201720545947U CN 208031197 U CN208031197 U CN 208031197U
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- flexible piezoelectric
- layer
- composite layer
- piezoelectric sensors
- shileding
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Abstract
The utility model is related to a kind of flexible piezoelectric sensing devices, composite layer and second, which is pasted, including the first fabric composite layer, the second fabric composite layer, flexible piezoelectric sensors, first pastes composite layer, the one side of flexible piezoelectric sensors pastes composite layer through first and the first fabric composite layer bonds, and the another side of the flexible piezoelectric sensors pastes composite layer through second and the second fabric composite layer bonds；The positive and negative electrode of flexible piezoelectric sensors is both provided with signal lead-out wire.Flexible piezoelectric sensors are encapsulated using fabric composite layer, material soft comfortable, user experience is good, and material stickiness is good, and the stability of monitoring is good, accuracy higher；Fabric composite layer interferes the vital sign parameter signals of human body without absorption, and flexible piezoelectric sensors can precisely be analyzed and determined according to all signals of perception, keep monitoring result more accurate.In addition, having the effect of water proof and dust proof, durable.
Description
Technical field
The utility model belongs to sensor technical field, more particularly to a kind of flexible piezoelectric sensing device.
Background technology
Flexible piezoelectric sensors are a kind of type of dynamic strain sensor, are highly suitable to be applied for human skin surface or implantation people
The vital signs monitor in internal portion, some thin-film components are sensitive to being enough to detect human pulse across housing.
Using the dynamic strain piece characteristic of piezoelectric membrane, can piezoelectric membrane be easily directly anchored to human skin
On.Under normal conditions, it is provided with encapsulating material outside flexible piezoelectric sensors, in the inner by flexible piezoelectric sensors encapsulation.It is existing
Some packaged types include：First flexible piezoelectric sensors are packed into wherein with packaging film；Again encapsulation is taken out with vaccum-pumping equipment
Air between film and flexible piezoelectric sensors；Flexible piezoelectric sensors after vacuumizing and packaging film are bonded into one
Body；Or piezoelectric transducer both sides are provided with upper surface film and lower surface film, seal upper surface film and lower surface film will
Piezoelectric transducer is packaged in inside.
But existing encapsulating structure has absorption and interference to vital sign parameter signals, and can be in outer force effect when use
Displacement is generated, influences the accuracy and stability of monitoring result, user experience is poor.
Utility model content
The purpose of this utility model be to provide it is a kind of to vital sign parameter signals without absorb interfere, monitoring result is precise and stable,
The good flexible piezoelectric sensing device of soft comfortable, user experience.
The technical solution of the utility model is：A kind of flexible piezoelectric sensing device, including the first fabric composite layer,
Two fabric composite layers, flexible piezoelectric sensors, first paste composite layer and second and paste composite layer, the flexible piezoelectric sensors
One side paste composite layer and the first fabric composite layer through described first and bond, the another side of the flexible piezoelectric sensors
Composite layer is pasted through described second to bond with the second fabric composite layer；The positive and negative electrode of the flexible piezoelectric sensors is all provided with
It is equipped with signal lead-out wire.
As preferred：Further include self-shileding layer, the self-shileding layer is set to described first and pastes composite layer and flexible pressure
Between electric transducer, the self-shileding layer is connected to the cathode of the flexible piezoelectric sensors, makes the self-shileding layer to described
The signal that flexible piezoelectric sensors perceive forms the protection of half envelope.
As preferred：Further include self-shileding layer, the self-shileding layer is set to described first and pastes composite layer and flexible pressure
Between electric transducer, the self-shileding layer is connected with ground wire, and the self-shileding layer is made to perceive the flexible piezoelectric sensors
The signal arrived forms the protection of half envelope.
As preferred：Further include self-shileding layer, described first pastes between composite layer and flexible piezoelectric sensors, described the
The self-shileding layer, the self-shileding layer and the flexible pressure are both provided between two stickup composite layers and flexible piezoelectric sensors
The cathode of electric transducer is connected to, and so that the signal that the self-shileding layer perceives the flexible piezoelectric sensors is formed full envelope and is protected
Shield.
As preferred：Further include self-shileding layer, described first pastes between composite layer and flexible piezoelectric sensors, described the
The self-shileding layer is both provided between two stickup composite layers and flexible piezoelectric sensors, the self-shileding layer connects with ground wire
It connects, the signal that the self-shileding layer perceives the flexible piezoelectric sensors is made to form full envelope protection.
As preferred：The stickup composite layer is layers of two-sided or glue layer.
As preferred：The material of the first fabric composite layer and the second fabric composite layer include and be not limited to polyester,
Cloth, PET plastic and the one such or a variety of combination of PVC plastic.
As preferred：The positive and negative electrode joint of the flexible piezoelectric sensors is welded, and to be fixed on first fabric multiple
It closes between layer and the second fabric composite layer, and weld consolidation process.
As preferred：The flexible piezoelectric sensors are piezoelectric film sensor, piezoelectric cable sensor or piezoelectric ceramics
Sensor.
Compared with prior art, the beneficial effects of the utility model：
The utility model flexible piezoelectric sensing device is flexible using the first fabric composite layer and the encapsulation of the second fabric composite layer
Piezoelectric transducer, on the one hand, polyesters material soft comfortable, user experience is good when use, and material stickiness, skid resistance
Well, displacement will not be generated because of outer force effect when monitoring so that the stability of monitoring is good, accuracy higher；On the other hand, polyester
Class material can carry out the vital sign parameter signals of human body without interference, flexible piezoelectric sensors are absorbed according to all signals of perception
It precisely analyzes and determines so that monitoring result is more accurate.In addition, fabric composite layer encapsulates flexible piezoelectric sensors, it is anti-with waterproof
Dirt, durable effect.
The maskable environmental noise signal of self-shileding layer is set so that the signal that flexible piezoelectric sensors perceive is clean, clear
It is clear, accurate, be conducive to obtain accurate monitoring result.The positive and negative electrode weld of flexible piezoelectric sensors is arranged, and is welded
Locate consolidation process, the intensity and fastness of flexible piezoelectric sensors signal lead-out wire can be improved, it is ensured that flexible piezoelectric sensors are not
Meeting short circuit or the other exceptions of generation due to outer force effect and fabric composite layer are mobile.
Description of the drawings
Fig. 1 is the utility model flexible piezoelectric sensing device structure diagram；
Fig. 2 is the decomposition texture schematic diagram of the utility model flexible piezoelectric sensing device first embodiment；
Fig. 3 is the decomposition texture schematic diagram of the utility model flexible piezoelectric sensing device second embodiment；
Fig. 4 is the decomposition texture schematic diagram of the utility model flexible piezoelectric sensing device 3rd embodiment；
Fig. 5 is the decomposition texture schematic diagram of the utility model flexible piezoelectric sensing device fourth embodiment.
Primary clustering symbol description：
First fabric composite layer 10, the second fabric composite layer 20, flexible piezoelectric sensors 30, first pastes composite layer 40,
Second pastes composite layer 50, signal lead-out wire 60, self-shileding layer 70.
Specific implementation mode
The utility model is further described below in conjunction with the accompanying drawings：
Fig. 1, Fig. 2 shows one embodiment of the utility model.
It please refers to Fig.1, shown in Fig. 2, the flexible piezoelectric sensing device, including the first fabric composite layer 10, the second fabric are multiple
Layer 20, the stickup stickup composite layer 50 of composite layer 40 and second of flexible piezoelectric sensors 30, first are closed, flexible piezoelectric sensors 30
Composite layer 40 being pasted through first on one side and the first fabric composite layer 10 bonding, the another side of flexible piezoelectric sensors 30 is viscous through second
It pastes composite layer 50 and the second fabric composite layer 20 bonds；The positive and negative electrode of flexible piezoelectric sensors 30 is both provided with signal lead-out wire
60。
Preferably, the first fabric composite layer 10 and the second fabric composite layer 20 are polyester material, using polyester material
Layer encapsulation flexible piezoelectric sensors 30, have the effect of water proof and dust proof, durable, and material stickiness, skid resistance it is good, to people
The vital sign parameter signals of body are interfered without absorption；Flexible piezoelectric sensors 30 be piezoelectric film sensor, piezoelectric cable sensor or
Piezoceramic transducer.In other embodiment, the material of the first fabric composite layer 10 and the second fabric composite layer 20 be polyester,
Cloth, PET plastic and the one such or a variety of combination of PVC plastic, and it is not limited to above-mentioned material.
The flexible piezoelectric sensing device encapsulates flexible piezoelectric using the first fabric composite layer 10 and the second fabric composite layer 20
Sensor 30, on the one hand, polyesters material soft comfortable, user experience is good when use, and material stickiness, skid resistance are good,
Displacement will not be generated when monitoring because of outer force effect so that the stability of monitoring is good, accuracy higher；On the other hand, polyesters material
Expect that the vital sign parameter signals to human body can carry out accurate without interference, flexible piezoelectric sensors 30 are absorbed according to all signals of perception
It analyzes and determines so that monitoring result is more accurate.
In the present embodiment, flexible piezoelectric sensing device further includes self-shileding layer 70, and self-shileding layer 70 is set to the first stickup
Between composite layer 40 and flexible piezoelectric sensors 30, self-shileding layer 70 is connected to the cathode of flexible piezoelectric sensors 30, makes to shield certainly
It covers the signal that 70 pairs of flexible piezoelectric sensors 30 of layer perceive and forms the protection of half envelope.70 maskable environmental noise of self-shileding layer is believed
Number so that the signal that flexible piezoelectric sensors 30 perceive is clean, clear, accurate, is conducive to obtain accurate monitoring result.
In the present embodiment, stickup composite layer is layers of two-sided, using adhered by double sided plaster flexible piezoelectric sensors 30 and first
Fabric composite layer 10 and the second fabric composite layer 20, it is easy to operate, and double faced adhesive tape to the conductive layers of flexible piezoelectric sensors 30 without
Corrosive effect improves the service life of flexible piezoelectric sensors 30.In other embodiment, it can be glue to paste composite layer
Layer.
In the present embodiment, the positive and negative electrode joint of flexible piezoelectric sensors 30 is welded to be fixed on the first fabric composite layer
10 and second between fabric composite layer 20, and weld consolidation process is by the positive and negative electrode weld of flexible piezoelectric sensors 30
Setting, and weld consolidation process, can be improved the intensity and fastness of 30 signal lead-out wire 60 of flexible piezoelectric sensors, it is ensured that soft
Property piezoelectric transducer 30 short circuit or other exceptions will not be generated due to outer force effect and fabric composite layer are mobile.
Fig. 3 shows second embodiment of the utility model.
It please refers to shown in Fig. 3, the difference of the embodiment and first embodiment is：Further include self-shileding layer 70, self-shileding layer
70 are set between the first stickup composite layer 40 and flexible piezoelectric sensors 30, and self-shileding layer 70 is connected with ground wire, make to shield certainly
It covers the signal that 70 pairs of flexible piezoelectric sensors 30 of layer perceive and forms the protection of half envelope.
The structure of other parts is identical as previous embodiment, omits herein.
Fig. 4 shows the third embodiment of the utility model.
It please refers to shown in Fig. 4, the difference of the embodiment and first embodiment is：Further include self-shileding layer 70, first pastes
It is both provided between composite layer 40 and flexible piezoelectric sensors 30, between the second stickup composite layer 50 and flexible piezoelectric sensors 30
Self-shileding layer 70, self-shileding layer 70 are connected to the cathode of flexible piezoelectric sensors 30, make 70 pairs of flexible piezoelectric sensing of self-shileding layer
The signal that device 30 perceives forms full envelope protection.
The structure of other parts is identical as previous embodiment, omits herein.
Fig. 5 shows the 4th embodiment of the utility model.
It please refers to shown in Fig. 5, the difference of the embodiment and first embodiment is：Further include self-shileding layer 70, first pastes
It is both provided between composite layer 40 and flexible piezoelectric sensors 30, between the second stickup composite layer 50 and flexible piezoelectric sensors 30
Self-shileding layer 70, self-shileding layer 70 are connected with ground wire, the signal for making 70 pairs of flexible piezoelectric sensors 30 of self-shileding layer perceive
Form full envelope protection.
The structure of other parts is identical as previous embodiment, omits herein.
The above is only the preferred embodiment of the present invention, it is all done according to the utility model claims range it is equal
Deng variation and modification, it should all belong to the covering scope of the utility model claims.
Claims (8)
1. a kind of flexible piezoelectric sensing device, which is characterized in that including the first fabric composite layer, the second fabric composite layer, flexibility
Piezoelectric transducer, first paste composite layer and second and paste composite layer, and the one side of the flexible piezoelectric sensors is through described first
It pastes composite layer to bond with the first fabric composite layer, the another side of the flexible piezoelectric sensors is pasted again through described second
Layer is closed to bond with the second fabric composite layer；The positive and negative electrode of the flexible piezoelectric sensors is both provided with signal lead-out wire.
2. flexible piezoelectric sensing device according to claim 1, which is characterized in that further include self-shileding layer, it is described from screen
It covers layer to be set between the first stickup composite layer and flexible piezoelectric sensors, the self-shileding layer is passed with the flexible piezoelectric
The cathode of sensor is connected to, and the self-shileding layer is made to form the protection of half envelope to the signal that the flexible piezoelectric sensors perceive.
3. flexible piezoelectric sensing device according to claim 1, which is characterized in that further include self-shileding layer, it is described from screen
It covers layer to be set between the first stickup composite layer and flexible piezoelectric sensors, the self-shileding layer is connected with ground wire, is made
The self-shileding layer forms the protection of half envelope to the signal that the flexible piezoelectric sensors perceive.
4. flexible piezoelectric sensing device according to claim 1, which is characterized in that further include self-shileding layer, described first
It pastes between composite layer and flexible piezoelectric sensors, be both provided between the second stickup composite layer and flexible piezoelectric sensors
The self-shileding layer, the self-shileding layer are connected to the cathode of the flexible piezoelectric sensors, make the self-shileding layer to described
The signal that flexible piezoelectric sensors perceive forms full envelope protection.
5. flexible piezoelectric sensing device according to claim 1, which is characterized in that further include self-shileding layer, described first
It pastes between composite layer and flexible piezoelectric sensors, be both provided between the second stickup composite layer and flexible piezoelectric sensors
The self-shileding layer, the self-shileding layer are connected with ground wire, and the self-shileding layer is made to perceive the flexible piezoelectric sensors
To signal form the protection of full envelope.
6. according to the flexible piezoelectric sensing device described in claim 1-5 any one, which is characterized in that described first pastes again
It is layers of two-sided or glue layer to close layer and the second stickup composite layer.
7. flexible piezoelectric sensing device according to claim 6, which is characterized in that the flexible piezoelectric sensors just,
It is welded at anode connector to be fixed between the first fabric composite layer and the second fabric composite layer, and weld has at reinforcing
Reason.
8. flexible piezoelectric sensing device according to claim 7, which is characterized in that the flexible piezoelectric sensors are piezoelectricity
Thin film sensor, piezoelectric cable sensor or piezoceramic transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720545947.XU CN208031197U (en) | 2017-05-16 | 2017-05-16 | flexible piezoelectric sensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720545947.XU CN208031197U (en) | 2017-05-16 | 2017-05-16 | flexible piezoelectric sensing device |
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| Publication Number | Publication Date |
|---|---|
| CN208031197U true CN208031197U (en) | 2018-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720545947.XU Active CN208031197U (en) | 2017-05-16 | 2017-05-16 | flexible piezoelectric sensing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109907729A (en) * | 2018-10-12 | 2019-06-21 | 中科传感技术(青岛)研究院 | The detection method of vital signs when a kind of sleep |
-
2017
- 2017-05-16 CN CN201720545947.XU patent/CN208031197U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109907729A (en) * | 2018-10-12 | 2019-06-21 | 中科传感技术(青岛)研究院 | The detection method of vital signs when a kind of sleep |
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