CN204156752U - A kind of piezoelectricity and the electric hybrid generator of friction - Google Patents
A kind of piezoelectricity and the electric hybrid generator of friction Download PDFInfo
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- CN204156752U CN204156752U CN201420644743.8U CN201420644743U CN204156752U CN 204156752 U CN204156752 U CN 204156752U CN 201420644743 U CN201420644743 U CN 201420644743U CN 204156752 U CN204156752 U CN 204156752U
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Abstract
The utility model discloses a kind of piezoelectricity and the electric hybrid generator of friction, comprise the first electrode layer from top to bottom arranged, the first high polymer layer and friction electrode layer; Wherein, be also provided with the piezoelectric layer that piezoelectric is made between the first electrode layer and friction electrode layer, piezoelectric layer makes to form space between the first high polymer layer and friction electrode layer; First electrode layer and friction electrode layer are the output electrode of piezoelectricity and the electric hybrid generator of friction.The utility model is equivalent to the parallel connection that can realize two kinds of generators in individual devices, and the generating efficiency of generator is obviously promoted.
Description
Technical field
The utility model relates to field of nanometer technology, more particularly, relates to a kind of piezoelectricity and the electric hybrid generator of friction.
Background technology
Mutually rub between object and object, will make negative electricity on side's band, the opposing party becomes positively charged, because electricity fricative between object is friction electricity.Friction electricity is one of modal phenomenon of nature, but is left in the basket because being difficult to Collection utilization.The stressed rear surface of piezoelectric produces electric charge, and this electric charge amplifies through charge amplifier, measuring circuit and just becomes the electricity output being proportional to suffered external force after transforming impedance.Friction generator has the output characteristic of high voltage low current, and piezoelectric has relatively low voltage and relative high current output characteristics, and existing simple friction generator exists the low defect of output electric energy, can not meet the demand of specific area.
Utility model content
Goal of the invention of the present utility model is the defect for prior art, and propose a kind of piezoelectricity and the electric hybrid generator of friction, friction generator and piezoelectric combine by the utility model, promote overall output effect.
The utility model provides a kind of piezoelectricity and the electric hybrid generator of friction, comprises the first electrode layer from top to bottom arranged, the first high polymer layer and friction electrode layer; Wherein, be also provided with the piezoelectric layer that piezoelectric is made between the first electrode layer and friction electrode layer, piezoelectric layer makes to form space between the first high polymer layer and friction electrode layer; First electrode layer and friction electrode layer are the output electrode of piezoelectricity and the electric hybrid generator of friction.
When piezoelectricity and the electric hybrid generator of friction are under pressure effect, contact friction between first high polymer layer and friction electrode layer, piezoelectric layer generation deformation simultaneously, makes the output electrode of piezoelectricity and the electric hybrid generator of friction export the friction signal of telecommunication and piezoelectric signal simultaneously.
Further, friction electrode layer is the second electrode lay, and the region at least partially of piezoelectric layer directly contacts with the first electrode layer, the second electrode lay.
Further, friction electrode layer comprises the second high polymer layer and the second electrode lay that from top to bottom arrange, and the region at least partially of piezoelectric layer directly contacts with the first electrode layer, the second electrode lay.
Further, piezoelectric layer be to be arranged between the first electrode layer and the second electrode lay and be positioned at piezoelectricity and the both sides of the electric hybrid generator that rubs, corner or surrounding pad.
Further, the first high polymer layer and at least one face in friction electrode layer opposite face are provided with micro-nano concaveconvex structure.
Further, piezoelectric layer is the structure sheaf with multiple hole, first high polymer layer is made up of multiple first protrusions being formed in the first electrode layer lower surface, the position of multiple first protrusion is corresponding with the position in multiple hole, and the first protrusion embeds in corresponding hole, the thickness of the first protrusion is less than the degree of depth in hole.
Further, piezoelectric layer is the structure sheaf with multiple hole, first high polymer layer is made up of multiple first protrusions being formed in the first electrode layer lower surface, second high polymer layer is made up of multiple second protrusions being formed in the second electrode lay upper surface, the position of multiple first protrusion and multiple second protrusion is corresponding with the position in multiple hole, and the first protrusion and the second protrusion embed in corresponding hole, the thickness sum of the first protrusion and the second protrusion is less than the degree of depth in hole.
Further, the first high polymer layer is the structure sheaf with multiple hole, and piezoelectric layer is made up of multiple pad, and the position of multiple pad is corresponding with the position in multiple hole, and pad embeds in corresponding hole, and the thickness of pad is greater than the degree of depth in hole.
Further, first high polymer layer and the second high polymer layer are the structure sheaf with multiple hole, piezoelectric layer is made up of multiple pad, the position of multiple pad is corresponding with the position in multiple holes of multiple holes of the first high polymer layer, the second high polymer layer, and pad embeds in the corresponding hole of the first high polymer layer and the hole of the second high polymer layer, the thickness of pad is greater than the degree of depth sum in the hole of the first high polymer layer and the hole of the second high polymer layer.
Further, the first high polymer layer, the first electrode layer and friction electrode layer are flexible flat structure.
Described piezoelectric can be: the piezoelectrics such as zinc oxide piezoelectric material, piezoelectric ceramic, Kynoar (PVDF), porous polypropylene, porous Teflon, but in the utility model, piezoelectric is not limited to above-mentioned material.
It is all AC signal that piezoelectricity exports with friction electricity, it is by same electrode output current, for avoiding occurring exporting the situation of cancelling out each other, need both adjustment to export consistent, namely the polarised direction of piezoelectric is consistent with the easy band positive elecrtonegativity direction of friction electric material.Can ensure when stressed like this, on same electrode, identical with the charge polarity that friction electricity exports by piezoelectricity, play the effect strengthening the signal of telecommunication.
The above-mentioned piezoelectricity that the utility model provides and the electric hybrid generator of friction, when piezoelectricity and the electric hybrid generator of friction are under pressure effect, contact friction between first high polymer layer and friction electrode layer, piezoelectric layer generation deformation simultaneously, make the output electrode of piezoelectricity and the electric hybrid generator of friction export the friction signal of telecommunication and piezoelectric signal simultaneously, simultaneously, the existence of piezoelectric layer makes can realize separateing fast between the first high polymer layer and friction electrode layer, improves the generating efficiency of hybrid generator further.Therefore, when the piezoelectricity using the utility model to provide and the electric hybrid generator of friction, be equivalent to the parallel connection that can realize two kinds of generators (piezoelectric generator and a friction electric generator) in individual devices, the generating efficiency of generator is obviously promoted.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model piezoelectricity provided and the electric hybrid generator embodiment one that rubs;
Fig. 2 is the structural representation of the utility model piezoelectricity provided and the electric hybrid generator embodiment two that rubs;
Fig. 3 is the utility model piezoelectric layer facilities one schematic diagram;
Fig. 4 is the utility model piezoelectric layer facilities two schematic diagram;
Fig. 5 is the utility model piezoelectric layer facilities three schematic diagram;
Fig. 6 is the cross section structure schematic diagram of the utility model piezoelectricity provided and the electric hybrid generator embodiment three that rubs;
Fig. 7 is the structural representation of the piezoelectric layer with multiple hole;
Fig. 8 is the cross section structure schematic diagram of the utility model piezoelectricity provided and the electric hybrid generator embodiment four that rubs;
Fig. 9 is the cross section structure schematic diagram of the utility model piezoelectricity provided and the electric hybrid generator embodiment five that rubs;
Figure 10 is the cross section structure schematic diagram of the utility model piezoelectricity provided and the electric hybrid generator embodiment six that rubs.
Embodiment
For fully understanding the object of the utility model, feature and effect, by following concrete execution mode, the utility model is elaborated, but the utility model is not restricted to this.
Fig. 1 is the structural representation of the utility model piezoelectricity provided and the electric hybrid generator embodiment one that rubs, as shown in Figure 1, this piezoelectricity and the electric hybrid generator of friction comprise the first electrode layer 10, first high polymer layer 11 and friction electrode layer 12 that from top to bottom arrange; Wherein, be also provided with the piezoelectric layer 13 that piezoelectric is made between the first electrode layer 10 and friction electrode layer 12, piezoelectric layer 13 makes to form space between the first high polymer layer 11 and friction electrode layer 12; First electrode layer 10 and friction electrode layer 12 are the output electrode of piezoelectricity and the electric hybrid generator of friction.Alternatively, the first high polymer layer 11, first electrode layer 10 and friction electrode layer 12 are flexible flat structure.
In the construction shown in fig. 1, friction electrode layer 12 is specially the second electrode lay, and piezoelectric layer 13 is for be arranged between the first electrode layer 10 and the second electrode lay and to be positioned at piezoelectricity and the pad of the electric hybrid generator surrounding that rubs.The region at least partially of piezoelectric layer 13 directly contacts with the first electrode layer 10, the second electrode lay, and the upper surface as pad directly contacts with the first electrode layer 10, and the lower surface of pad directly contacts with the second electrode lay.
The material of piezoelectric layer 13 can be: the piezoelectrics such as zinc oxide piezoelectric material, piezoelectric ceramic, Kynoar (PVDF), porous polypropylene, porous Teflon, but in the utility model, piezoelectric is not limited to above-mentioned material.
In the present embodiment, piezoelectric layer 13 has following two effects:
An effect is supporting role, frictional interface is formed between first high polymer layer 11 and friction electrode layer 12, contact separation formula friction generator needs have certain space guarantee generator to have good output effect between two frictional interfaces, and this space can realize by increasing pad; As shown in Figure 1, first electrode layer 10 lower surface directly contacts with the first high polymer layer 11 except other region except the region of pad contacts, the thickness of pad is greater than the thickness of the first high polymer layer 11, and the supporting role of pad makes to form space between the first high polymer layer 11 and the second electrode lay.Meanwhile, the existence of piezoelectric layer 13 makes can realize separateing fast between the first high polymer layer 11 and friction electrode layer 12, improves the generating efficiency of hybrid generator further.
Another effect is piezoelectric activity, and when piezoelectricity and the electric hybrid generator of friction are under pressure effect, deformation occurs piezoelectric layer 13, thus produces piezoelectric signal between the first electrode layer 10 directly contacted with piezoelectric layer 13 and the second electrode lay.
The utility model utilizes piezoelectric to realize friction electricity as pad and piezoelectricity exports simultaneously.Particularly, when piezoelectricity and the electric hybrid generator of friction are under pressure effect, contact friction between first high polymer layer 11 and friction electrode layer 12, there is deformation in piezoelectric layer 13 simultaneously, makes the output electrode of piezoelectricity and the electric hybrid generator of friction export the friction signal of telecommunication and piezoelectric signal simultaneously.
Fig. 2 is the structural representation of the utility model piezoelectricity provided and the electric hybrid generator embodiment two that rubs, as shown in Figure 2, this piezoelectricity and the electric hybrid generator of friction are on the basis of above-described embodiment one, friction electrode layer 12 comprises the second high polymer layer 121 and the second electrode lay 122 that from top to bottom arrange, and piezoelectric layer 13 is for be arranged between the first electrode layer 10 and the second electrode lay 122 and to be positioned at piezoelectricity and the pad of the electric hybrid generator surrounding that rubs.The region at least partially of piezoelectric layer 13 directly contacts with the first electrode layer 10, the second electrode lay 122, and the upper surface as pad directly contacts with the first electrode layer 10, and the lower surface of pad directly contacts with the second electrode lay 122.Alternatively, the first high polymer layer 11, first electrode layer 10, second high polymer layer 121 and the second electrode lay 122 are flexible flat structure.
The material of piezoelectric layer 13 can be: the piezoelectrics such as zinc oxide piezoelectric material, piezoelectric ceramic, Kynoar (PVDF), porous polypropylene, porous Teflon, but in the utility model, piezoelectric is not limited to above-mentioned material.
In the present embodiment, piezoelectric layer 13 has following two effects:
An effect is supporting role, frictional interface is formed between first high polymer layer 11 and the second high polymer layer 121, contact separation formula friction generator needs have certain space guarantee generator to have good output effect between two frictional interfaces, and this space can realize by increasing pad; As shown in Figure 2, first electrode layer 10 lower surface directly contacts with the first high polymer layer 11 except other region except the region of pad contacts, the second electrode lay 122 upper surface directly contacts with the second high polymer layer 121 except other region except the region of pad contacts, the thickness of pad is greater than the thickness sum of the first high polymer layer 11 and the second high polymer layer 121, and the supporting role of pad makes to form space between the first high polymer layer 11 and the second high polymer layer 121.Meanwhile, the existence of piezoelectric layer 13 makes can realize separateing fast between the first high polymer layer 11 and the second high polymer layer 121, improves the generating efficiency of hybrid generator further.
Another effect is piezoelectric activity, and when piezoelectricity and the electric hybrid generator of friction are under pressure effect, deformation occurs piezoelectric layer 13, thus produces piezoelectric signal between the first electrode layer 10 directly contacted with piezoelectric layer 13 and the second electrode lay 122.
The utility model utilizes piezoelectric to realize friction electricity as pad and piezoelectricity exports simultaneously.Particularly, when piezoelectricity and the electric hybrid generator of friction are under pressure effect, contact friction between first high polymer layer 11 and the second high polymer layer 121, there is deformation in piezoelectric layer 13 simultaneously, makes the output electrode of piezoelectricity and the electric hybrid generator of friction export the friction signal of telecommunication and piezoelectric signal simultaneously.
Fig. 3-Fig. 5 is the utility model piezoelectric layer facilities schematic diagram, as shown in Figure 3-Figure 5, piezoelectric layer 13 for be arranged between the first electrode layer and the second electrode lay and be positioned at piezoelectricity and the both sides of the electric hybrid generator that rubs, corner or surrounding pad.Piezoelectric is as the pad of friction generator, and when pressing friction generator, piezoelectric is by external force generation deformation simultaneously, and realization friction electricity and piezoelectricity export simultaneously.
In the structure shown in above-mentioned Fig. 1 and Fig. 2, optionally, the first high polymer layer and at least one face in friction electrode layer opposite face are provided with micro-nano concaveconvex structure.
Fig. 6 is the cross section structure schematic diagram of the utility model piezoelectricity provided and the electric hybrid generator embodiment three that rubs, as shown in Figure 6, this piezoelectricity and the electric hybrid generator of friction comprise the first electrode layer 20 from top to bottom arranged, first high polymer layer 21 and friction electrode layer, wherein, friction electrode layer is the second electrode lay 22, is also provided with the piezoelectric layer 23 that piezoelectric is made between the first electrode layer 20 and the second electrode lay 22.First electrode layer 20 and the second electrode lay 22 are the output electrode of piezoelectricity and the electric hybrid generator of friction.Alternatively, the first high polymer layer 21, first electrode layer 20, the second electrode lay 22 and piezoelectric layer 23 are flexible structure.
In the present embodiment, piezoelectric layer 23 is for having the structure sheaf in multiple hole.Fig. 7 is the structural representation of the piezoelectric layer with multiple hole, and as shown in Figure 7, this piezoelectric layer is the structure sheaf with multiple honeycomb hole, but hole can be circular or various polygon, is not specifically limited herein.The upper surface of piezoelectric layer 23 directly contacts with the first electrode layer 20, and the lower surface of piezoelectric layer 23 directly contacts with the second electrode lay 22.
First high polymer layer 21 is made up of multiple first protrusions being formed in the first electrode layer 20 lower surface, and the position of multiple first protrusion is corresponding with the position in multiple hole on piezoelectric layer 23, and the first protrusion embeds in corresponding hole.
The material of piezoelectric layer 23 can be: zinc oxide piezoelectric material, piezoelectric ceramic, piezoelectric such as Kynoar (PVDF) porous polypropylene, porous Teflon etc., but in the utility model, piezoelectric is not limited to above-mentioned material.
In the present embodiment, piezoelectric layer 23 has following two effects:
An effect is supporting role, forms frictional interface between the first high polymer layer 21 and the second electrode lay 22, and separateing formula friction generator needs have certain space guarantee generator to have good output effect between two frictional interfaces; As shown in Figure 6, the thickness of each first protrusion of the first electrode layer 10 lower surface is less than the degree of depth in each hole on piezoelectric layer 23, and the supporting role of piezoelectric layer 23 makes to form space between the first high polymer layer 21 and the second electrode lay 22.Meanwhile, the existence of piezoelectric layer 23 makes can realize separateing fast between the first high polymer layer 21 and the second electrode lay 22, improves the generating efficiency of hybrid generator further.
Another effect is piezoelectric activity, and when piezoelectricity and the electric hybrid generator of friction are under pressure effect, deformation occurs piezoelectric layer 23, thus produces piezoelectric signal between the first electrode layer 20 directly contacted with piezoelectric layer 23 and the second electrode lay 22.
The utility model utilizes piezoelectric to realize friction electricity as pad and piezoelectricity exports simultaneously.Particularly, when piezoelectricity and the electric hybrid generator of friction are under pressure effect, contact friction between first high polymer layer 21 and the second electrode lay 22, there is deformation in piezoelectric layer 23 simultaneously, makes the output electrode of piezoelectricity and the electric hybrid generator of friction export the friction signal of telecommunication and piezoelectric signal simultaneously.
Fig. 8 is the cross section structure schematic diagram of the utility model piezoelectricity provided and the electric hybrid generator embodiment four that rubs, as shown in Figure 8, this piezoelectricity and the electric hybrid generator of friction are on the basis of above-described embodiment three, and friction electrode layer comprises the second high polymer layer 24 and the second electrode lay 22 that from top to bottom arrange.Wherein, the piezoelectric layer 23 that piezoelectric is made also is provided with between the first electrode layer 20 and the second electrode lay 22.First electrode layer 20 and the second electrode lay 22 are the output electrode of piezoelectricity and the electric hybrid generator of friction.Alternatively, the first high polymer layer 21, second high polymer layer 24, first electrode layer 20, the second electrode lay 22 and piezoelectric layer 23 are flexible structure.
In the present embodiment, piezoelectric layer 23, for having the structure sheaf in multiple hole, specifically can refer to structure as shown in Figure 7, and this piezoelectric layer is the structure sheaf with multiple honeycomb hole, but hole can be circular or various polygon, is not specifically limited herein.The upper surface of piezoelectric layer 23 directly contacts with the first electrode layer 20, and the lower surface of piezoelectric layer 23 directly contacts with the second electrode lay 22.
First high polymer layer 21 is made up of multiple first protrusions being formed in the first electrode layer 20 lower surface, second high polymer layer 24 is made up of multiple second protrusions being formed in the second electrode lay 22 upper surface, the position of multiple first protrusion and multiple second protrusion is corresponding with the position in multiple hole on piezoelectric layer 23, and the first protrusion and the second protrusion embed in corresponding hole.The material of piezoelectric layer 23 can be: the piezoelectrics such as zinc oxide piezoelectric material, piezoelectric ceramic, Kynoar (PVDF), porous polypropylene, porous Teflon, but in the utility model, piezoelectric is not limited to above-mentioned material.
In the present embodiment, piezoelectric layer 23 has following two effects:
An effect is supporting role, form frictional interface between first high polymer layer 21 and the second high polymer layer 24, separateing formula friction generator needs have certain space guarantee generator to have good output effect between two frictional interfaces; As shown in Figure 8, the thickness sum of each first protrusion of the first electrode layer 20 lower surface and each second protrusion of the second electrode lay 22 upper surface is less than the degree of depth in each hole on piezoelectric layer 23, and the supporting role of piezoelectric layer 23 makes to form space between the first high polymer layer 21 and the second high polymer layer 24.Meanwhile, the existence of piezoelectric layer 23 makes can realize separateing fast between the first high polymer layer 21 and the second high polymer layer 24, improves the generating efficiency of hybrid generator further.
Another effect is piezoelectric activity, and when piezoelectricity and the electric hybrid generator of friction are under pressure effect, deformation occurs piezoelectric layer 23, thus produces piezoelectric signal between the first electrode layer 20 directly contacted with piezoelectric layer 23 and the second electrode lay 22.
The utility model utilizes piezoelectric to realize friction electricity as pad and piezoelectricity exports simultaneously.Particularly, when piezoelectricity and the electric hybrid generator of friction are under pressure effect, contact friction between first high polymer layer 21 and the second high polymer layer 24, there is deformation in piezoelectric layer 23 simultaneously, makes the output electrode of piezoelectricity and the electric hybrid generator of friction export the friction signal of telecommunication and piezoelectric signal simultaneously.
Fig. 9 is the cross section structure schematic diagram of the utility model piezoelectricity provided and the electric hybrid generator embodiment five that rubs, as shown in Figure 9, this piezoelectricity and the electric hybrid generator of friction comprise the first electrode layer 20 from top to bottom arranged, first high polymer layer 21 and friction electrode layer, wherein, friction electrode layer is the second electrode lay 22, wherein, is also provided with the piezoelectric layer 23 that piezoelectric is made between the first electrode layer 20 and the second electrode lay 22.First electrode layer 20 and the second electrode lay 22 are the output electrode of piezoelectricity and the electric hybrid generator of friction.Alternatively, the first high polymer layer 21, first electrode layer 20, the second electrode lay 22 and piezoelectric layer 23 are flexible structure.
In the present embodiment, the first high polymer layer 21, specifically can see structure as shown in Figure 7 for having the structure sheaf in multiple hole, and hole can be circular or various polygon, is not specifically limited herein.First high polymer layer 21 is arranged on the lower surface of the first electrode layer 20.Piezoelectric layer 23 is made up of multiple pad, the position of multiple pad is corresponding with the position in multiple holes of the first high polymer layer 21, and pad embeds in corresponding hole, the upper surface of each pad directly contacts with the first electrode layer 20, and the lower surface of each pad directly contacts with the second electrode lay 22.
The material of piezoelectric layer 23 can be: the piezoelectrics such as zinc oxide piezoelectric material, piezoelectric ceramic, Kynoar (PVDF), porous polypropylene, porous Teflon, but in the utility model, piezoelectric is not limited to above-mentioned material.
In the present embodiment, piezoelectric layer 23 has following two effects:
An effect is supporting role, forms frictional interface between the first high polymer layer 21 and the second electrode lay 22, and separateing formula friction generator needs have certain space guarantee generator to have good output effect between two frictional interfaces; As shown in Figure 9, the thickness of each pad of the first electrode layer 20 lower surface is greater than the degree of depth in each hole on the first high polymer layer 21, and the supporting role of piezoelectric layer 23 makes to form space between the first high polymer layer 21 and the second electrode lay 22.Meanwhile, the existence of piezoelectric layer 23 makes can realize separateing fast between the first high polymer layer 21 and the second electrode lay 22, improves the generating efficiency of hybrid generator further.
Another effect is piezoelectric activity, and when piezoelectricity and the electric hybrid generator of friction are under pressure effect, deformation occurs piezoelectric layer 23, thus produces piezoelectric signal between the first electrode layer 20 directly contacted with piezoelectric layer 23 and the second electrode lay 22.
The utility model utilizes piezoelectric to realize friction electricity as pad and piezoelectricity exports simultaneously.Particularly, when piezoelectricity and the electric hybrid generator of friction are under pressure effect, contact friction between first high polymer layer 21 and the second electrode lay 22, there is deformation in piezoelectric layer 23 simultaneously, makes the output electrode of piezoelectricity and the electric hybrid generator of friction export the friction signal of telecommunication and piezoelectric signal simultaneously.
Figure 10 is the cross section structure schematic diagram of the utility model piezoelectricity provided and the electric hybrid generator embodiment six that rubs, as shown in Figure 10, this piezoelectricity and the electric hybrid generator of friction are on the basis of above-described embodiment five, and friction electrode layer comprises the second high polymer layer 24 and the second electrode lay 22 that from top to bottom arrange.The piezoelectric layer 23 that piezoelectric is made also is provided with between first electrode layer 20 and the second electrode lay 22.First electrode layer 20 and the second electrode lay 22 are the output electrode of piezoelectricity and the electric hybrid generator of friction.Alternatively, the first high polymer layer 21, second high polymer layer 24, first electrode layer 20, the second electrode lay 22 and piezoelectric layer 23 are flexible structure.
In the present embodiment, the first high polymer layer 21 and the second high polymer layer 24 are the structure sheaf with multiple hole, specifically can see structure as shown in Figure 7, and hole can be circular or various polygon, is not specifically limited herein.First high polymer layer 21 is arranged on the lower surface of the first electrode layer 20, and the second high polymer layer 24 is arranged on the upper surface of the second electrode lay 22.The position in the position in multiple holes of the first high polymer layer 21 and multiple holes of the second high polymer layer 24 is corresponding.Piezoelectric layer 23 is made up of multiple pad, and the position in multiple holes of the position of multiple pad and the first high polymer layer 21 and the second high polymer layer 24 is corresponding, and pad embeds in corresponding hole.The upper surface of each pad directly contacts with the first electrode layer 20, and the lower surface of each pad directly contacts with the second electrode lay 22.
The material of piezoelectric layer 23 can be: the piezoelectrics such as zinc oxide piezoelectric material, piezoelectric ceramic, Kynoar (PVDF), porous polypropylene, porous Teflon, but in the utility model, piezoelectric is not limited to above-mentioned material.
In the present embodiment, piezoelectric layer 23 has following two effects:
An effect is supporting role, form frictional interface between first high polymer layer 21 and the second high polymer layer 24, separateing formula friction generator needs have certain space guarantee generator to have good output effect between two frictional interfaces; As shown in Figure 10, the thickness of each pad of the first electrode layer 20 lower surface is greater than the degree of depth sum in each hole on each hole and the second high polymer layer 24 on the first high polymer layer 21, and the supporting role of piezoelectric layer 23 makes to form space between the first high polymer layer 21 and the second high polymer layer 24.Meanwhile, the existence of piezoelectric layer 23 makes can realize separateing fast between the first high polymer layer 21 and the second high polymer layer 24, improves the generating efficiency of hybrid generator further.
Another effect is piezoelectric activity, and when piezoelectricity and the electric hybrid generator of friction are under pressure effect, deformation occurs piezoelectric layer 23, thus produces piezoelectric signal between the first electrode layer 20 directly contacted with piezoelectric layer 23 and the second electrode lay 22.The utility model utilizes piezoelectric to realize friction electricity as pad and piezoelectricity exports simultaneously.Particularly, when piezoelectricity and the electric hybrid generator of friction are under pressure effect, contact friction between first high polymer layer 21 and the second high polymer layer 24, there is deformation in piezoelectric layer 23 simultaneously, makes the output electrode of piezoelectricity and the electric hybrid generator of friction export the friction signal of telecommunication and piezoelectric signal simultaneously.
It is all AC signal that piezoelectricity in all embodiments of the utility model exports with friction electricity, it is by same electrode output current, for avoiding occurring exporting the situation of cancelling out each other, need both adjustment to export consistent, namely the polarised direction of piezoelectric is consistent with the easy band positive elecrtonegativity direction of friction electric material.Can ensure when stressed like this, on same electrode, identical with the charge polarity that friction electricity exports by piezoelectricity, play the effect strengthening the signal of telecommunication.
Friction generator and piezoelectric combine by the piezoelectricity that the utility model provides and the electric hybrid generator of friction, make the output electrode of piezoelectricity and the electric hybrid generator of friction export the friction signal of telecommunication and piezoelectric signal simultaneously, realize the mutual supplement with each other's advantages of two kinds of generation modes, simultaneously, the existence of piezoelectric layer makes can realize separateing fast between the first high polymer layer and friction electrode layer, the generating efficiency of further raising hybrid generator, improves overall output effect greatly.Because the manufacturing process of whole device is simple, cost is lower, can mass large-scale production.
Finally; what enumerate it is to be noted that above is only specific embodiment of the utility model; certain those skilled in the art can change and modification the utility model; if these amendments and modification belong within the scope of the utility model claim and equivalent technologies thereof, protection range of the present utility model all should be thought.
Claims (10)
1. piezoelectricity and the electric hybrid generator of friction, is characterized in that, comprise the first electrode layer from top to bottom arranged, the first high polymer layer and friction electrode layer; Wherein,
Also be provided with the piezoelectric layer that piezoelectric is made between described first electrode layer and described friction electrode layer, described piezoelectric layer makes to form space between described first high polymer layer and described friction electrode layer;
Described first electrode layer and described friction electrode layer are the output electrode of described piezoelectricity and the electric hybrid generator of friction.
2. piezoelectricity according to claim 1 and the electric hybrid generator of friction, it is characterized in that, described friction electrode layer is the second electrode lay, and the region at least partially of described piezoelectric layer directly contacts with described first electrode layer, the second electrode lay.
3. piezoelectricity according to claim 1 and the electric hybrid generator of friction, it is characterized in that, described friction electrode layer comprises the second high polymer layer and the second electrode lay that from top to bottom arrange, and the region at least partially of described piezoelectric layer directly contacts with described first electrode layer, the second electrode lay.
4. the piezoelectricity according to Claims 2 or 3 and the electric hybrid generator of friction, it is characterized in that, described piezoelectric layer is to be arranged between described first electrode layer and described the second electrode lay and to be positioned at the pad of the both sides of described piezoelectricity and friction electricity hybrid generator, corner or surrounding.
5. piezoelectricity according to claim 4 and the electric hybrid generator of friction, is characterized in that, at least one face in described first high polymer layer and described friction electrode layer opposite face is provided with micro-nano concaveconvex structure.
6. piezoelectricity according to claim 2 and the electric hybrid generator of friction, it is characterized in that, described piezoelectric layer is the structure sheaf with multiple hole, described first high polymer layer is made up of multiple first protrusions being formed in described first electrode layer lower surface, the position of described multiple first protrusion is corresponding with the position in described multiple hole, and the first protrusion embeds in corresponding hole, the thickness of described first protrusion is less than the degree of depth in described hole.
7. piezoelectricity according to claim 3 and the electric hybrid generator of friction, it is characterized in that, described piezoelectric layer is the structure sheaf with multiple hole, described first high polymer layer is made up of multiple first protrusions being formed in described first electrode layer lower surface, described second high polymer layer is made up of multiple second protrusions being formed in described the second electrode lay upper surface, the position of described multiple first protrusion and multiple second protrusion is corresponding with the position in described multiple hole, and the first protrusion and the second protrusion embed in corresponding hole, the thickness sum of described first protrusion and described second protrusion is less than the degree of depth in described hole.
8. piezoelectricity according to claim 2 and the electric hybrid generator of friction, it is characterized in that, described first high polymer layer is the structure sheaf with multiple hole, described piezoelectric layer is made up of multiple pad, the position of described multiple pad is corresponding with the position in described multiple hole, and pad embeds in corresponding hole, the thickness of described pad is greater than the degree of depth in described hole.
9. piezoelectricity according to claim 3 and the electric hybrid generator of friction, it is characterized in that, described first high polymer layer and described second high polymer layer are the structure sheaf with multiple hole, described piezoelectric layer is made up of multiple pad, the position of described multiple pad and multiple holes of described first high polymer layer, the position in multiple holes of described second high polymer layer is corresponding, and pad embeds in the corresponding hole of the first high polymer layer and the hole of the second high polymer layer, the thickness of described pad is greater than the degree of depth sum in the hole of described first high polymer layer and the hole of the second high polymer layer.
10. piezoelectricity according to claim 1 and the electric hybrid generator of friction, it is characterized in that, described first high polymer layer, described first electrode layer and described friction electrode layer are flexible flat structure.
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| CN105099258A (en) * | 2015-07-17 | 2015-11-25 | 纳智源科技（唐山）有限责任公司 | Friction generator with embedded electrode structure and zinc oxide generator |
| WO2018006529A1 (en) * | 2016-07-05 | 2018-01-11 | 纳智源科技（唐山）有限责任公司 | Polymer thin film and physiological signal collection sensor band |
| CN109077730A (en) * | 2017-06-13 | 2018-12-25 | 北京纳米能源与系统研究所 | Muscle fine motion detecting element, switching device, man-machine interactive system and fore device |
| US10804818B2 (en) | 2017-06-30 | 2020-10-13 | Toyota Motor Engineering & Manufacturing North America, Inc. | Triboelectric generator and network for mechanical energy harvesting |
| WO2019090426A1 (en) * | 2017-11-10 | 2019-05-16 | Shimco North America Inc. | Sensing system |
| CN111316069A (en) * | 2017-11-10 | 2020-06-19 | 新科北美公司 | Sensing system |
| CN111316069B (en) * | 2017-11-10 | 2023-09-01 | 新科北美公司 | Sensing system |
| JP7434520B2 (en) | 2017-11-10 | 2024-02-20 | シムコ・ノース・アメリカ・インコーポレイテッド | sensing system |
| US11984824B2 (en) | 2017-11-10 | 2024-05-14 | Shimco North America Inc. | Sensing system |
| CN107994803A (en) * | 2017-12-25 | 2018-05-04 | 内蒙古科技大学 | A kind of piezoelectricity friction electricity mixes wearable nano generator and preparation method |
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