Power generator

Abstract

To provide a power generator that can easily electrically connect a plurality of first electrode layers and a plurality of second electrode layers.SOLUTION: A portion of each of a plurality of first sheet members 10 and a portion of each of a plurality of second sheet members 20 are alternately stacked, such that a first electrostatic layer 13 and a second electrostatic layer 23 face each other, the power generator 1 generates electricity by changing the contact state between the first electrostatic layer 13 and the second electrostatic layer 23, the first connecting conductor 30 penetrates other portions of each of the plurality of first sheet members 10 and is connected to the first electrode layer 12 of each of the plurality of first sheet members 10, and the second connecting conductor 40 penetrates other portions of each of the plurality of second sheet members 20 and is connected to the second electrode layer 22 of each of the plurality of second sheet members 20.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present invention relates to a power generation device that generates electricity by utilizing frictional charging. [Background technology]

[0002] A known conventional power generating device includes a first member having a first charged layer on the outer surface side of a first electrode layer, and a second member having a second charged layer on the outer surface side of a second electrode layer (see, for example, Patent Document 1). The conventional power generating device generates electricity by stacking the first member and the second member so that the first charged layer faces the second charged layer and changing the contact state between the first charged layer and the second charged layer.

[0003] In a power generation device, in order to increase the power generation output, it is considered to alternately stack multiple first members and multiple second members, thereby arranging multiple pairs of opposing first and second charged layers in the stacking direction. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Japanese Patent Application Laid-Open No. 2016-500248 Summary of the Invention [Problem to be solved by the invention]

[0005] In a power generation device having a plurality of first members and a plurality of second members, the first electrode layers of the plurality of first members are connected in parallel or in series by connecting electric wires, and the second electrode layers of the plurality of second members are connected in parallel or in series by connecting electric wires. In this case, the connecting electric wires are connected to the first electrode layers and the second electrode layers in advance, and other members are stacked on the first electrode layers and the second electrode layers to which the connecting electric wires are connected to form the first member or the second member. Therefore, in a power generation device having a plurality of first members and a plurality of second members, the work of connecting the connecting electric wires to the first electrode layers and the second electrode layers is complicated, which may increase manufacturing costs.

[0006] An object of the present invention is to provide a power generating device in which a plurality of first electrode layers and a plurality of second electrode layers can be easily electrically connected. [Means for solving the problem]

[0007] The power generation device of the present invention is a power generation device comprising a plurality of first sheet members, a plurality of second sheet members, a first connecting conductor, and a second connecting conductor, wherein the first sheet member has a first charged layer on the outer surface side of a first electrode layer, and the second sheet member has a second charged layer on the outer surface side of a second electrode layer, and portions of each of the plurality of first sheet members and portions of each of the plurality of second sheet members are alternately stacked so that the first charged layer and the second charged layer face each other, the power generation device generates electricity by changes in the contact state between the first charged layer and the second charged layer, and the first connecting conductor penetrates other portions of each of the plurality of first sheet members and is connected to the first electrode layer of each of the plurality of first sheet members, and the second connecting conductor penetrates other portions of each of the plurality of second sheet members and is connected to the second electrode layer of each of the plurality of second sheet members.

[0008] Furthermore, it is preferable that the power generation device according to the present invention comprises a first insulating member surrounding the outer periphery of the first connecting conductor located between the plurality of first sheet members, and a second insulating member surrounding the outer periphery of the second connecting conductor located between the plurality of second sheet members.

[0009] In addition, in the power generation device of the present invention, it is preferable that the ratio Ti1 / Ts2 of the thickness Ti1 of the first insulating member to the thickness Ts2 of the second sheet member, and the ratio Ti2 / Ts1 of the thickness Ti2 of the second insulating member to the thickness Ts1 of the first sheet member are each within the range of 0.8 or more and 1.2 or less.

[0010] In the power generating device according to the present invention, it is preferable that one of the first charging layer and the second charging layer is made of polyimide having a porous structure, and the other is made of polyamide.

[0011] In addition, it is preferable that the power generation device of the present invention is such that the first connecting conductor and the second connecting conductor each have a pair of penetrating portions that penetrate other portions of the plurality of first sheet members and the plurality of second sheet members in the stacking direction, and a connecting portion that extends along the surface direction of the first sheet member and the surface direction of the second sheet member and connects the base ends of the pair of penetrating portions to each other.

[0012] Furthermore, it is preferable that the power generation device according to the present invention comprises a first conducting wire connected to the first connecting conductor and a second conducting wire connected to the second connecting conductor, wherein the first conducting wire is sandwiched between the connecting portion of the first connecting conductor and the first sheet member, and the second conducting wire is sandwiched between the connecting portion of the second connecting conductor and the second sheet member.

[0013] In addition, in the power generating device according to the present invention, it is preferable that the first connecting conductor and the second connecting conductor are conductive thread-like members that stitch together the plurality of first sheet members and the plurality of second sheet members, respectively.

[0014] Furthermore, it is preferable that the power generation device according to the present invention comprises a first conducting wire connected to the first connecting conductor and a second conducting wire connected to the second connecting conductor, the first conducting wire being sandwiched between a thread-like member constituting the first connecting conductor and the first sheet member, and the second conducting wire being sandwiched between a thread-like member constituting the second connecting conductor and the second sheet member.

[0015] Furthermore, it is preferable that the power generation device according to the present invention includes a spacing member that maintains the gap between the first sheet member and the second sheet member that face each other in the stacking direction, and that the spacing member is provided at least either between the end side of the first sheet member that faces the second insulating member on at least one side in the stacking direction and the second sheet member, and between the first sheet member that faces the end side of the second sheet member that faces the first insulating member on at least one side in the stacking direction and the first sheet member. [Effects of the Invention]

[0016] According to the present invention, by passing a first connecting conductor through a plurality of first sheet members in the stacking direction and passing a second connecting conductor through a plurality of second sheet members in the stacking direction, it becomes possible to connect the first connecting conductor to a plurality of first electrode layers and to connect the second connecting conductor to a plurality of second electrode layers, thereby making it possible to easily electrically connect a plurality of first electrode layers and a plurality of second electrode layers. [Brief explanation of the drawings]

[0017] [Figure 1] FIG. 1 is a cross-sectional view of a power generating device according to a first embodiment of the present invention. [Figure 2] FIG. 2 is an exploded perspective view of a first sheet member constituting the power generator according to the first embodiment of the present invention. [Figure 3] FIG. 3 is an exploded perspective view of a first sheet member constituting the power generator according to the first embodiment of the present invention. [Figure 4] FIG. 4 is an exploded perspective view of the power generating device according to the first embodiment of the present invention. [Figure 5] FIG. 5 is an exploded perspective view of a power generating device according to a second embodiment of the present invention. [Figure 6] FIG. 6 is a cross-sectional view of a power generating device according to a third embodiment of the present invention. [Figure 7] FIG. 7 is a cross-sectional view showing a modified example of the power generating device according to the third embodiment of the present invention. [Figure 8] FIG. 8 is a cross-sectional view showing a modified example of the power generating device according to the third embodiment of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0018] First Embodiment Figures 1 to 4 show a first embodiment of the present invention. Figure 1 is a cross-sectional view of a power generation device, Figure 2 is an exploded perspective view of a first sheet member constituting the power generation device, Figure 3 is an exploded perspective view of a second sheet member constituting the power generation device, and Figure 4 is an exploded perspective view of the power generation device.

[0019] As shown in FIG. 1, the power generation device 1 of this embodiment comprises a plurality of first sheet members 10 on the positively charged side, a plurality of second sheet members 20 on the negatively charged side, a first connecting conductor 30 connected to the first electrode layer (described later) of each of the plurality of first sheet members 10, a second connecting conductor 40 connected to the second electrode layer (described later) of each of the plurality of second sheet members 20, a plurality of first insulating members 50 surrounding the outer periphery of the first connecting conductor 30, a plurality of second insulating members 60 surrounding the outer periphery of the second connecting conductor 40, a first conducting wire 70 connected to the first connecting conductor 30, and a second conducting wire 80 connected to the second connecting conductor 40.

[0020] As shown in Figure 2, each of the multiple first sheet members 10 has a first base material layer 11, a pair of first electrode layers 12 arranged on both sides of the first base material layer 11 in the thickness direction, and a pair of first electrostatic layers 13 arranged on the outer side of each of the pair of first electrode layers 12 in the thickness direction.

[0021] The first base layer 11 is made of an insulating material such as polyethylene terephthalate.

[0022] The pair of first electrode layers 12 are made of a conductive material such as a conductive nonwoven fabric formed by vapor-depositing a metal such as copper or aluminum onto a nonwoven fabric, copper foil, or aluminum foil.

[0023] The pair of first electrostatic layers 13 are made of an insulating material that is charged to the opposite polarity to the second electrostatic layer described below. The material of the first electrostatic layer 13 is a film-like material that is easily positively charged, such as polyamide, paper (cellulose), aluminum foil, copper foil, etc. In this embodiment, the first electrostatic layer 13 is preferably made of polyamide.

[0024] As shown in Figure 3, each of the multiple second sheet members 20 has a second base material layer 21, a pair of second electrode layers 22 arranged on both sides of the second base material layer 21 in the thickness direction, and a pair of second electrostatic layers 23 arranged on the outer side of each of the pair of second electrode layers 22 in the thickness direction.

[0025] The second base material layer 21 is made of a material having the same insulating properties as the first base material layer 11.

[0026] The pair of second electrode layers 22 are made of a material having the same conductivity as the first electrode layer 12.

[0027] The pair of second charged layers 23 are made of an insulating material that is charged with the opposite polarity to that of the first charged layer 13. The material of the second charged layer 23 is a film-like material that is easily negatively charged, such as polyimide, polytetrafluoroethylene (PTFE), polystyrene, polyethylene terephthalate, or polyethylene, which does not have a porous structure. In this embodiment, the second charged layer 23 is preferably made of polyimide having a porous structure.

[0028] 1, the plurality of first sheet members 10 and the plurality of second sheet members 20 are stacked in a staggered manner, with each portion being staggered. As a result, the first charged layer 13 of each of the plurality of first sheet members 10 faces the second charged layer 23 of the second sheet member 20.

[0029] The first connecting conductor 30 is made of a rod- or plate-shaped member having electrical conductivity, such as copper or aluminum. As shown in FIG. 4 , the first connecting conductor 30 has a pair of through-holes 31 that penetrate the longitudinal portions of each of the plurality of first sheet members 10 in the stacking direction, where the second sheet member 20 is not stacked, and a connecting portion 32 that connects the base ends of the pair of through-holes 31 to each other, resembling the needles used in a stapler. The stacked plurality of first sheet members 10 are maintained in a stacked state by having the pair of through-holes 31 penetrate the first sheet members 10 in the stacking direction and abutting the connecting portion 32 on the outer surface of the first sheet member 10 located outermost in the stacking direction. At this time, the plurality of first electrode layers 12 are connected in parallel to the first connecting conductor 30.

[0030] The second connecting conductor 40 is made of the same material as the first connecting conductor 30. The second connecting conductor 40 has a pair of through-holes 41 that penetrate the longitudinal portions of each of the plurality of second sheet members 20 in the stacking direction where no first sheet members 10 are stacked, and a connecting portion 42 that connects the base ends of the pair of through-holes 41 to each other. The stacked plurality of second sheet members 20 are maintained in a stacked state by having the pair of through-holes 41 penetrate the stacking direction and having the connecting portion 42 abut against the outer surface of the second sheet member 20 located outermost in the stacking direction. At this time, a plurality of second electrode layers 22 are connected in parallel to the second connecting conductor 40.

[0031] Each of the multiple first insulating members 50 is made of an insulating material such as polyethylene terephthalate, and is disposed between each of the multiple first sheet members 10. As shown in FIGS. 1 and 4 , the through portions 31 of the first connecting conductors 30 that penetrate the multiple first sheet members 10 penetrate the multiple first insulating members 50. That is, each of the multiple first insulating members 50 surrounds the outer periphery of the first connecting conductors 30 located between the multiple stacked first sheet members 10. Here, the ratio Ti1 / Ts2 of the thickness Ti1 of the first insulating member 50 to the thickness Ts2 of the second sheet member 20 is preferably within a range of 0.8 to 1.2, and more preferably within a range of 0.9 to 1.1.

[0032] Similar to the first insulating members 50, the second insulating members 60 are each made of an insulating material and are disposed between the second sheet members 20. As shown in FIGS. 1 and 4 , the through portions 41 of the second connecting conductors 40 that penetrate the second sheet members 20 penetrate the second insulating members 60. That is, the second insulating members 60 each surround the outer periphery of the second connecting conductors 40 located between the stacked second sheet members 20. Here, the ratio Ti2 / Ts1 of the thickness Ti2 of the second insulating member 60 to the thickness Ts1 of the first sheet member 10 is preferably within a range of 0.8 to 1.2, and more preferably within a range of 0.9 to 1.1.

[0033] The first conducting wire 70 is made of a conductive linear member such as copper or aluminum. The first conducting wire 70 is electrically connected to the first connecting conductor 30 in a state where it is sandwiched between the outer surface of the first sheet member 10 that is located outermost in the stacking direction among the multiple stacked first sheet members 10 and the coupling portion 32 of the first connecting conductor 30.

[0034] The second conducting wire 80 is made of the same material as the first conducting wire 70. The second conducting wire 80 is electrically connected to the second connecting conductor 40 in a state where it is sandwiched between the outer surface of the second sheet member 20 that is located outermost in the stacking direction among the multiple stacked second sheet members 20 and the connecting portion 42 of the second connecting conductor 40.

[0035] The power generation device 1 configured as described above generates electricity by switching between a first state in which no force is acting from the outside in a direction pressing the first charged layer 13 and the second charged layer 23 against each other on a plurality of first sheet members 10 and a plurality of second sheet members 20 stacked alternately, and a second state in which a force is acting from the outside in a direction pressing the first charged layer 13 and the second charged layer 23 against each other.

[0036] In the first state, when a force acts in a direction pressing the first charged layer 13 and the second charged layer 23 against each other, the first charged layer 13 and the second charged layer 23 rub against each other, causing the first charged layer 13 to take on a positive charge and the second charged layer 23 to take on a negative charge.

[0037] In addition, in the second state, when the force acting in the direction pressing the first charged layer 13 and the second charged layer 23 against each other is released, electricity flows between the first electrode layer 12 and the second electrode layer 22 in the direction that makes the potentials equal.

[0038] As described above, the power generating device 1 of this embodiment is a power generating device 1 including a plurality of first sheet members 10, a plurality of second sheet members 20, a first connecting conductor 30, and a second connecting conductor 40, in which the first sheet members 10 have a first electrostatic layer 13 on the outer surface side of the first electrode layer 12, and the second sheet members 20 have a second electrostatic layer 23 on the outer surface side of the second electrode layer 22, and portions of the plurality of first sheet members 10 and portions of the plurality of second sheet members 20 are alternately stacked, thereby The first charged layer 13 and the second charged layer 23 face each other, the power generation device 1 generates electricity by changes in the contact state between the first charged layer 13 and the second charged layer 23, the first connecting conductor 30 penetrates other parts of each of the multiple first sheet members 10 and is connected to the first electrode layer 12 of each of the multiple first sheet members 10, and the second connecting conductor 40 penetrates other parts of each of the multiple second sheet members 20 and is connected to the second electrode layer 22 of each of the multiple second sheet members 20.

[0039] As a result, by having the first connecting conductor 30 penetrate multiple first sheet members 10 in the stacking direction and having the second connecting conductor 40 penetrate multiple second sheet members 20 in the stacking direction, it becomes possible to connect the first connecting conductor 30 to multiple first electrode layers 12 and to connect the second connecting conductor 40 to multiple second electrode layers 22, making it possible to easily electrically connect multiple first electrode layers 12 and multiple second electrode layers 22.

[0040] It is also preferable to provide a first insulating member 50 surrounding the outer periphery of the first connecting conductor 30 located between the multiple first sheet members 10, and a second insulating member 60 surrounding the outer periphery of the second connecting conductor 40 located between the multiple second sheet members 20.

[0041] This makes it possible to prevent contact between the first connecting conductor 30 and the second electrode layer 22 of the second sheet member 20, as well as to prevent contact between the second connecting conductor 40 and the first electrode layer 12 of the first sheet member 10, thereby making it possible to suppress short circuits in the electrical circuit of the power generation device 1.

[0042] It is also preferable that the ratio Ti1 / Ts2 of the thickness Ti1 of the first insulating member 50 to the thickness Ts2 of the second sheet member 20, and the ratio Ti2 / Ts1 of the thickness Ti2 of the second insulating member 60 to the thickness Ts1 of the first sheet member 10 are each 0.8 or more and 1.2 or less.

[0043] This makes it possible to adjust the spacing between adjacent first sheet members 10 to the thickness Ts2 of the second sheet member 20 using the first insulating member 50, and to adjust the spacing between adjacent second sheet members 20 to the thickness Ts1 of the first sheet member 10 using the second insulating member 60, thereby making it possible to make the thickness dimension uniform throughout the entire power generation device 1.

[0044] It is also preferable that one of the first and second electrostatic layers 13 and 23 is made of polyimide having a porous structure, and the other is made of polyamide.

[0045] This makes it possible to improve the generated voltage and further increase the amount of power generated.

[0046] It is also preferable that the first connecting conductor 30 and the second connecting conductor 40 each have a pair of penetrating portions 31, 41 that penetrate other portions of the plurality of first sheet members 10 and the plurality of second sheet members 20 in the stacking direction, and connecting portions 32, 42 that extend along the surface direction of the first sheet member 10 and the surface direction of the second sheet member 20 and connect the base ends of the pair of penetrating portions 31, 41 to each other.

[0047] This makes it possible to connect the multiple first electrode layers 12 to the first connecting conductor 30 by passing the through portions 31 of the first connecting conductor 30 through the multiple stacked first sheet members 10, and to connect the multiple second electrode layers 22 to the second connecting conductor 40 by passing the through portions 41 of the second connecting conductor 40 through the multiple stacked second sheet members 20, thereby making it possible to easily connect the multiple first electrode layers 12 to the first connecting conductor 30 and the multiple second electrode layers 22 to the second connecting conductor 40.

[0048] It is also preferable that the device comprises a first conducting wire 70 connected to the first connecting conductor 30 and a second conducting wire 80 connected to the second connecting conductor 40, the first conducting wire 70 being sandwiched between the connecting portion 32 of the first connecting conductor 30 and the first sheet member 10, and the second conducting wire 80 being sandwiched between the connecting portion 42 of the second connecting conductor 40 and the second sheet member 20.

[0049] This makes it possible to easily connect the first connecting conductor 30 to the first conducting wire 70 and to connect the second connecting conductor 40 to the second conducting wire 80.

[0050] Second Embodiment 5 is an exploded perspective view of a power generating device according to a second embodiment of the present invention, in which the same components as those in the previous embodiment are denoted by the same reference numerals.

[0051] The first connecting conductor 30 and the second connecting conductor 40 constituting the power generation device 1 of this embodiment are thread-like members 33, 43 that respectively stitch together a plurality of first sheet members 10 stacked together with a plurality of first insulating members 50 and a plurality of second sheet members 20 stacked together with a plurality of second insulating members 60.

[0052] The thread-like members 33 and 43 are each made of a twisted wire made by twisting together metal wires such as copper or aluminum, and are electrically conductive.

[0053] The first conductive wire 70 is electrically connected to the first connecting conductor 30 while being sandwiched between the outer surface of the first sheet member 10 located at the outermost position in the stacking direction among the multiple stacked first sheet members 10 and the thread-like member 33.

[0054] The second conductive wire 80 is electrically connected to the second connecting conductor 40 while being sandwiched between the outer surface of the second sheet member 20 located at the outermost position in the stacking direction among the multiple stacked second sheet members 20 and the thread-like member 43.

[0055] As described above, according to the power generation device 1 of this embodiment, as in the above embodiment, the first connecting conductor 30 is made to penetrate a plurality of first sheet members 10 in the stacking direction, and the second connecting conductor 40 is made to penetrate a plurality of second sheet members 20 in the stacking direction, thereby making it possible to connect the first connecting conductor 30 to a plurality of first electrode layers 12 and to connect the second connecting conductor 40 to a plurality of second electrode layers 22, thereby making it possible to easily electrically connect a plurality of first electrode layers 12 and a plurality of second electrode layers 22.

[0056] Moreover, the first connecting conductor 30 and the second connecting conductor 40 are preferably conductive thread-like members 33, 43 that stitch together the plurality of first sheet members 10 and the plurality of second sheet members 20, respectively.

[0057] This makes it possible to connect multiple first electrode layers 12 to the first connecting conductor 30 by sewing together multiple stacked first sheet members 10 with thread-like members 33, and to connect multiple second electrode layers 22 to the second connecting conductor 40 by sewing together multiple stacked second sheet members 20 with thread-like members 43, thereby making it possible to easily connect multiple first electrode layers 12 to the first connecting conductor 30, and multiple second electrode layers 22 to the second connecting conductor 40.

[0058] It is also preferable that the conductor comprises a first conducting wire 70 connected to the first connecting conductor 30 and a second conducting wire 80 connected to the second connecting conductor 40, the first conducting wire 70 being sandwiched between the thread-like member 33 constituting the first connecting conductor 30 and the first sheet member 10, and the second conducting wire 80 being sandwiched between the thread-like member 43 constituting the second connecting conductor 40 and the second sheet member 20.

[0059] This makes it possible to easily connect the first connecting conductor 30 to the first conducting wire 70 and to connect the second connecting conductor 40 to the second conducting wire 80.

[0060] Third Embodiment 6 is a cross-sectional view of a power generating device showing a third embodiment of the present invention, in which the same components as those in the previous embodiment are denoted by the same reference numerals.

[0061] The power generator 1 of this embodiment includes a spacing member 90 that maintains the spacing between the first sheet member 10 and the second sheet member 20 that face each other in the stacking direction.

[0062] The spacing member 90 is an insulating plate-like member having a width of, for example, 0.5 mm to 10 mm, and a length dimension that is substantially the same as the short-side dimension of the first sheet member 10 and the second sheet member 20. The thickness dimension of the spacing member 90 is, for example, half or less of the thickness dimension of the first insulating member 50 and the thickness dimension of the second insulating member 60.

[0063] The spacing members 90 are disposed between the second sheet member 20, which faces one side in the stacking direction, and the first sheet member 10, which faces one side in the stacking direction, and between the second sheet member 20, which faces the one side in the stacking direction, and the first sheet member 10, which faces the one side in the stacking direction, and the second sheet member 20, which faces the one side in the stacking direction, and the spacing members 90 are fixed to the end of the first sheet member 10, which faces the second insulating member 60, and the end of the second sheet member 20, which faces the first insulating member 50.

[0064] In the power generation device 1 configured as described above, in the first state in which no external force is acting in a direction pressing the first charged layer 13 and the second charged layer 23 against each other, the spacing member 90 restricts contact between the end side of the first sheet member 10 located on the second insulating member 60 side and the second sheet member 20 that faces one side in the stacking direction, and between the end side of the second sheet member 20 located on the first insulating member 50 side and the first sheet member 10 that faces one side in the stacking direction.

[0065] As described above, according to the power generation device 1 of this embodiment, as in the above embodiment, the first connecting conductor 30 is made to penetrate a plurality of first sheet members 10 in the stacking direction, and the second connecting conductor 40 is made to penetrate a plurality of second sheet members 20 in the stacking direction, thereby making it possible to connect the first connecting conductor 30 to a plurality of first electrode layers 12 and to connect the second connecting conductor 40 to a plurality of second electrode layers 22, thereby making it possible to easily electrically connect a plurality of first electrode layers 12 and a plurality of second electrode layers 22.

[0066] It is also preferable that the sheet has a spacing member 90 that maintains the distance between the first sheet member 10 and the second sheet member 20 that face each other in the stacking direction, and that the spacing member 90 is provided between the end side of the first sheet member 10 that faces the second insulating member 60 and the second sheet member 20 that faces each other in the stacking direction, and between the first sheet member 10 that faces each other in the stacking direction and the end side of the second sheet member 20 that faces the first insulating member 50.

[0067] As a result, in the first state in which no external force is acting in a direction pressing the first charged layer 13 and the second charged layer 23 against each other, contact between the end side of the first sheet member 10 located on the second insulating member 60 side and the second sheet member 20 facing one side in the stacking direction, and contact between the end side of the second sheet member 20 located on the first insulating member 50 side and the first sheet member 10 facing one side in the stacking direction are restricted, thereby suppressing the elimination of the charged state in the first charged layer 13 and the second charged layer 23, thereby making it possible to improve power generation efficiency.

[0068] In the third embodiment, the spacing member 90 is disposed between the second sheet member 20 that faces the end of the first sheet member 10 that faces the second insulating member 60 on one side in the stacking direction, and between the first sheet member 10 that faces the end of the second sheet member 20 that faces the first insulating member 50 on one side in the stacking direction, but this is not limited to this. It is sufficient that the spacing member 90 is provided at least either between the second sheet member 20 that faces the end of the first sheet member 10 that faces the second insulating member 60 on at least one side in the stacking direction, or between the first sheet member 10 that faces the end of the second sheet member 20 that faces the first insulating member 50 on at least one side in the stacking direction.

[0069] 7, the power generator 1 may have the spacing member 90 disposed only between the second sheet member 20 that faces one side in the stacking direction and the end of the first sheet member 10 that is located on the second insulating member 60 side. This power generator 1 also makes it possible to improve the power generation efficiency compared to a power generator that does not have the spacing member 90.

[0070] 8, the power generating device 1 may have spacing members 90 disposed between the second sheet members 20 that face, in both directions in the stacking direction, the end of the first sheet member 10 that faces the second insulating member 60, and between the first sheet members 10 that face, in both directions in the stacking direction, the end of the second sheet member 20 that faces the first insulating member 50. This power generating device 1 can restrict contact between the second sheet members 20 that face, in both directions in the stacking direction, the end of the first sheet member 10 that faces the second insulating member 60, and the first sheet members 10 that face, in both directions in the stacking direction, the end of the second sheet member 20 that faces the first insulating member 50, and thus can further improve power generation efficiency.

[0071] The following describes the results of power generation tests carried out on the power generation device 1 not equipped with the spacing member 90 and the power generation device 1 equipped with the spacing member 90 shown in FIGS.

[0072] The power generation test was carried out using a vertical presser and an oscilloscope.

[0073] The vertical presser is equipped with an air cylinder driven by compressed air.

[0074] A pressing part is provided at the tip of the piston rod of the air cylinder, which applies a compressive force in the thickness direction of the power generation device 1. The pressing part has a square plane with one side measuring 30 mm.

[0075] The air cylinder is fixed to the main body of the vertical presser with its axial direction facing up and down and its pressing part facing downward. By driving the air cylinder with the power generator 1 positioned below its pressing part, the vertical presser applies a load of 16 kg to the power generator 1 with the pressing part, and releases the load 0.3 seconds after the load application begins.

[0076] In the power generation test, the voltage was measured using an oscilloscope when the vertical presser started to apply a load to the power generation device 1 and when the load was released, and the power generation output per second was calculated based on the following formula.

[0077]

number

[0078] In the above equation, P is the power generation output (W), V is the measured voltage (V), R is the oscilloscope probe resistance (Ω), and t is the measurement time during power generation.

[0079] As a result of the power generation test, the power generation output of the power generation device 1 not equipped with the spacing maintaining members 90 was 174 μW. On the other hand, the power generation output of the power generation device 1 equipped with the spacing maintaining members 90 arranged as shown in FIG. 6 was 699 μW. Furthermore, the power generation output of the power generation device 1 equipped with the spacing maintaining members 90 arranged as shown in FIG. 7 was 385 μW. Furthermore, the power generation output of the power generation device 1 equipped with the spacing maintaining members 90 arranged as shown in FIG. 8 was 731 μW. In other words, the power generation test confirmed that the power generation output of the power generation device 1 equipped with the spacing maintaining members 90 shown in FIGS. 6 to 8 was higher than that of the power generation device 1 not equipped with the spacing maintaining members 90. [Explanation of symbols]

[0080] 1. Power generating equipment 10 First sheet member 12 1st electrode layer 13 First charged layer 20 second sheet member 22 Second electrode layer 23 Second charged layer 30 First connecting conductor 31 Penetration 32 Connecting part 33 Thread-like member 40 Second connecting conductor 41 Penetration 42 Connecting part 43 Thread-like member 50 First insulating member 60 Second insulating member 70 1st conductor 80 Second conductor 90 Spacing member

Claims

1. A power generating device comprising a plurality of first sheet members, a plurality of second sheet members, a first connecting conductor, and a second connecting conductor, the first sheet member has a first electrostatic layer on the outer surface side of the first electrode layer, the second sheet member has a second electrostatic layer on the outer surface side of the second electrode layer, a portion of each of the plurality of first sheet members and a portion of each of the plurality of second sheet members are alternately stacked, so that the first charged layer and the second charged layer face each other; the power generation device generates electricity by a change in a contact state between the first charged layer and the second charged layer, the first connection conductor passes through other portions of each of the plurality of first sheet members and is connected to the first electrode layer of each of the plurality of first sheet members; The second connection conductor passes through other portions of each of the plurality of second sheet members and is connected to the second electrode layer of each of the plurality of second sheet members. Power generation equipment.

2. a first insulating member surrounding an outer periphery of the first connecting conductor located between the plurality of first sheet members; a second insulating member surrounding an outer periphery of the second connecting conductor located between the plurality of second sheet members; The power generating device according to claim 1 .

3. A ratio Ti1 / Ts2 of a thickness Ti1 of the first insulating member to a thickness Ts2 of the second sheet member, and a ratio Ti2 / Ts1 of a thickness Ti2 of the second insulating member to a thickness Ts1 of the first sheet member are each 0.8 or more and 1.2 or less. The power generating device according to claim 2 .

4. One of the first and second charging layers is made of polyimide having a porous structure, and the other is made of polyamide. The power generating device according to claim 1 .

5. The first connecting conductor and the second connecting conductor each have: a pair of through-holes that penetrate other portions of the plurality of first sheet members and the plurality of second sheet members in a stacking direction; a connecting portion extending along the surface direction of the first sheet member and the surface direction of the second sheet member and connecting the base ends of the pair of through portions to each other. The power generating device according to claim 1 .

6. a first conducting wire connected to the first connecting conductor; a second conducting wire connected to the second connecting conductor, the first conducting wire is sandwiched between the coupling portion of the first connecting conductor and the first sheet member, The second conducting wire is sandwiched between the coupling portion of the second connecting conductor and the second sheet member. The power generating device according to claim 5 .

7. The first connecting conductor and the second connecting conductor are conductive thread-like members that stitch together the first sheet members and the second sheet members, respectively. The power generating device according to claim 1 .

8. a first conducting wire connected to the first connecting conductor; a second conducting wire connected to the second connecting conductor, the first conducting wire is sandwiched between a thread-like member constituting the first connecting conductor and the first sheet member, The second conducting wire is sandwiched between the thread-like member constituting the second connecting conductor and the second sheet member. The power generating device according to claim 7.

9. a spacing member for maintaining a spacing between the first sheet member and the second sheet member facing each other in the stacking direction; The spacing member is provided at least either between the first sheet member and the second sheet member that faces an end side of the first sheet member that is located on the second insulating member side in at least one direction in the stacking direction, or between the second sheet member and the first sheet member that faces an end side of the second sheet member that is located on the first insulating member side in at least one direction in the stacking direction. The power generating device according to claim 2 .

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