Fin type independent layer friction nanometer generator with adjustable angle

Abstract

The invention relates to the technical field of friction nano-generators, in particular to an angle-adjustable fin type independent layer friction nano-generator. The fin type independent layer friction nanometer generator comprises a fixed assembly and a sliding assembly. The side, facing the fixed assembly, of the sliding assembly is provided with two first side walls with an adjustable included angle, and the two first side walls are used for forming a fin type structure. The side, facing the sliding assembly, of the fixed assembly is provided with two second side walls with the included angle capable of moving along with the first side walls, the second side walls are used for forming canyons matched with the fin-type structures, the fin-type structures are inserted into the canyons, and gaps are formed between the fin-type structures and the canyons. At least one dielectric material is attached to each first side wall, and at least two electrode materials with the electronegativity different from that of the dielectric materials are attached to each second side wall. By arranging the fin type structure and the canyon matched with the fin type structure, the fin type structure and the canyon can be mutually limited, so that the stability and repeatability of the constructed fin type independent layer friction nanometer generator during power generation are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of friction nanogenerator, in particular to a fin type independent layer friction nanogenerator with adjustable angle. BACKGROUND

[0002] It has been considered as an important supplement to traditional fuel supply to obtain energy from the natural environment. It not only can meet the growing demand for electricity in modern society, but also can solve the problem that the transmission energy cannot realize the energy supply for mobile electronic products. Among all the energies, mechanical energy is concerned, mainly because of the wide availability and high operability of mechanical energy. Among them, the friction nanogenerator gradually attracts people's attention in mechanical energy collection because of its unique advantages such as large output power, high efficiency, low cost, low weight and simple manufacturing. Now people have developed many operating modes of friction nanogenerator to adapt to different working scenes. Among all the operating modes, the independent layer friction nanogenerator is concerned by many people because of its high energy conversion rate.

[0003] When people study the power generation performance of the independent layer friction nanogenerator through experiments, they need to design friction nanogenerators with different structures to obtain the maximum output performance. However, in the existing independent layer friction nanogenerator, the electrodes on the two opposite surfaces of the two panels are generally rubbed or electrostatically induced to generate current when exploring the power generation performance. The independent layer friction nanogenerator with this structure has poor power generation performance, and because the induced current generated by the independent layer friction nanogenerator is small, the stability and repeatability of the existing independent layer friction nanogenerator in the exploratory experiment are poor.

[0004] In addition, when the existing technology explores the power generation performance of the independent layer friction nanogenerator, it generally builds multiple groups of independent layer friction nanogenerators with different structures, so that they form a control group with each other. Then multiple groups of independent layer friction nanogenerators are experimented respectively, and finally the group of independent layer friction nanogenerator with the best output performance is selected, and the structure of the selected group of independent layer friction nanogenerator is used as a reference for mass production. This exploration method needs to build multiple groups of independent layer friction nanogenerators, which not only needs to spend a lot of time to disassemble and assemble the independent layer friction nanogenerator, but also cannot effectively control the precision error of the multiple groups of independent layer friction nanogenerators built, thereby bringing uncertainty to the results of the experiment of exploring the performance of independent layer friction nanogenerators with different structures. In addition, this method of building multiple groups of independent layer friction nanogenerators consumes a lot of experimental materials, and constantly disassembling and assembling the built independent layer friction nanogenerator also prolongs the experimental time, thereby affecting the progress of the experiment. SUMMARY

[0005] In order to solve the poor stability and repeatability of the exploration experiment of the independent layer friction nanogenerator in the exploration of the power generation performance by the prior art, the application provides an angle-adjustable fin-type independent layer friction nanogenerator.

[0006] The application adopts the following technical scheme: an angle-adjustable fin-type independent layer friction nanogenerator, which comprises a fixed assembly and a sliding assembly slidingly installed on the fixed assembly; the side of the sliding assembly facing the fixed assembly is provided with two side walls one with adjustable angles, which are used to form a fin structure; the side of the fixed assembly facing the sliding assembly is provided with two side walls two with adjustable angles which can follow the side walls one; the two side walls two are used to form a canyon which is matched with the fin structure; the fin structure is inserted into the canyon and a gap is formed between the fin structure and the canyon;

[0007] At least one dielectric material is attached to each side wall one along the horizontal direction thereof; at least two electrode materials with different electronegativity from the dielectric material are attached to each side wall two; each electrode material is arranged along the horizontal direction of the side wall two, and the two electrode materials on the same side wall two are arranged in sequence along the extension direction of the fin structure; the fixed assembly reciprocates in the canyon along the extension direction of the fin structure, so that the dielectric material can generate electrostatic induction on the two electrode materials, thereby realizing the generation of electric current.

[0008] As a further improvement of the application, the fixed assembly comprises a base and two panels one rotatably installed on the base; the two side walls two are the two side walls opposite to the two panels one, so that the canyon is formed between the two panels one; each panel one is connected with a driving assembly one, which is used to adjust the angle between the panel one and the base and to limit the panel one after the angle is adjusted, thereby realizing the adjustment of the angle of the canyon.

[0009] As a further improvement of the application, the sliding assembly is arranged on the side of the base where the panel one is installed and located between the two panels one. The sliding assembly comprises a driving assembly two and two panels two; the two panels two are used to form the fin structure. At least two mounting parts are slidingly installed on the base, the two mounting parts are arranged in parallel along the horizontal direction of the base, and each mounting part can slide along the front-back direction of the base. One end of each panel two is rotatably installed on the mounting part, and each panel two is aligned with and parallel to each panel one. The mounting part is used to limit the fin structure after the adjustment of the driving assembly two. The driving assembly two is arranged between the two panels two, and the two ends of the driving assembly two are respectively hinged to the two panels two. The driving assembly two is used to adjust the angle between the two panels two, so that when the angle of the canyon changes, the fin structure can also follow.

[0010] As a further improvement of the present application, the mounting portion comprises a pair of fixing blocks and a rotating rod mounted between the pair of fixing blocks, the pair of fixing blocks are arranged in parallel along the extending direction of the fin structure, the two ends of the rotating rod are rotatably mounted on the two fixing blocks respectively, the bottom part of the second panel is fixedly connected with the rotating rod, a straight gear is fixedly mounted on the rotating rod, and the straight gears on the two rotating rods are in mesh with each other.

[0011] As a further improvement of the present application, the second driving assembly comprises a driving screw and at least one driven screw, the driven screw is arranged on the left side of the driving screw in horizontal symmetry, one end of the driven screw on the left side is threadedly connected with the driving screw, and the other end of the driven screw on the left side is hingedly connected with the second panel on the left side; the driven screw on the right side is arranged on the right side of the driving screw in horizontal symmetry, one end of the driven screw on the right side is threadedly connected with the driving screw, and the other end of the driven screw on the right side is hingedly connected with the second panel on the right side; the driving screw is rotated to drive the two driven screws to synchronously extend or synchronously retract in the horizontal direction, so as to synchronously adjust the rotation angle of the two second panels relative to the vertical direction.

[0012] As a further improvement of the present application, the first driving assembly comprises a driving member and at least one connecting rod, the driving member is fixedly mounted on the base and can reciprocate along the horizontal direction of the base; one end of the connecting rod is hingedly connected with the side of the first panel opposite to the electrode material, and the other end of the connecting rod is hingedly connected with the driving member, the connecting rod is used for transmitting the reciprocating movement of the driving member in the horizontal direction, so as to adjust the included angle between the first panel and the vertical direction.

[0013] As a further improvement of the present application, the fin-shaped independent layer frictional nanogenerator further comprises a lifting assembly, the fixing assembly is mounted on the lifting assembly through the mounting portion, the lifting assembly is slidingly mounted on the base and can drive the fixing assembly to reciprocate along the extending direction of the fin structure; the lifting assembly is used for driving the fixing assembly to move along the vertical direction of the base to adjust the distance between the second panel and the first panel.

[0014] As a further improvement of the present application, the second driving assembly further comprises a rotating ring and at least two hollow support members, the rotating ring is fixedly mounted on the middle part of the driving screw; the two support members are arranged on the two sides of the rotating ring, one end of the support member is sleeved on the driving screw through a bearing, and the other end of the support member is sleeved on the driven screw close to the second panel through a bearing; the support member comprises a plurality of sleeves connected in sequence; the diameters of the plurality of sleeves gradually decrease from the driving screw to the driven screw.

[0015] As a further improvement of the present application, the driving member is a screw rod, the base is provided with a limiting block with a threaded hole, the screw rod passes through the threaded hole along the horizontal direction of the base and is hingedly connected with the end of the connecting rod away from the first panel, the screw rod reciprocates along the horizontal direction of the base and drives the first panel to rotate around the hinged point between the first panel and the base through the connecting rod.

[0016] As a further improvement of the present application, the number of connecting rods is two, and the two connecting rods are symmetrically arranged on the panel one along the front-rear direction of the base; the driving member further comprises a sliding rod and a connecting block; the sliding rod is arranged along the front-rear direction of the base and can slide along the horizontal direction of the base; the two ends of the sliding rod are respectively hinged to connect the two connecting rods; and the connecting block is installed on the middle part of the sliding rod and fixedly connected with the screw rod.

[0017] The technical scheme provided by the present application has the following beneficial effects:

[0018] (1) The angle-adjustable fin-type independent layer friction nanogenerator provided by the present application can effectively improve the breakdown voltage and output performance of the constructed independent layer friction nanogenerator by setting the independent layer into a fin-type structure. Furthermore, in the present scheme, the fin-type structure and the canyon are limited to each other by setting the fin-type structure and the canyon to match each other, so as to improve the stability of the fin-type structure sliding in the canyon, thereby improving the stability of the constructed fin-type independent layer friction nanogenerator during power generation. At the same time, the limitation can also effectively ensure that the fin-type structure will only reciprocate in the canyon, thereby improving the repeatability of the constructed fin-type independent layer friction nanogenerator during power generation.

[0019] (2) The angle-adjustable fin-type independent layer friction nanogenerator provided by the present application designs the included angle of the fin-type structure and the included angle of the canyon to be adjustable. The purpose of this design is that in different application scenarios, the included angle of the fin-type structure will also make the power generation performance of the constructed fin-type independent layer friction nanogenerator different. Therefore, in the actual application process, by setting the included angle of the fin-type structure and the included angle of the canyon to be adjustable, the constructed independent layer friction nanogenerator can adjust the included angle of the fin-type structure and the included angle of the canyon according to different application scenarios during actual application, so that the included angle can be adjusted to the value of the maximum power generation performance in the scenario, thereby improving the power generation performance of the constructed fin-type independent layer friction nanogenerator. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic diagram of the prior art independent layer friction nanogenerator.

[0021] Figure 2 It is a schematic diagram of the angle-adjustable fin-type independent layer friction nanogenerator provided by the present application (when the included angle of the fin-type structure is not adjustable).

[0022] Figure 3 It is a schematic diagram of the angle-adjustable fin-type independent layer friction nanogenerator provided by the present application.

[0023] Figure 4The structural schematic view of the driving assembly provided by the application is installed on the base.

[0024] Figure 5 The partial section schematic view of the angle-adjustable fin-type independent layer friction nanogenerator provided by the application.

[0025] Figure 6 The internal structure schematic view of the driving assembly two when fully expanded.

[0026] In the figure, 101 is a side wall one, 102 is a side wall two, 1 is a base, 11 is a straight gear, 12 is a sliding groove, 13 is a limiting block, 21 is a driving assembly two, 211 is a driving screw rod, 212 is a driven screw rod, 213 is a rotating ring, 214 is a supporting piece, 22 is a panel two, 31 is a driving assembly one, 311 is a driving piece, 312 is a connecting rod, 313 is a sliding rod, 314 is a connecting block, 32 is a panel one, and 40 is a lifting assembly. DETAILED DESCRIPTION

[0027] In the following, the application is further described in conjunction with specific embodiments, and it should be noted that, without conflict, the embodiments described below or the technical features between the embodiments can be combined to form new embodiments.

[0028] In the description of the application, it should be noted that, for orientation words, such as the terms "center", "transverse", "longitudinal", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and cannot be understood as limiting the specific protection scope of the application. The terms "first", "second", and the like in the specification and claims of the application are used to distinguish similar objects, and do not necessarily describe a specific order or sequence. The terms "include" and "have" and their any variations in the specification and claims of the application are intended to cover non-exclusive inclusion, for example, a process, method, system, product, or device that includes a series of steps or units does not necessarily limit to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products, or devices.

[0029] In the study of the power generation performance of the independent layer friction nanogenerator, such as Figure 1As shown, the existing research is generally in two electrode material pasted on the upper side of the plate body one, plate body two side pasted with dielectric material facing plate body one, by driving plate body two back and forth between the two plate body one to move, so that the dielectric material and electrode material between the electrostatic induction or friction electricity to achieve the purpose of generating electricity, so as to explore the independent layer friction nanogenerator power generation performance. The inventor found that the stability and repeatability of the independent layer friction nanogenerator of this structure were poor when generating electricity. Therefore, the inventor found that the independent layer friction nanogenerator was designed as a fin structure and a mutually matching canyon structure, which cooperated with each other. By adjusting the structure of the independent layer friction nanogenerator, the breakdown voltage and output performance of the fin independent layer friction nanogenerator constructed could be effectively increased.

[0030] Based on this, the inventor provides a fin independent layer friction nanogenerator, please refer to Figure 2 which includes a fixed component and a sliding component slidingly installed on the fixed component. The side of the sliding component facing the fixed component is provided with two side walls one 101, which are used to form a fin structure. The side of the fixed component facing the sliding component is provided with two side walls two 102, which are used to form a canyon mutually consistent with the fin structure. The fin structure is inserted into the canyon and a gap is provided between the fin structure and the canyon. The sliding component can reciprocate in the canyon along the extension direction of the fin structure. In this embodiment, the side wall one 101 on the left side of the fin structure is parallel to the side wall two 102 on the left side of the canyon, and the side wall one 101 on the right side of the fin structure is parallel to the side wall two 102 on the right side of the canyon.

[0031] At least one dielectric material is pasted on each side wall one 101 along its horizontal direction, and at least two electrode materials different from the dielectric material are pasted on each side wall two 102. Each electrode material is arranged along the horizontal direction of the side wall two 102, and the two electrode materials on the same side wall two 102 are arranged in sequence along the extension direction of the fin structure. When the fixed component reciprocates in the canyon along the extension direction of the fin structure, the dielectric material can reciprocate between the two electrode materials, so that the dielectric material can generate electrostatic induction on the two electrode materials respectively, and then realize the generation of electric current.

[0032] In the above scheme, the inventors set the fin structure and the canyon that match each other, so that the fin structure and the canyon can limit each other, to improve the stability of the fin structure sliding in the canyon, thereby improving the stability of the fin independent layer friction nanogenerator for generating electricity.

[0033] Based on this, the inventors further studied the fin independent layer friction nanogenerator with the above structure. In further research, the applicant found that the angle between the fin structure and the canyon of the fin independent layer friction nanogenerator with the above structure can be designed to be adjustable. The purpose of this design is that in different application scenarios, the different angles of the fin structure will also make the power generation performance of the fin independent layer friction nanogenerator different. Therefore, in actual application, by setting the angle of the fin structure and the angle of the canyon to be adjustable, the independent layer friction nanogenerator constructed can adaptively adjust the angle of the fin structure and the angle of the canyon according to different application scenarios when it is used in practical application, so that its angle can be adjusted to the value of the maximum power generation performance in the scenario, thereby improving the power generation performance of the fin independent layer friction nanogenerator constructed.

[0034] In addition, by setting the angle of the fin structure and the angle of the canyon of the fin independent layer friction nanogenerator with the above structure to be adjustable, the fin independent layer friction nanogenerator constructed in the present scheme can also adjust the angle of the fin structure according to the requirements of the angle of the fin structure in the actual application scenario when it is used for power generation, and the angle of the canyon will also follow the change of the angle of the fin structure, so that the two side walls one 101 of the fin structure are always parallel to the two side walls two 102 constituting the canyon. Thus, the fin independent layer friction nanogenerator in the present scheme can convert as much external energy as possible into electrical energy to improve its power generation performance.

[0035] The applicant provides a specific structure of the adjustable-angle fin independent layer friction nanogenerator based on the above theory, please refer to Figures 3 to 5The application relates to a fixed and sliding assembly, which comprises a fixed assembly and a sliding assembly slidably mounted on the fixed assembly. The fixed assembly comprises a base 1 and two panel I 32 rotatably mounted on the base 1. One end of the two panel I 32 is rotatably mounted on the base 1, and the other end of the two panel I 32 is expanded outwardly so that a canyon can be formed between the two panel I 32. A driving assembly I 31 is connected to each panel I 32, which is used for adjusting the included angle between the panel I 32 and the base 1 and limiting the adjusted panel I 32, so as to adjust the included angle of the canyon formed between the two panel I 32.

[0036] The sliding assembly is mounted on one side of the base 1 where the panel I 32 is mounted and between the two panel I 32, please refer to Figure 3 and Figure 5As shown, the sliding assembly comprises the driving assembly two 21 and two panels two 22 for forming a fin structure. The fin structure formed by the two panels two 22 is inserted into the canyon. The base 1 is detachably mounted with at least two mounting portions, the two mounting portions are arranged in parallel along the horizontal direction of the base 1 and each mounting portion can slide along the front-back direction of the base 1. One end of each panel two 22 is rotatably mounted on the mounting portion, and each panel two 22 is aligned with and parallel to each panel one 32. The mounting portion is used to limit the fin structure after the adjustment of the driving assembly two 21. The driving assembly two 21 is arranged between the two panels two 22, and the two ends of the driving assembly two 21 are respectively hingedly connected to the two panels two 22. Specifically, the left side of the driving assembly two 21 is hingedly connected to the left panel two 22, and the right side of the driving assembly two 21 is hingedly connected to the right panel two 22. The connection points of the driving assembly two 21 and the two panels two 22 are located on the same horizontal plane in the horizontal direction of the base 1, so that the driving assembly two 21 and the two panels two 22 form an inverted isosceles triangle structure. In this embodiment, the driving assembly two 21 can synchronously drive the two panels two 22 to rotate with the rotation point of the panel two 22 and the mounting seat as the center, so that the two panels two 22 can rotate in opposite directions at the same angular velocity, thereby realizing synchronous adjustment of the included angle between the two panels two 22. Further, when the included angle of the canyon changes, the fin structure can also follow. In this embodiment, by arranging the driving assembly one 31 and the driving assembly two 21, the included angle between the two panels one 32, i.e. the included angle of the canyon, is adjusted by the driving assembly one 31. The included angle between the two panels two 22, i.e. the included angle of the fin structure, is adjusted by the driving assembly two 21. Thus, the fin-shaped independent layer friction nanometer generator constructed in this scheme can adjust the angles of the fin structure and the canyon according to the actual use scene, thereby meeting the needs of different use scenes. In addition, when exploring the breakdown voltage and power generation performance of the fin-shaped independent layer friction nanometer generator with the above structure, only one driving assembly two 21 is needed to synchronously adjust the included angle between the two panels two 22 and the vertical direction, thereby meeting the needs of being able to adjust the included angle of the fin structure at will during the experiment of exploring the power generation performance of the constructed fin-shaped independent layer friction nanometer generator, so as to construct different groups of fin structures with different included angles. This effectively solves the problem in the prior art that multiple groups of friction nanometer generators with different included angles need to be built to perform the above exploration experiment. Moreover, the above adjustment process can adjust the included angle between the two panels two 22 by one driving assembly two 21, so that the inclination angle of the two panels two 22 with the vertical direction is as consistent as possible, thereby reducing the interference of other factors on the power generation performance of the constructed friction nanometer generator during the experiment.

[0037] In the above structure, the dielectric material is attached to one side of the second panel 22 facing the first panel 32, and two electrode materials are respectively attached to one side of the second panel 22 facing the first panel 32, each electrode material is arranged along the horizontal direction of the base 1, and the two electrode materials on the same second panel 22 are arranged in parallel along the extension direction of the fin structure (i.e. the front-rear direction of the base 1) and a gap is provided between the two electrode materials.

[0038] In the actual power generation process, by driving the sliding assembly to reciprocate along the front-rear direction of the base 1, the dielectric material on the second panel 22 can reciprocate between the two electrode materials, thereby realizing that the fin independent layer friction nanogenerator can continuously generate and output current. In this embodiment, a plurality of dielectric materials can be attached to the second panel 22, and the number of electrode materials attached to the first panel 32 is twice the number of dielectric materials, so that the second panel 22 and the first panel 32 can form a plurality of power generation units of gate structure, thereby enhancing the power generation effect of the fin independent layer friction nanogenerator constructed in this scheme.

[0039] In the actual application process, a plurality of dielectric materials can be attached to the second panel 22, and a plurality of electrode materials can be attached to the first panel 32. For example, three dielectric materials are attached to the second panel 22, and six electrode materials are attached to the first panel 32, thereby constructing 3 groups of power generation units. Each dielectric material is attached to the second panel 22 along the horizontal direction of the base 1, and the three dielectric materials can be arranged on the second panel 22 in sequence along the front-rear direction of the base 1. Each electrode material can be attached to the first panel 32 along the horizontal direction of the base, and the six electrode materials can be arranged on the first panel 32 in sequence along the front-rear direction of the base 1, thereby forming a plurality of power generation units of gate structure.

[0040] Please refer to Figure 3 , Figure 5 and Figure 6The driving assembly two 21 comprises a driving screw rod 211 and at least one pair of driven screw rods 212. The driving screw rod 211 is a hollow structure. The pair of driven screw rods 212 can be two. The pair of driven screw rods 212 are symmetrically arranged on the two sides of the driving screw rod 211. The outer wall of one end of the left driven screw rod is threadedly connected with the inner wall of the right side of the driving screw rod 211, and the other end of the driven screw rod 212 is hingedly connected with the left panel two 22. The outer wall of one end of the right driven screw rod is threadedly connected with the inner wall of the right side of the driving screw rod 211, and the other end of the driven screw rod 212 is hingedly connected with the right panel two 22. In the actual adjustment process, when the driving screw rod 211 is rotated clockwise, the two driven screw rods 212 can move away from each other along the axial direction of the driving screw rod 211, so that the two driven screw rods 212 respectively stretch out from the inside to the outside of the driving screw rod 211, and the two driven screw rods 212 respectively push the two panel twos 22 to rotate outward, so that the included angle between the two panel twos 22 increases, that is, the included angle of the fin structure increases. When the driving screw rod 211 is rotated counterclockwise, the two driven screw rods 212 can move towards each other along the axial direction of the driving screw rod 211, so that the two driven screw rods 212 respectively shrink into the driving screw rod 211. At this time, under the action of the two driven screw rods 212, the two panel twos 22 are pulled to rotate inward, so that the included angle between the two panel twos 22 becomes smaller, that is, the included angle of the fin structure decreases. In actual application, only by rotating the driving screw rod 211 counterclockwise or clockwise can the included angle between the two panel twos 22 be adjusted synchronously to realize the construction of a fin independent layer friction nanometer generator with different included angles, so as to realize the influence of the fin independent layer panel with different included angles on the power generation performance of the independent layer friction nanometer generator. This design can avoid the influence of the slight differences in the structures of multiple fin independent layer friction nanometer generators on the experimental results when exploring the influence of the fin independent layer panel with different included angles on the power generation performance of the independent layer friction nanometer generator, thereby improving the accuracy of the experimental results of the fin independent layer friction nanometer generator in the present scheme when exploring the influence of the fin independent layer panel with different included angles on the power generation performance. In addition, the fin independent layer friction nanometer generator of the present scheme can adjust the included angle of the constructed fin independent layer panel without disassembly to meet the experimental requirements of exploring the power generation performance of the fin independent layer friction nanometer generator. This disassembly-free method can also save experimental materials, shorten the experimental time of the exploration experiment, and improve the experimental progress.

[0041] In the embodiment, the number of driven screw rods 212 can be set according to the actual demand in the process of exploration experiment. For example, when the range of the included angle between the two panels 22 needs to be explored is relatively large, the problem can be solved by selecting a driven screw rod 212 with a relatively long length or increasing the number of driven screw rods 212. In the embodiment, the number of driven screw rods 212 on the same side can be three, which are sequentially named as driven screw rod one, driven screw rod two and driven screw rod three. The driven screw rod one and the driven screw rod two can be hollow structures, and the inner and outer walls are provided with threads. The outer wall of the end of the driven screw rod one close to the driving screw rod 211 is threadedly connected with the inner wall of the driving screw rod 211. The outer wall of the end of the driven screw rod two close to the driven screw rod one is threadedly connected with the inner wall of the end of the driven screw rod one away from the driving screw rod 211. The outer wall of the end of the driven screw rod three close to the driven screw rod two is threadedly connected with the inner wall of the end of the driven screw rod two away from the driven screw rod one, and the other end of the driven screw rod three can be hingedly connected with the panel two 22. In actual use, when the driving screw rod 211 is rotated clockwise, the three driven screw rods 212 on the left side can be sequentially extended outward, and the three driven screw rods 212 on the right side can also be sequentially extended outward. In the extension process of the three driven screw rods 212, specifically, when the driving screw rod 211 is rotated clockwise, the driven screw rod one drives the driven screw rod two and the driven screw rod three to extend outward, when the driven screw rod one extends to the longest position, the driven screw rod one rotates together with the driving screw rod 211, thereby driving the driven screw rod two to drive the driven screw rod three to extend outward. By analogy, until the three driven screw rods 212 all extend to the longest position. Through this setting, the adjustment range of the entire driving assembly two 21 can be increased. At the same time, the driving screw rod 211 and the driven screw rod 212 can realize accurate adjustment of the included angle between the two panels two 22 and can be locked and fixed after adjustment, thereby improving the stability after adjustment.

[0042] The driving assembly two 21 further comprises a rotating ring 213 and at least two hollow support members 214, and the rotating ring 213 is fixedly installed on the middle part of the driving screw rod 211. In actual application, the driving screw rod can be rotated through the rotating ring. The two support members 214 are arranged on the two sides of the rotating ring 213, one end of the support member 214 is sleeved on the driving screw rod 211 through a bearing, and the other end of the support member 214 is sleeved on the driven screw rod 212 close to the panel two 22 through a bearing and is hingedly connected with the panel two 22. The support member 214 comprises a plurality of sleeves which are sequentially connected. The diameters of the plurality of sleeves gradually decrease from the driving screw rod 211 to the driven screw rod 212, the number of the sleeves can match the total number of the driving screw rod 211 and the driven screw rod 212, and the inner diameter of each sleeve sleeved on the driven screw rod 212 is greater than the outer diameter of the driven screw rod 212 inside. It can be understood that please refer to the description of the driving assembly one 11 for the specific structure of the support member 214. Figure 6As shown, the support member 214 can be formed by four sleeves being arranged in sequence. Figure 4 Taking the support member 214 in the middle left portion as an example, a gap is provided between the end of the rightmost sleeve close to the rotating ring 213 and the rotating ring 213, and the inner wall thereof can be connected to the outer wall of the driving screw 211 by a bearing. The end of the leftmost sleeve away from the left second sleeve can be connected to the panel 22, and the driven screw 212 inside it can be hinged to the leftmost sleeve. In this embodiment, by providing a support member 214 formed by a plurality of sleeves, the strength of the entire driving assembly 21 can be effectively enhanced, and the driven screw 212 can be prevented from bending during telescopic movement, thereby greatly improving the stability and consistency of the synchronous adjustment of the vertical tilt angle of the two panels 22 by the cooperation between the driving screw 211 and the driven screw 212.

[0043] The mounting portion includes a pair of fixed blocks and a rotating rod mounted between the pair of fixed blocks. The pair of fixed blocks are arranged parallel to the extension direction of the fin-shaped structure. Two fixed blocks are rotatably mounted on each end of the rotating rod. The bottom of the panel 2 is fixedly connected to the rotating rod, so that when the driving assembly 21 drives the panel 22 to rotate, the panel 22 can rotate with the rotating rod as the rotating axis. A spur gear 11 is fixedly mounted on the rotating rod, and the spur gears 11 on the two rotating rods are meshed with each other. In this embodiment, by providing a pair of meshing spur gears 11, it is possible to achieve that when one panel 2 22 rotates, the other panel 2 22 will also move with it under the meshing of the pair of meshing spur gears 11, so that the two panels 2 22 rotate at the same angle. In addition, in this embodiment, by providing two pairs of meshing spur gears 11, a triangular structure is formed between the contact points between the two pairs of spur gears 11 and the upper drive assembly 2 21 and the panel 2 22. This design can effectively ensure the stability of the panel 2 22 during rotation and prevent it from twisting in the plane during rotation. Furthermore, the two panels 22 are designed to be meshed with each other so that an inverted triangle structure can be formed between the two panels 22 and the driving assembly 21, thereby preventing the two panels 22 on the sliding assembly from tilting to one side and improving the stability of the entire sliding assembly.

[0044] The fin-type independent layer triboelectric nanogenerator further includes a lifting assembly 40, see Figure 3 and Figure 4The fixed assembly is mounted on the lifting assembly 40 through the mounting portion. The base can be provided with a sliding groove 12, and the bottom of the lifting assembly 40 is slidingly mounted in the sliding groove 12. The lifting assembly 40 is used to drive the two panels two 22 and the driving assembly two 21 to reciprocate along the vertical direction of the base 1, so as to adjust the distance between the panel two 22 and the panel one 32. By arranging the lifting assembly 40, the fin-shaped independent layer friction nanometer generator of the scheme can not only explore the power generation performance of the fin-shaped independent layer friction nanometer generator with different included angles, but also explore the power generation performance of the fin-shaped independent layer friction nanometer generator between the panel two 22 and the panel one 32 at different distances. Thus, the fin-shaped independent layer friction nanometer generator of the scheme can adjust the distance between the panel one 32 and the panel two according to different application scenarios, so as to maximize the power generation performance of the entire fin-shaped independent layer friction nanometer generator. In addition, by arranging the lifting assembly 40, the structure of the independent layer friction nanometer generator can be changed without disassembly during the experimental stage to meet the experimental requirements of exploring the power generation performance of the fin-shaped independent layer friction nanometer generator. This disassembly-free way can also save experimental materials, shorten the experimental time of exploration experiments, and improve the experimental progress.

[0045] The driving assembly one 31 can include a driving piece 311 and at least one connecting rod 312. The driving piece 311 is mounted on the base 1 and reciprocates along the horizontal direction of the base 1. One end of the connecting rod 312 is hingedly connected to the side of the panel one 32 opposite to the electrode material, and the other end of the connecting rod 312 is hingedly connected to the driving piece 311. The driving piece 311 can be a screw rod. The base 1 is provided with a limiting block 13, and a threaded hole is arranged on the limiting block 13 along the horizontal direction of the base 1. One end of the screw rod penetrates through the threaded hole and is connected with the connecting rod 312. Thus, the screw rod is rotated to drive the one end of the connecting rod 312 to reciprocate along the horizontal direction of the base 1. The other end of the connecting rod 312 also pulls the panel one 32 to rotate around the hinged point on the base 1, so as to adjust the inclination angle of the panel one 32 in the vertical direction. The driving assembly one 31 in the embodiment can have the following specific structure, please refer to Figure 4As shown, it comprises a screw rod, a limiting block 13, a sliding rod 313, a connecting block 314 and two connecting rods 312. The limiting block 13 can be a U-shaped structure with the opening facing the panel one 32, and a threaded hole is arranged on the limiting block 13. Two vertical sections of the limiting block 13 are both provided with sliding holes along the horizontal direction of the base 1. Two ends of the sliding rod 313 pass through the two sliding holes respectively and are hingedly connected with one end of the two connecting rods 312 respectively. The other end of the two connecting rods 312 is hingedly connected with the side of the panel one 32 opposite to the electrode material respectively. The connecting block 314 is fixedly installed on the middle part of the sliding rod 313. The screw rod passes through the threaded hole along the horizontal direction of the base 1 and is fixedly connected with the connecting block 314. In this embodiment, the threaded hole on the limiting block 13 can not only fix the screw rod on the base 1, but also lock the screw rod when the driving part 311 adjusts the inclination angle of the panel one 32 in the vertical direction, so that the screw rod does not move and the stability of the whole driving part 311 is improved. In addition, in this embodiment, two nuts can be additionally arranged at both ends of the screw rod along the horizontal direction of the base 1. After the screw rod adjusts the inclination angle of the panel one 32 in the vertical direction, the nuts on both sides of the screw rod can be tightened to increase the locking effect of the screw rod, thereby further improving the stability of the driving part 311. In use, only the screw rod needs to be rotated. The screw rod will push the sliding rod 313 to reciprocate along the horizontal direction of the base 1 through the connecting block 314, and drive the two connecting rods 312 to rotate. The connecting rod 312 will drive the panel one 32 to rotate, so as to adjust the inclination angle of the panel one 32 in the vertical direction, so that the panel one 32 keeps parallel with the panel two 22. In this embodiment, two connecting rods 312 are arranged. A triangle can be formed between each connecting rod 312, the panel one 32 and the base 1, thereby further improving the stability of the adjusted panel one 32.

[0046] The connecting rod 312 described above can be a hollow structure, which can reduce the weight of the connecting rod 312 and avoid the situation that the connecting rod 312 is broken due to its own excessive weight during swinging.

[0047] In this embodiment, the panel two 22 and the panel one 32 can be hingedly connected by hinges at the connection with other components. The material of the panel two 22 and the panel one 32 where the hinges are installed can be polyurethane material. Polyurethane has good tensile strength, tear resistance, impact resistance, wear resistance and the like. By selecting polyurethane material at the hinge installation position of the panel two 22 and the panel one 32, the vibration of the hinge during rotation can be reduced, and the rotation is smoother. The whole frictional nanometer generator has the characteristics of stable movement and low noise during movement.

[0048] The lifting assembly 40 can be a scissor lift arm. Since a scissor lift arm is a common device in the art, no further description of this structure will be given in this embodiment.

[0049] The installation process of the fin-shaped independent layer friction nanogenerator with the specific structure provided above is described as follows: first, the included angle of the canyon to be adjusted is determined, then the included angle of the panel 32 to the vertical direction is adjusted by the driving assembly 31, and the inclination angle of the panel 32 to the vertical direction can be determined by a protractor or other angle measuring device during the adjustment process. The adjustment process of the other panel 32 is the same, and the included angle of the other panel 32 to the vertical direction needs to be adjusted to the same as that of the first panel 32 to the vertical direction. After the angles of the two panels 32 are adjusted, i.e., the included angle of the canyon, the sliding assembly is installed on the base 1, so that the panel 22 faces the panel 32. The included angles of the two panels 22 to the vertical direction are adjusted by the driving assembly 21, so that the included angles of the panels 22 to the vertical direction are the same as the included angles of the panels 32 to the vertical direction. During this adjustment process, the included angles of the panels 22 to the vertical direction can also be determined by a protractor or other angle measuring device. After the included angles of the panels 22 to the vertical direction are adjusted, the entire sliding assembly is moved downward by the lifting assembly 40, so that the panels 22 gradually approach the panels 32, so as to adjust the distance between the panels 22 and the panels 32. Therefore, in this embodiment, the included angles between the two panels 32 can be adjusted by the driving assembly 31, the included angles between the two panels 22 can be synchronously adjusted by the driving assembly 21, and the distance between the panels 22 and the panels 32 can be adjusted by the lifting assembly 40, so that the friction nanogenerator constructed by the present scheme can flexibly adjust the included angles of the two panels 22, i.e., adjust the included angles of the fin-shaped structure, and the included angles of the canyon can also be adjusted by the driving assembly 1 to follow the included angles of the fin-shaped structure. Therefore, the fin-shaped independent layer friction nanogenerator constructed by the present scheme can adjust the included angles of the fin-shaped structure according to different use scenarios to achieve the demand for maximum power generation performance. The lifting assembly 40 in the present scheme can be used to adjust the distance between the panels 22 and the panels 32, so that the fin-shaped independent layer friction nanogenerator constructed by the present scheme can not only adjust the included angles of the fin-shaped structure and the canyon, but also adjust the distance between the panels 22 and the panels 32, thereby realizing the fin-shaped independent layer friction nanogenerator constructed by the present scheme to explore the power generation performance of the panels 22 and the panels 32 at different distances. As described above, the fin-shaped independent layer friction nanogenerator of the present scheme only needs to be built in one group to explore the performance of the fin-shaped independent layer friction nanogenerator constructed by the panels 22 and the vertical direction at different included angles, and one group of fin-shaped independent layer friction nanogenerator can also be used to explore the power generation performance when the distance between the panels 22 and the panels 32 changes.That is, in the present scheme, a group of fin-shaped independent layer friction nanogenerators is constructed, and the structure of the constructed fin-shaped independent layer friction nanogenerator is changed by adjusting the driving assembly two 21, the driving assembly one 31 and the lifting assembly 40, so as to explore the performance of friction nanogenerators with different structures, so that in the actual application process, the constructed fin-shaped independent layer friction nanogenerator can adjust the included angle of the fin-shaped structure to a suitable angle according to the specific use scene, and also can adjust the distance between the panel one 32 and the panel two 22 to a suitable distance to meet that the fin-shaped independent layer friction nanogenerator can maximize the conversion of external energy into electrical energy, thereby improving its power generation performance. In addition, in the exploration experiment process, the included angle of the fin-shaped structure, the included angle of the canyon and the distance between the panel one 32 and the panel two 22 can be adjusted at will by constructing a group of fin-shaped independent layer friction nanogenerators, which not only can save the time of building friction nanogenerators in the experimental process, effectively solve the problem of needing to construct a large number of groups of fin-shaped independent layer friction nanogenerators in the traditional experimental process when exploring the power generation performance of friction nanogenerators with different structures, but also can solve the problem of consuming a lot of time in disassembling and assembling the existing friction nanogenerator, thereby greatly shortening the experimental time. In addition, the fin-shaped independent layer friction nanogenerator provided by the present scheme can also explore one variable (such as the included angle of the fin-shaped structure) while keeping other parts of the fin-shaped independent layer friction nanogenerator unchanged, so as to improve the influence of other external factors in the power generation performance exploration experiment and improve the accuracy of the experimental results.

[0050] The above describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection claimed by the present application is defined by the appended claims and their equivalents.

Claims

1. An angle-tunable fin-shaped independent layer frictional nanogenerator, characterized in that, The utility model relates to a kind of adjustable angle of incidence of fixed component and sliding component, which includes fixed component and sliding component slidingly installed on fixed component;Two side walls one with adjustable angle are provided on the side of sliding component facing fixed component, and two side walls one are used to form fin structure;Two side walls two with adjustable angle that can follow with two side walls one are provided on the side of fixed component facing sliding component;Two side walls two are used to form canyon that mutually match with fin structure, and fin structure is inserted into canyon and gap is provided between fin structure and canyon; At least one dielectric material is attached to each side wall one along its horizontal direction, and at least two electrode materials with different electronegativity from dielectric material are attached to each side wall two, each electrode material is arranged along the horizontal direction of side wall two, and two electrode materials on the same side wall two are sequentially arranged along the extension direction of fin structure;Fixed component reciprocates in canyon along the extension direction of fin structure, so that dielectric material can generate electrostatic induction on two electrode materials, and then realize the generation of current.

2. The angle-tunable fin-type self-powered layer-frictional nanogenerator of claim 1, wherein, The fixed component includes a base (1) and two panels (32) rotatably mounted on the base (1);Two side walls two are two side walls opposite to the two panels (32), so that the canyon is formed between the two panels (32);Each panel (32) is connected with a drive assembly (31), and the drive assembly (31) is used to adjust the angle between the panel (32) and the base (1) and to limit the panel (32) after adjusting the angle, so as to adjust the angle of the canyon.

3. The angle-tunable fin-type self-powered layer-frictional nanogenerator of claim 2, wherein, The sliding component is arranged on the side of the base (1) on which the panels (32) are mounted and between the two panels (32);The sliding component includes a drive assembly (21) and two panels (22);Two panels (22) are used to form the fin structure. The base (1) is slidingly mounted with at least two mounting portions, the two mounting portions are arranged in parallel along the horizontal direction of the base (1), and each mounting portion can slide along the front-back direction of the base (1);One end of each panel (22) is rotatably mounted on the mounting portion, and each panel (22) is aligned with and parallel to each panel (32);The mounting portion is used to limit the fin structure after adjusting the drive assembly (21);The drive assembly (21) is arranged between the two panels (22), and both ends of the drive assembly (21) are hingedly connected to the two panels (22);The drive assembly (21) is used to adjust the angle between the two panels (22), so that the fin structure can follow when the angle of the canyon changes.

4. The angle-tuneable fin-type self-powered layer-frictional nanogenerator of claim 3, wherein, The mounting portion comprises a pair of fixing blocks and a rotating rod mounted between the pair of fixing blocks, the pair of fixing blocks are arranged in parallel along the extension direction of the fin structure, both ends of the rotating rod are rotatably mounted on the two fixing blocks, the bottom of the second panel (22) is fixedly connected with the rotating rod, a spur gear (11) is fixedly mounted on the rotating rod, and the spur gears (11) on the two rotating rods are in mesh with each other.

5. The angle-tunable fin-type self-powered layer-friction nanogenerator of claim 3, wherein, The driving assembly two (21) comprises a driving screw rod (211) and at least one pair of driven screw rods (212), the pair of driven screw rods (212) are symmetrically arranged on the two sides of the driving screw rod (211) in the horizontal direction; one end of the driven screw rod (212) on the left side is threadedly connected with the driving screw rod (211), and the other end is hingedly connected with the second panel (22) on the left side; one end of the driven screw rod (212) on the right side is threadedly connected with the driving screw rod (211), and the other end is hingedly connected with the second panel (22) on the right side; by rotating the driving screw rod (211), the pair of driven screw rods (212) are synchronously extended or synchronously retracted in the horizontal direction, so that the rotation angles of the two second panels (22) relative to the vertical direction are synchronously adjusted.

6. The angle-tuneable fin-type self-powered layer-frictional nanogenerator of claim 2, wherein, The driving assembly one (31) comprises a driving member (311) and at least one connecting rod (312), the driving member (311) is fixedly mounted on the base (1) and can reciprocate along the horizontal direction of the base (1); one end of the connecting rod (312) is hingedly connected to the side of the first panel (32) opposite to the electrode material, and the other end of the connecting rod (312) is hingedly connected to the driving member (311), the connecting rod (312) is used for reciprocating the driving member (311) in the horizontal direction, so as to adjust the included angle between the first panel (32) and the vertical direction.

7. The angle-tuneable fin-type self-powered layer-frictional nanogenerator of claim 3, wherein, The fin-shaped independent layer friction nanometer generator further comprises a lifting assembly (40), the fixing assembly is mounted on the lifting assembly (40) through the mounting portion, the lifting assembly (40) is slidingly mounted on the base (1) and can drive the fixing assembly to reciprocate along the extension direction of the fin structure; the lifting assembly (40) is used for driving the fixing assembly to move along the vertical direction of the base (1) to adjust the distance between the second panel (22) and the first panel (32).

8. The angle-tuneable fin-type self-powered layer-frictional nanogenerator of claim 5, wherein, The driving assembly two (21) further comprises a rotating ring (213) and at least two hollow support members (214), the rotating ring (213) is fixedly installed on the middle part of the driving screw rod (211); two support members (214) are arranged on both sides of the rotating ring (213), one end of the support member (214) is sleeved on the driving screw rod (211) through a bearing, and the other end of the support member (214) is sleeved on the driven screw rod (212) near one side of the second panel (22); the support member (214) comprises a plurality of sleeve members connected in sequence; the diameters of the plurality of sleeve members gradually decrease from the driving screw rod (211) to the driven screw rod (212).

9. The angle-tuneable fin-type self-powered layer-frictional nanogenerator of claim 6, wherein, The driving member (311) is a screw rod, the base (1) is provided with a limiting block (13) with a threaded hole, the screw rod passes through the threaded hole in the horizontal direction of the base (1) and is hinged to the end of the connecting rod (312) away from the first panel (32), the screw rod reciprocates in the horizontal direction of the base (1) and drives the first panel (32) to rotate around the hinge point between the first panel (32) and the base (1).

10. The angle-tuneable fin-type self-powered layer-frictional nanogenerator of claim 9, wherein, The number of the connecting rods (312) is two, and the two connecting rods (312) are symmetrically arranged on the first panel (32) in the front-rear direction of the base (1); the driving member (311) further comprises a sliding rod (313) and a connecting block (314); the sliding rod (313) is arranged in the front-rear direction of the base (1) and can slide in the horizontal direction of the base (1); the two ends of the sliding rod (313) are respectively hinged to the two connecting rods (312); the connecting block (314) is installed on the middle part of the sliding rod (313) and fixedly connected with the screw rod.

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