阅读说明：本技术 自采集能量发电储能式编织弹力袜 (Self-energy-collecting power generation and energy storage type woven elastic socks ) 是由 袁曦明 袁一楠 于 2019-10-14 设计创作，主要内容包括：本发明涉及一种自采集能量发电储能式编织弹力袜,主要包括：柔性微纳米阵列弹性摩擦与压电复合发电式袜底、柔性微纳米弹性摩擦发电储能式袜面、三维多孔石墨烯复合同轴结构式柔性超级电容器、柔性弹性连接层、穿戴式外接电路按扣式插件口；三维多孔石墨烯复合同轴结构式柔性超级电容器编织装配在柔性微纳米弹性摩擦发电储能式袜面中；穿戴式外接电路按扣式插件口编织装配在柔性微纳米弹性摩擦发电储能式袜面的上端；柔性弹性连接层由柔性弹性连接线编织构成；柔性微纳米弹性摩擦发电储能式袜面通过柔性弹性连接层与柔性微纳米阵列弹性摩擦与压电复合发电式袜底相连接,并构成自采集能量发电储能式编织弹力袜。(The invention relates to a self-energy-collecting power-generating energy-storing type knitted elastic sock, which mainly comprises: the flexible micro-nano array elastic friction and piezoelectric composite power generation type sock bottom, the flexible micro-nano elastic friction power generation energy storage type sock surface, the three-dimensional porous graphene composite coaxial structure type flexible super capacitor, the flexible elastic connecting layer and the wearable external circuit snap-on type plug-in port; the three-dimensional porous graphene composite coaxial structural flexible supercapacitor is woven and assembled in the flexible micro-nano elastic friction power generation energy storage type sock surface; the wearable external circuit snap-button type plug-in port is woven and assembled at the upper end of the flexible micro-nano elastic friction power generation energy storage type sock surface; the flexible elastic connecting layer is formed by weaving flexible elastic connecting lines; the flexible micro-nano elastic friction power generation and energy storage type sock surface is connected with the piezoelectric composite power generation type sock bottom through the flexible elastic connecting layer and the flexible micro-nano array elastic friction, and the self-energy-collection power generation and energy storage type woven elastic sock is formed.)

1. The utility model provides a from energy harvesting electricity generation energy storage formula knitting elasticity socks which characterized in that includes: the flexible micro-nano array elastic friction and piezoelectric composite power generation type sock bottom, the flexible micro-nano elastic friction power generation energy storage type sock surface, the three-dimensional porous graphene composite coaxial structure type flexible super capacitor and the flexible elastic connecting layer are arranged on the flexible micro-nano array elastic friction and piezoelectric composite power generation energy storage type sock bottom; the three-dimensional porous graphene composite coaxial structural type flexible supercapacitor is woven and assembled in the flexible micro-nano elastic friction power generation energy storage type sock surface; the flexible elastic connecting layer is formed by weaving flexible elastic connecting lines; the flexible micro-nano elastic friction power generation energy storage type sock surface is connected with the flexible micro-nano array elastic friction and piezoelectric composite power generation type sock bottom through the flexible elastic connecting layer; the flexible micro-nano array elastic friction and piezoelectric composite power generation type sock bottom can generate micro-nano array elastic friction and piezoelectric composite power generation effects under the action of foot walking pressure; the flexible micro-nano elastic friction power generation energy storage type sock surface can generate a micro-nano elastic friction power generation effect in the foot walking process; the flexible supercapacitor with the three-dimensional porous graphene composite coaxial structure stores power generation energy of the flexible micro-nano array elastic friction and piezoelectric composite power generation type sock bottom and the flexible micro-nano elastic friction power generation energy storage type sock surface.

2. The self-energy-harvesting power-generation energy-storage knitted elastic sock according to claim 1, wherein the flexible micro-nano array elastic friction and piezoelectric composite power generation sock bottom comprises: the structure comprises an upper insulating elastic layer, an upper three-dimensional porous graphene electrode layer, an upper micro-nano array friction layer, a middle warp-knitted interval hole array elastic fabric layer, a middle micro-nano array friction layer, a middle three-dimensional porous graphene electrode layer, a lower piezoelectric fiber film layer, a lower three-dimensional porous graphene electrode layer and a lower insulating elastic layer; the upper insulating elastic layer is connected with one surface of the upper three-dimensional porous graphene electrode layer; the other surface of the upper three-dimensional porous graphene electrode layer is connected with one surface of the upper micro-nano array friction layer; the other surface of the upper micro-nano array friction layer is connected with one surface of the middle warp-knitted spaced hole array elastic fabric layer; the other surface of the middle warp-knitted spacing hole array elastic fabric layer is connected with one surface of the middle micro-nano array friction layer; the middle warp-knitted spaced hole array elastic fabric layer comprises a middle warp-knitted spaced hole array formed by weaving an elastic fabric layer; the middle warp-knitted interval hole array comprises a plurality of middle warp-knitted interval holes; the middle warp-knitted spacing hole is formed by weaving elastic fabric threads, under the action of external pressure, the elastic fabric layer of the middle warp-knitted spacing hole array can be reversibly elastically contracted and extended, so that the micro-nano array threads or micro-nano array rods of the upper micro-nano array friction layer penetrate through the middle warp-knitted spacing hole array and generate a contact friction power generation effect with the middle micro-nano array friction layer; the other surface of the middle micro-nano array friction layer is connected with one surface of a middle three-dimensional porous graphene electrode layer; the other surface of the middle three-dimensional porous graphene electrode layer is connected with one surface of the lower piezoelectric fiber film layer; the other surface of the lower piezoelectric fiber film layer is connected with one surface of the lower three-dimensional porous graphene electrode layer; the other surface of the lower three-dimensional porous graphene electrode layer is connected with the lower insulating elastic layer; the peripheries of the upper layer insulating elastic layer and the lower layer insulating elastic layer are provided with a series of woven connecting holes; the flexible elastic connecting line penetrates through the series of woven connecting holes to enable the flexible micro-nano array to be connected with the piezoelectric composite power generation type sock bottom and the flexible micro-nano elastic friction power generation energy storage type sock surface in a woven mode.

3. The self-energy-collecting power-generating energy-storing knitted elastic sock according to claim 2, wherein the upper micro-nano array friction layer and the middle micro-nano array friction layer are made of two different high polymer materials; the two different high molecular polymer materials are respectively provided with the same amount of heterogeneous charges; carrying out micro-nano structuralization treatment on the surface of the high polymer material; the micro-nano structured treatment mode is as follows: the surface of the high molecular polymer material is treated by adopting one of the following methods: the micro-nano wire array or the micro-nano rod array is constructed or assembled by adopting dry etching, wet etching, photoetching, inductively coupled plasma reactive ion etching and physical chemical deposition.

4. The self-energy-collecting power-generating energy-storing knitted elastic sock according to claim 2, wherein the upper micro-nano array friction layer and the middle micro-nano array friction layer are made of high molecular polymer materials and metal materials respectively; the high molecular polymer material and the metal material are respectively provided with the same amount of heterogeneous charges; carrying out micro-nano structuring treatment on the surfaces of the high molecular polymer material and the metal material; the micro-nano structured treatment mode is as follows: the surface of the high molecular polymer material and the metal material is treated by adopting one of the following methods: the micro-nano wire array or the micro-nano rod array is constructed or assembled by adopting dry etching, wet etching, photoetching, inductively coupled plasma reactive ion etching and physical chemical deposition.

5. The self-harvested energy generation and energy storage knitted elastic stocking according to claim 1, wherein the three-dimensional porous graphene composite coaxial structure type flexible supercapacitor comprises: an inner electrode layer, an electrolyte diaphragm layer, an outer electrode layer, and an outer elastic insulation layer; the inner electrode layer adopts carbon nano tube fiber composite conductive yarns; the carbon nanotube fiber composite conductive yarn is formed by assembling and compounding carbon nanotube fiber yarn and metal oxide or conductive polymer; the outer electrode layer is formed by assembling and compounding three-dimensional porous graphene and metal oxide or conductive polymer; the electrolyte diaphragm layer adopts solid electrolyte; the electrolyte membrane layer is coated outside the inner electrode layer; the outer electrode layer is coated outside the electrolyte diaphragm layer; the outer elastic insulating layer is wrapped outside the outer electrode layer.

6. The self-energy-collecting power-generating energy-storing woven elastic sock according to claim 1, wherein the flexible micro-nano elastic friction power-generating energy-storing sock surface adopts a weaving machine to alternately arrange fabric warp and fabric weft to form a woven structure; the fabric warp is formed by wrapping and winding a flexible friction material A on the outer layer of the carbon nanotube fiber composite conductive yarn; the carbon nanotube fiber composite conductive yarn is formed by assembling and compounding carbon nanotube fiber yarn and metal oxide or conductive polymer; the flexible friction material A is any one of wool yarns, silk yarns, cotton yarns, polyamide yarns and nylon yarns; the fabric weft is formed by wrapping and winding a flexible friction material B on the outer layer of an elastic metal wire; the flexible friction material B is any one of polyester yarn, polyacrylonitrile yarn and modacrylic yarn; the elastic metal wire is a stainless steel wire or a copper wire.

7. The self-harvested energy power generation and energy storage type knitted elastic sock according to claim 6, wherein the carbon nanotube fiber composite conductive yarn and the elastic metal wire are connected with a three-dimensional porous graphene composite coaxial structure type flexible supercapacitor through a circuit.

8. The self-harvested energy, power generation, and energy storage knitted elastic stocking according to claim 1, further comprising a wearable external circuit snap-on plug-in port; the wearable external circuit snap-button type plug-in piece opening is woven and assembled at the upper end of the flexible micro-nano elastic friction power generation energy storage type sock surface; the wearable external circuit snap-on type plug-in port is connected with the three-dimensional porous graphene composite coaxial structure type flexible supercapacitor through a circuit; the electric energy stored by the three-dimensional porous graphene composite coaxial structural type flexible supercapacitor is provided for wearable equipment through a wearable external circuit snap-button type plug-in port.

9. The self-energy-harvesting power-generation energy-storage type knitted elastic sock according to claim 2, wherein the upper three-dimensional porous graphene electrode layer, the middle three-dimensional porous graphene electrode layer and the lower three-dimensional porous graphene electrode layer are connected with a three-dimensional porous graphene composite coaxial structure type flexible supercapacitor through a circuit.

10. The self-harvesting energy-generating energy-storing woven stretch sock according to claim 2, wherein the lower piezoelectric fiber film layer is any one of a PVDF piezoelectric fiber film, a ZnO piezoelectric fiber film, a CdS piezoelectric fiber film, a CdSe piezoelectric fiber film, a ZnS piezoelectric fiber film, a CdTe piezoelectric fiber film, a ZnTe piezoelectric fiber film, a GaAs piezoelectric fiber film, a GaSb piezoelectric fiber film, an InAs piezoelectric fiber film, an InSb piezoelectric fiber film, and an AlN piezoelectric fiber film.

Technical Field

The invention relates to the field of energy devices of human body wearing equipment, in particular to a self-energy-collecting power generation and energy storage type knitted elastic sock.

Background

Wearable electronic devices, i.e., portable electronic devices that are worn directly on the body or integrated into the clothing or accessories of the user. At present, along with the increasing popularization and promotion of fashionable, light and thin and various flexible wearable devices, people put forward higher requirements on stretch resistance, bending resistance, wearability, electric energy continuity and the like of devices in wearable electronic devices. Compared with various wearable electronic devices and products, the development of the wearable device energy device as a core component is relatively slow. The traditional energy device is mostly difficult to effectively meet the development requirements of light weight, miniaturization, flexibility, integration and persistence of wearable equipment, especially how to meet the requirement of large capacity, how to ensure the longer-time normal operation of the wearable equipment, and how to overcome the problem that repeated charging of a user brings great inconvenience to a wearer. The wearable energy device includes two parts, namely an energy generation (or conversion) part and an energy storage part, and the energy generation part generally converts external energy into electric energy to realize power generation, wherein the external energy mainly refers to solar energy, kinetic energy, wind energy, piezoelectricity (excess energy from motion is utilized), and the like. Energy conversion of energy devices in wearable equipment generally depends on external environments, for example, solar energy depends on weather change, and practical application has some limitations; energy devices in wearable equipment are required to have stable and reliable electric energy output, and an external electric energy supply system is often adopted in the traditional method. If can integrate energy production and energy storage device in wearing equipment for the device itself can accomplish the dual function of energy production and storage simultaneously, and can export external circuit when needs, then can overcome the shortcoming that present wearing equipment exists, so that be more favorable to wearing the extensive popularization and application of equipment.

At present, how to prepare wearable energy device, how to gather the energy that the wearing person self brought, how accomplish to carry out integration in wearing equipment with energy generation and energy storage device, how to make energy device really possess the wearing travelling comfort, how to make wearable energy device have sustainable working property, these problems remain people to go further to solve.

Disclosure of Invention

Aiming at the series of problems of energy devices in the wearing equipment at present, the invention provides a self-energy-collecting power-generating energy-storing woven elastic sock.

A self-energy-collecting power generation and energy storage type knitted elastic sock mainly comprises: the flexible micro-nano array elastic friction and piezoelectric composite power generation type sock bottom, the flexible micro-nano elastic friction power generation energy storage type sock surface, the three-dimensional porous graphene composite coaxial structure type flexible super capacitor, the flexible elastic connecting layer and the wearable external circuit snap-on type plug-in port; the three-dimensional porous graphene composite coaxial structural type flexible supercapacitor is woven and assembled in the flexible micro-nano elastic friction power generation energy storage type sock surface; the wearable external circuit snap-button type plug-in piece opening is woven and assembled at the upper end of the flexible micro-nano elastic friction power generation energy storage type sock surface; the flexible elastic connecting layer is formed by weaving flexible elastic connecting lines; the flexible micro-nano elastic friction power generation energy storage type sock surface is connected with the piezoelectric composite power generation type sock bottom through the flexible elastic connecting layer and the flexible micro-nano array elastic friction, and the self-energy-collection power generation energy storage type woven elastic sock is formed.

In the above scheme, flexible micro-nano array elastic friction and piezoelectricity compound power generation formula sole mainly includes: the structure comprises an upper insulating elastic layer, an upper three-dimensional porous graphene electrode layer, an upper micro-nano array friction layer, a middle warp-knitted interval hole array elastic fabric layer, a middle micro-nano array friction layer, a middle three-dimensional porous graphene electrode layer, a lower piezoelectric fiber film layer, a lower three-dimensional porous graphene electrode layer and a lower insulating elastic layer; the upper insulating elastic layer is connected with one surface of the upper three-dimensional porous graphene electrode layer; the other surface of the upper three-dimensional porous graphene electrode layer is connected with one surface of the upper micro-nano array friction layer; the other surface of the upper micro-nano array friction layer is connected with one surface of the middle warp-knitted spaced hole array elastic fabric layer; the other surface of the middle warp-knitted spacing hole array elastic fabric layer is connected with one surface of the middle micro-nano array friction layer; the middle warp-knitted spaced hole array elastic fabric layer comprises a middle warp-knitted spaced hole array formed by weaving an elastic fabric layer; the middle warp-knitted interval hole array comprises a plurality of middle warp-knitted interval holes; the middle warp-knitted spacing hole is formed by weaving elastic fabric threads at a certain distance, under the action of certain external pressure, the elastic fabric layer of the middle warp-knitted spacing hole array can generate reversible elastic contraction and extension, so that the micro-nano array threads or micro-nano array rods of the upper micro-nano array friction layer can penetrate through the middle warp-knitted spacing hole array and generate a contact friction power generation effect with the middle micro-nano array friction layer; the other surface of the middle micro-nano array friction layer is connected with one surface of a middle three-dimensional porous graphene electrode layer; the other surface of the middle three-dimensional porous graphene electrode layer is connected with one surface of the lower piezoelectric fiber film layer; the other surface of the lower piezoelectric fiber film layer is connected with one surface of the lower three-dimensional porous graphene electrode layer c; the other surface of the lower three-dimensional porous graphene electrode layer is connected with the lower insulating elastic layer; the peripheries of the upper layer insulating elastic layer and the lower layer insulating elastic layer are provided with a series of woven connecting holes; the flexible elastic connecting line penetrates through the series of knitting connecting holes to connect the flexible micro-nano array elastic friction with the piezoelectric composite power generation type sock bottom and the flexible micro-nano elastic friction power generation energy storage type sock surface in a knitting mode, and an integrated structure is formed; in the walking process, the flexible micro-nano array elastic friction and piezoelectric composite power generation type sock bottom generates the micro-nano array elastic friction and piezoelectric composite power generation effect under the action of foot walking pressure.

In the scheme, the upper micro-nano array friction layer and the middle micro-nano array friction layer are made of two different high polymer materials; the two different high molecular polymer materials are respectively provided with the same amount of heterogeneous charges; carrying out micro-nano structuralization treatment on the surface of the high polymer material; the micro-nano structured treatment mode is as follows: the surface of the high molecular polymer material is treated by adopting one of the following methods: the micro-nano wire array or the micro-nano rod array is constructed or assembled by adopting dry etching, wet etching, photoetching, inductively coupled plasma reactive ion etching and physical chemical deposition.

In the scheme, the upper micro-nano array friction layer and the middle micro-nano array friction layer are made of high molecular polymer materials and metal materials respectively; the high molecular polymer material and the metal material are respectively provided with the same amount of heterogeneous charges; carrying out micro-nano structuring treatment on the surfaces of the high molecular polymer material and the metal material; the micro-nano structured treatment mode is as follows: the surface of the high molecular polymer material and the metal material is treated by adopting one of the following methods: the micro-nano wire array or the micro-nano rod array is constructed or assembled by adopting dry etching, wet etching, photoetching, inductively coupled plasma reactive ion etching and physical chemical deposition.

In the above scheme, the three-dimensional porous graphene composite coaxial structure type flexible supercapacitor mainly comprises: an inner electrode layer, an electrolyte diaphragm layer, an outer electrode layer, and an outer elastic insulation layer; the inner electrode layer adopts carbon nano tube fiber composite conductive yarns; the carbon nanotube fiber composite conductive yarn is formed by assembling and compounding carbon nanotube fiber yarn and metal oxide or conductive polymer; the outer electrode layer is formed by assembling and compounding three-dimensional porous graphene and metal oxide or conductive polymer; the electrolyte diaphragm layer adopts solid electrolyte; the electrolyte membrane layer is coated outside the inner electrode layer; the outer electrode layer is coated outside the electrolyte diaphragm layer; the outer elastic insulating layer is wrapped outside the outer electrode layer.

In the scheme, the flexible micro-nano elastic friction power generation energy storage type sock surface adopts a knitting machine to alternately arrange the fabric warp and the fabric weft according to a certain rule to form a knitting structure; the fabric warp is formed by wrapping and winding a flexible friction material A on the outer layer of the carbon nanotube fiber composite conductive yarn; the carbon nanotube fiber composite conductive yarn is formed by assembling and compounding carbon nanotube fiber yarn and metal oxide or conductive polymer; the flexible friction material A is any one of wool yarns, silk yarns, cotton yarns, polyamide yarns and nylon (PA6) yarns; the fabric weft is formed by wrapping and winding a flexible friction material B on the outer layer of an elastic metal wire; the flexible friction material B is any one of polyester yarn, polyacrylonitrile yarn and modacrylic yarn; the elastic metal wire is a stainless steel wire or a copper wire; in the walking process, the flexible micro-nano elastic friction power generation energy storage type sock surface generates a micro-nano elastic friction power generation effect under the synergistic effect of leg muscles and the flexible elastic connecting layer.

In the scheme, the three-dimensional porous graphene composite coaxial structure type flexible supercapacitor has the function of storing the power generation energy of the flexible micro-nano array elastic friction and piezoelectric composite power generation type sock bottom and the flexible micro-nano elastic friction power generation energy storage type sock surface; in the flexible micro-nano array elastic friction and piezoelectric composite power generation type sock bottom, the upper three-dimensional porous graphene electrode layer, the middle three-dimensional porous graphene electrode layer and the lower three-dimensional porous graphene electrode layer are connected with the three-dimensional porous graphene composite coaxial structural type flexible supercapacitor through a circuit; in the flexible micro-nano elastic friction power generation energy storage type sock surface, the carbon nano tube fiber composite conductive yarn and the elastic metal wire are connected with a three-dimensional porous graphene composite coaxial structural flexible supercapacitor through a circuit; the three-dimensional porous graphene composite coaxial structure type flexible supercapacitor is connected with a wearable external circuit snap-on type plug-in port through a circuit; the wearable external circuit snap-button type plug-in port is connected with the human body wearable equipment; the electric energy stored by the three-dimensional porous graphene composite coaxial structural type flexible supercapacitor is provided for wearable equipment through a wearable external circuit snap-button type plug-in port.

In the scheme, the metal oxide adopts CuO and Co₃O₄、MnO₂、Bi₂O₃、RuO₂、Ni(OH)₂Any one of (a); the conductive polymer adopts polythiophene or PANI (polyaniline); the solid electrolyte adopts PVA (polyvinyl alcohol)/KOH, CuI, CuSCN, (C)₄H₉)₂、4CuBr₃S, PEO, PAN, P (VDF-HFP) ((polyvinylidene fluoride-hexafluoropropylene) copolymer), solid composite electrolyte.

In the above scheme, the lower piezoelectric fiber thin film layer is any one of a PVDF (polyvinylidene fluoride) piezoelectric fiber thin film, a ZnO piezoelectric fiber thin film, a CdS piezoelectric fiber thin film, a CdSe piezoelectric fiber thin film, a ZnS piezoelectric fiber thin film, a CdTe piezoelectric fiber thin film, a ZnTe piezoelectric fiber thin film, a GaAs piezoelectric fiber thin film, a GaSb piezoelectric fiber thin film, an InAs piezoelectric fiber thin film, an InSb piezoelectric fiber thin film, and an AlN piezoelectric fiber thin film.

The working process of the self-energy-collecting power generation and energy storage type knitted elastic socks provided by the invention is as follows:

the self-energy-collecting power generation and energy storage type knitted elastic socks are worn by a wearer, and during walking, the soles of the wearer press the flexible micro-nano array elastic friction and piezoelectric composite power generation type sock bottoms; under the action of certain foot pressure, reversible elastic contraction and extension can be generated on the elastic fabric layer of the middle warp-knitted spaced hole array of the flexible micro-nano array elastic friction and piezoelectric composite power generation sock bottom, so that micro-nano array wires or micro-nano array rods of the upper micro-nano array friction layer can penetrate through the middle warp-knitted spaced hole array and form a vertical contact-separation friction nano generator mode with the middle micro-nano array friction layer; in the dielectric-dielectric material structure, two different dielectric materials are respectively used as a friction contact surface of an upper micro-nano array friction layer and a friction contact surface of a middle micro-nano array friction layer, and an upper three-dimensional porous graphene electrode layer and a middle three-dimensional porous graphene electrode layer are respectively used as electrodes; when two dielectric friction materials are in mutual contact due to the action of external force of feet, surface charges with opposite signs can be formed on the friction contact surface, when the impact force or vibration force of the feet is removed, the friction contact surface is separated under the action of the spacing elastic layer, and when the two three-dimensional porous graphene electrode layers are externally connected with a load resistor through the rectifying circuit, current can be formed due to the induced potential difference between the electrodes. When the two friction surfaces are contacted again under the action of foot impact force or vibration force, the potential difference formed by friction charges disappears, and current in opposite directions is formed, and the friction nano-generator in the vertical contact-separation mode can be used for effectively collecting energy brought by the foot impact force or vibration force. The friction generated energy generated by the friction nano generator in the vertical contact-separation mode is transmitted to the three-dimensional porous graphene composite coaxial structure type flexible super capacitor through the upper three-dimensional porous graphene electrode layer, the middle three-dimensional porous graphene electrode layer and a circuit for storage and standby.

When the foot of a wearer presses on the flexible micro-nano array elastic friction and piezoelectric composite power generation type sock bottom; under the action of certain foot pressure, the other surface of the middle three-dimensional porous graphene electrode layer transmits acting force to the lower piezoelectric fiber film layer, so that the lower piezoelectric fiber film layer generates a piezoelectric power generation effect; the generated piezoelectric power generation amount passes through the middle three-dimensional porous graphene electrode layer and the lower three-dimensional porous graphene electrode layer and is transmitted to the three-dimensional porous graphene composite coaxial structure type flexible supercapacitor through a circuit to be stored for later use.

When a wearer walks, the leg muscles of the wearer generate stretching force and vibration force and act on the flexible micro-nano elastic friction power generation energy storage type sock surface; the flexible micro-nano elastic friction power generation energy storage type sock surface adopts a knitting machine to alternately arrange fabric warp and fabric weft according to a certain rule to form a knitting structure; the fabric warp is formed by wrapping and winding a flexible friction material A on the outer layer of the carbon nanotube fiber composite conductive yarn; the fabric weft is formed by wrapping and winding a flexible friction material B on the outer layer of an elastic metal wire; under the action of the cooperative elastic force of the elastic metal wire and the flexible elastic connecting layer, the flexible friction material A and the flexible friction material B form a vertical contact-separation friction nano generator mode, in a dielectric medium-dielectric medium material structure, the flexible friction material A and the flexible friction material B are respectively adopted by two different dielectric materials as friction contact surfaces, the carbon nanotube fiber composite conductive yarn in the fabric warp is used as one electrode, and the elastic metal wire in the fabric weft is used as the other electrode; when two dielectric friction materials are contacted with each other due to the action of external force of legs, surface charges with opposite signs are formed on the friction contact surface, when leg impact force or vibration force is removed, the friction contact surface is separated under the synergistic elastic action of the elastic metal wire and the flexible elastic connecting layer, and when the two electrodes pass through the external load resistor of the rectifying circuit, current is formed due to the induced potential difference between the electrodes. When the two friction surfaces are contacted again under the action of leg impact force or vibration force, the potential difference formed by friction charges disappears, and current with opposite directions is formed, and the friction nano-generator in the vertical contact-separation mode can be used for effectively collecting and converting energy brought by leg impact force or vibration force. The friction generated energy generated by the flexible micro-nano elastic friction power generation energy storage type sock surface is transmitted to the three-dimensional porous graphene composite coaxial structural flexible supercapacitor for storage and standby through the carbon nano tube fiber composite conductive yarn, the elastic metal wire and the circuit.

The electric energy stored in the three-dimensional porous graphene composite coaxial structure type flexible supercapacitor can be transmitted to wearable equipment for use through a wearable external circuit snap-on plug-in port.

The self-energy-collecting power generation and energy storage type knitted elastic sock has the following beneficial effects:

a. according to the flexible micro-nano array elastic friction and piezoelectric composite power generation sock bottom, the micro-nano array wires or micro-nano array rods of the upper micro-nano array friction layer penetrate through the middle warp-knitted spaced hole array to generate a vertical contact-separation friction nano generator mode with the middle micro-nano array friction layer, and the flexible micro-nano array elastic friction and piezoelectric composite power generation sock bottom can be used for effectively collecting energy brought by foot impact force or vibration force conversion. The friction generated energy generated by the friction nano generator in the vertical contact-separation mode is transmitted to the three-dimensional porous graphene composite coaxial structure type flexible super capacitor through the upper three-dimensional porous graphene electrode layer, the middle three-dimensional porous graphene electrode layer and a circuit for storage and standby.

b. According to the flexible micro-nano array elastic friction and piezoelectric composite power generation type sock bottom, the other surface of the middle three-dimensional porous graphene electrode layer is adopted to transmit acting force to the lower piezoelectric fiber film layer, so that the piezoelectric fiber film layer generates a piezoelectric power generation effect; the generated piezoelectric power generation amount passes through the middle three-dimensional porous graphene electrode layer and the lower three-dimensional porous graphene electrode layer and is transmitted to the three-dimensional porous graphene composite coaxial structure type flexible supercapacitor through a circuit to be stored for later use.

c. According to the flexible micro-nano elastic friction power generation energy storage type sock surface, a knitting machine is adopted to alternately arrange fabric warp yarns and fabric weft yarns according to a certain rule to form a knitting structure; the fabric warp is formed by wrapping and winding the flexible friction material A by the outer layer of the carbon nanotube fiber composite conductive yarn; the fabric weft is formed by wrapping and winding a flexible friction material B on the outer layer of an elastic metal wire; weaving a three-dimensional porous graphene composite coaxial structure type flexible supercapacitor in the composite coaxial structure type flexible supercapacitor to form a wearable energy device integrating friction power generation and energy storage; under the synergistic effect of the stretching force and the vibration force generated by leg muscles, the elastic force of the elastic metal wire and the elastic force of the flexible elastic connecting layer, the flexible friction material A and the flexible friction material B form a vertical contact-separation elastic friction nano generator mode, and are transmitted to the three-dimensional porous graphene composite coaxial structural type flexible supercapacitor through a circuit to be stored for later use.

d. According to the flexible supercapacitor with the three-dimensional porous graphene composite coaxial structure, the three-dimensional porous graphene material is used as an electrode of the supercapacitor, so that the surface area of the electrode is increased, the capacitance is increased, the conductivity is enhanced, and various performance indexes of the supercapacitor are optimized and improved; meanwhile, the flexible supercapacitor with the three-dimensional porous graphene composite coaxial structure is combined with the flexible micro-nano array elastic friction and piezoelectric composite power generation type sock bottom and the flexible micro-nano elastic friction power generation type sock surface to form an integrated structure, so that the self-energy-collection power generation and energy storage type knitted elastic sock has the comprehensive performance of self-energy-collection power generation and energy storage, and the performance index of energy devices in the wearable equipment is optimized and improved; therefore, the self-energy-collecting power generation and energy storage type woven elastic socks can provide required electric energy for wearing equipment, and have wearability, applicability and comfort in the wearing and using process of a human body.

Drawings

FIG. 1 is a schematic structural view of a self-energy-collecting power-generating energy-storing knitted elastic sock of the present invention;

FIG. 2 is a schematic structural diagram of a flexible micro-nano array elastic friction and piezoelectric composite power generation type sock bottom adopted by the invention;

FIG. 3 is a schematic diagram of a middle warp knitting interval hole array structure of a flexible micro-nano array elastic friction and piezoelectric composite power generation type sock bottom adopted by the invention;

FIG. 4 is a schematic diagram of the arrangement of holes woven in a flexible elastic connecting layer of the flexible micro-nano array elastic friction and piezoelectric composite power generation type sock bottom adopted by the invention;

FIG. 5 is a schematic diagram of a knitting structure of a flexible micro-nano elastic friction power generation energy storage type sock surface adopted by the invention;

fig. 6 is a schematic structural diagram of a three-dimensional porous graphene composite coaxial structure type flexible supercapacitor adopted in the invention.

In the figure: the energy-storing self-collecting power-generating knitted elastic sock-1, the flexible micro-nano array elastic friction and piezoelectric composite power-generating sock bottom-2, the middle warp-knitted spaced hole array-3, the middle warp-knitted spaced holes-3 a, the flexible elastic connecting layer knitted hole arrangement-4, the flexible micro-nano elastic friction power-generating energy-storing sock surface-5, the three-dimensional porous graphene composite coaxial structure type flexible super capacitor-6, the flexible elastic connecting layer-7, the wearable external circuit snap-button type plug-in connector port-8, the upper insulating elastic layer-9, the upper three-dimensional porous graphene electrode layer-10, the upper micro-nano array friction layer-11, the middle warp-knitted spaced hole array elastic fabric layer-12, the middle micro-nano array friction layer-13, the middle three-dimensional porous graphene electrode layer-14, the piezoelectric composite power-generating sock bottom, the flexible micro, The composite material comprises a lower piezoelectric fiber thin film layer-15, a lower three-dimensional porous graphene electrode layer-16, a lower insulating elastic layer-17, a series of woven connecting holes-18, an inner electrode layer-19, an electrolyte diaphragm layer-20, an outer electrode layer-21, an outer elastic insulating layer-22, fabric warp-23 and fabric weft-24.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings.