Wearable friction power generation device

Abstract

The utility model discloses a wearable friction power generation device, relates to wearable equipment technical field, including lower leg guard, kneepad structure and upper leg guard, lower leg guard is detachably connected with wearer's shank through lower end fixed part, kneepad structure includes the telescopic power generation layer that has continuous concave-convex part, and the upper leg guard is connected with the lower end fixed part through the lower end fixed part. The telescopic power generation layer comprises a positive friction layer and a negative friction layer. The kneecap structure can generate telescopic deformation in the knee bending and stretching process, the kneecap structure is matched with the buffer pad to protect the knee of a wearer, meanwhile, potential difference can be generated through the telescopic power generation layer, micro-current is formed, power supply support is provided for a sensor structure on wearable equipment, and the wearable equipment is more comfortable to wear. The purposes of saving energy and reducing the use cost of the wearable device are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of wearable equipment, in particular to a wearable friction power generation device. Background Art

[0002] Wearable devices usually refer to the intelligent design of daily devices, so as to develop wearable intelligent devices, such as glasses, gloves or watches. Although most existing wearable devices have IoT interaction or human-computer interaction functions, it is difficult for users to obtain the additional gain functions provided by the wearable devices during the operation of the wearable devices, resulting in high cost of use of wearable devices and not conducive to saving resources. To this end, we propose a wearable friction power generation device. Utility Model Content

[0003] The purpose of the utility model is to provide a wearable friction power generation device to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wearable friction power generation device, comprising a lower leg guard, a knee pad structure and an upper leg guard, wherein the lower leg guard is detachably connected to the wearer's calf through a lower end fixing component, and the knee pad structure is connected between the lower leg guard and the upper leg guard, and the knee pad structure can synchronously retract and deform during knee bending and extension, and on the one hand cooperate with the buffer pad to protect the wearer's knee, and at the same time can generate an electric potential difference through the retractable power generation layer and form a microcurrent to provide power support for the sensor structure on the wearable device, so as to achieve the purpose of saving energy and reducing the cost of using the wearable device, and the knee pad structure includes a retractable power generation layer with continuous concave-convex parts, and multiple continuous retractable power generation layers with concave-convex parts can generate geometric times more power than a single power generation layer. Current, by expanding the application occasions of the stretchable power generation layer to generate power through the rectifier and filter circuit, it is beneficial to improve the environmental adaptability of wearable devices. The stretchable power generation layer includes a positive friction layer and a negative friction layer. During the friction between the positive friction layer and the negative friction layer, the charges carried by the two are transferred. The surface of the positive friction layer is welded with a positive metal foil layer. After the charge is transferred, the surface of the positive metal foil layer carries a negative charge. A negative metal foil layer is welded on one side of the negative friction layer. The surface of the negative metal foil layer carries a positive charge at this time. An electrical structure is connected in series between the positive metal foil layer and the negative metal foil layer through a wire. The induced electromotive force generated by the positive and negative charges generates a potential difference and generates a current on the wire connected between the two. The induced current is a microcurrent, which can meet the power requirements of some sensor components.

[0005] As a further solution of the utility model: the lower leg guard is a curved guard plate which is tangent to the knee pad structure and is fixed to the wearer's calf. The lower leg guard is composed of an elastic protection plate and a buffer plate. The lower leg guard fixes the retractable power generation layer to the wearer's knee, and at the same time can provide anti-collision protection for the connection between the knee and the calf, thereby reducing the wearer's movement risk.

[0006] As a further solution of the utility model: a lower retaining plate is glued to the bottom of the lower leg guard, and the lower retaining plate is one of a tough plastic plate, a rubber plate or a silicone plate. The lower retaining plate is an arc-shaped strip that can adapt to the leg contour and improve wearing stability.

[0007] As a further solution of the utility model: the bottom of the lower leg guard is connected with a lower end fixing component, the lower end fixing component is a strip elastic band, and the strip elastic band can fix the lower leg guard by binding.

[0008] As a further solution of the utility model: the lower end fixing component is a Velcro strap, and a Velcro hook surface suitable for the Velcro strap is glued to one side of the lower retaining plate, and a hard rod is glued to one end of the lower end fixing component, and the hard rod is a cylindrical hard plastic rod or metal rod. The Velcro strap serves as the lower end fixing component, which can improve the convenience of connecting the lower end fixing component.

[0009] As a further solution of the utility model: the retractable power generation layer is a conductive polymer, and the conductive polymer is one of polyaniline or polythiophene, which can ensure that the retractable power generation layer undergoes a retractable deformation.

[0010] As a further solution of the utility model: the positive metal foil layer and the negative metal foil layer are respectively one of copper foil or aluminum foil, the positive metal foil layer serves as the positive electrode, and the negative metal foil layer serves as the negative electrode. When relative friction occurs between the positive friction layer and the negative friction layer, the negative charge of the positive friction layer is transferred to the negative friction layer, so that the friction side of the positive friction layer carries a positive charge, and the friction side of the negative friction layer carries a negative charge.

[0011] As a further solution of the utility model: the electrical structure includes a switch, a rectifier and filter circuit, a sensor component and an ammeter. The sensor component is a temperature sensor, which can detect the temperature of the wearer's knees and provide a basis for judging the intensity of exercise.

[0012] As a further solution of the utility model: an upper retaining plate is welded to one end of the upper leg guard, reinforcing ribs penetrate the inner wall of the upper retaining plate, straps are welded at both ends of the upper retaining plate, and a buffer pad is glued to the inner wall of the retractable power generation layer. The buffer pad can absorb the impact on the knee and reduce the risk of injury to the knee by external force.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The knee pad structure of the utility model can produce telescopic deformation during the bending and extension of the knee, and cooperate with the buffer pad to protect the wearer's knees. At the same time, it can generate a potential difference through the telescopic power generation layer and form a microcurrent to provide power support for the sensor structure on the wearable device, thereby achieving the purpose of saving energy and reducing the cost of using wearable devices.

[0015] 2. The utility model provides a plurality of continuous concave-convex retractable power generation layers. The plurality of retractable power generation layers can generate geometric times more current than a single power generation layer. The utility model can cooperate with the rectifier and filter circuit to expand the application occasions of the retractable power generation layer to generate power, thereby improving the environmental adaptability of the wearable device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural diagram of the utility model;

[0017] Figure 2 This is a bottom perspective structural diagram of the utility model;

[0018] Figure 3 It is a side view of the retractable power generation layer of the utility model;

[0019] Figure 4 This is a power generation principle diagram of the utility model.

[0020] In the figure: 1. lower retaining plate; 2. lower leg guard; 3. lower end fixing component; 4. hard rod; 5. retractable power generation layer; 51. positive electrode friction layer; 52. negative electrode friction layer; 53. positive electrode metal foil layer; 54. negative electrode metal foil layer; 6. upper leg guard; 7. upper retaining plate; 8. reinforcing ribs; 9. strap; 10. switch; 11. sensor component; 12. buffer pad; 13. rectifier and filter circuit. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 4The utility model provides a technical solution: a wearable friction power generation device, including a lower leg guard 2, a knee pad structure and an upper leg guard 6. The lower leg guard 2 is detachably connected to the wearer's calf through a lower end fixing component 3. The knee pad structure is connected between the lower leg guard 2 and the upper leg guard 6. The knee pad structure can perform synchronous telescopic deformation during knee bending and extension. On the one hand, it cooperates with the buffer pad 12 to protect the wearer's knee. At the same time, it can generate a potential difference through the telescopic power generation layer 5 and form a microcurrent to provide power support for the sensor structure on the wearable device, so as to save energy and reduce the cost of using the wearable device. The knee pad structure includes a telescopic power generation layer 5 with continuous concave and convex parts. The telescopic power generation layer 5 with multiple continuous concave and convex parts can generate geometric times more current than a single power generation layer. The telescopic power generation layer 5 is expanded by a rectifier and filter circuit 13 The application scenarios in which layer 5 generates power are conducive to improving the environmental adaptability of wearable devices. The retractable power generation layer 5 includes a positive friction layer 51 and a negative friction layer 52. During the friction between the positive friction layer 51 and the negative friction layer 52, the charges carried by the two are transferred. A positive metal foil layer 53 is welded on the surface of the positive friction layer 51. After the charge is transferred, the surface of the positive metal foil layer 53 carries a negative charge. A negative metal foil layer 54 is welded on one side of the negative friction layer 52. The surface of the negative metal foil layer 54 carries a positive charge at this time. An electrical structure is connected in series between the positive metal foil layer 53 and the negative metal foil layer 54 through a wire. The electrical structure includes a switch 10, a rectifier and filter circuit 13, a sensor component 11 and an ammeter. The sensor component 11 is a temperature sensor, which can detect the temperature at the wearer's knee to provide a basis for judging the intensity of exercise.

[0023] The induced electromotive force generated by the positive and negative charges produces a potential difference and generates a current in the wire connecting the two. The induced current is a micro current and can meet the power requirements of some sensor components 11.

[0024] Preferably, Figure 1 As shown, the lower leg guard 2 is a curved guard plate tangent to the knee pad structure, and is fitted and fixed to the wearer's calf. The lower leg guard 2 is composed of an elastic protection plate and a buffer plate. The lower leg guard 2 fixes the retractable power generation layer 5 to the wearer's knee, and at the same time can provide anti-collision protection for the connection between the knee and the calf, thereby reducing the wearer's movement risk.

[0025] Preferably, Figure 1 As shown, the bottom of the lower leg guard 2 is glued and connected with a lower retaining plate 1, which is a tough plastic plate, rubber plate or silicone plate. The lower retaining plate 1 is an arc-shaped strip that can adapt to the leg contour and improve wearing stability.

[0026] Preferably, Figure 2As shown, the bottom of the lower leg guard 2 is connected with a lower end fixing component 3, and the lower end fixing component 3 is a Velcro fleece strap. A Velcro hook surface suitable for the Velcro fleece strap is glued to one side of the lower retaining plate 1, and a hard rod 4 is glued to one end of the lower end fixing component 3, and the hard rod 4 is a cylindrical hard plastic rod or metal rod. The Velcro fleece strap serves as the lower end fixing component 3, which can improve the convenience of connecting the lower end fixing component 3.

[0027] Preferably, Figure 3 As shown, the stretchable power generation layer 5 is a conductive polymer, and the conductive polymer is polyaniline, which can ensure that the stretchable power generation layer 5 undergoes stretching and deformation.

[0028] Preferably, Figure 4 As shown, the positive metal foil layer 53 and the negative metal foil layer 54 are respectively one of copper foil and aluminum foil, the positive metal foil layer 53 serves as a positive electrode, and the negative metal foil layer 54 serves as a negative electrode. When relative friction occurs between the positive friction layer 51 and the negative friction layer 52, the negative charge of the positive friction layer 51 is transferred to the negative friction layer 52, so that the friction side of the positive friction layer 51 is positively charged, and the friction side of the negative friction layer 52 is negatively charged.

[0029] Preferably, Figure 2 As shown, an upper retaining plate 7 is welded to one end of the upper leg guard 6, a reinforcing rib 8 runs through the inner wall of the upper retaining plate 7, straps 9 are welded to both ends of the upper retaining plate 7, and a buffer pad 12 is glued to the inner wall of the retractable power generation layer 5. The buffer pad 12 can absorb the impact received by the knee and reduce the risk of injury to the knee by external force.

[0030] Working principle: When in use, the cushion pad 12 on one side of the retractable power generation layer 5 is adapted to cover the wearer's knee surface in a contracted state, and then the lower retaining plate 1 is closely attached to the wearer's calf, and the lower end fixing component 3 is pulled and fixed to the surface of the lower leg guard 2 by the hard rod 4, so that the lower leg guard 2 is fixed to the wearer's calf, and the upper leg guard 6 is fixed to the wearer's thigh and knee connection through the strap 9. During the wearer's exercise, every time the knee bends and stretches, the retractable power generation layer 5 on the knee surface will correspondingly undergo a telescopic deformation, and during the telescopic deformation process, the positive electrode friction Relative friction occurs between the positive electrode friction layer 51 and the negative electrode friction layer 52, and the negative charge of the positive electrode friction layer 51 is transferred to the negative electrode friction layer 52, so that the friction side of the positive electrode friction layer 51 is positively charged, and the friction side of the negative electrode friction layer 52 is negatively charged, and the electrode end of the positive electrode metal foil layer 53 connected to the positive electrode friction layer 51 is negatively charged, and the electrode end of the negative electrode metal foil layer 54 is positively charged. The current flows from the negative electrode metal foil layer 54 to the positive electrode metal foil layer 53, and forms an induced current. The induced current is a micro current, which provides current support for the sensor component 11, thereby achieving the purpose of saving energy and reducing the use cost of wearable devices.

[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A wearable friction power generation device, comprising a lower leg guard (2), a knee guard structure and an upper leg guard (6), characterized in that: The kneepad structure is connected between the lower leg guard part (2) and the upper leg guard part (6), and comprises a retractable power generation layer (5) having continuous concave and convex parts; the retractable power generation layer (5) comprises a positive electrode friction layer (51) and a negative electrode friction layer (52); a positive electrode metal foil layer (53) is welded on the surface of the positive electrode friction layer (51), a negative electrode metal foil layer (54) is welded on one side of the negative electrode friction layer (52), and an electrical structure is connected in series between the positive electrode metal foil layer (53) and the negative electrode metal foil layer (54) via a wire.

2. A wearable friction power generation device according to claim 1, characterized in that: The lower leg guard (2) is a curved protective plate tangent to and sewn with the knee guard structure. The lower leg guard (2) is adapted and fixed to the wearer's calf. The lower leg guard (2) is composed of an elastic protective plate and a buffer plate.

3. A wearable friction power generation device according to claim 2, characterized in that: The bottom of the lower leg guard (2) is glued and connected to a lower retaining plate (1), which is a plastic plate, a rubber plate or a silicone plate with toughness, and is in the shape of an arc strip.

4. A wearable friction power generation device according to claim 3, characterized in that: The bottom of the lower leg guard (2) is connected to a lower end fixing component (3), and the lower end fixing component (3) is a strip elastic band.

5. A wearable friction power generation device according to claim 3, characterized in that: The lower end fixing component (3) is a Velcro fleece tape, one side of the lower retaining plate (1) is glued and connected with a Velcro hook surface suitable for the Velcro fleece tape, and one end of the lower end fixing component (3) is glued and connected with a hard rod (4), and the hard rod (4) is a cylindrical hard plastic rod or a metal rod.

6. A wearable friction power generation device according to claim 1, characterized in that: The retractable power generation layer (5) is a conductive polymer, and the conductive polymer is one of polyaniline and polythiophene.

7. A wearable friction power generation device according to claim 1, characterized in that: The positive metal foil layer (53) and the negative metal foil layer (54) are respectively copper foil or aluminum foil; the positive metal foil layer (53) serves as a positive electrode, and the negative metal foil layer (54) serves as a negative electrode.

8. A wearable friction power generation device according to claim 1, characterized in that: The electrical structure comprises a switch (10), a rectifying and filtering circuit (13), a sensor component (11) and an ammeter, wherein the sensor component (11) is a temperature sensor.

9. A wearable friction power generation device according to claim 1, characterized in that: An upper retaining plate (7) is welded to one end of the upper leg guard (6), a reinforcing rib (8) penetrates the inner wall of the upper retaining plate (7), binding straps (9) are welded to both ends of the upper retaining plate (7), and a buffer pad (12) is glued to the inner wall of the retractable power generation layer (5).

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