CN213639858U - Self-powered insole - Google Patents

Abstract

The utility model provides a self-powered insole, the purpose is solved current self-powered insole and needs the technical problem that the user additionally done work. The adopted technical scheme is as follows: a self-powered insole comprises an air cushion provided with an opening and a wind power generation mechanism arranged on the outer side of the air cushion, wherein the wind power generation mechanism is provided with a wind wheel corresponding to the opening; the top of the air cushion supports the sole of the foot; a spring support is arranged in the air cushion, and when the spring support naturally extends, the air cushion is in a maximum extension state; when the air cushion extends/contracts, airflow enters/exits the air cushion from the opening to drive the wind wheel to rotate, and mechanical energy is converted into electric energy through the wind power generation mechanism. The utility model discloses can effectively collect the energy under the condition of user's normal motion extra work not, ensure the comfort level of user when walking.

Description

Self-powered insole

Technical Field

The utility model relates to a shoe-pad technical field, concretely relates to self-power shoe-pad.

Background

With the development of the internet of things technology, wearable electronic equipment is widely applied to the fields of medical health, man-machine interaction, life entertainment and the like. At present, the power supply of wearable electronic devices mainly depends on various primary and secondary energy batteries. Wearable electronic equipment need often pay attention to the consumption condition of electric quantity in the use, has influenced people to the normal use of this type of equipment. People have higher and higher requirements on endurance of wearable electronic equipment.

People can generate a large amount of kinetic energy in the walking process. The energy is collected and utilized by applying an energy collecting technology to form a wearable energy supply device on feet, so that the cruising ability of the small-sized low-energy-consumption electronic equipment carried by people can be greatly improved.

Most of the existing foot energy supply devices need to be provided with energy harvesting structures, work is done on the energy harvesting structures through human bodies, and energy is collected, converted and used. Such as: a space is reserved in the sole, a magnet capable of freely moving in a reciprocating mode is arranged in the space and serves as an energy capturing structure, and the magnet slides back and forth along with the walking of a human body, so that the magnetic flux of the surrounding fixed coils is changed to generate electric energy. The foot energy supply device needs the user to do extra work in the movement process, so that the burden of the user is increased; more importantly, the irregular motion of the energy capturing structure breaks the motion rhythm of the human body, and the long-term use of the user can cause diseases such as achilles tendonitis and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a self-power shoe-pad, it can effectively collect the energy under the condition that user's normal motion does not additionally do work, has ensured the comfort level of user when walking.

In order to achieve the above object, the utility model adopts the following technical scheme:

a self-powered insole comprising:

the air cushion is provided with an opening;

the wind power generation mechanism is arranged on the outer side of the air cushion and is provided with a wind wheel corresponding to the opening;

wherein the top of the air cushion supports the sole of the foot;

a spring support is arranged in the air cushion, and when the spring support naturally extends, the air cushion is in a maximum extension state;

when the air cushion extends/contracts, airflow enters/exits the air cushion from the opening to drive the wind wheel to rotate, and mechanical energy is converted into electric energy through the wind power generation mechanism.

Optionally, the wind wheel is of a turbine structure and is arranged in the wheel shell; and the air inlet of the wheel shell is communicated with the opening of the air cushion.

Optionally, the opening is formed in one side of the front section of the air cushion, and the air cushion is provided with an air inlet at the rear end and is adapted to a one-way valve for preventing air flow from flowing out.

Optionally, the air cushion comprises a flat top plate, a flat bottom plate and a folded edge surrounding the edge to connect the top plate and the bottom plate; the folding edge is of a z-shaped folding structure which is folded up and down.

Optionally, a substrate is arranged at the bottom of the air cushion; the base comprises a base plate correspondingly matched with the bottom plate and a vertical edge which is arranged at the edge of the base plate and forms a limit to the outer side of the folded edge; the height of the vertical edge gradually increases along the front and the back of the substrate.

Optionally, the front section of the bottom plate has a step, so that an accommodating space is formed between the front section of the air cushion and the substrate; and a piezoelectric power generation module is arranged in the accommodating interval.

Optionally, a hard convex edge with the same height as the step is arranged along the edge of the middle and rear sections of the bottom plate, and the top of the hard convex edge is fixedly connected with the bottom of the folding edge; the opening and the air inlet are arranged on the hard convex edge.

Optionally, the piezoelectric power generation module includes an upper support and a lower support extending along the left and right directions of the insole, and a piezoelectric beam disposed therebetween; the upper support and the lower support are both in an arch shape, and two ends of the upper support and the lower support are respectively connected with the piezoelectric beam; the height of the piezoelectric power generation module in the maximum extension state is the same as the height of the accommodation space.

Optionally, the vertical edge is provided with an interlayer, and an additional module is arranged in the interlayer; the upper surface of the base plate is provided with a wire groove, and the additional module is respectively electrically connected with the piezoelectric power generation module and the wind power generation mechanism through wires arranged in the wire groove.

Optionally, a sheet-shaped pressure sensor is arranged on the upper surface of the top plate, and the shape of the pressure sensor is matched with that of the top plate.

The utility model discloses a theory of operation does: the foot exerts a cyclic pressure on the insole during walking. The air cushion is compressed and contracted, and the air inside the air cushion can form airflow flowing out from the opening, so that the wind wheel of the wind power generation mechanism is driven to rotate, and mechanical energy is converted into electric energy. When a user lifts the legs, the air cushion extends under the support of the spring, and air can be sucked from the outside; the air current flows into the air cushion from the opening hole, and can drive the wind wheel of the wind power generation mechanism to rotate, so that mechanical energy is converted into electric energy.

Therefore, the utility model has the advantages that: the human body is used as the energy capturing mechanism, so that energy can be effectively collected under the condition that a user does not additionally do work during normal movement, and the comfort level of the user during walking is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the assembly of the present invention;

FIG. 2 is a schematic view of the structure of the air cushion;

FIG. 3 is a schematic view of the spring support in the air cushion;

FIG. 4 is a top view of a substrate;

FIG. 5 is an assembly view of the piezoelectric power generation module;

reference numerals: 1. an air cushion; 11. opening a hole; 12. a spring support; 13. a one-way valve; 14. a top plate; 15. a base plate; 151. a step; 152. a hard convex edge; 16. folding the edges; 2. a wind power generation mechanism; 21. a wind wheel; 22. a wheel housing; 3. a substrate; 31. a substrate; 311. a wire slot; 32. standing; 321. an interlayer; 4. a piezoelectric power generation module; 41. an upper support; 42. a lower support; 43. a piezoelectric beam; 5. an additional module; 6. a pressure sensor.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the present invention, it should be understood that the toe is "front" and the heel is "rear". The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Embodiments of the present invention will be described in detail below with reference to fig. 1 to 5.

The embodiment of the utility model provides a self-power shoe-pad, this shoe-pad includes:

the air cushion 1 is provided with an opening 11;

the wind power generation mechanism 2 is arranged outside the air cushion 1 and is provided with a wind wheel 21 corresponding to the opening hole 11; it should be understood that the wind power generation mechanism 2 is mainly composed of a wind wheel 21, a rotor coaxially and fixedly connected with the wind wheel 21, and a stator adapted to the rotor; wind power generation is a mature prior art per se, and the principle thereof is not described in detail herein.

Wherein, the top of the air cushion 1 supports the sole of the foot;

a spring support 12 is arranged in the air cushion 1, and when the spring support 12 naturally extends, the air cushion 1 is in a maximum extending state; it should be understood that the spring support 12 may be secured within the cushion 1 by adhesive; an annular ridge which limits the position of the spring support 12 can also be arranged at the bottom in the air cushion 1.

When the air cushion 1 extends/contracts, the air flow enters/exits the air cushion 1 from the opening 11 to drive the wind wheel 21 to rotate, and the mechanical energy is converted into electric energy through the wind power generation mechanism 2. It should be understood that the insole is usually integrated with a power management module, and the electric energy generated by the wind power generation mechanism 2 is usually not directly transmitted to the electronic equipment or the power utilization module, but transmitted to the power management module, and the power management module rectifies, stabilizes and stores the input electric energy, and then provides the electric energy to the electronic equipment needing power utilization.

The following describes embodiments of the present invention, in which the foot can generate periodic pressure on the insole during walking. The air cushion 1 is compressed and contracted, and the air inside the air cushion can form air flow to flow out from the open hole 11, so that the wind wheel 21 of the wind power generation mechanism 2 is driven to rotate, and mechanical energy is converted into electric energy. When a user lifts the legs, the air cushion 1 extends under the action of the spring support 12, and air is sucked from the outside; the air flow flowing into the air cushion 1 from the opening 11 will drive the wind wheel 21 of the wind power generation mechanism 2 to rotate, thereby converting the mechanical energy into electric energy. The utility model discloses regard as the energy harvesting mechanism with the human body, can effectively collect the energy under the condition that the user normally moves and does not additionally do work, ensure the comfort level of user when the walking.

In one embodiment of the present application, the wind wheel 21 is of a turbine structure and is disposed in a wheel shell 22; the air inlet of the wheel housing 22 is communicated with the opening hole 11 of the air cushion 1. It should be understood that the wheel housing 22 has an air inlet and an air outlet, and when the air flow flows into the wheel housing 22 from the air inlet, the air flow drives the wind wheel 21 of the turbine structure to rotate forward; on the contrary, when the air flow flows into the wheel housing 22 from the original air outlet, the wind wheel 21 of the turbine structure is driven to rotate reversely. When the airflow drives the wind wheel 21 to rotate forwards, the efficiency of collecting energy is higher; accordingly, the airflow is subject to greater resistance. On the contrary, when the wind wheel 21 is driven to rotate reversely by the airflow, the efficiency of collecting energy is lower; accordingly, the airflow is less resistant.

In one embodiment of the present application, the opening 11 is provided at one side of the front section of the air cushion 1, and the air cushion 1 is provided with an air inlet at the rear end and is adapted with a one-way valve 13 for preventing the air flow from flowing out. It should be understood that the air cushion 1 has the characteristics of rapid air discharge and slow air suction, and the air cushion 1 can be rapidly restored to the maximum extension state by additionally arranging the air inlet holes which are in tandem with the openings 11, so that the volume of the air cushion 1 is fully utilized, and the energy collection effect and the energy conversion efficiency are improved.

In one embodiment presented herein, the cushion 1 comprises a flat top plate 14 and a bottom plate 15, and a folded edge 16 connecting the top plate 14 and the bottom plate 15 around the edge; the folding edge 16 is a z-shaped folding structure which is folded up and down.

In one embodiment presented in the present application, a substrate 3 is disposed at the bottom of the air cushion 1; the base 3 comprises a base plate 31 correspondingly matched with the bottom plate 15 and a vertical edge 32 which is arranged at the edge of the base plate 31 and forms a limit to the outer side of the folded edge 16; the height of the vertical edge 32 gradually increases along the base plate 31.

In one embodiment of the present application, the front section of the bottom plate 15 has a step 151, so that a receiving space is formed between the front section of the air cushion 1 and the base 3; and a piezoelectric power generation module 4 is arranged in the accommodating interval. It will be appreciated that the mid-rear section of the sole plate 15 is flush with the substrate 3; when a user walks, the piezoelectric power generation module 4 is subjected to periodic pressure, generates electric energy through piezoelectric effect and transmits the electric energy to the power management module. A spring support 12 can be respectively arranged at the front, middle and back of the air cushion 1, and the diameter of the spring support 12 is adjusted along with the left and right width of the air cushion 1 at the position of the spring support; the two spring supports 12 located at the middle section and the rear section of the air cushion 1 have the same number of spring turns, and the spring supports 12 located on the upper surface of the step 151 at the front section of the air cushion 1 have fewer spring turns than the two spring supports, so as to adapt to the upper and lower space of the air cushion 1. The utility model discloses plantar atress condition when to human motion mainly adopts piezoelectricity electricity generation module 4 to carry out energy collection at the shoe-pad anterior segment, and the back end drives wind power generation mechanism 2 through 1 shrink of air cushion and carries out energy collection in the shoe-pad, and the atress characteristics of foot when according with human walking can carry out high-efficient combined type to energy and collect and convert the electric energy to save when not influencing the normal motion of user.

In one embodiment of the present application, a hard convex edge 152 having the same height as the step 151 is disposed along the edge of the middle rear section of the bottom plate 15, and the top of the hard convex edge 152 is fixedly connected to the bottom of the folded edge 16; the opening 11 and the air inlet hole are arranged on the hard flange 152. It should be understood that the top plate 14 and the folded edge 16 are of an integral structure, can be made of flexible material, and are made by 3d printing or silica gel casting after machining a mold; the bottom plate 15 with the stereoplasm chimb 152 formula structure as an organic whole, optional stereoplasm material is made by 3d printing or machining. The spring support 12 is clamped or adhered to the base plate 15, and then the folded edge 16 is adhered to the rigid flange 152, thereby assembling the air cushion 1. Then, the middle and rear sections of the bottom plate 15 are bonded to the substrate 31, and the front section of the bottom plate 15 is bonded to the piezoelectric power generation module 4; finally, inserting the one-way valve 13 into an air inlet hole at the rear end of the air cushion 1 and sealing the air inlet hole, and inserting an air inlet of a wheel shell 22 of the wind power generation mechanism 2 into the opening hole 11 in the side surface of the air cushion 1 and sealing the air inlet hole; thus, the assembly of the air cushion 1 and the substrate 3 is completed. In addition, the base 3 may be provided with a through vertical edge 32 corresponding to a first limit groove or a first limit hole of the check valve 13 and a second limit groove or a second limit hole of the wind power generation mechanism 2, so as to limit and fix the check valve 13 and the wind power generation mechanism 2 respectively. In addition, for the middle and rear sections of the air cushion 1, the height of the folded edge 16 after being completely compressed plus the height of the hard edge is matched with the height of the spring support 12 at the position after being completely compressed; for the front section of the cushion 1 without the rigid raised edge 152, the fully compressed height of the folded edge 16 is matched to the fully compressed height of the spring support 12.

In one embodiment of the present application, the piezoelectric power generation module 4 includes an upper support 41, a lower support 42 extending in the left-right direction of the insole, and a piezoelectric beam 43 disposed therebetween; the upper support 41 and the lower support 42 are both in an arc shape, and two ends of the upper support and the two ends of the lower support are respectively connected with the piezoelectric beam 43; the height of the piezoelectric power generation module 4 in the maximum extension state is the same as the height of the accommodation space. It should be understood that the upper surface of the piezoelectric power generating module 4 is adhered to the air cushion 1, the lower surface is adhered to the substrate 31, and the upper support 41 and the lower support 42 are respectively connected to the piezoelectric beam 43 by adhesion. Piezoelectric power generation is known in the art and the principle thereof will not be described in detail here.

In one embodiment presented herein, the vertical edge 32 is provided with an interlayer 321, and an additional module 5 is arranged in the interlayer 321; the upper surface of the substrate 31 is provided with a wire slot 311, and the additional module 5 is electrically connected with the piezoelectric power generation module 4 and the wind power generation mechanism 2 through wires arranged in the wire slot 311. It should be understood that the power management module is also installed within mezzanine 321; the additional module 5 can be one or more of a Bluetooth module, a GPS positioning module, a large-capacity energy storage module, a GSM communication module and a buzzer module, and can be selectively installed according to functional requirements. For example: a high-capacity energy storage module is installed when the outdoor energy is required to be reserved; the GPS positioning module and the GSM communication module are installed to meet the requirement of preventing the old people from being lost.

In one embodiment presented herein, the top plate 14 is provided with a sheet-like pressure sensor 6 on its upper surface, and the pressure sensor 6 is shaped to fit the top plate 14. It should be understood that the pressure sensor 6 may be made of flexible material to form a shoe pad, and a stacked capacitive sensing unit array is used, so that the sensor is not required to be powered and has high sensitivity, and is integrally attached to the upper surface of the air cushion 1, and after being subjected to pressure, each sensing unit in the array transmits a signal to the additional module 5. Pressure sensor 6 can cooperate bluetooth module to carry out work, and the pressure signal that the user produced after the motion transmits to mobile terminal through bluetooth module to show plantar pressure state and analysis walking gesture, and then realize correcting the instruction in real time to walking gesture. Pressure sensor 6 still can cooperate GSM communication module and buzzer module to carry out work, carries out automatic alarm when the old person falls down.

Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that changes and modifications may be made to these embodiments without departing from the principles and spirit of the invention, and these changes and modifications are intended to fall within the scope of the invention.

Claims (10)

1. A self-powered insole, comprising:

an air cushion (1) provided with an opening (11);

the wind power generation mechanism (2) is arranged on the outer side of the air cushion (1) and is provided with a wind wheel (21) corresponding to the opening hole (11);

wherein the top of the air cushion (1) supports the sole of the foot;

a spring support (12) is arranged in the air cushion (1), and when the spring support (12) naturally extends, the air cushion (1) is in a maximum extending state;

when the air cushion (1) extends/contracts, airflow enters/exits the air cushion (1) from the opening (11) to drive the wind wheel (21) to rotate, and mechanical energy is converted into electric energy through the wind power generation mechanism (2).

2. The self-powered insole according to claim 1, wherein: the wind wheel (21) is of a turbine structure and is arranged in the wheel shell (22); the air inlet of the wheel shell (22) is communicated with the opening hole (11) of the air cushion (1).

3. Self-powered insole according to claim 1 or 2, wherein: the opening (11) is formed in one side of the front section of the air cushion (1), and the air cushion (1) is provided with an air inlet hole in the rear end and is matched with a one-way valve (13) for preventing air flow from flowing out.

4. Self-powered insole according to claim 3, characterized in that said air cushion (1) comprises:

a flat top plate (14);

a flat base plate (15); and

a folded edge (16) connecting the top plate (14) and the bottom plate (15) around the edge;

wherein the folding edge (16) is of a vertically folded z-shaped folding structure.

5. Self-powered insole according to claim 4, characterised in that the bottom of said air cushion (1) is provided with a base (3); the substrate (3) comprises:

a base plate (31) correspondingly matched with the bottom plate (15); and

a vertical edge (32) which is arranged at the edge of the substrate (31) and forms a limit for the outer side of the folded edge (16);

wherein the height of the vertical edge (32) is gradually increased from front to back along the base plate (31).

6. The self-powered insole according to claim 5, wherein: the front section of the bottom plate (15) is provided with a step (151) so that a containing interval is formed between the front section of the air cushion (1) and the substrate (3); and a piezoelectric power generation module (4) is arranged in the accommodating interval.

7. The self-powered insole according to claim 6, wherein: the middle rear section of the bottom plate (15) is provided with a hard convex edge (152) with the same height as the step (151) along the edge, and the top of the hard convex edge (152) is fixedly connected with the bottom of the folding edge (16); the opening (11) and the air inlet hole are arranged on the hard convex edge (152).

8. Self-powered insole according to claim 6, wherein said piezoelectric power generation module (4) comprises:

an upper support (41) extending in the right-left direction of the insole;

a lower support (42) extending in the right-left direction of the insole; and

a piezoelectric beam (43) disposed therebetween;

the upper support (41) and the lower support (42) are both in an arc shape, and two ends of the upper support and the lower support are respectively connected with the piezoelectric beam (43); the height of the piezoelectric power generation module (4) in the maximum extension state is the same as the height of the accommodation space.

9. The self-powered insole according to claim 6, wherein: the vertical edge (32) is provided with an interlayer (321), and an additional module (5) is arranged in the interlayer (321); the upper surface of the base plate (31) is provided with a wire groove (311), and the additional module (5) is respectively electrically connected with the piezoelectric power generation module (4) and the wind power generation mechanism (2) through wires arranged in the wire groove (311).

10. The self-powered insole according to claim 9, wherein: the upper surface of the top plate (14) is provided with a sheet-shaped pressure sensor (6), and the shape of the pressure sensor (6) is matched with that of the top plate (14).

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