KR101784819B1

KR101784819B1 - Combat shoes using piezoelectric element

Info

Publication number: KR101784819B1
Application number: KR1020160021506A
Authority: KR
Inventors: 은성배; 윤영선; 김찬호; 임승호
Original assignee: 한남대학교 산학협력단
Priority date: 2015-02-23
Filing date: 2016-02-23
Publication date: 2017-10-12
Also published as: KR20160102920A

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a combat boot using a piezoelectric element, and more particularly, to a combat boot using a piezoelectric element, including a body for wrapping a foot, a cushion for absorbing impact from the ground, A first light emitting portion electrically connected to the piezoelectric element and mounted on the outer side of the front side of the electric motor, and a second light emitting portion electrically connected to the piezoelectric element and mounted on an outer rear side of the electric motor, The present invention relates to a combat using a piezoelectric element which is easy to watch forward or to inform its rear position of its position while minimizing exposure to an enemy during a night march or an exhibition situation.

Description

{COMBAT SHOES USING PIEZOELECTRIC ELEMENT}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a combat method using a piezoelectric element, and more particularly, to a combat method using electric energy generated by a piezoelectric element provided in a soled soled during walking.

Energy harvesting is a technology that collects and recycles energy that is abandoned or consumed in everyday life.

Here, the energy harvesting technique using a piezoelectric element means that, when a mechanical deformation is applied to a piezoelectric element, energy such as abandoned force, pressure, and vibration is converted into electric energy by utilizing the effect of generating electric energy do.

The main source of energy for this energy harvesting technique is to use unrestricted energy as opposed to using limited energy such as vibration, human motion, light, heat,

The energy harvesting technology using piezoelectric elements is advantageous not only in converting small vibration or pressure into electric energy but also in energy conversion efficiency as compared with other power generation methods.

It is known that the kinetic energy generated through the gait operation among various energy harvest energy sources is the most usual and relatively high power can be obtained.

In general, people wear shoes to protect their feet or absorb shock when walking.

FIG. 1 is a perspective view showing a typical military battle, and FIG. 2 is a perspective view showing a conventional military flashlight.

Referring to FIGS. 1 and 2, soldiers wear combat shoes in a training situation. In case of marching at night, it is inconvenient to have a flashlight, and when the user holds a gun in his hand or a gun on his shoulder, And there is a problem that an emergency battery for a flashlight must be always carried.

It is not easy to maintain a ranks with other soldiers, such as flashing a flashlight forward in order to see ahead even during the nighttime march, and having to rely on the flashlight of other soldiers when there is an error in the flashlight. The light of the flashlight is too strong and it is easily exposed to the enemy.

A technique relating to the present invention is disclosed in Korean Patent Laid-Open Publication No. 10-1993-0021120 (published on November 22, 1993), and the above-mentioned document discloses a safety protection shoe with a flicker mechanism.

An object of the present invention to solve the above problems is to provide a battle using a piezoelectric element that is easy to keep an eye on the enemy while watching the front side or informing the rear party members of their position in the night march or exhibition situation It is in the cage.

According to an aspect of the present invention, there is provided a method of combat using a piezoelectric element comprising a body for wrapping a foot, a cushion for absorbing an impact from the ground during a walk, A piezoelectric element for generating electric power by using a pressure applied from the ground during walking; a first light emitting part electrically connected to the piezoelectric element and mounted on the outer side of the armature; and a second light emitting part electrically connected to the piezoelectric element And a second light emitting unit mounted on an outer rear side of the combat image.

In addition, a combus- tion using a piezoelectric element according to an embodiment of the present invention is electrically connected to the first light emitting portion and the second light emitting portion so that power can be turned on and off, and the first light emitting portion and the second light emitting portion And a switch portion for selecting an operation.

In addition, the combat using the piezoelectric element according to an embodiment of the present invention may include a pressing part mounted on the lower part of the piezoelectric element to raise the pressure applied from the ground.

According to an embodiment of the present invention, the pressing portion is protruded to the outside through the cushion portion in order to increase frictional force between the surface and the ground.

The first light emitting portion and the second light emitting portion may be spaced apart from each other along the outer circumferential surface of the cushion portion according to an embodiment of the present invention.

The batting according to the present invention can use a piezoelectric element and a light emitting device to minimize the exposure to the enemy during the night marching or the display situation and to easily watch the forward or inform the rearward member of his / her position.

Especially, in the night march, most soldiers do not need bright light such as a flashlight to walk only on the ground, and when considering the display situation, the strong light greatly increases the risk of being exposed to the enemy, The light emitting portion operated by the device can emit light of the most appropriate intensity.

Further, the pressurizing portion can be mounted to the lower portion of the piezoelectric element, and the pressurizing portion can further increase the power generation efficiency by directly transmitting the pressure applied from the ground to the piezoelectric element without a large power loss.

Further, the pressing portion may protrude from the cushion portion through the cushion portion. In this case, the pressing portion performs a spike function to greatly increase the frictional force between the surface and the ground, and slip from slippery ice or snow The power generation efficiency and the slip prevention function can be realized at the same time.

1 is a perspective view showing a conventional military combat.
2 is a perspective view showing a conventional military flashlight.
3 is a perspective view showing the side view of the combat using the piezoelectric element according to the first embodiment of the present invention.
FIG. 4 is a view illustrating a state in which the first light emitting unit is operated in the combat state shown in FIG. 3. FIG.
FIG. 5 is a view illustrating a state in which the second light emitting unit is operated in the combat state of FIG. 3. FIG.
Fig. 6 is a rear perspective view of the combat using the piezoelectric element according to the second embodiment of the present invention.
7 is a perspective view showing a side view of a combat using a piezoelectric element according to a third embodiment of the present invention.
FIG. 8 is a perspective side view of the combat using the piezoelectric element according to the fourth embodiment of the present invention. FIG.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving it will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings.

The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

3 is a perspective view showing the side view of the combat using the piezoelectric element according to the first embodiment of the present invention.

3, the combine 10 using the piezoelectric element 110 according to an embodiment of the present invention includes a body portion 200, a cushion portion 100, a piezoelectric element 110, a first light emitting portion 140 And a second light emitting unit 150. [0031]

The body part 200 has a structure similar to that of a normal footwear for worn by a user wearing a foot. At this time, the tightening member for tightening the body part 200 is shown as being tightened with a combat string for the sake of convenience, but various methods such as an elastic body method such as rubber or a Velcro type can be used depending on the application.

In addition, although the present invention is described as a main embodiment in general, the present invention can be applied to various shoes such as a boots, a running shoes, a work shoes or a running shoes in addition to the combat boots.

The cushion unit 100 is provided at a lower portion of the body unit 200 to perform a sole function of the combat shoes 10 and absorb shocks from the ground during walking to perform a shock absorbing function to mitigate the impact between the feet and the ground And may be formed of an elastic body.

The cushion part 100 may be provided with a piezoelectric element 110 for generating electric power by using a pressure applied from the ground when walking. The pressure applied to the cushion part 100 when the user is walking or running can pressurize the piezoelectric element 110 to generate electric energy.

The piezoelectric element 110 is a device that generates a voltage when mechanical stress is applied and is distorted when a voltage is applied thereto, or a device using piezoelectric ceramics. When a voltage is applied to the piezoelectric element 110, the voltage changes. Conversely, when the voltage is applied, the piezoelectric element 110 expands or shrinks .

Some piezoelectric ceramics are made of crystal or sintered barium titanate, but most widely used are lead titanate zirconate and the like, and may include all piezoelectric devices used in the technical field.

The first light emitting unit 140 may be mounted on the outer side of the front side of the combat 10 and the second light emitting unit 150 may be mounted on the rear side of the combat 10.

The light emitting portion may be electrically connected to the piezoelectric element 110 through the electric wire 170, and a connection means such as the electrode 160 for electrical connection may be additionally mounted.

When the first light emitting portion 140 is operated, the first light emitting portion 140 is mounted on the outer side of the combine 10, light is emitted toward the front side, and a front view is secured without a light emitting means such as a flashlight can do.

When the second light emitting unit 150 is operated, the second light emitting unit 150 emits light toward the rear as the second light emitting unit 150 is mounted on the rear side of the combat 10, So that the ranks can be maintained.

In the night march, most soldiers do not need a bright light like a flashlight to walk only on the ground, and when considering the display situation, the strong light greatly increases the risk of being exposed to the enemy. The light emitting portion operated by the light emitting portion can emit light of the most appropriate intensity.

Particularly, when the first light emitting unit 140 and the second light emitting unit 150 are LED lights, since they are visible at a suitable distance at night, they are very advantageous for concealing the night march or the display situation have.

At this time, a charging device, which is electrically connected to the piezoelectric element 110 and can store electrical energy generated by the piezoelectric element 110, may be further mounted.

However, in the absence of such a charging device, the first light emitting portion 140 and the second light emitting portion 150 are not always operated when walking, but only when the feet touch the ground due to the walking motion, The additional operation can be performed, and in this case, the concealing function can be performed more efficiently.

The combine 10 using the piezoelectric element 110 according to an embodiment of the present invention is electrically connected to the first light emitting part 140 and the second light emitting part 150 to enable power on and off, And a switch unit 120 for selecting the operation of the first light emitting unit 140 and the second light emitting unit 150.

The switch unit 120 may include a switch 130, a power-off unit 131, a front operation unit 132 and a rear operation unit 133. The switch 130 may include a power-off unit 131, To the front operation portion 132 or the rear operation portion 133, as a default. The structure of the switch unit 120 may be a conventional structure well known in the art, and is not limited to this structure.

FIG. 4 is a view illustrating a state in which the first light emitting unit is operated in the combat state of FIG. 3, and FIG. 5 is a view illustrating a state in which the second light emitting unit is operated in the combat state of FIG.

3, the first light emitting unit 140 and the second light emitting unit 150 do not operate when the switch is located in the power off unit 131. When the switch is moved toward the front operation unit as shown in FIG. 4, The first light emitting unit 140 mounted on the outer side of the battle 10 may operate to illuminate the forward view. When the switch moves toward the rear operating unit as shown in FIG. 5, The second light emitting unit 150 mounted on the second light emitting unit 150 is operated to transmit the position alarm toward the rear.

Fig. 6 is a rear perspective view of the combat using the piezoelectric element according to the second embodiment of the present invention.

3 to 5, the light emitting portion is mounted on the outer side of the body portion 200 of the combine 10, and the number of the light emitting portions is one in the forward direction and one in the rear direction. However, this corresponds to one example, It is possible to mount the light emitting part on the outer side of the cushion part 100 which generates a frictional force with the ground surface and to mount the light emitting part on the outer side of the body part 200 or the cushion part 100, And may be formed in a plurality of spaces spaced apart from each other by a predetermined distance.

7 is a perspective view showing a side view of a combat using a piezoelectric element according to a third embodiment of the present invention.

Referring to FIG. 7, a combus- tion 10 using a piezoelectric element according to an embodiment of the present invention includes a pressing part (not shown) mounted on the lower part of the piezoelectric element 110 and adapted to increase a pressure applied from the ground, 180 < / RTI >

The pressing portion 180 may be an elastic body having a relatively small elastic size as compared with the cushion portion 100. The pressing portion 180 may be made of a synthetic polymer or a metal material having a high strength, And may be formed in plurality.

In the absence of the pressing portion 180, when the wearer makes a walk, a power loss is generated by the cushion portion 100, which is an elastic body, from the ground, and the pressing portion 180 applies a pressure The power generation efficiency can be further increased by directly transmitting the power to the piezoelectric element 110 without power loss.

FIG. 8 is a perspective side view of the combat using the piezoelectric element according to the fourth embodiment of the present invention. FIG.

The pressing portion 180 may be accommodated in the cushion portion 100 as shown in FIG. 7, but it may protrude outward through the cushion portion 100 as shown in FIG. 8. In this case, 180) can greatly increase the friction between the combat fire and the ground by performing the spike function, and prevent slippage from slippery ice or snowy roads in a cold weather march, thereby achieving power generation efficiency and slip prevention function simultaneously.

While the present invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not limited to the disclosed embodiments. That is, within the scope of the present invention, all of the components may be selectively coupled to one or more of them. Furthermore, the terms "comprises", "comprising", or "having" described above mean that a component can be implanted unless otherwise specifically stated, But should be construed as including other elements. All terms, including technical and scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. Commonly used terms, such as predefined terms, should be interpreted to be consistent with the contextual meanings of the related art, and are not to be construed as ideal or overly formal, unless expressly defined to the contrary.

10: Combat
20: Flashlight
100: Cushion part
110: piezoelectric element
120:
130: switch
131: power off section
132: front operating portion
133: rear operating portion
140: first light emitting portion
150:
160: electrode
170: Wires
180:
200:

Claims

A body for wrapping the foot;
A cushion provided at a lower portion of the body for absorbing impact from the ground during walking;
A piezoelectric element built in the cushion part and generating electric power by using a pressure applied from a ground when walking;
A first light emitting part electrically connected to the piezoelectric element and mounted on an outer side of a front side of the combat;
A second light emitting portion electrically connected to the piezoelectric element and mounted on an outer rear side of the armature;
A switch unit electrically connected to the first light emitting unit and the second light emitting unit to turn on and off a power source and to select operation of the first light emitting unit and the second light emitting unit; And
A piezoelectric element mounted on the lower portion of the piezoelectric element and adapted to pressurize the piezoelectric element,
Lt; / RTI >
Wherein the pressing portion is protruded to the outside through the cushion portion to increase the frictional force between the engaging surface and the ground,
Wherein the switch section includes a switch, a power-off section, a front operating section, and a rear operating section,
The switch
The power-off part is moved toward the front operation part or the rear operation part by default,
When moving toward the front operating portion, the first light emitting portion is operated
And the second light emitting unit operates when the second light emitting unit moves toward the rear operation unit.

delete

The method according to claim 1,
Wherein the first light emitting portion and the second light emitting portion are spaced apart from each other at a predetermined interval along the outer circumferential surface of the cushion portion.