KR101020972B1 - Light Emittion Diode lighting display unit using power generation of handle play - Google Patents

Light Emittion Diode lighting display unit using power generation of handle play Download PDF

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Publication number
KR101020972B1
KR101020972B1 KR1020090010171A KR20090010171A KR101020972B1 KR 101020972 B1 KR101020972 B1 KR 101020972B1 KR 1020090010171 A KR1020090010171 A KR 1020090010171A KR 20090010171 A KR20090010171 A KR 20090010171A KR 101020972 B1 KR101020972 B1 KR 101020972B1
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South Korea
Prior art keywords
handle
main body
generator
led element
optical fiber
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KR1020090010171A
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Korean (ko)
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KR20100090937A (en
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정영옥
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정영옥
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L13/00—Electric lighting devices with built-in electric generators
    • F21L13/06—Electric lighting devices with built-in electric generators with mechanical drive, e.g. spring
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63G—MERRY-GO-ROUNDS; SWINGS; ROCKING-HORSES; CHUTES; SWITCHBACKS; SIMILAR DEVICES FOR PUBLIC AMUSEMENT
    • A63G31/00—Amusement arrangements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
    • F21V2200/10—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of the optical fibres type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Abstract

본 발명은 핸들 놀이기구의 발전을 이용한 엘이디 점멸 디스플레이장치에 관한 것으로서, 속이 빈 상자형의 본체(11) 전면으로부터 회전축(12)에 회전가능하게 설치되는 핸들(10)과, 상기 본체(11)의 내부측으로 위치하는 상기 회전축(12) 상에 설치되어 회전력에 대한 유도기전력을 발생시키는 발전기(20)와, 상기 발전기(20)로부터 전선(L)으로 연결 설치되는 한편, 본체(11) 내에 마련되는 지지브라켓(31)에 상호 대향되어 발생한 유도기전력으로서 점등하는 엘이디소자(30)와, 상호 대응되는 엘이디소자(30)를 포함하는 형태로 연결 설치되어 점등된 빛을 산란하는 광섬유부재(40)와, 상기 본체(11)의 상부에 광섬유부재(40)로부터 산란되는 빛을 외부로 보여주기 위한 투시창(50)을 포함하여 구성된 것을 특징으로 하는바, 놀이시설에서 유아들이나 초등학교 아이들이 쉽게 접하여 가지고 놀 수 있는 핸들에 발전기를 접목시키고, 이 발전기를 통해 핸들의 회전작용으로 유도기전력을 발생하여 주어진 엘이디소자를 통해 엘이디소자에 연결된 광섬유부재에 불빛을 점등시킬 수 있고, 이를 투시창으로부터 지켜볼 수 있는 놀이기구를 제공함으로서, 보다 효율적인 운동효과와 함께 학습에 필요한 발전의 원리, 전기의 공급, 불빛의 점등의 원리 이해에 따른 학습효과를 제공할 수 있어, 놀이시설에서의 이용도를 높일 수 있는 효과가 있다.The present invention relates to an LED blink display device using the development of the handle play equipment, the handle 10 is rotatably installed on the rotating shaft 12 from the front of the hollow box-shaped main body 11, and the main body 11 The generator 20 is installed on the rotating shaft 12 positioned to the inner side of the generator 20 and generates an induced electromotive force for rotational force, and is installed in the main body 11 while being connected to the electric wire L from the generator 20. The optical fiber member 40 which is connected and installed in the form of an LED element 30 which is turned on as an induced electromotive force generated by opposing each other to the support bracket 31, and the LED element 30 corresponding thereto, and scatters the light that is turned on. And, the upper part of the main body 11, characterized in that it comprises a viewing window 50 for showing the light scattered from the optical fiber member 40 to the outside, the children in the play facilities or elementary school children The generator is connected to the handle that can be easily touched and played, and through this generator, the induced electromotive force is generated by the rotation of the handle to light a light on the optical fiber member connected to the LED element through a given LED element, and from the viewing window By providing a play equipment that can be watched, it can provide more efficient exercise effect and learning effect by understanding the principle of power generation, electricity supply, and light lighting. It can increase the effect.

핸들, 회전축, 발전기, 엘이디소자, 광섬유부재, 투시창 Handle, rotating shaft, generator, LED element, optical fiber member, viewing window

Description

핸들 놀이기구의 발전을 이용한 엘이디 점등 디스플레이장치{Light Emittion Diode lighting display unit using power generation of handle play}Light emitting diode lighting display unit using power generation of handle play}

본 발명은 놀이기구에 관한 것으로서, 좀더 상세하게는 유아 및 어린이들을 위한 놀이시설에 있어, 핸들 놀이기구에 발전기를 접목시켜 핸들링시 요구되는 색상의 엘이디를 점등시켜 보여줄 수 있도록 하여 전기에너지의 발전원리를 학습하도록 함과 동시에 놀이에 대한 흥미와 운동효과를 가질 수 있도록 한 핸들 놀이기구의 발전을 이용한 엘이디 점멸 디스플레이장치에 관한 것이다.The present invention relates to a play equipment, and more particularly, in a play facility for infants and children, by combining the generator to the handle play equipment so as to light up the LED of the color required when handling the principle of the development of electrical energy The present invention relates to an LED flashing display device using the development of the handle play equipment to enable learning and at the same time have an interest and movement effect on the play.

일반적으로 아파트 단지, 공원의 놀이시설에는 녹지시설과 함께 미끄럼틀, 그네, 철봉, 구름다리 건너기등의 각종 놀이기구가 종합적으로 설치된 조합 놀이대가 설치되어 유아를 포함한 어린이들이 이를 이용함으로써 운동효과와 함께 어울릴 수 있도록 하고 있다.In general, apartment complexes and parks are equipped with green playgrounds and slides, swings, iron rods, and crosswalks. To make it possible.

놀이시설에는 학습효과를 갖도록 한 놀이기구 등이 설치되어 있는바, 간단하게 움직일 수 있는 것과, 소리를 낼 수 있는 것 등등의 시설을 포함하고 있다.The amusement facilities are equipped with play equipments for learning effects, and include facilities such as being able to move easily and make a sound.

그러나 일반적인 간단한 놀이시설은 흥미가 쉽게 떨어지기 마련이어서 놀이시설에 있어 자리를 차지하고, 구색을 맞추는 정도이다.However, in general, simple amusement facilities tend to lose interest, so they occupy a place in the playground and meet an assortment.

바람직하게는 기구 또는 전기적인 원리를 이용한 놀이기구의 설치가 학습 및 운동효과의 발달에 요과적이지만 안전성 문제와 함께 유지보수 등이 어렵다는 이유에서 시설이 부족한 편이다. Preferably, the installation of the play equipment using the mechanism or the electrical principle is inconvenient for the development of learning and exercise effect, but the lack of facilities due to the difficulty of maintenance and safety problems.

본 발명은 상기와 같이 제반 점을 해결하기 위하여 안출된 것으로서, 그 목적은 유아 및 어린이들을 위한 놀이시설에 있어, 핸들 놀이기구에 발전기를 접목시켜 핸들링시 요구되는 색상의 엘이디를 점등시켜 보여줄 수 있도록 하여 전기에너지의 발전원리를 학습하도록 함과 동시에 놀이에 대한 흥미와 운동효과를 가질 수 있도록 하는데 있다.The present invention has been made in order to solve the various points as described above, the object of the play facilities for infants and children, by grafting the generator to the handle play equipment so that the LED of the color required for handling can be turned on By learning the principle of the development of electrical energy, it is possible to have an interest and movement effect on play.

상기 목적을 달성하기 위한 본 발명에 의하면, 속이 빈 상자형의 본체의 전면으로부터 회전축에 회전가능하게 설치되는 핸들과, 상기 본체의 내부측으로 위치하는 상기 회전축 상에 설치되어 회전력에 대한 유도기전력을 발생시키는 발전기와, 상기 발전기로부터 전선으로 연결 설치되는 한편, 본체 내에 마련되는 지지브라켓에 상호 대향되어 발생한 유도기전력으로서 점등하는 엘이디소자와, 상호 대응되는 엘이디소자를 포함하는 형태로 연결 설치되어 점등된 빛을 산란하는 광섬유부재와, 상기 본체의 상부에 광섬유부재로부터 산란되는 빛을 외부로 보여주기 위한 투시창을 포함하여 구성된 핸들 놀이기구의 발전을 이용한 엘이디 점등디스플레이장치가 제공된다.According to the present invention for achieving the above object, the handle is rotatably installed on the rotating shaft from the front of the hollow box-shaped main body, and is installed on the rotating shaft located to the inner side of the main body to generate the induced electromotive force for the rotational force Light connected to and installed in the form of a generator comprising an LED element that is connected to each other, and the generator is connected to the support bracket provided in the main body, and is generated as an induced electromotive force generated opposite to each other and a corresponding LED element, respectively. There is provided an LED lighting display device using the development of the handle play equipment, including a optical fiber member to scatter the light, and a viewing window for showing the light scattered from the optical fiber member on the upper portion of the main body to the outside.

본 발명에 따른 놀이기구는 놀이시설에서 유아들이나 초등학교 아이들이 쉽게 접하여 가지고 놀 수 있는 핸들에 발전기를 접목시키고, 이 발전기를 통해 핸들의 회전작용으로 유도기전력을 발생하여 주어진 엘이디소자를 통해 엘이디소자에 연결된 광섬유부재에 불빛을 점등시킬 수 있고, 이를 투시창으로부터 지켜볼 수 있는 놀이기구를 제공함으로서, 보다 효율적인 운동효과와 함께 발전의 원리, 전기의 공급, 불빛의 점등의 원리 이해에 따른 학습효과를 제공할 수 있어, 놀이시설에서의 이용도를 높일 수 있는 효과가 있다.The play equipment according to the present invention is a grafting of a generator to a handle that can be easily touched by children and elementary school children in a play facility, and generates an induced electromotive force by the rotation of the handle through this generator to the LED element through a given LED element By providing lights to illuminate the connected optical fiber members and watching them from the viewing window, it provides more efficient movement effect and learning effect according to understanding the principle of power generation, electricity supply, and light lighting. It is possible to increase the utilization in the amusement facilities.

이하, 본 발명에 따라 첨부된 도면을 참조하여 더욱 상세히 설명하면 다음과 같다.Hereinafter, described in more detail with reference to the accompanying drawings in accordance with the present invention.

첨부된 도 1은 본 발명인 놀이기구를 도시한 사시도이고, 도 2는 본 발명에 따른 놀이기구를 도시한 정면도이며, 도 3은 본 발명에 따른 놀이기구를 도시한 측단면도이고, 도 4는 본 발명에 따른 엘이디소자와 광섬유부재를 발췌하여 도시한 사시도이며, 도 5는 본 발명에 따른 일 실시예의 본체가 결합된 놀이기구를 도시한 사시도이다.1 is a perspective view showing a play equipment of the present invention, FIG. 2 is a front view showing a play equipment according to the present invention, FIG. 3 is a side cross-sectional view showing a play equipment according to the present invention, and FIG. Figure 5 is a perspective view showing the LED element and the optical fiber member according to the invention, Figure 5 is a perspective view showing the play equipment coupled to the body of one embodiment according to the present invention.

본 발명은, 속이 빈 상자형의 본체(11) 전면으로부터 회전축(12)에 회전가능하게 설치되는 핸들(10)과, 상기 본체(11)의 내부측으로 위치하는 상기 회전축(12) 상에 설치되어 회전력에 대한 유도기전력을 발생시키는 발전기(20)와, 상기 발전기(20)로부터 전선(L)으로 연결 설치되는 한편, 본체(11) 내에 마련되는 지지브라 켓(31)에 상호 대향되어 발생한 유도기전력으로서 점등하는 엘이디소자(30)와, 상호 대응되는 엘이디소자(30)를 포함하는 형태로 연결 설치되어 점등된 빛을 산란하는 광섬유부재(40)와, 상기 본체(11)의 상부에 광섬유부재(40)로부터 산란되는 빛을 외부로 보여주기 위한 투시창(50)을 포함하여 구성된다.The present invention is provided on a handle (10) rotatably installed on the rotary shaft (12) from the front of a hollow box-shaped main body (11), and on the rotary shaft (12) located inward of the main body (11). Induction electromotive force generated by generating an induction electromotive force for rotational force and the support bracket 31 provided in the main body 11 while being installed and connected to the electric wire L from the generator 20. The LED element 30 to be lit as a light, the optical element member 40 connected to and installed in the form including the corresponding LED element 30 to scatter the light is turned on, and the optical fiber member (top) And a viewing window 50 for showing the light scattered from 40 to the outside.

상기 본체(11)는 목소재로 제작되는 놀이시설과 맞게 친환경적인 목소재로 제작되며, 본 발명에서는 첨부된 도 1에서 도시한 바와 같이 그 전면에 핸들(10)을 3개 배치시켜 설치하였다. 상기 핸들(10)의 설치 예는 그 이상이거나 그 이하로 설치되수 있으며, 이에 한정하지 않는다. 또한, 상기 핸들(10)에는 별도의 손잡이를 돌출되면서 회전가능하게 구비하여 아이들이 한손으로 잡고 원활하게 한 방향으로 회전시킨과 동시에 팔 운동이 이루어질 수 있도록 함이 바람직하다. The main body 11 is made of an eco-friendly wood material to match the amusement facilities made of wood material, in the present invention was installed by placing three handles 10 on the front as shown in Figure 1 attached. The installation example of the handle 10 may be installed above or below, but is not limited thereto. In addition, the handle 10 is preferably provided to be rotatable while protruding a separate handle so that the children can hold the arm with one hand and rotate smoothly in one direction and at the same time arm movement.

상기 투시창(50)이 설치되는 본체(11)의 상부에는 빛가리개(11a)가 더 설치됨이 바람직하다. 이는 외부로부터 자연광이 투시창으로비추어지는 것을 방지하기 위한 것으로 투시창(50)을 통해 디스플레이되는 점등 색상을 선명하게 보기 위함이다.It is preferable that a light shade 11a is further installed on an upper portion of the main body 11 on which the viewing window 50 is installed. This is to prevent natural light from shining into the see-through window so as to clearly see the lighting color displayed through the see-through window 50.

또한, 상기 본체(11)의 상부와 양측면은 첨부된 도 5에서 도시된 바와 같이,전면이 개방된 터널형으로 형성될 수 있다. 이는 놀이시설에 있어, 조합놀이대의 저면공간에 시설하여 주어진 공간 내에 아이들이 들어와서 놀이를 즐길 수 있도록 한 예이다.In addition, the upper and both side surfaces of the main body 11 may be formed in a tunnel type with the front surface open as shown in FIG. 5. This is an example of the play facility, which is installed in the bottom space of the combination play table so that children can enter and enjoy the play in the given space.

한편, 첨부된 도 4는 상기 엘이디 소자(30)와 관련하여 이를 연결 설치하는 상기 광섬유부재(40)는 핸들(10)의 수에 맞게 설치된 것으로, 보다 상세하게는 환 봉형으로 투명 또는 반투명하게 제작되고, 양단은 투명하게 제작된 광섬유부재를 상기 엘이디소자(30)에 각각 끼울수 있도록 요홈(41)을 형성한 구조이다.On the other hand, Figure 4 is attached to the optical element member 40 to install the connection with respect to the LED element 30 is installed in accordance with the number of the handle 10, more specifically round or semi-transparent to manufacture And, both ends have a structure in which the grooves 41 are formed so that the transparent optical fiber members can be inserted into the LED elements 30, respectively.

상기 본체(11)로부터 설치된 핸들(10)은 단순히 좌측이나 우측방향으로 회전시켜 줌으로써, 회전축(12)을 회전시키고, 이때의 회전축(12)상에 설치된 발전기(20)로부터는 유도기전력을 발생시키고, 이와 전선(L)으로 연결된 엘이디 소자(30)를 점등시킨다.The handle 10 installed from the main body 11 simply rotates in the left or right direction to rotate the rotating shaft 12, and generates induced electromotive force from the generator 20 installed on the rotating shaft 12 at this time. , The LED device 30 connected to the wire (L) is turned on.

엘이디소자(30)의 점등은 핸들의 회전상에서 얻어지고 있는 유도기전력으로서 점등된 엘이디소자(30)는 이들을 각 연결 하고 있는 광섬유부재(40)에 빛을 산란시켜 주며, 핸들(10)을 회전하면서 본체(11)의 상부에 마련된 투시창(50)을 통해서는 점등된 색상이 해당하는 광섬유부재(40)의 전체에 퍼져 아이들의 놀이에 흥미를 더해줄 수 있으며, 아이들은 색상의 점등에 따라 운동효과를 갖게 된다.The LED element 30 is turned on as an induced electromotive force obtained on the rotation of the handle, and the LED element 30 that is lit scatters light to the optical fiber members 40 connecting them, and rotates the handle 10. Through the see-through window 50 provided on the upper part of the main body 11, the illuminated color spreads over the entire optical fiber member 40 to add interest to the children's play, and the children have an exercise effect according to the lighting of the color. Will have

즉, 상기와 같은 원리는 발전기의 원리와, 전기의 공급, 엘이디소자의 점등과정을 학습할 수 있음과 동시에 운동효과를 줌으로써, 놀이에 대한 흥미를 갖게할 수 있어 놀이시설의 이용도를 높일 수 있게 된다.In other words, the above principle can learn the principle of the generator, the supply of electricity, the lighting process of the LED element, and at the same time give the exercise effect, can make the interest in play can increase the utilization of the play facilities. Will be.

이와 같은 원리의 놀이시설은 별도의 전기를 공급하지 않는 상태에서 아이들이 손쉽게 놀이기구의 운동효과와 더불어 불빛이 점등되는 원리를 이해할 수 있기 때문에 유아들에게는 흥미를 주고, 초등학생의 경우는 과학에 관련한 학습이해력을 갖게할 수 있다. This kind of play facility is interesting for children because children can easily understand the principle of the movement effect of the play equipment and the light is turned on without supplying electricity. In the case of elementary school students, Can have a learning comprehension

도 1은 본 발명인 놀이기구를 도시한 사시도,1 is a perspective view of the present invention rides,

도 2는 본 발명에 따른 놀이기구를 도시한 정면도,2 is a front view showing a play equipment according to the present invention,

도 3은 본 발명에 따른 놀이기구를 도시한 측단면도,3 is a side sectional view showing a play equipment according to the present invention;

도 4는 본 발명에 따른 엘이디소자와 광섬유부재를 발췌하여 도시한 사시도,4 is a perspective view showing the LED element and the optical fiber member according to the present invention;

도 5는 본 발명에 따른 일 실시예의 본체가 결합된 놀이기구를 도시한 사시도.Figure 5 is a perspective view of the play equipment coupled to the body of one embodiment according to the present invention.

< 도면의 주요부분에 대한 부호설명><Explanation of Signs of Major Parts of Drawings>

10: 핸들 11: 본체10: handle 11: body

12: 회전축 20: 발전기12: shaft 20: generator

30: 엘이디소자 40: 광섬유부재30: LED element 40: optical fiber member

50: 투시창 50: viewing window

Claims (4)

속이 빈 상자형의 본체(11) 전면으로부터 회전축(12)에 회전가능하게 설치되는 핸들(10)과,A handle 10 rotatably installed on the rotation shaft 12 from the front of a hollow box-shaped body 11, 상기 본체(11)의 내부측으로 위치하는 상기 회전축(12) 상에 설치되어 회전력에 대한 유도기전력을 발생시키는 발전기(20)와,A generator 20 installed on the rotating shaft 12 positioned inside the main body 11 to generate an induced electromotive force for the rotating force; 상기 발전기(20)로부터 전선(L)으로 연결 설치되는 한편, 본체(11) 내에 마련되는 지지브라켓(31)에 상호 대향되어 발생한 유도기전력으로서 점등하는 엘이디소자(30)와,An LED element 30 connected to the electric wire L from the generator 20 and turned on as an induced electromotive force generated opposite to the support bracket 31 provided in the main body 11; 상호 대응되는 엘이디소자(30)를 포함하는 형태로 연결 설치되어 점등된 빛을 산란하는 광섬유부재(40)와,An optical fiber member 40 connected to and installed in a form including an LED element 30 corresponding to each other and scattering lit light; 상기 본체(11)의 상부에 광섬유부재(40)로부터 산란되는 빛을 외부로 보여주기 위한 투시창(50)을 포함하여 구성된 것을 특징으로 하는 핸들 놀이기구의 발전을 이용한 엘이디 점등디스플레이장치.LED lighting display device using the development of the handle play equipment, characterized in that it comprises a viewing window (50) for showing the light scattered from the optical fiber member 40 to the outside of the main body (11). 제1항에 있어서, 상기 투시창(50)이 설치되는 본체(11)의 상부에는 빛가리개(11a)가 더 설치된 것을 특징으로 하는 핸들 놀이기구의 발전을 이용한 엘이디 점등디스플레이장치.According to claim 1, LED lighting display device using the development of the handle play equipment, characterized in that the blindfold (11a) is further provided on the upper portion of the main body (11) in which the viewing window (50) is installed. 제1항에 있어서, 상기 본체(11)의 상부와 양측면은 전면이 개방된 터널형으 로 형성된 것을 특징으로 하는 핸들 놀이기구의 발전을 이용한 엘이디 점등디스플레이장치.2. The LED lighting display device using power generation of the handle play equipment according to claim 1, wherein the upper and both side surfaces of the main body (11) are formed in a tunnel shape with an open front surface. 제1항에 있어서, 상기 광섬유부재(40)는 환봉형으로 양단에 상기 엘이디소자(30)를 수용하기 위한 요홈(41)이 형성된 것을 특징으로 하는 핸들 놀이기구의 발전을 이용한 엘이디 점등디스플레이장치.The LED lighting display device using power generation of the handle play equipment, characterized in that the groove 41 for accommodating the LED element 30 is formed at both ends of the optical fiber member 40 in a round bar shape.
KR1020090010171A 2009-02-09 2009-02-09 Light Emittion Diode lighting display unit using power generation of handle play KR101020972B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101174278B1 (en) 2012-03-21 2012-08-16 주식회사콘스탄텍 Led block display device for providing education function and method for controlling the same

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Publication number Priority date Publication date Assignee Title
KR200396982Y1 (en) 2005-07-07 2005-09-28 이재철 Health machine with a generator function
JP3135562U (en) * 2007-07-09 2007-09-20 株式会社イングスシナノ Thermoelectric generator for teaching materials

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Publication number Priority date Publication date Assignee Title
KR200396982Y1 (en) 2005-07-07 2005-09-28 이재철 Health machine with a generator function
JP3135562U (en) * 2007-07-09 2007-09-20 株式会社イングスシナノ Thermoelectric generator for teaching materials

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101174278B1 (en) 2012-03-21 2012-08-16 주식회사콘스탄텍 Led block display device for providing education function and method for controlling the same
US9373276B2 (en) 2012-03-21 2016-06-21 Constantec Co., Ltd. LED block display apparatus for providing educational function and control method thereof

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