KR101452434B1 - Security cable reel - Google Patents

Security cable reel Download PDF

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Publication number
KR101452434B1
KR101452434B1 KR1020140022226A KR20140022226A KR101452434B1 KR 101452434 B1 KR101452434 B1 KR 101452434B1 KR 1020140022226 A KR1020140022226 A KR 1020140022226A KR 20140022226 A KR20140022226 A KR 20140022226A KR 101452434 B1 KR101452434 B1 KR 101452434B1
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KR
South Korea
Prior art keywords
cable
cable reel
bimetal
buzzer
power
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Application number
KR1020140022226A
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Korean (ko)
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이우조
안영남
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이우조
안영남
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Priority to KR1020140022226A priority Critical patent/KR101452434B1/en
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Publication of KR101452434B1 publication Critical patent/KR101452434B1/en

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G11/00—Arrangements of electric cables or lines between relatively-movable parts
    • H02G11/02—Arrangements of electric cables or lines between relatively-movable parts using take-up reel or drum
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/72—Means for accommodating flexible lead within the holder
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/76—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with sockets, clips or analogous contacts and secured to apparatus or structure, e.g. to a wall
    • H01R24/78—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with sockets, clips or analogous contacts and secured to apparatus or structure, e.g. to a wall with additional earth or shield contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R35/00—Flexible or turnable line connectors, i.e. the rotation angle being limited
    • H01R35/02—Flexible line connectors without frictional contact members
    • H01R35/025—Flexible line connectors without frictional contact members having a flexible conductor wound around a rotation axis
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/26—Clip-on terminal blocks for side-by-side rail- or strip-mounting
    • H01R9/2691—Clip-on terminal blocks for side-by-side rail- or strip-mounting with ground wire connection to the rail

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  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)

Abstract

The present invention relates to a cable reel, which is used to connect electricity at a long distance during various electrical work, having a configuration greatly improving electrical safety, and allowing users to safely use the cable reel by adding a bimetal, which automatically blocks power when an overcurrent occurs, a buzzer and a lamp lighting unit on an electrical cable wound around a winder drum. The cable reel of the present invention includes a bimetal provided on a side of the electrical cable of the cable reel to detect overheating and a relay switch, which is operated according to an opening/closing of power by the bimetal, and when the supply of electricity is blocked, the automatic buzzer is sounded and the indication lamp is lit so that power is immediately cut off while allowing a worker to quickly detect abnormalities by the buzzer and the lamp when a high-current is supplied to the electric cable during the electrical work.

Description

안전 케이블 릴{Security cable reel}Safety cable reel {Security cable reel}

본 발명은 각종 전기작업시 전기를 원거리까지 연결 접속하는 용도로 사용하는 케이블 릴(cable reel)의 구성을 전기적 안전도가 매우 양호하도록 개량한 것으로, 본 발명의 특징은 와인드 드럼(winder drum)에 감기는 전선케이블에 과전류가 발생하여 전선케이블(내부 동선) 자체의 온도가 과도히 상승할 시 자동으로 전원을 차단하여주는 바이메탈장치와 부저 및 램프 점등수단을 부가하여 화재발생을 사전방지하면서 안정적으로 케이블 릴을 사용할 수 있도록 한 것이다.
The present invention relates to a cable reel used for connection and connection of electricity to various distances during various electric works, which is improved in electrical safety. The present invention is characterized in that a winder drum is wound A bimetal device that automatically cuts off the power when the temperature of the wire cable (internal copper wire) itself excessively rises due to an overcurrent in the wire cable, a buzzer and a lamp lighting means are added, The reel can be used.

종래 일반화된 케이블 릴은 와이드 드럼의 주위에 일정길이의 전선케이블을 권취하고, 케이블의 양단에 전선소켓과 플러그를 접속하여 각종 조명기구나 용접작업 시 전원을 끌어쓰는 접속기구로 사용하고 있으며, 이의 안전성을 향상시키기 위하여 콘센트 일측에 누전차단기를 부착하여 과전류가 공급될 시 누전차단기가 공급전원을 자동으로 단절시키는 안전수단을 부가하고 있다. 그러나 이와 같은 누전차단기의 부가설치는 순간적인 과전류 공급시 전원을 일시 단절하는 기능만을 수행할 뿐이며, 전선케이블에 과전류로 인한 발열 현상을 충분히 방지할 수 있는 안전장치로써는 다소 미흡한 문제점이 있었다.
Conventional generalized cable reels are used as a connection mechanism for winding a certain length of cable around a wide drum and connecting electric wire sockets and plugs to both ends of the cable to draw power to various lighting devices and welding operations. It is necessary to attach a circuit breaker to one side of the receptacle so that the circuit breaker automatically cuts off the power when the overcurrent is supplied. However, such additional installation of the earth leakage breaker only temporarily disables the power supply when the instantaneous overcurrent is supplied, and is insufficient as a safety device capable of sufficiently preventing the heat generation due to the overcurrent in the cable cable.

KR 200314386 Y1 2003.05.13.KR 200314386 Y1 2003.05.13.

본 발명은 상기한 종래의 케이블 릴의 구성에 불안정한 과전류 공급으로 인한 누전사고나, 발열 현상으로 인한 화재발생 또는 전선케이블의 소손현상을 보다 효과적으로 사전 예방할 수 있도록 한 것이다.
SUMMARY OF THE INVENTION The present invention provides a cable reel in which the leakage current due to an unstable overcurrent supply, a fire caused by a heating phenomenon, or a burnout of a wire cable can be effectively prevented.

본 발명은 상기한 종래의 케이블 릴의 구성에서 전선케이블의 일측에 바이메탈과 릴레이스위치, 경고음발생용 부저, 이상발생을 표시하여 주는 발광램프를 부가하여, 전선케이블에 과열 전류에 의한 발열 현상이 초래될 시 바이메탈이 전원을 단절시킴과 아울러 부저와 램프를 가동 및 점등시켜 전선케이블의 발열 현상을 즉시 감지하여 누설 전류로 인한 화재발생 또는 전선케이블의 소손(燒損)현상을 사전 예방할 수 있도록 한 것이다.In the cable reel according to the present invention, a bimetal, a relay switch, a buzzer for generating a warning sound, and a luminescent lamp for indicating occurrence of an abnormality are added to one side of the cable cable, The bimetal is turned off and the buzzer and the lamp are turned on and off to immediately detect the heating phenomenon of the cable so as to prevent the fire caused by the leakage current or the burning of the cable .

그리고 본 출원인의 선등록고안(실용신안등록 제314386호)으로 케이블 릴 일측에 바이메탈스위치 하나만을 부가설치한 '열감지센서를 가진 케이블 릴"이 제안된 바 있으나 이는 소용량의 전기가 공급되는 경우는 무리가 없으나 대용량의 전기를 컨트롤하는 경우 과전류가 공급되면 바이메탈스위치가 부하를 이기지 못하고 과열되거나 소손으로 인해 화재가 발생하는 폐단이 있었다.A cable reel having a heat sensing sensor has been proposed in which a bimetallic switch is installed on one side of a cable reel with the line registration design (utility model registration No. 314386) of the present applicant. However, if a small amount of electricity is supplied In the case of controlling a large amount of electricity, the bimetal switch could not overcome the load when the overcurrent was supplied, and there was a case where the fire caused by overheating or burning occurred.

본 발명은 이에 착안하여 대소용량의 전기사용에 무관하게, 정확하게 안전장치가 구동되도록 한 보다 개선된 케이블 릴을 제공한다.
The present invention provides a cable reel with improved characteristics, in which the safety device can be accurately driven regardless of the use of a large capacity of electricity.

본 발명은 케이블 릴의 전선케이블 일측에 과열감지 바이메탈과 이 바이메탈의 전원 개폐작용에 따라 구동되는 릴레이스위치를 추가로 설치하여, 상기 릴레이스위치에 전기공급이 차단되었을 시 자동으로 부저를 울리고, 표시램프를 점등토록 하여, 전기작업도중 전선케이블에 예기치못한 과전류가 공급되어 케이블 릴 전체에 이상이 발생되는 것을 사전에 방지토록 한 것이다.
The present invention is characterized by further providing a relay switch, which is driven according to the power-on / off action of the bimetal, on the cable cable at one side of the cable cable, and automatically sounds the buzzer when the power supply to the relay switch is interrupted, So as to prevent an unexpected overcurrent from being supplied to the cable during the electrical operation, thereby causing an abnormality in the cable reel as a whole.

도 1은 본 발명의 전체구성을 보인 사시도
도 2는 본 발명의 요부에 설치되는 안전장치의 회로도
도 3은 본 발명의 사용방법에 따른 실시예1 is a perspective view showing the entire configuration of the present invention.
Fig. 2 is a circuit diagram of a safety device installed in the recess of the present invention
FIG. 3 is a view showing an embodiment according to the method of using the present invention

도 1은 본 발명의 전체구성을 보인 사시도이고, 도 2는 본 발명의 요부에 설치되는 안전장치의 회로도이다.Fig. 1 is a perspective view showing the entire configuration of the present invention, and Fig. 2 is a circuit diagram of a safety device installed in a recess of the present invention.

종래의 일반적인 케이블 릴(1)은 받침대(3)가 설치된 지지대(2)에 와인드 드럼(4)을 회전상태로 축설하여, 일정길이의 전선케이블(5)을 권취하며, 상기 전선케이블(5)의 외단에는 전기플러그(6)를 연결하고, 내측단은 누전차단기(7)와 접속된 콘센트(8)와 연결하여, 원거리에 전기를 끌어와 공급하는 용도로 사용할 수 있도록 한 구성이다.A conventional cable reel 1 has a support drum 2 on which a support 3 is mounted and a wind drum 4 is rotatably installed to wind a wire cable 5 of a predetermined length, And an inner end thereof is connected to a receptacle 8 connected to the earth leakage breaker 7 so that it can be used to draw and supply electricity to a long distance.

본 발명은 상기 구성에서 전선케이블(5)의 일측에 도 2와 같은 안전수단(S)을 부가한다.The present invention adds safety means S as shown in Fig. 2 to one side of the wire cable 5 in the above-described configuration.

상기 안전수단(S)은 전선케이블(5)의 일측 전기선로에 바이메탈(11), 릴레이스위치(12), 부저(13), 표시램프(14)를 차례로 연결하는 구성이다.The safety means S is configured to sequentially connect the bimetal 11, the relay switch 12, the buzzer 13, and the display lamp 14 to one side of the electric cable of the electric cable 5.

도면 중 미설명부호 15는 회전식 접속단자 장치로써, 도 1과 같이 와인드 드럼(4)에 설치한 원형타입의 고정단자(15a)에 스프링 받이식 브러쉬(15b)를 접속하여 전선케이블(5)의 전기가 와인드 드럼(4)의 회전상태에서도 콘센트(8) 측으로 인가될 수 있도록 하는 것으로 이는 종래 제품에 적용된 일반적인 구성이고, 16은 전원표시등이다.Reference numeral 15 in the drawings denotes a rotary connection terminal device in which a spring-receiving brush 15b is connected to a circular-type fixed terminal 15a provided on a wind drum 4 as shown in Fig. 1, So that electricity can be applied to the outlet 8 side even when the wind drum 4 is rotated. This is a general configuration applied to the conventional product, and 16 is a power indicator lamp.

상기한 본 발명은 도 1에 예시한 바와 같이 평상시에는 케이블 릴(1)의 와인드 드럼(4)에 전선케이블(5)을 권취하여 간소한 부피로 운반하거나 보관하게 되고 원거리에 전기를 끌어와 사용시에는 메인콘센트(8a) 측에 전기플러그(6)를 꽂아서 전기를 공급받고, 원거리의 작업현장에서 용접기나 조명기구 등 부하측 전기기구(30)의 플러그(30a)를 케이블 릴(1) 측에 설치한 콘센트(8)에 꽂아서 전기작업을 하게 되는 사용방법은 종래의 일반적인 구성이다.1, the wire cable 5 is wound around the wind drum 4 of the cable reel 1 in a simple manner and is transported or stored in a simple volume, and when electricity is drawn to a long distance, The plug 30a of the load side electrical device 30 such as a welding machine or a lighting device is installed on the side of the cable reel 1 at a remote work site by inserting the electric plug 6 into the main outlet 8a side, The use method of plugging into a receptacle 8 to perform electrical work is a conventional general configuration.

평상시 전기가 정상적으로 공급될 시에는 전선케이블(5)의 전원선로에 과열이 발생하지 않으므로 도 2의 바이메탈(11)은 정상적인 전기접속상태가 유지되며 이에 따라 릴레이스위치(12)에는 코일의 자기작용에 의해 ON 상태인 a접점이 유지되어 부저(13)와 표시램프(14)는 단전상태가 되어 작동을 멈춘 상태로 유지된다.Since the bimetal 11 of FIG. 2 is maintained in a normal electrical connection state when the electricity is normally supplied, the power line of the electric wire 5 does not overheat, The a-contact which is in the ON state is held, and the buzzer 13 and the display lamp 14 are in a disconnection state and are kept in a stopped state.

상기 회로 중 누전차단기(7)는 과전류가 공급될 경우, 전원차단기능과 이에 연결된 사용기기(드릴, 용접기 등)의 누전시 자동으로 전기를 차단하여 안전사고를 사전 예방하는 역할을 한다.When the overcurrent is supplied to the circuit breaker 7, the circuit breaker 7 automatically cuts off the power at the time of a short circuit between the power-off function and the used equipment (drill, welder, etc.) connected thereto.

사용 중 이상전류의 과량공급으로 전선케이블(5)이 과도하게 과열되면 상기 바이메탈(11)은 전기접속이 단절되어 릴레이스위치(12)는 off상태인 b접점으로 전환됨으로써 부저(13)가 가동하여 경보음이 발생되고, 표시램프(14)가 점등되어 전선케이블(5)에 이상전류가 공급되는 것을 즉시 감지할 수 있게 된다.If the electric wire cable 5 is excessively heated due to excessive supply of abnormal current during use, the bimetal 11 is disconnected from the electric connection, and the relay switch 12 is switched to the b contact in an off state so that the buzzer 13 is operated An alarm sound is generated and the display lamp 14 is turned on so that it is possible to immediately detect that an abnormal current is supplied to the wire cable 5.

본 발명의 상기한 구성이 갖는 장점은 종래의 경우 바이메탈이 소용량의 전원컨트롤(ON,OFF기능)은 가능하였지만, 대용량의 전원이 공급될 경우는 바이메탈 자체가 과열되어 전선이 소손되거나 화재가 발생하는 결점이 있었으나, 본 발명은 전기공급량에 무관하게 작동되는 릴레이스위치에 의해 부저(13)와 표시램프(14)가 정확하게 경보신호를 발생하게 되므로 과전류공급으로 인한 안전도가 그만큼 향상되는 효과를 갖는다.The advantages of the above-described configuration of the present invention are that the bimetal can control the power of the small capacity of the bimetal (ON and OFF functions) in the conventional case. However, when a large power source is supplied, the bimetal itself is overheated, However, since the buzzer 13 and the indicator lamp 14 generate an alarm signal accurately by the relay switch operated independently of the electric power supply amount, the safety of the overcurrent supply is improved.

이와 같이 이상전원이 공급되면 작업을 중단하고 전선플러그(6) 또는 콘센트(8)으로부터 전원공급을 중단하여 안전사고에 대응할 수 있게 되므로 이상전원 공급으로 인한 전기 안전사고를 사전 예방할 수 있게 되고 케이블 릴(1) 자체의 소손현상 등을 사전 방지하여 사용수명을 연장할 수 있는 것이다.When the abnormal power is supplied as described above, the operation is interrupted and the power supply from the electric wire plug 6 or the receptacle 8 can be stopped to cope with a safety accident, so that an electric safety accident due to the abnormal electric power supply can be prevented in advance, (1) itself can be prevented from being burned out and the service life can be prolonged.

도 3은 본 발명의 사용방법에 따른 실시예를 도시한 것이다.3 shows an embodiment according to the method of use of the present invention.

본 발명은 건물의 벽면 등에 설치된 메인콘센트(8a)로부터 전원을 공급받아 이를 원거리에 있는 전기기구(30)(예,용접기나 드릴)에 연결해주는 커넥트 케이블 릴의 용도로 사용하게 되는데, 메인콘센트(8a)와 본 발명의 연결콘센트(8) 사이에는 양측에 플러그(20a)(20b)가 달린 보조전선코드(20)를 사용하여 전기연결을 하고, 케이블 릴(1) 본체는 그대로 둔 상태에서 전선케이블(5)의 끝에 달린 전기플러그(6)만을 잡아당겨서 작업현장으로 인출한 다음, 다시 플러그(21a)(21b)가 양단에 달린 보조전선코드(21)를 이용하여 용접기 등 부하측 전기기구(30)와 연결하여 원거리 작업을 수행하게 된다.The present invention is used as a connector cable reel for receiving power from a mains outlet 8a installed on a wall or the like of a building and connecting it to an electric appliance 30 (for example, a welding machine or a drill) 8b of the present invention are connected to each other by means of an auxiliary cord cord 20 having plugs 20a and 20b on both sides of the cable receptacle 8, Only the electric plug 6 attached to the end of the cable 5 is pulled out and pulled out to the work site and then the auxiliary electric wire cord 21 with the plugs 21a, ) To perform a remote operation.

이에 따르면 종래의 경우, 원거리 작업장소까지 무거운 케이블 릴(1) 본체를 일일이 들고 이동하여야 하는 불편이 있었으나, 본 발명은 보조전선코드(20)(21)의 사용으로 케이블 릴(1) 본체는 메인콘센트(8a)와 가까운 장소에 그대로 두고 전선케이블(5)의 끝에 달린 전기플러그(6)만을 잡아당겨 원거리 장소까지 전원을 공급할 수 있어 매우 편리한 잇점이 따른다.According to this, in the conventional case, there is inconvenience that the main body of the cable reel 1 must be moved and moved to the remote working place. However, according to the present invention, by using the auxiliary cord cords 20 and 21, It is possible to supply power to a remote place by pulling only the electric plug 6 attached to the end of the electric cable 5 while keeping it in a place close to the outlet 8a, which is a very convenient advantage.

이상과 같이 본 발명은 케이블 릴(1)의 사용시 전선케이블(5) 자체의 발열현상으로 인한 과열로 인해 화재가 발생하거나 전선케이블(5)이 손상되는 것을 사전에 방지할 수 있고, 또한 원거리에 케이블 릴(1) 본체를 이동시키지 않고 간편히 전선플러그(6)만을 끌어와서 부하측에 전기를 연결할 수 있어 안전성과 실용성이 한층더 개선되는 매우 실용적인 효과가 있다.
As described above, according to the present invention, when the cable reel 1 is used, it is possible to prevent a fire from occurring due to overheating due to a heating phenomenon of the cable cable 5 itself or damage to the cable cable 5, It is possible to connect the electric wire to the load side by simply pulling only the electric wire plug 6 without moving the main body of the cable reel 1, and there is a very practical effect that the safety and practicality are further improved.

1-케이블 릴 2-지지대 3-받침대
4-와인드 드럼 5-전선케이블 6-전기플러그
7-누전차단기 8-콘센트 8a-메인콘센트
11-바이메탈 12-릴레이스위치 13-부저
14-표시램프 15-회전식접속단자장치 16-전원표시등
15a-고정단자 15b-브러쉬 20a,20b,21a,21b-플러그
20,21-보조전선코드 30-전기기구 30a-플러그
S-안전수단1- Cable reel 2- Support 3- Bracket
4-wind drum 5-wire cable 6-electrical plug
7 - Earth leakage breaker 8 - Outlet 8a - Main outlet
11-bimetal 12-relay switch 13-buzzer
14 - Indicator lamp 15 - Rotary connection terminal device 16 - Power indicator
15a-fixed terminal 15b-brushes 20a, 20b, 21a, 21b-
20,21-auxiliary wire cord 30-electrical appliance 30a-plug
S-safety means

Claims (2)

받침대(3)가 설치된 지지대(2)에 와인드 드럼(4)을 회전상태로 축설하여, 상기 와인드 드럼(4)에 일정길이의 전선케이블(5)을 권취하며, 상기 전선케이블(5)의 외단에는 전기플러그(6)를 연결하고 내측단에은 누전차단기(7)와 접속된 콘센트(8)을 접속연결한 공지된 케이블 릴의 구성에 있어서,
상기 전선케이블(5)의 일측 전기선로에 바이메탈(11), 릴레이스위치(12), 부저(13), 표시램프(14)를 차례로 연결구성하여 전선케이블의 과열 및 누설전류로 인한 소손을 방지할 수 있게 구성함을 특징으로 하는 안전 케이블 릴.A winder drum 4 is rotatably supported on a supporting base 2 on which a pedestal 3 is installed to wind a wire cable 5 of a predetermined length to the wind drum 4, And a receptacle 8 connected to the earth leakage breaker 7 is connected to the inner end of the cable reel 6,
A bimetal 11, a relay switch 12, a buzzer 13 and a display lamp 14 are sequentially connected to one side of the electric cable of the electric cable 5 to prevent overheating of the electric cable and burnout due to leakage current Wherein the first and second safety cable reels are configured to be electrically connected to each other. 삭제delete
KR1020140022226A 2014-02-25 2014-02-25 Security cable reel KR101452434B1 (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160002917U (en) 2015-02-12 2016-08-22 이유성 It provided an outlet device and wire reel
WO2017027892A1 (en) * 2015-08-07 2017-02-16 De Paiva Jose Alexander Electrical cable extension reel with safety switch
KR20190092786A (en) 2018-01-31 2019-08-08 주식회사 제이에스몰 Cable reel for camping
KR102186876B1 (en) * 2020-05-12 2020-12-07 (주)부광티피티 mobile safety wire
KR102595695B1 (en) * 2022-12-20 2023-10-27 한전케이피에스 주식회사 Portable Smart Electric Cord Reel Device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990009445A (en) * 1997-07-09 1999-02-05 윤종용 Power tools
KR200314386Y1 (en) * 2003-03-11 2003-05-27 안영남 Cable reel having heat sensor
KR20080052776A (en) * 2006-12-08 2008-06-12 신은주 Retractable wire extension device
KR100929818B1 (en) * 2009-10-17 2009-12-07 주식회사 중원파워컨트롤스 Power saving plug socket for fire prevention

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990009445A (en) * 1997-07-09 1999-02-05 윤종용 Power tools
KR200314386Y1 (en) * 2003-03-11 2003-05-27 안영남 Cable reel having heat sensor
KR20080052776A (en) * 2006-12-08 2008-06-12 신은주 Retractable wire extension device
KR100929818B1 (en) * 2009-10-17 2009-12-07 주식회사 중원파워컨트롤스 Power saving plug socket for fire prevention

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160002917U (en) 2015-02-12 2016-08-22 이유성 It provided an outlet device and wire reel
KR200481363Y1 (en) 2015-02-12 2016-09-20 이유성 It provided an outlet device and wire reel
WO2017027892A1 (en) * 2015-08-07 2017-02-16 De Paiva Jose Alexander Electrical cable extension reel with safety switch
KR20190092786A (en) 2018-01-31 2019-08-08 주식회사 제이에스몰 Cable reel for camping
KR102186876B1 (en) * 2020-05-12 2020-12-07 (주)부광티피티 mobile safety wire
KR102595695B1 (en) * 2022-12-20 2023-10-27 한전케이피에스 주식회사 Portable Smart Electric Cord Reel Device

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