WO2015037758A1 - Dispositif de prévention de choc électrique cylindrique pour équipement électrique - Google Patents

Dispositif de prévention de choc électrique cylindrique pour équipement électrique Download PDF

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Publication number
WO2015037758A1
WO2015037758A1 PCT/KR2013/008281 KR2013008281W WO2015037758A1 WO 2015037758 A1 WO2015037758 A1 WO 2015037758A1 KR 2013008281 W KR2013008281 W KR 2013008281W WO 2015037758 A1 WO2015037758 A1 WO 2015037758A1
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WO
WIPO (PCT)
Prior art keywords
conductor
cylindrical
electric shock
prevention device
electrically connected
Prior art date
Application number
PCT/KR2013/008281
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English (en)
Korean (ko)
Inventor
이호석
Original Assignee
Lee Hosek
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lee Hosek filed Critical Lee Hosek
Publication of WO2015037758A1 publication Critical patent/WO2015037758A1/fr

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    • 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
    • H01R13/66—Structural association with built-in electrical component
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R3/00—Electrically-conductive connections not otherwise provided for
    • H01R3/08—Electrically-conductive connections not otherwise provided for for making connection to a liquid

Definitions

  • the present invention relates to transmission and distribution technology, and more particularly, to an apparatus installed at a delivery route or end thereof in order to prevent an electric shock accident.
  • Electric shock is a phenomenon in which the human body reacts when a current flowing from the power supply to the ground, which is the ground plane, exceeds a certain value. In general, currents above 15 mA will cause convulsions, and currents above 50 mA will lead to death. The main cause of death is a heart attack in which the heart stops working as current flowing through the heart damages nerves. The risk of electric shock is related to the body's resistance at the time of electrification, which is strongly dependent on the condition of the skin.
  • Korean Laid-Open Patent Publication No. 2005-0037986 discloses that when a metal plate or metal mesh made of metal material is attached to the bare battery part, the current leaked from the bare battery part is energized by the conductive metal plate or the metal mesh.
  • a submerged electric shock prevention device for preventing an electric shock accident.
  • the metal plate or the metal net is connected by electric wires to the neutral wire and the earth terminal of the terminal blocks.
  • the size of the metal plate is approximately 50 cm x 30 cm.
  • Republic of Korea Patent Publication No. 1197414 discloses another leakage prevention device.
  • the device is arranged between the input terminal section and the output terminal section, and is connected to the terminal terminal with the first and second connection terminals connected to the phase voltage terminal and the neutral terminal terminal, and electrically connected to the second connection terminal block connected to the neutral terminal terminal. It includes a leakage preventing conductor of a shape surrounding the side and the top of the.
  • This technique is complicated because it uses electrodes shaped to be connected to the neutral terminal while surrounding the connecting terminal block. In addition, there is a disadvantage that is difficult to apply to a small outlet.
  • An object of the present invention is to provide an electric shock prevention device that is simple in structure and easy to install while maximizing an electric shock prevention effect.
  • an object of the present invention is to provide an electric shock prevention device that can be applied to various applications such as a small outlet or outdoor street light.
  • the cylindrical electric shock prevention device is connected to a transmission / distribution path to an electrical installation, and is electrically connected to the electrical installation or the electrical installation, and is located near another electrical installation.
  • one end of the side is electrically connected to the input first wire
  • the other end of the side is electrically connected to the output first wire, one end and the other end to form an open portion, the side to form a closed portion
  • the center is A cylindrical conductor forming a hollow portion with an empty space;
  • the length from one end to the other end of the inner conductor is preferably less than or equal to the height from one end to the other end of the side surface of the cylindrical conductor.
  • the cylindrical conductor may be any one of a shape including a cylindrical shape, an elliptic cylinder shape, and an angular cylinder shape
  • the internal conductor may be any one of a shape including a linear shape, a flat plate shape, and a rod shape.
  • the first input wire and the first output wire are electrically connected to both ends of the cylindrical conductor, respectively, and the second input side is respectively connected to both ends of the internal conductor.
  • FIG. 1 is a conceptual diagram of a cylindrical electric shock prevention device for electrical installations according to a preferred embodiment of the present invention
  • FIG. 2 is a conceptual diagram showing an arrangement of devices of a first experiment
  • FIG. 3 is a conceptual diagram illustrating an arrangement of devices of a second experiment.
  • the electric shock prevention device for an electrical equipment is connected to the transmission and distribution path to the electrical equipment, and is electrically connected to the electrical equipment or the electrical equipment to prevent the electric shock during the flooding of other electrical equipment located nearby, the side One end of is electrically connected to the input first wire, the other end of the side is electrically connected to the first output wire, one end and the other end forms an open portion, the side forms a closed portion, the center is a hollow form a hollow part with an empty space Conductors; And an inner end of which is electrically connected to the second input wire of the input side, and the other end of which is electrically connected to the second wire of the output side, which is inserted into the hollow portion of the tubular conductor and spaced apart without being electrically connected to the inner side of the tubular conductor. Contains a sieve.
  • FIG. 1 is a conceptual diagram of a cylindrical electric shock prevention device for electrical installations according to a preferred embodiment of the present invention.
  • the present applicant has applied for the "electrical shock prevention device for electrical equipment" (Korean Patent Application No. 10-2013-0079052, filed on July 7, 2013, "Prescribed Invention") by utilizing the same principle as the present invention. .
  • the above-described prior invention has experimentally proved that by installing a pair of flat-shaped conductors in a transmission and distribution path, the current flowing through a human body in contact with an electrical short circuit nearby can be substantially reduced by a simple structure.
  • the present invention uses the same principle as the present invention, but by devising a cylindrical electric shock prevention device consisting of a cylindrical conductor and an inner conductor instead of a pair of flat conductors, the electric charge is trapped inside the cylindrical conductor to more effectively electric shock It is to prevent.
  • the cylindrical electric shock prevention device for an electrical installation is connected to a transmission and distribution path to a household or industrial electrical installation, such as a lamp, a street lamp, an outlet, a plug, a motor, and the like.
  • a household or industrial electrical installation such as a lamp, a street lamp, an outlet, a plug, a motor, and the like.
  • the electric shock prevention device prevents an electric shock during the inundation of the electrical equipment to which the electric shock prevention apparatus is connected or other electrical equipment located nearby by being electrically connected to the electrical equipment.
  • a tubular electric shock prevention device for an electrical installation includes a tubular conductor 10 and an inner conductor 20.
  • the cylindrical conductor 10 is cylindrical and the internal conductor 20 is linear.
  • the cylindrical conductor and the internal conductor may be formed in a different shape.
  • the tubular conductor 10 includes openings 12, 14, a closure 16, and a hollow 18.
  • the openings 12 and 14 are formed at one end and the other end of the tubular conductor 10, respectively.
  • the closure part 16 forms a side surface of the cylindrical conductor 10, and when the cylindrical conductor 10 is formed in a cylindrical shape as illustrated in FIG. 1, the closure part 16 includes an outer circumferential surface and an inner circumferential surface.
  • the hollow portion 18 is formed as an empty space in the center of the cylindrical conductor 10, when the cylindrical conductor 10 is formed in a cylindrical shape as shown in FIG. 1, the top and bottom of the cylindrical conductor 10 is open And it takes the shape of a pipe provided with a hollow portion 18 in the center.
  • One end of the side surface (closed portion 16) of the tubular conductor 10 is electrically connected to the input-side first electric wire (not shown).
  • the other end of the side is electrically connected to the output first wire (not shown).
  • one end and the other end forms the open portions 12 and 14, the side forms the closure portion 16, and the center forms the hollow portion 18 as the empty space as mentioned above.
  • a first input terminal may be provided between the input side first wire and the side end so that the input side first wire and the side end are electrically connected.
  • a first output terminal may be provided between the output side first wire and the other end of the side surface.
  • a housing in which the tubular conductor and the inner conductor are mounted may be further provided to support the tubular conductor and the inner conductor and prevent the inner conductor from contacting the tubular conductor.
  • the housing may be made of a plastic or ceramic material that is insulator.
  • the inner conductor 20 is inserted into the hollow portion 18 of the cylindrical conductor 10. At this time, the inner conductor 20 is spaced apart from the inner surface of the cylindrical conductor 10 without being electrically connected. Since the inner conductor 20 is not covered with an insulator or the like, an electrical short may occur when a part of the inner conductor 20 contacts the inner circumferential surface of the cylindrical conductor 10.
  • One end of the inner conductor 20 is electrically connected to an input second wire (not shown), and the other end is electrically connected to an output second wire (not shown).
  • a second input terminal may be provided between the input second wire and the one end of the inner conductor so that one end of the input second wire and the inner conductor 20 are electrically connected.
  • a second output terminal may be provided between the output second wire and the other end of the inner conductor.
  • the length B from one end to the other end of the inner conductor 20 is preferably less than or equal to the height A from one end to the other end of the side face of the cylindrical conductor 10 (A ⁇ B). This is because charges are trapped in the hollow portion of the tubular conductor 10.
  • the cylindrical conductor is illustrated in FIG. 1 as an example, the cylindrical conductor may be formed in any one of a shape including an elliptic cylindrical shape and an angular cylindrical shape in addition to the cylindrical shape.
  • the inner conductor is linearly illustrated in FIG. 1 as an example, the inner conductor may be formed in any one of a shape including a plate type and a rod type in addition to the linear type.
  • the inner conductor is surrounded by the cylindrical conductor regardless of the shape of the inner conductor.
  • the electric shock prevention device in electrical terms is filled with water between the tubular conductor and the inner conductor when submerged, and consequently the tubular conductor and the inner conductor and the It becomes an electrical resistor formed by water in between. Since the electrical resistance is proportional to the length of the resistor and inversely proportional to the cross-sectional area, the cross-sectional area of the tubular conductor is maximized and the length is minimum to minimize the electrical resistance. Accordingly, when connected in parallel to the human body and the ground plane, it is possible to minimize the current flowing to the human body with more resistance.
  • the cylindrical electric shock prevention device is installed with the internal conductor positioned inside the cylindrical conductor, and is installed at a lower position than the target electric equipment to be protected from flooding.
  • the controller exposed in the lower part is installed in a waterproof space, but when rainwater is filled in the space, people around them are at risk of electric shock.
  • the cylindrical electric shock prevention device is installed in this watertight space and is installed at a lower position than the controller so that the controller is submerged before the controller is submerged and can be operated first.
  • the tubular conductor and the inner conductor may be made of copper (Cu). According to the experiment, when the material of the plate-shaped conductor is copper, the effect of the electric shock prevention device was superior.
  • 2 is a conceptual diagram showing the arrangement of devices of the first experiment.
  • the tank 502 is filled with water, and one end of the tubular electric shock prevention device 503 according to the embodiment connected to the plug is immersed in the tank 502, and the other end of the lamp 505 is exposed to the outside of the tank.
  • the water in the tank is not grounded.
  • the plug 501 is connected to a power outlet to supply power.
  • the lamp 505 is turned on.
  • the experimenter 509 grasps the exposed end of the wire and measures the current flowing through the wire with the ammeter 507 while the other end is exposed to the water bath.
  • the experimenter 509 may be dangerous when the experiment is performed directly, the experimenter 509 may be replaced with an animal having a conductive property similar to that of the human body.
  • the power source used a commercial power source of 220V / 60Hz, and the load was connected to a 120W incandescent lamp.
  • the wires used also contain cylindrical conductors with a diameter of 1.8 mm.
  • This experiment can be modeled as an electrical circuit with the middle part of the electrical resistor, water, between the tubular and internal conductors grounded.
  • the human body can be modeled as another resistor connected between this electrical resistor and the ground plane.
  • the resistance of the human body and the resistance of water connected between the tubular conductor and the internal conductor and the ground plane are connected in parallel in electrical circuits to limit the current flowing to the human body. .
  • FIG. 3 is a conceptual diagram illustrating an arrangement of devices of a second experiment.
  • the second experiment is to fill the water tank 502 with the tubular electric shock prevention device 503 according to one embodiment, one end of which is connected to the plug, to the outside of the water tank 502, and another to be connected to the cylindrical electric shock prevention device 503
  • An electrical installation such as an outlet 513, is immersed in the bath 502, and another electrical installation, such as a lamp 505, connected to the outlet is exposed outside the tank.
  • the plug 501 is connected to a power outlet to supply power.
  • the cylindrical electric shock prevention device 503 can check that the lamp 505 is turned on even though the outlet 513, which is another electrical equipment, is not submerged in water and is submerged in water.
  • the experimenter 509 grasps the exposed end of the wire and measures the current flowing through the wire with the ammeter 507 while the other end is exposed to the water bath. Since the experimenter 509 may be dangerous when the experiment is performed directly, the experimenter 509 may be replaced with an animal having a conductive property similar to that of the human body. At this time, the commercial power of 220V / 60Hz was used, and the load connected the 120W incandescent lamp. Second Experiment Results Similar results to the first experiment were obtained. Applicant's results cannot be explained by the electrical modeling, but it is only supposed that the electrical flow with the human body is deformed when the cylindrical conductor and the internal conductor are exposed to air.
  • the present invention has been described above with reference to the accompanying drawings, but is not limited thereto and encompasses obvious modifications that can be derived by those skilled in the art from the disclosed and implied aspects.
  • the present invention can be applied to three-phase power.
  • the claims are intended to cover such obvious modifications.
  • the embodiment has a separate electric shock prevention device, but the electric shock prevention device may be embedded in other electrical equipment, such as a circuit breaker, a terminal block, an outlet, a plug, a battery, various electrical equipment. . This may be applied through a design change in which the cylindrical conductor and the inner conductor are inserted into the transmission and distribution path inside the electric device. Therefore, the expression 'electric shock protection device' in the present specification should be interpreted to cover such various electrical installations.

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Abstract

La présente invention porte sur une technologie d'émission et de distribution de puissance et, plus particulièrement sur un dispositif installé dans un chemin de délivrance de puissance ou au niveau de l'extrémité du chemin de délivrance de puissance afin d'empêcher un accident de choc électrique. Un dispositif de prévention de choc électrique cylindrique est connecté à un chemin d'émission et de distribution de puissance vers un équipement électrique. Le dispositif de prévention de choc électrique cylindrique empêche un choc électrique lorsque l'équipement électrique connecté au dispositif de prévention de choc électrique cylindrique ou un autre équipement électrique, qui est connecté électriquement à celui-ci et est localisé adjacent à celui-ci, est immergé dans l'eau.
PCT/KR2013/008281 2013-09-10 2013-09-13 Dispositif de prévention de choc électrique cylindrique pour équipement électrique WO2015037758A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020130108645A KR101496836B1 (ko) 2013-09-10 2013-09-10 전기 설비용 통형 감전 방지 장치
KR10-2013-0108645 2013-09-10

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WO2015037758A1 true WO2015037758A1 (fr) 2015-03-19

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WO (1) WO2015037758A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101625493B1 (ko) 2015-11-11 2016-05-30 (주)비젼테크 도전체의 배치와 형상에 제한이 없는 감전방지 및 누설전류 제한장치
KR102671149B1 (ko) * 2021-10-29 2024-05-31 (주)비젼테크 침수된 전기설비의 3상 4선식 상간전류 및 누설전류 제한장치

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003009373A (ja) * 2001-06-15 2003-01-10 Aoyagi:Kk 電線接続部の防水保護ケース
KR20050037986A (ko) * 2003-10-20 2005-04-25 현대방폭전기(주) 침수 감전 방지 장치
US20080194137A1 (en) * 2007-02-09 2008-08-14 Ko-An Kuo Fast coupling structure of waterproof cable connector
JP2011253710A (ja) * 2010-06-02 2011-12-15 Chugoku Electric Power Co Inc:The 端子台装置
KR101197414B1 (ko) * 2012-07-20 2012-11-05 (주)디에이치코프 침수 시 누전방지장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003009373A (ja) * 2001-06-15 2003-01-10 Aoyagi:Kk 電線接続部の防水保護ケース
KR20050037986A (ko) * 2003-10-20 2005-04-25 현대방폭전기(주) 침수 감전 방지 장치
US20080194137A1 (en) * 2007-02-09 2008-08-14 Ko-An Kuo Fast coupling structure of waterproof cable connector
JP2011253710A (ja) * 2010-06-02 2011-12-15 Chugoku Electric Power Co Inc:The 端子台装置
KR101197414B1 (ko) * 2012-07-20 2012-11-05 (주)디에이치코프 침수 시 누전방지장치

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