KR101584589B1 - Grounding monitoring apparatus of power line - Google Patents

Grounding monitoring apparatus of power line Download PDF

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Publication number
KR101584589B1
KR101584589B1 KR1020150130695A KR20150130695A KR101584589B1 KR 101584589 B1 KR101584589 B1 KR 101584589B1 KR 1020150130695 A KR1020150130695 A KR 1020150130695A KR 20150130695 A KR20150130695 A KR 20150130695A KR 101584589 B1 KR101584589 B1 KR 101584589B1
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KR
South Korea
Prior art keywords
ground
grounding
grounding member
power distribution
distribution line
Prior art date
Application number
KR1020150130695A
Other languages
Korean (ko)
Inventor
최재영
Original Assignee
(주)케이디엔지니어링건축사사무소
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Priority to KR1020150130695A priority Critical patent/KR101584589B1/en
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Publication of KR101584589B1 publication Critical patent/KR101584589B1/en

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    • G01R31/04—
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01R31/021—
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
    • H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
    • 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
    • H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/10—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to mechanical injury, e.g. rupture of line, breakage of earth connection
    • H02H5/105—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to mechanical injury, e.g. rupture of line, breakage of earth connection responsive to deterioration or interruption of earth connection

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)

Abstract

The present invention provides a distribution line ground monitoring device within the enclosure. A grounding monitoring apparatus for a distribution line in the complex includes a plurality of power distribution units (100) disposed in each of the complexes of the complex and having distribution lines; A plurality of grounding parts 200 detachably attached to the power distribution lines 110 of each of the plurality of power distribution parts 100 and grounding the power distribution line 110 to the ground 1; And a ground monitoring unit 300 for detecting the presence or absence of disconnection of the power line 110 from the plurality of ground units 200 and monitoring the ground state in real time.

Description

{GROUNDING MONITORING APPARATUS OF POWER LINE}

The present invention relates to a grounding monitoring apparatus for distribution lines in a complex, and more particularly, to a grounding monitoring apparatus for monitoring the grounding state of a distribution line of each terminal of a dwelling house in real time and at the same time, To a distribution line ground monitoring device in a complex that can improve grounding efficiency.

Generally, power is transferred from a power plant to a substation, subjected to several stages of transforming process, and then transferred to a home through a pole transformer along a distribution line such as a concrete pole.

In this case, the distribution line installed on the main pole requires securing materials and good grounding in the distribution line in order to protect the equipment by abnormal voltage such as lightning and surge and to prevent various electric disasters due to electric leakage.

The ground has the function of protecting human and electric equipment from power or lightning.

Particularly, in each complex of the apartment house, a distribution unit such as a distribution box is installed, and a distribution line is also installed.

Conventionally, since the state of grounding in each of the power distribution parts of each complex can not be monitored in real time, there is a problem that an electric shock accident occurs when an earth fault occurs in the power distribution part of any one complex.

A prior art document related to the present invention is Korean Patent Registration No. 10-0869084 (November 11, 2008).

SUMMARY OF THE INVENTION It is an object of the present invention to provide a method of monitoring a grounding state in a distribution line of each terminal of a dwelling house in real time and at the same time to increase the contact area in the ground in the distribution line, Monitoring device.

In a preferred embodiment, the present invention provides a grounding monitoring device with distribution lines in the enclosure.

A grounding monitoring apparatus for a distribution line in the complex includes a plurality of power distribution units (100) disposed in each of the complexes of the complex and having distribution lines; A plurality of grounding parts 200 detachably attached to the power distribution lines 110 of each of the plurality of power distribution parts 100 and grounding the power distribution line 110 to the ground 1; And a ground monitoring unit 300 for detecting the presence or absence of disconnection of the power line 110 from the plurality of ground units 200 and monitoring the ground state in real time.

Each of the plurality of grounding units 200 includes a grounding member 210 electrically connected to the power line 110 and a grounding member 210 fixed to the ground 1, A grounding device 220 for grounding the power distribution line through the grounding member 210 and connection sensing means 230 for sensing a connection state between the grounding device 220 and the grounding member 210 .

The grounding unit 220 includes a grounding body 221 having a disk shape and a plurality of embedding members 222 extending from the lower end of the grounding body 221 and fixed in the ground 1, A connecting end 223 formed at the upper end of the grounding body 221 and screwed to the lower end of the grounding member 210; a grounding body 223 formed inside the grounding body 221, And an inner grounding member 224 physically contacting the lower end of the grounding member 210 to be screwed and the other end protruding through the lower ends of the plurality of embedding members 222 to be embedded in the ground 1 .

The connection detecting means 230 is installed between the lower end of the grounding member 210 and the upper end of the inner grounding member 224 and is connected to the lower end of the grounding member 210, And a pressure sensor for measuring the pressure between the upper ends of the first and second pressure chambers 224 and 224.

The lower end of the inner grounding member 224 has a cone body 224a formed in a conical shape so as to be pointed downwardly and a lower end protruding from the outer periphery of the cone body 224a and being embedded in the upper ground 1 And may be formed as a plurality of unit grounding ends 224b.

The lower end of the inner grounding member 224 is formed to be rotated by driving the motor 500, and is preferably screwed into the ground due to rotation.

The ground monitoring unit 300 includes an on / off switch 310 for connecting and disconnecting the power line 110 of each of the plurality of ground units 200, It is preferable that the controller 320 judges that the ground is defective when the reference pressure is equal to or lower than a predetermined reference pressure.

It is preferable that the controller 320 cuts off the power distribution line by using the open / close switch 310 installed in the corresponding ground unit 200 among the plurality of the ground units 200 judged as bad ground.

The grounding member 210 is formed of a metal rod and has a plurality of connection ends 210a protruding in four directions on the outer surface of the grounding member 210 and connected to the other distribution line 110 .

The present invention has the effect of improving the grounding efficiency by monitoring the grounding state at the distribution line of each terminal of the apartment house in real time and increasing the contact area in the ground at the distribution line.

Further, the present invention has the effect of effectively preventing the electric shock accident of the manager in the ground fault state immediately by shutting off the power distribution line at the power distribution part of the complex where ground fault is generated.

In addition, the present invention has the effect of reducing the possibility of ground failure by providing a separate connection end to one grounding member and branching from one power distribution line to a plurality of strands and connecting to the connection end.

Fig. 1 is an overall schematic diagram showing a distribution line ground monitoring apparatus in a complex according to the present invention installed in a plurality of power distribution units.
2 is a view showing a distribution line ground monitoring apparatus in a complex according to the present invention.
3 is a view showing a state in which the grounding member is separated.
4 is a view showing a structure of a grounding member according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a distribution line ground monitoring apparatus in the present invention will be described with reference to the accompanying drawings.

Fig. 2 is a view showing a distribution line ground monitoring apparatus in a complex according to the present invention, and Fig. 3 is a view showing a distribution line ground monitoring apparatus installed in a plurality of power distribution units according to the present invention, FIG. 4 is a view showing a structure of a grounding member according to the present invention. FIG.

1 to 4, a floor distribution line ground structure according to the present invention includes a plurality of power distribution parts 100 disposed in respective complexes of a house and having distribution lines; A plurality of grounding parts 200 detachably attached to the power distribution lines 110 of each of the plurality of power distribution parts 100 and grounding the power distribution line 110 to the ground 1; And a ground monitoring unit 300 for detecting the presence or absence of disconnection of the power line 110 from the plurality of ground units 200 and monitoring the ground state in real time.

Each of the plurality of grounding units 200 includes a grounding member 210 electrically connected to the power line 110 and a grounding member 210 fixed to the ground 1, A grounding device 220 for grounding the power distribution line through the grounding member 210 and connection sensing means 230 for sensing a connection state between the grounding device 220 and the grounding member 210 do.

The grounding members 210 are formed as a pair.

The pair of grounding members 210 are in contact with each other. The coupling is through a bolt (not shown).

A connection terminal is formed in each of the pair of ground members 210, and an end of the distribution line 110 is connected to the connection terminal.

Thus, when the pair of ground members 210 are coupled to face each other, each connection terminal is connected.

The grounding unit 220 includes a grounding body 221 having a disk shape and a plurality of embedding members 222 extending from the lower end of the grounding body 221 and fixed in the ground 1, A connecting end 223 formed at the upper end of the grounding body 221 and screwed to the lower end of the grounding member 210; a grounding body 223 formed inside the grounding body 221, And an inner grounding member 224 physically contacting the lower end of the grounding member 210 to be screwed and the other end protruding through the lower ends of the plurality of embedding members 222 to be embedded in the ground 1 .

The connection detecting means 230 is installed between the lower end of the grounding member 210 and the upper end of the inner grounding member 224 and is connected to the lower end of the grounding member 210, And a pressure sensor for measuring the pressure between the upper ends of the first and second valves 224 and 224.

The lower end of the inner grounding member 224 has a cone body 224a formed in a conical shape so as to be pointed downwardly and a lower end protruding from the outer periphery of the cone body 224a and being embedded in the upper ground 1 And a plurality of unit grounding ends 224b.

5, the lower end of the inner grounding member 224 according to the present invention is rotated by the driving of the motor 500,

At the lower end of the inner grounding member 224, a cone-shaped cone body 224a to be rotated is formed.

A screw projection 224c is formed on the outer periphery of the cone body 224a.

The inner ground member 224 is screwed to the ground 1 when it is rotated by the motor 500.

Accordingly, not only the fixing force of the grounding device 220 itself in the ground is improved, but also the cone body is screwed to the ground, so that the fixing force forming area and the grounding area can be increased.

The motor 500 is driven by a control signal of a controller 320, which will be described later.

The motor 500 is disposed at the lower end of the inner grounding member 224 and the motor shaft (not shown) of the motor 500 is disposed to face downward, Lt; / RTI >

When the motor 500 is driven, the motor shaft is rotated, and the cone body 224a connected to the motor shaft to be rotated is rotated.

The ground monitoring unit 300 includes an on / off switch 310 for connecting and disconnecting the power line 110 of each of the plurality of ground units 200, And a controller 320 that determines that the ground is defective when the reference pressure is equal to or lower than a predetermined reference pressure.

The controller 320 disconnects the power distribution line by using the open / close switch 310 installed in the corresponding ground unit 200 among the plurality of the ground units 200 judged as the ground fault.

The grounding member 210 is formed of a cylindrical metal and a plurality of connecting ends 210a protruding in four directions and connected to the other power distribution line 110 are formed on the outer surface of the grounding member 210 .

According to the present invention, it is possible to monitor the grounding state of the power distribution line of each terminal of the apartment house in real time and to increase the contact area in the power distribution line, thereby improving the grounding efficiency.

In addition, the present invention can effectively prevent an electric shock accident of a manager in a faulty ground state by immediately shutting off a distribution line at a distribution part of the complex in which a faulty ground is generated.

In addition, according to the present invention, it is possible to reduce the possibility of a ground fault by providing a separate connection end to one grounding member and branching to a plurality of strands from one power distribution line to connect to the connection end.

While the present invention has been described with respect to specific embodiments of a ground monitoring apparatus for distribution lines in the present invention, it is apparent that various modifications can be made without departing from the scope of the present invention.

Therefore, the scope of the present invention should not be limited to the above-described embodiments, but should be determined by the scope of the appended claims and equivalents thereof.

It is to be understood that the foregoing embodiments are illustrative and not restrictive in all respects and that the scope of the present invention is indicated by the appended claims rather than the foregoing description, It is intended that all changes and modifications derived from the equivalent concept be included within the scope of the present invention.

100: Power distribution unit
200:
300: ground monitoring unit

Claims (4)

A plurality of power distribution units disposed in each of the complexes of the apartment house and having power distribution lines;
A plurality of grounding portions installed to be detachable from the power distribution lines of each of the plurality of power distribution portions and grounding the power distribution line to the ground; And
And a ground monitoring unit that detects the presence or absence of disconnection from the distribution line at the plurality of ground units and monitors the ground state in real time,
Wherein each of the plurality of ground portions includes:
A grounding member electrically connected to the power distribution line,
A grounding device fixedly installed in the ground, the grounding member being detachably connected, and grounding the power distribution line through the grounding member;
And connection detecting means for detecting a connection state between the grounding device and the grounding member,
The grounding device includes:
Shaped ground body,
A plurality of embedding members extending from a lower end of the rim of the grounding body and fixedly embedded in the ground;
A connection terminal formed on an upper end of the grounding body and screwed to a lower end of the grounding member,
A grounding member which is provided inside the grounding body and is made of metal and is physically brought into contact with the lower end of the grounding member whose one end is screwed and whose other end is protruded through the lower end of the plurality of embedding members, Member,
Wherein the connection detecting means comprises:
And a pressure sensor provided between the lower end of the grounding member and the upper end of the inner grounding member and measuring the pressure between the lower end of the grounding member and the upper end of the inner grounding member due to the screwing, Ground monitoring device.
delete delete The method according to claim 1,
The ground monitoring unit includes:
An open / close switch for connecting and disconnecting the distribution line of each of the plurality of ground units,
And a controller for determining that the ground fault is caused when the pressure measured at each of the plurality of ground units is received and becomes equal to or lower than a predetermined reference pressure,
The controller comprising:
Closing the power distribution line by using an open / close switch installed at the corresponding ground portion among the plurality of ground portions judged as the ground fault,
The lower end of the inner grounding member is rotated by driving of the motor,
A cone-shaped cone body to be rotated is formed at the lower end of the inner grounding member,
A screw protrusion is formed on an outer periphery of the cone body,
Wherein the inner grounding member is screwed into the ground when it is rotated by the motor.

KR1020150130695A 2015-09-16 2015-09-16 Grounding monitoring apparatus of power line KR101584589B1 (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101680223B1 (en) 2016-04-07 2016-11-28 김점주 Application method of remote monitoring apparatus for distribution line
KR101796310B1 (en) * 2017-05-26 2017-11-13 동양감리(주) Remote monitoring apparatus of distribution line
KR102398268B1 (en) * 2021-12-10 2022-05-17 주식회사 정인엔지니어링 Providing method for a distribution line monitoring system
KR102408033B1 (en) * 2021-12-10 2022-06-14 주식회사 정인엔지니어링 Distribution Line Monitoring System
KR20240074048A (en) 2022-11-18 2024-05-28 한국남동발전 주식회사 IoT-based multifunction grounding integrated monitoring system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101381805B1 (en) * 2013-12-12 2014-04-07 기찬정보통신(주) Apparatus and method for monitoring ground line

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101381805B1 (en) * 2013-12-12 2014-04-07 기찬정보통신(주) Apparatus and method for monitoring ground line

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101680223B1 (en) 2016-04-07 2016-11-28 김점주 Application method of remote monitoring apparatus for distribution line
KR101796310B1 (en) * 2017-05-26 2017-11-13 동양감리(주) Remote monitoring apparatus of distribution line
KR102398268B1 (en) * 2021-12-10 2022-05-17 주식회사 정인엔지니어링 Providing method for a distribution line monitoring system
KR102408033B1 (en) * 2021-12-10 2022-06-14 주식회사 정인엔지니어링 Distribution Line Monitoring System
KR20240074048A (en) 2022-11-18 2024-05-28 한국남동발전 주식회사 IoT-based multifunction grounding integrated monitoring system

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