KR102356092B1 - Distribution line fault section monitoring system - Google Patents

Abstract

The present invention provides a fault section monitoring system of distribution lines connected to a transformer, which includes the steps of: installing distribution lines; installing a fault section monitoring system of the distribution lines connected to a transformer for recognizing a fault section among the distribution lines; and testing and verifying the fault section monitoring system of the distribution lines connected to the transformer, and operating the verified fault section monitoring system, wherein the fault section monitoring system of the distribution lines connected to the transformer is composed of a PLC communication terminal including a PLC modem connected to the distribution lines, and the fault section monitoring system of the distribution lines connected to the transformer, and a device for checking at least a part of the process of installing the distribution lines, installing the failure section monitoring system and operating the failure section monitoring system. Thus, the point of the faulty section or faulty line is accurately detected.

Description

Fault section monitoring system of a distribution line connected to a transformer {Distribution line fault section monitoring system}

The present invention uses Power Line Communication (PLC) by the PLC communication terminal installed in the substation and the ungrounded distribution line in the ungrounded distribution line connected to the transformer of the substation. More specifically, the power supply side installs a PLC communication terminal with a built-in PLC modem connected by a three-phase distribution line and a star connection, and the load side uses a three-phase distribution line and a PLC modem connected by a delta connection or a star connection. It relates to a system that installs a built-in PLC communication terminal to perform power line communication with each other so that a ground fault accident, failure, or failure section of an ungrounded distribution line can be searched in real time.

In general, an ungrounded distribution line has a configuration to prevent an electric shock accident by insulating the earth and the distribution system by not grounding the neutral point of the secondary side of the transformer. The transformer used in the ungrounded distribution line uses an isolation transformer, and through this, the secondary side of the transformer installed on each substation is completely separated into other systems. The ungrounded distribution line has the advantage of being able to provide a very stable power supply and attenuation of high frequencies, and generate a small amount of fault current in case of a ground fault or fault. However, the ungrounded distribution line as described above has a problem in that if a ground fault occurs in one of the three-phase distribution lines, the earth voltage of the sound phase rises to 1.7 times or more, thereby generating a high voltage. When the ground fault and fault section as described above occur, the fault current is very small (a few A), so it is not easy to detect the ground fault point and fault section, the voltage becomes unbalanced, and the sound voltage rises to the non-battery distribution line There is a problem that causes a major accident by affecting various devices connected to the device. Therefore, in order to solve the above problems, conventionally, a device such as an analog fault recognition device for recognizing a fault according to the amount of ground current and voltage imbalance or the degree of rise of a sound voltage has been used. However, in the above method, the location of the faulty line cannot be accurately found, and the amount of ground current, the degree of voltage imbalance, and the healthy voltage rise are different depending on the ground fault condition. There is a difficult problem. In addition, there is a problem in that the failure recognition device for recognizing the above failures and accidents is mechanically large, which impairs the aesthetics of the city.

Korean Patent Publication No. 10-2005-0020841

The problem to be solved by the present invention is to install a PLC communication terminal for each substation or each section of an ungrounded distribution line. Alternatively, an object of the present invention is to provide a system for accurately locating a faulty line or a ground fault accident point.

In addition, by using power line communication using a PLC modem, it is possible to know the faulty section or faulty line or ground fault point in the ungrounded distribution line from a remote location without additionally installing an optical communication line or Internet line for communication. do it with

In addition, PLC communication terminals installed in various places on ungrounded distribution lines transmit and receive high-frequency PLC signals to determine whether the PLC signal is attenuated or incapable of communication due to a ground fault or poor insulation, and whether the line is faulty or insulation is deteriorated. The purpose is to be able to accurately determine

In addition, it is possible to verify the adequacy of the installation in advance, during the construction process and after the construction process by performing monitoring of each various positions and multiple positions during the installation, installation process, and post-installation of these distribution lines and related structures. In addition, it is to provide a fault section monitoring system of a distribution line connected to a transformer that can detect and cope with a nearby target according to the situation of the surrounding area.

In addition, the self-operation and installation structure of the means to verify the adequacy of this construction are more safely provided, but with resistance performance from impacts to various external factors and impacts to internal factors, efficiency and repair in installation management It is to provide a fault section monitoring system of a distribution line connected to a transformer that can suppress the cost consumption caused by this.

In addition, it is to provide a fault section monitoring system of a distribution line connected to a transformer that can promptly take action by immediately determining and detecting appropriate operation and abnormality in real-time in the operation of the means for verification.

The problems of the present invention are not limited to the problems mentioned above, and other problems not mentioned will be clearly understood by those skilled in the art from the following description.

The present invention provides a system for monitoring a failure section of a distribution line connected to a transformer, comprising the steps of: installing the distribution line; installing a fault section monitoring system of a distribution line connected to a transformer for recognizing a fault section among the distribution lines; and testing and verifying the fault section monitoring system of the distribution line connected to the transformer, and operating the verified fault section monitoring system, wherein the fault section monitoring system of the distribution line connected to the transformer is a PLC communication terminal and a PLC communication terminal including a PLC modem connected to a distribution line, wherein the fault section monitoring system of the distribution line connected to the transformer includes the installation of the distribution line, the installation of the fault section monitoring system, and the fault section Provided is a system for monitoring a fault section of a distribution line connected to a transformer including a grasping device for grasping at least a part of the operation of the monitoring system.

According to the present invention as described above, there are one or more of the following effects.

In the present invention, the problem to be solved by the present invention is to install a PLC communication terminal for each sub-pole or each section of an ungrounded distribution line, so that a failure section or failure in an ungrounded distribution line using Power Line Communication (PLC) It is to provide a fault section monitoring system of a distribution line connected to a transformer that accurately detects a line or a ground fault accident point.

In addition, by using power line communication using a PLC modem, it is possible to know the fault section or fault line or ground fault point in the ungrounded distribution line from a remote location without installing an additional optical communication line or Internet line for communication. It is to provide a fault section monitoring system of the connected distribution line.

In addition, PLC communication terminals installed in various places on ungrounded distribution lines transmit and receive high-frequency PLC signals to determine whether the PLC signal is attenuated or incapable of communication due to a ground fault or poor insulation, and whether the line is faulty or insulation is deteriorated. It is to provide a system for monitoring the fault section of the distribution line connected to the transformer so that it can be accurately identified.

In addition, it is possible to verify the adequacy of installation in advance, during the construction process, and after the construction process by performing monitoring of each various locations and multiple locations during the installation, installation process, and post-installation of these distribution lines and related structures. In addition, it is to provide a fault section monitoring system of a distribution line connected to a transformer that can detect and respond to a nearby target according to the circumstance of the surrounding area.

In addition, the self-operation and installation structure of the means to verify the adequacy of this construction are more safely provided, but with resistance performance from impacts to various external factors and impacts to internal factors, efficiency and repair in installation management It is to provide a fault section monitoring system of a distribution line connected to a transformer that can suppress the cost consumption caused by this.

In addition, it is to provide a fault section monitoring system of a distribution line connected to a transformer that can promptly take action by immediately determining and detecting appropriate operation and abnormality in real-time in the operation of the means for verification.

1 is a view schematically showing an ungrounded distribution line according to the present invention.
2 is a view showing a state in which a PLC communication terminal installed on each side pole is connected to a distribution line in the present invention.
Figure 3 is a diagram showing the delta connection of the PLC modem in the PLC communication terminal in the present invention.
Figure 4 is a view showing the molding connection of the PLC modem in the PLC communication terminal in the present invention.
5 to 8 are views schematically showing the main components of the present invention.

In order to solve the technical problem described above, the present invention provides an ungrounded distribution line and a PLC communication terminal installed in a substation in an ungrounded distribution line to achieve a ground fault and failure accident by power line communication (PLC). It relates to a system and method for identifying a section.

In more detail, the power source (substation) side installs a PLC communication terminal with a built-in PLC modem connected with a 3-phase distribution line and a star connection, and the load (line) side uses a PLC modem connected with a 3-phase distribution line with a delta connection or a star connection. It relates to a system and method for installing a built-in PLC communication terminal to perform power line communication with the substation side so that a ground fault accident, failure, or failure section of an ungrounded distribution line can be detected in real time.

The present invention is characterized in that it consists of a PLC communication terminal connected to the secondary side of the main transformer on the power source (substation) side, and a PLC communication terminal installed one for each secondary side of the transformer on the line (load) side. The PLC communication terminal installed on the secondary side of the main transformer on the power source (substation) side includes a PLC modem connected to each phase of a three-phase distribution line, and the PLC modem is connected by a star connection (Y-connection), It is configured to transmit the PLC signal to the PLC communication terminal installed on the line (load) side.

) 결선 또는 성형 결선(Y-결선)으로 연결되도록 구성한다. 상기와 같은 시스템은 전원(변전소)측의 메인 트랜스 2차 측에 설치된 PLC 통신 단말기에서 고주파인 PLC 신호를 송출하면, 선로(부하)측의 변압기 2차 측에 설치된 PLC 통신 단말기에서 상기 송출 신호를 수신하고 응답 신호를 상기 전원 측의 메인 트랜스 2차 측에 설치된 PLC 통신 단말기로 송출하도록 한다.A PLC communication terminal installed one for each secondary side of the transformer on the line (load) side is configured to include a PLC modem connected to each phase of a three-phase distribution line, and the PLC modem is a delta (

) connection or forming connection (Y-connection). In the above system, when a PLC communication terminal installed on the secondary side of the main transformer on the power source (substation) side transmits a high-frequency PLC signal, the PLC communication terminal installed on the secondary side of the transformer on the line (load) side transmits the transmitted signal. Receive and transmit the response signal to the PLC communication terminal installed on the secondary side of the main transformer on the power supply side.

A current transformer for a line may be used as the receiving auxiliary device of the above PLC communication terminal. In the case of a low-noise line such as a distribution line installed around a residential area or a distribution line of 6.6 kV or less, the system as described above does not require a separate reception communication facility to be installed, and the high-voltage line itself as a communication medium can be used as a communication medium. . In addition, the present invention additionally installs one PLC communication terminal on the transformer for PLC communication at the point closest to the power source (substation) side, and the connection is a star connection (Y-connection), and the power supply (substation) side It can be configured to transmit PLC signals from the secondary side of the transformer nearest the

The system operating as described above consists of a forming connection (Y-connection) of the PLC modem in the PLC communication terminal for transmission installed on the secondary side of the main transformer on the power supply (substation) side, so that the carrier frequency of the high-frequency PLC signal causes a ground fault. Since the strength of the signal rapidly decreases during the time of the ground fault, the PLC communication terminal after the ground fault section is in a communication disabled state, so that the ground fault accident can be recognized and the fault section can be identified. In addition, the present invention uses the property that high-frequency PLC signal leakage occurs severely even when cracks or insulation failure occurs in the insulator, and the intensity of the PLC carrier frequency signal decreases, to prevent insulation failure or cracks in the insulator at an early stage. Because it can be detected, it is possible to prevent line accidents in advance.

A preferred embodiment according to the present invention configured and operated as described above will be described in detail with reference to the accompanying drawings. 1 is a view showing a state in which a PLC communication terminal is installed on the power supply (substation) side and each utility pole so that a faulty section of an ungrounded distribution line can be detected using the power line communication proposed in the present invention. As shown in the drawing, the PLC communication terminal 300 installed on the secondary side of the main transformer on the power supply (substation) side connects the PLC modem 301 connected to each phase of the three-phase distribution line by forming (Y-connection) to connect and configure. In addition, the PLC communication terminal 310 installed on the secondary side of the transformer of each substation connects the PLC modem 301 connected to each phase of the three-phase distribution line by either delta connection or star connection (Y-connection). to configure

When a PLC signal is transmitted from the PLC communication terminal 300 installed on the secondary side of the main transformer on the power source (substation) side to the PLC communication terminals 310 installed on each substation and the line side, the line (load) side, that is, each The PLC communication terminals 310 installed on the secondary side of the transformer are configured to transmit a response signal in response to the transmission signal. If a ground fault occurs between point 'b' and point 'c', the PLC signal transmitted from the PLC communication terminal 300 installed on the secondary side of the main transformer on the power supply (substation) side is the PLC installed on each substation. It is received at the communication terminal, and the magnitude of the signal received from the PLC communication terminal 300 at point 'a' and the PLC communication terminal 310 at point 'b' is greater than the size of the signal received from the PLC communication terminal 310 at point 'c'. Since the signal size is remarkably reduced and a communication impossible state occurs, it is possible to recognize from a remote location that a ground fault has occurred between point 'b' and point 'c'.

2 is a diagram illustrating the connection of a three-phase distribution line, a load-side transformer of each substation, and a PLC communication terminal. 3 is a diagram showing the delta connection of the PLC modem 301 in the PLC communication terminal 310 installed on the secondary side of the transformer on the line (load) side, and FIG. 4 is the main transformer secondary side of the power supply (substation) side It is a diagram showing that the PLC modem 301 in the PLC communication terminal 300 to be installed has a star connection. As shown in the figure above, in the state in which the PLC communication terminals 300 and 310 are installed on the ungrounded distribution line, when a signal is transmitted from the PLC communication terminal 300 installed on the secondary side of the main transformer on the power (substation) side, the line ( The PLC communication terminal 310 installed on the secondary side of the load) side transformer receives the signal and operates to send a response signal.

However, when a ground fault occurs in any section of an ungrounded distribution line, the PLC communication terminal 310 installed on the secondary side of the line (load) side transformer installed after the ground fault point causes the PLC carrier frequency signal to rapidly increase in size. is reduced, and thus communication becomes impossible, so that it is possible to recognize at which point in the ungrounded distribution line a ground fault occurred. In addition, in the above method, high-frequency PLC signal leakage occurs severely even when there is a crack or insulation defect in the insulator. Cracks can be detected early.

5 to 8 based on the above description, in the fault section monitoring system of a distribution line connected to a transformer, the steps of: installing the distribution line; installing a fault section monitoring system of a distribution line connected to a transformer for recognizing a fault section among the distribution lines; and testing and verifying the fault section monitoring system of the distribution line connected to the transformer, and operating the verified fault section monitoring system.

Here, the fault section monitoring system of the distribution line connected to the transformer is composed of a PLC communication terminal and a PLC communication terminal including a PLC modem connected to the distribution line, and the fault section monitoring system of the distribution line connected to the transformer is, and a grasping device for grasping at least a part of the process of installation of the distribution line, installation of the fault section monitoring system, and operation of the fault section monitoring system.

In addition, the grasping device 300 includes a flight photographing unit for grasping an object and a situation around the object; The first body module 330 provided with 1-1 flight photographing units 311 of the flight photographing unit; A second main body module 340 which is provided with a 2-1 flight photographing unit 321 of the flight photographing unit, and faces the first main body module 330; A first mounting body 351 mounted on one side of the first body module 330 to space the first body module 330 upward from the base structure 305, and the first mounting body 351 a first sub-module including a provided first outer body 352; a second mounting body 361 mounted on one side of the second body module 340 to space the second body module 340 upward from the base structure 305; and the second mounting body 361 a second sub-module including a second outer body 362 provided with; a first grasping unit installed on the first outer body 352 and configured to grasp the activity and status of the first main body module 330 and the flight recording unit; And it is installed on the second outer body 362, and includes a second grasping unit for grasping the activity and state of the second body module 340 and the flight recording unit.

Here, the first body module 330 is provided with a first side movable body 331 that is provided along the height direction on one side, and the first side movable body 331 has a plurality of 1-1 flight photographing units. 311 is provided, and the 1-1 flight recording unit 311 is dispatched to the first area where the monitoring object is located, and a comprehensive state including factors of construction, workers and surrounding environment for the first area Perform sortie and return to carry out grasp.

On the other hand, the second body module 340 is provided with a second side movable body 341 that is provided along the height direction on one side, and the second side movable body 341 has a plurality of 2-1 flying shooting units. 321 is provided, and the 2-1 flight recording unit 321 is dispatched to the second area, which is a different area from the first area, and includes factors of workers and surrounding environments for the second area. Sortie and return to carry out status check.

Here, the first grasping unit includes a first movable body 411 provided on the first outer body 352, a first support body 412 provided on the first movable body 411, and the The first support body 412 is provided vertically on the inner surface of the first body module 330 and the first body module 330 and the first-first flight photographing unit 311, respectively, to provide information to the outside by performing a state identification 1-1 includes a photographic object 413

The second grasping unit includes a second movable body 421 provided on the first outer body 352, a second support body 422 provided on the second movable body 421, and the first 2 A second support body 422 is provided vertically on the inner surface to provide information to the outside by performing a state understanding of the first body module 330 and the 2-1 flight recording unit 321, respectively. -1 includes a photographic object 423 .

On the other hand, the 1-1 photographing body 413 is provided in a plurality of up and down on the outer surface to detect external obstacles and preset conditions, and to detect information for dispatch and return of the flight photographing unit and the detection information. A 1-2 photographing body 414 for providing judgment information based on the determination information is provided, and the 2-1 photographing body 423 includes:

A second 2-2 photographing body ( 424) is provided.

Here, the first outer body 352 flows close to or spaced apart from the first body module 330 on the base structure 305 , and the first mounting body 351 is a first insert mounting plate 3511 ). The first main body module 330 is inserted and mounted, and the first main body module 330 and the first outer body 352 are interlocked and fixed, and the second outer body 362 is the base structure 305 ) in the direction of the second body module 340 to flow close or spaced apart, the second mounting body 361 has a second insertion mounting plate 3611 inserted into the second body module 340, and the The second body module 340 and the second outer body 362 are interlocked and fixed.

In addition, the first body module 330 is provided in a state spaced upward from the base structure 305 by the first mounting body 351,

A first bottom movable body 338 protruding downward through a connecting body 339 in a state spaced apart from the base structure 305 upward is provided,

A 1-2 first flight photographing unit 312 having a smaller volume than the 1-1 flight photographing unit 311 is provided on the first bottom movable body, and the 1-2 flight photographing unit 312 is the first It is operated to replace or assist the rotation of the -1 flight unit difficult to enter or the 1-1 flight photographing unit 311 .

Here, the second body module 340 is provided in a state of being spaced upward from the base structure 305 by the second mounting body 361,

A second bottom movable body 348 protruding downward through the connecting body 349 in a state spaced apart from the base structure 305 upward is provided,

A 2-2 second flight photographing unit 322 having a smaller volume than the 2-1 flight photographing unit 321 is provided on the second bottom movable body, and the 2-2 flight photographing unit 322 is the second It is operated to substitute or assist the rotation of the -1 flight unit difficult to enter or the 2-1 flight recording unit 321 is difficult to enter.

A first upper release and lower body 337 protruding inside and out is provided as an upper portion of the first body module 330, and a plurality of first to third flight photographing units 313 are provided on the first upper releasing and projecting body 337. ) is provided, and a second upper ejection-molding body 347 protruding and protruding inside and out is provided on the upper portion of the second main body module 340, and a plurality of 2-3 A flight photographing unit 347 is provided.

On the other hand, the first side movable body 331, the second side movable body 341, the first bottom movable body 338 and the second bottom movable body 348 is an external environment or the long-term non-operation of the flight shooting unit and the For storage including storage according to the failure of the flight recording unit, the first body module 330 and the second body module 340 are retractable and can be accommodated inside.

Here, the first mounting body 351 and the second mounting body 361 are interconnected and fixed through an interlocking body (L), and the second spaced body is the interlocking body from the first mounting body 351. (L) moves back and forth so that the second mounting body 361 is spaced apart or close to the first spaced body, and is interconnected and fixed through the interlocking body (L). The first insertion mounting plate 3511 is axially rotated from the first mounting body 351 in a state inserted into the first main body module 330, and the second insertion mounting plate 3611 is the second body It is axially rotated from the second mounting body 361 in a state inserted into the module 340 .

In addition, the first mounting body 351 is operated so as to be adjustable in height up and down from the first outer body 352, so that the height of the first body module 330 from the base structure 305 is adjusted, The second mounting body 361 is operated to be adjustable in height from the second outer body 362 , so that the height of the second body module 340 from the base structure 305 is adjusted.

The first insertion mounting plate 3511 and the second insertion mounting plate 3611 are moved up and down on the first outer body 352 and the second outer body 362, respectively, and the first main body module ( 330) and the second body module 340 are again adjusted to be seated or spaced apart from the base structure 305 . Meanwhile, the first support body 412 is provided to be rotatable at a predetermined angle on the first movable body 411 , and the second support body 422 is rotated at a predetermined angle on the second movable body 421 . provided possible.

In addition, the first support body 412 is provided to be positioned diagonally toward the first main body module 330 to suppress exposure to external wind pressure, minimize contact with external obstacles, and the second support body 422 ) is provided to be positioned diagonally toward the second body module 340, to suppress exposure to external wind pressure, to minimize contact with external obstacles, and to diagonally positioned the first support body 412 and the first The two support bodies 422 are interconnected and fixed by a connecting fixture.

Meanwhile, the connection fixture includes a center body 511 and a first mounting body 511 provided on one side of the center body 511, into which the upper end of the first support body 412 is inserted, and the It is provided on the other side of the center body 511 and includes a second mounting body 514,515 into which the upper end of the second supporting body 422 is inserted, and the first mounting body 512 and 513 corresponds to the first supporting body. so as to be rotated from the center body 511, and the second mounting body 514,515 is rotated from the center body 511 to correspond to the second support body.

In addition, the first mounting bodies 512 and 513 are provided rotatably from the 1-1 mounting part 513 directly linked to the center body 511 and the 1-1 mounting part 513, and the first support The body 412 includes a 1-2 first mounting part 512 into which the body 412 is inserted, and the second mounting body 514,515 includes a 2-1 mounting part 515 directly linked to the center body 511, and the It is provided rotatably from the 2-1 mounting part 515 and includes a 2-2 mounting part 514 into which the second support body 422 is inserted.

The 1-2 mounting part 512 fixes the first supporting body 412 with a rotational force through rotation when the first supporting body 412 is inserted and mounted in the 1-1 mounting part 513, The 2-2 mounting part 514 fixes the second support body 422 by rotational force through rotation when the second support body 422 is inserted and mounted in the 2-1 mounting part 515 . A plurality of first state analysis windows 3311 corresponding to the first side movable body 331 are provided on the first main body module 330 to display the state of the 1-1 flight photographing unit 311 as text information, Numerical information and first color information are output, and the first color information includes different 1-1 color information and 1-2 color information for classifying the normal or faulty state of the 1-1 photographing body 413 . do.

On the other hand, a plurality of second status analysis windows 3411 corresponding to the second side movable body 341 are provided on the second body module 340 to display the status of the 2-1 flight recording unit 321 as text information. , number information and second color information are output, but the second color information is different 2-1 color information and 2-2 color information for classifying the normal or faulty state of the 2-1 photographing body 423 . include The driving method of the physical components described above is based on a motor, an actuator, etc., and the forward and backward movement and rotational movement are made, and the shape and size of each component can be variously selected and provided according to the installation site and materials to be implemented. . Although the present invention has been described with reference to the embodiment shown in the drawings, which is merely exemplary, it will be understood by those skilled in the art that various modifications and equivalent other embodiments are possible therefrom. Accordingly, the true technical protection scope of the present invention should be determined by the technical spirit of the appended claims.

100: Transformer 200: Transformer
300, 310: PLC communication terminal 301: PLC modem
A, B, C: 3-phase distribution line

Claims (3)

In the fault section monitoring system of the distribution line connected to the transformer,
a step in which a distribution line is installed;
installing a fault section monitoring system of a distribution line connected to a transformer for recognizing a fault section among the distribution lines; and
Testing and verifying a fault section monitoring system of a distribution line connected to the transformer, and operating the verified fault section monitoring system,
The fault section monitoring system of the distribution line connected to the transformer is composed of a PLC communication terminal and a PLC communication terminal including a PLC modem connected to the distribution line,
The fault section monitoring system of the distribution line connected to the transformer,
and a grasping device for grasping at least a part of the process of installation of the distribution line, installation of the fault section monitoring system, and operation of the fault section monitoring system,
The grasping device 300 is
A flight photographing unit for detecting the target and the area around the target;
a first body module 330 provided with 1-1 flight photographing units 311 of the flight photographing unit;
A second main body module 340 which is provided with a 2-1 flight photographing unit 321 of the flight photographing unit, and faces the first main body module 330;
A first mounting body 351 mounted on one side of the first body module 330 to space the first body module 330 upward from the base structure 305, and the first mounting body 351 a first sub-module including a provided first outer body 352;
a second mounting body 361 mounted on one side of the second body module 340 to space the second body module 340 upward from the base structure 305; and the second mounting body 361 a second sub-module including a second outer body 362 provided with;
a first grasping unit installed on the first outer body 352 and configured to grasp the activity and state of the first main body module 330 and the flight recording unit; and
It is installed on the second outer body 362, and includes a second grasping unit for grasping the activity and state of the second main body module 340 and the flight recording unit,
The first body module 330,
A first side movable body 331 that is provided along the height direction is provided on one side, and the first side movable body 331 is provided with a plurality of 1-1 flight photographing units 311,
The 1-1 flight photographing unit 311 is,
Perform sortie and return to perform a comprehensive state assessment including factors of construction, workers and surrounding environment for the first area by dispatching to the first area,
The second body module 340,
A second side movable body 341 provided on one side is provided along the height direction, and the second side movable body 341 is provided with a plurality of 2-1 flight photographing units 321,
The 2-1 flight photographing unit 321 is,
Performs sortie and return to the second area, which is a different area from the first area, to perform a comprehensive status assessment including factors of construction, workers and surrounding environment for the second area,
The first grasping unit,
A first movable body 411 provided on the first outer body 352, and;
A first support body 412 provided on the first movable body 411, and;
The first support body 412 is provided vertically on the inner surface to provide information to the outside by performing a state understanding of the first body module 330 and the 1-1 flight recording unit 311, respectively. Including the 1-1 photographing body 413,
The second grasping unit,
a second movable body 421 provided on the first outer body 352, and;
a second support body 422 provided on the second movable body 421,
The second support body 422 is provided in a plurality of up and down on the inner surface to provide information to the outside by performing a state understanding of the first body module 330 and the 2-1 flight recording unit 321, respectively. Including the 2-1 photographing body 423,
The 1-1 photographing body 413 is,
The first and second photographing bodies ( 414) is provided,
The 2-1 photographing body 423 is,
A 2-2 photographing body ( 424) is provided,
The first outer body 352 flows close to or away from the first body module 330 on the base structure 305, and the first mounting body 351 has a first insert mounting plate 3511. It is inserted and mounted in the first main body module 330 to interlock and fix the first main body module 330 and the first outer body 352,
The second outer body 362 flows close to or apart from the second body module 340 on the base structure 305,
As for the second mounting body 361, a second insertion mounting plate 3611 is inserted and mounted in the second body module 340, so that the second body module 340 and the second outer body 362 are interlocked. fixed,
The first body module 330 is provided in a state spaced upward from the base structure 305 by the first mounting body 351,
A first bottom movable body 338 protruding downward through a connecting body 339 in a state spaced apart from the base structure 305 upward is provided,
A 1-2 first flight photographing unit 312 having a smaller volume than the 1-1 flight photographing unit 311 is provided on the first bottom movable body, and the 1-2 flight photographing unit 312 is the first -Operated to replace or assist the rotation of the 1-1 flight unit 311 when it is difficult to enter or the flight unit 311 is difficult to enter,
The second body module 340,
It is provided in a state of being spaced upward from the base structure 305 by the second mounting body 361, and protruded downward through the connector 349 in a state spaced apart from the base structure 305 upward. A second bottom movable body 348 is provided, and a 2-2 flight photographing unit 322 having a smaller volume than the 2-1 flight photographing unit 321 is provided on the second bottom movable body,
The 2-2 flight recording unit 322 is operated to replace or assist the rotation of the 2-1 flight photographing unit 321 or difficult to enter the 2-1 flight unit 321,
A first upper release and lower body 337 protruding inside and outside the upper portion of the first body module 330 is provided,
A plurality of first 1-3 flight photographing units 313 are provided on the first upper release mold 337,
A second upper emitting and protruding body 347 protruding into and out of the upper portion of the second body module 340 is provided,
A plurality of 2-3 flight shooting units 347 are provided on the second upper release mold 347,
The first side movable body 331, the second side movable body 341, the first bottom movable body 338 and the second bottom movable body 348,
For storage including storage according to the external environment or long-term non-operation of the flight recording unit and the failure of the flight photographing unit, the first main body module 330 and the second main body module 340 move backward on the inside. can be stored,
The first insertion mounting plate 3511 is axially rotated from the first mounting body 351 in the state inserted into the first main body module 330,
The second insertion and mounting plate 3611 is axially rotated from the second mounting body 361 in the state inserted into the second body module 340,
The first mounting body 351 is operated to be vertically adjustable from the first outer body 352 so that the height of the first body module 330 from the base structure 305 is adjusted,
The second mounting body 361 is operated to be adjustable in height from the second outer body 362, so that the height of the second body module 340 from the base structure 305 is adjusted,
The first insertion mounting plate 3511 and the second insertion mounting plate 3611 are,
The first and second main body modules 330 and 340 are seated on the base structure 305 by moving up and down on the first outer body 352 and the second outer body 362, respectively. Or it is adjusted again to be spaced apart,
The first support body 412 is provided to be rotatable at a predetermined angle on the first movable body 411 , and the second support body 422 is rotatable at a predetermined angle on the second movable body 421 . well-equipped,
The first support body 412 is provided to be positioned diagonally toward the first body module 330, to suppress exposure to external wind pressure, and to minimize contact with external obstacles,
The second support body 422 is provided to be diagonally positioned toward the second body module 340 to suppress exposure to external wind pressure, minimize contact with external obstacles, and diagonally positioned the first support body (412) and the second support body 422 are interconnected and fixed by a connection fixture,
The connection fixture is
The center body 511 and the first mounting bodies 512 and 513 provided on one side of the center body 511 and into which the upper end of the first support body 412 is inserted, and the center body 511 on the other side It is provided and includes a second mounting body (514,515) into which the upper end of the second support body (422) is inserted,
The first mounting body (512, 513),
It is rotated from the center body 511 to correspond to the first support body, and the second mounting body 514,515 is rotated from the center body 511 to correspond to the second support body,
The first mounting body (512, 513),
A 1-1 mounting part 513 directly interlocked with the center body 511, and a 1-2 thru which is rotatably provided from the 1-1 mounting part 513 and into which the first support body 412 is inserted Includes a mounting portion (512),
The second mounting body (514,515),
A 2-1 mounting part 515 directly linked to the center body 511, and a 2-2 rotatably provided from the 2-1 mounting part 515 and into which the second support body 422 is inserted a mounting portion 514;
The 1-2 mounting part 512 is,
When the first support body 412 is inserted and mounted in the 1-1 mounting part 513, the first support body 412 is fixed with a rotational force through rotation,
The 2-2 mounting part 514 is,
When the second support body 422 is inserted and mounted in the 2-1 mounting part 515, the second support body 422 is fixed with a rotational force through rotation,
A plurality of first state analysis windows 3311 corresponding to the first side movable body 331 are provided on the first main body module 330 to display the state of the 1-1 flight photographing unit 311 as text information, Output number information and first color information,
The first color information includes different 1-1 color information and 1-2 color information for classifying the normal or faulty state of the 1-1 photographing body 413,
A plurality of second state analysis windows 3411 corresponding to the second side movable body 341 are provided on the second main body module 340 to display the state of the 2-1 flight recording unit 321 as text information, Outputs numeric information and second color information,
The second color information includes different 2-1 color information and 2-2 color information for classifying the normal or faulty state of the 2-1 photographing body 423, the fault section of the distribution line connected to the transformer surveillance system. delete delete

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