KR102016660B1 - Monitoring device for underground power distribution line - Google Patents

Abstract

The present invention relates to a monitoring device for an underground distribution line, for checking an installation state of a support unit and a wiring state of a distribution line in an underground structure. To this end, the monitoring device for an underground distribution line comprises: the support unit including a vertical support which is formed to be long in the vertical direction within the underground structure and a horizontal support which is coupled to the vertical support in the horizontal direction to support the distribution line; a lower support unit movably supporting a lower end of the vertical support while being fixed to the bottom of the underground structure; an upper support unit movably supporting an upper end of the vertical support while being fixed to a ceiling of the underground structure; and three or more flow sensors radially spaced in the upper support unit with respect to the vertical support and detecting a load or pressure applied in response to the flow of the support unit. Then, the installation state of the support unit and the wiring state of the distribution line are monitored through the amount of deformation detected by at least one of the three or more flow sensors.

Description

Monitoring device of underground distribution line {MONITORING DEVICE FOR UNDERGROUND POWER DISTRIBUTION LINE}

The present invention relates to a monitoring apparatus for underground distribution lines, and more particularly to a monitoring apparatus for underground distribution lines for checking the installation state of the support unit and the wiring state of the distribution line in the underground structure.

In general, a distribution line is a facility that distributes power supplied from a distribution line, which is a power facility for supplying electric power generated at a power plant to subregions through a substation, to supply a general home.

Therefore, accidents due to breakdown of distribution lines and natural disasters are directly involved in power supply interruption for a long time and have a significant social impact.

The distribution line is generally operated at a voltage of 22 kV and a current of 1,000 A, and is divided into a low voltage distribution line, a high voltage distribution line, and a special high voltage distribution line, and the technology described below includes both low voltage, high voltage, and special high voltage. It may be written selectively to help explain and understand.

In recent years, in order to monitor the operation state of the distribution line as described above, the wiring state of the distribution line has to be checked.

Republic of Korea Patent Publication No. 10-1601900 (Name of the invention: Apparatus to which the remote monitoring method for the distribution line is applied, 2016. 03. 09. notification)

SUMMARY OF THE INVENTION An object of the present invention is to provide a monitoring apparatus for underground distribution lines for checking the installation state of the support unit and the wiring state of the distribution line in the underground structure.

According to a preferred embodiment for achieving the above object of the present invention, the monitoring device of the underground power distribution line is a vertical band that is formed long in the height direction in the underground structure, coupled to the vertical band in a horizontal direction to support the distribution line A support unit including a horizontal bar that is; A lower support unit supporting the lower end of the vertical stand in a fixed state at the bottom of the underground structure; An upper support unit supporting the upper end of the vertical stand in a fixed state on the ceiling of the underground structure; And at least three flow sensing sensors radially spaced apart from the upper support unit on the basis of the vertical stand, and detecting a load or pressure applied in response to the flow of the support unit. The installation state of the support unit and the wiring state of the distribution line are monitored through the deformation amount detected by at least one of the flow detection sensors.

Here, the lower support unit is fixed to the bottom of the underground structure, the cylinder seating groove is formed recessed, the upper fixed box; A lower cylinder inserted into the cylinder seating groove of the fixed box so as to be movable horizontally; Three or more radially spaced apart from the cylinder seating groove with respect to the lower cylinder, and a horizontal elastic member for elastically pressing the lower cylinder based on the fixed box; A lower piston protruding from the lower end of the vertical stand and fitted to the lower cylinder to be movable up and down; And a lower elastic member configured to elastically press the lower piston based on the lower cylinder.

Here, the lower support unit is rotatably coupled to the lower end of the vertical stand, the ball-shaped cylinder ball movable from the bottom of the cylinder seating groove; further comprises a.

Here, the upper support unit, the upper cylinder is fixed to the ceiling of the underground structure; An upper piston coupled to the upper cylinder to be lifted and movable; An upper elastic member for elastically pressing the upper piston based on the upper cylinder; Hemispherical flow base member provided on the lower end of the upper piston; A flow cap member including a flow cover surrounding the flow base member to slide along a spherical surface of the flow base member, and a support guide cap integrally formed with the flow cover to allow the vertical stand to flow; And a spherical cap support ball rotatably coupled to an upper end of the vertical stand and movable in the support guide cap, wherein the flow sensor is provided between the flow base member and the support guide cap. .

Monitoring device for underground distribution line according to the present invention includes a data transmission unit for transmitting the deformation amount detected by the flow sensor through a wired or wireless; And a monitoring server configured to monitor the deformation state of the deformation amount by receiving the deformation amount transmitted from the data transmission unit.

Here, the monitoring server, a deformation receiver for receiving the deformation amount transmitted from the data transmission unit; A deformation calculation unit for calculating a deformation state of the deformation amount according to the flow of the support unit in response to the flow detection sensor; And a monitoring unit for inferring the installation state of the support unit and the wiring state of the power distribution line according to the deformation state of the deformation amount calculated by the deformation calculation unit.

According to the monitoring apparatus of the underground distribution line according to the present invention, it is possible to check the installation state of the support unit and the wiring state of the distribution line in the underground structure.

In addition, the present invention can stably comply with the lifting and lowering movement of the support unit, the horizontal movement of the support unit, the inclination of the support unit through the lower support unit while absorbing the flow of the support unit can prevent damage to the support unit. .

In addition, the present invention can stably comply with the lifting movement of the support unit, the horizontal movement of the support unit, the inclination of the support unit through the upper support unit while absorbing the flow of the support unit to prevent damage to the support unit The support unit can be prevented from being separated from the upper support unit.

In addition, the present invention detects the lifting movement state of the support unit, the horizontal movement state of the support unit, the inclination of the support unit through the flow sensor, and monitor the flow limit of the support unit to stably design the support unit and distribution line Can be.

In addition, the present invention can check the lifting movement state of the support unit, the horizontal movement state of the support unit, the inclination of the support unit through the data transmission unit and the monitoring server, and can track the installation state of the support unit and the wiring state of the distribution line have.

1 is a longitudinal sectional view showing a monitoring apparatus of an underground distribution line according to an embodiment of the present invention.
2 is a plan sectional view showing the arrangement of the lower cylinder in the monitoring apparatus of the underground distribution line according to an embodiment of the present invention.
3 is a view showing an installation state of the flow sensor in the monitoring apparatus of the underground distribution line according to an embodiment of the present invention.
4 is a block diagram illustrating a connection relationship between a flow sensor and a data transmission unit and a monitoring server in a monitoring apparatus of an underground distribution line according to an embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of the monitoring apparatus of the underground distribution line according to the present invention. At this time, the present invention is not limited or limited by the embodiment. In addition, in describing the present invention, a detailed description of known functions or configurations may be omitted to clarify the gist of the present invention.

1 to 4, the monitoring device for underground distribution line according to an embodiment of the present invention is a support unit 10, the lower support unit 20, the upper support unit 30, the flow sensor 40 may include.

The support unit 10 supports the distribution line 200 in the underground structure 100.

The support unit 10 is a vertical stand 11 is formed long in the height direction in the underground structure 100, the horizontal stand 12 is coupled to the vertical stand 11 in the horizontal direction to support the distribution line 200 It may include. Here, the horizontal stage 12 may be symmetrical with respect to the vertical stage 11, and may form one stage or two or more stages in the height direction according to the wiring state of the distribution line 200.

The lower support unit 20 is fixed to the bottom of the underground structure 100. The lower support unit 20 supports the lower end of the riser 11 to be movable.

The lower support unit 20 includes a fixed box 21, a lower cylinder 22, a horizontal elastic member 23, a lower piston 26, and a lower elastic member 27, and a cylinder ball 24. It may further include, and may further include a box cover (25).

The fixed box 21 is fixed to the bottom of the underground structure (100). The fixed box 21 is made of a hollow housing having an upper portion. In an embodiment of the present invention, the fixing box 21 is illustrated as representing a hexahedron shape, but is not limited thereto. The fixing box 21 may be represented by a hollow cylindrical shape having an upper opening, a hollow polygonal cylindrical shape having an upper opening, and the like. have.

The fixed box 21 may have a recessed cylinder seating groove 211 into which the lower cylinder 22 is inserted to flow in the horizontal direction.

In the fixed box 21, the side of the cylinder seating groove 211 may be recessed or protruded from the box support part 212 in which one end of the horizontal elastic member 23 is supported.

The lower cylinder 22 is inserted into the cylinder seating groove 211 of the fixed box 21 so as to be movable horizontally.

The side of the lower cylinder 22 may be recessed or protruded, the cylinder support portion 221, the other end of the horizontal elastic member 23 is supported.

A cylinder limiting protrusion 222 may protrude from the lower end portion of the lower cylinder 22 toward the side of the cylinder seating groove 211. The cylinder limiting protrusion 222 limits the horizontal movement of the lower cylinder 22 in response to the contraction limit of the horizontal elastic member 23, and prevents the horizontal elastic member 23 from sagging in the cylinder seating groove 211. Can be.

Three or more horizontal elastic members 23 are radially spaced apart from the cylinder seating groove 211 based on the lower cylinder 22. One end of the horizontal elastic member 23 is supported by the box support 212, and the other end of the horizontal elastic member 23 is supported by the cylinder support 221. The horizontal elastic member 23 elastically presses the lower cylinder 22 on the basis of the fixed box 21 corresponding to the horizontal direction. Then, the horizontal elastic member 23 moves the fixed box 21 so that the lower cylinder 22 is positioned in the fixed box 21 against the horizontal flow of the lower cylinder 22 and the inclination of the lower cylinder 22. As a reference, the lower cylinder 22 can be stably elastically pressed.

The cylinder ball 24 is rotatably coupled to the lower end of the vertical stand (11). The cylinder ball 24 has a spherical shape. A part of the cylinder ball 24 protrudes from the lower end of the vertical stand 11 and is supported on the bottom of the cylinder seating groove 211 so as to be able to move in a cloud. Cylinder ball 24 is provided to smooth the horizontal movement of the lower cylinder 22 and the inclination of the lower cylinder 22 in the cylinder seating groove 211, between the fixed box 21 and the lower cylinder 22 By minimizing the friction it is possible to prevent the damage of the fixing box 21 and the lower cylinder (22).

The box cover 25 closes the upper part of the fixed box 21 so that the lower cylinder 22 passes.

In addition to the lower cylinder 22 passing through the box cover 25, the cylinder flow hole 251 is formed to penetrate the lower cylinder 22 to correspond to the elastic limit of the horizontal elastic member 23.

The lower piston 26 protrudes from the lower end of the vertical stand 11. The lower piston 26 is fitted to the lower cylinder 22 to be movable up and down.

The lower elastic member 27 elastically presses the lower piston 26 based on the lower cylinder 22 in correspondence with the height direction. The lower elastic member 27 may elastically support an end portion of the lower piston 26 in a state in which the lower elastic member 27 is embedded in the lower cylinder 22.

The upper support unit 30 is fixed to the ceiling of the underground structure (100). The upper support unit 30 supports the upper end of the vertical stand 11 to be movable.

The upper support unit 30 includes an upper cylinder 31, an upper piston 32, an upper elastic member 33, a flow base member 34, a flow cap member 35, and a cap support ball 36. ) May be included.

The upper cylinder 31 is fixed to the ceiling of the underground structure (100).

The upper piston 32 is fitted to the upper cylinder 31 to be moved up and down.

The upper elastic member 33 elastically presses the upper piston 32 based on the upper cylinder 31 corresponding to the height direction. The upper elastic member 33 may elastically support an end portion of the upper piston 32 in a state of being embedded in the upper cylinder 31.

The flow base member 34 is provided at the lower end of the upper piston 32. The flow base member 34 has a hemispherical shape, and the bottom surface of the flow base member 34 is formed substantially parallel to the horizontal direction so that the flow sensor 40 is stably supported.

Although not shown, a first sensor support (not shown) for supporting the flow sensor 40 may be provided on the bottom surface of the flow base member 34.

The flow cap member 35 is supported by the upper end of the riser 11 in a state in which the flow base member 34 is wrapped.

The flow cap member 35 may include a flow cover 351 and a support guide cap 354.

The flow cover 351 surrounds the flow base member 34 to be slidably moved along the spherical surface of the flow base member 34.

A member seating groove 352 is recessed in the flow cover 351 such that the hemispherical flow base member 34 is slidably supported. The member seating groove 352 has a semicircular cross section corresponding to the hemispherical flow base member.

In addition to the upper piston 32 passing through the flow cover 351, the piston flow hole 353 is formed to penetrate the upper piston 32.

The support guide cap 354 is formed integrally with the flow cover 351 so that the upper end of the vertical support can flow. The upper surface of the support guide cap 354 is formed substantially parallel to the lower surface of the flow base member 34 to be substantially parallel to the horizontal direction so that the flow sensor 40 is stably supported.

The support guide cap 354 is formed with a recessed cap ball support groove 355 is supported so that the upper end of the vertical support (11). The cap ball support groove 355 has a semicircular cross section so as to prevent the upper end of the vertical stand 11 from being separated when the upper end of the vertical stand 11 flows.

Although not shown, a second sensor support (not shown) for supporting the flow sensor 40 may be provided on the upper surface of the support guide cap 354.

Cap support ball 36 is rotatably coupled to the top of the vertical stand (11). The cap support ball 36 has a spherical shape. A part of the cap support ball 36 is protruded from the upper end of the vertical support (11) is supported by the cap ball support groove 355 of the support guide cap 354 to be able to move in a cloud. As the cap support ball 36 is provided, the horizontal movement of the vertical stand 11 and the inclination of the vertical stand 11 in the cap ball support groove 355 are smooth, and the flow cap member 35 and the vertical stand 11 are provided. By minimizing the friction between the flow cap member 35 and the riser 11 to prevent damage, the riser 11 from the flow cap member 35 can be prevented from being separated.

Three or more flow detection sensors 40 are radially spaced apart from the upper support unit 30 based on the vertical stand 11. The flow sensor 40 detects a load or pressure applied in response to the flow of the support unit 10.

Flow sensor 40 is provided between the flow base member 34 and the support guide cap 354.

Then, the installation state of the support unit 10 and the wiring state of the distribution line 200 may be monitored through the amount of deformation detected by at least one of the three or more flow detection sensors 40.

More specifically, the monitoring apparatus of the underground distribution line according to an embodiment of the present invention may further include a data transmission unit 50, and the monitoring server (60).

The data transmission unit 50 transmits the deformation amount detected by the flow sensor 40 through a wired or wireless.

The data transmission unit 50 includes a deformation transmitter 52 for transmitting the deformation amount detected by the flow sensor 40 through a wire or wirelessly, and the deformation amount detected by the flow detection sensor 40 is stored in chronological order. The deformation storage unit 51 may be further included. The deformation storage unit 51 outputs data in a first-in first-out manner.

The monitoring server 60 receives the deformation amount transmitted from the data transmission unit 50 and monitors the deformation state of the deformation amount.

The monitoring server 60 may include a strain receiving unit 61, a strain calculating unit 62, and a monitoring unit 64.

The deformation receiver 61 receives the deformation amount transmitted from the data transmission unit 50 via wire or wirelessly.

The deformation calculation unit 62 calculates a deformation state of the received deformation amount in correspondence with each flow sensor 40.

The monitoring unit 64 infers the installation state of the support unit 10 and the wiring state of the distribution line 200 according to the deformation state of the deformation amount calculated by the deformation calculation unit 62.

The monitoring server 60 may further include a deformation comparison unit 63.

The deformation comparison unit 63 compares the deformation state of the deformation amount calculated by the deformation calculation unit 62 with the preset deformation state.

At this time, the monitoring unit 64, if the deformation state of the deformation amount calculated by the deformation calculation unit 62 is equal to or larger than the preset deformation state, the installation state of the support unit 10 and the wiring state of the distribution line 200 Inferring non-normal causes a danger signal.

The monitoring server 60 may further include a monitoring storage unit (not shown).

The monitoring storage unit (not shown) stores data received by the deformation receiver 61, data calculated by the deformation calculation unit 62, and data inferred by the monitoring unit 64. The amount of deformation detected by the flow sensor 40 in the data stored in the monitoring storage unit (not shown) is detected by the installation position of the support unit 10, by the flow sensor 40 installed in the support unit 10, Match and save by time.

Referring to the operation of the monitoring apparatus of the underground distribution line according to an embodiment of the present invention, before the distribution line 200 is wired, the vertical stand 11, the lower cylinder 22, the lower piston 26 and the cylinder The support unit unit 10 and the lower support unit 20 in the underground structure 100 so that the ball 24, the upper cylinder 31, the upper piston 32, and the cap support ball 36 are coaxial. And, the upper support unit 30 and the flow sensor 40 is installed, it is possible to check the initial installation state of the support unit 10 through the first deformation amount detected by the flow sensor 40.

Here, the vertical stand 11, the lower cylinder 22, the lower piston 26, the cylinder ball 24, the upper cylinder 31, the upper piston 32, the cap support ball 36 Is coaxial in the initial installation state of the support unit 10 before the distribution line 200 is wired, so that the same amount of deformation is sensed by the three or more flow sensor 40, thereby initializing the support unit 10. Stabilize the installation.

And the distribution line 200 is installed on the horizontal stage (12). The distribution line 200 is supported by the distribution line 200 in a direction perpendicular to the wiring direction of the distribution line 200 and perpendicular to the longitudinal direction of the vertical line 11 such that the distribution line 200 is symmetrical with respect to the vertical stand 11. Eccentric loads can be prevented from occurring in the unit 10.

In addition, when the distribution line 200 is wired to the support unit 10, by applying an eccentric load generated in the wiring direction of the distribution line 200 to the initial installation state of the support unit 10, the flow sensor ( An initial wiring state of the distribution line 200 may be checked by the second deformation amount detected by the 40.

At this time, when the error range between the second deformation amount and the first deformation amount is equal to or larger than the predetermined deformation state, the deviation of the flow rate of the support unit 10 is exceeded, and thus, the error range between the second deformation amount and the first deformation amount is already set. It is advantageous to adjust the initial wiring state of the distribution line 200 to be smaller than the set deformation state.

In addition, when an external force is applied to the underground structure 100, the degree of freedom is given to the support unit 10 on the basis of the underground structure 100, and the flow sensor 40 loads or pressures according to the flow of the support unit 10. Will be detected.

When the support unit 10 flows according to the flow of the support unit 10, the position of the cap support ball 36 and the inclination of the support unit 10 in the cap ball support groove 355 of the flow cap member 35. In response to the three or more flow sensor 40 may detect different loads or pressures.

The deformation amount of the flow sensor 40 is transmitted to the monitoring server 60 to monitor the deformation amount detected by the flow sensor 40.

In particular, the monitoring server 60 calculates the deformation state of the deformation amount detected by the flow sensor 40 in time series, and the installation state of the support unit 10 and the support unit 10 based on the calculated deformation state. ), The wiring state of the distribution line 200 can be inferred.

In addition, the monitoring server 60 compares the calculated deformation state with the preset deformation state, if the calculated deformation state is equal to or greater than the preset deformation state, the installation state of the support unit 10 and the support unit 10 ) Determines that the wiring state of the distribution line 200 is not normal, and may generate a danger signal corresponding to the installation position of the support unit 10.

According to the monitoring apparatus of the underground distribution line described above, it is possible to check the installation state of the support unit 10 and the wiring state of the distribution line 200 in the underground structure 100.

In addition, the lower support unit 20 stably conforms to the lifting movement of the support unit 10, the horizontal movement of the support unit 10, the inclination of the support unit 10, while the flow of the support unit 10 By absorbing it can prevent damage to the support unit (10).

In addition, through the upper support unit 30 to stably comply with the lifting movement of the support unit 10, the horizontal movement of the support unit 10, the inclination of the support unit 10 while the flow of the support unit 10 Absorption may prevent breakage of the support unit 10, and may prevent the support unit 10 from being separated from the upper support unit 30.

In addition, through the flow sensor 40 to detect the lifting movement state of the support unit 10, the horizontal movement state of the support unit 10, the inclination of the support unit 10, and detects the flow limit of the support unit 10 By monitoring, the support unit 10 and the distribution line 200 can be stably designed.

In addition, the lifting and moving state of the support unit 10, the horizontal movement state of the support unit 10, the inclination of the support unit 10 through the data transmission unit 50 and the monitoring server 60, the support unit ( The installation state of 10) and the wiring state of the distribution line 200 can be inferred.

Although the preferred embodiments of the present invention have been described with reference to the drawings as described above, those skilled in the art can variously change the present invention without departing from the spirit and scope of the present invention as set forth in the claims below. Can be modified or changed.

10: support unit 11: vertical stand 12: horizontal stand
20: lower support unit 21: fixed box 211: cylinder seating groove
212: box support 22: lower cylinder 221: cylinder support
222: cylinder limiting protrusion 23: horizontal elastic member 24: cylinder ball
25: box cover 251: cylinder flow groove 26: lower piston
27: lower elastic member 30: upper support unit 31: upper cylinder
32: upper piston 33: upper elastic member 34: flow base member
35: flow cap member 351: flow cover 352: member seating groove
353: piston flow hole 354: support guide cap 355: cam ball support groove
36: cap support ball 40: flow sensor 50: data transmission unit
51: transform storage unit 52: transform transmission unit 60: monitoring server
61: strain receiving unit 62: strain calculating unit 63: strain comparing unit
64: monitoring unit 100: underground structure 200: distribution line

Claims (4)

A support unit including a vertical stand formed in a height direction in the underground structure and a horizontal stand coupled to the vertical stand in a horizontal direction to support a distribution line;
A lower support unit supporting the lower end of the vertical stand in a fixed state at the bottom of the underground structure;
An upper support unit supporting the upper end of the vertical stand in a fixed state on the ceiling of the underground structure; And
Three or more relative to the vertical stand is disposed radially spaced apart from the upper support unit, a flow sensor for sensing the load or pressure applied in response to the flow of the support unit;
Monitoring the installation state of the support unit and the wiring state of the distribution line through the deformation amount detected by at least one of the three or more flow detection sensors;
The upper support unit,
An upper cylinder fixed to the ceiling of the underground structure;
An upper piston coupled to the upper cylinder to be lifted and movable;
An upper elastic member for elastically pressing the upper piston based on the upper cylinder;
Hemispherical flow base member provided on the lower end of the upper piston;
A flow cap member including a flow cover surrounding the flow base member to slide along the spherical surface of the flow base member, and a support guide cap integrally formed with the flow cover to allow the vertical stand to flow; And
Includes; rotatably coupled to the upper end of the vertical stand, the cap support ball of the spherical shape that can be moved from the support guide cap;
The flow sensor is,
Monitoring device for underground power distribution line, characterized in that provided between the flow base member and the support guide cap.
The method of claim 1,
The lower support unit,
A fixed box fixed to the bottom of the underground structure and formed with a cylinder seating recess;
A lower cylinder inserted into the cylinder seating groove so as to be horizontally movable;
A horizontal elastic member disposed spaced apart from the cylinder seating groove to elastically press the lower cylinder based on the fixed box;
A lower piston protruding from the lower end of the vertical stand and fitted to the lower cylinder to move upward and downward; And
And a lower elastic member for elastically pressing the lower piston relative to the lower cylinder in a height direction.
The method according to claim 1 or 2,
A data transmission unit for transmitting a deformation amount detected by the flow sensor through a wire or wirelessly; And
And a monitoring server that receives the deformation amount transmitted from the data transmission unit and monitors the deformation state of the deformation amount.
The method of claim 3,
The monitoring server,
A deformation receiver for receiving the deformation amount transmitted from the data transmission unit;
A deformation calculation unit for calculating a deformation state of the deformation amount according to the flow of the support unit in response to the flow detection sensor; And
And a monitoring unit for inferring the installation state of the support unit and the wiring state of the distribution line according to the deformation state of the deformation amount calculated by the deformation calculation unit.

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