Line protection device connected to substation transformer

Abstract

A line protection device connected to a substation transformer according to the present invention comprises: a plurality of protection ring members that can be opened and closed in a circular ring structure, installed on the outer surface of a line connected to the substation transformer in an open state and completed in a closed state to mitigate impact applied to the line; and a plurality of connecting members that connect the plurality of protection ring members according to the length of the line to be protected, and connect the plurality of protection ring members so that when the line is bent to a predetermined radius by an external force, the connected plurality of protection ring members can also be bent to correspond to the bent line through expansion and compression; thereby preventing mutual collision between lines even when the line shakes due to changes in the external environment, and preventing fatigue failure or disconnection accidents of the line in advance through physical cushioning action.

Description

Technology Field

[0001] The present invention relates to a line protection device connected to a transformer, and more specifically, to a line protection device connected to a substation transformer for protecting a line connected to a transmission line. Background Technology

[0003] Generally, the current transformed by the substation transformer is connected to the power supply lines of utility poles via the lines connected to the transformer. These power supply lines then connect the current supplied from the substation to the transformer installed on the pole, which converts the received high-voltage current into commercial current to supply commercial power to homes and densely populated urban areas.

[0004] There is a problem in that multiple lines connected to transformers to supply power lines on utility poles, which are used to supply the current transformed by substation transformers, fail to properly mitigate (disperse) external forces such as wind. If these lines collide with each other, they may be damaged or severed, cutting off the power supply and potentially causing power outages for tens of thousands of households. Prior art literature

[0005] Korean Patent Publication No. 10-2357718 (January 26, 2022) The problem to be solved

[0006] To solve the aforementioned problems, the present invention aims to provide a line protection device connected to a substation transformer, which is formed outside the line connected to the transmission line and prevents collisions between lines caused by external forces such as wind, or absorbs shock when external forces are applied to minimize damage to the line. means of solving the problem

[0008] To achieve the above-mentioned purpose, the line protection device connected to a substation transformer according to the present invention is characterized by comprising: a plurality of protection ring members that can be opened and closed in a circular ring structure, installed on the outer surface of a line connected to the substation transformer in an open state and completed installation in a closed state to mitigate impact applied to the line; and a plurality of connecting members that connect the plurality of protection ring members according to the length of the line to be protected, and connect the plurality of protection ring members so that when the line is bent to a predetermined radius by an external force, the connected plurality of protection ring members can also be bent to correspond to the bent line through expansion and compression.

[0009] To achieve the above-mentioned purpose, the protective ring member of a line protection device connected to a substation transformer according to the present invention comprises: a frame module having a ring structure; a plurality of line shock cushioning modules formed symmetrically at equal intervals on the inner surface of the frame module and contacting the line to mitigate the impact applied to the line; and a solar module composed of a solar film formed on the outer surface of the frame module and a battery received inside the hollow of the frame module to store electricity produced by the solar film; wherein the frame module comprises: a pair of half-ring frames; a hinge that combines the pair of half-ring frames to form a non-circular shape in an open state or a circular shape in a closed state; and a fixing terminal that fixes the other end of the pair of half-ring frames, one end of which is foldably connected by the hinge, so that the protective ring member can protect the line while maintaining a circular shape in a closed state.

[0010] To achieve the above-mentioned purpose, the fixed terminal of the line protection device connected to the substation transformer according to the present invention comprises: a pair of fixing bolts formed vertically and protruding from one end surface of the half-ring frame and having screw threads formed on their outer circumference; a pair of bolt holes formed so that the fixing bolts can be inserted into one end surface of another half-ring frame to be coupled and having screw threads formed on their inner circumference; a motor in which a rotating shaft is connected to one of the pair of fixing bolts to transmit rotational force; a power transmission bolt formed on each of the pair of fixing bolts; a power transmission belt connecting the pair of power transmission bolts and transmitting the rotational force of the fixing bolt connected to the motor to the fixing bolt not connected to the motor; and a switch formed on one side of the half-ring frame to allow power to be supplied from the battery to the motor according to the operation of an operator.

[0011] To achieve the above-mentioned purpose, the connecting member of a line protection device connected to a substation transformer according to the present invention comprises: a second female shock absorber having an outer surface formed of a polygonal structure and a hollow interior; a second male shock absorber partially inserted into the second female shock absorber; a second spring received in the second female shock absorber and compressed or expanded by the second male shock absorber to mitigate shocks applied to the line, and thereby causing the line protection device connected to the substation transformer to be bent in correspondence when the line is bent to a predetermined radius; a second female shock absorber mounting bolt formed at one end of the second female shock absorber and fastened to the protection ring member; a second male shock absorber mounting bolt formed at one end of the second male shock absorber and fastened to another connected protection ring member; and a second female shock absorber mounting bolt formed inside the half-ring frame of the connecting member and fastened, and a mounting bolt support member supporting the second male shock absorber mounting bolt. Effects of the invention

[0013] The line protection device connected to a substation transformer according to the present invention has the effect of preventing mutual collision between lines even when the lines sway due to external environmental changes such as wind through a plurality of protection ring members and a flexible connecting member connecting them, and preventing fatigue failure or line breakage accidents in advance through physical buffering, thereby enabling the stable supply of power to tens of thousands of households.

[0014] In addition, the line protection device connected to the substation transformer according to the present invention has the effect of effectively dispersing stress concentration caused by external forces by allowing flexible deformation corresponding to the bending of the line through the spring mechanism of the connecting member, wherein line shock absorbing modules (shock absorber and spring structure) are arranged at equal intervals on the outer surface of the line to mechanically absorb external shocks.

[0015] In addition, the line protection device connected to the substation transformer according to the present invention allows field workers to accurately wrap and fix the line while minimizing the use of tools through a hinge and a motor-driven fixed terminal, and has the effect of eliminating the risk of frame damage caused by thermal expansion in the summer through a rubber pad, etc. Brief explanation of the drawing

[0017] FIG. 1 is a drawing showing a line protection device connected to a substation transformer according to the present invention and the state in which the device is installed on a line. FIG. 2 is a drawing for explaining a protective ring member of a line protection device connected to a substation transformer according to the present invention. FIG. 3 is a drawing for explaining a line shock buffering module of a line protection device connected to a substation transformer according to the present invention. FIG. 4 is a drawing for explaining a photovoltaic module of a line protection device connected to a substation transformer according to the present invention. FIG. 5 is a drawing for explaining a connecting member of a line protection device connected to a substation transformer according to the present invention. FIG. 6 is a drawing for explaining the installation bolt support of a line protection device connected to a substation transformer according to the present invention. Specific details for implementing the invention

[0018] Terms and words used in this specification and claims should not be interpreted as being limited to their ordinary or dictionary meanings, and should be interpreted in a meaning and concept consistent with the technical spirit of the invention, based on the principle that the inventor can appropriately define the concept of the terms to best describe his invention.

[0019] Therefore, the embodiments described in this specification and the configurations illustrated in the drawings are merely one preferred embodiment of the present invention and do not represent all of the technical ideas of the present invention; thus, it should be understood that various equivalents and modifications that can replace them may exist at the time of filing this application.

[0020] Hereinafter, a line protection device connected to a substation transformer according to the present invention will be described in detail with reference to the attached drawings.

[0021] As illustrated in FIG. 1a, a line protection device connected to a substation transformer according to the present invention includes a protection ring member (100) and a connecting member (200).

[0022] A line protection device connected to a substation transformer according to the present invention has a plurality of protection ring members (100) connected by the connecting member (200) to protect the line (1) as shown in FIG. 1b.

[0023] At this time, the protective ring member (100) can be connected by the connecting member (200) in varying numbers depending on the length of the line to be protected.

[0024] More specifically, the protective ring member (100) includes a frame module (110), a track shock absorbing module (120), and a solar module (130).

[0025] The above frame module (110) includes a half-ring frame (111), a hinge (112), and a fixed terminal (113) as shown in FIG. 2.

[0026] A pair of the above half-ring frames (111) are joined by the hinge (112) and the fixing part (113) to form a circular frame.

[0027] The above half-ring frame (111) has a hollow interior, and the battery (131) of the solar module (130) is housed inside as described below.

[0028] The solar film (132) of the solar module (130) is formed on the outer surface of the above half-ring frame (111).

[0029] Unlike conventional heavy and rigid silicon solar panels, the solar film (132) is made of a flexible and lightweight material and is attached to the outer surface of the half-ring frame (111) to produce electricity without compromising the aesthetics.

[0030] The above solar film (132) stores electricity by charging the battery (131) inside the above half-ring frame (111) with the electricity produced.

[0031] The hinge (112) connects a pair of the half-ring frames (111) to each other so that the pair of half-ring frames (111) form a non-circular shape in an open state or a circular shape in a closed state.

[0032] The fixed terminal (113) fixes the other end of a pair of half-ring frames (111) that are foldably connected by the hinge (112) at one end, so that the protective ring member (100) can protect the track while maintaining a closed circular shape.

[0033] More specifically, the fixed terminal (113) includes a fixed bolt (113a), a bolt hole (113b), a motor (113c), a power transmission bolt (113d), a power transmission belt (113e), and a switch (113f).

[0034] A pair of the above fixing bolts (113a) are formed to protrude from one end surface of the half-ring frame (111) and have screw threads formed on their outer surface.

[0035] The above bolt hole (113b) is formed so that the fixing bolt (113a) can be inserted into one end surface of the other half-ring frame (111) to be joined, and a screw thread is formed on the inner surface.

[0036] The motor (113c) has a rotating shaft connected to the fixed bolt (113a) and transmits rotational force to the fixed bolt (113a).

[0037] The above fixing bolt (113) can be easily inserted into the bolt hole (113b) and fastened by receiving rotational force from the motor (113c).

[0038] The power transmission bolt (113d) is formed between the rotation shaft of the motor (113c) and the fixing bolt (113a), and as the power transmission belt (113e) is connected, it transmits rotational power to another fixing bolt (113a) located at a predetermined distance away.

[0039] The above power transmission belt (113e) is connected to the upper and lower power transmission bolts (113d) and transmits the rotational force of the upper power transmission bolt (113d), which is connected to the rotation shaft of the motor (113c), to the lower power transmission bolt (113d).

[0040] The above power transmission bolt (113d) may correspond to a chain gear or a timing gear, etc., and the above power transmission belt (113e) may correspond to a chain belt or a timing belt, etc.

[0041] The switch (113f) is formed on one side of the half-ring frame (111) so that power can be supplied from the battery (131) to the motor (113c) according to the operator's operation.

[0042] At this time, it is preferable that the switch (113f) has a mechanism such that when pressed upward from the neutral off state, the motor (113c) is rotated clockwise so that the fixing bolt (113a) can be fastened to the bolt hole (113b), and conversely, when pressed downward, the motor (113c) is rotated counterclockwise so that the fixing bolt (113a) can be separated from the bolt hole (113b).

[0043] Meanwhile, the fixed terminal (113) further includes a rubber pad (113g) interposed at the part where the half-ring frame (111) contacts, thereby minimizing the gap at the part where the half-ring frame (111) contacts.

[0044] In addition, the rubber pad (113g) interposed at the part where the half-ring frame (111) meets prevents the half-ring frame (111) from expanding and breaking due to high temperatures during the summer when the half-ring frame (111) is made of metal.

[0045] The above-mentioned line shock cushioning module (120) is formed symmetrically at equal intervals on the inner side of the half-ring frame (111) of the frame module (110), and one end contacts the line connected to the substation transformer to mitigate the shock applied to the line.

[0046] More specifically, In Fig. 3a As described above, the track shock absorber module (120) includes a first female shock absorber (121), a first male shock absorber (122), a first spring (123), a first female shock absorber mounting bolt (124), and a pressure pad (125).

[0047] The first female shock absorber (121) has an outer surface that is formed into a polygonal structure such as a square, pentagon, or hexagon, and has a hollow cylindrical structure inside, with one end closed and the other end open.

[0048] The outer surface of the first female shock absorber (121) is formed with a polygonal structure so that the track shock absorber module (120) can be easily attached to and detached from the half-ring frame (111) using a tool such as a spanner.

[0049] The first male shock absorber (122) has a cylindrical structure identical to the interior of the first female shock absorber (121) and is inserted into the interior of the first female shock absorber (121).

[0050] At this time, it is preferable that the first male shock absorber (122) has a stopper (protrusion) formed so as not to be separated from the first female shock absorber (121).

[0051] The first spring (123) is received in the first female shock absorber (121) and is compressed or expanded by the first male shock absorber (122) to substantially mitigate the shock applied to the track.

[0052] The first female shock absorber installation bolt (124) is formed on one closed side of the first female shock absorber (121) and is installed by screw connection in the installation hole (126) formed inside the half-ring frame (111).

[0053] The above pressure pad (125) is formed in a rounded shape at the end of the first male shock absorber (122) in a structure corresponding to the track cable to prevent damage to the track surface due to impact.

[0054] That is, the above pressure pad (125) As shown in FIG. 3b As such, when a pair of the above half-ring frames (111) are combined to wrap the track with a circular ring, they come into contact with the surface of the track so that the surface of the track is not damaged.

[0055] As mentioned, the solar module (130) accommodates a battery (131) as shown in FIG. 4a.

[0056] At this time, it is preferable that the battery (131) be charged with the power required for the initial installation of the protective ring member (100).

[0057] And, as shown in FIG. 4b, a solar film (132) is formed on the outer surface of the above half-ring frame (111).

[0058] The electricity generated from the solar film (132) is charged and stored in the battery (131), and supplied to the motor (113c) according to the operation of the switch (113f) to operate the fixed terminal (113).

[0059] The above solar module (130) may further include a plurality of LED elements (133) formed between the solar films (132) to prevent collisions of the aircraft at night by receiving power from the battery (131) and emitting light.

[0060] At this time, the LED element (133) is formed concavely inward from the surface of the solar film (132), and a plurality of them may be combined to display a symbol or character to indicate that it is a line connected to a substation transformer.

[0061] The above connecting member (200) is Multiple protective ring members (100) are interposed at equal intervals between the protective ring members (100) to connect the protective ring members (100) according to the length of the line connected to the substation transformer.

[0062] The above Connecting member (200) As shown in FIG. 5, it includes a second female shock absorber (210), a second male shock absorber (220), a second spring (230), a second female shock absorber mounting bolt (240), and a second male shock absorber mounting bolt (250).

[0063] The second female shock absorber (210) is formed with a polygonal structure such as a square, pentagon, or hexagon on its outer surface, just like the first female shock absorber (121), and has a hollow cylindrical structure on its inside, with one end closed and the other end open.

[0064] The second male shock absorber (220) has a cylindrical structure identical to the interior of the second female shock absorber (210) and is inserted into the interior of the second female shock absorber (210).

[0065] At this time, it is preferable that a part of the second male shock absorber (220) be made of a polygonal structure so that it can be installed by a spanner or the like.

[0066] At this time, it is preferable that the second male shock absorber (220) has a stopper (protrusion) formed thereon so that it can rotate with the second female shock absorber (210) but cannot be separated.

[0067] That is, the second male shock absorber (220) is formed with a cylindrical structure in part and a polygonal structure in the remaining part, so that both a cylindrical structure and a polygonal structure are formed.

[0068] The second spring (230) is received in the second female shock absorber (210) and is compressed or expanded by the second male shock absorber (220).

[0069] The second spring (230) may mitigate the impact applied to the track, but when the track is bent to a predetermined radius by an external force such as wind, the track protection device connected to the substation transformer according to the present invention can also be bent in a corresponding manner through expansion and compression.

[0070] The second female shock absorber installation bolt (240) is formed at one end of the second female shock absorber (210) and is fastened to the protective ring member (100).

[0071] The second male shock absorber installation bolt (250) is formed at one end of the second male shock absorber (220) and is fastened to another protective ring member (100) connected thereto, so that the connecting member (200) connects the two protective ring members (100).

[0072] The above connecting member (200) is supported by an installation bolt support (260) formed on the protective ring member (100).

[0073] That is, the above-mentioned installation bolt support (260) supports the second female shock absorber installation bolt (240) and the second male shock absorber installation bolt (250) which are formed and fastened inside the half-ring frame (111) of the above-mentioned connecting member (200), and consequently supports the connecting member (200).

[0074] More specifically, the above-described installation bolt support (260) includes a bolt fastening groove (261) and a support shock absorber (262) that supports the bolt fastening groove (261) horizontally from all sides.

[0075] The above support shock absorber (262) includes a female support shock absorber (262a), a male support shock absorber (262b), and a support spring (262c).

[0076] The above female support shock absorber (262a) is cylindrical, hollow inside, and includes both the male support shock absorber (262b) and the support spring (262c) into which it is inserted.

[0077] One end of the male support shock absorber (262b) is inserted into the female support shock absorber (262a), and the other end is coupled to the bolt fastening groove (261).

[0078] The support spring (262c) is received before the male support shock absorber (262b) is inserted into the female support shock absorber (262a), and is subsequently compressed or expanded by the movement of the male support shock absorber (262b) that is inserted.

[0079] The above-described installation bolt support (260) supports a connecting member (200) that is fastened in a vertical direction, including the configuration described above, and mitigates the impact applied to the connecting member (200) in a horizontal direction.

[0080] Although the technical concept of the present invention has been described above together with the accompanying drawings, this is merely an illustrative explanation of preferred embodiments of the present invention and is not intended to limit the invention. Furthermore, it is evident that anyone with ordinary knowledge in the technical field to which the present invention pertains can make various modifications and imitations within the scope of the technical concept of the present invention without departing from its scope. Explanation of the symbols

[0086] 1 : Track 100 : Protective ring member 110 : Frame Module 111 : Half-ring frame 112 : Hinge 113 : Fixed terminal 113a : Fixing bolt 113b : Bolt hole 113c : Motor 113d : Power transmission bolt 113e: Power transmission belt 113f : Switch 113g : Rubber pad 120 : Track shock absorbing module 121 : 1st arm type shock absorber 122 : 1st male shock absorber 123 : First spring 124 : 1st female shock absorber mounting bolt 125 : Pressure pad 126 : Installation hole 130 : Solar module 131 : Battery 132 : Solar Film 133 : LED element 200 : Connecting member 210 : Second arm type shock absorber 220 : 2nd male shock absorber 230 : 2nd spring 240 : Second arm type shock absorber mounting bolt 250 : 2nd male shock absorber mounting bolt 260 : Installation bolt support 261: Bolt fastening groove 262 : Support shock absorber 262a : Female support shock absorber 262b : Male support shock absorber 262c : Support spring

Claims

Claim 1 A plurality of protective ring members capable of opening and closing in a circular ring structure, installed on the outer surface of a line connected to a substation transformer in an open state and completed in a closed state to mitigate impact applied to the line; and a plurality of connecting members that connect the plurality of protective ring members according to the length of the line to be protected, and connect the plurality of protective ring members so that when the line is bent to a predetermined radius by an external force, the connected plurality of protective ring members can also be bent to correspond to the bent line through expansion and compression; wherein the protective ring members include a frame module having a ring structure; and a plurality of line shock cushioning modules formed symmetrically at equal intervals on the inner surface of the frame module and contacting the line to mitigate impact applied to the line. A solar module comprising a solar film formed on the outer surface of the frame module and a battery received in the hollow interior of the frame module to store electricity produced by the solar film; wherein the frame module comprises a pair of half-ring frames; and a hinge that connects the pair of half-ring frames to each other to form a non-circular shape in an open state or a circular shape in a closed state. and a fixing terminal that fixes the other end of a pair of half-ring frames, one end of which is foldably connected by the hinge, so that the protective ring member can protect the track while maintaining a closed circular shape; wherein the fixing terminal comprises: a pair of fixing bolts formed vertically and protruding from the end surface of the half-ring frame and having screw threads formed on their outer circumference; a pair of bolt holes formed so that the fixing bolts can be inserted into the end surface of the other half-ring frame to be connected and having screw threads formed on their inner circumference; a motor whose rotational axis is connected to one of the pair of fixing bolts to transmit rotational force; a power transmission bolt formed on each of the pair of fixing bolts; and a power transmission belt that connects the pair of power transmission bolts and transmits the rotational force of the fixing bolt connected to the motor to the fixing bolt not connected to the motor.A line protection device connected to a substation transformer, characterized by including: a switch formed on one side of the half-ring frame to allow power to be supplied from the battery to the motor according to the operation of an operator. Claim 2 delete Claim 3 delete Claim 4 A line protection device connected to a substation transformer according to claim 1, wherein the connecting member comprises: a second female shock absorber having an outer surface formed of a polygonal structure and a hollow interior; a second male shock absorber partially inserted into the second female shock absorber; a second spring received in the second female shock absorber and compressed or expanded by the second male shock absorber to mitigate shocks applied to the line, and thereby causing the line protection device connected to the substation transformer to be bent in correspondence when the line is bent to a predetermined radius; a second female shock absorber mounting bolt formed at one end of the second female shock absorber and fastened to the protective ring member; a second male shock absorber mounting bolt formed at one end of the second male shock absorber and fastened to another connected protective ring member; and a second female shock absorber mounting bolt formed inside the half-ring frame of the connecting member and fastened, and a mounting bolt support member supporting the second male shock absorber mounting bolt.

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