KR102041464B1 - Prevention apparatus for drooping of power cable - Google Patents

Abstract

The present invention relates to a substation connecting line fixing apparatus which prevents a substation connecting line applying high voltage from sagging and maintains and fixes the substation connecting line tight to enhance reliability of voltage provided from a substation, including: an enclosure which is formed in an empty enclosure shape and has a substation connecting line inserted thereinto; a detection sensor which is provided on a lower end of the enclosure and detects sagging of the substation connecting line; a tension maintenance member which is installed to be able to move in the enclosure and provided to maintain tension of the substation connecting line by a control signal when sagging of the substation connection line is generated by the detection sensor; and a control panel which controls the detection sensor and the tension maintenance member. The tension maintenance member includes: a clamp which is installed in the enclosure to surround the outer surface of the substation connecting line and provided to be guided into the enclosure to be able to move; a spur gear which is installed outside the enclosure to be coupled with the clamp and has a screw thread formed at a lower surface; a first gear which is rotationally installed outside the enclosure and toothed with the lower surface of the spur gear; a second gear which is toothed with the first gear; and a rotation motor which is coupled with the second gear and rotates the second gear by a control signal of the control panel to rotate the first gear, wherein the rotation motor is determined to operate according to detection information of the detection sensor transmitted to the control panel.

Description

Substation connection line fixing device {Prevention apparatus for drooping of power cable}

The present invention relates to a substation connection line fixing device in the field of substation technology, and more particularly, to prevent the deflection of the substation connection line applying high pressure in order to improve the reliability of the voltage provided by the substation, and to maintain and tighten it The present invention relates to a connecting line fixing device.

In general, electric power is transferred from a power plant to a substation, and after several stages of transformation, the line drawn from the substation is generally transferred to the final customer through a column transformer near the customer along the corresponding line installed in a steel tower or concrete pole.

Each high-voltage cable drawn from the substation is wired to have a tight tension on the upper support (complete) which is laid on the top of the steel tower or pole, and is lined up with a jumper wire through a line post insulator (Line post: pin insulator) fixed to the upper support. It is connected downward.

The high-voltage cable connected in this way is stretched in the hot summer season according to the temperature, and the three-phase or four-phase high voltage cables are in contact with each other by the wind, and the outer shell is peeled off by friction, which causes a risk of power failure.

In order to solve such a conventional problem, Korean Utility Model Registration No. 20-0448709 (notice date: 2010.05.11.) Is disclosed as a prior art, and briefly look at the configuration of the prior art, as shown in FIG. The front and bottom of the vertical stand of the center extends to the front and rear sides at regular intervals, respectively, and the upper and lower horizontal stages having front and rear length holes are formed on the inside, respectively, and the front and rear sides at the left and right ends of the upper and lower horizontal bands are in contact with the front and rear long holes. The upper and lower guide holes are formed as recesses, and horizontal grooves are formed inwards at the centers of the vertical and horizontal sides, and upper and lower fastening bars having vertically bent upper ends and fastening holes at the centers are respectively formed at the front and rear ends of the upper horizontal bands. And a lower fastening bar having vertically bent downwards and a bolt hole at a central side is formed at front and rear ends of the lower horizontal bands. A pair of left and right tension support and is positioned left and right side is an interview to be in close contact with each other and; The pair of interviewed left and right tension support is a circular ring body respectively located in the front and rear upper and lower guide holes, divided into the front and rear sides, each having a vertical protrusion projected vertically from the upper and lower ends, and a plurality of insulating elastic protrusions on the inner circumference The front and rear rings protrude from the front and rear outer periphery, respectively, to form a high-pressure cable fixing ring that surrounds each of the high-voltage cables to be fixed, respectively. Ball bearings are protruded at the periphery, respectively, and the front and rear side high-voltage cable moving holes are respectively formed on the front and rear upper and lower guide holes, respectively, and the upper and lower movement binding holes are slid to move forward and backward. The upper and lower binding bars having upper and lower binding bars, each having vertical bending at the upper and lower ends in the semicircular shape and facing the upper and lower horizontal fastening bars of the upper and lower horizontal tables of the left and right tension supports, respectively, and fastening bolts are fastened and fixed to the fastening holes and the bolt hole extension lines. A front and rear fastening bar which is formed at each side and has an inner ring at an inner circumference to fasten each of the upper and lower horizontal bands of the left and right tension supports at the front and rear ends; One end is fixed to the rear ring of the front side high pressure cable moving hole by the tension spring, and the other end is fixed to the front ring of the rear side high pressure cable moving hole through the horizontal groove of the vertical stand, so that the front and rear high pressure cable moving hole is fixed to the left and right sides. A center tension spring that is pulled toward the center by elasticity inside the tension support; A pair of front and rear tension springs is located inside the left and right tension supports having the front and rear high-tension cable moving holes equipped with the center tension springs, and is located inside the other left and right tension supports not mounted with the center tension springs. Is fixed to the inner ring of the front fastening bar among the other front and rear fastening bars, and the other end is fixed to the front ring of the front high tension cable mover, and pulls the front high pressure cable mover toward the front side, and the rear end has a rear end. It is fixed to the inner ring of the side fastening bar and the other end is fixed to the rear ring of the rear side high pressure cable moving hole, and the rear side high pressure cable moving hole is pulled to the rear side to be located on the front and rear sides of the left and right tension support on which the center tension spring is mounted. Mounted on the front, rear and rear sides of the other left and right tension supports, respectively, The front and rear tension springs to maintain the tension while preventing the deflection of the pressure cable and the two ends of the front and rear fastening bars are respectively connected to the adjacent one side of the front and rear fastening bars so as to connect the light fastenings, and the light fastenings at both ends The engaging plate having a connection hole in communication with the binding hole formed in the formed is formed, and consists of a configuration including a front and rear support bar is formed with a through hole into which the bolt portion is inserted.

This configuration makes installation easier and more convenient, prevents sagging due to tension changes in high-voltage cables, and maintains a constant gap between high-voltage cables to prevent friction and contact in advance, thus eliminating the risk of power failure. This brings the advantage of higher reliability of the power supply.

However, this conventional technology has the advantage of maintaining and preventing the deflection of the high-voltage cable, but the configuration for having such an effect is very complicated, there is a frequent disadvantage in the maintenance, and there is a problem that the economic burden is high accordingly.

Domestic Registration Utility Model No. 20-0448709 (Notice date: May 11, 2010) Domestic Patent No. 10-083087 (Notice date: May 14, 2008)

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, an object of the present invention is to provide a device for preventing sagging of a high voltage cable through a simple configuration and maintaining the tension of the high voltage cable when the phenomenon occurs.

In order to solve the above technical problem, the substation connection line fixing device according to the present invention is formed in a hollow enclosure shape, and the substation connection line is inserted therein, and the lower end of the enclosure is provided at one end of the substation connection line. A sensing sensor for detecting a deflection phenomenon, and installed to be movable in the enclosure, if the deflection phenomenon of the substation connection line is generated by the detection sensor is provided to maintain the tension of the substation connection line by a control signal And a control panel that controls the tension holding member and the sensing sensor and the tension holding member, wherein the tension holding member is installed inside the enclosure so as to surround the outer surface of the substation connection line and is guided and movable in the enclosure. Clamp, which is installed on the outside of the enclosure so as to engage with the clamp, when the thread is formed A spur gear, a first gear rotatably installed outside the enclosure, coupled to the lower surface of the spur gear, coupled to the second gear, coupled to the second gear, and coupled to the second gear. And a rotating motor for rotating the first gear by rotating the second gear according to a control signal of the control panel. The rotating motor may be determined to be operated according to the sensing information of the sensing sensor transmitted to the control panel. It can be characterized by.

According to the present invention, a deflection phenomenon of the substation connection line is prevented through a simple configuration, which is different from the prior art, and when the sensing sensor detects this, the sensor senses this and tightens it through the control signal of the control panel. By controlling the tension holding member to operate to maintain, it has the effect of increasing the reliability of the power supply.

1 is a view showing a conventional high-voltage cable sag preventing device.
Figure 2 is a view showing a front view of the substation connection line fixing device according to the present invention.
3 shows a side view of FIG. 2.
4 and 5 is a view showing the enclosure for the substation connection line fixing device according to the present invention.
6 and 7 is a diagram showing the deflection of the substation connection line for the interval between the first body and the second body of the substation connection line fixing apparatus according to the present invention.
Figure 8 is a view showing a tension holding member for the substation connection line fixing device according to the present invention.
9 is a functional relationship diagram of the substation connection line fixing device according to the present invention.

Hereinafter, other objects and features of the present invention in addition to the above object will be apparent through the description of the embodiments with reference to the accompanying drawings, and unless otherwise defined, all terms used herein, including technical or scientific terms, are used herein. The invention has the same meaning as commonly understood by one of ordinary skill in the art. Terms such as those defined in the commonly used dictionaries should be construed as having meanings consistent with the meanings in the context of the related art, and shall not be construed in ideal or excessively formal meanings unless expressly defined in this application. Do not.

Hereinafter, with reference to the accompanying drawings will be described in detail with respect to the sub-connection line fixing device (hereinafter, simply referred to as 'fixing device') according to the present invention.

Prior to the description, the substation connection line (P / C) described in the present invention means a special high-voltage wire is installed in a substation, the control panel 400 is a substation for detecting information detected by the sensor 200 to be described later It is connected to the manager terminal so that the manager of the, and means a conventional control module for applying the power required for the operation of the tension holding member 300 according to the detection information to make the gist of the present invention clear Description is omitted.

First, as shown in FIGS. 2 and 3, the fixing device 1 according to the present invention includes a housing 100, a sensor 200, and a tension maintaining member 300.

In more detail, as shown in Figures 4 and 5, the housing 100, as well as the control panel 400, as well as the sensor 200 and the tension holding member 300 to be described later is installed therein The control panel 400 controls whether the tension maintaining member 300 is operated through the sensing information by easily detecting the deflection of the substation connection line (P / C) penetrating through the sensing information. It includes a first body 110 and the second body 120 in a configuration for enabling.

For example, the first body 110 in the present invention is formed in a hollow enclosure shape having a hollow portion 115 therein so that the transformation connection line P / C can be penetrated from one end to the other end.

In this case, the diameter of the hollow portion 115 may be easily moved in the longitudinal direction of the hollow portion 115, the clamp 310 is installed on the outer surface of the sub-connection connection line (P / C) passing through the hollow portion 115. It is preferable to be formed to have a magnitude of the degree.

The lower body of the first body 110 is provided with a plate-shaped mounting plate 111 for installing the control panel 400, the outer surface of the mounting plate 111 is a rotating motor of the configuration of the tension holding member 300 to be described later Fixture 113 for fixing the 350 may be further provided.

In addition, the outer surface of the first body 110 may be formed to have a guide groove 117 in communication with the hollow portion 115 to have a hole shape, the guide groove 117 in the guide protrusion formed on the outer surface of the clamp 310 ( 311 is movably inserted.

For example, in the present invention, the second body 120 is spaced apart from one side or both sides of the first body 110 described above, and the substation connection line P / C inserted into the first body 110 is outside air or When it is stretched downward by a load, it includes a fixing screw 121, a through-hole 123, and a through-hole 125 as a configuration for easily detecting the sensor 200 to be described later.

The second body 120 is formed to have a plate shape as a whole, but a through hole having a predetermined diameter so that the sub-connection line P / C inserted through the first body 110 can be inserted therethrough again in the center of the area. 123 is perforated.

At this time, the diameter of the through-hole 123 is formed larger than the diameter of the substation connection line (P / C) can be detected by the sensor 200 only when the deflection phenomenon of the substation connection line (P / C) occurs. It is desirable to.

The through-hole 125 is installed in the lower portion of the second body 120 to communicate with the through-hole 123, the detection sensor 200 is installed is inserted into the through-hole 123 of the substation connection line (P / C) The detection sensor 200 is formed to detect the deflection.

Fixing screw 121 is provided with a plurality of the second body 120 is formed to have a conventional bolt shape that can be tightened and released in accordance with the rotation direction to be coupled to the first body (110).

As shown in the drawing, the second body 120 coupled to the first body 110 by the fixing screw 121 may have a predetermined interval D between the first body 110 and the second body 120. It is formed to be spaced apart, because the sagging phenomenon of the sub-connection connection line (P / C) penetrating the first body 110 and the second body 120 is provided in the second body 120 In order to easily detect the deflection of the substation connection line (P / C) by the detected sensor 200.

At this time, the gap D between the first body 110 and the second body 120 easily detects the deflection of the substation connection line P / C, but the installation area of the fixing device 1 according to the present invention. It is preferable to set it within 10-30 cm so that the maximum may be maximized.

That is, as shown in the figure, if the distance D between the first body 110 and the second body 120 is too narrow, the deflection phenomenon on the substation connection line P / C is struck downward when the phenomenon occurs. Is too short so that the sensor 200 may not easily detect this, and if the interval D is too long, the sag of the substation connection line P / C by the sensor 200 may be easily detected. However, this is because it may affect other facilities in the surroundings by securing unnecessary installation space. (See FIGS. 6 and 7)

In addition, the detection sensor 200 is installed detachably with the through-hole 125 formed in the second body 120 described above, sag of the substation connection line (P / C) penetrating the second body 120. It is configured to transmit this detection information to the control panel 400 by detecting the.

For example, the detection sensor 200 according to the present invention may be a limit switch or PB switch electrically switched on / off (P / C) by the pressure of the sub-connection line (P / C), through holes 125 The upper part is installed to be partially exposed to the inside of the through hole 123 in the inserted state, and the lower part is electrically connected to the control panel 400 by a cable or the like.

At this time, the proper length of the sensor 200 is exposed to the through hole 123 is normally, that is, the sensor in the state in which no sagging phenomenon occurs in the sub-connection connection line (P / C) inserted through the through hole 123 (200) and the outer surface of the substation connection line (P / C) is not in contact with each other, but the deflection phenomenon occurs in the substation connection line (P / C) is exposed to have a length enough to be contacted only when going down It is preferable.

As shown in FIGS. 8 and 9, the tension maintaining member 300 is installed to be movable in the horizontal direction in the housing 100 described above, and the substation penetrated and inserted into the housing 100 by the movement thereof. The clamp 310 and spur gears are configured to maintain the tension of the substation connection line P / C through the control signal of the control panel 400 when a sagging phenomenon of the connection line P / C occurs. 320, the gear member and the rotary motor 350.

For example, the clamp 310 in the present invention is provided in the first body 110, the fastening means such as bolts or screws to surround the outer surface of the sub-connection connection line (P / C) penetrating the inside of the first body (110) Is fixed by.

Here, the initial position of the clamp 310 provided in the first body 110 is moved to the other side of the first body 110 when the deflection of the sub-connection line (P / C) occurs, the sub-connection line (P) / C) to be disposed in a position close to one side of the first body 110 to maintain the tension,

In addition, the outer surface of the clamp 310, the column-shaped guide protrusion 311 is formed to protrude in the outward direction, the guide protrusion 311 can be fixed to the spur gear 320 through the guide groove 117 described above. To be able.

When the spur gear 320 moves to the other side of the first body 110 by the rotation of the gear member, the guide protrusion 311 fixedly coupled to the spur gear 320 follows the guide groove 117 in the same direction. By the movement, the guide protrusion 311 and the clamp 310 which is connected by the movement to move the sub-connection line (P / C) together to maintain the tension of the sub-connection line (P / C) can be maintained. To ensure that

For example, the spur gear 320 according to the present invention is fixedly coupled to the guide protrusion 311 inserted into the guide groove 117 so as to have a plate shape as a whole. 330 and teeth are coupled to each other to be moved by the rotation of the first gear 330.

For example, in the present invention, the gear member may move the spur gear 320 as described above to move the clamp 310 connected to the spur gear 320 in the same direction so that the tension of the substation connection line P / C may be maintained. The first gear 330 and the second gear 340 may include a configuration to ensure that.

Here, the first gear 330 is tooth-coupled with the thread of the lower surface of the spur gear 320, but the second gear 340 has a structure that is tooth-coupled with the first gear 330.

For example, the rotary motor 350 of the present invention is coupled to the drive shaft is the second gear 340 described above, it is electrically connected to the control panel 400 can be rotated by the control signal of the control panel 400. Can use the reduction motor.

In addition, the rotary motor 350 having the deceleration function is provided to the control panel 400 only when the sensing information is input from the sensing sensor 200 to the control panel 400 due to the sag of the substation connection line (P / C). To be controlled and operated.

The fixing device 1 according to the present invention having such a configuration prevents the deflection phenomenon of the substation connection line (P / C) through a simple configuration, which is different from the conventional art, and at the same time of the substation connection line (P / C). When the detection sensor 200 detects this when the deflection occurs, the tension maintaining member 300 is controlled to operate so that the control signal of the control panel 400 is kept tight, thereby increasing the reliability of the power supply. Will have

In the present invention as described above has been described by the specific embodiments, such as specific components and limited embodiments and drawings, but this is provided to help a more general understanding of the present invention, the present invention is not limited to the above embodiments. For those skilled in the art, various modifications and variations are possible from these descriptions.

Accordingly, the spirit of the present invention should not be limited to the described embodiments, and all of the equivalents or equivalents of the claims, as well as the appended claims, will fall within the scope of the present invention. .

100: enclosure
110: first body 111: mounting plate
113: fixing base 115: hollow part
117: guide groove 120: second body
121: set screw 123: through hole
125: through hole 200: detection sensor
300: tension holding member
310: clamp 311: guide projection
320: spur gear 330: first gear
340: second gear 350: rotary motor
400: control panel P / C: substation connection line

Claims (1)

Comprised of a hollow housing shape, the sub-transmission connecting line (P / C) is inserted into the housing 100;
A detection sensor 200 provided at one end of the enclosure 100 to detect a deflection phenomenon of the substation connection line P / C;
If the deflection phenomenon of the substation connection line (P / C) occurs by the detection sensor 200 is installed in the housing 100, the tension of the substation connection line (P / C) by a control signal A tension maintaining member 300 provided to be maintained; And
Including; control panel 400 for controlling the detection sensor 200 and the tension holding member 300,
The tension maintaining member 300 is installed inside the enclosure 100 to surround the substation connection line (P / C) and guided to the enclosure 100 so as to be movable and the clamp 310, the clamp When installed outside the housing 100 to be coupled to the 310, the spur gear 320 is formed with a screw thread, rotatably installed outside the housing 100, but the lower gear and tooth (320) Iii) a first gear 330 to be coupled, a second gear 340 to be coupled with the first gear 330, and a second gear 340 to be coupled to each other, It includes a rotary motor 350 for rotating the first gear 330 by rotating the second gear 340 in accordance with a control signal,
The rotary motor 350 may be determined whether to operate according to the detection information of the detection sensor 200 transmitted to the control panel 400,
The enclosure 100 is formed by drilling a hollow portion 115 through which the substation connection line (P / C) can be inserted, and guide protrusions 311 formed on the outer surface of the clamp 310 are inserted into the outer surface thereof. The first body 110 and the first body formed with a guide groove 117 for guiding the sub-connection line (P / C) to move in the hollow portion 115 by the movement of the clamp 310, 110 is installed on one side or both sides by a fixing screw 121, the outer surface is formed with a through hole 123 through which the sub-connection connection line (P / C) is inserted through the detection sensor installed below the through hole (123) A second body 120 capable of detecting sagging of the substation connection line P / C by 200;
The detection sensor 200 detects that the gap D of the second body 120 coupled to the first body 110 by the fixing screw 121 is sagging of the substation connection line P / C. Substation connection line fixing device characterized in that spaced apart so as to have a spacing of 10 to 30cm so that it can be easily detected.

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