KR102135174B1 - Temperature reduction device for oil-filled cable trough - Google Patents

Abstract

The present invention relates to a cooling device after a cable cable truffle, and the cooling cable device after a cable cable according to the present invention is installed inside an electric power outlet, and an oil-filled (OF) cable is accommodated. The heat absorbing portion provided in the interior, the heat pipe connected to the heat absorbing portion to receive the heat conducting to the heat absorbing portion, the heat pipe extending to the outside of the body after the truffle, and is installed outside the body after the trough, It is characterized in that it comprises a heat generating portion that is provided in the heat pipe of the portion extending to the outside of the body after the truffle and dissipating the heat inside the body after the truffle to be transferred to the heat pipe.
According to the present invention as described above, the inside of the pre-installed hot spot (hot spot) inside the heat absorbing portion is provided with an external heat generating portion, and the heat absorbing portion and the heat pipe connected to the heat pipe to cool the inside of the truffle There is an advantage that can increase the transmission efficiency.

Description

Cooling device for TFT cable reduction{Temperature reduction device for oil-filled cable trough}

The present invention relates to a cooling device after a cable cable truffle, and more particularly, to a cooling device after the cable cable truff that can efficiently cool the inside of the truffle at a low cost.

In recent years, in order to solve problems such as increased power demand, stable power supply, and urban beautification, a trend is being shifted from ground transmission facilities to underground transmission facilities, and the underground transmission facilities are divided and arranged inside the electric power zone.

The transmission equipment as described above includes a high-voltage cable, etc. In the case of an oil-filled (OF) cable filled with insulating oil inside of the high-voltage cable, it is not exposed to fire and prevents insulating oil from flowing out. It is sealed by a trough.

The inside of the electric power zone is regulated by the relevant law (Article 117 of the Industrial Safety and Health Act: the internal temperature of the electric power zone is kept below 37 degrees Celsius) so that it does not exceed 37 degrees Celsius, and most of it is between 15 and 20 degrees Celsius except for some sections. It is maintained.

However, since the above-described truffle is in a closed state, heat exchange with the inside of the power sphere is difficult to be performed smoothly, so the resistance due to deterioration is increased and heat loss is generated. Therefore, it is necessary to cool the inside of the truffle to increase transmission efficiency. .

Accordingly, conventionally, a method of increasing heat transmission efficiency by installing a cooling pipe inside the truffle to forcibly recover heat generated from the OEP cable or by installing a cooling tube at the top of the power tool has been sought. There was also a problem that a lot of time is required for the installation of the cooling system (cooling pipe, cooling pipe), and also a lot of time is required for the operation and maintenance of the equipment.

The present invention has been devised to solve the above-mentioned problems, and the object of the present invention is to install a heat absorbing part on the inside of a pre-installed hot spot (hot spot), a heat generating part on the outside, and a heat absorbing part and a heat generating part as heat pipes. It is to provide an after-cooling system for an overhead cable which can increase transmission efficiency by cooling the inside after connecting.

In addition, it has a simple configuration of a heat absorbing section, a heating section, and a heat pipe, so that the installation cost is low, and it is to provide a cooling device after the cable cable truff that is easy to install after the trout.

In order to solve the above problems, the truffle cooling apparatus according to the present invention is installed inside an electric power outlet, and an endothermic portion provided inside the truffle body where an oil-filled (OF) cable is accommodated, and The heat pipe connected to the heat absorbing portion receives heat conducting from the heat absorbing portion, and extends to the outside of the body after the trough, and is installed outside the body after the trough and extends to the outside of the body after the trough. It is provided in the heat pipe is characterized in that it includes a heat generating portion for dissipating the heat inside the body after the transport to the heat pipe to the inside of the power tool.

In addition, the heating portion is characterized in that the plurality of heating plates provided on the outer peripheral surface of the heat pipe.

In addition, the plurality of heating plates are arranged spaced apart at regular intervals, and are characterized by having a disk shape or a polygonal plate shape.

In addition, the heat absorbing portion, the heat pipe and the heat generating portion is installed on the upper or lower surface of the body after the trough, and is installed at a hot spot where the temperature measured by the thermal measuring device exceeds a preset temperature. It is characterized in that they are respectively installed at both ends of the high-temperature portion with respect to the longitudinal direction of the trunk.

In addition, any one of the heat absorbing part, the heat pipe and the heat generating part installed at both ends of the high heat point, the heat pipe and the heat generating part is installed to be biased on the wall of the power tool, and the other heat absorbing part, heat The pipe and the heating unit are characterized in that they are installed to be biased in the passage of the power tool.

In addition, the heat pipe is characterized in that it further comprises a bent portion that allows the portion extending to the outside of the body after the truncation to bend parallel to the outer circumferential surface of the body.

In addition, the extension portion of any one of the heat pipes extending to the outer circumferential surface of the main body after the trough is characterized in that it is bent toward the wall of the power tool.

In addition, the end of any one of the heat pipes is characterized in that it is manufactured in the shape of a horn or a cylinder.

In addition, the end of any one of the heat pipe is characterized in that fitted to the cooling member formed on the outer circumferential surface of the power tool wall.

In addition, the cooling member is installed on the outer circumferential surface of the wall, it characterized in that the receiving groove is formed to accommodate the end of any one of the heat pipes.

In addition, the heat pipe is characterized in that the portion extending to the outside of the main body after the truncation.

In addition, the heat absorbing portion, the heat pipe and the heating portion are respectively installed on both sides of the body after the trough, and are installed at a hot spot where the temperature measured by the heat measuring device exceeds a predetermined temperature. It is characterized in that it is respectively installed at both ends of the high-temperature portion with respect to the longitudinal direction of the body.

According to the present invention as described above, the inside of the pre-installed hot spot (hot spot) inside the heat absorbing portion is provided with an external heat generating portion, and the heat absorbing portion and the heat pipe connected to the heat pipe to cool the inside of the truffle There is an advantage that can increase the transmission efficiency.

In addition, since it has a simple configuration of a heat absorbing portion, a heating portion, and a heat pipe, there is an advantage of low installation cost and easy installation after a truffle.

1 is a perspective view showing a state in which a heating plate of a cooling device after a cable cable trellis according to a preferred embodiment of the present invention has a circular plate shape.
2 is a perspective view showing a state in which the heating plate of the cooling device after a cable cable according to a preferred embodiment of the present invention has a rectangular plate shape.
3 is a front view of the cooling device after the cable cable truffle according to a preferred embodiment of the present invention.
4 is a plan view showing a state in which the cooling device is installed after the trellis of the cable cable according to a preferred embodiment of the present invention.
5 is a side view showing a state in which the cooling device is installed after the trellis of the cable cable according to a preferred embodiment of the present invention.
6 is a plan view showing a state in which the heat pipe of the cooling device is bent to the wall of the power tool after the cable cable truffle according to the preferred embodiment of the present invention.
7 is a side view and a partially enlarged view showing a state in which the heat pipe of the cooling device after bending of the cable cable according to the preferred embodiment of the present invention is bent into the wall of the power tool.
8 is a plan view showing a state in which the heat pipe of the cooling device is branched after the cable cable truffle according to the preferred embodiment of the present invention.
9 is a plan view showing a state in which the cooling device is installed on both sides of the truffle after the cable cable truffle according to a preferred embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. The same reference numerals in each drawing denote the same members. In describing the present invention, detailed descriptions of related known functions or configurations are omitted so as not to obscure the subject matter of the present invention.

1 is a perspective view showing a state in which the heating plate of the cooling device after a cable cable truffle according to a preferred embodiment of the present invention has a circular plate shape, and FIG. 2 is a heating plate of the cooling device after cable cable tr according to a preferred embodiment of the present invention 3 is a perspective view showing a shape of a square plate, and FIG. 3 is a front view of the cooling device after the CF cable trough according to a preferred embodiment of the present invention.

Prior to the detailed description of the present invention, the truffle body 10 and the OEP cable 30 to which the present invention is installed will be described.

The trough body 10 is made of a metal material, and a band 11 is provided to accommodate the three-phase CF cable 30 superimposed therein, and a support part 12 supporting the lower part of the band 11 is provided. ) Is provided.

In addition, the truffle body 10, which will be described later, has a length of 2500 mm, a width of 800 mm, and a height of 550 mm, and is generally manufactured in a rectangular tube shape in which a space in which the OF cable 30 can be accommodated is formed. It is not limited to this because the size may vary depending on the conditions.

As described above, the truffle body 10 is disposed adjacent to the inner wall of the power tool, and accordingly, a path through which the worker can walk is formed in the space between each truffle body 10.

In addition, the main body 10 after the trough can be installed inside the power tool by being supported by a separate fixing bracket 40 as shown in FIGS. 4 to 9.

The cable 30 is a cable in a manner that the insulating oil is always filled and sealed with a pressure above atmospheric pressure inside the cable, and is generally used for a high voltage of 40 kv or higher.

Cooling device after the cable cable truffle according to a preferred embodiment of the present invention, the heat absorbing unit 100, the heat pipe 200 and the heating unit 300 is included.

First, the heat absorbing unit 100 will be described.

The heat absorbing portion 100 is made of a metal material having excellent thermal conductivity, and as shown in FIGS. 1 to 3 and 5, adjacent to the OEP cable 30 when installed inside the trunk body 10 after the truffle It can have a predetermined length so that it can be arranged, and can be generally made into a cylindrical shape.

As described above, the standard of the general trunk body 10 has a length of 2500 mm, a width of 800 mm, and a height of 550 mm. When the heat absorbing portion 100 is installed inside the general trunk body 10, the heat absorbing portion ( 100) is preferably having a length of 300mm, the length of the heat absorbing portion 100 may be varied when the size of the body 10 after the trough is changed.

Next, the heat pipe 200 will be described.

The heat pipe 200 is connected to the heat absorbing part 100 described above and receives heat from the inside of the truffle body 10 that is conducted to the heat absorbing part 100, so that the heat pipe 200 is external to the body. It is a medium that is transmitted to the heating unit 300, which will be described later.

When a liquid such as water or alcohol is put inside the reduced pressure pipe and heated on one side, the liquid becomes steam and flows to the other side, and when it dissipates and becomes liquid, the liquid returns to the heating section by capillary action. The heat conduction using the principle of transferring heat from the heat absorbing part to the heat generating part by repeating this action is called a heat pipe.

One side of the heat pipe 200 as described above is connected to the heat absorbing portion 100 installed inside the trunk body 10 described above, the other side is formed to extend outside the trunk body 10, such heat 1 to 3, the pipe 200 is generally disposed on the inside of the main body 10 after the trough, and the other side is disposed on the outside of the main body 10 after the trough, as shown in FIGS. 1 to 3. It is made in the shape of "a".

As described above, the heat pipe 200 disposed on the outer circumferential surface of the truffle body 10 by the bent portion 210 to be disposed outside the trunk 10 is parallel to the outer circumferential surface of the truffle body 10. It can be maintained, and the heat pipe 200 is preferably made of a metal material having excellent thermal conductivity, like the heat absorbing portion 100 described above.

Next, the heating unit 300 will be described.

The heating unit 300 is made of a metal material having excellent thermal conductivity installed outside the main body 10 after the trout, and is provided in a portion of the heat pipe 200 extending outside the main body of the main body 10 after the trout. It serves to dissipate the internal heat of the main body 10 to the inside of the electric power tool, after being transferred to the heat pipe 200.

The heating unit 300 as described above is composed of a plurality of heating plates 310, which are spaced apart from each other at regular intervals.

In addition, the heating unit 300 as described above may have a shape of a disc or a square plate, as shown in FIGS. 1 to 2 so as to increase the heat conduction efficiency, and is illustrated as a square plate in FIG. 2, Although it may be made of a polygonal plate, it is not limited thereto.

Hereinafter, a method of installing the cooling device after the cable cable truffle according to the preferred embodiment of the present invention having the above configuration will be described with reference to FIGS. 4 to 9.

FIG. 4 is a plan view showing a cooling device installed after the cable cable truffle according to a preferred embodiment of the present invention, and FIG. 5 shows the cable cable cooling device according to a preferred embodiment of the present invention. The side view showing the installation after the truffle is shown.

Cooling device after the cable cable truffle according to a preferred embodiment of the present invention is installed at a high-temperature point of the body 10 after the truffle, and this high-temperature point is a heat measuring device capable of measuring heat (for example, a thermo (thermo). -gun)) (not shown) to inspect the main body 10 after the truffle.

When the main body 10 is inspected after being truncated by the thermal measuring device as described above, if a point above a predetermined temperature (for example, 35 degrees Celsius) is detected, this point is set as a hot spot and separately marked. .

Subsequently, the operator installs the present invention (an endothermic portion, a heat pipe, and a heat generating portion) at a high heat location. When the high heat location has a local range, the present invention is installed in one local range, and when it has a wide range, the high heat location It is installed at both ends, respectively, and the present invention is secured to the main body 10 by using a bolt and a nut.

Here, both end portions of the high-temperature portion are both end portions with respect to the longitudinal direction of the body 10 after the truffle.

In addition, when the present invention is respectively installed at both ends of the high-temperature place, as shown in FIG. 4, any one of the present invention (heat absorbing part, heat pipe and heat generating part) is adjacent to the inner wall 20 of the electric power tool. And the other of the present invention can be disposed adjacent to the power passage.

On the other hand, as shown in FIGS. 6 to 7, the heat pipe 200 disposed adjacent to the wall 20 may be bent toward the wall 20, and thus the heat bent toward the wall 20 The end of the pipe 200 may be fitted to the cooling member 21 provided on the wall 20.

The cooling member 21 as described above is lower than the temperature inside the power sphere, and accordingly, the heat of the main body 10 after the truncation of the heat pipe due to the end of the heat pipe 200 being fitted to the cooling member 21 It may diverge to the wall 20 through the (200).

As shown in FIG. 7, the cooling member 21 protrudes on the outer circumferential surface of the wall 20, and the material may be a material such as cement.

In addition, an accommodation groove 22 is formed in the cooling member 21, and the accommodation groove 22 may be variable according to the shape of the heat pipe 200.

It is preferable that the end portion of the heat pipe 200 has a larger cross-sectional area than the heat pipe 200. As shown in the partial enlarged view of FIG. 7, it may have a horn shape or a cylindrical shape.

On the other hand, Figure 8 is a top view showing a state of the heat pipe of the cooling device after the cable cable truffle according to a preferred embodiment of the present invention is shown, the heat pipe 200 is installed at a high temperature location is the main body after the trough The portion extended to the outside of (10) may be branched for two or more branches, and in this case, the heat pipe 200 can smoothly exchange heat with the inside of the power outlet, thereby cooling the inside of the body 10 more efficiently after the trout. There are features that can.

In addition, as shown in Fig. 9, the present invention (heat absorbing part, heat pipe, and heat generating part) may be respectively installed at both ends of a high-temperature point measured by a heat measuring device, and any one of the two present inventions On the side of the trunk body 10 adjacent to the wall 20, the other one may be installed on the side of the trunk body 10 adjacent to the inner passage of the power tool.

Optimal embodiments have been disclosed in the drawings and specification. Here, specific terms are used, but they are used for the purpose of describing the present invention only, and are not used to limit the scope of the present invention as defined in the claims or claims. Therefore, those skilled in the art will appreciate that various modifications and other equivalent embodiments are possible therefrom. Therefore, the true technical protection scope of the present invention should be determined by the technical spirit of the appended claims.

10-truck body 11-band
12-support
20-wall 21-cooling member
22-accommodating home
30-off cable
40-fixed bracket
100-heat absorber
200-heat pipe 210-bend
300-heating section 310-heating plate

Claims (12)

It is installed inside the power tool having a wall, and an endothermic part provided in the body of the trunk after receiving an oil-filled (OF) cable,
At least one heat pipe connected to the heat absorbing part to receive heat that is conducted to the heat absorbing part, and the other side extending to the outside of the main body after the trunnion;
It includes a heat generating portion extending from the heat pipe to the outside of the body after the truffle to dissipate the heat inside the body after the trout to the outside of the power tool,
The heating unit includes a plurality of heating plates disposed on a bent portion of the heat pipe extending parallel to the outer circumferential surface of the body after being truncated by being exposed to the outside of the body after the trough,
On the outer circumferential surface of the power tool wall, a cooling member having a receiving groove is installed,
The end of the heat pipe extending to the outside of the body after the truffle is inserted into the receiving groove of the cooling member to dissipate the heat transferred through the heat pipe to the outside through the power wall wall, characterized in that the cable cable trough After cooling device. The method according to claim 1,
The plurality of heating plates, the cooling system after the cable cable truffle, characterized in that arranged at regular intervals on the outer circumferential surface of the heat pipe. The method according to claim 2,
The plurality of heating plates, the off-road cable cooling system, characterized in that it has a disc-shaped or polygonal plate shape. The method according to claim 1,
The heat absorbing portion, heat pipe and heating portion,
It is installed on the upper or lower surface of the body after the trough, and is installed at a hot spot where the temperature measured by the thermal measuring device exceeds a preset temperature, and the Cooling device after the cable cable truffle, characterized in that each is installed at both ends. The method according to claim 4,
The heat absorbing part, the heat pipe, and the heat generating part of the heat absorbing part, the heat pipe, and the heat generating part respectively installed at both ends of the high heat place are installed to be deflected on the wall of the power tool, and the other heat absorbing part, heat pipe and The heating unit is installed in a deflection direction in the passage of the power tool, characterized in that the cable cable cooling system after the truffle. delete The method according to claim 4,
The end of one of the heat pipes extending to the outer circumferential surface of the main body of the truffle, the cable cable post cooling system characterized in that it is bent toward the wall of the power tool. The method according to claim 7,
The end of any one of the heat pipes, the cooling system after the cable cable truffle, characterized in that it is made of a horn or a tubular shape. The method according to claim 8,
The end of any one of the heat pipe is a cooling device after the cable cable truffle, characterized in that having a larger cross-sectional area than the heat pipe. delete The method according to claim 1 or 4,
The heat pipe is a cooling device after the cable cable truffle, characterized in that the portion extending to the outside of the main body after the truncation. The method according to claim 1,
The heat absorbing portion, heat pipe and heating portion,
It is installed on both sides of the main body after the trough, and is installed at a hot spot where the temperature measured by the thermal measuring device exceeds a predetermined temperature, and ends at both sides of the high-temperature location with respect to the longitudinal direction of the main body. Cooling device after the cable cable truffle, characterized in that each is installed on.

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