KR101319397B1 - Connector for connecting distributer of underground transmission line - Google Patents

Abstract

PURPOSE: A connector for connecting a distribution board to an underground transmission line is provided to stably maintain a transmission state by preventing underground creatures from approaching through a disk panel. CONSTITUTION: A panel (10) is arranged in an underground pipe. A connection bar (20) includes an insertion part (21), a first connection part (22), and a second connection part (23). A spring (30) is composed of a panel fixing unit (31) and an underground pipe fixing unit (32). The panel fixing unit is fixed to the lateral side of the panel. The underground pipe fixing unit is fixed to the inner wall of the underground pipe.

Description

Connector for exclusive connection of switchboard of power supply distribution line {CONNECTOR FOR CONNECTING DISTRIBUTER OF UNDERGROUND TRANSMISSION LINE}

The present invention relates to a connector for exclusively connecting a switchboard of a transmission medium distribution line. More specifically, the connection structure in which incoming and outgoing wires are connected is improved, and the underground transmission line embedded in the ground is more stable to external impact, and access to external organisms is improved. The present invention relates to a connector for exclusively connecting a switchboard of a medium-voltage distribution line, which is improved to be cut off to prevent disconnection or short circuit of the connector.

In general, the electricity used in each home or office and a large-scale factory is supplied with electricity through substations installed in each region. These substations are installed for the purpose of modifying voltage or current and distributing power. The power produced by the power plant is sent to the consumer via transmission lines.

The substation is to be installed on the ground, in the case of such a substation is to transfer a high-voltage current bar high voltage wire is mostly exposed to the outside, the high-voltage wire exposed to the outside causes a short circuit and short circuit due to external interference It is easy to be used, and there are problems such as damaging the surrounding landscape due to the dizzyingly hypothesized high-voltage cable, so that the high-voltage cable is installed underground.

1 is an exemplary view showing a connection state of the underground distribution line connection only connector according to an embodiment of the prior art.

The underground distribution line according to the prior art is installed in the underground pipe buried underground as shown in Figure 1 is connected to the distribution panel (B) installed on the ground via the connector.

The connector is connected to an incoming wire (L), one end of which is drawn from the power supply source, and the other end of the connector is connected to a lead wire (L '), which is drawn from the switchboard (B), so that power is supplied from the power supply to the switchboard (B).

At this time, the connector is stably fixed to the inner wall of the underground pipe (P) via the support (F).

However, in the connector according to the prior art, when an external shock such as an earthquake occurs, the low back pain is directly transmitted to the external force generated from the incoming wire L and the outgoing wire L ', which causes the connector to be disconnected and to the disconnected end. An electric leakage occurred and an accident such as an electric shock or a fire occurred.

On the other hand, when the temperature is low, such as winter, rodents containing rats may move along the inner wall of the underground pipe (P) to move to a relatively warm distribution box (C). As described above, rodents moving along the inner wall of the underground pipe P frequently move to the connector through the support F connected to the connector, thereby causing damage to the connector.

As a result, the connector was easily disconnected and a short circuit occurred in the disconnected connector.

As an example of the prior art to improve this, Korean Patent Registration No. 0905762 (2009.06.25.) "Underground distribution line connector" has been disclosed.

However, in the case of the registered patent disclosed in the prior art, since the connector portions interconnecting the incoming wires and the outgoing wires are rigidly connected to each other, an improved effect can be obtained in terms of preventing access to underground organisms such as rodents, but the earthquake When a strong external shock such as the back was transmitted, the rigid connection part was easily broken and still had a high risk of disconnection.

The present invention has been proposed to solve the above problems, it is possible to stretch the connector for connecting the incoming and outgoing wires, while making a safe transmission by blocking the inhabitants such as rats inaccessible easily An object of the present invention is to provide a connector for underground transmission line connection, which is capable of preventing breakage or breakage by sufficiently absorbing and buffering an excessive impact from the outside such as an earthquake.

In order to achieve the above technical problem, the present invention is installed in the underground pipe (P) in communication with the distribution box (C) installed on the ground, withdrawal wires (L) and withdrawal wires drawn from the switchboard (B) drawn from the power supply source An underground distribution line connector interconnecting the lines L ', wherein the connector is an insulating material disposed inside the underground pipe P so as to be disposed between the incoming wire L and the outgoing wire L'; A cross-shaped insertion portion 21 inserted into the panel 10, a first connection portion 22 extending downward from the insertion portion 21 and penetrating the panel 10 and connected to the incoming wire L; Connecting rod 20 which is a conductive material composed of a second connecting portion 23 extending upward from the insertion portion 21 and penetrating the panel 10 and connected to the lead wire L ', and the side surface of the panel 10. The panel fixing part 31 is fixed, and the underground pipe fixing part 32 is fixed to the inner wall of the underground pipe P. In the elastically emitting songjijung the distribution line with at least two or more springs (30) connected to a private switchboard connector; The first and second connectors 220 and 230 are further connected to the first connector 22 and the second connector 23 to be shock-shockable, respectively, and the first and second connectors 220 and 230 may have a long hole shape. 1,2 buffer guidance holes (H1, H2) are formed; The first connecting rod conductive roll 20a fitted to the first buffer guide hole H1 and the first connecting rod conductive roll 20a are rotatable at a lower end of the connecting table 20 constituting the first connecting portion 22. A first connecting rod conductive roll shaft 20b penetrating the connecting rod 20 in a thickness direction and a first connecting rod fixing nut 20c for fixing the first connecting rod conductive roll shaft 20b so as to be supported; A first conductive roll 222 fitted to the first buffer induction hole H1 and a first conductive roll 222 rotatably support the first conductive roll 222 on an upper end of the incoming wire L. A first conductive roll shaft 224 penetrating in the thickness direction and a first fixing nut 226 for fixing the first conductive roll shaft 224; A first buffer holding spring (SP1) is interposed between the first connecting rod conductive roll (20a) and the first conductive roll (222); The second connecting rod conductive roll 20d fitted to the second buffer guide H2 and the second connecting rod conductive roll 20d are rotatable at an upper end of the connecting table 20 constituting the second connecting portion 23. A second connecting rod conductive roll shaft 20e penetrating the connecting rod 20 in a thickness direction and a second connecting rod fixing nut 20f for fixing the second connecting rod conductive roll shaft 20e so as to be supported; At the lower end of the lead wire L ', the lead wire L' is rotatably supported by the second conductive roll 232 and the second conductive roll 232 inserted into the second buffering guide H2. A second conductive roll shaft 234 penetrating through the thickness direction) and a second fixing nut 236 for fixing the second conductive roll shaft 234; A second buffer holding spring SP2 is interposed between the second connecting rod conductive roll 20d and the second conductive roll 232 to buffer the connection between the terminals during an external impact. connector.

According to the present invention, since the part where the incoming wire and the outgoing wire are connected is always in a state of being energized while being stretched, even if a strong external shock wave such as an earthquake is transmitted, they are absorbed and buffered to prevent their disconnection, and further, through the disc panel. By blocking the access of underground organisms, the effect of maintaining a more stable transmission state can be obtained.

1 is an exemplary view showing a connection state of a underground power line connection dedicated connector according to an embodiment of the prior art.
Figure 2 is an exemplary view showing a connection state of the underground power line connection dedicated connector according to an embodiment of the present invention.
3 is a partially enlarged view of a connector for connection to underground transmission lines according to an embodiment of the present invention.
4 is a plan view of main parts of FIG. 3.
5 is an operating state diagram of the underground transmission line connection only connector according to an embodiment of the present invention.
6 and 7 are exemplary views showing a modification of the panel constituting the connector for underground transmission line connection according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Before describing the present invention, the following specific structural or functional descriptions are merely illustrative for the purpose of describing an embodiment according to the concept of the present invention, and embodiments according to the concept of the present invention may be embodied in various forms, And should not be construed as limited to the embodiments described herein.

In addition, since the embodiments according to the concept of the present invention can make various changes and have various forms, specific embodiments are illustrated in the drawings and described in detail herein. However, it should be understood that the embodiments according to the concept of the present invention are not intended to limit the present invention to specific modes of operation, but include all modifications, equivalents and alternatives falling within the spirit and scope of the present invention.

The present invention utilizes the technical spirit of Patent No. 0905762 (2009.06.25.) "Underground distribution line connector" mentioned in the prior art as it is. Therefore, the features of the device configuration described below are all described in the registered patent 0905762.

However, the present invention further includes an improvement in the connecting structure for connecting the incoming wires and the outgoing wires among the components disclosed in the Patent No. 0905762, and this part forms the most essential structural feature.

Therefore, the device configuration, features and operation relations described below will be referred to the contents of the Patent No. 0905762 as it is, and the configuration of the panel related to the main features of the present invention will be described in detail later.

The underground distribution line connector according to the present invention, as shown in Figures 1 to 5, the panel 10 of the insulating material in the underground pipe (P) and the connecting rod of the conductive material that is fixed through the panel 10 ( 20 and a spring 30 that supports the panel 10 in a shot.

At this time, the underground pipe (P) is buried underground to be installed in the vertical direction in the shape of a circular pipe, the upper portion is in communication with the distribution box (C) is installed on the ground is built in the switchboard (B).

According to a preferred embodiment, the panel 10 has a circular plate shape having a diameter smaller than that of the underground pipe P, and is drawn from the lead wire L 'drawn from the switchboard B and the power supply source, and the switchboard B. It is installed in the underground pipe (P) so as to be disposed between the incoming wire (L) to be introduced into.

At this time, the panel 10, having a diameter smaller than the underground pipe (P), gives a natural flow when an earthquake occurs, the rat climbing the inner wall of the underground pipe (P) does not move to the connecting table (20). This is to prevent it.

The connecting table 20 cross-inserts an insertion portion 21 inserted into the center of the panel 10 and extends downward from the insertion portion 21 and penetrates the panel 10 and connects with the incoming wire L. FIG. It consists of a first connecting portion 22 and a second connecting portion 23 extending upward from the insertion portion 21 and connected to the lead wire (L '). At this time, the first connection portion 22 and the lead wire (L), the second connection portion 23 and the lead wire (L ') are each end bolted and connected to each other.

On the other hand, the insertion portion 21 of the connecting table 20 is formed in the cross shape, in order to ensure that the connecting table 20 is stably fixed to the panel 10.

The spring 30 has a panel fixing part 31 fixed to the side of the panel 10, and an underground pipe fixing part 32 fixed to an inner wall of the underground pipe P so as to be horizontal with the panel fixing part 31. It consists of. At this time, the panel 10 is moved downward while being supported by the spring 30, and the panel fixing part 31 is positioned below the underground pipe fixing part 32 and is supported by the spring 30 to be shot upward. .

Accordingly, the load of the panel 10 is not concentrated on the lead wire L 'and is distributed to the plurality of springs 30, so that the force applied to the second connecting portion 23 of the connecting table 20 when the external force is applied is weak. Become.

According to an exemplary embodiment of the present disclosure, as shown in FIG. 5, the connecting table 20 and the panel 10 are inserted so that the insertion part 21 of the connecting table 20 is first inserted into the panel 10. The unit is fixed to the panel fixing part 31 of the spring 30 to the outside of the panel 10.

Thereafter, the underground pipe fixing part 32 of the spring 30 is fixed to the inner wall of the underground pipe P through the bracket BR. At this time, the spring 30 is provided with a plurality, it is installed along the outer surface of the panel 10.

On the other hand, when the panel 10 is installed in the underground pipe (P) by a plurality of springs 30 as described above, the panel 10 to move downward by its own weight is shot upwards by the plurality of springs 30 Supported.

Subsequently, the first connecting portion 22 of the connecting table 20 is bolted to the end of the lead wire L, and the second connecting portion 23 is bolted to the lead wire L '. At this time, while the load of the lead wire (L) is distributed by the plurality of springs 30, the load applied to the portion where the lead wire (L ') and the second connecting portion 23 is bolted fastened.

In the state as installed above, when an earthquake occurs, the distribution box (C), underground pipe (P) and the like move along with the movement of the ground. At this time, the inlet wire L, the outgoing wire L ', the panel 10, and the connecting table 20 are moved up and down by inertia, and the connecting portion of the incoming wire L and the connecting table 20, the outgoing wire L ') And the connecting portion of the connecting table 20, the connection portion of the switchboard (B) and the lead wire (L') will take a considerable force.

On the other hand, when the lead wire L, the lead wire L ', the panel 10, and the connecting table 20 move up and down as described above, the lead wire L and the lead wire L by the plurality of springs 30. The panel 10 and the connecting table 20 are buffered, and the force applied to the connecting portion between the components is weakened by such a buffering force, and the connecting portion between the components is not disconnected.

In addition, the present invention, the underground pipe (P) inner wall and the panel 10 is spaced apart a predetermined interval, a plurality of springs 30 are arranged so as to be spaced apart from each other, the rod that climbs the underground pipe (P) inner wall connecting rod You can't move easily to 20.

The above description may be one embodiment as the contents of Patent No. 0905762 included in the present invention, and the main features of the present invention are those disclosed in FIG. 6 which is another embodiment further improved to include the embodiments.

As shown in FIG. 6, in another embodiment of the present invention, the connection structure between the lead wire L and the lead wire L ′ is further improved while maintaining the structure of the panel 10 as it is.

That is, as shown in the connecting table 20 is fixed to the panel 10, the fixing structure is the same as the above-described embodiment.

However, in another embodiment according to the present invention, the shock absorbing property is maximized by improving the connecting structure, that is, the connecting structure between the connecting table 20 and the incoming wire L and the connecting table 20 and the outgoing wire L '. Is configured to.

To this end, a first connector 220 for elastically connecting the connecting rod 20 and the lead wire L is further provided, and further stretched between the connecting rod 20 and the lead wire L '. The second connector 230 is further provided for connecting with.

In this case, the first and second connectors 220 and 230 perform a kind of shock absorber function and improve the structures of the first connector 22 and the second connector 23.

More specifically, as shown in FIG. 7, a first conductive roll 222 is first installed at an upper end of the lead wire L for connection with the first and second connectors 220 and 230.

The reason why this is possible is that the lead wire L and the lead wire L 'are not plate-shaped connection terminals, but the plate-shaped connection terminals.

The first conductive roll 222 is inserted through the lead wire L in the thickness direction through the first conductive roll shaft 224, and the first fixing nut 226 is fastened to be fixed to the fitted end. .

Therefore, the first conductive roll 222 maintains the rotatable state with the first conductive roll shaft 224 as a supporting point.

In addition, the first connector 220 is a plate-shaped conductor, and a part of the first buffer guide hole H1 having a long hole shape vertically is penetrated in the thickness direction.

In this case, the width of the first buffering induction (H1) should be formed to correspond to the diameter of the first conductive roll 222, the first conductive roll 222 is formed in a saddle shape for ease of operation. do.

Therefore, the first conductive roll 222 is in contact with the first buffer guide hole (H1) while being in contact with the cloud to maintain a state capable of flowing in the longitudinal direction.

In addition, the lower end of the connecting rod 20 is provided with a connection structure for the same coupling, for example, the first connecting rod conductive roll 20a is also penetrated through the first connecting rod conductive roll shaft 20b at the lower end of the connecting table 20. It is fixed and supported by the first connecting rod fixing nut (20c).

In addition, the first connecting rod conductive roll 20a is inserted into the upper side of the first buffering guide (H1) while maintaining the flowable state in the longitudinal direction while in contact with the cloud, it is also formed in a saddle shape.

In addition, a first buffer holding spring (SP1) is interposed between the first connecting rod conductive roll (20a) and the first conductive roll 222 to maintain the elastic repulsion.

In this case, the first buffer holding spring (SP1) may be fixed in the middle part of the length so that it is not easily separated from the first buffering guide (H1). In other words, the top and bottom of the first buffer holding spring (SP1) is configured to maintain the free end of the idle, and only the middle of the length is fixed to maintain the buffer function, thereby the first connecting rod conductive roll (20a) and the first Since it does not have to be fixed with each of the conductive rolls 222, they do not affect their rolling motion.

The same structure applies to the lead wire L 'connection structure as it is.

That is, the second conductive roll 232 is provided at the lower end of the lead wire L '.

The second conductive roll 232 is inserted through the lead wire L 'through the second conductive roll shaft 234 in the thickness direction, and the second fixing nut 236 is fastened to the fitted end to fix it. do.

Therefore, the second conductive roll 232 is maintained in a rotatable state with the second conductive roll shaft 234 as a supporting point.

In addition, the second connector 230 is a plate-shaped conductor, and a part of the second buffering hole H2 having a long hole shape vertically is penetrated in the thickness direction.

In this case, the width of the second buffering guide (H2) should be formed to correspond to the diameter of the second conductive roll 232, the second conductive roll 232 is formed in a saddle shape for ease of operation. do.

Therefore, the second conductive roll 232 is maintained in the state capable of flowing in the longitudinal direction while in contact with the cloud while being fitted in the second buffering guide (H2).

In addition, the upper end of the connecting rod 20 is provided with a connection structure for the same coupling, for example, the second connecting rod conductive roll 20d also penetrates through the second connecting rod conductive roll shaft 20e on the upper end of the connecting table 20. It is fixed and supported by the second connecting rod fixing nut 20f.

Then, the second connecting rod conductive roll 20d is inserted into the lower side of the second buffer guide hole (H2) while maintaining a flowable state in the longitudinal direction while in contact with the cloud, it is also formed in a saddle shape.

In addition, a second buffer holding spring (SP2) is interposed between the second connecting rod conductive roll (20d) and the second conductive roll (232) to maintain the elastic repulsion.

In this case, the second buffer holding spring (SP2) may be fixed in the middle portion of the length so that it is not easily separated from the second buffering guide (H2). In other words, the top and bottom of the second buffer holding spring (SP2) is configured to maintain an idle free end, and only the middle of the length is fixed to maintain the buffer function, thereby the second connecting rod conductive roll (20d) and the first Since it does not have to be fixed with each of the two conductive rolls 232, they do not affect their rolling motion.

With such a configuration, when a strong external shock wave arrives, the incoming wire L, the connecting table 20, the connecting table 20, and the outgoing wire L 'are respectively centered on the first and second connection ports 220 and 230. As it flows, breakage or breakage is prevented through elastic cushioning and shock absorption, thereby enabling more stable power supply.

10; Panel 20; Connections
30; Spring 220; 1st port
230; 2nd port

Claims (1)

Underground distribution line connector, which is installed in underground pipe (P) communicating with distribution box (C) installed on the ground, interconnects incoming wire (L) drawn from the power supply source and drawn out wire (L ') drawn from the switchboard (B). In addition, the connector 10 is an insulating material disposed inside the underground pipe (P) so that the connector is disposed between the lead wire (L) and the lead wire (L '), and the cross-shaped insertion portion inserted into the panel 10 And a first connecting portion 22 extending downward from the inserting portion 21 and connected to the lead wire L through the panel 10, and extending upwardly from the inserting portion 21. 10, a connecting rod 20 which is a conductive material consisting of a second connecting portion 23 connected to the lead wire L 'and a panel fixing part 31 fixed to the side of the panel 10, and underground pipes. (P) at least two or more springs 30, which are composed of underground pipe fixing parts 32 fixed to the inner wall, and exerts the panel 10 upward. In the distribution board connection dedicated connector of the spring songjijung distribution line;
The first connection portion 22 and the second connection portion 23 is further connected to the first and second connection holes 220 and 230, respectively, so as to be shock-absorbable,
First and second buffer guide holes H1 and H2 having long holes are formed in the first and second connection holes 220 and 230, respectively;
The first connecting rod conductive roll 20a fitted to the first buffer guide hole H1 and the first connecting rod conductive roll 20a are rotatable at a lower end of the connecting table 20 constituting the first connecting portion 22. A first connecting rod conductive roll shaft 20b penetrating the connecting rod 20 in a thickness direction and a first connecting rod fixing nut 20c for fixing the first connecting rod conductive roll shaft 20b so as to be supported;
A first conductive roll 222 fitted to the first buffer induction hole H1 and a first conductive roll 222 rotatably support the first conductive roll 222 on an upper end of the incoming wire L. A first conductive roll shaft 224 penetrating in the thickness direction and a first fixing nut 226 for fixing the first conductive roll shaft 224;
A first buffer holding spring (SP1) is interposed between the first connecting rod conductive roll (20a) and the first conductive roll (222);
The second connecting rod conductive roll 20d fitted to the second buffer guide H2 and the second connecting rod conductive roll 20d are rotatable at an upper end of the connecting table 20 constituting the second connecting portion 23. A second connecting rod conductive roll shaft 20e penetrating the connecting rod 20 in a thickness direction and a second connecting rod fixing nut 20f for fixing the second connecting rod conductive roll shaft 20e so as to be supported;
At the lower end of the lead wire L ', the lead wire L' is rotatably supported by the second conductive roll 232 and the second conductive roll 232 inserted into the second buffering guide H2. A second conductive roll shaft 234 penetrating through the thickness direction) and a second fixing nut 236 for fixing the second conductive roll shaft 234;
A second buffer holding spring SP2 is interposed between the second connecting rod conductive roll 20d and the second conductive roll 232 to buffer the connection between the terminals during an external impact. connector.

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