KR100918689B1 - Underground line stopper - Google Patents

Abstract

PURPOSE: An underground installation power distribution electrical wire stopper is provided, which enables to stably prepare the earthquake by achieving supporting force and buffer force. CONSTITUTION: An underground installation power distribution electrical wire stopper includes an underground piping of the square pipe shape, a connector(100), and a supporting apparatus(200). The underground piping is formed as follows. The support stand receiving part is formed upward and downward along the inner surface. The penetration part connected to the support stand receiving part is opened to the lateral part. A support stand catching part is formed to face the support stand receiving part and buried under the ground. The upper part is connected to power-supplies installed on the ground. The connector is arranged on the top of the support stand receiving part of the underground piping. The supporting apparatus includes a case, a support stand, a spring, a solenoid, a detection sensor, and a control unit.

Description

Underground distribution line stopper {Underground line stopper}

The present invention relates to a buried underground distribution wire stopper.

As is well known, underground cables are buried in the basement of the city for supplying power to the respective consumers.

This is because the installation of underground power lines can make the aesthetics of the city more beautiful and space utilization more efficient than the installation of the ground, and in recent years, the usage trend is gradually increasing.

Such underground cables are installed in underground pipes buried underground, as shown in FIG. 1, and are connected to the distribution boards B installed on the ground via connectors.

The connector is connected to a lead 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). do.

However, if a disconnection or the like occurs in the connector, it is impossible to stop the incoming wire L falling downward, and the incoming wire L is placed in an unspecified position.At this time, a short circuit occurs from the disconnected connector, which is dangerous. The situation was brought about.

In addition, when an earthquake occurs, the low back pain is transmitted directly to the connector by the external force generated from the incoming wire (L) and the outgoing wire (L '), which causes the connector is disconnected, and a short circuit occurs at the disconnected end, An accident such as an electric shock or fire has occurred.

The present invention is to solve the above problems, the mouse is not easily accessible, to support the outgoing wire from the power supply stably, to solve the problem to provide an underground buried distribution wire stopper with a seismic function Shall be.

The present invention for solving the above problems, the support receiving portion is formed up and down along the inner surface, the through portion communicating with the support receiving portion is opened to the side, the support catching portion is formed to face the support receiving portion to the ground Underground pipes buried in the shape of a square tube, the top of which is in communication with the distribution box installed on the ground; A panel made of an insulating material disposed inside the underground pipe so as to be arranged between a lead wire drawn from a power supply source and a lead wire drawn from a switchboard, a cross-shaped insert inserted into the panel, extending downward from the insert and penetrating the panel A connecting rod which is a conductive material consisting of a first connection part connected to the incoming wire, a second connection part extending upwardly from the insertion part and connected to the outgoing wire through the panel, the panel fixing part fixed to the side of the panel, and the underground A connector, which is composed of underground pipe fixing parts fixed to the inner wall of the pipe, having at least two or more springs that exert the panel upward, and is disposed on an upper portion of the support receiving portion of the underground pipe; An opening is formed at the side surface to communicate with the through part of the underground pipe, the case disposed adjacent to the underground pipe, the support part rotatably installed in the support receiving portion of the underground pipe, and the through hole are formed and extend from the support part. A support having an engaging portion introduced into the interior, a supporting portion formed on the supporting portion and the engaging portion, a guide portion through which the incoming wire passes, a spring supporting the elastic support so as to close the underground pipe, and a plunger removably inserted into the through hole of the supporting portion. It is equipped with a solenoid built into the case, and installed on the inner surface of the underground pipe so as to be disposed above the case, a sensor for detecting the connector drop, and built in the case, the solenoid operates when receiving a connector drop signal from the sensor It characterized in that it comprises a support device having a control unit to make.

According to the present invention as described above, the falling connector is not placed in an unspecified position, there is no electric shock caused by a short circuit, and by having a sufficient support and buffering force through the spring, it is possible to stably cope with earthquakes, By preventing the access of the mouse to prevent the disconnection of the connector, there is an effect that the electricity flowing to the connector is not short-circuited.

1 is a cross-sectional view showing a conventional invention,

Figure 2 is an overall view showing a buried underground distribution wire stopper according to the present invention,

3 is a view showing a portion X of FIG.

4 is a view showing a portion Y of FIG.

5 is a view showing a portion Z of FIG.

6 is a plan sectional view of FIG.

7 is a view showing a panel according to the present invention,

8 is a schematic view showing a buried underground distribution stopper according to the present invention;

9 to 11 is a view showing the action of the underground buried distribution wire stopper according to the present invention.

-Explanation of terms for main parts of attached drawings-

100; Connector 10; Panel 120; Connecting rod 121; Insert 122; First connection part 123; Second connection portion 130; Spring 200; Support device

210; Case 220; support fixture

230; Spring 240; Solenoid

250; Detection sensor 260; Control unit

Hereinafter will be described in detail with reference to the accompanying drawings.

FIG. 2 is an overall view of a buried underground distribution wire stopper according to the present invention, FIG. 3 is a view showing a portion X of FIG. 2, FIG. 4 is a view showing a portion Y of FIG. 2, and FIG. 5 is a view of FIG. 2. FIG. 6 is a cross-sectional view of FIG. 2, FIG. 6 is a view showing a panel according to the present invention, and FIG. 8 is a block diagram showing an underground buried distribution stopper according to the present invention. Referring to 2 to 8, the underground buried distribution wire stopper according to the present invention will be described.

The underground buried distribution wire stopper according to the present invention is a connector for connecting underground pipes (P) buried in the ground, the lead wire (L) from the power supply source, and the lead wire (L ') from the switchboard (B). 100 and the support device 200 which prevents the connector 100 from falling.

At this time, the distribution box (C) in which the switchboard (B) is built in the upper portion of the underground pipe (P), the interior of the distribution box (C) and the upper portion of the underground pipe (P) is in communication.

The underground pipe (P) has a rectangular pipe shape, the support receiving portion (P1) formed up and down along the inner surface, the through portion (P2) opened laterally in communication with the support receiving portion (P1), It consists of a support catching portion (P3) formed to face the support receiving portion (P1).

At this time, the support receiving portion P1 and the support catching portion P3 have a rectangular panel shape.

The connector 100 includes an insulating material 110 disposed inside the underground pipe P to be disposed between the lead wire L and the lead wire L ', the lead wire L and the lead wire ( L ') is composed of a connecting rod 120 of a conductive material and at least two or more springs 130 extending upwardly to the panel 110.

The panel 110 has a rectangular plate shape having a diameter smaller than that of the underground pipe P, and includes a lead wire L 'drawn from the switchboard B and a lead wire drawn from the power supply source and drawn into the switchboard B. FIG. It is arrange | positioned between (L), and is located in the underground pipe P so that a movement is possible.

At this time, the panel 110, 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 rod (120). This is to prevent it.

The connecting rod 120 has a cross-shaped insertion portion 121 inserted into the center of the panel 110, extends downward from the insertion portion 121 and penetrates the panel 110 to connect with the lead wire L. It consists of a first connection portion 122 and a second connection portion 123 extending upward from the insertion portion 121 and connected to the lead wire (L '). At this time, the first connection portion 122 and the lead wire (L), the second connection portion 123 and the lead wire (L ') are each end bolted and connected to each other.

On the other hand, the insertion portion 121 of the connecting rod 120 is formed in the cross shape, to ensure that the connecting rod 120 is fixed to the panel 110 stably.

The spring 130, the panel fixing part 131 is fixed to the side of the panel 110, and the underground pipe fixing part 132 is fixed to the inner wall of the underground pipe (P) to be horizontal with the panel fixing part 131. It consists of. In this case, the panel 110 is moved downward while being supported by the spring 130, and the panel fixing part 131 is positioned below the underground pipe fixing part 132 and is supported by the spring 130 upwards. . Therefore, the load of the panel 110 is not concentrated on the lead wire L 'and is distributed to the plurality of springs 130 so that when the external force is applied, the force applied to the second connecting portion 123 of the connecting rod 120 is weak. Become.

The support device 200, the case 210 is installed on the outer surface of the underground pipe (P), the support member 220 of the insulating material is rotatably installed on the inner surface of the underground pipe (P), the support 220 The spring 230 to support the shot downwards, the solenoid 240 inherent in the case 210, the detection sensor 250 for detecting the fall of the connector 100, and the connector drop signal from the detection sensor 250 Received is composed of a control unit 260 for operating the solenoid 240.

The case 210 has an opening 211 communicating with the penetrating portion P2 of the underground pipe P at a side thereof, and is disposed on the outer surface of the underground pipe P so as to be located below the connector 100.

 The support stand 220 includes a rectangular panel-shaped support part 221, a locking part 222 extending laterally from the support part 221 and inserted into the case 210, a support part 221 and a locking part 222. Consists of a guide portion 223 formed along the longitudinal direction in the center of the.

The support part 221 is formed with a guide part 223 through which the incoming wire L passes, and an insertion part 221a which is horizontally penetrated at the lower end part thereof, and has underground pipes through the rotation shaft H. (P) is rotatably installed at the lower end of the support receiving portion (P1). At this time, the guide portion 223, it is preferable that a sufficient space is formed so that the lead wire (L) can pass when the support portion 221 rotates.

The locking portion 222 is formed with a through hole h penetrating up and down, and penetrates the through part P2 of the underground pipe P and the opening 211 of the case 210 to form the case 210. Is inserted into. In this case, the through holes h are preferably formed to face each other with respect to the guide part 223 formed in the locking part 222.

On the other hand, the penetrating portion (P2) of the underground pipe (P) and the opening portion 211 of the case 210 is preferably provided with a sufficient space so as not to be limited to the rotation when the locking portion 222 is rotated.

The spring 230 is a general torsion spring, one end is fixed to the support receiving portion (P1) of the underground pipe (P), the other end is fixed to the support 221 of the support 220, the support 220 Support the ball to rotate downward. At this time, when the connector 100 falls, it is preferable that the spring 230 has an appropriate elastic force so that the rotation of the support 220 is faster than the fall of the connector 100.

The solenoid 240 has a plunger 241 removably inserted into the through hole h of the support 220, and is installed in the case 210. At this time, the locking portion 222 of the support 220 is caught by the plunger 241.

On the other hand, the case 210 and the solenoid 240 is preferably provided to correspond to the through hole (h) of the support (220). This is to more stably support the support 220 through the solenoid 240.

The detection sensor 250 is a conventional ultrasonic sensor, is installed on the inner surface of the underground pipe (P) to be disposed above the case 210, the connector 100 detects the fall. That is, the detection sensor 250 normally transmits ultrasonic waves to the inner surface of the underground pipe (P) opposite, and when an abnormality occurs and the connector 100 falls, reception of the ultrasonic waves transmitted by the falling of the connector 100. If the volume changes, detect it.

The control unit 260 is installed in the case 210, and operates to control the sensor 250, when the connector drop signal is received from the sensor 250 to operate the solenoid 240, the solenoid 240 The plunger 241 is to be separated from the through hole (h) of the support engaging portion 222.

Hereinafter, the operation of the underground buried distribution wire stopper according to the present invention will be described.

First, referring to FIG. 3, the installation process of the connector 100 is as follows. The insertion part 120 of the connecting part 120 is inserted into the panel 110 so that the connecting part 120 and the panel 110 are inserted into the panel 110. ) Is made integral, and the panel fixing part 131 of the spring 130 is fixed to the outer surface of the panel 110.

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Thereafter, the underground pipe fixing part 132 of the spring 130 is fixed to the inner wall of the underground pipe P through the bracket BR. At this time, the spring 130 is provided with a plurality, it is installed along the outer surface of the panel 110.

On the other hand, when the panel 110 is installed in the underground pipe (P) by the plurality of springs 130 as described above, the panel 110 to move downward by its own weight is shot upwards by the plurality of springs 130 Supported.

Subsequently, when the first connection portion 122 of the connecting table 120 is bolted to the end of the lead wire L, and the second connection portion 123 is bolted to the lead wire L ', shown in FIG. 3. As described above, the incoming wire (L) is elastically supported on the plurality of springs (130).

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, as shown in FIG. 9, the lead wire L, the lead wire L ', the panel 110, and the connecting rod 120 are moved up and down by inertia, and the connecting portion between the incoming wire L and the connecting rod 120 is provided. Significant force is applied to the connection portion of the lead wire (L ') and the connection table 120, the connection of the switchboard (B) and the lead wire (L').

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On the other hand, when the lead wire L, the lead wire L ', the panel 110, and the connecting rod 120 move up and down as described above, the lead wire L and the lead wire L by the plurality of springs 130. The panel 110 and the connecting table 120 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.

As described above, in the present invention, the connection between the components is not easily disconnected, but when the elastic force of the spring 130 is extinguished by the strong external force and the connection between the components is disconnected, the connector 100 falls.

At this time, the detection sensor 250 detects the fall of the connector 100, and transmits a drop signal to the control unit 260, the control unit 260 receives the operation by operating the solenoid 240, Figure 10 As such, the plunger 241 of the solenoid 240 is separated from the through hole h of the support catching portion 222.

When the solenoid 240 operates as described above, by the elastic force of the spring 230 of the support device 200, the support 220 is rotated about the rotation axis (H), as shown in Figure 11 the bottom of the support 221 The support is caught by the supporting portion P3 of the underground pipe (P).

At this time, the falling connector 100 is no longer falling while being caught by the support 221 of the support 220 as shown in FIG.

As described above, in the underground embedding type distribution wire stopper according to the present invention, even if the connector 100 is disconnected, the position of the incoming wire L does not move unspecifically, and electricity from the incoming wire L is shorted to the outside. There is no effect.

In addition, even if an earthquake occurs, the external force is less applied to the connection between the components, each component is connected safely, no short circuit, etc., the rat is not accessible to the connecting rod 120, so that the rat is not electrocuted , The body of the rat does not cause microorganisms, odors, etc., the internal environment of the underground pipe (P) is clean.

Claims (1)

The support accommodating part P1 is formed up and down along the inner surface, the through part P2 communicating with the support accommodating part P1 is opened laterally, and the support catching part P3 is connected to the support accommodating part P1. Underground pipes (P) which are formed to face each other and are buried in the ground and communicate with a distribution box (C) installed on the ground; The panel 110 and the panel 110 which are insulating materials disposed inside the underground pipe P so as to be disposed between the lead wire L drawn from the power supply source and the lead wire L 'drawn from the switchboard B. A cross-shaped insertion portion 121 inserted into the first portion, a first connection portion 122 extending downward from the insertion portion 121 and penetrating the panel 110 to be connected to the lead wire L, and the insertion portion 121. Connecting rod 120 is a conductive material consisting of a second connecting portion 123 extending upwardly from the through-out panel 110 and connected to the lead wire (L '), and the panel fixing part fixed to the side of the panel 110 131 and the underground pipe fixing part 132 fixed to the inner wall of the underground pipe P, and having at least two or more springs 130 to release the panel 110 upward, the underground pipe P A connector 100 disposed on an upper portion of the support receiving portion P1; An opening 211 is formed at the side surface and communicates with the through part P2 of the underground pipe P, the case 210 disposed adjacent to the underground pipe P, and the support receiving portion of the underground pipe P ( A support part 221 rotatably installed at P1, a through hole h is formed, and a locking part 222 extending from the support part 221 and drawn into the case 210, and engaging with the support part 221. A support 220 formed in the portion 222 and having a guide portion 223 through which the incoming electric wire L passes, a spring 230 which supports the carbon support so that the support 220 closes the underground pipe P; Equipped with a plunger 241 removably inserted into the through-hole (h) of the support (220), the ground pipe (P) to be disposed above the case 210 and the solenoid 240 in the case 210; ) Is installed on the inner surface, the sensor sensor 250 for detecting the fall of the connector 100, and is installed in the case 210, when receiving the connector drop signal from the sensor 250 The control unit 260 is equipped with a support device (200) for operating the solenoid 240; Underground buried distribution wire stopper, characterized in that it comprises a.