KR101621351B1

KR101621351B1 - Distributing case installed in an overhead electric power line

Info

Publication number: KR101621351B1
Application number: KR1020150142140A
Authority: KR
Inventors: 남학균
Original assignee: (주)혜광
Priority date: 2015-10-12
Filing date: 2015-10-12
Publication date: 2016-05-16

Abstract

More particularly, the present invention relates to a processing wire connection type power distribution box, and more particularly, to a processing wire connection type power distribution box in which, when a fire occurs inside a power distribution box case, the socket and the plug, The present invention relates to a wire connection type power distribution box.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an overhead electric power line

[0001] The present invention relates to a power line connection type power distribution unit in an electric power distribution technology field, and more particularly, to a power line connection type power distribution unit in which, when a fire occurs inside a power distribution unit case, a socket and a plug, Thereby preventing breakage of the wire.

In general, a large number of electric devices such as insulators or wire rods and transformers for supporting working wires are installed in the electric pole.

Since these facilities are exposed to the outside, frequent failures occur and workers who repair the equipment are repaired from time to time.

Workers often use electrical equipment to repair broken equipment, but workers who climbed up the previous week were unable to get power to use electrical equipment, so they had to recharge their electrical equipment and go up to the poles.

At this time, when the electric equipment is discharged, a worker has to come down to the lower part of the electric pole, and a distribution box capable of using a commercial voltage is installed in the upper part of the electric pole.

However, when a fire occurs in the power distribution box, the flame spreads along the power line to the transformer, and the transformer is damaged.

In order to solve this problem, Korean Patent Registration No. 10-0877123 (Dec. 26, 2008) 'Processed wire connection type distribution box' has been disclosed.

However, in the case of the above-mentioned patent, there is no problem when the two wires are disconnected at the same time. However, when one side is first disconnected, the socket support can not be dropped while being tilted to one side, At this time, if the socket and the plug are not separated, there is a problem that the flame spreads through the power line to the transformer and causes breakage of the transformer.

In addition, since the socket and the plug are kept in a state of being kept in a safe state, they can not be loosely fitted, so that a considerable amount of force is applied to pull them apart. As described above, only one side of the wire is broken, .

Korea Patent Registration No. 10-0877123 (Dec. 26, 2008) 'Machined Wire Connection Type Distribution Box'

SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the above-mentioned problems occurring in the prior art, and it is an object of the present invention to provide a power supply apparatus and a power supply apparatus capable of quickly and safely and accurately separating a socket and a plug, Which is connected to the main body of the apparatus.

The present invention provides a means for achieving the above object, comprising: a power distributing box case (10) having a door (11) and fixed to a solid iron (F) of a pole (P); A distribution board (30) installed in the distribution box case (10) and supplied with a commercial voltage from a transformer installed in the electric pole (P); A socket support 40 having a plate shape horizontally disposed below the switchboard 30 and having through holes 126 formed at both ends thereof so as to penetrate up and down; A socket 51 connected to the power line L1 from the transformer and fixed to the center of the upper surface of the socket supporter 40 and a socket 51 connected to the power line L2 from the switchboard 30, A connector (50) having a plug (52) connected thereto; A fixing ring R fixed to the center of the lower end surface of the power distribution board 30; And first and second fixing wires (61b, 62b) one end of which is fixed to the fixing ring (R);

Support housing (100) is installed symmetrically on both sides of the inner bottom surface of the cabinet case (10); The support housing 100 is composed of a lower housing 100a and an upper housing 100b so that the support housing 100 can be assembled partly by a part of the length thereof; A through hole 110 is formed at the center of the upper surface of the upper housing 100b. A through hole 110 is formed in the upper housing 100b. A flange 130 is formed at a lower end of the flow rod 120 so as to be hooked on a ceiling surface of the upper housing 100b; An upper ring 140 is integrally fixed to a center of a lower end surface of the flange 130; A lower ring 150 is integrally fixed to an inner bottom surface of the lower housing 100a; Each end of the compression spring 160 is coupled to the upper ring 140 and the lower ring 150, respectively; An extension rod 122 is screwed to an upper end surface of the flow rod 120. A rod ring 124 is integrally fixed to the upper end of the extension rod 122, Is formed to be smaller than the radius of the rod 120 and the rod 124, and is formed larger than the rod 122; The lower ends of the first and second fixing wires 61b and 62b are coupled to the rod ring 124, And the pulling force of the compression spring (160) is designed to be larger than the connecting force to which the socket (51) and the plug (52) are connected.

According to the present invention, when a fire occurs inside the case of the power distribution box, the socket and the plug connecting the power line can be completely and automatically separated quickly and safely, and the power transformer breakage can be prevented.

FIG. 1 is a schematic view showing that a working wire connection type distribution box according to an embodiment of the present invention is installed on a pole.
Fig. 2 is a sectional view taken along line AA in Fig. 1. Fig.
3 is a front cross-sectional view of a wired connection-type power distribution box according to an embodiment of the present invention.
FIGS. 4 to 8 are views illustrating the operation of a working cable connection type distribution box according to an embodiment of the present invention.
9 is an exemplary cross-sectional view showing the essential part of another embodiment of the present invention.
FIG. 10 is an exemplary view showing a connection structure of a socket and a plug according to FIG. 9; FIG.

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.

1 to 8, which is the same as the above-mentioned 'Korean Patent Registration No. 10-0877123 (Dec. 26, 2008)' Machined-wire connection type distribution box ' . The present invention further includes other embodiments, and another embodiment to be described later is considered as a modification of the embodiment disclosed in the above-mentioned patent.

1 to 8, a working wire connection type distribution box according to an embodiment of the present invention includes a distribution box case 10 having a door 11 and fixed to a barrel F of a pole P, A door 11 which is rotatably installed in the cabinet 10 and opens and closes the cabinet 10 for opening and closing the cabinet 10, an electric distribution board 30 which is installed in the cabinet 10 and receives a commercial voltage from a transformer installed in the electric pole P, A power supply line L1 from the transformer and a power line L2 from the power distribution board 30 are electrically connected to each other through a socket support 40 disposed in the case 10 in the transverse direction, , And a hanger (60) for fixing the socket support base (40).

The cabinet case 10 is opened to the front and fixed to the lower surface of the barrel F via a separate fastening member B1.

At this time, the power distributing box case 10 is installed adjacent to the electric pole P for ease of use by the operator.

The door 11 is rotatably fixed to the front surface of the cabinet 10 to open and close the cabinet 10.

At this time, it is preferable that the door 11 and the cabinet case 10 are hinged to be easily rotated.

The distribution board 30 is installed in the distribution box case 10 via the bracket B2 and receives a commercial voltage from a transformer installed in the electric pole P. [

At this time, the switchboard 30 is provided with a plurality of electrical connectors C so that a commercial voltage can be drawn through the electrical connector C.

The socket support 40 is formed in a square panel shape and has a first T-shaped portion 41 having a T shape at its end and penetrating the upper and lower portions. The second fixing portion 41 is formed to face the first fixing portion 41, (42) are formed.

The first and second fixing portions 41 and 42 have first and second fastening portions 41a and 42a and first and second fastening portions 41a and 42a, And first and second stop portions 41b and 42b which communicate with the first and second stop portions 41a and 42a and are disposed on the inner surface side of the power distributing case 10, respectively.

The connector 50 is composed of a socket 51 fixed to the center of the socket support 40 and a plug 52 detachably connected to the socket 51.

The socket 51 has a socket terminal 51a electrically connected to the power line L1 from the transformer and the plug 52 is electrically connected to the power line L2 from the switchboard 30 The plug terminal 52a is inserted.

By fixing the socket 51 to the socket supporter 40, the socket 51 and the plug 52 are separated when the socket supporter 40 moves downward, so that power supply from the transformer to the distributor 30 .

The hanger 60 includes a first support member 61 connected to the first securing portion 41 of the socket support 40 and a second support member 62 connected to the second securing portion 42 do.

At this time, the first and second support members 61 and 62 include first and second engagement members 61a and 62a which are engaged with the first and second engagement portions 41a and 42a of the socket support 40, First and second fixed wires 61b and 62b connected to the first and second latching members 61a and 62a and the other end fixed to the power line L2 drawn from the switchboard 30, The first and second guide wires 61c and 62c are fixed to the two engaging members 61a and 62a and the other end is fixed to be positioned above the socket support 40. [

The first and second latching members 61a and 62a have a larger width than the first and second latching portions 41a and 42a so as to be separated from the hanger 60 when the socket support 40 is slanted and slid , And the first and second stop portions 41b and 42b.

The first and second fixing wires 61b and 62b are disposed opposite to each other through a fixing ring R positioned at the lower portion of the switchboard 30 so as to fix the socket support 40 in a horizontal position.

When the first and second fixing wires 61b and 62b are broken, the first and second guide wires 61c and 62c are moved toward the inner surface of the case 10 So that the socket support 40 can be easily separated from the hanger 60.

4 to 8 are views for explaining the operation of the wired connection line type power distribution box according to the embodiment of the present invention. Referring to Figs. 4 to 8, the operation of the wired connection line type power distribution box according to one embodiment of the present invention will be described As follows.

2, when a fire occurs inside the switchboard 30, the flame spreads along the electric wire inside the switchboard 30 and is expanded to the electric power line L2.

At this time, when the first fixing wire 61b is cut off, the socket support 40 slants obliquely, and the first retaining member 61a is moved to the first retaining portion 41b of the first fixing portion 41 by its own weight, 4 and 5, and when the socket support 40 is further inclined as shown in Fig. 6, the first retaining member 61a is separated from the first retaining portion 41 of the socket support 40. Fig.

7, the second engaging member 62a of the second supporting member 62 is engaged with the second recessed portion 62a of the socket support 40. As a result, 42a so that the second latching member 62a is disengaged from the second latching portion 42a.

Therefore, as shown in FIG. 8, the socket support 40 moves downward due to its own weight, and the connection between the socket 51 and the plug 52 is released, so that the flame does not advance further.

Nevertheless, in the case of the above-described embodiment, the above-mentioned phenomenon may occur, so that it is necessary to further supplement it. For this purpose, another embodiment as shown in FIG. 9 can be disclosed.

As shown in FIG. 9, the support wire housing 100 according to another embodiment of the present invention is installed symmetrically on both sides of the inner bottom surface of the cabinet 10.

The support housing 100 is vertically erected and its lower end is bolted.

Particularly, the support housing 100 has a mutually assembled structure in which a part of its length is segmented. The support housing 100 includes a lower housing 100a and an upper housing 100b, both of which are screwed together.

The reason for separating the support housing 100 in this way is to facilitate installation of the interior parts.

A through hole 110 is formed at the center of the upper surface of the upper housing 100b and a through hole 110 is formed in the upper housing 100b so as to be able to move up and down. A flange 130 is formed on the upper surface of the upper housing 100b so as to be hooked on the ceiling surface of the upper housing 100b, that is, inside the upper surface, thereby preventing the flow rod 120 from being detached.

At this time, the flow rod 120 is assembled by inserting the flow rod 120 from below into the upper housing 100b and the lower housing 100a while separating the upper housing 100b and the lower housing 100a from each other, It is possible to assemble easily and quickly.

In addition, the upper ring 140 is integrally fixed to the center of the lower end surface of the flange 130, the lower ring 150 is integrally fixed to the center of the inner bottom surface of the lower housing 100a, And each end of the compression spring 160 is coupled to the lower ring 150 and the lower ring 150, respectively.

Accordingly, since the compression spring 160 always exerts a pulling force, the flow rod 120 is held in a state receiving a force to move downward.

An extension rod 122 having a smaller diameter is screwed to an upper end surface of the flow rod 120 and a rod ring 124 is integrally fixed to an upper end of the extension rod 122.

A through hole 126 through which the extension rod 122 can pass is formed in both end portions of the socket support 40. The through hole 126 is formed in the flow rod 120 and the load ring 124 The flow rod 120 is hooked on the lower end surface of the socket support 40 and only passes through the extension rod 122 and is exposed to the upper portion of the socket support 40. [

In this state, the lower end of the first fixing wire 61b is coupled to the rod ring 124. Since the above structure is bilaterally symmetrical, the second fixing wire 62b has the same structure.

In addition, in the above-described structure, since the first and second fixing wires 61b and 62b are tilted, the pulling force is vector-decomposed because the flow rod 120 having a vertical load is pulled at a certain angle, The force F applied to the flow rod 120 is only equal to the length of the first and second fixing wires 61b and 62b × sin θ.

That is, F = l? Sin ?.

Therefore, the wire guide rolls 170 are further provided on the upper side at intervals from the rod ring 124 so that the first and second fixing wires 61b and 62b can be coupled to each other .

On the other hand, the socket 51 installed at the center of the upper surface of the socket support 40 and the plug 52 connected to the socket 51 are deformed as shown in FIG.

That is, the socket 51 has a cylindrical shape with an open upper part, and the lower end is integrally fixed to the center of the upper surface of the socket support 40.

A first terminal D1 of a disk shape is provided in a dome shape and convex on the center of the inner bottom surface of the socket 51 and a circular ring second terminal D2 are convexly disposed, and the first and second terminals D1 and D2 are covered to form a power line L1.

Particularly, on the inner circumferential surface of the socket 51, a fixing groove (GV) recessed in a semicircular shape is formed along the circumferential surface.

A convex portion DV fitted to the fixing groove GV protrudes from the circumferential surface of the plug 52. A friction member MD is provided at the lower end of the plug 52 including the convex portion DV Lt; / RTI >

The friction member MD is a member made of rubber or silicone and is a means for preventing the plug 52 from being easily released by increasing the frictional force when it is fitted in the fixing groove GV.

However, the first and second fixing wires 61b and 62b are not coupled to each other, and the first and second fixing wires 61b and 62b The force of pulling the compression spring 160 necessarily becomes smaller.

A second energizing terminal T2 that is in contact with the second terminal D2 is removably screwed to the lower end surface of the plug 52. The second energizing terminal T2 is connected to the lower end surface of the plug 52, The first energizing terminal T1 is allowed to flow so as to be spaced from the terminal T2.

The power terminal groove 200 is formed at the center of the lower end surface of the plug 52 to flow through the first power terminal T1 so that the lower terminal groove 200a and the upper terminal groove Wherein the upper end of the first electrifying terminal is formed in the shape of a terminal groove 200b and a connection groove 200c and the upper end of the first electrifying terminal T1 is assembled so as to be hooked to the upper terminal groove 200b, The upper terminal groove 200b has a larger vertical width than that of the upper terminal groove 200b so that the upper terminal groove 200b can be vertically moved within the width thereof.

The radius of the upper terminal groove 200b and the lower terminal groove 200a is greater than the radius of the connection groove 200c and the shape of the first energizing terminal T1 is designed correspondingly. And a spring SP is inserted in the connection terminal Tc so that the first energizing terminal T1 is electrically connected to the connection terminal Tc in the downward direction within the lower terminal groove 200a, .

The lower end surfaces of the first and second energizing terminals T1 and T2 are formed to be convex downward.

In addition, the upper terminal Tb is hooked on the upper terminal groove 200b in the form of a hook.

Therefore, when the first energizing terminal T1 receives the pressure from the lower portion, the spring SP is compressed and elastically flows, so that the terminal continuously maintains the contact state to realize a stable connection state.

The electric wires drawn out from the first and second energizing terminals T and T2 are covered to form a power line L2.

With this configuration, when a fire occurs inside the cabinet 10, either one or both of the first and second fixing wires 61b and 62b are disconnected.

Then, since the compression force of the compression spring 160 is lost, the force of the compression spring 160 causes the flow rod 120 to move downward.

Since the rod 122 and the rod 124 are fixed to the upper end of the flow rod 120 and the rod 123 has a larger diameter than the hole 126, It does not pass through the through hole 126 and thereby presses the top of the socket support 40.

Therefore, the socket support base 40 is forcibly pulled by the compressive force of the compression spring 160, so that the socket support base 40 is unconditionally lowered without being caught by the inner wall surface of the distribution case 10.

At this time, since the distance by which the compression spring 160 is pulled and the downward movement of the socket support 40 is designed to be at least such a distance that the plug 52 is at least separated from the socket 51, 51).

This operation is more effective when both of the first and second fixing wires 61b and 62b are cut off, but it is designed to unconditionally separate the plug 52 even if one of the first and second fixing wires 61b and 62b is broken.

Thus, the transformer can be protected from fire.

10: Distribution box case 30: Switchboard
40: socket support 50: connector
60: Hanger

Claims

An electric distribution box case (10) having a door (11) and fixed to a solid iron (F) of electric pole (P); A distribution board (30) installed in the distribution box case (10) and supplied with a commercial voltage from a transformer installed in the electric pole (P); A socket support 40 having a plate shape horizontally disposed below the switchboard 30 and having through holes 126 formed at both ends thereof so as to penetrate up and down; A socket 51 connected to the power line L1 from the transformer and fixed to the center of the upper surface of the socket supporter 40 and a socket 51 connected to the power line L2 from the switchboard 30, A connector (50) having a plug (52) connected thereto; A fixing ring R fixed to the center of the lower end surface of the power distribution board 30; And first and second fixing wires (61b, 62b) one end of which is fixed to the fixing ring (R);
Support housing (100) is installed symmetrically on both sides of the inner bottom surface of the cabinet case (10); The support housing 100 is composed of a lower housing 100a and an upper housing 100b so that the support housing 100 can be assembled partly by a part of the length thereof; A through hole 110 is formed at the center of the upper surface of the upper housing 100b. A through hole 110 is formed in the upper housing 100b. A flange 130 is formed at a lower end of the flow rod 120 so as to be hooked on a ceiling surface of the upper housing 100b; An upper ring 140 is integrally fixed to a center of a lower end surface of the flange 130; A lower ring 150 is integrally fixed to an inner bottom surface of the lower housing 100a; Each end of the compression spring 160 is coupled to the upper ring 140 and the lower ring 150, respectively; An extension rod 122 installed through the passage hole 126 is screwed to an upper end surface of the flow rod 120. A rod ring 124 is integrally fixed to an upper end of the extension rod 122, The passage hole 126 is formed to be smaller than the radius of the flow rod 120 and the rod 124, and is larger than the radius of the rod 122. The lower ends of the first and second fixing wires 61b and 62b are coupled to the rod ring 124, Wherein the pulling force of the compression spring (160) is designed to be larger than the connecting force to which the socket (51) and the plug (52) are connected.