KR102320242B1 - Equipment for connecting underground distribution lines with fire suppression - Google Patents

Abstract

The present invention relates to equipment for connecting an underground distribution line with a fire suppression function, and includes: a supporter unit (100) configured to connect and fix an underground distribution line (L), which is installed and seated on a side wall of an underground tunnel through a fixing means (for example, anchor bolt), and an underground tunnel (T) to each other; a fire extinguisher (200) accommodated in the supporter unit (100) and destroyed by a striking mechanism (140) to discharge an extinguishing agent; a fire detection sensor (300) detecting a fire; a cutting mechanism (400) operating the striking mechanism (140) to destroy the fire extinguisher (200); and a control unit (500) controlling an operation of the cutting mechanism (400). The present invention has an advantage in that the underground distribution line installed in the underground distribution tunnel can be connected to the underground tunnel, in particular, a fire can be quickly detected so that the fire cannot spread to a surrounding area, thereby safely protecting the underground distribution line from being damaged by the fire.

Description

Equipment for connecting underground distribution lines with fire suppression}

The present invention relates to a device for connecting an underground distribution line having a fire suppression function, and more particularly, to interconnecting an underground distribution line installed in an underground tunnel and an underground tunnel, and having a fire suppression function capable of quickly extinguishing a fire in the event of a fire It relates to underground distribution line connection equipment.

In general, a tunnel-type common area is provided underground, and transmission/distribution cables and communication cables are installed in this common area.

Therefore, in order to keep these various types of cables and pipes neatly arranged without interfering with each other, a number of multi-stage hangers are installed on the inner wall of the tunnel type cavity.

By using such a hanger, the cables can be installed separately without being tangled with each other.

As an example of a hanger for installing cables underground, there is a device for installing a power transmission cable in Korean Patent Registration No. 10-0857773, which is a device for installing a power transmission cable, located vertically on the inner surface of the underground cavity. A vertical frame, which is a rectangular tube that becomes A cable support frame, which is an insulating member, in which a support having a plurality of cable grooves is formed vertically at regular intervals is provided.

However, since the conventional devices as described above have a closed space, when a fire occurs in the electric wire installed in the support mechanism, it is not easy to check it from the outside, and it is difficult to extinguish the fire in the initial stage.

1. Republic of Korea Patent No. 10-0985559

An object of the present invention is to provide an underground distribution line connecting device having a fire suppression function that interconnects an underground distribution line installed in an underground tunnel and an underground tunnel, and can quickly extinguish a fire in the event of a fire.

The present invention for achieving the above object,

It is fixed to the side wall of the underground tunnel and forms a step-like shape that slopes downward as it goes away from the side wall. On the horizontal plane forming the stairs, it is arranged adjacent to a pair of protrusion coupling parts and protrusion coupling parts penetrating up and down, and underground distribution lines are seated. The cradle recessed in a semicircular shape is integrally formed so as to be possible, and a guide part that is inclined downward from one side to the other side and communicates with the inside is integrally formed on both sides, and the exit port communicating with the inside is integrally formed on the vertical surface of the distal end forming the stairs. A wire support formed by

Fire extinguisher accommodating room which is integrally formed on the horizontal surface of the front end of the electric wire support, the inside is opened upward, and the discharge port through which the extinguishing agent is discharged is provided on the lower side;

It is provided between the electric wire support and the fire extinguisher accommodating room, the inside is penetrated up and down and the lower part communicates with the electric wire support, and the upper part consists of a striking body accommodating chamber that communicates with the fire extinguisher accommodating room through a guide pipe extending downward; ,

A cover that can be opened and closed on the upper surface of the fire extinguisher accommodating room of the main body;

A guide plate that is accommodated in the main body so that it can be inserted and detached through the outlet of the main body, one end is supported by an idler built into the main body, and a guide plate provided on both sides of the other end with engaging projections movably fitted to the guide portion of the main body;

Resilient force is applied to the striking body so that the upper end of the striking body is inserted into the guide tube of the striking body accommodating room so that the upper end of the striking body can be drawn into the inside of the fire extinguisher accommodating room by resilient force. A striking mechanism composed of a spring provided, a connecting string in which one end is connected to the striking body in a state in which the spring is compressed by the striking body, and the other end is connected to the guide plate to fix the striking body and the guide plate together;

Doedoe forming a rectangular parallelepiped shape, an arc-shaped fitting part recessed in a sector shape with a central angle of 90˚ at one corner is integrally formed to face the outer circumferential surface of the underground distribution line, and a body part with an inclined part inclined downwardly on the upper surface, downward from the lower surface of the body part A wire detention device consisting of a fitting protrusion that protrudes to and is removably fitted to the protrusion coupling portion of the wire support, and a stepped portion protruding upward from both ends of the upper surface of the body portion;

a supporter unit including a fixing pin that is detachably inserted into the wire support so as to pass through the protrusion coupling part and intermittently separates from the wire holding hole from the wire support;

A glass fire extinguisher that is accommodated in the fire extinguisher accommodating room and that is destroyed by the striking body and leaks the filled extinguishing agent;

a fire detection sensor installed in the supporter unit to detect a fire and output a fire detection signal;

a cutting mechanism built into the electric wire support to be disposed in the lower part of the striking body accommodating chamber and comprising a motor and a blade rotated by the motor to cut the connecting line;

It characterized in that it comprises a; by receiving a fire detection signal from the fire detection sensor, the control unit for controlling the operation of the motor so that the blade can cut the connecting line.

The present invention interconnects the underground distribution line installed in the underground tunnel and the underground tunnel, and in particular, in the event of a fire, it can quickly detect and suppress the surrounding area, thereby safely protecting the underground distribution line from damage caused by fire. .

1 is a combined perspective view of an underground distribution line connection device having a fire suppression function according to the present invention.
2 is an exploded perspective view of an underground distribution line connection device having a fire suppression function according to the present invention.
3 is a combined cross-sectional view of an underground distribution line connection device having a fire suppression function according to the present invention.
4 is a cross-sectional view showing a wire detention device separately extracted from an underground distribution line connection device having a fire suppression function according to the present invention.
5a and 5b are a partial perspective view and a cross-sectional view showing a partial configuration including a striking body accommodating room and a striking body in the underground distribution line connection device having a fire suppression function according to the present invention.
Figure 6 is a block diagram showing the correlation between each component in the underground distribution line connection device having a fire suppression function according to the present invention.
7a to 7d are views for explaining the operation of the underground distribution line connection device having a fire suppression function according to the present invention.

Hereinafter, it will be described in detail based on the accompanying drawings.

1 is a combined perspective view of an underground distribution line connecting device having a fire suppression function according to the present invention, FIG. 2 is an exploded perspective view of an underground distribution line connecting device having a fire suppressing function according to the present invention, and FIG. 3 is a fire according to the present invention It is a combined cross-sectional view of an underground distribution line connection device with a suppression function, and FIG. 4 is a cross-sectional view showing a wire detention device separately extracted from an underground distribution line connection device with a fire suppression function according to the present invention, and FIGS. 5a and 5b are It is a partial perspective view and a cross-sectional view separately showing a partial configuration including a striking body accommodating room and a striking body from the underground distribution line connecting device having a fire suppression function according to the present invention, and FIG. It is a block diagram showing the correlation between each component in

1 to 6 , the underground distribution line connection device having a fire suppression function according to the present invention includes a supporter unit 100 and a fire extinguisher 200 , a fire detection sensor 300 , a cutting mechanism 400 and a control unit 500 . ), which interconnects the underground distribution line (L) installed in the underground tunnel (T) and the underground tunnel (T). There is a technical feature that can safely protect the underground distribution line (L) from

The supporter unit 100 is composed of a main body 110, a cover 120, a guide plate 130, a striking mechanism 140, a wire detention device 150, a fixing pin 160 and an idler 170, In the present embodiment, it serves to fix the underground distribution line (L) which is installed and seated on the side wall of the underground tunnel (T: electric power bulb) through a fixing means (eg, anchor bolt).

The main body 110 is composed of a wire support 111, a fire extinguisher accommodating room 112, and a striking body accommodating room 113 to support the underground distribution line (L), and a space in which the fire extinguisher 200 can be accommodated and a strike. It provides an instrument 140 that can be installed.

The wire support 111 is fixed to the side wall of the underground tunnel T via a fixing means (eg, an anchor bolt). This wire support 111 has a stepped step shape that slopes downward as it goes away from the side wall. and the inside is opened downward.

In addition, the electric wire support 111 is integrally formed with a pair of protrusion coupling parts 111a penetrating up and down on a horizontal plane forming a step, and the underground distribution line L is seated in front of the protrusion coupling part 111a. The mounting portions 111b recessed in a semi-circular shape are disposed adjacent to each other.

In the projection coupling portion 111a, the wire retaining device 150 is inserted through the fitting projection 152 and placed on a horizontal surface, whereby the underground distribution line L is fixed to the wire support 111.

And on both sides of the wire support 111, a guide portion 111c that is inclined downward from one side to the other side and communicates with the inside is integrally formed, and the guide portion 111c has a coupling protrusion of the guide plate 130 ( 131) is movably coupled.

Also, an outlet 111d communicating with the inside is integrally formed on the vertical surface of the distal end of the wire support 111, and the guide plate 130 protrudes and protrudes through the outlet 111d.

The fire extinguisher accommodating chamber 112 is integrally formed on the horizontal surface of the front end of the electric wire support 111, and the fire extinguisher accommodating chamber 112 thus formed is opened upwardly inside so that the fire extinguisher 200 can be accommodated, and the lower side An outlet (112a) is formed at the side so that when the fire extinguisher 200 is destroyed, the extinguishing agent liquid flowing out from the fire extinguisher 200 can be discharged to the outside.

For reference, the extinguishing agent discharged through the outlet 112a flows down the stairs of the electric wire support 111 and drips from the end, and if the guide plate 130 protrudes in this process, it is extinguished by the guide plate 130 The chemical is induced and delivered to the supporter unit 100 installed on the opposite side.

The striking body accommodating chamber 113 is interposed between the electric wire support 111 and the fire extinguisher accommodating chamber 112, and the striking body accommodating chamber 113 thus formed has the striking mechanism 140 accommodated.

In particular, the inside of the striking body accommodating chamber 113 is penetrated up and down, and more specifically, holes (see FIGS. 3 and 5a ) are formed in the inner upper and lower surfaces, respectively, and the lower hole is the wire support 111 . and to communicate with each other, and the upper hole was made to communicate with the fire extinguisher accommodating chamber 112 .

In addition, a guide pipe 113a extending downwardly and enclosing the upper hole is integrally formed on the inner upper surface of the striking body accommodating chamber 113, where the guide pipe 113a guides the ascending and descending striking body 141. plays a role

The cover 120 is installed so as to be able to open and close on the upper surface of the fire extinguisher accommodating chamber 112. For this purpose, a protrusion groove is integrally formed on the upper surface of the fire extinguisher accommodating chamber 112, and the lower surface of the cover 120 has a protrusion groove. Corresponding projections are integrally formed and are coupled to each other through the projection groove and projection.

The guide plate 130 is a plate having a predetermined width and thickness, and is built into the main body 110, more specifically, the wire support 111, and is one end by an idler 170 disposed adjacent to the outlet 111d. The sub is supported, and the guide plate 130 installed in this way protrudes and retracts through the outlet 111d.

In addition, coupling protrusions 131 are formed on both sides of the other end of the guide plate 130 , and the coupling protrusions 131 are movably coupled to the guide portion 111c, and if necessary, coupling protrusions 131 . Instead, screw bolts may be applied.

The guide plate 130 drawn out through the outlet 111d prevents the guide plate 130 from being drawn out any more when the coupling protrusion 131 is caught at the end of the guide part 111c so that the guide plate 130 is completely separated from the body 110 . to prevent it from happening.

The striking mechanism 140 is built-in in the striking body accommodating chamber 113 of the main body 110 to strike and destroy the fire extinguisher 200 installed in the fire extinguisher accommodating chamber 112, and the striking body 141 and the spring ( 142) and a connecting line 143.

The striking body 141 is a tubular rod with an inside opening downward, and in this embodiment, it is inserted in the guide pipe 113a of the striking body accommodating chamber 113 so as to be lifted and lowered through the fire extinguisher 200 through the resilient force. It strikes and destroys.

The upper end of the striking body 141 has a dome shape, and a plunger extending horizontally from the outer circumferential surface is integrally formed at the lower end thereof, and in the process of moving the striking body 141 upward by the resilient force, the guide tube 113a ) to minimize the discharge of the extinguishing agent liquid leaked from the fire extinguisher 200 through the guide tube (113a) by hanging on the lower end.

The striking body 141 has an upper end made of a metal material so that it can be easily inserted into the guide tube 113a, and the remaining part is made of a silicon material.

The spring 142 is a conventional coil spring, and in this embodiment, is built into the striking body 141 to provide resilient force so that the striking body 141 can be fired through the elastic restoring force.

The connecting line 143 has one end connected to the striking body 141 in a state in which the spring 142 is compressed by the striking body 141 , and the other end is connected to the induction plate 130 to guide the striking body 141 . It serves to fix the plate 130 together.

As an example, when the connecting string 143 is pulled in a state in which one end of the connecting string 143 is connected to the striking body 141, the striking body 141 is moved downward to compress the spring 142, and thus In a state in which the spring 142 is compressed, the other end of the connecting line 143 is connected to the guide plate 130 .

The striking body 141 is maintained in a loaded state by the connecting line 143 , and the guide plate 130 is maintained in a state accommodated in the wire support 111 .

And when the connection line 143 in the tense state is cut, the compressed spring 142 is restored and the striking body 141 provides resilient force so that the striking body 141 can be rapidly fired upward, thereby providing the striking body ( 141) strongly strikes and destroys the fire extinguisher 200 accommodated in the fire extinguisher accommodating chamber 112.

In particular, even after the fire extinguisher 200 is destroyed, since the striking body 141 blocks the hole of the guide tube 113a by the spring 142, the extinguishing agent liquid leaked from the fire extinguisher 200 closes the guide tube 113a. emissions can be minimized.

On the other hand, the guide plate 130 is moved along the guide portion 111c of the wire support 111 as the fixing state by the connecting line 143 is released, and is exposed to the outside through the outlet 111d.

The wire catcher 150 is composed of a body portion 151, a fitting protrusion 152, and a guide jaw 153. In this embodiment, it is detachably fitted to the body 110 and is interposed with a fixing pin 160. It serves to detain the underground distribution line (L) fixed to the mounting portion (111b).

The body portion 151 is a member forming a substantially rectangular parallelepiped shape, and an arc-shaped fitting portion 151a recessed in a sector shape having a central angle of 90° is integrally formed at one corner, and a downwardly inclined inclined portion 151b is formed on the upper surface. is provided integrally, where the arc-shaped fitting portion (151a) serves to detain the underground distribution line (L) together with the mounting portion (111b).

In addition, a fitting protrusion 152 that is detachably fitted to the protrusion coupling portion 111a is integrally formed on the lower surface of the body portion 151, and the fixing pin 160 is inserted through the fitting protrusion 152. The pin hole 152a is integrally formed.

The guide jaw 153 protrudes upward from both ends of the upper surface of the body part 151 and serves to guide the fire extinguishing liquid flowing along the inclined part 151b to flow to the end of the body 110 .

For example, in a state in which the fitting protrusion 152 of the wire retainer 150 is inserted and seated in the protrusion coupling portion 111a of the wire support 111, the fixing pin 160 is inserted into the wire support 111 and fitted. When it is inserted through the pin hole 152a of the protrusion 152 , the wire retainer 150 is firmly fixed to the wire support 111 .

The fire extinguisher 200 is a device for extinguishing a fire in which a glass material is filled with an extinguishing agent. However, the leaked extinguishing agent is discharged to the outside through the outlet 112a of the fire extinguisher accommodating room 112 and flows along the electric wire support 111 to quickly extinguish the fire occurring in the underground distribution line (L). In the case of chemical liquid, it is a well-known technique in the field (liquid filled in a throwable fire extinguisher), so a detailed description thereof will be omitted.

The fire detection sensor 300 is a known heat detection sensor installed in the fire extinguisher accommodating room 112 of the supporter unit 100, and a fire due to an electrical short due to a rodent (rat) or a protective function due to aging In the event of a fire caused by contact with a current flowing wire due to infiltration of the infiltrating water into the lost covered wire, the fire detection sensor 300 detects heat and outputs a fire detection signal to the control unit 500 .

The cutting mechanism 400 is composed of a motor 410 and a blade 420, and in this embodiment, is built into the wire support 111 to be disposed under the striking body accommodating chamber 113, and is operated from the control unit 500 It serves to cut the connection line 143 by receiving the signal.

The motor 410 is a normal servomotor, which is installed on the lower surface of the striking body accommodating chamber 113 in this embodiment, and is controlled by the control unit 500 to rotate the shaft.

The blade 420 is fixed to the shaft of the motor 410 and is rotated by the motor 410 to cut the connecting line 143 .

The control unit 500 is a kind of controller, and in this embodiment, receives a fire detection signal from the fire detection sensor 300 and operates the motor 410 so that the blade 420 cuts the connecting line 143. do.

7A to 7D are diagrams for explaining the operation of an underground distribution line connection device having a fire suppression function according to the present invention, which will be described with reference to the following.

Referring to FIG. 7A , the supporter unit 100 is fixed to the sidewall of the underground tunnel T through a fixing means (eg, an anchor bolt).

And the underground distribution line (L) is seated on the mounting portion 111b of the wire support 111 constituting the supporter unit 100, and the fitting protrusion 152 of the wire detention unit 150 is attached to the wire support 111. After being inserted into the protrusion coupling part (111a), the wire holding device (150) is fixed to the wire supporter (111) via the fixing pin (160).

As described above, the underground distribution line (L) is firmly detained by the wire detention port 150 coupled to the wire support 111 as described above, and is connected to the underground tunnel T via the supporter unit 100 as a medium.

On the other hand, referring to FIGS. 7b and 7c, when a fire occurs in the underground distribution line (L) in the state in which the underground distribution line (L) is installed in the supporter unit 100, the fire detection sensor 300 detects it and fires The detection signal is output to the control unit 500, and the control unit 500 receives the fire detection signal to control the operation of the motor 410 of the cutting mechanism 400, and the motor 410 is driven to the blade 420. is rotated to cut the connecting line 143 .

As the connecting line 143 is cut, the compressed spring 142 is restored and the striking body 141 is provided with resilient force so that it can be rapidly moved upward, thereby the striking body 141 is used for accommodating a fire extinguisher. The fire extinguisher 200 accommodated in the seal 112 is strongly struck and destroyed, and the destroyed fire extinguisher 200 leaks the extinguishing agent.

In addition, as the fixing state by the connecting line 143 is released, the guide plate 130 is moved along the guide 111c of the wire support 111 and exposed to the outside through the outlet 111d.

In particular, even after the fire extinguisher 200 is destroyed, since the striking body 141 blocks the hole of the guide tube 113a through the spring 142, the extinguishing agent liquid leaked from the fire extinguisher 200 is the guide tube 113a. emissions can be minimized.

Referring to FIG. 7D , the fire extinguishing liquid leaked from the fire extinguisher 200 is discharged through the outlet 112a of the fire extinguisher accommodating chamber 112 constituting the supporter unit 100, and the fire extinguishing liquid discharged in this way is a wire detention port. As it flows along the inclined portion 151b of 150, the fire of the underground distribution line L is quickly extinguished.

In addition, the extinguishing agent falling from the end of the wire support 111 constituting the supporter unit 100 is guided by the guide plate 130 protruding to the outside and delivered to the opposite underground distribution line connecting device.

Although the present invention has been described in detail only with respect to the specific embodiments described, it is natural for those skilled in the art that various changes and modifications can be made within the technical spirit of the present invention, and it is natural that such variations and modifications belong to the appended claims.

100: supporter unit 110: body 111: wire support
111a: protrusion coupling part 111b: mounting part 111c: guide part
111d: outlet 112: fire extinguisher accommodating room 112a: outlet
113: striking body accommodating room 113a: guide tube 120: cover
130: guide plate 131: coupling projection 140: striking mechanism
141: striking body 142: spring 143: connecting line
150: wire detention sphere 151: body portion 151a: arc-shaped fitting portion
151b: inclined portion 152: coupling protrusion 152a: pin hole
153: guide jaw 160: fixing pin 170: idler
200: fire extinguisher 300: fire detection sensor 400: cutting mechanism
410: motor 420: blade 500: control unit

Claims (1)

It is fixed to the side wall of the underground tunnel (T), and as it goes away from the side wall, it forms a stepped step shape that is inclined downward. ) and a semicircular recessed mounting portion 111b so that the underground distribution line L can be seated is integrally formed, and on both sides of the guide portion 111c that is inclined downward from one side to the other and communicates with the inside. ) is integrally formed, and on the vertical surface of the distal end forming the stairs, the wire support 111 is integrally formed with an outlet 111d communicating with the inside;
Fire extinguisher accommodating chamber 112 integrally formed on the horizontal surface of the front end of the wire support 111, the inside is opened upward, and the outlet 112a through which the extinguishing agent is discharged is provided on the lower side;
It is provided between the electric wire support 111 and the fire extinguisher accommodating chamber 112, the inside is penetrated up and down to communicate with the electric wire support 111 at the lower part, and the upper part is a fire extinguisher through the guide pipe 113a extending downward. A body 110 comprising a striking body accommodating chamber 113 in communication with the accommodation chamber 112, and
A cover 120 installed on the upper surface of the fire extinguisher accommodating chamber 112 of the main body 110 so as to be able to open and close;
It is accommodated in the main body 110 so that it can be inserted and detached through the outlet 111d of the main body 110 , one end is supported by an idler 170 built into the main body 110 , and is movable in the guide portion of the main body 110 . The guide plate 130 provided on both sides of the other end of the coupling protrusion 131 to be fitted tightly,
The striking body 141 that is inserted into the guide pipe 113a of the striking body accommodating chamber 113 so as to be lifted and the upper end is drawn into the fire extinguisher accommodating chamber 112 by elastic force, and the upper end of the striking body 141 is a fire extinguisher A spring 142 that provides a resilient force to the striking body 141 so that it can be drawn into the interior of the accommodation chamber 112, one end of the striking body 141 in a state in which the spring 142 is compressed by the striking body 141 ), the other end is connected to the guide plate 130, and a striking mechanism 140 consisting of a connecting string 143 for fixing the striking body 141 and the guide plate 130 together;
Doedoe forming a rectangular parallelepiped shape, an arc-shaped fitting portion (151a) recessed in a sectoral shape with a central angle of 90° at one corner is integrally formed and is abutted against the outer circumferential surface of the underground distribution line (L), and an inclined portion (151b) inclined downward to the upper surface ) is provided, the fitting protrusion 152 protrudes downward from the lower surface of the body 151 and is detachably fitted to the protrusion coupling portion 111a of the wire support 111, the body portion 151 A wire detention device 150 consisting of guide jaws 153 protruding upward from both ends of the upper surface of the
A supporter unit (100) consisting of a fixing pin (160) that is detachably inserted into the wire support (111) so as to penetrate the protrusion coupling portion (111a) and intermittently disengages from the wire support (111) to the wire retainer (150);
a glass material fire extinguisher 200 accommodated in the fire extinguisher accommodating chamber 112 and destroyed by the striking body 140 to discharge the filled fire extinguishing liquid;
a fire detection sensor 300 installed in the supporter unit 100 to detect a fire and output a fire detection signal;
A cutting mechanism ( 400);
Fire suppression function comprising a; a control unit 500 that receives a fire detection signal from the fire detection sensor 300 and controls the operation of the motor 410 so that the blade 420 can cut the connection line 143 Underground distribution line connector equipped with

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