KR100676472B1 - Apparatus of putting out a fire using cable support tray - Google Patents

Abstract

An apparatus of putting out a fire using a cable support tray is provided to prevent secondary disaster by extinguishing the transfer of fire through cable within a predetermined section. The apparatus of putting out fire using a cable support tray includes a fire prevention support plate(10) made of fire retarding material having a plurality of cable grooves(11), fixing units(12) and bolt holes(13); a fire prevention covering plate(20) fixed on top of a cable(8) to face the fire prevention support plate(10); a box-installing lower plate(30) having a powder container(31), a plurality of cable grooves(33), a fixing unit(32), box fixing surface(34) and spring grooves(35); a fire extinguishing box(40) having a fire extinguishing powder storage(42) and an isolating plate fixing unit(47); an isolating plate(52) having a plurality of spring fixed projections(54) and pin holes(53); a covering plate(60) having an isolating plate entrance hole(62) and a fixing unit(63); and a shape memory fixing pin having a shape memory alloy piece and a pin.

Description

Apparatus of putting out a fire using cable support tray

1 is a perspective view showing a conventional cable support tray.

Figure 2 is a perspective view showing a fire extinguishing device of the cable support tray installed in the building of the present invention.

Figure 3 is a perspective view showing the operation of the fire extinguishing device of the cable support tray installed in the building of the present invention.

Figure 4 is an exploded perspective view showing a fire extinguishing device of the cable support tray installed in the building of the present invention.

5 is a perspective view showing a state without a cover plate in the fire extinguishing device of the cable support tray installed in the building of the present invention.

Figure 6 is a perspective view showing a state without the cover plate without the cover plate in the fire extinguishing device of the cable support tray installed in the building of the present invention.

7 is a cross-sectional view showing a fire extinguishing device for a cable support tray installed in the building of the present invention.

8 is a cross-sectional view showing a state in which the blocking plate is raised from the fire extinguishing device of the cable support tray installed in the building of the present invention.

 <Brief description of symbols for the main parts of the drawings>

1: Cable support tray 2: Hanger

3: thread part 4: square pipe

5: Nut 6: Diagonal side frame

7: support bar 8: cable

10: fireproof plate 11: cable groove

12: fixing part 13: bolt hole

20: fire cover 21: cable groove

22: fixed part 30: box mounting bottom plate

31 powder container part 32 fixed part

33; Cable groove 34: Box fixing surface

35: spring groove 36: spring

40: fire extinguishing box 41: box body

42: fire extinguishing powder storage 43: blocking plate hole

44: hole 45: pinhole

46: Cable Home 47: Blocking Government

48: support plate 49, 49-1: protrusion

50: spring 51: powder discharge plate

52: blocking plate 53: pinhole

54: spring fixing protrusion 60: cover plate

61: plate 62: blocking plate access hole

63: fixing part 64: long bolt

65: bolt hole 70: shape memory fixing pin

71: shape memory alloy piece 72: pin

80: digestive powder

The present invention relates to a fire extinguishing device for a cable support tray installed in a building, and more particularly, when a fire occurs in a tray structure for supporting a cable of a building, the fire burns the sheath of the cable to an adjacent area. A fire extinguishing device for a cable support tray installed in a building to prevent transmission.

Generally, wiring insulators are installed on ceilings and walls in order to wire electric wires in factories, warehouses, basements and parking lots, but the wires are fixed when wiring cables. As electrical wiring is installed and the wires are tied and fixed in this way, several wires are randomly tangled in pipes or ropes, and there is a risk of fire because of the bending of wires. There was a problem that the handling of wires was difficult.

In general, a large number of cables such as power lines and communication lines are installed in buildings, large apartment complexes or factories in urban areas, and these cables are usually wired along underground ceilings or ceilings or walls of buildings. At this time, the cable is not only drastically droops down due to its own load, but also interferes with other structures, causing high damage, and hurting aesthetics.

Accordingly, the cable is generally supported by using a metal tray having appropriate structural strength. The tray has a substantially ladder-like configuration connected at regular intervals by a plurality of rungs for binding cables to the lower ends of two side beams arranged in parallel to each other. It is supported horizontally on the wall or ceiling by a hanger.

FIG. 1 shows a general structure of a cable support tray 1 for supporting a cable installed in a conventional building. A thread 3 is formed at a lower end of two hangers 2 fixed to a ceiling. (3) is passed through the square pipe (4) and fixed with a nut (5), the cable support tray (1) is fixed on the square pipe (4).

The cable placed in the cable support tray 1 is ignited by a short circuit ignition, a ignition caused by carbonization of an organic insulator, a ignition caused by overheating of a connection part, and a factor of temperature rise due to multi-line laying.

In addition to these causes of fire, if a fire occurs for a variety of reasons, the sheath of the cable is made of a material that burns well and is quickly transferred over the cable. Insulation or sheathing of the cable is a polymer material that is decomposed by heat and causes secondary disasters due to toxic and corrosive smoke during combustion. Therefore, cable sheathing should be used as a flame retardant material to prevent combustion. It is desirable to install a prevention device but it is not.

Insulation or sheathing of the cable is a polymer material, and the hydrogen chloride gas generated during the combustion of the cable is harmful to the human body due to the strong toxicity of corrosive metals and respirators.

The cable burns quickly after a fire, not only knows its fire point, but also produces fumes, corrosive and toxic gases.

Even if sufficient measures are taken, unexpected cable fires may occur due to changes in the situation or unforeseen accidents, and if a fire occurs, the direct damage as well as the secondary disaster or social impact will be very large.

The present invention has been made to solve the problems described above, when a fire occurs in the cable supported by the cable support tray installed in the building to prevent the fire spreading while burning the sheath of the cable at the same time to the cable It is an object of the present invention to provide a fire extinguishing device for a cable support tray installed in a building to extinguish a generated fire and prevent fire transmission through a cable from extinguishing within a certain period to cause a secondary disaster.

In addition, the present invention has an effect to increase the extinguishing efficiency by preventing the extinguishing powder to fall down when the extinguishing powder is ejected to the outside so that the extinguishing powder is laminated on the fired cable.

The present invention is a square pipe is fixed to the threaded portion formed on the lower end of the hanger with a nut to achieve the object as described above, the side frame is fixed to both sides of the square pipe upper surface facing each other, the support bar on the inner bottom of the frame In the cable support tray that is fixed and the cable is supported on the support bar, a plurality of cable grooves are formed in the longitudinal direction on the upper surface of the plate body made of flame retardant material, the cable is seated, the fixing portion is formed at the front and rear ends of the bottom, Fire support plate is formed so that the bolt hole penetrates the top and bottom of the government; Fire protection cover plate is formed in the same shape as the fire support plate and the cable groove and the fixing portion and the bolt hole is formed to be fixed to the top of the cable facing each other; A powder container with an open top is integrally formed at the front end of a plate made of a flame retardant material, and a plurality of cable grooves are formed on the upper surface of the plate except for the powder container, and the cable is seated. The part is inserted into the fixing portion of the fire support plate, the box groove bottom plate is formed by the spring groove is formed by the front end of the box fixing surface formed between the cable groove is inserted into the spring; A block panel fixing part is formed at the front end of the box body with an open fire extinguishing powder storage part, and a cable groove is formed at the bottom of the box body to cover and fix the upper part of the cable. The block panel fixing part has a rectangular slit type penetrating up and down. The blocking plate hole is formed vertically, a plurality of holes are formed to penetrate the front and rear surfaces of the blocking plate fixing portion to communicate with the fire extinguishing powder storage, the support plate is installed on the rear end of the fire extinguishing powder storage, so as to be elastically supported by the support plate and the spring A fire extinguishing box in which the powder discharge plate is installed in the extinguishing powder storage unit and pushes the filled extinguishing powder; A plurality of spring fixing protrusions are formed at the bottom of the plate to be inserted into the blocking plate hole, and the spring fixing protrusions are inserted into the top of the spring inserted into the spring groove of the box fixing surface to be elastically supported, and the blocking plate having pinholes formed at both sides thereof. ; Block plate access hole is formed at the front end of the plate, the rear end of the plate is extended to form a fixed portion, the portion of the plate except the fixed portion is fixed with bolts to cover the open portion of the fire extinguishing box, the bolt hole in the fixed portion The cover plate is formed and inserted through the fixing portion of the fire cover plate is fixed through the fire cover plate, the fire support plate and the box installation bottom plate at the same time with a long bolt; One side of the shape memory alloy piece that memorizes the state bent at a certain angle is fixed to both sides of the fire extinguishing box, and pins are formed on the other side to be inserted into the pin hole of the fire extinguishing box and the pin hole of the blocking plate at the same time. A shape memory fixing pin that is bent in a state memorized by temperature and the pin is separated from the pinhole of the blocking plate; It provides a fire extinguishing device of the cable support tray installed in the building, characterized in that the configuration.

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

The terms or words used in the present specification and claims should not be interpreted as being limited to the ordinary or dictionary meanings, and the inventors may appropriately define the concept of terms in order to best explain the invention of their own. Based on the principle, it should be interpreted as meaning and concept corresponding to the technical idea of the present invention.

In the present invention, for convenience of description, the right side is defined as the front end and the left side is the rear end.

The present invention is to suppress the fire generated in the cable is installed in each section of the cable (8), the main configuration of the fire support plate 10 and the fire cover plate 20 is fixed to the top and bottom of the cable (8) The box bottom plate 30 and the fire extinguishing box 40 are fixed up and down at the front and rear ends of the fire support plate 10 and the fire cover plate 20, and the cover plate at the upper opening of the fire extinguishing box 40. 60 is fixed to the interior space is filled with the extinguishing powder 80 in a compressed state by the powder discharge plate 51, when the shape memory fixing pin 70 is fixed to the blocking plate 52, the blocking plate (52) is up, the fire extinguishing powder 80 is ejected through the hole 44 is characterized in that to suppress the fire.

The square pipe 4 is fixed to the threaded portion formed at the lower end of the hanger 2 fixed to the ceiling by a nut 5, and the side frame 6 is fixed to both sides of the upper surface of the square pipe 4 so as to face each other. Fire of the cable support tray installed in the building of the present invention in the cable support tray 1 structure in which the support bar 7 is fixed to the inner lower end of the side frame 6 and the cable 8 is supported on the support bar 7. Fire extinguisher is installed.

The fire protection plate 10 and the fire cover plate 20 wrap the cable 8 under and above the cable 8, respectively, in the same shape. The fire retardant plate 10 has a plurality of cable grooves 11 formed in the longitudinal direction on the upper surface of the plate body made of a flame retardant material so that the cable 8 is seated, and the fixing portion 12 is formed at the front and rear ends of the bottom surface of the plate body. The bolt hole 13 is formed to penetrate the upper and lower sides of the fixing part 12. The fixing part 12 of the fire protection plate 10 is formed with a groove to form a step.

The fire cover plate 20 has the same shape as the fire support plate 10, the cable groove 21, the fixing portion 22 and the bolt hole 23 is formed, and the fire support plate 10 to face each other the cable (8) It is fixed at the top. The fixing portion 22 is formed with a groove so as to form a step on the front and rear ends of the upper surface of the fire cover plate (20).

The box-mounting lower plate 30 is integrally formed with a powder container part 31 having an upper opening at a front end of a plate body made of a flame retardant material, and a plurality of cable grooves 33 are formed on the upper surface of the plate except the powder container part 31. The cable 8 is seated.

The lower part of the rear end of the box-mounting lower plate 30 extends to form a fixing part 32, a plurality of bolt holes 37 are formed in the fixing part 32, and the fixing part 32 of the fire support plate 10 is formed. It is inserted into the fixing part 12. And the spring groove 35 is formed in the front end of the box fixing surface 34 formed between the cable groove 33, the spring 36 is inserted and fixed.

The fire extinguishing box 40 is configured to extinguish the fire generated in the sheath of the cable 8, and the fire extinguishing powder 80 is automatically opened and ejected when the fire is extinguished. Will evolve.

The fire extinguishing box 40 has a blocking plate fixing part 47 formed at the front end of the box body 41 having the fire extinguishing powder storage part 42 having an open upper portion, and the cable groove 46 at the bottom of the box body 41. This is formed to cover and fix the top of the cable (8). The fire extinguishing box 40 and the box installation bottom plate 30 are coupled to each other to form a body, and the powder container part 31 of the box installation bottom plate 30 is formed to protrude more than the front end of the box body 41 and is ejected. Digestion powder (80) is received so as not to fall down.

Blocking plate fixing portion 47 is formed vertically, the blocking plate hole 43 of the square slit-shaped penetrating up and down, a plurality of holes 44 are formed so as to pass through the front and rear surfaces of the blocking plate fixing portion 47 to store the extinguishing powder It communicates with the part 42.

The fire extinguishing powder 80 filled in the fire extinguishing powder storage 42 is compressed and discharged through the hole 44 by the operation of the blocking plate 52 to extinguish the fire. The means for compressing the fire extinguishing powder 80 in the fire extinguishing powder storage portion 42 is a support plate 48 and a powder discharge plate 51 which are elastically supported by the spring 50, and is located at the rear end of the fire extinguishing powder storage portion 42. The support plate 48 is installed, and the powder discharge plate 51 is installed in the extinguishing powder storage unit 42 so as to be elastically supported by the support plate 48 and the spring 50. Therefore, the powder discharge plate 51 is always pushing the fire extinguishing powder 80 toward the front by the force of the spring (50). The support plate 48 is formed with a protrusion 49 so that one end of the spring 50 is inserted and fixed, and the other end of the spring 50 is fixed to the protrusion 49-1 formed on the powder discharge plate 51 to be elastic with each other. To be supported.

The blocking plate 52 has a plurality of spring fixing protrusions 54 formed at the lower end of the plate body and inserted into the blocking plate hole 43, and the spring fixing protrusions 54 are inserted into the spring grooves 35 of the box fixing surface 34. The plate body is blocked by the hole 44 while being elastically supported by being inserted at the upper end of the inserted spring 36.

Pinholes 53 are formed at both sides of the blocking plate 52 so that the pin 72 of the shape memory pin 70 is inserted to hold the blocking plate 52 to rise upward.

The cover plate 20 covers and seals the upper opening of the fire extinguishing box 40, and a blocking plate access hole 62 is formed at the front end of the plate body 61, and the rear end of the plate body 61 is extended. A government 63 is formed. Portions other than the fixing portion 63 of the plate body 61 is fixed with bolts to cover the open portion of the fire extinguishing box 40, the bolt hole 65 is formed in the fixing portion 63 is a fire cover plate ( 20 is inserted into the fixing part 22 of the long bolt 64 through the fire cover plate 20, the fire prevention needle plate 10 and the box installation bottom plate 30 at the same time is fixed with a nut.

The shape memory fixing pin 70 fixes one side of the shape memory alloy piece 71 that stores the state bent at a predetermined angle to both sides of the fire extinguishing box 40, and forms a pin 72 on the other side to extinguish the fire. The pinhole 45 of the box 40 and the pinhole 53 of the blocking plate 52 are inserted and fixed at the same time, and bent in a state stored by the elevated temperature in the case of fire so that the pin 72 of the blocking plate 52 It is separated from the pinhole 53.

The shape memory alloy piece 71 is fixed to the fire extinguishing box 40 in a bent shape in the 'L' shape, and when the heat is received, the angle is widened so that the pin 72 is separated from the pinhole 53 of the blocking plate 52. . When the pin 72 is separated from the pin hole 53 of the blocking plate 52, the blocking plate 52 is lifted up by the force of the spring 36, and the hole 44 is raised by the rising of the blocking plate 52. This will be opened so that the digested powder 80 is ejected.

As described above, the present invention has the effect of preventing the fire generated in the cable from spreading over a certain section, and when the temperature rises due to the fire transmitted along the cable sheath, the shape enterprise alloy piece is restored to the originally memorized shape to fix the blocking plate. It is effective in extinguishing fire by releasing extinguishing powder in the state.

Extinguishing powder ejected by the powder container does not fall down, wrap the cable is effective to increase the efficiency of extinguishing.

Since the fire retardant plate and the fire cover plate fix the cable at regular intervals, it not only helps to maintain the cable spacing but also consists of flame retardant material, so that the fire attached to the cable's sheath is prevented from going any further.

Claims (1)

A cable support tray for fixing a square pipe to a screw formed at the bottom of the hanger with a nut, and fixing the side frame to the opposite side of the square pipe on both sides, and a support bar is fixed to the inner bottom of the frame to support the cable on the support bar. To A plurality of cable grooves 11 are formed in the longitudinal direction on the upper surface of the plate body made of a flame-retardant material so that the cable 8 is seated, and the fixing portion 12 is formed at the front and rear ends of the bottom surface, A fire protection plate 10 having a bolt hole 13 formed to penetrate up and down; The cable groove 21, the fixing part 22, and the bolt hole 23 are formed in the same shape as the fire support plate 10, and the fire cover plate is fixed on the cable 8 to face the fire support plate 10. 20; A powder container part 31 having an open upper portion is integrally formed at the front end of the plate body made of a flame retardant material, and a plurality of cable grooves 33 are formed on the upper surface of the plate except the powder container part 31 so that the cable 8 is seated. The lower part of the rear end of the plate extends to form a fixing part 32, and the fixing part 32 is inserted into the fixing part 12 of the fire supporting plate 10, and is formed between the cable grooves 33. A box installation lower plate 30 in which a spring groove 35 is formed at a front end of the fixing surface 34 to insert and fix the spring 36; A blocking plate fixing part 47 is formed at the front end of the box body 41 having the fire extinguishing powder storage part 42 having an open upper portion, and a cable groove 46 is formed at the bottom of the box body 41 so that the cable 8 is connected. Covering and fixing the upper part of the block, the blocking plate fixing part 47 is formed with a vertically formed blocking plate hole 43 of the square slit penetrating up and down, a plurality of holes 44 to pass through the front and rear surfaces of the blocking plate fixing part 47. Is formed to communicate with the fire extinguishing powder storage unit 42, the support plate 48 is installed at the rear end of the fire extinguishing powder storage unit 42, the powder discharge plate to be elastically supported by the support plate 48 and the spring (50) Fire extinguishing box (40) is installed in the extinguishing powder storage unit 42 to push the extinguishing powder 80 is filled; A plurality of spring fixing protrusions 54 are formed at the lower end of the plate body and inserted into the blocking plate hole 43, and the spring fixing protrusions 54 are inserted into the spring grooves 35 of the box fixing surface 34. Is inserted into the upper end of the elastic support, the blocking plate 52 is formed with a pinhole 53 on both sides; Block plate access hole 62 is formed at the front end of the plate body 61, the rear end of the plate body 61 is extended so that the fixing portion 63 is formed, except for the fixing portion 63 of the plate body 61 fire It is fixed with a bolt to cover the open portion of the fire extinguishing box 40, the bolt portion 65 is formed in the fixing portion 63 is inserted into the fixing portion 22 of the fire cover plate 20 while the long bolt ( A cover plate 60 fixed through the fire cover plate 20, the fire support plate 10, and the box installation lower plate 30 at the same time; One side of the shape memory alloy piece 71 that stores the state bent at a predetermined angle is fixed to both sides of the fire extinguishing box 40, and the pin 72 is formed on the other side of the pin hole 45 of the fire extinguishing box 40. ) And the pinhole 53 of the blocking plate 52 are inserted and fixed at the same time, and bent in a state of being stored by the elevated temperature in the event of a fire so that the pin 72 is separated from the pinhole 53 of the blocking plate 52. Memory fixing pin 70; Fire extinguishing device of the cable support tray installed in the building, characterized in that consisting of.

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