KR100629900B1 - Cable tray structure for isolating electromagnetic waves of electric supply line in an apartment house - Google Patents

Abstract

A cable tray structure of a power transmission line for a condominium complex is provided to absorb electromagnetic waves radiated from a power cable by covering the cable tray with a cover having a copper mesh. Cylinder flanges(20a,20b) have a ground cut portion(21a) and hinge cut portions(21b,21c). Conductive hinge shafts(22a,22b) are inserted into the flanges. A transparent polycarbonate plate(40) has a copper mesh(42) absorbing electromagnetic waves radiated from a power cable. A rectangular flange(44) is coupled to an edge of the polycarbonate plate. Semicircle coupled parts(41a,41b) are laid on upper surfaces of the hinge shaft. Semicircle ground parts(43a,43b) are formed on left and right edge of the copper mesh, and contact the upper surfaces of the hinge shaft. A hinge coupler(50) is installed to left/right ends of the flange.

Description

Cable tray structure for isolating electromagnetic waves of electric supply line in an apartment house}

1 is a perspective view showing the structure of the electromagnetic shielding cable tray of the distribution line for multi-unit housing according to the present invention

Figure 2 is an exploded perspective view showing the structure of the electromagnetic shielding cable tray of the distribution line for multi-unit housing according to the present invention

Figure 3 is a perspective view showing an example of opening the right side by rotating the cover from the left side in the present invention

Figure 4 is a perspective view showing an example of opening the left side by rotating the cover from the right side in the present invention

5 is a perspective view showing a state in which a power cable is installed in the electromagnetic shielding cable tray of the distribution line for a multi-family house according to the present invention

Figure 6 is a partially enlarged perspective view showing the structure of the hinge coupling portion in the present invention

Figure 7 is an exploded perspective view showing the structure of the hinge coupling in the present invention

Figure 8 is a cross-sectional view showing a state in which the hinge coupling portion is released from the electrically conductive hinge shaft in the present invention

9 is a cross-sectional view showing a state in which the hinge coupling portion is bound to the conductive hinge shaft in the present invention.

Explanation of symbols on the main parts of the drawings

1 hanger 10 cable tray

11: bottom plate 12: side plate

13,14: hole 17: power cable

20a, 20b: cylindrical flange 21a: ground cutout

21b, 21c: Hinge coupling incision 22a, 22b: electrically conductive hinge shaft

30: cover 40: transparent polycarbonate plate

41a, 41b: semicircular coupling portion 42: copper mesh for electromagnetic wave absorption

43a, 43b: Ground portion 44: Square border

50: hinge coupling portion 51,52: arc guide channel

51g: guide groove 51a, 52a, 54e: semicircle groove

53: lever 54: latch

54a, 54b: arc rib 55: boss

56: first V groove 57: second V groove

58: jamming spring 58a, 58b: bent portion

59: screw hole 60: ground wire

70: screw

The present invention relates to a cable tray structure that blocks electromagnetic waves generated from a distribution line installed in a multi-unit house, and more specifically, absorbs electromagnetic waves flowing out of the upper part of the cable tray by a copper mesh for absorbing electromagnetic waves and then discharges them to ground. In addition, the present invention relates to an electromagnetic shielding cable tray structure of a distribution line for a multi-family house, which enables not only opening and closing of the cover but also completely removing the cover or switching to a locked state.

In multi-unit houses such as apartment complexes, many cables, such as power lines and communication lines, are installed. Such cables are usually wired to the basement floor of a building. In this case, if the cable is routed in the air, it is not only sag down due to its own load, but also there is a high risk of interference with other structures.

Therefore, generally, the structure which supports a cable by mounting the cable tray which accommodates the said cable to the hanger provided under the slab is used.

However, the conventional cable tray as described above is open, the electromagnetic wave generated from the power cable carrying a high voltage to the living area through the slab has a problem that adversely affects the human body and electronic devices.

In addition, the conventional cable tray has a problem in that the upper part is open, so that dust or suspended matter in the air is accumulated on the cable tray and the power cable and contaminated, and it is difficult to clean the accumulated dust during maintenance.

An object of the present invention for solving the above problems can block the electromagnetic waves radiated upward from the power cable installed in the cable tray, and can prevent contamination of the cable tray and power cable by dust or airborne floats. It is to provide an electromagnetic shielding cable tray structure of the distribution line for the apartment house.

In order to achieve the above object, the cylindrical flange is rolled outward from the top of the side plate of the cable tray and is inserted into the center of the cylindrical flange and the cylindrical flange formed at regular intervals along the longitudinal direction. A rectangular transparent polycarbonate plate bonded to the bottom of the electrically conductive hinge shaft, a copper mesh for absorbing electromagnetic waves radiated upward from the power cable installed in the cable tray, and an edge of the transparent polycarbonate plate A semicircular coupling portion formed at the center of the left and right edges of the rectangular border, the semicircular coupling portion placed on the upper surface of the electrically conductive hinge shaft exposed through the ground cutout, and the bottom surface of the semicircular coupling portion formed at the center of the left and right edges of the electromagnetic wave absorption copper mesh. To the ground and exposed through the ground cutout Semi-circular ground portion that absorbs the electromagnetic energy absorbed by contacting the upper surface of the hinge shaft through the cable tray to the ground wire, and is connected to or separated from the hinge hinge cut-out that is installed at the left and right ends of the rectangular border. It consists of a hinge coupler to provide an electromagnetic shielding cable tray structure of a distribution line for apartment houses.

Hereinafter, the electromagnetic wave shielding cable tray structure of the distribution line for multi-family housing according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

As shown in Figs. 1 to 9, the cable tray 10 is formed with a plurality of holes 13 and 14 perforated in a bottom surface and a side surface as is known, and formed vertically from the left and right edges of the lower plate 11. It has a side plate 12. In addition, the cable tray 10 is supported by a U-shaped hanger 1 provided on the ceiling, and a ground wire 60 is provided on one side of the side plate 12 of the cable tray 10.

In addition, along the longitudinal direction of the cylindrical flanges 20a and 20b rolled outward from the top of the side plate 12 of the cable tray 10, the grounding cutout 21a and the hinged cutout 21b. 21c are repeatedly formed at regular intervals and fixed by inserting the electrically conductive hinge shafts 22a and 22b at the center of the cylindrical flanges 20a and 20b.

Then, the electromagnetic wave absorbing copper mesh 42 for absorbing electromagnetic energy radiated upward from the power cable 17 installed in the cable tray 10 is adhered to the bottom surface of the rectangular transparent polycarbonate plate 40, and the transparent poly The cover 30 is formed by combining the rectangular border 44 at the edge of the carbonate plate 40.

Here, the electromagnetic wave absorption copper mesh 42 uses a very small eye size, for example, an eye size of 0.5 mm to 0.8 mm may be used.

In addition, semi-circular coupling portions 41a and 41b placed on the upper surfaces of the electrically conductive hinge shafts 22a and 22b exposed through the ground cutout 21a are formed in the center of the left and right edges of the rectangular border 44. The centers of the left and right edges of the semi-circular ground portions 43a and 43b contacting the upper surfaces of the electrically conductive hinge shafts 22a and 22b exposed through the ground cutout 21a. Electromagnetic energy absorbed and absorbed to flow through the cable tray 10 to the ground line 60, and the ground portions 43a and 43b adhere to the bottom surfaces of the semi-circular coupling portions 41a and 41b.

In addition, the hinge coupling portion 50 coupled to or separated from the electrically conductive hinge shafts 22a and 22b exposed through the hinge coupling cut portions 21b and 21c is provided at the left and right sides of the rectangular border 44. .

Here, the hinge coupling part 50 is installed so as to face the arc guide channels 51 and 52 having an arc-shaped guide groove 51g at a constant distance from the rectangular border 44, and the arc guide channel 51 ( Semicircular grooves 51a and 52a are formed at the center of the bottom surface of each of the conductive hinge shafts 22a and 22b, respectively, and guide grooves 51g are formed in the arc guide channels 51 and 52, respectively. A semi-circle which protrudes from the left and right sides of the arc-shaped latch 54 and arc-shaped ribs 54a and 54b slid to the bottom, and is in close contact with the outer circumferential surface of the electrically conductive hinge shafts 22a and 22b. The groove 54e is formed.

In addition, the first v-groove 56 and the second v-groove 57 are formed in the inner opposing surfaces of the arc guide channels 51 and 52, and a screw hole 59 is formed in the center and the side is chamfered. "V" formed at both ends of the bent portions 58a and 58b formed to protrude upwards from the upper surface of the latch 54, and the first and second v grooves 56 and 57 are formed. The locking spring 58 in the shape of a child is inserted into the boss 55 and fixed with a screw 70, and a lever 53 is installed on the upper portion of the latch 54.

Since the locking spring 58 is fitted to the chamfered boss 55, the rotation is prevented, and the latch spring 58 is selectively caught by the first v groove 56 and the second v groove 57 when the latch 54 is moved. The locked state or the unlocked state of 54 is maintained.

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

As shown in FIGS. 1 to 9, the semicircular coupling portions 41a and 41b formed on the left and right sides of the rectangular border 44 constituting the lid 30 are cut outs for grounding the cable tray 10. When placed on the upper surface of the electrically conductive hinge shaft (22a) (22b) exposed through the), the hinge coupling portion 50 located at the corner of the rectangular border 44 is also a hinge coupling cut (21b) (21c) The cover 30 is seated at the correct position of the cable tray 10 while being placed on the upper surfaces of the conductive hinge shafts 22a and 22b exposed through the cover.

As such, when the plurality of lids 30 cover the straight lines of the cable tray 10 in a long manner, the upper portion of the cable tray 10 is closed.

Then, when the lever 53 formed on the upper part of the latch 54 constituting the hinge coupling part 50 is turned downward by using a finger, an arc-shaped rib 54a formed in front and rear of the latch 54. 54b is rotated while sliding from the guide groove 51g formed in the arc guide channel 51,52.

That is, the latch 54 rotates from the center of the conductive hinge shafts 22a and 22b as a starting point, so that the semicircular groove 54e formed in the latch 54 is the bottom surface of the conductive hinge shafts 22a and 22b. Since the semicircular grooves 51a and 52a formed in the arc guide channels 51 and 52 surround the upper surfaces of the conductive hinge shafts 22a and 22b, the conductive hinge shafts 22a are surrounded. It cannot be separated from 22b, but rotation is possible.

As described above, when the latch 54 is rotated, the bent portions 58a and 58b of the locking springs 58 installed on the upper portions of the latch 54 are formed in the arc guide channels 51 and 52. Since the second grooves 57 are caught away from the V grooves 56, the latch 54 is held in a locked state as shown in FIG. 9.

In addition, when all the hinge coupling portions 50 installed at the corners of the cover 30 are turned to the locked state by rotating the lever 53 downward as described above, the cover 30 is electrically conductive hinge shaft 22a. It is fixed to the (22b) and can not be separated, the dust is prevented from accumulating in the cable tray 10 and the power cable 17 by blocking the dust flowing into the cable tray 10 by the cover 30. Done.

When the upper portion of the cable tray 10 is opened without removing the cover 30 from the cable tray 10, the hinge coupling part 50 of one side is kept in a locked state, and the other hinge coupling part 50 is provided. When the lever 53 is rotated upward, the semicircular groove 54e of the latch 54 and the semicircular grooves 51a and 52a of the arc guide channels 51 and 52, as shown in FIG. Since both of these are located at the semicircular portions of the upper surfaces of the conductive hinge shafts 22a and 22b, the latches are released and the opening is possible.

That is, the hinge coupling part 50 located on the left side of the plurality of hinge coupling parts 50 installed on the cover 30 is left in the locked state and the hinge coupling part 50 located on the right side is released. As shown in FIG. 3, the right side of the cover 30 may be opened, and the hinge coupler 50 located on the right side of the plurality of hinge couplers 50 installed on the cover 30 may be locked. When left in the state to release the hinge coupling portion 50 located on the left side, as shown in the accompanying drawings, it is possible to open the left side of the cover 30, the operator to the left of the cable tray 10 or If it is located on the right side, it can be opened by selecting a convenient side.

In addition, when the cover 30 is completely removed from the cable tray 10, when all the hinge coupling portions 50 located at the left and right sides are switched to the released state, the cover 30 can be lifted upward to be removed. .

At this time, the cover 30 can be completely removed and replaced with a new one, or washing in another place can be performed conveniently.

On the other hand, the electromagnetic wave blocking by the cover 30 is to transmit the electromagnetic wave energy emitted from the power cable 17 installed in the cable tray 10 to the upper side, to pass through the electromagnetic wave absorption copper mesh 42 constituting the cover 30 At this time, since the electromagnetic wave absorbing copper mesh 42 is made of an electrically conductive metal, it is not transmitted and is absorbed, and the electrical energy absorbed by the electromagnetic wave absorbing copper mesh 42 is applied to the electromagnetic wave absorbing copper mesh 42. The ground wire 60 connected to the cable tray 10 flows to the conductive hinge shafts 22a and 22b through the ground portions 43a and 43b formed at the left and right centers, and is discharged to the ground.

According to the present invention as described above, since the cover having the electromagnetic wave absorption copper mesh connected to the ground is configured to cover the upper part of the cable tray, the multi-unit housing absorbs electromagnetic waves radiated upward from the power cable installed in the cable tray. It is effective to block the electromagnetic waves directed to the slab of the cable. Since the cover is installed on the upper part of the cable tray, it is effective to prevent the accumulation of dust on the cable tray and the power cable. Since it is configured to open both sides selectively, it is possible to open the left or right side of the cover according to the worker's position during maintenance work, which makes the maintenance work more convenient. When released, the cover can be removed Since the individual, and the cleaning or replacement of the lid on the cover conveniently, leaving all parts of the hinged cover is in the locked state does not move is secured to the cable tray it has the effect that is rigidly coupled.

Claims (2)

Cylindrical shape that is circularly rolled outward from the top of the side plate 12 of the cable tray 10 and the ground cutout 21a and the hinged cutout 21b and 21c are formed at regular intervals along the longitudinal direction. Radiating upward from the flanges 20a and 20b, the electrically conductive hinge shafts 22a and 22b inserted into the centers of the cylindrical flanges 20a and 20b, and the power cables 17 provided in the cable tray 10. Rectangle transparent polycarbonate plate 40 to which the electromagnetic wave absorbing copper mesh 42 for absorbing the electromagnetic wave energy is adhered to the bottom, and the rectangular border 44 coupled to the edge of the transparent polycarbonate plate 40, Semi-circular coupling portions 41a and 41b formed at the centers of the right and left edges of the rectangular border 44 and placed on the upper surfaces of the electrically conductive hinge shafts 22a and 22b exposed through the ground cutout 21a, and electromagnetic waves. Semi-circular coupling portions 41a and 41 are formed at the center of the left and right edges of the absorption copper mesh 42. b) the electromagnetic wave energy absorbed by contacting the upper surface of the electrically conductive hinge shafts 22a and 22b exposed to the bottom surface of the b) and exposed through the ground cutout 21a to the ground wire 60 through the cable tray 10. Semi-circular ground portions 43a and 43b flowing through and rectangular conductive edges 44 on the left and right sides are provided on the electrically conductive hinge shafts 22a and 22b exposed through the hinge coupling cutouts 21b and 21c. Electromagnetic wave shielding cable tray structure of a distribution line for a multi-family house, characterized in that consisting of a hinge coupling portion 50 for coupling or leaving. According to claim 1, The hinge coupling portion 50 is installed so as to face the arc guide channel 51, 52 having an arc-shaped guide groove (51g) at a constant distance from the rectangular border 44, Semicircular grooves 51a and 52a are formed in the centers of the bottom surfaces of the arc guide channels 51 and 52, respectively, on the upper surfaces of the electrically conductive hinge shafts 22a and 22b, and the arc guide channels 51 and 52 are formed. Arc-shaped ribs 54a and 54b which are slid to the guide grooves 51g formed thereon protrude from the left and right sides of the arc-shaped latch 54, and are electrically conductive hinge shafts 22a and 22b in the lower portion of the latch 54. A semicircular groove 54e in close contact with the outer circumferential surface of the c), and a first v groove 56 and a second v groove 57 are formed on the inner facing surface of the arc guide channel 51, 52. A bent portion that is formed with a screw hole 59 and a side face chamfered boss 55 protrudes upward from the upper surface of the latch 54, and is caught by the first v groove 56 and the second v groove 57. (58a) (58b) A cavity comprising: a locking spring 58 formed at both ends, which is inserted into the boss 55 and fixed by a screw 70, and a lever 53 is installed on the upper portion of the latch 54. Electromagnetic wave shielding cable tray structure of power distribution line for house.

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