KR101668988B1 - Smart cable tray - Google Patents

Abstract

A smart cable tray is disclosed. The smart cable tray according to an embodiment of the present invention comprises: a pair of side rails in which a plurality of through holes are formed at predetermined intervals in front ends facing each other; a plurality of crossbars which is coupled between the side rails in a direction perpendicular to the side rails, and supports cables from below; an inner coupling member which is tightly coupled to an inner surface of the side rail, and from which a plurality of protruding clamps passing through the through holes is protruding; an outer coupling member which is tightly coupled to an outer surface of the side rail, and in which a plurality of fixing holes is punched to form a fixing part through which the protruding clamps passing through the through holes pass to be fastened thereto; a load measuring sensor which is attached to a surface of the crossbar, measures a load on the crossbar in real time, and transmits the measured value to a service server; a moisture sensor which is attached to the surface of the crossbar, senses the presence of moisture in the crossbar in real time, and transmits an alarm to the service server when the moisture is sensed; and a temperature measuring sensor which is attached to an inner surface of the side rail, measures an ambient temperature in real time, and transmits the measured value to the service server.

Description

Smart Cable Tray {SMART CABLE TRAY}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cable tray, and more particularly, to a smart cable tray capable of realizing installation environment information of a region where a cable tray is installed in real time.

Cable trays support and protect cables when wiring cables for power, control, communication and instrumentation in factories, ships, buildings, offshore structures, etc., and are used as a means of organizing cables to minimize the aesthetics and inconvenience of passengers. .

Cable trays can be classified into various types according to their types, and a ladder type cable tray is generally used. The ladder-type cable tray is composed of a cross bar (also referred to as RUNG) which has a predetermined length and joins the pair of side rails located at the left and right sides at regular intervals. In addition, since the cable tray has a predetermined length in the longitudinal direction, a plurality of cable trays are connected to each other using a separate joining member in order to arrange the cable tray on a ceiling or a wall surface of a building.

Conventionally, a method using a bolt or a nut has been mainly used to connect the cable trays to each other, but recently, many cable trays have been developed that can be connected in a simple manner without using bolts and nuts. Such cable trays are disclosed in Patent Documents 1 and 2.

Cable trays that connect in a simple way without using bolts and nuts are more advanced than previous methods. In recent years, more advanced cable trays have been developed. In the present invention, a smart cable tray capable of overcoming the traditional roles and functions of cable trays by using information communication technologies is provided.

Patent Document 1: Korean Patent No. 10-1167028 (issued on July 24, 2012) Patent Document 2: Korean Patent No. 10-1480480 (published on January 12, 2015)

An object of the present invention is to provide a smart cable tray capable of easily and rapidly performing cable and cable tray maintenance by sensing environmental factors such as load, moisture, ambient temperature and the like of a cable tray and transmitting it to a service server.

It is another object of the present invention to provide a smart cable tray including a fire diffusion preventing member capable of preventing flame spreading when a fire occurs in a cable.

According to an aspect of the present invention, there is provided a pneumatic tire comprising: a pair of side rails formed at a predetermined distance at a front end thereof to be opposed to each other; A plurality of transverse arms coupled between the side rails in a direction perpendicular to the side rails and supporting the cables from below; An inner engaging member tightly coupled to an inner surface of the side rail and formed with a plurality of protruding claws projecting through the through holes; An outer engaging member which is closely fitted to the outer side surface of the side rail and in which a plurality of fixing holes are drilled so as to form a fixing portion through which a plurality of protruding claws penetrating through the through holes penetrate; A first horizontal piece projecting from the outer side surface of the side rail so as to have a predetermined size and a second vertical piece extending upward from the first horizontal piece, And a protrusion protruding from the first vertical piece in a direction of an outer surface of the side rail to a predetermined size; A load measuring sensor attached to a surface of the cross bar to measure a load applied to the cross bar in real time and transmit the measured value to a service server; A moisture sensor attached to a surface of the cross bar to detect whether water is present in the cross bar in real time and transmit a notification to the service server when moisture is detected; A temperature measuring sensor attached to an inner surface of the side rail to measure an ambient temperature in real time and transmit the measured value to the service server; And at least one fire-diffusion preventing member detachably coupled to the cross bar, wherein the fire-preventing member is formed of an elastic material to hold the cross bar in an upper space to receive the cross bar in an inner space, A pair of second vertical pieces extending downward from both side ends of the second horizontal piece, and a pair of protruding pieces projecting inwardly from the end of the second vertical piece by a predetermined size, And a fire plate formed of a flame retardant material that is vertically coupled to the upper surface of the holding member.

The information transmission module may further include an information transmission module attached to the side rail or the cross bar to transmit scale information, location information, and model information of the smart cable tray to the service server.
According to another aspect of the present invention, there is provided a smart cable tray, Wherein the smart cable tray receives at least one of load information, moisture presence information, temperature information, scale information, position information, and model information of the smart cable tray from the smart cable tray through a wireless communication network and classifies, A service server for storing; A DB for storing and managing information received by the service server; And a web server for providing a web page for connecting the terminal with the service server by a worker.

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The smart cable tray according to embodiments of the present invention senses environmental factors such as the load of the cable tray, the presence of water, and the ambient temperature through the attached load measuring sensor, the moisture sensor, and the temperature measuring sensor, , The operator (maintenance manager) can check the status of cables and cable trays anytime and anywhere and take immediate action in the event of a problem.

In addition, by combining the fire prevention member with at least one detachable fire prevention member, it is possible to prevent flame spread when a fire occurs in the cable, thereby minimizing the loss.

1 is a perspective view schematically showing a smart cable tray according to an embodiment of the present invention.
Fig. 2 is a view showing an inner joint member and an outer joint member separately in the smart cable tray of Fig. 1;
Fig. 3 is a view showing a fire prevention member in the smart cable tray of Fig. 1; Fig.
4 is a diagram illustrating a concept of a cable tray smart system according to an embodiment of the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings. It is to be understood that the following description is illustrative of the present invention, and the technical spirit of the present invention is not limited to the following description. BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the invention.

1 is a perspective view schematically showing a smart cable tray (hereinafter, referred to as a cable tray) according to an embodiment of the present invention.

Referring to FIG. 1, the cable tray may include a pair of side rails 10 and 20, a plurality of cross bars 30, an inner engaging member 40, and an outer engaging member 50. The side rails 10 and 20 and the cross bar 30 constitute the outer shape of the cable tray. The inner joint member 40 and the outer joint member 50 are a coupling structure for connecting the cable tray and the cable tray. The basic structure of the cable tray according to the present invention is the same as or similar to that disclosed in the above-mentioned Patent Documents 1 (Korean Patent No. 10-1167028) and Patent Document 2 (Korean Patent No. 10-1480480) Disclose the contents disclosed in the above Patent Documents 1 and 2. Therefore, in this specification, the contents disclosed in Patent Documents 1 and 2 are briefly described, and a detailed description thereof will be omitted. In the present specification, the contents not disclosed in the above Patent Documents 1 and 2 will be mainly described.

The pair of side rails 10 and 20 are arranged so as to abut against each other, and wings (unrepresented) of a constant width are formed at the upper and lower ends of the side rails 10 and 20. Although not shown in the drawing, a plurality of through holes (not shown) are formed at predetermined intervals at the ends of the side rails 10 and 20 which are brought into contact with each other. The inner joint member 40 is formed in such a manner that a plurality of protruding claws protruding from the inner side surfaces of the side rails 10, The outer engaging member 50 is engaged with the outer side surfaces of the butted side rails 10 and 20 so as to form a plurality of fastening holes through which the plurality of protruding fasteners passing through the through holes are inserted, do.

Fig. 2 is a view showing separately the inner engagement member 40 and the outer engagement member 50 in the smart cable tray of Fig. 2, the inner joint member 40 is formed to have a size smaller than that of the side rails 10 and 20 so as to be closely fitted to the inner side surfaces of the side rails 10 and 20, Inner wings 41 and 42 corresponding to the wings of the first and second wings 10 and 20 are formed. The outer joint member 50 is formed to have a larger size than the side rails 10 and 20 so as to be closely fitted to the outer side surfaces of the side rails 10 and 20, Outer wings 51 and 52 corresponding to the wings of the side rails 10 and 20 are formed. The protruding brackets 43 of the inner engaging member 40 are formed by press punching. The protruding brackets 43 of the inner engaging member 40 are passed through the through holes formed in the side rails 10, (53) can be inserted. The protruding cramp 43 is formed by twisting one end of the punched piece so as to form a "C" shape so that a vertical piece having a predetermined height and a horizontal piece having a predetermined height are formed. That is, the height of the vertical pieces is similar to the sum of the thickness of the side rails 10, 20 and the thickness of the outer joining member 50. The protruding brackets 43 are all formed so as to face one side surface. When the outer engaging member 50 is moved in one direction in a state in which the protruding bracket 43 penetrates the fixing hole 53 of the outer engaging member 50, 54 are inserted by the end portions of the projecting brackets 43 and are not easily separated. That is, the inner joint member 40 and the outer joint member 50 are coupled to each other in a manner of wrapping the inner side surface and the outer side surface of the side rails 10 and 20 in a sliding manner, thereby connecting the cable trays. On the other hand, on the outer surface of the inner joint member 40, a ground receiving groove 45 for receiving a ground plate is formed. The ground receiving grooves 45 are formed in the space between the protruding brackets 43 located on the left side of the inner engaging member 40 and the protruding brackets 43 located on the right side. Specifically, the ground receiving groove 45 is formed by recessing to have a depth corresponding to the thickness of the ground plate e, and has a square groove formed in the space between the upper protruding brackets 43, Shaped grooves formed in the space between the brackets 43 are partially overlapped. At this time, the size of the rectangular groove is preferably as large as possible, as long as it does not overlap with the space occupied by the protruding bracket 43. This is because the grounding area is widened. The ground plate e is coupled to the ground receiving groove 45 in a manner to be fitted thereto (a method of adhesion or the like). That is, the cable tray according to the present invention can enhance the effect of preventing the human / material damage due to the abnormal current (lightning) by realizing the grounding method instead of the conventional 'line method'. On the other hand, at least a plurality of hooking members 11 are engaged with the outer side surfaces of the side rails 10, 20 at regular intervals. The hook member 11 (see an enlarged view of FIG. 1) includes a horizontal piece projected to have a predetermined size from the outer side surface of the side rails 10 and 20, a vertical piece extending upward from the horizontal piece, And protruding portions 11a protruding from the side portions of the side rails 10, 20 in the outer side direction by a predetermined size. A plurality of the hook members 11 can be coupled to the side rails 10 and 20 at regular intervals. For example, in FIG. 1, three hooking members 11 are formed on both sides of the outer joining member 50 at intervals. The hooking member 11 corresponds to a member capable of hanging the work tool when the worker works on the cable tray (for example, cable installation, cable tray installation, etc.). For example, when the working tool includes a hook, the hook can be hooked on one hook member 11 to hook the working tool. When the working tool does not include the hook, the working tool can be arranged by horizontally laying the working tool in the inner space provided by the plurality of hooking members (i.e., the plurality of hooking members 11). ≪ / RTI > Since the cable tray is generally formed in a long length on a ceiling or a wall surface, a member capable of temporarily crimping the tools when the operator works on the cable tray is required. In the cable tray according to the present invention, Can provide such a tool storage space. In addition, the present specification includes contents disclosed in the above-mentioned Patent Documents 1 and 2, and the descriptions omitted for the inner joint member 40 and the outer joint member 50 are the same as those disclosed in Patent Documents 1 and 2 Similarity.

Referring again to FIG. 1, a plurality of cross bars 30 are coupled between the side rails 10, 20 in a direction perpendicular to the side rails 10, 20. The plurality of crossbars 30 are spaced apart from each other at a predetermined interval and joined to each other. The joining method is not specified, and bolting joining, welding joining, or the like can be used. The crossbars (30) function to support the cables from below. The width, height, etc. of the crossbar 30 are not specified. A load measuring sensor 72 and a moisture sensor 74 are attached to the cross bar 30. The load measuring sensor 72 measures a load applied to the cross bar 30 in real time and transmits the measured value to a service server (see FIG. 3). The moisture sensor 74 senses the presence or absence of water in the cross bar 30 in real time, and transmits a notification to the service server when water is sensed. The load measuring sensor 72 is a kind of force sensor and can measure a load received by the crossbar 30 when the cables are installed on the crossbar 30. The load measuring sensor 72 may be a three-axis load measuring sensor (X, Y, Z axis). The moisture sensor 74 is a sensor using electrodes made of conductive material to be spaced apart from each other and having conductivity between the electrodes when water is added thereto. The moisture generated in an environment in which the cable tray is installed is applied to the crossbar 30, It can detect the presence of moisture in the service server and transmit the presence or absence of moisture to the service server. A temperature measurement sensor 71 is attached to the inner side surfaces of the side rails 10, 20. The temperature measuring sensor 71 can measure the ambient air temperature of the installation space in which the cable tray is installed and transmit temperature information to the service server in real time. The information transmitting module 73 may be attached to the side rails 10, 20 or the cross bar 30 (in the case of the side rails 10, 20 shown in Fig. 1). The information transmission module 73 can transmit scale information (size information), location information, and model information of the cable tray to the service server. In one embodiment, the information sending module 73 may communicate with the service server in both directions. The information transmission module 73 may include a storage module for storing the scale information, location information, and model information, and a communication module for information transmission or communication. In this case, the scale information indicates the size specification information of the cable tray, the position information indicates the position information of the space in which the cable tray is installed, and the model information indicates that the user identifies a specific cable tray among the plurality of cable trays And may be any identification information assigned to each cable tray. By transmitting the information to the service server in the information transmission module 73, the service server can identify or specify the cable tray that transmits the information from the other cable trays. The load measurement sensor 72, the moisture sensor 74, the temperature measurement sensor 71, and the information transmission module 73 may transmit various information to the service server through wireless communication. For example, wireless communication such as wireless LAN, wireless network such as WAN, Bluetooth, Wi-Fi, and the like can be used. The service server can receive the environmental factors such as the load information of the cable tray, the presence of water, and the ambient temperature in real time through the load sensor 72, the moisture sensor 74 and the temperature sensor 71 And receives the location information, size, model information, and the like of the corresponding cable tray through the information transmission module 73, and identifies or identifies the corresponding cable tray. That is, the service server can monitor various cable trays in real time. The cable tray smart system using this will be described with reference to the other drawings. That is, the cable tray according to the present invention allows the operator (maintenance manager) to check the status of the cable and the cable tray at any time, You can take action.

The cable tray according to the present invention may further include one or more fire-diffusion preventing members (60) detachably coupled to the cross bar (30). The fire spread preventing member 60 is installed on the cross bar 30 to prevent or delay the spread of the flame when a fire occurs in the cable installed above the cross bar 30, thereby minimizing the loss due to the fire. 3 is a view showing the fire prevention member 60 separately in the smart cable tray of Fig. 3, the fire-preventing member 60 includes a holding member 61, 62, 63 and an arcing plate 64 vertically coupled to the upper surface of the holding members 61, 62, do. The gripping members 61, 62 and 63 include a horizontal piece 61 lying on the upper surface of the crosspiece 30, a pair of vertical pieces 62 extending downward from both ends of the horizontal piece 61, And a pair of protruding pieces 63 projecting inwardly from the end of the vertical piece 62 by a predetermined size. At this time, the vertical piece 62 is formed to have a predetermined angle inclination in the inward direction, so that the holding members 61, 62, and 63 are formed to have an inverted trapezoidal shape as a whole. 3, the holding members 61, 62, and 63 are formed in such a shape that the horizontal piece 61, the vertical piece 62, and the projecting piece 63 are shaped to grip the crosspiece 30, (30) can be held in a form accommodated in the inner space of the holding members (61, 62, 63). The gripping members 61, 62, 63 may be formed of an elastic material. For example, the gripping members 61, 62, 63 may be formed of an elastic SUS material. The gripping members (61, 62, 63) can be coupled to the cross bar (30) in an interference fit manner through the elastic force of the elastic material. For example, when the pair of projecting pieces 63 are pressed in the outward direction, the pair of projecting pieces 63 and the vertical pieces 62 can elastically deform in the outward direction. The space between the pair of projecting pieces 63 can be expanded by the elastic deformation to be larger than the width of the cross bar 30 and the cross bar 30 can be accommodated in the inner space of the grip members 61, When the pressing force is released, the pair of projecting pieces 63 and the vertical pieces 62 are restored to their original shapes, and the holding members 61, 62 and 63 can be engaged with the cross bar 30 by the interference fit method. It is also possible to remove the gripping members 61, 62, 63 from the crosspiece 30 by proceeding in the reverse order of the above description. In other words, the gripping members 61, 62 and 63 can be coupled to or disengaged from the cross bar 30 in a simple manner, and the plurality of fire-spreading preventing members 60 can be easily removed according to the size, Can be freely joined to or disengaged from the crossbar (30). The flameproof plate 64 engages vertically on top of the gripping members 61, 62, 63. 3, the flameproof plate 64 is coupled to the gripping members 61, 62, 63 such that the wide side thereof is parallel to the side rails 10, 20. Thus, a cable can be installed between the fire prevention plates 64 of the two fire prevention members 60 located side by side. Therefore, when a fire occurs in the installed cable, the flame is clogged on both sides by the fire plate 64, so that the diffusion of the flame can be prevented. The flameproof plate 64 may be formed of a conventional flame retardant material and may be formed in the form of a hard polyurethane foam, for example, a sponge-like porous material made of a flame retardant material and a diisocyanate. Diffusion of the flame can be prevented when a fire occurs in the cable through the fire diffusion preventing member 60 as described above, thereby minimizing the loss.

4 is a diagram illustrating a concept of a cable tray smart system according to an embodiment of the present invention. 4, the cable tray smart system includes a service server 120, a DB 130, a web server 140, a wired / wireless communication network 150, a terminal 160, a wireless communication network 110, a smart cable tray 100 ). The service server 120 may receive the environmental factor information of the smart cable tray 100 from the smart cable tray 100 through the wireless communication network 110. [ The environmental factor information can be classified, processed, and stored according to a predetermined algorithm. For example, the service server 120 may generate a warning alarm and transmit it to the terminal 160 when the load information transmitted from the smart cable tray 100 exceeds a preset load threshold. Or generates a warning alarm and transmits it to the terminal 160 when receiving notification of the presence of moisture from the smart cable tray 100. [ Or when the temperature information transmitted from the smart cable tray 100 exceeds a predetermined temperature threshold, the alarm alarm may be generated and transmitted to the terminal 160. [ At this time, since the scale information, the position information, and the model information of the smart cable tray are received from the information transmitting module of the smart cable tray 100, when the warning alarm is transmitted to the terminal 160, the smart cable tray is specified Lt; / RTI > The DB 130 stores and manages all data received by the service server 120, all data classified and processed by the service server 120, and data received from the terminal 160. The DB 130 includes a conventional storage device, a conventional computer program capable of managing and processing the data, and the like. The web server 140 provides a web page or the like for connecting the terminal 160 and the service server 120. The web server 140 may be connected to the wired or wireless communication network 150 (E.g., visiting a web page, logging in to a web service provided in a web page) through the web server 140 (e.g., via a web browser). The terminal 160, which is held by the worker (maintenance manager), may include all terminals such as a mobile phone, a smart phone, a tablet PC, a desktop computer, a notebook computer, and other handheld computers. The operator (maintenance manager) accesses the service server 120 through various web services provided by the web server by accessing the web server 140 through the ordinary wired / wireless communication network 150 to the terminal 160, It is possible to monitor the surrounding environment of the cable tray and receive an alarm notification from the service server 120 about the surrounding environment of the smart cable tray. In one embodiment, in the event of a fire in a cable installed in a smart cable tray, ambient temperature measured in real time on a temperature measurement sensor installed in the smart cable tray will rapidly rise, And transmitted to the server 120 in real time. In the service server 120, the temperature information is data exceeding a preset threshold value, so that an alert notification can be generated and transmitted to the terminal 160 of the worker through the wired / wireless communication network 150. At this time, the service server 120 can transmit location information, scale information, and the like of the smart cable tray together. The operator can receive the notification and immediately enter the smart cable tray to perform maintenance such as the cable, so that the user can take prompt action in the event of a problem.

As described above, the smart cable tray according to embodiments of the present invention senses environmental factors such as the load of the cable tray, the presence of water, and the ambient temperature through the attached load measurement sensor, the moisture sensor, and the temperature measurement sensor By transmitting to the service server, the operator (maintenance manager) can check the state of the cable and cable tray anytime and anywhere, and can take quick action in case of trouble, , It is possible to prevent the spread of the flame when a fire occurs in the cable, so that the loss can be minimized.

Embodiments of the present invention have been described above. However, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the appended claims. It will be understood that various modifications may be made in the invention, and that such modifications are also included within the scope of the present invention.

10,20: side rail 30: crossbar
40: inner engaging member 50: outer engaging member
60: fire prevention member 71: temperature measurement sensor
72: load measuring sensor 73: information transmitting module
74: Moisture sensor

Claims (3)

A pair of side rails having a plurality of through holes formed at predetermined intervals at the front end facing each other;
A plurality of transverse arms coupled between the side rails in a direction perpendicular to the side rails and supporting the cables from below;
An inner engaging member tightly coupled to an inner surface of the side rail and formed with a plurality of protruding claws projecting through the through holes;
An outer engaging member which is closely fitted to the outer side surface of the side rail and in which a plurality of fixing holes are drilled so as to form a fixing portion through which a plurality of protruding claws penetrating through the through holes penetrate;
A first horizontal piece projecting from the outer side surface of the side rail so as to have a predetermined size and a second vertical piece extending upward from the first horizontal piece, And a protrusion protruding from the first vertical piece in a direction of an outer surface of the side rail to a predetermined size;
A load measuring sensor attached to a surface of the cross bar to measure a load applied to the cross bar in real time and transmit the measured value to a service server;
A moisture sensor attached to a surface of the cross bar to detect whether water is present in the cross bar in real time and transmit a notification to the service server when moisture is detected;
A temperature measuring sensor attached to an inner surface of the side rail to measure an ambient temperature in real time and transmit the measured value to the service server; And
And at least one fire-diffusion preventing member detachably coupled to the cross bar,
The fire spread prevention member includes a second horizontal piece which is formed of an elastic material and which is held in an upper space so as to receive the cross bar in an upper space and is placed on an upper surface of the cross bar, A gripping member including a pair of second vertical pieces to be formed and a pair of protruding pieces each protruding a predetermined size inward in an end direction of the second vertical piece; A smart cable tray comprising a fire retardant plate formed from a flame retardant material. The method according to claim 1,
Further comprising an information transmitting module attached to the side rail or the cross bar to transmit scale information, location information, and model information of the smart cable tray to the service server. A smart cable tray according to claim 2;
Wherein the smart cable tray receives at least one of load information, moisture presence information, temperature information, scale information, position information, and model information of the smart cable tray from the smart cable tray through a wireless communication network and classifies, A service server for storing;
A DB for storing and managing information received by the service server; And
And a web server for providing a web page for connecting the terminal with the service server.

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