KR102159296B1 - Bus duct and method for assembling the same - Google Patents

Abstract

According to an embodiment of the present invention, provided is a bus duct. The bus duct comprises: a duct unit provided with a bus bar; a tap bar electrically connected to the bus bar and exposed to the outside of the duct unit; a connection kit having a connection assembly formed with a first binding space portion for accommodating the vertically inserted tab bar, and a second binding space portion for accommodating a horizontally inserted connection bar, and electrically connected to the tab bar and the connection bar; and a connection box slidingly moving along a longitudinal direction of the duct unit and provided with the connection bar electrically connected to the connection kit. In a state in which the connection kit and the connection box are coupled, an operator can visually check a coupling state of the tab bar, the connection assembly, and the connection bar from the outside.

Description

Bus duct and its assembly method {BUS DUCT AND METHOD FOR ASSEMBLING THE SAME}

The present invention relates to a bus duct and a method for assembling the bus duct, and more particularly, to a bus duct and a method for assembling the bus duct, which is made so that an operator can directly visually check the bonding state of the tab bar and the connection assembly and the connection bar. .

In general, cables have been used a lot in the past as a medium for transmitting electrical energy, but bus ducts are widely used as a replacement for cables in recent years. Such a bus duct is widely used in high-rise buildings or apartments, large-scale factories, and plant facilities with high demand for electricity.

Such a bus duct is not only easy to expand and relocate, but is also widely used in places that use a relatively large amount of power because it is easy to handle when an abnormality or accident occurs on the power wiring of the bus bar and can be quickly restored.

Moreover, compared to the past, since the current building electricity supply system is increasingly larger and requires energy of various capacities, the use of bus ducts with safe and low energy loss is rapidly increasing in line with this trend.

Such a bus duct may be provided with a branching device for branching electricity, and the branching device may include a PH BOX (Plug in Hole Box). In such a PH box, a number of cables are connected while being electrically connected to the bus duct to supply branched electricity to a required place.

However, if the electrical connection of the branch device with the bus duct through which high-voltage current flows is not properly made, an accident such as a fire may occur. Therefore, accurate electrical connection between the bus duct and the branch device is very important.

However, in the prior art, in electrically connecting the bus duct and the branching device, there is a problem in that the work result varies depending on the skill level of the operator. That is, in the conventional bus duct and branch device, since the operator cannot directly visually check the joint portion of the bus duct and branch device from the outside, it was not possible to properly check whether the bus duct and the branch device are correctly connected.

In order to improve this problem, a technology has been developed that allows the operator to easily check whether the bus duct and the branch device are connected through the identification member, but only check whether the bus duct and the branch device are connected through the identification member. However, there is a problem in that it is not possible to directly check the electrical connection state between each component. That is, there is a problem that precise inspection cannot be performed because the operator cannot directly check the electrical connection state of the connection portion between the bus duct and the branch device.

1 is an exemplary view schematically showing an assembly state of a conventional bus duct and a branch device.

As shown in FIG. 1, the branch device 20 is electrically connected to the tab bar 12 electrically connected to the bus bar 11 provided in the bus duct 10.

Here, the connection conductor 21 provided in the branch device 20 is in line contact with the tab bar 12, and electrically connects the tab bar 12 and the connection conductor 22. However, in the coupling structure of the clip-type branch device 20 and the bus duct 10, the operator cannot directly check the connection part of the tab bar 12 and the connection conductor 21 from the outside, so it is possible to grasp the correct electrical connection state. Can't.

In addition, for the precise inspection of the bus duct 10 and the branch device 20, there is a difficulty in performing a detailed inspection in a state where the branch device 20 is completely separated from the bus duct 10.

Prior Document 1: Korean Patent Publication No. 10-2018-0010445 (2018.01.31)

The technical object of the present invention for solving the above problems is to provide a bus duct and an assembly method thereof, which is made so that an operator can directly visually check the bonding state of the tab bar, the connection assembly, and the connection bar from the outside.

In order to achieve the above technical problem, an embodiment of the present invention is a duct portion provided with a bus bar; A tab bar electrically connected to the bus bar and exposed to the outside of the duct part; A connection kit including a first binding space for receiving the vertically inserted tab bar and a second binding space for receiving a horizontally inserted connection bar, and including a connection assembly electrically connected to the tab bar and the connection bar; And a junction box with the connection bar slidably moved along the length direction of the duct part and electrically connected to the connection kit. In a state in which the connection kit and the connection box are coupled, the operator It provides a bus duct made to be able to visually check the bonding state of the connection assembly and the connection bar.

In an embodiment of the present invention, the connection kit has an outer shape but forms a first accommodation space therein, and a first insertion hole through which the tab bar is inserted is formed on a lower surface thereof, and the connection bar is formed on one side thereof. A first housing having a second insertion hole inserted therethrough; A connection assembly provided inside the first accommodating space part, the first binding space part and the second binding space part formed therein; And a first door part hinge-coupled to the first housing and selectively opening and closing a first upper surface opening hole formed on an upper part of the first housing, and a first door part fixedly installed in the duct part at a lower part of the first housing. 1 A fixing bracket may be provided.

In an embodiment of the present invention, the connection assembly includes: a plurality of insulating plates having a first through hole formed in the center and spaced apart from each other in the width direction of the first housing; A conductive plate having a second through hole formed in the center, provided on the inner side of the insulating plate facing each other, and forming the first binding space portion and the second binding space portion; A conductive member having a third through hole formed in the center, provided between the conductive plates spaced apart from each other, electrically connected to the conductive plate, and electrically connected to the tab bar and the connection bar; A support plate provided on the outermost side of the insulating plate disposed spaced apart from each other; A support fixing part that is coupled to the inner surface of the first housing, and the upper end is coupled to the support plate to fix the support plate to the first housing; A washer part provided on the outer surface of the support plate and having a fourth through hole formed at the center thereof; And a fastening part that is inserted through the first through hole through the fourth through hole and supports and fixes the insulating plate, the energizing plate and the conductive member, and the tab bar and the second binding space inserted into the first binding space part. The connection bar inserted into the part may be in surface contact with the conductive plate.

In an embodiment of the present invention, the conductive member comprises an outer shape, and a body portion having a rotation preventing groove formed on one side and the other side; A first protrusion protruding from one side and the other side of the body portion and electrically connected to the energizing plate; And a second protrusion protruding from one side and the other side of the body portion, forming the third through hole, and having an end portion supported and fixed to the insulating plate, and an outer surface of the body portion toward the first binding space portion. The tab bar to be inserted may be in contact with the connection bar to be inserted into the second binding space.

In one embodiment of the present invention, the energizing plate may be provided with a rotation preventing part inserted into the rotation preventing groove to prevent rotation of the conductive member.

In one embodiment of the present invention, the energizing plate may be inserted and fixed in a mounting fixing groove formed in the insulating plate.

In an embodiment of the present invention, the junction box comprises: a second housing forming an outer shape and having a second accommodation space therein; A blocking control unit provided inside the second accommodation space, wherein a first connection terminal is provided at one end and a second connection terminal is provided at the other end; A connection bar having one end coupled to the first connection terminal and the other end inserted into the second binding space; And a second door hingedly coupled to the second housing and selectively opening and closing a second upper surface opening hole formed on the second housing, and a movement guide member is provided at a lower portion of the second housing, wherein the The second housing may slide along the length direction of the duct part.

In one embodiment of the present invention, when the first coupling bracket provided in the connection kit and the second coupling bracket provided in the connection box are coupled by a coupling member, a first gasket provided on one surface of the connection kit and The second gasket provided on one surface of the junction box may be closely coupled.

In one embodiment of the present invention, the first housing is provided with a side cover portion for selectively blocking a side opening hole formed on the side of the first housing, and is coupled to a second fixing bracket coupled to the first housing, And a first protection member blocking the first upper surface opening hole, and the first protection member may be made of a transparent material.

In one embodiment of the present invention, a) coupling the connection kit to the duct portion so that the tab bar connected to the duct portion is vertically inserted into the first coupling space portion of the connection assembly; b) sliding the junction box along the longitudinal direction of the duct portion so that the connection bar provided in the junction box is horizontally inserted into the second binding space portion of the connection assembly, and coupling the junction box to the connection kit; And c) tightening a fastening part provided in the connection assembly in a state in which the tab bar is inserted in the first binding space and the connection bar is inserted in the second binding space, and electrically connects the tab bar, connection assembly, and connection bar. It provides a method of assembling a bus duct comprising the step of coupling to be connected.

The effects of the bus duct and its assembly method according to the present invention described above are as follows.

According to the present invention, the bus duct can accurately grasp the electrical connection state of the bus duct because the operator can directly visually check the tab bar, the connection assembly, and the connection bar to which electrical connection is made.

Therefore, when installing on-site, the electrical connection between the duct part, the connection kit, and the junction box can be made accurately, conveniently, and quickly. And at the time of on-site installation, anyone can accurately electrically connect the duct part, the connection kit and the junction box regardless of the skill level of the operator. Accordingly, on-site workability can be improved.

In addition, even during maintenance of the bus duct, the operator can directly visually check the tab bar, the connection assembly, and the connection bar to which the electrical connection is made, so that precise inspection is possible and the inspection time can be shortened.

According to the present invention, since the connection assembly is in surface contact with the tab bar and the connection bar, contact resistance is minimized to improve voltage drop, and it is possible to prevent accidents such as fire due to poor contact between electrical connection parts. In other words, since the conventional bus duct is electrically connected in line contact with the clip-type connection conductor and the tab bar, the contact failure rate of the electrical connection portion is very high. And when the clip-type connection conductor is bent by plastic deformation, the electrical connection between the connection conductor and the tab bar is very unstable.

On the other hand, since the connection assembly according to the present invention makes surface contact with the tab bar and the connection bar, electrical stability is very excellent compared to the conventional bus duct. That is, the possibility of an accident due to poor contact with the tab bar, the connection assembly, and the connection bar may be reduced.

The effects of the present invention are not limited to the above effects, and should be understood to include all effects that can be inferred from the configuration of the invention described in the detailed description or claims of the present invention.

1 is an exemplary view schematically showing an assembly state of a conventional bus duct and a branch device.
2 is a perspective view of a bus duct to which a duct part, a connection kit, and a junction box are combined according to an embodiment of the present invention.
3 is an exploded perspective view of a bus duct from which a duct part, a connection kit, and a junction box are separated according to an embodiment of the present invention.
4 is a perspective view showing a duct portion and a tab bar according to an embodiment of the present invention.
5 is a perspective view as viewed from above of a connection kit according to an embodiment of the present invention.
6 is a perspective view as viewed from the bottom of the connection kit according to an embodiment of the present invention.
7 is a perspective view of a connection assembly according to an embodiment of the present invention.
8 is an exploded perspective view of a connection assembly according to an embodiment of the present invention.
9 is an exemplary cross-sectional view of a connection assembly according to an embodiment of the present invention.
10 is an exemplary view showing an insulating plate, a conductive plate, and a conductive member of a connection assembly according to an embodiment of the present invention.
11 is a plan view of a booth duct according to an embodiment of the present invention.
12 is a plan view illustrating a state in which a tab bar, a connection bar, and a connection assembly are combined according to an embodiment of the present invention.
13 is a flowchart showing an assembly process of a bus duct according to an embodiment of the present invention.

Hereinafter, the present invention will be described with reference to the accompanying drawings. However, the present invention may be implemented in various different forms, and therefore is not limited to the embodiments described herein. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and similar reference numerals are assigned to similar parts throughout the specification.

Throughout the specification, when a part is said to be "connected" to another part, this includes not only "directly connected" but also "indirectly connected" with another member interposed therebetween. . In addition, when a part "includes" a certain component, it means that other components may be further provided, rather than excluding other components unless specifically stated to the contrary.

In the present invention, the upper and lower portions mean that they are positioned above or below the target member, and do not necessarily mean that they are positioned above or below the gravitational direction.

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

2 is a perspective view of a bus duct in which a duct part, a connection kit, and a junction box are combined according to an embodiment of the present invention, and FIG. 3 is a duct part, a connection kit, and a junction box according to an embodiment of the present invention. An exploded perspective view of a bus duct, FIG. 4 is a perspective view showing a duct part and a tab bar according to an embodiment of the present invention, FIG. 5 is a perspective view of a connection kit according to an embodiment of the present invention as viewed from above, and FIG. 6 is A perspective view of a connection kit according to an embodiment of the present invention viewed from the bottom, Figure 7 is a combined perspective view of the connection assembly according to an embodiment of the present invention, Figure 8 is an exploded view of the connection assembly according to an embodiment of the present invention Fig. 9 is a perspective view, and Fig. 9 is an exemplary cross-sectional view of a connection assembly according to an embodiment of the present invention, and Fig. 10 is an exemplary view showing an insulating plate, a conductive plate, and a conductive member of the connection assembly according to an embodiment of the present invention, 11 is a plan view of a booth duct according to an embodiment of the present invention, and FIG. 12 is an exemplary view viewed from a plan view of a state in which a tab bar, a connection bar, and a connection assembly according to an embodiment of the present invention are combined.

As shown in FIGS. 2 to 12, the bus duct 1000 may include a duct part 100, a tab bar 200, a connection kit 300, and a junction box 400.

Here, an internal space (not shown) is formed inside the duct 100, and a bus bar 110 may be provided in the corresponding internal space. That is, the duct part 100 is made to protect the bus bar 110 embedded in the duct part 100.

The duct part 100 may be made of an aluminum material. In this way, the duct portion 100 made of an aluminum material has a light weight, so that the installation work of the bus duct 1000 can be easily performed. Here, the material of the duct unit 100 is not necessarily made of aluminum, but may be made of various materials other than aluminum.

In addition, the tab bar 200 is electrically connected to the bus bar 110 provided inside the duct unit 100. In this way, the connection kit 300 and the connection box 400 through the tab bar 200 electrically connected to the bus bar 110 serve as a PH BOX configured to supply the branched electricity to the required place. do.

One end of the tab bar 200 is electrically connected to the bus bar 110, and the other end is exposed to the outside of the duct 100.

Meanwhile, the connection kit 300 is configured to be electrically connected to the other end of the tab bar 200. That is, the tab bar 200 is inserted into the first binding space 331 formed in the connection kit 300, and the tab bar 200 and the connection kit 300 may be electrically connected.

The connection kit 300 may include a first housing 310, a first door part 320, and a connection assembly 330.

Here, the first housing 310 forms the outer shape of the connection kit 300, and a first accommodation space 311 is formed therein. A first insertion hole 312 is formed on the lower surface of the first housing 310, so that the tab bar 200 may be inserted through the first housing 310 through the first insertion hole 312. .

A first fixing bracket 313 is provided at the lower portion of the first housing 310, and the first housing 310 is integrally fixed and installed on the upper portion of the duct 100 through coupling members such as bolts and nuts. Can be.

In addition, a second insertion hole 314 is formed on one side of the first housing 310. The connection bar 430 provided in the junction box 400 may be inserted through the second insertion hole 314.

Accordingly, when the duct part 100, the connection kit 300, and the junction box 400 are combined, the tab bar 200 and the connection bar 430 are connected to the connection assembly 330 provided inside the connection kit 300. ) And electrical connection can be made. At this time, the tab bar 200 is inserted into the first binding space 331 of the connection assembly 330, and the connection bar 430 is inserted into the second binding space 332 of the connection assembly 330. The tab bar 200 and the connection bar 430 may be electrically connected to the connection assembly 330. Here, the tab bar 200 is vertically inserted into the first binding space 331, and the connection bar 430 is horizontally inserted into the second binding space 332. The coupling structure of the tab bar 200, the connection bar 430, and the connection assembly 330 will be described later.

Meanwhile, a first protection member 318 may be provided in the first housing 310. This first protection member 318 is removed from the outside in the process of checking the coupling state of the tab bar 200, the connection assembly 330, and the connection bar 430 in a state where the operator opens the first door part 320. 1 It is made to prevent objects, etc. from falling into the interior of the accommodation space 311. That is, the first protection member 318 is configured to protect each component accommodated in the first accommodation space 311 from the outside.

The first protection member 318 may be supported and fixed by the second fixing bracket 317 coupled to the first housing 310. Here, the first protection member 318 may be made of various materials such as transparent acrylic and glass. Since the first protection member 318 is made of a transparent material, the operator can accurately check the bonding state of the tab bar 200, the connection assembly 330, and the connection bar 430 with the naked eye.

In addition, a side cover portion 319 is formed on the first housing 310. The side cover part 319 is formed to block a side opening hole (not shown) formed on the side of the first housing 310.

For example, when an operator tightens or looses the connection assembly 330 provided inside the first accommodation space 311 using a work tool, the operator may replace the side cover portion 319 with the first housing 310 The connection assembly 330 may be tightened or loosened in a state in which the work tool is inserted into the side opening hole after being separated from it. Therefore, the tab bar 200, the connection assembly 330, and the connection bar 430 accommodated in the first housing 310 are safely protected from the outside, as well as the tab bar 200, the connection assembly 330, and the connection bar 430. ) Can be easily combined.

Meanwhile, the first door part 320 is hinge-coupled with the first housing 310. The first door part 320 is configured to selectively open and close the first upper surface opening hole 301 formed on the first housing 310 through rotation. For example, when the operator checks the state of the tab bar 200, the connection assembly 330, and the connection bar 430 provided inside the first housing 310, the operator is the first door unit in the locked state ( After unlocking the locking device 320, the electrical connection status of each component provided in the first housing 310 can be directly checked with the naked eye while the first door part 320 is opened.

Meanwhile, the connection assembly 330 is provided inside the first accommodation space 311. The connection assembly 330 includes a first binding space 331 into which the tab bar 200 is inserted and a second binding space 332 into which the connection bar 430 is inserted.

Such a connection assembly 330 includes an insulating plate 340, a conductive plate 350, a conductive member 360, a support plate 370, a support fixing part 380, a washer part 390, and a fastening part 395. It may include.

The connection assembly 330 is configured to effectively connect the tab bar 200 and the connection bar 430 to each other.

Here, the insulating plate 340 has a first through hole 341 formed at the center thereof. The insulating plates 340 are spaced apart from each other in the width direction of the first housing 310.

In addition, a second through hole 351 is formed in the center of the energizing plate 350. Such a conductive plate 350 is provided inside the insulating plate 340 facing each other. Here, the conducting plate 350 is formed to be inserted and fixed in the mounting fixing groove 342 formed in the insulating plate 340. That is, the conductive plate 350 may be supported and fixed to the insulating plate 340 while being inserted into the mounting fixing groove 342.

In this way, the conducting plates 350 provided inside the insulating plate 340 are made to face each other, and the spaced conducting plates 350 are connected to the first binding space part 331 into which the tab bar 200 is inserted. A second binding space portion 332 into which the bar 430 is inserted is formed.

The energizing plate 350 may be coupled to be in surface contact with the tab bar 200 inserted into the first binding space 331 and the connection bar 430 inserted into the second binding space 332.

In addition, the conductive member 360 has a third through hole 361 formed at the center thereof. The conductive member 360 is provided between the spaced apart conductive plates 350. Such a conductive member 360 partitions the first binding space 331 and the second binding space 332.

The conductive member 360 is provided between the conductive plate 350 and is made to be electrically connected to the conductive plate 350. And such a conductive member 360 is disposed in the middle of the tab bar 200 inserted into the first binding space portion 331 and the connection bar 430 inserted into the second binding space portion 332, the tab bar 200 ) And the connection bar 430 are electrically connected. Here, the conductive member 360 is made to contact the tab bar 200 inserted into the first binding space 331 and the connection bar 430 inserted into the second binding space 332.

In this way, the conductive plate 350 is made to be in surface contact with the tab bar 200 and the connection bar 430, and the conductive member 360 is also made to contact the tab bar 200 and the connection bar 430, so that the tab bar When power is supplied from 200 to the connection bar 430, contact resistance is minimized, and voltage drop can be improved. In other words, in the bus duct 1000 according to the present invention, the tab bar 200, the connection assembly 330, and the connection bar 430 are made to be in contact with each other, thereby preventing accidents such as fire due to contact failure of the electrical connection part. Can be prevented. In addition, power can be effectively supplied from the tab bar 200 to the connection bar 430.

The conductive member 360 may include a body portion 362, a first protrusion 363 and a second protrusion 364.

Here, the body portion 362 forms the outer shape of the conductive member 360. A rotation preventing groove 365 is formed on one side and the other side of the body portion 362. A rotation preventing portion 352 having a shape corresponding to the rotation preventing groove 365 formed in the energizing plate 350 is inserted into the rotation preventing groove 365. Accordingly, rotation of the conductive member 360 can be prevented.

Here, the rotation preventing part 352 is provided in a straight line along the height direction of the energizing plate 350. Accordingly, rotation of the body portion 362 may be prevented when the rotation preventing portion 352 is inserted into the rotation preventing groove 365. The rotation preventing part 352 is described as an example in which the cross-sectional shape is a triangular shape, but it is a matter of course that the cross-sectional shape of the rotation preventing part 352 may have various shapes such as a square and a pentagon.

In addition, the first protrusion 363 is formed to protrude from one side and the other side of the body portion 362. The first protrusion 363 is formed to contact the energizing plate 350. Accordingly, the first protrusion 363 may be electrically connected to the conductive plate 350.

In addition, the second protrusion 364 is formed to protrude from one side and the other side of the body part 362. The second protrusion 364 forms a third through hole 361, and the end of the second protrusion 364 is supported and fixed in a state in contact with the insulating plate 340.

Meanwhile, the support plate 370 is provided on the outermost side of the insulating plate 340 disposed spaced apart from each other. The support plate 370 may be supported and fixed in the first accommodation space 311 by a support fixing part 380 fixedly installed on the first housing 310.

The lower end of the support fixing part 380 is coupled to the inner surface of the first housing 310, and the upper end is coupled to the support plate 370. The support fixing part 380 separates the support plate 370 from the bottom surface of the first housing 310 so that the support plate 370 is disposed at a position required from the bottom surface of the first housing 310.

And the washer part 390 is provided on the outer surface of the support plate 370. The washer part 390 has a fourth through hole 391 formed in the center. The washer part 390 may increase the fastening force of the connection assembly 330 when the connection assembly 330 is tightened. That is, the washer part 390 allows the connection assembly 330 to be firmly assembled.

In addition, the fastening part 395 may control tightening and loosening of the connection assembly 330. The fastening part 395 is inserted through the first through hole 341 to the fourth through hole 391, and supports and fixes the insulating plate 340, the energizing plate 350, and the conductive member 360. The fastening part 395 may be formed of a bolt and a nut.

In such a fastening part 395, the tab bar 200 is inserted into the first binding space 331 and the connection bar 430 is inserted in the second binding space 332 through a tightening process. 200) and the connection bar 430 to be firmly coupled to the connection assembly 330.

On the other hand, the junction box 400 is made to be movable along the longitudinal direction of the duct 100. The junction box 400 slides the duct portion 100 and may be electrically connected to the connection kit 300.

Such a junction box 400 is made to distribute the power transmitted from the bus bar (110).

The junction box 400 may include a second housing 410, a blocking control unit 420, a connection bar 430, and a second door part 440.

Here, the second housing 410 forms the outer shape of the junction box 400, and a second accommodation space 411 is formed therein. A movement guide member 412 is provided under the second housing 410, so that the second housing 410 may be moved along the length direction of the duct part 100.

A second protection member 414 such as the first protection member 318 may be provided in the second housing 410. The second protection member 414 may be made of a transparent material.

In addition, the blocking control unit 420 is provided inside the second accommodation space 411. A first connection terminal 421 is provided at one end of the blocking control unit 420 and a second connection terminal 422 is provided at the other end.

Here, a connection bar 430 may be coupled to the first connection terminal 421, and a terminal lug (not shown) may be coupled to the second connection terminal 422. A distribution cable (not shown) may be connected to such a terminal lug, for example. Accordingly, power transmitted from the bus bar 110 may be supplied to various distribution cables coupled to the second connection terminal 422 through the connection bar 430.

In addition, the second door part 440 is hinged to the second housing 410. The second door portion 440 is configured to selectively open and close the second upper surface opening hole 415 formed on the second housing 410 through rotation. For example, when the operator checks the state of the blocking control unit 420 and the connection bar 430 provided inside the second housing 410, the operator rotates the second door unit 440 in the closed state. Each component inside can be checked in the state.

Meanwhile, various detectors (not shown) may be further provided in the junction box 400.

Such a detector, for example, may be configured to detect a temperature change in the portion of the first connection terminal 421 and the second connection terminal 422, or to detect the temperature inside the junction box 400, and to determine the leakage current. The blocking control unit 420 may be configured to sense information. It goes without saying that such a detector may detect various state information of the bus duct 1000 in addition to the above-mentioned contents.

In this way, various state information sensed by the detector may be provided to an operator through, for example, a display unit (not shown) provided outside the second housing 410.

On the other hand, since the duct part 100, the connection kit 300 and the junction box 400 are electrically connected, the connection kit 300 and the junction box 400 are rigidly coupled. In other words, the connection kit 300 is provided with a first coupling bracket 315, the junction box 400 is provided with a second coupling bracket 401, the first coupling bracket 315 and the second coupling bracket ( 401) may be firmly coupled by a coupling member such as bolts and nuts. Therefore, the connection kit 300 and the junction box 400 may be integrally combined.

Here, a first gasket 316 is provided on one surface of the connection kit 300, and a second gasket 413 is provided on one surface of the connection box 400. The first gasket 316 and the second gasket 413 are in close contact with each other when the connection kit 300 and the connection box 400 are coupled.

The first gasket 316 and the second gasket 413 are configured to block the inflow of dust, water, and foreign substances into the joint portion between the connection kit 300 and the junction box 400. That is, the first gasket 316 and the second gasket 413 serve as dustproof, moistureproof, and waterproof.

The bus duct 1000 according to the present invention is easily installed on-site as the duct unit 100, the connection kit 300, and the connection box 400 are individually detachable.

And, for example, when repair and replacement of the connection kit 300 is required, the operator may separate only the connection kit 300 and replace the defective part or the entire connection kit 300. Therefore, compared to the case where the connection kit 300 and the junction box 400 are provided integrally, the repair work is simple and the replacement cost can be minimized.

13 is a flow chart showing the assembly process of the bus duct according to an embodiment of the present invention. First, the tab bar 200 connected to the duct 100 is perpendicular to the first binding space 331 of the connection assembly 330 The duct part 100 and the connection kit 300 are combined so as to be inserted so as to be inserted. (S100)

Next, the connection box 400 along the length direction of the duct part 100 so that the connection bar 430 provided in the connection box 400 is horizontally inserted into the second binding space 332 of the connection assembly 330. ) To slide, and integrally combine the connection kit 300 and the junction box 400. (S200)

Finally, a fastening part provided in the connection assembly 330 in a state in which the tab bar 200 is inserted into the first binding space 331 and the connection bar 430 is inserted into the second binding space 332 ( 395) is tightened, and the tab bar 200, the connection assembly 330, and the connection bar 430 are electrically connected to each other. (S300)

However, this is only a preferred embodiment of the present invention, and the scope of the present invention is not limited by the scope described in this embodiment.

The above description of the present invention is for illustrative purposes only, and those of ordinary skill in the art to which the present invention pertains will be able to understand that it can be easily modified into other specific forms without changing the technical spirit or essential features of the present invention. will be. Therefore, it should be understood that the embodiments described above are illustrative in all respects and not limiting. For example, each component described as a single type may be implemented in a distributed manner, and similarly, components described as being distributed may also be implemented in a combined form.

The scope of the present invention is indicated by the claims to be described later, and all changes or modified forms derived from the meaning and scope of the claims and their equivalent concepts should be interpreted as being included in the scope of the present invention.

100: duct part
110: busbar
200: tab bar
300: connection kit
301: first upper surface open hole
310: first housing
311: first accommodation space portion
312: first insertion hole
313: first fixing bracket
314: second insertion hole
315: first coupling bracket
316: first gasket
317: second fixing bracket
318: first protection member
319: side cover portion
320: first door portion
330: connection assembly
331: first binding space portion
332: second binding space portion
340: insulation plate
341: first through hole
342: mounting fixing groove
350: energizing plate
351: second through hole
352: anti-rotation unit
360: conductive member
361: third through hole
362: body part
363: first protrusion
364: second protrusion
365: anti-rotation groove
370: support plate
380: support fixing part
390: washer part
391: fourth through hole
395: fastening part
400: access box
401: second coupling bracket
410: second housing
411: second accommodation space portion
412: moving guide member
413: second gasket
414: second protection member
415: second upper surface open hole
420: blocking control unit
421: first connection terminal
422: second connection terminal
430: connection bar
440: second door portion
1000: bus duct

Claims (10)

Duct portion provided with a bus bar;
A tab bar electrically connected to the bus bar and exposed to the outside of the duct part;
A connection kit including a first binding space for receiving the vertically inserted tab bar and a second binding space for receiving a horizontally inserted connection bar, and including a connection assembly electrically connected to the tab bar and the connection bar; And
It slides along the longitudinal direction of the duct portion, and includes a junction box provided with the connection bar electrically connected to the connection kit,
In a state in which the connection kit and the junction box are coupled, the operator is made to be able to visually check the coupling state of the tab bar, the connection assembly, and the connection bar from the outside,
When the first coupling bracket provided in the connection kit and the second coupling bracket provided in the connection box are coupled by a coupling member, a first gasket provided on one surface of the connection kit and a second coupling bracket provided on one surface of the connection box The gasket is a bus duct that is closely coupled.
The method of claim 1,
The connection kit,
A first housing having an outer shape but forming a first accommodation space therein, a first insertion hole through which the tab bar is inserted, and a second insertion hole through which the connection bar is inserted on one side thereof;
A connection assembly provided inside the first accommodating space part, the first binding space part and the second binding space part formed therein; And
A first door hingedly coupled to the first housing and selectively opening and closing a first upper surface opening hole formed on an upper portion of the first housing,
A bus duct, characterized in that a first fixing bracket fixedly installed in the duct part is provided at a lower portion of the first housing.
The method of claim 2,
The connection assembly,
A plurality of insulating plates having a first through hole formed in the center and spaced apart from each other in the width direction of the first housing;
A conductive plate having a second through hole formed in the center, provided on the inner side of the insulating plate facing each other, and forming the first binding space portion and the second binding space portion;
A conductive member having a third through hole formed in the center, provided between the conductive plates spaced apart from each other, electrically connected to the conductive plate, and electrically connected to the tab bar and the connection bar;
A support plate provided on the outermost side of the insulating plate disposed spaced apart from each other;
A support fixing part that is coupled to the inner surface of the first housing, and the upper end is coupled to the support plate to fix the support plate to the first housing;
A washer part provided on the outer surface of the support plate and having a fourth through hole formed at the center thereof; And
It is inserted through the first through hole through the fourth through hole, and includes a fastening portion for supporting and fixing the insulating plate, the conductive plate and the conductive member,
The bus duct, characterized in that the tab bar inserted into the first binding space part and the connection bar inserted into the second binding space part are in surface contact with the conducting plate.
The method of claim 3,
The conductive member,
A body portion having an external shape and having a rotation preventing groove formed on one side and the other side;
A first protrusion protruding from one side and the other side of the body portion and electrically connected to the energizing plate; And
Doedoe protruding from one side and the other side of the body portion, forming the third through-hole, the end includes a second protrusion supported and fixed to the insulating plate,
The outer surface of the body portion is a bus duct, characterized in that in contact with the tab bar inserted into the first binding space portion and the connection bar inserted into the second binding space portion.
The method of claim 4,
A bus duct, characterized in that the energizing plate is provided with a rotation preventing portion inserted into the rotation preventing groove to prevent rotation of the conductive member.
The method of claim 3,
The energizing plate is a bus duct, characterized in that inserted and fixed in the mounting fixing groove formed in the insulating plate.
The method of claim 1,
The junction box,
A second housing forming an external shape and having a second accommodation space therein;
A blocking control unit provided inside the second accommodation space, wherein a first connection terminal is provided at one end and a second connection terminal is provided at the other end;
A connection bar having one end coupled to the first connection terminal and the other end inserted into the second binding space; And
And a second door hingedly coupled to the second housing and selectively opening and closing a second upper surface opening hole formed on an upper portion of the second housing,
A bus duct, characterized in that a movement guide member is provided at a lower portion of the second housing, and the second housing slides along a length direction of the duct part.
delete The method of claim 2,
The first housing is provided with a side cover portion for selectively blocking a side opening hole formed on the side of the first housing,
A bus duct, characterized in that the first protection member is provided with a second fixing bracket coupled to the first housing and blocks the first upper surface opening hole, wherein the first protection member is made of a transparent material.
a) coupling the connection kit to the duct portion so that the tab bar connected to the duct portion is vertically inserted into the first coupling space portion of the connection assembly;
b) sliding the junction box along the longitudinal direction of the duct portion so that the connection bar provided in the junction box is horizontally inserted into the second binding space portion of the connection assembly, and coupling the junction box to the connection kit; And
c) In a state in which the tab bar is inserted into the first binding space and the connection bar is inserted into the second binding space, tighten the fastening part provided in the connection assembly, and electrically connect the tab bar, connection assembly, and connection bar. Assembling method of the bus duct comprising the step of combining so as to.

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