KR100779233B1 - Cabinet pannel for distributing electric power - Google Patents

Abstract

A cabinet panel for distributing electric power is provided to have a supporting device for supporting the opposite side of a main circuit breaker of a main bus bar. A cabinet panel(100) for distributing electric power includes a main bus bar(210), a connecting device, a wrench bolt, a sub bus bar(220), and a nut. The main bus bar is connected to a main circuit breaker(110), and has a partially cut cross section. The connecting device is installed to surround the circumference of the main bus bar to have a movable assembling position along the length, and has a wrench bolt coupling groove at the upper surface thereof. The wrench bolt is installed through the wrench bolt coupling groove to fix the connecting device at the desired position of the main bus bar. The sub bus bar has a through hole through which the wrench bolt passes, and is electrically connected to the main bus bar. The nut is coupled with the outer peripheral surface of the wrench bolt protruded through the through hole of the sub bus bar to fix the sub bus bar to the connecting device.

Description

Distribution panel {cabinet pannel for distributing electric power}

1 is a diagram illustrating an example of an existing distribution board, and a reference picture showing an actual installation state.

Figure 2 is a plan view showing only the main part of the reference picture of Figure 1

3 is a plan view showing another example of the existing distribution panel

Figure 4 is an exploded perspective view of the busbar connection of Figure 3

5 is a cross-sectional view showing a combined state of FIG.

6 is a cross-sectional view showing another embodiment of the busbar connecting unit of FIG. 3.

7 is a plan view showing a distribution panel according to the present invention

8 is a drawing substitute reference perspective photo of a distribution panel according to the present invention of FIG.

Figure 9 is an exploded perspective view showing a busbar connection structure for the distribution panel according to the present invention

10 is a perspective view showing a coupled state of FIG.

11 is a sectional view of the main part of FIG.

12 is an exploded perspective view showing a bus bar support apparatus of the distribution panel according to the present invention

FIG. 13 is a perspective view illustrating a coupled state of FIG. 12. FIG.

14 is a cross-sectional view taken along line II of FIG. 13.

15 is an exploded perspective view showing an insulation tube-coated charity bar of a distribution panel according to the present invention;

FIG. 16 is a perspective view illustrating a coupled state of FIG. 15. FIG.

17 is a cross-sectional view of FIG.

18 is an exploded perspective view showing a connection portion between the main breaker and the busbar busbar

19 is a perspective view showing a coupled state of FIG.

20 to 22 are perspective views showing other embodiments of the busbar booth according to the present invention,

20 is a perspective view illustrating a structure in which a groove is formed on an upper side of a bus bar

FIG. 21 is a perspective view illustrating a bus booth bar having a hollow structure as a modified form of the bus booth bar of FIG. 10.

FIG. 22 is a perspective view illustrating a bus booth bar having a hollow structure as a modified form of the bus booth bar of FIG. 20.

Explanation of symbols on the main parts of the drawings

100: distribution panel 110: main circuit breaker

120: Short term 210: Bus booth

220: charity booth 310: connection bracket

310a: Wrench bolt Tightening hole 410: Wrench bolt

420: nut 510: support unit

511: Upper support member 511d: Assembly boss

512: lower support member 512a, 512b: support groove

512c: Shielding Wall 512d: Boss Insertion Groove

610: insulation tube 610a: incision

The present invention relates to a distribution panel, and more particularly, a new busbar connection device together with a new busbar connection device which enables easy and quick and stable mechanical and electrical connection between a busbar and a charity busbar installed inside the distribution board. A distribution panel provided with a supporting device or the like.

In general, a cabinet panel is provided with a switch for each branch circuit where the branch panel is divided from the trunk line to each branch circuit in industrial equipment circuits and indoor and outdoor circuit wiring of buildings. Say what you set.

This switchboard is a device that serves as an inlet for the converter that distributes the power supplied from the outside to the industrial equipment circuit and the indoor / outdoor circuit of the building according to the load capacity. Circuit breakers such as circuit breakers and earth leakage breakers are formed on the inner panel. In the event of overcurrent or short circuit, the circuit is disconnected from the main bus to prevent electrical safety accidents.

1 is a reference picture showing an example of a conventional distribution board, Figure 2 is a plan view showing the main portion of the reference picture of Figure 1, the distribution panel 100 most commonly used among the power device is the inner panel (P) The main circuit breaker 110 and the plurality of auxiliary circuit breakers 120 are installed in the plurality of booths for distributing power supplied from the outside by electrically connecting the main circuit breakers 110 and the auxiliary circuit breakers 120 with each other. A bus-bar is installed.

In addition, the busbar is connected to the bus terminal bar 11, one side of which is directly connected to the output terminal of the main circuit breaker 110 to induce power, and the auxiliary circuit breaker connected to the bus bus bar and distributed power ( Consists of the charity bus bar 21 to be supplied to the 120, the bus bus bar and the charity bus bar is interconnected by being fixed by a screw in a cross state.

However, the fastening method for the connection between the bus booth bar and the charity busbar of the existing distribution panel shown in FIGS. 1 and 2 has the following problems.

First, in the conventional connection fastening method, the bus bar 11 and the charity bus bar 21 have a gap in the connection part due to the assembly step of each, and the charity bus bar 21 to compensate for the gap. After bending the connection part of the bottom) and fixing with a screw there was a problem such as more work process and more troublesome.

In addition, the connection holes of the busbar busbar 11 and the charity busbar 21 should be drilled in advance in order to fasten with screws, and if the fastening holes are not located in a straight line, they can be fastened. No, there was a disadvantage that the problem of deterioration of work efficiency due to the position limitation.

In particular, when the arrangement of the circuit breakers are differently arranged or replaced, the inconvenience of having to disassemble and assemble all the screws coupled to the busbar busbar 11 and the charity busbar 21 occurs.

On the other hand, the registration room 20-0392733 discloses a structure designed to solve the problems of the existing distribution panel described above, it will be briefly described below.

3 is a plan view showing a distribution panel disclosed as the present invention of the registration room 20-0392733, Figure 4 is an exploded perspective view of the "A" part of Figure 3, Figure 5 is a cross-sectional view showing a coupling state of FIG.

The configuration of the distribution panel disclosed as the present invention in the registration room 20-0392733 is provided to surround the circumferential surface of the bus booth 11 and provided with a slider 30 having a tapping hole 32 formed on the upper surface thereof. The slider is fixed to the busbar bar 11 while being screwed to the tapping hole 32 of the 30, and a circumference for tightening the upper portion of the trunk portion 41 and the upper portion of the trunk portion 41 is formed on the outer circumferential surface. Comprised of an angled head portion 43, the screw portion 50 of the charity bus bar 21 through the coupling hole 45 penetrated from the center of the upper surface of the head portion 43 to the bottom of the body portion 41 Is characterized in that a bolting unit 40 is connected to and coupled to the bolting unit 40.

At this time, the slider 30 is provided so that both bent ends of the slider wrap around the outer circumferential surface of the bus bar 11.

However, the existing distribution panel disclosed as the present invention in the above-mentioned registration room 20-0392733 also has a number of problems as follows.

First, the slider having the tapping hole and the bolting unit are separately manufactured on the slider, and thus the separately manufactured parts have to be assembled together again, which complicates the manufacturing process and assembly work.

That is, a tapping hole must be formed in the slider, and a coupling hole having a different diameter must be formed in the bolting unit, and the body of the bolting unit must be machined with a thread, and the Mori part must be angled again. It becomes complicated, and there is an inconvenience of having to reassemble the manufactured parts through such a complicated process.

In addition, in order to connect the busbar in the state in which the slider and the bolting unit are coupled, the washer must be interposed and fastened with a screw 50, which also involves the inconvenience that the parts must be provided separately from the washer.

In particular, the busbar busbar and the charity busbar of the distribution panel must be firmly tightened using a screw because they must be firmly fastened as a coupling between the metals. That is, the screwdriver groove is crushed, which causes great inconvenience in disassembling and assembling the screw coupled to the busbar busbar and the charity busbar.

In addition, in the existing distribution panel, the lower portion of the busbar bus bar is structured to be fastened to the fixture by screws without a separate supporting device, and thus, the lower portion of the busbar bus bar is not insulated and is exposed as it is.

On the other hand, Figure 6 is a cross-sectional view showing another embodiment of the busbar connecting structure of Figure 3, in this case also the above problems are raised as it is.

The present invention is to solve the above-mentioned problems, by connecting the bus bar and the charity bus bar intersecting each other mechanically and electrically easily, quickly and stably, to simplify the structure as well as the bus bar connection that can reduce the manufacturing cost In addition to providing a device, an object of the present invention is to provide an improved distribution panel capable of providing a new busbar support device.

In other words, the present invention provides a busbar connecting device having a new structure, and by providing a generalized busbar supporting device that only needs to change direction in accordance with the capacity of the busbar, thereby reducing manufacturing costs and increasing convenience in assembly and management. On the other hand, it is an object of the present invention to provide a distribution panel that can be easily assembled by assembling the insulating tube for the charity bus bar, but is not easily removed.

In order to achieve the above object, the present invention is connected to the main circuit breaker bus bar of the round bar-shaped portion is cut in section; A slider installed to surround the circumferential surface of the busbar booth and capable of moving in an assembly position along a longitudinal direction, and having a wrench bolt fastening hole formed on an upper surface thereof; A wrench bolt installed through the wrench bolt fastening hole of the connection bracket to fix the connection bracket to a desired position of the bus bar; A through-hole through which a wrench bolt may pass through a portion crossing the bus-bar, and the bus-bar is electrically connected to the bus-bar; A nut which is fastened to an outer circumferential surface of the wrench bolt protruding through the through hole of the charity bus bar and fixes the charity bus bar to the connection bracket; It is provided with a distribution board comprising a; support unit of the insulating material for wrapping and supporting the opposite end of the connecting portion with the main circuit breaker of the bus bar.

Hereinafter, an embodiment of the present invention will be described in detail with reference to FIGS. 7 to 20.

Figure 7 is a plan view showing a distribution panel according to the present invention, Figure 8 is a reference perspective photo substitute of the drawing of the distribution panel according to the present invention of Figure 7, Figure 9 is an exploded perspective view showing a busbar connection structure for the distribution panel according to the present invention. FIG. 10 is a perspective view illustrating a coupling state of FIG. 9, and FIG. 11 is a cross-sectional view of main parts of FIG. 10.

And, Figure 12 is an exploded perspective view showing a bus bar support device of the distribution panel according to the present invention, Figure 13 is a perspective view showing a coupling state of Figure 12, Figure 14 is a cross-sectional view along the line I-I of FIG.

FIG. 15 is an exploded perspective view showing an insulation tube-coated charity bar of a distribution panel according to the present invention, FIG. 16 is a perspective view showing a coupling state of FIG. 15, and FIG. 17 is a sectional view of FIG. 16.

18 is an exploded perspective view showing a connection portion between the main breaker and the busbar bus bar, and FIG. 19 is a perspective view showing a coupling state of FIG. 18.

Referring to these drawings, the distribution panel 100 of the present invention is connected to the main circuit breaker 110, the bus bar 210 of the round bar shape cut part of the cross-section; A connection bracket 310 installed to surround the circumferential surface of the busbar bus bar 210 to move the assembly position along the longitudinal direction of the busbar bus bar and having a wrench bolt fastening hole 310a formed on an upper surface thereof; A wrench bolt 410 installed through the wrench bolt fastening hole 310a of the connection bracket 310 to fix the connection bracket 310 to a desired position of the bus bar 210; A through-hole 220a through which a wrench bolt 410 passes through a portion that crosses the bus bar 210, and a charity bus bar 220 electrically connected to the bus bar 210; A nut 420 fastened to an outer circumferential surface of the wrench bolt 410 projecting through the through hole 220a of the charity bus bar 220 to fix the charity bus bar 220 to the connection bracket 310; And a support unit 510 made of an insulating material for wrapping and supporting an opposite end portion of the bus bar 210 to the connection part with the main breaker 110 of the bus bar 210.

In this case, the support unit 510 may be formed on the lower support member 512 of an insulating material and the lower support member 512 having the support grooves 512a and 512b for supporting the end portions of the bus bar 210. The upper support member 511 of the insulating material is fastened to cover the support grooves 512a and 512b.

The lower support member 512 has support grooves 512a and 512b of different diameters so as to accommodate busbar bars 210 having different sizes on both sides of the middle shielding wall 512c. Each is formed, it is configured to satisfy the two specifications of the busbar booth 210 with one support unit 510.

The upper support member 511 is provided with an assembly boss 511d, and the lower support member 512 is provided with a boss insertion groove 512d into which the assembly boss 511d is inserted. The assembly position between the support member 511 and the lower support member 512 is easily determined.

In addition, a lower portion of the boss insertion groove 512d of the lower support member 512 is provided with a fastening portion 512f made of a metal material so that a screw penetrating the assembly boss 511d may be fastened. The fastening part 512f is inserted into the insert when the lower support member 512 is molded.

The upper surface of the wrench bolt 410 is provided with a wrench groove (410a) for inserting the weft wrench.

On the other hand, it is preferable that a nut with a washer is applied as the nut 420.

In addition, the self-assembling insulating tube 610 having a cutout 610a is installed in the charity bus bar 220, and the insulated tube 610 may be cut out so as not to be separated from the charity busbar 220. 610a is preferably assembled to face away from the main circuit breaker 110.

The prefabricated insulating tube 610 is made of PVC, and has various widths in accordance with the specification of the charity booth bar, and is configured to form a sleeve as shown in solid lines in FIG. 15.

The prefabricated insulating tube 610 is configured to have a different color according to each phase of the circuit.

On the other hand, the busbar booth 210 is made of a brass material to facilitate manufacturing, the outer surface is coated with tin plating.

Looking at the operation of the present invention configured as described through the assembly process of the panel 100 as follows.

The main circuit breaker 110 and the auxiliary circuit breaker 120 are installed in the inner panel P of the distribution panel 100, and the lower support member 512 constituting the support unit 510 is provided on the opposite side of the main circuit breaker 110. In the installed state, the operator first inserts the connecting bracket 310 into the bus bar 210 connected to each terminal of the main circuit breaker 110.

Subsequently, as many bus bars 210 as necessary are connected to the bus boot bars 220 to intersect with each other.

After the fitting bracket 310 is fitted, one end of the bus bar 210 is positioned to connect with the terminal side connecting piece 710 of the main circuit breaker 110, and the other end of the bus bar 210 is connected to the lower support member. After positioning in the corresponding support groove 512a of 512, the upper support member 511 is fastened to the lower support member 512 to be fastened to complete the assembly between the two support members.

By the assembly of the support unit 510 as described above, the bus bar 210 has a section in the cross-sectional plane that faces exactly upward.

In this state, through the through hole 710a formed in the terminal side connecting piece 710, the wrench bolt 410 is completely connected by the wrench bolt fastening hole 310a of the connection bracket 310 located at one end of the bus bar 210. After the bracket 310 is fixed to the bus bar 210, the nut 420 is attached to the head of the wrench bolt 410 exposed through the through hole 710a of the terminal side connecting piece 710. To complete the connection with the main circuit breaker 110 terminal side.

In addition, the wrench bolt 410 is fastened to the wrench bolt fastening hole 310a of the connection bracket 310, and thus the operation process when the connection bracket 310 is fixed to the bus bar 210 is described in more detail. In other words, since the wrench bolt fastening hole 310a formed on the upper surface of the connection bracket 310 is formed to communicate with the bus bar insertion hole 310b into which the busbar bar 210 is inserted, the wrench bolt fastening hole 310a is formed. Tighten the wrench bolt 410 inserted through the lower end to enter a predetermined depth into the busbar insertion hole 310b of the connection bracket 310, the rotation angle of the connection bracket 310 is the wrench bolt 410 and busbar booth Limited by the interference of (210) (that is, only have a little play), and in this state to continue to tighten the wrench bolt 410 by the force pressed by the wrench bolt 410 busbar booth 210 ) Is pressed on the inner circumferential surface of the busbar insertion hole 310b of the connection bracket 310, whereby the connection bracket 310 is a busbar The bus bar 210 penetrates the insertion hole 310b completely.

On the other hand, after completing the connection between the terminal side connecting piece 710 of the main circuit breaker 110 and the bus booth 210, the bus bar 220 is continuously connected to the auxiliary circuit breaker 120 and the bus The bus bar 210 and the charity bus bar 220 are connected, and the process is as described below.

First, the wrench bolt fastening hole of the connection bracket 310 in a state in which the busbar bar 210 and the charity busbar 220 are moved near the connection point to the bus bar 210 inserted into the bus bar 210. Assemble the wrench bolt 410 to (310a).

At this time, the wrench bolt 410 is assembled to the connection bracket by using a hex wrench, and tightens only enough to prevent the bus bar 210 from rotating without completely tightening the wrench bolt 410. Therefore, in this state, the movement of the coupling bracket 310 in the bus bar length direction is possible.

Next, the charity bus bar 220 is placed over the terminal side of both side breaker 120, in this case the position of the wrench bolt 410 of the through hole 220a of the charity bus bar 220 and the connection bracket 310 Is matched so that the wrench bolts 410 assembled to the connection brackets 310 into the through holes 220a are adjusted so as to enter.

Here, if the position of the wrench bolt 410 assembled in the through hole 220a of the charity bus bar 220 and the connecting bracket 310 does not match, the connecting bracket 310 may be properly moved while being aligned.

After placing the charity bus bar 220 through the terminal side of the two side breakers 120 through the adjustment process as described above, both ends of the charity bus bar 220 may be connected to the terminals of the two side breakers 120. The screw is fastened, but slightly screwed so that the screw passing through the through holes formed at both ends of the charity bus bar 220 is coupled to the terminal side.

In this state, precisely adjust the position of the connection bracket 210 of the charity bus bar 220 once again, and then fully tighten the wrench bolt 410 so that the connection bracket 310 is completely fixed to the busbar bus bar 210. do.

Next, through the through holes formed at both ends of the charity bus bar 220, the screw tightened slightly to the terminal side is completely tightened so that both ends of the charity bus bar are completely fixed to the terminal side of the auxiliary circuit breaker.

Then, the busbar booth is connected to the head of the wrench bolt 410 exposed through the through hole 220a of the charity booth bar 220 located at the intersection with the busbar booth 210. Complete the mechanical and electrical connection between the bar 210 and the charity bus bar 220.

On the other hand, the above assembly process, for example, if only the position of the self-boosting bus bar and the connecting bracket on the terminal of the auxiliary circuit breaker is exactly the same, unlike the above process, after connecting the terminal of the charity bus bar and the auxiliary circuit breaker first completely The bracket may be fixed to the busbar.

In the distribution panel 100 of the present invention according to the assembly process as described above, since the connecting bracket 310 is moved along the longitudinal direction of the busbar bus 210, the bus booth 210 and the charity busbar 220 are connected to each other. According to the connection position, the position of the connection bracket can be moved freely and easily set.

As the wrench grooves 410a are formed in the wrench bolts 410, the conventional problems occurring in the process of loosening and tightening the wrench bolts 410 are eliminated. That is, in the conventional screw fastening structure, the screw groove is crushed due to the excessive force applied by the driver, so that it is difficult to disassemble or refasten the screw due to difficulty in operating the tool, but this problem is solved in the present invention.

In addition, since the support unit 510 is made of an insulating material, the lower end portion of the bus bar 210 is insulated without being exposed.

In addition, the lower support member 512 has support grooves 512a and 512b having different diameters so as to accommodate busbar bars 210 having different sizes on both sides of the middle shielding wall 512c. Each of them is formed, one support unit 510 to satisfy the two specifications of the busbar booth 210, the support unit 510 to be separately manufactured and managed by the specifications of the busbar booth 210 Discomfort can be reduced.

That is, when the size of the bus bar 210 is changed, it is possible to support the bus bar 210 of another standard by changing the installation direction of the support unit 510.

In particular, when changing the frame of the auxiliary circuit breaker (that is, when changing the capacity) it is possible to fasten the connection bracket 310 by moving to the required position without the need for separate processing, there is no need to separately process the bus booth 210.

In addition, since the annular bus bar 210 according to the present invention can be used by cutting only the necessary length required without forming or forming a through hole, it is easy to process and provides convenience when manufacturing a distribution board.

On the other hand, in the distribution panel assembly process according to the present invention, the charity bus bar 220 is provided with a prefabricated insulating tube 610 having a cutout (610a), the prefabricated insulating tube 610 is made of PVC material, It is configured to have a variety of widths according to the specification of the charity booth bar, as shown in Figure 15, so it is manufactured to form a sleeve (sleeve) shape, select an insulating tube of the width suitable for the specification of the charity booth bar and according to the desired length It will be cut and assembled properly.

 Therefore, the present invention can simplify the distribution panel manufacturing process compared with the conventional method of coating the insulation by heat shrink.

That is, in the present invention, unlike the conventional method in which the heating process for the shrinkable resin is necessary and a certain time is required to cool it after heating, simply inserting the prefabricated insulating tube in the shape of a sleeve into the charity bus bar Since the assembly is completed in close contact with the elasticity of the insulating tube, it is possible to significantly shorten the working time.

In particular, the process of coating the insulating material by the existing heat shrinkage should be performed at the time of fabrication of the bus booth bar and the charity busbar prior to the assembly between the busbar bar and the charity busbar. Cut off the joints of the busbars or the joints with each breaker terminal with a knife.

However, in the case of adopting the pre-molded sleeve-shaped insulation tube of the present invention, the assembly is completed by simply cutting and inserting it in accordance with the length of the charity booth bar. Accordingly, an unnecessary portion of the insulation material must be cut and removed with a knife. Existing work such as can be omitted.

On the other hand, when assembling the charity bus bar 220 of the insulating tube 610, it is preferable that the cutout 610a of the insulating tube 610 is assembled so as to face the opposite side to the main circuit breaker 110, This is to prevent the phenomenon that the insulating tube is removed from the charity booth bar 220 even if the insulating tube does not meet the standard is assembled.

In addition, the prefabricated insulating tube 610 has a different color according to each phase of the circuit, so that it is possible to distinguish each phase only by the color.

On the other hand, the present invention is not limited to the above-described embodiments, and various changes and modifications can be made in a variety of forms without departing from the scope of the technical spirit of the present invention.

For example, the bus bar 210 has been described as a round bar structure having a cut surface in the above embodiment, but instead of having a cut surface, a recessed groove in which the wrench bolt 210 is positioned as shown in FIG. 20 ( 210a) may be formed to be dug along the longitudinal direction, in this case it is possible to more easily limit the circumferential rotation of the bus bar 210 due to the recess groove (210a).

In addition, FIG. 21 is a modified form of the busbar busbar of FIG. 10, and FIG. 22 is a modified form of the busbar booth of FIG. 20, and a circular hollow portion 210b having a circular shape or some straight sections as shown in FIG. The busbar bus bar 210 having a hollow structure having a hollow structure, or the busbar bus bar having a hollow structure having other geometric shapes, such as an oval, is also applicable to the present invention, and in this case, it is effective to reduce heat dissipation and materials.

Meanwhile, in the present invention, a wrench is provided as an example of a fastening member installed through the wrench bolt fastening hole 310a of the connection bracket 310 to fix the connection bracket 310 to a desired position of the bus bar 210. Wrench bolt 410 having a groove 410a has been presented, but is not necessarily limited thereto. That is, it is a matter of course that fastening members such as bolts or screws having a straight or cross driver insertion groove formed instead of the wrench grooves 410a may be equally applied.

According to the present invention, the bus bar 210 and the bus booth 220 can be easily connected to each other mechanically, electrically, quickly and stably, thereby simplifying the structure and minimizing the manufacturing cost. It is possible to provide a distribution panel having a.

In addition, according to the present invention, it is possible to provide a distribution panel 100 having a support device that can support while insulating the opposite side of the main breaker 110 connection portion of the bus bar 210.

On the other hand, according to the present invention, by changing the direction only in accordance with the specification of the bus booth 210 so that the bus booth 210 of a different standard can be supported to enable the bus bar 210 support device to be generalized Accordingly, it is possible to provide a distribution panel 100 which reduces manufacturing costs and increases management convenience.

In addition, according to the present invention, the insulation tube 610 for the charity bus bar 220 may be provided in a prefabricated manner, but the distribution panel 100 may be provided so that the insulation tube 610 is not easily removed.

As described above, the present invention is a very useful invention that increases the economics and ease of assembly in the production of the distribution panel 100, and further enhances the product reliability of the distribution panel.

Claims (10)

A bus bar 210 connected to the main breaker 110 and having a round bar shape in which a portion thereof is cut; A connection bracket 310 installed to cover the circumferential surface of the bus bar 210 to move the assembly position along a length direction and having a wrench bolt fastening hole 310a formed on an upper surface thereof; A wrench bolt 410 installed through the wrench bolt fastening hole 310a of the connection bracket 310 to fix the connection bracket 310 to a desired position of the bus bar 210; A through-hole 220a through which a wrench bolt 410 passes through a portion that crosses the bus bar 210, and a charity bus bar 220 electrically connected to the bus bar 210; And a nut 420 fastened to an outer circumferential surface of the wrench bolt 410 protruding through the through hole 220a of the charity bus bar 220 to fix the charity bus bar 220 to the connection bracket 310. Distributing panel characterized. The method of claim 1, On the opposite side of the bus bar bar 210, the connection portion with the main circuit breaker 110, Distribution board, characterized in that the support unit 510 of the insulating material for wrapping and supporting the end of the bus bar booth. The method of claim 2, The support unit 510, A lower support member 512 of an insulating material having support grooves 512a and 512b for supporting an end portion of the bus bar 210; The distribution board, characterized in that the upper support member 511 of the insulating material is fastened to the lower support member 512 to cover the support grooves (512a) (512b). The method of claim 3, wherein The lower support member 512, Distribution board, characterized in that the support grooves (512a) (512b) of different diameters are formed on both sides of the middle shielding wall (512c) to accommodate the bus booth bars 210 of different sizes on both sides. The method of claim 3, wherein The upper support member 511 is provided with an assembly boss (511d), The lower support member 512 is a distribution panel, characterized in that the boss insertion groove (512d) is inserted into the assembly boss (511d) is inserted. The method of claim 1, Distributor board, characterized in that the wrench groove (410a) is provided on the upper surface of the wrench bolt (410) for inserting the hex wrench. The method of claim 1, The charity bus bar 220 is a distribution panel, characterized in that the insulating tube 610 having a cutout (610a) is installed. The method of claim 1, The bus bar 210 is a distribution panel, characterized in that made of brass. The method of claim 1, The bus bar 210 is a distribution panel, characterized in that the hollow portion is formed. A bus bar bus 210 having a round bar shape connected to the main circuit breaker 110; A connection bracket 310 installed to cover the circumferential surface of the bus bar 210 to move the assembly position along a length direction and having a wrench bolt fastening hole 310a formed on an upper surface thereof; A wrench bolt 410 installed through the wrench bolt fastening hole 310a of the connection bracket 310 to fix the connection bracket 310 to a desired position of the bus bar 210; A through-hole 220a through which a wrench bolt 410 passes through a portion that crosses the bus bar 210, and a charity bus bar 220 electrically connected to the bus bar 210; And a nut 420 fastened to an outer circumferential surface of the wrench bolt 410 protruding through the through hole 220a of the charity bus bar 220 to fix the charity bus bar 220 to the connection bracket 310. Distributing panel characterized.

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