KR100996857B1 - Direct connection mounting plate of wiring circuit breaker and switchboard - Google Patents

Abstract

PURPOSE: A directly coupled mount stand of a MCCB(Molded Case Circuit Breaker) and a distribution panel thereof are provided to prevent a short-circuit accident and an electric shock due to a foreign material by covering the exposed region of a busbar with a panel cover. CONSTITUTION: A three-phase busbar(210) is arranged in parallel. A MCCB mount stand(300) comprises a three-phase busbar holder(350) and a three-phase RST line(310,320,330). The three-phase busbar holder is combined with the three-phase busbar. The three-phase RST line is electrically connected to the three-phase busbar holder. A MCCB mounting pin is inserted into the three-phase terminal connection hole of a MCCB(100) by passing through one side of the three-phase RST line. The MCCB is installed on the MCCB mount stand in order to be electrically connected to the three-phase busbar.

Description

Direct mount of wiring breaker and switchboard with same {Direct Connection Mounting Plate Of Wiring Circuit Breaker And Switchboard}

The present invention relates to a direct connection mount of a circuit breaker and a switchboard having the same, and more particularly, a plug-type plug is mounted on a three-phase busbar, and a circuit breaker (MCCB) is plugged in. The present invention relates to a direct mounting stand for a wiring breaker which can be mounted and an electric distribution board having the same.

In general, a circuit breaker is an electrical device that automatically cuts off a circuit to protect a circuit and a load when an accident current such as overcurrent, ground current, or short circuit current occurs on the electrical circuit. The wiring breaker mainly includes a terminal portion for connecting the power source side and the load side of the circuit, an opening / closing mechanism for opening / closing the fixed contact and the movable contactor by contacting or disconnecting the movable contactor in the wiring breaker, And a trip mechanism for tripping the opening and closing mechanism to the circuit break position.

1 is a view showing a switchboard of a branch busbar method according to the prior art.

In the conventional switchboard, as shown in FIG. 1, a three-phase busbar is installed at the center of the switchboard, wiring circuit breakers are arranged at both sides thereof, and a three-phase busbar is provided at each of the busbars at the center. Each is connected.

Therefore, the distribution method of such a structure has the following problems because the three-phase bus bar must be connected to each wiring breaker for installation.

In other words, the additional work of the bus bar is required to increase the number of work, resulting in a long working time, as well as additional processing costs and labor costs. In addition, the three-phase busbars are connected to each wiring breaker, and thus, the structure in the switchboard is complicated, which is vulnerable to short-circuit protection, and increases the cost due to the increased usage of the busbars. In addition, if a bus bar is additionally installed as a circuit breaker in the three-phase bus bar, an installation error may occur.

In addition, since the conventional busbar is configured in the form of a flat panel, there is a problem in that heat is generated when current flows and deformation occurs in the busbar.

As disclosed in Japanese Utility Model Registration No. 2508791, a plurality of control units are stacked on the switchboard in a downward direction, and a circuit breaker is formed in each control unit. There are three bands extending in the vertical direction inside the switchboard. Arranged in parallel, the wiring breaker is mounted on a terminal block having a terminal to be plugged into the tap, and the terminal block is mounted on a back plate of the control unit. The circuit breakers are vertically mounted so that their length direction is parallel to the band, but since the circuit breakers are usually larger than the width dimension, the height of each control unit increases, which causes the overall height of the switchboard to increase.

SUMMARY OF THE INVENTION The present invention has been made in an effort to solve the above-mentioned problems, and provides a direct connection mount of a circuit breaker for distributing power by installing a circuit breaker (MCCB) orthogonal to the bus bar on a three-phase bus bar and a switchboard having the same. There is.

According to another aspect of the present invention, a MCCB mounting bracket is mounted on a three-phase bus bar in a plug-type manner, and a MCCB is plugged into the MCCB mounting bracket The present invention provides a direct connection mount of a circuit breaker to be mounted and a switchboard having the same.

Another object of the present invention is to provide a direct mounting stand for a wiring breaker and a switchboard having the same, which can reduce the size of the distribution board and reduce the work flow by simplifying the structure of the distribution board, There is.

In addition, another technical problem to be achieved by the present invention is to provide a space between the bus bar and the MCCB mounting bar to be configured to allow air ventilation direct connection of the circuit breaker for preventing the bus bar deformation due to excessive heat generation and having the same To present the switchboard.

In addition, another technical problem to be achieved by the present invention is to propose a direct mounting stand of the circuit breaker and a switchboard having the same to prevent the short circuit accident caused by foreign matter by blocking the exposed portion of the bus bar.

In addition, another technical problem to be achieved by the present invention is a direct connection mount of the circuit breaker for providing a bus bar support that is installed at the end and the middle of the bus bar in order to support and fix the bus bar and to prevent distortion, and a switchboard having the same To present.

In addition, another technical problem to be achieved by the present invention is to present a direct connection mount of the circuit breaker for providing a bus bar gap check size to reduce the error by checking the spacing of the bus bar and to make more accurate and easy operation and a switchboard having the same. There is.

In addition, another technical problem to be achieved by the present invention is to provide a direct connection mount of the circuit breaker for providing a MCCB mounting holder of the MCCB mounting unit to be plugged into the terminal connection pin of the wiring breaker and a switchboard having the same.

In addition, another technical problem to be achieved by the present invention is to provide a direct connection mount of the circuit breaker for providing a MCCB mounting pin of the MCCB mounting portion of the wiring circuit breaker to be plugged into the terminal connection hole and a switchboard having the same.

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As a means for solving the above-mentioned technical problem, the invention of Claim 2 is "the mounting stand which mounts a circuit breaker (MCCB) WHEREIN: Three-phase bus bar 210 arranged in parallel; The three-phase bus bar holder 350 having a clip shape is configured at the lower portion to be coupled to the three-phase bus bar 210 in a plug manner, and electrically connected to the three-phase bus bar holder 350 by fastening. Three-phase connected RST lines 310, 320, and 330 are configured at the upper portion, and three-phase RCC lines 310, 320, and 330 are formed at one side of the three-phase RST lines 310, 320, and 330, respectively. An MCCB mount 300 for plugging with the terminal connection hole 104; And a circuit breaker 100 connected to the MCCB mounting table by a plug type to electrically connect the bus bar and the MCCB mounting pin 341 includes a terminal connection hole 104 of the circuit breaker 100. An upper portion 341a configured in the form of a pin so as to be pluggable with the upper portion; A lower portion 341b having a male screw shape to be fastened to the MCCB mounting unit 300 through fixing holes of the RST lines 310, 320, and 330; And an intermediate portion 341c formed integrally between the upper portion 341a and the lower portion 341b and configured to have a female screw shape to fasten and fix the RST lines 310, 320, and 330 to the MCCB mount 300. Direct connection bracket for wiring circuit breaker.

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The invention as set forth in claim 4 is "Mounting table for mounting wiring breaker (MCCB), comprising: three-phase busbars 210 arranged in parallel; The three-phase bus bar holder 350 having a clip shape is configured at the lower portion to be coupled to the three-phase bus bar 210 in a plug manner, and electrically connected to the three-phase bus bar holder 350 by fastening. Three-phase connected RST lines 310, 320, and 330 are configured at the upper portion, and three-phase RCC lines 310, 320, and 330 are formed at one side of the three-phase RST lines 310, 320, and 330, respectively. An MCCB mount 300 for plugging with the terminal connecting pin 103; And a circuit breaker 100 for plugging into the MCCB mounting bracket to make electrical connection with the bus bar. The MCCB mounting holder 360 has a center fixing hole 365 formed at each corner of the rectangle. And a cut-off surface 362 formed at each corner of the square with a cylindrical shape toward the upper portion from the lower contact surface 364 is formed up to an upper end of the lower contact surface 364, A cylindrical terminal 363 is formed by being separated into a plurality, a circular spring 367 is mounted on the upper outer peripheral surface of the terminal 363, the upper end of the terminal 363 has a shape bent toward the outside Direct connection mount of a circuit breaker for a circuit.

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According to the invention according to claim 7, "The two-phase RST line (310, 320, 330) according to claim 2 or 4: One side and the other side is fastened and fixed by the MCCB mounting pin 341 and the assembly bolt 342 The bent parts 311, 321, and 331 are respectively formed at positions corresponding to the three-phase bus bar 210, respectively, and the MCCB mounting holder 360 is assembled to the lower ends of the bent parts 311, 321, and 331 to the assembly bolts 343. And direct connection mount of a circuit breaker for fastening and fixing.

According to the invention of claim 8, "The MCCB mounting base 300 according to claim 2 or 4 is formed by: forming a partition wall 304 between the three-phase RST lines 310, 320, 330 to prevent a short circuit. Direct connection bracket for wiring circuit breaker.

According to the invention as claimed in claim 9, "The MCCB mounting base 300 according to claim 2 or 4 is formed by: forming a bus bar holder protective cover 308 on both sides of the bus bar holder 350 to prevent a short circuit. Direct connection mount of a circuit breaker characterized by the above-mentioned.

According to the invention according to claim 10, "The bus bar holder 350 according to claim 2 or 4, wherein: the terminals 351, 352 in the form of a clip so as to bite the bus bar 210 from both sides, Ends 351a and 352a of the terminals 351 and 352 are bent outwards, and both side surfaces of the RST lines 310, 320 and 330 and the upper portions of the terminals 351 and 352 are bent upwards to form a bending portion 353. And a clip 354 attached to both side surfaces of the terminals 351 and 352 so as to have a double-shaped clip form.

According to the invention according to claim 11, "The method of claim 2 or 4, wherein the direct mounting bracket is: installed on one side and the other end of the bus bar 210, the bus bar insertion holes (221a, 222a) It provides a direct connection of the circuit breaker, characterized in that it further comprises an upper and lower bus bar support (221, 222) for holding the bus bar 210.

According to the invention according to claim 12, "The direct mounting table according to claim 11 is: a bus bar insertion hole which is provided in the middle of the bus bar 210 and is formed on one side and the other side of the plurality of blocks 231, respectively. After inserting the bus bar 210 to the 232, through the fixing hole 233 of the block 231, further comprising a bus bar intermediate support 230 for fastening and fixing the bus bar 210, respectively A direct connection mount of a circuit breaker to be connected to the circuit breaker. "

The present invention according to claim 13 is characterized in that, in the eleventh aspect of the present invention, the direct mounting mount includes: a panel 240 having a shape of "┏" and "┓" on both sides of the bus bar 210, The MCCB mounting unit 300 is mounted on the bus bar 210 in a state where the MCCB mounting unit 300 is mounted and fastened to the fixing hole 241 of the panel 240. To provide.

According to the invention according to claim 14, "The direct connection mount according to claim 13 is: a panel cover for sealing the remaining space of the panel 240 after mounting the circuit breaker 100 on the MCCB mount (300) (250) is fastened and fixed on the panel (240) at least one or more.

According to the invention of claim 15, "The direct connection mount according to claim 13 includes: a bus bar for inserting the three-phase bus bar 210 into the bus bar insertion hole 263 formed in the lower part of the body 261 to check an interval. It provides a direct connection mounting of the circuit breaker, characterized in that it further comprises a gap check size (260).

As another means for solving the above-mentioned technical problem, invention of Claim 16 provides "the switchgear provided with the direct connection base of the circuit breaker of Claim 2 or 4.".

The invention described in claim 17 provides "The switchboard according to claim 16, wherein the switchboard further comprises: three-phase RST lines 310, 320, and 330 according to claim 7.

The invention according to claim 18 provides "The switchboard according to claim 16, wherein the switchboard further comprises: the MCCB mounting table 300 according to claim 8.

The invention described in claim 19 provides "the switchboard according to claim 16, wherein the switchboard further comprises: the MCCB mounting table 300 according to claim 9.

The invention according to claim 20 is the switchboard according to claim 16, wherein the switchboard further comprises: a bus bar holder (350) according to claim 10.

According to the present invention, it is unnecessary to additionally connect the bus bars to the MCCB from the central bus bar by using a method of directly installing the MCCB on the three-phase bus bar. As a result, the work time can be shortened, the structure of the distribution board can be simplified, and the use of the assembly accessories can be greatly reduced, resulting in quality improvement and cost reduction effects.

In addition, by covering the exposed portion of the bus bar with a panel cover it is possible to prevent electric shock and short circuit accidents caused by foreign matter.

In addition, since MCCB is installed directly on the 3-phase booth bar, it is easy to install and repair, and it is easy to install MCCB.

In addition, by configuring a space between the bus bar and the MCCB mounting base to allow air ventilation there is an effect that can prevent the deformation of the bus bar due to excessive heat generation.

In addition, since the MCCB mount is mounted on the three-phase busbar, and the MCCB is mounted on the MCCB mount, the height of the switchboard can be reduced compared with the conventional one.

1 is a view showing a switchboard of a branch busbar method according to the prior art
2 is a view showing a switch panel of a plug method applied in the present invention.
3 is a product photograph of a switchboard in which a circuit breaker is installed in a direct connection mount of the circuit breaker according to the present invention;
Figure 4 is a view showing the structure of the front and rear parts of the circuit breaker for wiring
5 is a perspective view of a state in which a circuit breaker is installed in a direct connection mount of the circuit breaker of the present invention;
6 is an exploded perspective view of a direct connection mount of a circuit breaker according to a preferred embodiment of the present invention;
7 is a perspective view of a direct connection mount of a circuit breaker;
8 is a block diagram of a bus bar interval checker
9 is a configuration diagram of the busbar intermediate support
10 is a configuration diagram of the busbar support
11 is a perspective view of a state in which the MCCB mount is installed on the busbar
12 is an exploded perspective view of the MCCB mount from above;
Figure 13 is an exploded perspective view of the MCCB mount from below;
14 is a perspective view of an MCCB mounting base
15 and 16 are assembled views of the RST track and the busbar holder
17 is a block diagram of a busbar holder
18 is a perspective view of a bus bar holder mounted on a three-phase bus bar.
19 is a perspective view of a state in which a circuit breaker is mounted on an MCCB mount;
20 is a perspective view of a direct connection mount of a circuit breaker according to another exemplary embodiment of the present invention.
21 is an exploded perspective view of an MCCB mount of a circuit breaker according to another embodiment of the present invention.
Fig. 22 is a perspective view showing the MCCB mounting holder mounted on the MCCB mounting bracket
Figure 23 is a product photo of the MCCB mounting holder mounted on the MCCB mount

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and like reference numerals designate like parts throughout the specification.

Application method of the present invention

First, Figure 2 is a view showing a switch panel of the plug (Plag) method applied in the present invention, Figure 3 is a product picture of the switchboard in which the wiring breaker is installed on the direct connection of the wiring breaker of the present invention.

In the present invention, since the wiring circuit breaker (MCCB) is installed directly on the three-phase busbar and the power distribution method is used, the bus bar (MCCB) as the circuit breaker (MCCB) in the busbar arrangement in the center as before. There is no need to connect additional busbars. As a result, it is possible to shorten the working time, reduce the use of assembly components, and simplify the structure, thereby reducing the cost. In addition, it is possible to reduce the exposed portion of the bus bar, thereby increasing the stability.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

Typical configuration example of a circuit breaker

4 is a view showing the structure of the front and rear parts of the circuit breaker.

In general, a circuit breaker is an electrical device that automatically cuts off a circuit to protect a circuit and a load when an accident current such as overcurrent, ground current, or short circuit current occurs on the electrical circuit. The circuit breaker is a terminal unit for largely connecting the power supply side and the load side of the circuit, an opening / closing mechanism for opening or closing the circuit by contacting or separating the fixed contactor and the movable contactor in the circuit breaker, and detecting an accident current on the circuit. And a trip mechanism for tripping the opening and closing mechanism to the circuit break position.

Referring to FIG. 4, the circuit breaker 100 has three phase (R, S, T phase) terminals 102 for connecting the power supply side and the load side of the circuit to both outer sides of the circuit breaker 100. The switch 101 for opening and closing the opening / closing mechanism is provided in the front part a. The three-phase terminal connection pins 103 connected to the three-phase terminals 102 are protruded from both sides, or the three-phase terminal connection holes 104 are formed on the rear portions b and c of the circuit breaker 100. ) Are formed on each side.

The terminal connection pin 103 of the circuit breaker 100 may be inserted into the MCCB mounting holder 360 of the MCCB mounting bracket 300 or the terminal connecting hole 104 of the wiring breaker 100, To the MCCB mounting pin 341 of the MCCB mounting table 300 to be described later. Therefore, in the present invention, since the direct mounting stand of the circuit breaker is designed to match the existing circuit breaker 100, it is not necessary to further develop the circuit breaker.

Direct connection of circuit breaker Mounting Example

FIG. 5 is a perspective view of a wiring breaker installed in a direct connection stand of a circuit breaker (MCCB) of the present invention. FIG. 6 is an exploded perspective view of a direct connection mount of a circuit breaker according to a preferred embodiment of the present invention. A perspective view of a direct connection mount of a circuit breaker.

Direct connection of the circuit breaker 100 of the present invention is shown in Figures 5 to 7, three-phase busbar (Busbar: 210), busbar support (Busbar Support: 220), busbar intermediate support 230 , Panel (240), panel cover 250, bus bar interval check size 260, MCCB mount 300, and a circuit breaker 100 is configured to include.

The three-phase bus bar 210 is made of a conductor so as to transfer external power to the wiring breaker 100 installed in the distribution board, and the three-phase bus bar 210 is arranged in parallel.

The bus bar support 220 is installed at one end and the other end of the three-phase bus bar 210, and consists of upper and lower bus bar supports 221 and 222 to support the three-phase bus bar 210. It is. The configuration of the bus bar support 220 will be described in detail later with reference to FIG. 10.

The bus bar intermediate support 230 is installed in the middle of the bus bar 210, and the bus bar 210 is installed in the bus bar insertion holes 232 formed at one side and the other side of the plurality of blocks 231, respectively. After inserting and fastening the bus bar 210 through the fixing hole 233 of the block 231, respectively, to fix and support the bus bar 210 to the panel of the distribution panel. The configuration of the bus bar intermediate support 230 will be described in detail later with reference to FIG. 9.

The panel 240 is configured to have a "┏" and a "┓" shape on both sides of the bus bar 210, and a plurality of fixing holes 241 are formed at predetermined intervals thereon. The panel 240 serves to fasten and fix the MCCB mounting bracket 300 to the fixing hole 241 of the panel 240 when the MCCB mounting bracket 300 is raised to the bus bar 210. Do it.

The panel cover 250 is a bar-shaped plate-shaped body in which fixing holes 251 are formed at both sides thereof, and the circuit breaker 100 is mounted on the MCCB mounting unit 300, and then the panel 240 is mounted. It acts to seal the remaining space.

The panel cover 250 is manufactured by an injection molding method and is installed in an empty space after the MCCB 100 is installed on a panel. After installing the MCCB 100, the remaining empty space is covered with a cover to block foreign material input, thereby acting as a short-circuit protection, and a visually safe effect is also expected.

The bus bar spacing checker 260 is a tool for checking the interval of the three-phase bus bars 210 arranged in parallel. As shown in FIGS. 6 and 8, And a bus bar insertion hole 263 formed below the body 261 and a handle 262 formed above the body 261 so as to check an interval thereof.

The bus bar spacing checker size 260 serves to reduce the error by checking the spacing of the bus bar 210, and is a support item for more accurate and easy operation. Custom production is available upon request.

The MCCB mount 300 is a three-phase bus bar 210 as a three-phase (input) terminal 102 of the wiring breaker 100 coupled to the upper by plugging into the three-phase bus bar 210. Transfer voltage). The configuration of the MCCB mount 300 will be described in detail later with reference to FIGS. 11 to 19.

The circuit breaker 100 is electrically connected to the three-phase bus bar 210 by being plugged into the MCCB mount 300.

Booth Bar Middle Support (230)

Fig. 9 is a configuration diagram of the bus bar intermediate support 230. Fig.

As shown in FIG. 9, the bus bar intermediate support 230 is formed of an upper surface and a plurality of blocks 231 having a bus bar fixing hole 233 penetrated through both sides thereof, and one of the blocks 231. A plurality of busbar insertion holes 232 formed on the side and the other side, respectively, and a plurality of panel panel fixing holes 234 formed on the upper surface are provided.

The bus bar intermediate support 230 is inserted into the bus bar 210 into the bus bar insertion holes 232 formed at one side and the other side of the plurality of blocks 231, and then the fixing holes of the block 231 ( Each of the bus bars 210 is fastened and fixed through 233, and the assembly bolts are fastened to the panel panel fixing holes 234 to be fixed to the panel panel.

The bus bar intermediate support 230 is produced by a compression molding method, it is possible to use the same product to the left, right. In addition, the bus bar 210 is designed to be fixed with a bolt to be stably insulated and fixed, excellent in electrical insulation, and has an excellent effect on reinforcement and flame retardancy.

Booth Bar Supports (220)

10 is a configuration diagram of the bus bar support 220.

As illustrated in FIG. 10, the bus bar support 220 includes upper and lower bus bar supports 221 and 222 having bus bar insertion holes 221 a and 222 a formed at one side (or other side). The busbar support 220 is installed at one side and the other end of the busbar 210 and serves to support the busbar 210 in the busbar insertion holes 221a and 222a. By applying a coupling method, the warp bar 210 is prevented from warping.

The bus bar support 220 is produced by a compression molding method, and is used for fixing the bus bar 210 to upper and lower ends of the bus bar 210 inside the panel. The bus bar 210 can be stably insulated and fixed, excellent in electrical insulation, and excellent in reinforcement and flame retardancy.

MCCB Mount (300)

11 is a perspective view of the installation of the MCCB mounting bracket 300 in the bus bar 210, Figure 12 is an exploded perspective view of the MCCB mounting bracket 300 from above, Figure 13 is an MCCB mounting bracket 300 14 is a perspective view of the MCCB mounting unit 300, and FIGS. 15 and 16 are assembly views of the RST tracks 310, 320, 330 and the bus bar holder 350, and FIG. 17 is a bus bar holder. FIG. 18 is a perspective view of a booth bar holder 350 mounted on a three-phase bus bar 210, FIG. 19 is a perspective view of the MCCB mounting bracket 300, This is a perspective view.

11 to 14, the MCCB mounting unit 300 has an RST line installation unit 302 formed on the upper portion of the body 301 by a partition wall 304, and a bus bar insertion hole at a lower portion thereof. Booth bar holder protective cover 308 formed in a shape in which the 309 is cut out is formed to protrude at positions corresponding to the three-phase bus bar 210, respectively.

In the RST line mounting portion 302 of the MCCB mounting unit 300, an inner hole (space) of the bus bar holder protective cover 308 is formed, respectively, and in an inner hole of the bus bar holder protective cover 308. The bus bar holder 350 is provided. The bus bar holder 350 is configured in the form of a clip to be coupled to each of the three-phase bus bar 210 in a plug type, a detailed configuration will be described in Figures 15 to 18 to be described later.

Three phase RST lines 310, 320, and 330 are installed on the bus bar holder 350 installed in the inner hole of the bus bar holder protective cover 308, and the MCCB mounting table is mounted by an MCCB mounting pin 341 and an assembly bolt 342. It is fastened and fixed to the 300.

One side and the other side of the three-phase RST line (310, 320, 330) is fastened and fixed by the MCCB mounting pin 341 and the assembly bolt 342, the bent portion (34) at a position corresponding to the three-phase bus bar 210, respectively 311, 321, and 331 are formed, respectively, and the MCCB mounting holder 360 is fastened to the lower ends of the bent portions 311, 321, and 331 with assembly bolts 343. Accordingly, the three-phase RST lines 310, 320, and 330 are electrically connected to the three-phase busbar holder 350 by fastening.

In an embodiment of the present invention, the MCCB mounting pins 341 are formed at one side of the three-phase RST lines 310, 320, and 330, respectively, and the three-phase terminal connection holes 104 and the plug type are provided below the wiring breaker 100. It is configured to combine.

As shown in FIGS. 12 and 13, the MCCB mounting pin 341 includes an upper portion 341a configured in the form of a pin so as to be plugged with the terminal connection hole 104 of the circuit breaker 100, and the RST. The lower portion 341b configured in the form of a male screw to be fastened to the MCCB mounting unit 300 through the fixing holes of the lines 310, 320, 330, and are integrally formed between the upper portion 341a and the lower portion 341b and the RST lines 310, 320, 330. ) Is composed of an intermediate portion (341c) configured in the form of a female screw to fasten and fix the MCCB mount (300).

The MCCB mounting unit 300 prevents a short circuit by forming a partition wall 304 between the three-phase RST lines 310, 320, and 330, and forms a bus bar holder protective cover 308 on both sides of the bus bar holder 350. To prevent short circuits.

As shown in FIGS. 15 to 18, the bus bar holder 350 has terminals 351 and 352 formed in a clip shape to hold the bus bar 210 on both sides thereof, and the bus bar 210 is mounted End portions 351a and 352a of the terminals 351 and 352 are bent outward to facilitate the operation. Further, a bending portion 353 is formed on both sides of the upper portion of the RST line 310, 320, and 330 so as to be bent upward, thereby preventing distortion during assembly. In addition, by mounting another clip 354 on both sides of the terminals (351, 352) to have a double-shaped clip form, the pressure of the bus bar holder 350 is more than doubled. In addition, to prevent deformation of the bus bar holder 350 and when the product is mounted to ensure that the bus bar 210 is always firmly held.

Direct connection of circuit breaker Mounting  Other Example

20 is a perspective view of a direct connection mount of a circuit breaker according to another exemplary embodiment of the present invention, and FIG. 21 is an exploded perspective view of an MCCB mount of a circuit breaker according to another embodiment of the present invention, and FIGS. 22 (a) (b) Is a perspective view showing the MCCB mounting holder mounted on the MCCB mounting bracket, and FIG. 23 is a product photograph of the MCCB mounting holder mounted on the MCCB mounting bracket.

20 to 22, the MCCB mounting unit 300 has a three-phase bus bar holder 350 configured in a clip form to be coupled to the three-phase bus bar 210 in a plug form, respectively. The three-phase RST lines 310, 320 and 330 which are electrically connected to each other by fastening with the three-phase busbar holder 350 are configured on the upper side, and the MCCB mounting holder is provided on one side of the three-phase RST lines 310, 320 and 330. Each of the 360 parts is configured to be plugged with the three-phase terminal connecting pin 103 provided under the wiring breaker 100.

Here, as shown in FIG. 22, the MCCB mounting holder 360 forms a lower contact surface 364 having a shape in which a center fixing hole 365 is formed and each corner portion of a rectangle is cut out, and the lower contact surface A cut-out surface 362 cut at each corner of the square is formed to the upper end so that the cylindrical terminal 363 is divided into a plurality of parts, and the terminal 363 A circular spring 367 is mounted on the upper outer circumferential surface of the upper side of the c), and the upper end portion of the terminal 363 is bent outward.

The MCCB mounting holder 360 has a friction surface as large as possible in order to improve contact with the RST lines 310, 320, and 330. In addition, when the terminal connecting pin 103 of the circuit breaker 100 is inserted into the MCCB mounting hole 366 of the MCCB mounting holder 360, the terminal connecting pin 103 does not easily fall out to maintain the tension. A circular spring 367 was mounted. The end of the terminal 363 is bent outward to prevent the spring 367 from being pulled out of the terminal 363 and to facilitate the mounting of the terminal connecting pin 103.

The MCCB mounting holder 360 is fastened to the three-phase RST lines 310, 320, and 330 by the MCCB mounting pin 341 or the assembly bolt. Insert the terminal connecting pin 103 of the circuit breaker 100 into the MCCB mounting hole 366 of the MCCB mounting holder 360 fastened to the three-phase RST lines 310, 320, and 330 to connect the circuit breaker 100 to the MCCB. Mount on the mounting table (300).

The MCCB mount 300 according to the present invention is produced by an injection molding method to improve the productivity and a method of tightening and assembling the bus bar holder 350 and the RST lines 310, It is excellent, and it is possible to design an air vent hole for heat reduction effect in the part where heat is generated excessively.

As described above, the direct connection mount of the circuit breaker of the present invention and the switchboard having the same are mounted by plugging a circuit breaker (MCCB) mount on a three-phase busbar into a plug type, and the circuit breaker (to the MCCB mount). By configuring the MCCB to be plugged in, the technical problem of the present invention can be solved.

Preferred embodiments of the present invention described above are disclosed to solve the technical problem, and those skilled in the art to which the present invention pertains (man skilled in the art) various modifications, changes, additions, etc. within the spirit and scope of the present invention. It will be possible to, and such modifications, changes, etc. will be considered to be within the scope of the following claims.

100: wiring breaker (MCCB) 101: switch
102: Three phase terminal 103: Three phase terminal connection pin
104: 3-phase terminal connection hole 210: 3-phase busbar
220: Busbar support 221: Upper busbar support
221a: Booth bar insertion hole 222: Lower booster bar support
222a: Booth bar insertion hole 230: Bus bar intermediate support
231 block 232: busbar insertion hole
234: panel panel fixing hole 240: panel
250: panel cover 260: busbar spacing checker
261 body 262 handle
263: Booth bar insertion port 300: MCCB mounting bar
301: body 302: RST line installation
303: bolt holder 304: bulkhead
305: mounting fixing hole 306: MCCB fixing hole
307: wire insertion hole 308: busbar holder protective cover
309 busbar insert 310 RST track
311 bend portion 312: RST line fixing hole
320: RST track 321: bend
322: RST line fixing hole 330: RST line
331: bent portion 332: RST line fixing hole
341: MCCB mounting pin 341a: Upper part of the MCCB mounting pin
341b: Lower part of MCCB mounting pin 341c: Middle part of MCCB mounting pin
342: Assembly bolt 343: Assembly bolt
350: busbar holder 351: terminal
351a: end 352: terminal
352a: end 353: bending portion
354: clip 360: MCCB mounting holder
361 body 362: incision plane
363 terminal 364 lower contact surface
365: hole 366: MCCB mounting hole
367: spring

Claims (20)

delete In the mount for mounting the circuit breaker (MCCB),
Three-phase bus bars 210 arranged in parallel;
The three-phase bus bar holder 350 having a clip shape is configured at the lower portion to be coupled to the three-phase bus bar 210 in a plug manner, and electrically connected to the three-phase bus bar holder 350 by fastening. Three-phase connected RST lines 310, 320, and 330 are configured at the upper portion, and three-phase RCC lines 310, 320, and 330 are formed at one side of the three-phase RST lines 310, 320, and 330, respectively. An MCCB mount 300 for plugging with the terminal connection hole 104; And
And a circuit breaker (100) connected to the MCCB mounting unit by a plug type to electrically connect the bus bar.
The MCCB mounting pin 341 may include an upper portion 341a configured in the form of a pin to be plugged with the terminal connection hole 104 of the circuit breaker 100; A lower portion 341b having a male screw shape to be fastened to the MCCB mounting unit 300 through fixing holes of the RST lines 310, 320, and 330; And an intermediate portion 341c formed integrally between the upper portion 341a and the lower portion 341b and configured to have a female screw shape to fasten and fix the RST lines 310, 320, and 330 to the MCCB mount 300. Directly connected to the circuit breaker.
delete In the mount for mounting the circuit breaker (MCCB),
Three-phase bus bars 210 arranged in parallel;
The three-phase bus bar holder 350 having a clip shape is configured at the lower portion to be coupled to the three-phase bus bar 210 in a plug manner, and electrically connected to the three-phase bus bar holder 350 by fastening. Three-phase connected RST lines 310, 320, and 330 are configured at the upper portion, and three-phase RCC lines 310, 320, and 330 are formed at one side of the three-phase RST lines 310, 320, and 330, respectively. An MCCB mount 300 for plugging with the terminal connecting pin 103; And
And a circuit breaker (100) connected to the MCCB mounting unit by a plug type to electrically connect the bus bar.
The MCCB mounting holder 360 forms a lower contact surface 364 having a shape in which a center fixing hole 365 is formed and each corner portion of the quadrangle is cut out, and has a cylindrical shape as it goes upward from the lower contact surface 364. The incision surface 362 cut out at each corner portion of the quadrangle is formed to the upper end to form a plurality of cylindrical terminals 363 are separated into a plurality of, the circular spring (3) on the upper outer peripheral surface of the terminal 363 367) is mounted and the direct connection mount of the circuit breaker, characterized in that the upper end of the terminal (363) has a shape bent outward.
delete delete 5. The three-phase RST tracks 310, 320, 330 of claim 2 are:
One side and the other side are fastened and fixed by the MCCB mounting pin 341 and the assembly bolt 342, and bent portions 311, 321 and 331 are respectively formed at positions corresponding to the three-phase bus bars 210, respectively. Direct connection mount of the circuit breaker, characterized in that for fastening and fixing the MCCB mounting holder 360 to the lower end of the bent portion (311,321,331) with an assembly bolt (343).
The method of claim 2 or 4, wherein the MCCB mount 300 is:
The barrier rib 304 is formed between the three-phase RST lines 310, 320, 330 to prevent a short circuit.
The method of claim 2 or 4, wherein the MCCB mount 300 is:
The busbar holder protective cover 308 is formed on both sides of the busbar holder 350 to prevent a short circuit.
The bus bar holder 350 according to claim 2 or 4, wherein:
Terminals 351 and 352 are configured in the form of clips so as to bite the bus bar 210 from both sides, and end portions 351a and 352a of the terminals 351 and 352 are bent outwards, and the RST lines 310, 320 and 330 are Both sides of the upper portion is formed to form a bending portion 353 is bent upwards, the clip 354 is mounted on both sides of the terminals (351, 352) for the wiring characterized in that a double structure of the clip form Direct mounting of breaker.
The method of claim 2 or 4, wherein the direct mount is:
And further includes upper and lower bus bar supports 221 and 222 installed at one side and the other end of the bus bar 210 to support the bus bar 210 in the bus bar insertion holes 221a and 222a Direct connection mount of a circuit breaker, characterized in that.
12. The apparatus of claim 11, wherein the direct mounting mount comprises:
Installed in the middle of the bus bar 210, the bus bar 210 is inserted into the bus bar insertion hole 232 formed on one side and the other side of the plurality of blocks 231, and then Direct connection mount of the circuit breaker, characterized in that it further comprises a bus bar intermediate support 230 for fastening and fixing the bus bar 210, respectively through a fixing hole (233).
12. The apparatus of claim 11, wherein the direct mounting mount comprises:
Panels 240 of “┏” and “┓” shapes are formed on both sides of the bus bar 210.
The MCCB mounting unit 300 is mounted on the both sides of the panel 240 in a state in which the bus bar 210 is mounted and fixed to the fixing hole 241 of the panel 240. Direct mount.
The method of claim 13, wherein the direct mount is:
After the circuit breaker 100 is mounted on the MCCB mount 300, at least one panel cover 250 for sealing the remaining space of the panel 240 is fastened and fixed to the panel 240. Direct mounting of circuit breaker.
The method of claim 13, wherein the direct mount is:
Further comprising a bus bar interval checker (260) for inserting the three-phase bus bar (210) into a bus bar insertion port (263) formed at the bottom of the body (261) .
The switchgear provided with the direct connection stand of the circuit breaker of Claim 2 or 4.
The switchgear of claim 16, wherein the switchboard is:
A switchgear further comprising the three-phase RST lines (310, 320, 330) according to claim 7.
17. The switchboard of claim 16, wherein the switchboard comprises:
A switchgear further comprising the MCCB mount (300) according to claim 8.
17. The switchboard of claim 16, wherein the switchboard comprises:
A switchgear further comprising the MCCB mount (300) according to claim 9.
The switchgear of claim 16, wherein the switchboard is:
A switchboard further comprising the busbar holder (350) according to claim 10.

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