KR200429128Y1 - airtight electric distribution panel capable of checking degradation of bus bar - Google Patents

Abstract

The present invention relates to a hermetic switchgear capable of confirming a bus deterioration state.

The present invention is a switchboard that incorporates a variety of instruments and mechanisms including a bus bar in the main body having an opening and closing door, the input side bus line 210 centering on the insulating diaphragm 160 provided in the storage space 110 in the main body 100 ) And the output side bus bar 220 are connected to each other through the bent upper connection end 230 so as to be arranged in parallel in the front and rear directions; On one side of the main body (100), the auxiliary box (300) formed with a cable guide hole (310) to guide the outer cable (C) on the upper surface is integrally provided; The cable communication hole 320 so that the external cable (C) is passed through the lower side of the partition wall 330 separating the storage space 110 and the auxiliary box 300 of the main body 100 to be connected to the input side bus line 210. ); The protective cover 400 of a transparent material covering and protecting the output side bus bar 220 on the surface of the diaphragm 160 is characterized in that the coupling is made to be opened and closed around the hinge 420.

The present invention, such that when the external cable is connected to the inside of the main body is connected to the lower side of the main body through the auxiliary box provided separately to the outside of the main body of the switchgear, moisture such as rain water is penetrated into the main body through the external cable. In addition to preventing the direct contact between the bus and the various electrical devices, by installing a transparent protective cover there is an effect to facilitate the risk of problems or meter reading during contact.

Switchgear, bus bar, deterioration

Description

Airtight electric distribution panel capable of checking busbar deterioration status {airtight electric distribution panel capable of checking degradation of bus bar}

1 is a perspective view of the main portion separated according to the present invention,

FIG. 2 is a front view of a state in which various components are coupled to the inside of the coupling state of FIG. 1;

3 is a side cross-sectional view of FIG. 2;

4 is a front view of the opening and closing door in the closed state in FIG.

6 is an exploded perspective view illustrating the current transformer case separated from FIG. 1;

7 is a cross-sectional view of the coupled state of FIG.

<Description of the symbols for the main parts of the drawings>

100: main body 110: storage space

160: plate 165: salvage member

200: mothership

210: input side bus line 220: output side bus line

230: connector

300: auxiliary

310: cable guide hole 320: cable communication hole

330: bulkhead

400: protective cover 420: hinge

500: current transformer case

The present invention relates to a switchboard equipped with electrical components such as various instruments and breakers, and more particularly, when the cables are connected to the inside of the switchboard case, the cables are connected to the lower side of the main body through an auxiliary box provided separately from the outside of the switchboard body. Moisture, such as rainwater, can be prevented from penetrating into the switchboard case through the cable, and the inner bus bar can be protected from vortex hands, etc., and the transparent bus can be easily protected and read through the transparent protective cover. The invention relates to a hermetic switchgear capable of confirming a bus deterioration state.

In general, switchboards are installed in facilities such as buildings to control the operation of generators, transformers, and the like, and to fix fixtures and instruments necessary for turning off the generated power.

Conventional switchgear case is composed of the main body and the opening and closing door as is well known, the external cable is introduced into the main body through a hole formed in the upper side of the main body is connected to the bus.

That is, the bus bar is located at the upper end and the output end is located at the lower part of the main body so as to be connected to the external cable introduced into the upper hole of the main body.

Accordingly, when foreign matter penetrates into the hole provided on the upper side of the switchboard case or when the cable is wet with moisture due to rain water after the connection of the cable, there is a problem that water is introduced into the main body along the cable and damages various instruments and devices.

Recently, various electrical facilities including switchboard cases are installed along with the construction of the building. At this time, the main body is installed with the instrument and apparatus installed in the proper position designed for the worker's convenience. According to the configuration, when the external cable is connected to the bus bar input terminal in the main body, moisture has penetrated through the external cable due to an inadvertent mistake of the operator, and thus there is a problem that the pre-installed instruments and instruments are damaged.

In severe cases, the problem of replacing all the instruments and instruments in the main body is caused, and since the external cable is introduced from the upper side of the main body even after installation, rainwater, etc., penetrates through the gaps, thereby causing various problems.

Accordingly, the present invention was devised to solve the above problems, and an object of the present invention is to provide an auxiliary box on the outer side of the main body constituting the switchboard and to support the external cable connected to the input end of the main bus provided in the main body. It is to prevent various foreign substances, etc. from directly penetrating the inside of the main body through an external cable to be connected to the connection.

In addition, the switchboard is to be installed with or after the construction of the building to secure the internal instruments and mechanisms of the switchboard.

In addition, the input terminal and the output terminal of the buses provided in the inside of the switchboard are parallel to each other to be provided on the lower side of the main body so that the external cable can be easily connected to the input end of the main line from the lower side of the main body.

In addition, it is to prevent the electrical contact of the bus bar by providing a diaphragm for their insulation in the spaced gap between the input terminal and the output terminal of the bus bar arranged back and forth through the upper connection end.

In addition, the protective cover of the transparent material on the surface of the diaphragm to be rotatably coupled around the hinge to prevent the contact of the bus bar or to facilitate the meter reading.

In addition, by using the space generated by the bus bar to combine the current transformer between them to measure the current value.

In order to achieve the above object, the present invention provides a switchgear that incorporates various instruments and mechanisms including a bus bar in a main body having an open / closed door, wherein the input side bus lines and the output side bus bar are centered on an insulating diaphragm provided in a storage space in the main body. They are connected to each other through the bent upper connecting end so as to be arranged parallel to the front and rear; One side of the main body, integrally provided with an auxiliary box formed with a cable guide hole to guide the external cable on the upper surface; A cable communication hole is formed at a lower side of a partition wall separating the storage space of the main body and the auxiliary box so as to be connected to the input side bus bar; The protective cover of the transparent material to protect the output side busbar to the surface of the diaphragm is characterized in that the coupling is made to be opened and closed around the one side hinge.

Here, the fixing plate is coupled to the wall surface with a predetermined gap on the rear wall of the storage space of the main body, and the input side busbar is coupled to the fixing plate through the insulator.

In addition, the diaphragm is coupled in a state surrounding the outer bent end of the fixed plate through a non-conductive material holding member so as to prevent the generation of vortex damage when using a large current.

At this time, the through hole 164 is formed outward by the holding member on the outside of the diaphragm.

In addition, it may be desirable to further include a current transformer for guiding and fixing the output side bus bar to the upper side of the diaphragm.

The current transformer has a cover on one side, and has a bus bar guide hole on the front and rear surfaces so as to be coupled to each of the R, S, and T output buses that are parallel to the same line from the outside, respectively. A housing forming an electrode terminal hole which can be connected to the corresponding output side bus bar in a pair on the formed inclined surface, respectively; One end portion is formed integrally with the inner side of the housing and has a bus bar guide hole so that the output side bus bar and each slide can be coupled to each other, the guide member is wound around the outer coil.

In addition, the upper and lower sides of the busbar guide hole is formed in communication with the narrower than the width of the busbar guide hole, the assembly of the bolt or the like for fastening means of the support member for fixing the output side busbar or when connecting the adapter and the cable in the enclosure It is preferable to further form a communication hole for easy sex.

Hereinafter, with reference to the accompanying drawings, a preferred embodiment of the airtight switchgear capable of confirming the busbar deterioration state according to the present invention will be described in detail, it is determined that the subject matter of the prior art can obscure the subject matter of the present invention In this case, detailed description thereof will be omitted.

1 to 4, the present invention is a main body 100 incorporating various instruments and mechanisms (MCCB (wiring breaker, CT (current transformer)) and the like, the outside through the external cable in the main body 100 A bus 200 having an input / output terminal to receive power and output the corresponding power through an instrument and a mechanism, an auxiliary box 300 for guiding an external cable connected to the bus bus 200, and a bus having the input / output terminal ( It comprises a diaphragm 160 to isolate the 200 and the protective cover 400 of the transparent material provided on the surface of the diaphragm 160 and covers and protects the output side bus line 220.

The main body 100 forms a box-shaped switchboard case, and an inner storage space 110 is formed at the inside thereof so that various instruments and instruments can be built therein, and an opening / closing door which can be opened and closed is rotated around the hinge. Is installed.

The instruments and instruments refer to installation structures, such as breakers, current transformers, and the like, which are installed in a general switchboard, and various instruments and instruments are typically arranged by buses arranged horizontally between buses 200 arranged vertically. The busbars 200 arranged vertically are arranged in front and rear input / output busbars 210 and 220 so that the upper ends thereof are connected to each other through a connection end 230 so that the input / output busbars 210 are disposed at a lower part of the main body 100. Each end of the 220 is located.

In addition, both ends of the fixing plate 180 are bent and fixed to have a predetermined gap 182 on the rear side wall surface of the main body 100, and an input side bus line 210 is respectively insulated on the front surface of the fixing plate 180. It is fixedly coupled through the insulators 170.

 In addition, the input buses 210 and the output buses 220 connected by the connection end 230 are separated by a diaphragm 160 that is an insulator, and both ends of the diaphragm 160 are bent to fix the fixing plate 180. It is fixed closely to the outside of the).

In addition, the diaphragm 160 is positioned to be spaced apart from the fixed plate 180 by a plurality of holding members 165 of non-conductive material, and through holes to communicate with the outside by the holding members 165. 164 is formed.

Here, the fixing of the diaphragm 160 through the non-conductive holding member 165 is to prevent the generation of eddy current loss when using a large current.

The protective cover 400, a transparent acrylic material is applicable, the protective cover 400 is hinged to the support member 410 provided on the surface of the diaphragm 160 one end of the edge ( 420 is coupled, the other end is in close contact with the support member 410 and a handle 440 for opening and closing is provided on one side thereof.

The protective cover 400 covers and protects the output side bus line 220 provided on the surface of the diaphragm 160.

Here, the outer edge of the protective cover 400 is made of a metallic material to facilitate structural rigidity and coupling with the support member 410.

The auxiliary box 300 is integrally manufactured through a partition on one side of the male space of the main body 100.

That is, the auxiliary box 300 is made of a size that can be guided to the external cable, the upper side of the cable guide hole 310 for guiding the external cable is formed, the main body 100 and the auxiliary box ( The cable communication hole 320 communicating with the inside of the main body 100 is formed at the lower side of the partition wall 330 to isolate the inside of the main body 100 so as to be bent and guided.

Here, the outer cable C is introduced through the cable guide hole 310 of the auxiliary box 300 and the bus bar 200 connected to the instrument and the device part through the cable communication hole 320 of the partition wall 330. It is connected to the input side bus line 210 of the.

Figure 2 shows the front installation state of the switchboard according to the present invention is shown that the main bus 200 and the wiring main breaker is connected, and the bus and branch breaker is connected.

That is, the main circuit breaker M is installed on the surface of the diaphragm 160 above the input and output busbars 210 and 220, and the ground line part NT is disposed in parallel to both sides of the main circuit breaker. The breaker M can be easily connected.

In addition, the branch circuit breaker MC is arranged up and down on both sides of the output side bus line 220, and a "∪" ground line part ET is provided to be connected to the branch circuit breaker MC on both sides and the bottom thereof. The branch breaker MC and the ground line part can be easily connected.

This is to overcome the fact that the ground line part is horizontally disposed below the circuit breaker in which the ground line part is arranged so that magnetic circuits cannot be found when connecting them.

Reference numeral 140 in the drawings is for sealing the inside of the main body 100 when the opening and closing door not shown in the packing.

Reference numeral 500 in the figure is a current transformer, and is installed using a gap between the protective cover 400 and the diaphragm 160.

5 or 6, the current transformer (CT) includes a current transformer in which a coil is wound around a rectangular iron core, and a current transformer case in which the current coil is provided and guide holes are formed to penetrate the busbar. And it consists of an electrode terminal connected to the load on the upper surface of the current transformer case is converted into a current value suitable for the use place through the current transformer coil as the high voltage current of the bus passes through the current transformer.

In other words, the current transformer 500, the front and rear surfaces so that one surface is made of a cover 511, R, S, T three output side buses 220 which are parallel to the same line from the outside can be passed through the coupling. It has a bus bar guide hole 512, the housing 510 to form an electrode terminal hole 513 that can be connected to the output side bus line 220 in a pair on each of the inclined surface formed on the other surface corner, and one end is The guide member 520 is formed integrally with the inner side of the housing 510 and has a bus bar guide hole 522 so that the output side bus bar 220 can be coupled by passing through each slide, and the coil 523 is wound on the outside. Is made of.

In addition, the upper and lower sides of the bus bar guide hole 522 are formed to communicate with each other narrower than the width of the bus bar guide hole 522 to fix the fitting member of the support member 530 for fixing the output bus bar 220 or the enclosure ( A communication hole 540 is further formed in the 510 to facilitate assembly of a bolt, such as a fastening means, when the adapter is connected to the cable.

This causes the coil 523 to be wound on the outer circumferential surface of the guide member 520 provided inside the enclosure 510 so as to convert the coil 523 into an appropriate current value. Then, after the output side buses 220 are passed through the bus bar guide holes 512 and 522 of the enclosure 510, the cover 511 is coupled to complete the assembly.

After the electrode terminal (not shown) is fastened to the electrode terminal hole 513 in succession, an external load (not shown) is connected to the electrode terminal and the coil 523 is assembled.

Referring to the installation process of the airtight switchgear capable of confirming the bus deterioration state configured as described above are as follows.

At the time of installation, it can be installed together with the building construction or after the building construction. First, the main body 100 is coupled to a position where the external cable C is to be installed, and subsequently formed on the outer auxiliary box 300 of the main body 100. In the state where the external cable (C) is introduced into the cable guide hole 310, the external cable (C) is bent to pass through the cable communication hole 320 provided on the lower side of the partition 330, and then positioned. .

Subsequently, when an electrical device is required, various instruments and instruments are installed, and the input and output buses 210 and 220 having the input and output terminals arranged in parallel are connected through the connection 230, and then the input buses 210 Connect the external cable to the bottom of).

Then, the external cable C is not directly connected to the main body 100, but is connected to an end of the input side bus line 210 at the lower side of the main body 100 through the auxiliary box 300.

Therefore, the airtight switchgear capable of confirming the bus bar deterioration state according to the present invention has an auxiliary cable connected to an input end of a bus bar provided in the main body and provided with an auxiliary box on the outside of the main body constituting the switchgear. By being connected, it is possible to prevent external foreign matters from penetrating into the main body and also to prevent various foreign matters from directly penetrating into the main body through an external cable.

In addition, the switchboard case can be installed together with or after the construction of the building, thereby effectively protecting the internal instruments and mechanisms of the switchboard case.

In addition, since the input terminal and the output terminal of the buses provided inside the switchboard case are provided in parallel with each other in the lower side of the main body, there is an effect that the external cable can be easily connected to the input end of the main bus at the lower side of the main body.

In addition, by providing a diaphragm for the insulation between the input terminal and the output terminal of the bus bar arranged back and forth through the upper connection end, there is an advantage that can effectively prevent the electrical contact of the bus bar.

In addition, as the ground line part is provided in parallel in both the main circuit breaker and the branch circuit breaker provided on the surface of the diaphragm, there is an effect to facilitate the connection.

In addition, the protective cover of the transparent material on the surface of the diaphragm provided inside the storage space of the body to be rotatably coupled around the hinge has the effect of facilitating the meter through the contact prevention or transparent material of the exposed output side bus bar. .

In addition, by utilizing the space generated by the input and output side bus bar to combine the current transformer between them to measure the current value.

In addition, the output side busbars can be easily installed and fixed on the current transformer housing to ensure the ease of installation and the appearance is beautiful, as well as the buses can be stably fixed when assembling the current transformer body and busbars, and also There is an effect to facilitate the assembly when connected.

In addition, the electrode terminals provided on one side of the current transformer housing are positioned on the same line as the corresponding bus bar, thereby preventing grounding of the terminals connected to the electrode terminals.

Claims (6)

In the switchgear which incorporates various instruments and mechanisms including the bus bar in the main body having an opening and closing door, The upper connection end is provided in the storage space 110 in the main body 100 and the input side bus line 210 and the output side bus line 220 are bent around the diaphragm 160 spaced through the holding member 165 ( 230 are each connected so as to be parallel to the front and rear; On one side of the main body (100), the auxiliary box (300) formed with a cable guide hole (310) to guide the outer cable (C) on the upper surface is integrally provided; The cable communication hole 320 so that the external cable (C) is passed through the lower side of the partition wall 330 separating the storage space 110 and the auxiliary box 300 of the main body 100 is connected to the input side bus line 210. ); The mother bus deterioration state, characterized in that the protective cover 400 of the transparent material for covering and protecting the output side bus bar 220 on the surface of the diaphragm 160 is coupled to open and close around the hinge 420. Confidentiality switchgear that can be checked. The method of claim 1, The fixing plate 180 is coupled to the wall surface and the gap 182 on the rear wall of the storage space 110 of the main body 100, and the input side bus lines 210 are insulated on the fixing plate 180. Airtight switchgear capable of confirming the bus bar deterioration status, characterized in that coupled to be fixed through. The method according to claim 1 or 2, The diaphragm 160 is coupled to surround the outer bent end of the fixing plate 180 through the non-conductive material stiffening member 165 to prevent the generation of vortex damage when using a large current, and by the stiffening member 165 Air-tight switchgear capable of confirming the bus bar deterioration state, characterized in that the through-hole 164 is formed outward on the outer surface of the diaphragm 160. The method of claim 3, A current transformer 500 for guiding and fixing the axial force side buses 220 is provided above the diaphragm 160; The current transformer 500, One side is made of a cover 511, and has a bus bar guide hole 512 on the front and rear surfaces so that three output side buses 220, R, S, and T, which are located in parallel on the same line from the outside, can pass and be coupled thereto. A housing 510 for forming an electrode terminal hole 513 which may be connected to the corresponding output side bus line 220 in pairs on the inclined surfaces formed at the corners of the other surface; One end is formed integrally with the inner side of the housing 510 and has a bus bar guide hole 522 so that the output side bus bar 220 can be coupled to each other through the slide, the guide coil coil 523 is wound on the outside Member 520; airtight switchgear capable of confirming the bus bar deterioration state, characterized in that consisting of. The method of claim 4, wherein Upper and lower sides of the bus bar guide hole 522 are formed to communicate with each other narrower than the width of the bus bar guide hole 522 to fix the fitting member of the support member 530 for fixing the output bus bar 220 or the housing 510. Air-tight switchgear capable of checking the bus deterioration status, characterized in that it further forms a communication hole (540) to facilitate the assembly of the bolt, such as a fastening means when connecting the adapter and the cable within. The method of claim 4, wherein On the surface of the diaphragm 160, A main circuit breaker (M) is installed above the input and output buses (210) (220) and the ground line (NT) is disposed in parallel to both sides thereof; It is characterized in that the branch circuit breaker (MC) is installed in both sides of the output side bus line 220 to be arranged up and down, and the "∪" ground line part (ET) is provided to be connected to the branch circuit breaker (MC) on both sides and the lower side. Airtight switchgear to check the bus deterioration status.

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