KR102264955B1 - Distribution panel - Google Patents

Abstract

Provided is a switchboard including: a frame part constituting a skeleton structure which forms therein a certain space; an outer panel which is provided in the frame part and forms an outer wall; and a door part which is provided in the frame part and is opened/closed. The frame part includes: a vertical frame arranged in the vertical direction; an upper horizontal frame which connects an upper section of the vertical frame; a lower horizontal frame which connects a lower section of the vertical frame; a bearing part which is connected to the lower horizontal frame, includes a plurality of bearings on a lower surface, and reduces friction with a floor on which the frame part is provided; and elastic parts which are respectively provided to connection points of the vertical frame and the lower horizontal frame, and provides elastic force in a restoration direction according to a horizontal movement of the frame part. The elastic part includes: a first hinge part provided to the lower horizontal frame side; a 1-1th extension arm and 2-1th extension arm to which end sections of the first hinge part in a first direction are respectively connected; a 2-1th hinge part and a 2-2th hinge part which are respectively formed at the other side end section of the 1-1th extension arm and an end section of the 2-1th extension arm in a second direction on the other side in the first direction; a 1-2th extension arm and a 2-2th extension arm which respectively have first direction side end sections on the 2-1th hinge part and the 2-2th hinge part; a third hinge part to which the second direction side end sections of the 1-2th extension arm and the 2-2th extension arm are connected together and which is fixed to the floor; and a spring member connected between the 2-1th hinge part and the 2-2th hinge part.

Description

distribution panel

The present invention relates to a switchboard, and more particularly, to a switchboard having seismic resistance to each of a vertical vibration component and a horizontal vibration component.

BACKGROUND ART In general, a switchboard, a switchboard, or a distribution board is a device that receives high-voltage or extra-high voltage electricity supplied by a power company, converts it into a voltage used by a consumer, and distributes it to a load facility.

These numbers, ships, and distribution boards (hereinafter simply 'distribution boards') are made of cubicles with a partition structure,

Various electrical components such as power devices such as high-voltage circuit breaker and current transformer and relays for protection and monitoring of the power system are provided therein. In addition, in addition to the power device, a bus bar connecting the power devices according to the power system and wiring for measurement and monitoring of the power device are disposed inside the switchboard, and the outside of the cubicle type switchboard is usually concrete It is installed on the floor of the switchboard, and a hole is formed on the bottom surface of the switchboard for monitoring wiring between power devices and for wiring load facilities.

As such, since the switchboard is mainly installed on the floor of a building, if vibration or shock occurs due to an earthquake, etc., the power equipment inside the control panel and parts such as the wiring and protection system that interconnect these power equipment are easily damaged. will do

In order to solve this problem, various technologies have been proposed to withstand external shocks such as earthquakes by mounting a shock absorber, such as Korean Patent Registration No. 10-1139226 and Korean Patent No. 10-1155995.

These prior arts have mainly been studied only for the technology of installing a member capable of absorbing vibration between the lower floor surface of the switchboard and the building floor, or the technology of protecting the parts in the switchboard with an elastic member. However, such a conventional technique has a limitation in that it is not economical because it is complicated to install, requires a lot of additional parts, and is expensive, so that its practical utility is not great.

The present invention provides a means capable of properly damping vibrations and shocks with respect to horizontal and vertical vibrations of a distribution board.

In the switchboard comprising: a frame portion forming an exoskeleton structure forming a predetermined space therein; an outer panel provided in the frame portion to form an outer wall; and a door portion provided in the frame portion to open and close,

The frame unit may include: a vertical frame arranged in a vertical direction; an upper horizontal frame connecting the upper portions of the vertical frame; a lower horizontal frame connecting the lower portions of the vertical frame; a bearing part connected to the lower horizontal frame and including a plurality of bearings on a lower surface to reduce friction with a floor on which the frame part is provided; and an elastic part provided at a connection point between the vertical frame and the lower horizontal frame to provide an elastic force in a restoring direction according to the horizontal movement of the frame part;

The elastic part may include: a first hinge part provided on a side of the lower horizontal frame; a 1-1 extension arm and a 2-1 extension arm to which ends of the first hinge part in a first direction are respectively connected; a 2-1 hinge part and a 2-2 hinge part respectively formed at the other end of the 1-1 extension arm and an end in a second direction, which is the other end of the 2-1 extension arm in the first direction; a first-second extension arm and a second-second extension arm, each end of which is connected to the second-first hinge part and the second-second hinge part in a first direction; a third hinge part connected to the second direction side ends of the 1-2 extension arm and the 2-2 extension arm and fixed to the floor; and a spring member connected between the 2-1 th hinge part and the 2-2 th hinge part.

In addition, the frame part may be formed in a quadrangular pole shape, and a total of four elastic parts may be provided at vertices of the quadrangle formed by the lower horizontal frames.

In addition, an extension frame each extending in an inner center direction from a vertex of a quadrangle formed by the lower horizontal frames may be included, and the bearing unit may be connected to the extension frame.

In addition, the sum of the lengths of the 1-1 extension arm and the 1-2 extension arm may be different from the sum of the lengths of the 2-1 extension arm and the 2-2 extension arm.

In addition, the lengths of the 1-1 extension arm and the 1-2 extension arm may be the same, and the lengths of the 2-1 extension arm and the 2-2 extension arm may be the same.

According to the present invention, the elastic part converts the horizontal vibration transmitted to the switchboard into rotational motion, thereby absorbing shock and attenuating the impact transmitted to the inside of the switchboard. It has the effect of minimizing the excitation vibration caused by

1 is a perspective view showing a state of a switchboard according to an embodiment of the present invention.
2 is a perspective view illustrating a state of a frame unit according to an exemplary embodiment.
3 is a plan view illustrating a configuration including a lower horizontal frame and an elastic part according to an embodiment.
4 is a plan view illustrating a state of an elastic part according to an exemplary embodiment.
5 is a plan view illustrating a configuration including a lower horizontal frame and an elastic part according to another embodiment.
6 and 7 are schematic diagrams for explaining the action of dispersing the horizontal vibration by the elastic part according to FIG.
8 and 9 are schematic diagrams for explaining the configuration of a vertical frame according to an embodiment.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. Unless there is a specific definition or reference, the terms indicating the direction used in this description are based on the state indicated in the drawings. Also, the same reference numerals refer to the same members throughout each embodiment. On the other hand, each component shown in the drawings may have an exaggerated thickness or dimension for convenience of description, and does not mean that it should actually be configured in a ratio between the corresponding dimensions or components.

A switchboard and a frame part included therein according to an embodiment will be described with reference to FIGS. 1 to 4 . 1 is a perspective view illustrating a state of a switchboard according to an embodiment of the present invention, and FIG. 2 is a perspective view illustrating a state of a frame part according to an embodiment. Also, FIG. 3 is a plan view illustrating a configuration including a lower horizontal frame and an elastic part according to an embodiment, and FIG. 4 is a plan view showing a state of the elastic part according to an embodiment.

The switchboard 10 according to an embodiment of the present invention includes a frame part 100 shown in FIG. 2 , external panels 20 and 40 , and a door part 30 . The frame part 100 forms an exoskeleton structure forming a predetermined space therein. Various electric components such as power devices such as high voltage circuit breaker and current transformer and relays for power system protection and monitoring are provided in a certain space inside. Wiring for device measurement and monitoring is arranged, and the outside of the cubicle-type switchboard is usually installed on a floor (floor) such as concrete, and the lower floor of the switchboard has a hole for monitoring wiring between power devices and wiring for load facilities. can be formed. In addition, the frame unit 100 may include various supporting components for supporting and fixing the above components and auxiliary frames for reinforcing the structure of the frame unit 100 .

The outer panel is a component including the upper and lower surfaces 20 or sidewalls 40 and functions to isolate the inside and outside of the switchboard 10 by forming an outer wall. Accordingly, the door part 30 is provided in the frame part and opened and closed to perform the above-described maintenance-related actions of the internal devices.

Referring to FIG. 2 , the frame part 100 includes a vertical frame 120 , an upper horizontal frame 110 , a lower horizontal frame 130 , a bearing part 140 , and an elastic part 200 .

The frame part 100 according to the present embodiment is formed in the shape of a square pillar. The vertical frame 120 is arranged in a vertical direction, and the upper horizontal frame 110 connects the upper portions of the vertical frame to form an upper quadrangular shape of the frame part 100 . The lower horizontal frame 130 connects the lower portions of the vertical frame 120 to form a lower quadrangular shape of the frame portion 100 . The bearing unit 140 is connected to the vertex of the rectangle formed by the lower horizontal frame 130 by an extension frame 135, and includes a plurality of bearings on the lower surface to reduce friction with the floor on which the frame unit 100 is supported. Reduce. The extension frames 135 are respectively extended in the inner center direction from the vertices of the quadrangle formed by the lower horizontal frames and are connected to the circumference of the bearing unit 140 . Additional auxiliary frames may be provided to support the external force transmitted from the lower portion of the bearing, if necessary.

The elastic unit 200 is provided at a connection point between the vertical frame 120 and the lower horizontal frame 130 , respectively, to provide an elastic force in a restoring direction according to the horizontal movement of the frame unit 100 .

Specifically, as shown in FIG. 3 , the elastic part 200 is a first hinge part 205 provided on the lower horizontal frame 130 side, and a first hinge part 205 in the first direction (frame part direction). It includes a 1-1 extension arm 210a and a 2-1 extension arm 210b to which the ends are respectively connected. The other end of the 1-1 extension arm 210a and the second end of the 2-1 extension arm 210b, which is the other end in the first direction, have a 2-1 hinge portion 215a and a 2-2 second end portion, respectively. A hinge portion 215b is formed. A 1-2 extension arm 220a and a 2-2 extension arm 220b are connected to each of the 2-1 hinge part 215a and the 2-2 hinge part 215b. The second direction side ends of the 1-2 extension arm 220a and the 2-2 extension arm 220b are connected together to the third hinge part 230 . The third hinge part 230 is fixed to the floor described above. In addition, the spring member 250 is connected between the 2-1 hinge part 215a and the 2-2 hinge part 215b.

When the first hinge part 205 and the third hinge part 230 come closer, the gap between the 2-1 hinge part 215a and the 2-2 hinge part 215b increases, and vice versa, the first hinge part 215b. As the distance between the branch part 205 and the third hinge part 230 increases, the distance between the second-first hinge part 215a and the second-second hinge part 215b becomes closer. At this time, the spring member 250 is stretched when the distance between the 2-1 th hinge part 215a and the 2-2 hinge part 215b increases, and the 2-1 th hinge part 215a and the 2-2 th hinge part 215b. As the distance between the hinge portions 215b approaches, it decreases. At this time, when the gap between the 2-1 hinge part 215a and the 2-2 hinge part 215b increases, the restoring force of the spring member 250 is the 2-1 hinge part 215a and the 2-2 hinge part 215b. It acts strongly in the direction of narrowing the gap between the branches 215b. On the other hand, when the gap between the 2-1 hinge part 215a and the 2-2 hinge part 215b is narrowed, the spring member 250 is slightly reduced, but the restoring force therefor is relatively weak. This is when the first hinge part 205 and the third hinge part 230 are close to a certain distance when viewed in FIG. 4 in a normal state or a reference state, the 2-1 hinge part 215a and the 2-2 hinge part When the distance between the 215b is increased by the same distance between the first hinge part 205 and the third hinge part 230, the 2-1 hinge part 215a and the 2-2 hinge part 215b ) is due to the fact that the distance between them is small, and also because the force restored when the properties of the spring itself is stretched from the normal state is greater than the force restored when the spring is pressed, this phenomenon occurs.

An elastic part according to another embodiment will be described with reference to FIGS. 5 to 7 . 5 is a plan view illustrating a configuration including a lower horizontal frame and an elastic part according to another embodiment, and FIGS. 6 and 7 are schematic diagrams for explaining the action of dispersing horizontal vibration by the elastic part according to FIG. 5 .

The elastic part 200a according to the present embodiment is different from the elastic part described above in that the total length of the extension arms connected in two branches is formed differently. Specifically, as shown in FIG. 5 , the sum of the lengths of the 1-1 extension arm 210S and the 1-2 extension arm 220S is the 2-1 extension arm 210L and the 2-2 extension arm. It is formed smaller than the sum of the lengths of (220L). At this time, the 1-1 extension arm 210S and the 1-2 extension arm 220S are formed to have the same length, and the lengths of the 2-1 extension arm 210L and the 2-2 extension arm 220L are the same. may be formed to be the same.

Through this configuration, as shown in FIG. 6 , the moving direction of the first hinge part 205 when the first hinge part 205 approaches the third hinge part 225 and the first hinge part 205 as shown in FIG. 7 . When the hinge part 205 moves away from the third hinge part 225 by the restoring force, the moving direction of the first hinge part 205 is not the same. Due to the characteristics of this configuration, when the floor surface shakes, for example, an earthquake occurs, even if a horizontal shaking force is applied, the frame part moves in a rotational direction rather than in a certain direction in the same way, resulting in a sudden change of direction to the internal devices. The impact is not transmitted and is distributed in the rotational direction.

A vertical frame according to an embodiment will be described with reference to FIGS. 8 and 9 . 8 and 9 are schematic diagrams for explaining the configuration of a vertical frame according to an embodiment.

The vertical frame 120 may include an inner vertical frame 125 and an outer vertical frame 123 . The inner vertical frame 125 is formed to extend upward from the vertices that are the connection points of the lower horizontal frames 130 , and the outer vertical frames 123 are formed downward from the vertices that are the connection points of the upper horizontal frames 110 , and at the same time The hollow part 1201 is formed so that the inner vertical frame 123 can be accommodated. A second spring member 19 is provided at an upper end of the inner vertical frame 125 . The second spring member 19 is provided in the hollow portion 1201 of the outer vertical frame 123 to provide an elastic force between the outer vertical frame 123 and the inner vertical frame (125). The vertical direction vibration transmitted to the inner vertical frame 125 with respect to the vertical direction vibration is attenuated from being transmitted to the outer vertical frame 123 .

At this time, the inner vertical frame 125 may be formed in a multi-structure. That is, the micro-hollow part 1253 is formed along the central axis of the inner vertical frame 125 to act as a damping action when the external vertical frame 123 vibrates.

In addition, since it is very difficult to form the micro-hollow part 1253 when the vertical frame 125 is formed of a metal material, the inner vertical frame 125 is formed of a metal tubular member 1251 and a tubular member 1251. It may include an inner member 1252 provided in the interior of the synthetic resin material. By forming the micro-hollow part 1253 on the inner member 1252 made of a synthetic resin material, workability can be improved.

Although the preferred embodiment of the present invention has been described above, the technical spirit of the present invention is not limited to the above-described preferred embodiment, and can be implemented in various ways without departing from the technical spirit of the present invention embodied in the claims. have.

100: frame part
110: upper horizontal frame
120: vertical frame
130: lower horizontal frame
140: bearing part
200: elastic part

Claims (5)

In the switchboard comprising: a frame portion forming an exoskeleton structure forming a predetermined space therein; an outer panel provided in the frame portion to form an outer wall; and a door portion provided in the frame portion to open and close,
The frame part,
a vertical frame arranged in a vertical direction;
an upper horizontal frame connecting the upper portions of the vertical frame;
a lower horizontal frame connecting the lower portions of the vertical frame;
a bearing part connected to the lower horizontal frame and including a plurality of bearings on a lower surface to reduce friction with a floor on which the frame part is provided; and
An elastic part provided at a connection point between the vertical frame and the lower horizontal frame to provide an elastic force in a restoring direction according to the horizontal movement of the frame part;
The elastic part,
a first hinge portion provided on the lower horizontal frame side;
a 1-1 extension arm and a 2-1 extension arm to which ends of the first hinge part in a first direction are respectively connected;
a 2-1 hinge part and a 2-2 hinge part respectively formed at the other end of the 1-1 extension arm and an end in a second direction, which is the other end of the 2-1 extension arm in the first direction;
a 1-2 extension arm and a 2-2 extension arm, each of the 2-1 hinge part and the 2-2 hinge part having a first-direction end connected thereto;
a third hinge part connected to the second direction side ends of the 1-2 extension arm and the 2-2 extension arm and fixed to the floor; and
a spring member connected between the 2-1 hinge part and the 2-2 hinge part;
The frame portion is formed in a rectangular column shape,
A total of four elastic units are provided at the vertices of the rectangles formed by the lower horizontal frames, respectively,
Including; and extending frames each extending in the inner center direction from the vertices of the quadrangle formed by the lower horizontal frames.
The bearing part is connected to the extension frame,
The sum of the lengths of the 1-1 extension arm and the 1-2 extension arm is formed to be different from the sum of the lengths of the 2-1 extension arm and the 2-2 extension arm,
The 1-1 extension arm and the 1-2 extension arm have the same length, and the 2-1 extension arm and the 2-2 extension arm have the same length. delete delete delete delete

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