KR101981784B1 - Seismic devices incoming panel and distribution panel - Google Patents

Abstract

The present invention relates to a seismic apparatus for a distribution board. More specifically, the seismic apparatus for a distribution board comprises: an electric fixation unit electrically connected to high-pressure equipment disposed in each of a plurality of distribution boards; a flexible busbar provided to electrically connect each electric fixation unit installed in each of the distribution boards adjacent to each other and having flexibility to buffer an impact applied from the outside; a plurality of buffering units, each of which has a buffering spring and which are disposed between the two distribution boards adjacent to each other and are provided to buffer a transmitted impact to keep a distance between the two adjacent distribution boards so as to buffer the impact applied to the flexible busbar; and a buffering cover having flexibility and provided to cover a space between the corresponding distribution boards, in which the buffering unit is disposed, thereby preventing foreign matters from entering, and thus, it is possible to prevent breakage of the busbar. According to the present invention, since the impact applied from the outside is buffered, the buffered impact can be transferred to the other adjacent distribution boards, and an electrical connection state can be also maintained.

Description

{Seismic devices incoming panel and distribution panel}

More particularly, the present invention relates to an earthquake-resistant apparatus for a power-transmission-and-distribution system capable of maintaining an electrically connected state between a plurality of arranged power-transmission bases even when an external impact is transmitted thereto.

Generally, the power distribution system is a power supply system that converts power from high voltage to low voltage and supplies power to apartments, buildings, schools, factories, ports and so on.

In other words, a high voltage of 3,300V or 6,600V is to be supplied from a power distribution line of a substation and transformed into a commercial voltage. Especially, in a large-sized building, a high voltage of 22.9kV is supplied to transform a commercial voltage into a commercial voltage .

Most of the switchgear equipments include a transformer, an optimum operation controller of the transformer, and a power monitoring controller. It is constructed as a single case of high and low pressure integrated with a multi-layered structure to prevent external moisture and foreign substances from entering and easy to install. do.

In particular, the power monitoring controller installed inside the high and low pressure integrated switchboard processes the sensed values of the temperature sensor and the current voltage sensor to extract information such as the operating temperature, load factor, phase loss factor, power factor, harmonic factor, and imbalance ratio of the high voltage transformer It is also notified to the administrator through the LCD display attached to the power monitoring controller and also transmitted to the remote management system through the communication interface device.

Such a switchgear installation is required to maintain its function for a long time after installation, and thus it is installed in a structure corresponding to external impacts.

Conventionally, as disclosed in Japanese Patent Application No. 10-1232336, a switchboard can mitigate an impact transmitted from the outside such as an earthquake by the vibration pad and the lower structure having the vibration pad.

However, since a plurality of switchgear modules are installed and electrically connected to each other, it is of course possible to mitigate the impact by the vibration pad and the earthquake-resistant substructure in the entire arranged switchgear, but the impact transmitted from the outside may not be uniform, The impact transmitted to the whole may not be mitigated.

In such a case, the electric connection part connected between the switchboards is damaged, so that stable power supply can not be provided, and an electric shock accident occurs due to a short circuit or the like.

Accordingly, there is an urgent need to develop a technique that can protect a part electrically connected between the switchboards from external shocks.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and it is an object of the present invention to provide an electric power steering system for an electric power steering system, A flexible spring bar and a buffer spring having flexibility so as to electrically connect the bushings to each other and to mitigate an impact transmitted from the outside, and a plurality of bushing springs are provided between two adjacent bushings, A buffer for keeping an interval to alleviate an impact transmitted directly to the flexible booth, and a flexible body for covering the space between the switchboards provided with the buffer, thereby preventing foreign matter from entering the flexible busbars, The shock absorbing cover, including the impact transmitted from the outside And it is an object of the present invention to provide an earthquake-resistant apparatus for a power-transmission-and-distribution system capable of mitigating an impact to another adjacent transmission /

According to an aspect of the present invention, there is provided an electric power steering system, comprising: an electric fixing unit provided to electrically connect a high-voltage device provided in each of a plurality of arranged switchgear units; and electric fixing units provided in adjacent muting / A plurality of flexible busbars and buffer springs having flexibility to mitigate impact transmitted from the plurality of adjacent busbars, and a plurality of bobbins are provided between two adjacent busblocks to mitigate the transmitted impacts, And a cushion cover having flexibility and preventing a foreign body from flowing into the corresponding switchgear provided with the cushioning unit to prevent breakage of the flexible busbar.

Preferably, the electric fixing unit includes: a fixed plate unit electrically connected to the high-pressure equipment provided in the corresponding switchgear; a fixing insulator formed of a material that is fixed to the power transmission and control panel but not electrically connected; And a second fixing member for fixing the first fixing member to the second fixing member.

The fixing plate portion includes a first fixing plate having a predetermined thickness and formed to be flat and fixed to the fixing insulator, and a flexible material having one end connected to the high-pressure member and the other end connected to the first fixing plate, And a second fixing plate connected to the second fixing plate.

In addition, the electric fixing portion may further include a fixing elastic portion for elastically fixing the fixing insulator to the corresponding switchboard.

The flexible busbar may include a connection plate to be positioned in each of the fixed plate portions provided in adjacent two switchbars, a connection cable electrically connected to the two connection plates, the connection cable being made of a flexible material, And a second fixing member for fixing the plate to the fixed plate portion.

The cushioning portion may include a first cushioning installation hole formed in any one of the two adjacent switchboards, a second cushioning installation hole formed in the other one of the two adjacent switchboards, A first buffer block located on the outer surface of any one of the switchboards, a second buffer through-hole at the center so as to correspond to the second buffer hole, and an outer surface of the other one of the switchboards A second buffer block positioned between the first buffer block and the second buffer block, and a buffer spring disposed between the first buffer block and the second buffer block. The first buffer block and the first buffer block, the buffer spring, A cushioning block, a cushioning fixing bolt penetrating through the second cushioning installation hole, and a cushioning nut fastened to the end portion protruding through the second cushioning installation hole to elastically connect the two power distribution boards.

The first buffer block and the second buffer block have elasticity and mitigate the impact corresponding to the displacement of the respective switchgear and the deformation of the buffer spring.

And a buffer rotation unit for rotatably mounting the buffer fixing bolt and the buffering nut in the buffering mounting hole corresponding to the displacement of the switchgear due to external impact.

The cushioning rotation unit may include a first rotation hemisphere formed in a hemispherical shape in the head of the cushioning fixing bolt so that a cushioning fixing bolt is rotatably provided in the first cushioning installation hole, And a second rotating hemisphere having a nut rotatably provided in the second buffer mounting hole.

A first rotating seat portion formed to be recessed around the first cushioning mounting hole so as to correspond to the first rotating hemisphere; and a second rotating seat portion formed to be recessed around the second cushioning mounting hole corresponding to the second rotating hemisphere, And a seat portion.

The first buffering through-hole inner surface of the first buffering block may further include a first rotating taping portion formed to be inclined outward toward the buffering nut in order to secure a rotation space of the buffering bolt, The second buffer through-hole inner side surface of the second buffer block further includes a second rotation taping portion formed to be inclined outward toward the buffer fixing bolt direction so as to secure the rotation space portion of the buffer fixing bolt.

And an auxiliary buffer spring for elastically positioning the head of the buffer fixing bolt together with the buffer spring and the buffering nut at each of the corresponding switchboards.

The auxiliary buffer spring includes a first auxiliary buffer spring provided between the head of the buffer fixing bolt and the corresponding switchgear to elastically position the head of the buffer fixing bolt and a second auxiliary buffer spring provided between the buffer nut and the corresponding switchboard, And a second auxiliary buffer spring for positively positioning the nut.

The cushioning lid is made of any one of a flame retardant material and a non-combustible material, and a plurality of corrugations are formed in one of the switchboards and the other of the switchboards.

Further, the buffer cover may further include an opening / closing unit for opening / closing a space between the corresponding switchboards provided with the buffer.

As described above, according to the earthquake-proof apparatus of the present invention, it is possible to mitigate the shock transmitted from the outside, to relieve the impact to other adjacent switchboards and to transmit the earthquake, And is an effective invention.

FIG. 1 is a view showing a seismic isolation system for a switchboard according to the present invention,
2 is a view showing an electric fixing part according to the present invention,
3 is a view showing a buffer according to the present invention,
4 is a view showing a cushioning rotary part of a cushioning part according to the present invention,
5 is a view showing a state in which an auxiliary buffer spring is further provided in the buffer part according to the present invention,
6 is a view showing a cushioning lid according to the present invention.

Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the accompanying drawings. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The following detailed description, together with the accompanying drawings, is intended to illustrate exemplary embodiments of the invention and is not intended to represent the only embodiments in which the invention may be practiced. The following detailed description includes specific details in order to provide a thorough understanding of the present invention. However, those skilled in the art will appreciate that the present invention may be practiced without these specific details.

In some instances, well-known structures and devices may be omitted or may be shown in block diagram form, centering on the core functionality of each structure and device, to avoid obscuring the concepts of the present invention.

Throughout the specification, when an element is referred to as " comprising " or " including ", it is meant that the element does not exclude other elements, do. Further, the term " part " described in the specification means a unit for processing at least one function or operation. Also, the terms " a or ", " one ", " the ", and the like are synonyms in the context of describing the invention (particularly in the context of the following claims) May be used in a sense including both singular and plural, unless the context clearly dictates otherwise.

In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. The following terms are defined in consideration of the functions in the embodiments of the present invention, which may vary depending on the intention of the user, the intention or the custom of the operator. Therefore, the definition should be based on the contents throughout this specification.

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

2 is a view showing an electric fixing unit according to the present invention. FIG. 3 is a view showing a buffer according to the present invention, and FIG. 4 is a cross- 5 is a view showing a state in which an auxiliary buffer spring is further provided in the buffer part according to the present invention, and FIG. 6 is a view showing a buffer cover according to the present invention FIG.

As shown in the figure, a seismic retrofit device 10 includes an electric fixing part 100, a flexible bus bar 200, a buffer part 300, and a buffer cover 400.

The electric fixing part 100 is provided to be electrically connected to the high-voltage equipment 30 provided in each of the plurality of arranged power transmission / distribution panels 20 and 20 '.

The flexible bus bar 200 has flexibility to electrically connect the electric fixing parts 100 provided in the mutually adjacent electric power transmission and reception units 20 and 20 'to mitigate shocks transmitted from the outside.

The buffering part 300 has a buffer spring 350 and is provided between the two adjacent switchboards 20 and 20 'so as to mitigate the shock transmitted to the buffering part 300 to maintain the interval between the adjacent two switchboards, 200 in order to mitigate the impact transmitted to them.

The cushioning cover 400 has flexibility and prevents foreign matter from flowing into the corresponding switchboards 20 and 20 'provided with the cushioning unit 300 to prevent breakage of the flexible busbar 200 Respectively.

The operation of the vibration-damping device 10 for a power-transmission and transmission system can be mitigated by an external impact transmitted by the flexible busbar 200 and the buffering part 300, And it is possible to maintain the electrically connected state.

The buffer cover 400 protects between the two switchboards provided with the buffer 300 to prevent the foreign object or the moving object from colliding with the buffer 300, Maintenance and increase.

As shown in FIG. 2, the electric fixing unit 100 includes a fixing plate 110, a fixing insulator 120, and a first fixing member 130.

The fixed plate portion 110 is electrically connected to the high-pressure material provided inside the corresponding switchgear.

The first fixing member 130 is provided to fix the fixing plate portion 110 to the fixing insulator 120. The first fixing member 130 is fixed to the fixing insulator 120. [

The fixing plate 110 includes a first fixing plate 112 and a second fixing plate 114.

The first fixing plate 112 is formed to be flat with a predetermined thickness and has a predetermined hardness and is fixed to the fixing insulator 120.

The second fixing plate 114 is made of a flexible material and has one end connected to the high-voltage member 30 and the other end connected to the first fixing plate 112.

In other words, the first fixing plate 112 is formed of a rigid material, and the second fixing plate 114 is formed of a flexible material to alleviate impact transmitted.

The electric fixing part (100) further includes a fixed elastic part (140).

The fixed elastic portion 140 resiliently fixes the fixing insulator 120 to the corresponding switchgear 20, 20 '.

The stationary elastic portion 140 has a spring and is capable of relieving the impact transmitted as the spring is positioned between the stationary insulator 120 and the corresponding switchboard 20 or 20 ' have.

The flexible bus bar 200 includes a connection plate 210, a connection cable 220, and a second fixing member 230.

The connecting plate 210 is provided to be positioned at each of the fixed plate portions 110 provided in the adjacent two switch panels.

The connection cable 220 is electrically connected to the two connection plates 210, and is formed of a flexible material.

The second fixing member 230 is provided to fix each connection plate 210 to the fixed plate portion 110.

3, the buffering part 300 includes a first buffering installation hole 310, a second buffering installation hole 320, a first buffering block 330, a second buffering block 340, A spring 350, a buffer fixing bolt 360, and a buffer nut 370.

The first buffer mounting hole 310 is formed in one of two adjacent switchboards.

And the second buffer mounting hole 320 is formed on the other of the two adjacent switchboards.

The first buffer block 330 has a first buffer through hole 332 at the center so as to correspond to the first buffer installation hole 310 and is located on the outer surface of any one of the switchboards.

The second buffer block 340 has a second buffer through hole 342 at the center so as to correspond to the second buffer installation hole 320 and is located on the outer surface of the other one of the switchboards.

A buffer spring 350 is provided between the first buffer block 330 and the second buffer block 340.

The cushioning fixing bolt 360 has a head 362 and includes a first cushioning mounting hole 310 and a first cushioning block 330, a cushioning spring 350, a second cushioning block 340, , And is inserted through the second buffer mounting hole (320).

The buffering nut 370 is fastened to the protruding end through the second buffer mounting hole 320 to elastically connect the two switchboards to each other.

Here, the first buffer block 330 and the second buffer block 340 have elasticity, and mitigate the impact corresponding to the displacement of each of the switchboards and the deformation of the buffer spring 350.

The buffer portion 300 further includes a buffer rotation portion 380 as shown in FIG.

The cushioning rotary part 380 rotatably supports the cushioning fixing bolt 360 and the cushioning nut 370 in the corresponding cushioning installation holes 310 and 320 in response to the displacement of the power transmission / .

The buffer rotation portion 380 includes a first rotation hemisphere 381 and a second rotation hemisphere 382.

The first rotating hemisphere 381 is formed in a hemispherical shape in the head 362 of the cushioning fixing bolt 360 so that the cushioning fixing bolt 360 is rotatable in the first cushioning mounting hole 310.

The second rotating hemisphere 382 is formed in the hemispherical shape of the cushioning nut 370 so that the cushioning nut 370 is rotatable in the second cushioning mounting hole 320.

Since the cushioning fixing bolt 360 and the cushioning nut 370 are easily rotated by the first rotation hemisphere 381 and the second rotation hemisphere 382, it is possible to easily cope with the shock transmitted from the outside .

The buffer rotation part 380 further includes a first rotation seat part 383 and a second rotation seat part 384.

The first rotary seating part 383 is recessed around the first buffer mounting hole 310 to correspond to the first rotation hemisphere 381.

The second rotary seating portion 384 is recessed around the second buffer mounting hole 320 so as to correspond to the second rotation hemisphere 382.

The first rotary seating part 383 and the second rotary seating part 384 are respectively formed around the first buffer mounting hole 310 and the second buffer mounting hole 320 and are formed on the corresponding switchboard 20 This is natural.

The buffer rotating part 380 further includes a first rotating taping part 385 and a second rotating tapping part 386.

The first rotating taping portion 385 is formed on the inner surface of the first cushioning hole 332 of the first cushioning block 330 and is formed in the direction of the cushioning nut 370 As shown in Fig.

The second rotary taping portion 386 is formed on the inner surface of the second cushioning hole 340 of the second cushion block 340 and has a cushioning fixing bolt 360 ) Direction.

5, the buffer portion 300 further includes an auxiliary buffer spring 390. As shown in FIG.

This auxiliary buffer spring 390 is provided to resiliently position the head 362 and the buffering nut 370 of the buffer fixing bolt 360 with the buffer spring 350 in each corresponding switchboard 20.

This auxiliary buffer spring 390 includes a first auxiliary buffer spring 392 and a second auxiliary buffer spring 394.

The first auxiliary buffer spring 392 is provided between the head 362 of the buffer fixing bolt 360 and the corresponding switchboard 20 to resiliently position the head 362 of the buffer fixing bolt 360 .

And a second auxiliary buffer spring 394 is provided between the buffering nut 370 and the corresponding switchboard 20 to resiliently position the buffering nut 370.

Also, as shown in FIG. 6, the cushioning cover 400 is made of either a fire-retardant material or a non-combustible material and is provided between two adjacent switchboards.

Thus, the buffer part 300 can be protected from external impacts.

The cushioning cover 400 has elasticity, is formed into a predetermined shape, and is formed of a plurality of wrinkles.

A plurality of the corrugations are formed in the direction of one of the switchboards and the other of the switchboards.

The buffer cover 400 further includes an opening / closing part 420.

The opening and closing part 420 is provided to open and close the space between the corresponding switchboards provided with the buffer part 300.

Accordingly, it is possible to easily manage the plurality of buffer units 300 and the flexible bus bar 200.

10: Seismic isolation device for switchgear 100: Electric fixture
200: Flexible bus bar 300: Buffer
310: first buffer installation hole 320: second buffer installation hole
330: first buffer block 340: second buffer block
350: buffer spring 360: buffer fixing bolt
370: buffer nut 400: buffer cover

Claims (8)

An electric fixing unit provided for respectively electrically connecting the high-voltage equipment provided in each of the plurality of arrangement and control panels;
A flexible bus bar having flexibility so as to electrically connect the electric fixtures provided in mutually adjacent electric power transmission and reception sections and mitigate an impact transmitted from the outside;
A buffer for buffering a shock transmitted to the flexible booth by maintaining a gap between two adjacent switchbars by mitigating an impact transmitted by a plurality of buffer springs disposed between adjacent two switchbars; And
And a cushioning cover having flexibility to prevent breakage of the flexible bus bar as it prevents foreign matter from flowing over the corresponding switchgear provided with the cushioning part,
The electric fixture includes:
A stationary plate portion electrically connected to the high-pressure equipment provided in the corresponding switchgear;
A fixing bracket fixed to the power transmission / distribution panel, the fixing bracket being made of a material that does not allow electricity to flow; And
And a first fixing member for fixing the fixing plate portion to the fixing insulator,
The flexible busbar
A connecting plate for being positioned at each of the stationary plate portions provided in adjacent two switchgear blocks;
A connection cable electrically connected to the two connection plates, the connection cable being formed of a flexible material; And
And a second fixing member for fixing each of the connection plates to the fixing plate portion,
The buffering portion
A first buffer mounting hole formed in any one of the adjacent two switchboards;
A second buffer mounting hole formed in the other of the two adjacent switchgear blocks;
A first buffer block having a first buffer through-hole at the center so as to correspond to the first buffer installation hole, the first buffer block being located on the outer surface of any one of the switchboards;
A second buffer block having a second buffer through hole at the center so as to correspond to the second buffer installation hole and located on an outer surface of the other one of the switchboards;
A buffer spring provided between the first buffer block and the second buffer block;
A cushioning fixing bolt installed in the first cushioning installation hole and the first cushioning block, the cushioning spring, the second cushioning block, and the second cushioning installation hole arranged in a straight line and having a head; And
And a cushioning nut fastened to an end protruding through the second cushioning hole to elastically connect the two switchboards to each other,
And a buffer rotating part for rotatably mounting the buffer fixing bolt and the buffering nut in the buffering mounting hole in response to a displacement transmitted from the outside due to the displacement of the switchboard. delete delete delete delete The apparatus according to claim 1,
A first rotating hemisphere formed on the head of the cushioning fixing bolt in a hemispherical shape so that a cushioning fixing bolt is rotatable in the first cushioning mounting hole; And
And a second rotating hemisphere formed on the buffering nut in a hemispherical shape so that a buffering nut is rotatably provided in the second buffering mounting hole. The method according to claim 1,
And an auxiliary buffer spring for resiliently positioning the buffering bolt head and the buffering nut together with the buffering spring at respective corresponding switchboards. The cushion cover according to claim 1,
Wherein a plurality of wrinkles are formed in one of the switchboards and the other switchboards by being made of one of a flame retardant material and a non-flammable material.

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