KR101729118B1 - Earthquake-resistant power distribution system with high durability based on optimum design linked load distribution characteristic, method for reinforcing durability of earthquake-resistant power distribution system based on load distribution analysis - Google Patents

Abstract

The present invention provides a load distribution characteristic linked-optimum design based-earthquake resistant power distribution board with high durability and a method for increasing durability of a load distribution analysis based-earthquake resistant power distribution board. According to the present invention, the load distribution characteristic linked-optimum design based-earthquake resistant power distribution board with high durability and the method for increasing durability of a load distribution analysis based-earthquake resistant power distribution board calculate the portion most vulnerable to vibration by analyzing vibration characteristics/stress change characteristics/deformation rate changing characteristics through earthquake generation effect simulation, to which load distribution information and center of weight-information on the power distribution board is applied, and provide a structure allowing a complex vibration isolation device, of which an installation position and a characteristic value are set according to the analyzed vibration characteristics/stress changing characteristics/deformation rate changing characteristics, to be installed on a lower base of the power distribution board or the portion vulnerable to vibration; thereby remarkably increasing durability of the power distribution board and maintaining high structural stability while minimizing deformation of the power distribution board or damage to the power distribution board even in a situation where earthquake or vibration due to an external force occurs.

Description

{Earthquake-resistant power distribution system with high durability based on optimal design linked load distribution characteristic, method for reinforcing durability of earthquake-resistant power distribution system based on load distribution analysis < RTI ID = 0.0 >

The present invention relates to a damping reinforcement method for a seismic resistant damping system based on load distribution characteristic interlocking optimal durability and durability of a durability switchboard and load distribution analysis and more specifically to a simulation of impact of an earthquake by applying load distribution information and center of gravity information of a switchboard The combined vibration isolator is installed in the lower base of the switchgear in accordance with the analyzed vibration characteristics, stress variation characteristics, and strain deformation characteristics. It is possible to increase the durability of the switchgear by providing a structure that is installed in a vulnerable area and to minimize the deformation or damage of the switchboard even in the event of vibration due to earthquake or external force. Optimum design base seismic And it relates to a switchgear durability and load distribution analysis based seismic Switchgear durability reinforcing method.

In recent years, most of the buildings, structures, and various equipment and equipments installed in the buildings or outdoors should have seismic performance. For this reason, various earthquake-resistant technologies have been applied to buildings, structures, and various equipment (equipment and facilities) to have seismic performance.

In the case of the switchboard, if installed directly on the ground or the floor of the building, when external vibrations or shocks due to earthquake fluctuations occur, the internal electric power equipment of the switchboard and the wiring connecting these electric power equipment and the electric parts such as protection relays are damaged, Or is likely to break, resulting in interruption of the power supply and fire due to the resulting failure. Accordingly, measures for preventing breakage and malfunction due to twisting or tilting of the power and control panel due to vibrations or shocks caused by crustal fluctuations such as earthquakes are required. As a technique related to the anti-seismic switchboard, Korean Registered Patent Publication No. 10-1551195 entitled " Seismic Monitoring & Monitoring System using Displacement Sensor ", Register No. 10-1469165 " No. 10-1347891 "a seismic isolation device having an isolation function ", and a registration # 10-1325640" Smart earthquake resistant switchboard "

However, in the conventional seismic switchboard, various seismic equipments are installed in a general vibration-weak area, which has limitations in increasing the durability and structural stability of the transmission / distribution system.

Korean Registered Patent Publication No. 10-1551195 "Seismic Monitoring and Diagnosis System of Switchboard Using Displacement Sensor" Korean Registered Patent Publication No. 10-1469165 "Seismic switchboard with seismic monitoring function and vibration absorption function" Korean Registered Patent Publication No. 10-1347891 entitled " Korean Registered Patent Publication No. 10-1325640 entitled "

Therefore, the present invention overcomes the limitations of the prior art and overcomes the limitations of the prior art, and provides a method of modeling the distribution system in a simulation program of a seismic reflection system effected by a seismic reflection system, Vibration characteristics, stress variation characteristics, and strain deformation characteristics are analyzed through simulations of the occurrence of earthquake caused by the earthquake, and the vibration-weak areas are calculated and the installation location and characteristics are set according to the analyzed vibration characteristics / stress variation characteristics / The durability of the transmission / reception system can be remarkably increased by installing the isolation device on the lower base of the switchgear or the vulnerable portion of the switchgear, and the structural stability can be maintained with minimal deformation or damage of the switchgear in the event of vibration due to earthquake or external force A new type of load bearing Characteristics is an object of the present invention to provide a linkage Optimization based seismic durable switchgear and load distribution analysis based seismic Switchgear durability reinforcing method.

According to an aspect of the present invention, there is provided an electric vehicle including: a main body (100) having a plurality of internal components (110) performing a water distribution function, A lower housing 210 installed at a setting site of the lower base 120 constituting the lower portion of the enclosure 130 of the main switch 100 and placed on the installation floor of the reinforcement target switchboard 100, An anti-vibration spring 230 disposed at a central portion between the lower housing 210 and the upper housing 220, and an anti-vibration spring 230 disposed at an edge portion between the lower housing 210 and the upper housing 220 The vibration damping pad 240 is inserted into the level adjusting bolt 250 protruding upward from the upper surface of the upper housing 220 and penetrated through the lower base 120 of the target installation floor 100, A level adjusting nut which is disposed on a bottom surface of the lower base 120 of the target switchboard 100 and adjusts the level of the lower base 120 of the reinforcement target switchboard 100 while moving up and down the level adjusting bolt 250 by a tightening operation, (260) The composite isolation device 200 includes a plurality of internal components 110. The composite isolation device 200 includes a plurality of internal components 110 and a plurality of internal components 110 And the load distribution characteristics of the switchgear main body 100 and the load distribution characteristics of the internal components 110 The load distribution of the power transmission and distribution main body 100 calculated from the installation position value and the load value at which the load distribution body 100 is disposed and the load distribution characteristic of the power transmission & The present invention provides a high-durability earthquake resistant durability switchgear based on an optimal design of load distribution characteristics.

The load distribution of the switchgear main body 100 calculated from the installation position value and the load value at which a plurality of internal components 110 are disposed in the seismic resistant high durability switchboard based on the load distribution characteristic interlocking optimal design according to the present invention, (Height), D (diameter), and K (mm) of the vibration isolating spring 230 are set to the vibration characteristics / stress variation characteristics / strain variation characteristics according to the load distribution characteristics of the anti- D (thickness), and E (elastic modulus) of the anti-vibration pad 240. The h (height), d (thickness)

In accordance with another aspect of the present invention, there is provided a method for detecting a load distribution of a reinforcement target switchboard, the method comprising: detecting a load distribution of a reinforcement target switchboard; (2) is simulated to analyze the vibration characteristics, stress variation characteristics, and strain variation characteristics of the switchboard due to the earthquake occurrence, and modeling of the reinforcement target switchboard 100 to which the load distribution information is applied is performed, A subsidence seismic influence simulation step in which a model (3) is formed, an earthquake characteristic value set in a simulation program (2) for a switchboard section is inputted and an influence of an earthquake occurrence on the vehicle model 3 is analyzed; The composite isolation device 200 in the reinforcement target switchboard 100 adjusts the vibration characteristics, the stress variation characteristics, and the strain variation characteristics of the switchboard shape model 3 corresponding to the input seismic characteristic values analyzed in the transmission / Setting a mounting position and a characteristic value; And a step of installing a composite isolation device for mounting a switchboard in which the compound isolation device 200 having the characteristic values set in the step of setting the compound isolation device for installing a switchboard is installed and the compound isolation device 200 is installed at a predetermined installation position The present invention provides a damping reinforcement method for a seismic resistant transmission system based on load distribution analysis.

In the load distribution analysis based seismic resistant damping system durability enhancement method according to the present invention, the step of detecting the load distribution distribution of the transmission system includes a step of detecting a matrix type load distribution detection base frame 4 arranged in an M × N matrix And the two-dimensional load distribution on the xy plane of the reinforcement target switchboard 100 can be detected while the target reinforcement panel 100 is mounted on the upper surface of the matrix-type load distribution detection base frame 4 . The load distribution and load distribution detection step may be performed such that a load value and an installation position value of each internal component 110 constituting the reinforcement target switchboard 100 are input to the three- ) Of the three-dimensional load distribution on the xyz space may be detected.

In the load distribution analysis-based seismic resistant damping system durability enhancement method according to the present invention, the center-of-gravity load information is detected from the load distribution information of the reinforcement target switchboard 100, and the step- The vibration-weak part of the transmission / reception system shape model 3 is calculated by inputting the seismic characteristic value set in the modeling of the reinforcement target distribution panel 100 applying the load distribution information and the gravity center information and the simulation program for the transmission / In the step of setting the compound isolation device for installing the switchboard, the corresponding portion of the reinforcement target switchboard 100 corresponding to the vibration-weakened portion of the switchboard shape model 3 may be set to the installation position of the composite isolation device 200.

In the method of reinforcing durability of a seismic resistant switchboard dynamically based on load distribution analysis according to the present invention, the step of setting the composite isolation device for installation of the switchboard and the step of installing the composite isolation device for installing the switchboard 100 includes the steps of: The composite isolation device 200 includes a lower housing 210 placed on the installation floor of the reinforcement target switchboard 100; An upper housing 220 disposed upwardly from the lower housing 210; A dustproof spring 230 disposed at a central portion between the lower housing 210 and the upper housing 220; A dustproof pad 240 disposed at an edge portion between the lower housing 210 and the upper housing 220; A level adjusting bolt 250 protruding upward from the upper surface of the upper housing 220 and passing through the lower base 120 of the reinforcement target switchboard 100; The upper and lower portions of the reinforcement target switchboard 100 are inserted into the level adjusting bolt 250 and disposed on the bottom surface of the lower base 120 of the reinforcement target switchboard 100, And a level adjusting nut 260 for adjusting the level of the light emitting diode 120.

According to the load distribution characteristic interlocking optimal design based on the present invention, according to the durability reinforcement method of the seismic resistant damping switchboard and the load distribution analysis based on the seismic resistant high durability switchboard, the vibration characteristics / Analysis of the stress variation / strain deformation characteristics shows that the weak vibration area is calculated and the composite isolation device with the installation location and characteristics set according to the analyzed vibration characteristics / stress variation characteristics / strain deformation characteristics is applied to the lower base of the switchgear, Therefore, the durability of the switchboard is remarkably increased, and the structural stability of the switchgear is minimized even when the vibration occurs due to an earthquake or an external force.

FIG. 1 is a conceptual diagram of a damping-type high durability switchboard based on the load distribution characteristic interlocking optimal design according to the present invention;
FIG. 2 is a view showing that a combined seismic isolation device of a seismic resistant high durability switchboard based on load distribution characteristic interlocking optimal design according to the present invention is installed on a lower base of a main body of a switchgear;
3 is a view showing a configuration of a combined isolation device of a seismic resistant high durability switchboard based on load distribution characteristic interlocking optimal design according to the present invention;
FIG. 4 is a sequence block diagram of a damping resistance-based damping reinforcement method based on load distribution analysis according to the present invention; FIG.
FIGS. 5 and 6 are diagrams showing a configuration of a base frame for detecting a matrix type load distribution used in a step of detecting a load distribution distribution of a seismic resistant damping system based on load distribution analysis according to the present invention;
FIGS. 7 and 8 are diagrams illustrating the calculation of the three-dimensional load distribution information on the xyz space through the step of detecting the load distribution distribution of the seismic resistant damping system based on the load distribution analysis according to the present invention;
9 is a conceptual diagram of a durability strengthening method for a seismic resistant damping floor based on load distribution analysis according to the present invention;
FIG. 10 is a diagram for illustrating a characteristic value of a composite isolation device used in a damping resistance-based damping reinforcement method based on load distribution analysis according to the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings 1 to 10. It should be noted that the drawings and detailed description are merely illustrative and not intended to limit the scope of the present invention to those skilled in the art from a viewpoint of a person skilled in the art from the viewpoints of a general construction and operation from a general switchboard, a seismic transmission and distribution board, a load distribution analysis, a gravity center analysis, The references are brief or omitted. In the drawings and specification, there are shown in the drawings and will not be described in detail, and only the technical features related to the present invention are shown or described only briefly. Respectively.

The load distribution characteristic interlocking optimized design based on the present invention is composed of a main body 100 of a switchgear and a composite isolation device 200 as shown in FIG. 1, so that the durability of a seismic resistant switchboard is increased will be.

The switchboard main body 100 is provided with a plurality of internal components 110 performing a water distribution function inside the enclosure 130.

The combined seismic isolation system 200 is installed at a set site of the lower base 120 constituting the lower portion of the enclosure 130 of the main body 100 of the switchgear as shown in FIG. 3, the composite isolation device 200 according to the present invention includes a lower housing 210 placed on the installation floor of the reinforcement target 100, an upper housing 220 disposed upwardly spaced apart from the lower housing 210, A dustproof spring 230 disposed at a central portion between the lower housing 210 and the upper housing 220, a dustproof pad 240 disposed at an edge portion between the lower housing 210 and the upper housing 220, A level adjusting bolt 250 protruded upward from an upper surface of the upper portion 220 and passing through the lower base 120 of the reinforcement target switchboard 100 and a bolt 250 inserted into the level adjusting bolt 250, And a level adjusting nut 260 disposed on the bottom surface of the reinforcement 120 and adjusting the level of the lower base 120 of the reinforcement target 100 while moving up and down the level adjusting bolt 250 by a tightening operation Done Loses.

Here, the composite isolation device 200 according to the embodiment of the present invention is configured such that the load distribution of the switchgear main body 100 calculated from the installation position value and the load value at which the plurality of internal components 110 are disposed, The load distribution characteristic is calculated from the vibration characteristic / stress variation characteristic / strain variation characteristic of the switchgear main body 100 according to the load distribution characteristic, and is calculated from the installation position value and the load value in which the plurality of internal components 110 are disposed The composite isolation device 200 having the characteristic values matched to the load distribution of the switchgear main body 100 and the vibration characteristics / stress variation characteristics / strain variation characteristics according to the load distribution characteristics of the switchgear main body 100, It is installed in a vulnerable area. The characteristic values of the compound isolating apparatus 200 are the h (height), D (diameter), K (spring constant) and h (height), d (Elastic modulus).

As shown in FIG. 4, the method for reinforcing durability of a seismic resistant switchboard based on load distribution analysis according to the present invention includes a step of detecting a load distribution distribution of a switchboard, a simulation step of a seismic reflection effect of a switchboard, a step of setting a composite isolation device for installing a switchboard, .

In the step of detecting the load distribution of the transmission / distribution board, the load distribution of the reinforcement target switchboard 100 is detected. In such a step of detecting the load distribution of the switchgear, as shown in FIGS. 5 and 6, a plurality of load cells 4a form an M × N matrix The load distribution of the reinforcement target switchboard 100 can be detected through the arranged matrix type load distribution detection base frame 4. [ That is, the target load distribution panel 100 is mounted on the upper surface of the matrix-type load distribution detection base frame 4, so that the two-dimensional load distribution on the xy plane of the reinforcement target switchboard 100 can be detected. The matrix type load distribution detection base frame 4 has a structure including a plurality of load cells 4a and a protection pad 4b formed on the plurality of load cells 4a and on which the reinforcement target switchboard 100 is placed Lt; / RTI >

7 and 8, the load value and the installation position value of each internal component 110 constituting the reinforcement target switchboard 100 are input to the three-dimensional load distribution analyzer 5 The three-dimensional load distribution on the xyz space of the reinforcement target switchboard 100 can be detected. The detection of the three-dimensional load distribution on the xyz space of the reinforcement target switchboard 100 enhances the analysis accuracy of the impact of the earthquake occurrence of the reinforcement target switchboard 100. Therefore, the xyz of the reinforcement target switchboard 100 It is preferable to detect the spatial three-dimensional load distribution.

Also, the step of detecting the load distribution of the transmission / reception section detects the center of gravity information from the load distribution information of the reinforcement target switchboard 100.

The earthquake-induced impact simulation program (2) simulates the earthquake occurrence effect of the reinforcement target switchboard (100) through the simulation program (2) of the earthquake- A stress variation characteristic, and a strain variation characteristic of the reinforcement target 100 for the object to be reinforced by the influence. As a simulation program for the seismic retrofit earthquake (2), a program in which the functions of the vibration analysis program, the stress analysis program, and the strain analysis program are combined can be used. In particular, 2) is a program capable of finite element analysis, so that analysis can be performed on each portion of the reinforcement target 100 in the three-dimensional space on the xyz space.

The simulation program (2) for the earthquake-induced seismic earthquake influences forms the control system model (3) by modeling the reinforcement target switchboard (100) to which the load distribution information detected at the step of detecting the switchboard load distribution is applied. Then, the set seismic characteristic value is inputted to the seismic effect simulation program (2) of the distribution system, and the influence of the earthquake occurrence on the transmission system shape model (3) is analyzed. Particularly, in the step of simulating the earthquake resistance effect according to the embodiment of the present invention, the modeling of the reinforcement target switchboard 100 applying the load distribution information and the gravity center information and the inputting of the seismic characteristic values set in the simulation program for the earthquake- So that the vibration-weakened portion of the transmission / reception board shape model 3 is calculated. Here, it is determined whether or not the vibration magnitude value, the stress variation value, and the strain variation value of each portion of the reinforcement target switchboard 100 exceeds the set safety reference value, and the vibration magnitude value, the stress variation value, Value can be calculated as a vibration-weak area.

The step of setting the composite isolation device for installation of the switchboard is performed in accordance with the vibration characteristics, stress variation characteristics, and strain variation characteristics of the transmission and reception system shape model (3) corresponding to the input seismic characteristic values analyzed in the simulation phase of the transmission / The installation position and the characteristic value of the compound seismic isolation device 200 are set. Herein, in the step of setting the compound isolation device for installing the switchboard, the corresponding part of the reinforcement target switchboard 100 corresponding to the vibration-weakened part of the switchboard shape model 3 may be set to the installation position of the composite isolation device 200. The composite isolation device 200 may be disposed between the lower base 120 of the reinforcement target switchboard 100 and the installation floor.

In the step of installing the composite isolation device for installing the switchboard, the composite isolation device 200 having the characteristic values set in the step of setting the composite isolation device for installation of the switchboard is provided, and the integrated isolation device 200 is installed at the installed position.

2, the step of setting the composite isolation device for installing a switchboard and the step of installing a composite isolation device for installing a switchboard according to an embodiment of the present invention is a composite The combined vibration isolator 200 is used as the vibration isolator 200. The vibration isolator 200 includes a lower housing 210, an upper housing 220, a vibration isolating spring 230, a vibration isolating pad 240, A bolt 250, and a level adjusting nut 260.

The lower housing 210 is placed on the installation floor of the reinforcement target switchboard 100 and the upper housing 220 is disposed upwardly spaced from the lower housing 210. The upper housing 220 is formed with the fixing jaws 221 protruding downward along the periphery so that the vibration damping pad 240 disposed between the lower housing 210 and the upper housing 220 can be prevented from being damaged So that the seismic isolation function can be stably and smoothly performed while being elastically deformed in the fixed position.

The vibration damping spring 230 is disposed at a central portion between the lower housing 210 and the upper housing 220. The h (height), D (diameter) and K (spring constant) of the vibration- D (diameter), K (spring constant), and the like are set in accordance with the vibration characteristics, the stress variation characteristics, and the strain variation characteristics of the reinforcement target switchboard 100, which are calculated in the simulation phase of the transmission / The vibration isolating springs 230 are selected and used in the combined vibration isolating device 200.

The vibration damping pad 240 is disposed at an edge portion between the lower housing 210 and the upper housing 220 and may be made of a urethane material, a natural rubber material, a synthetic rubber material, or the like. The anti-vibration pad 240 may have a hollow cylindrical shape. 12, the h (height), d (thickness), and E (elastic modulus) of the anti-vibration pad 240 are calculated from the vibration characteristics of the reinforcement target switchboard 100, the stress variation characteristics, The vibration damping pads 240 corresponding to the set h (height), d (thickness), and E (elastic modulus) are selected and used in the composite isolation device 200.

The level adjusting bolt 250 protrudes upward from the upper surface of the upper housing 220 and passes through the lower base 120 of the reinforcement target switchboard 100.

The level adjusting nut 260 is inserted into the level adjusting bolt 250 and is disposed on the bottom surface of the lower base 120 of the reinforcement target switchboard 100. The level adjusting nut 260 is mounted on the level adjusting bolt 250 by tightening, The level of the lower base 120 of the target switchboard 100 is adjusted.

The composite isolation device 200 may further include an auxiliary nut 270.

According to the embodiment of the present invention constructed as described above, the damping reinforcement method for the seismic resistant damping system based on the damping-type high durability switchboard and the load distribution analysis based on the interlocking optimal design based on the present invention is characterized in that the effect of the earthquake occurrence of the reinforcement- Vibration Characteristics / Stress Variation Characteristics / Strain Characteristics through Simulation of Switchboard Modeling in Influence Simulation Program (2), Input of Virtual Seismic Characteristic Value, Simulation of Seismic Effect by Applying Load Distribution Information / Center of Gravity Information of Reinforcement Target Switchboard (100) The composite vibration isolation device 200 in which the installation position and the characteristic value are set in accordance with the analyzed vibration characteristics / stress variation characteristics / strain deformation characteristics is analyzed by analyzing the deformation characteristics of the lower base of the reinforcement target switchboard 100 120) or vibration-weak areas, the durability of the reinforcement panel 100 It can be increased, as in the vibration generating conditions according to the earthquake or external force to minimize the deformation and damage of the reinforcement subject switchgear 100 becomes a high structural stability can be maintained.

As described above, the load distribution characteristic interlocking optimal design based on the seismic resistant high durability switchboard and the load distribution analysis based seismic resistant switchboard durability reinforcement method according to the embodiment of the present invention has been described with reference to the above description and drawings, It will be understood by those skilled in the art that various changes and modifications can be made without departing from the spirit of the present invention.

1: Computer device
2: Simulation program of earthquake effect of switchboard
3: Switchboard model
4: Matrix type load distribution base frame
4a: Load cell
4b: protection pad
5: 3D load distribution analyzer
100: Switchgear main body, reinforcement target distribution panel
110: Internal components
120: Lower base
130: Enclosure
200: Composite isolation device
210: Lower housing
220: upper housing
221: Fixed chin
230: anti-vibration spring
240: anti-vibration pad
250: Level adjusting bolt
260: Level adjusting nut
270: Auxiliary nut

Claims (7)

A switchgear main body (100) having a plurality of internal components (110) performing a water distribution function inside the enclosure (130);
The three-dimensional load distribution on the xyz space of the switchgear main body 100 detected by the three-dimensional load distribution analyzer 5 into which the load value and the installation position value of each internal component 110 constituting the switchgear main body 100 are inputted And body center information of the switchgear main body 100 detected from the three-dimensional load distribution information on the xyz space of the switchgear main body 100 are applied to the body of the switchgear main body 100, A composite vibration isolator 200 installed at a vibration-weak region calculated from a vibration characteristic, a stress fluctuation characteristic, and a strain fluctuation characteristic of the power-transmission-reception-unit main body 100 by the transmission /
In the composite isolation device 200,
A lower housing 210 installed at a setting site of a lower base 120 constituting a lower portion of an enclosure 130 of the switchgear main body 100 and placed on the installation floor of the reinforcement target switchboard 100;
An upper housing 220 spaced upward from the lower housing 210 and having a fixing jaw 221 protruded downward along the periphery;
(Height), D (diameter), and K (height) set in accordance with the vibration characteristics, the stress variation characteristics, and the strain variation characteristics of the main body 100 of the switchgeard, which are disposed at a central portion between the lower housing 210 and the upper housing 220, A spring constant having a spring constant);
Is formed in the shape of a hollow cylindrical body made of urethane and disposed at the edge portion between the lower housing 210 and the upper housing 220 and is set according to the vibration characteristics, the stress variation characteristics, and the strain variation characteristics of the switchgear main body 100 a vibration damping pad 240 having h (height), d (thickness), and E (elastic modulus);
A bolt 250 protruding upward from the upper surface of the upper housing 220 and passing through the lower base 120 of the reinforcement target switchboard 100;
The bolt 250 is inserted into the level adjusting bolt 250 and is disposed on the bottom surface of the lower base 120 of the reinforcement target switchboard 100. The bolt 250 is moved up and down by the tightening operation to move the lower base of the reinforcement target switchboard 100 120) level adjusting nut (260) and an auxiliary nut (270) for adjusting the level of the load distribution characteristic. delete Detecting a load distribution of a reinforcement target switchboard (100);
(2) is simulated to analyze the vibration characteristics, stress variation characteristics, and strain variation characteristics of the switchboard due to the earthquake occurrence, and modeling of the reinforcement target switchboard 100 to which the load distribution information is applied is performed, A subsidence seismic influence simulation step in which a model (3) is formed, an earthquake characteristic value set in a simulation program (2) for a switchboard section is inputted and an influence of an earthquake occurrence on the vehicle model 3 is analyzed;
The composite isolation device 200 in the reinforcement target switchboard 100 adjusts the vibration characteristics, the stress variation characteristics, and the strain variation characteristics of the switchboard shape model 3 corresponding to the input seismic characteristic values analyzed in the transmission / Setting a mounting position and a characteristic value;
And a step of installing a composite isolation device for mounting a switchboard in which the compound isolation device 200 having the characteristic values set in the step of setting the compound isolation device for installing a switchboard is installed and the compound isolation device 200 is installed at a predetermined installation position A method for reinforcing durability of seismic resistant power distribution system based on load distribution analysis. The method of claim 3,
The step of detecting the load distribution of the transmission /
It is possible to provide a matrix type load distribution detection base frame 4 having a plurality of load cells 4a arranged in an M × N matrix and to provide a load distribution detection base plate 4 on the upper surface of the matrix type load distribution detection base 100) is installed on the xy plane of the reinforcement target switchboard (100) to detect the two-dimensional load distribution on the xy plane of the reinforcement target switchboard (100). The method of claim 3,
The step of detecting the load distribution of the transmission /
The three-dimensional load distribution on the xyz space of the reinforcement target switchboard 100 while the load values and the installation position values of the internal components 110 constituting the reinforcement target switchboard 100 are input to the three-dimensional load distribution analyzer 5 Wherein the load distribution analysis is performed on the basis of the detected load. The method according to claim 4 or 5,
In the step of detecting the load distribution of the transmission / reception section, the gravity center information is detected from the load distribution information of the reinforcement target switchboard 100,
The simulation step of the switchboard seismic influence model is performed by modeling the reinforcement target switchboard 100 applying the load distribution information and the gravity center information and inputting the seismic characteristic values set in the switchboard seismic influence simulation program 2, The vibration-weak area is calculated,
In the step of setting the compound isolation device for installation of the switchboard, the corresponding site of the reinforcement target switchboard 100 corresponding to the vulnerable portion of the vibration of the vehicle model 3 is set to the installation position of the composite isolation device 200 Durability Augmentation Method for Seismic Resistant Switchboard Based on Distribution Analysis. The method of claim 3,
The combined seismic isolation device for the installation of the switchboard and the combined seismic isolation device for installation of the power and control panel may use the composite seismic isolation device 200 disposed between the lower base 120 and the installed floor of the reinforcement target switchboard 100,
In the composite isolation device 200,
A lower housing (210) placed on the installation floor of the reinforcement target switchboard (100);
An upper housing 220 disposed upwardly from the lower housing 210;
A dustproof spring 230 disposed at a central portion between the lower housing 210 and the upper housing 220;
A dustproof pad 240 disposed at an edge portion between the lower housing 210 and the upper housing 220;
A level adjusting bolt 250 protruding upward from the upper surface of the upper housing 220 and passing through the lower base 120 of the reinforcement target switchboard 100;
The upper and lower portions of the reinforcement target switchboard 100 are inserted into the level adjusting bolt 250 and disposed on the bottom surface of the lower base 120 of the reinforcement target switchboard 100, And a level adjusting nut (260) that adjusts the level of the damping member (120).

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