Earthquake-resistant unit and transformer equipped therewith

Abstract

The present invention relates to a seismic unit and a transformer equipped with the same, which can prevent safety accidents by enabling response to external forces in various directions when an earthquake or shock occurs, by allowing one side of each support member to reciprocate while in contact with a cylindrical support member and a ball support groove. The invention is characterized by comprising: an upper plate having a cylindrical support member protruding to a predetermined height in the center of the rear surface; a lower plate having a hemispherical ball support groove in the center corresponding to the upper plate and into which the cylindrical support member is inserted; a plurality of support members configured at a certain interval on the edge of the upper plate; and a support member insertion hole configured on the edge of the lower plate, which reciprocates in response to the direction of vibration when an earthquake or shock occurs, with one side of each support member inserted while in contact with the cylindrical support member and the ball support groove.

Description

Technology Field

[0001] The present invention relates to a seismic unit and a transformer equipped with the same, and in particular to a seismic unit and a transformer equipped with the same that can prevent safety accidents in advance by enabling response to external forces in various directions when an earthquake or shock occurs. Background Technology

[0002] Generally, a transformer refers to a device that changes current or voltage using the phenomenon of electromagnetic induction. Transformers can be classified into oil-filled transformers, dry-type transformers, and molded transformers depending on their insulation method.

[0003] Among these, an oil-immersed transformer refers to a transformer that enhances insulation performance and cools and extinguishes the arc by being submerged in insulating oil. To this end, an oil-immersed transformer requires an enclosure capable of containing insulating oil, and its coils and iron core are located inside the enclosure.

[0004] Meanwhile, the enclosure of the oil-filled transformer is formed so that its internal space is sealed to prevent leakage and degradation of the insulating oil.

[0005] In addition, such incoming transformers are configured such that the panels are assembled by bolting them to the floor angles in a manner where anchor bolts are driven into the concrete floor inside or outside the building, a floor angle is assembled thereto, a column angle is assembled to the floor angle, and an outer casing is assembled to the assembled column angle. There is no separate seismic design.

[0006] However, in conventional inflow transformers, vibrations caused by floor vibrations, mechanical vibrations due to electromagnetic forces resulting from high-power current, or earthquakes are transmitted directly to the panel itself, often causing damage to various equipment mounted inside due to earthquakes.

[0007] Therefore, as structural collapse accidents and resulting economic losses are increasing due to recent natural disasters such as earthquakes, typhoons, and tsunamis, ensuring the stability of building structures is being treated as a critical issue. In particular, seismic design standards are being strengthened for critical structures such as power plants and bridges, as well as large buildings like high-rise buildings and transformers installed throughout various structures, as their failure can lead to massive casualties, economic losses, and the inability of various equipment due to power outages.

[0008] These seismic units are effective in preventing seismic waves from being directly transmitted to the facility by separating the facility from the ground through the use of elastic or rotating members that support the facility between the ground and the facility; however, even when no earthquake occurs, continuous loads are applied to the elastic or rotating members, causing fatigue damage and resulting in a problem where the unit cannot perform its seismic isolation function smoothly in the event of an earthquake. The problem to be solved

[0009] The present invention was devised to solve the above-mentioned problems and aims to provide a seismic unit and a transformer equipped with the same, which can prevent safety accidents in advance by enabling response to external forces in various directions when an earthquake or shock occurs, through the reciprocating motion of one side of each support member while the cylindrical support member and the ball support groove are in contact. means of solving the problem

[0010] The seismic unit according to the present invention for achieving the above-mentioned purpose is characterized by having an upper plate having a cylindrical support protruding to a predetermined height in the center of the rear surface, a lower plate having a hemispherical ball support groove in the center corresponding to the upper plate and into which the cylindrical support is inserted, a plurality of support members formed at regular intervals on the edge of the upper plate, and a support member insertion hole formed on the edge of the lower plate that reciprocates with one side of each support member inserted while the cylindrical support and the ball support groove are in contact in response to the direction of vibration when an earthquake or shock occurs.

[0011] In addition, a transformer equipped with a seismic unit according to the present invention comprises windings arranged at regular intervals around an iron core, upper and lower frames that support the upper and lower ends of the iron core and windings, respectively, and a seismic unit installed on the back surface of the lower frame. The seismic unit is characterized by having an upper plate having a cylindrical support protruding at a predetermined height in the center of the back surface, a lower plate having a hemispherical ball support groove in the center corresponding to the upper plate and into which the cylindrical support is inserted, a plurality of support members arranged at regular intervals on the edge of the upper plate, and a support member insertion hole arranged on the edge of the lower plate that reciprocates with one side of each support member inserted while the cylindrical support and the ball support groove are in contact in response to the direction of vibration when an earthquake or shock occurs. Effects of the invention

[0012] The seismic unit and the transformer equipped with the same according to an embodiment of the present invention have the following effects.

[0013] In other words, when the cylindrical support and the ball support groove are in contact, one side of each support member reciprocates, thereby enabling response to external forces in various directions in the event of an earthquake or impact, thus preventing safety accidents in advance. Brief explanation of the drawing

[0014] FIG. 1 is a perspective view showing an earthquake-resistant unit according to the present invention. FIG. 2 is a perspective view showing the upper plate of the seismic unit of FIG. 1. FIG. 3 is a perspective view showing the lower plate of the seismic unit of FIG. 1. FIG. 4 is a schematic perspective view of a transformer equipped with a seismic isolation unit according to the present invention. Specific details for implementing the invention

[0015] The advantages and features of the present invention and the methods for achieving them will become clear by referring to the embodiments described below in detail together with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but can be implemented in various different forms. These embodiments are provided merely to ensure that the disclosure of the present invention is complete and to fully inform those skilled in the art of the scope of the invention, and the present invention is defined only by the scope of the claims. Furthermore, throughout the entire specification, the same reference numerals refer to the same components.

[0016] FIG. 1 is a perspective view showing an earthquake-resistant unit according to the present invention, FIG. 2 is a perspective view showing an upper plate of the earthquake-resistant unit of FIG. 1, and FIG. 3 is a perspective view showing a lower plate of the earthquake-resistant unit of FIG. 1.

[0017] As shown in FIGS. 1 to 3, the seismic unit according to the present invention comprises an upper plate (100) having a cylindrical support member (110) protruding to a predetermined height in the center of the rear surface, a lower plate (200) corresponding to the upper plate (100) and having a hemispherical ball support groove (210) in the center into which the cylindrical support member (110) is inserted, a plurality of support members (300) configured at regular intervals in each corner portion of the upper plate (100), and a support member insertion hole (220) configured at the edge of the lower plate (200) that reciprocates in a state in which at least one side of each support member (300) is inserted while the cylindrical support member (110) and the ball support groove (210) are in contact with each other in response to the vibration direction when an earthquake or shock occurs.

[0018] Here, the upper plate (100) and the lower plate (200) may be formed in the shape of a plate using a metal material with excellent durability and strength, and the lower plate (200) may be spaced apart from the lower part of the upper plate (100) and supported on the floor.

[0019] When the cylindrical support member (110) and the ball support groove (210) are in contact, they move in the X-axis, Y-axis, and Z-axis directions when an earthquake or impact occurs. At this time, the cylindrical support member (110) and the ball support groove (210) are in a state of having a certain gap while corresponding to each other, and come into contact with each other according to the influence of external force during an earthquake or external impact.

[0020] Here, the support members (300) are formed at the same height as they flow inward from each corner portion of the back of the upper plate (110). That is, the support members (300) consist of a total of four, one at each corner portion of the upper plate (100).

[0021] Additionally, the cylindrical support member (110) and the upper plate (100) are formed as a single unit, and the support member insertion hole (220) has a hole deeper than the length of the support member (300). That is, the cylindrical support member (110) is formed of a metal material with excellent durability and strength, just like the upper plate (100).

[0022] For example, the metal material may be formed of high-carbon chrome steel. The cylindrical support (110) is formed as a sphere of a certain diameter, and the ball support hole (210) formed in the lower plate (200) also has a spherical hole formed in the same shape as the cylindrical support (110).

[0023] Therefore, when an earthquake or external shock occurs, the cylindrical support member (110) has a force to roll from the edge of the ball support hole (210) toward the center, and when the upper plate (100) and lower plate (200) move horizontally and the cylindrical support member (110) moves out of the ball support hole (210), the cylindrical support member (110) tries to roll toward the center of the ball support hole (210), so at least one of the four support members (300) goes deeper into the support member insertion hole (220) than the other support members, thereby leveling up and easily returning to its original position.

[0024] Meanwhile, with oil or air introduced into the interior of the support member insertion hole (220), one end of each support member (300) is provided with a fitting member (310) having a larger diameter than other parts, and a plurality of ventilation holes (320) are formed around the fitting member (310). At this time, the ventilation holes (320) are holes that regulate the amount of oil or air moving.

[0025] That is, the ventilation hole (320) is filled with oil, and when the support member (300) is inserted into the support member insertion hole (220), a constant vacuum pressure is generated in the same way as a syringe, thereby protecting the device from earthquakes through cushioning.

[0026] The other end of each of the above support members (300) is configured to be detachably attached to the edge of the upper plate (100), and the other end of each of the above support members is fixed by screw coupling to the edge of the upper plate (100).

[0027] A fastening groove having a predetermined depth is provided inside the edge of the upper plate (100), and a screw thread is formed on the side of the fastening groove.

[0028] Meanwhile, the support member (300) coupled to the upper plate (100) may be fixed by being forcibly fitted into a fastening groove formed in the upper plate (100).

[0029] The upper plate (100) and the lower plate (200) are formed in the shape of a square frame, the upper plate (100) is attached and fixed to the lower part of a device requiring seismic protection, and the lower plate (200) is placed on the floor.

[0030] FIG. 4 is a schematic perspective view of a transformer equipped with a seismic resistance unit according to the present invention.

[0031] As shown in FIG. 4, a transformer equipped with a seismic unit according to the present invention comprises windings (3000) arranged at regular intervals around an iron core (2000), upper and lower frames (4000, 5000) that support the upper and lower ends of the iron core (2000) and the windings (3000), respectively, and a seismic unit (10000) installed on the back surface of the lower frame (5000).

[0032] Here, a base (6000) is provided on the back surface of the lower frame (5000) at a constant interval and rests on the ground. At this time, the seismic unit (1000) is attached to the back surface of the lower frame (5000) between the bases (6000).

[0033] Meanwhile, the transformer described in the embodiment of the present invention is any one of an oil-filled transformer, a dry-type transformer, and a molded transformer.

[0034] In addition, the above seismic unit (1000) can be used in an enclosure or solar power structure equipped with power equipment such as the above transformer, including the above transformer.

[0035] As shown in FIGS. 1 to 3, the above seismic unit (1000) comprises an upper plate (100) having a cylindrical support member (110) protruding to a predetermined height in the center of the rear surface, a lower plate (200) corresponding to the upper plate (100) and having a hemispherical ball support groove (210) in the center into which the cylindrical support member (110) is inserted, a plurality of support members (300) configured at regular intervals in each corner portion of the upper plate (100), and a support member insertion hole (220) configured at the edge of the lower plate (200) that reciprocates in a state in which at least one side of each support member (300) is inserted while the cylindrical support member (110) and the ball support groove (210) are in contact with each other in response to the vibration direction when an earthquake or shock occurs.

[0036] At this time, the upper plate (100) is fixed to the lower frame (5000), and the lower plate (200) comes into contact with the ground.

[0037] The above cylindrical support member (110) and ball support groove (210) are configured in a circular shape and each has a cushioning force, so they are connected in multiple directions (6 axes: ±X-axis, ±Y-axis, ±Z-axis) to vibrations or shocks acting in the vertical and horizontal directions as well as shaking or twisting directions. When the ground shakes or the facility shakes due to an earthquake or a vibrating body within the facility, the cylindrical support member (110), ball support groove (210), and support member (300) configured between the upper plate (100) and the lower plate (200) cushion the vibrations generated from the vibrating body within the facility or the earthquake to protect the transformer.

[0038] Meanwhile, although not shown in the drawings, a seismic detection sensor capable of external communication is attached to the lower frame (5000) of the transformer according to the seismic unit and the transformer equipped with the same to detect seismic activity and notify the outside that shaking has occurred in the transformer.

[0039] That is, the above-mentioned seismic detection sensor includes a communication module, and when a shaking signal is generated by shaking, it can send the shaking signal to a Smart View or an external terminal via wired or wireless communication through the communication module.

[0040] At this time, SmartView may be a device integrally attached to the outer side of the enclosure of a transformer, distribution board, solar power junction box, and motor control board, which not only displays a warning visually but also generates an audible alarm so that an external worker can be notified when an abnormality such as seismic activity occurs in the enclosure, and the external terminal may be the manager's mobile terminal or the manager's management terminal.

[0041] The above seismic detection sensor may include a gyroscope or an accelerometer, and either one may be installed on the lower frame (5000), or both may be installed on the lower frame (5000) separately or together.

[0042] And, when the lower frame (5000) shakes, the seismic detection sensor detects the shaking and generates a detected shaking signal, and the shaking signal is communicated externally through a communication module so that measures can be taken in response to the shaking of the transformer.

[0043] The seismic unit having a multi-directional seismic function according to the present invention, which is constructed in this way, can prevent damage to the facility by cushioning the shock between the ground and the facility when the ground shakes or the facility shakes due to an earthquake or an external vibrator of the facility.

[0044] In addition, by buffering the vibrations of the facility itself that are transmitted to the outside, it is possible to prevent the transmission of such vibrations to other facilities, thereby preventing damage to other facilities.

[0045] In addition, by securing the facility when its vertical movement exceeds the limit line, the movement of facilities containing important equipment can be minimized, thereby safely protecting the facility.

[0046] Accordingly, the seismic unit having a multi-directional seismic function according to the present invention can prevent damage to the facility from earthquakes or internal / external vibrating bodies by minimizing vibrations generated from vibrations within the facility or from vibrations occurring in multiple directions during an earthquake, as well as minimizing the movement of the facility.

[0047] The present invention has been described with reference to the embodiments illustrated in the drawings, but this is merely illustrative, and those skilled in the art will understand that various modifications and equivalent alternative embodiments are possible therefrom. Accordingly, the true technical scope of protection of the present invention should be determined by the technical spirit of the appended claims. Explanation of the symbols

[0048] 100: Upper plate 110: Cylindrical support 200: Lower plate 210: Ball support groove 220 : Support member insertion hole 300 : Support member

Claims

Claim 1 An earthquake-resistant unit characterized by comprising: an upper plate having a cylindrical support protruding to a predetermined height in the center of the rear surface; a lower plate corresponding to the upper plate and having a hemispherical ball support groove in the center into which the cylindrical support is inserted; a plurality of support members formed at regular intervals on the edge of the upper plate; and a support member insertion hole formed on the edge of the lower plate that reciprocates with one side of each support member inserted while the cylindrical support and the ball support groove are in contact with each other in response to the direction of vibration when an earthquake or shock occurs, wherein one end of each support member is provided with a fitting member having a larger diameter than other parts, and a plurality of ventilation holes formed around the fitting member. Claim 2 A seismic unit according to claim 1, characterized in that the cylindrical support and the upper plate are integrally formed. Claim 3 A seismic unit according to claim 1, characterized in that the insertion hole of the support member has a hole deeper than the length of the support member. Claim 4 delete Claim 5 A seismic unit according to claim 1, characterized in that the ventilation hole is a hole that regulates the amount of oil moving. Claim 6 A seismic unit according to claim 1, characterized in that the other end of each support member is configured to be detachably attached to the edge of the upper plate. Claim 7 A seismic unit according to claim 6, characterized in that the other end of each support member is fixed by screw coupling to the edge of the upper plate. Claim 8 A seismic unit according to claim 7, characterized in that it has a fastening groove having a predetermined depth inside the edge of the upper plate, and a screw thread is formed on the side of the fastening groove. Claim 9 A transformer having a seismic unit comprising windings arranged at regular intervals around an iron core, upper and lower frames supporting the upper and lower ends of the iron core and windings, respectively, and a seismic unit installed on the back surface of the lower frame, wherein the seismic unit comprises an upper plate having a cylindrical support protruding at a predetermined height in the center of the back surface, a lower plate corresponding to the upper plate and having a hemispherical ball support groove in the center into which the cylindrical support is inserted, a plurality of support members configured at regular intervals on the edge of the upper plate, and a support member insertion hole configured on the edge of the lower plate in which one side of each support member reciprocates in a state where the cylindrical support and the ball support groove are in contact with each other in response to the direction of vibration when an earthquake or shock occurs, and one end of each support member is provided with a fitting member having a larger diameter than other parts, and a plurality of ventilation holes are formed around the fitting member. Claim 10 A transformer equipped with a seismic unit according to claim 9, wherein the transformer is one of an oil-filled transformer, a dry-type transformer, and a molded transformer.

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