Electrical equipment room with ventilation device

Abstract

The present invention relates to a power equipment room having a ventilation device, and more particularly, to a power equipment room having a ventilation device applied to a metal distribution board having arc resistance. According to the power equipment room with the ventilation device, the ventilation device is arranged in the circuit breaker room, the ventilation device is opened in a normal state, so that the ventilation device can serve as a ventilation opening, and when an arc accident occurs, the ventilation device is closed, so that safety accidents can be prevented.

Description

Technical Field

[0001] The present invention relates to an electric power equipment room with a ventilation device, and more particularly to an electric power equipment room with a ventilation device applied to a metal switchboard with arc resistance. Background Art

[0002] Generally, a switchboard is a device used to monitor, control, and protect a power system. Various electrical devices such as circuit breakers and current transformers are housed and used to operate or control power plants and substations, as well as to operate electric motors.

[0003] In electrical equipment, a circuit breaker is usually housed and used inside a circuit breaker compartment of a distribution board, and the circuit breaker serves to cut off or connect the power system.

[0004] If the circuit breaker is in a poor operating state or the operator is unskilled, the contact of the terminal connected to the main busbar may instantly become poor. At this time, the arc generated between the contacts may destroy the insulation system between the high-voltage part and the ground, causing a grounding accident.

[0005] In this case, the circuit breaker cannot perform its original function, so the arc will continue to occur, eventually leading to an internal explosion.

[0006] To protect users from explosions inside circuit breakers, as described above, an arc-resistant switchboard has been developed. Arc-resistant switchboards are designed to prevent arcs generated inside the circuit breaker from affecting the surrounding environment. However, to protect users from internal arcs, the installation of ventilation openings in arc-resistant switchboards is extremely restricted, leading to elevated internal temperatures.

[0007] Figure 1 Shown is a circuit breaker compartment located within a switchboard.

[0008] A circuit breaker compartment or circuit breaker bracket 10 is shown. A ventilation port 12 is formed on the top surface of the bracket 10, and a door 14 is provided on the front surface.

[0009] A door handle 15 is provided on one side of the door 14, and an observation window 16 is provided at the bottom for viewing the interior. Furthermore, a work port 18 is provided at the bottom end for inserting a lead screw for drawing the circuit breaker in and out. Meanwhile, a plurality of lifting rings 19 are provided at the top.

[0010] In a switchboard requiring arc resistance, the ventilation port 12 on the top surface discharges the arc through a guide device such as an arc duct, or plays a role in reducing arc pressure by increasing the volume.

[0011] As shown, the door 14 is not provided with a vent, thereby protecting the user from being injured by the electric arc.

[0012] Figure 2 The circuit breaker compartment of a switchboard with a high rated current and no need for arc resistance is shown. In the case of a circuit requiring a high operating current, a vent 17 is formed in the door 14 to reduce the internal temperature rise caused by the increased heat generated by the increased current.

[0013] Typically, as the current used increases, the internal temperature of a switchboard remains elevated. If ventilation openings are not provided with doors to protect users from explosions caused by internal arcing, and the switchboard operates at maximum electrical capacity while using higher currents, this can result in temperatures exceeding a reference temperature (approximately 90°C, based on a normal temperature of 25°C). This elevated temperature accelerates the deterioration of the internal insulation, shortening the switchboard's lifespan and potentially leading to other accidents caused by insulation breakdown. Summary of the Invention

[0014] Problems to be solved by the invention

[0015] The present invention is proposed to solve the aforementioned problems. Its purpose is to provide an electric equipment room with a ventilation device that can function as a vent under normal conditions and, in the event of an accident, can seal the switchboard against explosions inside the circuit breaker room caused by electric arcs, thereby protecting users from harm caused by flames.

[0016] Technical solutions to the problem

[0017] An embodiment of the present invention provides an electric power equipment room with a ventilation device, comprising: an electric power equipment room accommodating electric power equipment; an electric power equipment room door which is openably and closably arranged on the front of the electric power equipment room and has a ventilation opening; a fixed plate assembly which is fixedly coupled to the back of the electric power equipment room door and has an open ventilation opening connected to the ventilation opening; and a rotating plate assembly which is rotatably coupled to the fixed plate assembly.

[0018] Here, the ventilation opening is composed of a plurality of ventilation holes.

[0019] In addition, the fixing plate assembly includes: a fixing plate fixedly coupled to the back surface of the power equipment room door; and a fixing plate frame surrounding the ventilation opening.

[0020] In addition, the rotating plate assembly includes a rotating plate rotatably coupled to the fixed plate.

[0021] In addition, a link member is provided to connect the fixed plate assembly and the rotating plate assembly.

[0022] In addition, the link member includes: a first link having one end coupled to the side surface of the fixed plate; and a second link having one end coupled to the side surface of the rotating plate, the second link being connected to the first link.

[0023] In addition, the link member further includes a connecting shaft connecting the first link and the second link.

[0024] In addition, a connecting rod coupling hole for coupling the first connecting rod is formed on the side surface of the fixing plate.

[0025] In addition, a space is provided on the side surface of the fixing plate so that the second link can move without interference.

[0026] In addition, a space is provided on the side of the rotating plate so that the link member can move without interference.

[0027] In addition, a fixing protrusion for coupling with one end portion of the second connecting rod is protruded from the side surface of the rotating plate.

[0028] In addition, an elastic member is provided between the connecting shaft and the side surface of the fixing plate.

[0029] In addition, the lower end portion of the side surface portion of the fixing plate is bent and extended to form a wing portion, and the lower end portion of the elastic member is fixed to the wing portion.

[0030] In addition, a sealing member is provided, which is coupled to the fixed plate frame and is in close contact with the rotating plate when the rotating plate assembly is closed.

[0031] Effects of the Invention

[0032] According to an embodiment of the present invention, an electric power equipment room with a ventilation device is provided in a circuit breaker room. Under normal conditions, the ventilation device is opened, thereby serving as a vent. When an arc accident occurs, the ventilation device is closed, thereby preventing safety accidents.

[0033] In addition, the ventilation device is provided with a handle that can be opened by a user, so that it can be opened for ventilation.

[0034] In addition, the ventilation device is provided with a link member and an elastic member capable of preventing the ventilation device from being arbitrarily closed in a normal state.

[0035] In addition, the ventilation device can set the resistance of the elastic member so that it can be automatically closed when an arc occurs. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 It is a perspective view of a distribution board according to an embodiment of the prior art.

[0037] Figure 2 It is a perspective view of a distribution board according to another embodiment of the prior art.

[0038] Figure 3 It is a three-dimensional diagram of an electric power equipment room according to one embodiment of the present invention.

[0039] Figure 4 It is a perspective view of the back side of the door of the power equipment room according to one embodiment of the present invention.

[0040] Figure 5 yes Figure 4 A three-dimensional diagram of the ventilation device in FIG.

[0041] Figure 6 The ventilation device is Figure 4 A three-dimensional view of the back of the door in an open state.

[0042] Figure 7 yes Figure 6 A three-dimensional diagram of the ventilation device in FIG.

[0043] Figure 8 yes Figure 5 Exploded perspective view of the ventilation device.

[0044] Figure 9 yes Figure 8 Exploded perspective view of the fixing plate assembly.

[0045] Figure 10 and Figure 11 The figures are a side view and a side perspective view of a ventilation device applied to an electric power equipment room according to an embodiment of the present invention in an open state.

[0046] Figure 12 and Figure 13 1 and 2 are a side view and a side perspective view of a ventilation device applied to an electric power equipment room according to an embodiment of the present invention in a closed state. DETAILED DESCRIPTION

[0047] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. However, this is for the purpose of providing a detailed description to facilitate implementation of the invention by those skilled in the art, and does not intend to limit the technical concept and scope of the present invention to these drawings.

[0048] In the present invention, the terms “member” or “part” used to refer to constituent elements are not used for any limiting purpose and may be omitted.

[0049] An electric equipment room with a ventilation device according to various embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0050] Figure 3is a three-dimensional diagram of an electric power equipment room according to an embodiment of the present invention. Figure 4 1 is a perspective view of the back of a door of a circuit breaker chamber according to an embodiment of the present invention. Figure 5 yes Figure 4 A three-dimensional diagram of the ventilation device in FIG. Figure 6 The ventilation device is Figure 4 A three-dimensional image of the back of the door in an open state. Figure 7 yes Figure 6 A three-dimensional diagram of the ventilation device in FIG. Figure 8 yes Figure 5 Exploded perspective view of the ventilation device.

[0051] An electric power equipment room with a ventilation device according to an embodiment of the present invention includes: an electric power equipment room 100, which accommodates electric power equipment; an electric power equipment room door 110, which is openably and closably arranged on the front of the electric power equipment room 100 and has a vent 112; a fixed plate assembly 210, which is fixedly coupled to the back side 119 of the electric power equipment room door 110 and has a ventilation opening 213 connected to the vent 112; and a rotating plate assembly 250, which is rotatably coupled to the fixed plate assembly 210.

[0052] An electric equipment room 100 is provided. Here, the electric equipment room 100 may be a switchboard, a circuit breaker room, or a rack. The electric equipment room 100 may be in a box shape. The electric equipment room 100 may be formed as a metal box or a synthetic resin box.

[0053] The power equipment room 100 accommodates therein power equipment such as a circuit breaker (not shown) that generates an arc when an accident occurs.

[0054] A ventilation port 102 is formed in the upper portion of the power equipment room 100. The ventilation port 102 is composed of a plurality of holes.

[0055] Rings 104 are provided at the corners of the upper portion of the power equipment room 100 as means for lifting.

[0056] An electric power equipment room door 110 is provided on the front of the electric power equipment room 100. The electric power equipment room door 110 is opened and closed by rotating around a portion where a plurality of hinges 111 are provided.

[0057] A door handle 120 is provided on the front side of the power equipment room door 110 on the opposite side from the hinge 111 .

[0058] The electric equipment room door 110 is provided with a vent 112. The vent 112 is composed of a plurality of ventilation holes.

[0059] At the lower end of the power equipment room door 110, there is an operation port 114 into which a lead screw (not shown) for introducing and removing a circuit breaker can be inserted. The operation port 114 is coupled to a guide portion 115 protruding from the back surface 119 of the power equipment room door 110.

[0060] In the ventilation opening 112, there is a ventilation device 200 for air ventilation.

[0061] The ventilation device 200 generally consists of a fixing plate assembly 210 fixedly coupled to the back surface 119 of the power equipment room door 110 and a rotating plate assembly 250 rotatably coupled to the fixing plate assembly 210.

[0062] The fixing plate assembly 210 will be described. Additional reference Figure 9 .

[0063] The fixing plate assembly 210 includes a fixing plate 211, a fixing plate frame 220, a sealing member 225, a link member 230, and an elastic member 240.

[0064] The fixing plate 211 is coupled and fixed to the back surface 119 of the power equipment room door 110. The fixing plate 211 is coupled to the ventilation opening 112 portion.

[0065] The fixing plate 211 is formed in a plate shape and is coupled to the back surface 119 of the power equipment room door 110. A plurality of fastening holes 212 for coupling to the back surface 119 of the power equipment room door 110 are formed in the fixing plate 211. In addition, a plurality of frame coupling holes 249 for coupling the fixing plate frame 220 are formed in the fixing plate 211.

[0066] A plurality of ventilation openings 213 are formed in the central portion of the fixing plate 211. The ventilation openings 213 communicate with the ventilation opening 112. Therefore, the air outside and inside the power equipment room 100 is connected through the ventilation opening 112 and the ventilation openings 213. In addition, the ventilation openings 213 enable a user to visually observe and understand the inside of the power equipment room 100 from outside the power equipment room door 110.

[0067] Both side faces 214 of the fixing plate 211 are bent. Thus, the fixing plate 211 is formed in a "C" shape.

[0068] One end of the link member 230 is rotatably coupled to the upper portion of the side face 214. A link coupling hole 215 for coupling the first link 231 is formed in the side face 214.

[0069] A link operation groove 216 is formed in the side face 214. The link operation groove 216 provides a space for the second link 235 and the fastening member to act without interference.

[0070] A rotation plate fastening hole 217 is formed in the lower part of the side face portion 214.

[0071] The lower end portion of the side face portion 214 is bent and extended to provide a wing portion 218.

[0072] A locking groove 219 for locking the lower end portion of the fixing elastic member 240 is formed in the wing portion 218.

[0073] The fixing plate frame 220 is coupled to the fixing plate 211. For example, as Figure 9 shown, the fixing plate frame 220 can be coupled to the fixing plate 211 in such a manner that a plurality of insertion protrusions 222 formed on one side of the fixing plate frame 220 are inserted into the frame coupling holes 249 of the fixing plate 211. The fixing plate frame 220 is formed of a rectangular pipe. That is, the fixing plate frame 220 can be formed in a "square" shape. The fixing plate frame 220 is configured to surround the ventilation opening 213.

[0074] The sealing member 225 is coupled to the fixing plate frame 220. The sealing member 225 can be inserted and coupled to the fixing plate frame 220. The sealing member 225 tightly couples the fixing plate assembly 210 and the rotation plate assembly 250, reduces impact when the rotation plate assembly 250 is coupled to the fixing plate assembly 210 (closed condition), and maintains sealing in the coupled state (closed state). When the rotation plate assembly 250 is closed by the fixing plate assembly 210, the rotation plate 251 abuts against the sealing member 225.

[0075] A link member 230 is provided. The link member 230 includes a first link 231 having one end coupled to the fixing plate 211 and a second link 235 having one end coupled to the rotation plate 251.

[0076] One end portion of the first link 231 is coupled to the side face portion 214 of the fixing plate 211, and the other end portion is coupled to the second link 235. The other end portion of the first link 231 rotates about the one end portion of the first link 231.

[0077] One end portion of the second link 235 is coupled to the rotation plate 251, and the other end portion is coupled to the first link 231. The other end portion of the second link 235 rotates about the one end portion of the second link 235.

[0078] A connecting shaft 264 for connecting the first link 231 and the second link 235 is provided.

[0079] An elastic member 240 is provided. The elastic member 240 is provided between the wing portion 218 of the fixing plate 211 and the link member 230.

[0080] The rotation plate assembly 250 will be described.

[0081] The rotating plate assembly 250 includes a rotating plate 251 , an observation window 270 , and a handle 265 .

[0082] One side of the rotating plate 251 may be formed in an open box shape. The rotating plate 251 has a top surface 252 , two side surfaces 253 , and a bottom surface 254 .

[0083] An interference prevention groove 255 is formed on the side surface 253 of the rotating plate 251 so as not to interfere with the movement of the link member 230. The interference prevention groove 255 provides a space for the movement of one end of the first link 231 and the fastening member.

[0084] A fixing boss hole 256 for engaging the fixing boss 262 and a fixing plate fastening hole 257 for axially engaging the fixing plate assembly 210 are formed on the side surface 253 of the rotating plate 251 .

[0085] An observation opening 259 is formed in the center of the rotating plate 251. The user can check the interior through the ventilation opening 213 of the fixed plate 211 and the observation opening 259 of the rotating plate 251.

[0086] The rotating plate 251 is provided with a handle 265 for the user to use.

[0087] An observation window 270 is provided in the observation opening 259 of the rotating plate 251 .

[0088] A fixing protrusion 262 is provided on the side surface 253 of the rotating plate 251 and is coupled to the fixing protrusion hole 256. One end portion of the second link 235 is coupled to the fixing protrusion 262.

[0089] A cutout portion 258 is formed at an inclined position on the lower portion of the side surface 253 of the rotating plate 251. Figure 11 Due to the cutout portion 258 , even if the rotating plate 251 is opened, it will not interfere with the fixed plate 211 .

[0090] A fastening member is provided.

[0091] The first fastening member 280 rotatably couples the fixed plate assembly 210 and the rotating plate assembly 250. The first fastening member 280 is axially coupled to the rotating plate fastening hole 217 of the fixed plate assembly 210 and the fixed plate fastening hole 257 of the rotating plate assembly 250.

[0092] The second fastening member 282 rotatably couples the first link 231 to the fixing plate assembly 210 .

[0093] The function of the power equipment room with ventilation device according to one embodiment of the present invention will be described. Figures 10 to 13 .

[0094] Figure 10and Figure 11 It is a side view and a side perspective view of the ventilation device in the open state.

[0095] Figure 12 and Figure 13 It is a side view and a side perspective view of the ventilation device in a closed state.

[0096] First, the opening function of the ventilation device 200 is described. Figure 12 In the closed state shown, if the user pulls the handle 265, the rotating plate assembly 250 rotates with the first fastening member 280 as the reference and is opened and released from the fixed plate assembly 210. Figure 10 open state.

[0097] At this time, the elastic member 240 is respectively locked to the wing portion 218 of the fixed plate assembly 210 and the connecting shaft 264 of the link member 230. Figure 10 As shown, when the rotating plate assembly 250 is rotated to the open position, one end of the second connecting rod 235 is coupled to the fixing protrusion 262, and the fixing protrusion 262 is located outside the direction of action (the length direction of the elastic member) of the elastic member 240. In other words, with the connecting shaft 264 as a reference, one end of the first connecting rod 231 (where the second fastening member 282 is located) and one end of the second connecting rod 235 (where the fixing protrusion 262 is located) are located in opposite directions.

[0098] The elastic member 240 is stretched, and the fixing protrusion 262 is located outside the direction of action of the elastic member 240, so that the elastic member 240 acts in the direction of pulling the connecting shaft 264. As a result, the link member 230 is subjected to a force in the opening direction. Therefore, the link member 230 remains in the open state, and the rotating plate assembly 250 remains in the open state.

[0099] Next, the sealing function of the ventilation device 200 will be described. Figure 10 In the open state shown, if an arc accident occurs in the circuit breaker, the rotating plate assembly 250 rotates counterclockwise with the first fastening member 280 as the reference due to the pressure of the arc, and is closed by the fixed plate assembly 210. Figure 12 closed state.

[0100] At this point, the pressure of the arc overcomes the resistance of the elastic member 240, pushing the rotating plate assembly 250 and closing it against the fixed plate assembly 210. The inner side of the rotating plate 251 of the rotating plate assembly 250 is tightly closed against the sealing member 225 of the fixed plate assembly 210. As a result, the ventilation device is sealed.

[0101] One end portion of the second link 235 and the fixing protrusion 262 are inserted into the link operation groove 216 .

[0102] In such Figure 12 In the closed position shown, since one end of the first link 231 and one end of the second link 235 are located inside the action direction of the elastic member 240, the link member 230 remains in the closed state and the rotating plate assembly 250 remains in the closed state.

[0103] According to an embodiment of the present invention, an electric power equipment room with a ventilation device is provided in a circuit breaker room. Under normal conditions, the ventilation device is opened, thereby serving as a vent. When an arc accident occurs, the ventilation device is closed, thereby preventing safety accidents.

[0104] In addition, the ventilation device is provided with a handle that can be opened by a user, so that it can be opened for ventilation.

[0105] In addition, the ventilation device is provided with a link member and an elastic member capable of preventing the ventilation device from being arbitrarily closed in a normal state.

[0106] In addition, the ventilation device can set the resistance of the elastic member so that it can be automatically closed when an arc occurs.

[0107] The embodiments described above illustrate the optimal implementation state for realizing the present invention. As long as a person skilled in the art of the present invention is skilled in the art, various modifications and variations can be made without departing from the essential features of the present invention. Therefore, these embodiments are not intended to limit the technical ideas of the present invention, but are for illustration. Therefore, it should be understood that the scope of the technical ideas of the present invention is not limited by these embodiments. That is, the scope of protection of the present invention needs to be interpreted by the claims, and should be interpreted as all technical ideas within the scope equivalent to them are included in the scope of rights of the present invention.

[0108] Description of Reference Numerals

[0109] 100: Power Equipment Room

[0110] 110: Power equipment room door

[0111] 112: Ventilation

[0112] 200: Ventilation device

[0113] 210: Fixed plate assembly

[0114] 211: Fixed plate

[0115] 213: Opening for ventilation

[0116] 215: Connecting rod joint hole

[0117] 220: Fixed plate frame

[0118] 225: Sealing components

[0119] 230: Connecting rod

[0120] 231: First connecting rod

[0121] 235: Second connecting rod

[0122] 240: Elastic member

[0123] 250: Rotating plate assembly

[0124] 255: Anti-interference slot

[0125] 258: Incision

[0126] 259: Open mouth for observation

[0127] 262: Fixed protrusion

[0128] 264: Connecting shaft

[0129] 265: handle

[0130] 270: Observation window

[0131] 280: First fastening member

[0132] 282: Second fastening member

Claims

1. An electric equipment room with a ventilation device, wherein: include: Power equipment room, which houses power equipment; an electric equipment room door, which is openably and closably arranged on the front of the electric equipment room and has a vent; a fixed plate assembly fixedly coupled to the back of the power equipment room door and having a ventilation opening communicating with the ventilation opening; as well as The rotating plate assembly is rotatably coupled to the fixed plate assembly.

2. The electric power equipment room with ventilation device according to claim 1, wherein: The vent is composed of a plurality of vent holes.

3. The electric equipment room with ventilation device according to claim 1, wherein: The fixing plate assembly comprises: a fixing plate fixedly coupled to the back side of the power equipment room door; and A fixed plate frame surrounds the ventilation opening.

4. The electric equipment room with ventilation device according to claim 3, wherein: The rotating plate assembly includes a rotating plate rotatably coupled to the fixed plate.

5. The electric equipment room with ventilation device according to claim 4, wherein: A link member is provided to connect the fixed plate assembly and the rotating plate assembly.

6. The electric equipment room with ventilation device according to claim 5, wherein: The connecting rod member comprises: a first connecting rod, one end of which is coupled to a side surface of the fixing plate; and One end portion of the second connecting rod is coupled to the side surface of the rotating plate, and the second connecting rod is connected to the first connecting rod.

7. The electric equipment room with ventilation device according to claim 6, wherein: The link member further includes a connecting shaft connecting the first link and the second link.

8. The electric power equipment room with ventilation device according to claim 6, wherein: A connecting rod coupling hole for coupling the first connecting rod is formed on a side surface of the fixing plate.

9. The electric power equipment room with ventilation device according to claim 6, wherein: A link operation groove is formed on a side surface of the fixing plate to provide a space in which the second link can operate without interference.

10. The electric power equipment room with ventilation device according to claim 6, wherein: An interference prevention groove is formed on a side surface of the rotating plate to provide a space in which the link member can operate without interference.

11. The electric power equipment room with ventilation device according to claim 6, wherein: A fixing protrusion for coupling with one end portion of the second connecting rod is protruded from the side surface of the rotating plate.

12. The electric equipment room with ventilation device according to claim 7, wherein: An elastic member is also included and is disposed between the connecting shaft and the side surface of the fixing plate.

13. The electric equipment room with ventilation device according to claim 12, wherein: The lower end portion of the side surface portion of the fixing plate is bent and extended to form a wing portion, and the lower end portion of the elastic member is fixed to the wing portion.

14. The electric power equipment room with ventilation device according to claim 4, wherein: A sealing member is provided, which is combined with the fixed plate frame and is in close contact with the rotating plate when the rotating plate assembly is in a closed state.

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