JP5955904B2 - Power station central control room - Google Patents

Description

  The present invention relates to a central control room of a power plant, and more particularly to a power plant central control room in which a plurality of downlights are arranged.

  For example, in stores, exhibition halls, etc., a plurality of downlights embedded in the ceiling are arranged to irradiate merchandise, exhibits, etc. intensively at a predetermined shading angle. Further, there is known a downlight in which even when lamps having different wattages (different arc tube lengths) are attached, the same light shielding angle is obtained and the efficiency is high (see, for example, Patent Document 1). This downlight is provided with a socket mounting bracket and a socket base for moving the position of the lamp holder up and down, and by moving the lamp holder, the lower end shading angle of the lamp can be kept constant.

Special table 2003-308722 gazette

  By the way, the central control room of a nuclear power plant has recently been monitored and visualized with conventional hardware equipment, and more compact and centralized so that operators can move without sitting down. And operations can be performed. However, since the driver has to continue the same posture for a long time, there is a possibility that the fatigue / burden is great and the concentration is reduced.

  Therefore, in order to reduce such fatigue and concentration loss, various lighting devices including downlights are combined and placed in the central control room to give comfort, tension, calmness, etc. Directed and designed. However, when using a downlight that shines in a spot from the ceiling, the downlight 101 may be reflected on the screen of the monitor 102 as shown in FIG. And if there was such a reflection, there was a possibility that the visibility of the operator M might be lowered, visual fatigue, etc., and the operation of the power plant might be hindered.

  Therefore, an object of the present invention is to provide a power plant central control room in which a downlight is not reflected on a monitor and does not cause a decrease in visibility or visual fatigue.

In order to solve the above-mentioned problem, the invention of claim 1 is provided with a plurality of monitors for monitoring and operating a power plant, and a plurality of downlights that illuminate the bottom in a spot manner are arranged on the ceiling. A power plant central control room provided with an illumination space, wherein a light-blocking body that prevents the downlight from being reflected on the screen of the monitor is disposed on the downlight, and the light- blocking body includes a plurality of light-blocking bodies. A light shielding plate is arranged in a lattice shape, and a side surface of each lattice facing the monitor is configured to be longer than a side surface orthogonal to the side surface, and the height of the light shielding plate is based on the height of the ceiling. The downlight is formed at a height that prevents the downlight from being reflected on the screen of the monitor .

According to a second aspect of the present invention, in the central control room of the power plant according to the first aspect, the light shielding body is colored black .

  According to a third aspect of the present invention, in the power plant central control room according to the second aspect, the light shielding plate is formed and arranged so as to obtain a predetermined illuminance.

According to the invention of claim 1, since the downlight is disposed on the downlight to prevent the downlight from being reflected on the screen of the monitor, the downlight is not reflected on the monitor and the visibility is lowered. And does not induce visual fatigue. In addition, a plurality of downlights are provided to provide a predetermined illumination space. In this way, while ensuring comfort, tension, calmness, etc. with the downlight, the visibility of the downlight reflected on the monitor is prevented and the power plant is operated smoothly. Is possible. Further, the side surface (lateral side surface) of the light shielding body facing the monitor is longer than the side surface (vertical side surface) orthogonal to the side surface, and the height of the light shielding plate is formed based on the height of the ceiling. Therefore, it is possible to effectively prevent and suppress the downlight from being reflected on the monitor by the lateral side surface, and the light from the downlight is more effectively emitted by the longitudinal side surface. An illumination space can be secured.

According to invention of Claim 2, since the light-shielding body is colored black, it becomes possible to improve light-shielding property.

  According to invention of Claim 3, since the light-shielding plate is formed and arrange | positioned so that predetermined | prescribed illumination intensity may be obtained in a central control room, predetermined | prescribed illumination space is formed more appropriately, and comfort or a tension | tensile_strength It is possible to form and secure a feeling of calmness.

It is a front view which shows the power plant central control room which concerns on embodiment of this invention. It is a top view which shows the power plant central control room of FIG. It is the (a) front view (half sectional view) and (b) top view which show the downlight of the power station central control room of FIG. It is a figure which shows the path | route of light when the height of the light-shielding body of the downlight of FIG. 3 is low, and (b) is a figure which shows the path | route of light when it is high. It is a front view which shows the conventional power plant central control room.

  The present invention will be described below based on the illustrated embodiments.

  FIG. 1 is a front view showing a power plant central control room 1 according to an embodiment of the present invention. The power plant central control room 1 is provided with a plurality of monitors 2 for monitoring and operating the power plant, and a plurality of downlights 3 that illuminate the bottom in a spot manner are provided on the ceiling 4 to provide a predetermined illumination space. A light shielding body 5 that is a central control room of a nuclear power plant where the downlight 3 is prevented and suppressed from being reflected on the screen 21 of the monitor 2 is disposed in the downlight 3.

  That is, first, as shown in FIG. 2, a plurality of monitors 2 for monitoring and operating the power plant are provided. Specifically, in this embodiment, a plurality of rows in which a plurality of monitors 2 are arranged side by side are arranged in a plurality of rows, and a plurality of monitors 2 are arranged in an arc shape in front of the row group. The number of chairs 22 corresponding to the number of operators M who use each monitor 2 is arranged for these monitors 2.

  As shown in FIG. 1, each of the downlights 3 is a light that is disposed in the ceiling 4 and illuminates the lower part in a spot manner. As shown in FIG. 3, the downlight 3 is provided with a lamp (light source) 32 as desired inside a bowl-shaped (dome-shaped) reflector 31 formed of a reflecting plate that reflects light. Yes. The lamp 32 has a cylindrical shape and is arranged so that its axis extends vertically, and illuminates the lower part in a spot manner. Moreover, the opening edge of the reflector 31 is circular.

  A plurality of illumination devices including such downlights 3 are arranged so that a predetermined illumination space is formed in the room. In other words, based on the position and layout of each monitor 2, the lighting space and lighting design that gives the operator M comfort, tension, calmness, etc., and can reduce fatigue and reduced concentration. Are arranged in the room, the arrangement position and the number of the downlights 3 and the brightness and brightness of the lamp 32 are set.

  The light shield 5 is disposed on the downlight 3 in order to prevent or suppress the downlight 3 from being reflected on the screen 21 of the monitor 2. On the other hand, as shown in FIG. 1, a transparent frame 6 is provided for the downlight 3 that does not appear on the screen 21 of the monitor 2 even if the light shield 5 is not attached.

  As shown in FIG. 3, the light shielding body 5 includes a plurality of rectangular light shielding plates 52 arranged in a lattice shape with a plate surface extending vertically in an annular mounting frame 51. The light shielding body 5 can be attached to and detached from the downlight 3 coaxially by tightening or removing the mounting bolts 53 of the mounting frame 51 from the screw holes of the downlight 3. Further, by attaching the other end portion of the hanging strap 54 whose one end portion is attached to the light shielding body 5 to the downlight 3, the light shielding body 5 is prevented from being accidentally dropped.

  Here, the entire surface of the light shielding plate 52 is colored black in order to improve the light shielding property, and the side surface (lateral side surface K1) facing the monitor 2 of each lattice is a side surface (vertical side surface K12) orthogonal to this side surface. It is arranged in a lattice shape so as to be longer. That is, each lattice formed by arranging the light shielding plates 52 in a lattice shape is rectangular, and the ratio of the long side to the short side (ratio of the lateral side surface K1 to the longitudinal side surface K12) is 2: 1. Yes. A light shielding plate 52 is disposed so that the lateral side K1 faces the screen 21 of the monitor 2.

  Further, the height h of the light shielding plate 52 is determined based on the arrangement position / arrangement relationship between the monitors 2 and the downlights 3 and the arrangement height H of the downlights 3 (see FIG. 1). Is set so as not to be reflected on the screen 21 of the monitor 2. That is, as shown in FIG. 4A, when the height h of the light shielding plate 52 is low, the radiation angle θ of a part of the light passing through the light shielding body 5 becomes a small acute angle, which is compared with the downlight 3. Light reaches far away. On the other hand, as shown in FIG. 4B, when the height h of the light shielding plate 52 is high, the radiation angle θ of the light passing through the light shielding body 5 is close to a right angle, and just below the downlight 3. The light arrives.

  The height h of the light shielding plate 52 is set so that the downlight 3 (light source) does not appear on the screen 21 of the monitor 2 in consideration of such a direct light reachable range. Therefore, depending on the arrangement relationship between the monitors 2 and the downlights 3, the height h of the light shielding plate 52 may be set to be the same for all the light shielding members 5, or the light shielding plate 52 for each light shielding member 5. The height h may be different.

  Further, the light-shielding plate 52 is formed and disposed so that the downlight 3 is prevented from being reflected on the monitor 2 in this way and predetermined illuminance and brightness are obtained indoors. That is, the height h of the light shielding plate 52 is set so that the downlight 3 is shielded so as not to be reflected on the monitor 2 and a predetermined illumination intensity is obtained in the room to form the illumination space as described above. A lattice shape is set. For example, as shown in FIG. 4B, when the height h of the light-shielding plate 52 is high, as shown in FIG. 1, reflection on the monitor 2 away from the downlight 3 (not directly below) is reflected. This can be prevented, but if the height h of the light shielding plate 52 is too high, a predetermined illuminance cannot be obtained. For this reason, the height h of the light shielding plate 52 is set as low as possible within a range in which reflection can be prevented.

  In other words, the arrangement of each downlight 3 is arranged so that a predetermined illumination space (including illuminance) is formed in the power plant central control room 1 in consideration of the light shielding action / effect of the light shielding body 5. The position and number, the brightness / brightness of the lamp 32, the height h and the grid shape of the light shielding plate 52, the arrangement position of the frame body 6 and the like are set. Here, in order to make the configuration easy to understand in FIG. 1, the light shielding body 5 and the frame body 6 protrude from the ceiling 4, but as shown in FIG. 3, the light shielding body 5 and the frame body 6 are arranged on the ceiling. 4 is located.

  As described above, according to the central control room 1 of the power plant, the light blocking body 5 that prevents the downlight 3 (light source) from being reflected on the screen 21 of the monitor 2 is provided in the downlight 3. The downlight 3 is not reflected on the monitor 2 and does not induce a decrease in visibility of the operator M or visual fatigue. Moreover, since the entire surface of each light shielding plate 52 is colored black, it is possible to more effectively prevent and suppress the downlight 3 from being reflected on the monitor 2. On the other hand, a plurality of downlights 3 are provided to provide a predetermined illumination space. In this way, the downlight 3 ensures comfort, tension, calmness, etc., and prevents the visibility of the downlight 3 from being reflected on the monitor 2 to prevent a decrease in visibility, thereby smoothing the power plant. It becomes possible to drive.

  Further, the lateral side surface K1 facing the monitor 2 of each lattice of the light shielding body 5 is configured to be longer (doubled) than the longitudinal side surface K2 orthogonal to the lateral side surface K1. For this reason, it is possible to effectively prevent and suppress the downlight 3 from being reflected on the monitor 2 by the lateral side surface K1, and the vertical side surface K2 is more effectively irradiated with light from the downlight 3. Therefore, a predetermined illumination space can be secured.

  Further, since the light shielding plate 52 is formed and arranged so that a predetermined illuminance can be obtained in the central control room 1 of the power plant, a predetermined illumination space is more appropriately formed to provide comfort, tension, and calmness. Etc. can be formed and secured.

  Although the embodiment of the present invention has been described above, the specific configuration is not limited to the above embodiment, and even if there is a design change or the like without departing from the gist of the present invention, Included in the invention. For example, in the above-described embodiment, the light shielding plate 52 is disposed so that each lattice is rectangular, but each lattice has a rhombus shape or a triangle according to the light shielding direction (the position of the monitor 2). You may arrange | position the light-shielding plate 52 so that it may become a shape.

1 Power plant central control room 2 Monitor 21 Screen 3 Downlight 31 Reflector 32 Lamp (light source)
4 Ceiling 5 Shading body 51 Mounting frame 52 Shading plate 53 Mounting bolt 54 Hanging strap 6 Frame body M Operator

Claims (3)

A power plant central control room in which a plurality of monitors for monitoring and operating the power plant are arranged, a plurality of downlights that illuminate the spot downwards are arranged on the ceiling, and a predetermined illumination space is provided,
A light-blocking body that prevents the downlight from being reflected on the screen of the monitor is disposed on the downlight ,
The light-shielding body is configured such that a plurality of light-shielding plates are arranged in a lattice shape, and a side surface of each lattice facing the monitor is longer than a side surface orthogonal to the side surface. Based on the height of the ceiling, the downlight is formed at a height that prevents it from being reflected on the screen of the monitor,
The power plant central control room. The light-shielding body is colored black,
The power plant central control room according to claim 1. The light shielding plate is formed and arranged so as to obtain a predetermined illuminance.
The power plant central control room according to claim 2.

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