JP5888907B2 - Building, fire detection system, data center, and method of fire detection - Google Patents

Description

  The present invention relates to a building, a fire detection system, a data center, and a fire detection method.

Conventionally, a fire detector for detecting a fire is provided in a building to detect the occurrence of a fire. Some of these fire detectors prevent detection errors by switching the detection sensitivity to high sensitivity after the first detection of the fire, and determining the occurrence of the fire according to the second detection (for example, , See Patent Document 1).
Patent Document 1 Japanese Patent Laid-Open No. 2005-275709

  However, in the case of a building having an air conditioning system that takes in outside air, the room is often ventilated, making it difficult to detect smoke. In addition, the possibility of erroneous detection due to dust or the like is considered to be high, and it is difficult to accurately detect a fire. In addition, in the case of fire extinguishing using an inert gas or the like, it may be difficult to extinguish the fire due to the influence of wind or the like when the room is ventilated.

  In the first aspect of the present invention, a first opening / closing unit provided on the outer wall for introducing outside air, a detection unit for detecting the occurrence of a fire, and the detection unit first detecting the occurrence of a fire Thus, a building is provided that includes a control unit that closes the first opening and closing unit, and a determination unit that determines the occurrence of a fire in response to the detection unit secondarily detecting the occurrence of a fire.

  It should be noted that the above summary of the invention does not enumerate all the necessary features of the present invention. In addition, a sub-combination of these feature groups can also be an invention.

The perspective view of the building 100 which concerns on this embodiment is shown. The structural example of the AA 'cross section in FIG. 1 is shown. The structural example of the BB 'cross section in FIG. 2 is shown. The structural example of CC 'cross section in FIG. 2 is shown. The structural example of the control part 510 and the judgment part 540 of the building 100 which concerns on this embodiment is shown with the external air measurement part 520 and the main room measurement part 530. FIG. An example of the operation | movement flow of the building 100 which concerns on this embodiment is shown. 2 shows an exemplary hardware configuration of a computer 1900 according to the present embodiment.

  Hereinafter, the present invention will be described through embodiments of the invention, but the following embodiments do not limit the invention according to the claims. In addition, not all the combinations of features described in the embodiments are essential for the solving means of the invention. Hereinafter, embodiments will be described with reference to the drawings. In the description of the drawings, the same or similar parts may be denoted by the same reference numerals, and redundant description may be omitted. The drawings are schematic, and the relationship between the thickness and the planar dimensions, the ratio, and the like may be different from the actual ones. In addition, for convenience of explanation, there may be a case where the drawings have different dimensional relationships or ratios.

  FIG. 1 is a perspective view of a building 100 according to the present embodiment. The building 100 includes an air conditioning system that takes in outside air, and detects a fire that has occurred in the building 100. When the fire is primarily detected, the building 100 determines the occurrence of the fire based on whether or not the fire is secondarily detected after the introduction of outside air is interrupted and the circulation operation is performed. In this embodiment, the building 100 will be described as an example of a data center including a server that generates heat. The building 100 includes a first opening / closing part 110 and a chimney 120.

  The first opening / closing part 110 is provided on the outer wall of the building 100 and introduces outside air. The first opening / closing part 110 may be an air volume adjusting damper having an opening that can change an opening area with respect to the outside. The first opening / closing part 110 has a wing that changes the opening area by changing the position and / or angle by a motor, and controls the amount of outside air introduced by the electric signal by transmitting the electric signal to the motor. It may be a motor damper.

  The first opening / closing unit 110 may include a transmission unit that transmits the opening / closing state of the first opening / closing unit 110. The transmission unit may transmit the state when at least the first opening / closing unit 110 is fully closed. For example, the transmission unit may be included in an actuator included in the motor damper, and the actuator may transmit the fully closed state in response to the actuator moving the motor damper to the fully closed state. Instead, the transmitting unit may transmit the state when at least the first opening / closing unit 110 is fully opened. Instead, the first opening / closing unit 110 may further include a detection unit that detects the open / closed state of the first opening / closing unit 110, and the transmission unit may transmit the detection result of the detection unit.

  Here, the building 100 may further include a ventilation part outside the first opening / closing part 110. The ventilation part allows outside air to pass through the building 100 while preventing the entry of rain, foreign matter, or living things from the outside. The ventilation part may be a louver in which a slat is attached in parallel to the ventilation hole. Further, the ventilation portion may be a louver to which a louver is fixed. The ventilation portion may be provided on a part of the wall surface of the building 100, or instead, may be provided on the entire wall surface.

  The chimney 120 discharges the exhaust from the main room 210 inside the building 100 to the outside. The chimney 120 may exhaust the exhaust inside the building 100 to the outside using gravity ventilation (chimney effect) generated by a temperature difference inside the building 100. Further, the chimney 120 is provided at a position higher than the main room 210, and when the wind blows outside the building 100, the chimney 120 is located at a position lower than the chimney 120 by utilizing the phenomenon that the pressure around the chimney 120 is lowered. The exhaust of the main room 210 may be discharged to the outside due to a pressure difference generated between the main room 210 and the main room 210 provided.

  In addition, the chimney 120 may discharge the exhaust inside the building 100 to the outside by blowing air from a blower such as a fan provided inside the building 100. Chimney 120 may be provided on the roof of building 100. Alternatively, the chimney 120 may be provided on the outer wall of the building 100.

  The chimney 120 has a ventilation part 122 and exhausts the exhaust from the main room 210 to the outside through the ventilation part 122. The ventilation part 122 discharges the exhaust from the inside of the building 100 to the outside while preventing the entry of rain, foreign matter, or living things from the outside of the building 100.

  FIG. 2 shows a configuration example of the AA ′ cross section in FIG. Here, the AA ′ cross section is a plane that cuts the main room 210 in the building 100 in the horizontal direction with respect to the ground. The building 100 includes a main room 210, an outside air introduction room 220, an air conditioning room 230, a duct room 250, a detection unit 260, a discharge unit 270, and a separation unit 280.

  The main room 210 is provided with a device that generates heat. A plurality of main rooms 210 may be provided in the building 100. For example, the building 100 may be a building having two or more floors, and the main room 210 may be provided on each floor. In the present embodiment, an example in which the main room 210 is provided on the first floor and the second floor in the building 100 will be described. The main room 210 includes a server 200 that is a device that generates heat, and an exhaust unit 240.

  The server 200 includes a CPU, a memory, and / or a hard disk drive, and may operate as a computer. The server 200 may be a storage that operates as a secondary storage device. The server 200 may have a blower that rotates the wings to generate wind and an exhaust port that outputs the heat generated by the server 200 to the outside together with the wind generated by the blower, and may cool itself. A plurality of servers 200 may be housed in a server rack that is formed of a housing having a predetermined size and that houses a housing having a predetermined size.

  The server 200 may be a rack mount server or a blade server whose height and width are standardized. The server 200 is connected to a network and transmits / receives data to / from other servers 200 inside the building 100 or outside the building 100 to execute data storage and provision, application software, and the like.

  The exhaust unit 240 exhausts the air in the main room 210 together with the heat generated by the server 200. The exhaust unit 240 may be a blow-through through which air can pass from the main room 210 to the upper floor of the main room 210 in the vertical direction. Since the air heated by the server 200 in the main room 210 rises due to the temperature difference, the exhaust unit 240 can exhaust the air in the main room 210 to the upper floor of the main room 210. Further, the exhaust unit 240 may have a blower and forcibly exhaust the air in the main room 210 to the upper floor.

  The exhaust unit 240 may be provided in the main room 210 adjacent to the server 200. In addition, when the server 200 has an exhaust port or a fan for releasing heat to the outside, the exhaust unit 240 may be provided close to the exhaust port or the fan. In this case, the server 200 may be installed such that the exhaust port or the fan faces the exhaust unit 240 side. That is, the exhaust unit 240 exhausts the air that is sucked from the main room 210 by the server 200 together with the heat generated inside by the exhaust port or the fan.

  The exhaust unit 240 may be provided adjacent to the plurality of servers 200 and may be provided in the main room 210. In the example in the figure, two exhaust units 240 are provided in the main room 210.

  The outside air introduction room 220 mixes the outside air introduced from the first opening / closing part 110 and the air exhausted from the exhaust part 240 of the main room 210. The outside air introduction room 220 is provided between the outer wall of the building 100 and the main room 210, and a plurality of outside air introduction rooms 220 may be provided in the building 100. The outside air introduction room 220 has a first exhaust introduction part 226.

  The first exhaust introduction unit 226 introduces exhaust from the main room 210 into the outside air introduction room 220. The first exhaust introduction unit 226 may be an air volume adjustment damper or a motor damper whose introduction amount can be changed, like the first opening / closing unit 110.

  In the example in the drawing, the outside air introduction room 220 is provided in the building 100 adjacent to the air conditioning room 230 and the duct room 250, and introduces the mixed air mixture into the air conditioning room 230. Two outside air introduction rooms 220 are provided in the building 100 with two exhaust parts 240 interposed therebetween.

  The air conditioning room 230 blows the air introduced from the outside air introduction room 220 and / or the duct room 250 to the main room 210. The air conditioning room 230 includes an air-fuel mixture introduction unit 224, a cooling unit 232, a blower unit 234, and a second exhaust introduction unit 238.

  The air-fuel mixture introduction unit 224 introduces air introduced from the outside air introduction room 220 into the air conditioning room 230. Like the first opening / closing part 110, the air-fuel mixture introduction part 224 may be an air volume adjusting damper or a motor damper.

  The cooling unit 232 cools the air introduced from the outside air introduction room 220 and supplies it to the main room 210. The cooling unit 232 may be a cooling device that includes a coil that circulates the refrigerant and cools the introduced air through the coil. Here, the cooling unit 232 may use water or CFCs as a refrigerant.

  The air blowing unit 234 blows air introduced through the cooling unit 232 to the main room 210. The air blower 234 may be a blower that blows air by rotating a wing. Moreover, the air blower 234 may be a blower that can control the air flow rate by adjusting the rotation speed.

  The second exhaust introduction unit 238 introduces exhaust from the main room 210 to the air conditioning room 230 through the air introduced from the duct room 250. Similar to the first opening / closing part 110, the second exhaust introduction part 238 may be an air volume adjusting damper or a motor damper capable of changing the introduction amount.

  The duct room 250 passes the exhaust from the main room 210, transfers air to and from the outside air introduction room 220 via the first exhaust introduction part 226, and sends air to the air conditioning room 230 via the second exhaust introduction part 238. Supply. When the building 100 is a multi-story building, the duct room 250 may be provided for each floor, and each duct room 250 may have an opening in the vertical direction and an atrium through which air can pass in the vertical direction.

  Moreover, the duct room 250 may have a grating. As an example, the duct room 250 is provided with a grating in the dotted line portion in the drawing. The duct room 250 may be provided with a fan for sending the exhaust from the exhaust unit 240 from the upper floor to the lower floor.

  The detection unit 260 detects the occurrence of a fire. The detector 260 may be a smoke detector that detects smoke, or may be a fire detector that detects heat or flame instead. The detection unit 260 may switch the detection sensitivity in accordance with an external control signal. A plurality of detection units 260 may be provided in the building 100.

  The detection unit 260 has a plurality of detectors, and at least one of the plurality of detectors has higher sensitivity than the other detectors and primarily detects the occurrence of a fire. Here, among the plurality of detectors, a detector that does not perform primary detection has lower detection sensitivity than a detector that performs primary detection, and secondarily detects the occurrence of a fire. Instead of this, after the primary detection of the occurrence of a fire, the detection unit 260 may set the detection sensitivity to be lower than the sensitivity of the primary detection by an external signal, and may detect the occurrence of a fire secondary.

  When it is determined that a fire has occurred, the discharge unit 270 discharges an inert gas with the first opening / closing unit 110 closed. The discharge unit 270 discharges an inert gas such as carbon dioxide, nitrogen, and / or argon to extinguish a fire generated in the building 100.

  One or more separation units 280 are provided in the main room 210 and separate the space in the main room 210 into two or more. Here, the detection unit 260 and the discharge unit 270 may be provided in each of the main rooms 210 separated into a plurality by the separation unit 280. The separation unit 280 may be a fire shutter that is closed in the event of a fire and prevents fire spread or toxic gas.

  FIG. 3 shows a configuration example of the BB ′ cross section in FIG. Here, the BB ′ cross section is a plane that cuts the outside air introduction room 220, the duct room 250, the main room 210, and the exhaust part 240 inside the building 100 in a direction perpendicular to the ground.

  The exhaust unit 240 exhausts the air heated by the server 200 provided in the main room 210 to the upper side of the main room 210. The chimney 120 is connected to the exhaust unit 240 above the main room 210, and exhausts the exhaust from the main room 210 to the outside through the output unit 330 that can change the exhaust amount. The output unit 330 may be an air volume adjustment damper or a motor damper, like the first opening / closing unit 110.

  The output part 330 may be provided separately from the ventilation part 122, thereby receiving the influence of the wind generated outside the building 100 via the ventilation part 122, thereby preventing the direct influence of the wind. . The output unit 330 may further include a shutter or the like for the purpose of preventing the influence of wind.

  Further, the exhaust unit 240 passes the air heated by the server 200 provided in the main room 210 to the outside air introduction room 220 through the duct room 250. The outside air introduction room 220 mixes the air heated by the server 200 and the outside air introduced from the first opening / closing part 110.

  Here, the exhaust unit 240 may include a humidification unit 320 that humidifies the exhaust from the main room 210. The humidifying unit 320 may be a humidifier that releases moisture contained in the air and humidifies the air. The humidification unit 320 supplies the humidified air to the air conditioning room 230 via the duct room 250. Here, the humidifying unit 320 may supply the humidified air to the air conditioning room 230 via a duct that is partitioned and provided in the duct room 250.

  Moreover, the exhaust part 240 may have a grating in which steel materials or the like are assembled in a lattice shape. The exhaust unit 240 may use the grating as a floor material of each floor, and can thereby be used as a passage while passing air to the upper floor. As an example, the exhaust unit 240 is provided with a grating in a dotted line portion in the drawing.

  FIG. 4 shows a configuration example of the CC ′ cross section in FIG. Here, the CC ′ cross section is a plane that cuts the main room 210, the outside air introduction room 220, the exhaust part 240, and the air conditioning room 230 inside the building 100 in a direction perpendicular to the ground. The exhaust unit 240 passes the air heated by the server 200 provided in the main room 210 to the air conditioning room 230 via the duct room 250.

  The air conditioning room 230 may introduce the exhaust from the main room 210 from the outside air introduction room 220 to the air conditioning room 230 via the cooling unit 232. The air conditioning room 230 may introduce the exhaust from the main room 210 from the duct room 250 to the air conditioning room 230 via the second exhaust introduction unit 238.

  In addition, the air conditioning room 230 may introduce the outside air from the first opening / closing unit 110 into the air conditioning room 230 from the outside air introduction room 220 through the cooling unit 232. In addition, outside air from the first opening / closing unit 110 may be introduced from the duct room 250 to the air conditioning room 230 via the second exhaust introduction unit 238.

  The building 100 of the present embodiment as described above exhausts all or part of the air heated by the server 200 provided in the main room 210 from the chimney 120 via the exhaust part 240. In addition, the building 100 moves the remaining air to the duct room 250, introduces it into the air conditioning room 230 through the outside air introduction room 220, and circulates it to the main room 210 by the blower 234. Here, the building 100 mixes the outside air introduced from the first opening / closing part 110 and the exhaust of the main room 210 in the outside air introduction room 220.

  Further, the building 100 may be introduced from the duct room 250 to the air conditioning room 230 and circulated to the main room 210. Here, the building 100 mixes the outside air introduced from the first opening / closing part 110 and the exhaust of the main room 210 in the duct room 250. In this way, the building 100 adjusts the temperature and humidity in the main room 210 by taking in outside air.

  In the present embodiment, the air-fuel mixture introduction part 224, the first exhaust introduction part 226, the second exhaust introduction part 238, and the separation part 280 are provided on the inner wall of the building 100 and close the second space in the building 100. It is an opening / closing part. The detection unit 260 and the discharge unit 270 may be provided in each of the spaces closed by these second opening / closing units.

  The second opening / closing part closes the second opening / closing part in response to determining that a fire has occurred. In this case, the discharge part 270 may discharge the inert gas with the second opening / closing part closed. Thereby, the building 100 can detect a fire for each space closed by the second opening / closing unit, and can efficiently extinguish the fire in a closed space.

  In addition, the building 100 of the present embodiment introduces outside air through a space that is doubly partitioned by the first opening / closing unit 110, the air-fuel mixture introduction unit 224, and the first exhaust introduction unit 226, and the output unit 330 Since it is not directly affected by the wind from the outside, even if wind is generated outside the building, it is possible to prevent the influence on the area to be extinguished. Therefore, the building 100 can effectively perform fire extinguishing with the inert gas. Moreover, the building 100 can maintain the state which makes the fire extinguishing by the inert gas of the said division effective.

  The building 100 according to the present embodiment includes a control unit 510 and a determination unit 540 in the building 100, adjusts the temperature and humidity in the main room 210, and detects the occurrence of a fire in the building 100. Instead of this, the building 100 may be provided with the control unit 510 and / or the determination unit 540 outside the building 100 to exchange electric signals by wire or wirelessly.

  FIG. 5 shows a configuration example of the control unit 510 and the determination unit 540 of the building 100 according to the present embodiment, together with the outside air measurement unit 520 and the main room measurement unit 530. The control unit 510 controls the amount of air introduced or exhausted from the first opening / closing unit 110, the air-fuel mixture introduction unit 224, the first exhaust introduction unit 226, the second exhaust introduction unit 238, and the output unit 330. Further, the control unit 510 may control the cooling amount of the cooling unit 232, the blowing amount of the blowing unit 234, and the humidifying amount of the humidifying unit 320.

  Control unit 510 closes first opening / closing unit 110 and output unit 330 in response to first detection of the occurrence of fire by detection unit 260. When the determination unit 540 determines that a fire has occurred, the control unit 510 causes the discharge unit 270 to output an inert gas. Here, the control unit 510 may output the inert gas after closing the second opening / closing unit.

  The controller 510 may transmit an electric signal to each unit to adjust the outside air introduction amount or the exhaust introduction amount. Control unit 510 receives the measurement results of the temperature and humidity of outside air and main room 210 from outside air measuring unit 520 and main room measuring unit 530, and adjusts the amount of outside air introduced or the amount of exhaust introduced.

  The outside air measurement unit 520 is provided outside the building 100 and measures the temperature and humidity of outside air. Here, the outside air measurement unit 520 may measure the absolute humidity of the outside air. The outside air measurement unit 520 transmits the measurement result to the building 100. The main room measurement unit 530 is provided inside the main room 210 and measures the temperature and humidity of the main room 210. The main room measurement unit 530 may measure the absolute humidity of the main room 210.

  Here, when the main room measurement unit 530 is installed in the vicinity of the server 200, the main room measurement unit 530 measures the temperature and humidity on the air suction side, not on the exhaust port side of the server 200. The main room measurement unit 530 transmits the measurement result to the building 100.

  The determination unit 540 determines the occurrence of a fire in response to the detection unit 260 secondarily detecting the occurrence of a fire. The determination unit 540 notifies the control unit 510 of the determined fire occurrence. In addition, after the first opening / closing unit 110 and the output unit 330 are closed, the determination unit 540 detects that the primary detection is erroneously detected when the detection unit 260 does not secondarily detect the occurrence of a fire within a predetermined period. The control unit 510 is notified. Control unit 510 opens first opening / closing unit 110 in response to being notified of erroneous detection.

  FIG. 6 shows an example of an operation flow of the building 100 according to the present embodiment. The detector 260 primarily detects the occurrence of a fire in the building 100 (S600). The building 100 adjusts the temperature and humidity of the main room 210 by opening and closing the first opening and closing part 110 and the second opening and closing part according to the outside air until primary detection of the occurrence of a fire.

  Control unit 510 closes first opening / closing unit 110 and output unit 330 in response to primary detection of fire occurrence by detection unit 260 (S610). Here, in response to the primary detection of the occurrence of the fire, the control unit 510 opens the first opening / closing unit 110 and indicates that the first opening / closing unit 110 is fully opened. After receiving from the transmission unit, the first opening / closing unit 110 may be closed.

  In this manner, the control unit 510 can close the first opening / closing unit 110 after confirming that the first opening / closing unit 110 is operating by closing the first opening / closing unit 110 once and then closing it. For example, when the building 100 includes a plurality of first opening / closing parts 110, each of the plurality of first opening / closing parts 110 includes a detection unit that detects the opening / closing state, and the complicated control for confirming each opening / closing state. The control unit 510 can be closed while confirming the operation of the first opening / closing unit 110.

  In addition, the control unit 510 closes the first opening / closing unit 110 and the output unit 330, then opens the air-fuel mixture introduction unit 224, the first exhaust introduction unit 226, and the second exhaust introduction unit 238, and uses the air blowing unit 234. Then, air in the air conditioning room 230 is blown to the main room 210.

  Thereby, the control unit 510 sends the air in the building 100 from the main room 210 to the duct room 250 through the exhaust unit 240 and circulates to the main room 210 through the air conditioning room 230 (S620). The detection unit 260 secondarily detects the occurrence of a fire during the period in which the control unit 510 circulates the air in the building 100 (S630). Here, the detection unit 260 may perform secondary detection after the control unit 510 circulates the air in the building 100 for a predetermined period.

  For example, when the detection unit 260 performs primary detection while the first opening / closing unit 110 is open, dust or the like contained in the outside air may be erroneously detected as smoke. Therefore, as in the above procedure, control unit 510 closes the first opening / closing unit after the primary detection, circulates the air in building 100, and then performs secondary detection. As a result, the control unit 510 disperses dust that may be erroneously detected and then causes the detection unit 260 to perform secondary detection. Therefore, the detection unit 260 can accurately detect a fire in the secondary detection. it can.

  The building 100 may further include a filter unit that reduces dust contained in the air in the building 100. When the air in the building 100 is circulated after the primary detection, the filter unit removes dust contained in the circulated air. As a result, the dust that causes the false detection of the fire can be removed, so that the detection unit 260 can accurately perform the secondary detection of the fire. Here, the filter unit may be included in the humidifying unit 320, and a plurality of filter units may be provided in the building 100 instead.

  In the determination unit 540, the primary detection is a false detection when the detection unit 260 does not secondarily detect the occurrence of a fire within a predetermined period after the control unit 510 closes the first opening / closing unit 110. Is determined and notified to the control unit 510. Upon receiving the notification of erroneous detection, control unit 510 further circulates the air in building 100 for a predetermined period of time (S640).

  That is, the control unit 510 circulates the air in the building 100 through the filter unit for a predetermined period prior to reopening the first opening / closing unit 110 without determining that a fire has occurred. As a result, the building 100 can return to the primary detection step after the filter unit removes dust or the like that causes erroneous detection, and can reduce the possibility of repeated erroneous detection.

  Next, the control unit 510 opens the first opening / closing unit 110 (S650). The building 100 repeats the primary detection step S600 to the step of opening the first opening / closing unit (S650) until the detection unit 260 secondarily detects the occurrence of a fire.

  In response to secondary detection of the occurrence of fire by the detection unit 260, the determination unit 540 determines that a fire has occurred and notifies the control unit 510 of the determination. Control unit 510 closes the second opening / closing unit in response to determination unit 540 determining the occurrence of a fire (S660). The control unit 510 releases the inert gas from the release unit 270 with the first opening / closing unit 110, the output unit 330, and the second opening / closing unit closed (S670).

  Here, the control unit 510 may release the inert gas from the discharge unit 270 in the closed space including the detection unit 260 that secondarily detects the occurrence of a fire. As a result, the control unit 510 can cause the fire to be generated and discharge the inert gas only to the space closed by the second opening / closing unit, so that efficient fire extinguishing can be performed.

  According to the present embodiment as described above, even in a building including an air conditioning system that takes in outside air, it is possible to reduce a false detection and detect a fire. Moreover, since the building 100 of the present embodiment performs secondary detection more accurate than primary detection after removing the influence of dust and the like after primary detection of the occurrence of a fire, from the detection unit 260 that performs secondary detection. Alternatively, the sensitivity of the detection unit 260 that performs primary detection may be increased. In addition, the building 100 includes the first opening / closing part 110, the second opening / closing part, and the ventilation part 122, so that the influence of the wind outside the building 100 can be suppressed, and fire extinguishing with an inert gas can be effectively performed. Can be executed.

  Increasing the sensitivity of the detection unit 260 increases the probability of erroneous detection due to dust or the like, but the building 100 of the present embodiment performs secondary detection in a sealed state after primary detection to determine the occurrence of a fire. Therefore, malfunction of primary detection can be avoided. Further, the building 100 can detect fire early by increasing the sensitivity of the detection unit 260 that performs primary detection.

  In the above embodiment, the detection unit 260 has been described as a fire detector. However, instead of this, the detection unit 260 may include a particle counter unit that detects the amount of dust in the building 100. The particle counter unit secondarily detects the occurrence of a fire in response to the detected amount of dust being greater than a predetermined value.

  For example, when the first occurrence of a fire is detected, control unit 510 closes the first opening / closing unit and circulates the air in building 100. Here, when the primary detection is erroneous detection due to dust, the filter portion removes dust or the like that causes erroneous detection due to air circulation. Therefore, the particle counter unit can determine that the primary detection is a false detection in response to the detected amount of dust being less than a predetermined value, and the detected amount of dust is The occurrence of a fire can be secondarily detected in response to whether the value is greater than a predetermined value. Thus, since the detection unit 260 directly measures the amount of dust in the building 100, it can be determined whether or not the primary detection is due to dust, and false detection of fire can be reduced.

  Moreover, in the above Example, it demonstrated that the control part 510 closed, confirming operation | movement of the 1st opening / closing part 110. FIG. As described above, since the control unit 510 has a function of confirming the operation of the first opening / closing unit 110, the confirmation function of the operation may be executed other than when a fire occurs.

  For example, in response to the elapse of a predetermined time, control unit 510 sets first opening / closing unit 110 to a fully open and / or fully closed state, and the state is transmitted from the transmission unit of first opening / closing unit 110. You can receive it. Accordingly, the control unit 510 can periodically check the opening / closing operation of the first opening / closing unit 110 in advance, and can perform more reliable operation when a fire occurs.

  FIG. 7 shows an example of the hardware configuration of a computer 1900 according to this embodiment. A computer 1900 according to this embodiment is connected to a CPU peripheral unit having a CPU 2000, a RAM 2020, a graphic controller 2075, and a display device 2080 that are connected to each other by a host controller 2082, and to the host controller 2082 by an input / output controller 2084 An input / output unit having a communication interface 2030, a hard disk drive 2040, and a DVD drive 2060; a legacy input / output unit having a ROM 2010, a flexible disk drive 2050, and an input / output chip 2070 connected to the input / output controller 2084; Is provided.

  The program is installed in the computer 1900, and causes the computer 1900 to function as the control unit 510 and the determination unit 540. Accordingly, the computer 1900 can implement the functions of the control unit 510 and the determination unit 540.

  When the information processing described in the program is read into the computer 1900, it functions as the control unit 510, which is a specific means in which the software and the various hardware resources described above cooperate. And by this specific means, the calculation or processing of the information according to the purpose of use of the computer 1900 in the present embodiment is realized, so that a specific control unit 510 and determination unit 540 according to the purpose of use are constructed.

  In addition, the CPU 2000 performs various operations, such as various operations, information processing, condition determination, information search / replacement, etc., described in the present embodiment, specified for the data read from the RAM 2020 by the instruction sequence of the program. Execute the process.

  The program or module shown above may be stored in an external recording medium. As the recording medium, in addition to the flexible disk 2090 and the DVD-ROM 2095, an optical recording medium such as DVD or CD, a magneto-optical recording medium such as MO, a tape medium, a semiconductor memory such as an IC card, and the like can be used. Further, a storage device such as a hard disk or a RAM provided in a server system connected to a dedicated communication network or the Internet may be used as a recording medium, and the program may be provided to the computer 1900 via the network.

  Although the hardware configuration of the computer 1900 has been described above, the building 100 may include a plurality of computers 1900, and may be distributed and controlled by the plurality of computers 1900. For example, a part of the program is installed in each of the plurality of computers 1900 and causes the plurality of computers 1900 to function as the control unit 510. Instead of this, the building 100 includes a plurality of control devices dedicated to sequence control, and installs a part of the control program in each of the plurality of control devices so that the plurality of control devices function as the control unit 510 (PLC ( The program may be distributed and controlled by a programmable logic controller) or a DDC (direct digital controller).

  As mentioned above, although this invention was demonstrated using embodiment, the technical scope of this invention is not limited to the range as described in the said embodiment. It will be apparent to those skilled in the art that various modifications or improvements can be added to the above-described embodiment. It is apparent from the scope of the claims that the embodiments added with such changes or improvements can be included in the technical scope of the present invention.

  The order of execution of each process such as operations, procedures, steps, and stages in the apparatus, system, program, and method shown in the claims, the description, and the drawings is particularly “before” or “prior to”. It should be noted that the output can be realized in any order unless the output of the previous process is used in the subsequent process. Regarding the operation flow in the claims, the description, and the drawings, even if it is described using “first”, “next”, etc. for convenience, it means that it is essential to carry out in this order. It is not a thing.

100 building, 110 first opening / closing section, 120 chimney, 122 ventilation section, 200 server, 210 main room, 220 outside air introduction room, 224 mixture introduction section, 226 first exhaust introduction section, 230 air conditioning room, 232 cooling section, 234 Blower unit, 238 Second exhaust introduction unit, 240 exhaust unit, 250 duct room, 260 detection unit, 270 discharge unit, 280 separation unit, 320 humidification unit, 330 output unit, 510 control unit, 520 outside air measurement unit, 530 main Room measurement unit, 540 determination unit, 1900 computer, 2000 CPU, 2010 ROM, 2020 RAM, 2030 communication interface, 2040 hard disk drive, 2050 flexible disk drive, 2060 DVD drive, 2070 input / output chip, 075 graphic controller, 2080 a display device, 2082 host controller 2084 output controller, 2090 a flexible disk, 2095 DVD-ROM

Claims (17)

A building,
A first opening / closing portion provided on the outer wall for introducing outside air;
A detector that detects the occurrence of a fire;
In response to the primary detection of the occurrence of fire by the detection unit, a control unit that closes the first opening and closing unit;
A determination unit that determines the occurrence of a fire in response to secondary detection of the occurrence of the fire by the detection unit;
A second opening / closing part for closing a space in the building including the detection part;
An inner wall provided with the second opening and closing part;
Bei to give a,
In response to the determination unit determining that a fire has occurred, the second opening / closing unit is closed,
building.   A building,
  A first opening / closing portion provided on the outer wall for introducing outside air;
  A detector that detects the occurrence of a fire;
  In response to the primary detection of the occurrence of fire by the detection unit, a control unit that closes the first opening and closing unit;
  A determination unit that determines the occurrence of a fire in response to secondary detection of the occurrence of the fire by the detection unit;
  A filter unit for reducing dust contained in the air in the building;
  With
  When the detection unit does not secondarily detect the occurrence of a fire within a predetermined period after the control unit closes the first opening / closing unit, the determination unit opens the first opening / closing unit. ,
  The control unit circulates air in the building through the filter unit for a predetermined period prior to reopening the first opening / closing unit without determining that a fire has occurred,
  building.   A first opening / closing portion provided on the outer wall for introducing outside air;
  A detector that detects the occurrence of a fire;
  In response to the primary detection of the occurrence of fire by the detection unit, a control unit that closes the first opening and closing unit;
  A determination unit that determines the occurrence of a fire in response to secondary detection of the occurrence of the fire by the detection unit;
  With
  The first opening / closing unit includes a transmission unit that transmits an opening / closing state of the first opening / closing unit,
  In response to the primary detection of the occurrence of a fire, the control unit opens the first opening / closing unit, receives from the transmission unit that the first opening / closing unit is fully open, Close the opening and closing part of 1,
  building. The building according to any one of claims 1 to 3 , wherein the control unit causes the determination unit to determine the occurrence of a fire after a predetermined period has elapsed since the first opening / closing unit was closed. The building according to claim 1, wherein the detection unit is a smoke detector that detects smoke. The detecting portion includes a plurality of detectors, wherein at least one of the plurality of detectors has a higher sensitivity than other detectors, one of claims 1 to detect the occurrence of a fire primary 5 The building according to item 1. The building according to any one of claims 1 to 6 , further comprising a discharge section that discharges an inert gas in a state where the first opening / closing section is closed when the determination section determines that a fire has occurred. The detector includes a particle counter that detects the amount of dust in the building,
The building according to any one of claims 1 to 7 , wherein the particle counter unit secondarily detects the occurrence of a fire in response to the detected amount of dust being greater than a predetermined value. A building fire detection system comprising: a main room in which equipment for generating heat is provided; and a first opening / closing part that is provided on an outer wall and introduces outside air,
A detector that detects the occurrence of a fire;
A control unit that closes the first opening / closing unit in response to primary detection of the occurrence of a fire by the detection unit;
A determination unit that determines the occurrence of a fire in response to the detection of a second occurrence of the fire by the detection unit;
A second opening / closing part for closing a space in the building including the detection part;
An inner wall provided with the second opening and closing part;
Bei to give a,
In response to the determination unit determining that a fire has occurred, the second opening / closing unit is closed,
Fire detection system. A building fire detection system comprising: a main room in which equipment for generating heat is provided; and a first opening / closing part that is provided on an outer wall and introduces outside air,
A detector that detects the occurrence of a fire;
A control unit that closes the first opening / closing unit in response to primary detection of the occurrence of a fire by the detection unit;
A determination unit that determines the occurrence of a fire in response to the detection of a second occurrence of the fire by the detection unit;
A filter unit for reducing dust contained in the air in the building;
With
When the detection unit does not secondarily detect the occurrence of a fire within a predetermined period after the control unit closes the first opening / closing unit, the determination unit opens the first opening / closing unit. ,
The control unit circulates air in the building through the filter unit for a predetermined period prior to reopening the first opening / closing unit without determining that a fire has occurred,
Fire detection system. A building fire detection system comprising: a main room in which equipment for generating heat is provided; and a first opening / closing part that is provided on an outer wall and introduces outside air,
A detector that detects the occurrence of a fire;
A control unit that closes the first opening / closing unit in response to primary detection of the occurrence of a fire by the detection unit;
A determination unit that determines the occurrence of a fire in response to the detection of a second occurrence of the fire by the detection unit;
With
The first opening / closing unit includes a transmission unit that transmits an opening / closing state of the first opening / closing unit,
In response to the primary detection of the occurrence of a fire, the control unit opens the first opening / closing unit, receives from the transmission unit that the first opening / closing unit is fully open, Close the opening and closing part of 1,
Fire detection system. A data center,
Server,
A main room provided with the server;
A first opening / closing portion provided on an outer wall for introducing outside air into the main room;
A detector that detects the occurrence of a fire;
In response to the primary detection of the occurrence of fire by the detection unit, a control unit that closes the first opening and closing unit;
A determination unit that determines the occurrence of a fire in response to secondary detection of the occurrence of the fire by the detection unit;
A second opening / closing unit for closing a space in the data center including the detection unit;
An inner wall provided with the second opening and closing part;
Bei to give a,
In response to the determination unit determining that a fire has occurred, the second opening / closing unit is closed,
Data center.   A data center,
  Server,
  A main room provided with the server;
  A first opening / closing portion provided on an outer wall for introducing outside air into the main room;
  A detector that detects the occurrence of a fire;
  In response to the primary detection of the occurrence of fire by the detection unit, a control unit that closes the first opening and closing unit;
  A determination unit that determines the occurrence of a fire in response to secondary detection of the occurrence of the fire by the detection unit;
  A filter unit for reducing dust contained in the air in the data center;
  With
  When the detection unit does not secondarily detect the occurrence of a fire within a predetermined period after the control unit closes the first opening / closing unit, the determination unit opens the first opening / closing unit. ,
  The control unit circulates air in the data center through the filter unit for a predetermined period before reopening the first opening / closing unit without determining that a fire has occurred,
  Data center.   Server,
  A main room provided with the server;
  A first opening / closing portion provided on an outer wall for introducing outside air into the main room;
  A detector that detects the occurrence of a fire;
  In response to the primary detection of the occurrence of fire by the detection unit, a control unit that closes the first opening and closing unit;
  A determination unit that determines the occurrence of a fire in response to secondary detection of the occurrence of the fire by the detection unit;
  With
  The first opening / closing unit includes a transmission unit that transmits an opening / closing state of the first opening / closing unit,
  In response to the primary detection of the occurrence of a fire, the control unit opens the first opening / closing unit, receives from the transmission unit that the first opening / closing unit is fully open, Close the opening and closing part of 1,
  Data center. A method for detecting a fire in a building comprising a first opening / closing portion that is provided on an outer wall and introduces outside air , which is executed by a computer ,
A detection stage in which the computer detects the occurrence of a fire by a detection unit ;
In response to the primary detection of the occurrence of fire by the detection unit , the computer closes the first opening / closing unit by the control unit,
A determination step in which the computer determines the occurrence of a fire by the determination unit in response to secondary detection of the occurrence of a fire by the detection unit ;
In response to determining the occurrence of a fire by the determination unit, the computer closes a second opening / closing unit provided on an inner wall to close a space in the building including the detection unit;
A method of fire detection comprising: A method for detecting a fire in a building comprising a first opening / closing portion that is provided on an outer wall and introduces outside air , which is executed by a computer ,
A detection stage in which the computer detects the occurrence of a fire by a detection unit ;
In response to the primary detection of the occurrence of fire by the detection unit , the computer closes the first opening / closing unit by the control unit,
A determination step in which the computer determines the occurrence of a fire by the determination unit in response to secondary detection of the occurrence of a fire by the detection unit ;
A filter stage in which the computer reduces dust contained in the air in the building by a filter unit;
With
After the control unit closes the first opening / closing unit, the computer detects the first opening / closing by the determination unit when the detection unit does not secondarily detect the occurrence of a fire within a predetermined period. Open the part,
The computer circulates air in the building through the filter unit for a predetermined period prior to reopening the first opening / closing unit by the control unit without determining that a fire has occurred. ,
Fire detection method. A method for detecting a fire in a building comprising a first opening / closing portion that is provided on an outer wall and introduces outside air , which is executed by a computer ,
A detection stage in which the computer detects the occurrence of a fire by a detection unit ;
In response to the primary detection of the occurrence of fire by the detection unit , the computer closes the first opening / closing unit by the control unit,
A determination step in which the computer determines the occurrence of a fire by the determination unit in response to secondary detection of the occurrence of a fire by the detection unit ;
With
The first opening / closing unit includes a transmission unit that transmits an opening / closing state of the first opening / closing unit,
In response to the primary detection of the occurrence of a fire by the control unit, the computer opens the first opening / closing unit and receives from the transmitting unit that the first opening / closing unit is fully open. And closing the first opening / closing part,
Fire detection method.

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