WO2016120981A1 - Système d'alarme incendie - Google Patents

Système d'alarme incendie Download PDF

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Publication number
WO2016120981A1
WO2016120981A1 PCT/JP2015/052086 JP2015052086W WO2016120981A1 WO 2016120981 A1 WO2016120981 A1 WO 2016120981A1 JP 2015052086 W JP2015052086 W JP 2015052086W WO 2016120981 A1 WO2016120981 A1 WO 2016120981A1
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WO
WIPO (PCT)
Prior art keywords
fire
temperature
low temperature
fire alarm
low
Prior art date
Application number
PCT/JP2015/052086
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English (en)
Japanese (ja)
Inventor
佑輝 西川
Original Assignee
三菱電機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to PCT/JP2015/052086 priority Critical patent/WO2016120981A1/fr
Priority to JP2016571532A priority patent/JP6410848B2/ja
Publication of WO2016120981A1 publication Critical patent/WO2016120981A1/fr

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    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion

Definitions

  • the present invention relates to a fire alarm system having stop control for an air conditioner or the like.
  • a smoke detection sensor for detecting the occurrence of smoke in the air conditioning area
  • an indoor temperature sensor for detecting the room temperature of the air conditioning area
  • a smoke exhaust device input means for inputting the presence or absence of a smoke exhaust device
  • a ventilator that is linked to the air conditioning operation for the air conditioning area
  • a control unit that controls the operation of the air conditioning operation and the ventilator, wherein the control unit detects smoke due to a fire in the smoke detection sensor; And when the abnormal temperature rise by fire is detected in the indoor temperature sensor, the air conditioner operation and the operation state of the ventilator are controlled based on the input state from the smoke exhausting device input means.
  • the low-temperature equipment includes, for example, a unit cooler that keeps the temperature of a storehouse for foods and processing plants at a low temperature, a condensing unit used in a freezer, a showcase that keeps the temperature of goods in a store, etc. .
  • stopping the air conditioner in the event of a fire is a priority content from a safety standpoint. Therefore, when centrally managing a system composed of an air conditioner, a ventilation device, and a low temperature device, the central management side receives a fire notification and stops the devices connected to the system. However, only the low-temperature equipment has determined whether to continue or stop the operation with its own sensor. In the system having such a configuration, there is a problem that the intention of centralized management by the fire detector cannot be reflected in the low-temperature equipment.
  • the present invention has been made in order to solve the above-described problems.
  • the low-temperature device reflects the intention of the central management side when a fire occurs. It aims at providing the fire alarm system which can maintain the quality of the object of cooling as much as possible.
  • the fire alarm system includes an air conditioner that adjusts the temperature of an air conditioning area in a building, a low-temperature device installed in the building, and a control device connected to the air conditioner and the low-temperature device.
  • a fire alarm connected to the control device to detect a fire in a building, and the control device controls operation of the air conditioner and the low-temperature equipment based on a fire detection signal of the fire alarm To do.
  • the fire notification system according to the present invention reflects the intention of the central management side in the operation of each device at the time of fire notification. As a result, the increase in room temperature in an air-conditioning area where there is little influence of fire can be reduced, and damage to objects that are cooled by low-temperature equipment can be minimized.
  • FIG. 1 is an example of a configuration of a fire alarm system 1 according to Embodiment 1 of the present invention.
  • the fire alarm system 1 is installed in a building.
  • at least one of a remote controller 10 and a system controller 11 is electrically connected to the fire alarm 2.
  • At least one of the remote controller 10 and the system controller 11 is connected to an air conditioner 20a-20c, a ventilation device 21a-20c, and a low temperature device controller 12a-12c.
  • Low temperature devices 23a-23c are connected to the low temperature device controllers 12a-12c.
  • a sensor 22 is connected to the low-temperature device 23a to detect the surrounding temperature change.
  • the air conditioners 20a to 20c are collectively referred to as the air conditioner 20.
  • the ventilation device 21a-21c, the low temperature device controller 12a-12c, and the low temperature device 23a-23c are collectively referred to as the ventilation device 21, the low temperature device controller 12, and the low temperature device 23.
  • fire alarm 2 Although only one fire alarm 2 is displayed in FIG. 1, one or more fire alarms 2 are actually installed according to the environment in the building.
  • the connection between the fire alarm 2 and the remote controller 10 and the system controller 11 is appropriately determined according to the system environment.
  • the fire alarm 2 sends a fire notification signal 3a to at least one of the remote controller 10 and the system controller 11 when a fire is detected.
  • a fire notification release signal 3d is sent to at least one of the remote controller 10 and the system controller 11.
  • the remote controller 10 and the system controller 11 are expressed as an integral block.
  • the system controller 11 is centrally stored in a controller storage panel (not shown).
  • the system controller 11 centrally manages and controls the air conditioner 20, the ventilation device 21, and the low temperature device 23 in an integrated manner for each device.
  • the remote controller 10 is installed indoors, the operation state of the air conditioner 20 or the ventilation device 21 is displayed on the display unit or the like, and the operation state of the air conditioner 20 or the ventilation device 21 is operated by a user operation. is there.
  • the remote controller 10 and the system controller 11 are connected to each other and exchange signals with each other. The determination of the signal may be made by either the remote controller 10 or the system controller 11 and is appropriately determined depending on the system environment.
  • Either the remote controller 10 or the system controller 11 may transmit the operation control signal (for example, the stop signal 3b) for each device, and is appropriately determined depending on the system environment.
  • both the remote controller 10 and the system controller 11 are not essential for the system.
  • the air conditioner 20, the ventilation device 21, and the low-temperature device 23 receive the signal from the fire alarm 2.
  • the system controller 11 performs determination on a signal and transmission of an operation control signal.
  • the system controller in the present embodiment corresponds to the control device of the present invention.
  • the air conditioner 20 is installed in a building and adjusts the temperature of air in the air conditioning area.
  • the ventilation device 21 is installed in a building and ventilates air in an air conditioning area and air outside the building.
  • the ventilation device 21 may be integrally incorporated in the air conditioner 20.
  • the air conditioner 20 and the ventilation device 21 are connected to the system controller 11 and the operation is controlled.
  • the low-temperature equipment 23 is installed in an air conditioning area.
  • a unit cooler that keeps the temperature of a storage room for foods or a processing plant at a low temperature
  • a condensing unit used for a freezer a product temperature in a store, and the like. This corresponds to a showcase that holds
  • the low temperature device controller 12 controls the operation of the low temperature device 23.
  • the stop signal 3b is received from the system controller 11 when a fire occurs
  • the low temperature device controller 12 transmits a stop signal 3b to the low temperature device 23 to stop the operation.
  • a high temperature detection notification 3e is transmitted from the low temperature device controller 12 to the system controller 11.
  • the system controller 11 Upon receiving the high temperature detection notification 3e, the system controller 11 transmits a stop signal 3c to the low temperature device controller 12 to stop the operation of the low temperature device 23.
  • the low temperature device controller 12 may be omitted.
  • the low temperature device 23 may be directly controlled by the system controller 11. What is necessary is just to determine suitably according to what kind of thing is specifically used as the low temperature apparatus 23.
  • a backup device is set in advance from the low temperature device 23.
  • the backup device is a device that continues to operate preferentially even in the event of a fire in order to maintain the quality of the cooling object of the low-temperature device 23.
  • weighting which one of the low temperature equipments 23 is preferentially operated is performed. Decide on multiple backup devices.
  • the low temperature device 23a is set as a backup device.
  • a sensor 22 for detecting the ambient temperature is attached to the backup device and connected to the low temperature device controller 12a. For example, when there is a flame due to a fire around the sensor 22, the sensor 22 detects the temperature. When it is determined that the detected temperature is equal to or higher than a certain temperature set in the low temperature device controller 12a, the low temperature device controller 12a stops the operation of the low temperature device 23a.
  • the number of the air conditioner 20, the ventilation device 21, and the low temperature device 23 may be appropriately determined depending on the environment of the air conditioning area.
  • the arrow line connecting each device represents a signal transmission path.
  • a plurality of lines may physically pass through them, or a method of transmitting a plurality of signals by a single line, wireless or the like may be used.
  • FIG. 2 is an example (comparative example) of a conventional fire alarm system.
  • the fire alarm system 101 is installed in a building.
  • at least one of a remote controller 110 and a system controller 111 is electrically connected to the fire alarm 102.
  • At least one of the remote controller 110 and the system controller 111 is connected to air conditioners 120a to 120c and ventilation devices 121a to 121c.
  • Sensors 122 and low temperature devices 123a-123c are connected to the low temperature device controllers 112a-112c.
  • the fire alarm system 101 in which the fire alarm device 102 is connected to the system of the air conditioner 120 and the ventilation device 121, and the independent low-temperature devices 123a to 123c are installed.
  • a sensor 122b and a sensor 122c are attached to the low temperature device 123b and the low temperature device 123c, and the temperature around the low temperature device 123b and the low temperature device 123c is constantly monitored.
  • the fire alarm signal 103a from the fire alarm 102 enters at least one of the remote controller 110 and the system controller 111, and is sent to the air conditioner 120 and the ventilator 121.
  • a stop signal 103b is transmitted to stop the operation.
  • the low temperature device 123 continues normal operation regardless of the fire notification signal 103a of the fire alarm 102. Only when the sensors 122b and 122c detect high temperatures, the low-temperature equipment 123b and low-temperature equipment 123c to which the sensors are connected stop operating.
  • the low temperature device 123a is given priority to continue operation even in the event of a fire, and is set so as not to stop even if there is a flame in the vicinity in order to maintain the quality of the object to be cooled.
  • FIG. 3 is an example of a control flow of the fire alarm system 1 according to the embodiment of the present invention. This will be described with reference to this figure.
  • the system controller 11 constantly monitors whether a fire alarm signal is output from the fire alarm 2.
  • Step S1 of FIG. 3 an electrical signal is received from the fire alarm 2, the air conditioner 20, the ventilation device 21, and the low temperature device controller 12 connected to the remote controller 10 and the system controller 11, and the signal content is analyzed. .
  • Step S2 it is determined whether or not the electrical signal is a fire notification signal 3a from the fire alarm 2. If it is determined in step S2 that the signal from the fire alarm 2 is the fire notification signal 3a, the process proceeds to step S3. If it is not the fire notification signal 3a, the process proceeds to step S6.
  • Step S3 In step S3, when it becomes Yes on the conditions of step S2, the system controller 11 transmits the stop signal 3b with respect to the air conditioner 20 and the ventilator 21, and operates the air conditioner 20 and the ventilator 21. Stop. The stop of the operation of the air conditioner 20 and the ventilation device 21 is performed from the viewpoint of safety in the event of a fire. In addition, the air conditioner 20 or the like stirs smoke during a fire so that the efficiency of the smoke exhausting device (not shown) is not lowered. Further, the system controller 11 transmits a stop signal 3b for stopping the operation of the low temperature device 23b and the low temperature device 23c to the low temperature device controller 12b and the low temperature device controller 12c. The stop signal 3b is not transmitted to the low temperature device controller 12a of the low temperature device 23a which is a backup device.
  • step S3 The operation in step S3 is performed only for the first time when the system controller 11 receives the fire notification signal 3a. Unless the system controller 11 receives the fire notification release signal 3d, the stop signal 3b is not transmitted to the air conditioner 20, the ventilation device 21, and the low temperature device 23 even if the fire notification signal 3a is received after the next time. . In the state where each device has been stopped in step S3, only the low temperature device 23a as the backup device continues to operate. In this state, the operation of the fire alarm system proceeds to step S4.
  • Step S4 the system controller 11 determines whether or not the sensor 22 connected to the low temperature device controller 12a is reporting an abnormality, that is, whether or not the high temperature detection notification 3e is received. If the high temperature detection notification 3e has been received, the process proceeds to step S5, and if not, the process proceeds to step S8.
  • Step S5 the system controller 11 transmits a stop signal 3c for the low temperature device 23a set as the backup device to the low temperature device controller 12a, and stops the low temperature device 23a that is the backup device. Thereafter, the operation of the fire alarm system returns to the main loop and repeats the control flow from step S1 again.
  • step S4 and S5 control signals are exchanged between the system controller 11 and the low temperature device 23 via the low temperature device controller 12a.
  • the low temperature device controller 12a may be omitted. That is, the system controller 11 may directly receive the high temperature detection notification 3e, and directly transmit the stop signal 3c to the low temperature device 23a to stop the operation. Such a configuration is applied when the low temperature device 23a does not include the low temperature device controller 12a.
  • the sensor 22 constantly monitors the ambient temperature of the low temperature device 23a, and the low temperature device controller 12a determines that the surrounding of the low temperature device 23a is not a fire area when the sensor 22 detects a normal temperature. At this time, the low temperature device controller 12a automatically starts operation of the stopped low temperature device 23a. Note that it is not necessary for the low temperature device controller 12a to automatically start the operation. For example, when the sensor 22 detects a normal temperature, the low temperature device controller 12a sends a signal to the system controller 11, the system controller 11 determines the signal, and the system controller 11 gives an instruction to start operation to the low temperature device 23a. A configuration may be taken.
  • the senor 22 is directly connected to the system controller 11, and the system controller 11 determines the detection of the normal temperature of the sensor 22, and directly operates the low-temperature device 23a.
  • Step S6 the system controller 11 determines whether the electrical signal from the fire alarm 2 is the fire notification cancellation signal 3d. If Yes, the process proceeds to step S7. If false, the process returns to the main loop and the control flow from step S1 is executed again.
  • Step S7 the system controller 11 can operate the air conditioner 20, the ventilation device 21, and the low temperature device 23 (including the low temperature device 23a set as a backup device) that has been stopped in step S3 or step S5. Let it be in a state.
  • Step S8 In step S8, since there is no high temperature detection notification from the sensor 22 connected to the low temperature device 23a, the system controller 11 determines that safety is ensured and restarts the operation. Thereafter, the operation of the fire alarm system returns to the main loop and repeats the flow from step S1 again.
  • the system controller 11 controls to operate only the low-temperature device 23a that is a device that is desired to continue the minimum operation even in the event of a fire. Therefore, the quality of the object to be cooled by the low-temperature equipment 23 can be maintained even in a fire. Moreover, when a fire approaches the periphery of the low temperature apparatus 23a which is continuing operation
  • the sensor 22 detects the normal temperature, and the operation is restarted by the original judgment on the low-temperature equipment 23a side (for example, judgment by the low-temperature equipment controller 12a). Can do. In this way, at the time of fire notification, centralized control that can maintain the quality of the cooling object of the low-temperature equipment 23 is performed while reflecting the intention of the centralized management side of the system considering safety in the event of a fire. be able to.

Abstract

La présente invention concerne un système d'alarme incendie (1) qui est pourvu : d'un conditionneur d'air (20) qui ajuste la température d'une zone de conditionnement d'air ; d'un appareil à basse température (23) disposé dans la zone de conditionnement d'air ; d'appareils de commande (10, 11) connectés à l'appareil de conditionnement d'air (20) et à l'appareil à basse température (23) ; et d'un dispositif d'alarme incendie (2), qui est connecté aux appareils de commande (10, 11) et détecte un incendie dans la zone de conditionnement d'air. Les appareils de commande (10, 11) commandent le fonctionnement du conditionneur d'air (20) et de l'appareil à basse température (23) en fonction de signaux de détection d'incendie du système d'alarme incendie (2).
PCT/JP2015/052086 2015-01-26 2015-01-26 Système d'alarme incendie WO2016120981A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2015/052086 WO2016120981A1 (fr) 2015-01-26 2015-01-26 Système d'alarme incendie
JP2016571532A JP6410848B2 (ja) 2015-01-26 2015-01-26 火災報知システム

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2015/052086 WO2016120981A1 (fr) 2015-01-26 2015-01-26 Système d'alarme incendie

Publications (1)

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WO2016120981A1 true WO2016120981A1 (fr) 2016-08-04

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108692436A (zh) * 2018-04-23 2018-10-23 珠海格力电器股份有限公司 具有防火灾功能的空调系统及控制方法
EP3608888A1 (fr) * 2018-08-09 2020-02-12 FS, Inc. Appareil de surveillance de sécurité d'espace intelligent et système associé

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09152157A (ja) * 1995-11-29 1997-06-10 Mitsubishi Electric Corp ダクト式空気調和機
JP2006300356A (ja) * 2005-04-15 2006-11-02 Fuji Electric Holdings Co Ltd 店舗管理システム
JP2014103662A (ja) * 2012-10-25 2014-06-05 Semiconductor Energy Lab Co Ltd 集中管理システム

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6073233A (ja) * 1983-09-30 1985-04-25 Mitsubishi Electric Corp 冷凍機，空調機のデマンド
JP4317093B2 (ja) * 2004-07-26 2009-08-19 株式会社荏原製作所 消火ポンプ装置
JP2011149654A (ja) * 2010-01-25 2011-08-04 Suzuki Kankogyo Kk 省エネルギーシステム

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09152157A (ja) * 1995-11-29 1997-06-10 Mitsubishi Electric Corp ダクト式空気調和機
JP2006300356A (ja) * 2005-04-15 2006-11-02 Fuji Electric Holdings Co Ltd 店舗管理システム
JP2014103662A (ja) * 2012-10-25 2014-06-05 Semiconductor Energy Lab Co Ltd 集中管理システム

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108692436A (zh) * 2018-04-23 2018-10-23 珠海格力电器股份有限公司 具有防火灾功能的空调系统及控制方法
CN108692436B (zh) * 2018-04-23 2019-10-25 珠海格力电器股份有限公司 具有防火灾功能的空调系统及控制方法
EP3608888A1 (fr) * 2018-08-09 2020-02-12 FS, Inc. Appareil de surveillance de sécurité d'espace intelligent et système associé

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JPWO2016120981A1 (ja) 2017-06-29

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