WO2022186052A1 - 煙監視システム及び煙センサ - Google Patents

煙監視システム及び煙センサ Download PDF

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Publication number
WO2022186052A1
WO2022186052A1 PCT/JP2022/007684 JP2022007684W WO2022186052A1 WO 2022186052 A1 WO2022186052 A1 WO 2022186052A1 JP 2022007684 W JP2022007684 W JP 2022007684W WO 2022186052 A1 WO2022186052 A1 WO 2022186052A1
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Prior art keywords
smoke
filter
smoke sensor
dependent
usage time
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PCT/JP2022/007684
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English (en)
French (fr)
Japanese (ja)
Inventor
寛之 山中
大輔 井上
孝輔 野澤
Original Assignee
能美防災株式会社
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.)
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Application filed by 能美防災株式会社 filed Critical 能美防災株式会社
Priority to JP2023503767A priority Critical patent/JPWO2022186052A1/ja
Priority to CN202280014692.8A priority patent/CN117083650A/zh
Publication of WO2022186052A1 publication Critical patent/WO2022186052A1/ja

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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 smoke monitoring systems.
  • Patent Document 1 When it is time to replace the filter of a smoke detection system, there is a technology that indicates that the filter needs to be replaced (for example, Patent Document 1).
  • Dirty smoke sensor filters can cause non-fire alarms. Therefore, the filters are preferably replaced before they become dirty. However, for example, if it is displayed that the filter needs to be replaced only after the filter replacement cycle has passed, the filter replacement period cannot be known until the filter replacement cycle has passed. It is not possible to make preparations such as planning the work to replace the As a result, it takes time to actually replace the filter after the filter replacement cycle has passed, and the filter may become dirty.
  • One of the objects of the present invention is to make it possible to know when to replace the filter before the filter replacement period elapses.
  • One aspect of the present invention provides a smoke monitoring system comprising a counter that counts the elapsed time from when a new filter was attached to the smoke sensor, and a smoke alarm panel that displays the elapsed time on the display. .
  • the smoke alarm panel may change the display format of the elapsed time when the elapsed time exceeds a predetermined replacement cycle of the filter.
  • the smoke alarm panel may alternately display the elapsed time and a predetermined replacement cycle of the filter.
  • the smoke alarm panel may display the elapsed time and the replacement cycle in different display formats.
  • the smoke alarm panel displays the elapsed time in a first display format when the elapsed time is less than the notice time obtained by subtracting a predetermined time from the predetermined filter replacement cycle, and displays the elapsed time.
  • the elapsed time is displayed in a second display format, and when the elapsed time exceeds the replacement cycle, the elapsed time is displayed in a third display format.
  • the smoke sensor includes a first smoke sensor dependent on the smoke alarm panel and a second smoke sensor operating independently, and the counting unit includes a new first filter attached to the first smoke sensor. a first counting unit that counts a first elapsed time from when the second filter was attached to the second smoke sensor;
  • the smoke alarm panel displays the first elapsed time on a first display, and the smoke monitoring system further includes a monitoring device that displays the first elapsed time and the second elapsed time on a second display.
  • Another aspect of the present invention provides a smoke sensor that includes a counter that counts the elapsed time from when a new filter was attached, and a display that displays the elapsed time.
  • FIG. 1 is a diagram showing an example of a configuration of a dependent smoke sensor 100
  • FIG. 2 is a diagram showing an example of the configuration of a smoke alarm panel 200
  • FIG. 3 is a diagram showing an example of a configuration of an independent smoke sensor 300
  • FIG. 4 is a diagram showing an example of a configuration of a monitoring device 400
  • FIG. 4 is a sequence chart showing an example of the operation of displaying the filter usage time of the dependent smoke sensor 100 on the smoke alarm panel 200.
  • FIG. It is a figure which shows an example of the board surface 250 of 200 A of smoke alarm boards.
  • FIG. 4 is a sequence chart showing an example of the operation of displaying the filter usage time of the dependent smoke sensor 100 and the independent smoke sensor 300 on the monitoring device 400.
  • FIG. 4 is a sequence chart showing an example of the operation of displaying the filter usage time of the dependent smoke sensor 100 and the independent smoke sensor 300 on the monitoring device 400.
  • FIG. 4 is a diagram showing an example of a monitoring screen 450 of the monitoring device 400;
  • FIG. 4 is a diagram showing an example of a monitoring screen 450 of the monitoring device 400;
  • FIG. It is a figure which shows the example of a display of the filter usage time which concerns on a modification. It is a figure which shows the example of a display of the filter usage time which concerns on a modification.
  • FIG. 11 is a diagram showing an example of a monitoring screen 450 of a monitoring device 400 according to a modified example
  • FIG. 1 is a diagram showing an example of a smoke monitoring system 10 according to an embodiment.
  • the smoke monitoring system 10 is installed in fire prevention objects such as server rooms, data centers, and clean rooms.
  • the smoke monitoring system 10 detects signs of fire by monitoring the condition of the ambient air of the fire prevention object. In this way, by detecting the sign of fire, it is possible to quickly deal with it at an early stage.
  • the smoke monitoring system 10 includes a plurality of dependent smoke sensors 100, a plurality of smoke alarm panels 200, a plurality of independent smoke sensors 300, and a monitoring device 400.
  • a plurality of dependent smoke sensors 100 are connected to each smoke alarm panel 200 via a first signal line 500 .
  • a first signal line 500 is, for example, a computer network based on the RS-485 standard.
  • a plurality of smoke alarm panels 200 , a plurality of stand-alone smoke sensors 300 and monitoring device 400 are connected via a second signal line 510 .
  • the second signal line 510 is, for example, a LAN (Local Area Network).
  • the dependent smoke sensor 100 is also called a communication type smoke sensor, and is a smoke sensor dependent on the smoke alarm panel 200 .
  • "subordinate” means that the smoke alarm panel 200 takes part of the smoke alarm function.
  • the dependent smoke sensor 100 detects ambient smoke and transmits smoke detection results to the smoke alarm panel 200 .
  • Dependent smoke sensor 100 is an example of a "first smoke sensor" according to the present invention.
  • the dependent type smoke sensor 100 incorporates a filter 106 that captures foreign matter such as dust in order to suppress the inflow of foreign matter into the dependent type smoke sensor 100 . Due to the nature of the material, the filter 106 degrades and becomes brittle after long-term use. When the filter 106 is in such a state, a non-fire alarm may occur. Therefore, the filter 106 needs to be replaced at predetermined replacement intervals.
  • the smoke alarm panel 200 is a device that receives smoke detection results from the dependent smoke sensor 100 and outputs an alarm according to the smoke detection results. Also, the smoke alarm panel 200 collects various kinds of information from the slave type smoke sensor 100 connected to its own device and displays the information. This information includes the elapsed time from when the new filter 106 was attached to the dependent smoke sensor 100 (hereinafter referred to as "filter usage time"). This elapsed time is a concept including time, days, months, and years that have passed since the new filter 106 was attached.
  • the stand-alone smoke sensor 300 is also called a stand-alone type smoke sensor, and is a smoke sensor that operates independently without requiring the smoke alarm panel 200.
  • the term "independently operated” as used herein means that the smoke alarm function can be realized without depending on other devices.
  • the stand-alone smoke sensor 300 detects surrounding smoke and outputs an alarm according to the smoke detection result.
  • Standalone smoke sensor 300 is an example of a "second smoke sensor” according to the present invention.
  • the stand-alone smoke sensor 300 like the dependent smoke sensor 100, incorporates a filter 307 that captures foreign matter such as dust and dirt. Like the filter 106, the filter 307 needs to be replaced at predetermined replacement intervals.
  • the monitoring device 400 collects various types of information from the dependent type smoke sensor 100 and the independent type smoke sensor 300, and displays this information collectively so that it can be monitored. This information includes filter usage time for dependent smoke sensor 100 and standalone smoke sensor 300 .
  • FIG. 2 is a diagram showing an example of the configuration of the dependent smoke sensor 100.
  • Dependent smoke sensor 100 includes control unit 101 , storage unit 102 , communication unit 103 , operation unit 104 , suction unit 105 , filter 106 , and smoke detection unit 107 .
  • the control unit 101, storage unit 102, communication unit 103, operation unit 104, and smoke detection unit 107 are connected via a bus.
  • the suction unit 105, the filter 106, and the smoke detection unit 107 are connected via piping.
  • the control unit 101 is a processor that controls each unit of its own device and performs various types of processing.
  • the control unit 101 includes, for example, a CPU (Central Processing Unit).
  • the storage unit 102 is a memory that stores programs and various data for realizing the functions of the device itself.
  • the storage unit 102 includes, for example, at least one of ROM (Read Only Memory), EPROM (Erasable Programmable ROM), EEPROM (Electrically Erasable Programmable ROM), and RAM (Random Access Memory).
  • the communication unit 103 is a communication interface for connecting its own device to the first signal line 500 .
  • the communication unit 103 is used to communicate with another device connected via the first signal line 500 .
  • An operation unit 104 is used to operate the device itself.
  • the operation unit 104 includes, for example, a reset button used for operation of resetting the filter usage time.
  • the suction unit 105 sucks the surrounding air.
  • the suction unit 105 includes, for example, a fan.
  • Filter 106 is detachably provided between suction unit 105 and smoke detection unit 107 .
  • the filter 106 captures foreign matter such as dust in the air sucked by the suction unit 105 .
  • Filter 106 is an example of a "first filter" according to the present invention.
  • the smoke detection unit 107 measures the smoke concentration of air that has passed through the filter 106 . Thereby, the smoke detector 107 detects smoke contained in the surrounding air.
  • the range of smoke density that can be measured by the smoke detector 107 is, for example, 0.0001%/m to 20.0%/m.
  • a total scattered light method or a dual light reception method is used.
  • the method of detecting smoke is not limited to these methods, and other methods may be used.
  • the control unit 101 functions as a counting unit 111 and a transmitting unit 112. These functions are realized by the control unit 101 executing a program stored in the storage unit 102 and by the control unit 101 performing calculations or controlling each unit of the dependent smoke sensor 100 .
  • the counting unit 111 may be realized by a physical timer.
  • the counting unit 111 counts the time that has elapsed since the new filter 106 was attached as the filter usage time.
  • the time when a new filter 106 is installed includes the time when the filter 106 is first installed and the time when the filter 106 is replaced.
  • the counting section 111 is an example of the "first counting section" according to the present invention.
  • the transmission unit 112 transmits the filter usage time counted by the counting unit 111 to the smoke alarm panel 200 .
  • FIG. 3 is a diagram showing an example of the configuration of the smoke alarm panel 200.
  • FIG. Smoke alarm panel 200 includes control section 201 , storage section 202 , first communication section 203 - 1 , second communication section 203 - 2 , operation section 204 and display section 205 . These parts are connected via a bus.
  • the control unit 201, storage unit 202, and first communication unit 203-1 are the same as the control unit 101, storage unit 102, and communication unit 103 shown in FIG. 2, respectively.
  • the storage unit 202 stores a program for realizing the functions of the smoke alarm panel 200 .
  • the second communication unit 203-2 is a communication interface for connecting its own device to the second signal line 510.
  • the second communication unit 203-2 is used to communicate with another device connected via the second signal line 510.
  • the operation unit 204 is used to operate the own device.
  • the operation unit 204 includes, for example, operation buttons.
  • the display unit 205 displays various information.
  • the display unit 205 includes, for example, a 7-segment display and an LED (Light Emitting Diode).
  • the display section 205 is an example of the "first display section" according to the present invention.
  • the control unit 201 functions as an acquisition unit 211, a display control unit 212, and a transfer unit 213. These functions are realized by the control unit 201 executing a program stored in the storage unit 202 and performing calculations by the control unit 201 or controlling each unit of the smoke alarm panel 200 .
  • the acquisition unit 211 acquires the filter usage time of the dependent smoke sensor 100 .
  • the display control unit 212 displays the filter usage time acquired by the acquisition unit 211 on the display unit 205 .
  • the transfer unit 213 transfers data sent from one of the monitoring device 400 and the dependent smoke sensor 100 to the other.
  • FIG. 4 is a diagram showing an example of the configuration of the stand-alone smoke sensor 300.
  • Standalone smoke sensor 300 includes control unit 301 , storage unit 302 , communication unit 303 , operation unit 304 , display unit 305 , suction unit 306 , filter 307 , and smoke detection unit 308 .
  • the control unit 301, storage unit 302, communication unit 303, operation unit 304, display unit 305, and smoke detection unit 308 are connected via a bus.
  • the suction unit 306, filter 307, and smoke detection unit 308 are connected via piping.
  • the control unit 301, the storage unit 302, the operation unit 304, the suction unit 306, the filter 307, and the smoke detection unit 308 correspond to the control unit 101, the storage unit 102, the operation unit 104, the suction unit 105, and the filter shown in FIG. 106 and the smoke detector 107 .
  • storage unit 302 stores a program for realizing the function of stand-alone smoke sensor 300 .
  • Filter 307 is an example of a "second filter" according to the present invention.
  • the communication unit 303 and the display unit 305 are the same as the second communication unit 203-2 and the display unit 205 shown in FIG. 3, respectively.
  • the control unit 301 functions as a counting unit 311 and a transmitting unit 312. These functions are realized by the control unit 301 executing a program stored in the storage unit 302 and performing calculations by the control unit 301 or controlling each unit of the independent smoke sensor 300 .
  • the counting unit 311 may be realized by a physical timer.
  • the counting unit 311 counts the time that has elapsed since the filter 307 was attached as the filter usage time.
  • the time when a new filter 307 is installed includes the time when the filter 307 is first installed and the time when the filter 307 is replaced.
  • the counting section 311 is an example of the "second counting section" according to the present invention.
  • the transmission unit 312 transmits the filter usage time counted by the counting unit 311 to the monitoring device 400 .
  • FIG. 5 is a diagram showing an example of the configuration of the monitoring device 400.
  • a general-purpose computer for example, is used for the monitoring device 400 .
  • Monitoring device 400 includes control unit 401 , storage unit 402 , communication unit 403 , operation unit 404 , and display unit 405 . These parts are connected via a bus.
  • Control unit 401, storage unit 402, communication unit 403, operation unit 404, and display unit 405 correspond to control unit 201, storage unit 202, second communication unit 203-2, operation unit 204, and operation unit 204 shown in FIG. It is similar to the display unit 205 .
  • the storage unit 402 stores programs for realizing the functions of the monitoring device 400 .
  • the operation unit 404 includes, for example, a keyboard and a mouse.
  • the display unit 405 includes, for example, a liquid crystal display.
  • the display section 405 is an example of the "second display section" according to the present invention.
  • the control unit 401 functions as an acquisition unit 411 and a display control unit 412. These functions are realized by the control unit 401 executing a program stored in the storage unit 402 and by the control unit 401 performing calculations or controlling each unit of the monitoring device 400 .
  • the acquisition unit 411 acquires the filter usage time of the dependent smoke sensor 100 and the independent smoke sensor 300 .
  • the display control unit 412 displays the filter usage time acquired by the acquisition unit 411 on the display unit 405 .
  • the filter 307 When the filter 307 is attached to the independent smoke sensor 300 for the first time or the filter 307 of the independent smoke sensor 300 is replaced, maintenance personnel or general users press the reset button of the independent smoke sensor 300 .
  • the reset button When the reset button is pressed, the filter usage time stored in the storage unit 302 is reset to zero.
  • the counter 311 of the stand-alone smoke sensor 300 starts counting the filter usage time when the reset button is pressed.
  • the counting unit 311 increases the filter usage time by one every month.
  • FIG. 6 is a sequence chart showing an example of an operation of displaying the filter usage time of the dependent type smoke sensor 100 on the smoke alarm panel 200 .
  • a maintenance person or a general user wants to check the filter usage time of the dependent smoke sensor 100 connected to the smoke alarm panel 200A among the plurality of smoke alarm panels 200 on the smoke alarm panel 200A.
  • step S11 the maintenance person or general user performs an operation to instruct display of the filter usage time using the operation unit 204 of the smoke alarm panel 200A.
  • FIG. 7 is a diagram showing an example of the board surface 250 of the smoke alarm board 200A.
  • the board surface 250 has an operation area 251 and a display area 255 .
  • the operation area 251 includes a selection button 252 that accepts an operation for instructing display of the filter usage time. For example, a maintenance person or a general user long-presses the selection button 252 to instruct display of the filter usage time.
  • step S12 the acquisition unit 211 of the smoke alarm panel 200A transmits a filter use time acquisition request to all dependent smoke sensors 100 connected to the smoke alarm panel 200A in response to this operation. For example, when dependent smoke sensors 100A-100C are connected to smoke alarm panel 200A, this acquisition request is sent to each of dependent smoke sensors 100A-100C.
  • step S13 upon receiving this acquisition request from the smoke alarm panel 200A, the transmission unit 112 of each dependent smoke sensor 100 reads out the filter usage time counted by the counting unit 111 from the storage unit 102, and It is transmitted to the smoke alarm panel 200A.
  • step S14 when the acquisition unit 211 of the smoke alarm panel 200A acquires the filter usage time and the identifier from the dependent smoke sensor 100, the filter usage time and the identifier are associated and stored in the storage unit 202 of the smoke alarm panel 200A. As a result, the storage unit 202 stores the filter usage time of all the dependent smoke sensors 100 connected to the smoke alarm panel 200A.
  • step S15 the display control unit 212 of the smoke alarm panel 200A reads the filter usage time from the storage unit 202 and displays it on the display unit 205.
  • the display control unit 212 displays the filter usage time for each dependent smoke sensor 100 based on the identifier associated with the filter usage time.
  • the display area 255 of the board 250 is provided with sensor areas 256 corresponding to the number of dependent smoke sensors 100 connected to the smoke alarm board 200A.
  • dependent smoke sensors 100A to 100C are connected to the smoke alarm panel 200A.
  • the display area 255 is provided with sensor areas 256-1 to 256-3 corresponding to the dependent smoke sensors 100A to 100C, respectively.
  • Each sensor area 256 includes a numeric display area 257 .
  • This numerical value display area 257 is realized by, for example, a 7-segment display.
  • Numerical value display area 257 displays the usage time of each filter of dependent type smoke sensors 100A to 100C.
  • the filter usage time of the dependent smoke sensor 100A is one month, as shown in FIG. be. From this display, maintenance personnel or general users know that the filter usage time of the dependent smoke sensor 100A is one month.
  • FIGS. 8 and 9 are sequence charts showing an example of an operation of displaying the filter usage time of the dependent smoke sensor 100 and the independent smoke sensor 300 on the monitoring device 400.
  • FIG. it is assumed that maintenance personnel or general users want to check the filter usage time of the dependent smoke sensor 100 and the independent smoke sensor 300 on the monitoring device 400 .
  • step S21 the maintenance person or general user uses the operation unit 404 of the monitoring device 400 to perform an operation to instruct display of the filter usage time.
  • FIG. 10 is a diagram showing an example of the monitoring screen 450 of the monitoring device 400.
  • FIG. This monitoring screen 450 is displayed on the display unit 405 according to the operation of a maintenance person or general user.
  • the monitoring screen 450 has an operation area 451 and a display area 455 .
  • the operation area 451 includes control buttons 452 .
  • maintenance personnel or general users use the control buttons 452 on the operation unit 404 to select the target dependent smoke sensor 100 and independent smoke sensor 300 and perform an operation to instruct display of the filter usage time.
  • step S22 the acquisition unit 411 of the monitoring device 400 determines whether the target of the operation performed in step S21 is the independent smoke sensor 300 or the dependent smoke sensor 100. For example, when the stand-alone smoke sensor 300 is selected in the operation of instructing display of the filter usage time, it is determined that the stand-alone smoke sensor 300 is the object of the operation. In this case, the process proceeds to step S23.
  • step S23 the acquisition unit 411 of the monitoring device 400 transmits a filter usage time acquisition request to the independent smoke sensor 300. For example, if independent smoke sensor 300 includes independent smoke sensors 300A and 300B, this acquisition request is sent to each of independent smoke sensors 300A and 300B.
  • step S24 upon receiving this acquisition request from the monitoring device 400, the transmission unit 312 of each independent smoke sensor 300 reads out the filter usage time counted by the counting unit 311 from the storage unit 302, and monitors it together with the identifier of its own device. Send to device 400 .
  • step S25 when the acquisition unit 411 of the monitoring device 400 receives the filter usage time and the identifier from the independent smoke sensor 300, the storage unit 402 stores the filter usage time and the identifier in association with each other. As a result, the filter usage time of all independent smoke sensors 300 is stored in the storage unit 202 .
  • step S ⁇ b>26 the display control unit 412 of the monitoring device 400 reads out the filter usage time from the storage unit 402 and displays it on the display unit 405 .
  • the display control unit 412 displays the filter usage time for each independent smoke sensor 300 based on the identifier associated with the filter usage time.
  • sensor areas 456 are displayed in the display area 455 for the number of independent smoke sensors 300 or dependent smoke sensors 100 to be operated to instruct display of the filter usage time.
  • independent smoke sensor 300 includes independent smoke sensors 300A and 300B, and independent smoke sensors 300A and 300B are to be operated.
  • display area 455 is provided with sensor areas 456-1 and 456-2 corresponding to stand-alone smoke sensors 300A and 300B, respectively.
  • Sensor areas 456-1 and 456-2 each include a numeric display area 457. FIG. This numeric display area 457 displays the filter usage time of the independent smoke sensors 300A and 300B.
  • the filter usage time of the independent smoke sensor 300A is 6 months, as shown in FIG. .
  • This usage time is an example of the "second elapsed time" according to the present invention. From this display, maintenance personnel or general users know that the filter usage time of the independent smoke sensor 300A is six months.
  • the filter usage time of the independent smoke sensor 300B is six months, as shown in FIG. be done.
  • This usage time is an example of the "second elapsed time" according to the present invention. From this display, maintenance personnel or general users know that the stand-alone smoke sensor 300B has been used for six months.
  • step S22 for example, when the dependent smoke sensor 100 connected to the smoke alarm panel 200A is selected in the operation of instructing display of the filter usage time, the dependent smoke sensor 100 is the operation target. is determined to be In this case, the process proceeds to step S31 shown in FIG.
  • step S31 the acquisition unit 411 of the monitoring device 400 transmits a filter usage time acquisition request to the smoke alarm panel 200 to which the dependent smoke sensor 100 to be operated is connected. For example, if the target of operation is the dependent smoke sensor 100 connected to the smoke alarm panel 200A, this acquisition request is sent to the smoke alarm panel 200A.
  • step S32 upon receiving an acquisition request from the monitoring device 400, the transfer unit 213 of the smoke alarm panel 200 transmits this acquisition request to the dependent smoke sensor 100 to be operated. For example, when dependent smoke sensors 100A to 100C are connected to smoke alarm panel 200A, this acquisition request is sent from smoke alarm panel 200A to each of dependent smoke sensors 100A to 100C.
  • step S33 upon receiving this acquisition request from the smoke alarm panel 200, the transmission unit 112 of each dependent smoke sensor 100 reads the filter usage time counted by the counting unit 111 from the storage unit 102, Send to smoke alarm panel 200 .
  • step S34 upon receiving the filter usage time from each dependent smoke sensor 100, the transfer unit 213 of the smoke alarm panel 200 transmits the filter usage time to the monitoring device 400.
  • step S34 proceeds to step S25 described above.
  • step S25 the filter usage time of the dependent smoke sensor 100 is stored in the storage unit 402.
  • step S26 the filter usage time of the slave type smoke sensor 100 is displayed.
  • FIG. 11 is a diagram showing an example of the monitoring screen 450.
  • the dependent smoke sensors 100A to 100C are connected to the smoke alarm panel 200A, and the dependent smoke sensors 100A to 100C are to be operated.
  • the display area 455 is provided with sensor areas 456-3 to 456-5 corresponding to the dependent smoke sensors 100A to 100C, respectively.
  • Each of the sensor areas 456-3 to 456-5 includes a numeric display area 457.
  • This numerical value display area 457 displays the usage time of each filter of the dependent type smoke sensors 100A to 100C.
  • the filter usage time of the dependent smoke sensor 100A is one month, as shown in FIG. .
  • This usage time is an example of the "first elapsed time" according to the present invention. From this display, maintenance personnel or general users know that the filter usage time of the dependent smoke sensor 100A is one month.
  • the dependent smoke sensor 100B has a filter usage time of one month, as shown in FIG. be done.
  • This usage time is an example of the "first elapsed time" according to the present invention. From this display, maintenance personnel or general users know that the filter usage time of the dependent smoke sensor 100B is one month.
  • the filter usage time of the dependent smoke sensor 100C is 12 months, as shown in FIG. be.
  • This usage time is an example of the "first elapsed time" according to the present invention. From this display, maintenance personnel or general users know that the dependent smoke sensor 100C has been used for 12 months.
  • the filter usage time of the dependent type smoke sensor 100 is displayed on the smoke alarm panel 200, maintenance personnel or general users can determine the predetermined replacement cycle of the filter 106 and the filter usage time. By comparing with , the replacement timing of the filter 106 can be known before the replacement cycle of the filter 106 elapses. For example, if the dependent smoke sensor 100A has a filter usage time of one month and the replacement cycle of the filter 106 of the dependent smoke sensor 100A is six months, it is better to replace the filter 106 after five months. I know it's good. This improves the maintainability of the dependent smoke sensor 100 .
  • the filter replacement time of the dependent smoke sensor 100 and the filter replacement time of the independent smoke sensor 300 are summarized. can grasp. As a result, in the smoke monitoring system 10 in which the dependent smoke sensor 100 and the independent smoke sensor 300 coexist, the maintainability of the dependent smoke sensor 100 and the independent smoke sensor 300 is improved.
  • the filter usage time of the dependent smoke sensor 100 or the independent smoke sensor 300 is the replacement cycle of the filter 106 of the dependent smoke sensor 100 or the replacement cycle of the filter 307 of the independent smoke sensor 300 (hereinafter referred to as (referred to as a “filter replacement cycle”)
  • the display format of the filter usage time of the dependent smoke sensor 100 or independent smoke sensor 300 may change.
  • the storage unit 202 of the smoke alarm panel 200 stores in advance the filter replacement period of each dependent smoke sensor 100 connected to the smoke alarm panel 200 .
  • the storage unit 402 of the monitoring device 400 stores in advance the filter replacement cycle of each independent smoke sensor 300 and each dependent smoke sensor 100 .
  • FIG. 12 is a diagram showing a display example of the filter usage time according to this modification.
  • the filter replacement cycle of a dependent smoke sensor 100 is 6 months, and the filter usage time of the dependent smoke sensor 100 is 7 months.
  • the filter usage time of the dependent smoke sensor 100 exceeds the filter replacement period of the dependent smoke sensor 100 .
  • the filter usage time "007" is displayed blinking together with dots in the numerical value display area 257.
  • This dot appears to the bottom right of each number. From this dot and blinking display, it can be seen that the filter usage time of this slave type smoke sensor 100 exceeds the filter replacement period.
  • the filter usage time of the dependent smoke sensor 100 and the independent smoke sensor 300 may also be displayed on the monitoring screen 450 displayed on the monitoring device 400, as in the example shown in FIG.
  • the filter usage time of the dependent smoke sensor 100 or the independent smoke sensor 300 exceeds the filter replacement period of the dependent smoke sensor 100 or the independent smoke sensor 300
  • the display format of the filter usage time is Since it changes, it can be seen that the filter usage time exceeds the filter replacement cycle.
  • the filter usage time of the dependent smoke sensor 100 or the independent smoke sensor 300 exceeds the filter replacement period of the dependent smoke sensor 100 or the independent smoke sensor 300
  • the filter usage time and the filter replacement An error code indicating that the period is exceeded may be alternately displayed at predetermined time intervals. This display also shows that the filter usage time of the dependent smoke sensor 100 or the independent smoke sensor 300 exceeds the filter replacement period.
  • the filter usage time of the dependent smoke sensor 100 or the independent smoke sensor 300 and the filter replacement period of the dependent smoke sensor 100 or the independent smoke sensor 300 are alternately displayed at predetermined time intervals. may be At this time, the filter usage time and the filter replacement period may be displayed in different display formats.
  • the storage unit 202 of the smoke alarm panel 200 stores in advance the filter replacement period of each dependent smoke sensor 100 connected to the smoke alarm panel 200 .
  • the storage unit 402 of the monitoring device 400 stores in advance the filter replacement cycle of each dependent smoke sensor 100 and each independent smoke sensor 300 .
  • FIG. 13 is a diagram showing a display example of the filter usage time according to this modification.
  • the filter replacement cycle of a dependent smoke sensor 100 is six months, and the filter usage time of the dependent smoke sensor 100 is one month.
  • the filter usage time "001" is lit and displayed continuously for a predetermined time in the numerical value display area 257.
  • FIG. After a predetermined period of time has passed, instead of the filter usage time of "001", the filter replacement cycle of "006" is lit and displayed in the numerical display area 257 together with dots for a predetermined period of time. This dot appears to the bottom right of each number.
  • the number "006” indicates the filter replacement period of the slave type smoke sensor 100.
  • FIG. After a predetermined period of time has elapsed, the filter usage time "001" is displayed again instead of the filter replacement period "006" in the numerical display area 257.
  • the filter usage time and filter replacement cycle of the dependent smoke sensor 100 and the independent smoke sensor 300 may be displayed.
  • the display of the filter usage time and the display of the filter replacement cycle may be switched by an operation.
  • the display of the filter usage time and the display of the filter replacement cycle may be switched in response to pressing of the selection button 252 or operation on the monitoring screen 450 .
  • the filter usage time of the dependent smoke sensor 100 or the independent smoke sensor 300 and the filter replacement period of the dependent smoke sensor 100 or the independent smoke sensor 300 are alternately displayed. By finding the difference between the usage time and the filter replacement period, the remaining time until the filter replacement timing can be known.
  • the filter usage time of the dependent smoke sensor 100 or the independent smoke sensor 300 is the notice time obtained by subtracting a predetermined time from the filter replacement period of the dependent smoke sensor 100 or the independent smoke sensor 300. If less, the filter usage time for that dependent smoke sensor 100 or standalone smoke sensor 300 may be displayed in the first display format.
  • the filter usage time of the dependent smoke sensor 100 or the independent smoke sensor 300 is equal to or longer than the notice time and equal to or shorter than the filter replacement period, the filter usage time of the dependent smoke sensor 100 or the independent smoke sensor 300 is the second It may be displayed in two display formats.
  • the dependent smoke sensor 100 or independent smoke sensor 300 may be displayed in a third display format.
  • the first display format, the second display format, and the third display format are different display formats.
  • Figs. 14A to 14C are diagrams showing display examples of the filter usage time according to this modification.
  • the filter replacement cycle of a certain slave type smoke sensor 100 is six months, and the predetermined time is one month.
  • the advance notice time is 5 months obtained by subtracting 1 month from 6 months. If the filter usage time of this dependent smoke sensor 100 is one month, this filter usage time is less than the advance notice time of this dependent smoke sensor 100, so the numerical display area 257 displays as shown in FIG. 14A. , the filter usage time "001" is illuminated.
  • the filter usage time of the dependent smoke sensor 100 is five months, the filter usage time is equal to or longer than the advance notice time of the dependent smoke sensor 100 and equal to or shorter than the filter replacement period, as shown in FIG. 14B.
  • the filter usage time "005" is illuminated together with dots. This dot appears to the bottom right of each number.
  • the filter usage time of the dependent smoke sensor 100 and the independent smoke sensor 300 may also be displayed on the monitoring screen 450 displayed on the monitoring device 400, as in the examples shown in FIGS. 14A to 14C.
  • the filter usage time of the stand-alone smoke sensor 300 may be displayed on the display 305 of the stand-alone smoke sensor 300 .
  • the operation unit 304 of the stand-alone smoke sensor 300 includes a filter display button that accepts an operation for instructing display of the filter usage time.
  • the filter display button is pressed by maintenance personnel or general users, the display unit 305 of the stand-alone smoke sensor 300 displays the filter usage time counted by the counting unit 311 . According to this modified example, it is possible to check the filter usage time even in individual stand-alone smoke sensors 300 .
  • stand-alone smoke sensor 300 is provided with a filter switch and a 7-segment LED.
  • the filter switch When the filter switch is pressed, the filter usage time is flashed on the 7-segment LED for a predetermined time such as 10 seconds.
  • the monitoring device 400 or the smoke alarm panel 200 may receive an operation to reset the filter usage time.
  • maintenance personnel or general users use the operation unit 404 of the monitoring device 400, for example, to select the dependent smoke sensor 100 or the independent smoke sensor 300, and perform an operation to reset the filter usage time.
  • monitoring device 400 sends a reset signal to the selected dependent smoke sensor 100 or standalone smoke sensor 300 .
  • the reset signal is sent through the smoke alarm panel 200 to which the dependent smoke sensor 100 is connected.
  • the dependent smoke sensor 100 or the independent smoke sensor 300 resets the filter usage time.
  • maintenance personnel or general users use the operation unit 204 of the smoke alarm panel 200 to select the dependent smoke sensor 100 connected to the smoke alarm panel 200 and perform an operation to reset the filter usage time. .
  • the smoke alarm panel 200 sends a reset signal to the selected slave smoke sensor 100 .
  • the dependent smoke sensor 100 resets the filter usage time.
  • maintenance personnel or general users can use the monitoring device 400 or the smoke alarm panel 200 to install the dependent smoke sensor 100 or the independent smoke sensor 300 without moving to the installation site.
  • the filter usage time of smoke sensor 100 or standalone smoke sensor 300 can be reset.
  • the filter replacement period may be the same for all, or may differ depending on factors such as the models and installation locations of the dependent smoke sensor 100 and the independent smoke sensor 300 .
  • the filter replacement interval may be shorter than the reference replacement interval.
  • the filter replacement cycle may be shorter than the reference replacement cycle.
  • the filter replacement period may be changed, for example, according to an operation on the panel surface 250 of the smoke alarm panel 200 or an operation on the monitoring screen 450, or the smoke alarm panel 200 or the monitoring device 400 may be changed without such an operation.
  • the optimum filter replacement period for each dependent smoke sensor 100 and independent smoke sensor 300 may be determined by machine learning the data of . According to this modification, the filter replacement period can be made suitable for each dependent smoke sensor 100 and independent smoke sensor 300 .
  • the configuration of the smoke monitoring system 10 is not limited to the example described above.
  • Smoke monitoring system 10 may be configured to include one or more of the devices described above, or may be configured to omit certain devices.
  • the entity having the functions of the smoke monitoring system 10 is not limited to the examples described above.
  • the smoke alarm panel 200 may have the counter 111 in place of the dependent smoke sensor 100 . In this case, when the reset switch of the dependent smoke sensor 100 is pressed, the dependent smoke sensor 100 transmits a reset signal to the smoke alarm panel 200 . Upon receiving the reset signal from the dependent smoke sensor 100, the smoke alarm panel 200 resets the filter usage time of the dependent smoke sensor 100 and starts counting the filter usage time.
  • monitoring device 400 may have counting section 311 .
  • stand-alone smoke sensor 300 when the reset switch of stand-alone smoke sensor 300 is pressed, stand-alone smoke sensor 300 sends a reset signal to monitoring device 400 .
  • the monitoring device 400 Upon receiving the reset signal from the independent smoke sensor 300, the monitoring device 400 resets the filter usage time of the independent smoke sensor 300 and starts counting the filter usage time.
  • the operation of the smoke monitoring system 10 is not limited to the examples described above.
  • the procedure of the smoke monitoring system 10 may be permuted as long as there is no conflict. Also, some processing procedures of the smoke monitoring system 10 may be omitted.
  • Modification 9 Another aspect of the invention provides a method comprising steps of processing performed in a smoke monitoring system 10, a dependent smoke sensor 100, a smoke alarm panel 200, a standalone smoke sensor 300, and/or a monitor 400. You may Yet another aspect of the invention may provide a program for execution on the dependent smoke sensor 100 , the smoke alarm panel 200 , the standalone smoke sensor 300 , or the monitoring device 400 . This program may be provided by being stored in a computer-readable recording medium, or may be provided by downloading via the Internet or the like.
  • the configuration of the board surface 250 of the smoke alarm board 200A is not limited to the example shown in FIG.
  • the board 250 may have any configuration as long as it displays the filter usage time of the dependent smoke sensor 100 .
  • This configuration includes colors, layouts, shapes, components, and screen transitions.
  • the configuration of the monitoring screen 450 is not limited to the examples shown in FIGS. 10 and 11.
  • FIG. The monitor screen 450 may have any configuration as long as it displays the filter usage time of the dependent smoke sensor 100 and the independent smoke sensor 300 .
  • monitoring device 400 may be used as a configuration tool.
  • the monitoring device 400 connects a third signal line different from the first signal line 500 and the second signal line 510 to the device to be operated among the dependent smoke sensor 100, the smoke alarm panel 200, and the independent smoke sensor 300. Individually connected via signal lines.
  • the third signal line is, for example, a computer network based on the USB (Universal Serial Bus) standard.
  • the monitoring device 400 also has a setting tool mode. After transitioning to the setting tool mode, the monitoring device 400 controls devices to be operated in response to operations by maintenance personnel. This control includes resetting or acquiring the filter usage time and changing the filter replacement cycle.
  • the monitoring screen 450 of the monitoring device 400 may display a history of events occurring in the dependent smoke sensor 100 and the independent smoke sensor 300 .
  • the history of this event includes filter usage time.
  • the monitoring screen 450 of the monitoring device 400 may display only the filter usage time history among the event histories that occurred in the dependent smoke sensor 100 and the independent smoke sensor 300 .
  • FIG. 15 is a diagram showing an example of a monitor screen 450 according to this modification.
  • a tab item 458 of "Display side by side” and a tab item 459 of "Event History” are displayed.
  • a monitoring screen 450 shown in FIG. 10 or 11 is displayed.
  • a monitoring screen 450 shown in FIG. 15 is displayed.
  • FIG. 15 when an operation is performed to select the tab item 459 "event history", an event list is displayed in the display area 455 of the monitoring screen 450.
  • the event list includes the event occurrence time, the identifier of the dependent smoke sensor 100 or independent smoke sensor 300 in which the event occurred, and the content of the event.
  • This event contains filter usage time updates. For example, when the filter usage time counted by the counting unit 111 of the dependent smoke sensor 100A reaches 1 month at 12:00 on March 1, 20XX, the event list includes the following as shown in FIG. , "20XX/03/01 12:00", the identifier of the dependent smoke sensor 100A, and the filter usage time "001" are displayed in association with each other.
  • the event list shows , the occurrence time of "20XX/03/01 12:00", the identifier of the dependent smoke sensor 100B, and the filter usage time of "001" are displayed in association with each other.
  • the event list shows as shown in FIG. , "20XX/03/01 12:00”, the identifier of the dependent smoke sensor 100C, and the filter usage time "012" are displayed in association with each other. Maintenance personnel or general users can also understand the filter usage time of the dependent type smoke sensor 100 and the independent type smoke sensor 300 from this display.
  • the devices constituting the smoke monitoring system 10 such as the monitoring device 400, the smoke alarm panel 200, the independent smoke sensor 300, etc.
  • the content for example, the individual filter replacement cycle of the dependent smoke sensor 100 or the independent smoke sensor 300
  • the change information is transmitted to other devices to match the common storage content. You may do so.

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  • Business, Economics & Management (AREA)
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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Fire Alarms (AREA)
PCT/JP2022/007684 2021-03-01 2022-02-24 煙監視システム及び煙センサ WO2022186052A1 (ja)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62179016U (enrdf_load_stackoverflow) * 1986-05-06 1987-11-13
JPH11147016A (ja) * 1997-11-14 1999-06-02 Nohmi Bosai Ltd エアフィルタ点検方法およびその構成
JP2007286799A (ja) * 2006-04-14 2007-11-01 Nohmi Bosai Ltd 火災受信機
JP2011215685A (ja) * 2010-03-31 2011-10-27 Nohmi Bosai Ltd 煙感知器
JP2019122733A (ja) * 2018-01-19 2019-07-25 Ｄｇｓｈａｐｅ株式会社 切削加工システム
JP2020042420A (ja) * 2018-09-07 2020-03-19 株式会社牧野フライス製作所 工作機械の制御装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62179016U (enrdf_load_stackoverflow) * 1986-05-06 1987-11-13
JPH11147016A (ja) * 1997-11-14 1999-06-02 Nohmi Bosai Ltd エアフィルタ点検方法およびその構成
JP2007286799A (ja) * 2006-04-14 2007-11-01 Nohmi Bosai Ltd 火災受信機
JP2011215685A (ja) * 2010-03-31 2011-10-27 Nohmi Bosai Ltd 煙感知器
JP2019122733A (ja) * 2018-01-19 2019-07-25 Ｄｇｓｈａｐｅ株式会社 切削加工システム
JP2020042420A (ja) * 2018-09-07 2020-03-19 株式会社牧野フライス製作所 工作機械の制御装置

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