EP0279864B1 - Installation permettant de prevenir les incendies et sinistres similaires - Google Patents
Installation permettant de prevenir les incendies et sinistres similaires Download PDFInfo
- Publication number
- EP0279864B1 EP0279864B1 EP87905787A EP87905787A EP0279864B1 EP 0279864 B1 EP0279864 B1 EP 0279864B1 EP 87905787 A EP87905787 A EP 87905787A EP 87905787 A EP87905787 A EP 87905787A EP 0279864 B1 EP0279864 B1 EP 0279864B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- control
- fire
- terminal
- control panel
- terminal units
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
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Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B26/00—Alarm systems in which substations are interrogated in succession by a central station
- G08B26/001—Alarm systems in which substations are interrogated in succession by a central station with individual interrogation of substations connected in parallel
Definitions
- the invention relates to a fire protection system comprising a control panel to which first terminal units comprising an abnormality sensor such as a fire detector or a gas sensor and second terminal units comprising disaster protection devices such as a fire or emergency door, a smoke control orventing device, or a fire extinguishing system are connected, in which system the state of the terminal units is subsequently determinated and analyzed from the control panel by a polling method and control command signals are delivered to the second terminal units from the control panel according to the state information received in the control panel from said first and second terminal units.
- an abnormality sensor such as a fire detector or a gas sensor
- disaster protection devices such as a fire or emergency door, a smoke control orventing device, or a fire extinguishing system
- Afire protection system of this kind is known from FR-A-2 319 166.
- This prior art system employs the polling method which causes the fire control panel to circularly call the terminal units in order and to read from each of the called terminal units the state information (presence or absence of an abnormality signal from an abnormality sensor, or ON/OFF of the control circuits for devices to be controlled) or to control the called terminal units.
- the above terminal units may be slave units to which are connected abnormality sensors (fire detectors, gas sensors etc.) and/or devices to be controlled (fire doors, smoke control devices, smoke venting devices, fire extinguishing systems etc.).
- abnormality sensors fire detectors, gas sensors etc.
- devices to be controlled fire doors, smoke control devices, smoke venting devices, fire extinguishing systems etc.
- the terminal units to be controlled and the time needed for the control are stored in advance in memory means such as ROM's in the fire control panel so that the fire control panel may control the appropriate terminal units on the basis of the data stored in the memory means in case of an abnormality, such as a fire or a gas leak.
- the fire control panel sends a control start command to the terminal unit to be controlled and causes the control circuit in said terminal unit to operate.
- the present invention was made in view of these problems involved in conventional fire protection systems, and with the objective of creating a fire protection system such as a fire alarm system using the polling method which reduces the workload of the fire control panel when controlling the terminal units, and which may easily be adapted to changes of the devices to be controlled.
- the second terminal units comprise control circuits equipped with timer means wherein the timer means are triggered by said control command signals and are generating an output signal for a predetermined individual time for operating the control circuit of the respective second terminal unit during said predetermined time.
- FIG 1 is a block diagram showing an embodiment of the present invention.
- a fire control panel 10 is connected with slave units C 1, C 2, C n. While devices other than the slave units C 1 - C n may also be connected as terminal units, the slave units alone are shown in Figure 1 as example.
- the fire control panel 10 is equipped with a CPU 11 for overall control, an operating part 12, an interface 13, a serial/parallel conversion circuit 14 converting serial data into parallel data (or vice versa), a signal transmission/receiving circuit 15 for signal transmission or receiving, an indication part 16 for indicating predetermined data, and an interface 17.
- the fire control panel 10 is also equipped with a ROM 1, a ROM 2, a ROM 3, a ROM 4, a ROM 5, a RAM 1, a RAM 2, a RAM 3, a RAM 4, and a RAM 5 which store the system program, the address classification map, the program for analyzing state information, the control program, the program for analyzing the control results, the polling address, the command codes, the terminal numbers and classifications of the terminal units to which the control state commands need to be sent, the terminal numbers and classifications of the terminal units ti which the reset commands need to be sent, the terminal numbers and classifications of the terminal units which need to be checked for proper control, respectively, and with a RAM 6 for working.
- FIG. 2 is a block diagram showing a practical example of the slave unit C 1.
- the slave units C 2 - C n too, have the same composition as that of slave unit C 1.
- the slave unit C 1 is equipped with a circuit 61 which detects the fire signal from a fire detector DE, with a control circuit 62 which controls an electric lock C of a fire door, a control timer TM 1 for the fire door control circuit 62, a control circuit 63 which controls the forward/reverse rotation of a motor M for a fire shutter, a timer TM 2 which controls the forward rotation time of the motor M, a timer TM 3 which controls the reverse rotation time of the motor M, a control circuit 64 which controls the forward/reverse rotation of a motor DM for a smoke venting damper, a timer TM 4 which controls the forward rotation of the motor DM, and a timer TM 5 which controls the reverse rotation of the motor DM.
- the timers TM 1 - TM 5 have their operating times set for the intended controls, for example, TM 1 has an operating time of 5 seconds, TM 2 of 60 seconds, TM 3 of 90 seconds, and both TM 4 and TM 5 have 20 seconds.
- the fire door control circuit 62, the fire shutter control circuit 63, and the smoke venting dampercon- trol circuit 64 are shown as examples of control circuits which control the terminal units themselves or devices connected with and controlled by the terminal units.
- the fire door, the fire shutter, and the smoke venting damper are shown as examples of controlled devices.
- the timers TM 1 - TM 5 are shown as examples of the timer means which are triggered by the control command signal from the fire control panel and generate an output for a predetermined length of time.
- the output time of the timer means is adjustable.
- FIG. 3 is a flowchart showing the operation of the fire control panel 10.
- a terminal number n (a terminal unit number, i.e. a polling address) is incremented by 1 (S 2) and referred to the terminal numbers and classifications stored in the RAM 3 - RAM 5, with respect to the terminal units to which the control start command, the reset command, and the command for checking the controls need to be sent. If there is the terminal number n in one of the RAM 3 - RAM 5, a corresponding command code is prepared. In the absence of the terminal number n in any of them, a command code requesting a state information is prepared (S 3). Then, the address code and the command code prepared in step S 3 are sent to the terminal unit (S4).
- S 1 a terminal unit number, i.e. a polling address
- the state information is analyzed by the analyzing program stored in ROM 3 and indicated by indicator 16 (S 8).
- the classification (classification of the control device) and the number n of the terminal unit are stored in the RAM 3 (S 12). If it is necessary to reset the controlled device (S 13), the classification and the terminal number n of the controlled device are stored in the RAM 4 (S 14). If it is required to know a result of the control (S 15), the classification and the terminal number n of the device to which the command for checking the control applies is stored in the RAM 5 (S 16).
- FIG. 4 is a flowchart showing the operation of the slave unit C 1.
- the initial value is set (S 31). If there is a return signal through the signal line (S 32), and yet the polling terminal number (address) in the return signal matches the terminal number stored in ROM 2 (S 33), the state information is stored (S 34).
- the state information includes data indicating whether or not there is a fire signal from the fire signal detecting circuit 61 and the ON/OFF state of each of the control circuit 62, 63, 64 for the fire door, the fire shutter, and for thesmoke venting damper, respectively.
- the command code in the return signal received from the fire control panel 10 is decoded. If this command code is a control command (S 35) and yet a control start command (S 41), the timers TM 1, TM 2, TM 4 are triggered (S 42) to send the state information of the detecting circuit 61 and the control circuits 62 - 64 which had previously been read and stored at step S 34 to the fire control panel 10 (S 43). With the outputs of the timers TM 1, TM 2, TM 4 the control circuits 62 - 64 are operated for a predetermined time to close the fire door and the fire shutter, and to open the smoke venting damper, resp.
- the control command is a reset command (S 51)
- the timers TM 3, TM 5 are triggered (S 52) to send the state information which has already been read and stored at step S 34 to the fire control panel 10 (S 43).
- the control circuits 63, 64 are operated for the predetermined time to open the fire shutter and to close the smoke venting damper, respectively.
- the received command code is not a control command (S 35) but a request from the fire control panel 10 for information on results of the controls (S 61)
- the control results of the controlled devices (Information as to open/close of the fire door, the fire shutter, and the smoke venting damper) are read from the respective control circuits (S 62), and the information on the control results and the state information stored at step S 34 are sent to the fire control panel 10 (S 63).
- information on results of the controls is given with respect to those controlled devices which need to be checked for their proper controls, while state information of the control circuits is given with respect to those controlled devices which need not to be checked for their controls
- the operation of the slave unit returns to step S 32.
- each of the control circuits in the terminal units is provided with a control timer which is triggered by the command from the fire control panel and generates an output signal to the control circuit in the terminal unit for a predetermined length of time (Time needed for control).
- a control timer which is triggered by the command from the fire control panel and generates an output signal to the control circuit in the terminal unit for a predetermined length of time (Time needed for control).
- control timers which control the operating time of the control circuits, it is possible to perform precise control of the control devices and to control each terminal unit within the optimum length of time, and consequently the power consumption for control can be reduced.
- Figure 5 shows an example of the timers TM 1 - TM 5, the output time of which can optionally be changed by means of the dip switches, thus they can be adapted to devices of the same kind which have different control times (timer output times).
- Figure 6 is a time chart showing the operation of the timers shown in Figure 5. This time chart shows a case where an 8-bit binary counter with preset priority function is used.
- the time T of the timer output (output of the OR circuit) is given by the following formula:
- the length of the output time of the timer is variable within a range of 1 second - 255 seconds.
- the numerical value indicated on the counter at the time of turning on the power supply is set to zero by the power-on reset signal immediately after the power-on, and the output of the OR circuit reaches the L level, causing the counter to clear itself through the AND circuit and to lock in the cleared state.
- the counter is released from the cleared state when the start pulse is applied, and the ON/OFF state of the dip switches S 0 - S 7 is preset in the counter. After this, the counter keeps counting and again returns to and locks in the cleared state when overflowed (the output of all of Q 0 - Q 7 reached the H level). Thus, the output of the OR circuit remains at the H level for the above T seconds, and consequently the counter circuit fulfills the function of the timer.
- the start pulse is generated by the terminal unit CPU 50 upon receipt of the reset command from the fire control panel and sent to the timer through I/F.
- the present invention has such effects that the workload of the fire control panel when controlling the terminal units in a fire protection system using the polling method is reduced, and the work required for changes of devices to be controlled is readily performed.
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Alarm Systems (AREA)
- Fire Alarms (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
Claims (3)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP210469/86 | 1986-09-05 | ||
JP61210469A JPH0783775B2 (ja) | 1986-09-05 | 1986-09-05 | 防災設備 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0279864A1 EP0279864A1 (fr) | 1988-08-31 |
EP0279864A4 EP0279864A4 (fr) | 1989-09-11 |
EP0279864B1 true EP0279864B1 (fr) | 1992-07-08 |
Family
ID=16589852
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP87905787A Expired - Lifetime EP0279864B1 (fr) | 1986-09-05 | 1987-09-02 | Installation permettant de prevenir les incendies et sinistres similaires |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0279864B1 (fr) |
JP (1) | JPH0783775B2 (fr) |
DE (1) | DE3780294T2 (fr) |
WO (1) | WO1988001521A1 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5350019A (en) * | 1986-09-05 | 1994-09-27 | Nohmi Bosai Kogyo Kabushiki Kaisha | Fire protection system |
EP0587899B1 (fr) * | 1992-02-04 | 2001-10-31 | Nohmi Bosai Ltd. | Alarme d'incendie |
JP3140531B2 (ja) * | 1992-02-04 | 2001-03-05 | 能美防災株式会社 | 火災報知設備 |
JP3439507B2 (ja) * | 1993-10-26 | 2003-08-25 | 能美防災株式会社 | 火災報知設備 |
CN103191539B (zh) * | 2013-03-07 | 2015-06-17 | 上海松江飞繁电子有限公司 | 一种有关消防联动设备的多线控制装置及方法 |
EP3010000B1 (fr) | 2014-10-17 | 2017-09-27 | Siemens Schweiz AG | Système de commande de dispositifs actionnés de sécurité |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2533354C3 (de) * | 1975-07-25 | 1979-08-30 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Einrichtung zum Übertragen von Steuerbefehlen in einem Brandschutzsystem |
JPS6138600Y2 (fr) * | 1979-01-27 | 1986-11-07 | ||
JPS5683895U (fr) * | 1979-12-01 | 1981-07-06 | ||
JPS6092383U (ja) * | 1983-11-30 | 1985-06-24 | セコム株式会社 | 集中遠隔監視システム |
JPH06116396A (ja) * | 1992-10-02 | 1994-04-26 | Kanebo Ltd | 繊維とフェノール系樹脂とからなる複合構造体の製造方法 |
-
1986
- 1986-09-05 JP JP61210469A patent/JPH0783775B2/ja not_active Expired - Fee Related
-
1987
- 1987-09-02 WO PCT/JP1987/000654 patent/WO1988001521A1/fr active IP Right Grant
- 1987-09-02 EP EP87905787A patent/EP0279864B1/fr not_active Expired - Lifetime
- 1987-09-02 DE DE19873780294 patent/DE3780294T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE3780294D1 (de) | 1992-08-13 |
JPH0783775B2 (ja) | 1995-09-13 |
JPS6365879A (ja) | 1988-03-24 |
EP0279864A4 (fr) | 1989-09-11 |
DE3780294T2 (de) | 1992-12-17 |
WO1988001521A1 (fr) | 1988-03-10 |
EP0279864A1 (fr) | 1988-08-31 |
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