JP7237742B2 - Fire protection equipment control system and fire protection signal transmission method - Google Patents

Description

The present invention provides a fire door, sliding door, sheet-like, or shutter-like door for partitioning openings of buildings such as buildings, factories, warehouses, large rooms, passages, hall spaces, underground malls, multi-story parking facilities, and other structures. The present invention relates to a fire prevention equipment control system and a fire prevention signal transmission method that automatically closes a passage hall space inside a building using a shielding member such as a screen-shaped, slat-shaped or panel-shaped fireproof shutter such as a fireproof cloth, especially a shielding member. The present invention relates to a fire prevention equipment control system and a fire prevention signal transmission method capable of reliably executing an automatic closing operation in an emergency.

In general, fire shutters, fire doors, and other shielding materials that automatically close when a fire breaks out are used in passages inside buildings with large floor areas to prevent the spread of fire and the spread of smoke. Fire prevention equipment that operates to form a three-dimensionally enclosed space, that is, a fire prevention compartment together with pillars, walls, ceilings, floors, etc. A control system is provided.

In conventional fire prevention equipment control systems, when fire doors and fire shutters that can be closed at any time are used in the fire prevention compartments of a building, thermal fuses are used to keep the fire doors and fire shutters open. In the event of a fire, the thermal fuse melts due to the heat of the fire, releasing the fire doors and fire shutters from the thermal fuse and releasing the hold. was descending.

However, if a fire door or fire shutter with a thermal fuse device is used in a pit section or a section with different uses, the smoke generated by the fire will be released from the staircase, atrium, elevator shaft, and escalator before the thermal fuse is activated. If the smoke spreads over the air, people evacuating may breathe in harmful smoke, which may hinder their evacuation.

For fire doors and fire shutters installed in existing buildings, replace thermal fuses with smoke detectors, etc., and install smoke detectors, relays, interlocking relays for harm prevention (fire shutters only), and automatic closing devices. , these devices are connected and controlled by signal transmission wires inside the building.
Patent Literature 1 describes a configuration in which a single repeater is used to operate many fire prevention equipment (a plurality of fire prevention shutters) at the same time.

Japanese Patent Application Laid-Open No. 2007-244607

The one described in Patent Document 1 is configured to simultaneously control a plurality of fire shutters connected to a repeater via electric wires.
When installing fireproof shutters in large-scale warehouses and other places with a large floor space, install multiple smoke detectors to detect the occurrence of smoke as a means of detecting abnormal situations in response to fire outbreaks in each section. Repeaters were also provided in each compartment, and the actuation of all fire shutters was controlled by transmitting signals from the sensing means through the repeaters to a central receiver.

However, if the smoke sensor, which is the sensing means, shorts due to the occurrence of a fire or the like, there is a possibility that all the fire shutters will not operate. Therefore, a disconnector is provided between the repeater and the receiver, and when the sensing means is short-circuited, the disconnector is used to disconnect only the repeater connected to the short-circuited sensing means from the central receiver. . This makes it possible for the receiver to operate the fire shutters installed in the compartments other than the compartment where the disconnector has been activated. On the other hand, since the fire shutter in the section whose operation was controlled by the repeater disconnected by the disconnecting switch does not automatically close thereafter, it becomes difficult to effectively prevent the spread of fire by the fire shutter in that section.
Furthermore, if the signal transmission wires laid in the building to transmit the fire prevention signal from the receiver are cut by flames during a fire, the fire prevention signal itself cannot be transmitted, and as a result, the fire prevention signal cannot be received. There may be interlocking repeaters that cannot be made and it may be difficult to create a fire compartment.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned points, and is capable of transmitting a fire protection signal without using a repeater to a fire protection equipment that cannot transmit a fire protection signal, thereby forming a fire protection compartment. To provide a fire prevention equipment control system and a fire prevention signal transmission method capable of

A first feature of the fire prevention equipment control system according to the present invention is that it is provided in a building, and according to the input of the closing instruction signal output from the receiver, the space in the building is partitioned with a shielding member, so that the a plurality of fire protection compartment forming means for forming a plurality of fire protection compartments; a plurality of sensing means provided in each of the plurality of fire protection compartments for sensing an abnormal situation corresponding to the occurrence of a fire and outputting a sensing signal; a plurality of relay means respectively connected to a plurality of sensing means in the fire protection compartment, outputting the sensing signal to the receiver and outputting the closing instruction signal to the fire protection compartment forming means; and the plurality of relay means. disconnecting means provided between the receiver and electrically disconnecting the relay means connected to the sensing means in which the abnormality is detected from the receiver when the sensing means detects an abnormality; A fire protection compartment in which the closing instruction signal cannot be input via the relay means by bidirectionally connecting the adjacent ones of the plurality of fire protection compartment forming means for forming the predetermined fire protection compartment. and first signaling means configured to communicate said closure indication signal via said bi-directional connection to forming means.

The sensing means senses an abnormal situation corresponding to the occurrence of a fire and outputs a sensing signal. The fireproof partition forming means are provided at a plurality of locations in the building, and form predetermined fireproof partitions in the building in response to the input of a closing instruction signal in the event of a fire. Shielding members such as fire doors correspond, and in addition to this, shielding members for fire prevention that are extended by a descending method, a rotating method, a horizontal pulling method, a folding method, a horizontal method, an ascending method, etc. In the case of a fire door, it is stored in a storage part provided on the side of the periphery of the opening of the building. It stops by coming into contact with a doorstop provided on the (ceiling) side or the lower (floor) side, and partitions a part of the building opening. In some cases, the fire door is also provided with a fire shutter device that partitions (closes) the remaining portion of the opening that is not partitioned by the fire door. Normally, a fire door is restrained by an engaging member in a storage part such as a door pocket. The mating member is disengaged and configured to initiate a closing motion. These fire protection compartment forming means are provided at a plurality of locations in the building.

A receiver is connected to the relay means along with a plurality of sensing means provided in the fire compartment. The relay means inputs a sensing signal from the sensing means, transmits it to the receiver, and outputs a closing instruction signal to the plurality of fire protection compartment forming means according to the input of the sensing signal. If any one or more of the plurality of sensing means are short-circuited at the time of fire, or if an abnormality in the relay means due to disconnection or noise, or an abnormality between the sensing means and the relay means is detected, the relay means and the receiver Disconnecting means provided between and electrically disconnects the two. Even in the fire prevention equipment control system having such a configuration, if the wire for signal transmission is broken by flames during a fire, the fire prevention signal itself cannot be transmitted. Therefore, in the present invention, the first signal transmission means is configured to bi-directionally connect the adjacent fire protection compartment forming means so that the fire protection compartment forming means cannot transmit the closing instruction signal. However, the closing instruction signal is transmitted between the fire protection compartment forming means without using the relay means, and the fire protection compartment can be formed.

A second feature of the fire protection facility control system according to the present invention is the fire protection facility control system according to the first feature, wherein the first signal transmission means comprises a plurality of fire protection sections for forming a predetermined fire protection section. To bi-directionally connect adjacent partition forming means in a daisy-chain fashion.
This is because it may be difficult to form a predetermined fireproof compartment only by bi-directionally connecting adjacent fireproof compartment forming means. If a closing instruction signal is transmitted to at least one of the interlock relays for safety prevention that are bidirectionally connected in a daisy-chain fashion by bidirectionally connecting adjacent ones of the fire protection compartment forming means, the daisy-chaining is established. A closing instruction signal is transmitted to all of the interlocking relays for harm prevention, which are bidirectionally connected in the same manner, so that a predetermined fireproof compartment can be formed.

A third feature of the fire prevention facility control system according to the present invention is that, in the fire prevention facility control system according to the first or second feature, even if the relay means is separated from the receiver by the disconnecting means, A second signal transmitting means configured to transmit a closing instruction signal output from the receiver to a fire compartment forming means connected to a relay means separated from the receiver. It is in.
If any one or more of the plurality of sensing means detects an abnormality due to a short circuit, disconnection, noise, etc. at the time of fire occurrence, the disconnecting means provided between the relay means and the receiver electrically disconnects the two. It has become. In this invention, the second signal transmission means is provided for transmitting the closing instruction signal output from the receiver to each of the plurality of fire protection compartment forming means without using the relay means. Even when the relay means is physically separated, the closing instruction signal from the receiver is directly transmitted to the fire protection compartment forming means connected to the separated relay means. As a result, it is possible to operate the fire protection equipment (fire protection compartment forming devices such as fire protection shutters, fire doors, etc.) in the compartment separated by the disconnecting means without using the intermediary means. Even if a part of the second signal transmission wire for transmitting the closing instruction signal to the plurality of fire protection compartment forming means is broken due to flames during a fire, any of the harm prevention interlock relays connected in both directions Since the crab closing instruction signal is transmitted via the second signal transmission means, a predetermined fire protection compartment can be created.

A first feature of the fire prevention signal transmission method according to the present invention is provided in a building, and by partitioning the space in the building with a shielding member according to the input of the closing instruction signal output from the receiver, a plurality of fire protection compartment forming means for forming a plurality of fire protection compartments; a plurality of sensing means provided in each of the plurality of fire protection compartments for sensing an abnormal situation corresponding to the occurrence of a fire and outputting a sensing signal; and a plurality of relay means respectively connected to a plurality of sensing means in the fire protection compartment, outputting the sensing signal to the receiver and outputting the closing instruction signal to the fire protection compartment forming means. In the fire prevention signal transmission method of (1), by bidirectionally connecting a plurality of adjacent fire prevention division forming means for forming a predetermined fire prevention division with each of the first signal transmission means, the above fire prevention signal transmission method is performed through the relay means. The closing instruction signal is transmitted via the first signal transmission means to the fire protection compartment forming means in a state in which the closing instruction signal cannot be input.
This is the invention of the fire prevention signal transmission method corresponding to the first feature of the fire prevention equipment control system.

A second feature of the fire protection signal transmission method according to the present invention is the fire protection signal transmission method according to the first feature, wherein the first signal transmission means comprises a plurality of fire protection blocks for forming a predetermined fire protection compartment. To bi-directionally connect adjacent partition forming means in a daisy-chain fashion.
This is an invention of a fire prevention signal transmission method corresponding to the second feature of the fire prevention equipment control system.

A third feature of the fire prevention signal transmission method according to the present invention is that, in the fire prevention signal transmission method according to the first or second feature, when the sensing means detects an abnormality, the sensing means detects that an abnormality has been detected. Even if the relay means to which the means is connected is electrically disconnected from the receiver, the fire protection compartment forming means connected to the relay means disconnected from the receiver will receive a signal through the relay means. First, the closing instruction signal output from the receiver is transmitted through second signal transmission means for directly transmitting the closing instruction signal output from the receiver.
This is the invention of the fire prevention signal transmission method corresponding to the third feature of the fire prevention equipment control system.

According to the fire prevention equipment control system and the fire prevention signal transmission method of the present invention, a fire prevention signal is transmitted without using a repeater to a fire prevention equipment that cannot transmit a fire prevention signal, thereby forming a fire prevention compartment. has the effect of being able to

1 is a diagram showing a schematic configuration of a three-story building in which a fire prevention equipment control system of the present invention is installed; FIG. BRIEF DESCRIPTION OF THE DRAWINGS It is a figure which shows schematic structure of the fire prevention shutter apparatus which comprises the fire prevention equipment control system which concerns on this invention, and a fire door. FIG. 3 is a diagram showing an example of how the fire prevention equipment control system is arranged in a building space by the fire prevention shutter device and the fire door shown in FIG. 2 ; It is a figure which shows the connection relationship of each interlocking repeater for harm prevention of FIG. It is a figure which shows the modification of the connection relationship of each interlocking repeater for harm prevention of FIG. It is a flowchart figure which shows an example of the automatic closing process of a fire shutter apparatus and a fire door.

DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of a fire prevention equipment control system according to the present invention will be described below with reference to the accompanying drawings. In this embodiment, a group of shutter devices that are controlled to be opened and closed vertically will be described as an example of the opening/closing member means. FIG. 1 is a diagram showing a schematic configuration of a three-story building in which the fire prevention equipment control system of the present invention is installed. FIG. 2 is a diagram showing a schematic configuration of a fire shutter device and a fire door that constitute the fire prevention equipment control system according to the present invention. In the fire prevention facility control system according to the present invention, a plurality of fire prevention shutter devices and fire doors as shown in FIG. 2 are provided on each floor. In some cases, a plurality of fire shutter devices or fire doors alone are provided.

Since the fire shutter devices 11, 21, 32 and the fire doors 12, 22, 32 shown in FIG. 1 have the same configuration, the configuration of the fire shutter device 11 and the fire door 12 provided on the first floor will be explained in FIG. FIG. 1 shows only one fire shutter device 11, 21, 32, one fire door 12, 22, 32 and one smoke sensor 13, 23, 33 provided on each floor having different fire protection compartments. In practice, each floor is equipped with multiple fire shutter devices, fire doors and smoke detectors.

The fireproof shutter device 11 basically comprises an opener 110, a brake 111, an automatic closing device 112, a shutter curtain 114, guide rails 115 and 116, a harm prevention interlock relay 118, an electric manual closing device 119, and a seat plate switch 11a. etc. The fire shutter device 11 is normally placed in an open state in which the opening/closing device 110 winds the shutter curtain 114 around a winding shaft (not shown) and is stored in a storage section provided above the peripheral edge of the opening. be. As another example, the shutter curtain 114 may be closed without being wound up, and the shutter curtain 114 may be stored in a storage section to be opened in the event of a fire or the like. The open state of the fire shutter device 11 is maintained by being mechanically held by the brake 111 .

In the event of a fire, the automatic closing device 112 receives a fire prevention signal BS and an electric manual closing device 119 (including an emergency shutter closing button) input through the relay 41 and the interlocking relay 118 for harm prevention. In response to the closing instruction signal input via the interlocking relay 118 for shutter opening, the brake 111 is released from holding the open state, and the shutter curtain 114 is lowered by its own weight to extend from the storage section, thereby closing the opening. It is intended to be closed or partitioned to form a defined fire protection compartment. The fire prevention signal BS is output from the smoke detector 13 installed on each floor that senses smoke as an abnormal situation corresponding to the occurrence of a fire. It is input to the automatic closing device 112 as an instruction signal.

Smoke detectors 13, 23, 33, fire shutter devices 11, 21, 31, fire doors 12, 22, 32, repeaters 41, 42, 43, and disconnectors 51, 52, 53, etc. depend on the internal structure and installation environment of the building. For example, they may be provided at a plurality of locations. Also, a plurality of smoke sensors may be provided on each floor, and the plurality of smoke sensors may be connected to respective repeaters. In this case, the repeater may output a number of fire prevention signals corresponding to the detection of a plurality of fire prevention signals BS when one or more of the plurality of smoke detectors or the like senses. This makes it possible to grasp the time and place of which smoke detector sensed. Also, the repeater may output a single fire prevention signal BS when one or more of the plurality of smoke detectors or the like sense.

The repeaters 41, 42, 43 are connected to the smoke detectors 13, 23, 33 of each section and connected to the receiver 70 of the disaster control center via the disconnectors 51, 52, 53. When the relays 41, 42, 43 receive or receive the fire signal BS from the smoke detectors 13, 23, 33, the relays 41, 42, 43 operate the fire shutter devices 11, 21, 31 and the fire doors 12, 22 based on the fire signal BS. , 32 to the safety interlock relays 118 , 218 , 318 . Similarly, when the relays 41, 42, and 43 receive the fire prevention signal BS from the receiver 70 through the disconnecting switches 51, 52, and 53, the fire prevention shutter device 11 is operated based on the fire prevention signal BS. , 21, 31 and the fire doors 12, 22, 32 are transmitted to the interlock relays 118, 218, 318 for safety.

The disconnectors 51, 52, 53 disconnect the lines between the repeaters 41, 42, 43 and the receiver 70 when any one of the smoke detectors 13, 23, 33 is short-circuited, and the effect of the short-circuit is reduced. This is to prevent it from reaching outside fire compartments (repeaters). Circuit breakers (breakers) are used for the disconnectors 51, 52, 53, and any one of the smoke sensors 13, 23, 33 is short-circuited, and an abnormal overcurrent flows through the relays 41, 42, 43. When this occurs, the electrical paths between the repeaters 41, 42, 43 and the receiver 70 are opened to avoid the influence of the short circuit on the receiver 70 side from reaching the outside compartment. In addition to the short circuit, the disconnecting switch that operates as a circuit breaker or the like also detects an abnormal state between the relay or the sensor and the relay due to the influence of disconnection, noise, etc., in the same way. It may be configured to open the electric circuit between 42, 43 and the receiver 70. FIG.

The opener 110 is a drive motor for electrically opening and closing the shutter curtain 114 . The interlock relay 118 for harm prevention automatically closes when the fire prevention signal BS (close instruction signal) from the smoke detectors 13, 23, 33 and the fire prevention signal BS from the receiver 70 are input via the relay 41. A DC 24 V signal, which is a voltage signal, is output to the device 112 . The harm prevention interlock repeater 118 normally outputs a DC 24V signal using a commercial power supply, but in the event of a power failure, the harm prevention interlock repeater 118 has a built-in standby power supply (a battery such as a storage battery). ) to output a DC 24V signal.

The self-closing device 112 is built into the safety interlock relay 118 or commercial power supplied through the safety interlock relay 118 like known self-closing devices used in conventional fire shutters and the like. It operates with power (DC 24V signal) from a standby power supply (storage battery). In addition, the automatic closing device 112 operates by using the power of the 24V signal supplied from the interlocking repeater 118 for safety prevention, which incorporates a standby power source for the shutter, thereby supplying commercial power to the fire prevention shutter device 11 in the event of a fire. Even without the shutter curtain, the brake 111 is released according to the fire prevention signal BS (close instruction signal) input from the smoke detector 13 or the receiver 70 via the repeater 40, and the shutter curtain of the fire prevention structure is wound up. 114 is lowered by its own weight to automatically close the opening. In some cases, the fire shutter device 11 and the fire door 12 are provided with a door or a slit through which a person can pass for evacuation or the like. In this embodiment, the fire door 12 is provided with a sliding door 121 .

The fire shutter device 11 is provided with an obstacle sensing device for detecting contact with an obstacle during opening and closing. The obstacle sensing device includes a seat plate switch 11a provided on the seat plate at the lower end of the shutter curtain 114, a wired obstacle sensing device 11b provided in the storage box of the shutter curtain 114, and an electrical connection between them. , and a signal line 11c that is physically connected.

The seat plate switch 11a is attached to the seat plate of the shutter curtain 114, and incorporates a microswitch that closes the contact when the seat plate contacts an obstacle such as a person or an object. Then, it is transmitted as a sensing signal to the wired obstacle sensing device 11b through the signal line 11c. The signal line 11c is a cable that transmits a sensing signal from the seat plate switch 11a to the wired obstacle sensing device 11b. This cable is housed or guided by a cord reel, a movable pulley, or the like so as to avoid bending that hinders the opening and closing of the shutter curtain 114 .

The wired obstacle sensing device 11b normally operates on a commercial power supply, controls the operation of the opening/closing machine 110 in response to a sensing signal input from the seat plate switch 11a, and at least in an emergency such as when a fire occurs. An obstacle detection signal from the plate switch 11a is through-output to the automatic closing device 112. FIG.

The automatic closing device 112 stops the closing operation of the shutter curtain 114 in response to the input of the obstacle sensing signal from the wired obstacle sensing device 11b to perform the avoidance operation. Therefore, when the seat plate or the like comes into contact with an obstacle while the shutter curtain 114 is descending under its own weight in the event of a fire, and a detection signal is detected from the seat plate switch 11a, the lowering of the shutter curtain 114 is stopped. Take action to avoid it. That is, normally, when the obstacle sensing signal is input while the shutter curtain 114 is descending, the wired obstacle sensing device 11b stops the descending operation of the shutter curtain 4 and controls the shutter curtain 4 to ascend for a certain period of time.

On the other hand, the wired obstacle sensing device 11b receives an obstacle sensing signal while the automatic closing device 112 is activated and the shutter curtain 114 is descending, such as when a fire breaks out. A signal is passed through to the automatic closing device 112 to stop the operation of the automatic closing device 112, return the brake 111 of the switch 110 to the released state, and temporarily stop the shutter curtain 114. The wired obstacle sensing device 11b may be an independent device as shown in FIG. 2, or may be incorporated in the interlock relay 118 for harm prevention or other devices.

In the general configuration of the fire shutter device 11 provided with the fire door 12 in parallel with the shutter curtain 114 as shown in FIGS. 115 and a guide rail called a center post provided in the opening between the shutter curtain 114 and the fire door 12 . In this embodiment, a guide rail 115 is provided on one side (left side of the figure) of the shutter curtain 114, but there is no central pillar, and a recessed groove is provided in a part of the side edge of the fire door 12. , which are used as guide rails 116. As shown in FIG. Therefore, in the case of the opening/closing device according to this embodiment, the fire door 12 is rotatably moved to close (divide) the space, and the guide rails 115 and 116 are present on both sides of the shutter curtain 114. will do.

In this embodiment, in order to close the shutter curtain 114 in conjunction with the closing operation of the fire door 12, which is a sleeve door provided as shielding door means, a closing mechanism is provided to detect that the fire door 12 has been reliably closed. A confirmation switch 24 is installed on the door stop or the upper part of the lintel of the opening, and when the fire door 12 is closed first and the closing confirmation switch 24 outputs a closing completion signal of the fire door, the shutter curtain 114 is opened. is configured to initiate the closing action.

The fire door closing completion signal output from the closing confirmation switch 24 passes near the guide rail 116 and passes through a position where it does not interfere with the shutter curtain 114 and is output to the interlock relay 118 for harm prevention. When the fire door closing completion signal is input, the interlock relay 118 for safety prevention operates the automatic closing device 112, releases the brake 111, and automatically lowers the shutter curtain 114 of the fire prevention structure in the winding state by its own weight. to close the opening. The fire door 12 is of a constantly open type, and is normally housed in a door pocket or the like provided on a pillar on the side of the opening or on the wall surface of the frame. In this normally open fire door 12, an evacuation passage is secured by a sliding door 121 separately provided in the closed fire door 12. - 特許庁

The fire door automatic closing device 122 is provided in a shape embedded in the wall surface of the frame constituting the door pocket 123 of the fire door 12 . The fire door 12 is normally restrained and held in an open state by an automatic fire door closing device 122 . When the automatic closing device 122 for the fire door releases the restraint, the fire door 12 is closed by biasing force such as its own weight (using a so-called gravity hinge, etc.) or spring force (using a closer, etc.). there is

The fire door automatic closing device 122 is electrically connected to the external device power supply terminal (24 [V] output terminal) provided in the interlock relay 118 for harm prevention, and the interlock relay 118 for harm prevention is A voltage of 24 [V] is output from the external device power supply terminal to the fire door automatic closing device 122 as a voltage signal in response to the fire signal BS or the activation signal based on the operation of the electric manual closing device 119 . The fire door automatic closing device 122 releases the restraint of the fire door 12 using this voltage signal and closes the fire door 12 .

The voltage signal output from the interlocking relay 118 for safety prevention to the automatic closing device 122 for fire doors is at a position where it does not interfere with the shutter curtain 114 and the closing confirmation switch 24, that is, at a position where contact or contact can be avoided. It passes through the upper frame of the door pocket 123 of the fire door 12 and the wall surface of the frame constituting the door pocket 123 of the fire door 12 and is introduced into the automatic closing device 122 for the fire door. In FIG. 2, the portion of the wiring up to the fire door automatic closing device 122 and the harm prevention interlocking relay 118, which is embedded in the wall surface of the frame, is illustrated by a dotted line.

The electric manual closing device 119 mainly operates the opening and closing device 110 for driving the shutter electric opening and closing, and manually issues an activation signal to the harm prevention interlock relay 118 to perform the same operation as when the fire prevention signal BS is input. It is generated by The electric manual closing device 119 includes a management combined operation input switch PBS (push button switch) corresponding to instructions to open, close, and stop the shutter to the opening/closing machine 110, an operation button that is an emergency shutter closing button, and a recovery button. and a battery test button are provided, and various display means are provided for displaying the battery test result, the state of the standby power source, the state of broken cord, and the like. Since the input switch PBS is used for normal management, it does not necessarily need to be provided in the vicinity of the opening/closing device. may be

Although the electric manual closing device 119 is shown above the fire door 12 in FIG. 2, it is actually installed on the frame side near the fire door 12 or at a position where the guide rail 115 can be operated by a person. The operation button of the electric manual closing device 119 is covered with a transparent resin panel (push-break cap), and an emergency shutter closing button ( It is often equipped with an operation button).

In the fire prevention equipment control system according to this embodiment, the smoke detectors 13, 23, 33 are configured as analog detectors. There is a possibility that the influence will spread over a wide area and many fire shutter devices 11, 21, 31 will not operate normally. Therefore, in this embodiment, disconnectors 51, 52, 53 are provided between the repeaters 41, 42, 43 and the receiver 70, and when any one of the smoke sensors 13, 23, 33 short-circuits, The repeaters 41, 42, 43 connected to the short-circuited smoke sensors 13, 23, 33 are separated from the receiver 70 so that the short-circuit does not affect the outside compartment. For example, if the smoke sensor 33 installed on the 3rd floor is short-circuited due to the heat of the fire, the disconnector 53 disconnects the line between the repeater 43 and the receiver 70, so the smoke sensor 33 short-circuits. The influence does not extend to the outside repeaters 41, 42 on the first and second floors, and the fire shutter devices 11, 21 and the fire doors 12, 22 on the first and second floors can maintain normal operation. Become.

On the other hand, due to the operation of the disconnectors 51, 52, 53, it becomes difficult for the fire shutter device and the fire door installed in the section separated from the receiver 70 to operate the automatic closing function. . Therefore, in this embodiment, the interlocking relays for damage prevention of the adjacent fire prevention equipment (fire shutter device and fire door) for section formation are connected bidirectionally to receive the fire prevention signal from the receiver 70. In this case, if a cooperation signal is output to the interlocking repeater for harm prevention for that section formation, and a cooperation signal is received from another interlocking repeater for harm prevention even if the fire prevention signal is not received, Fire protection equipment (fire protection shutter device and fire door) is operated on the assumption that a fire protection signal has been received. That is, in other words, even when the closure instruction signal cannot be input via the relay (relay means), the cooperation signal (resulting in the closure instruction signal) can be transmitted. In addition, even when the closing instruction signal can be input, the cooperation signal may be transmitted (that is, even when the prevention signal can be received, the cooperation signal may also be received and the fire prevention equipment may be operated).

Further, in this embodiment, wiring (signal line) capable of transmitting the closing instruction signal, which is the fire prevention signal BS, is separately provided to all the fire prevention equipment (fire prevention shutter device and fire door), and is separated from the receiver 70. A closing instruction signal can also be sent directly to a fire shutter device and/or a fire door installed in a section that is closed.

For example, as shown in FIG. 1, separate from the wiring connecting the receiver 70 and the disconnecting switches 51, 52, 53, fire shutter devices 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1 and 1 Wiring 11e, 21e, 31e having a structure excellent in fire resistance and heat resistance performance for transmitting a closing instruction signal to the interlock relays 118, 218, 318 for hazard prevention of 21, 31 is laid. Accordingly, by operating the disconnectors 51, 52, 53, it is possible to directly transmit a closing instruction signal to the fire shutter device and/or the fire door installed in the separated section. In addition, since the interlocking relay that received the closing instruction signal sends a linking signal to the interlocking relay of the fire prevention equipment (fire shutter device and fire door) for forming the compartment, the automatic closing operation is immediately started and the fire compartment is closed. can be formed.

According to this embodiment, even if the compartments are separated by the disconnectors 51, 52, 53, the separately laid wiring 11e, 21e, 31e can be used to directly transmit the closing instruction signal. . In addition, even if the wiring 11e, 21e, 31e is cut off due to some kind of malfunction and becomes non-functional, the fire shutter device and/or the fire door start automatic closing by the linking signal output from the linking relay for forming the compartment. Therefore, it is possible to quickly form a fireproof compartment, and it is possible to minimize the spread of fire, which is an excellent effect.

FIG. 3 is a diagram showing an example of how the fire prevention equipment control system is arranged on the building space in the building by the fire prevention shutter device and the fire door shown in FIG. FIG. 3 shows a square architectural space surrounded by outer walls 55 to 58 of the second floor portion of FIG. In the fire prevention equipment control system of FIG. 3, the central portion of this architectural space is managed as four fire prevention sections A to D. That is, columns 61 and 62, columns 62 and 63, columns 63 and 64, columns 64 and 65, columns 63 and 73, columns 73 and 77, columns 63 and 83, and columns 83 and 87. A fire shutter device and a fire door as shown in FIG. In FIG. 3, illustration of the repeater 42, the disconnector 52, etc. is omitted.

A guide rail 115 for the shutter curtain 114 of the fire shutter device 21 and a frame for the fire door 22 are installed on each of the pillars 61 to 65, 73, 77, 83, and 87, respectively. Each of the four fire compartments A to D includes a compartment containing stairs (stair compartment). Also, smoke detectors 231-234 are installed on the pillars 75, 85, 71, 81 in the fireproof compartments A-D. The smoke sensors 231-234 are connected to a repeater 42 (not shown).

Although not shown, similar smoke detectors are also provided in the four corner stair sections. If the fire door installed in the staircase section is of the normally closed type, the fire door opens outward from the fire prevention section, that is, in the evacuation direction, and is automatically closed by a door check or the like. On the other hand, in the case of a normally open fire door, the fire door is normally housed on the side of a pillar or the like, and is interlocked with the fire signal BS input from the smoke detectors 231 to 234 via the repeater 42. to automatically close. For the fire door installed in the stair section, as described above, a sensor with relatively lower sensitivity than the normal sensor and a wiring (signal line) capable of directly transmitting the closing instruction signal from the receiver 70 are installed. be provided.

In the case of a normally open fire door, an escape passage is secured by a sliding door 121 separately provided in the closed fire door. The fire door used in this embodiment may be either a normally closed type fire door or a normally open type fire door depending on the structure of the building. Further, when the fire shutter device is sheet-shaped, it may be provided with an opening (slit) for an evacuation passage. It should be noted that the staircase sections form separate fireproof sections with fire doors.

In FIG. 3, eight sets of fire shutter devices and fire doors provided between the pillars form four fire compartments AD. FIG. 3 schematically shows the interlock relays for damage prevention corresponding to the fire prevention shutter devices provided between the pillars. Between the pillar 63 and the pillar 73 between the fire protection compartment A and the fire protection compartment C is the interlock relay 218a for harm prevention, between the pillar 73 and the pillar 77 is the interlock relay 218b for protection against fire Between the pillar 63 and the pillar 64 between the fire prevention compartment B and the fire prevention compartment B, there is an interlock relay 218c for harm prevention, between the pillar 64 and the pillar 65 is an interlock relay 218d for prevention of harm, and between the fire protection compartment B and the fire protection compartment B Between the pillar 63 and the pillar 83 between D and the fire prevention compartment 218e, between the pillar 83 and the pillar 87, there is a hazard prevention interlock relay 218f. A hazard prevention interlock relay 218g is shown between the pillars 63 and 62, and a hazard prevention interlock relay 218h is shown between the pillars 62 and 61, respectively.

FIG. 4 is a diagram showing the connection relationship of each harm prevention interlock relay in FIG. In FIG. 4, the same components as in FIG. 3 are denoted by the same reference numerals, and the description thereof will be omitted. FIG. 4 corresponds to FIG. 3, and shows the harm prevention interlock relays 218a to 218h and the smoke detectors 231 to 234 with reference numerals. The harm prevention interlock relays 218a and 218b are connected via wiring 91, the harm prevention interlock relays 218c and 218d are connected via wiring 92, and the harm prevention interlock relays 218e and 218f are connected via wiring 93. The interlocking repeaters 218g and 218h are bidirectionally connected via wiring 94, respectively. The harm prevention interlock relays 218a and 218c are connected via wiring 95, the harm prevention interlock relays 218c and 218e are connected via wiring 96, and the harm prevention interlock relays 218e and 218g are connected via wiring 97. The interlock relays 218g and 218a for safety prevention are bi-directionally connected via wiring 98, respectively. It should be noted that the fact that the wirings 95 to 98 are indicated by dotted lines means that they can be omitted as will be described later.

The bi-directional connection between each anti-harm interlock repeater is a wired connection for transmitting and receiving a link signal to and from other anti-harm interlock repeaters. Through this two-way connection, when receiving a fire prevention signal from the receiver 70, it outputs a cooperation signal to another adjacent interlocking repeater for harm prevention, and the other interlocking repeater for harm prevention that receives this cooperation signal. assumes that a fire stop signal has been received even if the fire stop signal has not been received (even if the fire stop signal is received and the cooperation signal is received) and the closing process is started. It should be noted that this cooperation signal is preferably a one-shot signal in order to prevent continuous output of the cooperation signal when the sensor is restored.

As shown in FIGS. 3 and 4, the case where the harm prevention interlock repeaters 218a to 218h are bidirectionally connected by wires 91 to 98 will be described. In the event of a fire, a smoke detector 231 outputs a fire protection signal, which is transmitted to the repeater 42 and the fire protection shutter device forming the fire protection compartment A (columns 63 and 64, columns 64 and 65, columns 63 and 73, column 73 and the fire shutter device installed between the pillars 77) is input as a closing instruction signal to the interlock relay for harm prevention and the automatic closing device. If all the interlock relays for safety protection receive the fire protection signal, the fire protection compartment A is formed without any problem.

However, due to the disconnection of the electric wire for fire protection signal transmission due to flames during a fire, or other troubles, the fire protection signal from the receiver 70 may be blocked by the fire protection shutter devices (pillars 63 and 64, pillar 64) forming the fire protection compartment A. and pillar 65, between pillar 63 and pillar 73, and between pillar 73 and 77). , wirings 91, 92, and 95, a closing instruction signal is transmitted to all the fireproof shutter devices forming the fireproof compartment A, and the fireproof compartment A is formed by executing the closing process. As shown in FIG. 4, when bi-directional connection wiring 95 to 98 is laid, the fire shutter device and fire door equipped with interlocking relays 218e and 218g for preventing danger are also closed in addition to the fire protection compartment A. process will be executed. Therefore, by omitting the wires 95 to 98, it is possible to prevent the fire shutter devices and the fire doors other than the fire compartment A from executing the closing process.

FIG. 5 is a diagram showing a modification of the connection relationship of each interlocking repeater for harm prevention in FIG. In FIG. 5, the same components as those in FIG. 4 are denoted by the same reference numerals, and the description thereof will be omitted. In the embodiment of FIG. 4, the fire protection signal from the receiver 70 is transmitted only to one or two of the safety interlock relays 218a to 218d of the fire protection shutter device forming the fire protection compartment A, and to the others. If not, it may be difficult to form the fire compartment A. Therefore, in the embodiment of FIG. 5, adjacent ones of the interlocking relays for harm prevention of a plurality of fire protection shutter devices for forming a predetermined fire protection compartment are connected in a daisy-chain fashion in both directions. When a closing instruction signal is transmitted to at least one of the two-way connected interlock relays for harm prevention, a predetermined fireproof compartment can be formed.

For example, the wiring 91a connects the safety interlocking relays 218a to 218d in two directions in a daisy chain fashion, and when a fire prevention signal is output from the smoke sensor 231 in the fire protection compartment A, the wiring 91a It is configured to transmit and receive a closing instruction signal between each of the harm prevention interlock repeaters 218a to 218d. Similarly, the wiring 92a connects the safety interlock relays 218c to 218f in a daisy-chained manner, and when a fire prevention signal is output from the smoke sensor 232 in the fire prevention compartment B, the wiring 92a is The interlock relays 218c to 218f for safety prevention are configured to transmit and receive a closing instruction signal through each other. The wiring 93a connects the interlock relays 218a, 218b, 218g, and 218h for safety prevention in two directions in a daisy chain fashion. The interlock relays 218a, 218b, 218g, and 218h for protection against harm are configured to transmit and receive a closing instruction signal via the . The wiring 94a connects the interlocking relays 218e, 218f, 218g, and 218h for safety prevention in two directions in a daisy-chain fashion, and when a fire prevention signal is output from the smoke detector 234 in the fire prevention section D, this wiring 94a The interlock relays 218e, 218f, 218g, and 218h for prevention of harm are configured to transmit and receive a closing instruction signal via the . By configuring in this way, it is possible to prevent closing processing from being executed by the fire shutter devices and the fire doors in areas other than the predetermined fire prevention compartment. In addition, if the fire protection signal from the receiver 70 is transmitted to at least one of the harm prevention interlock relays 218a to 218d of the fire protection shutter device forming the fire protection compartment A, the predetermined fire protection compartment A is formed. It has the effect of being able to

In the embodiments of FIGS. 3 to 5, the case of forming the fireproof compartments in a cross shape when viewed in plan is shown, but the fireproof compartments may be formed in the left-right direction, the vertical direction, or in a T-shape. It goes without saying that the fire protection compartments may be formed in complex shapes. Alternatively, the fireproof compartment may be formed using only a sheet-like or shutter-like fireproof curtain, and the fireproof curtain may be provided with a plurality of fire doors and fire doors for effective evacuation. This is because, in the case of a sheet-like fire curtain, it is common to provide a fire door through which people can pass instead of the fire door. In either case, the emergency closing of the shutter or fire door starts in response to the closing instruction signal output from the repeater 42 when the smoke sensors 231-234 are activated.

In FIG. 1, the receiver 70 shows a case in which the fire shutter devices 11, 21, 31 and the fire doors 12, 22, 32 are each grouped, but as shown in FIG. And a group of fire doors, or when a single fire shutter or fire door is provided, a receiver 70 is provided for each group when these are divided into a plurality of groups. You may make it control each operation|movement every time. Moreover, it is preferable that the group is formed by overlapping the fire shutter device and fire door, or a single fire shutter or fire door.

For example, in FIG. A first group is formed by the fire shutter device and the fire door, which is provided with one first repeater and disconnector. Fire shutters provided between pillars 63 and 64, pillars 64 and 65, pillars 63 and 83, and pillars 83 and 87 as fire shutter devices and fire doors for forming fire prevention section B Devices and fire doors form a second group, which is provided with one second repeater and disconnector. Similarly, as a fire shutter device and a fire door for forming fire protection section C, fire protection provided between pillar 61 and pillar 62, pillar 62 and pillar 63, pillar 63 and pillar 73, pillar 73 and pillar 77 Shutter devices and fire doors form a third group, which is provided with one third repeater and disconnector. Fire shutters provided between pillar 61 and pillar 62, pillar 62 and pillar 63, pillar 63 and pillar 83, pillar 83 and pillar 87 as fire shutter devices and fire doors for forming fire prevention section D Devices and fire doors form a fourth group, which is provided with one fourth repeater and disconnector.

In addition, the fire doors provided at the entrances of the staircase sections and the fire doors existing in the pit section form one group, and one repeater and disconnecting switch are provided in the group, and this pit section Existing fire door groups are registered as belonging to the above-described first to fourth groups on the floor, respectively. In this way, the fire shutter device and the fire door are redundantly registered in a plurality of groups, so that the closing instruction signal transmitted from the receiver 70 via the repeater is transmitted via at least two communication networks. Since the information is transmitted to the fire shutter device and the fire door, even if some trouble occurs when a fire breaks out, the closing instruction signal, which is the fire protection signal BS, can be transmitted.

FIG. 6 is a flow chart showing an example of automatic closing processing of the fire shutter device and the fire door. In this embodiment, the fire shutter devices 11, 21, 31 and the fire doors 12, 22, 33 operate in conjunction with each other. The automatic closing process of the fire shutter device 11 and the fire door 12 will be described below.
In step S40, to the interlocking relay 118 for harm prevention, a closing instruction signal output from the relay 41 that received the fire prevention signal BS from the smoke detectors 13, 23, 33, or from the electric manual closing device 119 A closing instruction signal is input based on the activation signal.
In step S41, the interlock relay 118 for safety prevention is activated in response to the input of the closing instruction signal based on the fire prevention signal BS or the activation signal.
In step S42, the fire door automatic closing device 122 in the door pocket on the side of the side door responds to the voltage signal from the interlock relay 118 for safety prevention, and attaches to the hook plate (not shown) of the fire door 12. The engaging fittings of the engaged automatic closing device 122 for fire doors are released.

In step S43, the engaging metal fittings of the automatic closing device 122 for fire door are released in the previous step, so that the fire door 12 is pushed by its own weight (using a so-called gravity hinge, etc.) or biasing force such as spring force (using a closer, etc.). to start the closing process.
In step S44, it is determined whether or not a fire door closing completion signal has been input from the built-in limit switch, that is, the closing confirmation switch 24 installed on the upper frame of the fire door 12 by coming into contact with the door stopper (not shown). If it is determined that it has been input (yes), the process proceeds to the next step S45, and if it is determined that it has not been input (no), the processing of step S44 continues until the fire door closing completion signal is input. is repeatedly executed to maintain the input standby state of the fire door closing completion signal. If the fire door closing completion signal is not input for a predetermined period of time, the process of step S44 may be terminated and the process proceeds to the next step S45.

In step S45, since completion of closing of the fire door 12 was confirmed by the input of the fire door closing completion signal in step S44, the interlocking repeater 118 for safety prevention activates the automatic closing device 112 for the shutter curtain 114 of the fire shutter device 11. Start a delay timer to run.
In step S46, the harm prevention interlock repeater 118 determines whether or not the operation delay timer started in the previous step has counted up by a predetermined time (for example, a time equivalent to 10 seconds), and counted up (yes). If so, the process proceeds to the next step S47, and if it is determined that the count has not been made (no), the processing of this step is repeatedly executed until the count is made.

In step S47, it is determined that the operation delay timer has counted up in the previous step, so the harm prevention interlock relay 118 activates the automatic closing device 112 of the shutter curtain 114 of the fire shutter device 11.
In step S48, closing processing of the shutter curtain 114 by the automatic closing device 112 is executed. When the closing process is completed, the harm prevention interlock relay 118 transmits a closing process end signal to the receiver 70 via the relay 41 .

In the flow shown in FIG. 6, in which the fire door 12, which is a side door, and the shutter curtain 4 are operated in conjunction with each other, the fire door 12, which is a side door, is automatically closed in response to the input of the activation signal. After that, the shutter curtain 4 is automatically closed after the timer counts up. If the obstacle sensing device senses an obstacle during the automatic closing of the shutter curtain 4, a predetermined obstacle avoidance operation or the like is performed, but this operation is omitted in this embodiment. .

In the above-described embodiment, the shutter curtain that is drawn out vertically has been described as an example. can be applied to Examples of opening/closing devices include shutter devices, window shutter devices, blind devices, roll screen devices, banner devices, smoke-proof hanging wall devices, hinged door devices, folding door devices, sliding door devices, moving partition devices, awning devices, It can also be applied to waterproof plate devices and the like.
Surveillance cameras, human sensors, etc. may be installed around the fire shutter device and the fire door, and each operation may be controlled based on the image captured by the camera and the information sensed by the human sensor.

Further, in the above-described embodiment, the smoke sensors 13, 23, 33 transmit detection signals to the relays 41, 42, 43 by wire. A sensing signal may be transmitted wirelessly between the devices 41 , 42 , 43 .
In the above-described embodiment, the case where one repeater is provided on the first floor has been described. However, if each floor has a plurality of sections as shown in FIG. You may make it connect the repeater and receiver of each floor. Also, the receivers may be provided at a plurality of locations in the building, and each of them may operate independently.

DESCRIPTION OF SYMBOLS 11, 21, 31... Fire shutter device 110... Opening/closing machine 111... Brakes 112, 212, 312... Automatic closing device 114... Shutter curtains 115, 116... Guide rails 117, 217, 317... Transmitters/receivers 118, 218, 318... Harm-prevention interlocking relays 218a to 218h Harm-prevention interlocking relay 119 Electric manual closing device 11a Seat plate switch 11b Wired obstacle sensing device 11c Signal lines 11d, 21d, 31d Sensor 11e, 21e, 31e Wiring 12, 22, 32 Fire door 121 Hiding door 122 Fire door automatic closing device 123 Door pocket 13, 23, 33 Smoke detector 11, 21, 31 Fire shutter device 11d, 21d, 31d Detectors 231 to 234 Smoke detector 24 Closed confirmation switches 41, 42, 43 Repeater 70 Receivers 51, 52, 53 Disconnectors 55 to 58 Outer walls 61 to 65, 71 to 78, 81 ~ 88 Pillars 91 to 98 Wiring 91a, 92a, 93a, 94a Wiring A to D Fire protection compartment

Claims (6)

a plurality of fire protection compartment forming means provided in the building for forming a plurality of fire protection compartments in the building by partitioning the space in the building with shielding members according to the input of the closing instruction signal output from the receiver;
a plurality of sensing means provided in each of the plurality of fireproof compartments, sensing an abnormal situation corresponding to the occurrence of a fire and outputting a sensing signal;
a plurality of relay means respectively connected to a plurality of sensing means in the fire protection compartment, outputting the sensing signal to the receiver and outputting the closing instruction signal to the fire protection compartment forming means;
provided between the plurality of relay means and the receiver, and when an abnormality in the sensing means is detected, the relay means connected to the sensing means in which the abnormality is detected is electrically connected to the relay means from the receiver; a disconnecting means for disconnecting to
A fire protection compartment in which the closing instruction signal cannot be input via the relay means by bidirectionally connecting the adjacent ones of the plurality of fire protection compartment forming means for forming the predetermined fire protection compartment. and a first signaling means configured to communicate said closing instruction signal via said bi-directional connection to forming means. In the fire prevention equipment control system according to claim 1,
The fire prevention equipment control system, wherein the first signal transmission means bi-directionally connects adjacent ones of a plurality of fire prevention compartment forming means for forming a predetermined fire prevention compartment in a daisy chain manner. In the fire prevention equipment control system according to claim 1 or 2,
Even when the relay means is disconnected from the receiver by the disconnecting means, a closing instruction signal is output from the receiver to the fire protection compartment forming means connected to the relay means disconnected from the receiver. A fire prevention equipment control system comprising a second signal transmission means configured to transmit a a plurality of fire protection compartment forming means provided in the building for forming a plurality of fire protection compartments in the building by partitioning the space in the building with shielding members according to the input of the closing instruction signal output from the receiver;
a plurality of sensing means provided in each of the plurality of fireproof compartments, sensing an abnormal situation corresponding to the occurrence of a fire and outputting a sensing signal;
and a plurality of relay means respectively connected to a plurality of sensing means in the fire protection compartment, outputting the sensing signal to the receiver and outputting the closing instruction signal to the fire protection compartment forming means. In the fire protection signaling method of
Inputting the closing instruction signal via the relay means by bidirectionally connecting a plurality of adjacent fire protection compartment forming means for forming a predetermined fire protection compartment by first signal transmission means, respectively. A fire prevention signal transmission method, wherein the closing instruction signal is transmitted through the first signal transmission means to the fire prevention compartment forming means which is in a state in which fire protection is not possible. 5. The fire protection signaling method of claim 4,
The fire prevention signal transmission method, wherein the first signal transmission means bi-directionally connects adjacent ones of a plurality of fire prevention division forming means for forming a predetermined fire prevention division in a daisy chain manner. 6. The fire protection signal transmission method according to claim 4 or 5,
When detecting an abnormality of the sensing means, even if the relay means connected to the sensing means detected as abnormal is electrically disconnected from the receiver, the relay means is disconnected from the receiver. output from the receiver via a second signal transmission means for directly transmitting the closing instruction signal output from the receiver without going through the relay means to the fire protection compartment forming means connected to the A fire prevention signal transmission method, characterized by transmitting a closing instruction signal that

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