JP4727327B2 - Movable galleries and fire extinguishing systems for fire extinguishing target zones having the same - Google Patents

Description

  TECHNICAL FIELD The present invention relates to a movable louver and a fire extinguishing system for a fire extinguishing target section provided with the same. More specifically, the present invention relates to a movable gallery that can be opened and closed provided to communicate with the inside and outside of a building, and a fire extinguishing system that is a building in which the movable gallery is formed and has a fire extinguishing target section.

  A fire extinguishing target building, for example, a parking tower in which a mechanical parking device is installed, is provided with a fire extinguishing facility and an exhaust facility and a ventilation louver. The ventilation gallery is normally open and ventilated. In addition, in order to improve the fire extinguishing effect and efficiency during fire extinguishing work accompanying the occurrence of a fire, that is, to prevent the wasteful use of fire extinguishing gas by blocking the expansion of the disaster by blocking the vent opening and shortening the fire extinguishing time, This gallery is closed so that does not escape outside the parking tower. After the fire fighting operation is completed, the fire extinguishing gas filled in the tower is exhausted to the outside by the exhaust equipment. In general, the following two means are generally used for closing the louver accompanying the fire extinguishing operation.

  As shown in FIG. 14, the first means uses a shielding plate 64 for fixing a plurality of blade plates 62 constituting the gallery 61 in an open state with respect to the outer frame 63 in an armor door shape, and for closing. Is. That is, the shielding plate 64 is suspended at the upper retracted position (or standby position) via the fuse metal 65 and the wire 66 above the inner side of the louver 61 fixed in the open state. When a fire occurs, the temperature in the tower rises and the fuse metal melts, so that the shielding plate 64 falls to a predetermined position facing the gallery 61 (indicated by a two-dot chain line in the figure). Thereby, the entire inner side of the louver, that is, the entire back frame of the louver window is closed.

  As shown in FIG. 15, the second means includes a movable gallery 71 (see, for example, Patent Documents 1, 2, and 3). That is, the gallery 71 is formed by supporting a plurality of blade plates 72 arranged vertically in an armored door shape on the connecting rod 73 so as to be able to rotate (open and close). In this gallery 71, the connecting rod 73 or one slat 72 is normally held in an open state via a tension spring 74 and a fuse metal 75. When a fire occurs, the fuse metal 75 is melted by the temperature rise in the tower, and the blade is rotated by its own weight or the action of the tension spring 74 (indicated by a two-dot chain line in the figure), and the entire louver 71 is closed.

  Whatever means is used, the fire extinguishing equipment is activated in a state where the louvers 61 and 71 are closed to perform the fire extinguishing work. After the fire fighting operation is completed, the fire extinguishing gas filled in the tower is discharged to the outside by starting the exhaust equipment.

In the first means (FIG. 14), it is necessary to provide a large space for arranging the shielding plate 64 over the entire back side (inside the tower) of the louver 61. Both the first and second means (FIGS. 14 and 15) take time to exhaust because the louvers 61 and 71 remain closed when the exhaust operation in the tower is performed after the extinguishing operation is completed. The temperature in the upper tower does not drop easily. If exhausting quickly or strongly, there is a risk that the outer wall or the exterior plate, which is vulnerable to fire, may be bent inward by negative pressure.
Japanese Utility Model Publication No. 53-21869 Japanese Utility Model Publication No.59-190888 Japanese Utility Model Publication No. 1-24315

  The present invention has been made to solve such a problem, and even when a gallery formed on a building having a fire extinguishing target section is closed, a movable gallery that can be easily opened when necessary, and It aims at providing the fire extinguishing system of the section for fire extinguishing provided with this.

The movable gallery of the present invention is
A plurality of blades pivotally supported at predetermined intervals, a support arm fixed to each blade, and a support arm pivotally supported between the open position and the closed position of the blade A gall body having a connecting rod capable of moving,
A drive device having a first fluid pressure cylinder for rotating the blade plate to its open position and closed position by expansion and contraction of the piston rod ;
The blade is configured to be urged in a closing direction, and a fuse member is disposed to hold the wing plate in its open position against the urging force.
The drive device has a connecting member for connecting the piston rod and the gallery main body through the fuse member,
Between the gallery main body and the piston rod, there is disposed an engagement member configured to connect the piston rod to the gallery main body when in the closed state by extending or contracting.
The engaging member includes a swing arm for displacing the gallery main body to an open position and a closed position, a vertical movement member connected to a piston rod, an engagement pin member disposed on the vertical movement member, and the engagement The engagement hole formed in the swing arm so that the engagement pin member can be engaged, and the engagement pin member reaches the engagement hole by the expansion or contraction of the piston rod in the closed state of the gallery main body. And a guiding member .

  Therefore, in the case of fire extinguishing work when, for example, a fire occurs in a building equipped with this movable louver, the louver can be closed by supplying (or discharging) the working fluid to the fluid pressure cylinder. After completion, the gallery can be opened by discharging (or supplying) the working fluid to the fluid pressure cylinder.

Further, since the blade plate is configured to be biased in the direction in which it is closed, and a fuse member is provided to hold the blade plate in its open position against this biasing force . fuse element by the heat of the fire is slats closes by blowing.

Further, the movable louver having the fuse member, to the drive device, Ru Tei a connecting member for connecting the piston rod and the louver body through the fuse member.

In the movable gallery having the connecting member, an engaging member is arranged between the gallery main body and the piston rod so that the piston rod is connected to the gallery main body when in the closed state by extending or contracting. A swing arm that displaces the main body to an open position and a closed position; a vertical movement member connected to the piston rod; an engagement pin member disposed on the vertical movement member; The engagement pin member reaches the engagement hole by the expansion or contraction of the piston rod in the closed state of the engagement hole formed in the swing arm so that the engagement pin member can be engaged and the gallery main body. By providing the guide member for guiding , the louver main body can be driven to open by shortening the piston rod.

In the connecting member, and the swing arm for displacing the louvers body to an open position and a closed position, to a vertical movement member which is connected to the piston rod, and the swing arm and the vertically movable connected by a fuse element ,
By extending and contracting the piston rod, the driving force is configured to be transmitted to the gallery body through the vertical movement member, the fuse member and the swing arm ,
When the fuse member is cut between the swing arm and the vertically moving member and the gallery main body is in a closed state, the piston rod is extended or contracted so that the vertically moving member is moved to the swing arm. An engagement member that is engaged and connected to enable the opening of the louver body can be provided.

  A spring member can be used as means for urging the swing arm in the closing direction of the blade, and can be connected to the swing arm.

  The oscillating arm is fixed to the rotation center axis of at least one slat, and the swaying of the oscillating arm displaces the other slat from the slat through the support arm and the connecting rod to the open position and the closed position. The force can be configured to be transmitted.

The fire extinguishing system of the present invention is
A fire extinguishing system for a building that constitutes a fire extinguishing target section,
A movable gallery that communicates with the inside and outside of the building;
A fire extinguishing gas supply device that supplies fire extinguishing gas to the fire extinguishing target section,
The movable gallery is one of the movable gallery described above,
The first fluid pressure cylinder of the movable gallery is constituted by a gas cylinder.

  A part of the fire extinguishing gas can be supplied from the fire extinguishing gas supply device to the first gas cylinder of the movable gallery as working gas. This eliminates the need for a separate working gas supply facility for driving the cylinder.

  An exhaust duct having a fan for exhausting air inside the building to the outside is disposed in the building, and a gas exhaust pipe for exhausting the working gas inside the first gas cylinder is provided in the first building. One gas cylinder can be connected to the exhaust duct. If comprised in this way, the gas discharge from a gas cylinder can be performed efficiently.

  An activation device that supplies an activation gas to activate the fire extinguishing gas supply device is provided, and a part of the activation gas from the activation device is supplied as a working gas to the first gas cylinder of the movable gallery. Can be configured. This eliminates the need for a separate working gas supply facility for driving the cylinder.

  A damper for opening and closing the exhaust duct and a second gas cylinder for driving the damper are provided, and a part of the fire extinguishing gas is supplied from the fire extinguishing gas supply device to the second gas cylinder as a working gas. It can be constituted as follows.

  Since the movable louver and fire extinguishing system of the present invention can open and close the louver when necessary in the event of a fire in the building in which they are installed, for example, improving the efficiency of fire fighting work and quickly Exhaust is possible.

  An embodiment of a movable gallery and a fire extinguishing system according to the present invention will be described with reference to the accompanying drawings.

  FIG. 1 is a cross-sectional view schematically showing a multi-story parking apparatus as an example of a building in which an embodiment of a movable gallery and a fire extinguishing system of the present invention is installed. FIG. 2 is a front view showing an embodiment of a movable gallery arranged on the outer wall portion of the parking apparatus of FIG. FIG. 3 is a cross-sectional view taken along the line III-III in FIG. 4 is a cross-sectional view taken along the line IV-IV in FIG.

  The parking apparatus 1 shown in FIG. 1 has a fire extinguishing target section set. The parking tower 2 has a plurality of upper and lower parking shelves 3. Depending on the type of the parking device, an elevator or vertical circulation elevator or the like can be used to move the entry / exit vehicle M between the entry / exit floor 4 and the parking shelf 3. Carry between. In this parking device 1, the entry / exit floor 4 is provided on the first floor, which is the ground floor, and the entrance / exit 6 of the vehicle is formed in the entry / exit floor 4. In this parking device 1, since the entry / exit direction on the entry / exit floor 4 and the parking direction on the parking shelf are orthogonal, a turntable 8 is installed in the pit 7 of the entry / exit floor 4 to change the direction of the vehicle. ing. A driving operation panel 9 of the parking device 1 is further arranged on the entrance / exit floor 4.

  A movable gallery 11 is provided on the outer wall 10 of the parking tower 2 to communicate the inside and outside of the tower 2. In addition, the parking apparatus 1 is provided with a fire extinguishing system 12 that discharges a fire extinguishing gas into a tower that is a fire extinguishing target section. The fire extinguishing system 12 includes the movable gallery 11. Further, a fire extinguishing gas supply facility 13, a fire extinguishing system starting device (hereinafter simply referred to as a starting device) 14, a fire detector 15, and gas or air from the inside of the tower. An exhaust facility 16 for discharging is provided. The activation device 14 is provided with a control device 17 for controlling the activation operation of the fire extinguishing system 12. The fire detectors 15 are installed at appropriate intervals up and down in order to detect the occurrence of fire in any level in the parking tower 2.

  As shown in FIGS. 2 to 4, the movable gallery 11 includes a frame member 18 that borders an opening formed in the wall of the parking tower 2, and a gallery main body having a plurality of upper and lower blades 19 inside the frame member 18. 20 and a drive device 21 for rotating (opening and closing) the blade 19. Each vane plate 19 is pivotally supported with respect to the frame member 18 so as to be able to turn (open and close) around a turning shaft that is aligned vertically and extends in the longitudinal direction. In the present embodiment, a pair of blade plates that are aligned in the vertical direction are disposed on the left and right with the central support column 18a of the frame member 18 as a boundary, but the present invention is not limited to this configuration.

  As shown in FIG. 4, one end of a support arm 22 is fixed to each vane plate 19, and the other end of all the support arms 22 in each vane plate group is pivotally supported by one connecting rod 23. The connecting rod 23 is for rotating all the blades 19 simultaneously. The connecting rod 23 is the center in the lateral direction of each blade group, and extends vertically with respect to the longitudinal direction of the blade plate 19. When a cross section perpendicular to the longitudinal direction of each blade 19 is viewed, flanges 19a that are bent in opposite directions are formed at both ends thereof. When the connecting rod 23 is moved in the vertical direction, all the blade plates 19 are rotated in the same direction via the support arm 22 so that the space between the blade plates 19 is opened and closed. In this embodiment, when the connecting rod 23 is lowered, the blade plate 19 is opened (state shown in FIG. 4), and when it is raised, the blade plate 19 is closed (state shown in FIGS. 5 and 6). In the closed state of the blade plate 19, the flange portion 19 a abuts on the adjacent blade plate 19, so that no large gap is generated between the blade plates.

  The driving device 21 is disposed between the left and right blade groups, that is, in the central column 18a (see FIG. 2). As shown in FIGS. 2, 4, and 7, the drive device 21 includes a gas cylinder (first gas cylinder) 24 for opening and closing the gallery main body 20 (that is, the blade plate 19), and a gas cylinder 24. The piston rod 24a of the gas cylinder 24 is connected to the connecting member 25 for connecting and releasing the connection to the gallery main body 20 and the connection member 25 when the gallery main body 20 is in the closed state (see FIGS. 5 and 6). (A state shown in FIG. 9) and a spring member 27 for urging the gallery main body 20 in the closing direction. The gas cylinder 24 is pivotally supported by the central support column 18a. The gas cylinder 24 receives the pressure of the working gas and extends its piston rod 24a to close the gallery main body 20, and the working gas is discharged and the ston rod 24a contracts to open the gallery main body 20.

  In this embodiment, the gas cylinder 24 is arranged so that its piston rod 24a extends upward, so that when the piston rod 24a extends, the louver body 20 closes, but conversely, the extending direction of the piston rod 24a May be connected to the louver main body by an appropriate connecting member. Then, the louver main body 20 is closed due to the contraction of the piston rod 24a.

  The gas cylinder 24 is provided with a spring member 24b that urges the piston rod 24a in a contracting direction. Therefore, at the normal time when the working gas is not supplied, the piston rod 24a is contracted, so that the louver body 20 is in an open state. Further, when the working gas is pumped to the gas cylinder 24 and the piston rod 24a extends against the spring member 24b (when the gallery main body 20 is closed), a working gas (a fire extinguishing gas or an opening gas described later) is used. Since the check valves 43 and 49 are installed in the pipe 41a of the used one), the extended state of the piston rod 24a is maintained.

  As is apparent from FIG. 7 as well, the connecting member 25 includes a swing arm 28 whose one end is fixed to the blade plate 19 of any one of the upper and lower stages, and a swing arm 28. A fuse member (referred to as a fuse metal) 29 whose one end is pivotally supported, a vertical motion plate 30 whose one end is pivotally supported by the piston rod 24a of the gas cylinder 24, the vertical motion plate 30 and the fuse metal 29, And a connecting plate 31 for connecting the two. The vertical moving plate 30 is fixed to the end of the piston rod 24a by a bolt 40 so as to be substantially in line with the piston rod 24a.

  FIG. 8 shows details of the swing arm 28. FIG. 8B is a side view of the swing arm 28, and FIG. 8C is a plan view. A U-shaped plate 28a having a U-shaped cross section is fixed to one end of the swing arm 28, and rectangular fitting holes 28b are formed on both side surfaces of the U-shaped plate 28a. The fitting hole 28b is fitted with a pivot shaft 19b having a rectangular cross section of the left and right blades 19 shown in FIG. 8A (this pivot shaft serves as the rotation shaft of the blade). The swing arm 28 is provided with an engagement hole 33 and an inclined guide member 34 which will be described later.

  According to this connecting member 25, as shown in FIG. 5, even if the fuse metal 29 is not melted, the connecting plate 31 and the fuse metal can be used if the rod 24a of the gas cylinder 24 is extended by the pumping of the working gas. The oscillating arm 28 and, consequently, the slat 19 are oscillated counterclockwise in FIG. The fuse metal 29 and the connecting plate 31 are also connected by the bolts and nuts 40. In the state in which the rod 24a of the gas cylinder 24 is contracted (FIG. 4), the friction of the connecting bolt nut 40 portion of each member, the friction caused by the telescopic engagement pin member 32 to be described later pressing the swing arm 28, and the like. The spring member 27 resists the urging force that closes the louver main body 20.

  On the other hand, as shown in FIG. 6, when the fuse metal 29 is melted in this open state (FIG. 4), the swing arm 28 is separated from the vertical moving plate 30. Therefore, without requiring extension of the piston rod 24a, the swing arm 28 is swung upward counterclockwise by the force of the spring member 27, and the louver body 20 is closed.

  The engagement member 26 is engaged with the swinging arm 28 (FIG. 6) in a state where the fuse metal 29 is swung upward by fusing, by raising the vertical moving plate 30 separated from the swinging arm 28. And connecting again (FIG. 9). Further, when the piston rod 24 a extends and the swing arm 28 swings upward without the fuse metal 29 being melted, the vertical movement plate 30 is automatically engaged with the swing arm 28 by the engaging member 26. Link. As a result, in either case, the swing arm 28 can be swung downward by contracting the piston rod 24a thereafter.

  The engaging member 26 shares part of the configuration with the connecting member 25 described above. 4, 5, and 6, the engaging member 26 includes the vertical moving plate 30, the telescopic engaging pin member 32 disposed on the upper end of the vertical moving plate 30, and the above-described rocking member. A movable arm 28, an engagement hole 33 formed in the swing arm 28, the tilt guide member 34 disposed on the lower side of the swing arm 28, and a guide for guiding expansion and contraction of the piston rod 24a. And a plate 35. As shown in FIG. 10, the guide plate 35 has a guide long hole 35a that is slightly curved. As is apparent from FIG. 7 as well, a bolt 40a for connecting the piston rod 24a and the vertical moving plate 30 passes through the guide slot 35a as a guided portion. When the piston rod 24a extends, the bolt 40a smoothly rises in the guide slot 35a.

  As shown in FIG. 11, the telescopic engagement pin member 32 has a hollow pin case 36 screwed into a screw hole 30 a at the upper end of the vertical motion plate 30 and locks the pin case 36 to the vertical motion plate 30. Nut 37. Reference numeral 37a indicates a washer. An engagement pin 38 that protrudes toward the swing arm 28 and a compression spring 39 that elastically pushes the engagement pin 38 toward the swing arm 28 are accommodated in the hollow portion 36 a of the pin case 36. ing. Further, a stopper 36b for preventing the engaging pin 38 from completely protruding from the cavity 36a is formed in the cavity 36a of the pin case 36. With this configuration, when the engaging pin 38 protruding outward from the pin case 36 is pressed against the elasticity of the compression spring 39, the pin 38 enters the hollow portion 36 a of the pin case 36.

  As shown in FIGS. 7 and 11, the swing arm 28 and the vertical moving plate 30 are disposed in a state in which their opposing surfaces (referred to as opposing surfaces) 28 c and 30 b are close to each other. Further, the inclined guide member 34 formed on the lower side of the swing arm 28 is inclined at a surface facing the vertical moving plate 30 (referred to as an inclined surface 34a). The lower end of the inclined surface 34a is separated from the opposing surface 30b of the opposing vertical moving plate 30, and approaches the opposing surface 30b of the vertical moving plate 30 as it goes upward, and the opposing surface of the swing arm 28 at the upper end. Matches 28c. Therefore, when the swing arm 28 swings upward and stops, and the piston rod 24a is contracted (FIG. 6), the engagement pin 38 is spaced apart from the inclined guide member 34 downward. . From there, when the up-and-down moving plate 30 and the telescopic engagement pin member 32 are integrally raised with respect to the swing arm 28 by the extension of the piston rod 24a, the protruding engagement pin 38 of the inclined guide member 34 is shown in the drawing. While reaching the opposing surface 28c of the swing arm 28 while being pressed by the inclined surface 34a, it finally enters the engagement hole 33, and the vertical moving plate 30 and the swing arm 28 are connected.

  In order to achieve this effect, in the state shown in FIG. 6, the fitting hole 28 b of the swing arm 28 is aligned and assembled so as to be positioned on the rising path of the piston rod 24 a and the vertical moving plate 30.

  In FIG. 11, below the center line (shown by a one-dot chain line) 32 a of the expansion and contraction engagement pin member 32, the piston rod 24 a rises and the engagement hole 33 of the swing arm 28 in the closed state of the louver main body 20. The state which the engagement pin 38 plunged into is shown. That is, the movable gallery 11 corresponds to the state shown in FIGS. The upper side of the center line in FIG. 11 is a normal state in which the piston rod 24a is contracted, and shows a state in which the engaging pin 38 is in contact with the opposing surface of the swing arm 28 in the closed state of the gallery main body 20. Yes. That is, the movable gallery 11 corresponds to the state shown in FIG.

  The above is the movable gallery 11, but the fire extinguishing system 12 using this movable gallery 11 is demonstrated. As shown in FIG. 1, the above-described fire extinguishing gas supply facility 13 in the fire extinguishing system 12 is provided with a fire extinguishing gas cylinder (may be a tank storing fire extinguishing gas) 13a. A container valve 13b is attached to the gas outlet of the fire extinguishing gas cylinder 13a. The container valve 13b normally closes the gas outlet and is opened by supplying a working gas for opening from the outside. This type of container valve is described in detail in, for example, Japanese Patent Application Laid-Open No. 2000-254244. A fire extinguishing gas supply pipe 41 is piped from the fire extinguishing gas cylinder 13a to the inside of the parking tower 2. The fire-extinguishing gas supply pipe 41 in the parking tower 2 is provided with a gas injection nozzle 42 at an appropriate location so that the fire-extinguishing gas reaches the entire range. By opening the container valve 13b of the fire extinguishing gas cylinder 13a, the fire extinguishing gas is ejected from the gas injection nozzle 42 into the parking tower 2.

  A part of the fire extinguishing gas supplied from the fire extinguishing gas cylinder 13a is also used as the working gas of the gas cylinder 24 of the movable gallery 11 described above. For this purpose, the fire extinguishing gas supply pipe 41 is branched from the middle, and the branch pipe 41 a is connected to the gas cylinder 24. The branch pipe 41a is provided with a check valve 43 that prevents the backflow of gas from the gas cylinder 24 to the fire extinguishing gas cylinder 13a.

  The activation device 14 activates the fire extinguishing system 12 by opening the container valve 13b of the fire extinguishing gas cylinder 13a and supplying a fire extinguishing gas. The activation device 14 is provided with an opening gas cylinder (may be a gas storage tank or the like) 44. In addition, a startup operation unit 45 and a fire notification unit 46 are connected to the control device 17 in the startup device 14. A detection signal is transmitted from the fire detector 15 installed in the parking tower 2 to the control device 17, and the fire notification unit 46 is operated by the control device 17 by this signal. Further, the control device 17 automatically opens the opening gas cylinder 44 and supplies the opening gas to open the container valve 13b of the fire extinguishing gas cylinder 13a. For this purpose, an opening gas supply pipe 47 is connected from the opening gas cylinder 44 to the container valve 13b of the fire extinguishing gas cylinder 13a. In addition to starting automatically, it is also possible to open the gas cylinder 44 for opening manually via the starting operation unit 45.

  The opening gas supplied from the opening gas cylinder 44 is also used as the working gas of the gas cylinder 24 of the movable gallery 11. For this purpose, a three-way switching valve 48 is installed in the middle of the opening gas supply pipe 47, and a branch pipe 47 a is connected to the gas cylinder 24 from the three-way switching valve 48. By opening the three-way port switching valve 48, the opening gas can be selectively supplied to the fire extinguishing gas cylinder 13a and the gas cylinder 24. The three-way switching valve 48 may be manually operated or may be an automatically operated valve using a solenoid or an electric motor. The branch pipe 47a is provided with a check valve 49 for preventing the backflow of gas from the gas cylinder 24 to the opening gas cylinder 44 and the fire extinguishing gas cylinder 13a.

  The gas cylinder 24 is connected to an exhaust pipe 50 for discharging the working gas to an exhaust duct 52 of the exhaust facility 16 described later. The exhaust pipe 50 is provided with a manual or automatic opening / closing valve 51 by a solenoid, an electric motor or the like. When an automatic opening / closing valve is used, a detection means for detecting the completion of the fire fighting operation is used in combination, and the opening / closing valve 51 is automatically opened after a predetermined time has elapsed after the completion of the fire fighting work (a gallery main body 20). May be opened).

  Next, the exhaust facility 16 will be described. The exhaust facility 16 is installed near the lower end of the exhaust duct 52, the exhaust duct 52 that extends up and down in the parking tower 2 and protrudes outward from the ceiling, the exhaust fan 53 installed near the upper end of the exhaust duct 52, and the exhaust duct 52. And a damper 54 comprising a butterfly valve. The damper 54 has a gas cylinder (second gas cylinder) 55 that swings the valve body 54a to open and close. The gas cylinder 55 receives the pressure of the working gas, closes the damper 54, and opens the damper 54 when the working gas is discharged. The gas cylinder 55 is also equipped with a spring member (not shown) that urges the piston rod in the direction of contraction, similarly to the gas cylinder 24 of the movable gallery 11 described above. Therefore, the damper 54 is kept open at the normal time when the working gas is not supplied. When the working gas is pumped to the gas cylinder 55, the piston rod extends against the spring member, and the damper 54 is closed. In order to effectively suck and discharge a fire extinguishing gas having a specific gravity greater than that of air, the entrance of the exhaust duct 52 is opened in the pit 7 which is substantially the lowest position in the parking tower 2.

  A part of the fire extinguishing gas supplied from the fire extinguishing gas cylinder 13 a is supplied as a working gas to the driving gas cylinder 55 of the damper 54. For this purpose, the fire extinguishing gas supply pipe 41 is branched from the middle, and the branch pipe 41 b is connected to the gas cylinder 55 for the damper 54. The branch pipe 41b is provided with a check valve 56 for preventing the backflow of gas from the gas cylinder 55 to the fire extinguishing gas cylinder 13a. An exhaust pipe 57 for discharging gas from the gas cylinder 55 is connected to the exhaust duct 52 from a portion between the check valve 57 and the gas cylinder 55 of the branch pipe 41 b. The exhaust pipe 57 is provided with an automatic on-off valve 58 manually or by a solenoid or an electric motor. Even when the on-off valve 58 is an automatic on-off valve, as described above, a detection means for detecting the completion of the fire fighting operation is used in combination, and the on-off valve is automatically turned on after a predetermined time has elapsed after the fire fighting work is finished. 58 may open (damper 54 opens). Thus, the check cylinder 56 and the open / close valve 58 allow the gas cylinder 55 that has received the pressure-extinguishing of the fire extinguishing gas to keep the damper 54 closed.

  When the exhaust fan 53 is operated, the inside of the exhaust duct 52 becomes negative pressure. Therefore, when the on-off valve 58 is opened, the gas is efficiently discharged from the gas cylinder 55. In this respect, the gas cylinder 24 of the movable gallery 11 is also the same, and the exhaust pipe 50 is connected to the exhaust duct 52, so that the gas is efficiently discharged by opening the on-off valve 51. The exhaust fan 53 is operated after the extinguishing operation is finished, and both the operation and the stop can be performed manually and automatically. In order to perform automatically, for example, as described above, the detection means for detecting that the fire extinguishing work is completed is used together, and the operation is automatically started after a predetermined time has elapsed after the extinguishing work is finished by a timer. What is necessary is just to stop after progress.

  As described above, the movable gallery 11 is automatically closed when a fire occurs, and when the fire extinguishing operation is completed and the exhaust operation is started, the movable gallery 11 can be remotely and manually returned from the outside to the open state. . The movable gallery 11 uses a fuse metal and a gas cylinder to keep the gallery open at all times. When a fire breaks out, the fuse metal melts due to temperature rise in the tower and / or the working gas to the gas cylinder. The louver can be closed by pumping. Then, after the fire extinguishing work is finished, the louver can be returned to the open state by discharging the gas in the gas cylinder to the outside manually or automatically remotely from the outside along with the exhaust work in the tower. .

  Although the gas cylinder 24 is employed as a driving device for the movable gallery 11, other fluid pressure cylinders may be used without being limited thereto. However, since a fire extinguishing gas or an opening gas can be used as a working gas, a gas cylinder is preferable.

  An example of the operation of the fire extinguishing system 12 will be described with reference to FIGS. 12 and 13. FIG. 12 assumes that a fire has occurred in the parking tower 2 in which the system 12 is installed, and FIG. 13 assumes a so-called “fire” caused by a fire in the vicinity of the parking tower 2. It is.

  In FIG. 12, if a fire occurs in the parking tower 2, (1) the fire extinguishing system 12 is manually activated, or (2) the fire detector 15 is activated (3) the fire extinguishing system 12 is automatically activated. to start. As a result, fire extinguishing gas is injected into the tower from the fire extinguishing gas supply facility 13. (4) Fire extinguishing gas is supplied as a working gas to the gas cylinder 24 of the movable gallery 11, and the piston rod 24a extends to close the gallery main body 20, and the engaging member 26 is connected to the piston rod 24a and the swing arm 28. And the gear body 20 is ready for opening operation. At this time, it is expected that the fuse metal 29 is blown by the temperature rise in the tower.

  On the other hand, if the fuse metal 29 of the movable gallery 11 is melted before or after the fire extinguishing system 12 is started in the event of a fire in the tower, (5) the gallery main body 20 even when the gas cylinder 24 of the movable gallery 11 is not operating. Closes. (6) After that, the fire extinguishing system 12 is started manually or automatically, and fire extinguishing gas is injected into the tower. (7) Also, as in (4) above, the piston rod 24a extends and the louver main body 20 is ready for its opening operation. (8) Further, the fire extinguishing gas is supplied as the working gas to the gas cylinder 55 of the damper 54 of the exhaust facility 16 and the damper 54 is closed. The fire is extinguished by the fire extinguishing agent over time.

  (9) The gas release on-off valve 51 is opened from the gas cylinder 24 of the movable gallery 11 to discharge gas. (10) The gas release on-off valve 58 is also opened from the gas cylinder 55 of the exhaust damper 54. Then, the gas is discharged, and (11) the exhaust fan 53 is started. By doing so, the air in the exhaust duct 52 is discharged and becomes negative pressure. Further, (12) the gallery main body 20 is opened by the degassing operation of the gas cylinder 24 of the movable gallery 11, and (13) the exhaust damper 54 is rotated by the degassing operation of the gas cylinder 55 of the exhaust damper 54. To do. As described above, the gas in the tower is discharged to the outside, and ventilation in the tower is performed.

  (14) When a predetermined time has elapsed since the exhaust operation of the exhaust fan 53 started, (15) the exhaust fan 53 stops and the parking tower 2 returns to the normal state. If it does so, an operator will enter a tower, will perform the exchange work of a fuse metal, and will return the connection member 25 and the engagement member 26 of the movable gallery 11 to the original state.

  Next, in FIG. 13, due to a fire near the parking tower 2, flame and smoke enter the tower through the louver, and the outer wall panel of the tower 2 is heated by the radiant heat of the flame. As a result, the fuse metal 29 of the movable gallery 11 is melted. Then, (1) The gallery main body 20 is closed without operating the gas cylinder 24 of the movable gallery 11. (2) If the fire detector 15 of the parking tower 2 is activated, it is determined that a fire has occurred in the tower, and the operation of step (4) in FIG. 12 in the above-mentioned tower fire is started. Then, step (15) in FIG. 12 is reached.

  Even if a fire in the vicinity is extinguished without the fire detector 15 being activated, soot or the like from the open louver between the occurrence of the fire and the fusing of the fuse metal 29 (closing the louver) There is a possibility of entering the parking tower 2. In this case, even after a nearby fire is extinguished, it is not possible to immediately enter the parking tower 2 and replace the fuse metal. Therefore, perform forced ventilation in the tower according to the following procedure.

  If the fire detector 15 is not activated, the fire extinguishing gas is not supplied, so that the fire extinguishing gas cannot be used immediately to open the movable gallery 11. Therefore, (3) the three-way port switching valve 48 of the opening gas supply pipe 47 in the starting device 14 is switched to the gas cylinder 24 side of the movable gallery 11, and (4) the opening gas cylinder 44 is started manually. Then, (5) the opening gas is sent as the working gas to the gas cylinder 24 of the movable gallery 11, and the engaging member 26 engages and connects the piston rod 24 a and the swing arm 28 to open the gallery main body 20. Get ready for. Next, (6) the gas vent 24 is opened from the gas cylinder 24 of the movable gallery 11 to discharge the gas. At the same time, (7) the exhaust fan 53 is activated. Further, (8) The gallery main body 20 is automatically opened by the degassing operation of the gas cylinder 24 of the movable gallery 11. As a result, the gas in the tower is discharged to the outside, and ventilation in the tower is performed.

  (9) When the exhaust operation of the exhaust fan 53 starts and a predetermined time elapses, (10) the exhaust fan 53 stops and the parking tower 2 returns to the normal state. If it does so, an operator will enter a tower, will perform the exchange work of a fuse metal, and will return the connection member 25 and the engagement member 26 of the movable gallery 11 to the original state.

  The gas cylinders 24 and 55 in the above-described embodiment incorporate a spring member that urges the piston rod in one direction, but is not limited to this configuration. For example, the piston rod may be expanded and contracted by supplying the working gas to both sides of the piston in the cylinder.

  The movable louver or fire extinguishing system of the present invention can be installed not only in a parking apparatus but also in other buildings having a fire extinguishing target section. It can also be installed in an existing building.

It is sectional drawing which shows schematically the three-dimensional parking apparatus as an example of the building in which one Embodiment of the movable louver and fire extinguishing system of this invention was installed. It is a front view which shows one Embodiment of the movable gallery arranged by the outer wall part of the parking apparatus of FIG. It is the III-III sectional view taken on the line of FIG. FIG. 4 is a cross-sectional view taken along the line IV-IV of FIG. 3, showing the movable gallery of FIG. 2 in an open state. It is a figure equivalent to the IV-IV sectional view taken on the line of FIG. 3 which shows the movable gallery of FIG. 2 in a closed state. It is a figure equivalent to the IV-IV sectional view taken on the line of FIG. 3 which shows the movable gallery of FIG. 2 in a closed state. It is a VII-VII line arrow directional view of Drawing 4 showing a connecting member and an engagement member in movable gable of Drawing 2. 8A is a side view of the blade 5 in the movable gallery of FIG. 2, FIG. 8B is a side view of the support arm in the movable gallery of FIG. 2, and FIG. 8C is the support arm. FIG. It is a figure equivalent to the IV-IV sectional view taken on the line of FIG. 3 which shows the movable gallery of FIG. 2 in a closed state. It is a front view which shows the guide plate in the engaging member of FIG. It is sectional drawing which shows the expansion-contraction engagement pin member in FIG. It is a flowchart which shows an example of operation | movement of the fire extinguishing system of this invention. It is a flowchart which shows the other example of operation | movement of the fire extinguishing system of this invention. It is sectional drawing which shows an example of the conventional louver. It is sectional drawing which shows the other example of the conventional louver.

Explanation of symbols

1 ... Parking device
2 ... Parking tower
3 ... Parking shelf
4 ... Entry / exit floor
6 ... Entrance / exit
7. Pit
8 ... Turntable
9 ... Operation panel
10. Outer wall
11 ... Movable gallery
12 .... Fire extinguishing system
13 .... Fire extinguishing gas supply equipment
14 .... Starting device
15 .... Fire detector
16. Exhaust equipment
17 .... Control device
18... Frame member
19 ... blades
20 ... Garari body
21... Drive device
22 ... Support arm
23 ··· Connection rod
24 ... Gas cylinder
25... Connecting member
26... Engaging member
27... Spring member
28 .. Swing arm
29 .... Fuse metal
30 .. Vertical motion plate
31 .... Connecting plate
32.. Expansion / contraction pin member
33... Engagement hole
34... Inclined guide member
35 ... Guide board
36 ・ ・ ・ ・ Pin case
37 ... Nut
38... Engaging pin
39 ··· Compression spring
40 ... Bolt nut
41 .... Fire extinguishing gas supply piping
42... Gas injection nozzle
43... Check valve
44... Gas cylinder for opening
45 ... Fire alarm
46... Start operation section
47 ... ・ Opening gas supply pipe
48 ··· Three-way switching valve
49... Check valve
50 .... Exhaust pipe
51... Open / close valve
52 .... Exhaust duct
53 ... Exhaust fan
54 ... Damper
55 ... Gas cylinder
56... Check valve
57 .... Exhaust pipe
58 ... ・ Open / close valve
M ・ ・ ・ ・ Vehicle

Claims (9)

A plurality of blades pivotally supported at predetermined intervals, a support arm fixed to each blade, and the support arm pivotally provided between an open position and a closed position of the blade A gall body having a connecting rod capable of moving,
A drive device having a first fluid pressure cylinder for rotating the blade plate to its open position and closed position by expansion and contraction of the piston rod ;
The blade is configured to be urged in a closing direction, and a fuse member is disposed to hold the wing plate in its open position against the urging force.
The drive device has a connecting member for connecting the piston rod and the gallery main body through the fuse member,
Between the gallery main body and the piston rod, there is disposed an engagement member configured to connect the piston rod to the gallery main body when in the closed state by extending or contracting.
The engaging member includes a swing arm for displacing the gallery main body to an open position and a closed position, a vertical movement member connected to a piston rod, an engagement pin member disposed on the vertical movement member, and the engagement The engagement hole formed in the swing arm so that the engagement pin member can be engaged, and the engagement pin member reaches the engagement hole by the expansion or contraction of the piston rod in the closed state of the gallery main body. A movable gallery provided with a guiding member . A plurality of blades pivotally supported at predetermined intervals, a support arm fixed to each blade, and the support arm pivotally provided between an open position and a closed position of the blade A gall body having a connecting rod capable of moving,
A drive device having a first fluid pressure cylinder for rotating the blade plate to its open position and closed position by expansion and contraction of the piston rod;
The blade is configured to be urged in a closing direction, and a fuse member is disposed to hold the wing plate in its open position against the urging force.
The drive device has a connecting member that connects the piston rod and the gallery main body via the fuse member,
The connecting member has a swing arm for displacing the louver main body to an open position and a closed position, and a vertical movement member connected to the piston rod. It is connected and configured so that the driving force is transmitted to the main body through the vertical movement member, the fuse member and the swing arm by expansion and contraction of the piston rod ,
When the fuse member is cut between the swing arm and the vertically moving member and the gallery main body is in a closed state, the piston rod is extended or contracted so that the vertically moving member is moved to the swing arm. A movable louver provided with an engaging member that is engaged and connected so that the louver main body can be opened . The movable gallery according to claim 1 or 2 , wherein a spring member is connected to the swing arm as means for urging the swing arm in a direction in which the blade is closed. The swing arm is fixed to the rotation center axis of at least one blade plate, and by swinging the swing arm, the other blade plate is moved from the blade plate to the open position and the closed position through the support arm and the connecting rod. The movable gallery according to claim 1 or 2, wherein a displacement force is transmitted. A fire extinguishing system for a building that constitutes a fire extinguishing target section,
A movable gallery that communicates with the inside and outside of the building;
A fire extinguishing gas supply device that supplies fire extinguishing gas to the fire extinguishing target section,
The movable gallery is the movable gallery according to any one of claims 1 to 4 .
A fire extinguishing system in which the first fluid pressure cylinder of the movable gallery is constituted by a gas cylinder. The fire-extinguishing system according to claim 5, wherein a part of the fire-extinguishing gas is supplied from the fire-extinguishing gas supply device as the working gas to the first gas cylinder of the movable gallery. An exhaust duct provided with a fan for exhausting air inside the building to the outside is disposed in the building, and a gas exhaust pipe for discharging the working gas inside the first gas cylinder, The fire extinguishing system according to claim 5 , wherein the fire extinguishing system is connected to the exhaust duct from the first gas cylinder. An activation device that supplies an activation gas to activate the fire extinguishing gas supply device is provided, and a part of the activation gas from the activation device is supplied as a working gas to the first gas cylinder of the movable gallery. The fire-extinguishing system according to claim 5, which is configured as described above. A damper that opens and closes the exhaust duct and a second gas cylinder for driving the damper are provided, and the fire extinguishing gas is supplied from the fire extinguishing gas supply device to the second gas cylinder as a working gas. The fire-extinguishing system according to claim 7, which is configured as follows.

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