JP5949624B2 - Goods storage equipment - Google Patents

Description

  The present invention is provided with a storage shelf for storing articles, a fire extinguishing container that forms a storage space for storing a fire-extinguishing liquid, and a transport device that transports articles from the storage shelf to the storage space. The container includes an opening for transporting an article to the storage space above the storage space, and the transport device stores the article after a fire has occurred in the article stored in the storage shelf. The present invention relates to an article storage facility that conveys articles from a shelf to the storage space of the fire-extinguishing container through the opening and immerses articles in a fire-extinguishing liquid.

  As a conventional example of such an article storage facility, a fire extinguishing liquid is stored in advance in a storage space of a fire extinguishing container, and when a fire occurs in an article stored in a storage shelf, the article is used for extinguishing the fire from the storage shelf. There is one that extinguishes a fire generated in an article by transporting it to a storage space of a container and immersing the article in a fire extinguishing liquid (see, for example, Patent Document 1).

JP 2012-025549 A

As described above, by storing the fire-extinguishing liquid in the storage space of the fire-extinguishing container in advance, when a fire occurs in the article, water is already stored in the storage space of the fire-extinguishing container. The fire generated in the article can be quickly extinguished by transporting the article in which the fire has occurred to the storage space by the transport device and immersing the article in water.
However, fires do not occur frequently in the articles stored in the storage rack, and the fire extinguishing liquid stored in the fire extinguishing container before the fires occur is caused by evaporation. Decrease. Therefore, it is necessary to appropriately replenish the storage space of the fire-extinguishing container with the fire-extinguishing liquid, and the replenishment work of the fire-extinguishing liquid is troublesome.
Further, for example, when the article stored in the storage shelf is a charged secondary battery to be aged, the space in which the storage shelf is installed is at least a temperature-controlled air-conditioning space. When the fire-extinguishing liquid is water, the humidity around the fire-extinguishing container is increased by water vapor generated from the fire-extinguishing container, and the humidity tends to be uneven depending on the storage position in the storage shelf. This makes it difficult to maintain a uniform aging environment over the entire storage shelf, resulting in inconvenience in quality control of the secondary battery.

  The present invention has been made in view of the above circumstances, and its purpose is that, when a fire has occurred in an article, it is possible to quickly extinguish the fire that has occurred in the article, and the troublesome work of replenishing the fire-extinguishing liquid. It is in the point which provides the article storage equipment which can be reduced.

The article storage facility according to the present invention includes a storage shelf for storing articles, a fire-extinguishing container that forms a storage space for storing a fire-extinguishing liquid, and a transport device that transports articles from the storage shelf to the storage space. The fire extinguishing container is provided with an opening for transporting an article to the storage space above the storage space, and the transport device has fired in the article stored in the storage shelf, The article is configured to be conveyed from the storage shelf to the storage space of the fire-extinguishing container through the opening, and the article is immersed in the fire-extinguishing liquid, and the first characteristic configuration is
An evaporation preventing body for preventing evaporation of the fire-extinguishing liquid in the fire-extinguishing container is provided;
The anti-evaporation body maintains an anti-evaporation state that prevents evaporation of the fire-extinguishing liquid in the fire-extinguishing container before a fire occurs in the articles stored in the storage shelf, and is stored in the storage shelf. After a fire has occurred in the fired article, the evaporation prevention state is switched to a fire extinguishing state that allows the article to be immersed in the fire extinguishing liquid.

That is, the evaporation preventing body is in an evaporation preventing state until a fire occurs in the article stored in the storage shelf. When the evaporation preventing body is in the evaporation preventing state in this way, the extinguishing liquid in the storage space is prevented from being evaporated by the evaporation preventing body. It is not necessary to replenish the fire-extinguishing liquid, or the number of times can be reduced even if the fire-extinguishing liquid is replenished. Therefore, the troublesomeness by the replenishment work of the fire extinguishing liquid can be reduced.
Then, after a fire has occurred in the article stored in the storage shelf, the evaporation preventing body is switched from the evaporation preventing state to the fire extinguishing state. Therefore, the article in which the fire has occurred can be transferred to the storage space by the transfer device and immersed in the fire extinguishing liquid, and the fire generated in the article can be quickly extinguished.

  According to a second characteristic configuration of the article storage facility according to the present invention, in the first characteristic configuration, the evaporation preventing body is formed by an encapsulating bag enclosing the fire-extinguishing liquid, and the evaporation preventing state is in the enclosing bag. The fire extinguishing liquid is enclosed and the enclosing bag is installed in the storage space, and the fire extinguishing state ruptures the encapsulating bag and causes the fire extinguishing liquid in the enclosing bag to be stored in the storage space. A contact member that contacts the enclosure bag in the fire-extinguishing container and ruptures the enclosure bag, and the contact member approaches the enclosure bag in the fire-extinguishing container. And a moving device for moving, wherein the sealed bag is ruptured by the contact member so that the sealed bag is switched from the evaporation preventing state to the fire extinguishing state. .

That is, while the enclosing bag is in an evaporation preventing state, the extinguishing liquid is prevented from evaporating by sealing the extinguishing liquid with the enclosing bag. Moreover, the contact member is moved toward the enclosing bag by the moving device, the contact member is brought into contact with the enclosing bag, and the enclosing bag is ruptured by the contact of the contact member, thereby switching the enclosing bag to the fire extinguishing state. Can do. Then, when the enclosure bag is switched to the fire extinguishing state, the fire extinguishing fluid flows out of the enclosure bag in the storage space, so that the fire that has occurred in the article is extinguished by immersing the article in the leaked fire extinguishing liquid. Can do.
By simply rupturing the encapsulating bag in this way, the evaporation preventing body can be easily switched from the evaporation preventing state to the fire extinguishing state, and the article can be immersed in the fire extinguishing liquid.

  According to a third characteristic configuration of the article storage facility according to the present invention, in the second characteristic configuration, the transfer device supports the article by placing and supporting the article, and the fire extinguishing unit passes the support part through the opening of the fire extinguishing container. A lowering operation mechanism for moving the container downward to the storage space, the contact member is attached to the support portion, and the moving device is configured by the lowering operation mechanism.

  That is, the contact member is attached to the support portion of the transport device, and the support member is moved downward to transport the article to the storage space of the fire extinguishing container, so that the contact member attached to the support portion is positioned in the storage space. The enclosing bag can be ruptured by the contact member by moving toward the enclosing bag. Thus, since the moving device that moves the contact member is configured by the lowering operation mechanism of the transport device, it is not necessary to provide a dedicated device for rupturing the encapsulating bag, and the configuration can be simplified. Can do.

  According to a fourth characteristic configuration of the article storage facility according to the present invention, in the first characteristic configuration, the evaporation preventing body has a specific gravity smaller than the fire extinguishing liquid stored in the storage space and is more volatile than the fire extinguishing liquid. The evaporation prevention state is a state in which the evaporation prevention liquid covers the entire upper surface of the fire extinguishing liquid stored in the storage space, and the fire extinguishing state is the evaporation state. The transport for supporting the article or the article to be moved down into the storage space by the transport device, in which the prevention liquid does not cover part or all of the upper surface of the fire-extinguishing liquid stored in the storage space The evaporation preventing liquid is switched from the evaporation preventing state to the fire extinguishing state by moving the article down to the storage space while pushing the evaporation preventing liquid away from the support portion of the apparatus. There is the point that has been made.

That is, in the state where the evaporation preventing liquid is in the evaporation preventing state, it is possible to prevent the extinguishing liquid in the storage space from evaporating by covering the upper surface of the extinguishing liquid with the evaporation preventing liquid. Further, since the evaporation preventing liquid is a liquid, when the article is transported to the storage space by the transport device, the evaporation preventing liquid is used in the article that moves downward toward the storage space or the support portion that supports the article. The article can be conveyed to the storage space while pushing away. Then, by extinguishing the evaporation preventing liquid by the article conveyed by the conveying device or by the support part in the conveying device, the extinguishing liquid does not cover part or all of the upper surface of the extinguishing liquid from the evaporation preventing state. It can be switched to the use state.
In this way, it is not necessary to provide a dedicated device for moving the evaporation prevention body from the upper surface of the fire-extinguishing liquid by pushing away the evaporation-preventing liquid by using the conveying operation of the article by the conveying device, and it is simple. With the configuration, the evaporation preventing body can be switched from the evaporation preventing state to the fire extinguishing state.

  According to a fifth characteristic configuration of the article storage facility according to the present invention, in the first characteristic configuration, the evaporation prevention body is configured by a lid that closes the opening, and the evaporation prevention state is to close the opening. The lid is in a state of being located at a closed position for closing the opening, and the fire extinguishing state is a state of being in an open position in which the lid is retracted from the opening to open the opening, An opening / closing switching device for moving the lid body between the closed position and the opening position is provided, and the opening / closing switching device moves the lid body from the closed position to the open position, thereby moving the lid body. It is the point which is comprised so that it may switch from the said evaporation prevention state to the said fire extinguishing state.

  That is, in the state where the lid is in an evaporation preventing state, the lid is positioned at the closed position and the opening of the fire extinguishing container is closed by the lid, so that the fire extinguishing liquid in the storage space is prevented from evaporating. be able to. In addition, the lid can be switched to the fire extinguishing state by retracting the closed lid from the opening and retracting it to the open position by the open / close switching device, and the article can be extinguished through the opening by the transport device. The article can be immersed in a fire extinguishing fluid by being transported to the storage space of the container.

  According to a sixth characteristic configuration of the article storage facility according to the present invention, in the first, second, or fifth characteristic configuration, the prevention body switching device that switches the evaporation prevention body from the evaporation prevention state to the fire extinguishing state, and the storage A fire detection device for detecting the occurrence of a fire of an article stored in a shelf, and the prevention body switching to switch the evaporation prevention body from the evaporation prevention state to the fire extinguishing state based on detection information of the fire detection device And an evacuation control device for controlling the operation of the device.

  In other words, when a fire occurs in an article stored in the storage shelf and this is detected by the fire detection device, the evacuation control device controls the operation of the evaporation prevention body based on the detection information of the fire detection device. Thus, the evaporation preventing body can be automatically switched from the evaporation preventing state to the fire extinguishing state. Therefore, when the worker recognizes the fire of the article, it is not necessary to switch the evaporation preventing body from the evaporation preventing state to the fire extinguishing state, and the operator's fire fighting operation can be simplified.

  According to a seventh feature configuration of the article storage facility according to the present invention, in any one of the first to sixth feature configurations, the transfer device places an article from the storage shelf to a relay point set immediately above the fire extinguishing container. It is in the point comprised by the 1st conveying apparatus which conveys, and the 2nd conveying apparatus which conveys articles | goods to the said storage space of the said fire extinguishing container from the said relay location.

That is, a 1st conveyance is comprised by comprising a conveyance apparatus with the 1st conveyance apparatus which conveys articles | goods from a storage shelf to a relay location, and the 2nd conveyance apparatus which conveys articles | goods to the storage space of the fire extinguishing container from a relay location. It is not necessary for the apparatus to have a function of transporting articles to the storage space of the fire extinguishing container, and the configuration of the first transport apparatus can be simplified and reduced in weight.
Moreover, since a 1st conveying apparatus conveys articles | goods between the storage parts of a storage shelf, it is used for conveying articles | goods for the normal storage / exit where the article does not have a fire. However, it is possible to reduce the running cost of the article storage facility by reducing the weight of the first transport device. In addition, by setting the relay location as one of the transfer target locations of the transfer device that performs normal loading / unloading, the transfer function of the transfer device that performs the loading / unloading can be used as it is.

  An eighth feature of the article storage facility according to the present invention is the seventh feature, wherein the second transport device places and supports an article placed and supported from an elevated position where the article located at the relay location is placed and supported. A load receiving portion that can be moved down by its own weight to a lowered position located in the storage space of the container for storage, a holding state in which the load receiving portion is held at the raised position, and a release state in which the holding on the load receiving portion is released can be switched. And a holding device.

That is, by holding the holding device from the holding state to the releasing state, the holding of the cargo receiving unit by the holding device is released. Then, by releasing the holding of the cargo receiving portion, the cargo receiving portion moves downward due to its own weight and moves to the storage space in the fire extinguishing container, and the article supported by the cargo receiving portion is immersed in the fire extinguishing liquid. Can do.
In other words, the second transport device can transport the article from the relay location to the storage space only by releasing the holding of the load receiving portion by the holding device, and the second transport device moves the load receiving portion up and down. Therefore, it is possible to simplify the configuration of the second transport device.

Top view of goods storage equipment Partially enlarged perspective view of storage shelf Side view of stacker crane Front view of stacker crane Control block diagram Front view of fixed fire extinguishing system Front view of fixed fire extinguishing system Front view of a fire extinguishing apparatus for fixing according to another embodiment (1) Front view of a fire extinguishing apparatus for fixing according to another embodiment (1) Front view of the fire extinguishing device for fixing of another embodiment (2) Front view of the fire extinguishing device for fixing of another embodiment (2) Front view of the fire extinguishing device for fixing of another embodiment (3)

Hereinafter, an embodiment of an article storage facility according to the present invention will be described with reference to the drawings.
As shown in FIG. 1, the article storage facility includes a storage shelf 1 that stores a plurality of articles, a load receiving unit 2 that supports the articles, and a stacker crane that conveys articles between the storage shelf 1 and the load receiving unit 2. 3 are provided.

  The stacker crane 3 is allowed to travel along a linear travel path by being guided by a linear end-like travel rail 4 laid on the floor surface. A pair of storage shelves 1 are provided in a state in which the direction in which the articles are taken in and out are opposed to each other and located on both sides of the travel path of the stacker crane 3. In addition, a pair of the cargo receiving portions 2 are provided in a state of being positioned on both sides of the travel path of the stacker crane 3 and being aligned with each of the pair of storage shelves 1 in the lateral width direction of the shelf.

  The article of the present embodiment is a charged secondary battery, is stored in the storage shelf 1 for aging, and is stored in the storage shelf 1 under an air-conditioning environment in which the temperature is controlled at least for a certain period of time. It is delivered from the storage shelf 1. The article storage facility is provided with a fire detection device 6, a moving fire extinguishing device E1, a stationary fire extinguishing device E2 and the like in preparation for a case where an article stored in the storage shelf 1 generates heat and a fire occurs in the article. It has a fire countermeasure system that automatically takes appropriate measures to extinguish the fire and prevent the spread of fire.

〔Storage rack〕
As shown in FIG. 2, the storage shelf 1 is configured by arranging a plurality of storage units 8 that can store articles in the shelf width direction and the shelf vertical direction, and each storage unit 8 is a pair of arms arranged in the shelf width direction. 9, the article is stored in a state where both sides of the article in the width direction of the shelf are placed and supported.
Moreover, each storage part 8 is surrounded by a fireproof panel 10 made of a flame retardant material such as rock wool on the side, top and bottom surfaces, and the back in the width direction of the shelf, and the fireproof panel on the top surface of each storage part 8. 10, a fire detection device 6 that detects that a fire has occurred in the storage unit 8 by detecting heat or smoke due to the fire when an article stored in the storage unit 8 is fired. Fire sensor 6a is provided.

(Receiving part)
As shown in FIG. 1, as a cargo receiving unit 2, an incoming / outgoing cargo receiving unit 2 a that supports an article that is stored in the storage shelf 1 or an article that is output from the storage shelf 1, and a fire-fighting load receiver that supports the fired article. Part 2b is set. As shown in FIG. 4, the loading / unloading receiving part 2 a is set at the transfer end of the loading / unloading conveyor 11 that conveys articles to / from the outside, and the fire-fighting receiving part 2 b is a fixed fire extinguishing device E 2. And is set above the fire extinguishing container 23 for extinguishing the fire article Wf.

  The fired article is designated as a fire article Wf, the non-fired article is designated as a regular article Wn, and the regular article Wn of the loading / unloading receiving part 2a is stored in the storage section 8 of the storage shelf 1 by the stacker crane 3. The normal article Wn stored in the storage section 8 of the storage shelf 1 is transferred to the loading / unloading receiving section 2a by the stacker crane 3. Further, the fire article Wf stored in the storage unit 8 of the storage shelf 1 is conveyed by the stacker crane 3 to the fire-fighting load receiving unit 2b.

[Stacker crane]
As shown in FIG. 3, the stacker crane 3 can move up and down a lifting path formed between a traveling carriage 12 that can travel along the traveling path and a pair of front and rear lifting masts 13 that are erected on the traveling carriage 12. And an article transfer device 15 having a slide fork for placing and supporting the article. The stacker crane 3 includes a traveling operation in which the traveling carriage 12 travels along the traveling path, a lifting operation in which the lifting platform 14 moves up and down along the lifting path, a transfer operation of the article transfer device 15, Thus, the article is transported between the storage unit 8 and the cargo receiving unit 2.

  The traveling carriage 12 is provided with a traveling electric motor M1 that drives the traveling carriage 12 and a lifting electric motor M2 that drives the lifting platform 14 up and down. Further, the lifting platform 14 is provided with a transfer electric motor M <b> 3 that drives the article transfer device 15 to move in and out. Each of the traveling electric motor M1, the lifting electric motor M2, and the transfer electric motor M3 is constituted by a servo motor.

[Moving fire extinguishing device]
The fire extinguishing apparatus E1 for movement is provided in the stacker crane 3, and is configured to extinguish the fire article Wf conveyed by the stacker crane 3.
As shown in FIG. 3, the moving fire extinguisher E <b> 1 is configured to spray carbon dioxide.
Specifically, the moving fire extinguisher E1 includes two carbon dioxide gas cylinders 17 filled with liquefied carbon dioxide, a pressure resistant hose 19 connected to the carbon dioxide gas cylinder 17 via a cylinder opening / closing valve 18, and a tip of the pressure resistant hose 19. It comprises a jet nozzle 20 connected. The carbon dioxide cylinder 17 is attached to the lifting mast 13, and the ejection nozzle 20 is attached to the lifting platform 14.
The cylinder opening / closing valve 18 is controlled to be opened / closed by the movement fire extinguishing control executed by the crane controller 46 (see FIG. 5). Carbon dioxide from the gas cylinder 17 is ejected from the ejection nozzle 20 toward the article on the article transfer device 15.

[Fixing fire extinguishing device]
The fixing fire extinguishing device E <b> 2 is provided on the floor surface, and an enclosing bag 27 for preventing evaporation of water w in the fire extinguishing container 23 is provided. The enclosing bag 27 is an article stored in the storage shelf 1. Prior to the occurrence of a fire, the state of the encapsulating bag 27 is maintained after maintaining an evaporation prevention state that prevents evaporation of the water w in the fire-extinguishing container 23 and a fire has occurred on the articles stored in the storage shelf 1. It is switched from the evaporation prevention state to the fire extinguishing state that allows the fire article Wf to be submerged in the fire extinguishing container 23.

As shown in FIG. 6, the encapsulating bag 27 is in a state in which water w is enclosed in the enclosing bag 27 and installed in the storage space 23 a of the fire-extinguishing container 23, as shown in FIG. In the use state, as shown in FIG. 7, the encapsulating bag 27 is ruptured and the water w in the enclosing bag 27 flows out of the enclosing bag in the storage space 23a. That is, before the fire occurs in the articles stored in the storage shelf 1, as shown in FIG. 6, the enclosing bag 27 maintains the evaporation preventing state, and the water w in the fire-extinguishing container 23 is stored in the enclosing bag. Evaporation is prevented because it is enclosed in 27. Then, after a fire has occurred in the articles stored in the storage shelf 1, as shown in FIG. 7, the sealed bag 27 is ruptured by rupturing the sealed bag 27, and the water w in the sealed bag 27 is stored. It flows out of the enclosing bag 27 in the space 23a.
Thus, the fire article Wf can be submerged in the water w flowing out of the encapsulating bag 27 by conveying the fire article Wf into the fire extinguishing container 23 by the conveying device A in a state where the enclosing bag 27 is ruptured. The fire generated in the fire article Wf is extinguished by the cooling action by the water w and the suffocation action by being submerged.

  The fixing fire extinguishing device E2 is a fire extinguishing container 23 that forms a storage space 23a for storing water w, and a descending device that causes the fire article Wf on the load receiving table 24 to fall together with the load receiving table 24 into the storage space 23a of the fire extinguishing container 23. 25, the manual lifting device 26 for lifting the load receiving platform 24 from the storage space 23a, the enclosing bag 27 for preventing the evaporation of the water w in the fire-extinguishing container 23, and the state of the enclosing bag 27 from the evaporation preventing state to the fire extinguishing state A prevention body switching device 28 for switching is provided.

The fixing fire extinguishing device E2 corresponds to a fire extinguishing device that extinguishes a fire generated in the fire article Wf in the fire extinguishing container 23. The water w corresponds to the fire extinguishing liquid of the present invention, and the enclosing bag 27 corresponds to the evaporation preventing body of the present invention that prevents evaporation of the water w in the fire extinguishing container 23. The location where the load receiving base 24 constitutes the fire receiving load receiving portion 2b and the fire receiving base 24 supports the fire article Wf in the state where the load receiving stand 24 is raised to the raised position (see FIG. 6). Corresponds to the location.
The stacker crane 3 corresponds to the first transport device of the present invention that transports the fire article Wf from the storage shelf 1 to the relay location set just above the fire-extinguishing container 23, and the lowering device 25 is connected to the relay location. This corresponds to the second transfer device of the present invention that moves the fire article Wf from the storage space 23a of the fire-extinguishing container 23 to the storage space 23a.
In addition, the stacker crane 3 and the lowering device 25 transport the fire article Wf from the storage shelf 1 to the storage space 23a of the fire-extinguishing container 23 through the opening 23b and submerge the fire article Wf in the water. The apparatus A is configured, and the conveying apparatus A conveys the article from the storage shelf 1 to the storage space 23a of the fire extinguishing container 23 of the fixing fire extinguishing apparatus E2 after a fire occurs in the article stored in the storage shelf 1. It is configured freely.

The fire-extinguishing container 23 has a storage space 23a in which the water w exists when the water w is stored by a set amount in the internal space of the fire-extinguishing container 23. Further, the fire-extinguishing container 23 includes an opening 23b for conveying the fire article Wf to the storage space 23a above the storage space 23a, and the opening 23b is for fire extinguishing located above the storage space 23a. It is formed at the upper end of the container 23. Incidentally, the set amount of the water w described above is set to an amount by which the entire fire article Wf is submerged, and the storage space 23a is from the height indicated by the symbol F in FIG. 6 and FIG. The space below is a space where the fire article Wf submerged in addition to the set amount of water w exists.
The fire-extinguishing container 23 is made of SS material (general structural rolled steel), and the surface is coated with rust prevention. The fire extinguishing container 23 is provided with a vinyl sheet 29 so that the water w supplied to the storage space 23a and the fire extinguishing container 23 do not come into contact with each other.

The load receiving stand 24 includes a stand main body 31 for placing and supporting both sides of the fire article Wf in the shelf width direction, an engaged portion 32 to which the telescopic rod 25a of the lowering device 25 is detachably engaged, and a manual operation. And a hook portion 33 to which the hanging hook 36 of the type lifting device 26 is hooked. The load receiving platform 24 is normally supported by the lowering device 25 in a state where the engaged portion 32 is positioned at the ascending position by engaging the rod portion 34 a of the lowering device 25. Thus, in the state where the load receiving stand 24 is located at the raised position, the load receiving stand 24 is located above the opening 23 b of the fire-extinguishing container 23 so that the stacker crane 3 can be conveyed to the load receiving stand 24. .
Similarly to the storage unit 8, the load receiving platform 24 is configured to support the article in a state in which both sides of the article in the shelf width direction are placed and supported by a pair of support parts arranged in the shelf width direction. Yes. Therefore, the stacker crane 3 can send and receive articles to and from the load receiving platform 24 in the same movement as when transferring articles to and from the storage unit 8, and the stacker crane in a normal time when no fire has occurred. The fire article Wf can be transported to the load receiving stand 24 using the article transport function of the crane 3 as it is.

  The lowering device 25 includes a load receiving table 24 and an electric cylinder 34 that supports the load receiving table 24 at the raised position. The electric cylinder 34 includes a rod part 34a that can be expanded and contracted, and a tube part 34b that expands and contracts the rod part 34a. When the rod part 34a is extended, the tip of the rod part 34a receives the load. The table 24 is engaged with the engaged portion 32 of the table 24, and the load receiving table 24 is supported at the raised position by the lowering device 25. Then, by shortening the rod portion 34a, the engagement with the engaged portion 32 is released, and the load receiving stand 24 is dropped by its own weight together with the fire article Wf, so that the load receiving stand 24 and the fire article Wf are extinguished. It is comprised so that it may move in 23. The electric cylinder 34 is configured such that the rod portion 34a is expanded and contracted by fixed fire extinguishing control executed by the ground controller 45 (see FIG. 5).

  In this way, the lowering device 25 (conveying device A) moves the fire article Wf placed and supported from the raised position where the article located at the relay location is placed and supported to the lowered position where the fire article Wf is located in the storage space 23a of the fire extinguishing container 23. A load receiving base 24 that can be moved downward by its own weight, and an electric cylinder 34 that moves the load receiving base 24 downward through the opening 23 b of the fire-extinguishing container 23 to the storage space 23 a of the fire-extinguishing container 23. Note that the load receiving table 24 corresponds to the support portion and the load receiving portion of the present invention, and the electric cylinder 34 can be switched between a holding state in which the load receiving table 24 is held in the raised position and a release state in which the holding on the load receiving table 24 is released. This corresponds to the lowering operation mechanism and the moving device of the present invention.

  The manual lifting device 26 includes a suspension hook 36 connected to the distal end portion of the wire 35, and a winding drum 37 that can freely wind the proximal end portion side of the wire 35. The manual lifting device 26 rotates the winding drum 37 and winds the wire 35 in a state where the hanging hook 36 is hooked on the hook 33 in the load receiving base 24 located in the fire-extinguishing container 23. Thus, the load receiving stand 24 falling in the fire extinguishing container 23 is lifted.

  The encapsulating bag 27 is configured by forming a thin film material such as a plastic film or an aluminum vapor deposition film into a bag shape. And normally, the state (evaporation prevention state) in which the set amount of water w is sealed is maintained, and the contact member 39 comes into contact with and ruptures, so that the water w in the sealed bag 27 comes out of the sealed bag 27. It will be in the state of flowing out (fire extinguishing state).

  The prevention body switching device 28 contacts the enclosing bag 27 in the fire-extinguishing container 23 and ruptures the enclosing bag 27, and the lowering member moves the contact member 39 closer to the enclosing bag 27 in the fire-extinguishing container 23. Device 25. When the description is added, the contact member 39 is attached to the load receiving base 24, and the contact receiving member 39 attached to the load receiving base 24 is dropped by the apparatus 25 for lowering by the weight of the load receiving base 24 together with the fire article Wf. Is moved downward toward the enclosing bag 27 in the fire-extinguishing container 23, and the prevention member switching device 28 has the contact member 39 in the enclosing bag 27 while the load receiving platform 24 is lowered from the ascending position to the descending position. The enclosing bag 27 is ruptured in contact with.

[Control configuration]
The operation of the stacker crane 3 is controlled by a ground-side controller 45 (see FIG. 1) installed on the floor and a crane controller 46 (see FIG. 5) provided in the stacker crane 3.
As shown in FIG.1 and FIG.5, the ground side controller 45 and the crane controller 46 are connected by the optical communication apparatus 47 which transmits / receives the light for communication along a driving | running | working path | route so that wireless communication is possible. The optical communication device 47 includes a crane-side transmission / reception unit 47a disposed on the traveling carriage 12 of the stacker crane 3 and a ground-side transmission / reception unit 47b disposed at an end of the traveling path. .

As shown in FIG. 5, the crane controller 46 includes a conveyance control unit H <b> 1 and a fire extinguishing control unit H <b> 2 in a program format, and various input / output devices including an optical communication device 47 are connected.
When the fire detection device 6 does not detect the fire of the article, the ground-side controller 45 transmits the normal article conveyance information to the crane controller 46 via the optical communication device 47.
The transport controller H1 of the crane controller 46 controls the operation of the stacker crane 3 to transport the normal article Wn from the loading / unloading receiving part 2a to the storage target storage unit 8 based on the normal article transport command. It is configured to execute control and unloading / transporting control for controlling the operation of the stacker crane 3 so as to transport the normal article Wn from the storage unit 8 to be unloaded to the receiving / loading unit 2a for loading / unloading.

When the fire of the normal article Wn is detected by the fire detection device 6, the ground-side controller 45 transmits fire article conveyance information to the crane controller 46 via the optical communication device 47 and executes fixed fire extinguishing control. It is configured as follows.
The transport control unit H1 of the crane controller 46 operates the stacker crane 3 to transport the fire article Wf from the storage unit 8 in which the fire article Wf is stored to the fire-fighting receiving part 2b based on the fire article transport information. Fire article conveyance control to be controlled is performed, and conveyance completion information is transmitted to the ground-side controller 45 via the optical communication device 47 as the conveyance of the fire article Wf to the fire-fighting receiving part 2b is completed. Configured to send.

The fire extinguishing control unit H2 of the crane controller 46 controls the operation of the moving fire extinguishing device E1 so as to disperse carbon dioxide toward the fire article Wf to be conveyed by opening the ejection nozzle 20 based on the fire article conveyance information. The mobile fire extinguishing control is configured to execute.
Further, in the fixed fire extinguishing control of the ground side controller 45, the operation of the lowering device 25 is controlled to shorten the telescopic rod 25a based on the conveyance completion information from the crane controller 46.

  As described above, when a fire occurs in the article stored in the storage unit 8, the fire article Wf which is the fired article is conveyed to the fire-fighting receiving part 2b while the fire is extinguished by the moving fire extinguisher E1. Is done. When the fire article Wf is conveyed from the fire-fighting receiving part 2b to the storage space 23a of the fire-extinguishing container 23, the enclosing bag 27 is ruptured by the prevention body switching device 28, and water w flows from the enclosing bag 27, and the enclosing bag The descent device 25 immerses the fire article Wf in the water w that has flowed out from 27. When the fire is not detected by the fire detection device 6, the water w is enclosed in the enclosing bag 27, so that it is prevented from evaporating, and bothering the replenishment work with the fire-extinguishing liquid. In addition, it is easy to maintain a uniform aging environment over the entire area of the storage shelf 1, and inconvenience in quality control of the secondary battery can be prevented.

[Another embodiment]
(1) In the above embodiment, the evaporation preventing body is the encapsulating bag 27. However, the evaporation preventing body has a lower specific gravity than the fire extinguishing liquid stored in the storage space and has a lower volatility than the fire extinguishing liquid. It may be liquid o.
As shown in FIG. 8, specifically, when the fire extinguishing liquid is water w, the evaporation preventing liquid o may be silicone oil or the like, and the evaporation preventing liquid o is in the storage space 23a. The entire upper surface of the stored water w may be covered, and the fire extinguishing state may be a state where the evaporation preventing liquid o does not cover a part or all of the upper surface of the water w stored in the storage space 23a.

  Then, as shown in FIGS. 8 and 9, the fire article Wf is configured such that the prevention body switching device 28 is configured by the lowering device 25 (conveying device A) and is moved downward into the storage space 23 a by the lowering device 25. In addition, the evaporating prevention liquid o is moved down from the evaporation preventing state to the fire extinguishing state by moving the fire article Wf downward into the storage space 23a while pushing away the evaporation preventing liquid o at the load receiving table 24 that supports the fire article Wf. It may be.

(2) In the above embodiment, the evaporation preventing body is the encapsulating bag 27. However, as shown in FIGS. 10 and 11, the evaporation preventing body is constituted by a lid body 43 that closes the opening 23b, and the evaporation preventing state. The lid 43 is positioned at the closed position for closing the opening 23b to close the opening 23b, and the fire extinguishing state is set to the open position where the lid 43 is retracted from the opening 23b to open the opening 23b. It may be in a positioned state.

  Then, the lowering device 25 (conveying device A) is used as the prevention body switching device 28 for moving the lid 43 between the closed position and the open position, and the lowering device 25 is fired through the closed position lid 43. The lid W 43 may be pierced by the lowering device 25 so as to convey the article Wf to the storage space 23a, so that the evaporation preventing state is switched to the fire extinguishing state.

(3) In the above embodiment, the lowering device 25 is also used as the prevention body switching device 28. However, a dedicated prevention body switching device 28 may be provided.
Specifically, for example, as shown in FIG. 12, in the case where the evaporation preventing body is an encapsulating bag 27, the prevention body switching device 28 is moved downwardly with the contact member 39 attached to the load receiving table 24 and the load receiving table 24. The lowering device 25 is configured such that the prevention body switching device 28 is switched by the switching electric cylinder 41 in which the rod portion 41a projects and moves toward the enclosing bag 27, and the tip of the rod portion 41a of the switching electric cylinder 41. And a contact member 39 attached to.
Incidentally, when the prevention body switching device 28 is constituted by the switching electric cylinder 41 and the contact member 39 in this way, when the fire of the normal article Wn is detected by the fire detection device 6, What is necessary is just to comprise so that the action | operation of the electric cylinder 41 for switching may be controlled so that the rod part 41a may protrude and the contact member 39 may move to the enclosure bag 27 closely. The ground side controller 45 corresponds to the retraction control device of the present invention for controlling the operation of the prevention body switching device 28 so as to switch the evaporation prevention body from the evaporation prevention state to the fire extinguishing state based on the detection information of the fire detection device 6. To do.

  When the evaporation prevention body is an evaporation prevention liquid, the prevention body switching device 28 may be configured by a gate and an opening / closing device so that the evaporation prevention liquid flows out from the fire-extinguishing container. In the case where the body is a lid body, the prevention body switching device may be configured by an open / close switching device so that the lid body is opened from the closed position to the open position.

DESCRIPTION OF SYMBOLS 1 Storage shelf 3 1st conveying apparatus 6 Fire detection apparatus 23 Fire extinguishing container 23a Storage space 23b Opening part 24 Support part, cargo receiving part 25 2nd conveying apparatus (moving apparatus, descent operation mechanism, prevention body switching apparatus)
27 Enclosed bag (evaporation prevention body)
28 Prevention body switching device 39 Contact member 43 Lid (evaporation prevention body)
45 Evacuation control device A Transport device w Fire extinguishing liquid o Evaporation preventing liquid (evaporation preventing body)

Claims (8)

A storage shelf for storing articles;
A fire-extinguishing container that forms a storage space for storing a fire-extinguishing liquid;
A transport device for transporting articles from the storage shelf to the storage space,
The fire-extinguishing container includes an opening for conveying an article to the storage space above the storage space,
After the fire has occurred in the article stored in the storage shelf, the transfer device transports the article from the storage shelf to the storage space of the fire-extinguishing container through the opening to place the article in the fire-extinguishing liquid. An article storage facility
An evaporation preventing body for preventing evaporation of the fire-extinguishing liquid in the fire-extinguishing container is provided;
The anti-evaporation body maintains an anti-evaporation state that prevents evaporation of the fire-extinguishing liquid in the fire-extinguishing container before a fire occurs in the articles stored in the storage shelf, and is stored in the storage shelf. An article storage facility that is switched from a state where evaporation is prevented to a fire extinguishing state that allows the article to be immersed in the fire extinguishing liquid after a fire has occurred in the fired article. The evaporation prevention body is formed by an enclosing bag that encloses the fire-extinguishing liquid,
The evaporation prevention state is a state in which the fire-extinguishing liquid is enclosed in the enclosed bag and the enclosed bag is installed in the storage space,
The fire extinguishing state is a state in which the encapsulating bag is ruptured and the fire extinguishing liquid in the encapsulating bag flows out of the encapsulating bag in the storage space;
A contact member that contacts the enclosure bag in the fire-extinguishing container and ruptures the enclosure bag, and a moving device that moves the contact member closer to the enclosure bag in the fire-extinguishing container,
The article storage facility according to claim 1, wherein the sealed bag is switched from the evaporation-prevented state to the fire-extinguishing state when the sealed bag is ruptured by the contact member. The transport device includes a support unit for placing and supporting an article, and a lowering operation mechanism for moving the support unit downward to the storage space of the fire-extinguishing container through the opening of the fire-extinguishing container,
The contact member is attached to the support;
The article storage facility according to claim 2, wherein the moving device is configured by the lowering operation mechanism. The evaporation preventing body is an evaporation preventing liquid having a specific gravity smaller than that of the fire extinguishing liquid stored in the storage space and lower in volatility than the fire extinguishing liquid;
The evaporation prevention state is a state in which the evaporation prevention liquid covers the entire upper surface of the fire extinguishing liquid stored in the storage space,
The fire extinguishing state is a state where the evaporation preventing liquid does not cover a part or all of the upper surface of the fire extinguishing liquid stored in the storage space,
Prevention of evaporation by moving the article down into the storage space while pushing away the liquid for preventing evaporation at a support portion of the transfer apparatus that supports the article to be moved down into the storage space by the transport device or the article. The article storage equipment according to claim 1, wherein the liquid for use is switched from the evaporation prevention state to the fire extinguishing state. The evaporation preventing body is constituted by a lid that closes the opening,
The evaporation prevention state is a state where the lid body is located at a closed position for closing the opening to close the opening,
The fire extinguishing state is a state in which the lid is retracted from the opening to open the opening, and is located in an open position.
An open / close switching device for moving the lid to the closed position and the open position is provided;
The article according to claim 1, wherein the opening / closing switching device is configured to switch the lid from the evaporation prevention state to the fire-extinguishing state by moving the lid from the closed position to the open position. Storage facilities. A prevention body switching device for switching the evaporation prevention body from the evaporation prevention state to the fire extinguishing state;
A fire detection device for detecting the occurrence of a fire of an article stored in the storage shelf;
2. A retraction control device that controls the operation of the prevention body switching device to switch the evaporation prevention body from the evaporation prevention state to the fire extinguishing state based on detection information of the fire detection device. Item storage equipment of 2 or 5.   The transport device lowers the article from the storage shelf to the storage space of the fire-extinguishing container from a first transport device that transports the article to a relay location set just above the fire-extinguishing container. The article storage facility according to any one of claims 1 to 6, wherein the article storage facility includes a second transport device that transports the second transport device.   The load receiving portion in which the second conveying device can move downward by its own weight to the lowered position where the article placed and supported from the raised position where the article located at the relay location is placed and supported is placed in the storage space of the fire extinguishing container. The article storage equipment according to claim 7, further comprising: a holding device that is switchable between a holding state in which the cargo receiving unit is held at the raised position and a release state in which the holding of the cargo receiving unit is released.

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