Fire protection device comprising fire protection enclosure

Abstract

The invention relates to a fire protection device comprising a fire protection enclosure (3) which can be laid on a potentially burning object positioned on a parking position (5), in particular a battery-driven vehicle (6), in order to resist the spread of a fire emanating from or spreading to the object. The fireproof cover (3) is compactly combined, in particular wound and / or folded into a bag (32), is accommodated in a box-shaped housing (1) that can be mounted or mounted on a stop point (5) and is connected to a pull-out device (4), by means of which the fireproof cover can be manually or automatically laid completely on an object in the event of combustion or at the risk of combustion, in this way, the side section (31) completely or at least substantially circumferentially rests on the floor of the parking position in order to suppress the inflow of oxygen as much as possible.

Description

[0001] The invention relates to a fire protection device comprising a fire protection cover which can be laid on a potentially flammable object positioned in a parked position, such as a conventional or in particular battery-driven vehicle, to counteract the spread of a fire emanating from or spreading to the object, and to a method for preventing or suppressing a fire in an object thus positioned.

[0002] Such a fire protection device with a fire cover or fire blanket has been shown to be disclosed in patent document DE 202020106119U1. The fire blanket / fire cover is used to cover a motor vehicle, especially one that is electrically powered by a battery, to isolate the fire and thereby inhibit further spread. The fire blanket is folded and accommodated in a transport box, and the fire protection device has an alarm device, which detects when the transport box is moved away from its placement position to trigger an alarm and request professional help, such as the fire brigade. The fire blanket should withstand the heat of the combustion until professional help arrives. Especially because of its relatively high weight, positioning the fire blanket on the motor vehicle involves considerable expenditure and often loses valuable time before the occurrence of a fire is detected and contained.

[0003] Patent document CN 215461549 U shows a fire protection device which is installed above a vehicle oriented in the longitudinal direction relative to the vehicle, for example in a garage. Here, the fire protection cover is combined into two rolls extending in the longitudinal direction, which are releasably held on a holding device with an electromagnet in the middle transition area in the longitudinal direction, are located between two half shells that can be automatically opened laterally in the event of a fire, and are held in a manner that can be deployed on the vehicle.

[0004] Patent document DE 202016008488 U1 shows a fire protection device with a fire blanket accommodated in a box, which can be removed through an opening in the lower part of the box without opening the box.

[0005] Patent document DE 202022101021 U1 shows a flame-retardant carpet for covering a motor vehicle having a surface element made of high-temperature textile.

[0006] Patent document DE 102021005719 A1 shows another fire protection device with at least one flexible fire blanket, which is provided with at least one strapping strap designed as a continuous loop for strapping the fire blanket. Through the strapping strap, the fire blanket can be simply and as required strapped and thus fixed on an object, for example.

[0007] Patent document DE 202019106371 U1 shows a fire blanket having a three-layer structure consisting of a glass fabric and a second layer made of bentonite arranged therebetween, wherein the structure provides a sufficient compromise in terms of weight, stiffness, fire resistance and air tightness as well as filtering effect. In order to operate the fire blanket, it is recommended to provide an operating device at the edge, such as a ring-shaped handle made of a strip or a side band. In addition, fixing devices, especially Velcro, are installed on the edge side. The fire blanket should be able to be used in many ways and effectively protect the environment from the consequences of burning lithium-ion batteries. This fire blanket is also inconvenient to operate for large objects, such as motor vehicles.

[0008] Patent document DE 102016225871 A1 shows a fire and smoke protection system with a self-expanding cover, which includes a self-expanding barrier. The barrier support is formed by a hose-like pipeline that can be loaded with a pressure medium. A commercial vehicle with such a fire and smoke protection system is also proposed, in order to shield the transported goods, for example, in the event of fire or smoke. The device can also be used in passenger cars, for example in car repair shops or underground parking lots. Such a structure is relatively expensive and is usually also disadvantageous in terms of space conditions.

[0009] Patent document DE 202013102471 U1 shows a device for emergency protection in a building, which includes a housing, etc., in which first aid devices for fire situations, such as fire extinguishers or fire blankets, are arranged. The housing is connected to a smoke alarm or a signal center via a radio connection for activating the emergency device.

[0010] Patent document DE 102020102191 A1 discloses a device and a method for detecting emergency situations in the area of ​​a motor vehicle, by which the current value of a state variable of a battery of the vehicle is automatically determined in order to infer environmental threats and optionally output an emergency signal.

[0011] Patent document DE 102017213408 A1 discloses an autonomous charging and fire-extinguishing vehicle, which also includes a fire-extinguishing device.

[0012] The invention is based on the technical problem of providing a fire protection device of the type mentioned at the outset which provides the most effective possible suppression of the spread of fire on objects parked in a parking space, in particular battery-powered vehicles, and a very effective method for fire protection.

[0013] The above-mentioned technical problem is solved by a fire protection device having the features of claim 1 and by a method according to claim 13. According to the invention, it is provided that the fire protection cover is compactly assembled into a package, in particular folded together and / or rolled up on a shaft, and is accommodated in a box-shaped housing that can be installed or mounted on a parking position and is connected to a pull-out device, by means of which the fire protection cover can be completely laid out manually or automatically on the object in the event of a fire or a risk of fire, so that the fire protection cover rests completely around the parking position floor with side sections in order to suppress the inflow of oxygen as much as possible and thereby isolate the vehicle as much as possible.

[0014] In the method, provision is made for the fire protection cover to be manually or automatically pulled out of the housing by means of a pulling device over the object and then lowered.

[0015] By means of these features, the fire protection device provides a simple manual actuation or even autonomous, automatic operation in the event of a fire or the recognition of a fire hazard, wherein the fire protection cover or fire blanket is fully extended over an object positioned in a parking position, such as an electrically battery-driven vehicle in particular, and the fire protection cover is placed completely or at least substantially around the object with its edge sections in order to effectively counteract the spread of the fire until firefighters or the fire brigade arrive and take over further fire extinguishing. The measures according to the invention are therefore fundamentally beneficial for effective and early fire extinguishing.

[0016] An advantageous design of a housing for mounting or mountable fire protection in a parking position is that the housing is mounted or mountable with its longitudinal axis, in particular transversely or perpendicularly to the longitudinal direction of the vehicle, and the housing is provided with a wall section covering the pull-out opening extending relative to the longitudinal length of the housing, which can be automatically moved away in response to an opening signal triggered manually or by a sensor device in the event of a fire hazard to release the pull-out opening. On the one hand, the fire protection cover is protected by relevant means and accommodated in the housing in a vandal-proof manner, and on the other hand, can be released for use simply and without delay when necessary. For example, the wall section can be designed as a cover or a movable covering extending in the direction of the longitudinal axis of the housing and folded downward.

[0017] In order to remove the fire protection dome from the housing, it is advantageously provided that the fire protection dome is accommodated in the housing in a rolled or folded manner and is connected to the extension means.

[0018] A design that is advantageous for installation on a parking position for an object, in particular a vehicle, is that the housing is mounted on a parking position boundary, in particular a wall or a roof, in front of the object and above it in the pull-out direction, a deflection device is arranged on a support behind and above the object, and two pull-out devices, in particular in the form of traction cables, are connected to the fire protection cover and extend in the pull-out direction to the side and above the object and are guided around the deflection device, so that the fire protection cover can be pulled out in the pull-out direction over the entire length of the object and then placed on the ground of the parking position by the edge sections. The fire protection cover pulled onto the object is then placed on the ground of the parking position during the lowering with its lateral sections loosely due to its flexibility and weight and preventing air from flowing from the environment to the object as much as possible. The side sections of the fire protection cover and the front and rear sections of the fire protection cover are designed to be large enough to be placed on the ground around the parking position.

[0019] In order to enable rapid placement of the fire protection cover on the ground, it is advantageously provided that, in order to place the fire protection cover on the ground, a separation device is provided behind the object (facing away from the housing) for separating the connection of the pull-out device to the fire protection cover or for disconnecting the pull-out device. After the pull-out device has been separated from the fire protection cover or after disconnecting the pull-out device itself, the fire protection cover can be dropped unhindered onto the object or vehicle and placed on the ground around the vehicle by its side sections.

[0020] An advantageous design for the automatic operation of the fire protection device is that the extension device, which is in particular connected to the control device, is coupled to a drive device for automatically extending the fire protection cover, which drive device can be activated manually or in response to an alarm signal from one or more fire detectors. During the occurrence of a fire, when triggered by the alarm signal, the fire protection cover can be positioned as required above the object even without manual operation, but can also be adjusted by the user if necessary. At the same time, the alarm signal can be used to trigger an alarm (e.g. acoustically, optically or radio-transmitted) or to switch off a fire alarm system (BMA) (if present) in order to alert fire rescue personnel or the fire brigade to extinguish the fire.

[0021] There are various possibilities for providing the drive energy for the drive device, for example electrical, pneumatic, hydraulic or mechanical energy sources, in particular with spring devices, are available for providing the drive energy for the drive device. It is advantageous here to have a self-sufficient energy source which remains functional even in the event of a fire and even without current, for example a prestressed mechanical spring device, the stored energy of which is released when an activation signal is triggered, for example by an alarm signal or manual actuation, in order to actuate the drive device, for example to pull out the extension means via the deflection means in order to position the fire protection cover above the object.

[0022] Advantageously, provision is made for an electrical, pneumatic, hydraulic or mechanical energy source, in particular with a spring device, to provide the drive energy for the drive device.

[0023] Furthermore, it is advantageously provided that a drive is connected to the extension means for extending and positioning the fire protection dome.

[0024] Another design that is advantageous for structure and function is that the drive device is designed for rotary drive and is provided with a winding device or a continuously running device for applying tension to the pull-out device. The continuously running device that can apply tension to the pull-out device is, for example, a friction roller that conveys the pull-out device.

[0025] A further advantageous measure for extinguishing fires is that the fire protection hood is made of a high-performance material which, for example according to the manufacturer's information, is designed for continuous loads (>24 hours) up to 1500° C. or for maximum loads (approximately 15 min) up to 2500° C.

[0026] Advantageous adaptation possibilities for local conditions or different object sizes are obtained by providing a height and / or width adjustment device (H, B, H+B), by means of which the housing can be mounted or can be mounted in a parking position in a height- and / or width-adjustable manner.

[0027] In the method, it is advantageous if the pull-out device for pulling out has pull-out means, in particular pulling cables, which are coupled to the fire protection hood and are guided on deflection elements and are disconnected in order to lower the pulled-out fire protection hood when a fire occurs.

[0028] The present invention is further described below according to embodiments with reference to the accompanying drawings.

[0029] Figure 1 A schematic perspective view showing a fire protection device arranged at a parking position of a vehicle.

[0030] Figure 1 The embodiment shown in the figure schematically shows a parking place 5 together with an object positioned thereon and a fire protection device arranged and mounted thereon, by means of which an object potentially exposed to combustion can be protected as far as possible from the spread of fire, for example until fire rescue personnel or a fire brigade arrive. The object is a vehicle, in particular a vehicle 6 electrically driven by a battery (for example a lithium-ion battery), wherein the parking place 5 can be, for example, a parking space in a garage, for example an underground garage or a carport, or a charging place for charging the battery.

[0031] A front boundary, such as a solid wall or a partition wall, such as one consisting of pillars, is located in front of the vehicle when the vehicle is parked forward, where a box-like or box-like elongated housing 1 is preferably arranged horizontally (with respect to the direction of gravity or geodetically) at least at the height of the top side of the object or vehicle 6, for example by means of a height adjustment device H and / or a width adjustment device B, which extends longitudinally essentially over the width of the vehicle 6 or the width of a possible parking position of the vehicle 6. A fire protection cover 3 (also called a fire blanket) is accommodated in the housing 1, which is compressed, for example rolled up or alternatively folded into a package 32. The fire protection cover usually has a standard size of 6x8m. In Figure 1 In the state shown, the fire protection cover 3 is essentially pulled out of the housing 1 above the vehicle 6 to above the rear of the vehicle (in the pull-out direction Z), and the flexible, relatively heavy fire protection cover 3 is suspended by side sections 31 adjoining the upper section 30 on both sides, which side sections are folded inwards, for example, in the rolled-up or folded state for installation in the housing 1. It is also conceivable that the housing 1 is designed to be narrower in its longitudinal extension than, for example, the vehicle 6 or to be adjustable in its length dimension to adapt to different parking space widths, and the fire protection cover 3 is adapted in its width to the length dimension of the housing 1, for example, by folding in the longitudinal direction once or several times, so that it can be installed inside.

[0032] In order to pull out the fire protection cover 3, there is a pulling device 4. The pulling device has a pulling device, in particular in the form of two lateral pulling cables 40, and the pulling device is coupled to the fire protection cover 3 so that the fire protection cover 3 can be pulled out to the vehicle by the pulling device when a fire situation is faced or has occurred. The pulling device runs on a guide device arranged on the rear side of the parking position or above the tail side of the vehicle, and the guide device is particularly provided with a deflection device, which has a deflection device 41, such as a curved deflection track or a deflection roller. The pulling force for pulling out the fire protection cover 3 can be applied manually by one or more operators by acting on the pulling device or preferably by the drive device 2. The drive device 2 can be arranged, for example, in the area of ​​the deflection device 41, or preferably arranged on or in the housing 1, wherein the deflection of the pulling device is carried out by the deflection device 41.

[0033] The drive device 2 is driven, for example, by an electric motor, pneumatically, hydraulically or mechanically, wherein the energy source is preferably assigned to the fire protection device so that the drive device is self-sufficiently powered in the event of a fire. An advantageous design is that the drive energy is stored mechanically, for example, by a helical spring, in a spring device. In order to pull out the fire protection cover 3, a pulling means, i.e., a traction cable 40 extending, for example, laterally in the longitudinal direction of the fire protection cover in the pulling direction or laterally above it in the parking position or the vehicle 6, can be rolled up by the winding device 20 of the pulling device 4. In this case, the fire protection cover 3 is unfolded, for example, from a winding device in the housing 1 or from a folding bag.

[0034] The fire protection cover 3 is protected in the safe state and is preferably arranged in the housing 1 in a surrounding manner on all sides. In order to be able to quickly extend it to an object, especially a vehicle 6, in the event of a fire hazard or a fire, a wall section that quickly opens and covers the pull-out opening for a trigger signal is provided on its front side facing the parking position 5 or the vehicle 6, and the wall section is designed, for example, as a cover supported on a hinge and pivoted downward due to gravity, or alternatively, for example, as a slide or flipped upward by a spring force. The opening signal can be, for example, manually triggered by a user of the fire protection device, or automatically triggered by a sensor device 11 that detects a fire hazard or a fire, in order to release the pull-out opening. The control of the actuator for releasing the wall section covering the pull-out opening is carried out, in particular, by the control device 10. For example, the opening signal is triggered for an alarm signal of a fire detector, whereby the pull-out device 4 or even the drive device 2 is also released or activated.

[0035] Once the fire protection cover 3 has been pulled over the object or vehicle 6, it must be lowered onto the object or vehicle 6 so that it rests with its edge sections on the ground 51 surrounding the vehicle in order to exclude the oxygen supply to the area of ​​the object under the cover as best as possible, at least until the fire rescue personnel or the fire brigade arrive (e.g. after 5 to 20 minutes). The fire protection cover should provide a high level of protection against the spread of fire at least during this period of time and can remain on the object even after the arrival of the fire brigade until the fire is extinguished or the "thermal runaway" is over.

[0036] The fireproof cover 3 is designed to meet the high requirements for fire protection. For example, it has a special coating and is made of a very heat-resistant material based on silicate or graphite. Therefore, the flexible cover is also relatively heavy. In order to quickly drop the pulled cover onto the object, there is a separation device 42, such as a cutting device, especially in the area of ​​the deflection device 41 at the rear, and the pull-out device, especially the traction cable 40, is thus disconnected or separated from the fireproof cover 3. In the rear and front areas, the fireproof cover 3 fully overlaps with the object or vehicle 6, so that it is laid or attached to the ground 51 loosely through the surrounding sections due to its weight after landing. The separation device can also be present in the front area, or the front edge area of ​​the fireproof cover 3 can be loosely accommodated in the housing 6, so that the pulled fireproof cover 3 can be easily dropped onto the ground. If additional positioning is required, it can also be performed by the user. For example, an alarm can be issued to the auxiliary personnel through the burning alarm acoustically, visually and / or through a wireless alarm device.

[0037] In a first variant design, the fire protection device proposed here provides for manual positioning of the fire protection cover 3 above a potential burning object, in particular a vehicle 6 on a parking position 5. The fire protection cover 3 is located in a housing 1 or a wall box for storage, which can be installed or mounted on a wall 50 of the parking position 5. The fire protection cover 3 is positioned by the user or firefighter above the potentially threatened or burned vehicle 6 in this design. The fire protection cover 3 can then be slightly adjusted by the user as required, taking into account his own protection. In this extended stage, the fire protection device, for example, works completely mechanically and essentially self-sufficiently, wherein additional manual operating interventions are provided, such as a trigger signal for opening the box and / or pulling out the fire protection cover 3 with the help of a pulling device 4.

[0038] In a second variant, the opening of the housing or the cassette can be triggered, for example, manually or automatically, and the pull-out process is triggered by manual operation but then takes place automatically and autonomously via the pull-out device 4 and the drive device 2 .

[0039] In the third variant design, the automatic triggering of the pull-out device 4 and the operation by the drive device 2 when triggered by the sensor device 11 and the control device 10 are provided, and the structure is at least basically self-sufficient, with or without the supply of external energy, and if necessary, also with redundant devices. The fire protection device thus provides an advantageous protective measure to prevent the danger of combustion of vehicles 6 that are especially electrically operated by batteries, such as lithium-ion batteries, or in the event of explosive combustion. In the last design variant, it is also advantageously provided that the pull-out process of the fire cover 5 is started by automatic operation by means of the sensor device 11, wherein, for example, there can be a dual detector association or an association with other detectors, and to adapt to customer needs for fully automatic control or regulation. For this purpose, an interface to a charging column or a wall box can be advantageously provided so that it can be switched to no electricity when triggered. This variant design, for example, works fully automatically in communication with the vehicle 6 and / or a further automated sensor device.

Claims

1. A fire protection device, comprising a fire protection cover (3) which can be laid on a potentially burning object, such as a battery-driven vehicle (6) positioned at a parking position (5), to resist the spread of fire emanating from or spreading to the object, It is characterized in that The fire protection cover (3) is compactly assembled, in particular rolled and / or folded into a package (32), and is accommodated in a box-shaped housing (1) that can be installed or mounted at a parking position (5) and is connected to a pull-out device (4), with the help of which the fire protection cover can be completely laid on the object manually or automatically in the event of a fire or a risk of fire, so that the fire protection cover is completely or at least substantially surroundingly in contact with the parking position floor via the side sections (31) in order to suppress the inflow of oxygen as much as possible.

2. The fire protection device according to claim 1, It is characterized in that The housing (1) is provided with a wall section covering the drawer opening, which can be automatically moved away according to an opening signal triggered manually or by a sensor device (11) to release the drawer opening when there is a risk of fire.

3. A fire protection device according to claim 1 or 2, It is characterized in that The fireproof cover (3) is accommodated in the housing (1) in a rolled or folded manner and is connected to a pull-out device.

4. The fire protection device according to claim 3, It is characterized in that The housing (1) is mounted in front of and above the object in the pull-out direction at a parking position boundary, in particular a wall. A deflection device is arranged on the support behind and above the object, and Two extension means, in particular in the form of pulling cables (40), are connected to the fire protection cover (3) and extend in the extension direction to the side and above the object and are guided around the deflection means, whereby the fire protection cover (3) can be extended in the extension direction over the entire length of the object and then placed on the ground (51) in the parking position (5) via the edge section.

5. The fire protection device according to claim 4, It is characterized in that In order to place the fire protection cover (3) on the ground (51), a separation device (42) is provided behind the object for disconnecting the connection between the pull-out device and the fire protection cover (3) or disconnecting the pull-out device itself.

6. Fire protection device according to any of the preceding claims, It is characterized in that In particular, a pulling device (4) connected to a control device (10) is coupled to a driving device (2) so as to automatically pull out the fire protection cover, and the driving device can be activated manually or according to an alarm signal of a combustion detector.

7. The fire protection device according to claim 6, It is characterized in that An electrical, pneumatic, hydraulic or mechanical energy source, in particular with a spring device, is provided to provide the drive energy for the drive device (2).

8. The fire protection device according to claim 7, It is characterized in that The energy source is arranged on or in the housing (1).

9. Fire protection device according to any one of claims 6 to 8, It is characterized in that The driving device (2) is connected to the pulling device.

10. Fire protection device according to any one of claims 6 to 9, It is characterized in that The drive device (2) is designed for rotary drive and is provided with a winding device (10) or a continuously running device for applying a tensile force for pulling out the device.

11. Fire protection device according to any of the preceding claims, It is characterized in that The fire shield is made of high-performance materials designed for continuous loads (>24 hours) at temperatures up to 1500°C and / or maximum loads (approximately 15 min) at temperatures up to 2500°C.

12. Fire protection device according to any of the preceding claims, It is characterized in that A height and / or width adjustment device (H, B, H+B) is provided, by means of which the housing can be mounted in a height- and / or width-adjustable manner or can be mounted in a parking position.

13. A method for preventing or suppressing a fire which originates from or spreads to an object, in particular a vehicle (6), which is positioned at a parking location, wherein: The fire protection cover (3) installed in the housing (1) as a rolled or folded package (32) is released and spread over the object via the edge sections placed on the ground, It is characterized in that The fire protection cover (3) is manually or automatically pulled out from the housing (1) to above the object by means of a pulling device (4) and then lowered.

14. The method according to claim 13, It is characterized in that The pull-out device (4) for pulling out has a pull-out device coupled to the fire protection hood (3), in particular a pulling cable (40), which is guided on a deflection element and is disconnected when a fire occurs to lower the pulled-out fire protection hood (3).

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