ES2316017T3 - SMOKE EVACUATION DEVICE FOR A COVER SET THROUGH CHARNELAS IN A FRAME. - Google Patents

Abstract

Ventilator arrangement comprises an element (6) interacting with a smoke alarm and consisting of a tubing (7) which is guided through a guiding unit (8). The tubing is automatically guided under pressure through the guiding unit and is fixed above the guiding unit so that it forms a lifting element to pivot a flap (3) against the action of the guiding unit. Preferred Features: The guiding unit consists of two parallel shell-like elements or rollers (10.1, 10.2) forming a gap (9).

Description

Smoke evacuation device for a lid fixed by hinge in a frame.

Technical environment

The present invention comprises a device of smoke evacuation for a lid fixed by means of hinges in a frame, for example, a light dome or a light cover, arranged, for example, in a frame placed on a flat roof, and that, in In case of fire, it can be moved from the lid position "closed" to a "open" lid position by means of a lifting element operable with compressed air, also the lifting element is in active connection with the alarm of smoke, temperature or fire, and the lifting element move the lid to an angular position of preferably more than 90º with respect to the frame.

State of the art

In itself drive devices are known to move a lid. Memory DE 33 38 092 describes a drive device for smoke or heat evacuation, with a lid fixed with hinges in a frame, as well as a lock opposite the hinge for closing, in which the lid can be from a closed position to an open position and vice versa, by means of a cylinder of compressed air as an element of elevation. The lifting element is articulated to a connecting rod that it can be rotated, by a second lifting element, around a fixed point in the frame, so that the point of swing of the lid can move through its plane vertical that passes through the piping. In turn, the second lifting element is configured so that it can also act as a damping element. To achieve the best relationship possible with a low construction cost in regards to the damping of the opening lifting movement and the accessibility, the connecting rod and the cushion element are articulated, vertically separated from each other, at points of a housing piece fastened close to the container.

Similar drives to move a lid configured as a smoke evacuation device is also known from EP 0 885 341 B1 and EP 1 103 690.

In these smoke evacuation devices, known in the state of the art, it is considered disadvantageous that the construction of, above all, the mechanical elements to open The cover in case of fire is very expensive. The so-called drive device consists, in this case, of a cylinder of pressure, rods and a connecting rod, which in case of a fire actuate the opening of the lid. In addition, in the case of known devices the position of the lifting cylinder, in regards to the application of force, that is, the use of force under the lid, since in an acute angular position it affects the lid to open, as described in DE 102 20 840.9.

Task

Therefore, the task of the invention is perfect a smoke evacuation device of this type of so that, above all, move the lid of the closed state to a "open" lid state, also, on the one hand the element of elevation should adopt a favorable angular position with respect to the lid frame, and, on the other hand, the lifting element with the required elements are constructed in a remarkable way more simple and also more economical.

Solution

The resolution of the task is described by the characteristics of the main claim; the advantageous refinements and preferred execution modes They are described in the subclaims.

The fundamental advantage of the solution according to the invention follows from the fact that, in the phase in which requires one of greater strength exercise, the lifting element orient its force at an obtuse angle with respect to the frame of the top. In this way, a force can be exerted directly on the lid, light dome or similar, closed, so that the position of the "closed" lid can be brought to a lid position "open." In addition, the constructive advantage follows which can be seen above all in that the element as such can be executed with reduced construction dimensions in position of inactivity, so that the element can be placed simple way and saving space in the frame area arranged in the flat roof.

According to the present invention, the element it consists of a hose driven by a guide element, likewise, the hose automatically threads into the guide element when apply pressure on it, and the hose is held above the guide element such that it forms a lifting element for move the cover in the opposite direction to the effect of the element guide. It is understood that, if pressure is applied to the hose, the end of the hose that is also attached at the same time, to the dome of light, it automatically threads through the guide element and apply the corresponding pressure on the cover of the dome of light to open it.

In addition, the guide element consists of two tray-shaped elements, or rollers, arranged parallel between  yes and that make up a groove, with respective flattened faces. From this way, a hose tension effect is possible with the Less friction possible. The hose as such may be made, in this case, of a woven material, but also of other flexible plastic or other hose material. The elements in  bucket shape, or rollers, with their flattened areas allow modify the groove between the guide elements in which move the flattened areas together. In this position of elements, or rollers, extended hose, no pressure, it can be conducted again simply and easily towards the storage position in the holder.

In an improvement of the invention, the tray-shaped elements, or rollers, are arranged in a support that is preferably held in the marginal area frame top. The support as such may, in turn, be configured as a housing to house the hose without pressure. Of that mode, you can keep the hose rolled, without pressure, under of the guide element, also, when applying pressure on the hose, it is extended or extracted, so that all the hose length to open the light dome cover.

According to an advantageous conditioning, the support, in this case, consists of a arranged crossbar horizontally in the frame to house the hose without pressure. He crossbar extends along the entire frame, also by on the crossbar is arranged a folding crossbar that acts in set with the lid frame, which, in turn, is in union active with the lid fixed with hinges. In this mode of execution, when applying pressure on the hose, is pressed towards top lid fixed by hinges as a result of lifting of the folding crossbar attached to the end of the hose, of so that the lid fixed by broken hinges also correspondingly. In a crossbar refinement collapsible, this can be made up of multiple cranks housed so that each connecting rod can act in a rotating manner together with a lifting element configured separately. Especially to increase the degree of opening of the fixed cover by means of hinges, it acts, together with the folding crossbar, a scissor crossbar attached to the cover, connected by a cable to the folding crossbar. To avoid accidental opening of the lid fixed with hinges is arranged, on the crossbar, a blocking device that is in active connection with the folding crossbar. This locking device can be operated through corresponding fire alarms, but also it can be unlocked manually, namely, in the case, for example, in which, for example, revision work is required on the cover fixed by hinge.

In an improvement of the invention it can be provided, on the crossbar, a ventilation device that raise the lid to a certain value. If you wish, for example, that in the case of high temperatures a ventilation is carried out through covers fixed with hinges, there is the possibility of operating the ventilation device to raise the lid leaving a slot open, so that a natural ventilation through the roof.

According to an advantageous improvement of the invention, the application of pressure on the side of the cap on the free end of the hose. To do this, in the end from the hose is a cylindrical support, in whose surface is arranged a point of articulation that corresponds to the point of articulation provided in the framework of the lid In this way, the mechanical union between the frame of  the cover and the fixed frame on the flat roof and the element of elevation. In turn, the single axis joint point can also be configured as a spherical joint.

In an improvement, in the support is arranged a perforation configured as a channel, which enters the support and leaves at the base of the support, to apply pressure on the hose. To apply the pressure on the hose with a gas, preferably uses CO2 or compressed air. To drive the pressure application, the smoke evacuation device is attached to an automatic thermal or electric trigger device, and / or a manual drive box that drives the application of pressure, especially if Hun extends or a fire in the building.

Description of the drawings

An exemplary embodiment of the invention is details from the following figures 1 to 11,

Shows:

Figure 1: A cut through the cut view of a lid fixed by means of hinges in a frame placed in a flat roof;

Figure 2: A first view of the device smoke evacuation in the closed position;

Figure 3: Another view of the device smoke evacuation in the open position;

Figure 4: A cut through the side view of a lid fixed by means of hinges in a frame with crossbars and folding crossbars;

Figure 5: Another view according to figure 4, representing the partially extended lifting element;

Figure 6: Another view according to Figure 4, representing the fully extended lifting element, with a rotated scissor crossbar, which is connected by a cable to the folding crossbar;

Figure 7: A detail of the disposed hose around a deflection point on the crossbar;

Figure 8: Another mode of execution according to the Figures 4 to 7, of a crossbar with a ventilation device in a closed position;

Figure 9: A representation of the device ventilation in the open position;

Figure 10: Another representation of the crossbar with two folding crossbars arranged in the lid frame as well as two elevation elements assigned; Y

Figure 11: A representation according to the figure 10, in the representation of two open lifting elements.

Execution Examples

The invention comprises a device of smoke evacuation, identified as a whole with the reference 1, and depicted in Figure 1. The evacuation device of smoke 1 is, in turn, a lid 3 fixed by means of hinges in a frame 2, assigned, for example, to a dome of light or to a cover of light. In turn, the cover 3 is arranged in a frame 5 placed, by for example, on a flat roof 4. The cover 3 can move, in case of fire, from a "closed" lid position (figure 2) to a "open" lid position (figure 1) by means of a lifting element 6 operable with compressed air. The element lifting 6 is in active connection with a device thermal or electric trigger, not shown here in greater detail and / or a manual drive box, likewise, the cover 3 it is rotated to an angle of preferably more than 90 ° with respect to frame 5, as represented, for example, in the figure one.

As you can see in Figures 1 to 3, the lifting element 6 consists of a hose 7 driven to through a guide element 8, likewise, the hose 7 is threaded automatically through guide element 8 when applying pressure about her. The hose 7 is held above the guide element 8, as represented, especially, in figures 1 to 3, of such that it forms the lifting element 6 to rotate the lid 3 against the effect of the guide element 8, corresponding to the arrow direction.

As you can see contemplating the figures 1 to 3 together, the guide element 8 consists of two elements in tray shape, or rollers, 10.1 and 10.2, arranged parallel between yes and that make up a slot 9, with respective flattened faces, also, the elements in the shape of a bucket, or rollers, 10.1 and 10.2 are arranged on a support 11 that is preferably attached in the upper marginal area of frame 5. Due to this position, an optimum angle of incidence is obtained for the element of elevation 6 according to the invention, to rotate the cover 3. The tray-shaped elements, or rollers, 10.1 and 10.2, with their flattened areas, allow the modification of slot 9 between the guide elements 8, in which the areas move between them flattened In this position of the elements, or of the rollers, 10.1 and 10.2, the hose 7 understood, without pressure, can be Driven simply and easily to the support.

How can you recognize, especially in the Figure 2, and in this case, in the closed position of the lid 3, the lifting element 6 acts, according to the direction of the arrow, at an angle of 90º with respect to the edge of the cover 12 or the edge of frame 13. That way it can be carried out with a pressure reduced, the opening of the lid 3, which is not possible in the extraction devices known in the state of the art, that have a noticeably less favorable angle of incidence As for your pressure cylinder.

In turn, support 11 is configured as housing, for hose housing 7 without pressure, as represents below the guide element 8. From the three figures it can be recognized that at the free end 14 of the hose 7 is carries out the application of pressure. To do this, in the end of the hose 14 a cylindrical support 15 is arranged, in whose surface 16 is arranged an articulation point 17 that corresponds to the articulation point 18 provided in the framework of the cover 12. As can also be seen from the figures, the point of articulation 17/18 is configured as articulation or as spherical joint 19.

As you can see, especially in the representation of figures 2 and 3, in the support 15 is arranged a perforation configured as a channel 20, which enters laterally at support 15 and leaves at base 22 of support 15, to apply pressure on the hose 7. The application of pressure on the hose the hose 7 is carried out with a gas, which is preferably a CO2 gas. As detailed in the beginning, the application pressure can be operated by a trigger device thermal or electric automatic, not represented here in greater detail, and / or a manual drive box.

Figure 4 shows, in the closed position of the lid fixed by hinges, the support 11 consisting of a crossbar 23 arranged horizontally in frame 5 to accommodate the hose 7 without pressure. As recognized in the figure, the hose 7 is located horizontally on the crossbar 23, likewise, the hose 7 is double housed due to its extension and is retained at the end of the crossbar 23 through an element of deviation 24. As shown in Figure 4, on the crossbar 23 on the frame of the cover 3 is a folding cross member 25, which is in active connection with the cover fixed by hinges 3. The mode of operation is clear in Figure 5, in which the lifting element 6 or, in this case, the hose 7, are partially extended, also, in the first position and as a consequence of the application of pressure on the hose 7, it has been threaded through the guide element 8, so that the folding crossbar 25 adopts the position indicated there, with the lid 3 united. If the lifting element 6 extends further, it get the situation represented in figure 6. In that case, the lifting element 6 advances with its end stop 26 against the guide element 8, and in which, in this final position of the crossbar flip 25, fold down and exit the crossbar 25 the crossbar scissor type 27 with the cover 3. As recognized in the figure, the cover 3 is attached to the scissor cross member 27 through a cable 28. In this way, the opening position of the lid 3 is reached, which prevents the automatic closing of the lid 3.

As can also be seen from figures 4, 5 and 6, a locking device is arranged on the crossbar 23 29, in active connection with the folding crossbar 25. This locking device 29 prevents the release of the lid fixed by hinges 3, likewise, it is operable to through a fire alarm, but it can also be unlocked manually, namely, in the case, for example, when required revision work on the ceiling of the light dome. Figure 7 shows in detail, especially, the double layer layout of the hose 7 on the crossbar 23, also, at the end of the cross member 23 a guide or deflection roller is provided as deflection element 24, so that an extension of the lifting element 6 with the least possible problem in cases of danger, if a pressure medium is applied to hose 7 in your extreme.

Figures 8 and 9 show an execution mode of the invention, likewise, in this embodiment it is a so-called ventilation device 30 is provided on the crossbar 23. The ventilation device 30 consists of a cylinder 31 actionable that is in active connection with the crossbar type scissor 27. If pressure is now applied on this cylinder 31, then the lid fixed by hinges 3 is opened in a value limited, so that natural ventilation can be carried out through the cover 3. Figure 9 shows the cylinder 31 here extended with a value that, in this case, corresponds, for example, to the extension of the cable.

Figures 10 and 11 show another way of execution of the invention, in which, in this circumstance, they are provided, especially, two lifting elements 6.1 and 6.2, which they are held arranged one above the other, with their 7.1 hoses and 7.2, on crossbar 23. They are also provided, correspondingly, two guide elements 8.1 and 8.2, likewise, the first guide element 8.1 is arranged on crossbar 23 and acts in conjunction with the first folding crossbar 25.1. The second guide element 8.2 is arranged, in turn, on the first crossbar folding 25.1, likewise, in this case, the lifting element 6.2 acts in conjunction with the second folding crossbar 25.2, with which, in turn, is connected to the scissor cross member 27 through of cable 28. Thus, in the open state, the following situation, first, a first folding crossbar 25.1 rises, and the second folding crossbar 25.2, is still rotated more through the second lifting element 6.2, joined so Rotary with cover 3, to reach the opening degree correspondent.

Reference List

one

Smoke evacuation device

2

Framework

3

Top

4

Flat roof

5

Framework

6

Lifting element

7

Hose

8

Guiding element

9

Groove

10.1

Cuvette or roller element

10.2

Cuvette or roller element

eleven

Support

12

Edge of the lid

13

Frame edge

14

Free end

fifteen

Support for

16

Surface

17

Articulation point

18

Articulation point

19

Spherical joint

twenty

Channel

22

Base

2. 3

Crossbar

24

Deflection element

25

Folding crossbar

26

End stop

27

Scissor crossbar

28

Cable

29

Locking device

30

Ventilation device

31

Cylinder

Claims (12)

1. Smoke evacuation device (1) for a cover (3) fixed by means of hinges to a frame (2), for example, of a light dome or a light cover, arranged, for example, in a frame (2 ) placed on a flat roof, and which, in case of fire, can be rotated from the "closed" lid position to an "open" lid position by means of a lifting element (6) operable with compressed air, likewise, the lifting element (6) is in active connection with the smoke, temperature or fire alarm, and the lifting element (6) rotates the cover (3) to an angular position of, preferably, more than 90 ° with respect to the frame (2), characterized in that the lifting element (6) consists of at least one hose (7), conducted through a guide element (8), likewise, the hose (7) is automatically threaded through the element guide (8) applying pressure and the hose (7) adheres in such a way over the guide element (8) that conforms a lifting element (6) to move the cover (3) in the opposite direction to the action of the guide element (8). 2. Smoke evacuation device according to claim 1, characterized in that the guide element (8) consists of two elements in the form of a bucket, or rollers, (10.1) and (10.2) forming a groove (9), arranged parallel each other and with respective flattened faces. 3. Smoke evacuation device according to claim 2, characterized in that the elements in the form of a bucket or rollers (10.1) and (10.2) are arranged in a support (11) which, preferably, is secured in the upper area of the frame (5), likewise, the support (11) is configured as a housing to house the hose without pressure (7). 4. Smoke evacuation device according to claim 3, characterized in that the support (11) consists of a crossbar (23) arranged horizontally in the frame to house the hose without pressure (7). 5. Smoke evacuation device according to claim 4, characterized in that a folding cross member (25) is arranged on the frame of the cover (23), in active connection with the lid fixed by means of hinges (3). 6. Smoke evacuation device according to claim 5, characterized in that the folding cross member (25) can consist of multiple folding crossbars (25.1, 25.2) housed so that each folding cross member (25.1) can also be rotated and (25.2) acts together with a separate lifting element (6.1) and (6.2). 7. Smoke evacuation device according to claim 5 or 6, characterized in that with the folding crossbar (25) a folding scissor cross member (27) acts together to increase the opening angle of the lid fixed by means of hinges ( 3), said scissor cross member (27) is connected by a cable (28) to the folding cross member (25). 8. Smoke evacuation device according to claims 1 to 7, characterized in that a blocking device (29) connected in active connection with the folding cross member (25) is arranged on the crossbar (23). 9. Smoke evacuation device according to claims 1 to 8, characterized in that a ventilation device (30) is provided on the crossbar (23), which raises the cover (3) by a certain value for ventilation. 10. Smoke evacuation device according to claims 1 to 9, characterized in that at the free end of the hose (14) a cylindrical support (15) is placed, on whose surface (16) an articulation point (17) ), corresponding to an articulation point (18) arranged in the frame of the cover (12) or in the folding crossbar (25). 11. Smoke evacuation device according to claim 11, characterized in that a perforation configured as a channel (20) is arranged in the support (15), which enters the support (15) and leaves the base (21) of the support , to apply pressure on the hose (7). 12. Smoke evacuation device according to claims 1 to 11, characterized in that the application of pressure on the hose (7) is carried out with a gas, preferably CO2 gas, also, the pressure is applied by an automatic thermal or electric trigger device and / or a manual drive box.