CN101370558A

CN101370558A - Sprinkler

Info

Publication number: CN101370558A
Application number: CNA2007800025952A
Authority: CN
Inventors: G·松德霍尔姆; H·梅茨格
Original assignee: Marioff Corp Oy
Current assignee: Marioff Corp Oy
Priority date: 2006-01-18
Filing date: 2007-01-11
Publication date: 2009-02-18
Anticipated expiration: 2027-01-11
Also published as: CN101370558B; FIU20060022U0

Abstract

A sprinkler which comprises a sprinkler frame (2), in which there is at least one nozzle (3), a heat-activated triggering element (5), and a protective element (8) which is in front of the nozzle (3) in the protective position and mechanically protects the triggering element (5) when the sprinkler is in a non-active mode, and which protective element (8) is movable to a second position in which the nozzles (3) and the triggering element (5) are not protected by the protective element (8).; The sprinkler frame (2) is movable in relation to a fastening frame (1) between two positions, a first position in which the sprinkler is in a non-active mode, and a second position in which the sprinkler frame is protruding, and which sprinkler frame (2) is arranged movable from the effect of the pressure of medium in relation to the fastening frame (1) from the first position to the second position and at the same time to direct a force to the protective element (8) for moving it from the protective position to the second position, whereby the sprinkler is in the second position of the sprinkler frame set to a standby mode.

Description

Sprinkler

Technical field

The present invention relates to sprinkler, comprise sprinkler frame, wherein have at least one nozzle; Hot activation triggers element; And protecting component; be under the non-enable mode at described sprinkler; this protecting component is positioned at described nozzle front portion; be in protective position; and mechanically protect described triggering element; and this protecting component can move to the second place, and when this second place, described at least one nozzle and triggering element no longer are subjected to the protection of this protecting component.

Background technology

Such sprinkler is particularly useful for fire extinguishing, for example can learn from patent disclosure EP1150747.The nozzle of cup part protection sprinkler head and triggering element, this cup part is by discharging with respect to the equipment that the keeper framework moves.This patent disclosure has been stated some different replacement schemes that are used for discharging described cup part and sprinkler are set to standby position.

Summary of the invention

Purpose of the present invention is particularly in further developing the described scheme of this patent disclosure.Second purpose of the present invention particularly provides a kind of combination that is used for sprinkler head, and it is simpler and reliability is better than existing scheme, is used in particular for sprinkler and is used for discharging the equipment of sprinkler protection cup.

Basis of the present invention design is that sprinkler head is arranged to and can moves between the two positions, thereby sprinkler head is as the releasing device of protectiveness cup.

Sprinkler of the present invention is characterised in that; sprinkler frame can move between the two positions with respect to fastening framework; be primary importance and sprinkler frame the second place when stretching out of sprinkler when being in non-enable mode; and sprinkler frame is arranged to and can moves to the second place with respect to fastening framework from primary importance under pressure medium; protecting component meanwhile leads power; it is moved to the second place from protective position; thereby when sprinkler frame was in the second place, sprinkler was set to standby.

Other features of device of the present invention embody in the described content of claim 2 to 6.

Have many significant advantages according to the solution of the present invention.Sprinkler head is arranged to move and to utilize its release guard cup, provides function fabulous scheme for the sprinkler that will be used for difficult circumstances is set to standby.Utilize firing-fighting medium traveling distributor head, for the device that removes protecting component from sprinkler head the place ahead provides the combination with advantage.Utilize sprinkler head, for the power that pressure medium is changed into the guiding protecting component provides enough big surface.Sprinkler frame is arranged to two component types so that limiting element from fastening framework not homonymy be connected to actual sprinkler frame, the scheme that extremely is suitable for is provided aspect manufacturing technology.The combination of fastening framework and sprinkler frame is easy to do the as a whole suitable secure component that is connected to.This scheme is applicable to that extremely the sprinkler head that needs protection is not subjected to the occasion of surrounding environment influence especially.Such as for example traffic tunnel.This scheme extremely is applicable to the fire extinguishing occasion, is particularly useful for containing the situation of the medium mist of liquid as firing-fighting medium.

Description of drawings

Below, will be by example and present invention will be described in detail with reference to the accompanying, wherein:

Sectional view when Fig. 1 shows device of the present invention and is in primary importance;

Sectional view when Fig. 2 shows device of the present invention and is in the second place and is standby position;

Device of the present invention when Fig. 3 shows and is in the second place and is standby position.

The specific embodiment

Cross section when Fig. 1 shows sprinkler of the present invention and is in primary importance.The fastening framework 1 of sprinkler is arranged on the secure component 6 that is arranged on the pipeline 7.The frame parts of sprinkler, promptly to be arranged to be that non-active position (Fig. 1) and second place are to move between the standby position (Fig. 2) at least one primary importance with respect to fastening framework 1 to sprinkler frame 2.At least one nozzle 3 is arranged into the frame parts 2 of sprinkler.Sprinkler among the figure has plurality of nozzles 3.Flip flop equipment 5, the ampoul tube (ampoule) such as the temperature-sensitive flip flop equipment for example breaks at specified temp is arranged into this sprinkler.Support frame 4 and sprinkler valve element 21 that ampoul tube 5 is arranged in sprinkler frame 2 bottoms among Fig. 1 are between the valve rod, make the medium channel closure between inlet 23 and the sprinkler nozzle 3 at least when non-active position and standby position.

Groove 13 is arranged into the fastening framework 1 of sprinkler, and wherein, sprinkler frame can move between the primary importance and the second place.When pipeline 7 medium pressure increased, this pressure acted on the surface of the frame parts 2 of sprinkler, and this surface forms and makes sprinkler frame move to the second place from primary importance in the groove 13 of fastening framework 1, i.e. the apparent surface 14 of through fastening framework.In sprinkler frame, there is the shoulder 12 that is coupled to fastening framework apparent surface 14.Shoulder 12 is as limiting part.As the result who moves, sprinkler frame 2 acts on protecting component 8.This protecting component 8 is freed and is moved away (Fig. 2) from flip flop equipment and nozzle front portion from latched position (Fig. 1).Sprinkler frame 2 forms and comprises two parts, thereby under confined state, comprises that the parts 2 ' of shoulder 12 can be attached on the sprinkler frame parts that comprise nozzle 3 from the relative both sides of fastener frame 1.

Sprinkler comprises sprinkler frame 2; wherein exist at least one nozzle 3, hot activation to trigger element 5 and protecting component 8; when described sprinkler is in non-enable mode; described protecting component 8 is positioned at the front portion of described nozzle 3; be positioned at protective position, and mechanically protect this triggering element 5, this protecting component 8 can move to the second place; when this position, at least one nozzle 3 and triggering element 5 no longer are protected the protection of element 8.Sprinkler frame 2 can move between the two positions with respect to fastening framework 1; be primary importance and sprinkler frame the second place when stretching out of sprinkler when being in non-enable mode; sprinkler frame 2 is arranged to can be under the pressure medium effect move to the second place with respect to fastening framework 1 from primary importance; protecting component 8 meanwhile leads power; so that it moves to the second place from protective position; thereby when sprinkler frame was in the second place, sprinkler was set to standby.Fastening framework 1 comprises groove component 13, i.e. cylindrical space, thus at least a portion of sprinkler frame 2 forms piston element, and it is arranged to move to the second place from primary importance under the pressure medium effect in this cylindrical space.Potted component 24 such as slip ring or equivalent parts, is arranged in the hole that forms this cylindrical space in the fastening framework 1.

In one embodiment, the frame parts that is used for the traveling distributor head is the medium firing-fighting medium normally of sprinkler frame.Can also use other suitable media.

In this protective position, protecting component 8 extends near fastening framework 1 or its.In the embodiment shown in fig. 1, the fringe region 11 of cup-shaped protecting component 8 extends on the outer race of fastening framework 1, up to secure component 6.Near protecting component 8 is positioned at the fastening point of fastening framework 1 or its, there is potted component 10, such as lip ring.Groove 22 is formed on the fastening point place, and potted component 10 is arranged in this groove.

Sprinkler frame 2 comprises motion limiting element 12, and such as shoulder, and fastening framework comprises the apparent surface 14 who is used for this motion limiting element.

Sprinkler frame comprises support component 4, and it is arranged to enough big power guiding protecting component 8.

Therefore, sprinkler comprises the cup-shaped protecting component 8 of protection flip flop equipment 5 and nozzle 3.In scheme shown in Figure 1, protecting component 8 is fastening by potted component 10, the most suitablely is fastened to protective position (Fig. 1) by annular seal.Annular seal 10 is arranged in the groove 22 that is formed at tie point between fastening framework 1 and the secure component 6.Be formed for the groove 9 of lip ring 10 on the protecting component 8.The groove 9 of protecting component and annular seal 10 form locking piece, remain on the protective position guard block in place.Owing to there is annular seal 10, protecting component is remained on the protective position well, thereby the critical component of sprinkler is subjected to excellent protection, is not subjected to the influence of sprinkler surrounding environment.The parts that these need protection, especially flip flop equipment 5, are generally ampoul tube and nozzle 3.Sprinkler may be placed in the significantly different environment, and this moment, it was exposed to impurity or booty, and they may hinder sprinkler and play a role, and especially cause not being with the sprinkler of protecting component 8 to break down.In addition, protecting component 8 prevents flip flop equipment 5 involuntary triggerings, for example owing to of short duration thermal current guiding sprinkler triggers.This situation may take place, particularly in vcehicular tunnel in, this moment the truck tail gas sprinkler that may moment directly lead.

Medium transport that can be by will having pressure is set to standby to pipeline 7 with sprinkler.Therefore, pressure medium guiding sprinkler surface, thereby generation power move to the second place with the sprinkler frame 2 that promotes in the fastening framework 1 from primary importance, promptly in Fig. 1 downwards.Sprinkler frame 2 itself acts on guard block 8, thereby when the power of sprinkler frame 2 guiding protecting components 8 surpassed the power that protecting component is held in place, this protecting component was freed the non-protective position shown in Fig. 2 and 3 from its position.At its outermost parts place, promptly support frame 4 places act on protecting component 8 to sprinkler frame 2 along the direction of motion of sprinkler frame shown in the figure.In scheme as shown in the figure, the tightening member 16 that is used for coupling access component 15 is arranged into protecting component 8, prevents that by this harmful of protecting component 8 from dropping.Coupling access component 15 for example is to fasten parts such as rope, lead or equivalent parts or chain-like part.In the drawings, coupling access component 15 is fastened to protecting component 8, and its other end is fastened to pipeline 7, thereby the protecting component of freeing 8 hangs maintenance by coupling access component 15.

Under standby (Fig. 2, Fig. 3), sprinkler can activate in due form by flip flop equipment 5, and for example when triggering element 5 and break because of being heated, thereby nozzle 3 can spray firing-fighting medium.Under standby, sprinkler frame 2 of the present invention is extended a little and is left fastening framework, thus more close possible ignition point on the one hand, and for example ceiling or wall surface are spaced apart with fastening point on the other hand.

Usually firing-fighting medium pipeline 7 is so-called dry type pipelines, thereby it does not comprise firing-fighting medium.When firing-fighting medium was transferred to pipeline 7, firing-fighting medium moved to the second place with sprinkler frame from primary importance in the above described manner, entered standby, thereby protecting component 8 is also freed from its lock-out state.After ampoul tube 5 in being in the sprinkler of standby for example broke because of being heated, firing-fighting medium began nozzle 3 ejections from sprinkler.

Sprinkler of the present invention especially is fit to spray the firing-fighting medium mist that contains liquid.About the application and the feature of sprinkler, referring to publication EP 1150747 and WO01/26742.

To those skilled in the art, the present invention obviously is not limited to the foregoing description, but can change to some extent in the scope of subsidiary claims.As required, the feature that may describe in specification also can be used independently of one another together with other features.

Claims

1. sprinkler, comprising: wherein there is at least one nozzle (3) in sprinkler frame (2); Heat activated triggering element (5); And protecting component (8); when described sprinkler is in non-enable mode; described protecting component is positioned at the front portion of described nozzle (3); be positioned at protective position; and mechanically protect this triggering element (5); and this protecting component (8) can move to the second place; when this second place; at least one nozzle (3) and triggering element (5) are not subjected to the protection of described protecting component (8); it is characterized in that; described sprinkler frame (2) can move between the two positions with respect to fastening framework (1); be primary importance and described sprinkler frame the second place when stretching out of described sprinkler when being in non-enable mode; described sprinkler frame (2) is arranged to move to the described second place with respect to described fastening framework (1) from described primary importance under the effect of pressure medium; described protecting component (8) meanwhile leads power; it is moved to the described second place from described protective position; thereby when described sprinkler frame was in the described second place, described sprinkler was set to standby.

2. sprinkler as claimed in claim 1 is characterized in that described medium is a firing-fighting medium.

3. sprinkler as claimed in claim 1 or 2, it is characterized in that, described fastening framework (1) comprises cylindrical space (13), at least a portion of sprinkler frame (2) forms piston element, moves to the described second place from described primary importance under the pressure action of medium of this piston element in described cylindrical space (13).

4. as each described sprinkler in the claim 1 to 3, it is characterized in that described sprinkler frame (2) comprises motion limiting element (12), such as shoulder, and described fastening framework (1) comprises the apparent surface (14) who is used for this limiting element.

5. as each described sprinkler in the claim 1 to 4, it is characterized in that, described sprinkler frame (2) forms and comprises two parts, thereby described limiting element (12) is arranged in first parts (2 '), and described nozzle (3) is arranged in second parts (2).

6. as each described sprinkler in the claim 1 to 5, it is characterized in that described sprinkler frame (2) comprises support component (4), this support component is arranged to the enough big power described protecting component (8) that leads.

7. as each described sprinkler in the claim 1 to 6, it is characterized in that described protecting component (8) extends to when being in protective position near described fastening framework (1) or its.