EP1036733A2 - Selbsttätige Aufblasvorrichtung für schwimmfähige Rettungsgeräte - Google Patents
Selbsttätige Aufblasvorrichtung für schwimmfähige Rettungsgeräte Download PDFInfo
- Publication number
- EP1036733A2 EP1036733A2 EP00105244A EP00105244A EP1036733A2 EP 1036733 A2 EP1036733 A2 EP 1036733A2 EP 00105244 A EP00105244 A EP 00105244A EP 00105244 A EP00105244 A EP 00105244A EP 1036733 A2 EP1036733 A2 EP 1036733A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- tip
- firing pin
- inflator according
- membrane
- compressed gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000012528 membrane Substances 0.000 claims abstract description 46
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 238000010304 firing Methods 0.000 claims description 34
- 238000012360 testing method Methods 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 239000004020 conductor Substances 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 230000002950 deficient Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012552 review Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C9/00—Life-saving in water
- B63C9/08—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like
- B63C9/18—Inflatable equipment characterised by the gas-generating or inflation device
- B63C9/19—Arrangements for puncturing gas-generating cartridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C9/00—Life-saving in water
- B63C9/08—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like
- B63C9/18—Inflatable equipment characterised by the gas-generating or inflation device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C9/00—Life-saving in water
- B63C2009/0023—Particular features common to inflatable life-saving equipment
- B63C2009/0029—Inflation devices comprising automatic activation means, e.g. for puncturing gas-generating cartridges
- B63C2009/0064—Inflation devices using pyrotechnic means and comprising automatic activation
Definitions
- the invention relates to an automatic under Exposure to inflatable water device for buoyant rescue devices that have a firing pin with a tip for piercing the sealing membrane a compressed gas cartridge and in which a pyrotechnic charge by ignition a stamp to move the firing pin against the force of a spring in the direction of the sealing membrane drives.
- Such inflators are used in inflatable Lifeboat devices, especially life jackets and collars used to these devices automatic in case of emergency when immersed in water inflate. This is particularly necessary if the person wearing a life jacket unable to inflate manually to activate.
- An inflator at the beginning described type is for example from DE 41 06 435 A1 known.
- the functionality or the operating state of the inflator can only be determined by the compressed gas cartridge and / or the pyrotechnic charge from the device removed and inspected. Such a review is time consuming and therefore when using the rescue device in emergencies no longer to be carried out. There is therefore the Danger of not working due to ignorance Rescue equipment is used, which is devastating Can have consequences.
- the invention is based, measures to provide for a functional check the inflator at any time with no effort enable.
- This object is based on the invention by an inflator of the type described Genus, solved in that in the standby position the tip of the firing pin the sealing membrane rests, the tip the firing pin as well as the locking membrane electrically conductive materials exist and the sealing membrane of the compressed gas cartridge on the one hand and the tip of the firing pin, on the other hand, is electrical in connection with a display device stand to the presence of a pressurized gas cartridge with an intact sealing membrane or the absence to display such a cartridge. In standby there is therefore an electrical one Contact between the tip of the firing pin and the intact sealing membrane, if present is. It becomes a closed circuit formed, which lead to a corresponding display can.
- the display device can be configured that either continuously or after actuation appropriate switching means the presence or Absence of a compressed gas cartridge with an intact sealing membrane is shown.
- appropriate switching means the presence or Absence of a compressed gas cartridge with an intact sealing membrane is shown.
- the first measure is the inspection of the compressed gas cartridge by mere Inspection as you walk past Rescue device possible. However, this is one increased energy consumption.
- the second Measure can significantly reduce energy consumption become. Nevertheless, the review of the Functionality quickly and therefore also briefly before actually using the reserve parachute possible.
- the firing pin tip is flattened, causing a large electrical contact area between the Closing membrane and the tip of the firing pin is obtained.
- the reliability of the ad is thus increased. It also avoids that they are always in the standby position on the sealing membrane in the tip Integrated membrane and destroyed it early.
- This tip can be wider than a truncated cone or pyramid with an angle preferably of about 45 ° be trained, thereby ensuring that after piercing the membrane into the Starting position returned tip the edges the opening in the membrane does not touch.
- the tip of the firing pin can be directed towards spring biased on the closure membrane his. That on the firing pin or its Pointed spring element ensures a constant electrical contact between the tip the firing pin and the undamaged membrane the compressed gas cartridge, which increases reliability the display is further increased.
- the display device into an electrical trigger Ignition device for the pyrotechnic charge be integrated.
- the trigger and ignition device can be operated with an electrical activatable by water Switch be provided. It is convenient when the electrical switch is two apart Has contacts between them by water an electrical connection is made and a shielding wall to avoid leakage currents is arranged. This has the advantage that, for example Splashing water, condensing moisture or condensate the inflator do not trigger at the wrong time.
- the triggering and ignition device with one Test circuit and a display device equipped be, causing the pyrotechnic charge can be loaded with a test current or a test voltage that does not lead to ignition, to that Presence or absence of an intact pyrotechnic Display charge.
- This can reduce the functionality the pyrotechnic charge with simple Means are checked.
- test circuit and the circuit to check the sealing membrane with the same Display device cooperate what to a reduction in the space requirement of the test circuits leads.
- the display device can take the form a simple light, for example an LED, have that in the case of a flawless device lights up.
- the test circuit and the circuit to check the sealing membrane can in series be switched because the rescue system is unusable is when there is no intact sealing membrane is or cannot be triggered automatically, if the pyrotechnic charge is defective or is missing. For the individual exams, too separate displays are provided.
- the inflator shown in the drawing has a lower housing part 11 with a thread receptacle 13 for a compressed gas cartridge 12.
- the compressed gas cartridge 12 is through a sealing membrane 14 locked.
- In the lower housing part 11 is still a firing pin 15 slidably mounted.
- the Firing pin 15 acts on a firing pin tip 16 a when the firing pin moves 15 towards the closure membrane 14 this pierces, whereby the compressed gas cartridge 12 is opened is, so that the gas from the compressed gas cartridge 12th through a channel 17 in the not shown inflatable rescue device flows.
- the firing pin 15 can on the one hand by a mechanical lever mechanism 18 moved manually become. This mechanism 18 is well known and requires no further explanation. On the other hand can the firing pin 15 by a pyrotechnic Charge 19 towards the sealing membrane 14 are moved. This pyrotechnic charge 19 is arranged in a cartridge 20, which is in the upper housing part 21 of the inflator through a threaded cap 26 is held. The prefabricated cartridge 20 has a stamp 22 which is connected to the firing pin 15 cooperates. The firing pin 15 is in the standby position shown by a Return spring 23 held. The one in direct contact area 34 with the sealing membrane 14 the tip 16 is flattened and as a cone or Truncated pyramid.
- the standby touches the top 16 of the firing pin 15, the closure membrane 14.
- the tip 16 against the action of Return spring 23 formed by a compression spring and spring element supported on the firing pin 15 24 pressed against the closure membrane 14.
- Both the tip 16 of the firing pin 15 as well the closure membrane 14 are electrically connected with a display device.
- This will a test circuit is formed with which the presence an intact closure membrane 14 and thus an intact compressed gas cartridge 12 can be checked can.
- the thread intake 13 and all other housing parts are also electrical conductive or mutually electrically insulated trained to maintain the test circuit.
- the pyrotechnic charge 19 is activated by a triggering and ignition device 25, the under Exposure to water is triggered.
- the trigger and and igniter 25 is electrical with the terminal 33 of the cartridge 20 connected.
- the trigger and and ignition device 25 can also directly a connection 37 to the cartridge 20 and the upper housing part 21 can be attached.
- the triggering and ignition device 25 is in one Housing with two chambers 27, 28 arranged, wherein in one chamber 27 a water-activated one electrical switch 29 and in the other Chamber 28 the electronics not shown and the batteries or accumulators for the test current and the ignition current of the pyrotechnic charge 19 are arranged.
- This chamber 28 is preferred waterproof.
- the switch 29 can be activated by water electrical contacts 30 between which the flowing into the chamber 27 through openings 36 Water creates an electrical connection. Between a partition 35 is arranged in contacts 30, which does not extend to the chamber wall on all sides. This can trigger the inflator can be prevented by leakage currents.
- the electronics of the trigger and ignition device 25 further includes a test circuit by the pyrotechnic charge 19 with a test voltage or a test current can be applied, by the or the no ignition of the pyrotechnic charge 19 takes place. So that the presence of a ignitable pyrotechnic charge 19 are checked.
- the test circuit can do this with electronics, which in connection with that through water triggerable switch 29 stands, cooperate such that only under the influence of water the required Ignition voltage or the required ignition current is switched.
- triggering and ignition device 25 is also the test circuit for the sealing membrane 14 integrated.
- display means here, the the respective operating state of the inflator Show. These display means are as conventional LEDs 31 formed.
- Switching means for example a button 32, are provided, with which the individual exams come together or can be carried out one after the other.
- the spring element, with the firing pin tip towards the Prestressed sealing membrane of the compressed gas cartridge is when between the firing pin tip and the Firing pin arranged disc or ring be made of an elastic material.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Air Bags (AREA)
- Emergency Lowering Means (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
Description
- Fig. 1
- einen Schnitt durch eine Aufblasvorrichtung gemäß der Erfindung in Bereitschaftsstellung, und
- Fig. 2
- die Auslöse- und Zündeinrichtung, teilweise im Schnitt.
Claims (13)
- Selbsttätige unter Einwirken von Wasser auslösbare Aufblasvorrichtung für schwimmfähige Rettungsgeräte, die einen Schlagbolzen (15) mit einer Spitze (16) zum Durchstoßen der Verschlußmembran (14) einer Druckgaspatrone (12) aufweist und bei der eine pyrotechnische Ladung (19) durch Zünden einen Stempel (22) zur Bewegung des Schlagbolzens (15) gegen die Kraft einer Feder (23) in Richtung auf die Verschlußmembran (14) treibt, dadurch gekennzeichnet, daß die Spitze (16) des Schlagbolzens (15) sowie die Verschlußmembran (14) aus elektrisch leitfähigen Werkstoffen bestehen und in der Bereitschaftsstellung die Spitze (16) des Schlagbolzens (15) an der Verschlußmembran (14) anliegt, sowie die Verschlußmembran (14) der Druckgaspatrone (12) einerseits und die Spitze (16) des Schlagbolzens (15) andererseits elektrisch mit einer Anzeigevorrichtung (31) in Verbindung stehen, um das Fehlen oder Vorhandensein einer Druckgaspatrone (12) mit einer intakten Verschlußmembran (14) anzuzeigen.
- Aufblasvorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Anzeigevorrichtung (31) kontinuierlich oder nach Betätigung entsprechender Schaltmittel (32) das Vorhandensein oder Fehlen einer Druckgaspatrone (12) mit einer intakten Verschlußmembran (14) anzeigt.
- Aufblasvorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Spitze (16) des Schlagbolzens (15) im Kontaktbereich (34) abgeflacht ist.
- Aufblasvorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Spitze (16) als Kegel- oder Pyramidenstumpf ausgebildet ist.
- Aufblasvorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß auf die Spitze (16) des Schlagbolzens (15) ein Federelement (24) in Richtung auf die Verschlußmembran (14) einwirkt.
- Aufblasvorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Anzeigevorrichtung (31) in eine elektrische Auslöse- und Zündeinrichtung (25) für die pyrotechnische Ladung (19) integriert ist.
- Aufblasvorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Auslöse- und Zündeinrichtung einen durch Wasser aktivierbaren elektrischen Schalter (29) aufweist.
- Aufblasvorrichtung nach Anspruch 7, dadurch gekennzeichnet, daß der elektrische Schalter zwei beabstandete Kontakte (30) aufweist, zwischen denen eine Abschirmwand (35) zur Vermeidung von Kriechströmen angeordnet ist.
- Aufblasvorrichtung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die Auslöse- und Zündeinrichtung (25) einen Testschaltkreis und eine Anzeigevorrichtung (31) aufweist, durch den die pyrotechnische Ladung (19) mit einem Teststrom oder einer Testspannung beaufschlagbar ist, die nicht zum Zünden führt, um das Vorhandensein oder Fehlen einer intakten pyrotechnischen Ladung (19) anzuzeigen.
- Aufblasrorrichtung nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß der Testschaltkreis und der Stromkreis zum Überprüfen der Verschlußmembran (14) mit derselben Anzeigevorrichtung (31) zusammenwirken.
- Aufblasvorrichtung nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß für den Testschaltkreis und den Stromkreis zum Überprüfen der Verschlußmembran (14) getrennte Anzeigevorrichtungen vorhanden sind.
- Aufblasvorrichtung nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß das Testen der Druckgaspatrone (12) und der pyrotechnischen Ladung (19) durch Betätigen desselben Schaltmittels (32) erfolgt.
- Aufblasvorrichtung nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, daß die Auslöse- und Zündeinrichtung (25) ein Gehäuse mit zwei Kammern (27, 28) umfaßt, wobei in der einen Kammer (27) der durch Wasser aktivierbare elektrische Schalter (29) und in der anderen Kammer (28) die Elektronik, die Anzeigevorrichtung (31) und die Batterien oder Akkumulatoren angeordnet sind.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29904651U | 1999-03-13 | ||
DE29904651 | 1999-03-13 | ||
DE29914503U DE29914503U1 (de) | 1999-03-13 | 1999-08-18 | Selbsttätige Aufblasvorrichtung für schwimmfähige Rettungsgeräte |
DE29914503U | 1999-08-18 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1036733A2 true EP1036733A2 (de) | 2000-09-20 |
EP1036733A3 EP1036733A3 (de) | 2000-12-06 |
EP1036733B1 EP1036733B1 (de) | 2003-06-25 |
Family
ID=26062355
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00105244A Expired - Lifetime EP1036733B1 (de) | 1999-03-13 | 2000-03-13 | Selbsttätige Aufblasvorrichtung für schwimmfähige Rettungsgeräte |
Country Status (2)
Country | Link |
---|---|
US (1) | US6254447B1 (de) |
EP (1) | EP1036733B1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103991524A (zh) * | 2014-05-09 | 2014-08-20 | 宁波市成大机械研究所 | 能在水下自动充气的气包 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6589087B2 (en) * | 2001-09-07 | 2003-07-08 | Halkey-Roberts Corporation | Automatic inflator with status indicator |
US7854347B2 (en) * | 2006-06-02 | 2010-12-21 | Hudson Wang | Manual gas inflator |
CN102424103A (zh) * | 2011-12-22 | 2012-04-25 | 厦门朗纳科工贸有限公司 | 一种救生衣用的自动充气装置 |
JP5944684B2 (ja) * | 2012-02-15 | 2016-07-05 | 日本炭酸瓦斯株式会社 | 本体ケースとアダプターの着脱機構 |
WO2014018332A1 (en) * | 2012-07-23 | 2014-01-30 | Carleton Technologies, Inc. | Inflator assembly adapted for manual or automatic inflation |
US20150314843A1 (en) * | 2013-01-21 | 2015-11-05 | Zactill Intellectual Property Pty Ltd | Safety Device and Adapter Therefor |
CN103991523B (zh) * | 2014-05-09 | 2017-10-24 | 宁波市成大机械研究所 | 能在水中自动充气的气囊 |
CN104443303B (zh) * | 2014-11-26 | 2020-04-24 | 湖南中医药大学 | 多功能智能救生衣 |
EP3303118A4 (de) * | 2015-06-02 | 2019-02-13 | Ecocraft Systems Pty Ltd | Persönliche sicherheitsvorrichtung |
WO2017151197A1 (en) | 2015-11-24 | 2017-09-08 | Aktivax, Inc. | Pressure cartridge and activation mechanism |
WO2020163423A1 (en) | 2019-02-06 | 2020-08-13 | Boost Ideas, Llc | Water safety garment, related apparatus and methods |
CN113562141A (zh) * | 2021-08-23 | 2021-10-29 | 杨宏愿 | 一种自动触发的智能救生装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4106435A1 (de) | 1990-02-28 | 1991-09-19 | Halkey Roberts Corp | Elektrisch betaetigbare selbst-aufblasvorrichtung |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3426942A (en) * | 1967-07-31 | 1969-02-11 | Jay El Products Inc | Water-responsive energizing apparatus |
US3675722A (en) * | 1971-04-05 | 1972-07-11 | Gen Fire Extinguisher Corp | Pressure indicator |
FR2199111B1 (de) * | 1972-09-08 | 1975-03-07 | Delest Rene | |
GB1462559A (en) * | 1974-04-17 | 1977-01-26 | Niemann W | Inflation device for buoyant life-saving apparatus |
US4049935A (en) * | 1974-06-11 | 1977-09-20 | Allied Chemical Corporation | Pressure switch with diaphragm |
DE3731793A1 (de) * | 1987-09-22 | 1989-03-30 | Total Feuerschutz Gmbh | Feuerloeschanlage |
US5035345A (en) * | 1990-05-07 | 1991-07-30 | Apoc, Inc. | Automatic inflator for inflatable articles |
US4927057A (en) * | 1989-05-30 | 1990-05-22 | Inflation Technologies & Innovation | Automatic inflator for inflatable articles |
FR2676931B1 (fr) * | 1991-05-29 | 1994-04-01 | Simon Beril Jean Claude | Dispositif electronique de controle et de surveillance d'un extincteur mobile d'incendie. |
US5509576A (en) * | 1992-07-14 | 1996-04-23 | Halkey-Roberts Corporation | Electric autoinflator |
DE9210849U1 (de) * | 1992-08-13 | 1993-12-16 | Bernhardt Apparatebau GmbH & Co., 22880 Wedel | Anzeigeeinrichtung für eine Vorrichtung zum Aufblasen, insbesondere eines Behälters oder eines Schwimmkörpers eines Rettungsgerätes |
US5333656A (en) * | 1993-05-26 | 1994-08-02 | Mackal Glenn H | Auto inflator having dissolvable element under low pressure |
DE9401917U1 (de) * | 1994-02-05 | 1994-03-31 | Bernhardt Apparatebau Gmbh + Co., 22880 Wedel | Auslöseadapter für Druckgaspatrone |
US5597091A (en) * | 1995-02-27 | 1997-01-28 | M.E.T.A. Reasearch Inc. | Safety indicator for an inflation system |
FR2732304B1 (fr) * | 1995-03-31 | 1997-06-06 | Zodiac Int | Dispositif de survie en mer |
US5820431A (en) * | 1996-05-30 | 1998-10-13 | Biesecker Douglas A | Deployment mechanism for pocket-sized, emergency flotation device |
US5643030A (en) * | 1996-07-17 | 1997-07-01 | Brown; Dennis | Gas cartridge safety inflator apparatus |
-
2000
- 2000-03-13 US US09/523,714 patent/US6254447B1/en not_active Expired - Fee Related
- 2000-03-13 EP EP00105244A patent/EP1036733B1/de not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4106435A1 (de) | 1990-02-28 | 1991-09-19 | Halkey Roberts Corp | Elektrisch betaetigbare selbst-aufblasvorrichtung |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103991524A (zh) * | 2014-05-09 | 2014-08-20 | 宁波市成大机械研究所 | 能在水下自动充气的气包 |
Also Published As
Publication number | Publication date |
---|---|
EP1036733B1 (de) | 2003-06-25 |
US6254447B1 (en) | 2001-07-03 |
EP1036733A3 (de) | 2000-12-06 |
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