EP2717972A1 - Verfahren zur bekämpfung und/oder vorbeugung eines brandes einer klimaanlage in fahrzeugen - Google Patents
Verfahren zur bekämpfung und/oder vorbeugung eines brandes einer klimaanlage in fahrzeugenInfo
- Publication number
- EP2717972A1 EP2717972A1 EP12725424.1A EP12725424A EP2717972A1 EP 2717972 A1 EP2717972 A1 EP 2717972A1 EP 12725424 A EP12725424 A EP 12725424A EP 2717972 A1 EP2717972 A1 EP 2717972A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- extinguishing agent
- calcium
- fire
- containing compound
- gel
- 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
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/07—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D1/00—Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
- A62D1/0028—Liquid extinguishing substances
- A62D1/0035—Aqueous solutions
Definitions
- the present invention relates to a method for controlling and / or preventing a fire of an air conditioning system in vehicles.
- 2,3,3,3-tetrafluoroprop-1-ene (also referred to as R1234yf) is significantly more climate-friendly.
- R1234yf 2,3,3,3-tetrafluoroprop-1-ene
- R1234yf is not highly flammable, it is still flammable. In case of fire, according to the manufacturer, hydrogen fluoride (HF) can be formed, a highly toxic and highly corrosive compound.
- HF hydrogen fluoride
- DE 10 2009 035 908 A1 describes the use of an extinguishing agent for controlling and / or preventing a fire of lithium ion secondary batteries.
- the extinguishing agent contains a calcium compound and gelling extender additive. Disclosure of the invention
- Airconditioner in vehicles containing 2,3,3,3-tetrafluoroprop-1-ene as a refrigerant is characterized in that at least the refrigerant containing the refrigerant
- an extinguishing agent which is an aqueous solution or suspension of a calcium-containing compound and a gel-forming
- the invention is based on the finding that a combination of a calcium-containing additive (in the form of calcium ions) and a generally polymeric gelling agent is capable of binding hydrogen fluoride formed in the event of a fire.
- a weight fraction of the gel-forming extinguishing agent additive per volume of the extinguishing agent is in the range from 0.1 to 3.0% w / v, in particular 0.2 to 2.0% w / v, particularly preferably 0.1 to 1.0% w / v (weight per volume).
- the maximum weight percentage of the gel should ensure that salting out of the calcium content by the gel is avoided.
- the presence of the gel as an additive in the extinguishing agent composition according to the invention has the advantage over pure water that, in principle, a higher cooling capacity is brought about by a considerably reduced rate of evaporation of the water.
- the gel film on the burned material ensures the completion of oxygen.
- a proportion by weight of the calcium-containing compound per volume of the extinguishing agent in the range of 1 to 40% w / v, in particular 10 to
- the calcium-containing compound is an inorganic salt, in particular calcium chloride (CaCl 2 ).
- the extinguishing agent described above which contains an aqueous solution or suspension of a calcium-containing compound and a gelling extinguishing agent additive, for controlling and / or preventing a fire of an air conditioning system in vehicles
- the extinguishing agent can be used only at the place of use or already premixed.
- Suitable dispensers and gel delivery devices are well known in the art.
- a structurant water-absorbing polymers can be used.
- examples include the product of Evonik available under the trade name Firesorb and the product of BASF available under the trade name Prevento.
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Fire-Extinguishing Compositions (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011077312A DE102011077312A1 (de) | 2011-06-09 | 2011-06-09 | Verfahren zur Bekämpfung und/oder Vorbeugung eines Brandes einer Klimaanlage in Fahrzeugen |
PCT/EP2012/060458 WO2012168165A1 (de) | 2011-06-09 | 2012-06-04 | Verfahren zur bekämpfung und/oder vorbeugung eines brandes einer klimaanlage in fahrzeugen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2717972A1 true EP2717972A1 (de) | 2014-04-16 |
EP2717972B1 EP2717972B1 (de) | 2019-01-16 |
Family
ID=46208050
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12725424.1A Not-in-force EP2717972B1 (de) | 2011-06-09 | 2012-06-04 | Verfahren zur bekämpfung und/oder vorbeugung eines brandes einer klimaanlage in fahrzeugen |
Country Status (6)
Country | Link |
---|---|
US (1) | US20140174767A1 (de) |
EP (1) | EP2717972B1 (de) |
CN (1) | CN103619420A (de) |
DE (1) | DE102011077312A1 (de) |
ES (1) | ES2720153T3 (de) |
WO (1) | WO2012168165A1 (de) |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB354726A (en) * | 1930-05-12 | 1931-08-12 | Jens Orten Boving | Improvements in reversible refrigerating apparatus employing a solid absorbent or an adsorbent |
US2311374A (en) * | 1938-11-01 | 1943-02-16 | American District Telegraph Co | Automatic fire control system for ventilating or air conditioning systems |
US4033740A (en) * | 1976-02-23 | 1977-07-05 | Gershon Meckler Associates | Combined environmental control and fire protection system |
US4405347A (en) * | 1982-01-11 | 1983-09-20 | Multiform Desiccants, Inc. | Adsorbent unit for mounting in the upper portion of a refrigerant receiver |
GB2277830B (en) * | 1993-05-04 | 1996-10-23 | Programme 3 Patent Holdings | High temperature storage battery |
DE4411281B4 (de) * | 1994-03-31 | 2004-07-22 | Daimlerchrysler Ag | Kraftfahrzeug mit einer Klimaanlage |
US6300378B1 (en) * | 1996-09-27 | 2001-10-09 | University Of New Mexico | Tropodegradable bromine-containing halocarbon additives to decrease flammability of refrigerants foam blowing agents solvents aerosol propellants and sterilants |
EP1380322A4 (de) * | 2001-04-20 | 2010-07-07 | Kohjin Co | Feuerlöschendes reagenz, wasser zum feuerlöschen, und verfahren zum löschen von bränden |
CN1765434A (zh) * | 2005-04-26 | 2006-05-03 | 昆明泰康集团有限公司 | 多功能冷气溶胶灭火剂及制取方法 |
US7708903B2 (en) * | 2005-11-01 | 2010-05-04 | E.I. Du Pont De Nemours And Company | Compositions comprising fluoroolefins and uses thereof |
DE102008001707A1 (de) * | 2008-05-09 | 2009-11-12 | Robert Bosch Gmbh | Energiewandler- und/oder Energiespeichervorrichtung mit fluorabsorberierender Ummantelung |
DE102009035908A1 (de) * | 2009-08-03 | 2011-02-10 | Robert Bosch Gmbh | Verfahren zur Bekämpfung und/oder Vorbeugung eines Brandes von Lithium-Ionen-Zellen und Lithium-Ionen-Polymer-Zellen |
-
2011
- 2011-06-09 DE DE102011077312A patent/DE102011077312A1/de not_active Withdrawn
-
2012
- 2012-06-04 EP EP12725424.1A patent/EP2717972B1/de not_active Not-in-force
- 2012-06-04 ES ES12725424T patent/ES2720153T3/es active Active
- 2012-06-04 US US14/124,735 patent/US20140174767A1/en not_active Abandoned
- 2012-06-04 WO PCT/EP2012/060458 patent/WO2012168165A1/de active Application Filing
- 2012-06-04 CN CN201280027461.7A patent/CN103619420A/zh active Pending
Non-Patent Citations (1)
Title |
---|
See references of WO2012168165A1 * |
Also Published As
Publication number | Publication date |
---|---|
US20140174767A1 (en) | 2014-06-26 |
WO2012168165A1 (de) | 2012-12-13 |
ES2720153T3 (es) | 2019-07-18 |
EP2717972B1 (de) | 2019-01-16 |
DE102011077312A1 (de) | 2012-12-13 |
CN103619420A (zh) | 2014-03-05 |
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