CN101905069B - 喷洒器、阀或类似物的热触发元件 - Google Patents
喷洒器、阀或类似物的热触发元件 Download PDFInfo
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- CN101905069B CN101905069B CN201010224033.6A CN201010224033A CN101905069B CN 101905069 B CN101905069 B CN 101905069B CN 201010224033 A CN201010224033 A CN 201010224033A CN 101905069 B CN101905069 B CN 101905069B
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
- A62C37/10—Releasing means, e.g. electrically released
- A62C37/11—Releasing means, e.g. electrically released heat-sensitive
- A62C37/14—Releasing means, e.g. electrically released heat-sensitive with frangible vessels
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/1624—Destructible or deformable element controlled
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/1624—Destructible or deformable element controlled
- Y10T137/1797—Heat destructible or fusible
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Abstract
本发明涉及一种用于喷洒器、阀或类似物的热触发元件,该触发元件是以在完全包围的内腔(2)中用爆破液体灌充的容器(1)的形式。就触发温度的精确度而言,已提高了对现代触发元件的要求,亦即存在着对高的温度敏感性爆破液体的需要,这些爆破液体适合于在几摄氏度的范围内准确和可再现地调节触发温度。这个要求以这样的方式来满足,即触发液体含有从下面物质类别之一所选择的一种烃或这些烃的混合物,或者由这些烃的一种或这些烃的混合物组成:a)脂肪族的溴化物;b)带有硝基的烃;c)单卤化的苯环;d)带有两个均双键结合的氧原子的脂肪族酯化合物。
Description
长久以来公知的是,用于喷洒器的,但也用于其它阀(例如用于贮气器紧急排放阀)的热触发元件,以在内部具有完全包围的、用爆破液体灌充的空腔的容器形式来实施。其中,容器大多由玻璃构成,这些容器也可以称作为玻璃小瓶。
作为热触发元件的这种玻璃小瓶,例如在DE 36 01 203 A1中有记载。
这种类型的触发元件是用一种爆破液体灌充的,该液体在加热时膨胀并导致典型地夹紧在阀座中的、将阀保持在关闭位置的容器爆裂,致使阀或类似物的触发。
作为爆破液体推荐有各种物质。例如,美国专利4,938,294提到有甲苯、二甲苯、三氯乙烯、四氯乙烯或由它们组成的混合物作为适宜的爆破液体。在EP 0 838 242 B1中,提及带有两个或更多个卤素取代基的芳族烃的卤代衍生物、脂族酰胺以及由它们组成的混合物作为适宜的爆破液体。
最后在DE 197 80 041 C1中记载,将由不含卤素的或卤代的烃衍生的物质作为适宜的爆破液体,在该物质中在它的结构式中
a)
i)至少一个CH2基被氧(O)、硫(S)、亚硫酰基(SO)或磺酰基(SO2)代替,或
ii)至少一个CH基被氮代替,
b)没有直接键合在氧、氮或硫上的氢原子,
c)
i)存在至少一个环,或
ii)存在至少两个均带有两个单键的氧原子或
iii)存在至少两个酮和/或醛的羰基或
iv)存在至少一个氧化的硫原子(SO或SO2)或
v)存在至少一个以酰胺、酰亚胺、亚胺或腈形式的氮原子。
虽然所有提到的触发液体理论上是经受考验的,并且原则上适合于在相应类型的触发元件中应用。然而,继续存在着改进的需要,尤其是在下面的角度:
例如,就触发温度的精确度而言,已提高了对现代触发元件的要求,因此存在着对高的温度敏感性爆破液体的需要,这些爆破液体适合于在几摄氏度的范围内准确和可再现地调节触发温度。除此之外,很多以前应用的爆破液体对健康有害,对环境有害或甚至可燃。
在此正需要,用本发明去实现消除弊端和提出爆破液体替代物的可能性,其中爆破液体一方面允许配备有它的触发元件的高度温度准确地和温度敏感地触发,另一方面跟现有技术相比随之带来减少的对健康的危害和对环境的危害,这样会使加工变得较少充满危险。
在寻找可能的变通方案上,发明人已进行了大量的试验和研究,最终偶然发现在权利要求1中所述的一组烃,从这些烃中可以选出单个物质并该单个物质可以用于加工成触发液体,以及还有选自该组的物质的混合物。
在此,这组物质包括脂肪族溴化物、带有硝基的烃、单卤化的苯环和带有两个均双键结合的氧原子的脂肪族酯化合物。
脂肪族溴化物尤其可以是双卤化的那些。
各物质组的特征如下:
脂肪族的溴化物具有很高的密度,该密度与低的热容结合允许配备有所述溴化物的触发元件具有很快的触发时间和窄的温度范围。这尤其也适用于特别优选的双卤化的脂肪族溴化物。
跟现在通用的爆破液体相比,脂肪族的溴化物改善了在其它方面相同结构的热触发元件的响应灵敏度约15%。跟通常用的爆破液体相比,触发温度范围的标准偏差也改善15%。
硝基化合物由于其NO2-结构而具有高的电压(Spannungs-)系数和高导热性。除此之外,它们有较低的动态粘度,因此可以弥补不然就触发时间而言有缺点的小密度和较高热容。因此,这些物质也导致快速的触发时间和也允许选择窄的温度范围。
本来已经具有作为爆破液体的良好特性的环状分子,作为带有最大一个卤素的苯环,具有高的电压系数和低的热容,这又导致快速的触发时间和窄的温度范围。
最后,带有两个均双键结合的氧原子的脂肪族酯化合物又允许很窄的温度范围,并且尽管没有达到如前所述物质组的程度,但仍然还具有良好的触发时间。由于高沸点它们尤其适合于在具有高触发温度的热触发元件中应用。
通过从所提到物质组中选择物质的混合物,可以以受控的方式确定,即设计热触发元件的触发性能。
有利地可以向爆破液体中添加添加剂,尤其是添加一种或多种着色剂。因为多数所选择的触发液体是无色透明的,所以添加着色剂不仅在质量控制中便利于例如识别出特意保留在内腔中的气泡和估计气泡的大小,而且可以经由添加不同的着色剂来鉴别在现有技术中已知的和针对不同触发温度而已经使用的编码。
本发明的其它优点和特征由下面一个实施例的描述得出,为此参考唯一的附图图1,在该图中示意性示出的是夹紧在两个支承元件之间的触发元件,该触发元件以本发明的方式用所说明的和所要求保护的爆破液体来灌充。
图1中所示的触发元件是如原则上现有技术已知的玻璃小瓶1。例如,在此示出的玻璃小瓶在其结构上基本对应于DE 36 01 203中所述的形状和特性。玻璃小瓶完全包围着一个中空的内腔2和在它作为触发元件应用时以彼此对置的末端3和4置于支承元件5和6上,并夹紧在支承元件之间。在这种情况下,支承元件之一,例如支承元件5可以是喷洒器的阀盘,另外的支承元件,例如支承元件6可以是位于其对面的支承卡箍,就像经常在喷洒器设备中见到的那样。但是同样地,玻璃小瓶1也可以作为热触发元件连接到贮气器的紧急排放阀中或类似的装置中。
本发明的关键是灌充在内腔2中的爆破液体,该液体在受热时由于热膨胀而导致玻璃小瓶1爆裂和因而导致热触发装置触发。典型地,现有技术也已知,使触发液体在保留特定的小气泡(通常是空气)的情况下灌充在内腔中,其中所述小气泡接收触发液体的初次热膨胀,直至特别是由于相变而发生爆炸性的膨胀,该膨胀可以使玻璃小瓶1爆裂。按照本发明,在内腔2的内部,触发液体含有至少一种烃,其由脂肪族溴化物、优选双卤化的脂肪族溴化物,带有硝基的烃,单卤化的苯环和带有两个均双键结合的氧原子的脂肪族酯化合物组成,或者含有一种或多种这些组的不同烃的混合物。爆破液体可以只是包含这些烃,但特别地完全由一种或多种所提到的烃构成。
以本发明的方式适用于爆破液体的且选自所述组的烃的例子,从下面的表中得出:
与现有技术相比,相应的触发液体的选择关系着显著的优点,这些优点尤其在于触发温度的精确可调节性、针对触发的狭窄可调的温度范围以及响应灵敏度的提高。
在此,可以向爆破液体中添加添加剂,尤其是添加一种或多种着色剂。因为大多数所选择的触发液体是无色透明的,所以添加着色剂不仅在质量控制中便利于识别出所期望的气泡和估计气泡的大小,而且可以经由添加不同的着色剂来鉴别在现有技术中已知的和针对不同触发温度而已经使用的编码。
附图标记列表
1 玻璃小瓶
2 内腔
3 末端
4 末端
5 支承元件
6 支承元件
Claims (4)
1.用于喷洒器或阀的热触发元件,该触发元件是以在完全包围的内腔(2)中用爆破液体灌充的容器(1)形式,其中触发液体含有从下面物质组之一所选择的一种烃或这些烃的混合物,或者由这些烃的一种或这些烃的混合物组成:
a)脂肪族的溴化物;
b)带有硝基的烃;
c)单卤化的苯环;
d)带有两个均双键结合的氧原子的脂肪族酯化合物。
2.如权利要求1的热触发元件,其特征在于,所述爆破液体是双卤化的脂肪族溴化物或含有双卤化的脂肪族溴化物。
3.如权利要求1或2之一的热触发元件,其特征在于,所述爆破液体含有添加剂。
4.如权利要求3的热触发元件,其特征在于,所述添加剂为一种或多种着色剂。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200920007987 DE202009007987U1 (de) | 2009-06-05 | 2009-06-05 | Thermisches Auslöseelement für Sprinkler, Ventile o.dgl. |
DE202009007987.2 | 2009-06-05 |
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CN101905069A CN101905069A (zh) | 2010-12-08 |
CN101905069B true CN101905069B (zh) | 2014-03-12 |
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CN201010224033.6A Active CN101905069B (zh) | 2009-06-05 | 2010-04-19 | 喷洒器、阀或类似物的热触发元件 |
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US (1) | US8402985B2 (zh) |
EP (1) | EP2258451B1 (zh) |
CN (1) | CN101905069B (zh) |
DE (1) | DE202009007987U1 (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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DE202011050661U1 (de) | 2011-07-07 | 2011-09-09 | Job Lizenz Gmbh & Co. Kg | Thermisches Auslöseelement für Sprinkler, Ventile oder dergleichen |
US8800588B2 (en) * | 2011-12-13 | 2014-08-12 | GM Global Technology Operations LLC | Glass bulb thermally-activated pressure relief device, safety inspection method, and equipment |
DE202012100623U1 (de) | 2012-02-24 | 2012-03-22 | Job Lizenz Gmbh & Co. Kg | Brandschutzeinrichtung für elektrische Kleingeräte |
US8910651B2 (en) * | 2013-03-13 | 2014-12-16 | GM Global Technology Operations LLC | Thermal pressure relief devices and related systems and methods |
US9573007B2 (en) | 2013-03-15 | 2017-02-21 | Tyco Fire Products Lp | Fire protection sprinkler |
SK7760Y1 (sk) * | 2016-05-31 | 2017-05-03 | Roman Malovec | Samohasiace automatické požiarne zariadenie a spôsob protipožiarnej ochrany |
EP4008411B1 (en) * | 2020-12-04 | 2024-02-28 | Marioff Corporation OY | Sprinkler bulb |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2185422A (en) * | 1932-03-24 | 1940-01-02 | Patrol Valve Company | Thermostatic device |
US4938294A (en) * | 1987-02-13 | 1990-07-03 | Mohler Johann G | Trigger element for a sprinkler |
US5967238A (en) * | 1996-10-03 | 1999-10-19 | Pepi; Jerome S. | Thermally responsive frangible bulb |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1905676A (en) * | 1930-04-15 | 1933-04-25 | Gen Fire Extinguisher Co | Automatic sprinkler or fire extinguisher and other fire device |
NL6614205A (zh) * | 1966-10-08 | 1968-04-09 | ||
US3798092A (en) * | 1972-08-25 | 1974-03-19 | Commerical Solvents Corp | Low-temperature liquid explosive composition |
US4018164A (en) * | 1973-09-10 | 1977-04-19 | Breed Corporation | Projectile fuze containing a floating body |
DE3601203A1 (de) | 1985-09-09 | 1987-03-19 | Eduard J Dipl Ing Job | Glasfaesschen fuer sprinkler fuer feuerloeschanlagen oder andere thermische ausloeseeinrichtungen |
GB2314770B (en) * | 1996-01-25 | 1999-10-27 | Norbulb Sprinkler Elemente Gmb | Sprinkler Actuator |
US5758355A (en) * | 1996-08-07 | 1998-05-26 | Aurum Software, Inc. | Synchronization of server database with client database using distribution tables |
US20060071088A1 (en) * | 2004-10-05 | 2006-04-06 | Paul Adams | Fuel cartridge with an environmentally sensitive valve |
JP2009119240A (ja) * | 2008-05-02 | 2009-06-04 | Yamato Grand Kk | 消火性シート |
-
2009
- 2009-06-05 DE DE200920007987 patent/DE202009007987U1/de not_active Expired - Lifetime
-
2010
- 2010-03-03 EP EP10155380.8A patent/EP2258451B1/de active Active
- 2010-04-13 US US12/759,349 patent/US8402985B2/en active Active
- 2010-04-19 CN CN201010224033.6A patent/CN101905069B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2185422A (en) * | 1932-03-24 | 1940-01-02 | Patrol Valve Company | Thermostatic device |
US4938294A (en) * | 1987-02-13 | 1990-07-03 | Mohler Johann G | Trigger element for a sprinkler |
US5967238A (en) * | 1996-10-03 | 1999-10-19 | Pepi; Jerome S. | Thermally responsive frangible bulb |
Also Published As
Publication number | Publication date |
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CN101905069A (zh) | 2010-12-08 |
DE202009007987U1 (de) | 2010-10-28 |
US8402985B2 (en) | 2013-03-26 |
EP2258451A1 (de) | 2010-12-08 |
EP2258451B1 (de) | 2016-03-02 |
US20100307605A1 (en) | 2010-12-09 |
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