DE331670C - Alarm and display device for the occurrence of harmful gases - Google Patents
Alarm and display device for the occurrence of harmful gasesInfo
- Publication number
- DE331670C DE331670C DENDAT331670D DE331670DD DE331670C DE 331670 C DE331670 C DE 331670C DE NDAT331670 D DENDAT331670 D DE NDAT331670D DE 331670D D DE331670D D DE 331670DD DE 331670 C DE331670 C DE 331670C
- Authority
- DE
- Germany
- Prior art keywords
- display device
- occurrence
- alarm
- harmful gases
- gases
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Emergency Alarm Devices (AREA)
Description
Alarm- und Anzeigevorrichtung für das Auftreten gesundheitsschädlicher Gase. Es sind Vorrichtungen. bekannt, die das Ausströmen von Gas aus Rohrleitungen sowie allgemein das Auftreten gesundheitsschädlicher Gase anzeigen. Die einen benutzen dabei die Volumenveränderung von Körpern im glühenden Zustande, die andern z. B. die Verdunkelung einer Lichtquelle infolge Schwärzung gewisser Metallmischungen. -Gegenstand der Erfindung ist eine ebensolche Anzeigevorrichtung, nur ist sie gegenüber dem Bekannten bedeutend einfacher gehalten. Auch die Wirkungsweise ist anders, wodurch z. B. gewisse Vorbedingungen der bekannten Einrichtungen, die ein Versagen der Vorrichtung bedingen, ausgeschaltet werden.Alarm and display device for the occurrence of harmful substances Gases. They are devices. known to the leakage of gas from pipelines as well as generally indicate the occurrence of harmful gases. Use the one while the volume change of bodies in the glowing state, the other z. B. the darkening of a light source as a result of the blackening of certain metal mixtures. -The subject of the invention is such a display device, only it is opposite kept much simpler to the known. The mode of action is also different, which means z. B. certain preconditions of the known devices that a failure of the device condition to be turned off.
In der Zeichnung ist ein Ausführungsbeispiel dargestellt. Es bedeutet Fig. = einen Deckel i mit Öffnungen 2, dessen Schnitt in Fig. 2 wiedergegeben ist. Dieser Deckel wird auf eine Grundplatte g (Fig. 3) aufgesetzt. Fig. q. stellt den Schnitt durch die Vorrichtung bei der Ebene C-D dar. Auf der Grundplatte im Kasten befinden sich zwei Metallschienen 3 mit Reitern 4. In diese werden die katalytischen Körper 5 eingesteckt, und zwar je nach Auswahl, welches Gas angezeigt werden soll. Die beiden Metallschienen sind durch eine galvanische Batterie 6 mit einem Relais 7 verbunden. Durch dieses kann die Anzeigevorrichtung 8, die hier als Klingel dargestellt ist, betätigt werden.An exemplary embodiment is shown in the drawing. It means Fig. = A cover i with openings 2, the section of which is shown in FIG. This cover is placed on a base plate g (Fig. 3). Fig. Q. represents the Section through the device at level C-D. On the base plate in the box there are two metal rails 3 with tabs 4. In these are the catalytic Body 5 inserted, depending on the selection of which gas is to be displayed. The two metal rails are powered by a galvanic battery 6 with a relay 7 connected. This allows the display device 8, shown here as a bell is to be operated.
Die Wirkungsweise der Vorrichtung ist folgende Durch die Einwirkung der Gase, die durch . die Öffnungen 2 in die Vorrichtung dringen, wird der katalytische Körper 5 selbt, z. B. salzsaures Kupferchlorür, derart beeinflußt, daß sich sein eigener elektrischer Widerstand verändert. Hierdurch ist die Batterie 6 in der Lage, das Relais 7 au erregen, wordurch dessen Anker den Stromkreis der Anzeigevorrichtung schließt.The mode of operation of the device is as follows of gases passing through. the openings 2 penetrate into the device, becomes the catalytic one Body 5 itself, e.g. B. hydrochloric acid copper chloride, so influenced that its own electrical resistance changed. As a result, the battery 6 is able to the relay 7 au energize, whereby its armature the circuit of the display device closes.
Um die Vorrichtung wieder betriebsfähig zu machen, wird der verbrauchte Körper 5 durch einen neuen ersetzt. Es wird sich nicht immer sofort erkennen lassen, welcher Körper verbraucht ist. Es werden daher alle Körper entfernt, wodurch die Anzeigevorrichtung ausgeschaltet wird. Indem nun die Körper nacheineinander wieder eingesetzt werden, wird bei Betätigung der Anzeigevorrichtung der verbrauchte Körper sofort erkannt werden.In order to make the device operational again, the used up Body 5 replaced with a new one. It won't always be immediately apparent which body is used up. Therefore all bodies are removed, whereby the Display device is turned off. By now putting the bodies one after the other again are used, when the display device is operated, the used body can be recognized immediately.
Claims (2)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE331670T |
Publications (1)
Publication Number | Publication Date |
---|---|
DE331670C true DE331670C (en) | 1921-01-12 |
Family
ID=6198392
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT331670D Expired DE331670C (en) | Alarm and display device for the occurrence of harmful gases |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE331670C (en) |
-
0
- DE DENDAT331670D patent/DE331670C/en not_active Expired
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