DE499074C - Explosion-proof electric rod lamp - Google Patents
Explosion-proof electric rod lampInfo
- Publication number
- DE499074C DE499074C DEB141119D DEB0141119D DE499074C DE 499074 C DE499074 C DE 499074C DE B141119 D DEB141119 D DE B141119D DE B0141119 D DEB0141119 D DE B0141119D DE 499074 C DE499074 C DE 499074C
- Authority
- DE
- Germany
- Prior art keywords
- explosion
- compressed air
- lamp
- proof electric
- electric rod
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V25/00—Safety devices structurally associated with lighting devices
- F21V25/12—Flameproof or explosion-proof arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V25/00—Safety devices structurally associated with lighting devices
- F21V25/02—Safety devices structurally associated with lighting devices coming into action when lighting device is disturbed, dismounted, or broken
- F21V25/04—Safety devices structurally associated with lighting devices coming into action when lighting device is disturbed, dismounted, or broken breaking the electric circuit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V25/00—Safety devices structurally associated with lighting devices
- F21V25/02—Safety devices structurally associated with lighting devices coming into action when lighting device is disturbed, dismounted, or broken
- F21V25/06—Safety devices structurally associated with lighting devices coming into action when lighting device is disturbed, dismounted, or broken feeding a quenching fluid to the light source
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Description
Explosionssichere elektrische Stangenlampe Die Erfindung bezieht sich auf eine elektrische Sicherheitsstangenlampe mit Dmckluftkamrnern, die besonders zum Ausleuchten von mit explosiblen Gasen oder Flüssigkeiten gefüllten Räumen und Behältern dient und Gewähr dafür bietet, daß selbst bei Erdschluß eine Explosionsgefahr durch Überspringen eines Kontaktfunkens mit Sicherheit vermieden wird.Explosion Proof Electric Pole Lamp The invention relates to on an electric safety rod lamp with pressure air chambers, which are especially for illuminating rooms filled with explosive gases or liquids and Containers and provides a guarantee that there is a risk of explosion even in the event of a ground fault is definitely avoided by skipping a contact spark.
Solche Lampen wurden seither vielfach auf ihrer äußeren Oberfläche vollkommen mit Isoliermaterial umgeben. Hierbei zeigte sich aber der Mangel, daß das Isoliermaterial leicht abgestoßen werden konnte, wodurch die stromführenden Teile freigelegt wurden, so daß dadurch eine Sicherheit nicht gegeben war.Such lamps have since been widely used on their outer surface completely surrounded by insulating material. Here, however, showed the shortcoming that the insulating material could easily be repelled, reducing the current-carrying Parts were exposed, so that there was no security.
Vorteilhafter war es daher, .das sämtliche stromführenden Teile aufnehmende, aus Isoliermaterial bestehende Gehäuse, wie es bei gewöhnlichen Handlampen bereits bekannt war, gegen mechanische Zerstörungen durch widerstandsfähiges Material beliebiger Art, beispielsweise Eisen o. dgl., das dann den eigentlichen Lampenkörper bildet, zu schützen.It was therefore more advantageous. Housing made of insulating material, as is already the case with ordinary hand lamps was known against mechanical destruction by any resistant material Kind, for example iron or the like, which then forms the actual lamp body, to protect.
Hierdurch wird erreicht, daß eine Beschädigung des Isoliermaterials nicht eintreten kann,-wodurch die Bildung von gefährlichen Kontaktfunken mit Sicherheit vermieden wird.This ensures that the insulating material is damaged cannot occur, which means the formation of dangerous contact sparks with certainty is avoided.
Erfindungsgemäß wird nun die Stößen besonders ausgesetzte, die Druckluftkammern verbindende Stange von einem vorzugsweise ausMetall bestehendenMantelrohre und .einem konaxial in diesem verlaufenden und durch zylinderförmigen Zwischenraum von ihm getrennten Isolierrohre gebildet. Es wird dadurch erreicht, daß das Isolierrohr nicht zerspringt, selbst wenn das Mantelrohr infolge harter Stöße ein.geibeult wird.According to the invention, the impacts are now particularly exposed, the compressed air chambers connecting rod of a jacket tube, preferably made of metal, and a running conaxially in this and through a cylindrical space between it formed separate insulating tubes. It is achieved in that the insulating tube does not shatter, even if the jacket pipe is dented as a result of hard impacts.
Auf :der Zeichnung ist ein Ausführungsbeispiel des Erfindungsgegenstandes dargestellt. Abb. r ist ein Längsschnitt, und Abb. a zeigt den wesentlichsten Teil der Isolierung ohne Lampenkörper.On: the drawing is an embodiment of the subject matter of the invention shown. Fig. R is a longitudinal section, and Fig. A shows the most essential part the insulation without the lamp body.
Die Lampe ist als sogen.annte Stangenlampe ausgebildet, deren Stromkreis durch einen Druckluftschalter geschlossen bzw. unterbrochen wird. Sie besteht im wesentlichen aus einer Druckluftkammer a und einer Druckluftkammer b, die durch Bohrungen c, d und .ein Rohr e luftleitend miteinander verbunden sind. Bei etwaigem Bruch der Schutzglocke f strömt die im Innern des Lampenkörpers befindliche Preßluft aus, so daß der Stromkreis augenblicklich unterbrochen wird und explosible Gase vom Glühfaden der Lampe g ferngehalten werden. Die Druckluftkammern a, b werden durch die aus Isoliermaterial bestehenden Gehäuse 1a, i gebildet, die - von widerstandsfähigem Material, beispielsweise Eisen, Messing o. dgl., umgeben sind, welch letzteres den eigentlichenLampenkörper bildet. Die zum Schutz der Kontakte 1, m und zur Einführung des Kabels ii dienende Kappe o ist auf ihrer Innenfläche ebenfalls vollkommen mit Isoliermaterial p bedeckt.The lamp is designed as a so-called rod lamp, the circuit of which is closed or interrupted by a compressed air switch. It essentially consists of a compressed air chamber a and a compressed air chamber b, which are connected to one another in an air-conducting manner through bores c, d and .ein tube e. If the protective bell f breaks, the compressed air located inside the lamp body flows out, so that the circuit is instantly interrupted and explosive gases are kept away from the filament of the lamp g. The compressed air chambers a, b are formed by the housing 1a, i made of insulating material, which - are surrounded by resistant material, for example iron, brass or the like, the latter forming the actual lamp body. The cap o serving to protect the contacts 1, m and to insert the cable ii is also completely covered on its inner surface with insulating material p.
Erfindungsgemäß werden nun die beiden Druckluftkammern a, b von einem vorzugsweise aus Metall bestehenden Mantelrohre e und einem konaxial in diesem verlaufenden und durch zylinderförmigen Zwischenraum von ihm getrennten Isolierrohre k gebildet. Durch diese besonders vorteilhafte Anordnung des Isoliermaterials im Innern des Lampenkörpers ist eine feste Verbindung sämtlicher Lampenkörperteile untereinander gegeben, so daß :eine nach der Erfindung ausgebildete Lampe den größten Anforderungen gerecht wird und mit Vorteil beispielsweise zum Ausleuchten von Tankschiffen verwendet werden kann, ohne befürchten zu müssen, daß der Lampenkörper oder die Isolierung der stromführenden Teile derart beschädigt werden kann, .daß dadurch ein explosiblen Gasen oder Flüssigkeiten schädlicher Kontaktfunke entstehen könnte.According to the invention, the two compressed air chambers a, b are now formed by a casing tube e, which is preferably made of metal, and an insulating tube k running conaxially in this and separated from it by a cylindrical gap. This particularly advantageous arrangement of the insulating material inside the lamp body ensures that all lamp body parts are firmly connected to one another, so that: a lamp designed according to the invention meets the greatest requirements and can advantageously be used, for example, to illuminate tankers without fear that the lamp body or the insulation of the current-carrying parts can be damaged in such a way, .that an explosive gases or liquids harmful contact spark could arise.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEB141119D DE499074C (en) | Explosion-proof electric rod lamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEB141119D DE499074C (en) | Explosion-proof electric rod lamp |
Publications (1)
Publication Number | Publication Date |
---|---|
DE499074C true DE499074C (en) | 1930-06-02 |
Family
ID=7000032
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEB141119D Expired DE499074C (en) | Explosion-proof electric rod lamp |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE499074C (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE750337C (en) * | 1937-03-18 | 1945-01-05 | Encapsulated high-voltage switchgear | |
DE2918188A1 (en) * | 1979-05-04 | 1980-11-06 | Dashglow Ltd | ELECTRIC LAMP WITH PROTECTIVE FITTING |
-
0
- DE DEB141119D patent/DE499074C/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE750337C (en) * | 1937-03-18 | 1945-01-05 | Encapsulated high-voltage switchgear | |
DE2918188A1 (en) * | 1979-05-04 | 1980-11-06 | Dashglow Ltd | ELECTRIC LAMP WITH PROTECTIVE FITTING |
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