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    • 77. 发明申请
    • EXPLOSION-PROOF ARRANGEMENT
    • US20210308509A1
    • 2021-10-07
    • US17268259
    • 2019-08-07
    • R. STAHL SCHALTGERÄTE GMBH
    • Clife HERMANOWSKIThorsten ARNHOLD
    • A62C4/00F25D23/06H05K7/20
    • The invention relates to an explosion-proof arrangement (10) having an explosion-proof housing (11) which encloses a housing interior (13) and which is designed with the pressure-resistant encapsulation type of flame-proof protection. The housing interior (13) is subdivided into a first subregion (16) and a second subregion (17) by an intermediate wall (15) in such a way that the two subregions (16, 17) are explosion-proof relative to one another and consequently each subregion (16, 17) provides the pressure-resistant encapsulation type of flame-proof protection. At least one outer wall section (12a) of an outer wall (12) of the housing (11) is designed in a flame-proof and gas-permeable manner and allows gas exchange between the second subregion (17) and the surrounding area (14). A refrigeration machine (22) is arranged in the housing interior (13), wherein the evaporator (27) is located in the first subregion (16) and the condenser (24) is located in the second subregion (17). Heat from at least one electrical and/or electronic device (21) or another heat source in the first subregion (16) can therefore be dissipated into the second subregion (17) and from there to the surrounding area (14). This measure can prevent hotspots, which can ignite the explosion-hazard atmosphere in the surrounding area (14), from forming locally.