(19)
(11) EP 2 749 818 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
12.10.2016 Bulletin 2016/41

(43) Date of publication A2:
02.07.2014 Bulletin 2014/27

(21) Application number: 13198067.4

(22) Date of filing: 18.12.2013
(51) International Patent Classification (IPC): 
F24C 15/20(2006.01)
G08B 5/36(2006.01)
 G08B 21/16(2006.01)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 26.12.2012 CN 201210571800

(71) Applicant: BSH Hausgeräte GmbH
81739 München (DE)

(72) Inventors:
  • Liang, Ping
    210000 Nanjing city (CN)
  • Wang, Bing
    210000 Nanjing (CN)
  • Wang, Hui
    210037 Nanjing (CN)

   


(54) Range hood and control method thereof


(57) Disclosed is a range hood (1) and a control method thereof. The range hood includes gas detection means (10) for detecting gas concentrations, and further includes: gas indication means (20) and control means, wherein the control means is used for controlling the gas indication means to display corresponding colors and/or brightness and/or images according to gas concentrations information detected by the gas detection means. Thus, users can know current gas concentrations by observing the colors and/or brightness and/or images displayed by the gas indication means, to prevent occurrence of fire accidents, and can infer the cooking state, to bring convenience to cooking of the users. Meanwhile, the gas indication means also plays a decoration role.







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