Self-contained and wireless monitoring device for a washing...

Details Self-contained and wireless monitoring device for a washing... Self-contained and wireless monitoring device for a washing...

A - Human Necessities

47

L

A47L 15/42 (2006.01) D06F 39/00 (2006.01)

Patent

CA 2602519

The invention relates to a self-contained and wireless monitoring device (10) for use in a washing machine (1) to indicate shortage of detergent in said washing machine. The monitoring device comprises a sensor (13) arranged to monitor detergent concentration in washing liquid (5) of said washing machine and to provide an alarm signal (A) when said monitored detergent concentration is below a target value. The monitoring device is capable of floating in said washing liquid and comprises signaling means (11) for indicating said shortage of detergent in response to said alarm signal. The invention further relates to a package containing such a monitoring device and a method for indicating shortage of detergent.

L'invention concerne un dispositif de surveillance autonome sans fil (10) pour machine à laver (1) qui indique le défaut de détergent. Le système de surveillance comprend un capteur (13) conçu pour surveiller la concentration de détergent dans l'eau de lavage (5) de la machine à laver et émettre un signal d'alarme (A) lorsque la concentration de détergent détectée est en-dessous d'une valeur cible. Le dispositif de surveillance, qui peut flotter dans l'eau de lavage, comprend des moyens de signalisation (11) permettant d'indiquer le défaut de détergent en réaction audit signal d'alarme. Par ailleurs, l'invention concerne un boîtier contenant ce dispositif de surveillance ainsi qu'un procédé pour indiquer le défaut de détergent.

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