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1. 发明申请

WO2022200927A1 WASHING MACHINE WITH LINEN MASS DETERMINATION 审中-公开
公开(公告)号：WO2022200927A1
公开(公告)日：2022-09-29
申请号：PCT/IB2022/052380
申请日：2022-03-16
申请人： CANDY S.P.A.
发明人： ACRI, Antonio , GRAZIOTTIN, Fabio , DUGO, Massimo , MALACRIDA, Alessandro
IPC分类号： D06F34/18 , D06F103/04 , D06F103/46 , D06F34/28 , D06F58/48
摘要： A method for determining a linen mass (M) through a washing machine (1) or dryer, with an electric motor (14) connected with a linen drum (5) for containing the linen, comprises: A) performing a first sequence of consecutive inrush steps, each inrush step comprising: - actuating a motor (14) of the washing machine (1) to accelerate the linen drum in rotation from an initial speed (v_nit) equal to zero to a maximum predetermined speed (v_max), with a predetermined acceleration (STP_1), - upon reaching the maximum predetermined speed (v max), slowing down the motor so as to make the linen drum (5) decelerate until reaching the initial speed (v_nit) again, which is equal to zero, - in a detection time interval during the acceleration of the linen drum in rotation from the initial speed (v_nit) equal to zero up to the predetermined maximum speed (v_max), detecting the inrush current (I_inrush) absorbed by the electric motor (14), the rotation speed (v) of the electric motor (14), and the time (t) (STP_2), B) calculating for each individual inrush step a rotational power parameter (P) generated by the electric motor (14) depending on the inrush current (I_inrush) (STP_3), C) calculating for the entire first sequence of consecutive inrush steps an average value (P_avg) of the rotational power parameters (P) calculated for the individual inrush steps (STP_5), D) determining the mass (M) of the linen in the linen drum (5) depending on the average value (P_avg) of the rotational power parameters (P) and predetermined parameters (P_0, A) characterizing the washing machine (1) (STP_13).

2. 发明申请

WO2022200928A1 WASHING MACHINE WITH LINEN MASS DETERMINATION 审中-公开
公开(公告)号：WO2022200928A1
公开(公告)日：2022-09-29
申请号：PCT/IB2022/052382
申请日：2022-03-16
申请人： CANDY S.P.A.
发明人： ACRI, Antonio , GRAZIOTTIN, Fabio , DUGO, Massimo , MALACRIDA, Alessandro
IPC分类号： D06F33/37 , D06F101/04 , D06F105/42 , D06F105/50
摘要： A washing machine (1) comprises a linen drum (5) for containing the linen to be washed, an electric motor (14) connected to the linen drum (5) to rotate the linen drum (5) about the rotation axis (R-R), a linen treatment system to perform, on the linen inside the linen drum (5), one or more treatment steps which are different from the rotation of the linen drum (5), an electronic control system (16) in signal connection with the electric motor (14), with the treatment system and with a user interface (17) for the selection of a treatment program from a plurality of treatment programs, the electronic control system (16) comprising a module (26) for determining the mass (M) of the linen contained linen drum (5), the user interface (17) allows the entry of a command for determining the linen mass without performing the washing steps, and, in response to the entry of the command for determining the mass the program electronic control system (16) performs a procedure for determining the mass (M) of the linen contained in the linen drum and generates, by means of the user interface (17), a notification containing said suggestion for quantity and/or type of detergent.

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