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The present invention refers to a refrigerator door child lock system that can distinguish between a child's hand and an adult hand. The refrigerator child lock system according to the present invention preferably comprises of a microcontroller unit (MCU (1)) and a latching mechanism. The latching mechanism is configured for opening the refrigerator door based on signal received from the MCU (1). The system further includes a plurality of elastic balloons (4) with air duct (5), a constant voltage source (3) and a conductive contact (2) connected to the constant voltage source (3). The elastic balloon (4) is configured to lift the conductive contact (2) by the air filled inside the elastic balloon (4) thereby the conductive plate sends '0' voltage to the MCU (1). The elastic balloon (4) is configured to un-lift the conductive contact (2) when the air is released from the elastic balloon (4), thereby the conductive plate sends 'constant' voltage to the MCU (1). The MCU (1) is configured to send the signal to open the latching mechanism as soon as the MCU (1) reads the constant voltage from the conductive contact (2).
The present invention refers to a refrigerator door child lock system that can distinguish between a child's hand and an adult hand. The refrigerator child lock system according to the present invention preferably comprises of a microcontroller unit (MCU (1)) and a latching mechanism. The latching mechanism is configured for opening the refrigerator door based on signal received from the MCU (1). The system further includes a plurality of elastic balloons (4) with air duct (5), a constant voltage source (3) and a conductive contact (2) connected to the constant voltage source (3). The elastic balloon (4) is configured to lift the conductive contact (2) by the air filled inside the elastic balloon (4) thereby the conductive plate sends '0' voltage to the MCU (1). The elastic balloon (4) is configured to un-lift the conductive contact (2) when the air is released from the elastic balloon (4), thereby the conductive plate sends 'constant' voltage to the MCU (1). The MCU (1) is configured to send the signal to open the latching mechanism as soon as the MCU (1) reads the constant voltage from the conductive contact (2).
ADAPTIVE REFRIGERATOR CHILD LOCK SYSTEM
ADAPTIVES KÜHLSCHRANKKINDERSICHERUNGSSYSTEM
SYSTÈME DE FERMETURE DE SÉCURITÉ ENFANT D'UN RÉFRIGÉRATEUR ADAPTATIF
AK YUSUF (Autor:in)
02.09.2020
Patent
Elektronische Ressource
Englisch
IPC:
E05B
LOCKS
,
Schlösser
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