Door-lock device
The present invention relates to a door-lock device ( 100 ) for locking and unlocking a door of a household appliance, such as a washing machine, a dishwasher and the like, comprising a first ( 110 ) and a second ( 120 ) electrical connecting terminal, a closing switch ( 130 ) series connected to said first connecting terminal ( 110 ) or to said second connection terminal ( 120 ), and arranged to close when the door of said household appliance is closed, an actuator ( 140 ), connected to said first ( 110 ) and second ( 120 ) connecting terminals, comprising at least one coil ( 141, 142 ), suitable to generate a magnetic field capable of causing the locking and unlocking of said door, and a Hall sensor ( 151 ) connected between said first ( 110 ) and said second ( 120 ) terminal, arranged in parallel with said actuator ( 140 ), said Hall sensor ( 151 ) being arranged so as to detect said magnetic field of said actuator ( 140 ).
1. A door lock device ( 100 ) for locking and unlocking a door of a household appliance comprising:
a first electrical connecting terminal ( 110 );
a second electrical connecting terminal ( 120 );
an electric circuit connected to at least one of said first connecting terminal ( 110 ) and said second connection terminal ( 120 ) and having a having a closing switch ( 130 ) adapted to close the electric circuit when the door of said household appliance is in a closed position,
an actuator ( 140 ), connected to said first connecting terminal ( 110 ) and second connecting terminal ( 120 ), comprising a first coil and a second coil ( 141 , 142 ) adapted to generate a magnetic field for locking and unlocking of said door, and
a Hall sensor ( 151 ) connected between said first connecting terminal ( 110 ) and said second connecting terminal ( 120 ), arranged in parallel with said actuator ( 140 );
wherein said Hall sensor ( 151 ) is arranged to detect said magnetic field of said actuator ( 140 ).
2. The door-lock device ( 100 ) according to claim 1 , wherein said Hall sensor ( 151 ) comprises three terminals ( 151 ′, 151 ″, 151 ′″), wherein two terminals ( 151 ′, 151 ″) are connected to said first ( 110 ) and second ( 120 ) connecting terminals, while the third terminal ( 151 ′″) is connected, by means of a resistor ( 160 ), to said first connecting terminal ( 110 ).
3. The door-lock device ( 100 ) according to claim 1 , wherein said actuator ( 140 ) is operatively associated to an actuating assembly ( 170 ), wherein the field generated by at least one of said first and second coils ( 141 , 142 ) causes to lock and unlock said The door of said household appliance.
4. The door-lock device ( 100 ) according to claim 3 , wherein said actuating assembly ( 170 ) comprises
an actuating member ( 171 ) pivoted about a fulcrum ( 172 ) to rotate, wherein said actuating member is capable of being in first and second positions ( 142 ), according to the magnetic field generated by at least of said first and second coils ( 141 , 142 ),
a pin ( 173 ) coupled at an end to said actuating member ( 171 ) and such that:
when said actuating member ( 171 ) is in said first position, said pin ( 173 ) is retracted, and
when said actuating member ( 171 ) is in said second position, said pin ( 173 ) is extracted, so as to cause the locking of said The door when it is closed.
5. The door-lock device ( 100 ) according to claim 4 , wherein said actuating member ( 171 ) is “V”-shaped and said fulcrum ( 172 ) is arranged on a vertex of said actuating member ( 171 ).
6. The door-lock device ( 100 ) according to claim 4 , wherein said actuating member ( 171 ) is made of magnetically permeable material.
7. The door-lock device ( 100 ) according to claim 2 , wherein said actuator ( 140 ) is operatively associated to an actuating assembly ( 170 ), wherein the field generated by at least one of said first and second coils ( 141 , 142 ) causes to lock and unlock said The door of said household appliance.
8. The door-lock device ( 100 ) according to claim 1 , wherein said actuator ( 140 ) is operatively associated to an actuating assembly ( 170 ), wherein the field generated by at least of said first and second coils ( 141 , 142 ) causes to lock and unlock said The door of said household appliance.
9. The door-lock device ( 100 ) according to claim 2 , wherein said actuating assembly ( 170 ) comprises
an actuating member ( 171 ) pivoted about a fulcrum ( 172 ) to rotate, wherein said actuating member is capable of being in first and second positions ( 142 ), according to the magnetic field generated by at least of said first and second coils ( 141 , 142 ),
a pin ( 173 ) coupled at an end to said actuating member ( 171 ) such that:
when said actuating member ( 171 ) is in said first position, said pin ( 173 ) is retracted, and
when said actuating member ( 171 ) is in said second position, said pin ( 173 ) is extracted, so as to cause the locking of said The door when it is closed.
10. The door-lock device ( 100 ) according to claim 1 , wherein said actuating assembly ( 170 ) comprises
an actuating member ( 171 ) pivoted about a fulcrum ( 172 ) to rotate, wherein said actuating member is capable of being in first and second positions ( 142 ), according to the magnetic field generated by at least of said first and second coils ( 141 , 142 ),
a pin ( 173 ) coupled at an end to said actuating member ( 171 ) and such that:
when said actuating member ( 171 ) is in said first position, said pin ( 173 ) is retracted, and
when said actuating member ( 171 ) is in said second position, said pin ( 173 ) is extracted, so as to cause the locking of said The door when it is closed.
11. The door-lock device ( 100 ) according to claim 3 , wherein said actuating assembly ( 170 ) comprises
an actuating member ( 171 ) pivoted about a fulcrum ( 172 ) to rotate, wherein said actuating member is capable being in first and second positions ( 142 ), according to the magnetic field generated by at least one of said first and second coils ( 141 , 142 ),
a pin ( 173 ) coupled at an end to said actuating member ( 171 ) such that:
when said actuating member ( 171 ) is in said first position, said pin ( 173 ) is retracted, and
when said actuating member ( 171 ) is in said second position, said pin ( 173 ) is extracted, so as to cause the locking of said The door when it is closed.
12. The door-lock device ( 100 ) according to claim 4 , wherein said actuating member ( 171 ) is “V”-shaped.
13. The door-lock device ( 100 ) according to claim 3 , wherein said actuating member ( 171 ) is “V”-shaped.
14. The door-lock device ( 100 ) according to claim 13 , wherein said actuating member ( 171 ) pivoted about a fulcrum ( 172 ) to rotate; wherein said fulcrum ( 172 ) is arranged on a vertex of said actuating member ( 171 ).
15. The door-lock device ( 100 ) according to claim 12 , wherein said fulcrum ( 172 ) is arranged on a vertex of said actuating member ( 171 ).
16. The door-lock device ( 100 ) according to claim 5 , wherein said actuating member ( 171 ) is made of magnetically permeable material.