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Washing machine door lock detection structure and method

The invention discloses a washing machine door lock detection structure and relates to the technical field of washing machines. The structure comprises a control panel base, an upper cover, a door lock and a controller, a spring bolt of the door lock is arranged on the control panel base, and a lock hole of the door lock is formed in the upper cover; the spring bolt stretches out or retracts backunder control of the controller, the structure further comprises a detection switch, and when the upper cover is not closed in place, the spring bolt is not blocked and completely stretches out, and the detection switch sends an upper cover non-locking signal to the controller at this moment; when the upper cover is closed in place, the spring bolt is blocked by the lock hole and partially stretches into the lock hole, and the detection switch sends an upper cover locking signal to the control at this moment. The invention further discloses a washing machine door lock detection method. According to the washing machine door lock detection structure, the stretching state of the spring bolt is detected through the detection switch, whether or not the upper cover is truly closed is accuratelyjudged according to the difference of the stretching length of the spring bolt, the washing machine safety problem caused by inaccurate detection signals in the process of locking the upper cover of an existing door lock is avoided, and the safe usability of the washing machine is improved.
Owner:QINGDAO JIAONAN HAIER WASHING MACHINE +1

Intelligent card hardware firewall system and realizing method thereof

The invention relates to an intelligent card hardware firewall system and a realizing method thereof. The system comprises a storage logic subsection management module, a storage space assess authorization control module and a logic circuit module. The storage logic subsection management module is used for dividing a storage into one or a plurality of storage sections which are independent in logic, subsection management is achieved according to storage space, and each storage section stores program codes or data files with independent logical relationship. The storage space assess authorization control module is used for setting access authorization between a program code storage section and a data file storage section. The logic circuit module is used for receiving an address access signal and judging whether the address access signal is valid according to the program code section currently running and the access authorization set by the storage space assess authorization control module. According to the intelligent card hardware firewall system and the realizing method thereof, logic subsection management and space access control are achieved on a storage, so that safe coexisting of a plurality of applications on the same intelligent card is achieved, the hidden danger that an invalid program modifies an access zone and authorization of an application program through an operating system is avoided, and safety of the intelligent card is guaranteed.
Owner:NATIONZ TECH INC

Software updating system and method for vehicle-mounted electronic device

The invention discloses a software updating system and method for a vehicle-mounted electronic device. The system comprises a vehicle-mounted intelligent terminal, a remote server and an updating device. The vehicle-mounted intelligent terminal is used for obtaining an identifier code of the updating device when the updating device is connected to a vehicle diagnosis interface, sending the identifier code of the updating device to the remote server, receiving a judgment result sent by the remote server, generating and sending a first control instruction to the updating device when a judgment result is legal, and generating and sending a second control instruction to the updating device when the judgment result is illegal; the remote server is used for judging whether the identifier code of the updating device is legal or not and sending a judgment result to the vehicle-mounted intelligent terminal; and the updating device is used for updating software of at least one vehicle-mounted electronic device according to the first control instruction or stopping working according to the second control instruction. According to the system provided by an embodiment of the invention, a user can be prevented from using the illegal updating device privately, thereby ensuring travel safety.
Owner:BYD CO LTD

Twin-rudder system for large ship

InactiveUS20040163579A1Shorten the stopping distanceShorten speedSteering ruddersRotary propellersLeading edgeDescent direction
In such a high lift twin-rudder system that: a pair of high lift rudders 1, 2 is arranged behind a single propeller 3; the respective high lift rudder 1, 2 has a top end plate 6, 7 and a bottom end plate 8, 9 at the top end and the bottom of a rudder blade 4, 5; the respective rudder blade 4, 5 is provided with a reaction fin 10, 11, protruding from an inboard face of the rudder blade 4, 5 on a nearly same level with the axis of the propeller 3, that is originated nearly from the leading edge portion toward the rear and has a fixed chord length; the reaction fin 10 of the rudder blade 4 that faces on the board-side where the propeller blades rotate in the ascending direction assumes a posture that makes such attack angle that the ratio of a forward vectored thrust to a drag, both produced by a propeller slip stream having a stream component in the ascending direction, becomes maximum; and the reaction fin 11 of the rudder blade 5 that faces on the board-side where the propeller blades rotate in the descending direction assumes a posture that makes such attack angle that the ratio of a forward vectored thrust to a drag, both produced by a propeller slip stream having a stream component in the descending direction, becomes maximum, the respective rudder blade 4, 5 is so constituted that a chord length is of 60~45% of a propeller diameter.
Owner:JAPAN HAMWORTHY
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