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4results about How to "Disconnect in time" patented technology

A power supply device, power supply system and vehicle

ActiveCN224276862Uimprove securityIncreased Safety Integrity LevelElectric devicesControl engineeringAutomobile safety
This utility model provides a power supply device, a power supply system, and a vehicle, relating to the field of vehicle safety power supply technology. The power supply device includes a domain controller, a switch controller, a first power supply circuit, and a second power supply circuit. The domain controller is signal-connected to a first electronic fuse; the switch controller is signal-connected to a second electronic fuse; the first terminal of the first power supply circuit is configured to be connected to a first power source, and the output terminal of the first power supply circuit is connected to the first terminal of a load via the first electronic fuse; the first terminal of the second power supply circuit is configured to be connected to a second power source, and the second terminal of the second power supply circuit is connected to the second terminal of the first power supply circuit; the output terminal of the second power supply circuit is configured to be connected to the second terminal of the load via the second electronic fuse. The load can be powered by the first power supply circuit and the second power supply circuit respectively, thereby improving the safety of power supply and enhancing the vehicle's safety integrity level.
Owner:STARRY SKY PLAN (SHANGHAI) AUTOMOBILE TECHNOLOGY CO LTD

Detection structure, air duct assembly, fan and detection method

The application relates to a detection structure, an air duct assembly, a fan and a detection method, and relates to the technical field of household appliances, and is used for solving the problem that a user is at risk of electric shock when disassembling the fan. The detection structure comprises a detection assembly arranged on an air duct of the fan and a first moving assembly arranged on the air duct and corresponding to the detection assembly; wherein when a front net of the air duct is installed on the air duct, one end of the first moving assembly is in contact with the front net, the other end of the first moving assembly is abutted on the detection assembly, and the detection assembly is pressed to send a first signal; when the front net is disassembled from the air duct, the first moving assembly moves towards the front net by a preset distance, so that the detection assembly is not pressed, and at this time, the detection assembly stops sending the first signal. In the application, the user can judge the current installation condition of the front net by judging whether the detection assembly sends the first signal. In this way, the power supply of the fan can be timely disconnected when the user judges the disassembly of the front net.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI