2results about How to "Appropriate speed" patented technology

The utility model relates to a static contact structure of a medium-voltage ring main unit circuit breaker, which comprises a base and a static contact plate which are integrally formed, the base is of a cuboid structure, a screw mounting hole used for connecting a static end of the circuit breaker is arranged on the base, the base is arranged at the lower part of the static contact plate, and a groove for accommodating the static contact plate is arranged on the side wall of the base. A groove is formed in the base, the static contact plate is arranged in the groove, the end faces of the two sides of the static contact plate are two vertically-arranged contact planes, the contact planes are trapezoidal, the side, close to the base, of each contact plane is provided with a contact edge arc-shaped chamfer, and the contact edge arc-shaped chamfers of the two contact planes are matched to form a transition guide part facilitating contact between the moving contact and the contact planes; the static contact structure ensures enough contact area with the moving contact, reduces contact resistance, reduces heating, improves conductivity and breaking capacity, ensures proper contact pressure between the static contact structure and the moving contact, enables the static contact structure and the moving contact to be tightly contacted, prevents poor contact, and is easy to disassemble and replace.

The application relates to the technical field of vehicles, in particular to a following vehicle reminding method and device, a vehicle and a medium, wherein the following vehicle reminding method comprises the following steps: acquiring sensing data of a current vehicle; determining whether a followed vehicle exceeds the sensing range of the current vehicle according to the sensing data; if the followed vehicle exceeds the sensing range of the current vehicle, establishing a communication connection between the current vehicle and the followed vehicle, acquiring synchronization information of the followed vehicle; and reminding following based on the synchronization information and the position of the current vehicle. Therefore, the problems that the prior art is limited by the sensor detection range, is only applicable to short-term reminding and control in the starting stage or low-speed driving, and lacks comprehensiveness and intelligence are solved.