2947results about How to "Reduce collision" patented technology

The invention provides a locking device and an electric automobile. The locking device comprises lock bases, a lock connecting rod and lock shafts, wherein each lock base is used for providing a point to be locked and comprises a lock body; a lock groove which is concave toward the inner part of the corresponding lock body is arranged on one face of the corresponding lock body; each lock body is internally provided with a lock tongue groove and a lock tongue which is movably mounted in the lock tongue groove; the lock tongue grooves are communicated with the lock grooves; the lock connecting rod is movably connected with the lock bases through the lock tongues and comprises a rod part; the rod part drives the lock tongues to move in the lock tongue grooves under the action of an external force; each lock shaft comprises a shaft seat and a shaft rod; and the shaft rods are vertically arranged on the surfaces of the shaft seats, and the shaft rods are inserted into the lock grooves of the lock bases and are used for locking. According to the locking device and the electric automobile, the plurality of lock shafts, which are distributed at a side edge of a battery, are utilized and are inserted into the plurality of lock bases located on the electric automobile, so that the battery is fixed on the electric automobile; and the plurality of lock shafts can be automatically locked by the lock bases at the same time through utilizing the movement of the lock connecting rod, so that the installation efficiency and detachment efficiency of the battery are greatly improved.

A digital device 310 with a plurality of collocated wireless networks encounters inter-network interference if the collocated wireless networks operate in a common operating frequency. A coordinator unit 510, coupled to the plurality of wireless networks, provides a transmission reservation system wherein a wireless network with a need to transmit can request and receive a reservation for time to transmit. The coordinator unit 510 provides a way to schedule transmissions from the plurality of wireless networks and to reduce the probability of collisions.