Vehicle-mounted high-reliability reinforced Ethernet switch

Abstract

The invention relates to a vehicle-mounted high-reliability reinforced Ethernet switch which comprises a machine case, a bus backplane, an electrical connector board, a switchboard and a power module.The bus backplane is used for convergence and switchover of network interface signals, indicator lights and power supplies. The bus backplane is fixed to the inside of the switch machine case througha metal structure beam, and the electrical connector board is fixed to the rear panel of the chassis by screws, and the electrical connector board is fixed on a machine case rear panel through a screw, and the electrical connector board and the bus backplane are inserted together through a printed board connector, to achieve the input of an external signal. The electrical connector board is provided with a debugging serial connector and no more than 24 aviation connectors; the power module and the switchboard are standard industrial 6U insertion boards and are inserted in a CPCI connector ofthe bus backplane, an indicator light signal of the bus backplane is led out to a connector through a wire, and the connector is inserted on an indicator light board; the indicator light board can indicate working states of no more than 24 network interfaces and a system and a power supply working state.

Description

technical field [0001] The invention relates to the field of Ethernet switches. Specifically, it is a vehicle-mounted high-reliability reinforced Ethernet switch. Background technique [0002] At present, ordinary commercial Ethernet switches use RJ45 connectors, and the internal switching board of the switch is generally fixed on the casing by screws, and the power supply system is powered by ordinary 220v AC power supply. In the industrial and military fields, aviation connectors are often used instead of RJ45 connectors to improve the reliability of the connection, and each aviation connector is connected to the switching board by welding wires. [0003] However, current Ethernet switches have the following deficiencies: [0004] 1) The power supply system of a commercial switch or an ordinary reinforced switch does not meet the DC power supply requirements in the vehicle environment, and the performance of the power supply such as anti-electromagnetic interference and ...

AI Technical Summary

Problems solved by technology

[0004] 1) The power supply system of a commercial switch or an ordinary reinforced switch does not meet the DC power supply requirements in the vehicle environment, and the performance of the power supply such as anti-electromagnetic interference and anti-voltage overshoot is average, and the reliability is not high;

[0005] 2) Traditional reinforced switches need to use more aviation connectors, so a large number of wires need to be welded to connect with the switch board. In a high-vibration environment, the probability of connection failure increases. At the same time, the wires need to occupy a certain space, so the appearance of the switch is increased. size;

[0006] 3) The installation method of traditional hardened switches has poor heat dissipation performance, so it is difficult to improve performance;

[0007] 4) The internal module hardware of the traditional hardened switch cannot be expanded or upgraded, and it is not easy to disassemble and repair

Images