Three-pin power supply protection seat for a high-speed railway locomotive

Abstract

The invention discloses a three-pin power supply protection seat for a high-speed railway locomotive. The protection seat comprises a base, a cover plate arranged on the base, three jacks formed on the cover plate, a plug core which is arranged on the base and can be electrically connected with a three-pin plug after the three-pin plug is inserted into the three-pin jack, a first protection assembly used for preventing foreign matters from entering the three jacks, a second protection assembly used for preventing a plugging core and the foreign matter from forming a conduction circuit after the foreign matter is inserted into a single hole or double holes in the three jacks, a third protection assembly used for preventing the plugging core and the foreign matter from forming a conduction circuit after the foreign matter is inserted into the three jacks in the three jacks. The protection seat is advantaged in that three groups of protection assemblies are adopted for joint protection, the possibility of electric shock caused by entry of the foreign matter into the jacks is reduced, safety is high, moreover, plugging of the plug is not excessively affected, and plugging is simple, convenient and labor-saving.

Description

technical field [0001] The invention belongs to the technical field of high-speed railway equipment, and in particular relates to a three-plug power supply protective seat for high-speed railway rolling stock. Background technique [0002] In order to facilitate people's daily life, a three-plug socket is installed on each seat on the high-speed railway rolling stock to provide charging services for passengers. Although there are certain protective measures in the existing three-plug socket, they usually adopt dislocation processing, the insertion and extraction of the plug are relatively laborious, and the practicability is poor. Moreover, the safety protection performance of this kind of protection is still relatively poor. If some children insert conductive foreign objects into the socket, there will be potential safety hazards such as electric shock or socket short circuit, and the safety factor is low. Contents of the invention [0003] In order to overcome the defic...

AI Technical Summary

Problems solved by technology

Although the existing three-plug socket has certain protective measures, it usually adopts dislocation processing, the insertion and removal of the plug is laborious, and the practicability is poor

Moreover, the safety protection performance of this kind of protection is still poor. If some children insert conductive foreign objects into the socket, there will be potential safety hazards such as electric shock or socket short circuit, and the safety factor is low.

Images