Protective device of intelligent power distribution photovoltaic direct current power distribution cabinet

Abstract

The invention discloses a protective device of an intelligent power distribution photovoltaic direct current power distribution cabinet, wherein the protective device comprises a protection box and a power distribution cabinet body; a threaded rod is rotatably connected to the interior of one end of the protection box through a bearing, threaded sleeves are in threaded connection to the surface of the threaded rod, and first hinge rods are hinged to the surfaces of the threaded sleeves through hinge seats; and a first clamping plate is hinged to the ends, away from the threaded sleeves, of the first hinge rods through hinge seats. By rotating the threaded rod, the directions of threads at the two ends of the threaded rod are opposite, so that the threaded rod can drive the two threaded sleeves to get close to each other or get away from each other, and when the two threaded sleeves get close to each other, the threaded sleeves drive the first hinge rods to be hinged, and the first hinge rods push the first clamping plate to move towards one end of a second clamping plate; therefore, the first clamping plate is matched with the second clamping plate to clamp the power distribution cabinet body in the protection box, and adjustment can be carried out according to the size of the power distribution cabinet body.

Description

technical field [0001] The invention relates to the technical field of protection for an intelligent power distribution photovoltaic DC power distribution cabinet, in particular to a protection device for an intelligent power distribution photovoltaic DC power distribution cabinet. Background technique [0002] The intelligent power distribution PV DC power distribution cabinet is mainly used in large-scale photovoltaic power plants to connect photovoltaic combiner boxes and photovoltaic inverters, provide lightning protection and overcurrent protection, and monitor the single-string current, voltage and lightning protection device status of the photovoltaic array. , Circuit breaker status, combine the photovoltaic module power output from the combiner box again and connect it to the grid-connected inverter. [0003] However, when the existing technology is actually used, the existing intelligent power distribution photovoltaic DC power distribution cabinets are generally no...

AI Technical Summary

Problems solved by technology

[0003] However, when the existing technology is actually used, the existing intelligent power distribution photovoltaic DC power distribution cabinets are generally not equipped with protective devices, and a few of them are equipped with protective devices, and the protective devices are produced corresponding to the size of the intelligent power distribution photovoltaic DC power distribution cabinets. , cannot be adjusted according to the size of the intelligent power distribution photovoltaic DC power distribution cabinet, and the practicability is low

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