A stable low-voltage drawer cabinet

By introducing automated control and monitoring functions into low-voltage drawer cabinets, improving short-circuit protection capabilities, enhancing cabinet structural stability, improving electrical connection and insulation protection, optimizing heat dissipation and ventilation design, and standardizing cable wiring, the existing low-voltage drawer cabinets have insufficient automation control and monitoring functions, weak short-circuit protection capabilities, simple structure, low safety, general electrical connection performance, unreasonable heat dissipation and ventilation design, and chaotic wiring are achieved, and a higher level of intelligence, stronger protection capabilities, more stable structure, higher safety and longer service life are achieved.

CN119482020BActive Publication Date: 2025-04-29HUAGUI ELECTRIC CO LTD
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Patent Information

Application Number
CN202411979313.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-04-29
Estimated Expiration
2044-12-31

AI Technical Summary

Technical Problem

The existing low-voltage drawer cabinets have weak automatic control and monitoring functions during use, lack timely monitoring of stable current and short-circuit current, insufficient short-circuit protection capability, simple cabinet structure, not safe and reliable enough, general electrical conductivity of electrical connection materials, insufficient bus insulation protection, unreasonable heat dissipation and ventilation design, chaotic wiring, affecting maintenance and management.

Method used

A stable low-voltage drawer cabinet is designed, including a drawer cabinet frame, drawer panel, drawer guide rail, drawer base plate, inlet terminal strip, circuit breaker, control relay, voltage regulator, outlet terminal strip, wire groove plate, drawer component unit, arc cover, ventilation hole, cover plate, long hole and convex bridge. Automatic control and monitoring is achieved through the connection between the control relay and the programming logic controller; the thermal stability and dynamic stability verification formula and short-circuit current representation formula of the voltage regulator are improved to improve the short-circuit protection ability; the support beam and fixed angle code ring are added to enhance the structural strength of the cabinet; the door lock core and door lock buckle are set on the drawer panel to improve safety; the main busbar and branch busbar made of copper or aluminum rows are set, and an insulating sleeve is set on the outer surface to improve conductivity and safety; the winding density and contact area of ​​the conductor are increased through the design of the upper and lower hooks; the arc-shaped cover and ventilation holes are set on the back of the drawer component unit to improve heat dissipation effect; the long holes and convex bridges are set on the cabinet to enhance ventilation performance; the wire trough plate is set on the outlet terminal row, and the wire trough side plates and wire trough holes are set on the back of the drawer bottom plate, and cable fixing buckles are equipped to standardize cable wiring.

Benefits of technology

Automatic control and monitoring of drawer cabinets is realized, the intelligence level of the system is improved, the protection ability in short circuit situations is enhanced, and equipment damage and safety hazards are reduced. By enhancing the stability of the cabinet structure, the overall stability and safety of the equipment are improved; by improving electrical connection and insulation protection, the efficiency and safety of the electricity transmission is improved; by optimizing the heat dissipation and ventilation design, the service life of the equipment is extended; by standardizing cable wiring, maintenance and management are simplified.

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    Figure CN119482020B_ABST
Patent Text Reader

Abstract

The present invention provides a stable low-voltage drawer cabinet, comprising a drawer cabinet frame, a drawer panel is arranged on the drawer cabinet frame, drawer guide rails are arranged on both sides of the drawer panel, an incoming terminal row is connected to a circuit breaker wire, the circuit breaker is connected to a control relay circuit, the control relay is connected to a voltage regulator circuit, the voltage regulator is connected to an outgoing terminal row circuit through a wire, a wire slot plate is arranged on the outgoing terminal row, a drawer component unit is arranged on a drawer bottom plate, and the drawer component unit is connected to a main circuit and a control circuit. The control relay is connected to a programming logic controller, so as to realize automatic control and monitoring of the drawer cabinet, improve the intelligence level of the system, and perform circuit logic judgment through a thermal stability verification formula, a dynamic stability verification formula and a short-circuit current expression formula of the voltage regulator, so as to improve the protection capability of the drawer cabinet under a short-circuit condition, and reduce equipment damage and safety hazards caused by a short-circuit.
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Citation Information

Patent Citations

  • A low voltage drawer cabinet

    CN118889236B

  • An intelligent voltage stabilizing and energy saving power distribution cabinet

    CN202888698U