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High-temperature resistant low-voltage switch cabinet

A low-voltage switchgear and high-temperature protection technology, which is applied in the field of low-voltage switchgear, can solve the problems of fixed layout, difficult manufacturing process, and rapid heating and heating, so as to reduce heat transfer, facilitate inspection and replacement, and enhance the effect of heat insulation

Active Publication Date: 2013-01-09
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Traditional low-voltage switchgear ( figure 1 ) adopts a compartment-type box, and this integrated box has a complex structure, difficult manufacturing process, high cost, and fixed layout, which is not conducive to the inspection and replacement of internal electrical components
Moreover, the traditional low-voltage switchgear box is usually made of metal materials. The outdoor switchgear is exposed to direct sunlight during the day, and the metal material heats up quickly, which has a certain impact on the normal operation of the internal electrical components.

Method used

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Embodiment Construction

[0022] Semiconductor refrigeration, also known as thermoelectric refrigeration or thermoelectric refrigeration, is a refrigeration technology developed in the late 1950s. The basic element of semiconductor refrigeration is a thermocouple, which uses two different semiconductor materials (p-type and n-type) to form a thermocouple. Such as figure 2 shown. When the DC power supply is turned on, the electrons and holes in the two materials absorb and release heat in the process of crossing the P-N junction, so the upper side absorbs heat and the temperature drops to form a cold end, and the lower side releases heat and the temperature rises to form a cold end. hot end. The anti-high temperature control system is to use the thermoelectric cooling effect of semiconductors to achieve the anti-high temperature effect. Using the principle of thermoelectric refrigeration, connecting countless pairs of p-n semiconductors to form a semiconductor refrigeration chip (such as image 3 s...

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Abstract

The invention discloses a high-temperature low-voltage switch cabinet, consisting of an internal-external two-compartment type box body part and a high-temperature resistant control system part, wherein the internal-external two-compartment type box body part mainly comprises an external compartment and a plurality of internal compartments; the external compartment is connected with the internal compartments through dual structures of a suspension ring and a supporting plate; the high-temperature resistant control system part is formed by sequentially connecting a temperature measurement module, a control module and a refrigeration module; by adopting the internal-external two-compartment type box body structure, the low-voltage switch cabinet has effect of dual heat insulation; the internal compartments and the external compartment are connected detachably, so that the internal compartments and the external compartment are manufactured by adopting a simple process, are flexible in layout, easy to separate and detach and benefit the check and replacement of internal electrical components; the high-temperature resistant control system monitors the internal temperature and intelligently reduces the temperature so as to achieve the effect of resisting high temperature; and by using a solar panel, the heat-insulating effect can be achieved, the auxiliary energy can be provided for the high-temperature resistant control system and the functions for saving energy and protecting environment can be achieved.

Description

technical field [0001] The invention belongs to the technical field of low-voltage switch cabinets, and in particular relates to a novel high-temperature-resistant, energy-saving and environment-friendly low-voltage switch cabinet. Background technique [0002] The low-voltage switchgear regulates and controls the power distribution lines, monitors the switches on the pole, completes the functions of telemetry, remote control, remote signaling, and fault detection, executes the commands issued by the power distribution master station, and realizes fault location, fault isolation and non-fault Functions such as rapid restoration of regional power supply are widely used in various industrial control systems. [0003] Traditional low-voltage switchgear ( figure 1 ) adopts a compartment-type box body, and this integrated box body has complex structure, difficult manufacturing process, high cost, and fixed layout, which is not conducive to the inspection and replacement of inter...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02B1/30H02B1/56G01K7/02G05D23/22F25B27/00F25B21/00
CPCY02B30/765Y02B30/66Y02B30/00Y02B30/70
Inventor 王贝王进陆国栋衣建刚
Owner ZHEJIANG UNIV
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