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Overhead electrical cabinet environment control method and system

A control method and technology for electrical cabinets, applied in the field of electrical cabinets, can solve problems such as hidden dangers in the environmental parameters of electrical cabinets, and achieve the effect of reducing risks and strong applicability

Active Publication Date: 2020-07-14
CHANGZHOU CHANGFA REFRIGERATION TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem of unreasonable environmental parameters of electrical cabinets in the prior art and hidden dangers, the present invention provides a top-mounted electrical cabinet environmental control method and system that realizes reasonable environmental parameters

Method used

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  • Overhead electrical cabinet environment control method and system
  • Overhead electrical cabinet environment control method and system
  • Overhead electrical cabinet environment control method and system

Examples

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Effect test

Embodiment Construction

[0045] A method for controlling the environment of a top-mounted electrical cabinet, including a cooling mode, comprising the following steps:

[0046] S01: Set the set temperature in the cabinet, then detect the actual temperature in the cabinet, ambient temperature and ambient humidity, and calculate the ambient dew point temperature according to the ambient temperature and ambient humidity;

[0047] S02: Compare the set temperature in the cabinet with the ambient dew point temperature, and calculate the target temperature in the cabinet according to the comparison result:

[0048] S21: If the ambient dew point temperature + the first set difference value > the set temperature in the cabinet, then the target temperature in the cabinet = the ambient dew point temperature + the first set difference value;

[0049] S22: If the ambient dew point temperature + the first set difference ≤ the set temperature inside the cabinet, then the target temperature inside the cabinet = the s...

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Abstract

The invention relates to the technical field of electrical cabinets, in particular to an overhead electrical cabinet environment control method and system. The control method comprises a refrigerationmode, a dehumidification mode and a standby mode. System comprising a mounting cabinet, a compressor, an evaporator and a condenser are mounted on the mounting cabinet; a working medium outlet of thecondenser is connected with a working medium inlet of the evaporator; a working medium outlet of the evaporator is connected with a working medium inlet of the compressor; a working medium outlet ofthe compressor is connected with a working medium inlet of the condenser; the mounting cabinet is provided with an air inlet and an air outlet which are communicated with the interior of the electrical cabinet; a refrigeration air duct is arranged between the air inlet and the air outlet; an inner fan is arranged at the air inlet and / or the air outlet; the evaporator is arranged in the refrigeration air duct, refrigeration and dehumidification are completed through a refrigeration module composed of the compressor, the evaporator and the condenser, dehumidification is achieved through condensation of hot air in the electrical cabinet on the evaporator, the environment in the cabinet is adjusted for the electrical cabinet, and it is guaranteed that environmental parameters of the electricalcabinet are within a reasonable range.

Description

technical field [0001] The invention relates to the technical field of electrical cabinets, in particular to a method and system for controlling the environment of a top-mounted electrical cabinet. Background technique [0002] There are a large number of electrical components inside the high and low voltage electrical cabinet, the voltage is high and the current is large. Due to the load loss, heat will continue to be generated inside, and the temperature will rise, especially in summer. Therefore, it is necessary to control the temperature inside the cabinet to prevent the influence of excessive temperature rise. The normal operation of electrical components may even affect the safety of electricity consumption and cause accidents; in addition, if the inside of the electrical cabinet does not maintain reasonable environmental parameters (temperature, humidity, etc.), the electrical cabinet also has great potential safety hazards. Contents of the invention [0003] In ord...

Claims

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Application Information

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IPC IPC(8): H05K7/20G05D27/02
CPCH05K7/20309H05K7/20318H05K7/20354H05K7/20145H05K7/20172G05D27/02
Inventor 李刚孙太尉张智谢庆黄国尧陈广兵
Owner CHANGZHOU CHANGFA REFRIGERATION TECH CO LTD
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