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Flexible adjustment method and system for internal environment of power supply shelter and power supply shelter

A technology of internal environment and adjustment method, applied in the direction of control/regulation system, substation/switch layout details, electrical components, etc., can solve problems such as damage to power supply, short circuit, arcing, accelerated air circulation, etc.

Inactive Publication Date: 2020-09-29
CHENGDU AIRCRAFT INDUSTRY GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] AC and DC power supply storage requires high humidity in the working environment. If you work in an environment with high humidity for a long time, faults such as short circuit and arcing will occur, which will damage the power supply. Therefore, a dehumidification device must be installed in the power supply cabin. Humidity in the cabin, industrial dehumidification fans can help the cabin dehumidify and accelerate the air circulation in the cabin, but the layout strategy has a great impact on the equipment manufacturing cost and the overall layout

Method used

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  • Flexible adjustment method and system for internal environment of power supply shelter and power supply shelter
  • Flexible adjustment method and system for internal environment of power supply shelter and power supply shelter
  • Flexible adjustment method and system for internal environment of power supply shelter and power supply shelter

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Experimental program
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Effect test

Embodiment 1

[0055] A flexible adjustment method for the internal environment of a power supply shelter, based on an environment flexible adjustment system installed in the power supply shelter, to adjust the temperature and humidity environment in the power supply shelter. The power supply fan on the DC power supply, the temperature and humidity sensor, the air conditioner and the integrated control system, the air outlet of the axial flow fan is provided with an opening regulator, and the flexible environment adjustment method includes a temperature adjustment method and a humidity adjustment method, wherein the temperature adjustment The method includes the following steps:

[0056] S1: n temperature and humidity sensors collect the temperature T1, T2...Tn, and calculate the current ambient temperature T in the shelter from T1, T2...Tn;

[0057] S2: Judging the range of the current ambient temperature T, if the current ambient temperature T is lower than the lower limit t for temperatur...

Embodiment 2

[0066] On the basis of the above-mentioned embodiment 1, the present invention calculates the method for obtaining the current ambient temperature T in the step S1 as follows: take the average value of the temperatures collected by n temperature and humidity sensors T1, T2...Tn as the current ambient temperature T ,Right now The method for calculating the current ambient humidity M in the step T1 is: take the average value of the humidity collected by n temperature and humidity sensors M1, M2...Mn as the current ambient humidity M, that is

[0067]When taking the average value of the temperatures collected by n temperature and humidity sensors T1, T2...Tn, remove the temperature values ​​whose dispersion degree is greater than the threshold value among the temperatures collected by the n temperature and humidity sensors; when taking M1, M2...Mn When the average value of the humidity collected by n temperature and humidity sensors is removed, the humidity values ​​whose disp...

Embodiment 3

[0087] A flexible adjustment system for the internal environment of the power shelter, such as figure 1 , including a power supply shelter, the interior of the power supply shelter is provided with an axial flow fan, an air inlet, an AC and DC power supply, a temperature and humidity sensor, an air conditioner and an integrated control system, wherein:

[0088] Axial flow fan: extract the internal air out of the power supply cabin to realize cooling and dehumidification in the cabin. The air outlet of the axial flow fan is equipped with an opening regulator to adjust the opening of the air outlet of the axial flow fan;

[0089] Air inlet: introduce external air into the power shelter;

[0090] AC and DC power supply: There is a power supply fan fixed on the AC and DC power supply for internal heat dissipation of the AC and DC power supply;

[0091] Temperature and humidity sensor: measure the temperature and humidity in the power shelter, and feed back to the integrated contr...

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Abstract

The invention discloses a flexible adjustment method and system for the internal environment of a power supply shelter and the power supply shelter. The system comprises the power supply shelter, an axial flow fan in the power supply shelter, an alternating-current and direct-current power supply provided with a power supply fan, a temperature and humidity sensor, an air conditioner and a comprehensive control system. The method comprises a temperature and humidity adjustment method for collecting and calculating the current environment temperature T; when T is smaller than the lower limit tmin of temperature control required by the power supply, the axial flow fan is turned off; when T is not smaller than the lower limit tmin of temperature control required by the power supply, the comprehensive control system controls the power supply fan, the axial flow fan and the air conditioner to adjust the temperature in the power supply shelter; the current environment humidity M is collectedand obtained; when M is lower than the maximum humidity Mmax of normal work, the alternating-current and direct-current power supply is normally started; when M is between the Mmax and the environmentalarm humidity Mala, the alternating-current and direct-current power supply fan performs cold rotation for a fixed time, the rotating speed of the axial flow fan is adjusted to the maximum rotatingspeed, and an opening degree adjuster is adjusted to the maximum opening degree; and when M is continuously larger than Mala, the air conditioner is started.

Description

technical field [0001] The invention relates to the field of temperature and humidity adjustment, in particular to a method and system for flexible adjustment of the internal environment of a power supply shelter and the power supply shelter. Background technique [0002] The ground power supply of the aircraft is a kind of power shelter with multiple outputs of AC and DC. In order to achieve waterproof, noise reduction and other issues, the power shelter places AC and DC power sources inside the shelter. DC power supply and AC power supply devices will generate a lot of heat during operation, and the increase in heat will affect the stable operation of the system. Therefore, it is necessary to equip a cooling device to help the equipment dissipate heat. The commonly used cooling methods are air cooling and liquid cooling. , only using air cooling requires more cooling fans, and the power is large, which increases the weight of the equipment, and the heat dissipation efficie...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D27/02H02B1/56
CPCG05D27/02H02B1/565
Inventor 徐太强钟霄寒贾鸿卫家茹陈伟李明晏何永吉岳姗姗杨秀慧臧丹
Owner CHENGDU AIRCRAFT INDUSTRY GROUP