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Base station fan controlling method and device

A fan control and fan technology, which is applied in pump control, pump device, temperature control, etc., can solve the problems of burning out single-board devices, loud base station noise, etc., to save maintenance costs, stably control the temperature of the base station, improve stability and The effect of maintainability

Active Publication Date: 2019-01-22
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem solved by the solution provided according to the embodiment of the present invention is the problem of high noise of the base station and burning of single-board devices

Method used

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  • Base station fan controlling method and device
  • Base station fan controlling method and device
  • Base station fan controlling method and device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0094] Different types of boards in the base station have different numbers of key components. Select the temperature of as many key components as possible on the board as the input of the PID method. In this way, the more temperatures involved in speed regulation, the more accurate the speed regulation will be.

[0095] (1) All boards in the base station use the same PID parameters. First determine the initial PID parameter value, and then continuously optimize the two parameters of PID at different temperatures to ensure that the single board in the base station works at an appropriate temperature, the noise of the base station is within the acceptable range, and the fan vibration is small, and finally select a set The balanced parameters are used as PID speed regulation parameters.

[0096] (2) All boards in the base station use a linear speed regulation curve. First, determine an initial curve, and then continuously adjust the inflection point and slope of the curve under d...

Embodiment 2

[0099] Different types of boards in the base station have different numbers of key components. Select the temperature of as many key components as possible on the board as the input of the PID method. In this way, the more temperatures involved in speed regulation, the more accurate the speed regulation will be.

[0100] (1) Different key components use different PID parameters. A single board has multiple key components involved in speed regulation. The PID calibration temperature of each key component is different, so the parameters of the PID algorithm can also be different. Given the initial value of the PID parameter of a key chip, at different temperatures, the constant Optimize the PID parameters to make the chip temperature work at a suitable temperature, and finally get a set of PID parameters suitable for the key chip. The methods for determining PID parameters of other key chips are similar.

[0101] (2) Different boards use different speed regulation curves. For ...

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Abstract

The invention discloses a base station fan controlling method and device, and relates to the technical field of wireless base station communication. The method comprises the steps that a first PWM value used for the speed regulation of a base station fan is computed by a fan main control single board by using the collected key component temperatures on single boards; a second PWM value used for the speed regulation of the base station fan is computed by the fan main control single board by using the collected air inlet temperatures on the single boards; the final PWM value used for the speed regulation of the base station fan is determined according to the first and second PWM values by the fan main control single board.

Description

technical field [0001] The invention relates to the technical field of wireless base station communication, in particular to a method and device for controlling a fan of a base station. Background technique [0002] The wireless base station is a kind of computing-intensive equipment. When the business volume of the base station is heavy, the CPU (Central Processing Unit, central processing unit) and some core chips of the single board in the base station will generate a lot of heat. If the heat is not dissipated in time Going out will cause the temperature of the board to rise and cause the board to burn out due to overheating, which will seriously affect the stability and reliability of the base station. At present, fan speed regulation generally adopts a single control method, such as linear speed regulation, PID (proportion, integration, differentiation) speed regulation. Since there is no feedback, the predictability of linear speed control is relatively poor, and it i...

Claims

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Application Information

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IPC IPC(8): F04D27/00
CPCF04D27/004F04D25/08F04D27/00G05D23/20
Inventor 陈龙军刘林松郭斌叶立仁王永昊
Owner ZTE CORP
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