A Judgment Method for Filter Replacement of Intelligent Fresh Air System

A fresh air system and filter technology, applied in the direction of mechanical equipment, etc., can solve the problems of large error in the judgment result of the service life of the filter, long acquisition time of the comparison threshold, and complicated implementation, so as to save acquisition time, reliable comparison results, Guaranteed effectiveness and accuracy

Active Publication Date: 2021-12-31
厦门狄耐克环境智能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to overcome the above-mentioned defects or problems existing in the background technology, and provide a judgment method for filter replacement of an intelligent fresh air system, so as to solve the long acquisition time of the comparison threshold and the judgment result of the service life of the filter existing in the prior art. Problems such as large error, high cost and complicated implementation

Method used

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  • A Judgment Method for Filter Replacement of Intelligent Fresh Air System

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] The method for judging the filter replacement of the intelligent fresh air system in Embodiment 1 includes: the output power of the fan in the intelligent fresh air system is constant; by installing an end-of-life simulated dust filter in the intelligent fresh air system that has been installed in place in the actual use place, Obtain the fan speed at different wind speed gears as the reference speed r 1 ; Detect the real-time fan speed r of the intelligent fresh air system with a new filter installed in the actual use state 0 ;According to the change of real-time fan speed and the reference speed r corresponding to the current wind speed gear 1 Comparison, to determine whether the filter needs to be replaced.

[0041] Among them, it is determined that the filter needs to be replaced to meet the following conditions: the intelligent fresh air system at a certain first time t 1 Measured real-time fan speed r 0 Greater than the reference speed r corresponding to the cu...

Embodiment 2

[0054] The method for judging the filter replacement of the intelligent fresh air system in the second embodiment includes: the speed of the fan in the intelligent fresh air system is constant; The power under different wind speed gears is used as the reference power P 1 ; Detect the real-time fan power P of the intelligent fresh air system with a new filter installed in the actual use state 0 ; According to the real-time fan power P 0 and its reference power P corresponding to the current wind speed gear 1 Comparison, to determine whether the filter needs to be replaced.

[0055] Among them, it is determined that the filter needs to be replaced to meet the following conditions: the intelligent fresh air system at a certain third time t 3 Measured real-time fan power P 0 Less than the reference power P corresponding to the current wind speed gear 1 , and from the third moment t 3 from the artificially set third period T 3 The real-time fan power P measured at any time w...

Embodiment 3

[0066] The judging method for replacing the filter of the intelligent fresh air system according to the third embodiment comprises the following steps:

[0067] Step 1: Install a new filter into the intelligent fresh air system in the experimental environment, and obtain the fan parameters corresponding to different wind speed gears as the first reference parameter;

[0068] Step 2: Install an end-of-life simulated dust filter in the intelligent fresh air system in the experimental environment, and obtain the fan parameters corresponding to different wind speed gears as the second reference parameter;

[0069] Step 3: In the actual place of use, install the smart fresh air system with the new filter in place;

[0070] Step 4: Adjust the wind speed gear of the intelligent fresh air system in the actual use place, and collect the corresponding fan parameters under different wind speed gears as the use parameters;

[0071] Step 5: Calculate and obtain the end-of-life parameters ...

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Abstract

The invention discloses a method for judging the filter replacement of an intelligent fresh air system, which comprises: the output power of the fan in the intelligent fresh air system is constant; Filter, obtain the fan speed at different wind speed gears as a reference speed; detect the real-time fan speed of the intelligent fresh air system with a new filter installed in the actual use state; according to the change of the real-time fan speed and its relationship with the current wind speed gear Compare the corresponding reference speed to judge whether the filter needs to be replaced. The above-mentioned judging method for filter replacement of the intelligent fresh air system solves the problems in the prior art such as long acquisition time of the comparison threshold, large error in the judgment result of the service life of the filter, high cost and complicated implementation.

Description

technical field [0001] The invention relates to the technical field of fresh air systems, in particular to a method for judging replacement of filters in intelligent fresh air systems. Background technique [0002] After the fresh air system starts to work, the HEPA and other filters begin to accumulate dust slowly. As the amount of dust accumulation increases, the resistance of the filter gradually increases. The volume will increase exponentially. If the HEPA filter is not replaced in time, the high resistance will affect the air volume of the fan. With the increase of the dust accumulation, the filter is prone to mildew or bacteria. In addition, the original The blocked dust particles will fall off the filter net after the volume increases, and will be sent into the room with the air duct, causing secondary pollution of the indoor air; therefore, when the filter has accumulated dust to a certain extent, it will remind User action to replace the filter is necessary. [0...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F11/39F24F11/61
CPCF24F11/39F24F11/61
Inventor 陈平陈衍德
Owner 厦门狄耐克环境智能科技有限公司
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