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CN-121977256-A - Intelligent fresh air control method, device and storage medium

CN121977256ACN 121977256 ACN121977256 ACN 121977256ACN-121977256-A

Abstract

The application relates to the technical field of fresh air control, in particular to an intelligent fresh air control method, an intelligent fresh air control device and a storage medium, wherein the method comprises the steps of installing a fresh air control valve on a fresh air pipe and connecting the fresh air pipe into a return air cavity of an indoor fan; after the indoor fan is connected, a user presets a first concentration threshold value and a second concentration threshold value respectively through a control panel and a terminal, the actual carbon dioxide concentration and the character activity state are detected in real time respectively through a carbon dioxide concentration sensor and a millimeter wave radar, the opening of a fresh air control valve is dynamically adjusted based on the comparison result of the first concentration threshold value, the second concentration threshold value, the actual carbon dioxide and the character activity state, the opening of the fresh air control valve is adjusted based on the comparison result, the accurate adjustment of fresh air quantity is achieved on the basis that no additional fresh air fan is required to be introduced, fresh air quantity is achieved as required through setting of the second concentration threshold value, and the user automatically adjusts the fresh air quantity according to actual requirements, so that the application range of the fresh air quantity control device is improved.

Inventors

  • WU CHENGSONG
  • XU RUHAO
  • LEI MING

Assignees

  • 广东恩博力电器有限公司
  • 安徽恩博力电器有限公司

Dates

Publication Date
20260505
Application Date
20251222

Claims (10)

  1. 1. An intelligent fresh air control method is characterized by comprising the following steps: Respectively presetting a first concentration threshold value and a second concentration threshold value on a control board and a terminal; detecting the actual carbon dioxide concentration and the person activity state in real time through a carbon dioxide concentration sensor and a millimeter wave radar respectively; and dynamically adjusting the opening degree of the fresh air control valve based on the comparison result of the first concentration threshold value, the second concentration threshold value, the actual carbon dioxide concentration and the character activity state.
  2. 2. The intelligent fresh air control method according to claim 1, wherein dynamically adjusting the opening of the fresh air control valve based on the comparison result of the first concentration threshold, the second concentration threshold, the actual carbon dioxide concentration, and the person activity state comprises: When the first concentration threshold value is smaller than the second concentration threshold value, the opening degree of the fresh air control valve is adjusted according to the comparison result of the first concentration threshold value and the actual carbon dioxide concentration threshold value; and when the first concentration threshold value is larger than the second concentration threshold value, adjusting the opening of the fresh air control valve according to the comparison result of the second concentration threshold value and the actual carbon dioxide concentration threshold value.
  3. 3. The intelligent fresh air control method according to claim 2, wherein the adjusting the opening of the fresh air control valve according to the comparison result of the first concentration threshold and the actual carbon dioxide concentration threshold specifically comprises: when the actual carbon dioxide concentration is greater than a first concentration threshold value, opening the fresh air control valve to an initial opening degree; After the initial opening is reached, calculating the adjusting opening of the fresh air control valve according to the comparison result of the actual carbon dioxide concentration and the first concentration threshold value; Dynamically correcting and adjusting the opening based on the detection result of the character activity state to generate a first valve opening; the fresh air control valve corrects the initial opening based on the first valve opening.
  4. 4. The intelligent fresh air control method according to claim 2, wherein the adjusting the opening of the fresh air control valve according to the comparison result of the second concentration threshold and the actual carbon dioxide concentration threshold specifically comprises: when the actual carbon dioxide concentration is greater than the second concentration threshold, opening the fresh air control valve to an initial opening degree; after the initial opening is reached, calculating the adjusting opening of the fresh air control valve according to the comparison result of the actual carbon dioxide concentration and the second concentration threshold value; Dynamically correcting and adjusting the opening based on the detection result of the character activity state to generate a second valve opening; the fresh air control valve corrects the initial opening based on the second valve opening.
  5. 5. The intelligent fresh air control method according to claim 3 or 4, further comprising: When the actual carbon dioxide concentration is smaller than the first concentration threshold value, the fresh air control valve is in a closed state; And when the actual carbon dioxide concentration is smaller than the second concentration threshold value, the fresh air control valve is in a closed state.
  6. 6. The intelligent fresh air control method according to claim 3 or 4, wherein when the first valve opening or the second valve opening is smaller than the initial opening, then the initial opening is maintained; and when the opening of the first valve or the second valve is larger than the maximum opening of the fresh air control valve, maintaining the maximum opening of the fresh air control valve.
  7. 7. The intelligent fresh air control method according to claim 3, wherein the first valve opening is calculated by the following formula: ; Wherein the method comprises the steps of Is the opening degree of the first valve, and the first valve is the opening degree of the first valve, For the actual carbon dioxide concentration, As a result of the first concentration threshold value, The coefficient is modified for the number of times, And correcting the coefficient for the motion.
  8. 8. The intelligent fresh air control method according to claim 4, wherein the second valve opening is calculated by: ; Wherein the method comprises the steps of Is the opening degree of the second valve, and the second valve is the opening degree of the second valve, For the actual carbon dioxide concentration, As a result of the second concentration threshold value, The coefficient is modified for the number of times, And correcting the coefficient for the motion.
  9. 9. An intelligent fresh air control device, characterized in that the device comprises: The data presetting module is used for respectively presetting a first concentration threshold value and a second concentration threshold value on the control panel and the terminal; The data acquisition module is used for respectively detecting the actual carbon dioxide concentration and the person activity state in real time through the carbon dioxide concentration sensor and the millimeter wave radar; And the valve adjusting module is used for dynamically adjusting the opening of the fresh air control valve based on the comparison result of the first concentration threshold value, the second concentration threshold value, the actual carbon dioxide concentration and the character activity state.
  10. 10. A computer readable storage medium storing a computer program, characterized in that the computer program when executed by a processor implements the method of any one of claims 1 to 8.

Description

Intelligent fresh air control method, device and storage medium Technical Field The application relates to the technical field of fresh air control, in particular to an intelligent fresh air control method, an intelligent fresh air control device and a storage medium. Background Along with the continuous improvement of indoor air quality requirements of people, a fresh air system is used as key equipment for improving indoor air environment, and is widely applied to various scenes such as houses, office places, commercial buildings and the like. The indoor and outdoor air replacement device has the core functions of effectively replacing indoor and outdoor air by introducing outdoor fresh air and discharging indoor polluted air, so that the indoor pollutant concentration is reduced, and the proper air humidity and oxygen content are maintained. In the existing fresh air regulating technology system, in order to ensure the fresh air supply efficiency, most schemes adopt design ideas for configuring additional fresh air fans, and the fresh air fans are used as power sources for introducing fresh air. However, in practical application, the existing fresh air fan has obvious regulation limitation, and accurate regulation of fresh air quantity is difficult to realize. Disclosure of Invention The embodiment of the application mainly aims to provide an intelligent fresh air control method, an intelligent fresh air control device and a storage medium, and aims to realize accurate adjustment of fresh air quantity. In order to achieve the above object, an aspect of an embodiment of the present application provides an intelligent fresh air control method, where the method includes: Respectively presetting a first concentration threshold value and a second concentration threshold value on a control board and a terminal; detecting the actual carbon dioxide concentration and the person activity state in real time through a carbon dioxide concentration sensor and a millimeter wave radar respectively; and dynamically adjusting the opening degree of the fresh air control valve based on the comparison result of the first concentration threshold value, the second concentration threshold value, the actual carbon dioxide concentration and the character activity state. In some embodiments, the dynamically adjusting the opening of the fresh air control valve based on the comparison result of the first concentration threshold, the second concentration threshold, the actual carbon dioxide concentration, and the person activity state includes: When the first concentration threshold value is smaller than the second concentration threshold value, the opening degree of the fresh air control valve is adjusted according to the comparison result of the first concentration threshold value and the actual carbon dioxide concentration threshold value; and when the first concentration threshold value is larger than the second concentration threshold value, adjusting the opening of the fresh air control valve according to the comparison result of the second concentration threshold value and the actual carbon dioxide concentration threshold value. In some embodiments, the adjusting the opening of the fresh air control valve according to the comparison result of the first concentration threshold and the actual carbon dioxide concentration threshold specifically includes: when the actual carbon dioxide concentration is greater than a first concentration threshold value, opening the fresh air control valve to an initial opening degree; After the initial opening is reached, calculating the adjusting opening of the fresh air control valve according to the comparison result of the actual carbon dioxide concentration and the first concentration threshold value; Dynamically correcting and adjusting the opening based on the detection result of the character activity state to generate a first valve opening; the fresh air control valve corrects the initial opening based on the first valve opening. In some embodiments, the adjusting the opening of the fresh air control valve according to the comparison result of the second concentration threshold and the actual carbon dioxide concentration threshold specifically includes: when the actual carbon dioxide concentration is greater than the second concentration threshold, opening the fresh air control valve to an initial opening degree; after the initial opening is reached, calculating the adjusting opening of the fresh air control valve according to the comparison result of the actual carbon dioxide concentration and the second concentration threshold value; Dynamically correcting and adjusting the opening based on the detection result of the character activity state to generate a second valve opening; the fresh air control valve corrects the initial opening based on the second valve opening. In some embodiments, the method further comprises: When the actual carbon dioxide concentration is smaller than the firs