CN115540125A - A smart and energy-saving adjustment method for building fresh air ventilation system - Google Patents

Abstract

The invention discloses an intelligent energy-saving building fresh air ventilation system adjusting method, which comprises the following steps: acquiring sensor data, comprising: personnel density, carbon dioxide concentration, air humidity, ambient temperature; judging whether the obtained carbon dioxide concentration, air humidity and environmental temperature are higher than preset values; and if the air volume is higher than the preset value, calculating the maximum air volume required by the optimal environment, and controlling the fresh air system to exchange the specified air volume. According to the invention, data such as personnel density, carbon dioxide concentration, air humidity, ambient temperature and the like can be acquired through the sensors, then whether the data are matched with preset values or not is judged (the preset values can be dynamically adjusted according to different seasons, geographical positions and environments), and if the data are not matched, the data can be automatically adjusted to the preset values, so that people can be in a comfortable environment, and people feel comfortable in work and life.

Description

Translated fromChinese

一种智慧节能的建筑新风通风系统调节方法A smart and energy-saving adjustment method for building fresh air ventilation system

技术领域technical field

本发明涉及通风系统技术领域，尤其涉及一种智慧节能的建筑新风通风系统调节方法。The invention relates to the technical field of ventilation systems, in particular to a smart and energy-saving adjustment method for building fresh air ventilation systems.

背景技术Background technique

调节人们工作和活动空间范围内的各项指标，可以的使人们达到最好的工作和生活状态，现实生活中人们通常使用多种设备协同工作去创造一个合适的环境，但是如此较为麻烦而且浪费能量。Adjusting various indicators within the range of people's work and activity space can enable people to achieve the best work and living conditions. In real life, people usually use multiple devices to work together to create a suitable environment, but this is cumbersome and wasteful. energy.

发明内容Contents of the invention

本发明的目的在于：为了解决上述问题，而提出的一种智慧节能的建筑新风通风系统调节方法。The object of the present invention is to provide a smart and energy-saving adjustment method for building fresh air ventilation systems in order to solve the above problems.

为了实现上述目的，本发明采用了如下技术方案：In order to achieve the above object, the present invention adopts the following technical solutions:

一种智慧节能的建筑新风通风系统调节方法，包括：获取传感器数据，包括：人员密度、二氧化碳浓度、空气湿度、环境温度；判断获取的二氧化碳浓度、空气湿度、环境温度是否高于预设值；如果高于预设值，则计算满足最优环境需要的最大换风量，并控制新风系统换入指定风量；如果低于预设值，则计算二氧化碳浓度、空气湿度、环境温度达到预设值的时间、以及达到最优环境需要的最大换风量，并定时控制新风系统换入指定风量。A smart and energy-saving method for adjusting a building fresh air ventilation system, comprising: obtaining sensor data, including: population density, carbon dioxide concentration, air humidity, and ambient temperature; judging whether the obtained carbon dioxide concentration, air humidity, and ambient temperature are higher than preset values; If it is higher than the preset value, calculate the maximum air exchange volume that meets the needs of the optimal environment, and control the fresh air system to replace the specified air volume; if it is lower than the preset value, calculate the time when the carbon dioxide concentration, air humidity, and ambient temperature reach the preset value Time, and the maximum air volume needed to achieve the optimal environment, and regularly control the fresh air system to change into the specified air volume.

优选地，通过摄像头和AI智能算法识别区域人员数量以获得所述获取传感器数据步骤中的人员密度数据，二氧化碳浓度、空气温度、环境温度通过对应的传感器监测获取。Preferably, the number of people in the area is identified through the camera and AI intelligent algorithm to obtain the population density data in the step of acquiring sensor data, and the carbon dioxide concentration, air temperature, and ambient temperature are monitored and acquired through corresponding sensors.

优选地,当所述二氧化碳浓度、空气湿度、环境温度预设值中二氧化碳浓度高于1000PPM时会让人感到沉闷，注意力开始不集中，心悸，所以预设值建议设置为1000PPM，也可根据实际情况动态调节预设值；空气湿度、环境温度则根据季节不同，所处地理位置、环境不同动态调节预设值。Preferably, when the concentration of carbon dioxide in the preset values of carbon dioxide concentration, air humidity and ambient temperature is higher than 1000PPM, it will make people feel dull, start to lose concentration, and have heart palpitations, so the preset value is recommended to be set to 1000PPM, and it can also be set according to The actual situation dynamically adjusts the preset value; the air humidity and ambient temperature dynamically adjust the preset value according to different seasons, geographical locations and environments.

优选地，当所述二氧化碳浓度、空气湿度、环境温度低于预设值时,通过计算二氧化碳浓度、空气湿度、环境温度三项评估指标达到预设值的时间以及满足最优环境需要的最大换风量；其中，计算二氧化碳浓度达到预设值的时间以及满足最优环境需要的最大换风量是通过结合当前人员密度、以及达到最优二氧化碳浓度需要降低的二氧化碳浓度值和对应的空间大小、换入新风的二氧化碳浓度，以及在当前人员密度下每小时二氧化碳浓度变化趋势计算出达到预设值时间以及需要的换风量；计算空气湿度达到预设值的时间以及满足最优环境需要的最大换风量是通过结合当前空间大小、换入新风的空气湿度以及达到最优空气湿度需要降低或增加的空气湿度值和每小时空气湿度变化趋势计算出需要的换风量；计算环境温度达到预设值的时间以及满足最优环境需要的最大换风量是通过结合当前空间大小、换入新风的温度以及达到最优环境温度需要降低或增加的温度值计算出需要的换风量；取最大的换风量作为需要换入的风量，以及最早达到预设值的时间，设定定时任务，达到设定时间自动控制对应的新风系统，换入新风。Preferably, when the carbon dioxide concentration, air humidity, and ambient temperature are lower than the preset values, by calculating the time for the three evaluation indicators of carbon dioxide concentration, air humidity, and ambient temperature to reach the preset values and the maximum exchange rate to meet the optimal environmental needs Air volume; among them, the calculation of the time when the carbon dioxide concentration reaches the preset value and the maximum air change volume to meet the needs of the optimal environment is based on the combination of the current personnel density, the carbon dioxide concentration value that needs to be reduced to achieve the optimal carbon dioxide concentration and the corresponding space size, and the replacement The carbon dioxide concentration of the fresh air, and the hourly carbon dioxide concentration change trend under the current population density calculate the time to reach the preset value and the required air change volume; calculate the time when the air humidity reaches the preset value and the maximum air change volume to meet the optimal environment needs is Calculate the required air exchange volume by combining the current space size, the air humidity of the fresh air, the air humidity value that needs to be reduced or increased to achieve the optimal air humidity, and the hourly air humidity change trend; calculate the time when the ambient temperature reaches the preset value and The maximum air exchange rate to meet the optimal environment needs is calculated by combining the current space size, the temperature of the fresh air, and the temperature value that needs to be reduced or increased to achieve the optimal ambient temperature; the maximum air exchange rate is taken as the required air exchange rate. The air volume, and the earliest time to reach the preset value, set a timing task, and automatically control the corresponding fresh air system when the set time is reached, and replace it with fresh air.

优选地，当所述二氧化碳浓度、空气湿度、环境温度其中一项或多项高于预设值时，满足最优环境需要的最大换风量通过由最优的二氧化碳浓度、最优的空气湿度、最优的环境温度三项评估指标综合判定；其中，达到最优的二氧化碳浓度需要的换风量是通过结合当前人员密度下每小时呼出二氧化碳量以及达到最优二氧化碳浓度需要降低的二氧化碳浓度值和对应的空间大小、换入新风的二氧化碳浓度计算出需要的换风量；达到最优的空气湿度需要的换风量是通过结合当前空间大小、换入新风的空气湿度以及达到最优空气湿度需要降低或增加的空气湿度值计算出需要的换风量；达到最优的环境温度需要的换风量是通过结合当前空间大小、换入新风的温度以及达到最优环境温度需要降低或增加的温度值计算出需要的换风量；取最大的换风量作为需要换入的风量，自动控制对应的新风系统，换入新风。Preferably, when one or more of the carbon dioxide concentration, air humidity, and ambient temperature is higher than the preset value, the maximum air exchange volume meeting the optimal environmental needs is determined by the optimal carbon dioxide concentration, the optimal air humidity, The three evaluation indicators of the optimal ambient temperature are comprehensively judged; among them, the air exchange volume required to achieve the optimal carbon dioxide concentration is based on the combination of the amount of carbon dioxide exhaled per hour under the current population density and the carbon dioxide concentration value that needs to be reduced to achieve the optimal carbon dioxide concentration and the corresponding Calculate the required air change volume based on the size of the space and the carbon dioxide concentration of the fresh air; the air change volume required to achieve the optimal air humidity is calculated by combining the current space size, the air humidity of the fresh air, and the need to reduce or increase the optimal air humidity Calculate the required air change volume based on the air humidity value; the air change volume required to achieve the optimal ambient temperature is calculated by combining the current space size, the temperature of the fresh air, and the temperature value that needs to be reduced or increased to achieve the optimal ambient temperature Air exchange volume: take the maximum air exchange volume as the air volume that needs to be exchanged in, automatically control the corresponding fresh air system, and exchange in fresh air.

综上所述，由于采用了上述技术方案，本发明的有益效果是：In summary, owing to adopting above-mentioned technical scheme, the beneficial effect of the present invention is:

本发明可以通过传感器获取人员密度、二氧化碳浓度、空气湿度、环境温度等数据，然后判断这些数据是否与预设值相匹配(预设值会根据季节、地理位置和环境的不同进行动态调节)，如果不匹配可以进行自主调节到预设值(更加节省能量)，如此可以使得人们处于一种舒适的环境下，使得人们在工作和生活中都感到舒服，如此可以提高人们的工作效率和生活质量。The present invention can obtain data such as personnel density, carbon dioxide concentration, air humidity, and ambient temperature through sensors, and then judge whether these data match preset values (the preset values will be dynamically adjusted according to seasons, geographical locations, and environments), If it does not match, it can be adjusted to the preset value (more energy-saving), so that people can be in a comfortable environment, making people feel comfortable in work and life, so that people's work efficiency and quality of life can be improved. .

附图说明Description of drawings

图1示出了根据本发明实施例提供的系统指令框图结构示意图；FIG. 1 shows a schematic structural diagram of a system instruction block diagram provided according to an embodiment of the present invention;

具体实施方式detailed description

下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其它实施例，都属于本发明保护的范围。The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

请参阅图1，本发明提供一种技术方案：Please refer to Fig. 1, the present invention provides a kind of technical scheme:

一种智慧节能的建筑新风通风系统调节方法，包括：获取传感器数据，包括：人员密度、二氧化碳浓度、空气湿度、环境温度；判断获取的二氧化碳浓度、空气湿度、环境温度是否高于预设值；如果高于预设值，则计算满足最优环境需要的最大换风量，并控制新风系统换入指定风量；如果低于预设值，则计算二氧化碳浓度、空气湿度、环境温度达到预设值的时间、以及达到最优环境需要的最大换风量，并定时控制新风系统换入指定风量。A smart and energy-saving method for adjusting a building fresh air ventilation system, comprising: obtaining sensor data, including: population density, carbon dioxide concentration, air humidity, and ambient temperature; judging whether the obtained carbon dioxide concentration, air humidity, and ambient temperature are higher than preset values; If it is higher than the preset value, calculate the maximum air exchange volume that meets the needs of the optimal environment, and control the fresh air system to replace the specified air volume; if it is lower than the preset value, calculate the time when the carbon dioxide concentration, air humidity, and ambient temperature reach the preset value Time, and the maximum air volume needed to achieve the optimal environment, and regularly control the fresh air system to change into the specified air volume.

通过摄像头和AI智能算法识别区域人员数量以获得所述获取传感器数据步骤中的人员密度数据，二氧化碳浓度、空气温度、环境温度通过对应的传感器监测获取。Identify the number of people in the area through the camera and AI intelligent algorithm to obtain the population density data in the step of acquiring sensor data, and the carbon dioxide concentration, air temperature, and ambient temperature are monitored and obtained through corresponding sensors.

所述二氧化碳浓度、空气湿度、环境温度预设值中二氧化碳浓度高于1000PPM时会让人感到沉闷，注意力开始不集中，心悸，所以预设值建议设置为1000PPM，也可根据实际情况动态调节预设值；空气湿度、环境温度则根据季节不同，所处地理位置、环境不同动态调节预设值。When the carbon dioxide concentration in the preset values of carbon dioxide concentration, air humidity and ambient temperature is higher than 1000PPM, it will make people feel dull, lose concentration and have heart palpitations, so the preset value is recommended to be set to 1000PPM, and it can also be dynamically adjusted according to the actual situation Preset values; air humidity and ambient temperature are dynamically adjusted according to different seasons, geographical locations and environments.

当所述二氧化碳浓度、空气湿度、环境温度低于预设值时,通过计算二氧化碳浓度、空气湿度、环境温度三项评估指标达到预设值的时间以及满足最优环境需要的最大换风量；其中，计算二氧化碳浓度达到预设值的时间以及满足最优环境需要的最大换风量是通过结合当前人员密度、以及达到最优二氧化碳浓度需要降低的二氧化碳浓度值和对应的空间大小、换入新风的二氧化碳浓度，以及在当前人员密度下每小时二氧化碳浓度变化趋势计算出达到预设值的时间以及需要的换风量；计算空气湿度达到预设值时间以及满足最优环境需要的最大换风量是通过结合当前空间大小、换入新风的空气湿度以及达到最优空气湿度需要降低或增加的空气湿度值和每小时空气湿度变化趋势计算出需要的换风量；计算环境温度达到预设值的时间以及满足最优环境需要的最大换风量是通过结合当前空间大小、换入新风的温度以及达到最优环境温度需要降低或增加的温度值计算出需要的换风量；取最大的换风量作为需要换入的风量，以及最早达到预设值的时间，设定定时任务，达到设定时间自动控制对应的新风系统，换入新风。When the carbon dioxide concentration, air humidity, and ambient temperature are lower than the preset values, the time for the three evaluation indicators of the carbon dioxide concentration, air humidity, and ambient temperature to reach the preset values and the maximum air exchange volume to meet the needs of the optimal environment are calculated; wherein , the calculation of the time when the carbon dioxide concentration reaches the preset value and the maximum air change volume to meet the optimal environment needs is based on the combination of the current personnel density, the carbon dioxide concentration value that needs to be reduced to achieve the optimal carbon dioxide concentration, the corresponding space size, and the carbon dioxide that is replaced by fresh air Concentration, and the hourly carbon dioxide concentration change trend under the current population density to calculate the time to reach the preset value and the required air change volume; calculate the time when the air humidity reaches the preset value and the maximum air change volume to meet the optimal environment needs by combining the current The size of the space, the air humidity for fresh air, the air humidity value that needs to be reduced or increased to achieve the optimal air humidity, and the hourly air humidity change trend to calculate the required air change; calculate the time when the ambient temperature reaches the preset value and meet the optimal air humidity. The maximum air change volume required by the environment is calculated by combining the current space size, the temperature of the fresh air, and the temperature value that needs to be reduced or increased to achieve the optimal ambient temperature; take the maximum air change volume as the air volume that needs to be replaced. And the earliest time to reach the preset value, set the timing task, and automatically control the corresponding fresh air system when the set time is reached, and replace it with fresh air.

当所述二氧化碳浓度、空气湿度、环境温度其中一项或多项高于预设值时，满足最优环境需要的最大换风量通过由最优的二氧化碳浓度、最优的空气湿度、最优的环境温度三项评估指标综合判定；其中，达到最优的二氧化碳浓度需要的换风量是通过结合当前人员密度下每小时呼出二氧化碳量以及达到最优二氧化碳浓度需要降低的二氧化碳浓度值和对应的空间大小、换入新风的二氧化碳浓度计算出需要的换风量；达到最优的空气湿度需要的换风量是通过结合当前空间大小、换入新风的空气湿度以及达到最优空气湿度需要降低或增加的空气湿度值计算出需要的换风量；达到最优的环境温度需要的换风量是通过结合当前空间大小、换入新风的温度以及达到最优环境温度需要降低或增加的温度值计算出需要的换风量；取最大的换风量作为需要换入的风量，自动控制对应的新风系统，换入新风。When one or more of the carbon dioxide concentration, air humidity, and ambient temperature are higher than the preset value, the maximum air exchange volume that meets the optimal environmental needs is determined by the optimal carbon dioxide concentration, the optimal air humidity, and the optimal Comprehensive judgment of the three evaluation indicators of ambient temperature; among them, the air exchange volume required to achieve the optimal carbon dioxide concentration is based on the combination of the amount of carbon dioxide exhaled per hour under the current personnel density and the carbon dioxide concentration value that needs to be reduced to achieve the optimal carbon dioxide concentration and the corresponding space size , Change the carbon dioxide concentration of the fresh air to calculate the required air exchange volume; the air exchange volume required to achieve the optimal air humidity is based on the combination of the current space size, the air humidity of the fresh air exchange, and the air humidity that needs to be reduced or increased to achieve the optimal air humidity Value to calculate the required air exchange volume; the air exchange volume required to achieve the optimal ambient temperature is calculated by combining the current space size, the temperature of the fresh air, and the temperature value that needs to be reduced or increased to achieve the optimal ambient temperature; Take the maximum air exchange volume as the air volume that needs to be replaced, automatically control the corresponding fresh air system, and replace with fresh air.

实施例的上述说明，使本领域专业技术人员能够实现或使用本发明。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下，在其它实施例中实现。因此，本发明将不会被限制于本文所示的这些实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。The above description of the embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (5)

Translated fromChinese

1.一种智慧节能的建筑新风通风系统调节方法，其特征在于，包括：1. A smart and energy-saving building fresh air ventilation system adjustment method, characterized in that it comprises:获取传感器数据，包括：人员密度、二氧化碳浓度、空气湿度、环境温度；Obtain sensor data, including: personnel density, carbon dioxide concentration, air humidity, and ambient temperature;判断获取的二氧化碳浓度、空气湿度、环境温度是否高于预设值；Determine whether the obtained carbon dioxide concentration, air humidity, and ambient temperature are higher than the preset values;如果高于预设值，则计算满足最优环境需要的最大换风量，并控制新风系统换入指定风量；If it is higher than the preset value, calculate the maximum air exchange volume that meets the needs of the optimal environment, and control the fresh air system to enter the specified air volume;如果低于预设值，则计算二氧化碳浓度、空气湿度、环境温度达到预设值的时间、以及达到最优环境需要的最大换风量，并定时控制新风系统换入指定风量。If it is lower than the preset value, calculate the carbon dioxide concentration, air humidity, the time when the ambient temperature reaches the preset value, and the maximum air exchange volume required to achieve the optimal environment, and regularly control the fresh air system to change into the specified air volume.2.根据权利要求1所述的一种智慧节能的建筑新风通风系统调节方法，其特征在于，通过摄像头和AI智能算法识别区域人员数量以获得所述获取传感器数据步骤中的人员密度数据，二氧化碳浓度、空气温度、环境温度通过对应的传感器监测获取。2. A kind of intelligent and energy-saving building fresh air ventilation system adjustment method according to claim 1, characterized in that, the number of people in the area is identified by the camera and AI intelligent algorithm to obtain the personnel density data in the step of obtaining sensor data, carbon dioxide Concentration, air temperature, and ambient temperature are monitored and obtained through corresponding sensors.3.根据权利要求2所述的一种智慧节能的建筑新风通风系统调节方法，其特征在于，当所述二氧化碳浓度、空气湿度、环境温度预设值中二氧化碳浓度高于1000PPM时会让人感到沉闷，注意力开始不集中，心悸，所以预设值建议设置为1000PPM，也可根据实际情况动态调节预设值；空气湿度、环境温度则根据季节不同，所处地理位置、环境不同动态调节预设值。3. A kind of intelligent energy-saving building fresh air ventilation system adjustment method according to claim 2, characterized in that, when the carbon dioxide concentration in the preset value of the carbon dioxide concentration, air humidity and ambient temperature is higher than 1000PPM, people will feel Dullness, lack of concentration and heart palpitations, so the preset value is recommended to be set to 1000PPM, and the preset value can also be dynamically adjusted according to the actual situation; the air humidity and ambient temperature can be dynamically adjusted according to different seasons, geographical locations and environments. set value.4.根据权利要求3所述的一种智慧节能的建筑新风通风系统调节方法，其特征在于，当所述二氧化碳浓度、空气湿度、环境温度低于预设值时,通过计算二氧化碳浓度、空气湿度、环境温度三项评估指标达到预设值的时间以及满足最优环境需要的最大换风量；其中，计算二氧化碳浓度达到预设值的时间以及满足最优环境需要的最大换风量是通过结合当前人员密度、以及达到最优二氧化碳浓度需要降低的二氧化碳浓度值和对应的空间大小、换入新风的二氧化碳浓度，以及在当前人员密度下每小时二氧化碳浓度变化趋势计算出达到预设值时间以及需要的换风量；计算空气湿度达到预设值的时间以及满足最优环境需要的最大换风量是通过结合当前空间大小、换入新风的空气湿度以及达到最优空气湿度需要降低或增加的空气湿度值和每小时空气湿度变化趋势计算出需要的换风量；计算环境温度达到预设值时间以及满足最优环境需要的最大换风量是通过结合当前空间大小、换入新风的温度以及达到最优环境温度需要降低或增加的温度值计算出需要的换风量；取最大的换风量作为需要换入的风量，以及最早达到预设值的时间，设定定时任务，达到设定时间自动控制对应的新风系统，换入新风。4. A kind of intelligent and energy-saving building fresh air ventilation system adjustment method according to claim 3, characterized in that, when the carbon dioxide concentration, air humidity, and ambient temperature are lower than preset values, by calculating the carbon dioxide concentration, air humidity The time when the three evaluation indicators, ambient temperature and environmental temperature reach the preset value, and the maximum air change volume to meet the optimal environmental needs; among them, the calculation of the time when the carbon dioxide concentration reaches the preset value and the maximum air change volume to meet the optimal environmental needs is based on the combination of current personnel Density, and the carbon dioxide concentration value that needs to be reduced to achieve the optimal carbon dioxide concentration and the corresponding space size, the carbon dioxide concentration that is replaced by fresh air, and the hourly change trend of carbon dioxide concentration under the current population density to calculate the time to reach the preset value and the required replacement Air volume: Calculate the time when the air humidity reaches the preset value and the maximum air change volume to meet the optimal environment needs is based on the combination of the current space size, the air humidity of the fresh air, and the air humidity value that needs to be reduced or increased to achieve the optimal air humidity and each The hourly air humidity change trend calculates the required air change volume; the calculation of the time when the ambient temperature reaches the preset value and the maximum air change volume that meets the optimal environmental needs is based on the combination of the current space size, the temperature of the fresh air, and the reduction required to achieve the optimal ambient temperature or the increased temperature value to calculate the required air volume; take the maximum air volume as the air volume that needs to be replaced, and the earliest time to reach the preset value, set a timing task, and automatically control the corresponding fresh air system when the set time is reached. Into the new wind.5.根据权利要求4所述的一种智慧节能的建筑新风通风系统调节方法，其特征在于，当所述二氧化碳浓度、空气湿度、环境温度其中一项或多项高于预设值时，满足最优环境需要的最大换风量通过由最优的二氧化碳浓度、最优的空气湿度、最优的环境温度三项评估指标综合判定；其中，达到最优的二氧化碳浓度需要的换风量是通过结合当前人员密度下每小时呼出二氧化碳量以及达到最优二氧化碳浓度需要降低的二氧化碳浓度值和对应的空间大小、换入新风的二氧化碳浓度计算出需要的换风量；达到最优的空气湿度需要的换风量是通过结合当前空间大小、换入新风的空气湿度以及达到最优空气湿度需要降低或增加的空气湿度值计算出需要的换风量；达到最优的环境温度需要的换风量是通过结合当前空间大小、换入新风的温度以及达到最优环境温度需要降低或增加的温度值计算出需要的换风量；取最大的换风量作为需要换入的风量，自动控制对应的新风系统，换入新风。5. A smart and energy-saving building fresh air ventilation system adjustment method according to claim 4, characterized in that, when one or more of the carbon dioxide concentration, air humidity, and ambient temperature are higher than a preset value, the The maximum air change volume required for the optimal environment is comprehensively determined by three evaluation indicators: the optimal carbon dioxide concentration, the optimal air humidity, and the optimal ambient temperature; among them, the air change volume required to achieve the optimal carbon dioxide concentration is determined by combining the current The amount of carbon dioxide exhaled per hour under the density of people, the carbon dioxide concentration value that needs to be reduced to achieve the optimal carbon dioxide concentration, the corresponding space size, and the carbon dioxide concentration that is replaced by the fresh air are used to calculate the required air change volume; the air change volume required to achieve the optimal air humidity is The required air change volume is calculated by combining the current space size, the air humidity of the fresh air, and the air humidity value that needs to be reduced or increased to achieve the optimal air humidity; the air change volume required to achieve the optimal ambient temperature is calculated by combining the current space size, Calculate the required air change volume based on the temperature of the fresh air and the temperature value that needs to be reduced or increased to achieve the optimal ambient temperature; take the maximum air change volume as the air volume that needs to be changed in, automatically control the corresponding fresh air system, and change in the fresh air.

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