A healthy indoor environment control system and method

Abstract

The present invention discloses a control system and method for a healthy activity room environment, and relates to the technical field of air conditioning. Compared with the previous air conditioning system, the present invention solves the problem that the concentration of harmful gases such as particulate matter in the air-conditioned activity room seriously exceeds the standard, the traditional air conditioner has a high operating wind speed, uneven air supply, and only realizes local internal circulation, which cannot fundamentally control indoor particulate matter, easily leading to dust phenomenon indoors, indoor personnel easily inhaling harmful gases and endangering health, and the air purifier filter is easily blocked and needs to be replaced frequently. By arranging two air filters and negative oxygen antibacterial nets at the exhaust port, after the fresh air is heat exchanged, filtered, purified, dehumidified and sterilized, a negative oxygen ion generating device is arranged at the air supply port of the air conditioning orifice plate, and high-concentration negative oxygen ions are released indoors through an external circulation method of top air supply and bottom exhaust, and the uniformity of the fresh air supply can be guaranteed, which can improve the air quality of the activity room and ensure the breathing health of the indoor personnel.

Description

Technical Field

[0001] The present invention relates to the technical field of air conditioning, and in particular to a healthy indoor environment control system and method. Background Art

[0002] At present, as people's requirements for living environment are getting higher and higher, their requirements for indoor air quality and air-conditioning indoor unit experience are also getting higher and higher. In particular, the requirements of some special groups for air-conditioning quality need to be guaranteed.

[0003] When the air conditioner is used for a long time, not only will dust easily accumulate on the filter, but a lot of dust and other dirt will also stick to the inside of the air duct. In addition, the air conditioner's internal circulation cannot provide fresh air for the room, the quality of the incoming air cannot be guaranteed, and the quality of the outgoing air is worrying, which can be harmful to the human body in the long run.

[0004] Negative oxygen ions have many benefits to the human body. They play an essential role in regulating breathing, scavenging free radicals, promoting metabolism, and maintaining vital signs. Their concentration will directly affect a person's comfort and health.

[0005] Activities and smoking in the activity room can easily lead to serious exceeding of the concentration of harmful gases such as indoor particulate matter. The traditional air-conditioning system has a high wind speed and uneven air supply. The air purifier only has local internal circulation and cannot fundamentally control indoor particulate matter. It also causes indoor particulate matter to cause dust, making particulate matter and other harmful gases more easily inhaled by people in the activity room, endangering human health. In addition, the air purifier filter is easily clogged and needs to be replaced frequently.

[0006] In order to solve the above problems, the present invention provides a healthy activity indoor environment control system and method. Summary of the invention

[0007] The purpose of the present invention is to provide a health activity room environment control system and method to solve the problems raised in the background technology:

[0008] Activities and smoking in the activity room can easily lead to serious exceeding of the concentration of harmful gases such as indoor particulate matter. The traditional air-conditioning system has a high wind speed and uneven air supply. The air purifier only has local internal circulation and cannot fundamentally control indoor particulate matter. It also causes indoor particulate matter to cause dust, making particulate matter and other harmful gases more easily inhaled by people in the activity room, endangering human health. In addition, the air purifier filter is easily clogged and needs to be replaced frequently.

[0009] In order to achieve the above object, the present invention adopts the following technical solutions:

[0010] A health activity room environment control system, comprising: an orifice plate air supply outlet, an exhaust duct, a fan box, a fresh air dehumidification type purification air conditioning unit and an exhaust outlet;

[0011] The fresh air dehumidification type purification air conditioning unit is arranged at the top of the room and is connected to the outside to generate fresh air; the orifice plate air supply port is arranged below the fresh air dehumidification type purification air conditioning unit to discharge the fresh air introduced by the fresh air dehumidification type purification air conditioning unit at the top of the room, and the exhaust port arranged at the bottom of the room discharges the indoor exhaust gas through the exhaust duct and the low-noise fan box to the outside of the window;

[0012] Two metal coarse-effect filters are arranged at the outdoor air inlet of the fresh air dehumidification purification air-conditioning unit to prevent large particles from entering and polluting the interior of the air-conditioning unit; a negative oxygen antibacterial net is also arranged behind the air filter to purify, sterilize and disinfect the air entering the room and release negative oxygen ions into the room; a stainless steel rainproof elbow is arranged at the outer air outlet of the fan box, which is inclined downward by 15° to prevent rainwater from entering; a negative ion generating device is arranged at the orifice plate air supply outlet to release high-concentration negative oxygen ions into the room to improve the air quality.

[0013] A method for controlling the environment of a health activity room comprises the following steps:

[0014] S1: Start the fresh air dehumidification type purification air conditioning unit;

[0015] S2: Collecting indoor negative ion concentration data and indoor temperature and humidity data as well as currently preset negative ion concentration data and indoor temperature and humidity data;

[0016] S3: The outdoor air inlet of the fresh air dehumidification type purification air conditioning unit is filtered by two air filters and negative oxygen antibacterial nets, and then the fresh air dehumidification type purification air conditioning unit performs heat exchange, purification, sterilization, dehumidification, and releases negative oxygen ions into the room;

[0017] S4: The fresh air dehumidification type purification air conditioning unit adjusts the negative ion concentration and temperature and humidity accordingly based on the preset data, and supplies air to the room through the orifice air outlet;

[0018] S5: The fan box discharges the indoor exhaust gas to the outside through the air outlet arranged at the bottom of the room and the exhaust duct arranged at the side of the room.

[0019] Preferably, in S4, an indoor data prediction model is built, and the working time of the fresh air dehumidification type purification air-conditioning unit is adjusted based on the preset data and the predicted indoor negative ion concentration or temperature and humidity.

[0020] Preferably, the indoor data prediction model includes three one-dimensional convolutional layers, a fully connected layer and an improved BiLSTM layer; a BN layer and an activation function are added after each one-dimensional convolutional layer to realize data normalization and nonlinear operation; a Dropout layer is added after each LSTM layer of the improved BiLSTM layer to prevent overfitting;

[0021] The one-dimensional convolution layer and the improved BiLSTM layer are optimized based on the improved cuckoo algorithm, as follows:

[0022] The global walk is expressed as:

[0023]

[0024]

[0025] Among them, x i (t+1), x i (t) represents the i-th solution of the t+1th generation and the tth generation respectively; α0 represents the scaling factor; x b (t) represents the optimal solution of the tth generation; represents point-to-point multiplication; Levy(k,δ) represents the Levy distribution function; δ(1<δ<3) represents the power coefficient; k is the step size of the Levy distribution; k0 represents the initial step size of the Levy distribution; Γ represents the gamma function;

[0026]

[0027] in, and l are random numbers drawn from a normal distribution;

[0028]

[0029] The local random walk is expressed as:

[0030]

[0031] Among them, x i1 (t) is the individual historical optimal solution; x i2 (t) is the global historical optimal solution; x i3 (t) is the global historical suboptimal solution; r1, r1, r1 are all learning factors.

[0032] Preferably, the fresh air dehumidification type purification air conditioning unit also monitors the negative ion concentration or temperature and humidity in the room in real time and makes corresponding adjustments.

[0033] Preferably, in the method, if the negative ion concentration data and the indoor temperature and humidity data are not preset, the negative ion concentration and the temperature and humidity are adjusted accordingly according to the optimal negative ion concentration data, the optimal body temperature data and the optimal body humidity data.

[0034] Preferably, the optimal negative ion concentration data is not less than 10 4 Pieces / cm 3 ; The optimal perceived temperature data is 20-26°C; the optimal perceived humidity data is 40%-70%.

[0035] Compared with the prior art, the present invention provides a health activity room environment control system and method, which has the following beneficial effects:

[0036] The present invention arranges two air filters and a negative oxygen antibacterial net at the outdoor air inlet of the air-conditioning unit, and after heat exchange, filtration, purification, dehumidification and sterilization treatment of the fresh air, the air is supplied through the orifice plate on the top of the activity room, and a negative oxygen ion generating device is arranged at the air supply port of the orifice plate to empower the fresh air with health, and the treated healthy fresh air is evenly supplied into the activity room from top to bottom, ensuring that the air supply is clean, soft and comfortable, and the airflow organization is not disturbed, and high-concentration negative oxygen ions are released into the activity room. At the same time, external circulation is used to ensure that harmful gases such as indoor particulate matter are continuously discharged to the outdoors, which not only improves the air quality of the activity room, but also keeps the indoor air environment quality in a healthy state, ensuring the breathing health of indoor people. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 This is the system architecture diagram mentioned in Example 1 of the present invention;

[0038] Figure 2 This is a flow chart of the method mentioned in Example 2 of the present invention;

[0039] Figure 3 This is a schematic diagram of the model architecture mentioned in Example 2 of the present invention;

[0040] Figure 4 This is a schematic diagram of the partial model architecture mentioned in Example 2 of the present invention.

[0041] Meaning of the symbols in the figure:

[0042] 1. Orifice air supply outlet; 2. Exhaust duct; 3. Fan box; 4. Fresh air dehumidification type purification air conditioning unit; 5. Exhaust outlet. DETAILED DESCRIPTION

[0043] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0044] The present invention arranges two air filters and a negative oxygen antibacterial net at the outdoor air inlet of the air-conditioning unit, and after heat exchange, filtration, purification, dehumidification and sterilization treatment of the fresh air, the air is supplied through the orifice plate on the top of the activity room, and a negative oxygen ion generating device is arranged at the air supply port of the orifice plate to empower the fresh air with health, and the treated healthy fresh air is evenly supplied into the activity room from top to bottom, ensuring that the air supply is clean, soft and comfortable, and the airflow organization is not disturbed, and high-concentration negative oxygen ions are released into the room. At the same time, external circulation is used to ensure that harmful gases such as indoor particulate matter are continuously discharged to the outdoors, which not only improves the air quality of the activity room, but also keeps the indoor air environment quality in a healthy state, ensuring the breathing health of indoor people.

[0045] Specifically include the following contents.

[0046] Embodiment 1:

[0047] See also Figure 1 , the present invention is a health activity room environment control system, comprising: an exhaust port 5, an exhaust channel 2, a fan box 3, a fresh air dehumidification type purification air conditioning unit 4 and an exhaust port 5;

[0048] A fresh air dehumidification type purification air conditioning unit 4 is arranged at the top of the room and is connected to the outside to generate fresh air; an orifice plate air supply port 1 is arranged below the fresh air dehumidification type purification air conditioning unit 4 to discharge the fresh air introduced by the fresh air dehumidification type purification air conditioning unit 4 at the top of the room, and the orifice plate air supply port 1 arranged at the top can ensure that the smoke is discharged downward to ensure that people breathe healthily; an exhaust port 5 arranged at the bottom of the room discharges the indoor exhaust gas out of the window through the exhaust duct 2 and the low-noise fan box 3; outdoor circulation can be realized to ensure clean air supply and sufficient negative oxygen ions in the room;

[0049] Two air filters are provided at the outdoor air inlet of the fresh air dehumidification purification air-conditioning unit 4, which can prevent large particles from entering and polluting the interior of the air-conditioning unit; a negative oxygen antibacterial net is also provided behind the air filter, which can purify, sterilize and disinfect the air entering the room, and release negative oxygen ions into the room; a stainless steel rainproof elbow is also provided at the outer air outlet of the fan box 3, which is tilted downward by 15° to prevent rainwater from entering; a negative ion generating device is provided at the orifice plate air supply outlet 1, which is used to release high-concentration negative oxygen ions into the room to improve the air quality.

[0050] Embodiment 2:

[0051] See also Figure 2-4 , a method for controlling the environment of a health activity room, comprising the following steps:

[0052] S1: Start the fresh air dehumidification type purification air conditioning unit 4;

[0053] S2: Collect indoor negative ion concentration data, indoor temperature and humidity data, and currently preset negative ion concentration data and indoor temperature and humidity data; details are as follows:

[0054] Collect the current indoor negative ion concentration data, indoor temperature data and humidity data, as well as the currently manually set negative ion concentration data, temperature data and humidity data; if not set, select the best negative ion concentration data, best perceived temperature data and best perceived humidity data based on the current indoor negative ion concentration data, indoor temperature data and humidity data.

[0055] Table 1 Relationship between negative oxygen ion concentration and health

[0056] <![CDATA[Negative oxygen ion concentration (pcs / cm 3 )]]> Relationship with human health 0～20 Easy to cause "air conditioning disease" symptoms 40～50 Induce physiological disorders (such as headaches, insomnia, neurasthenia, fatigue, etc.) 500～200 Inducing physiological barriers 1000～10000 Maintaining basic health needs 10000～50000 Enhance human immunity and have antibacterial properties 50000～100000 Sterilization effect, reducing disease transmission 100000～500000 Has natural healing power

[0057] As can be seen from the table, the concentration of negative oxygen ions has an important impact on human health, especially in today's increasingly polluted world where people need negative oxygen ions all the time. According to research by environmentalists, when the concentration of negative oxygen ions in the air is below 20 per cubic centimeter, people will feel tired and dizzy; when the number of negative oxygen ions per cubic centimeter is between 1,000 and 10,000, people will feel calm and peaceful; when the number of negative oxygen ions per cubic centimeter is above 10,000, people will feel refreshed, comfortable and cozy; and when the number of negative oxygen ions per cubic centimeter is above 100,000, it can calm, stop asthma, eliminate fatigue, regulate nerves and other disease prevention and treatment effects. Therefore, a concentration of no less than 10 is selected. 4 Pieces / cm 3 The negative ion concentration is the optimal negative ion concentration. 20-26°C and 40%-70% are also selected as the optimal body temperature data and the optimal body humidity data.

[0058] S3: The outdoor air inlet of the fresh air dehumidification purification air conditioning unit 4 purifies and sterilizes the bottom flue gas through two air filters and a negative oxygen antibacterial net, and releases negative oxygen ions into the room; the details are as follows:

[0059] When the fresh air dehumidification and purification air-conditioning unit 4 is turned on, the air inlet starts to work, and prevents large particles from entering and polluting the interior of the air-conditioning unit through two air filters. It also exchanges heat, dehumidifies, purifies, sterilizes and disinfects the air entering the room through the negative oxygen antibacterial net, and releases negative oxygen ions into the room.

[0060] S4: The fresh air dehumidification type purification air conditioning unit 4 adjusts the negative ion concentration and temperature and humidity accordingly based on the preset data, and supplies air to the room through the orifice air outlet 1; the details are as follows:

[0061] The fresh air dehumidification type purification air-conditioning unit 4 predicts the indoor negative ion concentration or temperature and humidity based on the manually set negative ion concentration data, temperature data and humidity data or the self-preset optimal data through the indoor data prediction model, and adjusts the working time of the fresh air dehumidification type purification air-conditioning unit 4 accordingly, achieving efficient energy saving of the system while ensuring people's healthy breathing.

[0062] Reference Figure 2 The indoor data prediction model is built based on the CNN network and the improved BiLSTM network. The parameters are optimized based on the improved cuckoo algorithm. The CNN network includes three one-dimensional convolutional layers and one fully connected layer. A BN layer and an activation function are added after each one-dimensional convolutional layer to achieve data normalization and nonlinear operations, thereby accelerating the convergence speed of the model and solving the problem of gradient disappearance, and extracting the deep features that affect the indoor data; the extracted deep features are input into the improved BiLSTM network to better predict the feature information. A Dropout layer is added after each LSTM layer of the improved BiLSTM network to prevent overfitting. Some neurons can be deleted, but the neurons still have the opportunity to be selected, which can prevent overfitting while improving the model prediction speed.

[0063] Based on the CNN network, LSTM network, CNN-LSTM network and CNN-BiLSTM network of the method of the present invention, negative ion concentration, temperature and humidity are predicted. The specific results can be seen in Table 2.

[0064] Table 2 Evaluation results of different data types

[0065]

[0066]

[0067] It can be seen from the table that the detection ability of CNN network for time series data is poorer than that of LSTM network, CNN-LSTM network and CNN-BiLSTM network of the method of the present invention; the detection accuracy of the network of the present invention is the highest. On the basis of combining the advantages of CNN network and LSTM network, the detection accuracy and long-term detection performance of the network are further improved, which can meet the detection needs of air-conditioning units and has high accuracy and reliability.

[0068] S5: The fan box 3 discharges the indoor exhaust gas to the outside through the air outlet via the air outlet 5 arranged at the bottom of the room and the air outlet 2 arranged at the side of the room. The details are as follows:

[0069] The exhaust port 5 arranged at the bottom of the room can discharge the indoor exhaust gas to the outside through the exhaust duct 2 and the fan box 3, so as to realize the external circulation of indoor air, ensure the indoor fresh air, and also ensure the cleanliness of the system's air supply and the concentration of negative oxygen ions in the room.

[0070] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A healthy indoor environment control method, characterized in that: The method is implemented based on a health activity room environment control system, the system comprising: an orifice plate air supply port (1), an exhaust duct (2), a fan box (3), a fresh air dehumidification type purification air conditioning unit (4) and an exhaust port (5); The fresh air dehumidification type purification air conditioning unit (4) is arranged at the top of the room and is connected to the outside to generate fresh air; the orifice plate air supply port (1) is arranged below the fresh air dehumidification type purification air conditioning unit (4) to discharge the fresh air introduced by the fresh air dehumidification type purification air conditioning unit (4) at the top of the room, and the exhaust port (5) arranged at the bottom of the room discharges the indoor waste gas through the exhaust duct (2) and the low-noise fan box (3) to the outside of the window; The outdoor air inlet of the fresh air dehumidification type purification air conditioning unit (4) is provided with two metal coarse-effect filters to prevent large particles from entering and polluting the interior of the air conditioning unit; a negative oxygen antibacterial net is also provided behind the metal coarse-effect filter to purify, sterilize and disinfect the air entering the room and release negative oxygen ions into the room; the outer air outlet of the fan box (3) is provided with a stainless steel rainproof elbow, which is tilted downward by 15° to prevent rainwater from entering; a negative ion generating device is provided at the orifice plate air outlet (1) to release high-concentration negative oxygen ions into the room to improve air quality; The method comprises the following steps: S1: Start the fresh air dehumidification type purification air conditioning unit (4); S2: Collecting indoor negative ion concentration data and indoor temperature and humidity data as well as currently preset negative ion concentration data and indoor temperature and humidity data; S3: The outdoor air inlet of the fresh air dehumidification purification air conditioning unit (4) purifies and sterilizes the bottom flue gas through two metal coarse-effect filters and a negative oxygen antibacterial net, and releases negative oxygen ions into the room; S4: The fresh air dehumidification type purification air conditioning unit (4) adjusts the negative ion concentration and the temperature and humidity accordingly based on the preset data, and supplies air to the room through the orifice air outlet (1); In S4, an indoor data prediction model is constructed, and the working time of the fresh air dehumidification type purification air conditioning unit (4) is adjusted based on the preset data and the predicted indoor negative ion concentration or temperature and humidity; The indoor data prediction model includes three one-dimensional convolutional layers, a fully connected layer and an improved BiLSTM layer; a BN layer and an activation function are added after each one-dimensional convolutional layer to realize data normalization and nonlinear operation; a Dropout layer is added after each LSTM layer of the improved BiLSTM layer to prevent overfitting; The one-dimensional convolution layer and the improved BiLSTM layer are optimized based on the improved cuckoo algorithm, as follows: The global walk is expressed as: Among them, x i (t+1), x i (t) represents the i-th solution of the t+1th generation and the tth generation respectively; α0 represents the scaling factor; x b (t) represents the optimal solution of the tth generation; represents point-to-point multiplication; Levy(k,δ) represents the Levy distribution function; δ(1<δ<3) represents the power coefficient; k is the step size of the Levy distribution; k0 represents the initial step size of the Levy distribution; Γ represents the gamma function; in, and l are random numbers drawn from a normal distribution; The local random walk is expressed as: Among them, x i1 (t) is the individual historical optimal solution; x i2 (t) is the global historical optimal solution; x i3 (t) is the global historical suboptimal solution; r1, r1, and r3 are all learning factors; S5: The fan box (3) discharges the indoor waste gas out of the window through the air outlet (5) arranged at the bottom of the room and the air exhaust duct (2) at the side of the room.

2. A healthy indoor environment control method according to claim 1, characterized in that: The fresh air dehumidification type purification air conditioning unit (4) also monitors the indoor negative ion concentration or temperature and humidity in real time and makes corresponding adjustments.

3. A healthy indoor environment control method according to claim 1, characterized in that: In the method, if the negative ion concentration data and the indoor temperature and humidity data are not preset, the negative ion concentration and the temperature and humidity are adjusted accordingly according to the optimal negative ion concentration data, the optimal body temperature data and the optimal body humidity data.

4. A healthy indoor environment control method according to claim 3, characterized in that: The optimal negative ion concentration data is not less than 10 4 Pieces / cm 3 ; The optimal perceived temperature data is 20-26°C; the optimal perceived humidity data is 40%-70%.

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