CN110848909A - Control method of fresh air equipment, fresh air equipment and readable storage medium - Google Patents
Control method of fresh air equipment, fresh air equipment and readable storage medium Download PDFInfo
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- CN110848909A CN110848909A CN201911189060.1A CN201911189060A CN110848909A CN 110848909 A CN110848909 A CN 110848909A CN 201911189060 A CN201911189060 A CN 201911189060A CN 110848909 A CN110848909 A CN 110848909A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/0001—Control or safety arrangements for ventilation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
- F24F2110/65—Concentration of specific substances or contaminants
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2120/00—Control inputs relating to users or occupants
- F24F2120/10—Occupancy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The invention discloses a control method of fresh air equipment, the fresh air equipment and a readable storage medium, wherein the method comprises the following steps: determining the number of users and the pollutant concentration value of an area where the fresh air equipment is located; if the number of the users is smaller than or equal to the preset number, obtaining a first fresh air volume according to the preset per-capita fresh air demand, the number of the users and the pollutant concentration value; and controlling the fresh air equipment to operate according to the first fresh air volume so as to adjust the fresh air volume of the area where the fresh air equipment is located. The invention improves the accuracy of the fresh air quantity regulation of the fresh air equipment and ensures the air quality of the area where the fresh air equipment is located.
Description
Technical Field
The invention relates to the technical field of fresh air equipment, in particular to a control method of fresh air equipment, the fresh air equipment and a readable storage medium.
Background
The reasonable control of the indoor fresh air quantity can not only create a good indoor environment, but also save the energy consumption of the fresh air machine. The required fresh air volume of new fan place region can directly be confirmed through the per capita fresh air volume demand at present, but when the number of people of new fan place region was less, confirm the required fresh air volume of new fan place region with the per capita fresh air volume demand, it is less to confirm the gained fresh air volume, and the pollutant of new fan place region is sustained release, at this moment, can't effectively reduce the regional pollutant concentration of new trend equipment place region, can't guarantee the air quality of new fan place region. Therefore, the fresh air quantity adjusting accuracy of the existing fresh air fan or fresh air equipment with a fresh air quantity adjusting function is low.
Disclosure of Invention
The invention mainly aims to provide a control method of fresh air equipment, the fresh air equipment and a readable storage medium, and aims to solve the technical problem that the fresh air quantity regulation accuracy of the existing fresh air equipment is low.
In order to achieve the above object, the present invention provides a control method for a fresh air device, the control method for the fresh air device comprising the steps of:
determining the number of users and the pollutant concentration value of an area where the fresh air equipment is located;
if the number of the users is smaller than or equal to the preset number, obtaining a first fresh air volume according to the preset per-capita fresh air demand, the number of the users and the pollutant concentration value;
and controlling the fresh air equipment to operate according to the first fresh air volume so as to adjust the fresh air volume of the area where the fresh air equipment is located.
In an embodiment, if the number of the users is less than or equal to a preset number, the step of obtaining a first fresh air volume according to a preset per-person fresh air demand, the number of the users, and a pollutant concentration value includes:
if the number of the users is smaller than or equal to the preset number, determining the fresh air volume to be adjusted according to the preset per-capita fresh air demand and the number of the users;
determining a first fresh air increment according to the pollutant concentration value and a preset mapping relation;
and determining the sum of the first fresh air increment and the fresh air quantity to be adjusted to obtain a first fresh air quantity.
In an embodiment, after the step of determining the number of users and the pollutant concentration value of the area where the fresh air device is located, the method further includes:
if the number of the users is larger than the preset number, obtaining a second fresh air volume according to the preset per-capita fresh air demand and the number of the users;
and controlling the operation of the fresh air equipment according to the second fresh air quantity so as to adjust the fresh air quantity of the area where the fresh air equipment is located.
In an embodiment, after the step of controlling the operation of the fresh air device according to the second fresh air volume to adjust the fresh air volume of the area where the fresh air device is located, the method further includes:
determining whether the reduction amplitude of the pollutant concentration value is smaller than or equal to a preset amplitude after the fresh air equipment runs for a preset time;
if the reduction amplitude is smaller than or equal to a preset amplitude, determining a second fresh air increment according to the current pollutant concentration value and a preset mapping relation;
determining the sum of the second fresh air increment and the second fresh air quantity to obtain a third fresh air quantity;
and controlling the operation of the fresh air equipment according to the third fresh air quantity so as to adjust the fresh air quantity of the area where the fresh air equipment is located.
In an embodiment, after the step of controlling the operation of the fresh air device according to the first fresh air volume to adjust the fresh air volume of the area where the fresh air device is located, the method further includes:
determining whether the reduction amplitude of the pollutant concentration value is smaller than or equal to a preset amplitude after the fresh air equipment runs for a preset time;
and if the reduction amplitude is smaller than or equal to a preset amplitude, adjusting the first fresh air quantity, and controlling the operation of the fresh air equipment according to the adjusted fresh air quantity.
In an embodiment, the step of adjusting the first fresh air volume and controlling the operation of the fresh air device according to the adjusted fresh air volume if the reduction amplitude is smaller than or equal to a preset amplitude includes:
if the reduction amplitude is smaller than or equal to a preset amplitude, acquiring a correction coefficient corresponding to the current pollutant concentration value;
and adjusting the first new air volume according to the correction coefficient to obtain the adjusted first new air volume, and controlling the operation of the fresh air equipment according to the adjusted first new air volume.
In an embodiment, after the step of obtaining the correction coefficient corresponding to the current pollutant concentration value if the reduction amplitude is smaller than or equal to the preset amplitude, the method further includes:
adjusting the fresh air volume to be adjusted according to the preset per-capita fresh air demand and the user number according to the correction coefficient to obtain the adjusted fresh air volume;
and adjusting the first fresh air volume according to the adjusted fresh air volume to obtain the adjusted first fresh air volume, and controlling the fresh air equipment to operate according to the adjusted first fresh air volume.
In an embodiment, the step of controlling the operation of the fresh air equipment according to the first fresh air volume to adjust the fresh air volume of the area where the fresh air equipment is located includes:
determining the fresh air rotating speed of a fresh air motor of the fresh air equipment corresponding to the first fresh air quantity, and controlling the fresh air motor to operate at the fresh air rotating speed so as to adjust the fresh air quantity of the area where the fresh air equipment is located;
and/or determining the target opening of the gate valve of the new air door of the new air equipment corresponding to the first new air volume, and adjusting the opening of the gate valve of the new air door to the target opening of the gate valve so as to adjust the new air volume of the area where the new air equipment is located.
In one embodiment, the fresh air device is an air conditioner.
In addition, in order to achieve the above object, the present invention further provides a fresh air device, where the fresh air device includes a memory, a processor, and a control program of the fresh air device, the control program of the fresh air device being stored in the memory and being executable on the processor, and the control program of the fresh air device, when being executed by the processor, implements the steps of the control method of the fresh air device as described above.
In addition, in order to achieve the above object, the present invention further provides a computer readable storage medium, where a control program of a fresh air device is stored, and when the control program of the fresh air device is executed by a processor, the steps of the control method of the fresh air device are implemented.
The invention determines the fresh air quantity needed by the area of the fresh air equipment through the per-person fresh air demand, the user quantity and the pollutant concentration value of the area of the fresh air equipment when the number of users in the area of the fresh air equipment is determined to be less than the preset number, and controls the fresh air equipment to operate according to the determined fresh air quantity, thereby realizing that the air quality and the fresh air demand of the area of the fresh air equipment can be more effectively ensured by regulating and controlling the extra fresh air quantity on the basis of ensuring that the per-person fresh air demand is met when the number of users in the area of the fresh air equipment is less, avoiding the inaccuracy of the determined fresh air quantity caused by directly determining the fresh air quantity needed by the area of the fresh air equipment according to the per-person fresh air demand, failing to ensure the air quality of the area of the fresh air equipment, and improving the accuracy of the fresh air quantity regulation of the fresh air equipment, the air quality of the area where the fresh air equipment is located is guaranteed.
Wherein, it should be noted that, when the people are few, if the new wind volume is confirmed directly according to the equal new wind demand of people and user quantity of predetermineeing, it can't effectively guarantee that indoor pollutant concentration can obtain effectual alleviating to exist very probably, for example, national standard regulation equal new wind demand of people 30m3/h, when only one two people are indoor, the new wind volume of confirming according to equal new wind volume of people and number of people is less, and indoor pollutant is sustained release, under this kind of condition, can't more effective reduction indoor pollutant concentration level, it is difficult to improve indoor air quality, air quality tends to worsen. Therefore, when few people need to ensure that the air is suitable for a healthy air environment, the extra fresh air quantity is regulated and controlled on the basis that the normal fresh air demand is met through the pollutant concentration condition, and the indoor air quality and the fresh air demand can be effectively ensured. When the number of people is large, if the fresh air volume is determined according to the preset per-person fresh air demand, the number of users and the pollutant concentration value, the fresh air volume is excessive, and the energy consumption is increased. For example, when four or more people exist indoors, the fresh air volume determined according to the per-capita fresh air volume and the number of people is very large, the indoor pollutant concentration level is effectively reduced enough under the condition of meeting the demand of normal per-capita fresh air, and the indoor air is ensured to be healthy, so that when many people exist, extra fresh air volume does not need to be regulated and controlled through the pollutant concentration condition. Therefore, by introducing the identification of the number of users, the requirements for fresh air volume under different user numbers can be more accurately ensured, the indoor air quality is effectively improved, the air health is ensured, and energy conservation and environmental protection are realized.
Drawings
FIG. 1 is a schematic flow chart of a first embodiment of a control method of fresh air equipment according to the present invention;
FIG. 2 is a schematic flow chart of a control method of a fresh air device according to a second embodiment of the present invention;
FIG. 3 is a schematic flow chart of a control method of a fresh air device according to a third embodiment of the present invention;
fig. 4 is a schematic structural diagram of a hardware operating environment according to an embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention provides a control method of fresh air equipment, and referring to fig. 1, fig. 1 is a flow diagram of a first embodiment of the control method of the fresh air equipment.
The embodiment of the present invention provides an embodiment of a control method for a fresh air device, and it should be noted that, although a logical sequence is shown in the flowchart, in some cases, the steps shown or described may be performed in a sequence different from that here.
In the embodiment of the invention, the fresh air equipment can be air conditioner or fresh air machine and other equipment capable of adjusting fresh air volume. The fresh air quantity is the fresh air introduced into the room from the outside, is different from the indoor return air, is an important standard for measuring the indoor air quality, and directly influences the air circulation. The fresh air equipment provided by the embodiment of the invention is provided with a user detection module, an air quality detection module, a main control module and a fresh air unit. The user detection module is used for determining the number of users in the area where the fresh air equipment is located, namely determining the number of users in the room where the fresh air equipment is located, and the output end of the user detection module is connected with the first input end of the main control module. The user detection module is arranged in the top area of the fresh air equipment, so that the detection angle of the user detection module can cover the space of the area where the fresh air equipment is located, and all users in the area where the fresh air equipment is located can be detected. The user detection module can be an infrared thermopile module, a millimeter wave radar module, a WiFi detection module and the like, when the user detection module is the WiFi detection module, the WiFi detection module can emit a specific wavelength, when a person walks in the area where the fresh air equipment is located, the wavelength has specific fluctuation, and the fluctuation is related to the number of users in the area where the fresh air equipment is located; when the user in the area where the fresh air equipment is located does not move, the transmission time and the transmission distance of the wavelength change, and the transmission time and the transmission distance of the wavelength are related to the number of the users in the area where the fresh air equipment is located, so that the number of the users in the area where the fresh air equipment is located can be determined through the WiFi detection module.
The air quality detection module is arranged in the vicinity of the air outlet unit or the air return unit of the fresh air equipment so as to ensure the air flow circulation in the fresh air equipment. The air quality detection module is used for detecting the concentration value of each pollutant in the environment in the area where the fresh air equipment is located, and the output end of the air quality detection module is connected with the second input end of the main control module. The air quality detection module mainly comprises PM (Particulate Matter) 1.0, PM2.5, PM10, TVOC (Total Volatile organic compounds), CO2 (carbon dioxide), formaldehyde and NOX(oxynitride) and peculiar smell. The pollutants mainly comprise PM1.0, PM2.5, PM10, TVOC, CO2, formaldehyde and NOXAnd the odor and the like,the air quality detection module can determine the concentration value of each pollutant, and the pollution level corresponding to the pollutant can be determined according to the concentration value of the pollutant.
The main control module user determines operation and outputs control instructions according to execution, if the fresh air quantity is determined, the control instructions are output to control the operation of the fresh air equipment, and the like, and the output end of the main control module is connected with the input end of the fresh air unit. The fresh air unit is used for adjusting the rotating speed of a fresh air device fan according to the number of users and the concentration value of pollutants, and the input end of the fresh air unit is connected with the output end of the main control module.
The control method of the fresh air equipment comprises the following steps:
and step S10, determining the number of users and pollutant concentration values of the area where the fresh air equipment is located.
The fresh air equipment determines the number of users in the area where the fresh air equipment is located through a user detection module in real time or at regular time, and determines the concentration value of each pollutant in the area where the fresh air equipment is located through an air quality detection module in real time or at regular time. The duration corresponding to the timing may be set according to specific needs, and the duration corresponding to the timing is not specifically limited in this embodiment.
And step S20, if the number of the users is less than or equal to the preset number, obtaining a first fresh air volume according to the preset per-capita fresh air demand, the number of the users and the pollutant concentration value.
After the fresh air equipment determines the number of the users, the fresh air equipment judges whether the number of the users is smaller than or equal to the preset number. The preset number can be set according to specific needs, for example, the preset number can be set to 3, 4, or 6. When the fresh air equipment determines that the number of users is smaller than or equal to the preset number, the fresh air equipment acquires the preset per capita fresh air demand. As known from the GB/T18883-2002 standard, the per-hour fresh air demand of each person in an office is 30m3Perh (cubic meter per hour), the required fresh air per hour of each person in the guest room is 30m3The per-hour fresh air demand of each person in a hall or a four-season hall is 10m3H is used as the reference value. It can be appreciated that the user can also set the demand for the average fresh air for the user according to specific needs, such asCan set the demand of fresh air for people to 25m3H or 34m3H, etc. After the fresh air equipment acquires the average fresh air demand, the fresh air equipment acquires a first fresh air volume according to the average fresh air demand, the user quantity and the pollutant concentration value.
Further, the step S20 includes:
step a, if the number of the users is smaller than or equal to the preset number, determining the fresh air volume to be adjusted according to the preset per-capita fresh air demand and the number of the users.
Specifically, when the fresh air equipment determines that the number of users is smaller than or equal to the preset number, the main control module in the fresh air equipment determines the product between the per-capita fresh air demand and the number of users, and the fresh air volume to be adjusted is obtained. If confirm indoor user quantity when new trend equipment is 4 people, according to the equal new trend demand of people: 30m3The obtained fresh air volume to be adjusted is 4 multiplied by 30 to 120m3/h。
And b, determining a first fresh air increment according to the pollutant concentration value and a preset mapping relation.
The fresh air equipment determines a fresh air increment according to the pollutant concentration value and a preset mapping relation, and in order to distinguish different fresh air increments, the fresh air increment at the moment is recorded as a first fresh air increment. Wherein, the mapping relation is the mapping relation between the pollutant concentration value and the fresh air increment. The mapping relation can be the mapping relation between all pollutant concentration values and the fresh air increment, and the pollutant concentration value can be the concentration average value of each pollutant concentration value of the area where the fresh air equipment is located at the moment, and can also be the concentration average value obtained after the largest pollutant concentration value and the smallest pollutant concentration value are filtered; the contaminant concentration value may be a contaminant concentration value having a maximum concentration of all contaminants.
If the mapping relationship between the pollutant concentration value and the fresh air increment can be as follows: when the concentration value of the pollutant is less than 800ppm, the corresponding fresh air increment is 10m3H; when the concentration value of the pollutant is more than or equal to 800ppm and less than 1200ppm, the corresponding fresh air increment is 15m3H; when the pollutant concentration value is greater than or equal to 1200ppm and less than 1800ppmCorresponding fresh air increment of 20m3H; when the concentration value of the pollutant is more than or equal to 1800ppm, the corresponding fresh air increment is 25m3H is used as the reference value. It can be understood that the mapping relationship may also be a mapping relationship between each pollutant concentration value and a corresponding fresh air increment, and how many kinds of pollutants exist at this time, the fresh air device may determine the fresh air increments corresponding to each pollutant concentration value according to the mapping relationship, and then use an average value of the fresh air increments corresponding to each pollutant concentration value as the first fresh air increment, or use a maximum value of the fresh air increments corresponding to each pollutant concentration value as the first fresh air increment. It should be noted that, in this embodiment, the manner of determining the first fresh air increment is not limited, and the specific corresponding relationship between the pollutant concentration value and the fresh air increment in the mapping relationship is not limited.
And c, determining the sum of the first fresh air increment and the fresh air quantity to be adjusted to obtain a first fresh air quantity.
After the new air equipment determines the first new air increment, the new air equipment determines the sum of the first new air increment and the new air volume to be adjusted, and the sum of the first new air increment and the new air volume to be adjusted is determined as the first new air volume. If the first fresh air increment is Δ Q1, the fresh air volume to be adjusted is Q1, and the first fresh air volume is Q2, then Q2 is Q1+ Δ Q1.
And step S30, controlling the operation of the fresh air equipment according to the first fresh air volume so as to adjust the fresh air volume of the area where the fresh air equipment is located.
When the fresh air equipment obtains the first fresh air volume, the fresh air equipment adjusts the operation parameters according to the first fresh air volume to obtain adjusted operation parameters, and the fresh air equipment operates according to the adjusted operation parameters to adjust the fresh air volume of the area where the fresh air equipment is located. It can be understood that, after the fresh air volume of the area where the fresh air device is located is adjusted by the fresh air device, the fresh air volume output by the fresh air device is the first fresh air volume. The operation parameters include, but are not limited to, the rotation speed of a fresh air motor in the fresh air device and the opening degree of a gate valve of a fresh air door.
Further, step S30 includes:
and d, determining the fresh air rotating speed of the fresh air motor of the fresh air equipment corresponding to the first fresh air quantity, and controlling the fresh air motor to operate at the fresh air rotating speed so as to adjust the fresh air quantity of the area where the fresh air equipment is located.
Specifically, after the fresh air equipment obtains the first fresh air volume, the fresh air equipment determines the fresh air rotating speed of the fresh air motor corresponding to the first fresh air volume, and adjusts the current rotating speed of the fresh air motor to the determined fresh air rotating speed so as to control the fresh air motor to rotate at the determined fresh air rotating speed, thereby adjusting the fresh air volume of the area where the fresh air equipment is located. It can be understood that when the current rotating speed of the fresh air motor is less than the determined fresh air rotating speed, the fresh air volume of the area where the fresh air equipment is located can be increased; when the current rotating speed of the fresh air motor is larger than the determined fresh air rotating speed, the fresh air volume of the area where the fresh air equipment is located can be reduced. In the fresh air equipment, the mapping relation between the fresh air volume and the rotating speed of the fresh air motor is stored in advance, and the fresh air rotating speed of the fresh air motor can be determined according to the mapping relation and the first fresh air volume.
And/or step e, determining the target opening of the gate valve of the new air door of the new air equipment corresponding to the first new air volume, and adjusting the opening of the gate valve of the new air door to the target opening of the gate valve so as to adjust the new air volume of the area where the new air equipment is located.
After the fresh air equipment obtains the first fresh air volume, the fresh air equipment determines the gate valve target opening of the fresh air door corresponding to the first fresh air volume, and the current gate valve opening of the fresh air door is adjusted to the gate valve target opening so as to adjust the fresh air volume of the area where the fresh air equipment is located. Wherein, the new air door is an opening in the new trend equipment wind channel, and when this opening opened the back, the air of outside can enter into the wind channel, and then enters into in the new trend equipment. The opening of the gate valve of the new damper may be set to quarter open, half open, quarter open, full open, etc. It can be understood that when the opening of the front door valve of the fresh air door is smaller than the target opening of the door valve, after the current opening of the door valve of the fresh air door is adjusted to the target opening of the door valve, the fresh air volume of the area where the fresh air equipment is located can be increased; when the opening of the front door valve of the fresh air door is larger than the target opening of the door valve, the fresh air volume of the area where the fresh air equipment is located is reduced after the current opening of the door valve of the fresh air door is adjusted to the target opening of the door valve. In the fresh air equipment, a mapping relation between the fresh air volume and the opening degree of the door valve is preset, and the target opening degree of the door valve of the fresh air door can be determined according to the mapping relation and the first air volume.
It should be noted that after the fresh air device determines the first fresh air volume, the fresh air device may adjust the rotation speed of the fresh air motor according to the first fresh air volume alone, and at this time, the opening of the gate valve of the fresh air door is kept unchanged, or adjust the opening of the gate valve of the fresh air door according to the first fresh air volume alone, and at this time, the rotation speed of the fresh air motor is kept unchanged; or the rotating speed of the fresh air motor and the opening of the door valve of the fresh air door are simultaneously adjusted according to the first fresh air quantity.
The embodiment determines the fresh air quantity required by the area where the fresh air equipment is located through the per-person fresh air demand, the user quantity and the pollutant concentration value of the area where the fresh air equipment is located when the number of users in the area where the fresh air equipment is located is determined to be smaller than the preset number, and controls the operation of the fresh air equipment according to the determined fresh air quantity, so that when the number of users in the area where the fresh air equipment is located is less, on the basis of ensuring that the per-person fresh air demand is met, the extra fresh air quantity is regulated and controlled through the pollutant concentration condition, the air quality and the fresh air demand of the area where the fresh air equipment is located can be more effectively ensured, the inaccuracy of the determined fresh air quantity caused by directly determining the fresh air quantity required by the area where the fresh air equipment is located according to the per-person fresh air demand is avoided, the air quality of the area where the fresh air equipment is located, the air quality of the area where the fresh air equipment is located is guaranteed.
Further, a second embodiment of the control method of the fresh air device of the present invention is provided.
The difference between the second embodiment of the control method of the fresh air device and the first embodiment of the control method of the fresh air device is that, referring to fig. 2, the control method of the fresh air device further includes:
and step S40, if the number of users is larger than the preset number, obtaining a second fresh air volume according to the preset per-capita fresh air demand and the number of users.
And S50, controlling the operation of the fresh air equipment according to the second fresh air quantity so as to adjust the fresh air quantity of the area where the fresh air equipment is located.
When the new trend equipment confirms that the user quantity is greater than predetermined quantity, the new trend equipment acquires predetermined people's average new trend demand, multiplies people's average new trend demand and user quantity, obtains the second new trend, and the second new trend is the product of people's average new trend demand and user quantity promptly. And after the fresh air equipment obtains the second fresh air volume, the fresh air equipment adjusts the operation parameters according to the second fresh air volume to obtain adjusted operation parameters, and the fresh air equipment operates according to the adjusted operation parameters to adjust the fresh air volume of the area where the fresh air equipment is located. It should be noted that the operation parameter is adjusted by the fresh air device according to the second fresh air volume, the operation process according to the adjusted operation parameter is identical to the operation process according to the first fresh air volume, and the operation process according to the adjusted operation parameter is not repeated in this embodiment.
Further, after the fresh air device obtains the second fresh air volume, the fresh air device may also determine a fresh air increment according to the pollutant concentration value, and adjust the operation parameter according to the sum of the second fresh air volume and the fresh air increment to obtain an adjusted operation parameter.
In this embodiment, the number of users in the area where the new air device is located is determined to be greater than the preset number, that is, when the number of users in the area where the new air device is located is large, the amount of new air required by the area where the new air device is located is determined directly through the number of users and the average human fresh air demand, and compared with the method that the amount of new air is obtained according to the preset average human fresh air demand, the number of users and the concentration value of pollutants, the amount of new air is possibly excessive, and the energy consumption of the new air. For example, when four people and more than four people exist indoors, the fresh air volume determined according to the per-capita fresh air demand and the number of users is very large, the pollutant concentration level of the area where the fresh air equipment is located is effectively reduced enough under the condition of meeting the normal per-capita fresh air demand, and the indoor air is healthy, so that when many people exist, extra fresh air volume does not need to be regulated and controlled through the pollutant concentration condition. Therefore, by introducing the identification of the number of users, the requirements for fresh air volume under different user numbers can be more accurately ensured, the indoor air quality is effectively improved, the air health is ensured, and energy conservation and environmental protection are realized. Under special user space (size and layout) and indoor environment (decoration and household appliances), under the condition of multiple indoor people, the condition that the fresh air quantity is obtained according to the preset per-person fresh air demand, the user quantity and the pollutant concentration value can be considered, and fresh air regulation and control are realized and air health is ensured. Therefore, the required fresh air volume of the area where the fresh air equipment is located is determined through the number of users, the accuracy rate of adjusting the fresh air volume by the fresh air equipment is improved, and the air quality of the area where the fresh air equipment is located is guaranteed.
Further, the control method of the fresh air device further comprises the following steps:
and f, determining whether the reduction amplitude of the pollutant concentration value is smaller than or equal to a preset amplitude after the fresh air equipment runs for a preset time.
Further, after the fresh air equipment operates according to the adjusted operating parameters and adjusts the fresh air volume of the area where the fresh air equipment is located, the fresh air equipment determines whether the reduction amplitude of the pollutant concentration value is smaller than or equal to the preset amplitude after the fresh air equipment operates for the preset time. If the preset time length is equal to the time length difference between the second time point and the first time point, and the first time point is the time point when the fresh air equipment starts to operate according to the adjusted operation parameters, the reduction range of the pollutant concentration value is equal to the value obtained by subtracting the pollutant second concentration value from the pollutant first concentration value, the pollutant first concentration value is the concentration value determined by the first time point air quality detection module, and the pollutant second concentration value is the concentration value determined by the second time point air quality detection module. The pollutant concentration value may be an average value of all pollutant concentration values, or may be a pollutant concentration value of a certain pollutant, and the determination method of the pollutant concentration value is not specifically limited in this embodiment. The preset duration may be set according to specific needs, and the preset duration is not specifically limited in this embodiment.
And g, if the reduction amplitude is smaller than or equal to a preset amplitude, determining a second fresh air increment according to the current pollutant concentration value and a preset mapping relation.
When the fresh air equipment determines that the reduction amplitude of the pollutant concentration value is smaller than or equal to a preset amplitude, the fresh air equipment determines a second fresh air increment according to the current pollutant concentration value and a preset mapping relation; when the fresh air equipment determines that the reduction amplitude of the pollutant concentration value is larger than the preset amplitude, the fresh air equipment determines that the current fresh air volume can ensure the air quality of the area where the fresh air equipment is located, and the operation is continued by the operation parameters adjusted by the second fresh air volume. It can be understood that, if the reduction range of the pollutant concentration value is greater than the preset range, it indicates that after the fresh air volume of the area where the fresh air equipment is located is adjusted, the pollutant concentration value of the area where the fresh air equipment is located is reduced to a greater extent, the air quality of the area where the fresh air equipment is located is improved, and the adjustment of the fresh air volume of the fresh air equipment is effective; if the reduction amplitude of the concentration value of the pollutant is smaller than or equal to the preset amplitude, the reduction amplitude of the concentration of the pollutant in the area of the new air equipment is very small or even not reduced after the new air volume of the area of the new air equipment is adjusted, and the adjustment effect of the new air volume of the new air equipment is not large or invalid. The process principle of determining the second fresh air increment and the process principle of determining the first fresh air increment are consistent, and repeated description is omitted in this embodiment. It should be noted that, when the pollutant concentration value is a value corresponding to each pollutant concentration, the fresh air device may determine that the reduction range of the pollutant concentration value of one pollutant is smaller than or equal to a preset range, that is, determine the second fresh air increment according to the current pollutant concentration value of the pollutant and a preset mapping relationship, and at this time, when the fresh air device determines that the reduction ranges of the pollutant concentration values of all pollutants are larger than the preset range, it indicates that the adjustment of the fresh air volume of the fresh air device is effective. The fresh air equipment can also continue to operate with the operation parameters adjusted by the second fresh air volume when the reduction amplitude of the pollutant concentration value of one pollutant is determined to be larger than the preset amplitude.
And h, determining the sum of the second fresh air increment and the second fresh air quantity to obtain a third fresh air quantity.
And i, controlling the operation of the fresh air equipment according to the third fresh air quantity so as to adjust the fresh air quantity of the area where the fresh air equipment is located.
After the new air equipment obtains the second new air increment, the new air equipment determines the sum of the second new air increment and the second new air volume to obtain a third new air volume, adjusts the operation parameters according to the third new air increment to obtain adjusted operation parameters, and operates according to the adjusted operation parameters to adjust the new air volume of the area where the new air equipment is located.
In the embodiment, after the fresh air equipment adjusts the fresh air volume of the area where the fresh air equipment is located according to the obtained fresh air volume, if the reduction amplitude of the pollutant concentration value after the preset time is determined to be smaller than or equal to the preset amplitude, the fresh air equipment determines the fresh air increment according to the current pollutant concentration value, re-determines the fresh air volume according to the determined fresh air increment, and operates according to the re-determined fresh air volume, so that after the fresh air equipment adjusts the output fresh air volume, the pollutant concentration value of the area where the fresh air equipment is located can be effectively reduced, the air quality of the area where the fresh air equipment is located is ensured, and the accuracy of the fresh air equipment in adjusting the fresh air volume is further.
Further, a third embodiment of the control method of the fresh air device of the present invention is provided.
The difference between the third embodiment of the control method of the fresh air device and the first or second embodiment of the control method of the fresh air device is that, referring to fig. 3, the control method of the fresh air device further includes:
step S60, determining whether the reduction amplitude of the pollutant concentration value is less than or equal to a preset amplitude after the fresh air device operates for a preset time.
And step S70, if the reduction amplitude is smaller than or equal to a preset amplitude, adjusting the first fresh air volume, and controlling the operation of the fresh air equipment according to the adjusted fresh air volume.
When the fresh air equipment operates according to the adjusted operating parameters and the fresh air volume of the area where the fresh air equipment is located is adjusted, the fresh air equipment determines whether the reduction amplitude of the pollutant concentration value is smaller than or equal to the preset amplitude after the fresh air equipment operates for the preset time. If the reduction amplitude of the pollutant concentration value is determined to be smaller than or equal to the preset amplitude, the fresh air equipment adjusts the first fresh air volume to obtain the adjusted first fresh air volume, adjusts the operation parameters according to the adjusted first fresh air volume, and operates according to the adjusted operation parameters to enable the reduction amplitude of the pollutant concentration value to be larger than the preset amplitude; if the reduction amplitude of the pollutant concentration value is larger than the preset amplitude, the fresh air equipment continues to operate according to the current operation parameters. Specifically, the fresh air device can adjust the first fresh air volume when determining that the reduction amplitude of the pollutant concentration value of one pollutant is smaller than or equal to the preset amplitude; or when the reduction amplitude of the concentration values of at least two pollutants is determined to be smaller than or equal to the preset amplitude, the first fresh air volume is adjusted; or when the average reduction amplitude of the concentration values of all pollutants is smaller than or equal to the preset amplitude, adjusting the first fresh air volume and the like. The embodiment does not limit the specific determination manner that the reduction amplitude of the pollutant concentration value is smaller than or equal to the preset amplitude. For example, the fresh air equipment can also continue to operate with the operation parameters adjusted by the first fresh air volume when the reduction amplitude of the pollutant concentration value of one pollutant is determined to be larger than the preset amplitude.
It should be noted that, the process of determining whether the reduction amplitude of the pollutant concentration value is smaller than or equal to the preset amplitude in this embodiment is the same as the process of determining whether the reduction amplitude of the pollutant concentration value is smaller than or equal to the preset amplitude in the above embodiment, and details are not repeated here.
Further, step S70 includes:
and j, if the reduction amplitude is smaller than or equal to a preset amplitude, acquiring a correction coefficient corresponding to the current pollutant concentration value.
And k, adjusting the first fresh air volume according to the correction coefficient to obtain the adjusted first fresh air volume, and controlling the operation of the fresh air equipment according to the adjusted first fresh air volume.
Specifically, if the fresh air device determines that the reduction amplitude of the pollutant concentration value is smaller than or equal to the preset amplitude, the fresh air device obtains a correction coefficient corresponding to the current pollutant concentration value, determines the product between the correction coefficient and the first fresh air volume to obtain an adjusted first fresh air volume, and operates according to the adjusted first fresh air volume to adjust the first fresh air volume according to the correction coefficient, so that the reduction amplitude of the pollutant concentration value can be larger than the preset amplitude. In order to ensure that the reduction range of the pollutant concentration value by the correction coefficient is successfully larger than the preset range, the correction coefficient should be larger than 1 in the embodiment. In the fresh air equipment, a mapping relation between the correction coefficient and the pollutant concentration value is preset, and for example, the mapping relation between the correction coefficient and the pollutant concentration value can be as follows: when the concentration value of the pollutant is less than 800ppm, the corresponding correction coefficient is 1.05; when the concentration value of the pollutant is greater than or equal to 800ppm and less than 1200ppm, the corresponding correction coefficient is 1.1; when the concentration value of the pollutant is greater than or equal to 1200ppm and less than 1800ppm, the corresponding correction coefficient is 1.15; when the pollutant concentration value is greater than or equal to 1800ppm, the corresponding correction coefficient is 1.2.
Further, step S70 further includes:
and step l, if the reduction amplitude is smaller than or equal to a preset amplitude, acquiring a correction coefficient corresponding to the current pollutant concentration value.
And m, adjusting the fresh air volume to be adjusted according to the preset per-capita fresh air demand and the user quantity according to the correction coefficient to obtain the adjusted fresh air volume.
And n, adjusting the first fresh air volume according to the adjusted fresh air volume to obtain the adjusted first fresh air volume, and controlling the operation of the fresh air equipment according to the adjusted first fresh air volume.
Further, if the fresh air equipment determines that the reduction amplitude of the pollutant concentration value is smaller than or equal to the preset amplitude, the fresh air equipment acquires a correction coefficient corresponding to the current pollutant concentration value, acquires a fresh air volume to be adjusted corresponding to the product of the per-capita fresh air demand and the number of users, multiplies the correction coefficient by the fresh air volume to be adjusted to obtain an adjusted fresh air volume, adds the adjusted fresh air volume and a first fresh air increment to obtain an adjusted first fresh air volume, adjusts the operation parameter according to the adjusted first fresh air volume, and operates according to the adjusted operation parameter to adjust the first fresh air volume so that the reduction amplitude of the pollutant concentration value can be larger than the preset amplitude.
It can be understood that, after step S50, if the decreasing amplitude of the pollutant concentration value is still less than or equal to the preset amplitude after the new air device operates for the preset duration, the new air device may determine the correction coefficient according to the current pollutant concentration value, adjust the second fresh air volume according to the correction coefficient to obtain the adjusted second fresh air volume, adjust the operating parameter according to the adjusted second fresh air volume, and operate according to the adjusted operating parameter.
In the embodiment, after the operation of the fresh air equipment is determined to be within the preset time, the reduction range of the pollutant concentration value is still smaller than or equal to the preset range, the first new air volume is adjusted according to the correction coefficient to obtain the adjusted first new air volume, and the operation of the fresh air equipment is controlled according to the adjusted first new air volume, so that the pollutant concentration value of the area where the fresh air equipment is located can be effectively reduced after the fresh air equipment adjusts the output new air volume, the air quality of the area where the fresh air equipment is located is ensured, and the accuracy of the fresh air volume adjustment of the fresh air equipment is further improved.
In addition, the invention also provides fresh air equipment. As shown in fig. 4, fig. 4 is a schematic structural diagram of a hardware operating environment according to an embodiment of the present invention.
It should be noted that fig. 4 is a schematic structural diagram of a hardware operating environment of the fresh air device.
As shown in fig. 4, the fresh air device may include: a processor 1001, such as a CPU, a memory 1005, a user interface 1003, a network interface 1004, a communication bus 1002. Wherein a communication bus 1002 is used to enable connective communication between these components. The user interface 1003 may comprise a Display screen (Display), an input unit, and the optional user interface 1003 may further comprise a standard wired interface, a wireless interface. The network interface 1004 may optionally include a standard wired interface, a wireless interface (e.g., WI-FI interface). The memory 1005 may be a high-speed RAM memory or a non-volatile memory (e.g., a magnetic disk memory). The memory 1005 may alternatively be a storage device separate from the processor 1001.
Optionally, the fresh air device may further include an RF (Radio Frequency) circuit, a sensor, a WiFi module, and the like.
Those skilled in the art will appreciate that the fresh air device configuration shown in fig. 4 does not constitute a limitation of the fresh air device, and may include more or fewer components than those shown, or some components in combination, or a different arrangement of components.
As shown in fig. 4, a memory 1005, which is a kind of computer storage medium, may include an operating system, a network communication module, a user interface module, and a control program of the fresh air appliance therein. The operating system is a program for managing and controlling hardware and software resources of the fresh air equipment, and supports the operation of a control program and other software or programs of the fresh air equipment.
In the fresh air device shown in fig. 4, the user interface 1003 is mainly used for connecting a mobile terminal and performing data communication with the mobile terminal; the network interface 1004 is mainly used for the background server and performs data communication with the background server; the processor 1001 may be configured to call a control program of the fresh air device stored in the memory 1005, and execute the steps of the control method of the fresh air device as described above.
The specific implementation mode of the fresh air equipment is basically the same as that of each embodiment of the control method of the fresh air equipment, and is not described herein again.
In addition, an embodiment of the present invention further provides a computer-readable storage medium, where a control program of a fresh air device is stored on the computer-readable storage medium, and when the control program of the fresh air device is executed by a processor, the steps of the control method of the fresh air device are implemented as described above.
The specific implementation manner of the computer-readable storage medium of the present invention is substantially the same as that of each embodiment of the control method of the fresh air device, and is not described herein again.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) and includes instructions for causing a new trend device to execute the methods according to the embodiments of the present invention.
Claims (11)
1. A control method of fresh air equipment is characterized by comprising the following steps:
determining the number of users and the pollutant concentration value of an area where the fresh air equipment is located;
if the number of the users is smaller than or equal to the preset number, obtaining a first fresh air volume according to the preset per-capita fresh air demand, the number of the users and the pollutant concentration value;
and controlling the fresh air equipment to operate according to the first fresh air volume so as to adjust the fresh air volume of the area where the fresh air equipment is located.
2. The method for controlling fresh air equipment according to claim 1, wherein if the number of users is less than or equal to a preset number, the step of obtaining a first fresh air volume according to a preset per-person fresh air demand, the number of users and a pollutant concentration value comprises:
if the number of the users is smaller than or equal to the preset number, determining the fresh air volume to be adjusted according to the preset per-capita fresh air demand and the number of the users;
determining a first fresh air increment according to the pollutant concentration value and a preset mapping relation;
and determining the sum of the first fresh air increment and the fresh air quantity to be adjusted to obtain a first fresh air quantity.
3. The method for controlling a fresh air device according to claim 1, wherein after the step of determining the number of users and the pollutant concentration value of the area where the fresh air device is located, the method further comprises:
if the number of the users is larger than the preset number, obtaining a second fresh air volume according to the preset per-capita fresh air demand and the number of the users;
and controlling the operation of the fresh air equipment according to the second fresh air quantity so as to adjust the fresh air quantity of the area where the fresh air equipment is located.
4. The method for controlling the fresh air device according to claim 3, wherein after the step of controlling the operation of the fresh air device according to the second fresh air volume to adjust the fresh air volume of the area where the fresh air device is located, the method further comprises:
determining whether the reduction amplitude of the pollutant concentration value is smaller than or equal to a preset amplitude after the fresh air equipment runs for a preset time;
if the reduction amplitude is smaller than or equal to a preset amplitude, determining a second fresh air increment according to the current pollutant concentration value and a preset mapping relation;
determining the sum of the second fresh air increment and the second fresh air quantity to obtain a third fresh air quantity;
and controlling the operation of the fresh air equipment according to the third fresh air quantity so as to adjust the fresh air quantity of the area where the fresh air equipment is located.
5. The method for controlling the fresh air equipment according to claim 1, wherein after the step of controlling the operation of the fresh air equipment according to the first fresh air volume to adjust the fresh air volume of the area where the fresh air equipment is located, the method further comprises:
determining whether the reduction amplitude of the pollutant concentration value is smaller than or equal to a preset amplitude after the fresh air equipment runs for a preset time;
and if the reduction amplitude is smaller than or equal to a preset amplitude, adjusting the first fresh air quantity, and controlling the operation of the fresh air equipment according to the adjusted fresh air quantity.
6. The method for controlling the fresh air device according to claim 5, wherein the step of adjusting the first fresh air volume and controlling the operation of the fresh air device according to the adjusted fresh air volume if the reduction amplitude is smaller than or equal to a preset amplitude comprises:
if the reduction amplitude is smaller than or equal to a preset amplitude, acquiring a correction coefficient corresponding to the current pollutant concentration value;
and adjusting the first new air volume according to the correction coefficient to obtain the adjusted first new air volume, and controlling the operation of the fresh air equipment according to the adjusted first new air volume.
7. The method for controlling a fresh air device according to claim 6, wherein after the step of obtaining the correction coefficient corresponding to the current pollutant concentration value if the reduction amplitude is smaller than or equal to the preset amplitude, the method further comprises:
adjusting the fresh air volume to be adjusted according to the preset per-capita fresh air demand and the user number according to the correction coefficient to obtain the adjusted fresh air volume;
and adjusting the first fresh air volume according to the adjusted fresh air volume to obtain the adjusted first fresh air volume, and controlling the fresh air equipment to operate according to the adjusted first fresh air volume.
8. The method for controlling the fresh air equipment according to any one of claims 1 to 7, wherein the step of controlling the operation of the fresh air equipment according to the first fresh air volume to adjust the fresh air volume of the area where the fresh air equipment is located comprises:
determining the fresh air rotating speed of a fresh air motor of the fresh air equipment corresponding to the first fresh air quantity, and controlling the fresh air motor to operate at the fresh air rotating speed so as to adjust the fresh air quantity of the area where the fresh air equipment is located;
and/or determining the target opening of the gate valve of the new air door of the new air equipment corresponding to the first new air volume, and adjusting the opening of the gate valve of the new air door to the target opening of the gate valve so as to adjust the new air volume of the area where the new air equipment is located.
9. The method for controlling the fresh air device according to any one of claims 1 to 7, wherein the fresh air device is an air conditioner.
10. A fresh air device, characterized in that the fresh air device comprises a memory, a processor and a control program of the fresh air device stored on the memory and running on the processor, wherein the control program of the fresh air device, when executed by the processor, implements the steps of the control method of the fresh air device according to any one of claims 1 to 8.
11. A computer-readable storage medium, characterized in that a control program of a fresh air device is stored on the computer-readable storage medium, and the control program of the fresh air device, when executed by a processor, implements the steps of the control method of the fresh air device according to any one of claims 1 to 8.
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| CN111536593B (en) * | 2020-05-13 | 2021-10-26 | 广东美的制冷设备有限公司 | Air conditioner, fresh air duct anti-freezing method thereof and storage medium |
| CN112128929A (en) * | 2020-08-25 | 2020-12-25 | 青岛海尔空调器有限总公司 | Control method of fresh air conditioner |
| CN112665142A (en) * | 2020-12-11 | 2021-04-16 | 珠海格力电器股份有限公司 | Traffic building air conditioning control method, device and equipment |
| CN114791142A (en) * | 2021-01-25 | 2022-07-26 | 浙江盾安人工环境股份有限公司 | Control method and device of fresh air system, electronic device and computer equipment |
| CN114791142B (en) * | 2021-01-25 | 2023-12-05 | 浙江盾安人工环境股份有限公司 | Control method and device of fresh air system, electronic device and computer equipment |
| CN114838471A (en) * | 2022-03-11 | 2022-08-02 | 青岛海尔空调器有限总公司 | Fresh air system and control method, device, equipment and storage medium thereof |
| CN114838482A (en) * | 2022-05-07 | 2022-08-02 | Tcl空调器(中山)有限公司 | Fresh air control method and device for air conditioner, electronic equipment and storage medium |
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